Fire searching device

Abstract

The utility model discloses a fire searching device which comprises a split type shell, a first vertical hole and a first horizontal hole are sequentially formed in the side wall of the split type shell, the first vertical hole and the first horizontal hole penetrate through the split type shell, and an invisible light filter disc is fixedly assembled on the inner wall of the split type shell. The first horizontal hole and the second horizontal hole are correspondingly communicated, two photosensitive elements are fixedly assembled on the inner wall of the split type shell and face the first vertical hole and the first horizontal hole respectively, two sets of photosensitive elements are adopted, one set of holes are formed in the horizontal direction, and the other set of holes are formed in the vertical direction. And a diffuse reflection consumption surface is formed between the light sensing element and the light extraction hole, so that redundant interference light cannot interfere with the work of the light sensing element, and the invisible light filter disc is arranged on the inner side of the light extraction hole, so that non-collected light waves are reduced, the influence of external airflow on the elements in the device can be shielded, and the accuracy and stability of fire searching are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing, in particular to a fire searching device. Background Art

[0002] A fire searching device is a device used to detect and locate a fire source, usually used in fire detection and fire protection systems. Its main function is to detect the fire source in the initial stage of a fire in a timely manner, so as to take corresponding fire extinguishing measures to prevent the spread of the fire. It identifies the fire source by detecting the light of a specific wavelength generated by the flame (such as infrared or ultraviolet) through a photosensitive element. The fire searching device is an indispensable part of modern fire protection systems. It can detect the fire source in the initial stage of a fire in a timely manner, providing valuable time for personnel evacuation and fire extinguishing operations. Therefore, the correct selection, installation and maintenance of the fire searching device are crucial for ensuring the safety of life and property. This device reduces non-collected light waves and can also block the influence of external airflows on the components inside the device, ensuring the accuracy and stability of fire searching. Content of the Utility Model

[0003] The purpose of the utility model is to provide a fire searching device to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A fire searching device includes a split-type housing. The side wall of the split-type housing is sequentially provided with a first vertical hole and a first horizontal hole, and the first vertical hole and the first horizontal hole penetrate through the split-type housing. The inner wall of the split-type housing is fixedly equipped with a non-visible light filter. The side wall of the non-visible light filter is sequentially provided with a second vertical hole and a second horizontal hole, and the second vertical hole and the second horizontal hole penetrate through the non-visible light filter. The first vertical hole and the second vertical hole are correspondingly communicated, and the first horizontal hole and the second horizontal hole are correspondingly communicated. The inner wall of the split-type housing is fixedly equipped with two photosensitive elements, and the two photosensitive elements are respectively oriented towards the first vertical hole and the first horizontal hole.

[0005] Preferably, two diffuse reflection consumption surfaces are fixedly assembled on the inner cavity surface of the split-type housing, and the two diffuse reflection consumption surfaces are arranged side by side in the split-type housing.

[0006] Preferably, the vertical opening of the first vertical hole is 3 mm, and the vertical opening of the first horizontal hole is 2 mm.

[0007] Preferably, the split-type housing is divided into upper and lower parts, and the upper and lower parts of the split-type housing are connected by bolts.

[0008] Compared with the prior art, the beneficial effects of the present utility model are as follows: Two groups of photosensitive elements are adopted, one group has openings in the horizontal direction and the other group has openings in the vertical direction, and a diffuse reflection consumption surface is made between the photosensitive elements and the light-taking holes, so that the redundant interfering light cannot interfere with the operation of the photosensitive elements. A non-visible light filter is installed inside the light-taking holes, which not only reduces the non-collected light waves but also blocks the influence of external air flow on the components inside the device, ensuring accurate and stable fire seeking.

[0009] The present utility model provides a fire-seeking device, which reduces the non-collected light waves and can also block the influence of external air flow on the components inside the device, ensuring accurate and stable fire seeking. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a three-dimensional schematic diagram of the structure of the present utility model;

[0011] Figure 2 is a three-dimensional sectional view of the present utility model;

[0012] Figure 3 is a plan sectional view of the present utility model.

