1300993 九、發明說明： 【發明所屬之技術領域】 - 本發明係關於一種控制電路，尤指一種用以控制發光 - 二極體開閉，並檢測發光二極體是否損壞的發光二極體裝 置控制電路。 【先前技術】 發光二極體在使用時，由於單顆發光二極體的亮度有 限，因此多同時使用多個發光二極體以增加整體亮度，例 如應用於車輛的照明裝置時，一般的作法係將多個發光二 極體進行並聯以避免任一發光二極體損壞而導致照明裝置 無法使用。1300993 IX. Description of the Invention: [Technical Field] The present invention relates to a control circuit, and more particularly to a control device for controlling the opening and closing of a light-emitting diode and detecting whether the light-emitting diode is damaged or not. Circuit. [Prior Art] When the light-emitting diode is used, since the brightness of a single light-emitting diode is limited, a plurality of light-emitting diodes are simultaneously used to increase the overall brightness, for example, when applied to a lighting device of a vehicle, a general method The plurality of light-emitting diodes are connected in parallel to avoid damage of any of the light-emitting diodes, thereby rendering the lighting device unusable.
田其中一發光二極體損壞時，因並聯迴路之電流仍可 正㊉刀机予其餘未損壞之發光二極體，因此未損壞之發光 極體仍可正常發光，然而，當發光二極體用於作為汽車 側向的主要方向燈時，具有其中一發光二極體損壞無法點 党時’其他發光二極體必須全部關閉的需求，而單純的並 聯電路除無法滿足一發光二極體損壞、全數則不亮的要长 外’亦無從由電路上判斷是否有發光二極體損 出警告。 义 :若為解決上述問題’而將發光二極體採 :中崎一極體相壞時即令所有發光二極 ’惟相同數量的發光二極體以串聯連接時 較大之電能方可點亮，因此並一 衣直构適用，例如汽 3 1300993 車内部僅提供12伏特之電力，故無法驅動數量多且作串 聯連接的發光二極體。 因此，尚待謀求一對應的改善方案。 【發明内容】 為此，本發明之主要目的在提供一發光二極體裝置的 制電路纟可控制發&二極體開閉，並檢測發光二極體 是否損壞。 為達成則述目的所採取之主要技術手段係令前述控制 電路包括： 一控制單元； 發光一極體模組，其中每一個發光二極體模組 糸以數個發光二極體先兩兩反向並聯後再串聯； 接4=嗔向電路，均連接前述控制單元，並爾 ， 一極體模組中對應的發光二極體；When one of the light-emitting diodes in the field is damaged, the current of the parallel circuit can still be supplied to the remaining undamaged light-emitting diodes, so that the undamaged light-emitting diode can still emit light normally, however, when the light-emitting diode is When used as the main direction light of the car side, when one of the light-emitting diodes is damaged, the other light-emitting diodes must be completely turned off, and the simple parallel circuit cannot satisfy the damage of one light-emitting diode. If the whole number is not bright, it is not necessary to judge whether there is a warning of the loss of the LED. Sense: If the above problem is solved, the illuminating diode will be ignited: when the Nakasaki one is in the opposite phase, all the illuminating diodes will be illuminated, but only the same number of illuminating diodes will be connected in series to illuminate the power. Therefore, it is suitable for a straight dress. For example, the car 3 1300993 only provides 12 volts of electric power inside, so it is impossible to drive a large number of light-emitting diodes connected in series. Therefore, a corresponding improvement plan has yet to be sought. SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide a circuit for a light-emitting diode device that can control the opening and closing of a light-emitting diode and detect whether the light-emitting diode is damaged. The main technical means adopted for achieving the stated purpose is that the control circuit comprises: a control unit; a light-emitting one-pole module, wherein each of the light-emitting diode modules is preceded by two light-emitting diodes Connected in parallel and then connected in series; connected to the 4=嗔-direction circuit, both connected to the aforementioned control unit, and the corresponding light-emitting diode in the one-pole body module;
