201024757 九、發明說明： 【發明所屬之技術領域】 本發明係有關於一種「繼電器量測系統」，其俜設一且 繼電⑽動電路、無負載接點閉合/開路檢知電路:有負載 接點閉合/開路檢知電路、繼電器線 j ❹ /電壓感測電路之電路板與一具資料揭取卡、丄式 機介狀個人電腦相配合而形成—可整合繼電器多項量測 項目於夺-㈣线之設計，俾可協助企業在現有資源下 減少成本支出，得以完成繼電器之規格量測，以提升廠商 技術及產品競爭力。 【先前技術】 按’ 一般繼電器之外銷均被要求必須標示繼電器之電 氣及機械特性等規格，然一般小企業並無法設立經費龐大 之檢測實驗室來檢測繼電器規格，所以只能送交公營或民 營之檢測中心進行檢測而需另外負擔檢驗費用，造成企業 成本提高’而需購買市面能測量繼電器或機械規格的儀器 ❹進行檢測，但目前市面上所販售之儀器不僅售價昂貴且大 多為單項目而只能量測合作廠商所需測量之部分規格’並 無法全面檢測，以致對小企業而言不僅不實用也是造成企 業成本的損失’更無法在嚴苛之競爭環境下有效提升自身 之競爭力。 又，按台灣專利公告號第1249174號的「用於測試繼 電器之量測裝置」，其係包括：一電源組、一訊號產生器及 一訊號波型量測器，於電源組一端接設一電壓訊號與繼電 器所設之一線圈形成第一端點，訊號產生器並產生一輸入 5 201024757 訊號至該線圈形成第二端點，故訊號波型量測器得以取得 該線圈第二端點所輸入之波形，以判斷該繼電器是否正 常，唯上述功能僅用於測試繼電器之好壞與是否符合規 . 格，並未檢測相關數據，仍不符小企業所需之目的。 本發明人有鑑於此，即本著創作之精神，乃思及製程 及裝設之方法創作而不斷地試驗製程方法及製品，經由多 次試驗及多年經驗，而有改進現今缺失之本創作，進而提 出本發明。 Λ 【發明内容】 本發明之主要目的，乃在提供一種繼電器量測系統， 其係於一電路板上分別設有一繼電器驅動電路、一無負載 接點閉合/開路檢知電路、一有負載接點閉合/開路檢知電 路及一繼電器線圈損壞檢知電路與一具資料裸取卡、量測 程式及人機介面之個人電腦相配合而整合成一可供繼電器 量測機械壽命、電器壽命、啟電或釋放時之電壓、啟動或 釋放之時間及接點壓降或接電電阻等項目之量測系統，俾 Φ可有效降低傳統繼電器量測上所需的龐大送檢費用及送檢 時間，進而提升公司產品之競爭力。 本發明之次要目的，乃在提供一種繼電器量測系統， 其利用該電路板及程式之設計，使得待測繼電器於量測機 械（接點）壽命時，可於無載狀況下同時量測5個，於有載 狀况下可同時量測2個，以提升效率及達最佳使用狀態。 【實施方式】 餘下’魏合圖式詳細說明本發明之最佳實施例如后： —圖所不係為本發明之系統架構圖，其主要係於一電 6 201024757 路板（10)上分別設有一繼電器驅動電路（11)、一無負载接 點閉合/開路檢知電路（12)、一有負載接點閉合/開路檢知 電路（13)、一繼電器線圈損壞檢知電路（14)及一具霍爾電 • 流感測元件之電流/電壓感測電路（16)與一待測繼電器（2〇) 、 之接點相接通與一具資料擷取卡（30)及LaBVIEW軟體之個 人電腦（40)相配合以撰寫量測程式及人機介面（41)之設定 而形成一控制迴路以供進行該待測繼電器（2〇)之機械壽 命、電器壽命、啟電電壓/釋放電壓、啟電時間/釋放時間 Φ及接點壓降/接電電阻之量測，使得所量測之數據可透過資 料擷取卡（30)及個人電腦（40)之量測程式之運算而顯示於 一人機介面（41)上，其中個人電腦（40)所顯示之人機介面 (41，如第二圖所示）由左至右、由上而下依序設有機械壽 命量測（411)、電器壽命量測（412)、啟電電壓量測（413)、 釋放電壓量測（414)、啟電時間量測（415)、釋放時間量測 (416)、接點壓降/接電電阻量測（417)等量測項目，於各量 測項目皆有燈號顯示（418)，當燈號顯示（418)亮時表示該 ©量測項目進行中，滅為量測完畢，且於右上方分別設有— 為選擇測量測項目之下拉式選單（401)、一開始按鈕 (402)、一開始量測燈號（403)及一量測完畢燈號（404)以供 操作。 - 以下分別就待測繼電器（20)之機械壽命、電器壽命、 啟動電壓、釋放電壓、啟動時間、釋放時間、接點壓降及 接電電阻的量測方法說明如下： 繼電器之機械壽命是指機械接點分別在無載及有載情 況下可以開關的次數，無論繼電器之機械接點無載/有載狀 況如何，只要繼電器線圈處於激磁狀態而a接點卻開路或 7 201024757 繼電器線圈處於失磁狀態而a接點卻閉合任一狀況發生， 即判定機械接點已故障，利用此原理，本發明以電路板 (10 ’請同時參考第三圖）之繼電器驅動電路（11)、無負載 接點閉合/開路檢知電路（12)及有負載接點閉合/開路檢知 電路（13)與資料擷取卡（30)之DI/D0(Digital Output/Digital Input)相結合以達成機械壽命量測’而可 藉由資料擷取卡（30，請同時參考第四圖）之D0點送出邏輯 0/1以控制待測繼電器（2〇)之啟電/釋放，1)〇點送 出’’ On-Off”週期信號，待測繼電器（2〇)接點之開路/閉合 隨即經由無負載接點閉合/開路檢知電路（12)及有負载接 點閉合/開路檢知電路（13)後送至資料擷取卡（3〇)之DI 點，此DI點之信號代表待測繼電器（2〇)之開路/閉合狀態， 此信號會送至資料擷取卡（3〇)之計數器以計數接點閉合次 數（以待測繼電器（2 0 )之接點開閉一次為一個開閉週期 (On-Off Cycle)產生一個計算值加一的數據而進行累計）， 待資料擷取卡（30)所送出《控制訊號與有/無負載接點閉 合/開路檢知電路（12)所讀取之訊號不符時，即會判定該待 測繼電器（20)之接點已故障並透過資料擁取卡（3〇)將量測 所得之累計數據顯示於人機介面（41)之機械壽命量測（411) 攔位上及存檔後，即關閉燈號顯示（418)以結束該待測繼電 器（20)機械壽命的㈣，且錢進行有錢械壽命量測或 無載機械壽命量測（即接點有否通過負載電流），其量測方 法均與上述相同，差別只須藉由資料擷取卡f3〇)之'另一 D〇 點接設-負載切換電路（15)即可控制該待測繼€器（2〇)) 接點有否接上負載迴路。 繼電器之電器壽命判定方法是指繼電器線圈可承受之 8 201024757 啟動/停止次數，當DO點送出邏輯〇時而繼電器線圈沒激 磁或者D0點送出邏輯1時而繼電器線圈沒處於失磁狀態任 何一狀況發生即判定繼電器線圈損壞，根據此原理，本發 * 明以電路板（10，請同時參考第五圖）之繼電器線圈損壞檢 知電路（14)及繼電器驅動電路（π)與資料擷取卡（3〇)之 DI /D0點做結合以達成電器壽命量測，而可藉由資料操取卡 (30，請同時參考第六圖）之D0點送出邏輯〇/1以控制待測 繼電器（20)線圈激磁/閉合，線圈的激磁/失磁隨即經由繼 ❹電器線圈損壞檢知電路（14)檢知後送到資料擷取卡（3〇)之 DI點，DI點之訊號代表待測繼電器（2〇)線圈激磁與否，此 信號再經由資料擷取卡（3〇)之計數器計數其開合次數即為 電器壽命（以待測繼電器（2〇)之線圈開閉一次為一個開閉 週期（0n-0ff Cycle)產生一個計算值加一的數據而進行累 汁）’待資料擷取卡（30)所送出之控制訊號與繼電 器線圈損 €檢知·(14)所讀取之訊號不符時’即會判定該待測繼 電器（20)之線圈已故障並透過資料操取卡（3〇)將量測所得 ❹之累計數據顯示於人機介面⑷）之電器壽命量測⑷2)棚 位上及存;^灸即關閉燈號顯示（“8)以結束該待測繼電器 (20)電器壽命的量測。 :繼電器之啟電/釋玫電壓是指會使繼電201024757 IX. Description of the invention: [Technical field of the invention] The present invention relates to a "relay measurement system", which is provided with a relay (10) dynamic circuit, no load contact closure/open circuit detection circuit: load The contact closure/open circuit detection circuit, the circuit board of the relay line j ❹ / voltage sensing circuit are formed in cooperation with a data extraction card and a 机-type computer-like personal computer - an integrated relay measurement project can be integrated - (4) The design of the line can help the company to reduce costs and expenses under the existing resources, and complete the specification measurement of the relay to enhance the competitiveness of the manufacturer's technology and products. [Prior Art] Press 'General relays are required to indicate the electrical and mechanical characteristics of the relays. However, small enterprises cannot set up a large testing laboratory to detect relay specifications, so they can only be sent to public or private companies. The testing center needs to bear the cost of inspection, which will increase the cost of the enterprise. It is necessary to purchase instruments that can measure relays or mechanical specifications in the market. However, the instruments sold on the market are not only expensive but mostly single. The project can only measure part of the specifications required by the partner manufacturers' and cannot be fully tested, so that it is not only impractical for small enterprises but also causes the loss of enterprise costs. It is impossible to effectively enhance their competition in a harsh competitive environment. force. In addition, the "Measurement Device for Testing Relays" of Taiwan Patent Publication No. 1249174 includes: a power supply group, a signal generator, and a signal waveform measuring device, which are connected to one end of the power supply group. The voltage signal and one of the coils of the relay form a first end point, and the signal generator generates an input 5 201024757 signal to the coil to form a second end point, so that the signal waveform measuring device can obtain the second end point of the coil The waveform is input to judge whether the relay is normal. Only the above functions are only used to test whether the relay is in good or bad and conform to the specifications. The relevant data is not detected, and it still does not meet the needs of small enterprises. The present inventors have continually tested the process methods and products in the spirit of creation, in the spirit of creation, and in the creation of methods and installation methods. Through numerous experiments and years of experience, the present invention has been improved. The present invention has been further proposed. SUMMARY OF THE INVENTION The main object of the present invention is to provide a relay measuring system, which is provided with a relay driving circuit, a no-load contact closing/open circuit detecting circuit, and a load connection on a circuit board. The point closure/open circuit detection circuit and a relay coil damage detection circuit are integrated with a personal computer with data bare card, measurement program and human-machine interface to integrate the relay to measure the mechanical life, electrical life, and start The measurement system of the voltage, the time of starting or releasing, the voltage drop of the contact or the resistance of the connection, etc., 俾Φ can effectively reduce the huge inspection cost and inspection time required for the traditional relay measurement. In turn, enhance the competitiveness of the company's products. A secondary object of the present invention is to provide a relay measuring system which utilizes the design of the circuit board and the program so that the relay to be tested can simultaneously measure under the condition of no load when measuring the life of the mechanical (contact). 