Electricity Meter Nameplate Protection via Nested Drawer Structure
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Solution Overview
Problem
Conventional electricity meters face challenges in maintaining accuracy and security due to complex production processes for different sub-models and concerns about tampering with engraved information.
Innovation Solution
The design incorporates a drawer-like structure with a nameplate inside, protected by a cover that is securely attached using a fastener passing through a cylindrical hole and a hollow cylindrical protrusion, ensuring accurate and tamper-proof meter readings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If laser engraving or silk-screening is used to create the nameplate, then the information can be marked on the nameplate, but the engraved text can be polished off with sandpaper and tampering is a significant concern
Solution Approach 1:
The patent embeds the nameplate within a sealed cavity structure of the meter body, creating a nested configuration where the nameplate is housed inside a protective enclosure. This nesting approach physically protects the nameplate from external tampering while maintaining information visibility through the transparent cover.
Solution Approach 2:
The patent extracts the nameplate from the external surface and places it inside a sealed cavity, separating the information-bearing element from the external environment. This extraction eliminates direct access to the nameplate for potential tampering while preserving information integrity.
2Adaptability or versatility
If different sub-models require different engraved or silk-screened content, then specific information can be displayed for each model, but the production process becomes complex
Solution Approach 1:
The patent adopts printing technology that can vary text and graphical parameters digitally, allowing different sub-models to have customized information displayed without changing the physical production process. This parameter-based approach enables flexible customization while maintaining a standardized manufacturing workflow.
Solution Approach 2:
The patent replaces the mechanical engraving or silk-screening processes with digital printing technology. This substitution eliminates the need for different mechanical setups for different sub-models, as digital printing can be programmed to produce various content on the same production line.
3Ease of operation
If the nameplate is exposed on the meter surface, then information is visible, but the nameplate is vulnerable to tampering or damage
Solution Approach 1:
The patent places the nameplate inside a sealed cavity within the meter body, creating a nested structure that protects the nameplate from external harm. The transparent cover of the cavity maintains visibility while providing physical protection against tampering and environmental damage.
Solution Approach 2:
The patent extracts the nameplate from the external surface and relocates it to a protected internal cavity, separating the vulnerable information element from harmful external factors while maintaining accessibility through the transparent cover.
Data Source
AI summary
The present invention relates to an electricity meter with a unique structure to prevent tampering and damage to the nameplate. The meter comprises a drawer-like structure with an opening, a nameplate positioned within the drawer-like structure, and a cover fixed to the drawer-like structure over the opening. The cover is designed to protect the nameplate from any external factors that could potentially damage or tamper with it. This innovative design ensures the accuracy and reliability of the electricity meter, preventing any interference with the nameplate. The design can be adapted to various types of electricity meters, making it an essential feature for maintaining the integrity of the meter.