WO2020051828A1 - Dispositif de test de cartes de circuit imprimé - Google Patents

Dispositif de test de cartes de circuit imprimé Download PDF

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Publication number
WO2020051828A1
WO2020051828A1 PCT/CN2018/105451 CN2018105451W WO2020051828A1 WO 2020051828 A1 WO2020051828 A1 WO 2020051828A1 CN 2018105451 W CN2018105451 W CN 2018105451W WO 2020051828 A1 WO2020051828 A1 WO 2020051828A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
board
base
lifting
rod
Prior art date
Application number
PCT/CN2018/105451
Other languages
English (en)
Chinese (zh)
Inventor
倪晔波
Original Assignee
太仓德纳森机电工程有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 太仓德纳森机电工程有限公司 filed Critical 太仓德纳森机电工程有限公司
Priority to DE212018000034.4U priority Critical patent/DE212018000034U1/de
Priority to PCT/CN2018/105451 priority patent/WO2020051828A1/fr
Publication of WO2020051828A1 publication Critical patent/WO2020051828A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2805—Bare printed circuit boards
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
    • G01R1/06716—Elastic
    • G01R1/06722—Spring-loaded
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
    • G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards

Definitions

  • the utility model belongs to the technical field of detection equipment, and particularly relates to a circuit board testing device.
  • PCB also called printed wiring board
  • PCB is an important electronic component.
  • electrical defects such as short circuits, open circuits and leakage caused by external factors, coupled with the continuous evolution of circuit boards to high density, fine pitch and multiple levels, if the failure is not timely
  • the board is screened out and left to flow into the next process, which will definitely cause more cost waste. Therefore, in addition to the process control, it is necessary to improve the technology of circuit board testing to improve product yield.
  • the main purpose of the utility model is to provide a circuit board testing device, which not only improves the safety and efficiency of circuit board detection, ensures the quality of the circuit board, but also effectively prevents the circuit board from being damaged during the detection process.
  • a circuit board testing device includes a workbench, a feeding mechanism, and an electric measuring mechanism, and the feeding mechanism and the electric measuring mechanism are both located on the workbench. Above, the electrical measuring mechanism is located downstream of the feeding mechanism;
  • the feeding mechanism includes a carrier board, a limit rod, and a lifting drive mechanism that drives the carrier board to move up and down.
  • a plurality of the circuit boards are placed above the carrier board, and the lower end of the limit rod is fixed to the workbench.
  • An upper end of the limit rod passes through the carrier board and is in contact with an edge of the circuit board;
  • the electrical measuring mechanism includes a stylus, a base, and a fixed frame, the stylus is fixed to the base, and the base is detachably connected to the fixed frame;
  • the fixing frame includes a support rod and a mounting rod, the support rod is provided with two, the lower ends of the two support rods are fixed to the workbench, and the upper ends of the two support rods are respectively connected to both ends of the mounting rod,
  • the mounting rod has a mounting hole matching the base, a positioning protrusion is provided on a side wall of the base, and an inner surface of the mounting hole is provided with a positioning recess corresponding to the positioning protrusion.
  • the controller further includes a controller, and the lifting driving mechanism and the stylus are electrically connected to the controller.
  • the lifting driving mechanism includes a lifting board and a lifting driving motor for driving the board to move up and down, the lifting board is located between the carrier board and the workbench, and the limit rod passes through the carrier board.
  • the carrier plate and the lifting plate are connected by a connecting member, the lifting driving motor is fixed to the lifting plate, an output shaft of the lifting driving motor is connected to a screw rod, and the screw rod is connected to a table.
  • the connecting member is a support spring
  • the support spring is sleeved on the limit rod, and two ends of the support spring are in contact with the lifting plate and the carrier plate, respectively.
  • the positioning protrusion is a ball, and the ball is installed in a positioning hole of the base.
  • a positioning spring is provided between the ball and the bottom surface of the positioning hole to make the ball protrude from the outer surface of the base.
  • the stylus is fixed on the lower surface of the base, at least one bar is provided on the side wall of the mounting hole, and the base is located above the bar.
  • the inner wall of the positioning hole is provided with a circle of limiting protrusions to restrict the balls from sliding out of the positioning hole.
  • the utility model comprises a feeding mechanism and an electric measuring mechanism.
  • the carrier board of the feeding mechanism is provided with a lifting driving mechanism that drives the circuit board to move up and down, so that the circuit board can be tested after being lifted. The personnel need not directly contact the circuit board being tested. Adopting automatic control to free up labor and improve detection efficiency;
  • the lower end of the limit rod of the utility model is fixed to the workbench, and the upper end of the limit rod passes through the carrier board and interferes with the edge of the circuit board.
