Integrated ohm tube with sleeving structure

By designing an integrated ohmic tube with a socket structure, the problem of cumbersome ohmic tube connections was solved, achieving simplified operation and cost reduction, and improving the efficiency of vacuum injection for wind turbine blades.

CN223559121UActive Publication Date: 2025-11-18CHINA MING YANG WIND POWER GRP LTD
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Patent Information

Application Number
CN202422899015.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-11-18
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In the current vacuum grouting process for wind turbine blades, the connection of ohmic tubes is cumbersome, and it is easy to miss the connection head, which can lead to grouting defects, increase the cost of auxiliary materials, and complicate the operation.

Method used

Design an integrated ohmic tube with a socket structure. The ohmic tube body has multiple ports and socket females, which are connected by injection molding to reduce the number of connecting parts. It is fixed with high-temperature resistant adhesive tape to simplify operation.

Benefits of technology

It simplifies the connection and fixing steps of ohm tubes, reduces the number and cost of auxiliary materials, improves construction efficiency, and reduces operational complexity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated ohmic tube with a sleeving structure, which comprises an ohmic tube body, the ohmic tube body is provided with at least two ports, at least one port extends out to form a sleeving female head, and the sleeving female head is matched and connected with the port of the adjacent ohmic tube. A through hole or a through groove used for permeating pouring resin into a laying layer is formed in the center line, in the length direction, of the bottom face of the ohm pipe body, and high-temperature-resistant bonding belts are symmetrically arranged on the bottom face of the ohm pipe body and located on the two sides of the through hole. The device is simple in structure and convenient to operate, the number of vacuum infusion auxiliary materials and laying and fixing steps can be effectively reduced, the construction efficiency is improved, and the auxiliary material cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wind driven generator blade vacuum infusion auxiliary material, especially to an integrated ohmmeter with a socket structure. BACKGROUND

[0002] The wind power blade is manufactured by adopting the vacuum infusion molding technology. The resin flow channel is formed by connecting a plurality of ohmmeters. A connecting head is needed to fix between every two ohmmeters. When the number of pipes is large, the operation is complicated, and the connecting head is easily missed on site, which causes the infusion pipeline to be blocked and infusion defects to occur. When the ohmmeter is fixed on the auxiliary material, a sealing rubber strip needs to be pasted on site, which is complicated to operate. The connecting head and the sealing rubber strip need to be purchased separately, which increases the cost of auxiliary materials. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the defects of the prior art, providing an integrated ohmmeter with a socket structure, which is simple in structure, convenient to operate, can effectively reduce the number of vacuum infusion auxiliary materials and laying and fixing steps, improve the construction efficiency, and reduce the cost of auxiliary materials.

[0004] The utility model can achieve the purpose by adopting the following technical scheme:

[0005] An integrated ohmmeter with a socket structure comprises an ohmmeter body, the ohmmeter body has at least two ports, at least one port extends to form a socket female head, the socket female head is matched and connected with the port of an adjacent ohmmeter, a through hole or a through groove for permeating infusion resin into the internal layer is arranged on the center line of the bottom surface of the ohmmeter body along the length direction, and high-temperature-resistant adhesive tapes are symmetrically arranged on the bottom surface and located on both sides of the through hole.

[0006] Further, the ohmmeter body is in the shape of a straight line, a T or a cross.

[0007] Further, the cross section of the ohmmeter body is in the shape of an omega, comprising a pipe body and a bottom backing plate arranged at the bottom of the pipe body, the pipe body is in the shape of a straight line, a T or a cross, the cross section is in the shape of an optimal arc, a hollow infusion flow channel is formed between the pipe body and the bottom backing plate, the width of the bottom backing plate is greater than that of the pipe body, the through hole or the through groove is arranged on the center line of the bottom backing plate along the length direction, and the high-temperature-resistant adhesive tapes are arranged at equal intervals or continuously along the length direction of the bottom backing plate.

[0008] Further, the two side edges of the bottom backing plate in the width direction are 10-20 mm longer than the two side edges of the pipe body in the width direction.

[0009] Further, the through hole is a circular hole or a waist-shaped hole, and the through groove is completely cut along the length direction of the bottom backing plate. Further, the through hole is a circular hole or a waist-shaped hole, and the through groove is completely cut along the length direction of the bottom backing plate.

[0010] Further, the sleeve female head is sleeved on the outer side of one end of the pipe body, the total length is 100mm, the lap joint part length with the pipe body is 50mm, the protruding part length is 50mm, the inner diameter is same with the outer diameter of the pipe body, and the wall thickness is same with the thickness of the pipe body.

