Continuous strip of drip irrigation tape

Abstract

This invention relates to a continuous strip-type drip irrigation tape, comprising raised edges distributed on the tape body, and an inlet zone, a vortex zone, and a collection zone formed by the raised edges. Multiple sets of protruding strips are distributed within the vortex zone, with these sets alternating. Each set of protruding strips includes a V-shaped protrusion with its closed end facing the inlet zone, and a pair of oblique protruding strips corresponding to the open end of the V-shaped protrusion. The two oblique protruding strips in the pair correspond to the two ridge arms of the V-shaped protrusion and extend in the same direction. One end of each oblique protruding strip is connected to the raised edge, and the other end extends into the open end of the V-shaped protrusion, forming a gap at the interlocking position. This invention improves the turbulence structure of the vortex zone, effectively suppressing excessive local accumulation of impurities in the water and promoting the dispersed flow of impurities into the collection zone, thus improving the anti-clogging ability of the drip irrigation device.

Description

Technical Field

[0001] This invention relates to the field of drip irrigation technology, specifically to a continuous strip-type drip irrigation tape. Background Technology

[0002] Drip irrigation tape is typically used in conjunction with plastic tubing (such as PE flexible tubing) and is usually fixed to the inner wall of the plastic tubing to form a drip irrigation system. Drip irrigation tape is mainly divided into two types: patch type and continuous strip type. After water is introduced into the plastic tubing, in the direction of water flow, the water passes through the inlet area (such as a comb-shaped inlet window) on the patch or strip type drip irrigation tape, enters the flow channel formed by the drip irrigation tape and the inner wall of the plastic tubing, and then flows through the vortex area (with a labyrinth flow channel structure) on the drip irrigation tape before entering the collection area. The purpose of the inlet area is to filter solid impurities in the water; the purpose of the vortex area is to distribute water evenly, reduce water pressure, and prevent clogging; and the purpose of the collection area is to collect water, distribute it evenly, buffer water pressure, and settle impurities. Therefore, the inlet area needs to be equipped with a filter surface, the vortex area needs to be designed to form a relatively long flow channel, and the collection area needs to have a sufficiently large volume. Each collection area has a corresponding outlet on the plastic tubing. After the water enters the collection area, it will seep out evenly through the water outlet holes on the plastic pipe wall, and the irrigation water will be evenly and slowly poured into the soil near the crop roots, which not only saves water, but also has a good irrigation effect.

[0003] The biggest problems in selecting drip irrigation systems are their high cost and clogging issues. Clogging often affects the operation of the drip irrigation system, leading to increased maintenance costs. Drip irrigation systems developed in recent years, which integrate continuous strip-type drip tape with plastic tubing, generally suffer from poor anti-clogging performance, thus requiring relatively high water quality. To overcome the clogging problem of continuous strip-type drip tape, common methods in the field include reducing the mesh size of the filter screen at the inlet to improve filtration accuracy, appropriately increasing the inlet area to ensure a stable and sufficient supply of water to the collection area, and improving the turbulence structure in the vortex zone to prevent the accumulation of fine impurities and make them more dispersed. See the technical solution disclosed in patent announcement number CN201957532U, entitled "Two-Stage Filter Strip-Type Drip Irrigator and Drip Tube with the Same." Summary of the Invention

[0004] To improve the anti-clogging performance of continuous strip drip irrigation tape, the continuous strip drip irrigation tape provided by this invention improves the turbulence structure of the vortex zone, which can effectively suppress the excessive accumulation of impurities in the water in a localized area and promote the dispersed flow of impurities into the water collection area, thus helping to improve the anti-clogging ability of the drip irrigation device.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a continuous strip-type drip irrigation tape, including convex edges distributed on the tape body, and a water inlet zone, a vortex zone and a water collection zone formed by the convex edges.

[0006] Multiple sets of protrusions are distributed on the bottom surface of the vortex zone, and these sets of protrusions are arranged alternately along the length of the belt body. Each set of protrusions includes a V-shaped protrusion with its closed end facing the water inlet zone, and a pair of oblique protrusions corresponding to the open end of the V-shaped protrusion. The two oblique protrusions in the pair correspond to the two ridge arms of the V-shaped protrusion and are arranged in a relatively parallel extension state. At the same time, one end of the oblique protrusion is fixedly connected to the convex edge, and the other end extends into the open end of the V-shaped protrusion, forming a gap between the free ends of the oblique protrusion and the ridge arms of the V-shaped protrusion, where they interlock.

