Emergency breaking escape device for building glass

Abstract

The utility model discloses a kind of building glass emergency broken escape devices, belong to building fire-fighting technical field.The device includes air chamber, gas production element, linkage impact component, circuit component and fixed structure;Gas production element is fixed in air chamber by stamping closing, inside contains resistance wire and combustible reagent;Linkage impact component is constituted by tungsten alloy firing pin tip, ejector pin base and shear pin, and firing pin tip is controlled to break glass time by shear pin pressure threshold value;Circuit component integrates self-checking module and energy module, real-time monitoring element state and being connected fire-fighting system by communication cable;When fire occurs, fire signal triggers gas production element to generate high-pressure gas, and pushes firing pin tip to break glass instantaneously, without manual operation throughout.The utility model has the characteristics of automatic triggering, anti-theft and anti-loosening, power-off endurance 72 hours, wide voltage adaptation, etc., is installed conveniently and applicable to narrow frame glass, solves the problems of traditional safety hammer, such as easy to lose, slow response, and dependence on manual.

Description

Technical Field

[0001] This utility model relates to the field of building emergency escape, and in particular to an emergency escape device for broken building glass. Background Technology

[0002] In the field of building emergency escape, the rapid breaking of tempered glass is a crucial element in ensuring the safe evacuation of personnel. Currently, the most widely used glass-breaking methods rely on manual safety hammers, which are typically fixed in a special storage box near emergency windows and break the glass through physical impact. However, existing technologies have the following significant drawbacks in practical applications:

[0003] Conventional safety hammers often use simple fixing methods such as wire harnesses or wires, which, while offering some protection against displacement, are weak in terms of theft prevention. Because safety hammers have secondary use value, their theft rate in public places remains high, significantly increasing the risk of the device being missing in an emergency. Even with a closed storage box design, there is still the possibility of the box being damaged by external force or being completely disassembled.

[0004] In emergency situations such as fires, dense smoke can severely obstruct visibility, making it difficult for trapped individuals to quickly locate the safety hammer. Even if successfully retrieved, the impact-resistant nature of tempered glass requires the operator to deliver multiple precise strikes to specific areas within the limited escape time, placing high demands on the physical strength and technical skills of ordinary users. Real-world examples show that non-professionals typically require 3-5 effective strikes to break the glass, significantly delaying crucial escape time.

[0005] Traditional safety hammers, as standalone devices, cannot interact with building fire monitoring systems, smoke sensors, or temperature detectors. Their operational status (e.g., whether they are in place, whether they are functioning correctly) lacks real-time monitoring methods, making it difficult for fire control centers to remotely assess equipment availability. Furthermore, they cannot proactively trigger glass-breaking actions in the early stages of a disaster, resulting in a significant delay in emergency response.

[0006] While some electric glass-breaking devices have automatic triggering functions, their circuit systems typically rely on a continuous external power supply. When a fire damages the building's electrical circuits, these devices will completely fail, losing their emergency function. Although backup battery designs exist, they generally suffer from inadequate charge and discharge management mechanisms and a lack of aging detection for energy storage components, making long-term reliability difficult to guarantee.

[0007] The aforementioned technical deficiencies make it difficult for existing glass-breaking devices to meet the emergency requirements of rapid response, reliable triggering, and intelligent linkage in actual disasters. There is an urgent need for a new solution that integrates automatic control, status monitoring, and mechanical glass-breaking functions. Utility Model Content

[0008] The purpose of this invention is to provide an emergency glass breakage escape device for buildings. It connects to a fire monitoring system via cable, sending information such as the device's operating status and fault status to the fire monitoring system. It also receives activation commands from the fire monitoring system or smoke, temperature, and flame sensors. Activating the device initiates the glass-breaking operation. During glass breaking, an electric start energizes a resistor within the gas-generating element, heating the resistance wire. This ignites the internal agent, producing a large amount of gas. A shear pin in the device impedes the forward movement of the firing pin, increasing the pressure in the gas chamber and maintaining pressure. Once the pressure exceeds the shearing force of the shear pin, the gas pushes the firing pin, cutting it and moving forward. The firing pin then rapidly impacts the tempered glass, achieving automatic emergency escape. This device features intelligent control and automatic glass breaking.

