201241461 六、發明說明： · * 【發明所屬之技術領域】 [0001] 本發明係關於電源供應器之測試，更係關於自動化測試 及控制電源供應器之電路、系統及方法。 【先前技·術·】 [0002] 在電源供應器研發和生產製造的過程中，必須對其進行 大量的測試及驗證以確保品質能夠符合客戶的要求。 [0003] 示波器為測試電源供應器的常用電子測量儀器，能夠以 0 二維平面的方式顯示受測電源供應器所輸出的時變訊號 之電氣特性。然而，一般示波器僅只具有二至四個類比 通道，當欲檢測的電源供應器輸出/輸入訊號數量繁多而 示波器通道數量有限時，不得不依靠人工方式重新連接 電源供應器的不同輸出/輸入訊號到示波器。電源供應器 之測試項目眾多，習知的電源供應器測試技術係採取半 自動的方式進行，除此之外，習知現行測試系統亦無法 讓使用者在進行測試的同時自動操控待測電源供應器的 〇 輸入狀態（例如：產品的地址位置，輸出狀態等），以導 致產品測試不能連續進行，從而使測試的效率低落。 [0004] 因此，一種高效率、自動化、並且能夠同時將電源供應 器之測試與控制予以整合的電路、系統或方法亟為業界 所需。 【發明内容】 [0005] 本發明提供一種電源測試控制系統，包括：一電子裝置 ，用以提供一控制訊號；一示波器，具有第一數目的示 波器通道，用以顯示該等示波器通道所接收之訊號之波 100119128 表單編號 A0101 第 3 頁/共 17 頁 1002032303-0 201241461 形’以及-電源測試控制電路，其㈣至第二數目的電 源供應器輪出/輸人訊號及該第_數目的示波器通道。該 電子裝置，包括：_ +油势、3k 不波益通道控制單元，用以依據該 控制訊號之控制而將該第_盔 冇忑弟―數目之電源供應器之電源輸 出/輸入訊號選擇性祕, C electively)提供至該第一數目 的示波器通道。 [0006] [0007] [0008] [0009] 100119128 本發明另提供-種電源職控制電路，包括：一示波器 通道控制單元，_於第—數目的示波器通道與第二數 目的電源供應器輸出/輪人訊號之間，用以依據—電子裝 置輸出之控制訊號之控制而將該第二數目之電源供應器 之電源輸出/輸入訊號選擇性地（selectiveiy)提供至該 第一數目的示波器通道。 本發明另提供-種電源測試控制方法包括：提供一控 制訊號；提供—示波器，其中該示波器具有第-數目的 不波器通道’用關示料示波器通道所接收之訊號之 波形；以及依據該控制訊號之控制而將第二數目之電源 供應器之電源輸出/輸入訊號選擇性地（selectively)提 供至該第一數目的示波器通道。 【實施方式】 下文為介紹本發明之最佳實施例。各實施例用以說明本 發明之原理，但非用以限制本發明。本發明之範圍當以 後附之權利要求項為準。 第1圖為依據本發明-實施例之電源測試控制系統示意圖 。本發明之電源測試控制系統1〇〇可用來測試並控制電源 供應器110，以達到自動化電源測試之目的。為方便說明 表單編號A0101 第4頁/共17頁 1002032303-0 201241461 ，在下文的實施例中，❹J的電源供應器110之輸出/輸 入訊號數目以十六個為例，然、而在其他實施例中本發明 不必以此為限。 [0010] ο [0011] ο 如第1圖所示，本發明之電源測試控制系統1〇〇包括一電 子裝置102、一示波器104以及一電源測試控制電路 。本發明之電子裝置102，舉例而言，可為各種型態之電 腦，具有人機界面，可用以接收使用者下達之指令並提 供一控制訊號。本發明之示波器1〇4可為習知的示波器， 具有既定數目的示波器通道，而各個示波器通道可用以 顯示其所接收之訊號之波形。必須注意到’由於一般的 示波器僅具有二至四個類比通道，因此下述實施例中將 以具有四個示波器通道之示波器為例。本發明之電源測 試控制電路106係耦接至該電源供應器的十六個輸出/輸 入訊號與該四個類比的示波器通道之間，並連接至該電 子裝置102以受其控制。 在一最佳實施例中，本發明之電源測試控制電路1 〇6包括 一示波器通道控制單元162、一訊號傳輸界面164、一脈 寬調變（pulse width modulation，PWM)控制單元 166 以及複數個電源供應器輸入切換開關16 8。值得注意的是 ’本發明之示波器通道控制單元162具有擴充示波器1〇4 既有通道數量的功能，用以省去使用者不斷重新連接示 波器的麻煩，達到高效率測試電源供應器丨i 〇之目的。該 示波器通道控制單元162可依據該電子裝置102所輸出之 控制訊號之控制而將上述電源供應器11〇之十六個電源輸 出/輸入訊號選擇性地（selectively)提供至上述四個示 100119128 表單編號A0101 第5頁/共17頁 1002032303-0 201241461 波器通道’使得示波器104可利用僅有的四個示波器通道 顯示並量測電源供應器丨丨〇的十六個（甚至更多個）電源輪 出/輸入（例如電壓）之波形。 [0012] 透過本發明’示波器可顯示並量測電源輸出/輸入之各個 電壓或電流波形，包含直流電壓值、交流電壓的峰值、 峰對峰值、電源輸出間的電壓差、時序差’並可藉此判 斷爬升或下降電壓是否順滑、是否存在雜訊值等；此外 ，在於時序方面，亦可量測到電壓爬升時間、開啟電源 至輸出的延遲時間、關閉電源後的延遲時間等。 [0013] 第2圖為本發明一實施例之電源測試控制電路1 0 6中示波 器通道控制單元1 6 2之電路結構圖。在此實施例中，該示 波器通道控制單元1 62包括複數個繼電器開關 孔12八〜1^121)以及[?1^~1?1^。第2圖中示波器通道 CH1〜CH4可表示實際示波器104的輸入；而第2圖中的示 波器通道CH5〜CH20則表示受測電源供應器之十六個 輸出/輸入訊號。其中，繼電器開關RL12A〜RL12D係分別 用來控制四個既有的示波器通道CH卜CH4之間的開啟或關 閉，這是用作在十六個輸出/輸入連接至單通道的電壓錶 或示波器上；而繼電器開關RLA〜RLP則分別用來控制十六 個由本發明之示波器通道控制單元162所擴展生成的新示 波器通道CH5〜CH20。由電子裝置102傳來的控制訊號可 指出使用者欲觀察電源供應器的某輸出/輸入在示波器的 某通道上，而本發明之示波器通道控制單元162可進一步 解碼該控制訊號而操控繼電器的開關RL12A〜RL12D及 RLA~RLP。在一實施例中，舉例而言，該示波器通道控制 100119128 表單編號A0101 第6頁/共17頁 1002032303-0 201241461 Ο [0014] 單元162可採用分時多工之方式將電源供應HUG之十六 個電源輸出/輸入輪流提供至既定的四個示波器通道 CH卜CH4。在其他實施例中，本發明不必以此為限。透過 該等繼電器開關之作用，本發明之示波器通道控制單元 162即可達到擴展示波n1{)4通道數目的效果。值得注意 的是，雖然本文以第2圖的繼電器開關電路說明本發明之 示波器通道控财元162，賴悉本發魏㈣當可採用 各種適當形式的電路佈局以達到本發明前述實施例所欲 達成之功能及效果’因此，本發明不必以第2圖所示之電 路結構為限。 Ο [0015] 本發明之複數個電源供應㈣換開關168_接於該電子 裝置102與該等電源供應器⑴之間，亦可用以依據該控 制訊號分別開啟及_電源供絲11()的某輸人。在一實 施例中，該電源供應器切換開關i 68可同樣由_ _ _ (圖未示）所組成，並受控制訊號之控制而開啟或關閉。 其中的各個繼電器開關，舉例而言，可為一雙刀雙掷 (2Ρ2Ό繼電H。此電源供應器切換開關168有助於本發 明之使用者免除手動開_動作，使測試時變成一連册 性動作從而進一步提升測試效率之效果。 