TWI308265B - - Google Patents
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- TWI308265B TWI308265B TW94133051A TW94133051A TWI308265B TW I308265 B TWI308265 B TW I308265B TW 94133051 A TW94133051 A TW 94133051A TW 94133051 A TW94133051 A TW 94133051A TW I308265 B TWI308265 B TW I308265B
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1308265 九、發明說明： 【發明所屬之技術領域】 本發明係在提供一種用於電腦主機的雙散熱風扇異常 控制裝置，特指雙風扇組於進行散熱工作時，祇要其中一 個風扇轉速異常或損壞，雙風扇立即停止工作並由顯示器 顯示警告訊號通知使用者。 【先前技術】 按習知由雙風扇組成一組的散熱器被設於電腦主機中 ，用於散熱電路主機板之晶片、中央處理器等零組件之用 途，惟該雙風扇組合散熱器在長期使用下，有如下之缺點 顯現： (1) .其中主機的控制器僅能讀取單——個風扇轉速異常或 損壞時，另一風扇異常或損壞時，使用者不知道誤以 為雙風扇尚處於正常運轉狀態，導致空氣散熱不足， 電路板上的零組件受熱溫而損壞。 (2) .雙風扇運轉時，其至少一個風扇的即時工作速值（如 rpm )的變化，使用者完全不知道，無法掌握雙風扇之 工作狀態。 【發明内容】 本發明之主要目的，即在提供一種用於電腦主機的雙 散熱風扇異常控制裝置，可隨時由顯示器監測到雙風扇的 工作狀態，倘其中祇要有一個風扇工作異常或損壞時，雙 風扇會被立即停止運轉，並從顯示器發出警告字幕，以通 知使用者來修繕處理。 、1308265 如圖一、二、三、四所示，本發明係在提供一種用於 電腦主機的雙散熱風扇異常控制裝置，乃包含： 第一驅動I c 1 0的脈衝波信號輸出端丄丄連接第一線圈 2 0; 第二驅動I C 4 0的脈衝波信號輸出端4丄連接第二線圈 5 0 ;1308265 IX. Description of the Invention: [Technical Field] The present invention provides a dual cooling fan abnormality control device for a computer mainframe, especially when a dual fan group performs heat dissipation work, as long as one of the fan speeds is abnormal or damaged The dual fans immediately stop working and the warning message is displayed by the display to notify the user. [Prior Art] A heat sink composed of a pair of fans is disposed in a computer mainframe for use in components such as a chip and a central processing unit of a heat dissipation circuit board, but the dual fan combination heat sink is in the long term. Under the use, there are the following shortcomings: (1). The controller of the host can only read the single--the fan speed is abnormal or damaged, and the other fan is abnormal or damaged, the user does not know that the double fan is still wrong. In normal operation, the air is not sufficiently cooled, and the components on the board are damaged by the heat. (2) When the dual fan is running, the instantaneous working speed value (such as rpm) of at least one of the fans changes, and the user does not know at all, and cannot grasp the working state of the dual fan. SUMMARY OF THE INVENTION The main object of the present invention is to provide a dual cooling fan abnormality control device for a computer main body, which can monitor the working state of the dual fan at any time by the display, if only one of the fans is abnormal or damaged, The dual fans will be stopped immediately and a warning subtitle will be sent from the display to inform the user to repair. As shown in FIG. 1, 2, 3 and 4, the present invention provides a dual cooling fan abnormality control device for a computer mainframe, comprising: a pulse wave signal output end of the first driving I c 1 0丄丄Connecting the first coil 20; the pulse wave signal output terminal 4 of the second driver IC 40 is connected to the second coil 50;
第一驅動I C 1 0、4 0的電壓信號輸出端1 4、4 3分別連接一電壓準位比較電路6 〇中； 一控制器8 0其控制電壓訊號的輪出/關閉（on/off )的 輸出端8 1分別連接於第一、二驅動〗c丄〇、4 〇的 笔漫訊號輸入端1 6、4 6 ; 第一驅動I c1〇的脈衝波信號輪出端丄丄藉一分路工 1 1連接於電壓準位比較電路6Q，電壓準位比較電路 6 0的訊號輸出端6 2 3連接於控制器8 〇的一輸入端 笔壓準位比較電路6 0針對第一、The voltage signal output terminals 14 and 4 of the first driving ICs 1 0 and 40 are respectively connected to a voltage level comparison circuit 6 ;; a controller 80 controls the voltage signal on/off (on/off). The output terminals 8 1 are respectively connected to the pen diffuse signal input terminals 16 6 and 4 6 of the first and second drives 〖c 丄〇 and 4 ;; the pulse wave signal of the first drive I c1 轮 is borrowed by one point. The circuit 1 is connected to the voltage level comparison circuit 6Q, and the signal output terminal 6 2 3 of the voltage level comparison circuit 60 is connected to an input terminal of the controller 8 笔 the pressure level comparison circuit 60 for the first