[0007] Optionally, the two protrusion groups on both ends of the vortex zone are arranged with a gap relative to the water inlet zone and the water collection zone, respectively.

[0008] Optionally, between two adjacent groups of protrusions, the closed end of the V-shaped protrusion in one group extends into the space between two oblique protrusions in the other group.

[0009] Optionally, it also includes a first set of protruding ribs and a second set of protruding ribs. The first set of protruding ribs includes a set of ribs and a pair of overlapping ribs, and the second set of protruding ribs includes multiple axial ribs and multiple oblique ribs.

[0010] The ribs are arranged at the junction of the vortex zone and the water collection zone, including a central rib located in the middle of the width direction, and side ribs distributed on both sides of the central rib in the width direction, with each side containing multiple side ribs. Width-direction spacing is formed between the central rib and the side ribs, as well as between two adjacent side ribs.

[0011] Two overlapping ribs are positioned opposite each other in width and extend obliquely relative to the length of the main body, arranged in a figure-eight shape. The end of the ribs facing away from the vortex zone extends into the converging end of the two overlapping ribs, and the extended end of the two overlapping ribs extends into the water collection zone.

[0012] Multiple axial ribs are distributed in two opposing rows in the width direction, and each row contains multiple axial ribs arranged alternately in the length direction of the belt body. One end of each row of axial ribs extends into the extended end of two overlapping ribs, and the other end extends to the vicinity of the closed end of the water collection area. The length of the oblique ribs is greater than the spacing between two adjacent axial ribs.

[0013] The oblique ribs are respectively arranged on the outer side of the opposite ends of each pair of adjacent axial ribs, and the width distance between the end of the oblique rib closer to the vortex region and the axial rib is smaller than the width distance between the end of the oblique rib away from the vortex region and the axial rib.

[0014] Optionally, at the end of the rib set near the vortex region, the positional relationship between the end of the central rib and the ends of each side rib is as follows: the end of the central rib is closer to the vortex region than the ends of the side ribs; the ends of the side ribs adjacent to the central rib are closer to the vortex region than the ends of other side ribs far from the central rib.

[0015] Optionally, the distance between the end of the side rib that extends obliquely and is relatively close to the vortex region and the central rib is smaller than the distance between the end of the side rib that is relatively away from the vortex region and the central rib.

[0016] Optionally, the second set of protruding ribs also includes a pair of end ribs with an obtuse L-shape. The two end ribs correspond to and match the two rows of axial ribs respectively and are located at the end away from the vortex region. A gap is formed between one end of the end rib and the axial rib, and the other ends of the two end ribs are relatively close to each other.

[0017] Optionally, the water collection area is elongated and narrow. Correspondingly, the water outlet on the hose, matching the water collection area, is formed as a strip-shaped water outlet. This strip-shaped water outlet is a strip-shaped slit, with a width not exceeding 1.5 mm, preferably controlled within 0.8 mm.

[0018] The beneficial effects of this invention are as follows: The technical solution of this invention improves the turbulence structure in its vortex zone, which can effectively suppress the excessive accumulation of impurities in the water locally and promote the dispersed flow of impurities into the water collection area, where they can be gradually discharged through the water outlet, making it less likely to cause blockage of the water outlet. Therefore, the drip irrigation device formed by integrating it with the hose has good anti-clogging ability. At the same time, by improving the protrusion structure in the water collection area, impurities are less likely to concentrate in the water collection area and be discharged through the water outlet on the hose, thus effectively preventing blockage of the water outlet. Attached Figure Description

[0019] Figure 1 This is a schematic diagram showing the relative arrangement of the drip irrigation tape and the hose (the hose is cut open).

[0020] Figure 2 This is a top view of the drip irrigation tape and the hose after they have been attached together (the hose has not been cut open).

[0021] Figure 3 This is a top-view schematic diagram of a partial structure of the drip irrigation tape.

[0022] Figure 4 for Figure 3 A magnified schematic diagram of the structure at point A in the middle.

[0023] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point B in the middle.

[0024] Figure 6 for Figure 3 A magnified schematic diagram of the structure at point C.

[0025] In the diagram: 100 body, 101 protruding edge, 1011 end section, 102 water inlet area, 103 vortex area, 104 water collection area, 1041 strip-shaped central area, 1042 triangular end area, 105 flared flow channel; 200 flexible tube, 201 tube cavity, 202 strip-shaped water outlet.

