CN111194681B - Anti-frost-heaving high-elasticity underground irrigator - Google Patents
Anti-frost-heaving high-elasticity underground irrigator Download PDFInfo
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- CN111194681B CN111194681B CN202010123261.8A CN202010123261A CN111194681B CN 111194681 B CN111194681 B CN 111194681B CN 202010123261 A CN202010123261 A CN 202010123261A CN 111194681 B CN111194681 B CN 111194681B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Pipeline Systems (AREA)
Abstract
The invention provides an anti-frost-heaving high-elasticity underground irrigator, which comprises: an emitter body; an anti-frost heaving structure disposed in the emitter body. The anti-frost heaving structure is added into the emitter body, so that damage and even breakage of the pipeline caused by expansion due to freezing of rain and snow in winter in cold and arid regions can be avoided. Is widely applicable to alpine regions. Compared with the existing infiltrating irrigation device, the infiltrating irrigation device solves the problem that the pipeline of the irrigation device is expanded, deformed and even damaged due to freezing in winter, greatly prolongs the service life, and reduces the replacement frequency, thereby saving the manpower input.
Description
Technical Field
The invention relates to the technical field of irrigation emitters, in particular to an anti-frost-heaving high-elasticity underground irrigation emitter.
Background
Emitter means for watering plants or crops. The irrigation device is used for uniformly and accurately directly conveying water to plants, soil surfaces or soil layers of crop roots by utilizing a pressure system according to the water demand requirements of crops, so that the soil of the crop roots is always kept in the optimal water, fertilizer and gas states. However, in alpine regions or cold environments, the tubes of the emitter are very susceptible to expansion, deformation and even damage, resulting in a significantly shortened emitter life.
Disclosure of Invention
The invention provides an anti-frost-heaving high-elasticity underground douche, which is used for solving the technical problem.
An anti-frost-heaving high-elasticity underground irrigator comprises: an emitter body;
an anti-frost heaving structure disposed in the emitter body.
Preferably, the anti-frost heaving structure comprises: the anti-freezing and elasticity-increasing auxiliary material arranged in the material of the emitter body comprises: plasticizers and friction reducers;
the plasticizer comprises: any one or more of coumarone resin and tricresyl phosphite serving as modification aids;
the friction reducing agent comprises: any one or more of silicone oil, molybdenum disulfide, titanium disulfide, graphite, and tetrafluoroethylene.
Preferably, the emitter body comprises: an anti-frost heaving cylinder, a water tank, a first water outlet pipe and a water outlet rod which are arranged in the anti-frost heaving cylinder,
the top of the water tank is provided with a cover body which is matched with the water tank, and the water tank is provided with a water inlet pipe;
the first water outlet pipe is arranged on the side surface of the water containing tank, and a water filling valve is arranged on the first water outlet pipe;
the water outlet rod is arranged at the bottom of the water accommodating tank;
the frost heaving resisting cylinder comprises a cylinder body, an opening is formed in the top end of the cylinder body, a base is fixedly arranged at the bottom end of the cylinder body, the base is used for the water outlet rod to penetrate through, a convex ring sheet is arranged at one end, close to the top end, in the cylinder body, and the convex ring sheet and the cylinder body form a first space;
the anti-frost heaving structure includes: an anti-frost heaving assembly disposed within the first space; the anti-frost heaving assembly comprises a heat insulation material, more than one conducting element is uniformly arranged on the inner surface of the heat insulation material, and the conducting element forms a second space along the circumferential direction of the anti-frost heaving cylinder.
Preferably, a sharp head is arranged at the bottom of the water outlet rod, a groove is arranged at one end, close to the water containing tank, in the water outlet rod, the groove is connected with the water containing tank, and a third hole is formed in the bottom of the groove; a threaded guide channel is arranged on the outer surface of the water outlet rod, the top end of the threaded guide channel is connected with the third hole, and the bottom end of the threaded guide channel is connected with a second water outlet pipe; the second water outlet pipe penetrates through the pointed end, and a protection net is arranged at the water outlet of the pointed end of the second water outlet pipe.
Preferably, the bottom of the second space is provided with a position fixing frame; the cylinder is internally provided with more than one retention groove seat, the surface of the retention groove seat close to the second space direction is provided with a first hole from top to bottom, and the cylinder is also provided with more than one retention piece corresponding to the retention groove seat, each retention piece comprises a first end and a second end, the position of the first end is higher than that of the second end, the first end can be inserted in the first hole, and the retention frame is arranged on the second end; the bottom of the cylinder body is provided with a through groove; the bottom of the cylinder body is also provided with a second hole; and a gasket is arranged at the joint of the cylinder body and the convex ring sheet.
