TWI233999B - Testing jig for connector socket of electronic component - Google Patents

Abstract

A testing jig for connector socket of electronic component is used to ascertain the soldering condition of each contact between a connector socket of an electronic component and a main board. Whether the grounding resistance value of an electrically-coupled contact is within the range of preset values is ascertained by a resistance value determination unit and a measuring pin. An indicator display module is further enabled to switch to the corresponding display state, providing user a direct indicator confirming if the contact has any condition of cold solder and solder open to enhance the testing efficiency.

Description

1233999 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to ~ ^ t, traitor A, and a kind of test fixture. The library is used for the test of the Thunder 2 socket, and more particularly μ is used for electronic components. The ground resistance value of the connection point is stated as follows: a kind of fine-quality determination circuit to confirm the connection [prior art; test fixture to confirm the welding status of the connection point. Mu Ke computer executable platform at the time of design, large space: so many upgradeable components, currently;

^ The socket is connected to the motherboard to facilitate the user's future board manufacturing process. Most of them use face 'mounting technology (SMT) to process components and printed circuit boards (Printed Circuit: Board' PCB). Soldering problems, but the solder paste and printing machine (s〇 丨 der

Paste Printer), Stencil Pick & piace

Ref low Oven) or even the setting of process parameters may affect the production quality of surface adhesion technology. For example, 'Insufficient tin viscosity or too fast time passing through a tin furnace may cause cold welding or air welding, but the general cold welding or air welding conditions can be easily detected by the naked eye using the naked eye. You must wait until the host The board arrived at the test stage and the day guard 'could not be detected until an unstable condition occurred. … Therefore, when the motherboard production has reached the test stage, but it cannot be turned on or is unstable, and needs to be repaired to confirm the problem, most of them will first confirm whether there is cold welding or air welding. For example, in a conventional way, to confirm whether there is cold welding or air welding of the connection sockets of the electronic components on the motherboard, the engineer needs to make a measurement of the connection between the socket and the motherboard.

1233999 Description of the invention (2) The ground resistance of one hundred connection points is in the condition of empty welding or cold welding. This 1 _Is the above hundreds of connection points additional? When the motherboard fails, when the repair is completed, the company must first remove the connection socket first, and then solder the connection socket back. You still need a book. : The ground resistance value of hundreds of connection points. To re-interconnect, i ::::::: electronic components are connected to the motherboard and the necessary confirmation work may also be due to weighing-negligent electronic component factory The brand resistance of the brand i and :: f contacts will vary with the different ground resistance values r due to different —models but different connection points. The measurement is required by the engineer ^ τ ^ It takes twice as much time to do it. J Another normal motherboard does not-compare to complete the confirmation process. In the generation where the competition rate is improved, 'reducing the waste of time will greatly improve the competition. How can this reduce testing? Procedures and shorten the detection time [Invention: i] has become the direction of thinking of related personnel. Socket ΐ: ΐ In order to solve the above problems, we provide-a kind of electronic component connection, connection, χ, / α /, for needs Check the condition between the connection socket and the motherboard. # 々 焊 状"Ri Shou" used to check the display status of the light display module: quickly identify whether there is cold welding or air welding. It is clear that problems and shortcomings that Yu Xiangang's technology cannot solve, this issue u Test fixtures for various types of sub-component connection sockets, including the following modules

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V. Description of the invention (3) Group: Measuring pins and resistance value 剌-By measuring pins and connecting ¥ =: 二 和: No. display module. Among them, the grounding resistance value of the connection point is produced: the coupling value and the resistance value judgment unit will generate the corresponding output voltage according to the model voltage A + π Γ, and then use the light to display the supply, and according to the output voltage I-bay Welding condition. The earthen knife is not sorrowful in order to remind the user to connect the points. The present invention can be specifically defended as follows: 仃 的 贝 施 式, I will cooperate with the illustration of the method [implementation method] Section-: T read: Figure 1 " The connection socket of the CPU is shown as the connection% 2 = 1. Xiong Ming, the invention is a schematic diagram of the test mechanism for the connection of the central processing unit socket. The test mechanism includes a power source of 1 :: SO3, a socket of 200, and a test fixture of 10. . Transparent :; Where the 30 switching makes the power supply unit 20 provide the test voltage :: off early, and use J: Neighbor Beijing 丨 丨 Responsibility >, 弋 〆 口 乂, 1 0 0 Whether it is two ::: Confirm The ground resistance value of the connection socket 2 0 0, and the test fixture m mainly includes (A): cold, temple defect standards. Unit 50 and test pin 40; (" Resistance value judgment early Wudan and (C) lamp bluff display module 60, are described in detail respectively as follows: (A) test pin 40 is used to connect with the connection point丨 〇Electrical coupling. Each pin 40 passes through the connection socket 20. When it is electrically connected to the connection point 2: ^ = The measurement pin 40 and the connection point 10 are the same contact, so when measuring 1. 〇〇 When the ground resistance of connection point 10 is required, the above connection point 10 can be obtained by measuring pin M, which refers to the hundreds of contacts connected to socket 200 and the motherboard by welding. One, where each connection point j 〇,

