CN220307787U - Automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries - Google Patents
Automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries Download PDFInfo
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- CN220307787U CN220307787U CN202321229301.2U CN202321229301U CN220307787U CN 220307787 U CN220307787 U CN 220307787U CN 202321229301 U CN202321229301 U CN 202321229301U CN 220307787 U CN220307787 U CN 220307787U
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- 238000003973 irrigation Methods 0.000 title claims abstract description 48
- 230000002262 irrigation Effects 0.000 title claims abstract description 48
- 239000003337 fertilizer Substances 0.000 title claims abstract description 33
- 238000002347 injection Methods 0.000 title claims description 7
- 239000007924 injection Substances 0.000 title claims description 7
- 230000004720 fertilization Effects 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000003814 drug Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000035558 fertility Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003621 irrigation water Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Fertilizing (AREA)
Abstract
The utility model relates to the field of automatic control, in particular to an automatic fertilization device of a buried telescopic spray irrigation combined electromagnetic valve, which comprises: the intelligent fertilizer applicator is used for automatically spraying and fertilizing according to the instruction of a user; the electromagnetic valve group is communicated with the liquid medicine tank, the back flush disc filter, the back flush suspension filter and the centrifugal filter through the water outlet and the water inlet, and comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, and a main pipeline, a branch pipeline and a drainage pipeline are arranged among the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve so as to form a communicated passage to output or close fertilizing liquid medicine; the telescopic spray head is used for sprinkling irrigation and fertilization; the variable frequency cabinet is connected with the intelligent fertilizer distributor and is used for providing electric power for automatic and accurate control of sprinkling irrigation and fertilization.
Description
Technical field:
the utility model relates to an automatic fertilizing device of an underground telescopic sprinkling irrigation combined electromagnetic valve.
The background technology is as follows:
agriculture is industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants; agriculture belongs to a first industry, and the science of researching agriculture is agronomy; agriculture is an important industry in national economy; five industrial forms including planting industry, forestry industry, animal husbandry, fishery and auxiliary industry; narrow agriculture refers to the plantation industry. Including production activities for producing crops such as food crops, commercial crops, forage crops and green manure.
In the agricultural production process, fertilization is an important production link, and specifically, fertilization refers to agricultural technical measures of applying fertilizers to soil or spraying the fertilizers on plants, providing nutrients required by the plants, and maintaining and improving soil fertility; the main purpose of fertilization is to increase crop yield, improve crop quality, fertilize soil fertility and increase economic benefit, so reasonable and scientific fertilization is one of the main means for guaranteeing grain safety and maintaining sustainable development of agriculture; the main basis of fertilization is soil fertility level, crop type, target yield, climate environment and fertilizer characteristics, so that proper fertilizer is selected, the required fertilizer dosage is estimated, and fertilization time and fertilization mode are determined.
Some existing specific fertilizing devices adopt electromagnetic valves to control the spraying output of liquid medicine, and the spraying output is controlled by transmitting electromagnetic driving signals to the electromagnetic valves; due to the influence of complex application sites, a single independently arranged electromagnetic valve cannot meet the actual application requirements and cannot automatically and accurately control sprinkling irrigation and fertilization; meanwhile, a plurality of pipelines are required to be installed and distributed to realize the communication of each electromagnetic valve for sprinkling irrigation and fertilization, the whole structure is complex, and the installation cost is high.
The utility model comprises the following steps:
the embodiment of the utility model provides an automatic fertilizing device of an underground telescopic sprinkling irrigation combined electromagnetic valve, which has reasonable structural design, is matched with a plurality of types of electric elements based on the integrated control function of a controller, adopts a combined electromagnetic valve group to combine with a plurality of types of pipelines to carry out communication driving on sprinkling irrigation and fertilization, simplifies the whole pipeline connection structure, reduces the installation cost of the device, further can carry out accurate control on sprinkling irrigation and fertilization according to the actual requirements of users, has simple and convenient operation, can realize refined control, is easy to popularize, is suitable for a plurality of different complex application scenes, and solves the problems in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
an automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries, automatic fertilizer injection unit includes:
the intelligent fertilizer applicator is used for automatically spraying and fertilizing according to the instruction of a user, and is connected with a liquid medicine tank, a back flush disc filter, a back flush suspension filter and a centrifugal filter through pipelines so as to form a communicated passage to realize automatic and accurate control of spraying and fertilizing;
the electromagnetic valve group is communicated with the liquid medicine tank, the back flush disc filter, the back flush suspension filter and the centrifugal filter through the water outlet and the water inlet, and comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, and a main pipeline, a branch pipeline and a drainage pipeline are arranged among the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve so as to form a communicated passage to output or close fertilizing liquid medicine;
the telescopic spray head is used for sprinkling irrigation and fertilization and is connected with the electromagnetic valve group through a main pipeline, a branch pipeline and a drainage pipeline;
the variable frequency cabinet is connected with the intelligent fertilizer distributor and is used for providing electric power for automatic and accurate control of sprinkling irrigation and fertilization.