貝 100119128 a之3 ,界面164係耦接於該電子裝置1〇2與電 源供應器110之間’“傳輸該電子裝請2與該電源供 應器110間之訊號。在—音竑如士 ^ Λ ’、 在實施例中，本發明之訊號傳輸界 面164更包括—訊號轉換單元190,用以轉換該電子裝置 1〇2與該電源供應！軌_敎訊號格式。舉例 而备’電子裝置1G2所輪出之控制訊號係採用美國電子 表單編號Α0101 第7頁/共17頁 1002032303-0 201241461 工業聯盟（EIA )制定的序列資料通訊的介面標準，彳列如 RS-232標準，而受測電源應器110所採用的通訊標準可 能是I2C、SM Bus或PM Bus等格式，則本發明之訊號轉 換單元190即可用以對上述訊號進行轉換。透過此訊號傳 輸界面1 64，使用者可在以示波器1 04檢測電源供應琴. 110的同時，亦可以各種通訊標準的訊號對電源供應器 110進行通訊及控制。 [0016] [0017] [0018] 本發明之脈寬調變（pulse width modulation，PWM) 控制單元166亦耦接於該電子裝置102與該等電源供應器 110之間’可用以依據該控制訊號控制該電源供應器11 〇 上一風扇之脈寬調變訊號之佔空比。舉例而言，一般受 測之電源供應器11 〇皆具備風扇（圖未示）以調節其溫度， 而該風扇之轉速即受到脈寬調變訊號之控制。當調高該 脈寬調變訊號佔空比時，風扇轉速隨即提升；當調低該 脈宽調變訊號佔空比時，風扇轉速隨即降低。透過本發 明之脈寬調變控制單元16 6 ,可輕易觀測到電源供應器 11〇之負載與其風扇轉速間之對應關係。 藉由本發明所提供之電源測試控制系統100，所有與電源 應器測試及控制相關的操作皆可進一步獲得整合，對測 試工作的自動化有莫大的幫助。 除了前述的電源測試控制系統1〇{)，本發明另提供一電源 貝J"式控制方法。第3圖即為本發明之電源測試控制方法流 程圖。該電源測試控制方法係用以測試並控制電源供應 100119128 器輸出/輸入數目較示波器通道多時應用。本方法之流程 i括.在步驟3〇2中，提供一控制訊號；在步驟3〇4中， 表單編號A0101 第8頁/共17頁 1002032303-0 201241461 Ο [0019] 提供一示波器，其中該示波器具有第一數目的示波器通 道，用以顯示該等示波器通道所接收之訊號之波形；以 及在步驟306中，依據該控制訊號之控制而將該第二數目 之電源供應器之電源輸出/輸入訊號選擇性地 (selectively)提供至該第一數目的示波器通道。由於 本發明之電源測試控制方法可具體實施於前述第1圖之電 源測試控制系統上，熟悉本技藝人士可參照前文了解本 發明之方法，故本文將不再贅述該方法之相關實施例以 節省篇幅。 本發明雖以較佳實施例揭露如上，然其並非用以限定本 發明的範圍，任何熟習此項技藝者，在不脫離本發明之 精神和範圍内，當可做些許的更動與潤飾，因此本發明 之保護範圍當視後附之申請專利範圍所界定者為準。 [0020] 【圖式簡單說明】 第1圖為依據本發明一實施例之電源測試控制系統示意圖 〇 Ο [0021] 第2圖為本發明一實施例之電源測試控制電路1 06中示波 器通道控制單元162之電路結構圖。 [0022] 第3圖即為本發明之電源測試控制方法流程圖。 [0023] 【主要元件符號說明】 100~電源測試控制系統； [0024] 102~電子裝置； [0025] 104〜示波器； 100119128 表單編號A0101 第9頁/共17頁 1002032303-0 201241461 [0026] 1 0 6〜電源測試控制電路； [0027] 110〜電源供應器； [0028] 162〜示波器通道控制單元； 「0029] 164〜訊號傳輸界面； [0030] 166〜脈寬調變控制單元； [0031] 1 68〜電源供應器切換開關； [0032] 190〜訊號轉換單元； [0033] RL12A〜RL12D〜繼電器開關； [0034] RLA〜RLP~繼電器開關。 100119128 表單編號A0101 第10頁/共17頁 1002032303-0201241461 VI. Description of the Invention: * * Technical Field of the Invention [0001] The present invention relates to testing of a power supply, and more particularly to a circuit, system and method for automatically testing and controlling a power supply. [Previous Technology·Technology·] [0002] During the development and manufacturing of power supplies, they must be extensively tested and verified to ensure that the quality meets the customer's requirements. [0003] An oscilloscope is a commonly used electronic measuring instrument for testing a power supply. It can display the electrical characteristics of the time-varying signal output by the tested power supply in a 0-dimensional plane. However, a general oscilloscope only has two to four analog channels. When the number of output/input signals to be detected is large and the number of oscilloscope channels is limited, it is necessary to manually reconnect the different output/input signals of the power supply to Oscilloscope. There are many test items for the power supply. The conventional power supply test technology is carried out in a semi-automatic manner. In addition, the current test system does not allow the user to automatically control the power supply to be tested while testing. The input state of the device (for example, the address location of the product, the output state, etc.), so that the product test cannot be continuously performed, thereby making the test inefficient. [0004] Therefore, a circuit, system, or method that is highly