1243766 玖、發明說明： 【發明所屬之技術領域】 本發明是有關於一種匹配裝置、特別是指一種可用农 取代燈泡式方向燈之車用閃爍頻率匹配裝置： 5 【先前技術】 一般汽車或機車之車體，至少都會在車頭與車尾處左 、右側各安裝一方向燈，並經由一電源繼電器來提供每一 側方向燈閃爍所需之電源，當駕駛者操作某一側之方向燈 閃爍時，其等效電路如圖1所示，乃在一電源繼電器21的 10 正、負電源輸出端2 11、2 1 2，以並聯方式電連接二燈泡型 式之方向燈22。 以汽車為例，依方向燈相關法規的規定，該電源繼電 器21必須隨著其輸出端所並聯各方向燈22之等效電阻的 不同，而以不同的頻率驅動方向燈22閃爍，當該二燈泡型 15 式之方向燈22皆未損壞時，該電源繼電器2 1控制方向燈 22的正常閃爍頻率約1〜2Hz，當有一方向燈22損壞而呈斷 路狀態時，電源繼電器21將因兩方向燈22並聯之電阻值 倍增，而變成以較快之警示閃爍頻率如3〜5Hz驅動未損壞 之方向燈22閃爍，藉此提醒駕駛者維修，以維護行車安全 2 0 ° 以每一燈泡型式方向燈22之電阻值=Ra為例作說明， 當電源繼電器21之兩輸出端21 1、212並聯兩個方向燈22 時，其等效電阻R=RA/2，當其中一方向燈22損壞而呈斷路 狀態時，其等效電阻R=RA。 1243766 由於目前光源的設計型式已有大幅變革，以往燈泡型 式方向燈已逐漸淘汰，而被發光二極體型式方向燈所取代 ，由於發光二極體具有省電、筹命長％•優點’在傻可預見 的是無論方向燈的改裝或損壞後的換裝，以發光二極體型 5 式方向燈來取代燈泡型式方向燈將成為趨勢，但在此以前 必須克服的是「電阻值的匹配問題」，其原因在於：發光二 極體的電阻遠大於一般燈泡，若單純以發光二極體型式方 向燈直接取代燈泡型式方向燈，則一個發光二極體型式方 向燈與一個燈泡型式方向燈並聯的等效電阻將約等於R.\， 10 導致電源繼電器21仍將以前述警示閃爍頻率驅動方向燈， 而無法回復正常閃爍頻率。 【發明内容】 因此，本發明之目的，即在提供一種具有匹配效果而 可用來取代燈泡型式方向燈之車用閃爍頻率匹配裝置。 15 於是，本發明之車用閃爍頻率匹配裝置適合用於組裝 在一車體上，所述車體包含一具有二電源輸出端之電源繼 電器，及至少一電連接於該二輸出端間而可受該電源繼電 器驅動閃爍之方向燈。該車用閃爍頻率匹配裝置包含：一 具有至少一電連接於所述電源繼電器之該二輸出端間之發 20 光二極體的發光單元、一在該發光單元之發光二極體通電 時受激發而輸出一控制信號之感應單元，及一受控於該感 應單元而適時提供電阻匹配作用之匹配單元。該匹配單元 包括串聯於所述電源繼電器之該二輸出端間的一匹配電阻 與一開關元件，該開關元件可受該感應單元輸出之控制信 6 1243766 號激發，而將該匹配電阻電連接於該二輸出端間。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效、在 以下配合參考圖式之較佳實施例的詳細說明中，將可清楚 5 白勺明白。 在較佳實施例被描述以前，要注意的是，在以下的說 明書之内容中，類似之元件是以相同的編號來表示。 如圖2所示，本發明之車用閃燦頻率匹配裝置4的第 一較佳實施例適合用於組裝在一車體上，所述車體包含一 10 具有二正、負電源輸出端311之電源繼電器31，及至少一 電連接於該二輸出端311間而受該電源繼電器31驅動閃燦 之方向燈32。此處之方向燈32以一般電阻值遠小於發光二 極體之燈泡為例作說明，其電阻值為，且電源繼電器3 1 在其二輸出端311外接之等效電阻為RA/2，是以正常閃爍 15 頻率（1〜2Hz)來輸出電源，此等效電阻為R.v/2等同於兩個燈 泡型式方向燈32並聯之電阻值。當兩輸出端311外接之等 效電阻為Ra，電源繼電器31是以較侠之警示閃爍頻率 (3〜5Hz)來輸出電源。 在圖2中所揭露之情形，如同電源繼電器31之兩輸出 20 端3 11原本外接有兩個並聯之方向燈32，但其中一個損壞 後以該匹配裝置4來取代，經由該匹配裝置4的取代可使 電源繼電器3 1兩輸出端3 11以正常工作頻率輸出電源來驅 動方向燈32與匹配裝置4正常閃爍，並能在匹配裝置4因 損壞而無法發亮時，使電源繼電器3 1能以警示閃燦頻率輪 7 1243766 出電源。 該匹配裝置4之第一較佳實施例是與所述車體之方向 燈32相並聯，使其可受車體之電源繼電器3 1輸出之電源 驅動而閃爍發亮。該匹配裝置4包含一可由所述電源繼電 5 器31供電而閃爍發亮之發光單元5、一在該發光單元5通 電時可受激發之感應單元6、一受控於該感應單元6而適時 提供電阻匹配作用之匹配單元7，及一在所述方向燈32損 壞時短暫提供啟動功能之輔助啟動單元8 : 配合圖3所示，該發光單元5具有至少一電連接於所 10 述電源繼電器31之該二輸出端311間之發光二極體51。該 發光單元5在實際組裝作為車體之方向燈時，通常會由多 數發光二極體51組成，以提供足夠的亮度，在本實施例中 為了方便說明僅以一發光二極體5 1為例作說明。 該感應單元6與該發光單元5之發光二極體5 1連接， 15 並可在該發光二極體5 1通電時受激發而輸出一控制信號。 本實施例中該感應單元6的實施型態是包括有一與該發光 二極體51共同串聯在兩輸出端311間之電流感應線_ 611 ，及一可將該感應線圈6 1 1所感應之信號予以放大並輸出該 控制信號的放大器612。在此須進一步說明的是，本實施例 20 中該放大器612是由其一控制接腳613輸出該控制信號， 且該控制信號為一高電位。當發光二極5 1不導通發亮時， 該感應線圈6 11將因感應電流為零，導致該放大器6 1 2無法 受激發，此時其控制接腳6 1 3是輸出一低電位，也就是說 此時放大器612並無法輸出該控制信號。 1243766 該匹配單元7包括串聯於所述電源繼電器31之兩輸出 端3 11間的一匹配電阻7 1 1與一開關元件7 1 2。設計上該匹 配電值711之電阻值與所述方向燈32相當，也就是約等於 RA。本實施例中該開關元件712是採用一場效電晶體 5 (MOSFET)，其閘極是連接並受控於前述感應單元6之放大 器6 1 2的控制接腳6 1 3，而其源極與汲極則串連於該匹配電 阻7 Π的電流回路中。有關匹配單元7受該感應單元6控制 之情形，將於下文再詳作說明。 該輔助啟動單元8包括一可在所述電源繼電器31之兩籲 10 輸出端3 11供電的一短暫時間内（如1 0 m s e c)連接於該二輸 出端311間之啟動電阻81，及一經過該短暫時間後斷開該 啟動電阻8 1之解除電路82。該啟動電阻8 1是受控於該解 除電路82而選擇性連接於兩輸出端3 11間。 本實施例中該解除電路82是採用一繼電器，具有一連 15 接於兩輸出端311間之啟動線圈821，及一受該啟動線圈 821控制之接點組822，該接點組822具有一共同接點823 、一常閉接點824及一常開接點825，該共同接點823與常鲁 閉接點824是串聯在該啟動電阻81電流回路中，當啟動線 圈82 1在兩輸出端3 11供電瞬間並不會立即被激發，此期間 2 0 内共同接點823與常閉接點824處在導通狀態，因此可將 該啟動電阻81接通在兩輸出端311間： 另當經過該短暫時間後，將因該啟動線圈82 1受激發 而令接點組822之共同接點823與常閉接點824跳脫成斷 路狀態，藉此斷開啟動電阻8 1，有關該啟動電阻8 1在該短 1243766 智時間接通於兩輸出端3 1 1間之作用， 杲因成 土吾 > 勺电源％ + 器31本身的特性，在其兩輸出端311外接之等致電阻：^ 遠大於RA)時，並不會供電，因此當所遗 燈h 、J 如毕η士 ，將形成兩輸出端311間只靠該發光二極體51來提供+ 1 值，此一情況將導致兩輸出端311間的等效點阻值：:: = 法供電，因此必須藉由該啟動電阻81在該短暫無 兩輸出端m間’使電源繼電器31能正常故動二歧料 啟動後斷開啟電阻81，以避免啟動電阻8ι對 &亚在 之整體等效電阻造成影響。 ^作期間 10 15 20 由於只要方向燈32未損壞，雷 + 啟動’因此在方向™壞的情況；二::順利 對電源繼電器31的啟動 功早凡8 “_並非絕對必要…：用，當然補助啟動單元 卜巴對义要〇疋右不設置該輔助啟動單元s 當方向燈32損壞時’發光 …’ 無法立即判斷…取 d】纟叉影嘗而不發亮， 1 _疋方向燈3，指i京』、π ί, 壞所造成。 乂發先二極II 5]也一併捐 “針對該匹配單A 7配合該感應單U與該輔助啟 =:的控制’在方…與發光二極體51皆未損壞 5 /、=壞等不同情況，分點說明如下： 與 二極體、5二t者啟動電源繼電器31，且方向燈32 二極邱51 4貝壞時：電源繼電器3]可順利啟動 ::…可通電並流經該感應單…感應線圈. 元件71^輸出高電位控制信號激發該匹配單元7 ~的閘極，於是開關元件712之源極與汲極 10 1243766 使匹配電隍7U接通於電溽電器3丨之兩輸出瑞 ih 丄山 〜i ασ 2、發光二極體 兩輸出端Ml外接之J -欢電阻將由方 S 1 nr ^-7 ^ _ 甸燈 _ —毛卜且猗甶万W ^ 1、匹配電阻7 1 1並聯而成，由於發光二極體5 1的 等效電阻 阻遠 i ,叩砭，由於發光二極 大方；方向燈3 2斑匹㉟雷卩 ，、匕1田J且711而可被忽略 、、、勺寺方t TJ , /，. “ — 正常閃爍頻率來驅數 ，因此 10 15 20 ,,„ / Η 叩口」斤夂 、、句寻於R'p，於e命、后Λ,,, 方、疋電源_電器31將以 方向燈32與發光二極體51。 # f、t%駛者啟動電源電器31，方向燈32損壞、間損料11由該輔助敌動單元8在該短暫 間，使^電阻81接通於電源繼電器31之兩輸出端3 间使兩輸出端311外拯少_ 動雷阻81 、，_ 寺政電阻由發光二極體51與 。丨且81亚聯而成，讓雷 + ^ 光二極體51冋，装 。源、、廷-电為31可順利啟動，該 把）1同樣可通電，* 4 發該匹配單元κηη_ Μ單元6輸出控制信號 干儿/之開關兀件7〗0 源繼雷哭，！ 4 ’使⑧配電阻7 Π接通於 兒态Μ之兩輸出端311 動電随81會被斷開，兩翰出：，在短暫時間過後， 由發光二極體S1匹纪辛 >而。外接之等效電阻將變 體5丨的雷阻爭大。包阻7U並聯而成，由於發光二 〜皂阻遢大於匹配電阻 阻約等於心，於是泰；; 叨可被忽略，因此等效 Λ万、疋兒源編雷哭Ή咬、“ 發光二極體51。 ⑽ ^从警示閃爍頻率來驅 3、§萬驶者啟動雷& + ”， 發光二極體。損壞時方向燈32未損壞 "光二極體51損壞無法通雷，於3 /可順利啟動，但 制信號來激發匹配單元/ 、疋我應單元ό無法輸出. 件7之開關元件71, 1〜的源極與汲極矣 1〜的閘極，開關 …、，彳通，導致阢々θ 、軋笔阻7Π無法接」 11 1243766 於電源繼電器3 1之兩輸出端3 11間，兩輸出端3 11外接之 等效電阻將等於方向燈32之電阻值R.\，於是電源繼電1 3 1會以警示閃爍頻率來驅動方向燈32 : 綜合上述可知，本實施例之設計在方向燈32與發光二 5 極體51未損壞時，確實可發揮匹配之功效，使電源繼電器 31以正常閃爍頻率驅動方向燈32與發光二極體51，並可 在方向燈32或發光二極體5 1其中之一損壞時，控制電源 繼電器31以警示閃爍頻率供電，以提醒駕駛者進行維修以 維護行車安全。 10 如圖4所示，本發明之車用閃爍頻率匹配裝置4的第 二較佳實施例與前述第一實施例的不同處在於：該感應單 元6與輔助啟動單元8等電路接線的實施型態。 該感應單元6包括有一光轉合組件6 2，該光轉合組件 62具有一與該發光二極體51共同串聯在兩輸出端31]間之 15 光電二極體62 1，及一可在該光電二極體62 1發亮時受激發 之光電晶體622。該光電二極體621在該發光二極體51通 電時可發亮，使光電晶體622受激發而由其一控制接腳623 輸出高電位之控制信號來驅動該匹配單元7之開關元件7 1 2 ，本實施例中該控制接腳623為光電晶體622的射極。 20 該輔助啟動單元8包括一可在所述電源繼電器3 1之兩 輸出端3 11供電的一短暫時間内連接於該二輸出端3 1 1間之 啟動電阻83，及一經過該短暫時間後斷開該啟動電阻83之 解除電路84。本實施例中該解除電路84具有一光耦合組件 841及一可受該光耦合組件841控制而導通之開關元件844 1243766 ，該光轉合組件8 4 1具有一連接在兩輸出端3 1 1間之光電二 極體842，及一可在該光電二極體842發亮時受激發之光電 晶體843。該開關元件844是採用蕭特基能障場效電晶體 ° (Schottky Barrier FET)，益以其汲極、源極與該啟動電阻82 5 共同串聯在兩輸出端311間： 於是在所述電源繼電器31之兩輸出端311供電的短暫 時間内，該開關元件844之閘極是受正電源之輸出端3 1 1的 高電位觸發，使其汲極與源極間呈導通狀態，而將啟動電 阻83接通於兩輸出端3 11間。當經過該短暫時間後，由於鲁 10 該光電二極體842發亮進而激發光電晶體843之射極與集 極導通，使該開關元件844之閘極接地，藉此斷開該啟動 電阻83。有關啟動電阻83在該短暫時間内接通於兩輸出端 3 11之作用，以及在短暫時間過後被斷開之作用，在第一 ff 施例中已有詳述，在此不重複說明。 15 如圖5所示，本發明車用閃爍頻率匹配裝置4之第三 較佳實施例與前述第二實施例的不同處主要是在於：該匹 配單元7的實施型態。該匹配單元7包括串聯於所述電源® 繼電器3 1之兩輸出端3 11間的一匹配電阻72 1與一開關元 件722。本實施例中該開關元件722是採用一繼電器，並具 2 0 有一可受該感應單元6激發之線圈723，及一受控於該線圈 723之接點組724。 該線圈723是與該感應單元6之光耦合組件62的光電 晶體622串聯在所述電源繼電器31之兩輸出端311間。當 該光電晶體622受激發時，其控制接腳623將形成接地狀 13 1243766 ,¾ ’使邊線圈723通雷數狄，太每 、 一放μ 本貫矻洌中該控制接腳 為光電晶體6 2 2的集極.= ~' 該接點組m具有—共同接點7:5、—常閉接 -常開接點⑺，該共同接點725與常問接點72 :: 該匹配電…電流回路中，當缘圈723未通電：二 遠共同接.點是接通於常閉接點/ 723通電時，共同接點725合 一 *琛圈 曰&丧至常開接點727。沁μ η 說，當該發光二極體51損壞時，兮。 ^疣疋 是匹配電阻m無法接通於兩 7」黑:去通電，於 10 15 20 文〜万'兩痴出端3 n間；當發一 51未損壞時’該線圈⑶將通電並使共同接 常開接點727，而使匹配雷 竣裕i 〜阻/一1丧通於兩輸出端31】 在此值的一提的是，車 + ° 雍留-c “頭手匹配裝置4中々〆 ，早疋6、匹配單元7、輔助啟料元8等，可:哉 笔路接線型態甚多，不以 又匕只'宛之 。 〜各Λ %例所揭露的型態為限 歸納上述’本發明車用閃爍頻率〜 四配功效，使其可用來 一且所提供之 的方向燈，…上各=::ί趙中所安裝之物式· 匹配…安裝於車體上取=:内容可知'本發明之 取j戈、力且，包型式方向欢二 在所述車體餘留之燈泡型式方6 & '方白&仗，不僅可 體5丨未損_ 大方向^ 32與本發明之發光二極 禾扣壞％，错本發明 |丄 源繼雷哭31，ατ am [I功效的發揮而使車體之當 Μ，以正常閃爍頻率供電來 一 W，更能在車體之燈4刑 -·κ先 光二極體51發生損壞情厂音32或本發明之發 ，控制車體之電源繼電器31 14 1243766 以警示閃爍頻率供電，以提醒駕駛者，故確實能達到發明 之目的。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 5 範圍及發明說明書内容所作之簡單的等效變化與修飾，皆 應仍屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是一般車體内之一電源繼電器以並聯方式外接複 數個方向燈之等效電路圖； 10 圖2是本發明車用閃爍頻率匹配裝置之第一較佳實施 例組裝在一車體上之功能方塊圖； 圖3是該第一較佳實施例組裝在一車體上之等效電路 圖； 圖4是本發明車用閃爍頻率匹配裝置之第二較佺實施 15 例組裝在一車體上之等效電路圖；及 圖5是本發明車用閃爍頻率匹配裝置之第三較佳f施 例組裝在一車體上之等效電路圖。 15 1243766 【圖式之主要元件代表符號說明】 3 1 - · …電源繼電器 723•… •…線圈 3 11 * 輸出端 724‘，. .接點組 32…… •方向燈 725 -· …共同接點 4 …匹配裝置 726·· …常閉接點 5 …發光單元 727… …常開接點 5 1 •… …發光二極體 8....... …輔助啟動電路 6…… …感應早元 81 · · …啟動電阻 6 11 …' …感應線圈 82 · · • - ·解除電路 612… …放大器 821 •… •…啟動線圈 613… …控制接腳 822，… …接點殂 62… …光耦合組件 823 -· •、共同接點 621… …光電二極體 824-· …常閉接點 622 …光電晶體 825· -· ••常開接點 623… …控制接腳 83 - · …啟動電阻 7 -…‘、 …匹酉己單元 84…. ••解除電路 711‘-， •…匹配電阻 841-- ••光耦合殂件 712… …開關元件 842•… …光電二極體 721 * ' 匹i己電阻 843 · …光電晶體 722… …開關元件 8 44' …開關元件 161243766 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a matching device, in particular to a flicker frequency matching device for a vehicle that can replace a bulb-type direction lamp with a farmer: 5 [Prior technology] General automobile or locomotive At least one directional light is installed on the left and right sides of the front and rear of the vehicle body, and a power relay is used to provide the power required for each side directional light to flash. When the driver operates the directional light on one side, it flashes. At this time, its equivalent