1357983 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種積體電路之檢測治具結構，尤指一 種可用於檢測積體電路之射頻（RF )數位訊號之檢測治具 者0 疋刖技術 按’—般傳統之積體電路的檢測治具，例如：中華民 國發明專利公告第2GG6121G2號專利，其揭露有：導電損 件，具有適合安裝於設有檢驗電路之電路板上之第一表面 :以及適合與欲檢驗之裝置相對之第二表面，該導電構件 係形成有具有第一直徑第一 ^ ^ ± 且 < 之第貝穿孔，該第一貫穿孔係將 " 面與該第二表面連通；接觸式探針 第二直徑之管狀本體，該第二直編第*二、有 柱塞，其係可縮回地…狀2 “小、以及 件，形成有第二貫穿孔' 本體之一端凸出；第-保持 相對，將該第與該導電構件之第二表面 探針保持於嗲孔與第二貫穿孔連通’使得該接觸式 -端凸出二Τ’同時只有柱塞從該第二貫穿孔之 端與該第保持件，適合保持該管狀本體之一 RF )數位信號之^孔同〜、’俾可用於檢測積體電路之射頻（ 雜訊影響。 並執行向可靠度之檢測而不會受到 惟’該習知穑 測而不會受 檢測治具雖可執行高可靠度之檢 雜訊影響，但是其係由第-保持件、第二保 1357983 持件及導電構件構成主體，導致主體結構複雜、接觸式探 針不易安裝，而且其硬質金屬製之導電構件對於諸多細長 密佈之貫穿孔的鑽設極為不易，其整體製作不易而成本高 ’非常不便利。 【發明内容】 發明人有鏗於前述先前技術中習知積體電路檢測治 具的缺點，而提供本發明積體電路之檢測治具結構，以期 能摒除先前技術所產生的缺失。 本發明之一目的，係提供一種積體電路之檢測治具結 構，以用於檢測積體電路之射頻（RF)數位訊號，而且構 造簡單、製作容易、成本低廉。 根據上述之目的，本發明之檢測治具結構，包含有由 一上絶緣本體與一下絕緣本體所組成的一組絕緣本體，該 上、下本體受一由上固定蓋體與下固定蓋體所組成的一組 固定蓋體夾固於其間，並使上本體的頂面及下本體的底面 凸露出來；該上、下本體在對應待檢測物的位置上，設有 夕數個貫穿孔’該等貫穿孔分別安裝電源探針、訊號探針 及接地探針；其中，安裝訊號探針與接地探針的貫穿孔各 鍍設有金屬導電層。使用時，可將本體的一面與一檢測機 具的檢測電路板相接，使電源探針、訊號探針及接地探針 的端與檢測電路板相對應的檢測電路電氣連接；再將待 檢測物安裝於本體的另一面，使待檢測物的電源插腳、訊 號插腳及接地插腳分別與電源探針、訊號探針及接地探針 1357983 :另-端電氣連接。如此，待檢測物即能藉由本發 =具與檢測電路電氣連接，而進行射頻（ 2氣檢測作業’並達成檢測治具構造簡單、製作容易: 成本低廉之目的。 【實施方式】 有關本發明之前述及立仙枯供^ 久兴他技術内谷、特點與功效，在 • 以下配合參考圖式之二個較佳眚絲备丨气& ^ 口平乂住貫轭例砰細說明當中， 清楚的呈現。 第1圖至第5圖分別繪示本發明結構第一較佳實施例 之立體圖、分解圖、部份分解放大圖、剖面圖及部份剖面 放大圖。 如該等圖式所示，本發明之檢測治具，包含有一組絕 緣本體1、一組固定蓋體5、多數個電源探針2、多數個訊 號探針3、以及多數個接地探針4。 Φ 絕緣本體1包括一絕緣上本體la與一絕緣下本體lb， 其相互組合在一起。該上、下本體la、113在對應待檢測物 之積體電路（未圖示）的位置上，設有多數個電源貫穿孔u 、多數個訊號貫穿孔1 2及多數個接地貫穿孔丨3 ;該等貫穿 孔11、1 2、1 3分別安裝電源探針2、訊號探針3及接地探針 4 ’且各貫穿礼的内徑分別大於各探針的外徑。 訊號貫穿孔12的内壁鍍設有一第二金屬導電層14,使 得訊號貫穿孔12形成天然的電磁波遮蔽體，避免對訊號探 針2訊號傳遞上的干擾。接地貫穿孔13的内壁及外表面則 1357983 设有一第三金屬導電層15，以與接地探針4相互電氣連接 ，形成可導電的接地迴路。 本體1以絕緣材質製成，再於必要的位置鍍上金屬導 電層；其非為一體的金屬材質。此種結構，除了可降低材 質成本之外，尤其，其本體丨可選自例如塑膠的絕緣材料 ’此種材質在實施諸多貫穿孔u、12、13的設置上較為簡 易因此，本發明之本體】，在施作上，具有材料成本低 及對於貫穿孔易於製作的優點。 又由於上述諸貫穿孔係呈矩陣密佈，且具有一定的長 度，該諸多密佈的貫穿孔由其上端至下端仍要維持精準的 軸向位置係極其不易。而本發明將本體】分成上本體^與 下本體lb再予組合，此種結構，可將各貫穿孔的長度先予 減短再予接長成所要求的長度；其分別對於較短長度之貫 t孔的設置，可以獲得較為精準的效果。因此依據本發明 此種結構，對於諸貫穿孔11、12、13可以鞾ft ϋ 軸向位置。 町為精準的 對於上、下本體13、lb的組合，其可行的方式之—係 ，於上本體13的底面形成有一U形底凹口 16a， 二 的頂面則形成有一 U形頂凹口 16b，再將兩者上下最置並交 錯銜合而組設在一起。亦即：乂 與下本體1b，再將其反置組合即可。I、形成上本體la =述固定蓋體5包括一上固定蓋體5瞒一下固定蓋體 卜其分別組設於上、下本體la、lb的上、下方，“ 、下本體夾固於該上、下固定蓋體之間，並使上本體二 1357983 的頂面及下本體lb的底面凸露出來β 對於固定蓋體5與本體1間的組合，其可行的方式之一 係，於上、下固定蓋體5a、5b分別設有一第一框口 51&與 一第二框口 51b，而上、下本體la、lb的外周分別形成有 一第一擋緣17a與一第二擋緣17b;上、下固定蓋體以其第 一、第二框口 51a、51b分別套組於上、下本體，並分別擋 抵於該第一、第二擋緣丨7a、丨7b，再以二個第一螺絲52 鲁 將上、下固定蓋體5a、5b鎖固為一體。藉著固定蓋體1可 將該固定蓋體連同本體1固定於下述的檢測電路板6。 上述電源探針2的上、下端分別設有可彈性向外凸出 或向内縮入之一電源上針頭21與一電源下針頭22;在實施 上，該電源上、針頭之間套設有一第一導電彈簧23，使得 該電源上、下針頭21、22的外端部可彈性凸出或縮入於電 源貫穿孔11。電源貫穿孔〗丨的上、下端各設有口徑較小的 電源探針孔口 1 la，而電源上、下針頭21、22的外端部係 _ 位於該電源探針孔口 11 a。電源探針2乃與本體1相互電氣 絕緣。 上述訊號探針3設有一金屬管35，在該金屬管35之管 内的上、下端分別設有可彈性向外凸出或向内縮入之一訊 號上針頭31與一訊號下針頭32;在實施上，該訊號上、下 針頭之間套設有一第二導電彈簧33，使得該等訊號上、下 針頭31、32的外端部可彈性凸出或縮入於訊號貫穿孔12 。訊號上、下針頭31、32各套設有一絕緣固定座34，該等 絕緣固定座34並分別固設於訊號貫穿孔1 2的上、下端孔口 1357983 ’使訊號探針3與本體1相互電氣絕緣，而在訊號貫穿孔12 内的訊號探針3則以空氣與本體！保持絕緣。 接地探針4的上、下端分別設有可彈性向外凸出或向 内縮入之一接地上針頭41與一接地下針頭42;在實施上， 該接地上、下接頭之間套設有一第三導電彈簧43，使得該 接地上、下針頭41 ' 42的外端部可彈性凸出或縮入於接地 貝穿孔1 3。接地貫穿孔1 3的上、下端各設有口徑較小的接 地探針孔口 13a，而接地上、下針頭41、42的外端部係位 於該接地探針孔口 1 3a，並與其電氣連接❶依此，接地探 針4乃與接地貫穿孔13内的第三金屬導電層15接觸而電氣 連接’而形成可導電之接地迴路。 