CN117307864B - Water distribution pipe assembly and crop water content data simulation system - Google Patents
Water distribution pipe assembly and crop water content data simulation system Download PDFInfo
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- CN117307864B CN117307864B CN202311230605.5A CN202311230605A CN117307864B CN 117307864 B CN117307864 B CN 117307864B CN 202311230605 A CN202311230605 A CN 202311230605A CN 117307864 B CN117307864 B CN 117307864B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 300
- 238000004088 simulation Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 13
- 230000002262 irrigation Effects 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02781—The regulating element being provided with radial outputs
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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
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow in pipes or hoses
- F16L55/115—Caps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of crop water content research equipment, in particular to a water distribution pipe assembly and a crop water content data simulation system. The pipe body of the water distribution pipe assembly comprises: a water inlet cavity extending along the length direction, wherein the water inlet cavity is configured to provide a flow path for an external water body to travel from a water inlet end to a tail end; the mixing cavity extends along the circumferential direction of the pipe body, one end of the mixing cavity in the circumferential direction is matched with the water outlet of the water inlet cavity, a turbulent flow structure is arranged in the mixing cavity, and the turbulent flow structure is configured to enable water in the mixing cavity to flow in the length direction between the water inlet end and the tail end; and the water outlet cavity extends along the length direction, a mixing cavity water outlet is formed at the other end of the water outlet cavity, corresponding to the mixing cavity, in the circumferential direction, and the mixing cavity water outlets are continuously distributed at the area between the corresponding water inlet end and the tail end. The crop water content data simulation system is realized based on the water distribution pipe assembly. The invention can better realize the uniformity of regional water distribution.
Description
Technical Field
The invention relates to the technical field of crop water content research equipment, in particular to a water distribution pipe assembly and a crop water content data simulation system.
Background
The water content is a key parameter showing the physiological and health of crops, and the color, texture characteristics, spectral information and the like of crop leaves can be changed under water stress. Thus, the overall water stress condition of a crop can be assessed by monitoring physiological characteristics. In recent years, with rapid development of a remote sensing platform of a microminiature unmanned aerial vehicle, carrying different sensors by using the unmanned aerial vehicle has been widely applied to crop growth condition monitoring. By acquiring multispectral images of the research area, the establishment and optimization of a crop growth model can be realized, and then the research on the water content required by the crop growth period is realized.
In the water content research of crops, a test field is required to be arranged, and related initial research data can be obtained by controlling the difference of single-factor water filling quantity. At present, low-pressure irrigation is adopted in farmland irrigation such as a Venturi fertilizer applicator, and one problem objectively existing in the irrigation mode is that: along with the extension of the pipeline, the water pressure and the flow rate at the tail end of the pipeline are greatly reduced; so that it is difficult to ensure the uniformity of irrigation quantity of each test field.
Disclosure of Invention
The present invention provides a water distribution pipe assembly which overcomes certain or certain drawbacks of the prior art.
The water distribution pipe assembly comprises a pipe body which is tubular and extends in the length direction; the pipe body is provided with a structure,
A water inlet cavity extending along the length direction, wherein one end of the water inlet cavity forms a water inlet end, the other end forms a tail end, and the water inlet cavity is configured to provide a flow path for an external water body to travel from the water inlet end to the tail end; the water inlet cavity is also provided with water inlet cavity water outlets which are continuously distributed between the water inlet end and the tail end;
The mixing cavity extends along the circumferential direction of the pipe body, one end of the mixing cavity in the circumferential direction is matched with the water outlet of the water inlet cavity, a turbulent flow structure is arranged in the mixing cavity, and the turbulent flow structure is configured to enable water in the mixing cavity to flow in the length direction between the water inlet end and the tail end;
And
The water outlet cavity extends along the length direction, a mixing cavity water outlet is formed at the other end of the water outlet cavity, corresponding to the mixing cavity, in the circumferential direction, the mixing cavity water outlet is continuously distributed at the area between the corresponding water inlet end and the tail end, and a water distribution opening is continuously formed at the water outlet cavity, corresponding to the area between the water inlet end and the tail end.
