Flat Transition Cable Connectors for Door Gap PV Routing
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Solution Overview
Problem
Conventional photovoltaic systems face safety hazards and installation/maintenance challenges due to cables being squeezed or worn when passing through doors or windows, leading to high construction costs and difficult cable dismounting.
Innovation Solution
A transition cable with insertion connectors at both ends, allowing quick dismounting and featuring a flat design that can run through gaps in doors or windows, along with colored sheaths for easy damage identification and electrical protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cable is used to connect outdoor photovoltaic module to indoor home grid through doors or windows, then the photovoltaic system can be installed, but the cable is apt to be squeezed or worn due to opening or closing of the door or window, leading to safety hazards
Solution Approach 1:
The cable connection system is segmented into modular components with insertion connectors at both ends of the transition cable, allowing the cable to be divided into separable sections that can be independently replaced if damaged, rather than requiring replacement of the entire cable run
Solution Approach 2:
The cable routing is made dynamic by allowing the transition cable to be easily removed and reinstalled through the use of insertion connectors, enabling the system to adapt to door or window openings and closings without fixed constraints that would cause squeezing and wear
2Ease of repair
If the cable is fixed to run from outdoors to indoors, then the photovoltaic system can operate, but the cable is difficult to dismount for maintenance
Solution Approach 1:
The cable is segmented into modular sections with insertion connectors at both ends of the transition cable, enabling easy separation and reconnection of cable segments for maintenance purposes without requiring complex disassembly procedures
Solution Approach 2:
The insertion connectors are pre-configured with contactless connection structures that guide the connection process, allowing maintenance personnel to quickly disconnect and reconnect cables without requiring preliminary preparation or complex alignment procedures
3Difficulty of detecting and measuring
If conventional cable structures are used, then the cable can transmit electricity, but the damaged cable cannot be easily identified
Solution Approach 1:
The cable sheath incorporates color-coded identification rings or colored segments at regular intervals or at connector locations, allowing maintenance personnel to quickly identify damaged sections by visual inspection of color patterns, significantly reducing the time required to locate and assess cable damage
Data Source
Figure 1~3
AI summary
A photovoltaic system and a transition cable are provided. The photovoltaic system includes a photovoltaic module, an inverter, a transition cable, and a power supply connector. One end of the inverter is electrically connected to the photovoltaic module, and another end of the inverter is provided with a power generation end insertion connector. Both ends of the transition cable are provided with a first insertion connector and a second insertion connector, respectively. The first insertion connector is connected to the power generation end insertion connector by insertion, and the transition cable is configured to run from outdoors to indoors. One end of the power supply connector is provided with a power supply end insertion connector, and the second insertion connector is connected to the power supply end insertion connector by insertion. According to the photovoltaic system and the transition cable in the present application, each of the both ends of the transition cable is provided with the insertion connector, and the transition cable runs from outdoors to indoors, which makes the transition cable can be quickly dismounted, thereby facilitating maintenance of the photovoltaic system. Moreover, the transition cable with the specific structure runs from outdoors to indoors, which makes the installation of the photovoltaic system more convenient.