明參閱第3圖及第5圖所示，電源上、下針頭21、22 各設有一外徑較大的第一擋止體26 ;訊號上、下針頭31 、32亦各設有一外徑較大的第二擋止體36 ;同樣地，接地 上、下針頭41、42亦各設有一外徑較大的第三擋止體46 ，該等擋止體26、36、46可分別受第一導電彈簣23、第二 導電彈簧33及第三導電彈簧43的端部所抵靠，並分別抵擋 於電源探針孔口 lla、絕緣固定座34及接地探針孔口 13& 。因此上述各針頭的外端部乃可藉由各導電彈簧的彈力， 彈性凸出於各貫穿孔外，並分別受電源探針孔口 Ua、絕 緣口疋座34及接地探針孔口 ！ 3a所擋止；或被壓縮而彈性 縮入於各貫穿孔内。 "月參閱第7圖至第9圖所示，上、下固定蓋體5a、5b 各汉有至少二個定位孔53與至少二個螺絲穿孔54，本體i 10 1357983 與檢測機具（未圖示）的檢測電路板6相接時，可利用一定 位梢61固定於定位孔53並導入於檢測電路板6所設的安裝 孔62 ’使本體1定位於檢測電路板6的檢測電路63上，嗣再 利用第二螺絲64穿入固定蓋體5的螺絲穿孔54，並螺合於 檢測電路板6所設的螺絲孔6 5，使本體1及其固定蓋體5被 鎖固於檢測電路板6上。 藉上述構件的組成’當進行檢測一待檢測的積體電路 (圖中未示’以下稱待檢測物）時，可將本體1的一面（ # 底面）與檢測電路板6相接，使電源探針2、訊號探針3及接 地探針4的一端與檢測電路板6相對應的檢測電路63電氣 連接；再將待檢測物安裝於本體1的另一面，使待檢測物 的電源插腳、訊號插腳及接地插腳分別與電源探針2、訊 號探針3及接地探針4另一端電氣連接；如此，待檢測物即 能藉由本發明之檢測治具與檢測電路電氣連接，而進行射 頻（RF )數位訊號的電氣檢測作業。 請參閱第5圖所示，其繪示本發明檢測治具第二實施 例的部份剖面示意圖。該第二實施例具有與上述第一實施 例相似的結構，不同者在於，在該第二實施例當中其訊 號探針3之金屬管35的兩端各形成有一包口37，該包口包 覆於第二擋止體36的外端部，以擋住該擋止體36 ^依此構 造，可使整體體訊號探針3自成一單體，而更便於裝配。 本發明雖已藉由上述較佳實施例加以詳細說明，惟以 上所述者，僅為本發明之較佳實施例而已，當不能以此限 定本發明實施之範圍，即大凡依本發明申請專利範圍及發 11 ·( 5 皆仍屬本發明專 明說明内容所作簡單的等效變化與修飾 利涵蓋之範圍内。 【圖式簡單說明】 顯 第1圖係繪示本發明檢測治具社描 弟 九 Ό構的立體外觀圖並 禾部份刹面示意圖。 苐2圖係緣示本發明檢測治具姓播的 弟 、、。構弟一實施例的部份 分解圖。 第3圖係繪示第2圖所示分解圖的部份放大圖。 第4圖係繪示本發明檢測治具結構塗^ . ., . 傅第一實施例的剖面 第5圖係繪示第4圖所示剖面圖的部份放大圖。 第6圖係續示本發明檢測治具結構第二實施例的部份 剖面示意圖。 第7圖係繪示本發明檢測治具結構與檢測電路板的組 吏系意圖。 第8圖係繞示本發明檢測治具結構與檢測電路板之沿 定位梢方向的組裝剖面示意圖。 第9圖係繪示本發明檢測治具結才冓與檢測電路板之沿 第二嫘絲方向的組裝剖面示意圖》 【主要元件符號說明】 .絕緣本體 a.絕緣上本體 12 <5 1357983 lb.絕緣下本體 11.電源貫穿孔 11 a.電源探針孔口 1 2.訊號貫穿孔 13. 接地貫穿孔 13a.接地探針孔口 14. 第二金屬導電層 15. 第三金屬導電層 1 6 a. U形底凹口 1 6 b. U形頂凹口 17a.第一擋緣 17b.第二擋緣 2. 電源探針 21.電源上針頭 2 2.電源下針頭 23.第一導電彈簧 26.第一擋止體 3. 訊號探針 31. 訊號上接頭 32. 訊號下接頭 33. 第二導電彈簧 34. 絕緣固定座 35. 金屬管 36. 第二擋止體 f S. Λ ^ ^ 13 1357983 37.包口 4. 接地探針 41. 接地上針頭 42. 接地下針頭 43. 第三導電彈簧 46.第三擋止體 5. 固定蓋體 5a.上固定蓋體 5b.下固定蓋體 5 1 a.第一框口 51b.第二框口 52.第一螺絲 5 3.定位孔 54.螺絲穿孔 6. 檢測電路板 61. 定位梢 62. 安裝孔 6 3.檢測電路 64.第二螺絲 6 5.螺絲孔 141357983 IX. Description of the Invention: [Technical Field] The present invention relates to a structure for detecting a fixture of an integrated circuit, and more particularly to a test fixture for detecting a radio frequency (RF) digital signal of an integrated circuit.刖Technology is based on the inspection tool of the traditional integrated circuit, for example, the Republic of China Invention Patent Notice No. 2GG6121G2, which discloses: a conductive loss member having a suitable mounting on a circuit board provided with a verification circuit. a surface: and a second surface adapted to oppose the device to be inspected, the conductive member being formed with a first perforation having a first diameter and a first diameter, the first through hole being a " The second surface is in communication; the second body of the contact probe is of a second diameter, the second straight is a second, has a plunger, and is retractable... 2 "small, and the piece is formed with a second through One end of the hole' body protrudes; the first-holding is opposite, the second surface probe of the first conductive member is kept in communication with the second through-hole, so that the contact-end protrudes at the same time Plunger from The end of the second through hole and the first holding member are adapted to hold the RF signal of one of the tubular bodies. The hole is the same as the hole, and the 俾 can be used to detect the