A trough solar collector frame node structure

Abstract

The utility model provides a kind of groove type solar energy collector frame node structure, including frame pipe fitting and node assembly, frame pipe fitting and node assembly are detachably connected, node assembly includes one or more node connecting parts;The end of frame pipe fitting is provided with multiple first recesses and first protrusions, any one first protrusion is set between any two adjacent first recesses;Node connecting part is provided with multiple second recesses and second protrusions, any one second protrusion is set between any two adjacent second protrusions;First recess and second protrusion are one-to-one corresponding cooperation, second recess and first protrusion are one-to-one corresponding cooperation.The structure can effectively improve the connecting stiffness of node, installation accuracy and convenience, reduce assembly difficulty, so as to ensure the safety and reliability in long-term operation of solar frame.

Description

Technical Field

[0001] This utility model belongs to the field of solar collector manufacturing technology, and specifically relates to a frame node structure for a trough-type solar collector. Background Technology

[0002] Solar energy, as a renewable energy source with vast reserves, wide distribution, and clean, pollution-free characteristics, plays a vital role in alleviating the energy crisis and reducing environmental pollution through its efficient development and utilization. Among these technologies, parabolic trough solar thermal collectors, with their high thermal efficiency, excellent thermal storage performance, and wide applicability, have received increasingly widespread application and research attention in fields such as solar thermal power generation, industrial heating, and building heating.

[0003] In a parabolic trough solar collector system, the supporting structure is a key component to ensure the stable operation and efficient light concentration of the collector. Its performance directly affects the light concentration efficiency, structural stability, and service life of the entire collector system.

[0004] Traditional trough solar panel support structures often use on-site welding or bolt connections for their nodes. While welded connections offer high overall rigidity, they are prone to generating significant residual stress and thermal deformation during the welding process, making it difficult to control structural accuracy and resulting in low on-site installation precision. This severely impacts the accuracy of the reflector surface and the concentration efficiency. Bolted connections, on the other hand, are convenient to install, but their insufficient node rigidity makes them prone to loosening after long-term use, reducing structural stability. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a frame node structure for a trough solar collector that can effectively improve the connection stiffness, installation accuracy and convenience of the node, reduce the assembly difficulty, and thus ensure the safety and reliability of the solar frame during long-term operation.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A trough-type solar collector frame node structure includes frame pipes and node components, wherein the frame pipes and the node components are detachably connected, and the node components include one or more node connection parts.

[0008] The end of the frame tube is provided with a plurality of first grooves and first protrusions, and any one of the first protrusions is provided between any two adjacent first grooves;

[0009] The node connection portion is provided with a plurality of second grooves and second protrusions, and any one of the second protrusions is disposed between any two adjacent second protrusions;

[0010] The first groove and the second protrusion are matched one-to-one, and the second groove and the first protrusion are matched one-to-one.

[0011] Optionally, any one of the node connection portions may be plugged into different frame fittings, and the frame fittings may be inserted inside the node connection portion.

[0012] The node connection is riveted to the frame pipe.

[0013] Optionally, the inner wall of the frame fitting is further provided with multiple reinforcing ribs.

[0014] Optionally, the node connection portion is further provided with a plurality of stress relief grooves, which extend vertically from the edge of the node connection portion to a preset position of the node connection portion.

[0015] Optionally, the stress relief groove is disposed on the second protrusion and / or the second groove.

[0016] Optionally, the node connection part includes a main node connection part and multiple sub-node connection parts, and the multiple sub-node connection parts are all disposed on the main node connection part;

[0017] Each of the sub-node connection parts has the same or different preset angles as the main node connection part.

[0018] Optionally, the main node connection part includes a main node connection pipe and main node connection ends respectively disposed at both ends of the main node connection pipe, and the main node connection ends are respectively connected to different frame pipe fittings;

[0019] Both the second groove and the second protrusion are disposed on the main node connection end.

[0020] Optionally, the main node connecting pipe has a polygonal structure;

[0021] Each of the second grooves or the second protrusions is respectively provided to correspond to a prism face of the main node connecting pipe.

[0022] Optionally, the sub-node connection part includes a sub-node connection pipe and a sub-node connection end. One end of the sub-node connection pipe is connected to the main node connection pipe, and the other end is connected to one end of the sub-node connection end. The other end of the sub-node connection end is connected to the frame pipe.