Page 7 1233999 V. Description of the invention (4) A grounding resistance, this grounding resistance contact Η: = the same as in the model motherboard-the connection will be too large:: or when a cold-known situation occurs' grounding The resistance value is not Γ. 2 0 0 Λ; Thunder τ / Z) / and the value judging unit 50 is connected to the measuring pin 40, and upon receiving the response unit 20 and the switch sheet—the provided measurement error: = the ground resistance value of the r connection point 10, which Internal :: value judgment circuit, confirm the connection of connection point 10 and generate corresponding output voltage. 1 疋 No, I is equal to the value of the pre-δ, and the power supply: The interruption unit 50 receives the test voltage from the power supply unit 20, and the test start signal, and the test voltage is related to the work required by the central processing unit. The voltage is the same. The main + of the main hall, W ΠΓ y = bm 4- 40 ^ ^ ΛΑ „. In the month of f, the user will measure the pin 40, and it will be sent out when it is electrically coupled with the connection point 10. Test voltage. The above-mentioned electric power supply I 2 can be external power supply (叩 wer SUPP y, AC adap ter), uninterruptible power system = iMnterruptlble p〇 wer supply), an external battery, or a button battery built into the test fixture 100. The switch unit 30 can control the test voltage output by the power supply unit 20. Therefore, the user can use the switch unit 30 Control whether the test program is executed and the switch unit 30 and the power supply unit 2 can be integrated and set inside the test fixture 100. The setting of the judgment circuit in the resistance value judgment unit 50 is based on the connection point 10 Different ground resistance values require separate designs. Therefore, in general

1233999

Under the condition, the number of resistance value judging units 50 on the test fixture 00 and the number of connection points 1G for the test are the same, but the desired points 10 can be simultaneously. For the connection of $, please refer to the “Figure 2 _ Circuit” section, and propose specific resistance judgment unit 5 〇 Series resistance 53, third resistance 54, put the first resistance 51 to connect the single input terminal of the switch and capacitor 52, electrical 40, The negative input OFF unit 30 of the amplifier 55, 54 of the amplifier 5 5 are connected to the second resistor 53, the amplifier 5 5 is connected to the capacitor 5 2, the quantity 53, the second resistor 54 is the output terminal and the signal display mode, and Judgment for the resistance value judging unit 50 Explanation: The first battery is composed of the first resistor 51, the capacitor 5 2 and the fourth resistor 56 and the fourth resistor 56. ^ ^ 30, the measurement pin 40, the container in the amplifier 55 5 2 Connect the first resistor 5 !, the negative terminal is connected to the ☆ mountain Chu ^, j pin and "grounded", the second resistor 53 is connected to the f positive input terminal and the third resistor 54; the third electric two The positive end of the 5th wheel and the ground end, the amplification test pin 40, the first resistance 51, the second resistance four resistances 56, and the fourth resistance 56 are connected to the 55 amplification group 60. The setting of the resistance value judgment unit 50 is required. When $ Measurement pin 4 is produced by 沾 拉 丄 such as / / ^. R ^ ^, and the resistance value is between the preset value, it is transmitted to the enemy. B 5 is the input value of the negative wheel input end ^ ^ 55 ^ # ^ ^ ^ /, the voltage value transmitted to the positive end of the positive wheel, and the output voltage is amplified by 叩 5 ^, Tuner Lesi resistor 56, and the module is required. Display; when winding the sun, a, electric & to drive the lamp to display the preset value, then; the preset ground resistance value, * between II ^ ^ ^ private I can not drive the light signal display module display . Regarding the setting method of the first resistance 51 and the lightning resistance 54, the method of using the Yu Yu 52, the second resistance 53, and the third resistance ^ m}-π β Λ force is performed by an engineer before a stable king board. To obtain the ground resistance of remote technology ..., as the default value of ground resistance