radio frequency of the integrated circuit (noise effect and perform reliability) The detection is not affected by the fact that the test fixture can not be subjected to the high reliability of the detection noise, but it is composed of the first holder, the second protection 1357983 holder and the conductive member. Forming the main body, the main structure is complicated, the contact probe is not easy to install, and the conductive member made of hard metal is extremely difficult to drill for a plurality of elongated and dense through holes, and the overall fabrication is not easy and the cost is high, which is very inconvenient. The inventors have the disadvantages of the conventional integrated circuit detecting jig in the prior art described above, and provide the detecting jig structure of the integrated circuit of the present invention in order to eliminate the defects caused by the prior art. Providing a detection tool structure of an integrated circuit for detecting a radio frequency (RF) digital signal of an integrated circuit, and having a simple structure, easy fabrication, and low cost According to the above object, the detecting fixture structure of the present invention comprises a set of insulating bodies composed of an upper insulating body and a lower insulating body, and the upper and lower bodies are subjected to an upper fixed cover body and a lower fixed cover body. a set of fixed cover bodies are sandwiched therebetween, and a top surface of the upper body and a bottom surface of the lower body are protruded; the upper and lower bodies are provided with a plurality of through holes at a position corresponding to the object to be detected. The through-holes are respectively provided with a power probe, a signal probe and a grounding probe; wherein the through-holes of the mounting signal probe and the grounding probe are respectively plated with a metal conductive layer. When used, one side of the body can be detected. The detecting circuit board of the implement is connected, and the ends of the power probe, the signal probe and the grounding probe are electrically connected to the detecting circuit corresponding to the detecting circuit board; and the object to be detected is mounted on the other side of the body to make the object to be detected The power pin, signal pin and ground pin are electrically connected to the power probe, the signal probe and the ground probe 157983: the other end. In this way, the object to be detected can be electrically connected to the detection circuit by the present invention, and the radio frequency (2 gas detection operation) can be achieved, and the detection jig is simple in structure and easy to manufacture: the cost is low. The above-mentioned and the immortality provide for the long-term use of the technology, the characteristics and the efficacy, in the following two references to the reference pattern of the two 眚 丨 & & & ^ ^ ^ ^ ^ ^ ^ ^ 1 to 5 are respectively a perspective view, an exploded view, a partially exploded enlarged view, a cross-sectional view and a partial enlarged view of the first preferred embodiment of the structure of the present invention. As shown, the