201215902 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種測試系統，尤π ^ x ^ y Λ^曰—種個人電腦中之風扇 測試系統。 【先前技術】 [0002] 使用冷卻風扇散熱是電子產品中常用之散熱方式 ，現今 市面上廣泛採用之爾（pulse width modulation，脈 ❹ 衝寬度調變）風扇是根據發熱元件之溫度利用風扇速度控 制器輸出之PWM訊號來驅動風愚。當發熱元件温度升高時 ，風扇轉速亦隨之提高，使該發熱元件快速冷卻。當發 熱元件溫度降低時，風扇轉_亦隨之亦降低。當發熱元 件之溫度降低至預設之閾值溫_度以下時，風扇停止轉動 。PWM風扇於使用前需要對其電氣性能進行嚴格之測試， 如轉速、額定電壓、額定電流。習知之測試裝置一般是 利用專用之風扇測試設備對PWM風扇之各項參數進行測試 ’並記錄各項測試資料’然Η測*專素之切換需要人工 控制’測試成本高，且於#冬之:情釔下，測試設備僅能 暫停使用，測試設備資源之。 【發明内容】 [0003] 鑒於以上内容’有必要提供一種自動對電腦風扇進行測 試之風扇測試系統。 [0004] —種風扇測試系統，包括一用於測試一風扇之控制設備 及一電性連接該控制設備與風扇之測試控制裝置，該測 試控制裝置包括一微控制器、一開關模組及一轉換模組 ’該開關模組控制微控制器發出脈衝控制訊號給該風扇 099135033 表單編號A0101 第3頁/共15頁 0992061159-0 201215902 ，該風扇根據接收到之脈衝控制訊號調整其轉速，並將 其轉速訊號發送給該微控制器，該微控制器讀取風扇於 不同轉速下之轉動電壓與轉動電流，並將風扇轉速、轉 動電麈與轉動電流經由該轉換模組發送給控制設備。 [0005] [0006] 099135033 與習知技術相比，上述風扇測試系統藉由該測試控制裝 置對風扇進行自動測試，並於測試結束時將測試結果發 送給該控制設備，該微控制器可對待測風扇進行自動測 試，無需人工作業’節省人力成本。 【實施方式】 請參閱圖1 ’本發明風扇測試系統較佳實施方式包括一測 試控制裝置、一控制設備及一風扇300。該測試 控制裝置1〇〇包括一微控制器10、一開湖模組20、一指示 模組30、一提示模組40、一供電模組50及一轉換模組60 。該開關模組20控制微控制器10發出脈衝控制訊號給該 風扇300。該風扇300根據接收到之脈衝控制訊號調整其 轉速，並將其轉速訊號發送舞該微拽制器10。該微控制 c- 器10讀取風扇300於不同轉速IF之轉動電壓與轉動電流， 並將風扇300之轉速、轉動電壓與轉動電流經由該轉換模 組60發送給控制設備200。該控制設備200於風扇300測 試正常時發出一測試完成訊號給該微控制器10。該微控 牵1J器1 0於接收到測試完成訊號後發出一指示訊號給該指 示模組30。該指示模組30於接收到測試完成訊號後發光 指示該風扇300正常。 請參閱圖2，該微控制器10包括模擬輸入引腳ΡΑ0、PA1 及8位雙向I/O (輸入/輸出）引腳ΡΒ0至PB7、復位引腳 表單蝙號A0101 第4頁/共15頁 0992061159-0 [0007] 201215902 RESET '振盪訊號輸入引腳XI、振盪訊號輸出引腳Χ2、 電源正極引腳VCC、電源接地引腳GND。其中模擬輸入端 ΡΑ0、ΡΑ1分別作為電壓訊號採集端與電流訊號採集端， I/O埠ΡΒΟ、ΡΒ1分別作為脈衝控制訊號輸出端與轉速訊 號輸入端，I/O埠ΡΒ2、ΡΒ3分別作為數位訊號接收端與 數位訊號傳送端，I/O埠ΡΒ4、ΡΒ5分別作為第一脈衝訊 號控制端與第二脈衝訊號控制端，I/O埠ΡΒ6、ΡΒ7分別 作為提示訊號輸出端與指示訊號輸出端。 q [⑻08] 該指示模組30包括一發光二極體D1，該提;示模組40包括 一蜂鳴器LSI。該蜂鳴器LSI與發光二極體D1之正極分別 電性連接提示m號輸出端PB6為指示訊號輸出端PB7。該 /¾ 严： K1 蜂鳴器LSI與發光二極體D1孓負，極電性連接電源接地引腳 GND »該控制設備200於風扇300轉速過快或過慢時發出 一轉速異常訊號給該微控制器10。該微控制器10於接收 到風扇轉速異常訊號後發出一提3示訊號給該提示模組40 ，該提示模組40於接收到提示訊號後發聲提示。 〇 [0009] 該風扇300包括一應衝控制訊號輸入端PC0、_轉速訊號 輸出端PC1、一電源端PC2及一接地端PC3。該脈衝控制 訊號輸出端ΡΒ0電性連接脈衝控制訊號輸入端PC0，用以 輸出該脈衝控制訊號給風扇300。該轉速訊號輸出端pci 電性連接轉速訊號輸入端PB1，用以輸出該轉速訊號給微 控制器10。該電源端PC2經由一可變電阻R1接地，該電源 端PC2接收一+ 12V直流電壓。該電壓訊號採集端pA〇電性 連接可變電阻R1之調節端。該接地端PC3電性連接電流訊 號採集端PA1 ’該接地端PC3經由一第一電阻R2接地，該 099135033 表單編號A0101 第5頁/共15頁 0992061159-0 201215902 接地端PC3還順次經由一第二電阻R3與一撥動開關S1接地 0 [0010] [0011] 099135033 該開關模組2 0包括一第一按鈕開關S2、一第二按鈕開關 S3及一第三按鈕開關S4。該復位引腳RESET、第一與第 二脈衝訊號控制端PB4、PB5分別經由第一、第二及第三 按鈕開關接地S2至S4接地。當按壓該第一按鈕開關S2時 ’該復位引腳RESET接地用以復位微控制器1〇 ;當按壓該 第二按鈕S3開關時’該第一脈衝訊號控制端pB4接地用以 控制微控制器10發出連續之脈衝控制訊號；當按壓該第 三按鈕開關S4時，該第二脈衝訊號控制端PB5接地用以控 制微控制器1 0發出間斷之脈衝控制訊號。該振盪訊號輸 入引腳XI與振盪訊號輸出引聊X2經由一頻率為16MHZ之 晶振J1接地，用以於脈衝控制訊號輸出端p別產生一頻率 ：.. ' 為24MHZ之脈衝控制訊號。 晴參閱圖3，該供電模組5〇包括，穩壓器…與電容〇1至 C4。该穩壓器U1包括一輪入端、一舉地端及一輸出端。 該穩壓器υι之輸入端分別經由康疼電容C1、[2連接接地 端。該穩壓器υι之輸出端分別經由濾波電容C3、C4連接 接地端。該穩壓HU1之輸人端電性連接—電源適配器（ 圖未示），該穩壓器υι之輸入端輸出一+ 12V之直流電壓 為風扇30G供電’ _壓細之輸出端輸出— + 5V之直流 電壓分別為微控制器10及轉換模組60供電。於本發明較 佳實施方式中，該電源適配器將+ 22〇v之市電電壓轉換成 + 9V之直流電壓輸出。 月繼續參閱圖3 ’該轉換模組6G包括一電平轉換晶片旧及 0992061159-0 表單編貌A0101 第6頁/共15頁 [0012] 201215902 電今c5至C9。於本發明電源供應器測試裝置較佳實施方 式中，"亥電平轉換晶片ϋ2為美信公司專門為電腦之Rs_ 232軚準串列埠設計之介面電路MAX232晶片。該電平轉 換晶片ϋ2包括正負電荷引腳C1+、C卜、V+、V_、C2+、 C2 ' 資料轉換引腳T1 IN、T1 0UT、R1 ΙΝ、ιπ ουτ 、電裉正極引腳VCC、電源接地引腳GND。該電平轉換晶 片ϋ2之正負電荷引腳cl+、C2 +分別經由電容C5、C6連接 正負電荷引腳Π-、C2-。該電平轉換晶片U2之正負電荷 Ο + V分別經由電容C7、C9連接該+ 5V直流電壓與 地。