Dallacaadda^(Wireless) fiilo la'aanta ah waxay kuu ogolaanaysaa inaad ku dallacdo qalabkaaga adigoon ku xidhin fiilada USB^{(USB cable)} . Way quruxsan tahay, laakiin sidee bay dhab ahaantii u shaqeysaa? Waa maxay sababta xitaa dhib? Waa maxay cilladaha? 

Waxaan wax ka qaban doonaa wax kasta oo aad u baahan tahay inaad ka ogaato sida ku dallacaadda wirelessku u shaqeeyo halkan. Mar^(Soon) aan dheerayn waxaad illoobi doontaa siduu ahaa dhammaan isku-xidhnaanta siligaas!

Arrin Ku Saabsan Soo Bandhigid^(Induction) , Gacaliye Watt^{(My Dear Watt)} (wiil)

Guud ahaan, dabaysha bilaa-waayirka ah waxa ay isticmaalaan hanti magnetism-ka iyo koronto loo yaqaan dallacaadda “induction”. Asal ahaan^(Basically) , hadda korantada waxaa loo beddelaa goob magnet ah. Goobtan ayaa markaa soo jiidata korantada qalabka aad rabto inaad ku dalacdo.

Taasi waa xoogaa fududaynta, laakiin asal ahaan waa waxa ku dhaca habka dallacaadda wireless-ka. Waxaa jira laba gariirood, mid ka mid ah qalab kasta, oo tamarta ka beddela qaab kale.

Kani waa qaabka ugu badan ee dallacaadda bilaa-waayirka ah ee aad u badan tahay in aad ka dhex hesho agabka gaarka ah sida casriga ama saacadaha smart. Dallacaadda kicinta^(Induction) waxay ka shaqeysaa kaliya masaafo aad u gaaban. Caadi ahaan 10mm ama ka yar. Markaa in kasta oo korontadu ay tahay “wireless” waxaad inta badan u baahan tahay inaad ku dejiso aaladda nooc ka mid ah suufka dallacaadda si ay korontadu u socoto. Dabeyeyaasha^(Induction) soo- gelinta sida kuwan oo kale waxay isticmaalaan calaamado soo noqnoqda oo hooseeya si ay koronta uga dhaqaajiyaan aaladda.

Beddelka Resonant

Miyayna wanaagsanayn inaad qolka gasho oo dhammaan qalabkaagu helo koronto? Taasi waa ballan-qaadka eedayn culus. Isticmaalka mowjadaha raadiyaha ee soo noqnoqda si aad ugu dirto tamarta qalabka si aan fiilo lahayn. 

Faa'iidada ugu weyn ee habkan ayaa ah in hirarka soo noqnoqda ee aad u sarreeya ay aad uga fogaan karaan dabaysha induction ay maamuli karaan. Waxaan ka hadleynaa cago badan. Markaa ilaa inta aad ku jirtid inta u dhaxaysa gariiradda, qalabkaagu wuu kori doonaa. 

Waa fikrad mustaqbalka ah, laakiin hormoodka korantada Nikola Tesla ayaa samaynayey in ka badan qarni ka hor^{(more than a century ago)} . Hadday^(Had) taariikhdu u socon lahayd jiho ka duwan, korantada bilaa-waayuhu waxay ahaan lahayd habka caadiga ah ee wax loo qabto maanta.

Tartan Laba-faras ah

Waxaa jira habab kala duwan oo loo maro sida dallacaadda wireless-ku u shaqeyso, mid walbana wuxuu leeyahay faa'iidooyin iyo khasaarihiisa. Shirkado kala duwan ayaa leh aragtiyo kala duwan oo ku saabsan sida aan dhammaanteen dooneyno inaan u isticmaalno tamarta wireless nolol maalmeedka. Tani waxay keentay in la qaado heerar kala duwan oo lagu dallaco wireless-ka iyo, sida aad u malaynayso, heerarkani ma wada shaqeeyaan.

Xajiyeyaasha wireless-ka ee Qi^{(Qi wireless chargers)} waxay adeegsadaan habka soo-gelinta muddada-gaaban waana tan waxa aad ka heli doonto inta badan aaladaha gaarka ah ee ku dalaca wireless-ka.

Heerarka AirFuel wuxuu isticmaalaa habka resonant ee fog oo ma badna inaad ogaato inay ku dhex dhisan tahay qalabkaaga ilaa hadda. Si kastaba ha ahaatee, waxaad ka iibsan kartaa kiisaska gaarka ah^{(special charging cases)} ee dallacaadda casriga ah ee ku daraya awoodda AirFuel iyaga.