  • the lifting drive mechanism includes a lifting board and a lifting drive motor that drives the board to move up and down.
  • the carrier board and the lifting board are connected by a connector.
  • the lifting drive motor is fixed to the lifting board, and the output shaft of the lifting drive motor is connected to the wire.
  • Rod connection, the screw is connected to the workbench, so that the circuit boards to be tested can be raised to the same height for testing;
  • the connecting piece of the utility model is a support spring, the support spring is sleeved on the limit rod, and the two ends of the support spring are in contact with the lifting plate and the carrier plate, so that when the stylus contacts the circuit board, the support spring acts on the circuit board. Buffer function to prevent the stylus from damaging the circuit board;
  • the base of the utility model is detachably connected to a fixed frame.
  • the base is provided with a ball, and the inner surface of the mounting hole is provided with a positioning recess corresponding to the ball, so that the base is stably installed on the mounting rod, which is convenient for the probe. Replacement to ensure the quality of the test, and even better, when the contact force between the stylus and the circuit board is too large, the base can fall off the mounting hole of the mounting rod, effectively preventing the circuit board from being damaged.
  • FIG. 1 is a schematic structural diagram of the present invention
  • FIG. 2 is a sectional view of a mounting rod of the present invention
  • FIG. 3 is a sectional view of a base of the present invention.
  • Table 1 feeding mechanism 2, carrier plate 21, limit lever 22, lifting plate 23, lifting driving motor 24, connecting piece 25, screw rod 26, electrical measuring mechanism 3, stylus 31, base 32, positioning protrusion 321, positioning hole 322, limiting protruding ring 3221, positioning spring 323, support rod 33, mounting rod 34, mounting hole 341, positioning recess 3411, bar 3412, circuit board 4 and controller 5.
  • the feeding mechanism 2 and the electric measuring mechanism 3 are both located at the station.
  • Above the workbench 1, the electrical measuring mechanism 3 is located downstream of the feeding mechanism 2;
  • the feeding mechanism 2 includes a carrier board 21, a limit rod 22, and a lifting drive mechanism that drives the carrier board 21 to move up and down.
  • a plurality of the circuit boards 4 are placed above the carrier board 21. The lower end is fixed to the workbench 1, and the upper end of the limit rod 22 passes through the carrier board 21 and is in contact with the edge of the circuit board 4;
  • the electrical measuring mechanism 3 includes a stylus 31, a base 32, and a fixing frame, the stylus 31 is fixed to the base 32, and the base 32 is detachably connected to the fixing frame;
  • the fixing frame includes a support rod 33 and a mounting rod 34.
  • the support rod 33 is provided with two, the lower ends of the two support rods 33 are fixed to the workbench 1, and the upper ends of the two support rods 33 are respectively installed with the mounting rods.
  • the two ends of the rod 34 are connected.
  • the mounting rod 34 has a mounting hole 341 matching the base 32.
  • the side wall of the base 32 is provided with a positioning protrusion 321.
  • the inner surface of the mounting hole 341 is provided.
  • a positioning recess 3411 corresponding to the positioning protrusion 321;
  • a controller 5 is further included, and the lifting driving mechanism and the stylus 31 are all electrically connected to the controller 5.
  • the lifting driving mechanism includes a lifting plate 23 and a lifting driving motor 24 that drives the circuit board 4 to move up and down.
  • the lifting plate 23 is located between the carrier plate 21 and the workbench 1, and the limit rod 22 passes through the carrier. Plate 21, the carrier plate 21 and the lifting plate 23 are connected by a connecting member 25, the lifting driving motor 24 is fixed to the lifting plate 23, and the output shaft of the lifting driving motor 24 is connected to the screw rod 26, so The screw rod 26 is connected to the table 1.
  • the connecting member 25 is a support spring, the support spring is sleeved on the limit rod 22, and two ends of the support spring are in contact with the lifting plate 23 and the carrier plate 21, respectively.
  • the positioning protrusion 321 is a ball, and the ball is installed in a positioning hole 322 of the base 32.
  • a positioning spring 323 is provided between the ball and the bottom surface of the positioning hole 322 so that the ball protrudes out of the base 32. surface.
  • the lower surface of the base 32 is fixed with the stylus 31, and the side wall of the mounting hole 341 is provided with at least one bar 3412, and the base 32 is located above the bar 3412.
  • a circle of limiting protrusions 3221 is provided on the inner wall of the positioning hole 322 to restrict the balls from sliding out of the positioning hole 322.
  • the working principle of the utility model is as follows. Several circuit boards are manually placed on the carrier board.
  • the lifting drive mechanism lifts the circuit board to a certain height under the control of the controller to detect the circuit board in contact with the stylus.
  • the support spring plays a certain role.
  • the buffering effect prevents the stylus from damaging the circuit board.
  • the circuit board is lowered by the lifting drive mechanism.
  • the circuit board detected at the top layer is manually removed, and the circuit board detection at the lower layer is continued to improve the circuit board detection. Safety and detection efficiency to ensure the quality of the circuit board.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