5, can measure 2 at the same time under load conditions to improve efficiency and achieve optimal use. [Embodiment] The following is a detailed description of the preferred embodiment of the present invention. For example, the following is a system architecture diagram of the present invention, which is mainly provided with a relay on a circuit board (10) of a power supply 6 201024757. Drive circuit (11), a no-load contact closure/open circuit detection circuit (12), a load contact closure/open circuit detection circuit (13), a relay coil damage detection circuit (14), and a The current/voltage sensing circuit (16) of the Influenza measuring component is connected to a relay to be tested (2〇), a data acquisition card (30) and a personal computer of the LaBVIEW software (40) Cooperating with the setting of the measurement program and the man-machine interface (41) to form a control loop for performing the mechanical life, electrical life, power-on voltage/release voltage, and power-on time of the relay to be tested (2〇) /release time Φ and contact voltage drop / resistance measurement, so that the measured data can be displayed in a human machine interface through the calculation of the data capture card (30) and the personal computer (40) (41) on which the personal computer (40) displays The man-machine interface (41, as shown in the second figure) is provided with mechanical life measurement (411), electrical life measurement (412), and power-on voltage measurement (413) from left to right and from top to bottom. , release voltage measurement (414), power-on time measurement (415), release time measurement (416), contact voltage drop / resistance measurement (417) and other measurement items, in all measurement items There is a light display (418). When the light display (418) is on, it indicates that the © measurement item is in progress, the off is the measurement completed, and is set on the upper right side respectively - to select the measurement item below the pull menu ( 401), a start button (402), a start measurement signal number (403), and a measurement completion light number (404) for operation. - The following describes the mechanical life, electrical life, starting voltage, release voltage, starting time, release time, contact voltage drop and electrical resistance of the relay to be tested (20) as follows: The mechanical life of the relay refers to The number of times the mechanical contacts can be switched under no-load and load conditions, regardless of the mechanical contact of the relay without load/load condition, as long as the relay coil is in the excited state and the a contact is open or 7 201024757 The relay coil is lost. The magnetic state and the a contact are closed, any condition occurs, that is, it is determined that the mechanical contact has failed. With this principle, the present invention uses the relay circuit (11) of the circuit board (10 'please refer to the third figure at the same time), no load The contact closure/open circuit detection circuit (12) and the load contact closure/open circuit detection circuit (13) are combined with the DI/D0 (Digital Output/Digital Input) of the data capture card (30) to achieve mechanical life. Measure ' and can use the data capture