TWM430763U - Wireless charging device of portable electronic product - Google Patents

Wireless charging device of portable electronic product Download PDF

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Publication number
TWM430763U
TWM430763U TW100222920U TW100222920U TWM430763U TW M430763 U TWM430763 U TW M430763U TW 100222920 U TW100222920 U TW 100222920U TW 100222920 U TW100222920 U TW 100222920U TW M430763 U TWM430763 U TW M430763U
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TW
Taiwan
Prior art keywords
control
electrically connected
wireless charging
charging device
unit
Prior art date
Application number
TW100222920U
Other languages
Chinese (zh)
Inventor
ming-xiang Ye
Original Assignee
ming-xiang Ye
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ming-xiang Ye filed Critical ming-xiang Ye
Priority to TW100222920U priority Critical patent/TWM430763U/en
Publication of TWM430763U publication Critical patent/TWM430763U/en
Priority to DE202012104264U priority patent/DE202012104264U1/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20Charging or discharging characterised by the power electronics converter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Description

M430763 五、新型說明: 【新型所屬之技術領域】 本創作係關於一種無線充電裝置,特別是指一種可避免每次對電池充 電所造成的累積式損壞、並提升無線傳輸電力效率以及升降壓效率之攜帶 . 式電子產品的無線充電裝置。 【先前技術】 隨著無線充電的日漸盛行,未來勢必演變成可隨處無線充電的狀態。 # 隨處可無線充電雖帶來極大的方便性,惟無論是有線或無線充電,每 次在充電之初所產生的突波,都必然會對電池造成累積式的損壞,進而累 積式減損電池壽命,換言之,隨著充電次數的愈來愈多,電池的壽命也相 應愈來愈短,且電池的充放電效率也愈來愈差。 在隨處可無線充電的情形下,人們的活動範圍内必將同時存在多數無 線充電場所,献人們將多次進出同—無線充電場所,如此—來,所攜帶 的攜帶式電子產品勢必在一天之内被無差別地多次無線充電,從而使攜帶 ® 式電子產品内的電池壽命提早告終。 其-人,由於無線傳輸電力效率目前仍然偏低,也就是放電量仍偏高於 充電量’再加上轉壓效率亦偏低,造成以無線來傳輸電力的實用性仍無 法提尚,早為人所垢病已久。 因此’如何没計出—種可避免每次對電池充電所造成的累積式損壞、 甚至於還此提升無線傳輸電力效率以及升降壓效率的本創作,乃為本案創 作人所亟欲解決的一大課題。 【新型内容】 3 本創作的目的之-在練供i無線充電裝置,藉由超電容特殊的設 置位置以及超電容的阻抗係低於電池,因此,被充電時係會先對超電容充 電,從而達到讓超電容來域每次充電時的紐問題,相對乃能避免每次 對電池充電所造成的累積式損壞;藉由第_、二逆流防止器的逆流防止作 用,以能避免漏電,相對乃具有省電功效;藉由升降壓單元係為-種具有 同步整流的升降壓k(較佳者係為金屬氧化物半導體場效電晶體式同步 整>’IL),而據以提升升降壓的效率。 本創作的目的之—在於提供—種無線充電裝置,藉由所述第一〜三逆 流防止器亦使用第-、二金屬氧化物半導體場效電晶體來做為逆流防止或 做為開關的重要元件,使導通時所損耗的電較低,所以放電效率會較高, 從而提升無線傳輸電力效率。 為達上述目的’本創作係提供—種無線充電裝置,為應用於一具有電 路裝置的攜帶式電子產品,該電路裝置電性連接有一受電端和一電池,該 鱗峨嫩:—糖輪、—靖輸料、-細單元、 —第·'逆流防止器、一第二逆流防止器以及-第-超電容。其中,該邏輯 ◊制早疋係具有多數腳;該無線傳輪單元係具有一傳輸端和一受測端該 ^測端電性連_邏_單元的_腳;料_元_ 一第— 1 一第二繼端和兩控制端,該第二纏端電性連接於該無線傳輸 疋傳輸端,該兩控制端分別電性連接於該邏輯控制單元的第一、二控 傳輪端該邏輯控制私的電源腳電性連接於該彼此相接的第二賴端和該 、止^^降壓單^係為一種具有同步整流的升_單元;該第一逆 -器係具有一入口端'一出口端和一控制端,該入口端和出口端分別 M430763 電性連接於所述電池的放電端和該升_單元的第一調_,該控制端電 性連接於該邏輯測單元的第三控制腳;該第二逆赫止器係具有一入口 端、-出口端和-控制端,該出口端和入口端分別電性連接於所述電路裝 置的受電端和該升降壓單元㈣—調壓端,該控制端·連接於該邏輯控 制單元的第五控制腳,·該第-超電容的一電極電性連接於所述電路裝置的 f電端與該第二逆流防止器的出σ端的連接處,並在該連接處形成一第一 節點,其另一電極則接地。 藉此,乃能讓超電容來抵棺每次充電時的突波問題,相對乃能避免每 次對電池充電所造成的累積式損壞;再者,藉由第_、二逆流防止器的逆 流防蝴,魏細電,相物峨姐;此外糊單元係 為-種具有同步整流的升降壓單元,以能提升升降壓的效率。 為了能夠更進-步瞭解本創作之特徵、特點和技術内容,請參閱以下 有關本創作之詳_與附圖,惟所_式僅提供參考與_,非用以 限制本創作。 【實施方式】 本創作係巍-觸谢產品的無軌魏置,術〜2圖所 讀、在揭示本創作的第一實施例,如第3圖所示則分別在揭示本創作的第 一實施例。 <第一實施例> 請參閱第2圖所示的本創作第一實施例,為應用於-具有電路裝置9 1的攜帶式電子產品9,該電路裝置91係電性連接有—受電端 一電池93,較佳者,該電路裝置Μ還具有-保護電路92,該保護電 5 路9 2係電性連接於該受電端9 21與電池9 3之間1無線充電裝置包 含’邏輯控制單元1、一無線傳輸單元2、-升降壓單元3、-第-逆 流防止器4、一坌- —逆仙·防止器4 a、以及一第一超電容6,較佳者還包 含-第三逆流防止器4b、—第二超電容(圖未示)。 ^邏輯控制單元1^具有第—六控制腳1 1〜1 6、以及電源腳1 7和摘測腳18 ’而其未標示元件符號的腳則為接地腳^ 5…、線傳輸單元2係具有一傳輸端2 1和一受測端2 2,該受測端2 2係電性連接於該賴蝴單元i義卿工8。 該升降壓單it 3係、具有—第―調壓端3 i…第二調壓端3 2和兩控 制端3 3 3 4,s亥第二調壓端3 2電性連接於該無線傳輸單元2的傳輸 端2 1該兩控制端3 3、3 4分別電性連接於該邏輯控制單元1的第一、 -控制腳1 1、丨2,該邏輯控制單元丨的電騎i 7雜連接於該彼此 相接的第二調壓端32和該傳輸端2丄,且該升降壓單元3係為一種具有 同步整机的升降壓單元3。較佳者,該具有同步紐的升縣單^係為 金屬氧化物半導體场效電晶邀(Metai_〇xide-Seniiconductor Field-Effect Transistor’ M0SFET)式同步整流;請搭配參閱第χ、2圖所示,該具有 同步整流的升降壓單幻係包括—電感3 7和兩彼此同向串聯的第一、二 金屬氧化物半導體場效電晶體3 5、3 6,該第-、二金屬氧化物半導體 場效電晶體3 5、3 6係各具-控制極(未標示元件符號),該兩控制極 分別電性連接於該升降壓單元3的兩控制端3 3、3 4,該第一、二金屬 氧化物半導贿效電晶體3 5、3 6於㈣後的-端電性連接於所述第二 調壓端3 2 ’另端則接地’該電感3 7的一端電性連接於所述第一調壓端 M430763 31 ’另端則電性連接於該第一 3 6之間。 二金屬氧化物半導體場效電晶體3 5M430763 V. New Description: [New Technology Area] This is a wireless charging device, especially one that avoids the cumulative damage caused by charging the battery every time, and improves the wireless transmission power efficiency and the efficiency of lifting and lowering. Portable wireless charging device for electronic products. [Prior Art] With the increasing popularity of wireless charging, the future is bound to evolve into a state of wireless charging anywhere. # Wireless charging everywhere brings great convenience, but whether it is wired or wireless charging, every time the surge generated at the beginning of charging will inevitably cause cumulative damage to the battery, and thus cumulatively reduce battery life. In other words, as the number of times of charging increases, the life of the battery is correspondingly shorter and shorter, and the charging and discharging efficiency of the battery is getting worse. In the case of wireless charging everywhere, most wireless charging places will exist in the scope of people's activities, and people will enter and exit the same wireless charging place multiple times. So, the portable electronic products carried are bound to be in one day. The battery is wirelessly charged multiple times indiscriminately, resulting in early battery life in the portable® electronics. Its - people, because the wireless transmission power efficiency is still low, that is, the discharge is still higher than the charge amount 