Cette invention concerne un dispositif de test de cartes de circuit imprimé, comprenant une table de travail (1), un mécanisme d'alimentation (2), et un mécanisme de test électrique (3). Le mécanisme d'alimentation (2) et le mécanisme de test électrique (3) sont tous deux situés sur la table de travail (1). Le mécanisme de test électrique (3) est situé en aval du mécanisme d'alimentation (2). Le mécanisme d'alimentation (2) comprend une plaque de support (21), des tiges de limitation (22), et un mécanisme d'entraînement de levage et d'abaissement entraînant la plaque de support pour la relever et l'abaisser. Une pluralité de cartes de circuit imprimé est placée sur la plaque de support (21). Les extrémités inférieures des tiges de limitation (22) sont fixées à la table de travail (1). Les extrémités supérieures des tiges de limitation (22) passent à travers la plaque de support (21) et sont en contact avec les bords des cartes de circuit imprimé (4). Le dispositif selon l'Invention permet non seulement d'améliorer la sécurité et l'efficacité de test lors du test cartes de circuit imprimé, ce qui permet d'assurer la qualité des cartes de circuit imprimé, mais également d'empêcher efficacement l'endommagement des cartes de circuit imprimé (4) pendant le test.
PCT/CN2018/105451 2018-09-13 2018-09-13 Dispositif de test de cartes de circuit imprimé WO2020051828A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE212018000034.4U DE212018000034U1 (de) 2018-09-13 2018-09-13 Prüfvorrichtung für Leiterplatten
PCT/CN2018/105451 WO2020051828A1 (fr) 2018-09-13 2018-09-13 Dispositif de test de cartes de circuit imprimé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/105451 WO2020051828A1 (fr) 2018-09-13 2018-09-13 Dispositif de test de cartes de circuit imprimé

Publications (1)

Publication Number Publication Date
WO2020051828A1 true WO2020051828A1 (fr) 2020-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/105451 WO2020051828A1 (fr) 2018-09-13 2018-09-13 Dispositif de test de cartes de circuit imprimé

Country Status (2)

Country Link
DE (1) DE212018000034U1 (fr)
WO (1) WO2020051828A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110290648A (zh) * 2019-06-10 2019-09-27 邓旭辉 一种软性电路板的psa胶压合装置及热压机
CN111610404A (zh) * 2020-06-17 2020-09-01 昆山迈致治具科技有限公司 一种测试装置
CN112345950A (zh) * 2020-12-02 2021-02-09 向双英 一种电池测试装置
CN112798938A (zh) * 2021-02-04 2021-05-14 东莞长城开发科技有限公司 血液分析仪功能测试装置
CN113092988A (zh) * 2021-03-17 2021-07-09 杭州广安汽车电器有限公司 一种pcba板用自动化检测台
TWI748773B (zh) * 2020-11-30 2021-12-01 技嘉科技股份有限公司 輸入輸出埠的自動檢測設備
CN114001956A (zh) * 2021-11-03 2022-02-01 湖南美蓓达科技股份有限公司 一种微型轴承灵活性检测装置
CN114114729A (zh) * 2021-11-06 2022-03-01 深圳市欧冠微电子科技有限公司 一种一体黑液晶显示器模组测试工装
CN114235833A (zh) * 2021-12-14 2022-03-25 深圳仁海实业有限公司 一种高密度互连印制电路板的背板移送检测设备
CN114954598A (zh) * 2022-06-10 2022-08-30 斯比泰电子（嘉兴）有限公司 一种电子测试用全自动智能上下料的小车
CN117890772A (zh) * 2024-03-18 2024-04-16 盐城市嘉鸿微电子有限公司 一种可调集成电路测试治具
CN117991081A (zh) * 2024-04-07 2024-05-07 新乡学院 一种pcb板在线自动检测装置