礴缓電路，其輸入端連接 出端則連接前述控制單元； 而其電壓輸 係連接於前述發光二極體模組之 間，另由前述穩壓電路之電壓輸 至少兩個檢測電路， 電流輸出端與控制單元之 出端取得工作電壓。 出工作脈波 一極體以互 而送出訊號 可藉由檢測 挂制壙向電路， ^ ^ °亥順向電路則交替地驅 相父替的方式菸本 ^ ^ X光’再令檢測電路交替 予控制單元， 寺若有任一發光二極體 4 1300993 電路無法對應卫作脈波送出訊號予控制單&，使控制單元 :再运出卫作脈波，以控制順向電路不再點亮發光二極 肢，所有發光-極體隨即熄滅，目此可即時通知使用者已 有&光-極體且由於係利用控制單元以交替方式送 :工作脈波予順向電路，令順向電路交替地點亮發光二極 …使發光二極體不致持續長時間的發亮，故前揭電路可 有效減少發光二極體所產生之熱能。The buffer circuit has an input terminal connected to the output terminal and connected to the control unit; and a voltage transmission line is connected between the LED modules, and the voltage of the voltage regulator circuit is input to at least two detection circuits, and the current output is The working voltage is obtained at the end of the terminal and the control unit. The working pulse wave sends a signal to each other to detect the hanging circuit, and the ^ ^ ° hai shun circuit alternately drives the parent to replace the cigarette. ^ ^ X ray 'and then the detection circuit alternates To the control unit, if there is any LED 2 1300993 circuit, the circuit cannot send the signal to the control unit & the control unit: then the servo pulse is sent out to control the forward circuit. Brightly illuminating the two poles, all the illuminating-poles are extinguished, so that the user can be notified immediately of the existing & light-poles and because the control unit sends them in an alternating manner: the working pulse wave is forwarded to the circuit, The light-emitting diodes are alternately lit to the circuit to prevent the light-emitting diode from being illuminated for a long time, so that the circuit can effectively reduce the heat energy generated by the light-emitting diode.
前述順向電路主要係包括： PNP電晶體，其集極連接其對應發光二極體的電流 輸入端，射極透過一電阻連接基極； 曰NPN電曰曰體Q2 ’其集極透過-電阻連接前述pNp電 體之基極#射極透過一電阻與基極連接後，再透過一 電阻連接至前述控制單元； 另NPN電晶體Q3，其集極連接其對應發光二極體的 電流輪出^ ’射極接地且基極係分別透過—電阻連接前述 控制單元以及透過一電阻接地。 其輸 過另 而成 則述穩壓電路主要係由一穩壓積體電4 (! C )構成， 端”直*電源之間串聯有一二極體，而其輸出端透 一二極體連接輸入端 為一電壓輸出端。 輸出端並利用一電阻作為負載 前述檢測電路主要係包括·· 一 NPN電晶體q1g，其基極連接其所對應發光二極體 的電流輸出端，集極係連接基極；The forward circuit mainly comprises: a PNP transistor, the collector is connected to the current input end of the corresponding light emitting diode, and the emitter is connected to the base through a resistor; the 曰NPN electric body Q2 'its collector pass-resistance The base electrode connected to the pNp electric body is connected to the base through a resistor, and then connected to the control unit through a resistor; and the NPN transistor Q3 is connected to the current of the corresponding LED. ^ 'The emitter is grounded and the base is connected to the control unit through a resistor and grounded through a resistor. The voltage-stabilizing circuit is mainly composed of a voltage-stabilized integrated body 4 (! C ), and a diode is connected in series between the ends of the power supply, and a diode is connected in series between the power terminals. The input terminal is a voltage output terminal. The output terminal uses a resistor as the load. The detection circuit mainly includes an NPN transistor q1g, and the base thereof is connected to the current output end of the corresponding LED, and the collector system Connecting the base;
