Busbar Power Supply Apparatus with Integrated AC/DC Conversion
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Solution Overview
Problem
Conventional busbar power supply systems are cumbersome and time-consuming to connect, pose safety risks during installation due to lack of touch safety, and inefficiently utilize available space.
Innovation Solution
A busbar power supply apparatus with integrated AC/DC power conversion, touch-safe protection, and modular design, featuring AC and DC interfaces, internal fuses, and communication capabilities, allowing for reliable and efficient power supply with plug-and-play assembly and space optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate fuses and clamping units are used for each power supply connection, then reliable electrical connection is achieved, but installation time and complexity increase significantly
Solution Approach 1:
The patent combines multiple separate protective and connecting components (fuses, clamping units, insulation elements) into an integrated busbar power supply apparatus. The housing encloses pre-assembled fuse holders and connection terminals, allowing the entire power supply unit to be connected to the busbar as a single modular component rather than assembling multiple separate parts during installation.
Solution Approach 2:
The fuse holders, connection terminals, and insulation elements are pre-assembled and pre-configured within the housing during manufacturing. This preliminary assembly ensures that all electrical connections are pre-verificed for correctness, and the entire unit can be installed as a ready-to-use module without requiring on-site assembly of multiple separate components.
2Object-affected harmful factors
If AC power mains voltage supply is interrupted during assembly, then technician safety is improved, but installation process is delayed
Solution Approach 1:
All electrical connections and protective components are pre-assembled and pre-verified during manufacturing before the unit is shipped. The housing encloses all live electrical components in a standardized configuration that can be safely connected to the busbar system without requiring the AC power to be interrupted, as the modular design ensures inherent safety through proper insulation and protective barriers.
Solution Approach 2:
The housing serves as an intermediary protective barrier between the technician and the live electrical components. It includes integrated insulation elements and protective barriers that isolate dangerous voltages, allowing the unit to be connected to powered busbars without exposing the technician to electrical hazards.
3Reliability
If conventional separate connection method is used, then each connection can be individually secured, but space utilization efficiency decreases
Solution Approach 1:
Multiple separate connection components including fuse holders, connection terminals, and insulation elements are merged into a single compact housing unit. This integration maintains all necessary connection points and protective features while occupying significantly less space than if each component were installed separately on the busbar system.
Solution Approach 2:
The housing serves multiple functions simultaneously: it provides mechanical support for multiple electrical connections, houses protective fuses, provides insulation, and offers structural mounting capability. This multi-functionality consolidates what would otherwise require multiple separate components into a single space-efficient unit.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates quick, safe, and reliable connection of electrical devices, ensuring touch-safe operation and efficient use of space by converting AC to DC power within the apparatus, reducing installation time and risk, and enabling flexible power management and communication within automation systems.
Implementation Method 1
converted by an integrated AC/DC power conversion unit into a DC power supply voltage
Data Source
Figure 1
Figure 2
Figure 3A
AI summary
A busbar power supply apparatus (1) comprising at a rear side of its housing (2) an AC interface (7) with electrical contacts (8) configured to establish an electrical connection with AC busbars (6) of a busbar system to receive AC mains voltages (L) converted by an integrated AC/DC power conversion unit (11) into a DC power supply voltage applied to at least one DC interface (3) of said busbar power supply apparatus (1).