'plus the conversion efficiency is also low, the utility of wireless transmission of power is still not able to mention, early It has been a long time for people to get sick. Therefore, 'how not counted' is a kind of creation that avoids the cumulative damage caused by charging the battery every time, and even enhances the efficiency of wireless transmission and the efficiency of lifting and lowering pressure. Big topic. [New Content] 3 The purpose of this creation is to provide a wireless charging device. The special setting position of the ultracapacitor and the impedance of the ultracapacitor are lower than the battery. Therefore, when charging, the super capacitor is charged first. In order to achieve the problem of the super capacitor in each charging state, it can avoid the cumulative damage caused by charging the battery every time; the backflow prevention effect of the first and second backflow preventers can prevent leakage, Relatively, it has a power-saving effect; the buck-boost unit is a kind of buck-boosting voltage with synchronous rectification (better is a metal oxide semiconductor field effect transistor type synchronous whole > 'IL), and thus The efficiency of lifting and lowering. The purpose of the present invention is to provide a wireless charging device, by which the first to third backflow preventers also use the first and second metal oxide semiconductor field effect transistors as the backflow prevention or as an important switch. The component makes the power loss during the conduction lower, so the discharge efficiency is higher, thereby improving the wireless transmission power efficiency. In order to achieve the above purpose, the present invention provides a wireless charging device for use in a portable electronic product having a circuit device electrically connected to a power receiving end and a battery. The scale is tender: - a sugar wheel, - Jing feed, - fine unit, - · 'backflow preventer, a second backflow preventer and - first - super capacitor. Wherein, the logic control system has a majority of feet; the wireless transmission unit has a transmission end and a measured end, and the measurement terminal is electrically connected to the ______ a second multiplexer and a second control end, the second entangled end is electrically connected to the wireless transmission 疋 transmission end, and the two control ends are electrically connected to the first and second control transmission ends of the logic control unit respectively The logic control private power supply pin is electrically connected to the second connection end that is connected to each other, and the control circuit is a rise-up unit with synchronous rectification; the first inverse-device has an inlet The end end is an outlet end and a control end, and the inlet end and the outlet end are respectively electrically connected to the discharge end of the battery and the first switch of the riser unit, and the control end is electrically connected to the logic measuring unit a third control leg; the second reverse arrester has an inlet end, an outlet end, and a control end, the outlet end and the inlet end being electrically connected to the power receiving end of the circuit device and the bucking and pressing unit, respectively (4) a voltage regulating end, the control end is connected to the fifth control pin of the logic control unit, An electrode of the first-supercapacitor is electrically connected to a connection between an electrical end of the circuit device and an output σ end of the second backflow preventer, and a first node is formed at the connection, and the other electrode is grounded . In this way, the supercapacitor can be used to resist the surge problem at each charging, and the cumulative damage caused by charging the battery each time can be avoided. Furthermore, the backflow of the first and second backflow preventers is prevented. Anti-butterfly, Wei Xidian, phase object sister; in addition, the paste unit is a kind of buck-boost unit with synchronous rectification, in order to improve the efficiency of lifting and lowering. In order to be able to further understand the features, features and technical content of this creation, please refer to the following details and drawings for this creation, but the _ formula is only for reference and _, not to limit the creation. [Embodiment] This creation system 触-Touch the product of the trackless Wei set, the operation of the ~2 figure read, revealing the first embodiment of the creation, as shown in Figure 3, respectively, revealing the first implementation of the creation example. <First Embodiment> Referring to the first embodiment of the present invention shown in Fig. 2, it is applied to a portable electronic product 9 having a circuit device 91, which is electrically connected to receive power. The battery unit 93 preferably has a protection circuit 92, and the protection circuit 5 is electrically connected between the power receiving terminal 9 21 and the battery 9 3 . The wireless charging device includes a logic. The control unit 1, a wireless transmission unit 2, a step-up and step-down unit 3, a -reverse-flow prevention device 4, a 坌----------------------, and a first supercapacitor 