Early warning device suitable for fire prevention and explosion prevention

By installing an early warning component on the outside of the electrical cabinet, and using ventilation ducts and a thermal glass ball to display changes in the cabinet temperature, the problem of lack of visual early warning when there is a fault inside the electrical cabinet is solved, and the effect of rapid identification and prevention of fire and explosion is achieved.

CN223623703UActive Publication Date: 2025-12-02GUANGDONG HUALI ELECTRICAL
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Patent Information

Application Number
CN202520241896.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-02
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

When a fault occurs inside the existing electrical cabinet, there is a lack of effective visual warning methods, which makes it impossible for workers to respond in time, and can easily lead to fire or explosion.

Method used

An early warning component is installed on the outside of the electrical cabinet. The ventilation duct accelerates air circulation, and the thermal glass ball bursts at different temperatures, displaying different colors. Combined with the warning light to show temperature changes, workers can visually identify when the electrical cabinet temperature exceeds the threshold.

Benefits of technology

This technology enables workers to quickly identify and take measures when the temperature of the electrical cabinet exceeds the threshold, thus preventing fires or explosions and improving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an early warning device suitable for fire prevention and explosion prevention. Comprising a cabinet body and an early warning assembly, the early warning assembly is arranged on the outer side wall of the cabinet body, the early warning assembly comprises a ventilation component and a warning piece, the ventilation component comprises a ventilation piece, a plurality of transversely-through ventilation channels are arranged in the ventilation piece, and a warning seat is arranged in the middle of the ventilation piece; the warning component comprises a warning plate, a mounting seat and a warning lamp, the warning plate is a transparent plate embedded in the warning seat, the warning lamp is detachably connected to the mounting seat, and the warning lamp faces the warning plate. According to the utility model, air inside and outside the electric cabinet is accelerated to flow through the warning seat, the thermosensitive glass balls in the warning seat present different colors when the temperature changes, and light irradiates the thermosensitive glass balls through the warning plate and is refracted and displayed on the warning plate through the through holes, so that a worker can see the color change of the warning plate on the electric cabinet when walking in a workshop; therefore, early warning can be carried out in the first time, and excessive temperature rise in the electric cabinet is prevented.
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Description

Technical Field

[0001] This utility model belongs to the technical field of electrical cabinet safety early warning auxiliary equipment, specifically relating to an early warning device suitable for fire prevention and explosion protection. Background Technology

[0002] At present, industrial production is becoming increasingly intelligent. To facilitate the control of industrial production, electrical cabinets are often used to integrate power supply, network, and control operations, thereby facilitating industrial production. However, due to the high degree of integration, the electrical cabinet is actually the production command center of the entire equipment. Once a malfunction occurs, it will cause the industrial production to stop. More importantly, if a component inside the electrical cabinet malfunctions or short-circuits, it will catch fire in a short time and burn other components inside the cabinet. Fire and explosion protection is usually focused on the outside of the electrical cabinet, but there are more electrical components inside. Once a fire breaks out, the losses will be even more severe. Before the components inside the electrical cabinet malfunction, there is often an abnormal temperature rise process. If sensors are installed inside the electrical cabinet, the warning information they acquire will be displayed either through a computer or through a buzzer. However, the workers in the workshop are the closest to the electrical cabinet and can respond the fastest. But current safety warning devices are not sufficient to provide warnings in a short time. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides an early warning device suitable for fire and explosion prevention. By accelerating the airflow inside and outside the electrical cabinet through the warning base, the heat-sensitive glass ball inside will burst when the temperature changes drastically. Colored kerosene or other substances inside will flow down through the through-hole into the warning plate. Light shines on the warning plate and amplifies the color change. Therefore, workers can see the color change of the warning plate on the electrical cabinet when walking in the workshop, thus providing an early warning in the first instance and preventing the temperature inside the electrical cabinet from rising excessively.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A fire and explosion prevention early warning device includes a cabinet and an early warning component. The early warning component is installed on the outer wall of the cabinet. The early warning component includes a ventilation component and a warning component. The ventilation component includes a ventilation element with several horizontally penetrating ventilation channels. A warning seat is provided in the middle of the ventilation element. The warning component includes a warning plate, a mounting base, and a warning light. The warning plate is a transparent plate embedded in the warning seat. The warning light is detachably connected to the mounting base and faces the warning plate.

[0006] The warning base is provided with a storage slot, and the through hole in the storage slot faces the outer side of the warning plate and points vertically downward. The ventilation component also includes a cover plate, which is closed and detachably connected to the upper opening of the storage slot. The storage slot includes two sets, which are symmetrical about the warning plate as the center of symmetry, and the through holes on the two sets of storage slots face each other. The warning component also includes a thermal glass ball, which is detachably connected to the lock hole on the cover plate. The thermal glass ball is located in the storage slot and contains kerosene.

