TWI410651B - Testing device for testing electrical parameter of a hard disk power source - Google Patents

Testing device for testing electrical parameter of a hard disk power source Download PDF

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TWI410651B
TWI410651B TW99147425A TW99147425A TWI410651B TW I410651 B TWI410651 B TW I410651B TW 99147425 A TW99147425 A TW 99147425A TW 99147425 A TW99147425 A TW 99147425A TW I410651 B TWI410651 B TW I410651B
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input
hard disk
control unit
voltage
unit
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TW99147425A
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TW201226939A (en
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song-lin Tong
Qi-Yan Luo
Peng Chen
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Hon Hai Prec Ind Co Ltd
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  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

A testing device for testing electrical parameter of a hard disk power source includes a first input portion, a first input current testing module, a first input voltage testing module, a controlling module and a hard disk. The hard disk includes a first power source input which is connected to the first input portion. The first input current testing module is connected between the first input portion and the first power source input and configured for testing a first input current. The first input voltage testing module is connected to the first input portion and configured for testing the first input voltage.

Description

硬碟電源電氣參數監控裝置Hard disk power supply electrical parameter monitoring device

本發明涉及一種電氣參數監控裝置，尤其涉及一種用於硬碟電源的電氣參數監控裝置。The invention relates to an electrical parameter monitoring device, in particular to an electrical parameter monitoring device for a hard disk power supply.

硬碟供電設計時，通常需要測量硬碟的電氣參數以作為整個系統電源設計的參考依據。快速準確測量硬碟的電氣參數成為業界需要解決的技術問題。When designing a hard disk, it is often necessary to measure the electrical parameters of the hard disk as a reference for the overall system power supply design. Fast and accurate measurement of the electrical parameters of the hard disk has become a technical problem that the industry needs to solve.

鑒於以上內容，有必要提供一種能夠快速準確測量的硬碟電源電氣參數監控裝置。In view of the above, it is necessary to provide a hard disk power supply electrical parameter monitoring device that can quickly and accurately measure.

一種硬碟電源電氣參數監控裝置，包括第一輸入端及硬碟，硬碟包括第一電源輸入端，第一輸入端與硬碟的第一電源輸入端連接以向硬碟提供第一電源，還包括第一輸入電流採樣單元、第一輸入電壓採樣單元及控制單元，第一輸入電流採樣單元連接於第一輸入端與硬碟的第一電源輸入端之間以採集第一輸入電流I_in1，第一輸入電壓採樣單元與第一輸入端連接以採集第一輸入電壓U_in1，第一輸入電流採樣單元與控制單元連接以將所採集到的第一輸入電流I_in1傳遞給控制單元，第一輸入電壓採樣單元與控制單元連接以將所採集到的第一輸入電壓U_in1傳遞給控制單元。A hard disk power supply electrical parameter monitoring device includes a first input end and a hard disk, the hard disk includes a first power input end, and the first input end is connected to the first power input end of the hard disk to provide the first power supply to the hard disk, The first input current sampling unit and the first input voltage sampling unit are connected between the first input end and the first power input end of the hard disk to collect the first input current I_in1, The first input voltage sampling unit is connected to the first input terminal to collect the first input voltage U_in1, and the first input current sampling unit is connected to the control unit to transmit the collected first input current I_in1 to the control unit, the first input voltage The sampling unit is connected to the control unit to transmit the collected first input voltage U_in1 to the control unit.

上述硬碟電源電氣參數監控裝置可以快速準確測量硬碟的電氣參數，從而有利於整個電腦系統的電源設計。The above-mentioned hard disk power supply electrical parameter monitoring device can quickly and accurately measure the electrical parameters of the hard disk, thereby facilitating the power supply design of the entire computer system.