該正負電荷引腳C1+、c卜、v+、v_、C2+、C2_與 Ο 電容C5、C6、C7、C9構成電荷泵電路，該電菏泵電路產 生+ 12V與-12V兩個電源，該正負電荷引腳v+、v_提供給 RS_232串列埠電平之需要。該電源正極引:腳VCC連接該 + 5V直流電壓，該電源接地引腳gnd接地。該電源正極引 腳VCC還經由電容C8接地。該資料轉換引腳T1 in作為電 平訊號接收端接收來自微控制器10之1/0#面PB3之轉速 訊號、轉動電壓訊號與轉動電流訊號，該資料轉換引腳 T1 OUT作為電平m號傳送端將經電平轉換晶片U2轉換後 之轉速訊號、轉動電壓訊號與轉動電流訊號發送給控制 設備200。該資料轉換引腳R1 IN作為電平訊號接收端接 收來自控制設備200之測試完成訊號，該資料轉換引腳R1 OUT作為電平訊號傳送端將經電平轉換晶片U2轉換後之測 試完成訊號發送給微控制器1〇之I/O埠PB2，從而控制該 微控制器10發出指示訊號給該指示模組30。 099135033 測試時，按照圖1所示將待測風扇300接入本發明風扇測 表單煸號AQ1G1 第7頁/共15頁 0992061159-0 [0013] 201215902 6式系統，知:壓第一或第二按钮開關S 3、S 4對該微控制芎 10於I/O埠ΡΒ0發出之脈衝控制訊號進行控制。該風扇 300之脈衝控制訊號輸入端pc〇接收該脈衝控制訊號，該 風扇300根據接收到之脈衝控制訊號調整其轉速。該風扇 300之轉速訊號輸出端PC1將其轉速訊號發送給該微控制 器10。該微控制器10之電壓訊號採集端PA〇經由可變電阻 R1讀取風扇300於不同轉速下之轉動電壓，該微控制器1〇 之電流訊號採集端PA1經由電阻!^2、”讀取風扇3〇〇於不 同轉速下之轉動電流。該微控制器1〇將風扇3〇〇之轉速、 轉動電壓與轉動電流經由讓轉換模粗6〇發送給控制設備 200。該控制設備200内儲存有正常狀態下風扇3〇〇於不 同轉動電壓與轉動電流下對應之轉速。該控制設備2〇〇根 據該正常狀態下之轉速判斷該風扇3〇〇之轉速、轉動電壓 與轉動電流是否正常，並根據該判斷結果藉由該轉換模 組60控制難制||1()發㈣说完成訊贱提示訊號。 [0014] [0015} 综上所述’本發明4已符輕明專利要求，妥依法提出 專利申明准’以上所述者僅為本發明之較佳實施方式 ’舉凡熟悉本㈣技藝之人士，纽本發日狀精神所作 之等效修飾或變化，皆應涵蓋於以下之中請專利範圍内 【圖式簡單說明】 圖1係本發明風扇測試系統之組成框圖，該風扇測試系統 包括-風扇、-測試控制襄置及—控制設備。 圖2係圖1中測試控制裝置之微控制器、開關模組、指示 模組與提示模組之電路圖。 099135033 表單編號A0101 第8頁/共15頁 0992061159-0 [0016] 201215902 [0017] 圖3係圖1中測試控制裝置之供電模組與轉換模組之電路 圖。 【主要元件符號說明】 [0018] 微控制器：10 [0019] 開關模組：20 [0020] 指示模組：3 0 [0021] 提示模組：40 [0022] 供電模組：50 [0023] 轉換模組：60 ' [0024] 測試控制裝置：100 [0025] 控制設備：200 [0026] 風扇：300 [0027] 穩壓器：U1 Q [0028] 電平轉換晶片：U2 [0029] 發光二極體：D1 [0030] 蜂鳴器：LSI [0031] 晶振.J1 [0032] 撥動開關：S1 [0033] 第一按鈕開關：S2 [0034] 第二按紐開關：S3 099135033 表單編號A0101 第9頁/共15頁 0992061159-0 201215902 S4 [0035] 第三按鈕開關： [0036] 電容：C1至C9 [0037] 可變電阻：R1 [0038] 第一電阻：R2 [0039] 第二電阻：R 3 099135033 表單編號A0101 第10頁/共15頁 0992061159-0201215902 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a test system, particularly a fan test system in a personal computer. [Prior Art] [0002] Using a cooling fan to dissipate heat is a commonly used heat dissipation method in electronic products. The fan width modulation (pulse width modulation) fan widely used in the market is controlled by the fan speed according to the temperature of the heating element. The PWM signal output from the device drives the wind. When the temperature of the heating element rises, the fan speed also increases, causing the heating element to cool rapidly. When the temperature of the heating element is lowered, the fan rotation _ is also reduced. When the temperature of the heating element drops below the preset threshold temperature _degree, the fan stops rotating. PWM fans require rigorous testing of their electrical performance, such as speed, rated voltage, and rated current, before use. The conventional test device generally uses a dedicated fan test device to test various parameters of the PWM fan 'and record various test data'. Then the switch of the specialization requires manual control, and the test cost is high, and #冬之: In case, the test device can only be suspended and tested for device resources. SUMMARY OF THE INVENTION [0003] In view of the above, it is necessary to provide a fan test system that automatically tests a computer fan. [0004] A fan test system includes a control device for testing a fan and a test control