Common testing methods and testing principles of air tightness detectors--technical report
2022.08.17
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In this era of consumption, the current application of air tightness testers has been popularized in various industries such as: mobile phone industry, automobile industry, battery industry, home appliance industry, smart wearables, audio industry, outdoor security, military supplies, medical equipment, valves and pipes, and wiring harness industries for air tightness testing of various products.In order to make the product achieve a certain degree of air tightness/If the waterproofness meets its own product quality standards, then the manufacturer will have such a question, how does the air tightness tester perform the air tightness tester on the product on the production line??What is the detection principle when the air tightness tester is used to test the air tightness of products??For this problem, first of all, we will show an air tightness detector, which is an air tightness detector and air tightness testing equipment that uses compressed air as the detection medium.Its appearance is as shown below 

 

 

Air tightness testing, here we refer to testing the tightness of the products that need to be tested. This testing system generally consists of several parts: 

1Air sourceProvide the compressed air required for the product under test

 

 

2Air tightness detectorPressurize or evacuate the product under test as required, analyze the leakage, and display the test results.

 

3、Test fixture: Properly seal the product under test as required.

 

 

 

 

Air tightness testers have a wide range of applications, including:

Mobile phone industry: mobile phone back cover/The middle frame, the whole machine is waterproof, various waterproof parts, waterproof mobile phone cases, etc.

Automotive industry: tire pressure, car cameras, car lights, controllers, car pipelines, charging guns, etc.

Battery industry: battery packs, lithium battery casings, terminals and casings, battery chargers, etc.

Home appliance industry: home controllers, coffee machines, juicers, blenders, kettles, electric toothbrushes, etc.

Smart wearables: smart bracelets, watches, underwater alarms, smart badges, etc.

Audio industry: sports audio, Bluetooth speakers, Bluetooth headsets, etc.

Outdoor security:LEDLights, outdoor cameras, smart door locks, outdoor detectors, communication base stations, underwater alarms, etc.

Military supplies: fuzes, walkie-talkies, handheld walkie-talkies, vehicle-mounted walkie-talkies, three-proof mobile phones, etc.

Medical equipment: blood pressure monitors, electronic thermometers, endoscope capsules and various infusion and oxygen tubes.

Valve and pipeline: valve sealing, pipe permeability, joint sealing test.

Wiring harness industry: waterproof connectors, waterproof wires, etc.

 

For air tightness testing products in different industries, we can divide the products into finished products and semi-finished products.Below, Hirays Technology shows the testing principles (circuit block diagram) of different air tightness detection systems as follows:

 

Schematic diagram of direct inspection of semi-finished products:

 

Principle diagram of indirect inspection of finished products:

 

For ten years, Hirays Technology has been on the road of precipitation and accumulation, creation and innovation of air tightness and waterproof detection technology. In the past ten years, Hirays Technology has provided more than800partners have provided considerate services and have2000The above sets of equipment ensure the airtightness and waterproof function of customer products.

“Build a platform for the team, create value for customers, and let givers share success.”This is the value that Hirays Technology has always adhered to during its growth.

“Focus, innovation, value sharing”is our business philosophy.Thanks to the team who have been together through thick and thin, and thanks to the customers who have worked hand in hand along the way.

how to get from“Made in China”Towards“Intelligent manufacturing in China”, Hai Ruisi people use actions to explore and practice.Chinese brands should not be synonymous with low price and inferior quality; we need China's CRRC and Huawei in every industry. Hirays Technology must become CRRC and Huawei in the professional field of air tightness and waterproof testing. This is the meaning of our persistence and perseverance.

“China's brand, the height of the world”, is the glory and dream of Hiraysi people!It is also a mission that our generation must carry on our shoulders!

 

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