New energy photovoltaic intelligent cable

By designing connection and protection mechanisms for photovoltaic cables, the connection problem when the cable length is insufficient is solved, the service life and bending resistance of the cable are improved, and reliable cable connection and heat dissipation effects are achieved.

CN121483741APending Publication Date: 2026-02-06KUNMING SANCHUAN WIRE & CABLE CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202511484117.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-17
Publication Date
2026-02-06

AI Technical Summary

Technical Problem

When existing smart photovoltaic cables for new energy are used, multiple cables need to be connected when the cable length is insufficient. The connection point cannot guarantee the normal use of the cable protective layer, which affects the overall service life of the cable.

Method used

A smart photovoltaic cable for new energy was designed, comprising cable assemblies, connection mechanisms, and protection mechanisms. The cable achieves reliable connection through structures such as connecting rings, plug slots, threaded cylinders, and hollow cylinders, and utilizes coolant for heat dissipation, thereby enhancing the cable's high-temperature resistance and bending resistance.

Benefits of technology

This achieves reliable cable connection, improves cable service life and bending resistance, avoids high-temperature fracture at the connection point, and enhances the overall performance of the cable.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121483741A_ABST
    Figure CN121483741A_ABST
Patent Text Reader

Abstract

The invention discloses a new energy photovoltaic intelligent cable, and relates to the technical field of photovoltaic cables, the new energy photovoltaic intelligent cable comprises two corresponding photovoltaic cables, the interior of each photovoltaic cable is provided with a cable assembly, one side of each photovoltaic cable is provided with a connection mechanism, the surface of one photovoltaic cable is provided with a protection mechanism, and the surface of the other photovoltaic cable is provided with a protection mechanism. The protection mechanism comprises a hollow cylinder installed on the surface of one photovoltaic cable, and the hollow cylinder corresponds to the photovoltaic cable. Through the arrangement of structures such as the photovoltaic cable, the cable assembly, the connecting mechanism, the protection mechanism and the connecting groove, the corresponding photovoltaic cable is inserted into the hollow cylinder, a steel bar is pulled to drive one side of the hollow cylinder to contract, and the hollow cylinder is fixedly connected to the corresponding photovoltaic cable; heat dissipation treatment is performed on the joint of the two photovoltaic cables, so that the problem that the service life of the cable is shortened due to fault of high temperature resistance and the like when a plurality of cables are connected is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention belongs to the field of photovoltaic cable technology, and in particular relates to a new energy photovoltaic smart cable. Background Technology

[0002] Photovoltaic cables, also known as solar cables, are cables specifically designed to connect solar panels, inverters, and other photovoltaic system components. They play a crucial role in solar photovoltaic power generation systems. The characteristics of photovoltaic cables are determined by their specialized insulation and sheath materials. After being irradiated by an accelerator, the molecular structure of the cable material changes, thereby providing its various performance characteristics, such as resistance to mechanical loads. In fact, during installation and maintenance, the cables can be laid on the sharp edges of roof structures, and the cables must withstand pressure, bending, tension, cross tensile loads, and strong impacts.

[0003] A search revealed Chinese Patent No. CN220913941U, which discloses a cable comprising a filler layer, conductors, a first sheath, a shielding layer, and a second sheath arranged sequentially from the inside to the outside along the radial direction of the cable. Multiple conductors are arranged circumferentially outside the filler layer. The filler layer includes a first aramid bundle and an insulating layer covering the first aramid bundle. The tensile strength of both the first aramid bundle and the insulating layer is greater than the tensile strength of the conductors. The insulating layer prevents the first aramid bundle from embedding into the gaps between the conductors. The cable provided in this application, by incorporating a filler layer, can improve the cable's bending resistance.

[0004] However, the aforementioned patents have the following problems:

[0005] Although the bending resistance of cables is improved by adding filler layers and other structures, most existing cables are generally installed in a distributed manner. Due to the limitations of photovoltaic power generation equipment and installation sites, the cable length may be insufficient to connect two photovoltaic power generation equipment, thus requiring the connection of multiple cables to extend the cable length for connection and installation of two photovoltaic power generation equipment. However, in the process of connecting multiple cables, the normal use of the cable protective layer cannot be guaranteed at the cable connection point, which affects the overall use of the cable and reduces the service life of the cable. Therefore, a new type of smart cable for new energy photovoltaics is proposed. Summary of the Invention

[0006] The purpose of this invention is to provide a smart new energy photovoltaic cable, which solves the problem that existing smart new energy photovoltaic cables may have insufficient cable length during use, requiring the connection of multiple cables. However, during the connection of multiple cables, the cable protective layer cannot be guaranteed to function properly at the cable connection point, thus affecting the overall use of the cable and reducing its service life.