device electrically connected to the control device and the fan, the test control device including a microcontroller, a switch module, and a The conversion module 'the switch module controls the microcontroller to send a pulse control signal to the fan 099135033 Form No. A0101 Page 3 of 15 0992061159-0 201215902, the fan adjusts its rotation speed according to the received pulse control signal, and The speed signal is sent to the microcontroller, and the microcontroller reads the rotating voltage and the rotating current of the fan at different speeds, and sends the fan speed, the rotating power and the rotating current to the control device via the conversion module. [0006] [0006] 099135033 Compared with the prior art, the fan test system automatically tests the fan by the test control device, and sends the test result to the control device at the end of the test, the microcontroller can treat The fan is automatically tested and requires no manual work to save labor costs. [Embodiment] Please refer to FIG. 1. The preferred embodiment of the fan test system of the present invention includes a test control device, a control device and a fan 300. The test control device 1 includes a microcontroller 10, a lake module 20, an indicator module 30, a prompt module 40, a power supply module 50, and a conversion module 60. The switch module 20 controls the microcontroller 10 to send a pulse control signal to the fan 300. The fan 300 adjusts its rotational speed according to the received pulse control signal, and transmits its rotational speed signal to the micro-controller 10. The micro-controller 10 reads the rotational voltage and the rotational current of the fan 300 at different rotational speeds IF, and transmits the rotational speed, rotational voltage and rotational current of the fan 300 to the control device 200 via the conversion module 60. The control device 200 sends a test completion signal to the microcontroller 10 when the fan 300 is tested normally. The micro-controller 1J sends an indication signal to the indication module 30 after receiving the test completion signal. The indicator module 30 illuminates after receiving the test completion signal to indicate that the fan 300 is normal. Referring to FIG. 2, the microcontroller 10 includes analog input pins ΡΑ0, PA1, and 8-bit bidirectional I/O (input/output) pins ΡΒ0 to PB7, reset pin form bat number A0101, page 4/total 15 pages 0992061159-0 [0007] 201215902 RESET 'Oscillation signal input pin XI, oscillation signal output pin Χ 2, power supply positive pin VCC, power supply ground pin GND. The analog input terminals ΡΑ0 and ΡΑ1 are respectively used as the voltage signal collecting end and the current signal collecting end, and I/O埠ΡΒΟ and ΡΒ1 are respectively used as the pulse control signal output end and the rotational speed signal input end, and I/O埠ΡΒ2 and ΡΒ3 are respectively used as the digital signal signals. The receiving end and the digital signal transmitting end, I/O埠ΡΒ4 and ΡΒ5 are respectively used as the first pulse signal control end and the second pulse signal control end, and I/O埠ΡΒ6 and ΡΒ7 respectively serve as the prompt