6, preferably further comprising - The third backflow preventer 4b, the second supercapacitor (not shown). ^Logic control unit 1^ has the sixth-segment control pins 1 1~1 6 , and the power supply pin 17 and the test pin 18 ', and the pin whose component symbol is not marked is the ground pin ^ 5..., the line transmission unit 2 There is a transmission end 2 1 and a measured end 2 2 , and the tested end 2 2 is electrically connected to the unit. The buck-boost single IT 3 has a first-stage voltage-regulating end 3 i... a second voltage-regulating end 3 2 and two control terminals 3 3 3 4, and the second voltage-regulating end 3 2 is electrically connected to the wireless transmission The two control terminals 3 3 and 34 are electrically connected to the first, the control pins 1 1 and 2 of the logic control unit 1, respectively, and the electrical control unit 丨The second pressure regulating end 32 and the transmitting end 2 are connected to each other, and the lifting and lowering unit 3 is a step-up and lowering unit 3 having a synchronous machine. Preferably, the Shengxian single crystal system with a synchronous nucleus is a metal oxide semiconductor field effect crystal crystal invitation (Metai_〇xide-Seniiconductor Field-Effect Transistor' M0SFET) type synchronous rectification; please refer to the second and second figures As shown, the buck-boost single phantom system with synchronous rectification includes an inductor 37 and two first and second metal oxide semiconductor field effect transistors 3 5 and 3 6 in series with each other in the same direction. The semiconductor field effect transistor 3 5, 3 6 each has a control electrode (not labeled with a component symbol), and the two control electrodes are electrically connected to the two control terminals 3 3, 3 4 of the step-up and step unit 3, respectively. The first and second metal oxide semi-conductive bridging transistors 3 5, 3 6 are electrically connected to the second voltage regulating end 3 (the other end is grounded) and the one end of the inductor 3 7 is electrically Connected to the first voltage regulating end M430763 31 'the other end is electrically connected between the first 36. Dimetal oxide semiconductor field effect transistor 3 5

該第-逆流防止器4係具有-人口端41、—出口端42和一控制端 4 3 ’該入卩端41和出口端4 2分別電性連接於所述電池9 3的放電端 9 3 1和該升降壓單元3的第—調觀3 i,至於其控制端4 3則電性連 接於該邏輯控制㈣的第三控制腳(係做為發射辨識之用)工3。其令, 該第-逆流防止H4之㈣端43與該邏輯控解w的第三控制腳13 之間係形成有-第二節點4 3!,所述電池9 3的放電端9 3 了與該第一 逆流防止器4的人π端41之間係形成有—第三節則工玉。 μ第一郎點4 31與第二節點4 i i之間係彼此電性連接(圖未示), 使本創作無線充電裝置處於接收模•能接收電力為己用。 凊搭配參閲第1、2_示,#<麵可設置有—可場發射模式和接 收模式的_,如圖,該第二節點4 3 i與第三節點4 „之間係電性連 接有控綱關5 ’發射赋或接錄式。触者,該控糊 關5係為-自動復位_,甚至於該邏輯控制單元i的第四控制腳η係 進-步以迴路方式電性連接於第三_腳(係縣發射觸之用)丄3, 即圖中所示的發射保持迴路19。 該第二逆流防止器4a亦具有一入口端41、-出口端42和一控制 端4 3該出口端4 2和入π端41分別電性連接於所述電路跋置9丄之 保護電路9 2的受電端9 2 i和該升降壓單元3的第一調壓端3卜至於 其控制端4 3則電性連接於該邏輯控制單元工的第五控制聊丄$。 該第-超電容6的-電極係電性連接於所述電路裝置9 i之保護電路 7 的受電端921與該第二逆流防止器4a之出口端42的連接處,並 在該連接處形成-第-節點61,第—超電容6的另-電極則接地。 較佳者,本創作無線充電裝置之第-實施例係還可進—步包含一第三 逆流防止器4b,該第三逆流防止器“亦具有一入口端^、一出口端 4 2和-控制端4 3 ’該出口端4 2和入口端4工係分別電性連接於所述 電路裝置9 1之倾電路9 2的受電端9 2 i和該第—節點6 i,至於其 控制端43則電性連接於該邏輯控制單μ的第六控制腳i 6,藉由該邏 輯控制單Μ㈣六控制腳16係能輪出㈣訊號,以控制該第三逆流防 止器4b的0Ν或0FF,相對乃能控制是否對電池9 3充電。其次,則 還可進-步包含-第二超電容(圖未示),該第二超電容係並聯於所述的 電池9 3,當然’本創作無線充電裝置所設置的超電容係可為:僅設置所 述之第-超電容6、僅設置所述之第二超電容(圖未示)、或亦可同時設 置所述的第一超電容6和第二超電容。 由於第一超電容6和第二超電容的阻抗低於電池9 3 ,故在被充電時 係會先對超電容充電’從而賴讓超電絲減每次充電時的突波問題; 再者’超電容又易於被充飽,故將立即轉而對電池9 3充電。 其申,請搭配參閱第1、2圖所示,各該逆流防止器(4、4 a、4 b)係具有一第一電阻46和兩彼此相對向串聯的第一、二金屬氧化物半 導體場效電晶體44、45 ,該兩金屬氧化物半導體場效電晶體於串聯後 的兩端即為所述逆流防止器的入口端4丄和出口端4 2,該第一、二金屬 氧化物半導體場效電晶體4 4、4 5係各具一控制極(未標示元件符號), 該兩控制極電性連接於該逆流防止器的控制端4 3,該第一電阻4 6的一 M430763 端電性連接於該第一、二金屬氧化物半導體場效電晶體44、45之間, 另端則亦電性連接於該逆流防止器的控制端4 3。此外,各該逆流防止器 (4、4a、4b)還具有一電晶體47和一第二電阻48,該電晶體4 7的第一極電性連接於該第一、二金屬氧化物半導體場效電晶體44、4 5的控制極(未標示元件符號),該電晶體47的第二極則接地,而該第 二電阻4 8係電性連接於該電晶體4 7的第三極與該逆流防止器的控制端 4 3之間。 本創作無線充電裝置第一實施例的發射模式: 由於該無線充電裝置係預設為接收模式,因此,若欲進入發射模式, 則須按壓控制開關5來切換。 假設一設置有本創作無線充電裝置的攜帶式電子產品g,欲將自身的 電力藉由無線方式傳輸給另_設有無線充電裝置的電子產品時,先按壓控 制開關5使之導通’電池9 3的電於經過控制開關5後,係會再流經第三 控制腳(即:發射辨識控制腳,做為發射辨識之用)i 3而讓邏輯控制單 疋1辨識目讀切換為發射模式。原本被第—逆流防止η職住的電池 9 3電力’ #控制_5導通後係會導通該第—逆流防止器杨讓電力通 過’接著經過升關料3㈣-金職錄半導體場效電晶體3 5而連 接到邏輯控制單元!的電源腳丄7,以供電給邏輯控制單元丄。並利用第 -逆流防止器4 a的擋止而使電池9 3的電力不致於回充。 «邏輯控鮮tlI已賴目前為發射模式時,倾制膽射保持迴 路(係做為持續保持在發射模式之用)χ 9而持續讓第四控制腳工 4的發 射保持訊號-直提供轉三齡3,達職射保持的效果 ,從而能夠 9 物3ϋ76ί - 保持在發射狀態。 該邏輯控制單it 1的細腳i 8係、會_該内具天線的無線傳輸單元 2的相對側是否存在待充的電子產品,絲偵測到則邏輯控制單元丄即控 制停止發射’所述偵測係藉由細腳丄8來偵測該無線傳輸單元2的相對 側是否確有一負載存在: 若無負載:即停止發射; 若有負載:該邏輯控制單秘!藉由其第一、二控制腳丄i、12而 輸出PWM (波寬調變)訊號去驅動該升降壓單元3中的第一、二金屬氧化物 半導體場效電晶體3 5、3 6。藉由該等pwm訊號以使第一、二金屬氧化 物半導體場效電晶體3 5、3 6能持續地以很高的頻率進行交錯的一開一 關,當第二金屬氧化物半導體場效電晶體36為開而第一金屬氧化物半導 體場效電晶體3 5為_,由於第二金屬氧化物半導體場效電晶體3 6和 電池9 3的-端均為接躺形成—迴路,從而使電池9 3的電力能經由第 -逆流防止器4和升降壓單元3的電感37,以流經第二金屬氧化物半導 體場效電晶體3 6,從而對電感3 7充電;當第-金屬氧化物半導體場效 電晶體3 5為開而第二金屬氧化物半導體場效電晶體3 6為關時來自電 池9 3的祕在電感3 7後,係改走第—金化辨導體場效電晶 體3 5,使已充電的電感3 7能經過無線傳輸單元2而對外放電。 換s之’藉由第-、二金屬氧化物半導體場效電晶體35、36係為 -開-關、以及-關-開,以對電感3 7充電、以及讓電感3 7放電。當 有電流㈣無_輸單元2⑽線圈時’該線圈係會產生磁力線,相對側 的電子產品在感應到該磁力線後則會轉換成電流。 10 M430763 當發射時,甴電池9 3到無線傳輸單元2,其間所通過之升降壓單元 3内的第一、二金屬氧化物半導體場效電晶體3 5、3 6係為升壓(例如 由3.6〜4.2 V的直流電,升壓為5V左右的交流電);反之,由無線傳輪單 元2到電池9 3則為降壓。 所述第一、二金屬氧化物半導體場效電晶體35、36的其中一者若 係在控制升降壓時,其中另一者則係在控制同步整流。 本創作無線充電裝置第一實施例的接收模式:The first anti-flow preventer 4 has a population end 41, an outlet end 42 and a control end 4 3 '. The inlet end 41 and the outlet end 42 are electrically connected to the discharge end 9 3 of the battery 93, respectively. 