〇所輸入㈣…二參考電位訊號3 2、33做分壓處 理，可得第三參考電位訊號3 5 (如圖五所示），第三參 考電位訊號35與第一驅動icl〇輸出端”職 之基準脈衝波訊號3G做電位比較，以決定輪出_古带 平脈衝《訊號361或低錢平波訊號36到控= 8〇中做處理’當電㈣位比較電路60輸出低電料 =號？到控制器80,控制器8〇的—輪出端Η 輪出-控制間關閉(。ff)訊號3 4給第—、二驅動K 6 /1308265 1 0、40命第一、二線圈9 n 固2 〇、5 〇停止工作； 當電壓準位比較電路6 〇輪屮古+ 巧電平脈衝電壓訊號3 6 1到控制器80，控制器80的輪出端8 1輸出控制閘 啟動訊號31給第一、二驅動IC10、40命第一、 二線圈2 0、5 0工作。 二所示，其中電壓準 依據前述之主要特徵，如圖— 位比較電路6 〇包括：输入 input (4)... 2 reference potential signal 3 2, 33 for voltage division processing, can obtain the third reference potential signal 3 5 (as shown in Figure 5), the third reference potential signal 35 and the first drive icl 〇 output" The reference pulse wave signal 3G is used for potential comparison to determine the turn-out _ Gubandping pulse "signal 361 or low-cost flat wave signal 36 to control = 8 做 processing" when the electricity (four) bit comparison circuit 60 outputs low power = number? to controller 80, controller 8 — - wheel Η 轮 wheel out - control room off (. ff) signal 3 4 to the first -, second drive K 6 / 1308265 1 0, 40 life first, second The coil 9 n is solid 2 〇, 5 〇 stops working; when the voltage level comparison circuit 6 〇 屮 + + + level level pulse voltage signal 3 6 1 to the controller 80, the output terminal 8 1 of the controller 80 outputs a control gate The start signal 31 is applied to the first and second driving ICs 10 and 40 to operate the first and second coils 20 and 50. In the second embodiment, the voltage is based on the main features described above, and the bit comparison circuit 6 includes:
-電晶體6 4、至少二個二極體”、“、穩壓二極體 6 6及比較器6 2組成； 電晶體6 4的訊號輸入端連接於第一驅動.工c工〇的訊 唬輸出端1 1 ’電晶體64的輸出端連接於比較器6 2 之正極輪入端6 2 1 ; 二個二極體6 7、6 8及穩壓二極體6 6的共同連接端 6 9連接於比較益6 2的負極輸入端6 2 2 ,比較器6 2之輸出端6 2 3連接於控制器8 〇 ; 一個一極體6 7、6 8的另一連接端分別連接於第—驅 動I Cl〇及苐—驅動I C40的訊號輪出端14、4 3，穩壓二極體6 6另一連接端連接正電源Vcc。 依據岫述之主要特徵，如圖一所示，其中第一線圈2 〇連接第一風扇1〇〇，第二線圈5〇連接第二風扇4〇 〇，第一驅動I C 1 〇用以驅動第一風扇丄◦ 〇轉動，第 二驅動I C 4 0用以驅動第二風扇4 Q 〇轉動。 依據前述之主要特徵，纟中第―線圈2 Q訊號輸出端 2 4設有—感知器7 0與第-驅動IC1〇的訊號輸入端 7 .1308265 1 2連接； '泉圈5 〇的訊號輪出端5 4設有一感知器一 驅動Τ Γ /t。 /、力一 〇的訊號輪入端4 4連接。 8彳又據列述之主要特徵，如圖-、三所示，其中控制器 〇所輪4之基準脈衝波訊號3◦係透過其訊號輸出端8 傳輪入第—、二驅動1 C 1 〇、4 0的訊號輸入端1 5 、4 5。- a transistor 64, at least two diodes, ", a voltage regulator diode 6 and a comparator 6 2; the signal input terminal of the transistor 64 is connected to the first driver. The output end of the output terminal 1 1 'the transistor 64 is connected to the positive terminal of the comparator 6 2 6 2 1 ; the common terminal 6 of the two diodes 6 7 and 6 8 and the voltage regulator diode 6 6 9 is connected to the negative input terminal 6 2 2 of the comparator 6 2 , and the output terminal 6 2 3 of the comparator 6 2 is connected to the controller 8 〇; the other connection ends of the one pole body 6 7 , 6 8 are respectively connected to the first - Drive I Cl 〇 and 苐 - drive the signal wheel terminals 14, 4 of I C40, and the other terminal of the voltage regulator diode 6 is connected to the positive power supply Vcc. According to the main features of the description, as shown in FIG. 1 , the first coil 2 〇 is connected to the first fan 1 〇〇, the second coil 5 〇 is connected to the second fan 4 〇〇, and the first driving IC 1 〇 is used to drive the first A fan 〇 〇 rotates, and the second driving IC 40 is used to drive the second fan 4 Q 〇 to rotate. According to the above main features, the first coil 2 Q signal output terminal 24 of the middle is provided with a sensor 7 and a signal input terminal 71300825 1 2 of the first driving IC1〇; the signal wheel of the spring circle 5 〇 The outlet end 5 4 is provided with a sensor-driver Τ Γ /t. /, the force of the signal wheel 4 4 connection. 8彳The main features listed are as shown in Figures- and 3. In the figure, the reference pulse wave signal 3 of the controller 4 is transmitted through the signal output terminal 8 to the first and second drives 1 C 1 . 〇, 40 signal input terminals 1 5 , 4 5 .