[0007] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0008] This invention relates to a smart photovoltaic cable for new energy, comprising two corresponding photovoltaic cables, wherein a cable assembly is installed inside the photovoltaic cable, a connecting mechanism is installed on one side of the photovoltaic cable, and a protective mechanism is installed on the surface of one of the photovoltaic cables.

[0009] The protective mechanism includes a hollow cylinder installed on the surface of one of the photovoltaic cables, the hollow cylinder corresponding to the photovoltaic cable, a mounting block fixedly connected to the surface of the hollow cylinder, a fixing box fixedly connected to the surface of the mounting block, a steel bar fixedly connected to one side of the mounting block, the steel bar corresponding to the fixing box, a fixing bolt threadedly connected to the surface of the fixing box, the fixing bolt corresponding to the steel bar and the fixing box, a sealing plug threadedly connected to one side of the surface of the hollow cylinder, the hollow cylinder being made of an elastic material, and the steel bar slidably connected to the surface of the hollow cylinder, corresponding to the hollow cylinder.

[0010] Furthermore, the connecting mechanism includes a connecting rod installed on one side of the cable assembly, the surface of which is threaded, and the connecting mechanism also includes a threaded cylinder fixedly connected to the other side of the cable assembly, the threaded cylinder corresponding to the cable assembly.

[0011] Furthermore, the connection mechanism also includes a connecting ring fixedly connected to one side of the photovoltaic cable, and a plug slot is provided on the other side of the photovoltaic cable. The connecting ring corresponds to the plug slot, and the two photovoltaic cables are connected through the connecting ring, the plug slot and the protective mechanism.

[0012] Furthermore, the photovoltaic cable includes an outer insulation layer, a shielding layer fixedly connected inside the outer insulation layer, a flame-retardant and high-temperature resistant layer fixedly connected to one side of the shielding layer and fixedly connected to the outer insulation layer, a filling layer corresponding to the outer insulation layer fixedly connected inside the flame-retardant and high-temperature resistant layer, and a shock-absorbing layer fixedly connected inside the filling layer.

[0013] Furthermore, the cable assembly includes a clamping block fixedly connected to the inner wall of the outer insulation layer. The clamping block has wire cores fixedly connected in a ring array inside. A support frame is fixedly connected to the opposite sides of several wire cores. The support frame is installed inside the outer insulation layer.

[0014] Furthermore, the hollow cylinder is fixedly connected to the surface of the outer insulation layer, the connecting rod is fixedly connected to one side of the support frame, the threaded cylinder is fixedly connected to the other side of the support frame, the threaded cylinder corresponds to the outer insulation layer, and the connecting ring and the insertion groove are respectively installed on both sides of the outer insulation layer.

[0015] Furthermore, the hollow cylinder is provided with coolant, and a connecting groove is provided on the other side of the support frame. The threaded cylinder corresponds to the connecting groove, the connecting rod corresponds to the connecting groove, and the thread corresponds to the threaded cylinder.

[0016] The present invention has the following beneficial effects:

[0017] 1. By setting up structures such as photovoltaic cables, cable assemblies, connecting mechanisms, protective mechanisms, and connecting grooves, a connecting ring is inserted into the insertion groove, bringing the two outer insulation layers closer together. This allows the connecting rod to be inserted into the connecting groove and the threaded cylinder. Rotating one of the outer insulation layers causes the threads on the connecting rod to connect with the threads on the threaded cylinder, completing the connection of the two photovoltaic cables. The corresponding photovoltaic cable is then inserted into the hollow cylinder. Pulling the steel bar causes one side of the hollow cylinder to contract, fixing the hollow cylinder to the corresponding photovoltaic cable. Furthermore, the use of coolant provides heat dissipation at the connection point of the two photovoltaic cables, preventing the high-temperature resistance of multiple cable connections from decreasing due to discontinuity, thus reducing the cable's service life. This solves the problem in existing technologies where insufficient cable length necessitates connecting multiple cables, but the cable connection point cannot guarantee the normal use of the cable protective layer, affecting the overall cable performance and reducing its service life.