[0026] 10 Protrusions; 20 Protrusion strip group, 21 V-shaped protrusion strip, 22 oblique protrusion strip, 23 Spacing section; 30 Protrusion ridge group one, 31 Rib strip group, 311 Central rib strip, 312 Side rib strip, 32 Overlapping rib strip; 40 Protrusion ridge group two, 41 Axial rib strip, 411 Discontinuity section, 42 Oblique rib strip, 43 End rib. Detailed Implementation

[0027] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the invention. They are not intended to limit the scope of the invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of the invention, should still fall within the scope of the technical content disclosed herein. Furthermore, terms such as "upper," "lower," "front," "rear," and "middle" used in this specification are merely for clarity and not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation.

[0028] like Figures 1 to 6The continuous strip-type drip irrigation tape shown includes protruding edges 101 distributed on the tape body 100, and an inlet zone 102, a vortex zone 103, and a collection zone 104 formed by the protruding edges 101. If the sequentially connected inlet zone 102, vortex zone 103, and collection zone 104 are defined as unit segments, then multiple unit segments are distributed along the length of the tape body 100. The unit segments can be continuously distributed or alternately distributed. The width of the collection zone 104 (the dimension in the front-back direction shown in the figure, the same below) is greater than the width of the vortex zone 103, and a flared flow channel 105 can be formed at the junction of the two, with the constricted end of the flared flow channel 105 facing the vortex zone 103. The tape body 100 can be thermally connected to the inner wall of the lumen 201 of the hose 200 at least through the end face of the protruding edges 101. The water collection area 104 is formed as a narrow, elongated section along the length direction (left-right direction in the figure) of the belt body 100. Correspondingly, strip-shaped water outlet holes 202 can be provided on the wall of the flexible tube 200, and multiple strip-shaped water outlet holes 202 can be configured for one water collection area 104, with the multiple strip-shaped water outlet holes 202 distributed substantially along the length direction of the belt body 100.

[0029] like Figures 1 to 3 The illustrated technical solution depicts water flowing from right to left. The unit sections are arranged in a continuous distribution, meaning that between two adjacent unit sections, the inlet area 102 in one unit section on the left is adjacent to and not connected to the collection area 104 in one unit section on the right. Simultaneously, the convex edge 101, starting from the inlet area 102 in one unit section on the left, divides into two opposing lines extending to the right, successively forming the collection area 104, vortex area 103, and inlet area 102 in another unit section, in a cyclical manner. The portion of the convex edge 101 corresponding to the collection area 104 is called the end section 1011, which is positioned centrally in the width direction (front-back direction) of the inlet area 102, and has a filter structure composed of numerous protrusions 10 distributed on both sides. It should be noted that the filter structure of the inlet area 102 can refer to other forms disclosed in the prior art, and the structural forms disclosed in the drawings should not be construed as limiting this application.

[0030] Regarding the technical solution of this application, the relative arrangement of the water inlet zone 102, the vortex zone 103 and the water collection zone 104, their respective association features with the belt body 100, and other related structural features that may be involved except for the local structural features specifically defined in this application, those skilled in the art can refer to the prior art and incorporate them into the technical solution of this application as needed.

[0031] like Figures 1 to 6As shown, a plurality of protrusion groups 20 are distributed on the inner bottom surface of the vortex region 103 (which can also be understood as on the belt surface of the belt body 100 and corresponding to the vortex region 103), and the plurality of protrusion groups 20 are distributed alternately along the length direction of the belt body 100 to form a turbulence structure.

[0032] The protrusion assembly 20 includes a V-shaped protrusion 21 with its closed end facing the water inlet area 102, and a pair of oblique protrusions 22 corresponding to the open end side of the V-shaped protrusion 21. The two oblique protrusions 22 in the pair are respectively matched with the two ribs of their corresponding V-shaped protrusions 21, and the oblique protrusions 22 and their corresponding ribs extend in the same direction, which can be a roughly parallel extension arrangement (at this time, the width of the spacing portion 23 is basically the same, see...). Figure 3 Alternatively, the arrangement can be such that the direction of extension towards the closed end of the V-shaped protrusion 21 forms an intersecting pattern (in this case, the width of the spacing portion 23 changes as follows: the width near the free end of the prism arm is greater than the width near the end of the oblique protrusion 22 that extends into the V-shaped protrusion 21). Simultaneously, one end of the oblique protrusion 22 is connected to the convex edge 101 (specifically, it can be an integrally formed structure), and the other end extends into the opening of the V-shaped protrusion 21, thus forming the spacing portion 23 at the position where the oblique protrusion 22 and the free end of the prism arm of the V-shaped protrusion 21 intersect.