Degdeg ah! Degdeg ah!

Hal shay oo laga yaabo inaad ka ogaato ku dallacaadda wireless-ka, iyadoon loo eegin heerka, waa inaysan bixinin awood intaas le'eg. Dallacaadda degdegga ah waxay noqotay wax aad u badan heerka marka la isticmaalayo fiilada. Casriga casriga ah ee USB-C iyo laptops-yada waxay badanaa aqbali karaan wax kasta oo u dhexeeya 40 iyo 60 watts. Adigoo isticmaalaya USB-C Power Delivery , waxaad dhab ahaantii u dhaqaaqi kartaa 100W oo koronto ah fiilada USB-C , laakiin maaha baytariyada lithium ion hadda ee taleefanku way aqbali karaan taas.

Xajiyeyaasha Qi ama AirFuel ma bixiyaan ku dhawaad ​​​​xoog badan, laakiin labada heerba way horumarayaan. Waqtiga qorista, 40W dallacaadda degdegga ah ee bilaa-waayirka ah ayaa bilaabay inay soo gasho suuqa iyo AirFuel waxay^(AirFuel) rajeyneysaa inay gaarto 100W mar mustaqbalka. Waxaan sidoo kale filan karnaa in tignoolajiyada batteriga ay horumarto, taasoo sahlaysa in si dhakhso leh loogu dallaco aaladaha. 

Si kastaba ha ahaatee, hadda, mid ka mid ah hoos u dhaca weyn ee dallacaadda wireless waa in ay ka gaabineyso isticmaalka xiriirka tooska ah oo aan si firfircoon u awood u lahayn qalabka u baahan xitaa qadar dhexdhexaad ah oo awood ah si uu u shaqeeyo.

Hal Charger si uu u xukumo dhamaantood

Mid ka mid ah faa'iidooyinka ugu weyn ee dallacaadda wirelessku waa in ay meesha ka saarto dhammaan heerarka fiilooyinka kala duwan. Waa hagaag^(Well) . taasi waxay u malaynaysaa in dhammaan aaladahaagu ay isticmaalaan heer isku mid ah, laakiin ku dallaca Qi ayaa meel walba ku noqonaysa aaladaha sida casriga ah.

Markaa qof kasta oo haysta aaladda Qi wuxuu si fudud ugu dhejin karaa suufkaaga oo wuu dallaci karaa. Taasi waa qabow, laakiin qaabka dhabta ah ee dilaaga ah waa awoodda lagu dallaci karo qalabyo badan oo isku mid ah suufka dallacaadda isku mar. Waxaad u baahan tahay dallad leh hal gariirad qalab kasta oo aad rabto inaad ku dalacdo. 

Tusaale ahaan, " xajiyeyaasha saddex-geesoodka ah^{(triple chargers)} " waxay leeyihiin saddex gariirood, sidaas darteedna saddex dhibcood. Waxaad isku soo ag dhejin kartaa saddex qalab oo aad isku mar dallici kartaa. Taasi waxay noqon kartaa xal quruxsan oo qurux badan. Tusaale ahaan, haddii aad dhigto saddex-xajiyeyaasha miiska dhinaca ee qolkaaga fadhiga, waa meel dhexe oo ay dadku ku dhejin karaan qalabkooda.

Aaladaha Kaliya Ku Dalaca Wireless-La'aanta

Inta badan aaladaha ku dalaca wireless-ka, sida taleefannada casriga ah, waxay sidoo kale ku siinayaan ikhtiyaarka dallacaadda fiilooyinka. Si kastaba ha ahaatee, waxaa jira qalabyada qaarkood oo kaliya kuu ogolaanaya inaad ku dalacdo si siman. Saacadaha casriga ah waa hal tusaale oo tan^{(Smartwatches are one example of this)} marka aad ka fikirto, macno ayay samaynaysaa. 

Haddii aad rabto inaad abuurto qalab runtii boodh iyo biyuhu aanay biyuhu lahayn, haysashada farabadan ee dekedu waxay noqon kartaa xanuun. Ma aha in la xuso in aaladaha yar yar sida burooyinkooda bilaa-waayirka ah ama smartwatches inta badan aysan boos u haysan xirayaasha caadiga ah si kastaba. 

