Based on Bluetooth transmission technology, especially the new generation Bluetooth5.2 technology, TWS headset technology has gradually matured. Its more convenient use and smaller size have triggered continued enthusiasm in the headset market.

The headphone charging compartment serves asTWS earphone accessories products, itsSealing performanceandWaterproof performanceClosely related to the quality of the product.Especially headphones used outdoors are often exposed to sweat, rain and other liquids. The sealing performance and waterproof performance of the battery compartment are directly affected.affectimprove the service life and quality of Bluetooth headsets.

picture1-1 TWS earphone battery compartment

Therefore, headphone manufacturers need to use an air tightness tester to test the headphones before leaving the factory.battery compartmentconductAir tightness testing.This time we are going to do some repairs to the battery compartment of this headsetThe whole machineofIP67 waterproof detection, made a complete set of testing equipment, molds, tooling and instruments at the customer's request.The area to be tested isCharging of left and right earspin、The junction of the front and rear shells of the battery compartmentthe sealing andUSB interface。

picture1-2 Complete set of testing equipment

The waterproof level to be tested for this battery compartment isIP67 rating.according toIP67 grade standard, test pressure is 10kpa, this test pressure is equivalent to the productOne meter deepThe pressure endured.air intake time3s, voltage stabilization time 5s, test time 5s. The maximum allowable leakage is0.1kpa , equivalent to100Pa.Connect the Hirays air tightness testing tooling and instruments together through the factory air source, plug in the power, and start the battery compartment installation.IP67 waterproof detection. 

picture1-3 Start testing

The air tightness detector chosen by the customer this time isHai RuisiHC series air tightness testing instrument。

picture1-4 HC Classic Series Air Tightness Detector

The Classic series is a very mature and stable instrument from Hirays.With its high precision and stability, more than 20,000 sets of equipment have been deployed in more than 5,000 customer factories.The functions and performance parameters of the instrument can meet the needs of most customers while also taking into account the cost performance.