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CN110568344A (zh) * 2019-09-25 2019-12-13 深圳市海能达通信有限公司 一种测试模组和测试设备
CN112191627B (zh) * 2020-10-16 2023-12-12 深圳市美雅洁技术股份有限公司 清洗装置和清洗设备
CN113655375B (zh) * 2021-09-18 2024-05-14 深圳市浦洛电子科技有限公司 在线测试烧录设备
CN114029905A (zh) * 2021-11-05 2022-02-11 昆山市协联电子有限公司 一种便于电路板检测与返修的工作台
CN114034578B (zh) * 2021-11-11 2024-05-24 广东君治电子有限公司 一种特殊电路板抗折弯性测试机
CN114236200B (zh) * 2021-12-17 2023-06-20 鹰潭市云探电子科技有限公司 一种位置可调节的电动测试针装置
CN117741409B (zh) * 2023-12-28 2024-06-18 苏州威尔菲特实业发展有限公司 一种具有可调式定位机构的pcba板测试装置

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CN108414920A (zh) * 2018-03-15 2018-08-17 昆山翰辉电子科技有限公司 线路板测试设备
CN108445375A (zh) * 2018-05-07 2018-08-24 东莞市智配机电科技有限公司 一种汽车用集成电路芯片检测夹具

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CN1575418A (zh) * 2001-10-22 2005-02-02 伊来克格拉斯有限公司 操作和测试晶片的装置和方法
CN207689629U (zh) * 2017-10-20 2018-08-03 江西鼎峰电子科技股份有限公司 一种pcb板自动检测装置
CN108387839A (zh) * 2018-03-15 2018-08-10 昆山翰辉电子科技有限公司 线路板自动电测设备
CN108414920A (zh) * 2018-03-15 2018-08-17 昆山翰辉电子科技有限公司 线路板测试设备
CN108445375A (zh) * 2018-05-07 2018-08-24 东莞市智配机电科技有限公司 一种汽车用集成电路芯片检测夹具

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110290648A (zh) * 2019-06-10 2019-09-27 邓旭辉 一种软性电路板的psa胶压合装置及热压机
CN111610404A (zh) * 2020-06-17 2020-09-01 昆山迈致治具科技有限公司 一种测试装置
TWI748773B (zh) * 2020-11-30 2021-12-01 技嘉科技股份有限公司 輸入輸出埠的自動檢測設備
CN112345950A (zh) * 2020-12-02 2021-02-09 向双英 一种电池测试装置
CN112798938A (zh) * 2021-02-04 2021-05-14 东莞长城开发科技有限公司 血液分析仪功能测试装置
CN113092988B (zh) * 2021-03-17 2024-05-14 杭州广安汽车电器有限公司 一种pcba板用自动化检测台
CN113092988A (zh) * 2021-03-17 2021-07-09 杭州广安汽车电器有限公司 一种pcba板用自动化检测台
CN114001956A (zh) * 2021-11-03 2022-02-01 湖南美蓓达科技股份有限公司 一种微型轴承灵活性检测装置
CN114114729A (zh) * 2021-11-06 2022-03-01 深圳市欧冠微电子科技有限公司 一种一体黑液晶显示器模组测试工装
CN114235833A (zh) * 2021-12-14 2022-03-25 深圳仁海实业有限公司 一种高密度互连印制电路板的背板移送检测设备
CN114954598A (zh) * 2022-06-10 2022-08-30 斯比泰电子（嘉兴）有限公司 一种电子测试用全自动智能上下料的小车
CN117890772A (zh) * 2024-03-18 2024-04-16 盐城市嘉鸿微电子有限公司 一种可调集成电路测试治具
CN117890772B (zh) * 2024-03-18 2024-05-28 盐城市嘉鸿微电子有限公司 一种可调集成电路测试治具
CN117991081A (zh) * 2024-04-07 2024-05-07 新乡学院 一种pcb板在线自动检测装置
CN117991081B (zh) * 2024-04-07 2024-06-07 新乡学院 一种pcb板在线自动检测装置

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