KR-20260063820-A - Fire extinguisher pressure abnormality warning device

Abstract

A fire extinguisher pressure abnormality warning device is disclosed. A flagpole and a pressure abnormality warning flag are fixed by a lock switch by suppressing the repulsive force of a spring inside a separate case. When an abnormality occurs in the internal pressure of the fire extinguisher through a low pressure/high pressure trigger on the rotating part of a semi-rotating relay switch and a rotary pressure gauge, the flagpole and flag protrude to the top of the case by the repulsive force of a spring through the operation of the low pressure/high pressure trigger, relay switch, and lock switch to warn the user.

Inventors

• 조병규

Assignees

• 캐논코리아 주식회사

Dates

Publication Date

20260507

Application Date

20241031

Claims (1)

1. In a fire extinguisher pressure abnormality warning device, case; Fire extinguisher pressure gauge; At least one flag portion provided inside the above case; A spring provided inside the above case and connected to the above flag unit to operate; A lock switch configured to operate in organic connection with the above-mentioned flag unit; A semi-rotation type relay switch that operates according to the rotation of the above-mentioned fire extinguisher pressure gauge; A pressure gauge rotating part provided inside the above-mentioned fire extinguisher pressure gauge and rotating together with the rotation of the pressure gauge indicator; and A fire extinguisher pressure abnormality warning device characterized by having a high-pressure warning trigger and a low-pressure warning trigger on the outer edge of the above-mentioned rotating part, which correspond to a rotation angle of the normal pressure range.

Description

Fire extinguisher pressure abnormality warning device The present invention relates to a device for sending a warning to a user when there is an abnormal pressure in a fire extinguisher, and more specifically, to a device that notifies a user of an abnormal pressure warning by warning of the abnormal pressure in the form of a flag protruding upward when the pressure of the fire extinguisher deviates from the normal range, without the user having to directly check the pressure gauge of the fire extinguisher near the fire extinguisher. Fire extinguishers are critical equipment for the initial suppression of a fire. However, if the pressure of a fire extinguisher deviates from the normal range, abnormal high pressure may cause the extinguisher to explode, while abnormal low pressure may degrade its performance or prevent it from operating. Currently, most fire extinguishers monitor their internal pressure status using a pressure gauge. The gauge measures the internal pressure and visually displays it via a needle or indicator. However, conventional pressure gauges require the user to check the gauge directly from a close proximity to the extinguisher; consequently, it can be difficult for the user to immediately recognize when the indicator deviates from the normal range, especially in dark environments. This can cause further inconvenience when fire extinguishers are distributed across multiple locations. Therefore, there is a need for a device that allows users to intuitively recognize pressure anomalies even when they are not in close proximity to the extinguisher. Meanwhile, in order to solve this problem, Utility Model Registration No. 20-0447993 “Abnormal pressure alarm device for fire extinguishers” and Utility Model Registration No. 10-2001383 “Fire extinguisher including an abnormal pressure alarm device” were filed and registered. The abnormal pressure alarm device of the above utility model registration number 20-0447993 is composed of a detection unit having a corrugated pipe communicating with the inside of the fire extinguisher body and a detection switch, a display unit having a light-emitting device to display the detection result of the detection unit, and a control unit having a battery, a boost circuit, and a microcomputer to control the display unit according to the detection result of the detection unit. However, in the case of the prior art of Utility Model Registration No. 20-0447993, it includes electronic devices such as a light-emitting device, a battery, and a microcomputer, and thus corresponds to a structure that necessarily requires a power source such as a battery. As a result, the structure is very complex, and there are problems such as the alarm device itself not operating when the power source such as the battery is discharged, and the fire extinguisher being unable to provide a warning when the pressure is abnormally high. In addition, the alarm device of Utility Model Registration No. 10-2001383 is composed of a container section installed adjacent to a pressure gauge, a connecting hose, and a display section of the fire extinguisher body, and was filed and registered after supplementing the problems of Utility Model Registration No. 20-0447993. However, in the case of the prior art of Utility Model Registration No. 10-2001383, it is a device that uses an opaque solution of a specific color to wet the paper of the indicator part of the fire extinguisher body with the opaque solution when the pressure of the fire extinguisher is abnormal, and there are problems such as the alarm device not operating due to the loss of the opaque solution or damage to the paper of the alarm device, the problem of the essential indicators of the fire extinguisher being obscured by the paper of the alarm device, and the problem of not being able to reuse it easily, such as the need to replenish the opaque solution and replace the paper of the indicator part for reuse. FIG. 1 is a drawing showing the external appearance of a fire extinguisher pressure abnormality warning device according to an embodiment of the present invention. FIG. 2 is a drawing showing the internal configuration of a fire extinguisher pressure abnormality warning device according to an embodiment of the present invention. FIG. 3 is a drawing after the operation of a fire extinguisher pressure abnormality warning device according to an embodiment of the present invention. Hereinafter, embodiments of the present invention are described in detail with reference to the attached drawings so that those skilled in the art can easily implement the invention. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein. Furthermore, in order to clearly explain the present invention, parts unrelated to the explanation have been omitted from the drawings. Furthermore, when it is stated that a part “includes” or “is equipped” with a certain component, this means that,