1 and the first look-up 3 i of the buck-boost unit 3, and the control terminal 43 is electrically connected to the third control pin of the logic control (4) (for use as a transmitter identification). Therefore, between the (four) terminal 43 of the first-countercurrent prevention H4 and the third control pin 13 of the logic control solution w, a second node 4 3! is formed, and the discharge terminal 9 of the battery 9 3 is The first π-end 41 of the first backflow preventer 4 is formed with a third section. The first first point 4 31 and the second node 4 i i are electrically connected to each other (not shown), so that the present wireless charging device is in the receiving mode and can receive power for its own use.凊 参阅 第 第 参阅 参阅 参阅 参阅 参阅 参阅 参阅 参阅 # # # # # # # # # # # # # # # # # # # # # # # 面 面 面 面 面 面 面 面 面 面 面 面The connection has a control off 5 'transmit assignment or recording type. The toucher, the control paste off 5 is - automatic reset _, even the fourth control pin η of the logic control unit i is step-by-step in a loop mode It is connected to the third_foot (for the launch of the county) 丄3, that is, the emission holding circuit 19 shown in the figure. The second backflow preventer 4a also has an inlet end 41, an outlet end 42 and a control. The terminal end 4 2 and the input π end 41 are electrically connected to the power receiving end 9 2 i of the protection circuit 9 2 of the circuit device 9 and the first voltage regulating end 3 of the buck-boost unit 3, respectively. The control terminal 43 is electrically connected to the fifth control of the logic control unit. The -electrode of the first-super capacitor 6 is electrically connected to the protection circuit of the circuit device 9 i. The junction of the end 921 and the outlet end 42 of the second backflow preventer 4a forms a --node 61 at the junction, and the other electrode of the first-supercapacitor 6 is grounded. The first embodiment of the present wireless charging device can further include a third backflow preventer 4b, which also has an inlet end ^, an outlet end 4 2 and a control end. 4 3 ' The outlet end 4 2 and the inlet end 4 are respectively electrically connected to the power receiving end 9 2 i of the tilting circuit 9 2 of the circuit device 9 1 and the first node 6 i, and the control end 43 thereof The sixth control pin i6 electrically connected to the logic control unit μ is capable of rotating the (four) signal by the logic control unit (four) six control pins 16 to control the 0Ν or 0FF of the third backflow preventer 4b. It is possible to control whether or not the battery 9 3 is charged. Secondly, the second supercapacitor (not shown) may be further included, and the second supercapacitor is connected in parallel to the battery 93. Of course, the ultracapacitor system provided by the present wireless charging device may be : only the first-super capacitor 6 is provided, only the second super capacitor (not shown) is disposed, or the first super capacitor 6 and the second super capacitor may be simultaneously disposed. Since the impedance of the first supercapacitor 6 and the second supercapacitor is lower than that of the battery 9 3 , the supercapacitor is charged first when being charged, thereby relieving the super-wire to reduce the surge problem at each charging; 'The supercapacitor is easy to be fully charged, so it will immediately charge the battery 9 3 . For the application, please refer to FIGS. 1 and 2, each of the backflow preventers (4, 4 a, 4 b) has a first resistor 46 and two first and second metal oxide semiconductors connected in series with each other. The field effect transistors 44, 45, the two metal oxide semiconductor field effect transistors at both ends after the series connection are the inlet end 4 丄 and the outlet end 4 2 of the backflow preventer, the first and second metal oxides The semiconductor field effect transistors 4 4 and 4 5 each have a control electrode (not labeled with a component symbol), and the two control electrodes are electrically connected to the control terminal 43 of the backflow preventer, and a M430763 of the first resistor 46 The terminal is electrically connected between the first and second metal oxide semiconductor field effect transistors 44 and 45, and the other end is also electrically connected to the control terminal 43 of the backflow preventer. In addition, each of the backflow preventers (4, 4a, 4b) further has a transistor 47 and a second resistor 48. The first pole of the transistor 47 is electrically connected to the first and second metal oxide semiconductor fields. The control electrode of the transistor 44, 45 (not labeled with the component symbol), the second pole of the transistor 47 is grounded, and the second resistor 48 is electrically connected to the third pole of the transistor 47 Between the control terminals 43 of the backflow preventer. The transmitting mode of the first embodiment of the present wireless charging device: Since the wireless charging device is preset to the receiving mode, if the transmitting mode is to be entered, the control switch 5 must be pressed to switch. Assuming that a portable