Preferably, a water inlet valve is arranged on the water inlet pipe, the water inlet valve comprises a voltage detection unit, an intelligent control unit, a valve, more than one first switch and more than one power generation device, the more than one first switch respectively corresponds to the more than one power generation device, the more than one power generation device is connected with the voltage detection unit, and the more than one first switch forms a main switch;
the intelligent control unit comprises a control module, and an input module and an action module which are connected with the control module, wherein the input module is connected with the voltage detection unit, the action module is connected with the valve, and an amplification signal module is also arranged between the control module and the action module in sequence;
the water inlet valve also comprises a communication module which is electrically connected with the intelligent control unit; the communication module is at least one of a WiFi module, a Bluetooth module, a 2.4G module and a Zigbee module;
the water inlet valve also comprises a flow monitoring module and a second data display screen, wherein the flow monitoring module is used for monitoring the inflow flow information of the water inlet valve in real time and sending the inflow flow information to the second data display screen; and the second data display screen is connected with the flow monitoring module and is used for displaying the inflow.
Preferably, the water tank is provided with a liquid level measuring device, the liquid level measuring device comprises a shell, a measuring module and a data processing module, the measuring module and the data processing module are arranged in the shell and are electrically connected with each other, and the top of the shell is provided with a first data display screen;
the measuring module is used for detecting the liquid level information of the water in the water containing tank in real time and sending the liquid level information to the data processing module;
the data processing module is respectively electrically connected with the first data display screen and the alarm, and is used for receiving the liquid level information and comparing and analyzing the liquid level information with standard liquid level information prestored in the data processing module, wherein the standard liquid level information comprises highest liquid level information and lowest liquid level information, and the highest liquid level information is higher than the lowest liquid level information;
if the liquid level information is higher than the highest liquid level information, the data processing module sends a stop action instruction to the control module, and the control module controls the valve to be closed through the action module after receiving the stop action instruction;
if the liquid level information is lower than the lowest liquid level information, the data processing module sends an action instruction to the control module, and the control module controls the valve to be opened through the action module after receiving the action instruction; the data processing module sends an alarm instruction to the alarm, and the alarm sends alarm information to a user;
if the liquid level information is positioned between the highest liquid level information and the lowest liquid level information, the data processing module does not send any instruction to the control module;
the first data display screen is used for displaying the liquid level information of the water in the water tank.
Preferably, the emitter further comprises:
the coding module: the device comprises a data transmission chain, a data transmission unit and a data transmission unit, wherein the data transmission chain is used for encoding an instruction data transmission chain and generating a serial number of the instruction data transmission chain, and the instruction data transmission chain comprises a stop action instruction and an action instruction;
the confirmation module is used for confirming the serial number of an instruction data transmission chain which is prepared to be sent to the control module by the data processing module, and the instruction data transmission chain comprises a stop action instruction and an action instruction; the confirmation module confirms the serial number of the current instruction data transmission chain according to the data used for indicating branch selection of the current instruction data transmission chain and the serial number of the previous instruction data transmission chain of the current instruction data transmission chain; wherein the confirmation module comprises: the adding module is used for adding the sequence number of the previous instruction data transmission chain of the current instruction data transmission chain to a preset value, and when the selected branch for sending the current instruction data transmission chain is not changed in comparison with the branch of the previous instruction data transmission chain, the sequence number added with the preset value is taken as the sequence number of the current instruction data transmission chain; the processing module is used for taking the sequence number added with a preset value as the sequence number of the current instruction data transmission chain when the selected branch sending the current instruction data transmission chain is changed compared with the branch sending the previous instruction data transmission chain;
a transmission module for transmitting the command data transmission chain containing the sequence number;
the emitter further comprises a data detection module, the data detection module comprises a receiving end and a detection end, and the receiving end is used for receiving the instruction data transmission chain; the detection end is used for detecting data used for indicating branch selection of the instruction data transmission chain according to the received serial number of the instruction data transmission chain; the detection end detects data used for indicating branch circuit selection of the instruction data transmission chain according to the code distance between the received serial number of the instruction data transmission chain and the serial number of the instruction data transmission chain before transmission and the serial number of the instruction data transmission chain after processing before transmission.
Preferably, the emitter body is of tubular construction,
the subsurface emitter further comprises: the water outlet pipe of the water delivery device is communicated with the irrigator body;
the water temperature adjusting device is connected with the water delivery device and is used for adjusting the temperature of the water output by the water delivery device;
the flow velocity sensor is arranged in the water outlet pipe or the irrigator body;
a first temperature sensor arranged on the emitter body or in soil;
a second temperature sensor arranged in the emitter body or in the outlet pipe;
the wind speed sensor is arranged on the water outlet pipe or the douche body;
the controller is respectively and electrically connected with the power supply, the water delivery device, the flow velocity sensor, the first temperature sensor, the second temperature sensor, the wind speed sensor and the water temperature adjusting device;
the controller intelligently controls the water temperature adjusting device and the water delivery device to work according to the flow velocity value detected by the flow velocity sensor, the wind velocity value detected by the wind velocity sensor, the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor, and the method comprises the following steps:
step 1: calculating the heat loss of the emitter body per unit length according to the formula (1);
wherein, W1Is the amount of heat loss per unit length of emitter body, T1Is the first temperature value, T2For a temperature target value, ln () is a logarithmic formula, A is the outer diameter of the emitter body, B is the thermal conductivity of the emitter body, pi is a constant, pi is 3.14159, and epsilon is the inner diameter of the emitter body;
step 2: determining the heat production quantity of water in the emitter body per unit length by the formula (2);
W2＝ρ*T2*π*ε2formula (2)
Wherein, W2Is the heat production of water in the emitter body per unit length, rho is the density of water, pi is a constant, pi is 3.14159, T2The temperature target value is epsilon, and the inner diameter of the emitter body is epsilon;
and step 3: determining the relationship between the heat loss of the emitter body per unit length and the heat production of water in the emitter body per unit length according to the formula (3);
wherein e is a constant, e is 2.71828, D is an expansion coefficient of the emitter body, lambda is an elastic modulus of the emitter body, eta is the flow velocity value, and V is the wind velocity value.
