Solar direct-current branch cable
By introducing components such as protective sleeves and reinforcing fibers into solar DC branch cables, the problem of the lack of protective structure in cables has been solved, thereby improving the safety and stability of the cables.
Patent Information
- Application Number
- CN202520517385.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
The existing solar DC branch cables lack protective structures, which affects the safety of the cables.
A solar DC branch cable was designed, comprising an adapter, connector, connector head, protective sleeve, reinforcing fiber, filler layer, and wound wire. The reinforcing fiber is composed of glass fiber, and the filler layer is composed of insulating material. These components improve the tensile strength and insulation performance of the cable.
It improves the tensile strength and insulation performance of the cable, ensures the smooth transmission of current and power, and enhances the safety of the cable.
Smart Images

Figure CN223956343U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solar cable technical field, concretely is a solar direct current branch cable. BACKGROUND
[0002] The increasingly wide application of solar power generation technology also brings opportunities to the photovoltaic cable industry related to it. Since solar systems are often used in harsh environmental conditions, photovoltaic cables must withstand harsh weather conditions, require mechanical impact resistance to strong winds and heavy rains, resist ultraviolet and ozone corrosion, and withstand wide temperature changes.
[0003] The patent document CN221200778U discloses a pre-branch cable, which comprises a pre-branch cable outer sleeve, a cable core is arranged in the pre-branch cable outer sleeve, a roller bearing sleeve is arranged on the lower side of the outer surface of the pre-branch cable outer sleeve and connected with the pre-branch cable outer sleeve through a roller bearing, and an electrical sleeve is movably arranged on the outer surface of the cable core and connected with the cable core through an electrical wire.
[0004] The above-mentioned solar direct current branch cable lacks a protective structure inside, which affects the safety of the cable. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a solar direct current branch cable to solve the technical problem that the solar direct current branch cable lacks a protective structure inside in the prior art, which affects the safety of the cable.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a solar direct current branch cable, comprising an adapter, a connecting port is installed on the outer side of the adapter, a connecting head is movably connected to the inner side of the connecting port, a cable assembly is installed on one end of the connecting head, the cable assembly comprises a protective sleeve connected to one end of the connecting head, a reinforcing fiber is installed on the inner side of the protective sleeve, a filling layer is installed on the inner side of the reinforcing fiber, a winding wire is installed on the inner side of the filling layer, and a main cable is installed on the inner side of the winding wire.
[0007] Preferably, one end of the cable assembly is provided with a shunt assembly, and the shunt assembly comprises an assembly shell connected to one end of the cable assembly.
[0008] Preferably, the two groups of assembly shells are butted together to form a protective shell, the inner side of the assembly shell is provided with a first clamping seat, the inner side of the assembly shell is provided with a shunt, one end of the shunt is provided with a first connecting port, the other end of the shunt is provided with a second connecting port, and the inner side of the assembly shell is provided with a second clamping seat.
[0009] Preferably, the front end and the rear end of the two groups of assembly shells are provided with connecting plates.
[0010] Preferably, the inner side of the two groups of connecting plates is provided with a connecting bolt rod.
[0011] Preferably, one side of the assembly shell is provided with a clamping groove.
[0012] Preferably, the inner side of the clamping groove is movably provided with a branch line.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. The utility model discloses a filling layer is installed, one end of the connecting head is connected with the protective sleeve, the protective sleeve is fixed to the inner side reinforcing fiber, the reinforcing fiber is composed of glass fiber, the tensile strength is improved through the reinforcing fiber, the inner side filling layer is fixed to the reinforcing fiber, the filling layer is composed of insulating material, the insulating performance of the cable is improved, and the safety of the cable is guaranteed.
[0015] 2. The utility model discloses a shunt assembly is installed, one end of the cable assembly is connected with the shunt assembly, one end of the shunt assembly is connected with three branch lines, power transmission is convenient, the inner side cable assembly is connected to the assembly shell, the cable assembly is inserted to the inner side of the first connecting port, the cable assembly is installed in the inner side of the first clamping seat, the first clamping seat is convenient for the inner side cable assembly limit support, guarantees the stable transmission of cable assembly, the branch line is inserted to the inner side of the clamping groove, the branch line is installed in the inner side of the second clamping seat, the branch line is installed in the inner side of the second connecting port, and the stable transmission of electric current is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the front structure schematic drawing of the utility model;
[0017] Figure 2 It is the adapter structure schematic drawing of the utility model;
[0018] Figure 3 It is the protective sleeve structure schematic drawing of the utility model;
[0019] Figure 4 It is the connecting head structure schematic drawing of the utility model;
[0020] Figure 5 It is the shunt structure schematic drawing of the utility model.
[0021] In the figure: 1, adapter; 2, connecting port; 3, connecting head; 4, protective sleeve; 5, reinforcing fiber; 6, filling layer; 7, winding wire; 8, main cable; 9, assembly shell; 10, connecting plate; 11, branch line; 12, connecting bolt rod; 13, shunt; 14, first connecting port; 15, first card seat; 16, second connecting port; 17, second card seat. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] In the description of the utility model, it is necessary to explain that unless there are explicit provisions and limitations, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 , the utility model provides an embodiment: a kind of solar direct current branch cable, including adapter 1, connecting port 2 is installed on the outside of the adapter 1, connecting head 3 is movably connected in the inside of the connecting port 2, the one end of the connecting head 3 is installed with cable assembly, the cable assembly includes the protective sleeve 4 connected with the one end of connecting head 3, the inside of the protective sleeve 4 is installed with reinforcing fiber 5, the inside of the reinforcing fiber 5 is installed with filling layer 6, the inside of the filling layer 6 is installed with winding wire 7, the inside of the winding wire 7 is installed with main cable 8;
[0025] The outside of adapter 1 is fixedly connected with connecting port 2, the inside of connecting port 2 is movably connected with connecting head 3, the normal transmission of current is facilitated, the one end of connecting head 3 is connected with cable assembly, the one end of connecting head 3 is connected with protective sleeve 4, protective sleeve 4 is fixed to the inside reinforcing fiber 5, reinforcing fiber 5 is composed of glass fiber, the tensile strength is improved by reinforcing fiber 5, reinforcing fiber 5 is fixed to the inside filling layer 6, filling layer 6 is composed of insulating material, the insulating property of cable is improved, and main cable 8 is used for transmitting power.