請參照圖1，本發明較佳實施方式提供的硬碟電源電氣參數監控裝置包括第一輸入端V_in1、第二輸入端V_in2、硬碟13、第一輸入電流採樣單元14、第一輸入電壓採樣單元15、第二輸入電流採樣單元16、第二輸入電壓採樣單元17、顯示單元19及控制單元18。硬碟13包括第一電源輸入端131及第二電源輸入端132，第一輸入端V_in1與硬碟13的第一電源輸入端131連接以向硬碟13提供第一電源，第二輸入端V_in2與硬碟13的第二電源輸入端132連接以向硬碟13提供第二電源。在本實施方式中，第一輸入端V_in1提供+12V電壓，第二輸入端V_in2提供+5V電壓。Referring to FIG. 1, a hard disk power supply electrical parameter monitoring apparatus according to a preferred embodiment of the present invention includes a first input terminal V_in1, a second input terminal V_in2, a hard disk 13, a first input current sampling unit 14, and a first input voltage sampling. The unit 15, the second input current sampling unit 16, the second input voltage sampling unit 17, the display unit 19, and the control unit 18. The hard disk 13 includes a first power input terminal 131 and a second power input terminal 132. The first input terminal V_in1 is connected to the first power input terminal 131 of the hard disk 13 to provide a first power source to the hard disk 13. The second input terminal V_in2 A second power input 132 of the hard disk 13 is coupled to provide a second power supply to the hard disk 13. In the present embodiment, the first input terminal V_in1 provides a voltage of +12V, and the second input terminal V_in2 provides a voltage of +5V.

第一輸入電流採樣單元14連接於第一輸入端V_in1與硬碟13的第一電源輸入端131之間以採集第一輸入電流I_in1，第一輸入電流採樣單元14與控制單元18的引腳RA1連接以將所採集到的第一輸入電流I_in1傳遞給控制單元18。在本實施方式中，第一輸入電流採樣單元14包括第一採樣電阻141及第一電壓採樣單元142，第一採樣電阻141連接於第一輸入端V_in1與硬碟13的第一電源輸入端131之間，第一電壓採樣單元142與第一採樣電阻141連接以測量第一採樣電阻141的電壓U_1，第一電壓採樣單元142與控制單元18的引腳RA1連接以將電壓U_1傳送給控制單元18。第一採樣電阻141為錳銅線採樣電阻。The first input current sampling unit 14 is connected between the first input terminal V_in1 and the first power input terminal 131 of the hard disk 13 to collect the first input current I_in1, and the first input current sampling unit 14 and the pin RA1 of the control unit 18 The connection is to pass the collected first input current I_in1 to the control unit 18. In the present embodiment, the first input current sampling unit 14 includes a first sampling resistor 141 and a first voltage sampling unit 142. The first sampling resistor 141 is connected to the first input terminal V_in1 and the first power input terminal 131 of the hard disk 13. The first voltage sampling unit 142 is connected to the first sampling resistor 141 to measure the voltage U_1 of the first sampling resistor 141, and the first voltage sampling unit 142 is connected to the pin RA1 of the control unit 18 to transmit the voltage U_1 to the control unit. 18. The first sampling resistor 141 is a manganese copper wire sampling resistor.

第一輸入電壓採樣單元15與第一輸入端V_in1連接以採集第一輸入電壓U_in1，第一輸入電壓採樣單元15與控制單元18的引腳RA2連接以將所採集到的第一輸入電壓U_in1傳遞給控制單元18。The first input voltage sampling unit 15 is connected to the first input terminal V_in1 to collect the first input voltage U_in1, and the first input voltage sampling unit 15 is connected to the pin RA2 of the control unit 18 to transmit the collected first input voltage U_in1. To the control unit 18.

控制單元18預存第一採樣電阻141的阻值R_1，控制單元18根據公式I_in1=U_1/R_1以獲得硬碟13的第一輸入電流I_in1。控制單元18根據公式P_in1=U_in1*I_in1得到硬碟13的第一輸入功率P_1。進一步而言，控制單元18根據所採集到的第一輸入電流I_in1獲得第一輸入電流峰值I_max1、第一輸入電流峰值I_max1所對應的U_max1及第一輸入電流峰值的保持時間t_1。更進一步而言，控制單元18根據公式P_max1= U_max1* I_max1以獲得第一輸入功率峰值P_max1。The control unit 18 prestores the resistance R_1 of the first sampling resistor 141, and the control unit 18 obtains the first input current I_in1 of the hard disk 13 according to the formula I_in1=U_1/R_1. The control unit 18 obtains the first input power P_1 of the hard disk 13 according to the formula P_in1=U_in1*I_in1. Further, the control unit 18 obtains the first input current peak I_max1, the U_max1 corresponding to the first input current peak I_max1, and the holding time t_1 of the first input current peak according to the collected first input current I_in1. Further, the control unit 18 obtains the first input power peak value P_max1 according to the formula P_max1 = U_max1* I_max1.