And 4, step 4: the controller controls the water temperature adjusting device to work so that the second temperature value is within a preset range of the temperature target value.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a frost heaving resistant high-elasticity subsurface emitter according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a water outlet rod according to an embodiment of the present invention;
FIG. 3 is a front view of an anti-frost heaving cartridge in an embodiment of the present invention;
FIG. 4 is a schematic partial perspective view of an anti-frost heaving cylinder according to an embodiment of the present invention;
FIG. 5 is a longitudinal cross-sectional view of an anti-frost heaving cartridge in an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the inlet valve in the embodiment of the present invention.
In the figure: 1. a water inlet valve; 1-0, a first switch; 1-1, a power generation device; 1-2, a voltage detection unit; 1-3, an input module; 1-4, a control module; 1-5, a signal amplification module; 1-6, a communication module; 1-7, an action module; 1-8, a valve; 1-9, a second data display screen; 2. a first data display screen; 3. a cover body; 4. a liquid level measuring device; 5. a first water outlet pipe; 6. placing a water tank; 7. a water outlet rod; 8. a tip; 9. a water filling valve; 10. a threaded flow guide channel; 11. a seal ring; 12. a water inlet pipe; 13. a protection net; 14. a third aperture; 15. a groove; 16. a second water outlet pipe; 17. an anti-frost heaving cylinder; 171. penetrating a groove; 172. a base; 173. a conductive element; 174. a thermal insulation material; 175. an anti-frost heaving component; 176. a gasket; 177. a tab ring; 178. a second hole; 179. a retention groove seat; 1710. a first hole; 1711. a first space; 1712. a retention tab; 1713. a position fixing frame; 1714. a second end; 1717. a first end; 1718. a second space.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The embodiment of the invention provides an anti-frost heaving high-elasticity underground irrigator,
an emitter body;
an anti-frost heaving structure disposed in the emitter body.
Preferably, the emitter body may be provided as a tubular structure, the anti-frost heaving structure comprising: the anti-freezing and elasticity-increasing auxiliary material arranged in the material of the emitter body comprises: plasticizers and friction reducers; the plasticizer comprises: any one or more of plasticizers such as coumarone resin and tricresyl phosphite serving as modification aids; the friction reducing agent comprises: any one or more of silicon oil, molybdenum disulfide, titanium disulfide, graphite, tetrafluoroethylene and other anti-friction agents. The damage and even the breakage caused by the expansion of the pipeline due to the freezing of rain and snow in winter in the cold and dry areas can be avoided;
the working principle and the beneficial effects of the technical scheme are as follows: the anti-frost heaving structure is added into the douche body, so that damage and even breakage of pipelines caused by expansion due to rain and snow freezing in winter in cold and dry areas can be avoided. Is widely applicable to alpine regions.
Compared with the existing infiltrating irrigation device, the infiltrating irrigation device solves the problem that the pipeline of the irrigation device is expanded, deformed and even damaged due to freezing in winter, greatly prolongs the service life, and reduces the replacement frequency, thereby saving the manpower input.
In one embodiment, as shown in FIGS. 1-6, the emitter body comprises: the anti-frost heaving water heater comprises an anti-frost heaving cylinder 17, and a built-in water tank 6, a first water outlet pipe 5 and a water outlet rod 7 which are arranged in the anti-frost heaving cylinder 17, wherein the top of the built-in water tank 6 is provided with a cover body 3 which is matched with the built-in water tank 6, and the built-in water tank 6 is provided with a water inlet pipe 12;
the first water outlet pipe 5 is arranged on the side surface of the water tank 6, and the first water outlet pipe 5 is provided with a water filling valve 9;
the water outlet rod 7 is arranged at the bottom of the water tank 6;
the frost heaving resistant cylinder 17 comprises a cylinder body, an opening is formed in the top end of the cylinder body, a base 172 is fixedly arranged at the bottom end of the cylinder body, the water outlet rod 7 penetrates through the base 172, a convex ring sheet 177 is arranged at one end, close to the top end, in the cylinder body, the convex ring sheet 177 and the cylinder body form a first space 1711, and a frost heaving resistant assembly 175 is arranged in the first space 1711; the anti-frost heaving assembly 175 comprises an insulation material 174, more than one conductive element 173 is uniformly arranged on the inner surface of the insulation material 174, and the conductive elements 173 form a second space 1718 along the circumference of the anti-frost heaving cylinder 17.