test fixture of the present invention comprises a set of insulating bodies 1, a set of fixed cover bodies 5, a plurality of power supply probes 2, a plurality of signal probes 3, and a plurality of grounding probes 4. Φ Insulating body 1 An insulating upper body 1a and an insulating lower body lb are combined with each other. The upper and lower bodies la, 113 are provided with a plurality of power sources at positions corresponding to integrated circuits (not shown) of the object to be detected. Through hole u, most messages No. 1 2 and a plurality of grounding through holes ;3; the through holes 11, 2 2, and 1 3 are respectively mounted with a power probe 2, a signal probe 3, and a grounding probe 4', and the inner diameters of the respective penetrations are respectively The inner wall of the signal through hole 12 is plated with a second metal conductive layer 14 so that the signal through hole 12 forms a natural electromagnetic wave shielding body to avoid interference on the signal transmission of the signal probe 2. The inner wall and the outer surface of the hole 13 are provided with a third metal conductive layer 15 to electrically connect with the grounding probe 4 to form an electrically conductive ground loop. The body 1 is made of an insulating material and then plated at a necessary position. a metal conductive layer; a non-integral metal material. In addition to reducing the material cost, the structure may be selected from, for example, a plastic insulating material. The material is implemented in a plurality of through holes u, 12, The arrangement of 13 is relatively simple. Therefore, the body of the present invention has the advantages of low material cost and easy fabrication for the through hole. The above-mentioned through holes are in a matrix and have a The length of the plurality of dense through-holes is extremely difficult to maintain a precise axial position from the upper end to the lower end. The present invention divides the body into an upper body and a lower body lb, and the structure can be The length of each through hole is first shortened and then lengthened to the required length; respectively, for the arrangement of the short length of the through hole, a more accurate effect can be obtained. Therefore, according to the structure of the present invention, The holes 11, 12, 13 can be 鞾 ϋ 轴向 axial position. The town is precise for the combination of the upper and lower bodies 13, lb, in a feasible manner, a U-shaped bottom notch is formed on the bottom surface of the upper body 13. 16a, the top surface of the second surface is formed with a U-shaped top recess 16b, and then the two are placed up and down and staggered to form a group. That is: 乂 and the lower body 1b, and then reversely combine them. I. Forming the upper body la = the fixed cover body 5 includes an upper fixed cover body 5, and the fixed cover body is respectively disposed on the upper and lower sides of the upper and lower bodies la, lb, and the lower body is clamped thereto. Between the upper and lower fixed cover bodies, and the top surface of the upper body 2357798 and the bottom surface of the lower body lb are exposed. β is a