200832898 九、發明說明： 【發明所屬之技術領域】 本發明係為提供一種網路自動阻抗匹配系統，透過將放電 電路初使化為高電位，並使自動負载不動作，再透過微控制器 控制脈寬調變控制器調整訊號的功率，並使自動負载的電阻值 變化經過比對電路與設備端的電壓做比對，再進—步判斷比對 時間是否逾時，以及判斷比對的電壓值是否符合預設值，若比 對不付合則表示其電阻值需做一調整，因此微控制器則會啟動 放電電路，並調整脈寬調變控制器的功率，以便使本發明之網 路自動阻抗匹配系統達到自動調整電阻值之功效者。 【先前技術】 按，隨著通訊技術的快速演進，其衍生的通訊網路亦隨之 丨夬速發展’並依照其賊大小^可區分輕酬路以及廣域網 路’其中，區域鱗収由料相_路架構所完成的區域性 網路’而廣域網路則是由許多的區域網路所組成的大型網路， 且其服務與連_制可遍及全國甚至全世界。 不論是區域網路或廣域網路，其中常見的基本架構，便曰 乙太網路^ 疋 e t)，而在乙太網財則包括有利 先纖或絞線為傳輸線路之躲器（Hu b )、交換器（200832898 IX. INSTRUCTIONS: [Technical Field] The present invention provides a network automatic impedance matching system for initializing a discharge circuit to a high potential, and causing an automatic load to not operate, and then controlling through a microcontroller The pulse width modulation controller adjusts the power of the signal, and compares the resistance value of the automatic load through the comparison circuit with the voltage of the device end, and further determines whether the comparison time is out of time, and determines the comparison voltage value. Whether the preset value is met or not, if the comparison is not matched, the resistance value needs to be adjusted, so the microcontroller starts the discharge circuit and adjusts the power of the pulse width modulation controller to make the network of the present invention. The automatic impedance matching system achieves the effect of automatically adjusting the resistance value. [Prior Art] According to the rapid evolution of communication technology, its derivative communication network has also developed rapidly 'and according to its thief size ^ can distinguish between light and wide area network' The regional network completed by the _ road architecture, and the WAN is a large network composed of many regional networks, and its service and connection system can be spread all over the country and even the whole world. Whether it is a regional network or a wide area network, the common basic architecture is the Internet, and the Internet is used to include the first fiber or the stranded cable (Hub). Exchanger
Sw! t ch)或路由器，（R〇u t e r)等網路中繼裝置， =由網路中繼裝置與傳輸線路的組合，可使娜 鱗、以衫職如監視㈣、齡系、缺自動化等其他裝置 200832898 ’得以進行資料、指令的傳輸或控制。 然而’另-種常見於工業運用的監視系統、保全系統或自 動化控制_賴_是峨對點的方式存在，細無論是區 域網路或廣域網路皆需透過傳輸介面的連接來達到遠端/近端 的控制’抑同的傳輸介_會有連接設備、連線線路及連線 距離等不_要求或關，射，具有較長的長輸距離之介面 則疋透過RS-4 8 5來做為近/遠端的連結或溝通，而所謂 ^RS-4 8 5^-T#4RS4 8 5^E I A-4 8 5 性係包括有屬於網路通訊_下的電力特性所規定的半雙二及 多點通㈣標準，而其電力特性_纟覽線兩端的差值來表 不傳遞信號，其中-極的電壓標識通常為邏輯丄，另一段標識 則為邏輯Q，通常其兩端的電壓差最小為Q . 2v以上時才會 有效，且任够大於i 2V或者不小於—7V的差鋪接受: 則應被視為是正確的電壓值。 再者’ R S 4 8 5的規格下僅規定了接受端和發送端的電 力特性’雌規格沒有規定或建議任何數據協議，因此r $ 4 8 5可以應用於配置便宜的廣域網路或採用單機發送、多機接 通信連結’且前s 4 8 5可以使用雙絞線進行高電壓差 的7刀平衡傳輸’亦可以進行大面積或長距離傳輸（超過4 〇 〇 〇碼或1200公尺），而-般RS485則被廣泛使用於點 _網路中或是以線型的㈣排存在，再者，r $ 4 8 5亦同 6 200832898 樣可以_在-些工廠賴社，並藉此來實現工廠不同 部門、區域輯層之關麟聽’且亦可藉此絲抗機械設 備或控制端間的電磁干擾。 '…而及R S 4 8 5於實作中常需外掛有終端f阻來滿足不 同配線距離的需求，且亦f根據裝置端規格或能力不同，來搭 配不同的終端電阻，因此Rs485於實際運用時不但常造成 使用者或客戶端的困擾，更需耗費大量的時間來做裝置端的測 試’是以’上述的缺失職接賴接辨產品賴爭力並耗費 了可貴的人力成本。 緣此’上述習職術之不足，便為從事此行業者所亟欲改 善之課題，而有待相_者作進—步改良與創新設計之必要。 【發明内容】 \ 今，發明人有鑑於上述R s 4 δ 5設備端所設置之終端電 阻的缺失與不足， 故發明人细此行業之多年研究發明經驗， 經不斷改良與試作，終於發明出此種網路自動阻抗匹配系統。 本毛月之主要目的乃在於藉由本發鴨透過使關單的脈 寬調變控制器（pu 1 s e wi d t h 則心1 3 t丨⑽或稱PWM)及雙載子接面電晶體的線 (1 n e a r )雜來完成其主動式電阻_整，因其加 壓的線性特性，故於實作上極县 ^ 貝社_於奴且不需大量的人力及物 力成本來貫現脈寬調變控制哭乃雔 ^及雙载子接面電晶體的搭配使用 7 200832898 =此使用者於進行或架構大面積或長距轉輸的點對點網 〔見廠不同部門、區域或樓層之間的數據通信，將可藉 此來滿足不同配線轉的需求，並可直接或離增加產品的競 爭力。 