The construction of the invention is such that:
The external water entering the water inlet cavity along the water inlet end can change the flow direction at the positions of the mixing cavity, the water outlet cavity and the like, namely, the original axial flow is converted into the circulation flow, and the circulation flow is converted into the runoff flow; the repeated flow direction change can introduce turbulence factors into the water body in the pipe body, and the turbulence factors can bring turbulence to the water body in the length direction of the pipe body, so that the water body at the water outlet cavity is favorably forced to keep basically consistent in the length direction of the pipe body; so that uniform water outlet of the water distribution port in the length direction is facilitated;
the water flow sectional area of the water body at the water inlet cavity is objectively reduced by the arrangement of the water outlet of the water inlet cavity, so that the water outlet pressure at the water distribution port can be improved, more water pressure can be promoted to be distributed to the tail end of the pipe body, and uniform water outlet of the water distribution port in the length direction can be better promoted;
The turbulent flow structure can further promote the flow of the water body at the mixing cavity in the length direction, and the flow can further promote the uniform water outlet of the water distribution port in the length direction.
That is, by the above configuration, uniform water supply in the longitudinal direction can be preferably realized, and particularly when the external water body is a low-pressure water supply mode, the promotion effect is more remarkable.
Preferably, a water inlet section, a turbulent flow section and a advection section are sequentially formed between one end and the other end of the mixing cavity in the circumferential direction;
the water inlet cavity water outlet is formed at the water inlet section, and the water inflow of the water inlet cavity water outlet at the water inlet section is configured to be gradient or continuously increased in the direction away from the water inlet end;
The turbulence section is configured with staggered turbulence channels and the advection section is configured with advection channels circumferentially disposed along the mixing chamber.
In this embodiment, the water inlet section is configured to enable more water to flow to the end of the pipe body, so that the water pressure can be better resisted from being reduced along the extending direction of the pipe body; the arrangement of the turbulence section can lead the water body at the water inlet section to be disturbed more severely again after the flow direction is changed, so that the convection and water pressure balance of the water body in the length direction can be better promoted; the arrangement of the advection section can enable turbulent water at the turbulent flow section to form stable circulation, the water pressure loss is brought by the conversion of the fluid state, and the water pressure loss is mainly used for acting on the water body, so that the advection section can be promoted to have balanced water pressure in the length direction.
Preferably, the pipe body comprises an inner pipe body and an outer pipe body, the positions of the inner pipe body and the outer pipe body, which correspond to the water inlet ends, are connected through a top seal, and the positions of the inner pipe body and the outer pipe body, which correspond to the tail ends, are connected through a tail seal;
The water inlet cavity is formed at the inner cavity of the inner pipe body; the mixing cavity is formed at the surrounding area of the outer wall of the inner pipe body, the inner wall of the outer pipe body, the corresponding side of the top seal and the corresponding side of the tail seal; the mixing cavity is formed by recessing inwards in the radial direction at the side wall of the outer pipe body, and the mixing cavity forms a partition for the surrounding area. Through the structure, the pipe body is beneficial to better extension in the length direction, namely, the pipe body can be better applied to a large-area application scene.
Preferably, the water inlet cavity water outlet comprises a running water groove group formed at the inner pipe body, wherein the running water groove group is provided with a plurality of independent running water grooves which are arranged at intervals in the circumferential direction of the inner pipe body; the lengths of the plurality of independent water flowing tanks are in gradient descent, and the corresponding end of any water flowing tank extends to the tail end of the water inlet cavity. Therefore, the structural design of controlling the water flow quantity at the water outlet of the water inlet cavity is preferably realized.
Preferably, the turbulence section includes a grid group formed at the inner tube body, the grid group having a plurality of grid bars arranged at intervals in a circumferential direction of the inner tube body; the whole grid strips are continuously distributed between the water inlet end and the tail end of the water inlet cavity, and each grid strip is provided with grid openings and grid blocks which are arranged at intervals; the grid openings of the adjacent grid strips are arranged in a staggered mode, and the grid openings of the grid strips and the opposite areas of the turbulence sections form turbulence channels together. So that the water pressure of the water body along the length direction at the turbulence section is promoted uniformly.
Preferably, the advection section comprises a drainage plate group formed at the inner pipe body, and the drainage plate group comprises a plurality of drainage plates which are arranged at intervals in the length direction of the inner pipe body; drainage channels extending along the circumferential direction of the inner pipe body are formed between the adjacent drainage plates, and the drainage channels formed at the plurality of drainage plates jointly form a horizontal flow gap channel. The construction of the advection segment is preferably achieved.