[0033] The two sets of protruding strips 20 arranged at both ends of the vortex zone 103 are spaced apart relative to the water inlet zone 102 and the water collection zone 104, respectively. Specifically, a gap is formed between the protruding strip set 20 on the end of the vortex zone 103 near the water inlet zone 102 and the end of the water inlet zone 102; a gap is also formed between the protruding strip set 20 on the end of the vortex zone 103 near the water collection zone 104 and the end of the water collection zone 104.

[0034] like Figures 1 to 4 The technical solution shown describes a water flow that enters the vortex zone 103 via the inlet zone 102 and then flows along the water flow direction (along...). Figure 3The X-direction shown is first divided by the V-shaped protrusions 21, forming two separate flows that deviate towards the front and rear sides (as shown). Near the overlap / interlocking point of the V-shaped protrusions 21 and the oblique protrusions 22, the flow is blocked, slowing the velocity and creating relatively strong local turbulence. This causes solid impurities carried in the water to be separated and dispersed, allowing them to flow through the spacing 23 into the V-shaped protrusions 21, and then continue flowing towards the downstream protrusion group 20, repeating the above process. This continuously separates and disperses the solid impurities suspended in the water. The turbulence structure used in this application, compared to existing technologies, enables a more sparse dispersion of solid impurities in the water, better suppresses the aggregation effect of solid impurities, and has better anti-clogging capabilities. Meanwhile, a large and relatively enclosed space is formed between two adjacent groups of protrusions 20, which can cause solid impurities / particles floating in the water to move slowly between the groups of protrusions 20, thereby slowing down the speed at which impurities enter the water collection area 104 and allowing impurities to gradually enter the water collection area 104 over a relatively long period of time and be slowly discharged out of the drip irrigation device.

[0035] Furthermore, the two streams formed by the cutting action of the V-shaped protrusions 21 interact with each other, effectively suppressing blockages at the two opposing gaps 23 and ensuring the conductivity of the vortex zone 103. Specifically, when a gap 23 on one side becomes severely blocked, the amount of water diverted to that side decreases, and the water flow near that gap 23 deteriorates; simultaneously, the amount of water diverted to the other side increases, and the water flow at that gap 23 becomes relatively stronger. This generates a local negative pressure between the two opposing gaps 23 (front and rear), creating a suction force that gradually restores the blocked gap 23 to a good conductive state.

[0036] As shown in Figure 4, between two adjacent groups of protrusions 20, the closed end of the V-shaped protrusion 21 in one group of protrusions 20 (on the left) extends into the space between the two oblique protrusions 22 in the other group of protrusions (on the right). Alternatively, between two adjacent groups of protrusions 20, the closed end of the V-shaped protrusion 21 in one group of protrusions 20 (on the left) is positioned relative to the ends of the two oblique protrusions 22 in the other group of protrusions (on the right), creating a gap.

[0037] like Figures 1 to 6As shown, the solution in this application also includes a first rib group 30 and a second rib group 40. Both the first rib group 30 and the second rib group 40 are formed on the surface of the tape body 100 and extend along the length of the tape body 100. The first rib group 30 includes a set of ribs 31 and a pair of overlapping ribs 32. The second rib group 40 includes multiple axial ribs 41 and multiple oblique ribs 42. The "axial" in the axial ribs 41 here can be understood as the axial direction of the hose 200 after the drip tape and hose 200 are combined, i.e. Figure 4 The OO direction in the middle. At that time, the length direction of the belt body 100 is consistent with (relatively parallel to) the axial extension direction of the hose 200. The axial rib 41 can also be called the length rib.

[0038] The rib set 31 is located at the junction of the vortex zone 103 and the water collection zone 104, including a central rib 311 located at the center of the width direction of the belt body 100, and side ribs 312 distributed on both sides of the central rib 311 in the width direction, with each side containing multiple side ribs 312. A width-direction spacing is formed between the central rib 311 and the side ribs 312, as well as between adjacent side ribs 312 (i.e., the spacing in the width direction of the belt body 100; in this application, unless otherwise specified, the width direction is generally understood to be the width direction of the belt body 100, i.e., the front-back direction shown in the figure).

[0039] Two overlapping ribs 32 are arranged opposite each other in width and extend obliquely relative to the length direction of the belt body 100, forming a figure-eight shape. The end of the rib cluster 31 facing away from the vortex zone 103 extends into the converging end of the two overlapping ribs 32, and the extended ends of the two overlapping ribs 32 extend to one end of the water collection zone 104.