另。本备日月之次要目的乃在於當習用技術於使用被動負載 :電卩）並使其達到與主動貞載同樣的偏墨時，被動負載 所需的麵必須很大，或者也可以使關樣的電壓，但是必須 使用較小的被動負載’獨後者卻會導至增益降低，也因此若 使用主動_將可以克服這兩者的衝突；既不需太大的電壓， 又可保持有極佳的增益效果。 另’本發批再-麵目的骑透漸 __’暖_物_彻⑽可以= 地克服電機内部電阻，產生更大的電機力矩。 【實施方式】 為達成上述目的及構造，並為使冑查委員能對於本發明 之㈣及姐有更進-步之瞭解，故本發明聰狀技術手段 ’讀圖就本發明之較佳實施例詳加說明如下，俾利完全瞭解 請參閱第一、二圖所示， 塊圖及本發明較佳實施例之電 本發明係包括有微控制器1、 係為本發_佳實關之系統方 路圖，由圖中所示可清楚看出， 脈寬調變控制器2 (Pu i s e 200832898Sw! t ch) or router, (R〇uter) and other network relay devices, = the combination of network relay devices and transmission lines, can make Na scale, with shirts such as monitoring (four), age, lack of automation Other devices 200832898 'can transfer or control data and instructions. However, 'other types of monitoring systems, security systems or automation controls that are commonly used in industrial applications _ _ _ is a way to point to the point, fine whether the regional network or the wide area network needs to reach the remote end through the transmission interface / The near-end control 'suppressed transmission interface _ will have connection equipment, connection lines and connection distances, etc., not required or closed, and the interface with long long distance will pass through RS-4 8 5 As a near/distal link or communication, the so-called ^RS-4 8 5^-T#4RS4 8 5^EI A-4 8 5 includes half of the power characteristics specified by the network communication_ Double two-way and multi-point pass (four) standard, and its power characteristics _ the difference between the two ends of the line to indicate that the signal is not transmitted, where the voltage sign of the - pole is usually logical 丄, and the other part of the mark is logic Q, usually at both ends When the voltage difference is at least Q. 2v or more, it will be valid, and if the difference is greater than i 2V or not less than -7V, the difference is acceptable: then it should be regarded as the correct voltage value. Furthermore, the 'RS 4 8 5 specification only specifies the power characteristics of the receiving end and the transmitting end. 'The female specification does not specify or recommend any data protocol, so r $ 4 8 5 can be applied to a cheap WAN or a single-machine transmission. Multi-machine communication connection 'and the previous s 4 8 5 can use twisted pair for 7-pole balanced transmission of high voltage difference' can also be used for large-area or long-distance transmission (more than 4 weights or 1200 meters), and - RS485 is widely used in the point _ network or in the line (four) row, and, r $ 4 8 5 is also the same as 6 200832898 can be in some factories Lai, and to achieve the factory Guan Lin listens to different departments and regional layers, and can also use this wire to resist electromagnetic interference between mechanical devices or control terminals. '...And RS 4 8 5 often needs to be plugged in with terminal f resistance to meet the needs of different wiring distances, and also according to different device specifications or capabilities, with different terminal resistance, so Rs485 in actual use Not only often causes user or client troubles, but also spends a lot of time to do device-side testing. 