A liquid level sensor is arranged in the liquid medicine tank and is used for detecting the real-time liquid level height parameter of the liquid medicine.
The intelligent fertilizer distributor is provided with a controller, the controller is connected with a liquid level sensor through an AD converter, the controller is connected with a filter and an electromagnetic valve group through a driver, and the controller is connected with a telescopic spray head through a trigger; the controller is also connected with a command input device which is used for inputting a control command to the controller so as to realize automatic and accurate control of sprinkling irrigation and fertilization.
The model of the controller is STM32F103C8T6, 64 pins are arranged on the controller, the controller is connected with the instruction input device through a fourth pin, the controller is connected with the AD converter through a fifteen pin, the controller is connected with the trigger through a thirty-third pin and a thirty-fourth pin, and the controller is connected with the driver through a thirty-eighth pin.
The model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is a control instruction input pin, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller.
The model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with fifteen pins of the controller through six pins, and the AD converter is connected with the liquid level sensor through three pins.
The model of the driver is ULN2003, 16 pins are arranged on the driver, the driver is connected with thirty-eighth pins of the controller through a first pin, a first relay is connected to sixteen pins of the driver, a fourth resistor and a first diode which are connected in parallel are arranged on the first relay, and an equipment interface is arranged on the first relay and is used for connecting an electromagnetic valve group and a filter.
The model of the trigger is FDS9945, 8 pins are arranged on the trigger, a second resistor is arranged between a first pin and a second pin of the trigger, the second pin of the trigger is connected with a thirty-fourth pin of the controller, a first resistor is arranged between a third pin and a fourth pin of the trigger, and the trigger is connected with the telescopic spray head through a sixth pin and a seventh pin.
By adopting the structure, the intelligent fertilizer distributor automatically sprays fertilizer according to the instruction of a user, so that automatic and accurate control of spray fertilizer is realized; the fertilizing liquid medicine is output or closed through the electromagnetic valve group and the communicated pipeline; the sprinkling irrigation and fertilization are carried out through the telescopic sprinkler, sprinkling irrigation is carried out in a mode of extending out of the ground, and stopping is carried out in a mode of retracting back into the ground, so that the sprinkling irrigation is convenient to control; the intelligent fertilizer distributor is connected with the intelligent fertilizer distributor through the frequency conversion cabinet and used for providing electric power for automatic and accurate control of sprinkling irrigation and fertilization, and has the advantages of being accurate, practical, simple, convenient and efficient.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural diagram of the solenoid valve set of the present utility model.
Fig. 3 is a schematic structural view of the telescopic shower head of the present utility model.
Fig. 4 is a schematic diagram of a structure in which the telescopic nozzle and the electromagnetic valve group of the present utility model are connected.
Fig. 5 is a control schematic of the present utility model.
Fig. 6 is an electrical schematic of the controller of the present utility model.
Fig. 7 is an electrical schematic of the command input of the present utility model.
Fig. 8 is an electrical schematic diagram of the AD converter of the present utility model.
Fig. 9 is an electrical schematic of the trigger of the present utility model.