1233999 Fifth, the invention description (6) value, and then through the appropriate meter,. Therefore, when the above-mentioned components are matched, the phase resistance of the best value points of the above-mentioned components is used to generate the phase: The output voltage will only be judged based on the 60-connection resistance value of the (C) lamp number display module. The unit 妾 卩 value of the unit 50 judges the early element 50, and according to the column, when the% ％ t is connected, the corresponding display state is switched. As shown above, the corresponding status of the 60 will be displayed. # 工 烊 的 ， State, the light module display module _ will correspondingly "display: ί:": cold ::;:, "" display module 6 " ... produced, = = =: Evil is generally represented by making the chain of 傺 — — // but not displayed, so that: = group 1 ° „No light or red light is emitted and no light or light is generated = f The state of the light-blind display module 60 is quality. Generate "Tiger's color" to judge the soldering products connected to the socket. In practice, the central processing unit will detect all the connection points still = fee; multiple nights = connect: this = Ming more j out, can detect multiple The test mode of the connection point is as follows: This article firstly reads an example of the second embodiment of the present invention shown in "Figure 3", which is a mechanism disclosed by using multiple sets of the first embodiment simultaneously. The group 'is used to confirm whether there are cold welding or empty welding at a plurality of connection points 10 in the connection socket 2. The test module in this embodiment includes: (1 port: and the machine board 70, among which a plurality of measurement pins 40, a plurality of resistance values loose and a single unit 50 and a plurality of The light signal display module 60 is integrated on the machine board 70 and becomes the test 1233999 Five 'invention description (7) " ~-Test module 100. And the setting method of multiple measurement pins 40 must be connected The socket 2. 0 0 has the same pin specifications and is set to facilitate plugging. And corresponding to the multiple light display module 60 is installed on both sides of the board 70, and its main system connection mode, operation mode and The component setting method is the same as that of the first embodiment, and is not repeated here. Please refer to "Fig. 4" is a diagram of the use state of the second embodiment of the present invention. The “picture 4” illustrates the state of the test module 100 on the main board. After connecting the socket 2 0 and coupling with the main board by soldering, the user ^ will measure more pins 4 in the test module 丨 00. (The first test pin 4 to the n-th test pin 4 〇 n) through a plurality of connection points on the socket 2 〇 〇L / One connection point 101 to the nth connection point 10n) After being electrically coupled, the switch unit 30 is used to transmit the test voltage provided by the power supply unit 20 to a plurality of resistance determination mode stages 50 (the first resistance value). The judgment module 501 to the n-th resistance judgment module 5 0η) 'will individually confirm the ground resistance values of the multiple connection points, whether they are within a preset value' and generate corresponding output voltages, and more Each light display module 6 (the first light display module 6 (η to η light display module 6〇η) will switch the display state according to the corresponding output voltage '; when multiple lights The display module 60 is switched to the display state, which indicates that its corresponding multiple connection points 10 are not cold-welded or air-welded. Conversely, when multiple light-signal display modules 60 are switched to the non-display state, that is, Represents a state where no cold welding or air welding may occur. ^ = The above is only an embodiment of the present invention, and is not intended to limit the scope of implementation of the present invention; Equal changes and modifications are all covered by the patent scope of the present invention.

1233999 Brief description of the diagram. The first diagram is a schematic diagram of the testing mechanism of the first embodiment of the present invention by using the socket of the central processing unit. The second diagram is the embodiment of the present invention embodying the circuit of the resistance determination unit 50. Schematic diagram of the test mechanism; Figure 3 is a schematic diagram of the second embodiment of the test mechanism using a socket of the central processing unit; and Figure 4 is a schematic diagram of the second embodiment of the invention using a socket of the central processing unit Example of using state diagram. [Illustration of Symbols]

10 connection points 20 power supply unit 30 switch unit 40 measurement pins; multiple measurement pins 401 first measurement pin 40η first η measurement pin 50 resistance judgment unit; multiple resistance judgment units 501th A resistance judging unit 50η, a η resistance judging unit 51. The first resistor 52, the capacitor 53, the second resistor 54, the third resistor 55, the amplifier 56, the fourth resistor, page 12, 1233999, a simple description of the 60 light signal display module; multiple Light display module 601 First light display module 60η No η light display module 7 0 Board 100 test fixture; test module 2 0 0 socket

Claims (1)