[0011] Further, the injection glue seat is integrally T-shaped, the top end is an injection glue port, and the left and right ends are respectively provided with connecting sub-heads which can be matched and connected with the sleeve female head of the ohm pipe body.

[0012] Further, the ohm pipe is one-time forming structure.

[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0014] 1. The integrated ohm pipes in the utility model can be connected by being inserted into each other, and no additional connecting pieces are needed for fixing, so that the structure is simple, the operation is convenient, the number of vacuum pouring auxiliary materials and the laying process can be reduced, and the construction efficiency is improved.

[0015] 2. The high-temperature-resistant adhesive tape of the integrated ohm pipe in the utility model can be directly fixed on the auxiliary material, so that the amount and time of using the sealant tape for adhesion on site are reduced, and the integrated ohm pipe is better fixed in the area with a larger arc surface.

[0016] 3. The integrated ohm pipe in the utility model can be one-time formed through injection molding process, and in actual production, the mold adopts movable inserts to control whether the port position of the ohm pipe has a sleeve joint structure, and the mold of other connecting pieces is omitted, so that the mold cost can be reduced. DRAWINGS

[0017] Figure 1 It is a structure schematic view of the ohm pipe (two-way ohm pipe) of the utility model.

[0018] Figure 2 It is a bottom view of the ohm pipe (two-way ohm pipe) of the utility model.

[0019] Figure 3 It is a sectional view of the ohm pipe body of the utility model.

[0020] Figure 4 It is a structure schematic view of the sleeve female head of the utility model.

[0021] Figure 5 It is a structure schematic view of the ohm pipe (three-way ohm pipe) of the utility model.

[0022] Figure 6 It is a structure schematic view of the ohm pipe (four-way ohm pipe) of the utility model.

[0023] Figure 7 Structure diagram of a T-shaped perfusion flow channel formed by two-way ohmic tubes and three-way ohmic tubes.

[0024] Figure 8 Structure diagram of a T-shaped perfusion flow channel formed by two-way ohmic tubes and three-way ohmic tubes.

[0025] Figure 9 Structure diagram of a cross-shaped perfusion flow channel formed by two-way ohmic tubes and four-way ohmic tubes. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0027] Embodiment 1

[0028] As shown in Figure 1 and Figure 3 , the present embodiment provides an integrated ohmic tube with a socket structure, which comprises an ohmic tube body, the ohmic tube body has at least two ports, and at least one port extends to form a socket female head 103. The present embodiment takes the ohmic tube body with two ports as an example, i.e. a two-way ohmic tube 100, one port of which extends to form a socket female head 103, the socket female head 103 is matched and connected with the port of the adjacent ohmic tube, the bottom surface of the ohmic tube body is provided with a through hole 104 or a through slot along the center line in the length direction, the perfusion resin penetrates into the internal layer through the through hole 104 or the through slot, so as to achieve the purpose of infiltrating the fiber, and the high-temperature-resistant adhesive tape 105 is symmetrically arranged on the bottom surface and located on both sides of the through hole 104.

[0029] The ohm pipe body is in the shape of a straight line as a whole, the cross section of the ohm pipe body is in the shape of Ω, and the ohm pipe body comprises a pipe body 101 and a bottom base plate 102 arranged at the bottom of the pipe body 101. The pipe body 101 is in the shape of a straight line as a whole, the cross section of the pipe body 101 is in the shape of an arc, the angle a of the arc is in the range of 200°-240°, a hollow pouring flow channel 106 is formed between the pipe body 101 and the bottom base plate 102, the width of the bottom base plate 102 is greater than the width of the pipe body 101, which can prevent the vacuum pressure from causing indentation on the surface of the product, the through hole 104 or the through slot is arranged on the center line of the bottom base plate 102 in the length direction, and the high-temperature-resistant adhesive tape 105 is arranged at equal intervals or continuously along the length direction of the bottom base plate 102, one side of the high-temperature-resistant adhesive tape 105 is bonded to the bottom base plate 102, and the other side is a layer of double-sided release paper. When the ohm pipe is used, the double-sided release paper needs to be removed, bonded to the corresponding auxiliary material, and fixed to achieve the purpose of an integrated ohm pipe.