I之主要特徵，其中第一、二線圈2 0、5 〇 的訊號輪屮*山〇〇1_。 j出知2 2、5 2連接於控制器8 〇，第一、二線 圈2 〇、5 〇的即時工作數據訊號可被輸入控制器8 〇做 處理。 又據刎述之主要特徵，如圖一所示，其中控制器8 〇 錢接-顯示器9 〇，可將第—、二驅動i c i 〇、4 ◦ 及第一、二線圈2〇、5〇的工作狀態訊號以字幕顯現於 顯示器9 〇上。 依據前述之主、次要特徵，如圖二、五所示，其中第 二务考電位訊號3 5被輪入於比較器6 2的負極輪入端6 2 2 ； 基準脈衝波§孔號3 〇經電晶體6 4之緩衝放大，以及被電 晶體6 4所串聯的電阻R 2、R 2施以分壓，分壓後的基 準脈衝波訊號3 〇輸入比較器6 2的正極輸入端6 2工； 比較器6 2對正、負極輸入端6 2工、6 2 2的電位做比 較處理，並由輸出端62 3輸出高電平脈衝電壓訊號3 6 1或低電壓平波訊號3 6至控制器8 〇。 【實施方式】 : 風扇1 ◦ 0、4 0 0的正常啟動狀態： 如圖一、二辦—The main feature of I, the signal rim of the first and second coils 2 0, 5 屮 * Hawthorn 1_. j know 2 2, 5 2 is connected to the controller 8 〇, the first and second coils 2 〇, 5 〇 of the real-time work data signal can be processed by the input controller 8 〇. According to the main features of the description, as shown in Figure 1, the controller 8 is connected to the display 9 〇, and the first and second driving ici 〇, 4 ◦ and the first and second coils 2 〇, 5 〇 The work status signal appears on the display 9 in subtitles. According to the foregoing main and secondary features, as shown in FIG. 2 and FIG. 5, wherein the second test potential signal 35 is rotated into the negative wheel terminal 6 2 2 of the comparator 6 2; the reference pulse wave § hole number 3 The buffer is amplified by the buffer of the transistor 64, and the voltage is divided by the resistors R 2 and R 2 connected in series by the transistor 64. The divided reference pulse signal 3 〇 is input to the positive input terminal 6 of the comparator 6 2 . 2; Comparator 6 2 compares the potentials of the positive and negative input terminals 6 2 and 6 2 2, and outputs a high-level pulse voltage signal 3 6 1 or a low-voltage flat wave signal 3 6 from the output terminal 62 3 To controller 8 〇. [Embodiment]: The normal starting state of the fan 1 ◦ 0, 4 0 0: As shown in Figure 1 and Figure 2 -
,α —不，係为別為本發明的電路方塊圖，JL 8 0係被建構在電腦主機板上，其至少包括 带=私式集的遴輯1C電路及中央處理器等習知 〇':元件，然而’程式集中有被寫入第-、二風扇丄 4 〇 0其轉速之基準脈衝波訊號3 〇資料。 二制閘啟動訊號3 i是經由控制器8 〇的一輸出端 =分別輪出到第—驅動！C1Q及第二驅動工q <，弗一、二驅動1 c 1 0、4 0得以正常運作 X定的^^基準脈衝波訊號3 〇資料經由控制哭 8 ◦的-輸出端8 5分別輪出到第一、二驅μ c;° 〇、中供處理，並由第-驅動I C 1 〇的輸出端 々 刀路1 1 1輸出定值的基準脈衝波訊號3 〇給 第線圈20及電屬準位比較電路6〇中，其中基準 脈衝波訊號3 ◦同時用以驅動第-線圈2 0之動作， 苐—線圈20所產生之電磁效應以驅動第一風扇“ 〇以設定值的轉速旋轉，另外第二驅動I C 4 〇也經 由輪出端4 1輸出—基準脈衝波訊號3 〇給第二線圈 50，以驅動第二線圈5〇動作，第二線圈5〇所產 生之電磁效應以驅動苐二風扇4 0 0以設定值的轉速 旋轉，因此建構在電腦主機電路板上的第一、二風扇 1 0 0、4 0 0得以設定的正常轉速針對電腦主機中 的零組件進行空氣散熱。 .1308265 第一、二線圈2 0、5 0於動作的即時工作狀態時所 產生的脈衝波訊號分別被感知器7 〇、7 5彳貞測到， 並將3玄§fl 5虎處理並轉換為第一、二|區動I c 1 Q、4 0可處理的訊號以供饋送入第一、二驅動1 C i 〇、 4 0中供處理。 g苐一、一風扇1 〇 〇、4 〇 〇於正常工作的設定範 圍值（rpm)旋轉時，第一驅動；[c丄〇由一輸出端工 4輸出第一參考電位訊號3 2到電壓準位比較電路6 〇中，第二驅動1 C4〇由一輪出端43輪出第二參 考電位§孔號3 3到電壓準位比較電路6〇中（如圖三 、五所不）’第一驅動1 C 1 0的輸出端1 1所輸出的 基準脈衝波訊號3 〇經由分路1 1 1輸入電壓準位比 較電路6 0中；如圖二、五所示，其中第一、二來考 電位訊號3 2、3 3均為Lq的錢訊號，其電壓訊號 無法導通於二極體6 7、6 8，換言之二極體6 7、 6 8呈關閉（ofi)狀態，因此比較器6 2之負極輪入 端6 2 2被輸入—第三參考電位訊號3 5，該第三參 考電位訊號3 5係由穩壓二極體6 6之電位與電源 Vcc電位之差值所形成，假設電源I為1 2 v，穩壓二 極體6 6之電位為9 V，則第三參考電位訊號3 5為3 V。另外第一驅動1 c 1 〇的輸出端1 1所輸出的基準 脈衝波訊號3 〇經由電晶體6 4之緩衝放大以及經二 電阻R1、R2之分壓後的基準脈衝波訊號30乃被 幸刖入到比較器6 2之正極輸入端6 2 1中，比較器6 10 .1308265 2之正、 b z Z分別被輸入第 貞極输入端6 2 參考電位sil號3 5及基準脈衝波訊號3 〇的電位（如 圖五所示），被比較器6 2做電壓準位的比較處理，比 較輸出一高電平脈衝電壓訊號3 6丄給控制器8 〇做 判讀、處理，控制器8 0之判讀該脈衝波訊號為高電 平脈衝電壓訊號3 6 1，控制器8 0仍然連續提供控 制閑啟動訊號3 1給第—、二驅動工c丄。