[0026] One end of the cable assembly is provided with a shunt assembly, the shunt assembly comprises two groups of assembly shells 9 connected together to form a protective shell, a first clamping seat 15 is arranged on the inner side of the assembly shell 9, a shunt 13 is arranged on the inner side of the assembly shell 9, a first connecting port 14 is arranged on one end of the shunt 13, a second connecting port 16 is arranged on the other end of the shunt 13, a second clamping seat 17 is arranged on the inner side of the assembly shell 9, and connecting plates 10 are arranged on the front end and the rear end of the two groups of assembly shells 9. Connecting bolts 12 are arranged on the inner side of the two groups of connecting plates 10, a clamping groove is formed on one side of the assembly shell 9, and branch wires 11 are movably arranged in the clamping groove.
[0027] One end of the cable assembly is connected with the shunt assembly, one end of the shunt assembly is connected with three groups of branch wires 11, which facilitates power transmission, the assembly shell 9 is connected with the inner side cable assembly, the cable assembly is inserted into the inner side of the first connecting port 14, the cable assembly is arranged in the inner side of the first clamping seat 15, which facilitates the first clamping seat 15 to limit and support the inner side cable assembly, ensures the stable transmission of the cable assembly, the branch wire 11 is inserted into the inner side of the clamping groove, the branch wire 11 is arranged in the inner side of the second clamping seat 17, and the branch wire 11 is arranged in the inner side of the second connecting port 16, which ensures the stable transmission of the current.
[0028] The assembly shell 9 fixes the outer side connecting plate 10 to ensure the stability of the connecting plate 10, and the connecting plate 10 limits the inner side connecting bolt 12, and the connecting bolt 12 connects the connecting plate 10 to ensure the stability of the connecting plate 10.
[0029] Working principle: the outer side of the adapter 1 is fixedly connected with the connecting port 2, the inner side of the connecting port 2 is movably connected with the connecting head 3, which facilitates the normal transmission of the current, one end of the connecting head 3 is connected with the cable assembly, one end of the connecting head 3 is connected with the protective sleeve 4, the protective sleeve 4 fixes the inner side reinforcing fiber 5, the reinforcing fiber 5 is composed of glass fiber, the tensile strength is improved through the reinforcing fiber 5, the reinforcing fiber 5 fixes the inner side filling layer 6, the filling layer 6 is composed of insulating material, the insulating performance of the cable is improved, the main cable 8 is used for transmitting power, one end of the cable assembly is connected with the shunt assembly, one end of the shunt assembly is connected with three groups of branch wires 11, which facilitates power transmission, the assembly shell 9 is connected with the inner side cable assembly, the cable assembly is inserted into the inner side of the first connecting port 14, the cable assembly is arranged in the inner side of the first clamping seat 15, which facilitates the first clamping seat 15 to limit and support the inner side cable assembly, ensures the stable transmission of the cable assembly, the branch wire 11 is inserted into the inner side of the clamping groove, the branch wire 11 is arranged in the inner side of the second clamping seat 17, and the branch wire 11 is arranged in the inner side of the second connecting port 16, which ensures the stable transmission of the current.
[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, no reference signs in the claims being regarded as limiting the claims concerned.
Claims
1. A solar DC branch cable, characterized by: The utility model provides an adapter (1), the outside of adapter (1) is equipped with connecting port (2), the inside of connecting port (2) is movably connected with connecting head (3), one end of connecting head (3) is equipped with cable assembly, and the cable assembly includes the protective sleeve (4) connected with one end of connecting head (3), the inside of protective sleeve (4) is equipped with reinforcing fiber (5), the inside of reinforcing fiber (5) is equipped with filling layer (6), the inside of filling layer (6) is equipped with winding electric wire (7), and the inside of winding electric wire (7) is equipped with main cable (8).
2. A solar DC branch cable according to claim 1, characterized in that: One end of the cable assembly is equipped with a shunt assembly, which includes an assembly shell (9) connected to one end of the cable assembly.
3. A solar DC branch cable according to claim 2, characterized in that: Two sets of the assembly shell (9) are butted together to form a protective shell, a first clamping seat (15) is installed on the inner side of the assembly shell (9), a shunt piece (13) is installed on the inner side of the assembly shell (9), a first connecting port (14) is installed on one end of the shunt piece (13), a second connecting port (16) is installed on the other end of the shunt piece (13), and a second clamping seat (17) is installed on the inner side of the assembly shell (9).
4. A solar DC branch cable according to claim 2, characterized in that: The front end and the rear end of the two sets of assembly shell (9) are equipped with connecting plates (10).
5. A solar DC branch cable according to claim 4, characterized in that: The inner side of the two sets of connecting plates (10) is equipped with connecting bolt rods (12).
6. A solar DC branch cable according to claim 2, characterized in that: One side of the assembly shell (9) is provided with a clamping groove.
7. A solar DC branch cable according to claim 6, characterized in that: The inner side of the clamping groove is movably equipped with a branch line (11).
Citation Information
Patent Citations
Pre-branched cable
CN221200778U