[0030] The two side edges of the bottom base plate 102 in the width direction are respectively 10mm-20mm longer than the two side edges of the pipe body 101 in the width direction. The through hole 104 is a circular hole or a waist-shaped hole, and the through slot is completely cut along the length direction of the bottom base plate 102.

[0031] As shown in Figure 4 , the sleeve joint female head 103 is sleeved outside one end of the pipe body 101, the total length of the sleeve joint female head 103 is 100mm, the length of the lap joint part 1031 of the sleeve joint female head 103 and the pipe body 101 is 50mm, the length of the protruding part 1032 of the sleeve joint female head 103 is 50mm, the inner diameter of the sleeve joint female head 103 is the same as the outer diameter of the pipe body 101, and the wall thickness of the sleeve joint female head 103 is the same as the thickness of the pipe body 101.

[0032] The ohm pipe is provided with a glue injection seat 400 at the glue injection position, the glue injection seat 400 is in the shape of T as a whole, the top end of the glue injection seat 400 is a glue injection port, and the left and right ends of the glue injection seat 400 are respectively provided with a connecting male head, which can be matched and connected with the sleeve joint female head 103 of the ohm pipe body.

[0033] The ohm pipe is formed by one-time molding through a process such as injection molding. The material of the ohm pipe is PP, PE, PVC, PET, etc., and the heat distortion temperature of the material of the ohm pipe needs to be higher than the curing exothermic temperature of the pouring resin.

[0034] Example 2

[0035] As shown in Figure 5 , the embodiment provides an integrated ohm pipe with a sleeve joint structure, and the difference between the embodiment and example 1 is that the ohm pipe body is in the shape of T as a whole, the ohm pipe body has three ports, namely the left and right ports and the lower port, that is, a three-way ohm pipe 200, the lower port of the ohm pipe body protrudes to form a sleeve joint female head 103, and any one of the left and right ports of the ohm pipe body protrudes to form a sleeve joint female head 103, and the pipe body of the ohm pipe body is also in the shape of T as a whole.

[0036] Example 3

[0037] As Figure 6 The embodiment provides an integrated ohmic tube with a socket structure, and differs from the embodiment 1 in that the ohmic tube body is in a cross shape, the ohmic tube body has four ports, namely left and right ports and upper and lower ports, namely a four-way ohmic tube 300, at least one port of the upper and lower ports is extended to form a socket female head 103, at least one port of the left and right ports is extended to form a socket female head 103, and the tube body of the ohmic tube body is also in a cross shape.

[0038] The integrated ohmic tube can have two, three or more openings, a plurality of two-way ohmic tubes form a linear perfusion flow channel, and the ohmic tube with three or more ports forms a longitudinal and transverse perfusion flow channel.

[0039] As Figure 7 The two-way ohmic tubes 100 are connected to form a linear perfusion flow channel, and the steps are as follows:

[0040] First, the first two-way ohmic tube 100 is placed in a longitudinal direction, and the socket female head 103 faces the inner side of the layer. Then, the glue injection seat 400 is placed, one end of the glue injection seat 400 is inserted into the socket female head 103 of the first two-way ohmic tube 100. Then, the second two-way ohmic tube 100 is placed, the socket female head 103 of the second two-way ohmic tube 100 is connected with the other end of the glue injection seat 400. Then, the third two-way ohmic tube 100 is placed, the socket female head 103 of the third two-way ohmic tube 100 is connected with the tube body 101 of the second two-way ohmic tube 100. The subsequent two-way ohmic tubes 100 are continuously placed, the socket female head 103 of each two-way ohmic tube 100 is connected with the tube body 101 of the previous two-way ohmic tube 100. When the total length of the pipeline meets the process requirement, a linear perfusion flow channel is formed.

[0041] The position of the glue injection seat 400 is adjusted according to needs, and the arrangement direction of the ohmic tube is adjusted according to actual conditions. After confirming that the perfusion flow channel is installed, the release paper of the high-temperature-resistant adhesive tape 105 is removed, and the installed perfusion flow channel is bonded to the auxiliary material. According to the process requirement, a plurality of linear perfusion flow channels can be arranged in the transverse direction according to the same method, so that the fibers of the infiltration layer are infiltrated.