electronic product g provided with the present wireless charging device is to be wirelessly transmitted to another electronic product having a wireless charging device, the control switch 5 is first pressed to turn on the battery 9 After the control switch 5 passes through the control switch 5, it will flow through the third control pin (ie, the emission identification control pin for use as the transmission identification) i 3 to allow the logic control unit 1 to recognize the target reading and switch to the transmission mode. . The battery that was originally protected by the first-countercurrent prevention η9 3 power '#Control_5 will turn on the first-counter-flow preventer Yang to let the power pass through 'then through the material 3 (4)-Gold job semiconductor field effect transistor 3 5 and connect to the logic control unit! The power pin 7 is powered to the logic control unit. The power of the battery 93 is prevented from being recharged by the blocking of the first-countercurrent preventer 4a. «Logic control fresh tlI has been in the launch mode, tilting the bile to maintain the loop (as a continuous maintenance in the launch mode) χ 9 and continue to let the fourth control foot 4 launch the signal - straight offer Three-year-old 3, the effect of maintaining the shot, so that it can be 9 things 3ϋ76ί - keep in the launch state. The logic control unit 1 has a fine pin i 8 system, and the opposite side of the wireless transmission unit 2 with the antenna has an electronic product to be charged. When the wire is detected, the logic control unit controls to stop transmitting. The detection system detects the presence of a load on the opposite side of the wireless transmission unit 2 by means of the fine pedal 8: if there is no load: the transmission is stopped; if there is a load: the logic controls the single secret! The PWM (wave width modulation) signal is outputted by the first and second control pins i, 12 to drive the first and second metal oxide semiconductor field effect transistors 35, 36 in the buck-boost unit 3. By using the pwm signals, the first and second metal oxide semiconductor field effect transistors 35, 36 can be continuously turned on and off at a high frequency, when the second metal oxide semiconductor field effect The transistor 36 is open and the first metal oxide semiconductor field effect transistor 35 is _, since the second metal oxide semiconductor field effect transistor 36 and the end of the battery 9.3 are both connected to form a loop, thereby The electric energy of the battery 93 is made to pass through the inductance 37 of the first-counter-flow prevention device 4 and the buck-boost unit 3 to flow through the second metal oxide semiconductor field effect transistor 3 6 to charge the inductor 37; when the first metal When the oxide semiconductor field effect transistor 35 is on and the second metal oxide semiconductor field effect transistor 36 is off, the secret from the battery 9 3 is after the inductance, and the system is changed to the first The transistor 35 allows the charged inductor 37 to be discharged to the outside through the wireless transmission unit 2. The MOSFET's are turned on-off and on-off by the first and second MOSFETs 35, 36 to charge the inductor 37 and discharge the inductor 37. When there is current (4) without _transmission unit 2 (10) coil, the coil will generate magnetic lines of force, and the opposite side of the electronic product will be converted into current after sensing the magnetic line. 10 M430763 When transmitting, the battery 9 3 is connected to the wireless transmission unit 2, and the first and second metal-oxide-semiconductor field-effect transistors 3 5 and 3 6 in the step-up and step-down unit 3 are boosted (for example, 3.6~4.2 V DC, the boost is about 5V AC; otherwise, the wireless transfer unit 2 to the battery 9 3 is step-down. One of the first and second metal oxide semiconductor field effect transistors 35, 36 is controlled to buck-boost while the other is controlling synchronous rectification. The receiving mode of the first embodiment of the present wireless charging device:

當設置有梢作無線充電裝置之攜帶式電子產品9的絲傳輸單元2 在接收到相對侧所發射過來的電時,係先經由電源腳丄7而供電給邏輯控 制單元1,接著,所接收到的電將經過升降壓單元3而被降壓。 邏輯控制單元1還能藉由發射保持迴路i 9而控制第一逆流防止器4 為0FF,並藉由邏輯控制單元i之第五控制腳丄5所輸出的控制訊號而 控制第二逆流防止器4 a為〇N,從而使降壓後的電經由第二逆流防止器 4 a以及用以做突波的第—超電容6 (較佳者另再經過第三逆流防止器 4 b )而供電給攜帶式電子產品9的電池9 3,當然,其間係可經雕護 電路9 2的保護而將電池9 3的充電範圍限制在預_内(例如:㈣ 的直流電),當電池9 3被充飽時,保護電路9 2乃控制停止充電,且若 相對側的電子產品在偵測不到有負載的情況下,也會自動停止放電(甚至 於在放電時,若自身電池的電量已低於一設定值時,亦會停止放電)。 當邏輯控W/t 1伽縣發賴柄 出一發射保持《,轉持第—逆断止4將持續輸 于弟逆雜止H4為〇Ν;#邏輯 切換為接收模斜,其第五控制腳15將持續輪出—接收保持訊號,以保 M430T63 持第二逆流防止器4 a為ON。 <第二實施例> 請參閱第3圖所示’本創作第二實施例的無線充電裝置係與第一實施 例相同,不同處在於該第二實實施例係沒有第一實施例中的控制開關5, 並改以攜帶式電子產品9所輸出之控制訊號的控制來取代第一實施例的控 制開關5。 如圖,該攜帶式電子產品9之電路裝置θ1係具有一訊號輸出端9 i φ 1,以經過人手的操控(例如:按壓攜帶式電子產品9的實體按鍵、或藉 由攜帶式電子產品9的觸控螢幕而觸控一虛擬按鍵)而經由該電路裝置9 1的訊號輸出端911輸出一控制訊號。 本創作無線充電裝置的第二實施例中,所述第一逆流防止器4的第二 節點4 31係電性連接於該訊號輸出端9丄i,以利用該訊號輸出端91 1所輸出的控制訊號來讓邏輯控制單元丄(經由第三控制腳13)切換為 發射模式。其中,該邏輯控制單元丄的第四控制腳丄4亦可進一步以迴路鲁 方式電性連接於第三控制腳丨3,即圖中所示的發射麟迴路i 9。 . 综上所述,本創作攜帶式電子產品的無線充電裝置的特點在於:藉纟 超電容特殊的設置位置以及超電容的阻抗係低於電池,因此,被充電時係 會先對超電容充電,從而達到讓超電容來減每次充電時的突波問題,相 對乃能避免每次對電池充電所造成的累積式損壞;藉由第―、二逆流防止 器4、4 a的逆流防止作用,以能避免漏電,相對乃具有省電功效;藉由 升降壓單Μ係為-種具有同步整流的升降壓料,較佳者係為金屬氧化 12 M430763 物半導體場效電晶體式同步整流⑽SFET同步整流),而據以提升升降壓 的效率;藉由所述第-〜三逆流防止器4、4a、4b亦使用第一、二金 屬氧化物半導體場效電晶體44、45來做為逆流防止或做為糊的重要 請,使導猶簡耗的電較低,所以放電鱗會較高從而提升無線傳 輸電力效率。 