[0023] Optionally, the sub-node connecting pipe has a polygonal structure;

[0024] Each of the second grooves or the second protrusions is respectively provided to correspond to a prism face of the sub-node connecting pipe.

[0025] As can be seen from the above technical solutions, compared with the prior art, the trough solar collector frame node structure disclosed in this utility model embodiment has the following technical effects:

[0026] 1) The structural design of the frame fittings and node connections enables precise alignment and assembly of the frame fittings and node connections, which can significantly reduce assembly difficulty and errors and improve the overall installation efficiency of the frame node structure.

[0027] 2) The frame node structure has a compact form, which can greatly reduce the space occupied, thereby improving the spatial adaptability during the installation process;

[0028] 3) The concave-convex fit of the frame fittings and node components, as well as the detachable connection method, can effectively overcome the thermal deformation problem of traditional welded joints, and greatly improve assembly efficiency and installation accuracy. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0030] Figure 1 This is a three-dimensional structural diagram of the frame node structure of the trough solar collector disclosed in the embodiment of this utility model.

[0031] Figure 2 for Figure 1 The front view;

[0032] Figure 3 for Figure 1 The back view;

[0033] Figure 4 for Figure 1 A bottom view;

[0034] Figure 5 for Figure 1 Top view;

[0035] Figure 6 for Figure 1 The right view;

[0036] Figure 7 for Figure 1 The left view;

[0037] Figure 8 This is a schematic diagram of the frame pipe fitting disclosed in the embodiment of this utility model;

[0038] Figure 9 This is a schematic diagram of the connection structure of the frame pipe fittings and node components disclosed in the embodiments of this utility model.

[0039] Figure 10 This is a three-dimensional structural diagram of the node component disclosed in the embodiment of this utility model;

[0040] Figure 11 This is a front view of the node component disclosed in the embodiments of this utility model;

[0041] Figure 12 This is a schematic diagram of the structure of the node connecting pipe disclosed in the embodiment of this utility model.

[0042] Explanation of reference numerals in the attached figures:

[0043] 100 - Frame fitting, 101 - First groove, 102 - First protrusion

[0044] 200 - Node assembly, 201 - Main node connection part, 2011 - Main node connection pipe, 2012 - Main node connection end, 202 - Sub-node connection part, 2021 - Sub-node connection pipe, 2022 - Sub-node connection end, 203 - Second groove, 204 - Second protrusion, 205 - Stress relief groove. Detailed Implementation

[0045] In view of this, the core of this utility model is to provide a frame node structure for a trough solar collector, which can effectively improve the connection rigidity, installation accuracy and convenience of the node, reduce the assembly difficulty, and thus ensure the safety and reliability of the solar frame during long-term operation.

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model. Please refer to... Figures 1 to 12 .

[0047] Please refer to Figures 1-9The parabolic trough solar collector frame node structure disclosed in this embodiment includes a frame tube 100 and a node assembly 200, which are detachably connected. The node assembly 200 includes one or more node connection portions. The end of the frame tube 100 is provided with multiple first grooves 101 and first protrusions 102, with each first protrusion 102 positioned between any two adjacent first grooves 101. The node connection portion is provided with multiple second grooves 203 and second protrusions 204, with each second protrusion 204 positioned between any two adjacent second protrusions 204. The first grooves 101 and second protrusions 204 are matched one-to-one, and the second grooves 203 and first protrusions 102 are matched one-to-one.

[0048] Compared with the prior art, the trough solar collector frame node structure disclosed in this utility model embodiment has the following technical effects:

[0049] 1) The structural design of the frame fitting 100 and the node connection part enables the frame fitting 100 and the node connection part to achieve precise alignment and assembly, which can significantly reduce assembly difficulty and error, and improve the overall installation efficiency of the frame node structure.

[0050] 2) The frame node structure has a compact form, which can greatly reduce the space occupied, thereby improving the spatial adaptability during the installation process;

[0051] 3) The concave-convex fit of the frame pipe fitting 100 and the node assembly 200, as well as the detachable connection method, can effectively overcome the thermal deformation problem of traditional welded joints and greatly improve assembly efficiency and installation accuracy.