[0009] This utility model is achieved using the following technical solution: an emergency escape device for broken building glass, characterized in that it includes an air chamber and a gas generating element, wherein the gas generating element is fixed in the air chamber by a stamping and closing method, and the gas generating element contains a resistance wire and a flammable agent; a linkage impact assembly, consisting of a firing pin tip, a pin seat, and a set screw, wherein the firing pin tip is fixed in the stepped hole of the pin seat by the set screw, and the pin seat is connected to the base by a shear pin; a circuit assembly, fixed on the base plate and connected to the resistance wire of the gas generating element by a wire; double-sided adhesive, attached to the bottom of the base plate for bonding the glass surface; and a safety rope, one end of which is fixed to the base plate by a nut and screw II, and the other end of which has an installation hole for connecting to a window frame or wall.

[0010] Furthermore, the circuit assembly includes a circuit board, an energy module soldered onto the circuit board, terminals, and indicator lights, wherein the terminals are fixed to studs by screws III.

[0011] Furthermore, the shear pin is a metal pin, which is fixed in the shaft hole of the base by interference fit or adhesive bonding, and the breaking strength of the shear pin matches the pressure holding threshold of the air chamber.

[0012] Furthermore, the double-sided adhesive is a high-strength pressure-sensitive adhesive layer, which is attached to the bottom edge area of ​​the base plate, and the base plate and the air chamber are fixed by a threaded connection.

[0013] Furthermore, the safety rope is a steel wire rope or a nylon braided rope, and its connection with the base plate is provided with a nut and screw II with an anti-loosening structure.

[0014] Furthermore, the firing pin tip is made of tungsten alloy steel with a tip hardness of 60~90HRC, and the axis of the firing pin tip is coaxial with the outlet axis of the gas chamber.

[0015] Furthermore, the terminal block includes a communication cable interface and a power cable interface, and the communication cable and power cable are connected to the terminal block by crimping or soldering.

[0016] Furthermore, the energy module is a rechargeable lithium battery, whose positive and negative terminals are connected to the circuit board via soldering points, and the circuit board is equipped with a charging management circuit.

[0017] The beneficial effects of the emergency escape device for broken building glass described in this utility model include:

[0018] Triggered by the fire protection system or fire sensor signal, it can shatter glass instantly without manual operation; the built-in circuit components self-check the status of the gas generating elements in real time and feed back to the monitoring center to ensure the reliability of the device.

[0019] Double-sided tape is used to directly attach the safety hammer to the glass edge, and a safety rope is used for double fixation. There are no exposed or detachable parts, which completely solves the problem of traditional safety hammers being easily stolen.

[0020] The gas chamber and gas-generating element are fixed by stamping and closing. The shear pin precisely controls the glass-breaking pressure threshold. Combined with the tungsten alloy firing pin tip (hardness 60~90HRC), the single-trigger success rate is ≥99%.

[0021] The no-drill design is compatible with narrow-frame glass and sliding doors and windows, and installation can be completed in 3 minutes; modular circuits and mechanical components support quick replacement, reducing maintenance costs by 50%.

[0022] With a built-in rechargeable energy module, it can continue to work for 72 hours after an external power outage, ensuring normal communication and glass-breaking functions in extreme environments. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 A schematic diagram of an emergency escape device for broken building glass;

[0025] Figure 2 Cross-sectional view of the fixing structure for circuit components;

[0026] Figure 3 This is a cross-sectional view of the broken glass component;

[0027] Figure 4 This is a schematic diagram of the circuit components;

[0028] Figure 5 Top view of the circuit assembly;

[0029] Figure 6 Side view of the circuit assembly;

[0030] In the diagram, 1-shell, 2-communication cable, 3-power cable, 4-safety rope, 5-double-sided tape, 6-base plate, 7-base, 8-firing pin tip, 9-set screw, 10-ejector seat, 11-gas generating element, 12-gas chamber, 13-shearing pin, 14-circuit assembly, 15-screw I, 16-nut, 17-screw II, 14-1-circuit board, 14-2-energy module, 14-3-terminal block, 14-4-screw III, 14-5-stud, 14-6-indicator light. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. Example

[0033] like Figures 1 to 6 As shown in the figure, this embodiment discloses an emergency escape device for broken building glass, which mainly includes: an air chamber 12, an air generating element 11, a linkage impact assembly, a circuit assembly 14, a base plate 6, and adhesive and fixing components, etc.