circuit is shown in FIG. 1, which is 10 positive and negative power output terminals 2 11, 2 1 2 of a power relay 21, and is connected in parallel to the two-bulb type directional lights 22. Taking a car as an example, according to the relevant regulations of the direction light, the power relay 21 must drive the direction light 22 to blink at different frequencies according to the equivalent resistance of each direction light 22 connected in parallel at its output end. The power relay 21 controls the normal blinking frequency of the direction light 22 when the bulb type 15 type direction light 22 is not damaged. When one of the direction lights 22 is broken and the circuit is in an open state, the power relay 21 will be in two directions. The resistance value of the lights 22 connected in parallel doubles, and it turns into a flashing blinker with a faster warning frequency, such as 3 ~ 5Hz, to drive the undamaged direction lights 22 to blink, thereby reminding the driver to maintain and maintain driving safety. 20 ° In the direction of each light bulb type The resistance value of the lamp 22 = Ra is taken as an example for explanation. When the two output terminals 21 1,212 of the power relay 21 are connected in parallel with two directional lamps 22, the equivalent resistance R = RA / 2, and when one of the directional lamps 22 is damaged and When in the open state, its equivalent resistance R = RA. 1243766 Because the current design of the light source has changed significantly, the previous light bulb type direction lights have been gradually phased out and replaced by light emitting diode type direction lights. Because light emitting diodes have power saving and long life expectancy It is foreseeable that regardless of the modification or replacement of the direction light, it will become a trend to replace the light bulb type direction light with a light emitting diode type 5 type direction light, but before this, the problem of "resistance value matching" must be overcome The reason is that the resistance of light-emitting diodes is much greater than that of ordinary light bulbs. If a light-emitting diode type direction light is used instead of a light-bulb type direction light, a light-emitting diode type direction light is connected in parallel with a light-bulb type direction light. The equivalent resistance will be approximately equal to R. \. 10 causes the power relay 21 to still drive the direction indicator with the aforementioned warning flashing frequency, but cannot return to the normal flashing frequency. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a flashing frequency matching device for a vehicle that has a matching effect and can be used instead of a light bulb type direction lamp. 15 Therefore, the vehicle flicker frequency matching device of the present invention is suitable for assembling on a vehicle body, the vehicle body includes a power relay having two power output terminals, and at least one is electrically connected between the two output terminals. The flashing direction light is driven by the power relay. The vehicle flicker frequency matching device includes: a light-emitting unit having at least one 20-light emitting diode electrically connected between the two output terminals of the power relay, and a light-emitting diode that is excited when the light-emitting diode of the light-emitting unit is energized. A sensing unit that outputs a control signal, and a matching unit that is controlled by the sensing unit to provide a resistance matching function in a timely manner. The matching unit includes a matching resistor and a switching element connected in series between the two output terminals of the power relay. The switching element can be excited by the control signal 6 1243766 output by the induction unit, and the matching resistor is electrically connected to Between the two output terminals. [Embodiment] The foregoing and other technical contents, features, and effects of