第二輸入電流採樣單元16連接於第二輸入端V_in2與硬碟13的第二電源輸入端132之間以採集第二輸入電流I_in2，第二輸入電流採樣單元16與控制單元18的引腳RA3連接以將所採集到的第二輸入電流I_in2傳遞給控制單元18。在本實施方式中，第二輸入電流採樣單元16包括第二採樣電阻161及第二電壓採樣單元162，第二採樣電阻161連接於第二輸入端V_in2與硬碟13的第二電源輸入端132之間，第二電壓採樣單元162與第二採樣電阻161連接以測量第二採樣電阻161的電壓U_2，第二電壓採樣單元162與控制單元18的引腳RA3連接以將電壓U_2傳送給控制單元18。第二採樣電阻161為錳銅線採樣電阻。The second input current sampling unit 16 is connected between the second input terminal V_in2 and the second power input terminal 132 of the hard disk 13 to collect the second input current I_in2, the second input current sampling unit 16 and the pin RA3 of the control unit 18. The connection is to pass the collected second input current I_in2 to the control unit 18. In the present embodiment, the second input current sampling unit 16 includes a second sampling resistor 161 and a second voltage sampling unit 162. The second sampling resistor 161 is connected to the second input terminal V_in2 and the second power input terminal 132 of the hard disk 13. Between the second voltage sampling unit 162 and the second sampling resistor 161 is connected to measure the voltage U_2 of the second sampling resistor 161, and the second voltage sampling unit 162 is connected to the pin RA3 of the control unit 18 to transmit the voltage U_2 to the control unit. 18. The second sampling resistor 161 is a manganese copper wire sampling resistor.

第二輸入電壓採樣單元17與第二輸入端V_in2連接以採集第二輸入電壓U_in2，第二輸入電壓採樣單元17與控制單元18的引腳RA4連接以將所採集到的第二輸入電壓U_in2傳遞給控制單元18。The second input voltage sampling unit 17 is connected to the second input terminal V_in2 to collect the second input voltage U_in2, and the second input voltage sampling unit 17 is connected to the pin RA4 of the control unit 18 to transmit the collected second input voltage U_in2. To the control unit 18.

控制單元18預存第二採樣電阻161的阻值R_2，控制單元18根據公式I_in2=U_2/R_2以獲得硬碟13的第二輸入電流I_in2。控制單元18根據公式P_in2=U_in2*I_in2得到硬碟13的第二輸入功率P_2。進一步而言，控制單元18根據所採集到的第二輸入電流I_in2獲得第二輸入電流峰值I_max2、第二輸入電流峰值I_max2所對應的U_max2及第二輸入電流峰值的保持時間t_2。更進一步而言，控制單元18根據公式P_max2= U_max2* I_max2以獲得第二輸入功率峰值P_max2。The control unit 18 prestores the resistance value R_2 of the second sampling resistor 161, and the control unit 18 obtains the second input current I_in2 of the hard disk 13 according to the formula I_in2=U_2/R_2. The control unit 18 obtains the second input power P_2 of the hard disk 13 according to the formula P_in2=U_in2*I_in2. Further, the control unit 18 obtains the second input current peak I_max2, the U_max2 corresponding to the second input current peak I_max2, and the holding time t_2 of the second input current peak according to the collected second input current I_in2. Further, the control unit 18 obtains the second input power peak value P_max2 according to the formula P_max2 = U_max2 * I_max2.