[0034] The gas-generating element 11 is encapsulated within the gas chamber 12 using a stamped sealing method. It contains a resistance wire and a flammable agent, providing efficient gas release. The linkage impact assembly includes a firing pin tip 8, a ejector pin seat 10, and a set screw 9. The firing pin tip 8 is made of tungsten alloy steel with a tip hardness of 60-90 HRC. It is fixed to the stepped hole in the ejector pin seat 10 by the set screw 9, and the entire assembly is coaxially aligned with the gas chamber outlet for rapid glass breaking.

[0035] Circuit assembly 14 is mounted on base plate 6 and includes circuit board 14-1, energy module 14-2, terminal block 14-3, screw Ⅲ 14-4, stud 14-5, and indicator light 14-6. The energy module is a rechargeable lithium battery with a built-in charging management module, featuring adaptive input voltage (8V~32V) and communication maintenance capability even in power failure. Communication cable 2 and power cable 3 communicate with the fire monitoring system in real time via terminal block 14-3.

[0036] The shear pin 13 is a metal pin installed in the shaft hole of the base 7, and is fixed by interference fit or structural adhesive bonding. The shear pin is designed with a breaking strength that matches the pressure holding capacity of the air chamber 12, ensuring that it shears when the air pressure exceeds the threshold, triggering the impact action.

[0037] This device is installed using double-sided adhesive tape (5), a high-strength pressure-sensitive adhesive with excellent initial tack and long-lasting adhesion, ensuring it will not detach even in high-temperature or humid environments. The device is installed on the upper side of the glass window, featuring a compact structure and high adaptability. Example

[0038] Based on the above embodiment one, to prevent secondary injuries caused by the device falling as a whole after the glass breaks, this embodiment adds a fall protection structure. The safety rope 4 is made of steel wire rope, one end of which is fixed to the mounting hole in the base plate 6 by a nut 16 and a screw II 17, and the other end is equipped with an expansion bolt interface, which can be fastened to the wall or window frame to form an effective limiting and mounting structure. The connection point is equipped with a backstop washer and an anti-loosening structure to further improve the safety and long-term reliability of use. Example

[0039] In this embodiment, circuit component 14 further expands communication functionality. Circuit board 14-1 receives signals from multiple sensors such as smoke, flame, and temperature via an RS485 bus or CAN communication bus, and also has the capability to receive repeater control commands from the fire protection system. This multi-source signal mechanism effectively improves the accuracy of device activation determination and reduces false triggering.

[0040] In addition, the energy module 14-2 is equipped with a capacity detection and voltage identification circuit, which can automatically switch to battery power in the event of an external power outage, ensuring the normal operation of the communication and control system. Example

[0041] In this embodiment, the mechanical mounting method of the circuit component 14 is further optimized. Its stud 14-5 is connected to the circuit board 14-1 by screw Ⅲ14-4, and the entire component is fixed to the base plate 6 by screw Ⅰ15, forming an independent, replaceable modular unit. The air chamber 12 is connected to the base plate 6 by metal threads, which has higher installation stability and ease of disassembly and assembly, and facilitates maintenance and replacement.

[0042] The present invention, through the above structure, can specifically achieve the following functions:

[0043] Self-test function: During operation, circuit component 14 intermittently outputs a small current. This current is introduced through the input terminal of gas-generating element 11 and forms a circuit through the internal resistance wire of the gas-generating element. The circuit component determines the on / off state and operating status of the gas-generating element by detecting the magnitude of the return current. If the gas-generating element is damaged or the circuit is open, the current value will be abnormal, thus identifying the fault state. The detection results are visually fed back through the on / off status of indicator lights 14-6, realizing real-time self-diagnosis of the device's operating status.

[0044] Communication Function: The self-test results and status information collected by circuit component 14 can be transmitted to the repeater in the fire monitoring system via terminal block 14-3 and communication cable 2, and then uploaded to the fire control system for remote monitoring and management. The device supports RS485 or CAN bus communication protocols, with strong communication stability and high anti-interference capability. The repeater can also receive signals from smoke, flame, or temperature sensors and transmit them to the circuit component to assist in triggering glass-breaking commands and enhance system linkage.

[0045] Power-off operation function: When an external power source is input through power cable 3, circuit component 14 will charge the built-in energy module 14-2. Charging stops when the module voltage reaches 12V or higher; charging resumes if the voltage drops below 8V. The energy module is a lithium battery structure, which can independently supply power in the event of external power failure, ensuring uninterrupted communication with the fire protection system and timely response to sensor or system commands, ensuring that the device still has glass-breaking capability in the event of a power outage.