card (30, please refer to the fourth figure at the same time) D0 point to send logic 0/1 to control the start / release of the relay (2 〇) to be tested, 1) 送 point to send ' ' On-O Ff" cycle signal, the open/closed contact of the relay to be tested (2〇) is then sent to the no-load contact closure/open circuit detection circuit (12) and the load contact closure/open circuit detection circuit (13) The data captures the DI point of the card (3〇). The signal of this DI point represents the open/closed state of the relay to be tested (2〇). This signal is sent to the counter of the data capture card (3〇) to count the contacts. The number of times of closing (accumulates the contact of the relay (2 0 ) to be tested for one on-off cycle to generate a calculated value plus one), and the data acquisition card (30) is sent out. When the control signal does not match the signal read by the presence/absence of the contact closure/open circuit detection circuit (12), it is determined that the contact of the relay to be tested (20) has failed and passes through the data acquisition card (3〇 The cumulative data obtained by the measurement is displayed on the mechanical life measurement (411) of the human machine interface (41) and after the archive, the light display (418) is turned off to end the mechanical life of the relay (20) to be tested. (4), and the money is carried out with a valuable mechanical life measurement or no-load mechanical life measurement (ie, Whether or not the load current is passed, the measurement method is the same as above, and the difference can be controlled only by the data acquisition card f3〇) 'other D〇 point connection-load switching circuit (15) According to the device (2〇), whether the contact is connected to the load circuit. The relay life evaluation method refers to the number of start/stop times that the relay coil can withstand. When the DO point sends out the logic, the relay coil is not excited or When the D0 point sends out logic 1 and the relay coil is not in the state of demagnetization, it is determined that the relay coil is damaged. According to this principle, the relay coil of the circuit board (10, please refer to the fifth figure at the same time) is damaged. Knowing the circuit (14) and the relay drive circuit (π) combined with the DI / D0 point of the data capture card (3〇) to achieve the life measurement of the appliance, and the data can be obtained by the data (30, please refer to the same At the D0 point of Fig. 6), the logic 〇/1 is sent to control the coil (20) of the relay to be tested to be excited/closed, and the excitation/demagnetization of the coil is then sent to the data via the secondary coil damage detection circuit (14). Pick up the card (3〇) of the DI The signal of the DI point represents the excitation of the relay to be tested (2〇), and the signal is counted by the counter of the data capture card (3〇). The number of times of opening and closing is the life of the appliance (for the relay to be tested (2〇) The coil is opened and closed once for an open/close cycle (0n-0ff Cycle) to generate a calculated value plus one data for the juice) "The control signal sent by the data capture card (30) and the relay coil loss detection" ( 14) When the signal read does not match, it will be determined that the coil of the relay to be tested (20) has failed and the accumulated data of the measured 显示 is displayed in the human-machine interface (4) through the data acquisition card (3〇). Electrical life measurement (4) 2) On the shed, and the moxibustion will turn off the light display ("8) to end the measurement of the electrical life of the relay (20) to be tested. : The relay's power-on/release voltage means that the relay will be relayed.