[0040] Multiple axial ribs 41 are distributed in two rows arranged opposite each other in the width direction (front and back), and each row contains multiple axial ribs 41 arranged alternately in the length direction of the belt body 100. One end of the two rows of axial ribs 41 extends into the extended ends of two overlapping ribs 32, and the other end extends to the vicinity of the closed end of the water collection area 104, that is, to the triangular end area 1042 shown in the figure, that is, the triangular end area 1042 is part of the water collection area 104.

[0041] The oblique rib 42 corresponds one-to-one with the discontinuity 411 between two adjacent axial ribs (41), and is correspondingly located on the outer side of the opposite ends of the two adjacent axial ribs (41). The length of the oblique rib 42 is greater than the distance between two adjacent axial ribs 41, that is, the length of the oblique rib 42 is greater than the length of the discontinuity 411 shown in the figure. The oblique rib 42 is positioned close to one end of the vortex region 103 (e.g., ...). Figure 5The width spacing between the right end of the oblique rib 42 and the axial rib 41 is smaller than the width of the end of the oblique rib 42 that is away from the vortex region 103 (e.g., the right end of the oblique rib 42). Figure 5 The width spacing between the left end of the axial rib 41 and the axial rib 41.

[0042] By setting two sets of protruding ribs, the water flowing from the vortex zone 103 into the water collection zone 104 is divided by the rib set 31, forming multiple fine streams. This diverts and disperses suspended solid impurities in the water. After being dispersed, these impurities are blocked by the interconnected structure formed by the overlapping ribs 32, the axial ribs 41, and the oblique ribs 42, preventing them from directly and centrally entering the strip-shaped central area 1041 enclosed by the axial ribs 41 and the oblique ribs 42, thus preventing clogging. After the tape body 100 / drip tape and the hose 200 are integrated, the strip-shaped water outlet 202 opened on the hose 200 corresponds to the position in the strip-shaped central area 1041. Impurities suspended in the water slowly enter the strip-shaped central area 1041 and can be discharged in time, making it less likely for them to clog at the water outlet.

[0043] like Figure 4 As shown, at the end of the rib set 31 near the vortex region 103 (i.e., the right end of the rib set 31 in the figure), the positional relationship between the end of the central rib 311 and the ends of each side rib 312 is as follows: the end of the central rib 311 (the right end in the figure) is closer to the vortex region 103 than the ends of the side ribs 312 (the right end in the figure), that is, further to the right; the end of a side rib 312 adjacent to the central rib 311 (the right end in the figure) is closer to the vortex region 103 than the ends of other side ribs 312 far from the central rib 311 (the right end in the figure), that is, further to the right. Therefore, at the right end of the rib set 31, the end of the central rib 311 and the ends of the multiple side ribs 312 distributed on both sides are arranged oppositely on two inclined surfaces. This promotes the drift of impurities suspended in the water to the (left and right) sides, making it less likely for them to concentrate and directly enter the strip-shaped central area 1041, thus improving the dispersion of impurities and enhancing anti-clogging performance. At the end of the rib set 31 away from the vortex area 103 (i.e., the left end of the rib set 31 in the figure), the positional relationship between the end of the central rib 311 and the ends of each side rib 312 is: they are flush or the central rib 311 is converging inward relative to the side ribs 312.

[0044] Preferably, the side ribs 312 extend obliquely relative to the length direction of the belt body 100, and the width distance between the side ribs 312 and the center ribs 311 at the end of the side ribs 312 that is closer to the vortex region 103 is smaller than the width distance between the side ribs 312 and the center ribs 311 at the end of the side ribs 312 that is away from the vortex region 103.

[0045] like Figure 3 , Figure 6 As shown, the second set of protruding ribs 40 further includes a pair of end ribs 43, and the end ribs 43 are L-shaped with an obtuse angle. The two end ribs 43 correspond to and match the two rows of axial ribs 41 respectively and are located at the end opposite to the vortex region 103.