、4。運, α — No, is a circuit block diagram of the present invention. The JL 8 0 system is constructed on a computer motherboard, and at least includes a conventional 1C circuit with a = private set and a conventional processor such as a central processing unit. : Component, however, the program has a reference pulse wave signal 3 被 that is written to the first and second fans 丄 4 〇 0. The two brake start signal 3 i is an output via the controller 8 = = respectively to the first drive! C1Q and the second driver q <, the first and second drivers 1 c 1 0, 40 are able to operate normally X ^ ^ reference pulse wave signal 3 〇 data through the control cry 8 ◦ - output 8 5 respectively Output to the first and second drive μ c; ° 〇, for processing, and output the reference pulse signal 3 〇 from the output of the first drive IC 1 々 to the first coil 20 and the electric In the level comparison circuit 6〇, wherein the reference pulse wave signal 3 ◦ is simultaneously used to drive the action of the first coil 20, the electromagnetic effect generated by the coil 20 is driven to drive the first fan “〇 to rotate at a set value. In addition, the second driving IC 4 输出 also outputs a reference pulse wave signal 3 〇 to the second coil 50 via the wheel terminal 4 1 to drive the second coil 5 〇, and the electromagnetic effect generated by the second coil 5 以 is driven to drive 苐The second fan 400 rotates at the set value, so the normal speed set by the first and second fans 100, 400 constructed on the computer main board is used to dissipate air for the components in the computer mainframe. 1308265 First and second coils 2 0, 5 0 in the instant working state of the action The generated pulse wave signals are respectively detected by the sensor 7 〇, 75 5 ,, and the 3 § ftfl 5 tiger is processed and converted into the first, second | zone I c 1 Q, 40 0 processable signals to For feeding into the first and second drives 1 C i 〇, 40 for processing. g苐1, a fan 1 〇〇, 4 〇〇 when the normal operating range value (rpm) is rotated, the first drive; c丄〇 is outputted by an output terminal 4 to the first reference potential signal 3 2 to the voltage level comparison circuit 6 〇, and the second drive 1 C4 轮 is rotated by a round of the output 43 to the second reference potential § hole number 3 3 to The voltage level comparison circuit 6〇 (as shown in FIGS. 3 and 5) 'the first pulse 1 C 1 0 output terminal 1 1 outputs the reference pulse wave signal 3 输入 via the shunt 1 1 1 input voltage level comparison circuit 6 0; as shown in Figure 2 and Figure 5, the first and second test potential signals 3 2, 3 3 are Lq money signals, the voltage signal can not be turned on the diode 6 7, 6 8, in other words The pole bodies 6 7 and 6 8 are in an off state (ofi), so the negative wheel terminal 6 2 2 of the comparator 62 is input - a third reference potential signal 3 5 , the third reference battery The signal 3 5 is formed by the difference between the potential of the voltage