Sidee ku dallacaadda wirelessku u shaqeysaa aaladaha waaweyn? In kasta oo aanay weli jirin taleefanno, tablets ama laptops aan ka warqabno ku dallacaadda wireless-ka ee gaarka ah ha u malayn in aanay weligeed dhici doonin. Aalad gebi ahaanba xidhan oo adeegsata isgaadhsiinta bilaa-waayirka ah iyo dallacaadda ayaa furi doonta albaabo cusub marka ay timaado ruug-caddaynta iyo naqshadaynta.

Telefoonada^(Phones) & Bangiyada Korontada ee bixiya Dallacaadda Wireless-ka^{(Power Banks That Provide Wireless Charging)}

Dabaysha bilaa-wireless-ka laftoodu waxa ay noqdeen bilaa-waayirka macnaha in aad hadda heli karto bangi koronto ah iyo xitaa talefannada casriga ah oo ku dalaci kara aaladaha bilaa wireless-ka iyaga oo isticmaalaya heerka Qi. 

Taleefannada casriga ah sida Note 10+ waxay leeyihiin astaamo loo yaqaan “Wireless Powershare” waxayna aad ugu anfacayaan dallacaadda aaladaha sida dhegaha-dhegaha wireless-ka ama saacadaha smart. Bangiyada korantada ee wireless^{(Wireless power banks)} -ka ayaa dabcan sidoo kale faa'iido u leh kiiskaas isticmaalka, laakiin sidoo kale waxay keenaysaa suurtogalnimada xiisaha leh ee ku dhejinta telefoonkaaga bangiga korontada oo si ku meel gaar ah u isticmaaleyso hal xadhig oo bilaash ah.

Mustaqbal bilaa Wireless ah

Ku dallacaadda soo-bandhigidda Qi ee muddada-gaaban ayaa hubaal ah inay halkan joogto, laakiin waxaan aragnay qaar ka mid ah bandhigyada cajiibka ah ee dallacaadda muddada-dheer iyadoo la adeegsanayo habka dhawaaqa. Ku dhejinta TV-ga LCD oo leh gariiradda qaataha, oo si fudud u keenaya inta u dhaxaysa gariiradda kale ee lagu rakibay gidaarka ayaa daaran doonta. 

Awoodda iyo xogta labadaba la isugu gudbiyo si aan fiilo lahayn, waxaa jira wadooyin cusub oo ay naqshadeeyayaasha alaabadu qaadan karaan. Waxaa laga yaabaa in aan u socono mustaqbal xiiso leh oo qalabyada had iyo jeer leh awood, aan u baahnayn in la furo iyo xaaladaha qaarkood uma baahna baytari si ay u shaqeeyaan.

Dabcan, waxa ay ahaan doontaa wakhti ilaa inta awooda fiilo fog ee fog ay noqoto mid caadi ah. Waxaa hubaal ah inaad sidoo kale filan karto xoogaa dib u dhac ah. Waxaa horeba u jiray walaac badan (caadiyan aan loo baahnayn) oo ku saabsan tignoolajiyada shucaaca korantada sida 5G oo sababa arrimo caafimaad ama dhibaatooyin deegaanka ah. Waxaan fileynaa in cabashooyin la mid ah ay soo baxaan marka gudbinta korantada wireless-ka ee fogaantu ay badato. 

Hadda si kastaba ha ahaatee, ma jiro qof u muuqda inuu leeyahay arrin ku saabsan dallacaadda soo-gelinta ee baaxadda gaaban. Immisa^(How) aaladahaaga ah ayaa ku dallaci kara bilaa-waayirka? Intee^(How) jeer ayaad isticmaashaa sifadaas? Waxaan jeclaan lahayn inaan ka maqalno faallooyinka.

 

How Does Wireless Charging Work?

Wireless charging lets you charge up уour gadgets without having to plug in a USB cable. It’s pretty neat, but how does it actually work? Why even bother? What are the downsides? 

We’ll tackle everything you need to know about how wireless charging works right here. Soon you’ll forget what all that wire clutter was like!

A Matter Of Induction, My Dear Watt(son)

Generally, wireless chargers use a property of magnetism and electricity known as “induction” charging. Basically, electric current is converted into a magnetic field. This field then induces an electric current in the device you want to charge.

That’s a bit of an oversimplification, but it’s essentially what happens in the wireless charging process. There are two coils, one in each device, that convert the energy from one form to another.

This is the most common form of wireless charging you’re likely to find in personal gadgets such as smartphones or smart watches. Induction charging only works over very short distances. Usually 10mm or less. So although the power is “wireless” you usually need to set the device down on some sort of charging pad for the power to flow. Induction chargers such as these use low frequency signals to move power from the charger to the device.