efficient, automated, and capable of simultaneously integrating testing and control of a power supply is required by the industry. SUMMARY OF THE INVENTION [0005] The present invention provides a power supply test control system, including: an electronic device for providing a control signal; an oscilloscope having a first number of oscilloscope channels for displaying the oscilloscope channels received Signal Wave 100119128 Form No. A0101 Page 3 of 17 1002032303-0 201241461 Shape 'and-power test control circuit, (4) to the second number of power supply turn-off / input signals and the _ number of oscilloscopes aisle. The electronic device comprises: _ + oil potential, 3k non-boom channel control unit, for selecting, according to the control signal, the power output/input signal selectivity of the first power supply Secret, C electively) provides the first number of oscilloscope channels. [0006] [0009] [0009] 100119128 The present invention further provides a power supply control circuit, comprising: an oscilloscope channel control unit, _ the first number of oscilloscope channels and a second number of power supply outputs / Between the wheel signals, the power output/input signal of the second number of power supplies is selectively provided to the first number of oscilloscope channels according to the control of the control signals outputted by the electronic device. The invention further provides a power supply test control method comprising: providing a control signal; providing an oscilloscope, wherein the oscilloscope has a first-number of non-filter channels, a waveform of a signal received by the oscilloscope channel; and The control of the control signal provides selective supply of the power output/input signal of the second number of power supplies to the first number of oscilloscope channels. [Embodiment] Hereinafter, the preferred embodiment of the present invention will be described. The examples are intended to illustrate the principles of the invention, but are not intended to limit the invention. The scope of the invention is defined by the appended claims. Figure 1 is a schematic diagram of a power supply test control system in accordance with an embodiment of the present invention. The power test control system 1 of the present invention can be used to test and control the power supply 110 for automated power test purposes. For convenience of description form number A0101, page 4 / page 17 1002032303-0 201241461, in the following embodiments, the number of output/input signals of the power supply 110 of the ❹J is taken as an example of sixteen, but in other implementations. In the example, the invention is not limited thereto. [0011] As shown in FIG. 1, the power supply test control system 1 of the present invention includes an electronic device 102, an oscilloscope 104, and a power supply test control circuit. The electronic device 102 of the present invention, for example, can be a computer of various types having a human-machine interface for receiving commands from a user and providing a control signal. The oscilloscope 1〇4 of the present invention can be a conventional oscilloscope having a predetermined number of oscilloscope channels, and each oscilloscope channel can be used to