[0046] A gap (i.e., discontinuity 411) is formed between one end of the end ridge 43 and the axial ridge 41. The other ends of the two end ridges 43 are relatively close to each other and a gap is formed between the opposite ends. By setting the end ridges 43, the end of the strip-shaped central region 1041 can be sealed to a certain extent, making it difficult for impurities to accumulate and enter from the end in large quantities. In the technical solution of this application, because impurities are blocked by the axial ridge 41 and the oblique ridge 42 when flowing from one end of the water collection area 104 to the other end, they are not easy to quickly and concentratedly enter the strip-shaped central region 1041 from the discontinuity 411, but will be pushed towards the triangular end region 1042. Therefore, the degree of impurity accumulation in the triangular end region 1042 is relatively larger. After the end ridge 43 is set, it can effectively prevent impurities from entering the strip-shaped central area 1041 quickly and in a concentrated manner, so that the impurities can move around the periphery of the strip-shaped central area 1041 and gradually disperse into the strip-shaped central area 1041, thereby improving the anti-clogging performance.

[0047] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Many aspects of the present invention can be improved without departing from the overall concept. Those skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A continuous strip type drip irrigation tape, comprising a convex edge (101) distributed on the tape body (100), and a water inlet area (102), a vortex area (103) and a water collection area (104) formed by the convex edge (101); characterized in that: a plurality of protrusion groups (20) are distributed in the vortex area (103); the plurality of protrusion groups (20) are distributed alternately; the protrusion group (20) comprises a V-shaped protrusion (21) with a closed end facing the water inlet area (102), and a pair of inclined protrusions (22) arranged on the open end side of the V-shaped protrusion (21); the two inclined protrusions (22) of the pair respectively correspond to and extend in the same direction with the two edge arms of the V-shaped protrusion (21); one end of the inclined protrusion (22) is connected with the convex edge (101), and the other end extends to the inside of the opening of the V-shaped protrusion (21), and forms a spacing part (23) at the position where the two are inserted; further comprising protrusion group one (30) and protrusion group two (40); the protrusion group one (30) comprises a ridge set (31) and a pair of overlapping ridges (32) arranged in a figure-eight shape; the protrusion group two (40) comprises a plurality of axial ridges (41) and a plurality of inclined ridges (42); the ridge set (31) is arranged at the junction of the vortex area (103) and the water collection area (104), and comprises a central ridge (311) and a plurality of side ridges (312) distributed alternately on both sides of the central ridge (311); one end of the ridge set (31) away from the vortex area (103) extends to the converging end of the two overlapping ridges (32); the plurality of axial ridges (41) are arranged in two rows, and each row contains a plurality of axial ridges (41) arranged alternately; one end of the two rows of axial ridges (41) extends into the expanding end of the two overlapping ridges (32), and the other end extends to the vicinity of the closed end of the water collection area (104); the inclined ridge (42) is arranged outside the opposite ends of the two adjacent axial ridges (41); the length of the inclined ridge (42) is greater than the distance between the two adjacent axial ridges (41); the distance between the end of the inclined ridge (42) near the vortex area (103) and the axial ridge (41) is less than the distance between the end away from the vortex area (103) and the axial ridge (41). The arrangement positions of the two protrusion groups (20) on both sides of the vortex area (103) form a distance relative to the water inlet area (102) and the water collection area (104) respectively. In the two adjacent protrusion groups (20), the closed end of the V-shaped protrusion (21) in one protrusion group (20) extends into the two inclined protrusions (22) in the other protrusion group (20). At one end of the ridge set (31) near the vortex area (103), the end of the central ridge (311) is closer to the vortex area (103) than the end of the side ridge (312); the end of the side ridge (312) adjacent to the central ridge (311) is closer to the vortex area (103) than the end of the other side ridge (312) away from the central ridge (311). ​ ​ 2. The continuous strip of drip irrigation tape according to claim 1, characterized in that: ​ 3. The continuous strip of drip irrigation tape according to claim 1, characterized in that: ​ 4. The continuous strip of drip irrigation according to claim 1, characterized in that: ​ 5. The continuous strip of drip irrigation according to claim 1 or 4, characterized in that: The side ridge (312) is inclined to extend and the distance between the end close to the vortex area (103) and the central ridge (311) is smaller than the distance between the end away from the vortex area (103) and the central ridge (311).

6. The continuous strip of drip irrigation tape according to claim 1, characterized in that: The second protrusion group (40) further comprises a pair of end ridges (43) in L shape with an obtuse angle, and the two end ridges (43) are respectively matched with the two rows of axial ridges (41) and are arranged at the end away from the vortex area (103); a distance is formed between one end of the end ridge (43) and the axial ridge (41), and the other ends of the two end ridges (43) are relatively close.

7. The continuous strip of drip irrigation according to claim 1, characterized in that: The water collecting area (104) is in a strip shape; the water outlet hole corresponding to the water collecting area (104) and arranged on the hose (200) is formed as a strip-shaped water outlet hole (202).

Images