regulator diode 6 and the power supply Vcc potential. Assuming that the power source I is 1 2 v and the potential of the voltage regulator diode 6 is 9 V, the third reference potential The signal 3 5 is 3 V. In addition, the reference pulse wave signal 3 outputted by the output terminal 1 1 of the first drive 1 c 1 〇 is amplified by the buffer of the transistor 64 and the reference after the voltage division by the two resistors R1 and R2 The pulse wave signal 30 is fortunately inserted into the positive input terminal 6 2 1 of the comparator 62, and the positive and bz Z of the comparator 6 10 .1308265 2 are respectively input to the dipole input terminal 6 2 reference potential sil number 3 5 and the potential of the reference pulse wave signal 3 ( (as shown in Figure 5), the comparator 6 2 is used to compare the voltage level, and the comparison output a high-level pulse voltage signal 3 6 丄 to the controller 8 〇 to interpret And processing, the controller 80 determines that the pulse wave signal is a high level pulse voltage signal 3 6 1, and the controller 80 continues to provide the control idle start signal 3 1 to the first and second driving workers. , 4. Transport
作’第風扇100、40 〇仍然處於正常運轉 ^態；換言之如圖二所示，當比較器6 2的正極輸入 立而6 2 1的電位比負極輸入端6 2 2高時，比較器6 2的輸出知6 2 3輸出一高電平脈衝電壓訊號3 6工 (Pulse Sensor)給控制器8 〇做判讀、處理，於是 控制益8 0依售輸出控制間啟動訊號3 1给第-、二 驅動1C10、40,使第—、二驅動IC1〇、^ 0處於正常的運作狀態。 ⑵·第-、二風扇1〇〇、4()◦轉速異常狀態： =二二、四所示，當第-風扇10◦或第二風扇 4 〇〇或兩者風扇之轉逑被以為太 —線圈20或第-蟥圃乐 5Q即時卫作所輸出的脈衝波 w滅;經由感知器7 〇戎s Α οσ 览 U次另一感知器75偵測並轉換 弟一、二驅動I C 1 〇、 第一、二驅⑽ 40可處理的訊號，回授給 二夫去+ 4 0處理後，分別將第一、 號32、33輸入給電壓準位比較電路 …里，弟-驅動IC10的輪出端14或第 11 1308265As the 'fans 100, 40 〇 are still in the normal state ^ state; in other words, as shown in Figure 2, when the positive input of the comparator 6 2 is vertical and the potential of the 6 2 1 is higher than the negative input 6 2 2, the comparator 6 2 output knows 6 2 3 output a high-level pulse voltage signal 3 6 (Pulse Sensor) to the controller 8 判 to do interpretation, processing, then control benefits 80 according to the sale of output control between the start signal 3 1 to the -, The second drive 1C10, 40, so that the first and second drive IC1 〇, ^ 0 are in normal operation. (2) · The first and second fans 1〇〇, 4 () ◦ speed abnormal state: = 22, 4, when the first fan 10 ◦ or the second fan 4 〇〇 or both fans are considered too - The pulse wave w of the coil 20 or the first-song 5Q instant guard is off; via the sensor 7 〇戎s Α οσ, the other sensor 75 detects and converts the first and second driver ICs 1 , the first and second drive (10) 40 can process the signal, after the feedback to the second husband to + 4 0 processing, the first, the number 32, 33 are respectively input to the voltage level comparison circuit ..., the brother - drive IC10 wheel Outer 14 or 11 1308265