signal output end and the indication signal output end. q [(8)08] The indicating module 30 includes a light emitting diode D1, and the display module 40 includes a buzzer LSI. The buzzer LSI and the positive electrode of the LED D1 are electrically connected, respectively, and the output terminal PB6 is the instruction signal output terminal PB7. The /1⁄4 strict: K1 buzzer LSI and the light-emitting diode D1 are negative, and the power supply grounding pin GND is electrically connected. The control device 200 sends a rotational speed abnormal signal when the fan 300 rotates too fast or too slow. Microcontroller 10. After receiving the fan speed abnormal signal, the microcontroller 10 sends a 3 signal to the prompt module 40, and the prompt module 40 sends an audible prompt after receiving the prompt signal. [0009] The fan 300 includes an impulse control signal input terminal PC0, a rotation speed signal output terminal PC1, a power terminal PC2, and a ground terminal PC3. The pulse control signal output terminal ΡΒ0 is electrically connected to the pulse control signal input terminal PC0 for outputting the pulse control signal to the fan 300. The speed signal output terminal pci is electrically connected to the speed signal input terminal PB1 for outputting the speed signal to the microcontroller 10. The power supply terminal PC2 is grounded via a variable resistor R1, and the power supply terminal PC2 receives a +12V DC voltage. The voltage signal collecting end pA is electrically connected to the regulating end of the variable resistor R1. The grounding terminal PC3 is electrically connected to the current signal collecting terminal PA1. The grounding terminal PC3 is grounded via a first resistor R2. The 099135033 Form No. A0101 Page 5/15 pages 0992061159-0 201215902 The grounding terminal PC3 is also sequentially passed through a second The resistor R3 and a toggle switch S1 are grounded. [0010] The switch module 20 includes a first button switch S2, a second button switch S3, and a third button switch S4. The reset pin RESET, the first and second pulse signal control terminals PB4, PB5 are grounded via the first, second and third button switches grounds S2 to S4, respectively. When the first button switch S2 is pressed, the reset pin RESET is grounded to reset the microcontroller 1 〇; when the second button S3 is pressed, the first pulse signal control terminal pB4 is grounded to control the microcontroller 10 sends a continuous pulse control signal; when the third button switch S4 is pressed, the second pulse signal control terminal PB5 is grounded to control the microcontroller 10 to send a intermittent pulse control signal. The oscillating signal input pin XI and the oscillating signal output lead X2 are grounded via a crystal oscillator J1 having a frequency of 16 MHz, and are used to generate a frequency at the pulse control signal output terminal p: .. ' is a pulse control signal of 24 MHz. Clearly referring to FIG. 3, the power supply module 5 includes a voltage regulator... and capacitors 〇1 to C4. The regulator U1 includes a wheel end, a ground end and an output end. The input terminals of