Star Circuit Stack Spark Gap Arrangement
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Solution Overview
Problem
Existing stack spark gap arrangements face issues with tensile forces during overvoltage, limited electrode count due to housing constraints, and inefficient mechanical and electrical connection methods, leading to twisting and reduced flexibility.
Innovation Solution
The arrangement features three stack spark gaps positioned parallel to each other between two clamping elements, connected via an electrically conductive connecting element, forming a star circuit with insulated connection sides and conductive opposite ends, allowing flexible electrode and insulator configuration and distributing tensile forces effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If stack spark gaps are embedded in a plastic housing and connected via metal plates guided by guides, then the structure is mechanically stable, but tensile forces during overvoltage cause twisting and the number of electrodes is limited by housing recess size
Solution Approach 1:
The invention divides the spark gap assembly into modular stack spark gaps that can be independently configured. Each stack spark gap consists of multiple electrodes and insulating elements that can be arranged in series to achieve different voltage ratings and electrode counts, eliminating the limitation of fixed housing recesses while maintaining mechanical stability through the modular clamping structure.
Solution Approach 2:
The patent employs a nested arrangement where multiple electrodes and insulating elements are stacked within each other to form compact stack spark gaps. These nested structures can be further nested within the clamping element assembly, allowing high electrode counts in limited space without requiring proportionally larger housing recesses.
2Device complexity
If multiple stack spark gaps are connected in a star circuit with all connections at one point, then the electrical connection is simplified, but the mechanical structure becomes complex and requires precise alignment
Solution Approach 1:
The clamping element assembly serves multiple functions simultaneously: it provides mechanical support for the stack spark gaps, establishes electrical connections through conductive portions, and enables star circuit configuration. This multi-functional design simplifies the overall structure by eliminating separate mounting and connection components, making installation easier while maintaining electrical simplicity.
Solution Approach 2:
The invention merges the mechanical clamping function with the electrical connection function into a single integrated clamping element assembly. The conductive portions of the clamping elements directly establish electrical contacts with the electrodes, combining what would traditionally be separate mechanical and electrical components into one unified structure that simplifies both design and installation.
3Volume of stationary object
If the number of individual electrodes is limited by housing recess size, then the housing remains compact, but the surge protection capability is reduced
Solution Approach 1:
The invention replaces the rigid housing with flexible or removable clamping element assemblies that can be easily adjusted or replaced. This allows the system to accommodate varying numbers of electrodes and configurations without requiring different housing sizes, maintaining compact form factor while enabling flexible surge protection capability adaptation to different application requirements.
Solution Approach 2:
The clamping element assembly provides dynamic adaptability, allowing the system to be easily reconfigured by adding or removing stack spark gaps. The modular design enables the surge protection capability to be dynamically adjusted to match different voltage requirements and protection levels without being constrained by fixed housing dimensions.
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
This configuration enhances mechanical stability, increases the number of electrodes and insulators, and simplifies installation while maintaining efficient electrical connections, reducing installation costs and preventing twisting during overvoltage events.
Implementation Method 1
the at least one connecting element is electrically conductive. As a result of both the connecting element and the clamping elements that are connected to one another by the connecting element being electrically conductive, the two clamping elements are connected to one another electrically via the connecting element
Implementation Method 2
an insulator is arranged between the connection side of any stack spark gap and the clamping element that is arranged on the connection side, so that the connection side of the stack spark gap is insulated electrically from the associated, i.e., the adjacent, clamping element
Implementation Method 3
the stack spark gaps provide the surge diverter, which when a threshold voltage is exceeded—in equipment protection, generally a voltage above the operational voltage of a connected device but below the insulation strength with regard to surge voltages of this device—becomes conductive in fractions of a second and thus diverts the surge that is triggered
Data Source
AI summary
An arrangement of stack spark gaps, whereby a stack spark gap has multiple electrodes and insulating elements that are arranged between the electrodes, with a first electrically conductive clamping element and a second electrically conductive clamping element, whereby the two clamping elements are arranged opposite to the front ends of the stack spark gaps, with at least one connecting element, by which the two clamping elements are connected to one another, and with connection elements for electrical connection to the stack spark gaps. A device is provided for holding the stack spark gaps together and having them make contact. Three stack spark gaps are arranged beside one another between the two clamping elements, at least one of which is electrically conductive, and the two clamping elements are connected to one another electrically via the connecting element and are arranged with the spark gaps so as to form a star circuit.