Fig. 10 is an electrical schematic of the actuator of the present utility model.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1 to 10, an automatic fertilization device of a buried telescopic sprinkler combined solenoid valve, the automatic fertilization device comprising:
the intelligent fertilizer applicator is used for automatically spraying and fertilizing according to the instruction of a user, and is connected with a liquid medicine tank, a back flush disc filter, a back flush suspension filter and a centrifugal filter through pipelines so as to form a communicated passage to realize automatic and accurate control of spraying and fertilizing;
the electromagnetic valve group is communicated with the liquid medicine tank, the back flush disc filter, the back flush suspension filter and the centrifugal filter through the water outlet and the water inlet, and comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, and a main pipeline, a branch pipeline and a drainage pipeline are arranged among the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve so as to form a communicated passage to output or close fertilizing liquid medicine;
the telescopic spray head is used for sprinkling irrigation and fertilization and is connected with the electromagnetic valve group through a main pipeline, a branch pipeline and a drainage pipeline;
the variable frequency cabinet is connected with the intelligent fertilizer distributor and is used for providing electric power for automatic and accurate control of sprinkling irrigation and fertilization.
A liquid level sensor is arranged in the liquid medicine tank and is used for detecting the real-time liquid level height parameter of the liquid medicine.
The intelligent fertilizer distributor is provided with a controller, the controller is connected with a liquid level sensor through an AD converter, the controller is connected with a filter and an electromagnetic valve group through a driver, and the controller is connected with a telescopic spray head through a trigger; the controller is also connected with a command input device which is used for inputting a control command to the controller so as to realize automatic and accurate control of sprinkling irrigation and fertilization.
The model of the controller is STM32F103C8T6, 64 pins are arranged on the controller, the controller is connected with the instruction input device through a fourth pin, the controller is connected with the AD converter through a fifteen pin, the controller is connected with the trigger through a thirty-third pin and a thirty-fourth pin, and the controller is connected with the driver through a thirty-eighth pin.
The model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is a control instruction input pin, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller.
The model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with fifteen pins of the controller through six pins, and the AD converter is connected with the liquid level sensor through three pins.
The model of the driver is ULN2003, 16 pins are arranged on the driver, the driver is connected with thirty-eighth pins of the controller through a first pin, a first relay is connected to sixteen pins of the driver, a fourth resistor and a first diode which are connected in parallel are arranged on the first relay, and an equipment interface is arranged on the first relay and is used for connecting an electromagnetic valve group and a filter.
The model of the trigger is FDS9945, 8 pins are arranged on the trigger, a second resistor is arranged between a first pin and a second pin of the trigger, the second pin of the trigger is connected with a thirty-fourth pin of the controller, a first resistor is arranged between a third pin and a fourth pin of the trigger, and the trigger is connected with the telescopic spray head through a sixth pin and a seventh pin.
The working principle of the automatic fertilization device of the buried telescopic spray irrigation combined electromagnetic valve in the embodiment of the utility model is as follows: based on the integrated control effect of controller, cooperation multiple type electrical component adopts combination formula solenoid valve group to combine multiple type pipeline to communicate the drive to spray irrigation fertilization, simplifies whole pipeline connection structure, reduces device installation cost, and then can carry out the accurate control of spray irrigation fertilization according to user's actual demand, easy and simple to handle, can realize meticulous control, easily promotes popularization, is applicable to multiple different complicated application scenario.
The sprinkling irrigation fertilization is a common fertilization mode in agriculture, fertilizer is dissolved in irrigation water, and the sprinkling irrigation is mechanically applied through sprinkling irrigation, so that the sprinkling irrigation fertilization is in a solution state, permeates into root areas simultaneously with irrigation water, is easy to be absorbed and utilized by root systems, belongs to an efficient fertilization mode, and has higher requirements on a fertilization device.
And a bury flexible sprinkling irrigation combination formula solenoid valve automatic fertilizer injection unit in this application can high-efficient accurate completion sprinkling irrigation fertilization.
In the whole scheme, the intelligent fertilizer distributor mainly comprises an intelligent fertilizer distributor, is used for carrying out automatic sprinkling irrigation and fertilization according to a user instruction, and is connected with a liquid medicine tank, a back flush disc filter, a back flush suspension filter and a centrifugal filter through pipelines so as to form a communicated passage to realize automatic and accurate control of sprinkling irrigation and fertilization; the electromagnetic valve group is communicated with the liquid medicine tank, the back flush disc filter, the back flush suspension filter and the centrifugal filter through the water outlet and the water inlet, and comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, and a main pipeline, a branch pipeline and a drainage pipeline are arranged among the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve so as to form a communicated passage to output or close fertilizing liquid medicine; the telescopic spray head is used for sprinkling irrigation and fertilization and is connected with the electromagnetic valve bank through the main pipeline, the branch pipeline and the drainage pipeline; the variable frequency cabinet is connected with the intelligent fertilizer distributor and is used for providing electric power for automatic and accurate control of sprinkling irrigation and fertilization.
