The lifebuoy indicator light is a self-rescue device attached to the lifebuoy. The lifebuoy indicator light is a necessary safety rescue equipment on various ships. According to the International Convention for the Safety of Life at Sea, a certain number of indicator lights are required on the lifebuoy on the ship.This is helpful to find the lifebuoy and the target of the person who fell into the water in time when falling into the water at night, so the indicator light must have corresponding air tightness.People have strict requirements for the lifebuoy indicator light. If its air tightness is not good, the indicator light may be scrapped due to water intrusion.

(Air tightness tester for lifebuoy indicator light)

Hirays Technology has done a lot of research in the field of air tightness testing. This time we will share the air tightness testing case of lifebuoys, hoping to be helpful to everyone.

1. Air tightness testing requirements for lifebuoy indicator lights

1. The shape of the lifebuoy indicator light is small and the overall shape is a regular quadrilateral. On the front is the functional area for operation, buttons and indicator lights. Its precision and accuracy of the display results are the focus of people's attention. Therefore, during the test, more attention should be paid to the non-destructiveness, accuracy and operability of the air tightness test;

(Display of air tightness testing tooling for lifebuoy indicator lights)

2. Due to the high precision of the equipment, it is difficult to carry out direct detection, so this detection will use indirect detection methods to ensure that the equipment is more convenient during detection and the results are more accurate.

two, Demonstration of the air tightness testing process of the lifebuoy indicator light

1. For the products tested this time, Hirays Technology customized a special mold for it. The mold was cast according to the shape of the lifebuoy indicator light; and this time we used a very cost-effective air tightness detector, a single instrument with dual channels, which can test two products at the same time;

(Details of air tightness detection of lifebuoy indicator light)

2. Before starting the test, we put the lifebuoy indicator lights into the mold one by one. After setting the program of the instrument, press the start button and close the upper and lower molds to form a sealed space for the test product.Then, the conduit connected to the instrument injects impurity-free gas into the mold, and the instrument will judge whether the air tightness of the lifebuoy indicator light meets the standard based on the air pressure inside the mold;

3. The Hirays air tightness detector has a high degree of automation, short detection time, and a simpler operation interface.The tester is also equipped with"Positive, negative"Two pressure forms and 8 basic test modes can be selected individually or combined.It uses 24-bit A/D conversion, 32-bit CPU operation, and a completely independently developed industrial control operating system, combined with a full-touch human-computer interaction interface.Built-in RS232 serial port, RJ45 network port, USB communication interface, LTP external I/O control port, supports multiple communication protocols, diversified self-service operations, and combines artificial intelligence with intelligence to enhance the operability of the device.

3. Parameter table of air tightness detector for lifebuoy indicator light

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