Preferably, the side wall of the outer tube body is recessed inwards along the radial direction to form a recessed part, and the outer area of the recessed part forms a mixing cavity; a matching surface is formed at the position of the inner pipe body corresponding to the concave part, and the matching surface is in sealing fit with the corresponding side wall of the concave part; the water outlet of the mixing cavity is formed at the side wall of the concave part corresponding to the space between the mixing cavity and the water outlet cavity. So that the construction of the mixing chamber can be conveniently realized.
Preferably, the top seal is provided with a top seal main body part for sealing and matching with the corresponding end of the outer pipe body, and one side of the top seal main body part is provided with a top seal sealing part for sealing and matching with the corresponding end of the mixing cavity; an interface part for accessing an external water body is arranged on the other side of the top sealing main body part, and a top sealing channel for sealing and matching with the outer wall of the inner pipe body is penetratingly formed in the interface part;
The tail seal is provided with a tail seal main body part which is used for being in sealing fit with the corresponding end of the outer pipe body, one side of the tail seal main body part forms a tail seal first sealing part which is used for being in sealing fit with the corresponding end of the mixing cavity, and the tail seal first sealing part forms a tail seal second sealing part which is used for being in sealing fit with the inner wall of the inner pipe body.
By the above, the sealing structure of the mixing chamber can be effectively ensured, which is beneficial to the increase of the dimension of the pipe body in the length direction.
Preferably, a cover plate is arranged at the mixing cavity, and a plurality of drainage interfaces are arranged at the cover plate along the length direction of the pipe body at intervals. So that the uniform water distribution of the water distribution area can be better realized.
In addition, the invention also provides a crop water content data simulation system, which comprises a main water supply pipe, wherein the main water supply pipe is provided with a plurality of any one of the pipe bodies at intervals along the length direction of the main water supply pipe, and a plurality of water supply branch pipes are arranged at intervals along the length direction of the main water supply pipe. Therefore, when the original data of crop water content monitoring is simulated, each test field can be uniformly irrigated.
Drawings
Fig. 1 is a schematic structural view of a pipe body in embodiment 1;
FIG. 2 is a schematic cross-sectional view of the pipe body in example 1;
FIG. 3 is an exploded view of the pipe body in example 1;
FIG. 4 is a schematic structural view of the inner tube body in example 1 at a first view angle;
FIG. 5 is a schematic structural view of the inner tube body in example 1 at a second view angle;
FIG. 6 is a schematic structural view of the inner tube body in example 1 at a third view angle;
Fig. 7 is a schematic structural view of the outer tube body in embodiment 1;
FIG. 8 is a schematic diagram of the top seal in embodiment 1;
FIG. 9 is a schematic diagram of the tail seal in embodiment 1;
FIG. 10 is a schematic axial cross-sectional view of the pipe body in example 1;
FIG. 11 is an axial cross-sectional schematic view of another cut-away position of the tube body in example 1;
FIG. 12 is a schematic diagram of a piping system of the crop water content data simulation system in example 2;
Fig. 13 is a schematic diagram of the application of the crop water content data simulation system in example 2.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to examples. It is to be understood that the examples are illustrative of the present invention and are not intended to be limiting.
Example 1
Referring to fig. 1 to 11, in the present embodiment, there is provided a water distribution pipe assembly including a pipe body 100 having a tubular shape and extending in a longitudinal direction; the pipe body 100 is constructed at the site,
A water inlet cavity 110 extending along a length direction, one end of the water inlet cavity 110 forming a water inlet end, the other end forming a tail end, the water inlet cavity 110 being configured to provide a flow path for an external water body to travel from the water inlet end to the tail end; the water inlet cavity 110 is also provided with a water inlet cavity water outlet 231 which is continuously distributed between the water inlet end and the tail end;
a mixing chamber 210 extending along the circumferential direction of the pipe body 100, wherein one end of the mixing chamber 210 in the circumferential direction is matched with the water inlet chamber water outlet 231, a turbulence structure is arranged in the mixing chamber 210, and the turbulence structure is configured to enable the water body in the mixing chamber 210 to flow in the length direction between the water inlet end and the water inlet end;
And
The water outlet cavity 220 extends along the length direction, a mixing cavity water outlet 232 is formed at the other end of the water outlet cavity 220, corresponding to the mixing cavity 210, in the circumferential direction, the mixing cavity water outlet 232 is continuously distributed at the area between the corresponding water inlet end and the tail end, and a water distribution port 233 is continuously formed at the water outlet cavity 220 and is continuously distributed at the area between the corresponding water inlet end and the tail end. Wherein the opening of the water distribution port 233 faces radially outward of the mixing chamber 210.