The controller is a core component, the model of the controller is STM32F103C8T6, 64 pins are arranged on the controller, the controller is connected with the instruction input device through a fourth pin, the controller is connected with the AD converter through a fifteen pin, the controller is connected with the trigger through a thirty-third pin and a thirty-fourth pin, and the controller is connected with the driver through a thirty-eighth pin, so that an integral hardware circuit is formed, and automatic and precise control on sprinkling irrigation and fertilization is realized by means of the integral hardware circuit.
Preferably, the type of the instruction inputter is TLP290, four pins are arranged on the instruction inputter, the pin one of the instruction inputter is a control instruction input pin, a ninth resistor, a tenth resistor and a fourth resistor are connected in parallel between the pin one and the pin two of the instruction inputter, a fifth resistor and an eighth resistor are connected in parallel between the pin three and the pin four of the instruction inputter, the pin three of the instruction inputter is connected with the pin four of the controller, a control instruction can be transmitted to the controller, a foundation is provided for automatic control of sprinkling irrigation and fertilization, and the controller is ensured to strictly execute corresponding operations to finish accurate control.
Preferably, the model of AD converter is AD8551, is equipped with 8 pins on AD converter, AD converter passes through No. six pins and links to each other with the fifteen pins of controller, AD converter passes through No. three pins and links to each other with level sensor, can acquire the real-time liquid level height parameter in the liquid medicine jar, avoids appearing the phenomenon of liquid medicine inadequately in the liquid medicine jar.
Preferably, the model of driver is ULN2003, is equipped with 16 pins on the driver, the driver is connected with thirty-eighth pin of controller through a pin, is connected with first relay on sixteen pins of driver, is equipped with parallelly connected fourth resistance and first diode on first relay, is equipped with the equipment interface on first relay, the equipment interface is used for connecting solenoid valve group and filter, adopts the mode of unified control to transmit the electromagnetic drive instruction, guarantees that solenoid valve group and filter can both move in place, reduces the drive deviation.
Preferably, the model of the trigger is FDS9945, 8 pins are arranged on the trigger, a second resistor is arranged between the first pin and the second pin of the trigger, the second pin of the trigger is connected with thirty-fourth pin of the controller, a first resistor is arranged between the third pin and the fourth pin of the trigger, and the trigger is connected with the telescopic spray head through the sixth pin and the seventh pin; the telescopic spray head is independently triggered and controlled by the trigger, adopts a trigger control mode of 0/1 to represent two working modes of retracting to the ground or extending out of the ground, has quick response and accurate action, and does not have the phenomenon of ascending or descending to be blocked in the middle.
When sprinkling irrigation and fertilization are carried out, the first electromagnetic valve and the second electromagnetic valve are opened, the third electromagnetic valve is closed, the liquid medicine stretches out of the ground along with the telescopic spray head after the liquid medicine enters the branch pipeline corresponding to the first electromagnetic valve along with the main water flushing pipeline, water and water pressure in the branch pipeline corresponding to the second electromagnetic valve are opened by the second electromagnetic valve, and the liquid medicine is discharged by the drainage pipeline.
After the sprinkling irrigation fertilization is finished, the third electromagnetic valve is opened, the first electromagnetic valve and the second electromagnetic valve are closed, water enters the branch pipeline corresponding to the second electromagnetic valve from the branch pipeline corresponding to the first electromagnetic valve, and after the water pressure reaches a certain requirement, the telescopic spray head is retracted to the position below the ground, so that sprinkling irrigation fertilization is finished.
The whole operation process is completed by the controller, manual intervention is not needed, and the whole sprinkling irrigation fertilization process is accurate and efficient.