combination of the fixed cover body 5 and the body 1, and one of the feasible ways is The lower fixing cover bodies 5a, 5b are respectively provided with a first frame opening 51& and a second frame opening 51b, and the outer circumferences of the upper and lower bodies la, lb are respectively formed with a first blocking edge 17a and a second blocking edge 17b. The upper and lower fixed cover bodies are respectively sleeved on the upper and lower bodies by the first and second frame ports 51a, 51b, and are respectively blocked against the first and second retaining edges 7a, 7b, and then The first screws 52 rudderly lock the upper and lower fixed cover bodies 5a, 5b into one body. By fixing the cover body 1, the fixed cover body together with the body 1 can be fixed to the detection circuit board 6 described below. The upper and lower ends of the second end are respectively provided with an elastically outwardly projecting or inwardly retracting one of the power supply needles 21 and a power supply lower needle 22; A first conductive spring 23 is disposed on the power supply and between the needles, so that the outer ends of the upper and lower needles 21, 22 of the power supply can be elastically protruded or retracted into the power through hole 11. The power supply through hole The upper and lower ends are respectively provided with a power supply probe aperture 1 la having a small diameter, and the outer end portions of the upper and lower needles 21 and 22 of the power supply are located at the power supply probe aperture 11 a. The power supply probe 2 is connected to the body 1 is electrically insulated from each other. The signal probe 3 is provided with a metal tube 35, and the upper and lower ends of the tube of the metal tube 35 are respectively provided with a needle 31 and a signal which can be elastically outwardly convexly or inwardly retracted. The lower needle 32; in practice, a second conductive spring 33 is disposed between the upper and lower needles of the signal, so that the outer ends of the upper and lower needles 31, 32 of the signals can be elastically protruded or retracted into the signal through. The upper and lower needles 31 and 32 of the signal are respectively provided with an insulating fixing seat 34, and the insulating fixing seats 34 are respectively fixed on the upper and lower end openings 1579983 of the signal through hole 12 to make the signal probe 3 and The body 1 is electrically insulated from each other, and the signal probe 3 in the signal through hole 12 is The gas and the body are kept insulated. The upper and lower ends of the grounding probe 4 are respectively provided with an elastically outwardly projecting or inwardly retracting one of the grounding needle 41 and a grounding lower needle 42; in practice, the grounding, A third conductive spring 43 is sleeved between the lower joints, so that the outer end portions of the grounding upper and lower needles 41' 42 can be elastically protruded or retracted into the grounding shell perforations 13. The upper and lower ends of the grounding through holes 13 Each of the grounding probe holes 13a having a small diameter is provided, and the