'The above-mentioned lack of service depends on the product and relies on valuable labor costs. Therefore, the above-mentioned deficiencies in the apprenticeships are the subject of the desire of the industry to be improved, and it is necessary to make progress and innovation. SUMMARY OF THE INVENTION Nowadays, inventors have in view of the lack and insufficiency of the terminal resistance set by the above R s 4 δ 5 device end, so the inventor has invented the experience of many years of research and invention in this industry, and has finally invented through continuous improvement and trial work. This type of network automatic impedance matching system. The main purpose of this month is to use the pulse width modulation controller (pu 1 se wi dth core 1 3 t丨 (10) or PWM) and the double carrier junction transistor of the hairline. (1 near) Miscellaneous to complete its active resistance _ whole, due to the linear nature of its pressurization, so in the implementation of the extreme county ^ Beishe _ Yu slave does not require a lot of manpower and material costs to achieve pulse width adjustment Variable control crying 雔^ and the use of dual-carrier junction transistors 7 200832898=This user is conducting or constructing a large-area or long-distance point-to-point network [see data between different departments, regions or floors of the plant) Communication, which will be used to meet the needs of different wiring turns, and can increase the competitiveness of products directly or away. another. The secondary purpose of the preparation of the sun and the moon is that when the passive technology is used to use the passive load: electricity and the same partial ink as the active load, the surface required for the passive load must be large, or it can be The voltage, but the use of a smaller passive load, the latter will lead to gain reduction, and therefore the use of active _ will overcome the conflict between the two; neither need too much voltage, but also maintain a pole Good gain effect. In addition, this batch of re--the purpose of riding the __' warm_object_to (10) can = ground to overcome the internal resistance of the motor, resulting in greater motor torque. [Embodiment] In order to achieve the above object and structure, and in order to enable the member to have a better understanding of (4) and the sister of the present invention, the present invention will be described as a preferred embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION As will be fully understood, please refer to the first and second figures. The block diagram and the preferred embodiment of the present invention include a microcontroller 1 which is a System square road diagram, as can be clearly seen from the figure, pulse width modulation controller 2 (Pu ise 200832898