the regulator υι are connected to the ground via the C-capacitors C1 and [2, respectively. The output terminals of the voltage regulators are connected to the ground via filter capacitors C3 and C4, respectively. The input terminal of the voltage regulator HU1 is connected to the power adapter (not shown). The input voltage of the regulator υι outputs a DC voltage of +12V for the power supply of the fan 30G. _The output of the output is - 5V The DC voltage supplies power to the microcontroller 10 and the conversion module 60, respectively. In a preferred embodiment of the invention, the power adapter converts the mains voltage of +22 〇v to a dc voltage output of +9 volts. Continue to refer to Figure 3'. The conversion module 6G includes a level-shifting chip and 0992061159-0. Form A0101 Page 6 of 15 [0012] 201215902 Electric C5 to C9. In the preferred embodiment of the power supply testing device of the present invention, the "Hai-level conversion chip ϋ2 is a MAX232 chip designed by Maxim for the Rs_232 standard serial interface of the computer. The level-shifting chip ϋ2 includes positive and negative charge pins C1+, CBu, V+, V_, C2+, C2' data conversion pins T1 IN, T1 0UT, R1 ΙΝ, ιπ ουτ, 裉 positive pin VCC, power grounding Foot GND. The positive and negative charge pins cl+ and C2 + of the level shifting chip ϋ2 are connected to the positive and negative charge pins Π-, C2- via capacitors C5 and C6, respectively. The positive and negative charges Ο + V of the level-shifting wafer U2 are connected to the + 5V DC voltage and ground via capacitors C7 and C9, respectively. The positive and negative charge pins C1+, cBu, v+, v_, C2+, C2_ and Ο capacitors C5, C6, C7, and C9 form a charge pump circuit, and the pump circuit generates two power supplies of +12V and -12V, and the positive and negative The charge pins v+, v_ are provided to the RS_232 serial 埠 level. The power supply positive lead: the foot VCC is connected to the +5V DC voltage, and the power ground pin gnd is grounded. The power supply positive pin VCC is also grounded via capacitor C8. The data conversion pin T1 in receives the rotation signal, the rotation voltage signal and the rotation current signal from the 1/0# plane PB3 of the microcontroller 10 as a level signal receiving end, and the data conversion pin T1 OUT is used as the level m number. The transmitting end transmits the speed signal, the rotating voltage signal and the rotating current signal converted by the level converting chip U2 to the control device 200. The data conversion pin R1 IN receives the test completion signal from the control device 200 as a level signal receiving end, and the data conversion pin R1 OUT is used as a level signal transmitting end to transmit the test completion signal after the level conversion chip U2 is converted. The I/O 埠 PB2 of the microcontroller is controlled to control the microcontroller 10 to send an indication signal to the indication module 30. 