outer ends of the grounding upper and lower needles 41, 42 are located at the grounding probe opening 13a, and are electrically connected thereto, thereby grounding the probe 4 It is electrically connected to the third metal conductive layer 15 in the ground through-hole 13 to form an electrically conductive ground loop. Referring to Figures 3 and 5, the upper and lower needles 21, 22 of the power supply are respectively provided with a first blocking body 26 having a larger outer diameter; the upper and lower needles 31 and 32 of the signal are also respectively provided with an outer diameter. The second second stopper body 36; likewise, the grounding upper and lower needles 41, 42 are also respectively provided with a third blocking body 46 having a larger outer diameter, and the blocking bodies 26, 36, 46 can be respectively subjected to the first The ends of a conductive spring 23, the second conductive spring 33, and the third conductive spring 43 abut against the power probe aperture 11a, the insulating holder 34, and the ground probe aperture 13& Therefore, the outer end portions of the above-mentioned respective needles can be elastically protruded from the respective through holes by the elastic force of the respective conductive springs, and are respectively received by the power supply probe aperture Ua, the insulative port socket 34 and the grounding probe aperture! 3a is blocked; or compressed and elastically retracted into each through hole. "Monthly, as shown in Figures 7 to 9, the upper and lower fixed cover bodies 5a, 5b each have at least two positioning holes 53 and at least two screw holes 54, the body i 10 1357983 and the detecting machine (not shown) When the detecting circuit board 6 of the display board 6 is connected, the positioning hole 61 can be fixed to the positioning hole 53 and introduced into the mounting hole 62 ′ of the detecting circuit board 6 to position the body 1 on the detecting circuit 63 of the detecting circuit board 6. Then, the second screw 64 is inserted into the screw hole 54 of the fixing cover 5, and screwed into the screw hole 65 provided in the detecting circuit board 6, so that the body 1 and its fixing cover 5 are locked to the detecting circuit. On board 6. By the composition of the above-mentioned components, when detecting an integrated circuit to be detected (not shown in the figure below), one side (# bottom surface) of the body 1 can be connected to the detecting circuit board 6 to make a power source. One end of the probe 2, the signal probe 3 and the grounding probe 4 are electrically connected to the detecting circuit 63 corresponding to the detecting circuit board 6; the object to be detected is mounted on the other side of the body 1 to make the power pin of the object to be detected, The signal pin and the ground pin are respectively electrically connected to the other end of the power probe 2, the signal probe 3 and the ground probe 4; thus, the object to be detected can be electrically connected to the detecting circuit by the detecting jig of the present invention, and the radio frequency is performed ( RF) Electrical detection of digital signals. Referring to Figure 