另NPN電阳體Q1，其基極透過一電阻連接前述NpN 5 1300993 電晶體Q10之射極 路的電壓輪出端、 元0 ’而集極分別透過一雷 ^ 冤阻連接該穩壓電 透過一電阻接地以及 久逆接别述控制單 【實施方式】 關於本發明發光二極體裴 例，請參閱第-圖所示m #路之一幸父佳實施 發光二極體模组（20 由—控制單元（"）、- 體杈組（2 〇 )、兩順向電 -穩壓電路與兩檢測電…2)、 义丄 1」（5 2 )所組成。 則述控制單元（i 〇 )係 施例中係以-處理写積”^供工作脈波’於本實 接腳。4理益積體電路（⑹為之，其上具有複數 前述發光二極體模組（2 〜D8所構成m 由數個發光二極體D3 所構成，其中發光二極體⑽與D4、D5*D6以及D7 與D8係兩兩反向並聯後，再加以串聯。 前述兩順向電路（31) / Q 0 , ^ (1〇)的接腳u 連接前述控制單元 ◦)上對應接…二 體D3、_7，該順向電路（31)包括，…二極 一 PNP電晶體q4，其集極連接發光二 輸入端，其射極透過電阻R1〇連接基極；—3之電流 一 NPN電晶體Q2，其集極透 電晶體一，其射極透過電阻心::::，： 1300993 透過電阻R3連接至控制單元（1 〇 )的第i接腳； 、另一 NPN電晶體Q3，其集極連接發光二極體的電 、、 崦，八射極接地，而基極分別透過電阻R6連接前 V卫制單元（1 0 ))的第1接腳以及透過電阻R5接地。 另一順向|路（3 2 )構造與前述順向電路（3 χ ) 、5、不同之處在於其係連接控制單元（1 Q )的第3接 =，並順向連接前述發光二極體D4、D6與⑽，用以接收 :制單元（1 0 )對應接腳CTB所送出之工作脈波來點亮 务光二極體D4、D6與！)8。 則述穩壓電路之輸入端連接至直流電源，於本實施例 中，所述穩壓電路主要係由一穩壓積體電路（ic) ( 4 〇 ) 所構成，其輸入端與直流電源之間串聯有一二極冑Μ，而 其輸出端透過一二極體D2連接輸入端。 前述檢測電路（51) (52)係連接於前述發光二 極體模組（20)之電流輸出端與控制單元（1〇)之間，In addition, the base of the NPN electric positive body Q1 is connected to the voltage output end of the emitter path of the NpN 5 1300993 transistor Q10 through a resistor, and the collector is connected through the lightning resistor through a lightning resistor. A resistor grounding and a long-term reverse control device [Embodiment] For the example of the light-emitting diode of the present invention, please refer to one of the m # roads shown in the figure - the implementation of the light-emitting diode module (20 by - control The unit ("), - body group (2 〇), two forward power-regulator circuits and two detection powers... 2), 丄 1" (5 2 ). In the example of the control unit (i 〇), the processing write product "^ for the working pulse wave" is used in the actual pin. The four-dimensional integrated circuit ((6) has a plurality of the aforementioned light-emitting diodes thereon) The body module (2 to D8 is composed of a plurality of light-emitting diodes D3, wherein the light-emitting diodes (10) and D4, D5*D6, and D7 and D8 are connected in parallel in parallel, and then connected in series. The two forward circuits (31) / Q 0 , ^ (1〇) pin u are connected to the aforementioned control unit ◦) corresponding to the two bodies D3, _7, the forward circuit (31) includes, ... two pole one PNP The transistor q4 has a collector connected to the light-emitting two-input terminal, the emitter of which is connected to the base through the resistor R1〇; the current of the -3 is an NPN transistor Q2, and the collector of the collector is through the resistor core: ::,: 1300993 is connected to the ith pin of the control unit (1 〇) through the resistor R3; and the other NPN transistor Q3 is connected to the collector, the 崦, and the eighth emitter of the illuminating diode. The base is connected to the first pin of the front V-cell (10) through the resistor R6 and the ground through the resistor R5. Another forward|road (3 2 ) structure and the foregoing The circuit (3 χ ) and 5 are different in that they are connected to the third connection of the control unit (1 Q ) and are connected in the forward direction to the light-emitting diodes D4, D6 and (10) for receiving: 1 0) corresponding to the working pulse wave sent by the pin CTB to illuminate the light-emitting diodes D4, D6 and !) 8. The input end of the voltage stabilizing circuit is connected to the DC power source. In this embodiment, the stable The voltage circuit is mainly composed of a voltage-stabilized integrated circuit (ic) (4 〇). The input terminal and the DC power supply are connected in series with a diode, and the output terminal is connected to the input terminal through a diode D2. The detecting circuit (51) (52) is connected between the current output end of the light emitting diode module (20) and the control unit (1).
