WO2019041548A1 - 一种邮票孔pcb板的检测工具 - Google Patents

一种邮票孔pcb板的检测工具 Download PDF

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Publication number
WO2019041548A1
WO2019041548A1 PCT/CN2017/109775 CN2017109775W WO2019041548A1 WO 2019041548 A1 WO2019041548 A1 WO 2019041548A1 CN 2017109775 W CN2017109775 W CN 2017109775W WO 2019041548 A1 WO2019041548 A1 WO 2019041548A1
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Prior art keywords
pcb board
thimble
stamp hole
side thimble
inspection tool
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PCT/CN2017/109775
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English (en)
French (fr)
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刘杰
周暖
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深圳合纵富科技有限公司
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Publication of WO2019041548A1 publication Critical patent/WO2019041548A1/zh

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    • 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 invention relates to the field of detecting stamp hole PCB boards, in particular to a stamping hole PCB board detecting tool.
  • the stamp hole PCB board is metallized half-hole on all four sides. In addition to the four-sided edge, the inside also has a bare metallized half-hole connected to the edge.
  • the board is currently The test of the function is relatively difficult, and the test stand provided on the market is in contact with the inner metallized half hole by the thimble, thereby realizing the test, or a multi-stamp hole PCB board test device disclosed in the invention patent 2011103951325, The trapezoid is used in a large and small way.
  • the upper end has a movable slot at the lower end, and the height between the substrates can be adjusted by the screw to ensure the pick-and-place and contact of the PCB.
  • the test frame takes up a large space. Because the trapezoidal structure is fixed, it is not very convenient to use, and it is not so easy to pick and place.
  • the object of the present invention is to provide a stamping hole test stand that is easy to pick and place and test, which is an inspection tool that is different from the existing stamp hole PCB board.
  • a stamp hole PCB board inspection tool includes an inner box, and a tray on the inner box, the tray has a raised PCB board fixing bracket and four side thimble brackets, and the PCB board fixing bracket is on four sides Inside the thimble bracket, the pallet is further provided with a sliding slot for sliding matching of the side thimble bracket, and the sliding slot is disposed on the central vertical bisector.
  • the side thimble holder has wires for transmitting signals from the PCB board to the inner box.
  • the side thimble holder contains a thimble, and the thimble is an elastic thimble.
  • the side thimble holder is provided with a card slot.
  • the fixing bracket is composed of four uprights, and each of the pillars is further provided with a protrusion at one corner for clamping the PCB board.
  • the fixing bracket is placed on the same level as the four side thimble brackets after placing the stamp hole PCB board to be tested.
  • the side thimble holder is L-shaped.
  • the invention utilizes the characteristics that the four edges of the stamp hole are also exposed with metallized half holes, which is different from the manner of vertical detection of the inner metallized half hole at present, and the horizontal elastic thimble is used to contact the metallized half hole to transmit signals, which is compatible with different. Dimensional stamp hole PCB board.
  • Figure 1 is a perspective view of an embodiment of the present invention.
  • FIG. 2 is a partial enlarged view of a side thimble bracket of an embodiment of the present invention.
  • Figure 3 is a diagram showing the state of use of an embodiment of the present invention.
  • FIG. 4 is a schematic view of a sliding slot of an embodiment of the present invention.
  • 1 is the stamp hole PCB board
  • 2 is the inner box
  • 3 is the pallet
  • 310 is the sliding slot
  • 311 is the fixed bracket
  • 312 is the four side thimble bracket
  • 313 is the protrusion
  • 314 is the card position
  • 315 is the thimble .
  • a stamp hole PCB board inspection tool includes an inner box 2, and the inner box 2 has a tray 3, and the tray 3 has a raised PCB board fixing bracket 311 and four.
  • One side thimble bracket 312, the PCB board fixing bracket 311 is inside the four side thimble brackets 312, and the pallet 3 is further provided with a sliding slot 310 for sliding matching of the side thimble bracket 312, the sliding slot 310 is disposed at the center
  • the side thimble bracket 312 is on the outermost side of the sliding slot, near the edge of the pallet. In the test state, the four side thimble brackets 312 are pressed against the stamp hole PCB board 1 by the sliding groove movement adjustment position.
  • the fixing bracket 311 is fixed by screws, and the screw holes are arranged below the fixing bracket, and the corresponding screw holes (not shown) are also arranged on the pallet 3, and the detection of the stamp hole PCB board of each batch of different sizes can be Remove the mounting bracket and translate it into position and secure it with screws.
  • the side thimble bracket has a wire for transmitting the signal of the PCB board to the inner box
  • the side thimble bracket includes a thimble 315
  • the thimble 315 is horizontally placed
  • the thimble 315 is an elastic thimble, which can maximize contact with the metallized half hole.
  • the horizontally placed thimble 315 is in contact with the bare metallized half-hole on the four edges of the stamp hole PCB board to be tested.
  • the side thimble bracket 312 is L-shaped, which is convenient for manual adjustment.
  • the side thimble bracket is provided with a card position 314, and the stamp hole PCB board 1 is further fixed more accurately when the side thimble holder 312 is advanced.
  • the fixing bracket 311 is composed of four pillars, and each of the pillars is further provided with a protrusion 313 at one corner for clamping the PCB board.
  • the thimbles 315 of the four side thimble brackets 312 are on the same level as the metallized half holes of the four edges of the stamp hole PCB board 1 to be tested.
  • the inner box is a component such as a circuit board, and the stamp PCB board can be inspected and programmed by the inner box.
  • the inner box can also be provided with a reset switch, a power switch and a plurality of LED indicators, etc., so that the work, the detection and the like can be displayed, which is convenient for the user to observe and use.
  • the moving side thimble holder 312 aligns the ejector pin 315 with the metallized half hole on the PCB board, and then the PCB board can be placed on the PCB board. A series of operations such as detection.
  • the present invention has the following advantages:
  • the detecting device of the stamp hole PCB board of the invention can conveniently realize the operation of detecting and the like, and has a simple structure and is easy to realize resetting, and only needs to move the side thimble bracket. At the same time, each metalized half hole can be contacted by the elastic thimble, and the connection efficiency is high.
  • the protrusion 313 and the card position 314 are used for accurately fixing the stamp hole PCB board, and the fixing bracket can adjust the position to meet different specifications. The stamp hole is tested on the PCB board.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Pinball Game Machines (AREA)