The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 1-4, the anti-frost-heaving high-elasticity underground irrigator proposed by the technical scheme comprises a water inlet pipe 12, a water storage tank 6, a first water outlet pipe 5 and an anti-frost-heaving cylinder 17, wherein outside water enters the water storage tank 6 through the water inlet pipe 12, and water in the water storage tank 6 is conveyed to a required water part through the first water outlet pipe 5 and a water outlet rod 7 respectively; as shown in FIG. 1, the first water outlet pipe 5 is arranged on the side surface of the water containing tank 6, the water outlet rod 7 is arranged at the bottom of the water containing tank 6, and the combination of the first water outlet pipe and the water containing tank can enlarge the irrigation area of the emitter, so that the water can be delivered to all directions; the first water outlet pipe 5 is provided with a water filling valve 9, the water filling valve 9 controls the flow of water in the water tank 6 through the first water outlet pipe 5 by opening or closing, and the water filling amount of the water filling device can be controlled according to the real-time requirement of a user; the top of the water tank 6 is hermetically connected with the cover body 3 through a sealing ring 11 for storing water. The frost heaving resistant cylinder 17 is installed around the outer surface of the water tank 6, the water tank 6 and the first water outlet pipe 5 are always in an environment with a proper temperature through the heat insulating material 174 and the conducting element 173 in the frost heaving resistant cylinder 17, and the phenomenon that the emitter cannot be normally used or even damaged in a high and cold environment is avoided, so that the service life of the emitter is prolonged.
In one embodiment, the bottom of the water outlet rod 7 is provided with a pointed end 8, one end of the water outlet rod 7, which is close to the water containing tank 6, is provided with a groove 15, the groove 15 is connected with the water containing tank 6, and the bottom of the groove 15 is provided with a third hole 14; a thread guide channel 10 is arranged on the outer surface of the water outlet rod 7, the top end of the thread guide channel 10 is connected with a third hole 14, and the bottom end of the thread guide channel is connected with a second water outlet pipe 16; the second water outlet pipe 16 penetrates through the pointed head 8, and a protection net 13 is arranged at the water outlet of the pointed head 8 of the second water outlet pipe 16.
The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 2, water in the water tank 6 can flow to the second water outlet pipe 16 sequentially through the groove 15, the third hole 14 and the thread flow guide channel 10, then flows out of the emitter through the second water outlet pipe 16 until reaching a required water part, and the groove 15 and the thread flow guide channel 10 are arranged on the water outlet rod 7, so that the water in the water tank 6 can be prevented from flowing out of the emitter due to self gravity and high flow, and the water in the water tank 6 can be irrigated to the bottom direction of the water tank 6 in a more controllable manner.
In one embodiment, the bottom of the second space 1718 is provided with a retainer 1713; more than one retention groove seat 179 is arranged in the barrel, the surface of the retention groove seat 179 close to the direction of the second space 1718 is provided with a first hole 1710 from top to bottom, and more than one retention piece 1712 corresponding to the retention groove seat 179, the retention piece 1712 comprises a first end 1717 and a second end 1714, the first end 1717 is higher than the second end 1714, the first end 1717 can be inserted in the first hole 1710, and the retention frame 1713 is arranged on the second end 1714; the bottom of the cylinder body is provided with a through groove 01; the bottom of the cylinder body is also provided with a second hole 08; and a gasket 06 is arranged at the joint of the cylinder body and the convex ring sheet 177.
The working principle and the beneficial effects of the technical scheme are as follows: in the technical scheme, the water tank 6 is arranged in the anti-frost-heaving cylinder 17, the position in the water tank 6 can be fixed by the fixing frame 1713, the water tank 6 is relatively stable in the second space 1718 of the anti-frost-heaving cylinder 17, the water tank 6 is in contact with the conduction element 173, and all positions of the water tank 6 can be in an environment with appropriate temperature through the conduction element 173.
In one embodiment, the water inlet pipe 12 is provided with a water inlet valve 1 (wherein, preferably, the water inlet valve is arranged at one end of the water inlet pipe close to a water source, namely, at one end of the water inlet pipe above the ground), the water inlet valve 1 comprises a voltage detection unit 1-2, an intelligent control unit, valves 1-8, more than one first switch 1-0 and more than one power generation device 1-1, the more than one first switch 1-0 respectively corresponds to the more than one power generation device 1-1, the more than one power generation device 1-1 is connected with the voltage detection unit 1-2, and the more than one first switch 1-0 forms a main switch.
The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 6, the water inlet valve 1 comprises a main switch composed of first switches 1-0, power generation devices 1-1, a voltage detection unit 1-2, an intelligent control unit and valves 1-8, each first switch 1-0 is correspondingly provided with a power generation device 1-1, when a user opens the first switch 1-0, the power generation device 1-1 is started to generate voltage, and when the voltage detection unit 1-2 detects that voltage exists, the intelligent control unit controls the valves 1-8 to be opened or closed. The main switch comprises a plurality of first switches 1-0, different first switches 1-0 trigger different power generation devices 1-1 to be started, and then the voltage detection unit 1-2 detects different voltage signals, so that the intelligent control unit controls the valves 1-8 to be opened or closed by different amplitudes according to different voltage signals, and a user can increase or decrease the water flow of external water entering the water storage tank 6 according to actual conditions.
