Panic Exit Device Alarm Emitter Segmentation

Solution Overview

Problem

Prior panic exit devices face issues due to the integration of alarm signal emitters with kinematic mechanisms, leading to space constraints and maintenance complications that jeopardize the proper functioning of the mechanisms.

Innovation Solution

The alarm signal emitter and its components are positioned beneath the covering cover opposite the kinematic mechanism, allowing for separation without altering the mechanism, enabling independent installation, maintenance, and operation of the alarm system without interfering with the kinematic mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the alarm signal emitter and its components are integrated into the kinematic mechanism space, then the device can emit alarm signals, but the kinematic mechanism's proper functioning is jeopardized and maintenance becomes difficult

Engineering Contradiction:

Improvealarm signal emission capabilityVSAvoidkinematic mechanism functioning

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The device is divided into two independent functional zones: the kinematic mechanism zone for latch and shoot bolt operation, and the alarm signal emitter zone positioned separately beneath the covering cover. This segmentation allows each subsystem to function independently without interfering with the other, resolving the contradiction between adding alarm capability and maintaining mechanism reliability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The alarm signal emitter and its components are extracted from the kinematic mechanism space and positioned in the free space beneath the covering cover. This extraction eliminates the interference between the alarm system and the kinematic mechanism, allowing the mechanism to operate reliably while the alarm system provides enhanced safety functionality.

Inventive Principle:

Principle #2Taking out (Extraction)

2Adaptability or versatility

If the alarm signal emitter is mounted in the kinematic mechanism space, then alarm functionality is achieved, but maintenance and inspection of the alarm system interfere with the kinematic mechanism

Engineering Contradiction:

Improvealarm signal emission capabilityVSAvoidalarm system maintenance

Core Design Contradiction:

Adaptability or versatilityVSEase of repair

Solution Approach 1:

The device is divided into two independent functional zones: the kinematic mechanism zone for latch and shoot bolt operation, and the alarm signal emitter zone positioned separately beneath the covering cover. This segmentation allows each subsystem to function independently without interfering with the other, resolving the contradiction between adding alarm capability and maintaining mechanism reliability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The alarm signal emitter and its components are extracted from the kinematic mechanism space and positioned in the free space beneath the covering cover. This extraction eliminates the interference between the alarm system and the kinematic mechanism, allowing the mechanism to operate reliably while the alarm system provides enhanced safety functionality.

Inventive Principle:

Principle #2Taking out (Extraction)

3Adaptability or versatility

If the alarm signal emitter system is installed after the device is mounted on a door, then installation flexibility is improved, but the alarm system components must be positioned in limited space

Engineering Contradiction:

Improveinstallation flexibilityVSAvoidspace for alarm components

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The alarm signal emitter components are positioned in the free space beneath the covering cover, utilizing the vertical dimension and depth of the device housing rather than occupying horizontal space on the door surface. This dimensional reorganization allows adequate space for alarm components while maintaining a compact overall device footprint.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Data Source

PatentEP2823117B1Panic exit device

Publication Date: 2016.10.12 ISEO SERRATURE

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AI summary

The panic exit device (1) of the type to be applied comprises a push bar (2) longitudinally disposed along a longitudinal supporting base (3), and a cover (16) for covering a longitudinal end (8) of the base (3) and the longitudinal end (7) of the bar (2) adjacent to said longitudinal end (8) of the base (3), the cover ( 1 6) being provided with a cylinder lock (25 ) whose rotor features a cam (27) having a first operative position of engagement with a member (28) for locking the cover ( 16) and at least a second operative position for actuating a programming microswitch (29) of an emitter (3) of an alarm signal.