5, there is shown a partial cross-sectional view of a second embodiment of the test fixture of the present invention. The second embodiment has a structure similar to that of the first embodiment described above, except that in the second embodiment, the two ends of the metal tube 35 of the signal probe 3 are formed with a mouth 37, and the bag is provided. The outer end portion of the second blocking body 36 is disposed to block the blocking body 36. According to this configuration, the integral body signal probe 3 can be self-contained, which is more convenient for assembly. The present invention has been described in detail by the preferred embodiments of the present invention, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Scope and transmission 11 · (5 are still within the scope of the simple equivalent changes and modifications covered by the specific description of the present invention. [Simplified description of the diagram] The first diagram shows the inspection tool of the present invention. The three-dimensional appearance of the brother-in-law and the schematic diagram of the part of the brake. The figure 2 shows the exploded view of the embodiment of the invention. 2 is a partial enlarged view of the exploded view shown in Fig. 2. Fig. 4 is a view showing the structure of the test fixture of the present invention, and Fig. 5 is a cross-sectional view of the first embodiment shown in Fig. 4. Figure 6 is a partial cross-sectional view showing a second embodiment of the test fixture structure of the present invention. Figure 7 is a cross-sectional view showing the structure of the test fixture and the test circuit board of the present invention. Intent 8 is a diagram showing the structure and detection circuit of the detection fixture of the present invention. FIG. 9 is a schematic cross-sectional view of the assembly in the direction of the positioning tip. FIG. 9 is a schematic cross-sectional view showing the assembly of the detecting fixture and the detecting circuit board along the second winding direction. [Explanation of main component symbols]. Insulating body a. Insulation upper body 12 < 5 1357983 lb. Insulation lower body 11. Power supply through hole 11 a. Power supply probe aperture 1 2. Signal through hole 13. Ground through hole 13a. Ground probe hole 14. Second metal conduction Layer 15. Third metal conductive layer 1 6 a. U-shaped bottom recess 1 6 b. U-shaped top recess 17a. First retaining edge 17b. Second retaining edge 2. Power probe 21. Power supply needle 2 2 Power supply needle 23. First conductive spring 26. First stop 3. Signal probe 31. Signal upper connector 32. Signal lower connector 33. Second conductive spring 34. Insulation holder 35. Metal tube 36. Second stop body f S. Λ ^ ^ 13 1357983 37. Nozzle 4. Grounding probe 41. Grounding needle 42. Grounding down needle 43. Third conductive spring 46. Third stop 5. Fixed cover 5a Upper fixing cover 5b. Lower fixing cover 5 1 a. First frame opening 51b. Second frame opening 52. First screw 5 3. Positioning hole 54. Screw perforation 6. Detection board 61. Positioning tip 62. Mounting hole 6 3. Detection circuit 64. Second screw 6 5. Screw hole 14