以上所述者,僅為本創作之較佳可行實施例而已,非因此即揭限本創 作之專利細,舉凡獅本創作書及圖式内容所為之等效結構變化, 均理同包含於本創作之權利範圍内,合予陳明。 【圖式簡單說明】 第1圖為本創作無線充電裝置電性連接於一攜帶式電子產品之第 實施例的電路圖。 第2圖為本創作依據第lg|的等效電路方塊圖。 第3圖為本創作第二實施例的等效電路方塊圖。 【主要元件符號說明】 1 邏輯控制單元 ιι〜ιθ第一〜六控制腳 17電源腳 18偵測腳 19發射保持迴路 2無線傳輸單元 21傳輸端 22受測端 3升降壓單元 31、3 2 第一、二調壓端 3 3 ' 3 4控制端 3 5、3 6 第一、二金屬氧化物半導體場效電晶體 3 7 電感 4、4a、4b 第一、二、三逆流防止器 出口端 41 入口端 411 第三節點 42 43 控制端 431 第二節點 44 '45 第一、二金屬氧化物半導體場效電晶體 第二電阻 46 第一電阻 47 電晶體 48 5控制開關 6 第一超電容 61 第一節點 9 攜帶式電子產品 91 電路裝置 911 訊號輸出端 92 保護電路 921 受電端 9 3 電池 931 放電端When the wire transmission unit 2 provided with the portable electronic product 9 of the wireless charging device receives the power transmitted from the opposite side, it is first supplied with power to the logic control unit 1 via the power pin 7, and then received. The incoming electricity will be depressurized by the buck-boost unit 3. The logic control unit 1 can also control the first backflow preventer 4 to be 0FF by transmitting the hold loop i9, and control the second backflow preventer by the control signal outputted by the fifth control pedal 5 of the logic control unit i. 4 a is 〇N, so that the stepped-down power is supplied via the second backflow preventer 4a and the first-supercapacitor 6 for making a surge (preferably via the third backflow preventer 4b) The battery 9 3 of the portable electronic product 9 is, of course, protected by the engraving circuit 92 to limit the charging range of the battery 9 to the pre-_ (for example: (four) direct current), when the battery 9 3 is When fully charged, the protection circuit 92 controls the stop of charging, and if the opposite side of the electronic product detects no load, it will automatically stop discharging (even when discharging, if the battery of the battery is low) When a set value is reached, the discharge will also stop). When the logic control W/t 1 Gai County sends a shot to maintain a hold, the transfer of the first - reverse break 4 will continue to lose to the younger than the end of the H4 is 〇Ν; # logic switch to receive the mode skew, the fifth The control pin 15 will continue to rotate-receive the hold signal to ensure that the M430T63 holds the second backflow preventer 4a ON. <Second Embodiment> Referring to Fig. 3, the wireless charging device of the second embodiment of the present invention is the same as that of the first embodiment, except that the second embodiment is not in the first embodiment. The control switch 5 is controlled by the control of the control signal output from the portable electronic product 9 instead of the control switch 5 of the first embodiment. As shown in the figure, the circuit device θ1 of the portable electronic product 9 has a signal output terminal 9 i φ 1 for manual manipulation (for example, pressing a physical button of the portable electronic product 9 or by carrying the electronic product 9 The touch screen outputs a control signal via the signal output terminal 911 of the circuit device 9 1 . In the second embodiment of the present invention, the second node 4 31 of the first backflow preventer 4 is electrically connected to the signal output terminal 9丄i for output by the signal output terminal 91 1 . The control signal is used to cause the logic control unit 丄 (via the third control pin 13) to switch to the transmit mode. The fourth control pin 4 of the logic control unit 亦可 can be further electrically connected to the third control pin 3, that is, the transmitting circuit i 9 shown in the figure. In summary, the wireless charging device of the present portable electronic product is characterized in that the special setting position of the ultra-capacitor and the impedance of the ultra-capacitor are lower than the battery, so that the super-capacitor is charged first when being charged. In order to achieve the supercapacitance to reduce the glitch problem at each charging, it is relatively possible to avoid the cumulative damage caused by charging the battery each time; the backflow prevention effect of the first and second backflow preventers 4, 4 a In order to avoid leakage, it has the same power-saving effect; by lifting and lowering the single-turn system is a kind of lifting and lowering material with synchronous rectification, preferably metal oxidation 12 M430763 semiconductor field effect transistor synchronous rectification (10) SFET Synchronous rectification), in order to increase the efficiency of the buck-boost; the first-to-three anti-current flow preventers 4, 4a, 4b also use the first and second metal-oxide-semiconductor field-effect transistors 44, 45 as a countercurrent It is important to prevent or use it as a paste, so that the power consumption of the guide is lower, so the discharge scale will be higher, thereby improving the wireless transmission power efficiency. The above is only a preferred and feasible embodiment of the present invention. Therefore, the patents of the present invention are not limited, and the equivalent structural changes of the lion's book and the content of the drawings are included in this text. Within the scope of the right to create, Chen Ming is given. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a circuit diagram of a first embodiment in which a wireless charging device is electrically connected to a portable electronic product. The second figure is an equivalent circuit block diagram of the creation according to the first lg|. Figure 3 is a block diagram of an equivalent circuit of the second embodiment of the present invention. [Main component symbol description] 1 Logic control unit ιι〜ιθ first to sixth control pin 17 power supply pin 18 detection pin 19 transmission and hold circuit 2 wireless transmission unit 21 transmission end 22 terminal 4 to be tested and raised and lowered unit 31, 3 2 First and second voltage regulating terminals 3 3 ' 3 4 control terminals 3 5, 3 6 First and second metal oxide semiconductor field effect transistors 3 7 Inductors 4, 4a, 4b First, second and third backflow preventer outlet ends 41 Ingress terminal 411 third node 42 43 control terminal 431 second node 44 '45 first, two metal oxide semiconductor field effect transistor second resistor 46 first resistor 47 transistor 48 5 control switch 6 first super capacitor 61 One node 9 portable electronic product 91 circuit device 911 signal output terminal 92 protection circuit 921 power receiving terminal 9 3 battery 931 discharging terminal

Claims (1)

/UJ '申請專利範圍·· :’線充電裝置,為應用於一具有電路裝置的攜帶式電子產品, 〆電路裝置電性連接有—受電端和—電池,該無線充電裝置包含: —邏輯姉單元,具有多數腳; 一無線傳輸單元,且亡 /、有—傳輸端和一受測端,該受測端電性連接於 該邏輯控制單元的偵測腳; 、 降壓單元,具有—第一調壓端、一第二調壓端和兩控制端,該 第二調壓端電性連接於該無線傳輸單元的傳輸端,該兩控制端分 別電性連接於該邏輯控制單元㈣…二鋪腳,該邏輯控制單 _、電原腳電吐連接於該彼此相接的第二麵端和該傳輸端,且 "亥升降壓單元係為—種具有同步整流的升降壓單元; 第逆流防止器,具有一入口端、一出口端和_控制端,該入口 端和出口端分別電性連接於所述電池的放電端和該升降壓翠元 的第一調壓端,該控制端電性連接於該邏輯控制單元的第三控制 腳; Λ -第二逆流防止器,具有―人口端一出σ端和—控制端,該出口 端和入口端分別電性連接於所述電路裝置的受電端和該升降壓 單元的第一調壓端’該控制端電性連接於該邏輯控制單元的第五 控制腳;以及 —第-超電容’其-電極電性連接於所述電路I置的受電端與該第 二逆流防止器的出口端的連接處,並在該連接處形成一第一節 點’其另一電極則接地。 15 2、 如申請專利範圍第1項所述之無線充電裝置,係進一步包含一第二 超電容’該第二超電容係並聯於所述的電池。 3、 如申請專利範圍第1項所述之無線充電裝置,所述電路裝置係具有 一保護電路,該保護電路電性連接於所述電池與受電端之間。 4、 如申請專利範圍第1項所述之無線充電裴置,其中該具有同步整流 的升降壓單元,係為金屬氧化物半導體場效電晶體 (Meta 1 -Ox i de-Semi conductor Field-Effect Transistor, MOSFET)式同步整流。 5、如申請專利範圍第4項所述之無線充電裝置,其中該具有同步整流 的升降壓單元係包括一電感和兩彼此同向串聯的金屬氧化物半導體 場效電晶體,該兩金屬氧化物半導體場效電晶體係各具一控制極, 該兩控制極分別電性連接於該升降壓單元的兩控制端,該兩金屬氧 化物半導體場效電晶體於串聯後的一端電性連接於所述第二調壓 端,另端離地;該縣的-端雜連接於所述帛—麵端,另端 則電性連接於該兩金屬氧化物半導體場效電晶體之間。 6、如申請專利範圍第1項所述之無線充電裝置,係進一步包含一第: 一出口端和一控制 逆流防止器,該第三逆流防止器具有一入口端 端,該出π端和入口端分別電性連接於所述電路灯的受電端和第 一節點,該控綱電性連接於該邏輯控制單元的第六控制腳。 7、如中請專職_項所述之無線充電裝置,其中各該逆流防止器 係具有一第一電阻和兩彼此相對向串聯的金屬氧化物半導體場效電 晶體,該兩金屬氧化物半導體場效電晶體於串聯後的兩端即為所述 M430763 ι « 逆流防止H的人σ端和出口端’該兩金屬氧化物半導體場效電晶體 係各具-控継,該兩控制極電性連接於該逆流防止器的控制端, 該第一電阻的一端電性連接於該兩金屬氧化物半導體場效電晶體之 . 間,另端亦電性連接於該逆流防止器的控制端。 . 8、如申請專利範圍第7項所述之無線充電裝置,其中各該逆流防止器 還具有-電晶體和-第二電阻,該電晶體的第—極電性連接於該兩 金屬氧化物半導體場效電晶體的控制極,該電晶體的第二極接地, 鲁 第一電阻電性連接於該電晶體的第三極與該逆流防止器的控制端 之間。 9、 如申請專利細第丨項所述之無線充電裝置,其中該第—逆流防止 器之控制端與該邏輯控制單元的第三控制腳之間係形成有一第二節 點,所述電池的放電端與該第一逆流防止器的入口端之間係形成有 -第三節點,該第二節點與第三節點之間電性連接有—控制開關。 10、 如巾請專利細第9項所述之無線充電裝置,其中該控制開關係 • 為一自紐位開關。 1 1、如申請專職圍第9項所述之無線充錄置,其巾該邏輯控制單 元的第四控制腳聽-步以迴路方式連胁第三控制腳。 1 2、如f請專利細第1項所述之無線充電裝置,其中該第一逆流防 止器之控制端與該邏輯控制單福第三控制聊之間係形成有一第二 節點,所述電池的放電端與該第一逆流防止器的入口端之間係形成 有-第三節點’該第二、三節點之間係彼此電性連接,且該第二節 點係電性連接於所述電路裝置的訊號輸出端。 17 13、如申請專利範圍第12項所述之無線充電裝置,其中該邏輯控制 單元的第四控制腳係進一步以迴路方式電性連接於第三控制腳。/UJ 'Application patent scope · · : 'Line charging device for application to a portable electronic product with circuit device, the circuit device is electrically connected with a power receiving end and a battery, the wireless charging device comprises: - a logic device The unit has a plurality of feet; a wireless transmission unit, and a dead/, a-transmission end and a measured end, the tested end is electrically connected to the detecting leg of the logic control unit; and the bucking unit has a - a voltage regulating end, a second voltage regulating end and two control ends, the second voltage regulating end is electrically connected to the transmitting end of the wireless transmission unit, and the two control ends are electrically connected to the logic control unit (4)... a foot control, the logic control unit _, the electric source foot ejector is connected to the second face end and the transmission end which are connected to each other, and the "Hui bucking pressure unit is a type of step-up and step unit with synchronous rectification; The backflow preventer has an inlet end, an outlet end and a _ control end, and the inlet end and the outlet end are respectively electrically connected to the discharge end of the battery and the first voltage regulating end of the buckling wick, the control end Electrically connected to the logic a third control leg of the control unit; Λ - a second backflow preventer having a "population end σ end" and a control end, the outlet end and the inlet end being electrically connected to the power receiving end of the circuit device and the lifting a first voltage regulating end of the pressing unit is electrically connected to the fifth control pin of the logic control unit; and a first-super capacitor is electrically connected to the power receiving end of the circuit I and the The junction of the outlet end of the second backflow preventer forms a first node at the junction and the other electrode is grounded. The wireless charging device of claim 1, further comprising a second supercapacitor, wherein the second supercapacitor is connected in parallel to the battery. 