The configuration in this embodiment is such that:
the external water entering the water inlet cavity 110 along the water inlet end can change the flow direction at the positions of the mixing cavity 210, the water outlet cavity 220 and the like, namely, the original axial flow is changed into the circulation flow, and the circulation flow is changed into the runoff flow; the multiple flow direction changes can introduce turbulence factors into the water body in the pipe body 100, and the turbulence factors can bring turbulence to the water body in the length direction of the pipe body 100, so that the water body at the water outlet cavity 220 is favorably forced to keep basically consistent in the length direction of the pipe body 100; so that uniform water outlet of the water distribution port 233 in the length direction is facilitated;
The water flow sectional area of the water body at the water inlet cavity 110 is objectively reduced by the arrangement of the water inlet cavity water outlet 231, so that the water outlet pressure at the water distribution port 233 can be improved, more water pressure can be promoted to be distributed to the tail end of the pipe body 100 by the improvement of the water pressure, and uniform water outlet of the water distribution port 233 in the length direction can be better promoted;
The turbulence structure can further promote the flow of the water body at the mixing cavity 210 in the length direction, and the flow can further promote the uniform water outlet of the water distribution nozzle 233 in the length direction.
That is, by the above configuration, uniform water supply in the longitudinal direction can be preferably realized, and particularly when the external water body is a low-pressure water supply mode, the promotion effect is more remarkable.
In this embodiment, the mixing chamber 210 sequentially forms a water inlet section 211, a turbulence section 212 and a advection section 213 from one end to the other end in the circumferential direction;
The water inlet cavity water outlet 231 is formed at the water inlet section 211, and the water inlet amount of the water inlet cavity water outlet 231 at the water inlet section 211 is configured to be gradient or continuously increased in a direction away from the water inlet end;
The turbulation segments 212 are configured with alternating turbulation channels and the advection segments 213 are configured with advection channels circumferentially disposed along the mixing chamber 210.
In this embodiment, the water inlet section 211 is configured to enable more water to flow to the end of the pipe body 100, so that the water pressure can be better resisted from being reduced along the extending direction of the pipe body 100; the turbulence section 212 can make the water body at the water inlet section 211 be disturbed more severely again after the flow direction is changed, so that the convection and water pressure balance of the water body in the length direction can be better promoted; the arrangement of the advection segment 213 can enable turbulent water at the turbulent flow segment 212 to form a stable circulation, the water pressure loss is brought by the transformation of the fluid state, and the water pressure loss is mainly used for acting on the water, so that the advection segment 213 can have balanced water pressure in the length direction.
Wherein, when the water inflow is configured to continuously increase in a direction away from the water inlet end, the water inflow can be realized by adopting a mode of continuously changing the sectional area of the water outlet 231 of the water inlet cavity.
In this embodiment, the pipe body 100 includes an inner pipe body 120 and an outer pipe body 130, where the inner pipe body 120 and the outer pipe body 130 are connected at their corresponding water inlet ends by a top seal 140, and the inner pipe body 120 and the outer pipe body 130 are connected at their corresponding ends by a tail seal 150;
The water inlet chamber 110 is formed at the inner cavity of the inner pipe 120; the mixing cavity 210 is formed at the surrounding area of the outer wall of the inner tube 120, the inner wall of the outer tube 130, the corresponding side of the top seal 140 and the corresponding side of the tail seal 150; the mixing chamber 210 is configured to be recessed radially inward at the side wall of the outer tubular body 130, and the mixing chamber 210 forms a partition to the surrounding area.
Through the above construction, the pipe body 100 can be advantageously extended in the length direction, that is, can be preferably applied to a large-area application scene.