[0052] As a further embodiment, any node connection portion disclosed in this utility model embodiment is respectively inserted and mated with different frame pipe fittings 100, and the frame pipe fittings 100 are inserted inside the node connection portion. After the node connection portion and the frame pipe fitting 100 are inserted, the frame pipe fitting 100 and the node connection portion are then riveted together using rivets. This arrangement can effectively avoid welding heat deformation and residual stress problems, not only improving the connection rigidity between the node connection portion and the frame pipe fitting 100, but also improving its installation accuracy, thereby ensuring the stability of the connection between the node connection portion and the frame pipe fitting 100.

[0053] To further enhance the connection strength between the node connection and the frame pipe 100, the rivet disclosed in this embodiment of the utility model is also provided with a collar so that the node connection and the frame pipe 100 can be fastened.

[0054] To prevent pull-out damage to the pipe wall of the frame pipe fitting 100 and further improve the pull-out bearing capacity of the riveted joint, the inner wall of the frame pipe fitting 100 disclosed in this embodiment of the present invention is also provided with multiple reinforcing ribs.

[0055] In this embodiment of the invention, the specific arrangement of the reinforcing ribs is not limited. Any structure that meets the requirements of this invention is within the protection scope of this invention.

[0056] As a further embodiment, please refer to Figures 10-12 The node connection portion disclosed in this embodiment of the present invention is further provided with a plurality of stress relief grooves 205, which extend vertically from the edge of the node connection portion to a preset position of the node connection portion. This arrangement can change the stress distribution path, causing the stress to be dispersed around the stress relief grooves 205, reducing local stress peaks, thereby preventing the node connection portion from being damaged due to stress concentration.

[0057] This embodiment of the utility model does not limit the specific setting method of the stress relief groove 205. Any setting method that meets the usage requirements of this utility model is within the protection scope of this utility model. Those skilled in the art can choose the setting method of the stress relief groove 205 according to actual needs.

[0058] As one embodiment, the stress relief groove 205 disclosed in this utility model embodiment is disposed on the second protrusion 204.

[0059] In another embodiment, the stress relief groove 205 disclosed in this utility model embodiment is disposed on the second groove 203.

[0060] Of course, as another embodiment, the stress relief groove 205 disclosed in this utility model embodiment is simultaneously disposed on the second protrusion 204 and the second groove 203.

[0061] This utility model embodiment does not limit the specific structure of the node connection part. Any structure that meets the usage requirements of this utility model is within the protection scope of this utility model.

[0062] As one embodiment, the node connection portion disclosed in this utility model includes a main node connection portion 201 and multiple sub-node connection portions 202. Each sub-node connection portion 202 is disposed on the main node connection portion 201, and each sub-node connection portion 202 has the same or different preset angles with the main node connection portion 201. This configuration can accommodate different frame pipe fittings 100, thereby achieving effective connection between the node connection portion and different frame pipe fittings 100.

[0063] As a specific embodiment, the main node connection part 201 disclosed in this utility model embodiment includes a main node connection pipe 2011 and main node connection ends 2012 respectively disposed at both ends of the main node connection pipe 2011, and the main node connection ends 2012 are respectively connected to different frame pipe fittings 100.

[0064] The second groove 203 and the second protrusion 204 are both disposed on the main node connection end 2012.

[0065] To facilitate the connection between the main node connecting pipe 2011 and the main node connecting end 2012, the main node connecting pipe 2011 disclosed in this embodiment of the utility model has a polygonal structure, wherein each second groove 203 or second protrusion 204 is respectively provided corresponding to a polygonal surface of the main node connecting pipe 201.

[0066] As a specific embodiment, the sub-node connection part 202 disclosed in this utility model embodiment includes a sub-node connection pipe 2021 and a sub-node connection end 2022. One end of the sub-node connection pipe 2021 is connected to the main node connection pipe 2011, and the other end is connected to one end of the sub-node connection end 2022. The other end of the sub-node connection end 2022 is connected to the frame pipe fitting 100.

[0067] To facilitate the connection between the sub-node connecting pipe 2021 and the sub-node connecting end 2022, the sub-node connecting pipe 2021 disclosed in this embodiment of the utility model has a polygonal structure, wherein each second groove 203 or second protrusion 204 is respectively provided corresponding to one of the polygonal surfaces of the sub-node connecting pipe 2021.

[0068] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0069] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0070] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

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