[0018] 2. By setting up structures such as photovoltaic cables, cable assemblies, connection mechanisms, protective mechanisms, and connection grooves, the photovoltaic cables are multi-layered, which improves their high-temperature resistance and other properties. Furthermore, the cooperation between the filling layer and the shock-absorbing layer gives the photovoltaic cables high tensile strength and toughness, improving their bending resistance. This reduces the risk of breakage even after multiple bends. In addition, the setting of support frames and clamping blocks makes the core more stable during use, solving the problem of poor bending resistance in existing cables, which makes the cables prone to breakage due to bending stress.

[0019] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the second embodiment of the present invention;

[0023] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0024] Figure 4 This is a schematic diagram showing the positional relationship between the cable assembly and the photovoltaic cable of the present invention;

[0025] Figure 5 This is a schematic diagram showing the positional relationship of the protective mechanism and other components of the present invention;

[0026] Figure 6 This is a schematic diagram showing the positional relationship between the steel bars and the fixing box of the present invention;

[0027] Figure 7 For the present invention Figure 3 Enlarged structural diagram at point A in the middle.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1. Photovoltaic cable; 101. Outer insulation layer; 102. Shielding layer; 103. Flame-retardant and high-temperature resistant layer; 104. Filler layer; 105. Shock-absorbing layer; 2. Cable assembly; 201. Clamping block; 202. Core wire; 203. Support frame; 3. Connection mechanism; 301. Connecting rod; 302. Threaded cylinder; 303. Connecting ring; 304. Insertion groove; 4. Protective mechanism; 401. Hollow cylinder; 402. Mounting block; 403. Fixing box; 404. Steel bar; 405. Fixing bolt; 406. Sealing plug; 5. Connection groove. Detailed Implementation

[0030] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses consistent with some aspects of this disclosure as detailed in the appended claims.

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0032] Please see Figures 1-7As shown, this invention relates to a new energy photovoltaic smart cable, comprising two corresponding photovoltaic cables 1. Each photovoltaic cable 1 includes an outer insulation layer 101, with a shielding layer 102 fixedly connected inside the outer insulation layer 101. The outer insulation layer 101 and the shielding layer 102 enhance the safety of the photovoltaic cable 1 during use. A flame-retardant and high-temperature resistant layer 103 is fixedly connected to one side of the shielding layer 102 and to the outer insulation layer 101. The flame-retardant and high-temperature resistant layer 103 improves the high-temperature resistance of the photovoltaic cable 1. A filling layer 104, corresponding to the outer insulation layer 101, is fixedly connected inside the flame-retardant and high-temperature resistant layer 103. A shock-absorbing layer 105 is fixedly connected inside the filling layer 104. The cooperation between the filling layer 104 and the shock-absorbing layer 105 gives the photovoltaic cable 1 high tensile strength and toughness. This improves the bending resistance of the photovoltaic cable 1, reducing the risk of breakage when the photovoltaic cable 1 is subjected to multiple bends. The photovoltaic cable 1 is equipped with a cable assembly 2. The cable assembly 2 includes a clamping block 201 fixedly connected to the inner wall of the outer insulation layer 101. The clamping block 201 has wire cores 202 fixedly connected in a ring array inside. Several wire cores 202 are fixedly connected to the opposite sides of the support frame 203. The support frame 203 is installed inside the outer insulation layer 101. Through the cooperation between the clamping block 201 and the support frame 203, the wire cores 202 are more stable during use. A connecting mechanism 3 is installed on one side of the photovoltaic cable 1. The connecting mechanism 3 includes a connecting rod 301 installed on one side of the cable assembly 2. The connecting rod 301 is fixedly connected to one side of the support frame 203. The surface of the connecting rod 301 is threaded.