二驅動I C 4 0之輪出被/1。、 彻出知4 3分別輸出已異常的第一參考電位訊號3 2或第二參考電位訊旧3，此時二 個二極體 6 7、6 S 加· A-, D ΰ衹要其中—個二極體6 7或另— 個二極體6 8接收到第一參考電位訊號3 2或第二參考電位訊號3 3的高準位Hi之電壓訊號時，立即導通 ’因此比U 6 2之負極輪人端6 2 2被輸入一第三 參考電位織35，假設穩壓二域6(3、二極體6 7、68所構成迴路的電源^為12¥，則此時穩壓 二極體6 6之電位為0V，故第三參考電位訊號3 5為 1 2 ”皮輸入負極輸入端6 2 2，比較器6 2之正極 輸入端6 2 1被輸入基準脈衝波訊號3 0，於是負極 輸入知6 2 2的第二|考電位訊號3 5與正極輸入端 6 2 1的基準脈衝波訊號3 〇的電位被比較器6。故 準位比較’比較器62的負極輸人端6 2 2的電位值 高於正極輸入端621的電位，比較器62的輪出端 輸出低電壓平波訊號3 6 (Lock Sensor)給控 制点8 〇 ’控制器8 0接收到比較器6 2所輪出之低 电壓平波说说3 6後，乃輸出控制閘關閉訊號3 4給 弟一、一驅動I C 1 〇、4 1〇、4 〇停止動作，第一 令第一、二驅動ί C 馬區動I C 1 〇、4 〇 不去驅動第_、二線圈2Q、5q，使所— 一風扇1 0 〇、4 〇 〇均呈停置狀態，縱然 其:的第—風扇100或其中的第二風扇“ 、一風扇 1 0 〇、4 〇 〇 ◦損壞或異常，但二個第 12 .1308265 同時是被停置不動。 (3\第一、二風扇1〇〇、4〇0損壞不動作： 弟或苐一風扇1〇〇、 B士，1回 _ 00或兩者風扇損壞停止 寸如圖一所示，感知器7Γ)#:κ — β ,〇或另—感知器7 R、力古 偵測到第一線圈2 0或第_ '又有 此η 泉圈50之脈衝訊號，因 二。⑴之狀態’第—驅動ici 動沒有收到感知器70或另—感知器75之 讯5虎，第一驅動I c丄〇戋第—$ φThe second drive I C 4 0 is out of /1. And the output of the first reference potential signal 3 2 or the second reference potential signal 3 is respectively outputted, and the two diodes 6 7 , 6 S add · A-, D ΰ as long as the - When the diode 6 7 or the other diode 6 8 receives the voltage signal of the high reference Hi of the first reference potential signal 3 2 or the second reference potential signal 3 3 , it immediately turns on 'so the ratio U 6 2 The negative terminal of the negative terminal 6 2 2 is input with a third reference potential woven 35, assuming that the voltage of the second phase 6 of the voltage regulator 2 (3, the diode 6 7 , 68 is 12 ¥, then the voltage regulator 2 The potential of the pole body 6 6 is 0V, so the third reference potential signal 3 5 is 1 2 ” input to the negative input terminal 6 2 2 , and the positive input terminal 6 2 1 of the comparator 6 2 is input with the reference pulse wave signal 3 0, Then, the potential of the second pulse source signal 3 5 and the reference pulse wave signal 3 〇 of the positive input terminal 6 2 1 is compared with the comparator 6. Therefore, the comparator is compared with the negative input terminal of the comparator 62. The potential value of 6 2 2 is higher than the potential of the positive input terminal 621, and the output terminal of the comparator 62 outputs a low voltage flat wave signal 3 6 (Lock Sensor) to the control point 8 〇 'controller 80 0 After the low voltage flat wave that is turned on by the comparator 6 2 is said to be 3 6 , the output control gate is turned off the signal 3 4 to the brother one, one driving IC 1 〇, 4 1 〇, 4 〇 stop action, the first order One or two drive ί C horse area moving IC 1 〇, 4 〇 do not drive the _, two coils 2Q, 5q, so that a fan 1 0 〇, 4 〇〇 are in a state of suspension, even its: - The fan 100 or the second fan therein, a fan 1 0 〇, 4 〇〇◦ is damaged or abnormal, but the two 12.1302625 are simultaneously parked. (3\First, second fan 1〇〇 4〇0 damage does not work: Brother or 苐一fan1〇〇, B士, 1回_00 or both fans damage stop inch as shown in Figure 1, perceptron 7Γ)#:κ — β , 〇 or another - The sensor 7 R, Ligu detected the first coil 2 0 or the _ 'and the η spring 50 pulse signal, because the second (1) state 'the first drive ici does not receive the sensor 70 or Another - Sensor 5, 5 Tiger, the first driver I c丄〇戋 - $ φ