the present invention will be clearly understood in the following detailed description of the preferred embodiment with reference to the drawings. Before the preferred embodiment is described, it should be noted that in the contents of the following description, similar elements are denoted by the same reference numerals. As shown in FIG. 2, the first preferred embodiment of the vehicle flash-matching frequency matching device 4 of the present invention is suitable for assembling on a vehicle body, the vehicle body includes a 10 with two positive and negative power output terminals 311 The power relay 31 and at least one of the flashing direction lights 32 are electrically connected between the two output terminals 311 and driven by the power relay 31. The direction light 32 here takes a light bulb with a general resistance value that is much smaller than that of a light-emitting diode as an example. The resistance value is, and the equivalent resistance of the power relay 3 1 externally connected to its two output terminals 311 is RA / 2. The power is output with a normal blinking frequency of 15 (1 ~ 2Hz). This equivalent resistance is Rv / 2 which is equivalent to the resistance value of two bulb-type direction indicators 32 connected in parallel. When the equivalent resistors connected to the two output terminals 311 are Ra, the power relay 31 outputs power at a relatively high warning flashing frequency (3 to 5 Hz). In the situation disclosed in FIG. 2, the two outputs 20 terminal 3 11 of the power relay 31 were originally externally connected with two parallel directional lights 32, but one of them was replaced by the matching device 4 after being damaged. Instead, it can make the power relay 3 1 two output terminals 3 11 output power at the normal operating frequency to drive the blinker 32 and the matching device 4 to blink normally, and enable the power relay 3 1 to Turn off the power by warning 12-1243766. The first preferred embodiment of the matching device 4 is connected in parallel with the direction light 32 of the vehicle body so that it can be driven by the power output from the power relay 31 of the vehicle body to flash and light. The matching device 4 includes a light-emitting unit 5 that can be powered and flashed by the power relay 5, a sensing unit 6 that can be excited when the light-emitting unit 5 is powered on, a controlled unit 6 and A matching unit 7 that provides a resistance matching function in a timely manner, and an auxiliary starting unit 8 that temporarily provides a starting function when the direction light 32 is damaged: As shown in FIG. 3, the light-emitting unit 5 has at least one electrical connection to the power source described above. The light emitting diode 51 between the two output terminals 311 of the relay 31. When the light-emitting unit 5 is actually assembled as a direction light of a vehicle body, it is usually composed of a plurality of light-emitting diodes 51 to provide sufficient brightness. In this embodiment, for convenience of explanation, only one light-emitting diode 51 is used as Examples for illustration. The sensing unit 6 is connected to the light-emitting diode 51 of the light-emitting unit 5, and can be excited when the light-emitting diode 51 is energized to output a control signal. The embodiment of the induction unit 6 in this embodiment includes a current sensing line _ 611 which is connected in series with the light emitting diode 51 between two output terminals 311, and a current sensing line 6 1 1 which can be sensed by the induction coil 6 1 1. The signal is amplified by an amplifier 612 that outputs the control signal. It should be further explained here that the amplifier 612 in this embodiment 20 outputs the control signal through a control pin 613, and the control signal is at a high potential. When the light-emitting diode 5 1 is not turned on, the induction coil 6 11 will be unable to be excited because the induced current is zero. At this time, the control pin 6 1 3 outputs a low potential. That is to say, at this time, the amplifier 612 cannot output the control signal. 