[0042] As Figure 8 The two-way ohmic tubes 100 and the three-way ohmic tubes 200 are connected to form a T-shaped perfusion flow channel, and the steps are as follows:

[0043] First, place the first tee ohm tube 200 longitudinally, with its lower end facing the inside of the ply. Then, place the first 2-way ohm tube 100, its body 101 inserted into the socket 103 at the lower end of the first tee ohm tube 200. Next, place the injection seat 400, one end of which is inserted into the socket 103 of the first 2-way ohm tube 100. Then, place the second 2-way ohm tube 100, its socket 103 connected to the other end of the injection seat 400. Next, place the third 2-way ohm tube 100, its socket 103 connected to the body 101 of the second 2-way ohm tube 100. Continue placing subsequent 2-way ohm tubes 100, each 2-way ohm tube 100's socket 103 connected to the body 101 of the previous 2-way ohm tube 100. Once the total pipe length meets the process requirements, a T-shaped injection channel is formed.

[0044] Multiple T-shaped injection channels are arranged horizontally in the same manner, wherein the left end of each tee ohm tube 200 is connected to the right end of the previous tee ohm tube 200 through a socket nut 103 to form a T-shaped injection channel.

[0045] like Figure 9 As shown, the steps for forming a cross-shaped injection channel by connecting two-way ohmic tubes 100 and four-way ohmic tubes 300 are as follows:

[0046] First, place the first four-way ohmic tube 300 longitudinally. Then, place the first two-way ohmic tube 100, with its body 101 inserted into the lower opening of the first three-way ohmic tube 200 via a socket 103. Next, place the injection seat 400, with one end of the injection seat 400 inserted into the socket 103 of the first two-way ohmic tube 100. Then, place the second two-way ohmic tube 100, with its socket 103 connected to the other end of the injection seat 400. Next, place the third two-way ohmic tube 100, with its socket 103 connected to the body 101 of the second two-way ohmic tube 100. Continue placing subsequent two-way ohmic tubes 100, with the socket 103 of each two-way ohmic tube 100 connected to the body 101 of the previous two-way ohmic tube 100. When the total length of the pipeline meets the process requirements, a cross-shaped injection channel is formed.

[0047] The above description is only a preferred embodiment of this utility model patent, but the protection scope of this utility model patent is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope disclosed in this utility model patent, based on the technical solution and utility model patent concept of this utility model patent, shall fall within the protection scope of this utility model patent.

Claims

1. An integrated ohmic tube with a socket structure, characterized in that: The device includes an ohmic tube body, which has at least two ports, with at least one port extending out to form a female socket. The female socket is matched and connected to the port of an adjacent ohmic tube. The bottom surface of the ohmic tube body has a through hole or groove along the center line of its length direction for penetrating the injection resin into the ply. High-temperature resistant adhesive tapes are symmetrically arranged on the bottom surface of the ohmic tube body on both sides of the through hole.

2. The integrated ohmic tube with a sleeve structure according to claim 1, characterized in that: The ohm tube body is generally in the shape of a straight line, a T-shape, or a cross.

3. The integrated ohmic tube with a sleeve structure according to claim 2, characterized in that: The cross-section of the ohmic tube body is Ω-shaped, including a tube body and a bottom plate disposed at the bottom of the tube body. The tube body is generally in the shape of a straight line, a T-shape, or a cross shape, and its cross-section is arc-shaped. A hollow injection channel is formed between the tube body and the bottom plate. The width of the bottom plate is greater than the width of the tube body. The through holes or through grooves are disposed on the center line of the bottom plate along the length direction. The high-temperature resistant adhesive tape is arranged at equal intervals or continuously along the length direction of the bottom plate.

4. The integrated ohmic tube with a sleeve structure according to claim 3, characterized in that: The two sides of the bottom pad extend 10mm to 20mm beyond the two sides of the tube body in the width direction.

5. The integrated ohmic tube with a sleeve structure according to claim 3, characterized in that: The through hole is a circular hole or an oblong hole, and the through groove is completely cut along the length of the bottom pad.

6. The integrated ohmic tube with a sleeve structure according to claim 3, characterized in that: The female connector is fitted onto the outside of one end of the tube body. Its total length is 100mm, the overlap length with the tube body is 50mm, the protruding length is 50mm, its inner diameter is the same as the outer diameter of the tube body, and its wall thickness is the same as the thickness of the tube body.

7. The integrated ohmic tube with a sleeve structure according to claim 1, characterized in that: The ohmic tube is equipped with a glue injection seat at the glue inlet position. The glue injection seat is T-shaped, with a glue injection port at the top and connectors at its left and right ends. The connectors can be matched and connected with the socket female of the ohmic tube body.

8. The integrated ohmic tube with a sleeve structure according to claim 1, characterized in that: The ohmic tube is a one-piece molded structure.