Abstract

一种邮票孔PCB板的检测工具，包括内箱（2），在内箱（2）上有一托板（3），托板（3）上有凸起的PCB板固定支架（311）以及四个侧顶针支架（312），PCB板固定支架（311）在四个侧顶针支架（312）内侧，托板（3）上还设有用于侧顶针支架（312）滑动相匹配的滑动槽（310），滑动槽（310）设置在中心垂直等分线上；侧顶针支架（312）上含有顶针（315），所述顶针（315）为弹性顶针。利用邮票孔四边边缘也裸露金属化半孔的特性，利用水平方向的弹性顶针与金属化半孔接触，传递信号，能兼容不同尺寸的邮票孔PCB板。

Description

一种邮票孔PCB板的检测工具 [技术领域]
本发明涉及邮票孔PCB板的检测领域，特别是涉及一种邮票孔PCB板的检测工具。
[背景技术]
邮票孔PCB板四边均是金属化半孔，除了四边边缘之外，内侧也有与边缘连接的裸露的金属化半孔，但由于邮票孔的金属化半孔间的间距过密，目前对单板功能的测试相对比较困难，市场上提供的测试架都是采用的顶针的方式与内侧的金属化半孔接触，从而实现测试，或者如发明专利2011103951325公开的一种多邮票孔PCB板测试装置，采用梯形上大下小的方式，上端固定下端有活动槽，并可由螺丝自行调整基板间的高度来保证PCB板的取放与接触，虽然解决了其能够兼容不同尺寸，但是测试架占用空间大，由于其梯形的结构是固定的，使用起来并不是十分方便，取放不是那么容易。
[发明内容]
本发明的目的是为了提供一种区别于现有邮票孔PCB板的检测工具，实现容易取放以及测试的邮票孔测试架。
本发明的技术方案如下：
一种邮票孔PCB板的检测工具，包括内箱，在内箱上有一托板，所述托板上有凸起的PCB板固定支架以及四个侧顶针支架，PCB板固定支架在四个侧顶针支架内侧，所述托板上还设有用于侧顶针支架滑动相匹配的滑动槽，所述滑动槽设置在中心垂直等分线上。
作为本发明的进一步改进，侧顶针支架有导线用于将PCB板的信号传到内箱。
作为本发明的进一步改进，侧顶针支架上含有顶针，所述顶针为弹性顶针。
作为本发明的进一步改进，侧顶针支架上设有卡位。
作为本发明的进一步改进，固定支架为四个立柱构成，所述每个立柱一角还设有凸起，用于卡住PCB板。
作为本发明的进一步改进，所述固定支架在放置待测邮票孔PCB板之后，和四个侧顶针支架处于同一水平面上。
作为本发明的进一步改进，所述的侧顶针支架为L型。
本发明的有益效果为：
本发明利用邮票孔四边边缘也裸露有金属化半孔的特性，与目前普遍采用内侧金属化半孔垂直检测的方式不同，利用水平方向的弹性顶针与金属化半孔接触传递信号，能兼容不同 尺寸的邮票孔PCB板。
[附图说明]
图1是本发明实施例立体图。
图2是本发明实施例侧顶针支架局部放大图。
图3是本发明实施例使用状态图。
图4是本发明实施例滑动槽示意图。
其中，1为邮票孔PCB板，2为内箱，3为托板，310为滑动槽，311为固定支架，312为四个侧顶针支架，313为凸起，314为卡位，315为顶针。
[具体实施方式]
为了使本发明实现的技术手段清晰明了，下面结合附图进一步阐述本实用新型。
如图1-4所示，一种邮票孔PCB板的检测工具，包括内箱2，在内箱2上有一托板3，所述托板3上有凸起的PCB板固定支架311以及四个侧顶针支架312，PCB板固定支架311在四个侧顶针支架312内侧，所述托板3上还设有用于侧顶针支架312滑动相匹配的滑动槽310，所述滑动槽310设置在中心垂直等分线上，在非测试状态下，侧顶针支架312在滑动槽的最外侧，靠近托板的边缘。在测试状态时，四个侧顶针支架312通过滑动槽活动调整位置紧压邮票孔PCB板1。