Is線圈激磁的 值/會使繼電器線圈失磁的最低電壓值，藉由由大 以及由小到大漸增之電壓加於繼電器線圈’直到 繼電器線圈激磁/失磁^卩产 ,,po^ ^ 磁即停止增加/減少電壓，此時的電壓 值即判足為起電電壓/經 ,1Λ 电魘/釋玫電壓，利用此原理，本發明以電 门/ns ♦祖 令$第七圖）之繼電器線圈損壞檢知電路 ()及繼電_動電路（11)與資料擷取卡⑽之D(KPWM訊 9 201024757 魯 Ο 號輸出）/DI結合以達成繼電器啟電/釋放電壓量測，而 由資料操取卡⑽，請同時參考第人圖）之⑻點送出脈^ 度調變（PWM)訊號’送出脈波之貴任週期愈大，加在繼= 線圈二端之平均電壓愈大，繼電器線圈激磁/失磁之訊= 即經由繼電器線圈損壞檢知電路（14)檢知後送到資科二隨 卡（30)之DI點，DI點之訊號即代表繼電器線圈激磁與取 且反覆不停地掃描DI點，以便於正確的時_蚊出、成 的啟電電壓或釋放電壓並透過資料擷取卡（3〇)將量測所= 之數據顯示於人機介面（41)之啟電電壓量測（413)或: 電壓量測（414)之攔位上及存檔後，燈號顯示（418)自 閉即結束該待測繼電器（2〇)啟電/釋放電壓的量測。關 繼電器之啟電/釋放時間是指繼電器驅動電路推 電器至接點第一次閉合/開路的時間，當輸入一邏輯〇/1 繼電器驅動電路而使繼電器線圈激磁/失磁時，同時啟= 時器開始計時，待繼電器之接點第—次閉合/開路時，j 計時器計時，此時之計時值即判定為啟電/釋放時間，^ 此原理，本發明以電路板（1G，請同時參考第九圖）之 器機械接點開路/閉合檢知電路及繼電器驅動電路（1 貝料擷取卡（30)之DI/D0點結合以達成繼電器啟電/釋放^ 間量測，而可藉由資料擷取卡（3〇，請同時參考第十圖. D〇點送出邏輯〇/1以控制待測繼電器（2〇)線圈激磁/ = 磁，在送出控制訊號後隨即啟動計時器開始計時，待 電器（20)線圈激磁/失磁狀態隨即經由繼電器機械接點門 路/閉合檢知電路檢知後送到資料擷取卡（3〇)之點开 所計時的值扣除電子電路之延遲時間即為啟電時間/ 2 時間並透過資制取卡⑽將量測所得之數據顯示於人機 201024757 介面（41)之啟電時間量測（415)或釋放時間量測（416)攔位 上及存檔後，燈號顯示（418)自動關閉即結束該待測繼電器 (20)啟電/釋放時間的量測。The value of the Is coil excitation / the lowest voltage value that will demagnetize the relay coil, by adding the voltage from the large and small to the increasing voltage to the relay coil ' until the relay coil is excited / demagnetized ^, ^ ^ The magnetic stop stops increasing/decreasing the voltage. At this time, the voltage value is judged as the electrification voltage/pass, 1Λ electric/release voltage. Using this principle, the present invention uses the electric gate/ns ♦ 祖令 $7) The relay coil damage detection circuit () and the relay_dynamic circuit (11) are combined with the data capture card (10) D (KPWM signal 9 201024757 Lu Hao output) / DI to achieve the relay power-on/release voltage measurement, For the data acquisition card (10), please refer to the (8) point of the first person). (8) Send out the pulse modulation (PWM) signal. The larger the noble period of sending the pulse, the more the average voltage is added to the second end of the coil. Large, relay coil excitation / loss of power = that is, through the relay coil damage detection circuit (14) detected and sent to the DI point of the credit card (30), the signal of the DI point represents the relay coil excitation and take And repeatedly scan the DI point so that the correct time _ mosquitoes, the starting voltage or Put the voltage and display the data of the measurement = by the data capture card (3〇) on the power-on voltage measurement (413) of the human-machine interface (41) or: the voltage measurement (414) and the archive After that, the light display (418) ends the measurement of the power-on/release voltage of the relay (2〇) to be tested. The power-on/release time of the relay is the time when the relay drive circuit pushes the appliance to the first closing/opening of the contact. When a logic 〇/1 relay drive circuit is input and the relay coil is excited/demagnetized, simultaneously start = When the timing of the relay is first closed/opened, the j timer is counted, and the timing value is judged as the power-on/release time. ^ This principle, the present invention uses a circuit board (1G, please At the same time, refer to the ninth diagram of the mechanical contact open/close detection