In this embodiment, the water inlet and outlet 231 includes a water flow groove group 410 formed at the inner tube 120, and the water flow groove group 410 has a plurality of independent water flow grooves spaced apart from each other in the circumferential direction of the inner tube 120; the lengths of the plurality of independent water flowing tanks are in gradient descending, and the corresponding end of any water flowing tank extends to the tail end of the water inlet cavity 110. So that the structural design of controlling the flow rate at the water inlet chamber water outlet 231 is preferably realized.
In this embodiment, the turbulation segments 212 include a grating group 420 formed at the inner tube 120, the grating group 420 having a plurality of grating bars 421 circumferentially spaced apart about the inner tube 120; the grating strips 421 are integrally and continuously distributed between the water inlet end and the tail end of the water inlet cavity 110, and the grating strips 421 are provided with grating openings 422 and grating blocks 423 which are arranged at intervals; the grating openings 422 of adjacent grating bars 421 are staggered, and the grating openings 422 of the plurality of grating bars 421 and the opposite areas of the turbulence section 212 form turbulence channels together. So that the water pressure of the water body along the length direction at the turbulence section 212 is promoted uniformly.
In this embodiment, the advection 213 includes a drainage plate group 430 formed at the inner tube 120, and the drainage plate group 430 includes a plurality of drainage plates 431 arranged at intervals along the length of the inner tube 120; drainage channels extending along the circumferential direction of the inner pipe body 120 are formed between the adjacent drainage plates 431, and the drainage channels formed at the plurality of drainage plates 431 together form a horizontal flow gap channel. The configuration of the advection 213 is preferably achieved.
In this embodiment, the side wall of the outer tube 130 is recessed inwards in the radial direction to form a recess 710, and the outer region of the recess forms a mixing chamber 210; a matching surface 121 is formed at the position of the inner pipe body 120 corresponding to the concave part 710, and the matching surface 121 is in sealing fit with the corresponding side wall of the concave part 710; the mixing chamber outlet 232 is formed at a side wall of the recess 710 corresponding to the space between the mixing chamber 210 and the outlet chamber 220. The configuration of the mixing chamber 210 can be conveniently realized.
In this embodiment, the top seal 140 has a top seal main body 810 for sealing and matching with the corresponding end of the outer tube 130, and a top seal portion 820 for sealing and matching with the corresponding end of the mixing chamber 210 is formed on one side of the top seal main body 810; the other side of the top sealing main body 810 is provided with an interface part 830 for accessing an external water body, and a top sealing channel 840 for sealing and matching with the outer wall of the inner pipe 120 is penetratingly formed in the interface part 830;
The tail seal 150 has a tail seal main body portion 910 for sealing engagement with a corresponding end of the outer tube body 130, a tail seal first sealing portion 920 for sealing engagement with a corresponding end of the mixing chamber 210 is formed at one side of the tail seal main body portion 910, and a tail seal second sealing portion 930 for sealing engagement with an inner wall of the inner tube body 120 is formed at the tail seal first sealing portion 920.
As described above, the sealing structure of the mixing chamber 210 can be effectively ensured, which is advantageous in increasing the size of the tube body 100 in the longitudinal direction.
In this embodiment, a cover plate 160 is disposed at the mixing chamber 210, and a plurality of drain ports 161 are disposed at the cover plate 160 along the length direction of the tube body 100 at intervals. I.e. the water distribution port 233 is provided with a cover plate 160. So that the uniform water distribution of the water distribution area can be better realized.
Example 2
Referring to fig. 12, the present embodiment provides a crop water content data simulation system, which includes a main water supply pipe 10, wherein the main water supply pipe 10 is provided with a plurality of pipe bodies 100 in embodiment 1 along the length direction thereof, and a plurality of water supply branch pipes 30 are provided at the pipe bodies 100 along the length direction thereof. Therefore, when the original data of crop water content monitoring is simulated, each test field can be uniformly irrigated.
In addition, the flow valve 20 is disposed on either one of the pipe bodies 100 and the main water supply pipe 10 in the present embodiment, so that the control of the total flow rate at each pipe body 100 is facilitated.