其中固定支架311通过螺丝固定，固定支架的下方有螺丝孔，托板3上也有相对应的螺孔(图中未画出)，针对每一批次不同尺寸的邮票孔PCB板的检测，可以拆卸固定支架，并且平移至合适位置，再用螺丝从下方固定。
侧顶针支架有导线用于将PCB板的信号传到内箱，侧顶针支架上含有顶针315，顶针315水平放置，所述顶针315为弹性顶针，能够最大限度的与金属化半孔接触，在测试时，水平放置的顶针315与待测的邮票孔PCB板四边边缘裸露的金属化半孔接触。所述的侧顶针支架312为L型，方便手动调整。侧顶针支架上设有卡位314，进一步的在侧顶针支架312推进中间时，更加准确的固定邮票孔PCB板1。固定支架311为四个立柱构成，所述每个立柱一角还设有凸起313，用于卡住PCB板。
所述固定支架311在放置待测邮票孔PCB板1之后，四个侧顶针支架312的顶针315与待测邮票孔PCB板1四边边缘的的金属化半孔处于同一水平面上。
内箱为放置电路板等部件，通过内箱即可对邮票PCB板进行检测以及程序烧录等操作。内箱上还可以设有复位开关、电源开关以及若干LED指示灯等，则能够显示工作、检测等状况，方便用户观察使用。
在使用过程中，只需事先设置好固定支架位置，放置待测邮票孔PCB板，移动侧顶针支架312将顶针315与PCB板上的金属化半孔对准接触，然后即可对PCB板进行检测等一系列的操作。
综上，本发明具有如下优点：
本发明所述的邮票孔PCB板的检测装置能较为方便实现检测等操作，且结构简单，容易实现复位，只需移动侧顶针支架即可。同时，通过弹性顶针能够实现每一个金属化半孔都能够接触，连接效率高，凸起313和卡位314都是用于精准的固定邮票孔PCB板，固定支架能够调整位置，满足不同规格尺寸的邮票孔PCB板的检测。
以上所述仅为本发明的优选实施方式，本发明的保护范围并不仅限于上述实施方式，凡是属于本发明原理的技术方案均属于本发明的保护范围。对于本领域的技术人员而言，在不脱离本发明的原理的前提下进行的若干改进，这些改进也应视为本发明的保护范围。

Claims (7)

  1. 一种邮票孔PCB板的检测工具，其特征在于，包括内箱，在内箱上有一托板，所述托板上有凸起的PCB板固定支架以及四个侧顶针支架，PCB板固定支架在四个侧顶针支架内侧，所述托板上还设有用于侧顶针支架滑动相匹配的滑动槽，所述滑动槽设置在中心垂直等分线上。
  2. 根据权利要求1所述的一种邮票孔PCB板的检测工具，其特征在于，侧顶针支架有导线用于将PCB板的信号传到内箱。
  3. 根据权利要求1所述的一种邮票孔PCB板的检测工具，其特征在于，侧顶针支架上含有顶针，所述顶针为弹性顶针。
  4. 根据权利要求1所述的一种邮票孔PCB板的检测工具，其特征在于，侧顶针支架上设有卡位。
  5. 根据权利要求1所述的一种邮票孔PCB板的检测工具，其特征在于，固定支架为四个立柱构成，所述每个立柱一角还设有凸起，用于卡住PCB板。
  6. 根据权利要求1所述的一种邮票孔PCB板的检测工具，其特征在于，所述固定支架在放置待测邮票孔PCB板之后，和四个侧顶针支架处于同一水平面上。
  7. 根据权利要求1所述的一种邮票孔PCB板的检测工具，其特征在于，所述的侧顶针支架为L型。
PCT/CN2017/109775 2017-09-01 2017-11-07 一种邮票孔pcb板的检测工具 WO2019041548A1 (zh)

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