display the waveform of the signal it receives. It must be noted that since a general oscilloscope has only two to four analog channels, an oscilloscope with four oscilloscope channels will be exemplified in the following embodiment. The power supply test control circuit 106 of the present invention is coupled between the sixteen output/input signals of the power supply and the four analog oscilloscope channels, and is connected to the electronic device 102 for control thereof. In a preferred embodiment, the power test control circuit 1 〇 6 of the present invention includes an oscilloscope channel control unit 162, a signal transmission interface 164, a pulse width modulation (PWM) control unit 166, and a plurality of The power supply input switches 16 8 . It is worth noting that the oscilloscope channel control unit 162 of the present invention has the function of expanding the number of channels of the oscilloscope 1 〇 4 to save the user the trouble of constantly reconnecting the oscilloscope, and achieve high efficiency test power supply 丨i 〇 purpose. The oscilloscope channel control unit 162 can selectively provide the sixteen power output/input signals of the power supply 11 to the above four 100119128 forms according to the control of the control signal output by the electronic device 102. No. A0101 Page 5 of 17 1002032303-0 201241461 Waveper Channels' allows the oscilloscope 104 to display and measure sixteen (or more) power supplies of the power supply port using only four oscilloscope channels The waveform of the wheel/input (eg voltage). [0012] Through the invention, the oscilloscope can display and measure various voltage or current waveforms of the power supply output/input, including DC voltage value, peak value of AC voltage, peak-to-peak value, voltage difference between power supply outputs, and timing difference. In this way, it is judged whether the climbing or falling voltage is smooth, whether there is a noise value or the like; in addition, in terms of timing, the voltage climbing time, the delay time when the power is turned on to the output, and the delay time after the power is turned off can be measured. 2 is a circuit configuration diagram of an oscilloscope channel control unit 162 in a power supply test control circuit 106 according to an embodiment of the present invention. In this embodiment, the oscilloscope channel control unit 1 62 includes a plurality of relay switch apertures 12 VIII to 1^121) and [?1^~1?1^. In Figure 2, the oscilloscope channels CH1 to CH4 represent the inputs of the actual oscilloscope 104; and the oscilloscope channels CH5 to CH20 in Figure 2 represent the sixteen output/input signals of the power supply under test. Among them, the relay switches RL12A~RL12D are used to control the on or off between four existing oscilloscope channels CH and CH4, which are used as voltmeters or oscilloscopes connected to a single channel at sixteen outputs/inputs. The relay switches RLA R RLP are respectively used to control sixteen new oscilloscope channels CH5 to CH20 which are extended by the oscilloscope channel control unit 162 of the present invention. The control signal transmitted by the electronic device 102 can indicate that the user wants to observe an output/input