[0007] This fire and explosion-proof early warning device is an early warning component installed inside the cabinet. The ventilation ducts on the ventilation components inside the cabinet allow for air circulation inside and outside the cabinet, ensuring that the warning seat can collect the air flowing out of the cabinet in the first instance and apply the air temperature to the warning seat in real time. The warning plate embedded in the warning seat has one end extending into the storage slot, and the warning light is mounted on the base facing the warning plate. When the warning light is turned on, its white light shines on the warning plate. Since the warning plate itself is transparent, the light will pass through the warning plate.

[0008] To serve as a warning, several thermosensitive glass bulbs are detachably connected to the cover of the storage tank. These bulbs contain either kerosene or ether. The kerosene is colored to indicate different activation temperatures depending on the required temperature: red (68°C), yellow (79°C), green (93°C), and blue (141°C). Therefore, thermosensitive glass bulbs with different activation temperatures can be installed on the cover. When the temperature inside the cabinet exceeds 68°C, the red thermosensitive glass bulb will burst, and the red liquid will flow into the storage tank and then through a hole onto the outer surface of the warning panel. Thus, when the warning light shines on the warning panel, it will display a bright red color, indicating that the cabinet temperature has exceeded 68°C. For workers who are constantly moving around in the workshop, their visual perception is far more acute than their auditory perception, especially in workshops where noise levels are high and earplugs are required. Even if a buzzer sounds, it may not serve as a warning. Similarly, if the temperature inside the electrical cabinet exceeds a certain threshold, there is no need for an exaggerated red rotating warning light to alert everyone in the workshop. It is sufficient to display the warning light to those nearby so that they can take timely action to prevent accidents. Therefore, when the temperature inside the electrical cabinet exceeds the threshold of 68°C, a red color is used as a warning. As the temperature rises further, different colored heat-sensitive glass balls break one by one, which can serve as a visual warning to workers and prompt them to take the next step, thereby achieving the effect of fire prevention and explosion protection.

[0009] Furthermore, the warning component also includes a temperature sensor, which is detachably connected to the outer wall of the cover plate.

[0010] Compared with the prior art, the advantages of this utility model are as follows: By installing an early warning component on the outer wall of the electrical cabinet, the ventilation duct on it accelerates the airflow inside and outside the electrical cabinet through the warning seat. Thermosensitive glass balls of different colors in the storage tank will burst into different colors when the temperature changes. The light of the warning light shines on the warning board, directly displaying different color effects to distinguish which part of the temperature inside the electrical cabinet has exceeded the threshold. This achieves the effect of displaying different color information at different temperatures. Workers can see the color changes on the electrical cabinet when walking in the workshop, so that early warning can be given in the first time to prevent the temperature inside the electrical cabinet from rising too much, thereby preventing fire and explosion. Attached Figure Description

[0011] 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. Obviously, 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 these drawings without creative effort.

[0012] Figure 1 This is a perspective view of the present utility model;

[0013] Figure 2 This is a perspective view of the early warning component of this utility model;

[0014] Figure 3 This is a schematic diagram of the explosion of the early warning component of this utility model;

[0015] Figure 4 For the present utility model Figure 3 A magnified view of part A;

[0016] Figure 5 For the present utility model Figure 3 A magnified view of section B.

[0017] The components include: 1. Cabinet; 2. Early warning component; 21. Ventilation component; 211. Ventilation element; 212. Ventilation duct; 213. Warning base; 214. Storage tank; 215. Through hole; 216. Cover plate; 217. Lock hole; 22. Warning component; 221. Warning plate; 222. Mounting base; 223. Warning light; 224. Thermosensitive glass ball; 225. Temperature sensor. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] The specific embodiments of this utility model will now be described with reference to the accompanying drawings:

[0020] like Figure 1-5 As shown, a fire and explosion prevention early warning device includes a cabinet 1 and an early warning component 2. The early warning component 2 is disposed on the outer side wall of the cabinet 1. The early warning component 2 includes a ventilation component 21 and a warning component 22. The ventilation component 21 includes a ventilation element 211, which has several horizontally penetrating ventilation channels 212. A warning seat 213 is provided in the middle of the ventilation element 211. The warning component 22 includes a warning plate 221, a mounting base 222, and a warning light 223. The warning plate 221 is a transparent plate embedded in the warning seat 213. The warning light 223 is detachably connected to the mounting base 222 and faces the warning plate 221.

[0021] The warning base 213 is provided with a storage slot 214. The through hole 215 in the storage slot 214 faces the outer side of the warning plate 221 and points vertically downward. The ventilation component 21 also includes a cover plate 216, which is closed and detachably connected to the upper opening of the storage slot 214. The storage slot 214 includes two sets, which are symmetrical about the warning plate 221. The through holes 215 on the two sets of storage slots face each other. The warning component 22 also includes a thermal glass ball 224, which is detachably connected to the lock hole 217 on the cover plate 216. The thermal glass ball 224 is located in the storage slot 214 and contains kerosene.

[0022] Furthermore, the warning component 22 also includes a temperature sensor 225, which is detachably connected to the outer wall of the cover plate 216.