Width Modulation 或稱PWM)、比對電 路3 (Compare Circuit)、放電電路4 ( Discharge Circuit)、自動阻抗匹配系統 5 (Impedance auto alignment s y s t e m)及一設備端6 (d e v i c e)，故就本案之 主要結構特徵詳述如后’其中： 該微控制器1係為一可控制脈寬調變控制器2，並可透過 比對電路3來進行資料或數據比對，以及透過放電電路4來對 該網路自動阻抗匹配系統進行放電之控制器。 該脈寬調變控制器2(Pulse Width M〇d u 1 a t i 〇 η或稱PWM)係為一可產生可變脈寬之 脈衝’並藉此產生類比電壓來控制外部元件或設備端的控制器 〇 該比對電路3係可將微控制器i及設備端6之訊號或電壓 做-比對，其巾紐對電路3主要包括有—運算放大器，而該 運异放大器之輸出端係與微控制器i呈電性相連，另，該運算 放大為其中之一的輸入端則與自動阻抗匹配系統5並連後再與 設備端6之Da t a_端相連接。 /放”路4分別與微控制器丄、脈寬調變控制器2及自 動阻抗匹崎統5呈紐相連，並可對整體之網路自動阻抗匹 系、、先進仃放電，另’該放電電路4則進—步包括有放電第一 9 200832898 迴路41及放電第二迴路4 2，其中該放電第—迴料工之雙 載子接面電晶體（B;Τ1) 極係與微控制器i呈電性連 接’而該雙載子接面電晶體（B j T1)之集極則串接有電阻 R1及電容c 2，而該電阻尺i另串接有電容c i;再者，放 電電路4之放電第二迴路4 2中之雙載子接面電晶體（B』τ 3 )的基極亦與微控繼i呈電性連接，而賴子接面電晶體 (BJT3)之射極則串接有€阻尺2及電容C4，而該電阻 R 2另串接有電容c 3。 該自動阻抗匹配系統5分別與比對電路3、放電電路枝 備端6呈紐树，而自動阻抗匹配系統5係可對整體的網 路自動阻抗匹配系統進行電阻值的調整，純，細觀其細部電 路，該自動阻抗匹配系統5之雙載子接面電晶體（Β;τ 2) 祕極係與放電電路4的放電第—迴路4 1呈電性相連，而雔 載子接面電晶體（Β ; Τ 2 )的射酬與設備端6的〇 a t a +端相連接；另外，該自動阻抗匹配祕5之雙载子接面電晶 體（B J T 4)職極係與放電電路4的放電第二迴路4 2呈 獅連，_恤細⑴T 4 )物刻與設備 端6的D a t a —端相連接。 該設備端6係為具R s 4 8 5規格或單對多網路架構下的 電子設備’主要則包括有Da t卜及接地接腳 10 200832898 佳實ίΐΓΓ述元件制並請參辟三_示之本發明較 之自動阻抗調整流程圖，係以下列步驟進行動作. (ι〇(υ將放電電路4初使化為騎位，並使自㈣载不動 作； (1〇1)透過微控制器1控制脈寬調變控制器2調整訊號 功率’並使自動負載的電阻值變化經過比對電路3 與設備端6Da t a~電壓做比對； (10 2)判斷比對時間是否逾時，並判斷電壓值是否為 2〇1〇gfc = -細’若否，執行（103);若是， 執行（10 4); (10 3)啟動放電電路4 ’並調整脈寬調變控制器2的功率 ’執行（10 2); (10 4)判斷比對是否符合或是比對時間是否逾時，若比對 符合，執行（1〇 5);若比對逾時，執行（工〇 6)； (10 5)結束； (10 6)比對失敗，並結束。 簡而§之，本發明首先透過將放電電路4初使化為高電位 ，並使自動負載不動作，再透過微控制器i控制脈寬調變控制 器2調整訊號的功率，並使自動負載的電阻值變化經過比對電 路3與設備端6的D a t a —電壓做比對，再進一步判斷比對 11 200832898 時間是否逾時’以及判斷比對的電壓值是否為201。§^_=_3必 ^ data + ’若比對不符合則表示其電阻值需做一調整，因此微控制器工 則會啟動放電電路4，並調整脈寬調變控制器2的功率，以便 使本發明之網路自動阻抗匹配系統達到自動調整電阻值的功效Width Modulation or PWM), Compare Circuit 3, Discharge Circuit 4, Impedance Auto Alignment System 5 and a device 6 (device), so the main structure of this case The features are as follows: wherein: the microcontroller 1 is a controllable pulse width modulation controller 2, and can perform data or data comparison through the comparison circuit 3, and through the discharge circuit 4 to the network The automatic impedance matching system performs a discharge controller. The Pulse Width Modulation Controller 2 (Pulse Width M〇du 1 ati 〇η or PWM) is a controller that generates a pulse of variable pulse width and thereby generates an analog voltage to control an external component or device. The comparison circuit 3 can perform - comparison of the signals and voltages of the microcontroller i and the device terminal 6. The wiper pair circuit 3 mainly includes an operational amplifier, and the output terminal of the transmission amplifier is connected with the micro control. The device i is electrically connected, and the input which is amplified by the operation is connected to the automatic impedance matching system 5 and then connected to the Da t a_ terminal of the device terminal 6. The /4" channel 4 is connected to the microcontroller 丄, the pulse width modulation controller 2, and the automatic impedance 崎崎统5, and can automatically discharge the whole network, and the advanced 仃 discharge, The discharge circuit 4 further includes a discharge first 9 200832898 circuit 41 and a discharge second circuit 4 2, wherein the discharge first-return worker double carrier junction transistor (B; Τ 1) pole system and micro control The i is electrically connected' and the collector of the bipolar junction transistor (B j T1) is connected in series with a resistor R1 and a capacitor c 2 , and the resistor i is connected in series with a capacitor ci; The base of the double-carrier junction transistor (B τ τ 3 ) in the discharge second circuit 42 of the discharge