In one embodiment, the intelligent control unit comprises a control module 1-4, and an input module 1-3 and an action module 1-7 connected with the control module 1-4, wherein the input module 1-3 is connected with a voltage detection unit 1-2, the action module 1-7 is connected with a valve 1-8, and an amplification signal module 1-5 is further arranged between the control module 1-4 and the action module 1-7 in sequence.
The working principle and the beneficial effects of the technical scheme are as follows: the intelligent control unit comprises an input module 1-3, a control module 1-4 and an action module 1-7, wherein the input module 1-3 is used for receiving a voltage signal sent by the detection voltage unit 1-2, the control module 1-4 is used for sending an action instruction to the action module 1-7 according to the voltage signal, and the action module 1-7 drives the valve 1-8 to be opened or closed.
In one embodiment, the inlet valve 1 further comprises communication modules 1-6, the communication modules 1-6 being electrically connected to the intelligent control unit; the communication modules 1-6 are at least one of a WiFi module, a Bluetooth module, a 2.4G module and a Zigbee module;
the water inlet valve 1 further comprises a flow monitoring module and a second data display screen 1-9, wherein the flow monitoring module is used for monitoring the inflow flow information of the water inlet valve 1 in real time and sending the inflow flow information to the second data display screen 1-9; and the second data display screen 1-9 is connected with the flow monitoring module and is used for displaying the inflow water flow.
The working principle and the beneficial effects of the technical scheme are as follows: the flow monitoring module and the second data display screen 1-9 can enable a user to know the inlet water flow of the inlet valve 1 more directly and clearly.
In one embodiment, a liquid level measuring device 4 is also mounted in the water receiving tank 6, the liquid level measuring device 4 being capable of monitoring the level of water in the water receiving tank 6. The liquid level measuring device 4 comprises a shell, a measuring module and a data processing module which are arranged in the shell and are electrically connected with each other, and a first data display screen 2 is arranged at the top of the shell;
the measuring module is used for detecting the liquid level information of the water in the water tank 6 in real time and sending the liquid level information to the data processing module;
the data processing module is respectively electrically connected with the first data display screen 2 and the alarm, and is used for receiving liquid level information and comparing and analyzing the liquid level information with standard liquid level information prestored in the data processing module, wherein the standard liquid level information comprises highest liquid level information and lowest liquid level information, and the highest liquid level information is higher than the lowest liquid level information;
if the liquid level information is higher than the highest liquid level information, the data processing module sends a stopping action instruction to the control module 1-4, and after the control module 1-4 receives the stopping action instruction, the action module 1-7 controls the valve 1-8 to be closed;
if the liquid level information is lower than the lowest liquid level information, the data processing module sends an action instruction to the control module 1-4, and after the control module 1-4 receives the action instruction, the action module 1-7 controls the valve 1-8 to be opened; the data processing module sends an alarm instruction to the alarm, and the alarm sends alarm information to a user;
if the liquid level information is between the highest liquid level information and the lowest liquid level information, the data processing module does not send any instruction to the control module 1-4;
the first data display screen 2 is used for displaying the liquid level information of the water in the water tank 6.
The working principle and the beneficial effects of the technical scheme are as follows: in the technical scheme, the liquid level measuring device 4 can monitor the liquid level of water in the water tank 6 in real time, and when the liquid level is higher than the highest liquid level information, the action modules 1-7 control the water inlet valve 1 to be closed and do not continuously feed water into the water tank 6; when the liquid level is lower than the lowest liquid level information, the action module 1-7 controls the water inlet valve 1 to be opened, so that external water enters through the water inlet pipe 12; when the liquid level is in the highest liquid level information and the lowest liquid level information, the action modules 1 to 7 do not make any action on the water inlet valve 1, so that the liquid level of the water in the water tank 6 is kept in a preset state all the time. According to the technical scheme, the automatic control of the closing of the water inlet valve 1 according to the liquid level information is added on the basis of manually controlling the water inlet valve 1, so that the water level of water in the water tank 6 can be kept normal by the irrigator under various circumstances.
In one embodiment, the emitter further comprises:
the coding module: the system comprises a command data transmission chain, a data acquisition unit and a data processing unit, wherein the command data transmission chain is used for encoding the command data transmission chain and generating a serial number of the command data transmission chain, and the command data transmission chain comprises a stop action command and an action command;
the confirmation module is used for confirming the serial number of the instruction data transmission chain which is prepared to be sent to the control module 1-4 by the data processing module; the confirming module confirms the serial number of the current instruction data transmission chain according to the data used for indicating branch selection of the current instruction data transmission chain and the serial number of the previous instruction data transmission chain of the current instruction data transmission chain; wherein, the confirmation module includes: the adding module is used for adding the sequence number of the previous instruction data transmission chain of the current instruction data transmission chain with a preset value, and when the selected branch for sending the current instruction data transmission chain is not changed compared with the branch of the previous instruction data transmission chain, the sequence number added with the preset value is used as the sequence number of the current instruction data transmission chain; the processing module is used for taking the sequence number added with the preset value as the sequence number of the current instruction data transmission chain when the selected branch sending the current instruction data transmission chain is changed compared with the branch sending the previous instruction data transmission chain;
and the transmission module is used for transmitting the instruction data transmission chain containing the sequence number.
