Leakage detection device for fire extinguishing bottle group

Abstract

The invention discloses a fire extinguishing bottle group leakage detection device which comprises a fire extinguishing system bottle group test water cover, a bubble motion image acquisition device based on machine vision and a data recording and analyzing system. According to the fire extinguishing bottle group leakage detection device, a bubble motion image acquisition device based on machine vision comprises a high-speed high-definition video camera, a local data receiving device and a data display device, and a data recording and analyzing system comprises network data transmission, a mains supply socket, a UPS (Uninterrupted Power Supply), a cloud platform end and a client mobile APP end. The bottle group test water cover of the fire extinguishing system comprises a water adding device and a vacuumizing device, bottle group leakage detection of the fire extinguishing system is carried out instead of a traditional water pool soaking and manual observation mode, the use of the leakage detection device can reduce the investment of detection personnel, and does not depend on the horizontal ability of the detection personnel and the watching of the detection personnel; the device can monitor multiple stations in real time at the same time, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting fire extinguisher bottle group leakage detection device. Background Art

[0002] According to the sealing requirement of 5.2.4 of "Gas Fire Extinguishing Systems and Components" GB25972-2010, "the air tightness test shall be carried out according to the method specified in 6.4.2, and the fire extinguishing agent bottle group shall have no bubble leakage". When the fire extinguishing system bottle group leaves the factory, it shall be inspected for leakage and qualified.

[0003] The common detection method in the market is to fill the fire cylinder to the design pressure, 2.5MPa~20MPa (1atm), and then put the whole cylinder into the water tank to observe whether there are bubbles. However, this method can only detect relatively large leaks. According to calculations, the bubble diameter is φ2.26mm, and the leakage rate is about 1.0x10 -4 mbar l / s, it is difficult to detect small bubbles in the water tank in real time. The detection process is not intuitive and not operational. Summary of the invention

[0004] The object of the present invention is to provide a fire extinguisher bottle group leakage detection device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A fire-fighting fire extinguishing bottle group leakage detection device comprises a fire extinguishing system bottle group test water cover, a bubble motion image acquisition device based on machine vision, and a data recording and analysis system. The bubble motion image acquisition device based on machine vision comprises a high-speed high-definition video camera, a local data receiving device and a data display device. The data recording and analysis system comprises network data transmission, a mains socket, a UPS power supply, a cloud platform end, and a customer mobile APP end. The fire extinguishing system bottle group test water cover comprises a water adding device and a vacuum pumping device.

[0007] As a further solution of the present invention: the fire extinguishing system bottle group test water cover is suitable for container valves and bottle groups of various specifications.

[0008] As a further solution of the present invention: the water adding device is arranged on the side wall of the fire extinguishing system bottle group test water cover, the vacuum pumping device is arranged on the top of the fire extinguishing system bottle group test water cover, and the bottom of the fire extinguishing system bottle group test water cover is also provided with a rubber insulation pipe.

[0009] As a further solution of the present invention: a square green sunshade is provided on the outer side of the test water cover of the fire extinguishing system bottle group directly opposite to the high-speed high-definition video camera.

[0010] As a further solution of the present invention: the cloud platform includes a bubble size measurement module and a bubble quantity measurement module.

[0011] As a further solution of the present invention: the data display device includes a working fault alarm light module and a real-time data detection result display module.

[0012] As a further solution of the present invention: the cloud platform also includes a data recording module and a video data parsing module.

[0013] As a further solution of the present invention: the data recording and analysis system can provide real-time on-site alarm and mobile phone APP client alarm according to the requirements of the specification on the leakage value.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The bottle group leakage test water cover, water adding device, vacuum device, bubble motion image acquisition device based on machine vision, and data recording and analysis system provided by the present invention replace the traditional water pool immersion and manual observation methods for bottle group leakage inspection of the fire extinguishing system. The use of the leakage detection device can reduce the input of inspection personnel, does not rely on the level of inspection personnel and the inspection personnel's close attention. Moreover, the device can monitor multiple stations simultaneously in real time, greatly improving work efficiency. The annual inspection quantity can reach more than one million bottle groups. Through the cloud platform, timely reminders of current inspection results, replacement, maintenance and other instant notification information can be provided, greatly reducing the risk of equipment failure or expiration. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a structural schematic diagram of a fire extinguisher bottle group leakage detection device.

[0017] In the figure: 1. Test water cover for fire extinguishing system bottle group; 2. High-speed high-definition video camera; 3. Local data receiving device; 4. Data display device; 5. Network data transmission; 6. AC power socket; 7. UPS power supply; 8. Cloud platform end; 9. Customer mobile APP end; 10. Water adding device; 11. Vacuum extraction device; 12. Rubber insulation pipe; 13. Square green sunshade. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1 In an embodiment of the present invention, a fire extinguishing bottle group leakage detection device includes a fire extinguishing system bottle group test water cover 1, a bubble motion image acquisition device based on machine vision, and a data recording and analysis system. The bubble motion image acquisition device based on machine vision includes a high-speed high-definition video camera 2, a local data receiving device 3 and a data display device 4. The data recording and analysis system includes network data transmission 5, a mains socket 6, a UPS power supply 7, a cloud platform end 8, and a customer mobile APP end 9. The fire extinguishing system bottle group test water cover 1 includes a water adding device 10 and a vacuum pumping device 11.

[0020] The fire extinguishing system bottle group test water cover 1 is a transparent plexiglass cover, which is suitable for container valves and bottle groups of various specifications. Multiple fire extinguishing bottle group leakage detection devices can be set at the same time. To set up multiple fire extinguishing bottle group leakage detection devices, only the high-speed high-definition video camera 2 and the fire extinguishing system bottle group test water cover 1 are set up in multiple ways.