控制單元18與顯示單元19連接，顯示單元19顯示上述硬碟13的電氣參數。The control unit 18 is connected to the display unit 19, and the display unit 19 displays the electrical parameters of the above-described hard disk 13.

上述硬碟電源電氣參數監控裝置可以快速準確測量硬碟的電氣參數，從而有利於整個電腦系統的電源設計。The above-mentioned hard disk power supply electrical parameter monitoring device can quickly and accurately measure the electrical parameters of the hard disk, thereby facilitating the power supply design of the entire computer system.

另外，本領域技術人員還可在本發明申請專利範圍第公開的範圍和精神內做其他形式和細節上的各種修改、添加和替換。當然，這些依據本發明精神所做的各種修改、添加和替換等變化，都應包含在本發明所要求保護的範圍之內。In addition, various modifications, additions and substitutions in the form and details may be made by those skilled in the art in the scope and spirit of the disclosure. Of course, various modifications, additions and substitutions made in accordance with the spirit of the present invention are intended to be included within the scope of the present invention.

V_in1‧‧‧第一輸入端V_in1‧‧‧ first input

V_in2‧‧‧第二輸入端V_in2‧‧‧ second input

13‧‧‧硬碟13‧‧‧ Hard disk

131‧‧‧第一電源輸入端131‧‧‧First power input

132‧‧‧第二電源輸入端132‧‧‧second power input

14‧‧‧第一輸入電流採樣單元14‧‧‧First input current sampling unit

141‧‧‧第一採樣電阻141‧‧‧First sampling resistor

142‧‧‧第一電壓採樣單元142‧‧‧First voltage sampling unit

15‧‧‧第一輸入電壓採樣單元15‧‧‧First input voltage sampling unit

16‧‧‧第二輸入電流採樣單元16‧‧‧Second input current sampling unit

161‧‧‧第二採樣電阻161‧‧‧Second sampling resistor

162‧‧‧第二電壓採樣單元162‧‧‧Second voltage sampling unit

17‧‧‧第二輸入電壓採樣單元17‧‧‧Second input voltage sampling unit

18‧‧‧控制單元18‧‧‧Control unit

19‧‧‧顯示單元19‧‧‧Display unit

RA1、RA2、RA3、RA4‧‧‧引腳RA1, RA2, RA3, RA4‧‧‧ pins

圖1為本發明較佳實施方式的硬碟電源電氣參數監控裝置的電路圖。1 is a circuit diagram of an electrical parameter monitoring device for a hard disk power supply according to a preferred embodiment of the present invention.

V_in1‧‧‧第一輸入端 V_in1‧‧‧ first input

V_in2‧‧‧第二輸入端 V_in2‧‧‧ second input

13‧‧‧硬碟 13‧‧‧ Hard disk

131‧‧‧第一電源輸入端 131‧‧‧First power input

132‧‧‧第二電源輸入端 132‧‧‧second power input

14‧‧‧第一輸入電流採樣單元 14‧‧‧First input current sampling unit

141‧‧‧第一採樣電阻 141‧‧‧First sampling resistor

142‧‧‧第一電壓採樣單元 142‧‧‧First voltage sampling unit

15‧‧‧第一輸入電壓採樣單元 15‧‧‧First input voltage sampling unit

16‧‧‧第二輸入電流採樣單元 16‧‧‧Second input current sampling unit

161‧‧‧第二採樣電阻 161‧‧‧Second sampling resistor

162‧‧‧第二電壓採樣單元 162‧‧‧Second voltage sampling unit

17‧‧‧第二輸入電壓採樣單元 17‧‧‧Second input voltage sampling unit

18‧‧‧控制單元 18‧‧‧Control unit

19‧‧‧顯示單元 19‧‧‧Display unit

RA1、RA2、RA3、RA4‧‧‧引腳 RA1, RA2, RA3, RA4‧‧‧ pins

Claims (9)