The Resonant Alternative

Wouldn’t it be cool to just walk into a room and have all of your devices receive power? That’s the promise of resonant charging. Using high-frequency radio waves to send power to devices wirelessly. 

The big advantage of this method is that the relatively high-frequency waves can travel much farther than induction chargers can manage. We’re talking multiple feet. So as long as you stay within range of the coil, your device will power up. 

It’s a futuristic idea, but electrical pioneer Nikola Tesla was doing it more than a century ago. Had history gone in a slightly different direction, wireless electricity might have been the standard way of doing things today.

A Two-Horse Race

There are different approaches to how wireless charging works, each with their own pros and cons. Different companies have different visions as to how we all want to use wireless power in daily life. This has given rise to multiple standards for wireless charging and, as you’ve probably guessed, these standards don’t inter-operate.

Qi wireless chargers use the short-range induction method and this is what you’ll find in most personal devices that charge wirelessly.

The AirFuel standard uses the long-range resonant method and you’re not likely to find it built into your gadgets quite yet. However, you can buy special charging cases for smartphones that add AirFuel capability to them.

Faster! Faster!

One thing you may notice about wireless charging, regardless of the standard, is that they don’t offer that much power. Fast-charging has become pretty much the standard when using a cable. Modern USB-C smartphones and laptops can often accept anything between 40 and 60 watts. Using USB-C Power Delivery, you can actually move 100W of power over a USB-C cable, but not current lithium ion batteries in a phone can accept that.

Qi or AirFuel chargers don’t offer nearly as much power, but both standards are evolving. At the time of writing, 40W wireless fast charging has started to enter the market and AirFuel hopes to reach 100W at some point in the future. We can also expect battery technology to improve, making it easier to charge devices more quickly. 

However, as of right now, one major downside of wireless charging is that it’s slower than using a direct wire connection and it can’t actively power devices that need even a moderate amount of power to work.

One Charger To Rule Them All

One great advantage of wireless charging is that it does away with all the different cable standards. Well. that’s assuming all your devices use the same standard, but Qi charging is becoming pretty ubiquitous for devices like smartphones.

So anyone with a Qi device can simply put it on your pad and charge up. That’s cool, but the real killer feature is the ability to charge multiple devices on the same charging pad at the same time. You need a charger with one coil for each device you want to charge. 

For example, “triple chargers” have three coils and therefore three charging spots. You can put three devices next to each other and have them charge at the same time. That can be a pretty elegant solution. For example, if you place a triple charger on a side table in your living room, it’s a central place where people can put their devices.

Devices That Only Charge Wirelessly

Most devices that charge wirelessly, such as smartphones, also give you the option of wired charging. However, there are some devices that only let you charge them wirelessly. Smartwatches are one example of this and when you think about it, it makes sense. 

If you want to create a device that’s truly dust and waterproof, having a bunch of ports can be a pain. Not to mention that small devices such as wireless buds or smartwatches often don’t have space for standard connectors anyway. 

How does wireless charging work on larger devices? While there are as yet no phones, tablets or laptops that we are aware of with exclusive wireless charging don’t assume it will never happen. A completely sealed device that uses only wireless communication and charging would open up new doors when it comes to ruggedization and design.

Phones & Power Banks That Provide Wireless Charging

Wireless chargers themselves have gone wireless in the sense that you can now get power banks and even smartphones that can charge devices wirelessly using the Qi standard. 

Smartphones such as the Note 10+ have a feature known as “Wireless Powershare” and it’s very handy for charging devices such as wireless earbuds or smartwatches. Wireless power banks are of course also useful for that use case, but it also brings up the interesting possibility of sticking your phone to the power bank and temporarily using it as one cable-free hunk.

A Wireless Future

Short-range Qi induction charging is certainly here to stay, but we’ve seen some impressive demonstrations of long range charging using the resonance method. Fitting an LCD TV with a receiver coil, simply bringing it within range of another coil installed within a wall will power it on. 

With both power and data transfer possible wirelessly, there are new avenues product designers can take. We might be heading for an interesting future of devices that always have power, don’t need to be opened and in some cases may no longer need batteries to operate.

Of course, it will be some time until long range wireless power becomes the norm. You can certainly expect quite a bit of pushback as well. There’s already plenty of (usually unwarranted) concerns about electromagnetic radiation technologies such as 5G causing health issues or environmental problems. We expect the same sorts of complaints to arise when long-range wireless power transmission becomes more common. 

For now however, no one seems to have an issue with very short range induction charging. How many of your devices can charge wirelessly? How often do you use that feature? We’d love to hear about it in the comments.

 

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