[0023] Description of the working principle of this utility model:

[0024] The fire and explosion-proof early warning device using this structure is an early warning component 2 installed inside the cabinet 1. The ventilation duct 212 on the ventilation component 211 inside it is used for air circulation inside and outside the cabinet, which can ensure that the warning seat 213 can collect the air flowing out of the cabinet in the first time and apply the air temperature to the warning seat 213 in real time. The warning plate 221 embedded in the warning seat 213 has one end extending into the storage slot 214. The warning light 223 is on the mounting base 222 facing the warning plate 221. When the warning light 223 is turned on, its white light will shine on the warning plate 221. Since the warning plate 221 itself is transparent, the light will pass through the warning plate 221.

[0025] To serve as a warning, several thermosensitive glass bulbs 224 are detachably connected to the cover 216 covering the storage tank 214. Each thermosensitive glass bulb 224 contains kerosene or ether. The kerosene is filled with different colored operating temperatures depending on the temperature requirement: red (68°C), yellow (79°C), green (93°C), and blue (141°C). Therefore, thermosensitive glass bulbs 224 with different colored operating temperatures can be installed on the cover 216. When the temperature inside the cabinet 1 exceeds 68°C, the red thermosensitive glass bulb 224 will burst, and the red liquid will flow into the storage tank 214 and through the through-hole 215 into the outer surface of the warning plate 221. Therefore, when the warning light 223 shines on the warning plate 221, it will display a bright red color, indicating that the temperature of the electrical cabinet has exceeded 68°C. For workers in the workshop who are constantly moving around, their visual perception is far more acute than their auditory perception, especially in workshops where there is a lot of noise and they need to wear earplugs. Even if a buzzer sounds, it will not serve as a warning. When the temperature inside the electrical cabinet exceeds a certain threshold, there is no need for an exaggerated red rotating warning light 223 to alert everyone in the workshop. It is sufficient to show it to nearby people so that they can deal with the accident in time. Therefore, when the temperature inside the electrical cabinet exceeds the threshold of 68°C, a red color is used as a warning. When the temperature rises further, the different colored heat-sensitive glass balls 224 will break one by one, which can serve as a visual warning to the workers and prompt them to take the next step, thereby achieving the effect of fire prevention and explosion prevention. A temperature sensor 225 can be added to the outer wall of the cover plate 216 to detect the temperature information outside the electrical cabinet.

[0026] Two sets of symmetrical storage tanks 214 are provided. The cover plate 216 of the upper storage tank 214 is equipped with a thermal glass ball 224, while the lower storage tank 214 is not equipped with any thermal glass ball 224. When the thermal glass ball 224 in the upper storage tank 214 bursts and the liquid flows on the display board, the waste liquid can be collected through the lower storage tank 214 to prevent it from dripping outside the ventilation component 211.

[0027] The beneficial effects of this utility model are as follows: By installing an early warning component 2 on the outer wall of the electrical cabinet, the ventilation duct 212 on it accelerates the airflow inside and outside the electrical cabinet through the warning seat 213. Thermosensitive glass balls 224 of different colors in the storage tank 214 will burst into different colors when the temperature changes. The light of the warning light 223 shines on the warning plate 221, which will directly present different color effects to distinguish which part of the temperature inside the electrical cabinet has exceeded the threshold. Thus, different color information display effects are achieved at different temperatures. Workers can see the color changes on the electrical cabinet when walking in the workshop, so that early warning can be given in the first time to prevent the temperature inside the electrical cabinet from rising too much, thereby preventing fire and explosion.

[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A warning device suitable for fire and explosion prevention, characterized in that: The device includes a cabinet and an early warning component. The early warning component is installed on the outer wall of the cabinet and includes a ventilation component and a warning component. The ventilation component includes a ventilation element with several horizontally penetrating ventilation channels and a warning seat in the middle of the ventilation element. The warning component includes a warning plate, a mounting base, and a warning light. The warning plate is a transparent plate embedded in the warning seat, and the warning light is detachably connected to the mounting base and faces the warning plate.

2. The early warning device for fire and explosion prevention according to claim 1, characterized in that: The warning seat is provided with a storage slot, and the through hole in the storage slot faces the outer side of the warning plate and points vertically downward. The ventilation component also includes a cover plate, which is closed and detachably connected to the upper opening of the storage slot.

3. The early warning device for fire and explosion prevention according to claim 2, characterized in that: The storage tank includes two sets, which are symmetrical about the warning plate as the center of symmetry, and the through holes on the two sets of storage tanks face each other.

4. The early warning device for fire and explosion prevention according to claim 3, characterized in that: The warning component also includes a thermal glass ball, which is detachably connected to a lock hole in the cover plate. The thermal glass ball is located in a storage tank and contains kerosene.

5. The early warning device for fire and explosion prevention according to claim 3, characterized in that: The warning component also includes a temperature sensor, which is detachably connected to the outer wall of the cover plate.