of the power supply on a certain channel of the oscilloscope, and the oscilloscope channel control unit 162 of the present invention can further decode the control signal and control the switch of the relay. RL12A~RL12D and RLA~RLP. In an embodiment, for example, the oscilloscope channel control 100119128 Form No. A0101 Page 6 / Total 17 Page 1002032303-0 201241461 Ο [0014] Unit 162 can use the time division multiplexing method to supply the power supply to the sixteenth of the HUG. A power supply output/input is provided in turn to the established four oscilloscope channels CHb CH4. In other embodiments, the invention is not limited thereto. Through the action of the relay switches, the oscilloscope channel control unit 162 of the present invention can achieve the effect of expanding the number of oscillating n1{)4 channels. It should be noted that although the oscilloscope channel control unit 162 of the present invention is described with the relay switch circuit of FIG. 2, it is believed that the appropriate circuit layout can be used to achieve the foregoing embodiments of the present invention. The functions and effects achieved are achieved. Therefore, the present invention is not limited to the circuit configuration shown in FIG. [0015] The plurality of power supply (4) switch 168_ of the present invention is connected between the electronic device 102 and the power supply (1), and can also be respectively turned on according to the control signal and _ the power supply wire 11 () Someone loses. In one embodiment, the power supply switch i 68 can also be composed of ___ (not shown) and turned on or off under the control of the control signal. Each of the relay switches may be, for example, a double pole double throw (2Ρ2Ό relay H. The power supply switch 168 helps the user of the present invention to eliminate the manual opening_action, so that the test becomes a series of books. The action of the action further enhances the effect of the test efficiency. The interface 164 is coupled between the electronic device 1〇2 and the power supply 110 to transmit the electronic device 2 and the power supply 110. In the embodiment, the signal transmission interface 164 of the present invention further includes a signal conversion unit 190 for converting the electronic device 1〇2 and the power supply! Signal format. For example, the control signal that the electronic device 1G2 rotates is based on the US electronic form number Α0101, page 7 / 17 pages, 1002032303-0 201241461 Industry Alliance (EIA), the interface standard for serial data communication, queue For example, the RS-232 standard, and the communication standard used by the tested power supply unit 110 may be in the format of I2C, SM Bus or PM Bus, the signal conversion unit 190 of the present invention can be used to transfer the above signals. Through the signal transmission interface 1 64, the user can detect and supply the power supply 110 with the oscilloscope 104, and can also communicate and control the power supply 110 with various communication standard signals. [0016] [0018] The pulse width modulation (PWM) control unit 166 of the present invention is also coupled between the electronic device 102 and the power supply 110. The power