一種硬碟電源電氣參數監控裝置，包括第一輸入端及硬碟，硬碟包括第一電源輸入端，第一輸入端與硬碟的第一電源輸入端連接以向硬碟提供第一電源，其改良在於：還包括第一輸入電流採樣單元、第一輸入電壓採樣單元及控制單元，第一輸入電流採樣單元連接於第一輸入端與硬碟的第一電源輸入端之間以採集第一輸入電流I_in1，第一輸入電壓採樣單元與第一輸入端連接以採集第一輸入電壓U_in1，第一輸入電流採樣單元與控制單元連接以將所採集到的第一輸入電流I_in1傳遞給控制單元，第一輸入電壓採樣單元與控制單元連接以將所採集到的第一輸入電壓U_in1傳遞給控制單元。A hard disk power supply electrical parameter monitoring device includes a first input end and a hard disk, the hard disk includes a first power input end, and the first input end is connected to the first power input end of the hard disk to provide the first power supply to the hard disk, The improvement comprises: a first input current sampling unit, a first input voltage sampling unit and a control unit, wherein the first input current sampling unit is connected between the first input end and the first power input end of the hard disk to acquire the first Input current I_in1, the first input voltage sampling unit is connected to the first input terminal to collect the first input voltage U_in1, and the first input current sampling unit is connected to the control unit to transmit the collected first input current I_in1 to the control unit, The first input voltage sampling unit is coupled to the control unit to communicate the collected first input voltage U_in1 to the control unit. 如申請專利範圍第1項所述的硬碟電源電氣參數監控裝置，其中控制單元根據公式P_in1=U_in1*I_in1得到硬碟的第一輸入功率。The hard disk power supply electrical parameter monitoring device according to claim 1, wherein the control unit obtains the first input power of the hard disk according to the formula P_in1=U_in1*I_in1. 如申請專利範圍第1項所述的硬碟電源電氣參數監控裝置，其中控制單元根據所採集到的第一輸入電流I_in1獲得第一輸入電流峰值、第一輸入功率峰值及第一輸入電流峰值的保持時間t_1。The hard disk power supply electrical parameter monitoring device of claim 1, wherein the control unit obtains the first input current peak, the first input power peak, and the first input current peak according to the collected first input current I_in1. Hold time t_1. 如申請專利範圍第1項所述的硬碟電源電氣參數監控裝置，其中第一輸入電流採樣單元包括第一採樣電阻及第一電壓採樣單元，第一採樣電阻連接於第一輸入端與硬碟的第一電源輸入端之間，第一電壓採樣單元與第一採樣電阻連接以測量第一採樣電阻的電壓U_1，第一電壓採樣單元與控制單元連接以將電壓U_1傳送給控制單元，控制單元預存第一採樣電阻的阻值R_1，控制單元根據公式I_in1=U_1/R_1以獲得硬碟的第一輸入電流I_in1。The hard disk power supply electrical parameter monitoring device of claim 1, wherein the first input current sampling unit comprises a first sampling resistor and a first voltage sampling unit, and the first sampling resistor is connected to the first input terminal and the hard disk. Between the first power input terminals, the first voltage sampling unit is connected to the first sampling resistor to measure the voltage U_1 of the first sampling resistor, and the first voltage sampling unit is connected to the control unit to transmit the voltage U_1 to the control unit, and the control unit The resistance R_1 of the first sampling resistor is pre-stored, and the control unit obtains the first input current I_in1 of the hard disk according to the formula I_in1=U_1/R_1. 如申請專利範圍第1項所述的硬碟電源電氣參數監控裝置，其中還包括第二輸入端、第二輸入電流採樣單元、第二輸入電壓採樣單元，硬碟還包括第二電源輸入端，第二輸入端與硬碟的第二電源輸入端連接以向硬碟提供第二電源，第二輸入電流採樣單元連接於第二輸入端與硬碟的第二電源輸入端之間以採集第二輸入電流I_in2，第二輸入電壓採樣單元與第二輸入端連接以採集第二輸入電壓U_in2，第二輸入電流採樣單元與控制單元連接以將所採集到的第二輸入電流I_in2傳遞給控制單元，第二輸入電壓採樣單元與控制單元連接以將所採集到的第二輸入電壓U_in2傳遞給控制單元。