The working principle and the beneficial effects of the technical scheme are as follows: in the technical scheme, the serial number of the instruction data transmission chain is determined according to the data for indicating the branch selection, and the data related to the branch selection is further transmitted by using the serial number of the instruction data transmission chain, so that other transmission channels are not needed, the data for indicating the branch selection can be quickly transmitted, the probability of wrong judgment of the data for indicating the branch selection is reduced, and the efficiency of sending the instruction data transmission chain to the control modules 1 to 4 by the data processing module can be effectively improved.
In one embodiment, the emitter further comprises a data detection module comprising a receiving end for receiving the command data transmission chain and a detection end; the detection end is used for detecting data used for indicating branch selection of the instruction data transmission chain according to the received serial number of the instruction data transmission chain; the detection end detects data used for indicating branch selection of the instruction data transmission chain according to the code distance between the received serial number of the instruction data transmission chain and the serial number of the instruction data transmission chain before transmission and the serial number processed by the instruction data transmission chain before transmission.
The working principle and the beneficial effects of the technical scheme are as follows: in the technical scheme, the data used for branch selection is detected by the data detection module, so that the phenomenon that the data used for indicating the branch selection is wrong can be effectively avoided, and the efficiency of sending the instruction data transmission chain to the control modules 1-4 by the data processing module is improved.
In one embodiment, the emitter body is a tubular structure,
the subsurface emitter further comprises: the water outlet pipe of the water delivery device is communicated with the irrigator body;
the water temperature adjusting device is connected with the water delivery device and is used for adjusting the temperature of the water output by the water delivery device;
the flow velocity sensor is arranged in the water outlet pipe or the irrigator body;
a first temperature sensor arranged on the emitter body or in soil;
a second temperature sensor arranged in the emitter body or in the outlet pipe;
the wind speed sensor is arranged on the water outlet pipe or the douche body;
the controller is respectively and electrically connected with the power supply, the water delivery device, the flow velocity sensor, the first temperature sensor, the second temperature sensor, the wind speed sensor and the water temperature adjusting device;
the controller intelligently controls the water temperature adjusting device and the water delivery device to work according to the flow velocity value detected by the flow velocity sensor, the wind velocity value detected by the wind velocity sensor, the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor, and the method comprises the following steps:
step 1: calculating the heat loss of the emitter body per unit length according to the formula (1);
wherein, W1Is the amount of heat loss per unit length of emitter body, T1Is the first temperature value, T2For a temperature target value, ln () is a logarithmic formula, A is the outer diameter of the emitter body, B is the thermal conductivity of the emitter body, pi is a constant, pi is 3.14159, and epsilon is the inner diameter of the emitter body;
step 2: determining the heat production quantity of water in the emitter body per unit length by the formula (2);
W2＝ρ*T2*π*ε2formula (2)
Wherein, W2Is the heat production of water in the emitter body per unit length, rho is the density of water, pi is a constant, pi is 3.14159, T2The temperature target value is epsilon, and the inner diameter of the emitter body is epsilon;
and step 3: determining the relationship between the heat loss of the emitter body per unit length and the heat production of water in the emitter body per unit length according to the formula (3);
wherein e is a constant, e is 2.71828, D is an expansion coefficient of the emitter body, lambda is an elastic modulus of the emitter body, eta is the flow velocity value, and V is the wind velocity value.
And 4, step 4: the controller controls the water temperature adjusting device to work so that the second temperature value is within a preset range of the temperature target value.
The working principle and the beneficial effects of the technical scheme are as follows: the controller is realized by the algorithm: according to the flow velocity value detected by the flow velocity sensor, the wind velocity value detected by the wind velocity sensor, the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor, the water temperature adjusting device and the water delivery device are intelligently controlled to work, the real-time internal and external environment (wind velocity, first temperature value and flow velocity value) factors during water delivery and the self parameter factors of the emitter body are fully considered, the reasonable water delivery temperature is ensured, the frost heaving damage of the emitter body is avoided, the overhigh water delivery temperature is avoided, and the energy is saved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. An anti-frost-heaving high-elasticity underground irrigator is characterized by comprising:
an emitter body;
an anti-frost heaving structure disposed in the emitter body;
the emitter body includes: an anti-frost heaving cylinder (17), a water tank (6), a first water outlet pipe (5) and a water outlet rod (7) which are arranged in the anti-frost heaving cylinder (17),
a cover body (3) matched with the water containing tank (6) is arranged at the top of the water containing tank (6), and a water inlet pipe (12) is arranged on the water containing tank (6);
the first water outlet pipe (5) is arranged on the side surface of the water containing tank (6), and a water filling valve (9) is arranged on the first water outlet pipe (5);
the water outlet rod (7) is arranged at the bottom of the water containing tank (6);
the frost heaving resistant cylinder (17) comprises a cylinder body, an opening is formed in the top end of the cylinder body, a base (172) is fixedly arranged at the bottom end of the cylinder body, the base (172) is used for the water outlet rod (7) to penetrate through, a convex ring sheet (177) is arranged at one end, close to the top end, in the cylinder body, and the convex ring sheet (177) and the cylinder body form a first space (1711);
the anti-frost heaving structure includes: an anti-frost heaving assembly (175) disposed in the first space (1711); the frost heaving resisting assembly (175) comprises a thermal insulation material (174), more than one conducting element (173) is uniformly arranged on the inner surface of the thermal insulation material (174), and the conducting elements (173) form a second space (1718) along the circumferential direction of the frost heaving resisting cylinder (17).