二:山才双測電路（5 1 )係連接於發光二極體Μ的電流 輸出端，用以檢測發光二極體D3、〇5貞D7是 ， 該檢測電路（5 1 )包括： 貝取 Y胸電晶體_，其基極連接發光二極體〇7的電流 輸出知，其集極連接至基極； 另一胸電晶冑Q卜其基極透過電阻R2連接至前述 NPN電晶冑㈣的射極，且其集極連接前述控制單元（1 0 )的第4接腳。 另一檢測電路（52)構造與前述檢测電路（51) 7 1300993 相同，不同之處在於其係連接<、 6接腳與發光二極體D4的電产：:控制單元（1 〇)的第 二極體D4、D6_是否有損汽輪出端之間，用以檢測發光 二=電路之工作方式;如下所述： ，出1=主要係利用該控制單元（10”交替方式 (31) (32)以交替方式^) (32)，令順向電路 以及M、_D8，於發光二^發光二極體D3、D5與D7 P gp IV ^ ^ ^ 、—極體 D3、D5 與 D7 —媳滅， 二冗發光二極體D4、D6“8,由於發光二極體⑽、 :广係分別與發光二極體^與⑽反向終故 / 4電路（5 1 )( 5 2 )可因發光二極體係交替地被 點亮而使其上的電晶體㈣肖Q9交替地被導通，進而交 ^送出訊號予控制單元（10)的第4與第6接腳，此 時若有任-發光二極體損壞’例如若發光二極體恥損壞， 雖順向電路（31)仍收到控制單元（1〇)所送出的工 作脈波而欲點亮發光二極體D3、恥與D7，惟由於發光二 極體D5已損壞而無法構成一迴路，故發光二極冑^、的 與D7均不發亮，且同一時間檢測電路（5工）上的電晶 體㈣將無法被導通，當控制單元（丄〇 )檢測到第4與 第6接腳同時無法接收到訊號時，即判斷有發光二極體損 壞，而停止送出工作脈波予順向電路（3 1 ) (32)， 令所有的發光二極體均不發亮，以通知使用者至少有一發 光二極體已損壞。 另由於人的眼睛具有視覺暫留的特性，因此發光二極 8 1300993 但 體D3、D5與D7以及D4、D6與D8雖係交替地被點亮 人眼則是感覺到發光二極體未曾熄滅。 由上述可去口，本發明之控料元以交替方式送出工作 脈波控制順向電路點亮發光二極體，並交替地導通檢測電 路’令檢測電路交替地送出一訊號予控制單元，此時若有 任-發光二㈣損$，檢測電路將無法對應工作脈波送出 -訊號予控制單元，使控制單元停止送出工作脈波，故所 有發光二極體將不會被點亮，使用者可輕易查覺至少一發 光二極體已損壞；另由於發光二極體係交替地被點亮，： 此不致長期且同時點亮多個發光二極體，故不致產生過言 的熱能’如此—來’將可有效減緩元件的老化與損壞。n ―惟本發明雖已於前述實施例中所揭露，但並不僅限於 ::貫施例中所提及之内容，在不脫離本發明之精神和範 :作之任何變化與修改，均屬於本發明之保護範圍。 ”丁、上所述’本發明相較既有發光二極體裝置的控制畲 路已具備顯著功效捭淮，* Μ人文 ^ 起申請。力Α進’並符合發明專利要件，表依法提 【圖式簡單說明】 第一圖··係本發明之電路示意圖。 【主要元件符號說明】 (1 0)控制單元（20)發光二極體模組 1 ) ( 3 2 )順向電路 1300993 (4 0 )穩壓積體電路 (51) ( 5 2 )檢測電路2: The mountain dual-measurement circuit (5 1 ) is connected to the current output end of the light-emitting diode , for detecting the light-emitting diode D3, 〇5贞D7, and the detection circuit (5 1 ) comprises: The thoracic transistor _, whose base is connected to the current output of the illuminating diode 〇7, is known to have its collector connected to the base; the other thoracic transistor Q is connected to the aforementioned NPN transistor (4) through the resistor R2. The pole is connected to the fourth pin of the aforementioned control unit (10). The other detection circuit (52) has the same configuration as the aforementioned detection circuit (51) 7 1300993, except that it is connected to the electric product of the <, 6 pin and the light-emitting diode D4:: control unit (1 〇) Whether the second polar body D4, D6_ is damaged between the exit end of the steam turbine is used to detect the working mode of the light-emitting two-circuit; as follows: , 1 = mainly using the control unit (10" alternate mode (31 (32) in an alternate manner ^) (32), the forward circuit and M, _D8, in the light emitting diodes D3, D5 and D7 P gp IV ^ ^ ^, - polar bodies D3, D5 and D7 - annihilation, two redundant LEDs D4, D6 "8, due to the light-emitting diode (10), : Guang system and the light-emitting diode ^ and (10) reverse termination / 4 circuit (5 1) (5 2 ) The transistors (4) Xiao Q9 can be alternately turned on by the light-emitting diode system being alternately lit, and then the signals are sent to the fourth and sixth pins of the control unit (10). Any-light-emitting diode damage', for