circuit and the relay drive circuit (1 DI/D0 point of the material pick-up card (30) combined to achieve the relay power-on/release measurement, and The card can be retrieved by means of data (3〇, please refer to the tenth figure at the same time. D〇 point sends out the logic 〇/1 to control the relay to be tested (2〇) coil excitation / = magnetic, and then start the timer after sending the control signal Start timing, wait for the electrical (20) coil excitation / demagnetization state, then pass the relay mechanical contact door / closure detection circuit to detect the value sent to the data capture card (3 〇) point to open the value of the time deducted electronic circuit The delay time is the power-on time / 2 And the data obtained by the system is displayed on the power-on time measurement (415) or release time measurement (416) of the man-machine 201024757 interface (41) and the file is displayed after the archive is displayed. (418) The automatic shutdown closes the measurement of the start/release time of the relay (20) to be tested.
接點壓降是指繼電器接點於額定電流下閉合時，於待 測繼電器接點所量測得到之電壓，而接點電阻為接點壓降 與流過接點電流的相除值。當繼電器接點閉合時，會因為 接點本身的電阻而產生壓降，再與透過霍爾電流感測元件 所量測到的電流值相除，此時的電壓與電阻值即判定為接 點電壓與接點電阻。利用此原理，本發明以電路板（1〇，請 同時參考第十一圖）之有負載接點閉合/開路檢知電路 (13)、繼電器驅動電路（11)及具霍爾電流感測元件之電流〆 電Μ感測電路（16)與資料擷取卡（3〇)之ΑΙ/DO點做結合以 達成接點壓降/接電電阻量測，而可藉由資料擷取卡（30， 請同時參考第十二圖）之D〇點送出邏輯1之訊號，使得待 測繼電器（2〇)激磁且接點閉合，此時等待操作者調整電源 =壓或負載電阻值直到待測繼電器（2〇)接點電流為額定電 流，再經由電流感測元件及資料擷取卡（30)之AI點通道讀 入電壓與電流值，並透過資料擷取卡（30)將量測所得之接 垃番降值及接點電阻值顯示於人機介面（41)之接點壓降/ 量測（417)攔位上及存檔後，燈號顯示（418)自動 束該待測繼電器（2〇)接點壓降/接電電阻的量測。 且本發=於=Γ具有產業上利用性與進步性， 二十-條2 刊物，亦具新穎性，當符合專利法第 熟妹一十二條之規定，爰依法提出發明專利申請， …月貝審查委員惠准專利為禱。 、上所述者，僅為本發明之其中較佳實施例而已， 201024757 當不能以之限定本發明實施之範圍；即大凡依本發明申請 專利範圍所作之均等變化與修飾，皆應仍屬本發明專利涵 蓋之範圍内。 . 【圖式簡單說明】 第一圖：係為本發明之系統架構圖。 第二圖：係為本發明之人機介面各量測項目之配置圖。 第三圖：係為本發明之機械壽命量測方塊圖。 ❿第四圖：係為本發明之機械壽命量測程式流程圖。 第五圖··係為本發明之電器壽命量測方塊圖。 第六圖：係為本發明之電器壽命量測程式流程圖。 第七圖：係為本發明之啟電/釋放電壓量測方塊圖。 第八圖：係為本發明之啟電/釋放電壓量測程式流程圖。 第九圖：係為本發明之啟動/釋放時間量測方塊圖。 第十圖：係為本發明之啟動/釋放時間量測程式流程圖。 第十一圖：係為本發明之接點壓降量測方塊圖。 Φ 第十二圖：係為本發明之接點壓降量測程式流程圖。 【主要元件符號說明】 10 ......電路板 11 繼電器驅動電路 12……無負載接點閉合/開路檢知電路 13……有負載接點閉合/開路檢知電路 14……繼電器線圈損壞檢知電路 15……負載切換電路 12 201024757 16···· ••電流/電壓感測電路 20···· ••待測繼電器 30···· ••資料擷取卡 . 4 卜·. ••人機介面 40···· ••個人電腦 411- •…機械寿命罝測 412- •…電器壽命量測 413- •…啟電電壓量測 414·. Ο •…釋放電壓量測 415" •…啟電時間量測 416“ •…釋放時間量測 417.· •…接點壓降/接電電阻量測 418" …·燈號顯示 401·· …·下拉式選單 402- …·開始按鈕 403" •…開始量測燈號 404·· φ •…量測完畢燈號 13The contact voltage drop refers to the voltage measured at the contact of the relay to be tested when the relay contact is closed at the rated current, and the contact resistance is the division value of the contact voltage drop and the current flowing through the contact. When the relay contact is closed, the voltage drop will be generated due to the resistance of the contact itself, and then divided by the current value measured by the Hall current sensing element. The voltage and resistance value at this time are determined as the contact point. Voltage and contact resistance. Using this principle, the present invention has a load contact closure/open circuit detection circuit (13), a relay drive circuit (11) and a Hall current sensing element on a circuit board (1, please also refer to FIG. 11). The current 〆 electric Μ sensing circuit (16) is combined with the 撷/DO point of the data capture card (3 〇) to achieve the contact voltage drop/electrical resistance measurement, and the data can be captured by the data (30) Please also refer to the signal of logic 1 at point D