Strong explosion-proof image type fire detector

Abstract

The utility model provides a strong explosion-proof image type fire hazard detector, including explosion-proof housing, camera and mounting table, the explosion-proof housing includes inner shell and outer shell, be equipped with the cooling protection chamber of cooling water filling between the inner shell and outer shell, the outer shell is equipped with the water inlet and water outlet, the camera is equipped with the water inlet and water outlet, the camera is equipped with the water inlet and the water outlet, and the mounting table is equipped with the water inlet and the water outlet. The water inlet is connected with a water inlet pipe, one end of the water inlet pipe is connected with a micro water pump, and the water outlet is provided with a water mist nozzle used for cooling the surface of the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a powerful explosion-proof image-type fire detector. Background Art

[0002] Image-type fire detectors are an industrial-grade fire detector developed for the special needs of outdoor, tunnel and indoor large spaces. This product can make accurate judgments on fire conditions in various complex environments, and provides three alarm modes: video, network, and switch quantity. It can be flexibly connected to various fire alarm systems. The shells of existing explosion-proof detectors are mostly designed only in terms of materials. When the detector is in a fire scene for a long time, the durability of its explosion-proof shell will fail after reaching a certain level, and it will not be able to continue to protect the detector until the fire is extinguished. Utility Model Content

[0003] In order to solve the deficiencies of the above-mentioned technology, the utility model provides a powerful explosion-proof image-type fire detector, comprising an explosion-proof shell, a camera and a mounting platform, wherein the explosion-proof shell is arranged on the camera, and the explosion-proof shell is connected to the mounting platform, and the explosion-proof shell comprises an inner shell and an outer shell, a cooling protection cavity for filling with cooling water is arranged between the inner shell and the outer shell, a water inlet and a water outlet are arranged on the outer shell, the water inlet is connected to a water inlet pipe, one end of the water inlet pipe is connected to a micro water pump, the micro water pump is connected to a water source, and the water outlet is provided with a water mist nozzle for cooling the surface of the shell.

[0004] By adopting the above technical solution, an explosion-proof shell cover composed of an inner shell and an outer shell is provided, and a cooling protection cavity is provided between the inner shell and the outer shell. When the detector is attacked by fire, the micro water pump is started to fill the cooling protection cavity with cooling water to ensure that the inner shell is at a lower temperature. At the same time, the surface of the outer shell is continuously cooled by the water mist nozzle to maintain the durability of the outer shell, so that the explosion-proof shell cover can maintain its durability for a long time, forming a strong protection for the camera, and ensuring that the camera can operate normally.

[0005] The utility model is further configured as follows: an emergency water storage tank is arranged on the mounting platform, and the micro water pump is connected to the emergency water storage tank.

[0006] By adopting the above technical solution, since an emergency water tank is provided on the mounting platform, the micro water pump is connected to the emergency water tank, so that the water from the water source must first flow through the emergency water tank and be partially stored in the emergency water tank. When there is a problem with the water source, the water in the emergency water tank can be used to maintain the cooling work of the explosion-proof shell for a period of time.

[0007] The utility model is further configured as follows: a lens protection cover is also provided on the explosion-proof shell cover, a tempered glass is provided on the lens protection cover, the lens protection cover is connected to the explosion-proof shell cover by threads, a connecting hole is opened on the explosion-proof shell cover, and the connecting hole is respectively connected to the cooling protection cavity and the interior of the lens protection cover.

[0008] According to the technical solution, since a lens protective cover is also provided on the explosion-proof shell, a tempered glass is provided on the lens protective cover, the lens protective cover is connected to the explosion-proof shell by threads, a connecting hole is provided on the explosion-proof shell, and the connecting holes are respectively connected to the cooling protection cavity and the interior of the lens protective cover, so that when the explosion-proof shell is cooled, the lens can be protected by the lens protective cover at the same time, and the lens protective cover is filled with cooling water to prevent the lens from being damaged due to the difference in temperature.

[0009] A further configuration of the utility model is that a water outlet is also provided on the lens protection cover, and a solenoid valve is provided on the water outlet.

[0010] With the above technical solution, since the lens protective cover is also provided with a drain port, and the drain port is provided with a solenoid valve, the cooling water in the lens protective cover can be drained through the solenoid valve after the fire is extinguished.

[0011] A further configuration of the utility model is that a sealing ring is arranged at the edge of the lens protection cover.

[0012] By adopting the above technical solution, since a sealing ring is provided at the edge of the lens protection cover, the sealing inside the lens protection cover can be further ensured, and the protection of the lens can be further ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 The present invention is a schematic structural diagram of a powerful explosion-proof image-type fire detector according to a specific embodiment of the present invention.

[0014] Attached Figure 2 The present invention is a schematic diagram of the explosion structure of a powerful explosion-proof image-type fire detector according to a specific embodiment of the present invention.

[0015] Attached Figure 3 The present invention is a schematic diagram of a partial cross-sectional structure of a powerful explosion-proof image-type fire detector according to a specific embodiment of the present invention.

