The wireless charging of smartphones is the mainstream "Qi" standard, but he was shown a test machine to test whether the charger meets the Qi standard standard.Currently, one in three smartphones supports wireless charging.This time, I would like to take a topic related to Qi.
GRL's Qi test machine
A wireless charging that solves the compatibility problem of the cable
I'm a wireless charging group, so it's really troublesome to find a Lightning cable for an old iPad that doesn't support.In addition, since the child began to use it, the charging did not start even if it was inserted normally.The cable is put on or down and inserted it, and it is finally charged.There are many other things to charge.I sincerely think that if wireless charging becomes widespread, the room will be more clear.
By the way, the "Qi" standard for wireless charging such as smartphones is currently expanding.GRANITE RIVER LABS (GRL), a company of Silicon Valley, which manufactures the Qi test equipment, was held a presentation in Japan, so I was bothered.GRL has a lab in Yokohama in Japan.
The content of the presentation is that the GRL Qi test equipment "GRL-C3" has been certified as a Qi test equipment by the standardization organization Wireless Power Consortium (WPC) that formulate Qi.The terminal that satisfies the GRL-C3 test can be compliant with the Qi standard.
The price is about 6 million yen.It supports the latest version of Qi, "Qi V1.3", and supports two structures: BPP (Base Power Profile) up to 5W and EPP up to 15W (Extended Power Profile).Corresponds to tests such as coils requested by Qi standards, foreign substance detection functions (FOD), magnetic spacers, thermal recording meters, etc. that can detect foreign substances between coils.About 200 items.Moreover, it is automated, and it seems to be an excellent one that can be compliant testing simply by pressing the button (GRL's global service president, Holgar Kunz).
Needless to say, in the wireless charging standard, tests are needed.If the verification is not performed properly, it will lead to an accident such as a fire.In fact, such reports are increasing worldwide.
The demonstration also showed off the test results of a wireless charger that followed the Qi standard and a wireless charger.
Not all of the wireless chargers sold in the market are compliant with the Qi standard.Example of "Fail"
Correspondence on the iPhone is a catalystick, and in 2021 there is one Qi -equipped smartphone in three.
Qi -compatible products have been available for about 10 years, but the full -fledged rising is also due to the iPhone response.Apple's iPhone X and iPhone 8 have gained recognition at once.According to GRL, smartphones, which were about 5 % in 2016, were twice as 10 % in 2017.The spread of new technologies such as 4G, 5G, and NFC is also applicable here.
In 2021, the ratio of smartphones corresponding to Qi is expected to have one or more in three units.In 2025, 50 % of the shipments on a world -based volume are expected to acquire Qi authentication.
I think that the charging speed will be further faster, more stable, and if there are more places that can be used in public, such as restaurants and airports, it will be wider.WPC is working on high -output Qi specifications, and the GRL opinion is that the possibility will be opened, such as installing a wireless charging station on the table in the future.
Personally, I think there is room for ingenuity in the design on the charger side.I thought I was charging at night, but I got up in the morning and had not been able to charge it.