circuit 4 is also electrically connected to the micro-control terminal i, and the splicing junction transistor (BJT3) is fired. The pole is connected in series with the resistance ruler 2 and the capacitor C4, and the resistor R 2 is connected in series with the capacitor c 3. The automatic impedance matching system 5 respectively forms a new tree with the comparison circuit 3 and the discharge circuit terminal 6 The automatic impedance matching system 5 can adjust the resistance value of the overall network automatic impedance matching system, purely and meticulously detail the circuit, the automatic impedance matching system The bipolar junction junction transistor (Β; τ 2) of the system 5 is electrically connected to the discharge first loop 4 1 of the discharge circuit 4, and the tantalum carrier junction transistor (Β; Τ 2 ) The remuneration is connected to the 〇ata + end of the device terminal 6; in addition, the automatic impedance matching of the double-carrier junction transistor (BJT 4) of the secret pole 5 and the discharge second circuit of the discharge circuit 4 are the lion Even, the _-shirt (1)T 4) is connected to the Data end of the device 6. The device 6 is an electronic device with R s 4 8 5 specifications or a single-to-multi-network architecture. There are Da tb and grounding pin 10 200832898 佳实 ΐΓΓ 元件 元件 元件 请 请 请 请 请 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本Initially turned into a riding position, and the (4) load does not operate; (1〇1) controls the pulse width modulation controller 2 to adjust the signal power through the microcontroller 1 and changes the resistance value of the automatic load through the comparison circuit 3 Compare with the 6Da ta~ voltage of the device; (10 2) Determine whether the comparison time is out of time, and determine whether the voltage value is 2〇1〇gfc = -fine' If not, execute (103); if yes, execute (10 4); (10 3) start the discharge circuit 4' and adjust the power of the pulse width modulation controller 2 'execute (10 2); (10 4) determine the comparison Whether it is met or if the comparison time is out of time, if the comparison is met, execute (1〇5); if the comparison is overdue, execute (Work 6); (10 5) End; (10 6) The comparison fails, The invention firstly turns the discharge circuit 4 into a high potential and makes the automatic load not operate, and then controls the pulse width modulation controller 2 to adjust the power of the signal through the microcontroller i, and The resistance value change of the automatic load is compared with the D ata voltage of the comparison circuit 3 and the device terminal 6, and then it is further determined whether the comparison time 11 200832898 time is overdue and the voltage value of the comparison is judged to be 201. §^_=_3 must ^ data + 'If the comparison does not match, it means that the resistance value needs to be adjusted, so the microcontroller will start the discharge circuit 4 and adjust the power of the pulse width modulation controller 2, so that The network automatic impedance matching system of the invention achieves the effect of automatically adjusting the resistance value