1243766 The matching unit 7 includes a matching resistor 7 1 1 and a switching element 7 1 2 connected in series between the two output terminals 3 11 of the power relay 31. By design, the resistance value of the power distribution value 711 is equivalent to the direction indicator 32, that is, approximately equal to RA. In this embodiment, the switching element 712 is a field effect transistor 5 (MOSFET). The gate of the switching element 712 is connected to and controlled by the control pin 6 1 3 of the amplifier 6 1 2 of the induction unit 6, and the source and The drain is connected in series in the current loop of the matching resistor 7 Π. The situation where the matching unit 7 is controlled by the sensing unit 6 will be described in detail later. The auxiliary starting unit 8 includes a starting resistor 81 that can be connected between the two output terminals 311 within a short period of time (such as 10 msec) for supplying power to the two output terminals 3 11 of the power relay 31, and a After a short time, the release circuit 82 of the start resistor 81 is disconnected. The starting resistor 81 is controlled by the cancelling circuit 82 and is selectively connected between the two output terminals 3 11. In this embodiment, the release circuit 82 uses a relay, which has a starting coil 821 connected in series between two output terminals 311 and a contact group 822 controlled by the starting coil 821. The contact group 822 has a common Contact 823, a normally closed contact 824, and a normally open contact 825. The common contact 823 and the normally closed contact 824 are connected in series in the current circuit of the starting resistor 81. When the starting coil 82 1 is at the two output terminals, 3 11 will not be immediately excited at the moment of power supply. During this period, the common contact 823 and the normally closed contact 824 are in the conducting state, so the start resistor 81 can be connected between the two output terminals 311: After this short period of time, the common contact 823 and the normally closed contact 824 of the contact group 822 are tripped into an open state due to the activation of the start coil 82 1, thereby disconnecting the start resistor 8 1. The effect of 8 1 being connected between the two output terminals 3 1 1 in the short 1243766 smart time, due to the characteristics of the power source of the spoon & the power source of the spoon 31 + device, the two output terminals 311 are connected to the equivalent resistance: ^ Is far greater than RA), there will be no power supply, so when the remaining lights h, J are as complete as η Will form the +1 value between the two output terminals 311 only by the light-emitting diode 51. This situation will result in the equivalent point resistance value between the two output terminals 311 :: = = power supply, so you must use this The start-up resistor 81 is between the short-term two output terminals m, so that the power relay 31 can normally turn on the resistance 81 after the two-distribution material is started, so as to prevent the start-up resistor 8m from affecting the overall equivalent resistance of & Yazai. ^ Operating period 10 15 20 As long as the directional light 32 is not damaged, Thunder + start 'so the direction ™ is broken; 2: :: Smooth start of the power relay 31 as early as 8 "_ is not absolutely necessary ...: use, of course Auxiliary start unit Bu Ba righteousness 疋 疋 The auxiliary start unit is not set s When the direction light 32 is damaged, 'glow ...' can not be judged immediately ... take d] 纟 fork shadow taste without lighting, 1 _ 疋 direction light 3 , Refers to i 京 ”, π ί, bad. 