Referring to fig. 13, when the crop water content data simulation system of the embodiment is actually used, a plurality of test fields can be firstly divided in a farmland, and the influence of the water content of a single factor on the growth can be better obtained by controlling the irrigation amount of each test field to be different. It will be appreciated that each test field is distributed via a separate pipe 100 via a corresponding water supply manifold 30.
It will be appreciated that for a single test field, the gray value distribution of the image acquired by the single test field should tend to be uniform (i.e., identical everywhere) without regard to the theory of individual differences in crops, since the irrigation amount etc. remains the same. In practice, however, this is not possible because the environment of each crop is not controlled to be consistent in outdoor situations.
The key purpose of the scheme is to reduce the growth difference caused by water pressure loss in a single test field as much as possible, so that the collected original data is closer to the theoretical state.
By calculating the variance of the pixel value of each pixel point of the aerial image of a single test field, when two adjacent test fields are respectively irrigated by using the system of the embodiment and a conventional Venturi fertilizer applicator, the image corresponding to the test field adopting the system of the embodiment has smaller variance of the pixel value. It can be better demonstrated that the system of the present embodiment can achieve the desired purpose.
It is to be understood that, based on one or several embodiments provided in the present application, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, which do not exceed the protection scope of the present application.
The invention and its embodiments have been described above by way of illustration and not limitation, and the examples are merely illustrative of embodiments of the invention and the actual construction is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Claims (10)
1. The water distribution pipe subassembly, its characterized in that: comprises a tubular body (100) which is tubular and extends in the length direction; the pipe body (100) is provided with a structure,
A water inlet cavity (110) extending along the length direction, wherein one end of the water inlet cavity (110) forms a water inlet end, the other end forms a tail end, and the water inlet cavity (110) is configured to provide a flow path for an external water body to travel from the water inlet end to the tail end; the water inlet cavity (110) is also provided with water inlet cavity water outlets (231) which are continuously distributed between the water inlet end and the tail end;
A mixing cavity (210) extending along the circumferential direction of the pipe body (100), wherein one end of the mixing cavity (210) in the circumferential direction is matched with the water outlet (231) of the water inlet cavity, a turbulence structure is arranged in the mixing cavity (210), and the turbulence structure is configured to enable water in the mixing cavity (210) to flow in the length direction between the water inlet end and the tail end;
And
The water outlet cavity (220) extends along the length direction, a mixing cavity water outlet (232) is formed at the other end of the water outlet cavity (220) corresponding to the mixing cavity (210) in the circumferential direction, the mixing cavity water outlet (232) is continuously distributed at the position corresponding to the area between the water inlet end and the tail end, and a water distribution port (233) is continuously distributed at the position corresponding to the area between the water inlet end and the tail end is also formed at the water outlet cavity (220).
2. A water distribution tube assembly according to claim 1, wherein: a water inlet section (211), a turbulent flow section (212) and a advection section (213) are sequentially formed between one end and the other end of the mixing cavity (210) in the circumferential direction;
the water inlet cavity water outlet (231) is formed at the water inlet section (211), and the water inflow of the water inlet cavity water outlet (231) at the water inlet section (211) is configured to be gradient or continuously increased in the direction away from the water inlet end;
The turbulence sections (212) are configured with turbulence channels arranged in a staggered manner, and the advection sections (213) are configured with advection channels arranged circumferentially along the mixing chamber (210).
3. A water distribution tube assembly according to claim 2, wherein:
The pipe body (100) comprises an inner pipe body (120) and an outer pipe body (130), the inner pipe body (120) is connected with the corresponding water inlet end of the outer pipe body (130) through a top seal (140), and the corresponding tail end of the inner pipe body (120) and the corresponding tail end of the outer pipe body (130) are connected through a tail seal (150);
the water inlet cavity (110) is formed at the inner cavity of the inner pipe body (120); the mixing cavity (210) is formed at the surrounding area of the outer wall of the inner pipe body (120), the inner wall of the outer pipe body (130), the corresponding side of the top seal (140) and the corresponding side of the tail seal (150); the mixing cavity (210) is recessed radially inwards at the side wall of the outer tube body (130), and the mixing cavity (210) forms a partition to the surrounding area.