[0016] 1-explosion-proof shell, 2-camera, 3-mounting table, 4-inner shell, 5-outer shell, 6-cooling protection chamber, 7-water inlet, 8-water outlet, 9-water inlet pipe, 10-micro water pump, 11-water mist nozzle, 12-emergency water tank, 13-lens protection cover, 14-tempered glass, 15-connecting hole, 16-drain outlet, 17-solenoid valve, 18-sealing ring. DETAILED DESCRIPTION

[0017] like Figure 1-3 As shown, a powerful explosion-proof image-type fire detector comprises an explosion-proof shell 1, a camera 2 and a mounting platform 3, wherein the explosion-proof shell is arranged on the camera, and the explosion-proof shell is connected to the mounting platform, and the explosion-proof shell comprises an inner shell 4 and an outer shell 5, a cooling protection cavity 6 for filling with cooling water is arranged between the inner shell and the outer shell, a water inlet 7 and a water outlet 8 are arranged on the outer shell, the water inlet is connected to a water inlet pipe 9, one end of the water inlet pipe is connected to a micro water pump 10, the micro water pump is connected to a water source, and the water outlet is provided with a water mist nozzle 11 for cooling the surface of the shell.

[0018] By setting up an explosion-proof shell cover composed of an inner shell and an outer shell, and setting a cooling protection cavity between the inner shell and the outer shell, when the detector is attacked by fire, the micro water pump starts to fill the cooling protection cavity with cooling water to ensure that the inner shell is at a lower temperature. At the same time, the surface of the outer shell is continuously cooled by the water mist nozzle to maintain the durability of the outer shell, so that the explosion-proof shell cover can maintain its durability for a long time, forming a strong protection for the camera, and ensuring that the camera can operate normally.

[0019] An emergency water storage tank 12 is arranged on the mounting platform, and the micro water pump is connected to the emergency water storage tank.

[0020] Since an emergency water tank is provided on the mounting platform, the micro water pump is connected to the emergency water tank, so that the water from the water source first flows through the emergency water tank and is partially stored in the emergency water tank. When there is a problem with the water source, the water in the emergency water tank can be used to maintain the cooling work of the explosion-proof shell for a period of time.

[0021] The explosion-proof shell is also provided with a lens protection cover 13, and a tempered glass 14 is provided on the lens protection cover. The lens protection cover is connected to the explosion-proof shell by threads. The explosion-proof shell is provided with a connecting hole 15, which respectively connects the cooling protection cavity and the interior of the lens protection cover.

[0022] Since a lens protective cover is also provided on the explosion-proof shell, a tempered glass is provided on the lens protective cover, the lens protective cover is connected to the explosion-proof shell by threads, a connecting hole is provided on the explosion-proof shell, and the connecting holes are respectively connected to the cooling protection cavity and the interior of the lens protective cover, so that when the explosion-proof shell is cooled, the lens can be protected by the lens protective cover at the same time, and the lens protective cover is filled with cooling water to prevent the lens from being damaged due to the difference in temperature.

[0023] The lens protection cover is also provided with a water drain port 16 , and a solenoid valve 17 is provided on the water drain port.

[0024] Since the lens protective cover is also provided with a drain port, and the drain port is provided with a solenoid valve, the cooling water in the lens protective cover can be drained through the solenoid valve after the fire is extinguished.

[0025] A sealing ring 18 is provided at the edge of the lens protection cover.

[0026] Since a sealing ring is arranged at the edge of the lens protection cover, the sealing performance inside the lens protection cover can be further ensured, thereby further ensuring the protection of the lens.

Claims

1. A powerful explosion-proof image-type fire detector, comprising an explosion-proof housing, a camera and a mounting platform, wherein the explosion-proof housing is arranged on the camera, and the explosion-proof housing is connected to the mounting platform, characterized in that: The explosion-proof shell cover includes an inner shell and an outer shell, a cooling protection cavity for filling with cooling water is provided between the inner shell and the outer shell, a water inlet and a water outlet are provided on the outer shell, the water inlet is connected to a water inlet pipe, one end of the water inlet pipe is connected to a micro water pump, the micro water pump is connected to a water source, and the water outlet is provided with a water mist nozzle for cooling the surface of the shell.

2. A powerful explosion-proof image-type fire detector according to claim 1, characterized in that: An emergency water storage tank is arranged on the installation platform, and the micro water pump is connected to the emergency water storage tank.

3. A powerful explosion-proof image-type fire detector according to claim 1, characterized in that: The explosion-proof shell is also provided with a lens protection cover, the lens protection cover is provided with tempered glass, the lens protection cover is connected to the explosion-proof shell by threads, the explosion-proof shell is provided with a connecting hole, and the connecting hole is connected to the cooling protection cavity and the interior of the lens protection cover respectively.

4. A powerful explosion-proof image-type fire detector according to claim 3, characterized in that: The lens protection cover is also provided with a water drain port, and the water drain port is provided with a solenoid valve.

5. A powerful explosion-proof image-type fire detector according to claim 3, characterized in that: A sealing ring is arranged at the edge of the lens protection cover.

Images