In summary, the automatic fertilizing device of the buried telescopic sprinkling irrigation combined electromagnetic valve in the embodiment of the utility model is based on the integrated control function of the controller, is matched with multiple types of electrical elements, adopts the combined electromagnetic valve group to combine with multiple types of pipelines to carry out communication driving on sprinkling irrigation and fertilization, simplifies the whole pipeline connection structure, reduces the installation cost of the device, further can carry out accurate control on sprinkling irrigation and fertilization according to the actual requirements of users, has simple and convenient operation, can realize refined control, is easy to popularize, and is suitable for various different complex application scenes.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. The utility model provides an automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries, its characterized in that, automatic fertilizer injection unit includes:
the intelligent fertilizer applicator is used for automatically spraying and fertilizing according to the instruction of a user, and is connected with a liquid medicine tank, a back flush disc filter, a back flush suspension filter and a centrifugal filter through pipelines so as to form a communicated passage to realize automatic and accurate control of spraying and fertilizing;
the electromagnetic valve group is communicated with the liquid medicine tank, the back flush disc filter, the back flush suspension filter and the centrifugal filter through the water outlet and the water inlet, and comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, and a main pipeline, a branch pipeline and a drainage pipeline are arranged among the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve so as to form a communicated passage to output or close fertilizing liquid medicine;
the telescopic spray head is used for sprinkling irrigation and fertilization and is connected with the electromagnetic valve group through a main pipeline, a branch pipeline and a drainage pipeline;
the variable frequency cabinet is connected with the intelligent fertilizer distributor and used for providing electric power for automatic and accurate control of sprinkling irrigation and fertilizer application;
a liquid level sensor is arranged in the liquid medicine tank and is used for detecting the real-time liquid level height parameter of the liquid medicine; the intelligent fertilizer distributor is provided with a controller, the controller is connected with a liquid level sensor through an AD converter, the controller is connected with a filter and an electromagnetic valve group through a driver, and the controller is connected with a telescopic spray head through a trigger; the controller is also connected with a command input device which is used for inputting a control command to the controller so as to realize automatic and accurate control of sprinkling irrigation and fertilization.
2. The automatic fertilization device of the buried telescopic sprinkler combined electromagnetic valve according to claim 1 is characterized in that: the model of the controller is STM32F103C8T6, 64 pins are arranged on the controller, the controller is connected with the instruction input device through a fourth pin, the controller is connected with the AD converter through a fifteen pin, the controller is connected with the trigger through a thirty-third pin and a thirty-fourth pin, and the controller is connected with the driver through a thirty-eighth pin.
3. The automatic fertilization device of the buried telescopic sprinkler combined electromagnetic valve according to claim 2, wherein: the model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is a control instruction input pin, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller.
4. The automatic fertilization device of the buried telescopic sprinkler combined electromagnetic valve according to claim 2, wherein: the model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with fifteen pins of the controller through six pins, and the AD converter is connected with the liquid level sensor through three pins.
5. The automatic fertilization device of the buried telescopic sprinkler combined electromagnetic valve according to claim 2, wherein: the model of the driver is ULN2003, 16 pins are arranged on the driver, the driver is connected with thirty-eighth pins of the controller through a first pin, a first relay is connected to sixteen pins of the driver, a fourth resistor and a first diode which are connected in parallel are arranged on the first relay, and an equipment interface is arranged on the first relay and is used for connecting an electromagnetic valve group and a filter.
6. The automatic fertilization device of the buried telescopic sprinkler combined electromagnetic valve according to claim 2, wherein: the model of the trigger is FDS9945, 8 pins are arranged on the trigger, a second resistor is arranged between a first pin and a second pin of the trigger, the second pin of the trigger is connected with a thirty-fourth pin of the controller, a first resistor is arranged between a third pin and a fourth pin of the trigger, and the trigger is connected with the telescopic spray head through a sixth pin and a seventh pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321229301.2U CN220307787U (en) | 2023-05-18 | 2023-05-18 | Automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321229301.2U CN220307787U (en) | 2023-05-18 | 2023-05-18 | Automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries |
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| Publication Number | Publication Date |
|---|---|
| CN220307787U true CN220307787U (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321229301.2U Active CN220307787U (en) | 2023-05-18 | 2023-05-18 | Automatic fertilizer injection unit of flexible sprinkling irrigation combination formula solenoid valve buries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220307787U (en) |
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2023
- 2023-05-18 CN CN202321229301.2U patent/CN220307787U/en active Active
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