supply 11 can be controlled according to the control signal. The duty ratio of the pulse of the fan is widened. For example, the power supply 11 一般 is generally equipped with a fan (not shown) to adjust its temperature, and the speed of the fan is pulse width. The control of the modulation signal. When the duty ratio of the pulse width modulation signal is increased, the fan speed is increased; when the duty ratio of the pulse width modulation signal is lowered, the fan speed is decreased. The pulse width of the invention is improved. The modulation control unit 16 6 can easily observe the correspondence between the load of the power supply 11 与其 and its fan speed. With the power supply test control system 100 provided by the present invention, all and the power supply test and control The related operations can be further integrated, which is of great help to the automation of the test work. In addition to the aforementioned power test control system 1〇{), the present invention further provides a power supply J" control method. The power supply test control method of the present invention is used to test and control the power supply 100119128 output/input number is more than the oscilloscope channel application. The flow of the method is included. In step 3〇2, Providing a control signal; in step 3〇4, form number A0101, page 8 / page 17 1002032303-0 201241461 Ο [0019] An oscilloscope is provided, wherein the oscilloscope has a first number of oscilloscope channels for displaying the same a waveform of the signal received by the oscilloscope channel; and in step 306, the power output/input signal of the second number of power supplies is selectively provided to the first number according to the control of the control signal Oscilloscope channel. Since the power test control method of the present invention can be specifically implemented in the power test control system of FIG. 1 above, those skilled in the art can refer to the foregoing method for understanding the present invention, and thus the related embodiments of the method will not be described herein to save. space. The present invention has been described above with reference to the preferred embodiments thereof, and is not intended to limit the scope of the present invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a power supply test control system according to an embodiment of the invention. [0021] FIG. 2 is an oscilloscope channel control of a power supply test control circuit 106 in accordance with an embodiment of the present invention. Circuit diagram of unit 162. [0022] FIG. 3 is a flow chart of the power test control method of the present invention. [Description of main component symbols] 100~ power supply test control system; [0024] 102~ electronic device; [0025] 104~ oscilloscope; 100119128 form number A0101 page 9/total 17 page 1002032303-0 201241461 [0026] 1 0 6~ power test control circuit; [0027] 110~ power supply; [0028] 162~ oscilloscope channel control unit; "0029] 164~ signal transmission interface; [0030] 166~ pulse width modulation control unit; [0031 ] 1 68 ~ power supply switch; [0032] 190~ signal conversion unit; [0033] RL12A~RL12D~ relay switch; [0034] RLA~RLP~ relay switch. 100119128 Form No. A0101 Page 10 of 17 1002032303-0