乂 发 先 二 极 II 5] also donated“ for the matching sheet A 7 to cooperate with the induction sheet U and the auxiliary start =: control in the side ... and The light-emitting diodes 51 are not damaged 5 /, = bad, etc. The points are described as follows: The power relay 31 is turned on with the diodes and 52, and the direction indicator 32 is 32-pole Qiu 51 4 When the power is bad: power Relay 3] can be started smoothly :: ... can be energized and flow through the induction unit ... induction coil. Element 71 ^ outputs a high-potential control signal to excite the gate of the matching unit 7 ~, so the source and drain of the switching element 712 are 10 1243766 Make the matching circuit 7U connected to the two outputs of the electrical appliance 3 丨 ih 丄 山 ~ i ασ 2 The J- resistor connected to the two output terminals M1 of the light-emitting diode will be formed by the square S 1 nr ^ -7 ^ _ dian lamp _-Mao Bu and Wan Wan ^ 1, and the matching resistor 7 1 1 is connected in parallel. The equivalent resistance of the polar body 51 is far away i, 叩 砭, due to the light emitting maximum square; the direction indicator 3 2 spot ㉟ ㉟ ㉟, 田 1 field J and 711 can be ignored, 勺, 勺 寺 方 t TJ , / ,. "— normal blinking frequency to drive the number, so 10 15 20 ,," / Η 叩 口 "cats, and sentences are found in R'p, in e life, after Λ ,,, square, 疋 power_ The electric appliance 31 will use a direction indicator 32 and a light emitting diode 51. # f, t% The driver starts the power supply device 31, the direction light 32 is damaged, and the intermittent material 11 is switched by the auxiliary enemy unit 8 during the short period, so that the resistor 81 is connected between the two output terminals 3 of the power relay 31 so that two The output terminal 311 is externally protected by a dynamic lightning resistance 81, and a temple resistance is connected by a light emitting diode 51 and.丨 And 81 Asian Union, let Ray + ^ photodiode 51 冋, installed. The source, and power are 31, and can be started smoothly. The same) 1 can also be powered on, * 4 sends the matching unit κηη_ Μ unit 6 to output the control signal Gan Er / the switch element 7〗 0 source Jilei cry ,! 4 'Make the distribution resistor 7 Π connected to the two output terminals 311 of the child state M. The power will be disconnected with 81. After two hours, the light-emitting diode S1 will be used.> . The equivalent resistance of the external will increase the lightning resistance of variant 5 丨. The encapsulation is formed by connecting 7U in parallel. Since the luminous resistance is greater than the matching resistance, the resistance is approximately equal to the heart, so Tai;; 叨 can be ignored, so equivalent Body 51. ⑽ ^ Drive from the flashing frequency of warning 3, § 10,000 drivers start thunder & + "light emitting diode. The direction indicator 32 is not damaged when the light is damaged. "The light diode 51 is damaged and cannot be thundered. It can be started smoothly at 3 /, but the signal to excite the matching unit / and the unit should not be output. Switch element 71, 1 of item 7 The source of the ~ and the gate of the drain 矣 1 ~, the switch, ..., and 彳 are connected, resulting in 阢 々 θ and the pen resistance 7Π cannot be connected. 11 1243766 Between the two output terminals 3 11 of the power relay 3 1 and two outputs The equivalent resistance externally connected to terminal 3 11 will be equal to the resistance value R. \ of the direction light 32, so the power relay 1 3 1 will drive the direction light 32 with a warning flashing frequency. Based on the above, it can be seen that the design of this embodiment is the direction light When the 32 and the light-emitting diode 5 are not damaged, the matching function can be played. The power relay 31 can drive the direction indicator 32 and the light-emitting diode 51 at a normal blinking frequency. When one of them is damaged, the control power relay 31 supplies power with a warning flashing frequency to remind the driver to perform maintenance to maintain driving safety. 