[0013] In the figure: 1 - split housing, 2 - first vertical hole, 3 - first horizontal hole, 4 - non-visible light filter, 5 - second vertical hole, 6 - second horizontal hole, 7 - photosensitive element, 8 - diffuse reflection consumption surface. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0015] Please refer to Figures 1-3 , the present utility model provides a fire-seeking device, including a split housing 1. The side wall of the split housing 1 is sequentially provided with a first vertical hole 2 and a first horizontal hole 3. The first vertical hole 2 and the first horizontal hole 3 penetrate the split housing 1. A non-visible light filter 4 is fixedly assembled on the inner wall of the split housing 1. The side wall of the non-visible light filter 4 is sequentially provided with a second vertical hole 5 and a second horizontal hole 6. The second vertical hole 5 and the second horizontal hole 6 penetrate the non-visible light filter 4. The first vertical hole 2 and the second vertical hole 5 are correspondingly communicated, and the first horizontal hole 3 and the second horizontal hole 6 are correspondingly communicated. Two photosensitive elements 7 are fixedly assembled on the inner wall of the split housing 1. The two photosensitive elements 7 respectively face the first vertical hole 2 and the first horizontal hole 3. Two diffuse reflection consumption surfaces 8 are fixedly assembled on the inner cavity surface of the split housing 1. The two diffuse reflection consumption surfaces 8 are arranged side by side in the split housing 1.

[0016] Two groups of photosensitive elements 7 are adopted. One group has openings in the horizontal direction and the other group has openings in the vertical direction. And a diffuse reflection consumption surface 8 is made between the photosensitive elements 7 and the light-taking holes (i.e., the first vertical hole 2, the first horizontal hole 3, the second vertical hole 5, and the second horizontal hole 6), so that the excess interfering light cannot interfere with the operation of the photosensitive elements 7. A non-visible light filter 4 is installed inside the light-taking holes, which not only reduces the non-collected light waves but also blocks the influence of the external airflow on the components inside the device, ensuring the accuracy and stability of fire searching. The split-type housing 1 facilitates the installation and disassembly of components, ensuring the convenience of equipment maintenance and repair.

[0017] The vertical opening of the first vertical hole 2 is 3 mm, and the vertical opening of the first horizontal hole 3 is 2 mm.

[0018] The split-type housing 1 is divided into upper and lower parts, and the upper and lower parts of the split-type housing 1 are connected by bolts.

[0019] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-finding device, characterized in that: The invention comprises a split housing (1), wherein a first vertical hole (2) and a first horizontal hole (3) are sequentially provided on a side wall of the split housing (1), wherein the first vertical hole (2) and the first horizontal hole (3) penetrate the split housing (1), and a non-visible light filter (4) is fixedly mounted on the inner wall of the split housing (1), and a second vertical hole (5) and a second horizontal hole (6) are sequentially provided on the side wall of the non-visible light filter (4), wherein the second vertical hole (5) and the second horizontal hole (6) penetrate the non-visible light filter (4), the first vertical hole (2) and the second vertical hole (5) are correspondingly connected, and the first horizontal hole (3) and the second horizontal hole (6) are correspondingly connected, and two photosensitive elements (7) are fixedly mounted on the inner wall of the split housing (1), wherein the two photosensitive elements (7) face the first vertical hole (2) and the first horizontal hole (3) respectively.

2. A fire-finding device according to claim 1, characterized in that: Two diffuse reflection consumption surfaces (8) are fixedly mounted on the inner cavity surface of the split housing (1), and the two diffuse reflection consumption surfaces (8) are arranged side by side in the split housing (1).

3. A fire-finding device according to claim 1, characterized in that: The first vertical hole (2) has a vertical opening of 3 mm, and the first horizontal hole (3) has a vertical opening of 2 mm.

4. A fire-finding device according to claim 1, characterized in that: The split housing (1) is divided into two parts, an upper part and an lower part, and the upper part and the lower part of the split housing (1) are connected by bolts.

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