[0033] The connecting mechanism 3 also includes a threaded cylinder 302 fixedly connected to the other side of the cable assembly 2. A connecting groove 5 is provided on the other side of the support frame 203. The threaded cylinder 302 corresponds to the connecting groove 5, the connecting rod 301 corresponds to the connecting groove 5, and the thread corresponds to the threaded cylinder 302. The threaded cylinder 302 is fixedly connected to the other side of the support frame 203, and corresponds to the outer insulation layer 101 and the cable assembly 2. The connecting mechanism 3 also includes a connecting ring 303 fixedly connected to one side of the photovoltaic cable 1. A insertion groove 304 is provided on the other side of the photovoltaic cable 1. The connecting ring 303 and the insertion groove... Correspondingly, when two new energy photovoltaic smart cables need to be spliced, the two photovoltaic cables 1 are brought close to each other, so that the connecting ring 303 is inserted into the inside of the insertion groove 304, thereby allowing the connecting rod 301 to be inserted into the inside of the threaded cylinder 302 and the connecting groove 5. The connecting ring 303 and the insertion groove 304 are respectively installed on both sides of the outer insulation layer 101. The two photovoltaic cables 1 are connected through the connecting ring 303, the insertion groove 304 and the protective mechanism 4. Through the setting of the thread, the corresponding photovoltaic cable 1 is rotated, so that the connecting rod 301 is threadedly connected to the threaded cylinder 302, thereby connecting the two photovoltaic cables 1.

[0034] A protective mechanism 4 is installed on the surface of one of the photovoltaic cables 1. The protective mechanism 4 includes a hollow cylinder 401 installed on the surface of one of the photovoltaic cables 1. The hollow cylinder 401 is fixedly connected to the surface of the outer insulation layer 101 and corresponds to the photovoltaic cable 1. The hollow cylinder 401 is filled with coolant. A mounting block 402 is fixedly connected to the surface of the hollow cylinder 401, and a fixing box 403 is fixedly connected to the surface of the mounting block 402. A steel bar 404 is fixedly connected to one side of the mounting block 402. When two photovoltaic cables 1 are close together, the corresponding photovoltaic cable 1 is inserted into the hollow cylinder 401. Then, the steel bar 404 is pulled, causing one side of the hollow cylinder 401 to contract, so that the hollow cylinder 401 fits against the corresponding photovoltaic cable 1. The steel bar 404 corresponds to the fixing box 403. The surface of the 03 is threaded with a fixing bolt 405, which corresponds to the steel bar 404 and the fixing box 403. By rotating the fixing bolt 405, one end of the fixing bolt 405 presses the steel bar 404 against the inside of the fixing box 403, thus fixing the steel bar 404 and fixing the two photovoltaic cables 1. A sealing plug 406 is threaded on one side of the surface of the hollow cylinder 401. The hollow cylinder 401 is made of elastic material. The steel bar 404 is slidably connected to the surface of the hollow cylinder 401. Through the setting of the sealing plug 406, coolant is added to the inside of the hollow cylinder 401, thereby improving the heat dissipation performance at the connection of the two photovoltaic cables 1 and avoiding the reduction of the high temperature resistance and other properties at the connection of multiple cables due to the break, which would lead to a reduction in the service life of the cables. The steel bar 404 corresponds to the hollow cylinder 401.

[0035] Specifically, when using this new energy photovoltaic smart cable: When two new energy photovoltaic smart cables need to be spliced, bring the two photovoltaic cables 1 close together so that the connecting ring 303 is inserted into the insertion slot 304, thereby allowing the connecting rod 301 to be inserted into the threaded cylinder 302 and the connecting groove 5. Through the threaded arrangement, rotate the corresponding photovoltaic cable 1 to connect the connecting rod 301 and the threaded cylinder 302, thus connecting the two photovoltaic cables 1. When the two photovoltaic cables 1 are close together, the corresponding photovoltaic cable 1 is inserted into the hollow cylinder 401. Then, pull the steel bar 404. The steel bar 404 causes one side of the hollow cylinder 401 to contract, making the hollow cylinder 401 fit against the corresponding photovoltaic cable 1. Then, the fixing bolt 405 is rotated, so that one end of the fixing bolt 405 presses the steel bar 404 against the inside of the fixing box 403, thus fixing the steel bar 404 and fixing the two photovoltaic cables 1. Furthermore, the sealing plug 406 adds coolant to the inside of the hollow cylinder 401, thereby improving the heat dissipation performance at the connection of the two photovoltaic cables 1 and preventing the high temperature resistance of the connection of multiple cables from being reduced due to the break, which would reduce the service life of the cables.