[0021] The water adding device 10 is arranged on the side wall of the fire extinguishing system bottle group test water cover 1, the vacuum device 11 is arranged on the top of the fire extinguishing system bottle group test water cover 1, and the bottom of the fire extinguishing system bottle group test water cover 1 is also provided with a rubber insulation pipe 12.

[0022] A square green sunshade 13 is provided on the outer side of the fire extinguishing system bottle group test water cover 1 and directly opposite to the high-speed high-definition video camera 2.

[0023] The cloud platform end 8 includes a bubble size measurement module and a bubble quantity measurement module.

[0024] The data display device 4 includes a working fault warning light module and a real-time data detection result display module.

[0025] The cloud platform terminal 8 also includes a data recording module and a video data analysis module.

[0026] The data recording and analysis system can provide real-time on-site alarm and mobile APP client alarm according to the leakage value requirements of the specification.

[0027] The high-speed high-definition video camera 2 is electrically connected to the local data receiving device 3, the local data receiving device 3 is electrically connected to the data display device 4, the local data receiving device 3 is connected to the cloud platform end 8 through the network data transmission 5, the cloud platform end 8 is wirelessly connected to the customer mobile APP end, the water adding device 10, the vacuum pumping device 11, the high-speed high-definition video camera 2, the local data receiving device 3, and the data display device 4 are all electrically connected to the AC power socket or UPS power supply.

[0028] The working principle of the present invention is:

[0029] When in use, the fire extinguishing system bottle group test water cover 1 is tightly against the fire extinguishing system bottle through the rubber insulation tube 12, and is filled with water through the water adding device 10. After filling with water, it is evacuated through the vacuum device 11 to eliminate the bubbles originally attached to the bottle group and the container valve in the fire extinguishing system bottle group test water cover 1, and the high-speed high-definition video camera 2 is turned on. The leakage detection time is 5 minutes. During this period, the number and volume of bubbles generated in the container valve and the connection with the bottle group in each fire extinguishing system bottle group test water cover 1 are recorded, and the computing server calculates the mass of the leaked gas within 5 minutes. The display end gives the bottle group whose leakage does not meet the national standard. After the inspector confirms it, the leakage detection of this batch is completed; after a batch of bottle groups are replaced, the device starts a new batch of leakage detection.

[0030] The fire extinguishing device bottle group leakage detection device consists of three parts: the first part: the on-site fire extinguishing system bottle group water cover, water injection device, vacuum device, high-speed high-definition video camera to monitor the size and number of bubbles, and data display device equipped with software; the second part: the network transmission part is based on broadband network, wireless network, ADSL or industry user private network; the third part: management center software platform, unattended server, monitoring terminal, MIS network terminal, etc.

[0031] Daily fire cylinder leakage detection is shown in the following table:

[0032]

[0033] System Features:

[0034] 1. Reasonable structure and advanced concept: mainly focusing on bubble size and quantity monitoring, supplemented by environmental monitoring (temperature, air pressure), advanced data analysis technology, third-generation network technology, C / S and B / S monitoring modes optional;

[0035] 2. Comprehensive platform with powerful functions: it integrates bubble (size, location, quantity) monitoring, ambient temperature monitoring, ambient air pressure and air pressure inside the water cover, comprehensive alarm processing and other information, and supports SMS alarm sending;

[0036] 3. High integration and easy to use: One software platform can control all devices in the management system, reducing user maintenance costs;

[0037] 4. Good scalability and flexible upgrade: The system adopts modular design and flexible configuration. It can be invested in one go or continuously for smooth transition.

[0038] 5. Open protocol, easy to be compatible: the system adopts international protocol standards, and any device that complies with the standard protocol can be included in the system

[0039] 6. Safe production, increased efficiency and reduced capital: Focus on safety prevention, assist industry users in safe production, centrally manage and monitor all front-end equipment in real time, reduce staff and increase efficiency.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire extinguishing bottle group leakage detection device, comprising a fire extinguishing system bottle group test water cover (1), a bubble motion image acquisition device based on machine vision, and a data recording and analysis system, characterized in that: The bubble motion image acquisition device based on machine vision comprises a high-speed high-definition video camera (2), a local data receiving device (3) and a data display device (4); the data recording and analysis system comprises network data transmission (5), a mains power socket (6), a UPS power supply (7), a cloud platform terminal (8), and a client mobile APP terminal (9); and the fire extinguishing system bottle group test water cover (1) comprises a water adding device (10) and a vacuum pumping device (11).

2. A fire extinguisher bottle set leakage detection device according to claim 1, characterized in that: The fire extinguishing system bottle group test water cover (1) is suitable for container valves and bottle groups of various specifications.

3. A fire extinguisher bottle set leakage detection device according to claim 1, characterized in that: The water adding device (10) is arranged on the side wall of the fire extinguishing system bottle group test water cover (1), the vacuum pumping device (11) is arranged on the top of the fire extinguishing system bottle group test water cover (1), and the bottom of the fire extinguishing system bottle group test water cover (1) is also provided with a rubber insulation pipe (12).

4. A fire extinguisher bottle set leakage detection device according to claim 1, characterized in that: A square green shading plate (13) is provided on the outer side of the fire extinguishing system bottle group test water cover (1) directly opposite to the high-speed high-definition video camera (2).

5. A fire extinguisher bottle set leakage detection device according to claim 1, characterized in that: The cloud platform end (8) comprises a bubble size measurement module and a bubble quantity measurement module.

6. A fire extinguisher bottle set leakage detection device according to claim 1, characterized in that: The data display device (4) comprises a working fault warning light module and a real-time data detection result display module.

7. A fire extinguisher bottle set leakage detection device according to claim 1, characterized in that: The cloud platform end (8) also includes a data recording module and a video data analysis module.

Images