3. The wireless charging device of claim 1, wherein the circuit device has a protection circuit electrically connected between the battery and the power receiving end. 4. The wireless charging device according to claim 1, wherein the step-up and step unit with synchronous rectification is a metal oxide semiconductor field effect transistor (Meta 1 -Ox i de-Semi conductor Field-Effect) Transistor, MOSFET) synchronous rectification. 5. The wireless charging device of claim 4, wherein the step-up and step-down unit having synchronous rectification comprises an inductor and two metal oxide semiconductor field effect transistors in series with each other in the same direction, the two metal oxides The semiconductor field effect electro-crystal system has a control electrode, and the two control electrodes are electrically connected to the two control ends of the buck-boost unit, and the two metal oxide semiconductor field effect transistors are electrically connected to one end of the series connection. The second voltage regulating end is connected to the ground at the other end; the terminal end of the county is connected to the 帛-plane end, and the other end is electrically connected between the two metal oxide semiconductor field effect transistors. 6. The wireless charging device of claim 1, further comprising: an outlet end and a control backflow preventer, the third backflow preventer having an inlet end, the π end and the inlet end The control unit is electrically connected to the power receiving end of the circuit lamp and the first node, and the control is electrically connected to the sixth control pin of the logic control unit. 7. The wireless charging device of the full-time item, wherein each of the backflow preventers has a first resistor and two metal oxide semiconductor field effect transistors in series with each other, the two metal oxide semiconductor fields The two ends of the effect transistor after the series connection are the M430763 ι « the σ end and the outlet end of the reverse flow prevention H. The two metal oxide semiconductor field effect crystal system each have a controllable enthalpy. Connected to the control end of the backflow preventer, one end of the first resistor is electrically connected to the two metal oxide semiconductor field effect transistors, and the other end is electrically connected to the control end of the backflow preventer. 8. The wireless charging device of claim 7, wherein each of the backflow preventers further has a transistor and a second resistor, the first pole of the transistor being electrically connected to the two metal oxides The gate of the semiconductor field effect transistor, the second pole of the transistor is grounded, and the first resistor is electrically connected between the third pole of the transistor and the control end of the backflow preventer. 9. The wireless charging device of claim 2, wherein a second node is formed between the control end of the first backflow preventer and the third control leg of the logic control unit, and the battery is discharged. A third node is formed between the end and the inlet end of the first backflow preventer, and a control switch is electrically connected between the second node and the third node. 10. The wireless charging device according to claim 9, wherein the control relationship is a self-closing switch. 1 1. If the wireless charging device described in item 9 of the full-time application is applied, the fourth control foot of the logic control unit of the towel control unit is connected to the third control pin in a loop manner. The wireless charging device of the first aspect of the invention, wherein the control unit of the first backflow preventer and the logic control unit and the third control chat form a second node, the battery a third node is formed between the discharge end and the inlet end of the first backflow preventer. The second node and the third node are electrically connected to each other, and the second node is electrically connected to the circuit. The signal output of the device. The wireless charging device of claim 12, wherein the fourth control leg of the logic control unit is further electrically connected to the third control pin in a loop manner.
TW100222920U 2011-12-05 2011-12-05 Wireless charging device of portable electronic product TWM430763U (en)

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TW100222920U TWM430763U (en) 2011-12-05 2011-12-05 Wireless charging device of portable electronic product
DE202012104264U DE202012104264U1 (en) 2011-12-05 2012-11-07 Wireless charger of a portable electronic product

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TW100222920U TWM430763U (en) 2011-12-05 2011-12-05 Wireless charging device of portable electronic product

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI482391B (en) * 2013-04-02 2015-04-21 Wistron Corp Charging circuit for electronic device and related charging method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI482391B (en) * 2013-04-02 2015-04-21 Wistron Corp Charging circuit for electronic device and related charging method

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