[0046] Glass-breaking function: Once the system receives an activation signal from the fire control system or fire sensor, circuit component 14 immediately outputs a large current to the gas-generating element 11. This large current heats the resistance wire to the ignition temperature, igniting the internal combustible agent and rapidly generating a large amount of high-pressure gas. Due to the limiting effect of shear pin 13, the gas pressure in gas chamber 12 rises rapidly. When the pressure exceeds the shear strength of the shear pin, the shear pin breaks, and the high-pressure gas propels the firing pin tip 8, ejector pin seat 10, and other linkage components forward at high speed to impact the tempered glass surface, causing instantaneous shattering. The firing pin tip is made of tungsten alloy material, which has a hardness far exceeding that of tempered glass, ensuring a highly efficient shattering effect.

[0047] Safety against fall: After the glass breaks, the device may fall off due to the loss of its adhesive surface. To prevent secondary injuries from falling equipment, this invention includes a safety rope 4 on the base plate 6, with the other end securely connected to the wall or window frame via a structural component, thus limiting and suspending the device and ensuring the safety of personnel and equipment.

[0048] Easy installation: The device is equipped with high-adhesion double-sided adhesive 5 at the bottom, which can be directly pasted onto the inside of tempered glass windows without the need for drilling, making the installation process quick and convenient. Meanwhile, the safety rope 4 is structurally secured by nuts 16 and screws II 17, enhancing the device's stability and adapting to various window types.

[0049] The above embodiments describe the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Modifications and variations made by those skilled in the art without departing from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. An emergency escape device for broken building glass, characterized in that, The system includes a gas chamber (12) and a gas generating element (11). The gas generating element (11) is fixed inside the gas chamber (12) by a stamping and closing method. The gas generating element (11) is equipped with a resistance wire and a flammable agent. The linkage impact assembly consists of a firing pin tip (8), a pin seat (10) and a set screw (9). The firing pin tip (8) is fixed in the stepped hole of the pin seat (10) by the set screw (9). The pin seat (10) is connected to the base (7) by a shear pin (13). The circuit assembly (14) is fixed on the base plate (6) and connected to the resistance wire of the gas generating element (11) by a wire. The double-sided tape (5) is attached to the bottom of the base plate (6) for bonding the glass surface. The safety rope (4) is fixed to the base plate (6) at one end by a nut (16) and a screw II (17), and the other end is provided with a mounting hole for connecting the window frame or wall.

2. The emergency escape device for broken building glass according to claim 1, characterized in that, The circuit assembly (14) includes a circuit board (14-1), an energy module (14-2) soldered on the circuit board (14-1), a terminal block (14-3) and an indicator light (14-6), wherein the terminal block (14-3) is fixed to the stud (14-5) by screw III (14-4).

3. The emergency escape device for broken building glass according to claim 1, characterized in that, The shear pin (13) is a metal pin that is fixed in the shaft hole of the base (7) by interference fit or adhesive bonding, and the breaking strength of the shear pin (13) matches the pressure holding threshold of the air chamber (12).

4. The emergency escape device for broken building glass according to claim 1, characterized in that, The double-sided adhesive (5) is a high-strength pressure-sensitive adhesive layer, which is attached to the bottom edge area of ​​the base plate (6), and the base plate (6) and the air chamber (12) are fixed by threaded connection.

5. The emergency escape device for broken building glass according to claim 1, characterized in that, The safety rope (4) is a steel wire rope or nylon braided rope, and its connection with the base plate (6) is provided with a nut (16) and screw II (17) with an anti-loosening structure.

6. The emergency escape device for broken building glass according to claim 1, characterized in that, The firing pin tip (8) is made of tungsten alloy steel with a tip hardness of 60~90HRC, and the axis of the firing pin tip (8) is coaxial with the outlet axis of the gas chamber (12).

7. The emergency escape device for broken building glass according to claim 2, characterized in that, The terminal block (14-3) includes a communication cable interface and a power cable interface. The communication cable (2) and the power cable (3) are connected to the terminal block (14-3) by crimping or welding.

8. The emergency escape device for broken building glass according to claim 2, characterized in that, The energy module (14-2) is a rechargeable lithium battery, whose positive and negative terminals are connected to the circuit board (14-1) through soldering points, and the circuit board (14-1) is provided with a charging management circuit.

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