The hard disk power supply electrical parameter monitoring device of claim 1, further comprising a second input terminal, a second input current sampling unit, and a second input voltage sampling unit, wherein the hard disk further includes a second power input terminal. The second input terminal is connected to the second power input end of the hard disk to provide a second power supply to the hard disk, and the second input current sampling unit is connected between the second input end and the second power input end of the hard disk to collect the second Input current I_in2, the second input voltage sampling unit is connected to the second input terminal to collect the second input voltage U_in2, and the second input current sampling unit is connected to the control unit to transmit the collected second input current I_in2 to the control unit, The second input voltage sampling unit is coupled to the control unit to communicate the collected second input voltage U_in2 to the control unit. 如申請專利範圍第5項所述的硬碟電源電氣參數監控裝置，其中控制單元根據公式P_in2=U_in2*I_in2得到硬碟的第二輸入功率。The hard disk power supply electrical parameter monitoring device according to claim 5, wherein the control unit obtains the second input power of the hard disk according to the formula P_in2=U_in2*I_in2. 如申請專利範圍第6項所述的硬碟電源電氣參數監控裝置，其中控制單元根據所採集到的第二輸入電流I_in2獲得第二輸入電流峰值、第二輸入功率峰值及第二輸入電流峰值的保持時間t_2。The hard disk power supply electrical parameter monitoring device of claim 6, wherein the control unit obtains the second input current peak, the second input power peak, and the second input current peak according to the collected second input current I_in2. Hold time t_2. 如申請專利範圍第5項所述的硬碟電源電氣參數監控裝置，其中第二輸入電流採樣單元包括第二採樣電阻及第二電壓採樣單元，第二採樣電阻連接於第二輸入端與硬碟的第二電源輸入端之間，第二電壓採樣單元與第二採樣電阻連接以測量第二採樣電阻的電壓U_1，第二電壓採樣單元與控制單元連接以將電壓U_2傳送給控制單元，控制單元預存第二採樣電阻的阻值R_2，控制單元根據公式I_in2=U_2/R_2以獲得硬碟的第二輸入電流I_in2。The hard disk power supply electrical parameter monitoring device according to claim 5, wherein the second input current sampling unit comprises a second sampling resistor and a second voltage sampling unit, and the second sampling resistor is connected to the second input terminal and the hard disk. Between the second power input terminals, the second voltage sampling unit is connected to the second sampling resistor to measure the voltage U_1 of the second sampling resistor, and the second voltage sampling unit is connected to the control unit to transmit the voltage U_2 to the control unit, the control unit The resistance R_2 of the second sampling resistor is prestored, and the control unit obtains the second input current I_in2 of the hard disk according to the formula I_in2=U_2/R_2. 如申請專利範圍第1項所述的硬碟電源電氣參數監控裝置，其中還包括顯示單元，該顯示單元與該控制單元連接。The hard disk power supply electrical parameter monitoring device of claim 1, further comprising a display unit, the display unit being connected to the control unit.
TW99147425A 2010-12-31 2010-12-31 Testing device for testing electrical parameter of a hard disk power source TWI410651B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6473257B1 (en) * 1999-07-12 2002-10-29 Tdk Corporation Method and apparatus for measuring characteristics of ferromagnetic tunnel magnetoresistance effect element, and hard disk drive
TWM274564U (en) * 2005-03-07 2005-09-01 Lai Jia De Entpr Co Ltd Hard disk simulation module
WO2007006582A1 (en) * 2005-07-14 2007-01-18 Aktenmühle GmbH Degaussing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6473257B1 (en) * 1999-07-12 2002-10-29 Tdk Corporation Method and apparatus for measuring characteristics of ferromagnetic tunnel magnetoresistance effect element, and hard disk drive
TWM274564U (en) * 2005-03-07 2005-09-01 Lai Jia De Entpr Co Ltd Hard disk simulation module
WO2007006582A1 (en) * 2005-07-14 2007-01-18 Aktenmühle GmbH Degaussing device

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