的楚办土+ % C40所輸出 的弗一參考電位訊號3 2 x弟一爹考电位訊號3 3均 為命準位（Hl)的電壓訊號，同理地二極體6 7或另 一顆二極體“立即導通，第三參考電位訊號35輸 =到比較器6 2之負極輸入端6 2 2，被電晶體" 缓衝放大及電阻R1、R2分壓後的基準脈衝波訊號 3 〇被輸入到正極輸入端6 2 1中，如前項所述，負 極輸入ir而6 2 2的電位高於正極輸入端6 2工的電位 比車乂為6 2的輸出端6 2 3輸出低電壓平波訊號3 6 (L〇ckSensor)給控制器8〇，控制器8〇輸出控 制閉關閉§扎ϊ虎3 4給第—、二驅動j c丄〇、4 〇停 止工作，第-、二風扇丄〇〇、4〇〇均停止工作。 (4).如圖所示’第一、二線圈2 〇、5 〇產生電磁效應 的工作數據訊號會分別透過二輪出端2 2、5 2輪入 控制益8 0中’再由控制器8 〇將處理後的訊號顯示 於顯示器9 0中，該訊號得以被轉換成第一、二風扇 1 〇 0、4 0 0的轉速（rpm)來顯現，因此使用者可 13 .1308265 隨時由顯示器9〇來監控第一 〇的工作車*竦· 4义痛+廿—風屬1 0 0、4 0 1 F早τ迷，如刖所述盆中篦— 〇運作昱堂七π L /、 ~、二線圈20、5 乍^或停止工作時，控制器 二二驅動IC1〇、40的同時，並二=閉弟 字幕訊號在顯示器9 〇上s頁 、砌 含告之 ，八發出（…―、 或輪出警告聲的訊號由 知出（圖上未不），此時第—、_ 0 ◦其轉速訊號（rpm)在顯示 羽0 〇、4 :驅動1 c 1 0、4 〇被關閉的同 置狀態，於第一…一.…90上的顯現是呈停 n* u 1 υ攸關闭的同 守車寸速訊號（rpm)呈停置，因此辱 m主寺〜从门± G‘肩不态Θ 0除了顯示 &子的同日$ ’亦可從顯示器9 〇上，視及第一、 r^1QQ、4GQ的最後出現的轉逮訊號，可判 疋出究竟是那一顆風扇1◦〇、400異常或損壞。 綜上’本案在使用雙風扇組， 用於散熱電腦零組件時 ，.、工作狀態可隨時被監控，同時 又风扇其中祇要一風扇 “即可令雙風扇同時被斷路，並可由顯示器查覺到那_ 個風扇異常或損壞’同時發出警告字幕或聲音來警示給使 用者’其特徵所達成之目的，業已卓越的達成，申請 依法提呈申請。 14 1308265 【簡單圖式說明】 第-圖為本發明之電路方塊圖。 之方塊流程圖 之方塊流程圖 :二圖為本發明電壓準位比較電路圖。 f三圖為本發明電路於雙風扇正常動竹 相圖為本發”路於雙風扇異常動作 第五圖為本發明電路再—方塊流程圖。The Chu do earth + % C40 output of the Fu-reference potential signal 3 2 x Diyi one test potential signal 3 3 is the voltage signal of the life level (Hl), the same diode 6 7 or another The diode is "on immediately turned on, the third reference potential signal 35 is output = the negative input terminal 6 2 2 of the comparator 6 2, and the reference pulse wave signal 3 is divided by the transistor " buffer amplification and the resistors R1 and R2 are divided. 〇 is input to the positive input terminal 6 2 1 , as described in the preceding paragraph, the negative input ir and the potential of 6 2 2 is higher than the positive input terminal 6 2 the potential is higher than the yoke 6 2 output 6 2 3 output is low The voltage flat wave signal 3 6 (L〇ckSensor) is given to the controller 8〇, the controller 8〇 output control is closed, § 扎ϊ虎3 4 is given to the first, the second drive jc丄〇, 4 〇 stop working, the first and second The fan 〇〇 and 4 〇〇 are all stopped. (4). As shown in the figure, the working data signals of the first and second coils 2 〇 and 5 〇 will have electromagnetic effects through the two rounds of the ends 2 2, 5 2 rounds respectively. In the control benefit 80, the controller 8 then displays the processed signal in the display 90, and the signal is converted into the first and second fans 1 〇 0, The speed of 405 (rpm) is displayed, so the user can monitor 13.1308265 at any time by the monitor 9〇 to monitor the first 〇 work car*竦·4义痛+廿—Wind 1 0 0, 4 0 1 F Early τ fans, such as the 盆 刖 刖 刖 〇 〇 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 七 控制器 控制器 控制器 控制器 控制器 控制器 控制器 控制器 控制器The closed caption signal is displayed on the display page 9 on the s page, and the block is issued. The signal from the (...―, or the warning sound is issued (not shown), at this time, the first, _ 0 ◦ its speed The signal (rpm) is displayed in the same state in which the feathers 0 〇, 4: drive 1 c 1 0, 4 〇 are turned off, and the appearance on the first ... one ... 