example, if the light-emitting diode is shame-damaged, the forward circuit (31) still receives the working pulse wave sent by the control unit (1〇) to illuminate the light-emitting diode D3, And D7, but because the light-emitting diode D5 is damaged and can not form a loop, the light-emitting diodes and D7 are not bright, and the transistor (4) on the detection circuit (5) at the same time will not be When the control unit (丄〇) detects that the 4th and 6th pins are unable to receive the signal at the same time, it determines that the LED is damaged, and stops sending the working pulse to the forward circuit (3 1 ) (32) ), so that all of the light-emitting diodes are not lit to notify the user that at least one of the light-emitting diodes has been damaged. In addition, since the human eye has the characteristics of persistence of vision, the light-emitting diodes are not extinguished, although the bodies D3, D5 and D7 and D4, D6 and D8 are alternately illuminated by the human eye. . From the above-mentioned removable port, the control element of the present invention sends the working pulse wave in an alternating manner to control the forward circuit to illuminate the light emitting diode, and alternately turns on the detecting circuit to cause the detecting circuit to alternately send a signal to the control unit. If there is any - light two (four) loss $, the detection circuit will not be able to send a signal to the control unit corresponding to the working pulse, so that the control unit stops sending the working pulse, so all the LEDs will not be illuminated, the user It can be easily detected that at least one of the light-emitting diodes is damaged; and because the light-emitting diode system is alternately illuminated, this does not cause a plurality of light-emitting diodes to be illuminated for a long time and at the same time, so that no heat energy is generated. 'It will effectively slow down the aging and damage of components. n The present invention has been disclosed in the foregoing embodiments, but is not limited to: the contents mentioned in the following examples, and any changes and modifications made without departing from the spirit and scope of the present invention belong to the present invention. The scope of protection of the invention. "Ding, the above description" Compared with the existing control circuit of the existing light-emitting diode device, the invention has a significant effect on the Huaihuai, * Μ人文^ application. The force is in accordance with the invention patent requirements, the table is raised according to law [ BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a circuit diagram of the present invention. [Main component symbol description] (1 0) Control unit (20) Light-emitting diode module 1) (3 2 ) Forward circuit 1300993 (4) 0) Regulated integrated circuit (51) ( 5 2 ) detection circuit
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