099135033 During the test, the fan 300 to be tested is connected to the fan test form according to FIG. 1 煸 AQ1G1 Page 7 / 15 pages 0992061159-0 [0013] 201215902 6-type system, know: press first or second The push button switches S 3, S 4 control the pulse control signals sent from the micro control 芎 10 to the I/O 埠ΡΒ 0. The pulse control signal input pc of the fan 300 receives the pulse control signal, and the fan 300 adjusts the rotation speed according to the received pulse control signal. The rotational speed signal output terminal PC1 of the fan 300 transmits its rotational speed signal to the micro-controller 10. The voltage signal collecting end PA of the microcontroller 10 reads the rotating voltage of the fan 300 at different rotational speeds via the variable resistor R1, and the current signal collecting end PA1 of the microcontroller 1 is read via the resistor!^2" The fan 3 is driven by a rotating current at different rotational speeds. The microcontroller 1 〇 transmits the rotational speed, the rotational voltage and the rotational current of the fan 3 to the control device 200 via the conversion mode. The control device 200 stores In a normal state, the fan 3 is driven by a rotation speed corresponding to a different rotation voltage and a rotation current. The control device 2 determines whether the rotation speed, the rotation voltage and the rotation current of the fan 3 are normal according to the rotation speed in the normal state. And according to the result of the determination, the conversion module 60 controls the difficulty of the ||1 () (4) to complete the message prompting signal. [0015] In summary, the invention 4 has been in accordance with the patent requirements, Appropriately stated in accordance with the law, the above description is only a preferred embodiment of the present invention. For those who are familiar with the skill of the present invention, the equivalent modifications or changes made by the Japanese spirit should be covered in the following. Please BRIEF DESCRIPTION OF THE DRAWINGS [Fig. 1 is a block diagram showing the composition of a fan test system of the present invention, which includes a fan, a test control device, and a control device. Fig. 2 is a test control device of Fig. 1. Circuit diagram of the microcontroller, switch module, indicator module and prompt module. 099135033 Form No. A0101 Page 8 of 15 0992061159-0 [0016] 201215902 [0017] Figure 3 is the power supply of the test control device in Figure 1. Circuit diagram of module and conversion module [Main component symbol description] [0018] Microcontroller: 10 [0019] Switch module: 20 [0020] Indication module: 3 0 [0021] Prompt module: 40 [0022 Power supply module: 50 [0023] Conversion module: 60 ' [0024] Test control device: 100 [0025] Control device: 200 [0026] Fan: 300 [0027] Voltage regulator: U1 Q [0028] Level Conversion chip: U2 [0029] Light-emitting diode: D1 [0030] Buzzer: LSI [0031] Crystal oscillator. J1 [0032] Toggle switch: S1 [0033] First button switch: S2 [0034] Second button New switch: S3 099135033 Form No. A0101 Page 9 / Total 15 Page 0992061159-0 201215902 S4 [0035] Third button switch: [0036] Capacitor: C1 to C9 [0037] Variable resistor: R1 [0038] First resistor: R2 [0039] Second resistor: R 3 099135033 Form number A0101 Page 10 / Total 15 pages 0992061159-0