然而’上述設備端6所使用的Da t a+及Da t a—係 為一正端與負端，且該D a t a +及D a t a 一亦泛指差動式 的輸入端，ID舉凡具有差動式輸人端的設備端皆為本發明之網 路自動阻抗匹配系統欲保護之範圍；再者，上述設備端6所泛 指的係為符合RS 4 8 5、CAN-bUS、EtherCAHowever, the Da t a+ and Da ta used by the device 6 are a positive terminal and a negative terminal, and the D aa + and the D aa are generally referred to as a differential input terminal, and the ID has a differential type. The device end of the input terminal is the range to be protected by the network automatic impedance matching system of the present invention; further, the device 6 generally refers to the RS 4 8 5, CAN-bUS, EtherCA.
T'Devi ceNe t ^Modbus 'PROFIBUS 及CompuBus、SECS等具有多重負載（ multi 加 0 )通訊規格的電子裝置或是單對多網路 \ 架構（multi—dr〇p netw〇rk)下之電子裳 置，而所謂的單對多網路架構係為-組主端（ma s t e r 丁 x ))對多個從端, e r CKX)) ’此種簡易修 飾及等效結構變化，均應同理包含於本創作之專 予陳明。 口 季统ΓΓ，透過上述綱將可得知本發日狀網路自動阻抗匹配 糸、、先與> 用之技術相較著實具下列優點·· (一）本發明係透過使㈣單的脈寬調變控制器（p u i s e 12 200832898 width modulatio n或稱PWM)及 雙載子接面電晶體的線性（1 i n e a r)特性來完成 其主動式電阻的調整，因其加壓的線性特性，故於實作 上極易於設定且不需大量的人力及物力成本來實現脈寬 調變控制H及雙載子接㈣晶體祕_用，也因此使 用者於進行或架構大面積或長距轉輸的點對點網路或 實現工廠不同部門、區域或樓層之_數獅信，將可 藉此來滿足不同配線距離的需求，並可直接或間接增加 產品的競爭力。 二）本發明所使用透過放電電路4及自動阻抗匹配系統5内 /所。又置的雙載子接面電晶體，並配合微控制器1、脈 寬調變控制ϋ 2及輯電路3將可達耻動式電阻調整 的好處’且上述雙載子接面電晶體除了在積體電路中容 易製造外，尚因為電晶體於飽和區域（ R e g 1 〇 n)工作時，將可 也因此透過上述元件的配合將T'Devi ceNe t ^Modbus 'PROFIBUS and CompuBus, SECS and other electronic devices with multiple load (multi plus 0) communication specifications or single-to-multiple network\ architecture (multi-dr〇p netw〇rk) The so-called single-to-multi-network architecture is a group master (ma ster D) for multiple slaves, er CKX)) 'This simple modification and equivalent structural changes should be included in the same reason. Dedicated to Chen Ming in this creation. According to the above-mentioned outline, it can be known that the automatic impedance matching of the local network is the same as that of the technology used by the above-mentioned technology. (1) The present invention is based on (4) The pulse width modulation controller (puise 12 200832898 width modulatio n or PWM) and the linear (1 inear) characteristic of the bipolar junction transistor complete the adjustment of the active resistance due to the linear characteristic of the pressurization. It is extremely easy to set up on the implementation and does not require a lot of manpower and material cost to realize the pulse width modulation control H and the double carrier connection (4) crystal secret use, so the user can carry out or construct large area or long distance rotation. The point-to-point network or the number of Lions in different departments, regions or floors of the factory will be able to meet the needs of different wiring distances and directly or indirectly increase the competitiveness of the products. b) The transmission discharge circuit 4 and the automatic impedance matching system 5 used in the present invention. The dual-carrier junction transistor is combined with the microcontroller 1, the pulse width modulation control ϋ 2 and the circuit 3 to achieve the benefits of the squeezing resistance adjustment and the above-mentioned dual-carrier junction transistor In the integrated circuit, it is easy to manufacture, but also because the transistor works in the saturation region (R eg 1 〇n), it will also be able to cooperate through the above components.
