Electrically Triggered Fire-Extinguishing Device for Enclosures
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Solution Overview
Problem
Existing fire-extinguishing devices for electrical equipment in confined spaces have limitations such as low extinguishing capacity, short service life, complexity in installation, and delayed response to temperature increases.
Innovation Solution
A compact fire-extinguishing device with an aerosol-forming or gas-forming composition, featuring an electric igniter and a heat-sensitive triggering device, which can be initiated externally or internally, and includes a smoke sensor and DIN rail mounting options for increased flexibility and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If microcapsules with fire-extinguishing agent are used, then the device can suppress fire automatically, but the service life is short (no more than two years)
Solution Approach 1:
The device is divided into separate functional modules: a housing, a fire-extinguishing agent container, a heating element, and a release mechanism. This segmentation allows each component to be optimized independently, improving overall reliability and service life while maintaining automatic fire suppression capability.
2Reliability
If gas fire-extinguishing plant with cylinder and pressure gauge is used, then fire suppression effectiveness is improved, but installation complexity increases
Solution Approach 1:
The heating element, fire-extinguishing agent container, and release mechanism are merged into a single integrated housing unit. This eliminates the need for separate cylinders, pressure gauges, and complex piping systems, significantly reducing installation complexity while maintaining fire suppression effectiveness.
Solution Approach 2:
The device is designed as a universal fire protection unit that can be installed in various locations and configurations. The integrated design allows it to function as both a detection and suppression system, eliminating the need for separate installation components and simplifying deployment across different applications.
3Reliability
If fire-extinguishing wire with support and adhesive layer is used, then fire protection coverage is improved, but installation complexity increases
Solution Approach 1:
The device combines the functions of fire detection, agent storage, and suppression delivery into a single unit. This eliminates the need for separate fire-extinguishing wires and support structures, reducing installation complexity while maintaining comprehensive fire protection coverage through the integrated release mechanism.
4Ease of operation
If device is placed on bracket or flat surface, then installation is simplified, but location options are limited and effectiveness is reduced
Solution Approach 1:
The device incorporates multiple mounting options including brackets, flat surface placement, and wall mounting capabilities within a single design. This universal mounting system provides both installation simplicity and location flexibility, allowing the device to be deployed in various positions and environments while maintaining effectiveness.
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
The device achieves high fire-extinguishing capacity, rapid response to temperature increases, and simplified installation, ensuring effective protection of electrical equipment in various locations without the need for human intervention.
Implementation Method 1
an electric igniter (7) of the AFC module
Implementation Method 2
a triggering heat-sensitive device (4) connected serially by conductors to each other
Data Source
AI summary
The present patent application relates to the field of electrical engineering and power engineering and can be used for the timely emergency shutdown of electrical equipment. The invention relates to a fire-extinguishing device having disposed therein a module (1) which contains an aerosol-forming or gas-forming composition, and comprising an electrical igniter (7) of said module (1) and a heat-sensitive trigger device (4), which are connected to one another in series by conductors, wherein the device further comprises: a contact group (10) for triggering, over conductors by means of an external signal, the electrical igniter (7) of the module, or for supplying a trigger voltage to the heat-sensitive trigger device (4) and the electrical igniter (7) of the module; an activation sensor (11), and a button (18) for manually activating the electrical igniter (7) of the module (1); the activation sensor (11) is connected by conductors (17) to the contact group (10); and the button (18) for manually activating the electrical igniter (7) of the module is connected by conductors to the electrical igniter (7) of the module. The technical result consists in increasing the timeliness of an initial fire-extinguishing action and more efficiently impeding the spread of fire in an enclosed space such as, in particular, an electrical enclosure, while simultaneously issuing a signal to trigger such fire-extinguishing devices, or issuing an information signal to emergency control panels.