2. The frost heaving resistant high elasticity subsurface emitter according to claim 1,
the anti-frost heaving structure includes: the anti-freezing and elasticity-increasing auxiliary material arranged in the material of the emitter body comprises: plasticizers and friction reducers;
the plasticizer comprises: any one or more of coumarone resin and tricresyl phosphite serving as modification aids;
the friction reducing agent comprises: any one or more of silicone oil, molybdenum disulfide, titanium disulfide, graphite, and tetrafluoroethylene.
3. The frost heaving resistant high elasticity subsurface emitter according to claim 1,
a pointed end (8) is arranged at the bottom of the water outlet rod (7), a groove (15) is arranged at one end, close to the water containing tank (6), in the water outlet rod (7), the groove (15) is connected with the water containing tank (6), and a third hole (14) is formed in the bottom of the groove (15); a threaded guide channel (10) is arranged on the outer surface of the water outlet rod (7), the top end of the threaded guide channel (10) is connected with the third hole (14), and the bottom end of the threaded guide channel (10) is connected with a second water outlet pipe (16); the second water outlet pipe (16) penetrates through the pointed end (8), and a protection net (13) is arranged at the water outlet of the pointed end (8) of the second water outlet pipe (16).
4. The frost heaving resistant high elasticity subsurface emitter according to claim 1,
a position fixing frame (1713) is arranged at the bottom of the second space (1718); the barrel is internally provided with more than one retention groove seat (179), the surface of the retention groove seat (179) close to the direction of the second space (1718) is provided with a first hole (1710) from top to bottom, more than one retention sheet (1712) corresponding to the retention groove seat (179) is further arranged, the retention sheet (1712) comprises a first end (1717) and a second end (1714), the position of the first end (1717) is higher than that of the second end (1714), the first end (1717) can be inserted into the first hole (1710), and the retention frame (1713) is arranged on the second end (1714); the bottom of the cylinder body is provided with a through groove (171); the bottom of the cylinder body is also provided with a second hole (178); and a gasket (176) is arranged at the joint of the cylinder body and the convex ring sheet (177).
5. The frost heaving resistant high elasticity subsurface emitter according to claim 1,
a water inlet valve (1) is arranged on the water inlet pipe (12), the water inlet valve (1) comprises a detection voltage unit (1-2), an intelligent control unit, a valve (1-8), more than one first switch (1-0) and more than one power generation device (1-1), the more than one first switch (1-0) respectively corresponds to the more than one power generation device (1-1), the more than one power generation device (1-1) is connected with the detection voltage unit (1-2), and the more than one first switch (1-0) forms a main switch;
the intelligent control unit comprises a control module (1-4), and an input module (1-3) and an action module (1-7) which are connected with the control module, wherein the input module (1-3) is connected with the voltage detection unit (1-2), the action module (1-7) is connected with the valve (1-8), and an amplification signal module (1-5) is further arranged between the control module (1-4) and the action module (1-7) in sequence;
the water inlet valve (1) further comprises a communication module (1-6), and the communication module (1-6) is electrically connected with the intelligent control unit; the communication modules (1-6) are at least one of a WiFi module, a Bluetooth module, a 2.4G module and a Zigbee module;
the water inlet valve (1) further comprises a flow monitoring module and a second data display screen (1-9), wherein the flow monitoring module is used for monitoring inflow information of the water inlet valve (1) in real time and sending the inflow information to the second data display screen (1-9); and the second data display screen (1-9) is connected with the flow monitoring module and is used for displaying the inflow water flow.
6. The frost heaving resistant high elasticity subsurface emitter according to claim 5,
the water tank (6) is provided with a liquid level measuring device (4), the liquid level measuring device (4) comprises a shell, a measuring module and a data processing module, the measuring module and the data processing module are arranged in the shell and are electrically connected with each other, and the top of the shell is provided with a first data display screen (2);
the measuring module is used for detecting the liquid level information of the water in the water tank (6) in real time and sending the liquid level information to the data processing module;
the data processing module is respectively electrically connected with the first data display screen (2) and the alarm, and is used for receiving the liquid level information and comparing and analyzing the liquid level information with standard liquid level information prestored in the data processing module, wherein the standard liquid level information comprises highest liquid level information and lowest liquid level information, and the highest liquid level information is higher than the lowest liquid level information;
if the liquid level information is higher than the highest liquid level information, the data processing module sends a stopping action instruction to the control module (1-4), and after the control module (1-4) receives the stopping action instruction, the action module (1-7) controls the valve (1-8) to be closed;
if the liquid level information is lower than the lowest liquid level information, the data processing module sends an action instruction to the control module (1-4), and after the control module (1-4) receives the action instruction, the action module (1-7) controls the valve (1-8) to be opened; the data processing module sends an alarm instruction to the alarm, and the alarm sends alarm information to a user;
if the liquid level information is positioned between the highest liquid level information and the lowest liquid level information, the data processing module does not send any instruction to the control module (1-4);
the first data display screen (2) is used for displaying the liquid level information of water in the water tank (6).