1233999 VI. Application for patent scope 1. An electronic component and a motherboard are measured and connected to a resistance value to determine the value of the power supply unit. The output voltage and voltage are displayed through a preset signal with the same value 2 · If you apply for a patent, the test voltage. The test of the connection socket is as follows: one connection, the soldering of the connection point / confirmation, the connection socket pin is electrically coupled with the connection point; each unit is electrically connected to the current day. If you measure the pin, the test voltage will be based on the supply voltage. ^ The resistance value of the ground resistance at one of the connection points will be used to determine the circuit brake age Y, and 1 if the ground resistance is equal to A corresponding output voltage is generated; and the display module is electrically connected to the resistance judging unit, and the light signal display module is switched to correspond to the output state. The test fixture for testing the electronic component connection socket described in item 1 further includes the power supply unit for generating the test fixture for the electronic component connection socket described in item 2 of the patent scope of the 3's patent, of which ^ this The power supply unit is selected from the group consisting of a power supply (Power supp 1 y), a parent current converter (acadapter), an uninterruptible power suppiy, an external battery, and a button battery one. 4. The test fixture of the electronic component connection socket according to item 1 of the scope of the patent application, wherein the test fixture further includes a switching unit for controlling whether the test voltage is rotated out to the resistance judgment unit. 5 · The test fixture of the electronic component connection socket as described in item 1 of the scope of the patent application, wherein the value judgment unit includes a capacitor, a first resistor, a resistor, a third resistor, and a fourth resistor With a zoom 1233999;, patent application scope _ device. 3 · If the scope of the patent application is for a fixture, the test of the electronic component connection socket described in the item, the negative resistance of the amplifier, the A resistance is connected to the switch unit, the measurement pin, the resistance, the input terminal, and the Capacitor; the capacitor is connected to the first and the second electrical connection: the gate: the large device: the negative input terminal and the-ground terminal; the third resistor · ϊΐ: off early ... the amplifier's positive input terminal and the wheel input terminal and The: m pick up! Second electricity :, the amplifier is crying, and once, δHai is amplified to connect the first resistor, the capacitor ^ the test pin, spinning and scoring-Di Ka a # resistance · Xi Chuqian The resistance, the third resistance and the fourth electricity. Connect the output terminal of the amplifier to the light display module with a four-resistor resistor: ^ f = test 22 of the electronic component connection socket described in item 1 above: The default value is a normal motherboard Ground resistance at the same connection point. “Excellent”, £ 8m profit range, the tester of the electronic component connection socket described in the item /, > ', the ground resistance value of the connection point of Zhongtiankouhai is the same as the preset value. The module is switched to the display state. I: The scope of the patent application for the patent: [Test of electronic component connection sockets described in [item = equipment], where the ground resistance value of the connection point is different from the preset value 1 ¥, the The light display module is switched to a non-display state. ○ "A test module for electronic component connection sockets is used to confirm the welding status of a plurality of connection points between a connection socket and a motherboard. The test module includes: A plate having a first side and a second side opposite to each other; 1233999, the patent range of the application, a plurality of measuring pins are provided on the first side of the board, and are electrically coupled with the connection point; a plurality of resistance judgment units are provided on the first board of the board. The two sides' are electrically connected to the measuring pin for receiving a test voltage from a power supply unit and a plurality of ground resistance values of the connection point. Whether each of the ground resistances is the same as its corresponding preset value to generate a corresponding one of the output voltages; and a plurality of light signal display modules are disposed on the second side of the board and the resistance judging unit. According to the respective output voltages, each of the signal display modules is switched to a display state corresponding to each of the output voltages. 11 · The test module for an electronic component connection socket as described in Item 10 of the scope of patent application, wherein the second side of the board further includes the power supply unit 'for generating the test voltage. 1 2 · The test module of the electronic component connection socket according to item 11 of the scope of the patent application, wherein the power supply unit is selected from a power supply, an AC adapter, and an uninterruptible power system. (Uninterruptible power supply), an external battery and a button battery. 1 3 · The test module for an electronic component connection socket as described in item 10 of the scope of patent application, wherein the second side of the board further includes a switch unit for controlling whether the test voltage is output to the resistance value Judgment unit. 1 4. Test of electronic component connection sockets as described in item 10 of the scope of patent application. Page 16 1233999 6. Scope of patent application ~ trial right group, where the resistance judgment unit includes a plurality of capacitors and a plurality of first capacitors. A resistor, a plurality of second resistors, a plurality of third resistors, a plurality of fourth resistors, and a plurality of amplifiers. 1 5 · The test module for an electronic component connection socket according to item 4 of the scope of the patent application, wherein the first resistor is connected to the switch unit, the measurement pin L, the negative input terminal of the amplifier, and the capacitor; the The capacitor is connected to the first resistor, the measurement pin, the negative input terminal of the amplifier and a ground terminal; the second resistor is connected to the switching unit, the positive input terminal of the amplifier and the third resistor; the third resistor is connected The second resistor, the positive input terminal of the amplifier, and the ground terminal; the amplifier is connected to the second resistor, the capacitor, the measurement pin, the second resistor, the second resistor, and the fourth resistor; the first resistor Four resistors are connected to the amplifier input and the light display module. 16. The clam test module of the electronic component connection socket described in item 10 of the scope of patent application, wherein the preset value is the ground resistance value of the same surname in the normal motherboard. 17. The clam test module of the electronic component connection socket described in item 10 of the scope of patent application, wherein when the ground resistance value of each resistance judgment unit is the same as its corresponding preset value, Each of the signal display modules electrically connected to the judgment unit is switched to a display state. 18. The just-tested module of the electronic element & socket as described in item 10 of the scope of the patent application, wherein when the ground resistance value of each of the resistance judging units is different from its corresponding predetermined value, and Each of the remote lamps of each resistance determination unit is said to be incapable of switching to a non-display state. 1233999 Page 18