of the twelfth figure), so that the relay to be tested (2〇) is energized and the contacts are closed. At this time, wait for the operator to adjust the power supply=voltage or load resistance value until the relay to be tested (2〇) The contact current is the rated current, and the voltage and current values are read through the AI point channel of the current sensing component and the data capture card (30), and the measured value is obtained through the data capture card (30). The value of the drop and the resistance of the contact are displayed on the contact voltage drop/measurement (417) of the man-machine interface (41) and after the archive, the light display (418) automatically bundles the relay to be tested (2) 〇) Measurement of contact voltage drop/electrical resistance. And this hair = Yu = Γ has industrial applicability and progress, 20 - Article 2 publications, also novelty, when complying with the provisions of Article 12 of the patent law, 爰 ... The Yuebei Review Committee Huibian patent is a prayer. The above is only the preferred embodiment of the present invention, and 201024757 is not intended to limit the scope of the present invention; that is, the equal variation and modification of the scope of the patent application of the present invention should still belong to the present invention. Within the scope of the invention patent. [Simple description of the diagram] The first diagram is the system architecture diagram of the present invention. The second figure is a configuration diagram of various measurement items of the human-machine interface of the present invention. The third figure is a block diagram of the mechanical life measurement of the present invention. ❿The fourth figure is a flow chart of the mechanical life measurement program of the present invention. The fifth figure is a block diagram of the electrical life measurement of the present invention. Figure 6 is a flow chart of the electrical life measurement program of the present invention. Figure 7 is a block diagram of the power-on/release voltage measurement of the present invention. Figure 8 is a flow chart of the power-on/release voltage measurement program of the present invention. Figure 9 is a block diagram of the start/release time measurement of the present invention. Figure 10 is a flow chart of the start/release time measurement program of the present invention. Figure 11 is a block diagram of the contact pressure drop measurement of the present invention. Φ Twelfth figure: It is the flow chart of the contact pressure drop measurement program of the present invention. [Main component symbol description] 10 ... Circuit board 11 Relay drive circuit 12 ... No load contact closure / Open circuit detection circuit 13 ... Load contact closure / Open circuit detection circuit 14 ... Relay coil Damage detection circuit 15... Load switching circuit 12 201024757 16····•• Current/voltage sensing circuit 20····••Responsible relay 30···· •• Data capture card. 4 Bu· ••Human Machine Interface 40···· •• PC 411- •...Mechanical Life Test 412- •...Electrical Life Measurement 413- •...Start Voltage Measurement 414·. Ο •... Release Voltage Measurement 415" •...Starting time measurement 416" •...release time measurement 417.·......contact voltage drop/electrical resistance measurement 418" ...·light display 401··...drop-down menu 402- ... ·Start button 403" •...Start measurement lamp number 404·· φ •...Measurement completion lamp number 13