7. The frost heaving resistant high elasticity subsurface emitter according to claim 6,
the emitter further comprises:
the coding module: the device comprises a data transmission chain, a data transmission unit and a data transmission unit, wherein the data transmission chain is used for encoding an instruction data transmission chain and generating a serial number of the instruction data transmission chain, and the instruction data transmission chain comprises a stop action instruction and an action instruction;
a confirmation module for confirming a serial number of an instruction data transmission chain which is ready to be sent to the control module (1-4) by the data processing module, wherein the instruction data transmission chain comprises a stop action instruction and an action instruction; the confirmation module confirms the serial number of the current instruction data transmission chain according to the data used for indicating branch selection of the current instruction data transmission chain and the serial number of the previous instruction data transmission chain of the current instruction data transmission chain; wherein the confirmation module comprises: the adding module is used for adding the sequence number of the previous instruction data transmission chain of the current instruction data transmission chain to a preset value, and when the selected branch for sending the current instruction data transmission chain is not changed in comparison with the branch of the previous instruction data transmission chain, the sequence number added with the preset value is taken as the sequence number of the current instruction data transmission chain; the processing module is used for taking the sequence number added with a preset value as the sequence number of the current instruction data transmission chain when the selected branch sending the current instruction data transmission chain is changed compared with the branch sending the previous instruction data transmission chain;
a transmission module for transmitting the command data transmission chain containing the sequence number;
the emitter further comprises a data detection module, the data detection module comprises a receiving end and a detection end, and the receiving end is used for receiving the instruction data transmission chain; the detection end is used for detecting data used for indicating branch selection of the instruction data transmission chain according to the received serial number of the instruction data transmission chain; the detection end detects data used for indicating branch circuit selection of the instruction data transmission chain according to the code distance between the received serial number of the instruction data transmission chain and the serial number of the instruction data transmission chain before transmission and the serial number of the instruction data transmission chain after processing before transmission.
8. The frost heaving resistant high elasticity subsurface emitter according to claim 1, wherein the emitter body is of tubular structure,
the subsurface emitter further comprises: the water outlet pipe of the water delivery device is communicated with the irrigator body;
the water temperature adjusting device is connected with the water delivery device and is used for adjusting the temperature of the water output by the water delivery device;
the flow velocity sensor is arranged in the water outlet pipe or the irrigator body;
a first temperature sensor arranged on the emitter body or in soil;
a second temperature sensor arranged in the emitter body or in the outlet pipe;
the wind speed sensor is arranged on the water outlet pipe or the douche body;
the controller is respectively and electrically connected with the power supply, the water delivery device, the flow velocity sensor, the first temperature sensor, the second temperature sensor, the wind speed sensor and the water temperature adjusting device;
the controller intelligently controls the water temperature adjusting device and the water delivery device to work according to the flow velocity value detected by the flow velocity sensor, the wind velocity value detected by the wind velocity sensor, the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor, and the method comprises the following steps:
step 1: calculating the heat loss of the emitter body per unit length according to the formula (1);
wherein, W1Is the amount of heat loss per unit length of emitter body, T1Is the first temperature value, T2For a temperature target value, ln () is a logarithmic formula, A is the outer diameter of the emitter body, B is the thermal conductivity of the emitter body, and pi is constantThe number pi is 3.14159, and epsilon is the inner diameter of the emitter body;
step 2: determining the heat production quantity of water in the emitter body per unit length by the formula (2);
W2＝ρ*T2*π*ε2formula (2)
Wherein, W2Is the heat production of water in the emitter body per unit length, rho is the density of water, pi is a constant, pi is 3.14159, T2The temperature target value is epsilon, and the inner diameter of the emitter body is epsilon;
and step 3: determining the relationship between the heat loss of the emitter body per unit length and the heat production of water in the emitter body per unit length according to the formula (3);
wherein e is a constant, e is 2.71828, D is an expansion coefficient of the emitter body, lambda is an elastic modulus of the emitter body, eta is the flow velocity value, and V is the wind velocity value;
and 4, step 4: the controller controls the water temperature adjusting device to work so that the second temperature value is within a preset range of the temperature target value.
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| CN202010123261.8A CN111194681B (en) | 2020-02-27 | 2020-02-27 | Anti-frost-heaving high-elasticity underground irrigator |
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| CN1853016A (en) * | 2003-09-17 | 2006-10-25 | 安托特凯斯株式会社 | Surface structure for athletic fields |
| CN101509246A (en) * | 2009-03-06 | 2009-08-19 | 青海省水利水电科学研究所 | Anti-seepage antifreezing spray finishing method of polyurethane polymeric material for channel |
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