10 As shown in FIG. 4, the second preferred embodiment of the vehicle flicker frequency matching device 4 of the present invention is different from the first embodiment described above in that: the embodiment in which the induction unit 6 is connected to an auxiliary starting unit 8 and other circuits state. The sensing unit 6 includes a light conversion component 62. The light conversion component 62 has a photodiode 62 1 and a photodiode 62 1 connected in series with the light emitting diode 51 between the two output terminals 31. The photodiode 621 is excited when the photodiode 621 is illuminated. The photodiode 621 can illuminate when the light-emitting diode 51 is energized, so that the photoelectric crystal 622 is excited and a control signal of a high potential is output by a control pin 623 to drive the switching element 7 1 of the matching unit 7 1 2. In this embodiment, the control pin 623 is an emitter of the photo-crystal 622. 20 The auxiliary starting unit 8 includes a starting resistor 83 which can be connected between the two output terminals 3 1 1 within a short period of time when power is supplied to the two output terminals 3 11 of the power relay 3 1, and after the short period of time has elapsed, The release circuit 84 of the start resistor 83 is turned off. In this embodiment, the release circuit 84 has an optical coupling component 841 and a switching element 844 1243766 which can be turned on by being controlled by the optical coupling component 841. The optical conversion component 8 4 1 has a connection between two output terminals 3 1 1 The photodiode 842 in between, and a photodiode 843 that can be excited when the photodiode 842 is illuminated. The switching element 844 is a Schottky Barrier FET (Schottky Barrier FET), and its drain, source and the starting resistor 82 5 are connected in series between the two output terminals 311: For a short period of time when the two output terminals 311 of the relay 31 are powered, the gate of the switching element 844 is triggered by the high potential of the output terminal 3 1 1 of the positive power supply, so that its drain and source are in a conductive state and will start. The resistor 83 is connected between the two output terminals 3 11. After the short time has elapsed, since the photodiode 842 is illuminated and the emitter and collector of the photo-crystal 843 are turned on, the gate of the switching element 844 is grounded, thereby turning off the start-up resistor 83. The function of the starting resistor 83 being connected to the two output terminals 3 11 in this short time and the function of being turned off after the short time has been described in detail in the first embodiment, and will not be repeated here. 15 As shown in FIG. 5, the third preferred embodiment of the vehicle flicker frequency matching device 4 of the present invention differs from the aforementioned second embodiment mainly in the implementation form of the matching unit 7. The matching unit 7 includes a matching resistor 72 1 and a switching element 722 connected in series between the two output terminals 3 11 of the power supply® relay 31. In this embodiment, the switching element 722 uses a relay, and has a coil 723 that can be excited by the induction unit 6 and a contact group 724 controlled by the coil 723. The coil 723 is connected in series with the photo-crystal 622 of the optical coupling component 62 of the induction unit 6 between the two output terminals 311 of the power relay 31. When the optoelectronic crystal 622 is excited, its control pin 623 will form a ground 13 1243766, ¾ 'make the side coil 723 pass thunder number D, Taiji, Yi put μ This control pin is a photoelectric crystal The collector of 6 2 2. = ~ 'The contact group m has-common contact 7: 5,-normally closed-normally open contact ⑺, the common contact 725 matches the frequently asked contact 72 :: this match In the electrical ... current loop, when the edge coil 723 is not energized: the two remote joints are connected. When the contact is connected to the normally closed contact / 723 is energized, the