Saturation 獲得有很大的輸出阻抗， 可以提供比較大的增益。Saturation yields a large output impedance that provides a large gain.
再者’當習用技術於使用被動負載（一般電阻）並使其 達到與主動負載同樣的偏壓時，被動負載所需 須很大，或者也可以使用同樣的Vdd，但是必須使用較 小的破動負載，；ϊ；過後者卻會導至增益降低，也因此若 13 200832898 使用主動負載將可以克服這兩者的衝突；既不需太大的Furthermore, when the conventional technique uses a passive load (general resistance) and achieves the same bias voltage as the active load, the passive load needs to be large, or the same Vdd can be used, but a smaller break must be used. Dynamic load,; ϊ; the latter will lead to gain reduction, so if 13 200832898 using active load will overcome the conflict between the two; neither need too much
Vdd，又可保持有極佳的增益效果。 (四）另’透過脈寬調變控制器2來達成脈寬調變的另一個優 點是脈衝能達到滿程供電電壓，因而可以更容易地克服 電機内部電阻，產生更大的電機力矩。 惟’以上所揭露者，僅是本發明之較佳實施例而已，自不 能以此而侷限本發明之翻，因此，舉凡顧本發明之專 利耗圍所做之鱗變倾修飾，減包含於本發騎涵蓋之專 利範圍内。 ，，、示上所述’本翻之鱗自餘抗匹配純，確實能達到 其功效及目的，故本發明誠為—實雜優異之發明，為符合發 明專狀”要件，誠符合產業_性、新雛錢步性，爰 發明，倘若鈞局街=疑：Γ明人之辛苦 定當竭力配合，實感公便。月不吝來函指示，發明人 14 200832898 【圖式簡單說明】 第一圖係為本發明較佳實施例之系統方塊圖。 第一圖係為本發明較佳實施例之電路圖。 第三圖係為本發明較佳實施例之自動阻抗調整流程圖 【主要元件符號說明】 1、微控制器 2、 脈寬調變控制器 3、 比對電路 4、 放電電路 4 2、放電第二迴路 41、放電第一迴路 5、 自動阻抗匹配系統 6、設備端 15Vdd, in turn, maintains excellent gain. (D) Another advantage of the pulse width modulation controller 2 to achieve pulse width modulation is that the pulse can reach the full-scale supply voltage, thus making it easier to overcome the internal resistance of the motor and generate a larger motor torque. However, the above disclosure is only a preferred embodiment of the present invention, and the invention cannot be limited thereto. Therefore, the scale of the invention is reduced by the patent. This is covered by the scope of the patent. ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Sexuality, new money, step by step, 爰 invention, if 钧局街=suspicious: Γ明人的苦苦定当作力,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a circuit diagram of a preferred embodiment of the present invention. The third drawing is a flow chart of automatic impedance adjustment according to a preferred embodiment of the present invention. , microcontroller 2, pulse width modulation controller 3, comparison circuit 4, discharge circuit 4, discharge second circuit 41, discharge first circuit 5, automatic impedance matching system 6, device terminal 15