[0036] The outer insulation layer 101 and the shielding layer 102 make the photovoltaic cable 1 safer to use. The flame-retardant and high-temperature resistant layer 103 improves the high-temperature resistance of the photovoltaic cable 1. The combination of the filling layer 104 and the shock-absorbing layer 105 gives the photovoltaic cable 1 high tensile strength and toughness, improves the bending resistance of the photovoltaic cable 1, and reduces the risk of breakage when the photovoltaic cable 1 is subjected to multiple bends.

[0037] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

[0038] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of this disclosure is indicated by the following claims.

Claims

1. A smart photovoltaic cable for new energy, characterized in that: It includes two corresponding photovoltaic cables (1), a cable assembly (2) is installed inside the photovoltaic cable (1), a connecting mechanism (3) is installed on one side of the photovoltaic cable (1), and a protective mechanism (4) is installed on the surface of one of the photovoltaic cables (1). The protective mechanism (4) includes a hollow cylinder (401) installed on the surface of one of the photovoltaic cables (1). The hollow cylinder (401) corresponds to the photovoltaic cable (1). An installation block (402) is fixedly connected to the surface of the hollow cylinder (401). A fixing box (403) is fixedly connected to the surface of the installation block (402). A steel bar (404) is fixedly connected to one side of the installation block (402). The steel bar (404) corresponds to the fixing box (403). A fixing bolt (405) is threadedly connected to the surface of the fixing box (403). The fixing bolt (405) corresponds to the steel bar (404) and the fixing box (403). A sealing plug (406) is threadedly connected to one side of the surface of the hollow cylinder (401). The hollow cylinder (401) is made of an elastic material. The steel bar (404) is slidably connected to the surface of the hollow cylinder (401). The steel bar (404) corresponds to the hollow cylinder (401).

2. The new energy photovoltaic smart cable according to claim 1, characterized in that, The connecting mechanism (3) includes a connecting rod (301) installed on one side of the cable assembly (2), the surface of the connecting rod (301) is threaded, and the connecting mechanism (3) also includes a threaded cylinder (302) fixedly connected to the other side of the cable assembly (2), the threaded cylinder (302) corresponding to the cable assembly (2).

3. The new energy photovoltaic smart cable according to claim 2, characterized in that, The connecting mechanism (3) further includes a connecting ring (303) fixedly connected to one side of the photovoltaic cable (1), and a plug groove (304) is provided on the other side of the photovoltaic cable (1). The connecting ring (303) corresponds to the plug groove (304), and the two photovoltaic cables (1) are connected through the connecting ring (303), the plug groove (304) and the protective mechanism (4).

4. The new energy photovoltaic smart cable according to claim 3, characterized in that, The photovoltaic cable (1) includes an outer insulation layer (101), a shielding layer (102) is fixedly connected inside the outer insulation layer (101), a flame-retardant and high-temperature resistant layer (103) is fixedly connected to one side of the shielding layer (102) and fixedly connected to the outer insulation layer (101), a filling layer (104) corresponding to the outer insulation layer (101) is fixedly connected inside the flame-retardant and high-temperature resistant layer (103), and a shock-absorbing layer (105) is fixedly connected inside the filling layer (104).

5. A new energy photovoltaic smart cable according to claim 4, characterized in that, The cable assembly (2) includes a clamping block (201) fixedly connected to the inner wall of the outer insulation layer (101). The clamping block (201) has wire cores (202) fixedly connected in a ring array inside. Several wire cores (202) are fixedly connected to a support frame (203) on opposite sides. The support frame (203) is installed inside the outer insulation layer (101).

6. A new energy photovoltaic smart cable according to claim 5, characterized in that, The hollow cylinder (401) is fixedly connected to the surface of the outer insulation layer (101), the connecting rod (301) is fixedly connected to one side of the support frame (203), the threaded cylinder (302) is fixedly connected to the other side of the support frame (203), the threaded cylinder (302) corresponds to the outer insulation layer (101), and the connecting ring (303) and the insertion groove (304) are respectively installed on both sides of the outer insulation layer (101).

7. A new energy photovoltaic smart cable according to claim 6, characterized in that, The hollow cylinder (401) is filled with coolant, and the other side of the support frame (203) is provided with a connecting groove (5). The threaded cylinder (302) corresponds to the connecting groove (5), the connecting rod (301) corresponds to the connecting groove (5), and the thread corresponds to the threaded cylinder (302).

Citation Information

Patent Citations

  • Cable

    CN220913941U