common contact is 725 in one * chen circle said & normally open contact 727. Qin μ η said that when the light emitting diode 51 is damaged, Xi. ^ The wart resistance is that the matching resistance m cannot be connected to two 7 "black: de-energize, between 10 15 20 text ~ 10,000 'two idiots out of 3 n; when the first 51 is not damaged' the coil ⑶ will be energized and Commonly open the normally open contact 727, and make the matching Lei Junyu i ~ resistance / 1 1 through the two output terminals 31] One of the values mentioned here is the car + ° Yongliu -c "head-hand matching device 4 Zhongyu, early 疋 6, matching unit 7, auxiliary starter 8 and so on, can be: There are many types of wiring in the pen pen circuit, not limited to daggers. ~ Each Λ% example is limited to the type disclosed Summarize the above-mentioned 'car flashing frequency of the present invention ~ four matching effects, so that it can be used for the provided direction lights, each of the above = :: ί Zhaozhong's type of installation · matching ... installed on the car body to take =: Contents can be learned 'The present invention is based on the strength, strength, and package type of Huanji, the remaining bulb type in the car body Fang 6 &' Fang Bai & War, not only can body 5 丨 not damaged _ big Orientation ^ 32 and the light emitting diode of the present invention are bad, and the present invention is wrong. The present invention | 丄 源 继 雷雷 31, ατ am [I function to make the body of the vehicle M, power at a normal blinking frequency to one W, Can be more punished in the car body lamp 4-· κ first photodiode 51 damage love sound 32 or the invention of the invention, the power relay 31 14 1243766 to control the car body power supply with warning flashing frequency to remind the driver, so The purpose of the invention can be achieved. However, the above are only the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, that is, what is generally done in accordance with the scope of patent application 5 and the description of the invention Simple equivalent changes and modifications should still be covered by the patent of the present invention. [Simplified illustration of the figure] Figure 1 is an equivalent circuit diagram of a power relay in a general vehicle body connected in parallel with a plurality of direction lights; 10 FIG. 2 is a functional block diagram of a first preferred embodiment of the vehicle flicker frequency matching device assembled on a vehicle body according to the present invention; FIG. 3 is an equivalent circuit diagram of the first preferred embodiment assembled on a vehicle body Figure 4 is an equivalent circuit diagram of a second comparison example of a vehicle flicker frequency matching device assembled on a vehicle body according to the second embodiment of the present invention; and Figure 5 is a third preferred equivalent of the vehicle flicker frequency matching device according to the present invention; f Example equivalent circuit diagram assembled on a car body. 15 1243766 [Description of the main components of the diagram] 3 1-·… Power relay 723 •… •… Coil 3 11 * Output terminal 724 ',.. Point group 32 ... • Direction light 725 -...… common contact 4… matching device 726…… normally closed contact 5… light emitting unit 727… normally open contact 5 1 •…… light emitting diode 8. .....… Auxiliary start circuit 6…… Induction early 81 · ·… Start resistance 6 11… '… Induction coil 82 · · •-· Release circuit 612…… Amplifier 821 •… •… Start coil 613… … Control pin 822,…… contact 殂 62…… optical coupling module 823-· •, common contact 621…… photodiode 824- ·… normally closed contact 622… optoelectronic crystal 825 ·-· •• Normally open contact 623…… Control pin 83-·… Start resistance 7-… ',… Have unit 84…. •• Release circuit 711'-, •… Matching resistance 841-- •• Optical coupling 712…… switching element 842 •…… photodiode 721 * 'piezo resistance 843 · … Phototransistor 722…… switching element 8 44 '… switching element 16