4. A water distribution tube assembly according to claim 3, wherein: the water inlet cavity water outlet (231) comprises a water flowing groove group (410) formed at the inner pipe body (120), wherein the water flowing groove group (410) is provided with a plurality of independent water flowing grooves which are arranged at intervals in the circumferential direction of the inner pipe body (120); the lengths of the plurality of independent water flowing tanks are in gradient descending, and the corresponding end of any water flowing tank extends to the tail end of the water inlet cavity (110).
5. A water distribution tube assembly according to claim 3, wherein: the turbulence section (212) includes a grid set (420) formed at the inner tube body (120), the grid set (420) having a plurality of grid bars (421) arranged at intervals in a circumferential direction of the inner tube body (120); the grating strips (421) are integrally and continuously distributed between the water inlet end and the tail end of the water inlet cavity (110), and the grating strips (421) are provided with grating openings (422) and grating blocks (423) which are arranged at intervals; the grating openings (422) of the adjacent grating strips (421) are arranged in a staggered mode, and the grating openings (422) of the plurality of grating strips (421) and the opposite areas of the turbulence sections (212) form turbulence channels together.
6. A water distribution tube assembly according to claim 3, wherein: the advection section (213) comprises a drainage plate group (430) formed at the inner pipe body (120), and the drainage plate group (430) comprises a plurality of drainage plates (431) which are arranged at intervals in the length direction of the inner pipe body (120); drainage channels extending along the circumferential direction of the inner pipe body (120) are formed between the adjacent drainage plates (431), and the drainage channels formed at the drainage plates (431) jointly form a horizontal flow gap channel.
7. A water distribution tube assembly according to claim 3, wherein: the side wall of the outer tube body (130) is recessed inwards along the radial direction to form a recessed part (710), and the outer area of the recessed part forms a mixing cavity (210); a matching surface (121) is formed at the position, corresponding to the concave part (710), of the inner pipe body (120), and the matching surface (121) is in sealing fit with the corresponding side wall of the concave part (710); the mixing cavity water outlet (232) is formed at the side wall of the concave part (710) corresponding to the space between the mixing cavity (210) and the water outlet cavity (220).
8. A water distribution tube assembly according to claim 3, wherein: the top seal (140) is provided with a top seal main body part (810) for sealing and matching with the corresponding end of the outer pipe body (130), and a top seal part (820) for sealing and matching with the corresponding end of the mixing cavity (210) is formed on one side of the top seal main body part (810); an interface part (830) for accessing an external water body is arranged at the other side of the top sealing main body part (810), and a top sealing channel (840) for sealing and matching with the outer wall of the inner pipe body (120) is penetratingly formed in the interface part (830);
the tail seal (150) is provided with a tail seal main body part (910) for sealing and matching with the corresponding end of the outer tube body (130), one side of the tail seal main body part (910) is provided with a tail seal first sealing part (920) for sealing and matching with the corresponding end of the mixing cavity (210), and a tail seal second sealing part (930) for sealing and matching with the inner wall of the inner tube body (120) is formed at the tail seal first sealing part (920).
9. A water distribution tube assembly according to claim 3, wherein: the mixing cavity (210) is provided with a cover plate (160), and a plurality of drainage interfaces (161) are arranged at the cover plate (160) along the length direction of the pipe body (100) at intervals.
10. Crop water content data simulation system, its characterized in that: comprising a water supply main pipe (10), wherein the water supply main pipe (10) is provided with a plurality of pipe bodies (100) according to any one of claims 1 to 9 at intervals along the length direction, and a plurality of water supply branch pipes (30) are arranged at intervals along the length direction of the pipe bodies (100).
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| CN202311230605.5A CN117307864B (en) | 2023-09-22 | 2023-09-22 | Water distribution pipe assembly and crop water content data simulation system |
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| CN202311230605.5A CN117307864B (en) | 2023-09-22 | 2023-09-22 | Water distribution pipe assembly and crop water content data simulation system |
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| CN117307864B true CN117307864B (en) | 2024-05-07 |
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| JPH0837960A (en) * | 1994-08-01 | 1996-02-13 | Satoo Ura | Spraying device |
| US5785785A (en) * | 1994-10-24 | 1998-07-28 | Drip Tape Manufacturers & Engineers, Inc. | Method of making constant flow irrigation tape |
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| CN117307864A (en) | 2023-12-29 |
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