90 is stopped n* u 1 υ攸 closed With the car speed signal (rpm) is parked, so insult m main temple ~ from the door ± G' shoulders Θ 0 in addition to the display & the same day $ 'can also be from the display 9 ,, see first The last occurrence of the r^1QQ, 4GQ, can determine whether the fan is abnormal or damaged. In summary, the case uses a dual fan set for cooling computer components. , The working state can be monitored at any time, and at the same time, only one fan of the fan can make the dual fan be disconnected at the same time, and the display can detect that the fan is abnormal or damaged, and simultaneously issue a warning subtitle or sound to alert the user. 'The purpose of its characteristics has been achieved, and the application has been made in accordance with the law. 14 1308265 [Simple Schematic Description] The first figure is a block diagram of the circuit of the present invention. The voltage level comparison circuit diagram of the present invention. f three diagrams are the circuit of the invention in the dual fan normal movement phase diagram of the present invention "roads in the double fan abnormal action" fifth figure is the circuit re-block flow chart of the present invention.
【主要元件符號說明】 第一驅動I c —__1 〇 第一風扇-------1〇〇 輪出端 -— 11、41、14、43、 22、52、24、54、 8 1、8 5、6 2 3 分路^ —___"111 輸入端 — 12、44：、15、45、 16、46、82、621、622 弟一線圈—------~~_ 2〇 基準脈衝波訊號---3〇 控制閘啟動訊號---31 第—參考電位訊號--32 第二參考電位訊號一一3 3 控制閘關閉訊號 34 第三參考電位訊號--35 低電壓平波訊號---3 6 15 '1308265 高電平脈衝電壓訊號一3 6 1 第二驅動I C-----4 0 第二風扇------4 0〇 第二線圈-------5 0 電壓準位比較電路--60 比較Is-------6 2 電晶體------一 6 4 - 穩壓二極體-----6 6 二極體-------6 7"、6 8 連接端-------6 9 感知器-------7〇、7 5 控制器-------8 0 顯不器 9 0 電阻--------R 1、R 2 16[Description of main component symbols] First drive I c —__1 〇First fan -------1 〇〇 wheel end - - 11, 41, 14, 43, 22, 52, 24, 54, 8 1 , 8 5, 6 2 3 Branch ^____"111 Input - 12, 44:, 15, 45, 16, 46, 82, 621, 622 Brother a coil -------~~_ 2〇 Reference pulse wave signal---3〇 control gate start signal---31 first-reference potential signal--32 second reference potential signal one one 3 3 control gate off signal 34 third reference potential signal--35 low voltage level Wave Signal---3 6 15 '1308265 High-level pulse voltage signal 1 3 6 1 Second drive I C-----4 0 Second fan ------4 0〇Second coil--- ----5 0 Voltage Level Comparison Circuit--60 Comparison Is-------6 2 Transistor ------1 6 4 - Regulated Diode-----6 6 II Polar body -------6 7", 6 8 connection -------6 9 sensor -------7 〇, 7 5 controller -------8 0 display 9 0 resistance --- R 1 , R 2 16
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI468099B (en) * | 2010-05-18 | 2015-01-01 | A cooling fan system with redundancy | |
| TWI482422B (en) * | 2012-11-05 | 2015-04-21 | Inventec Corp | Fan control system and fan control method |
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| TWI398767B (en) * | 2007-06-07 | 2013-06-11 | Delta Electronics Inc | Electronic system and alarm device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI468099B (en) * | 2010-05-18 | 2015-01-01 | A cooling fan system with redundancy | |
| TWI482422B (en) * | 2012-11-05 | 2015-04-21 | Inventec Corp | Fan control system and fan control method |
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