CN2684207Y

CN2684207Y - Prick mark proof testing device

Info

Publication number: CN2684207Y
Application number: CN 200420011415
Authority: CN
Inventors: 林鸿霖
Original assignee: Kun Yi Electronic (shenzhen) Co Ltd
Current assignee: Kun Yi Electronic (shenzhen) Co Ltd
Priority date: 2004-01-08
Filing date: 2004-01-08
Publication date: 2005-03-09
Anticipated expiration: 2014-01-08

Abstract

The utility model discloses a prick mark proof testing device, specially used to test the complete conduction and the using of the circuit of the high-density fine circuit board, such as the large size panel (TFT-LCD) of the high order. The specific gum conducting interface has the medium function of the conduction, thus, the needle mark of the base board to be measured easily produced by the high density fineness wiring board can be prevented. The utility model is composed of the gum conducting interface, an adapter board, an adaptor fixing plate, a test probe, a conductor wire, an ox horn row line, an external connecting special-purpose testing machine and a specially designed and used screen or network line maintenance software; the screen or the network line maintenance software is matched with the external connecting special-purpose testing machine. The gum conducting interface made of gum elastic material has the test function by conducting the base board to be measured and the conductor wire. With the production of the gum conducting interface, the needle mark easily produced by the high density fineness wiring board when testing can be prevented.

Description

The prick mark proof measurement jig

Technical field

The utility model relates to a kind of testing tool for circuit board, particularly a kind of prick mark proof measurement jig.

Background technology

General known printed circuit board test board as shown in Figure 1, all is to fasten with a probe 20 ' to place fixed head group 2 hole inside to pass through at present, and the below processes with connection line 3 ' again;

So, probe structure with this moulding, and be not suitable for the trickle wiring board of high density, testing its circuit as the large size panel (TFT-LCD) of high-order must deny that complete conducting is used, reason is that probe that high density causes 20 ' is too small and contact jaw is easily too sharp-pointed and substrate to be measured is produced the injury of pin trace so that can't effectively evade test the time to the pin trace injury problem of substrate to be measured.

The utility model content

The purpose of this utility model is will solve the printed circuit board test board probe of commonly using substrate to be measured is produced the problem of pin trace injury, and a kind of prick mark proof measurement jig is provided.

The utility model includes a gum guiding surface and is placed in the card extender top, be mounted with corresponding switching fixed head under the card extender, the arrangement that the test probe filler plug places fixed plate body to have is put in order in the plural hole of preface, under connect conductor wires and connect news via the ox horn winding displacement, the screen maintenance software that one external special tester and collocation special designs thereof are used connects news and combines, and it is characterized in that:

Gum guiding surface is by colloid tool elasticity and the made diaphragm of material with conduction detection function, can be covered on the fixed head group when testing;

The card extender upper surface is provided with the detection salient point of intensive quantity, and card extender has output point and upwards even interrogates with surveying salient point, and communication downwards is in the switching fixed head;

The switching fixed head is neat several plate bodys of ordering, and each plate body is embedding to be had gradually down gradually outward-dipping certain angle and signal can be transmitted mutual locus and become big switching probe, and connects and interrogate on the output point that is provided with in the card extender lower surface;

Fixed plate body has the plural hole of arranging whole preface, and the fixed head hole can ccontaining test probe, but the test probe filler plug place in the plural hole of the whole preface of arrangement that fixed head has, test probe connects down and via conductor wires interrogates in winding displacement.

Described card extender can signal point expansion card extender mode be shaped, signal point enlarges the detection salient point that the card extender upper surface is provided with intensive quantity equally, by the transit line that is embedded in the card extender signal is transmitted mutual locus change greatly, and even interrogate on the output point of signal point expansion card extender lower surface setting; And enlarge the card extender below with the signal point of this moulding, can save the neat switching fixed head plate body structure of several orderings.

Description of drawings

Fig. 1 is the cut-open view of known tester table part-structure.

Fig. 2 is a three-dimensional appearance synoptic diagram of the present utility model.

Fig. 3 is a phantom view of the present utility model.

Fig. 4 is a subdivision structure cut-open view of the present utility model.

Fig. 5 is another embodiment three-dimensional appearance synoptic diagram of the present utility model.

Fig. 6 is a cut-open view embodiment illustrated in fig. 5.

Cut-open view when Fig. 7 is embodiment illustrated in fig. 3 the test.

Embodiment

See also Fig. 2, Fig. 3, shown in Figure 4, be first embodiment of the present utility model, its structure is, gum guiding surface 1 is placed in card extender 2 tops, card extender is mounted with neat switching fixed head of corresponding ordering 3 and switching probe 30 for 2 times, switching probe 30 downward output signals are in test probe 41, and the arrangement that test probe 41 filler plugs place fixed plate body 4 to be had is put in order in the plural hole 40 of preface, under connect conductor wires 50 and connect news via ox horn winding displacement 5, even interrogating institute with screen (networking) the maintenance software of an external special tester and the use of collocation special designs thereof combines, wherein, gum guiding surface 1 is by colloid tool elasticity and the made diaphragm of material with conduction detection function, its skin is a colloid membrane, inner is the conducting material, the conducting membrane sheet of inside gets final product conducting when being subjected to lower compression, can paste when testing and be placed on the card extender 2, and place when detecting on the conducting membrane sheet when plate body 6 to be measured, gum guiding surface 1 has the effect of conduction detection on the one hand, on the other hand, its diaphragm structure can be made effective safeguard measure, in case the sharp object of detection salient point 20 parts of spline fishplate bar 2 produces the injury of pin trace to board under test body 6;

Card extender 2 upper surfaces are provided with the detection salient point 20 of intensive quantity, and card extender 2 has output point 21 and upwards even interrogates with surveying salient point 20, and communication downwards is in switching fixed head 3;

Switching fixed head 3 is several neat plate bodys of ordering, each plate body is embedding gradually down the gradually switching probe 30 of outward-dipping certain angle, signal is transmitted mutual locus become big by being embedded in the switching fixed head 3 gradually down gradually the switching probe 30 of outward-dipping certain angle, strengthen the density of 30 of switching probes by this, be beneficial to the to transfer construction of probe, and switching fixed head 3 connects and interrogates on the output point 21 that is equipped with in card extender 2 lower surfaces.

See also Fig. 5, shown in Figure 6, be another embodiment of the present utility model, wherein, card extender 2 can signal point expansion card extender 2a mode be shaped, signal point enlarges the detection salient point 20 that card extender 2a upper surface is provided with intensive quantity equally, signal is transmitted mutual locus become big by being embedded in transit line 2a1 in the card extender 2a, and connect and interrogate on the output point 21 that is equipped with in signal point expansion card extender 2a lower surface; And enlarge card extender 2a below with the signal point of this moulding, can save neat switching fixed head 3 plate body structures of several orderings.

Fixed plate body 4 has the plural hole 40 of arranging whole preface, fixed head plural number hole 40 can ccontaining test probe 41, but the arrangement that test probe 41 filler plugs place fixed head 4 to be had is put in order in the plural hole 40 of preface, test probe 41 times, at the required test tie point of tested point of surveying salient point 20 representatives, even interrogate in ox horn winding displacement 5 via conductor wires 50;

Conductor wires 50 is positioned at test probe 41 times in the routing mode, conductor wires 50 can connect to be interrogated in ox horn winding displacement 5, even interrogates to reach the complete of measuring ability through screen (networking) the maintenance software of ox horn winding displacement 5 and an external special tester and the use of collocation special designs thereof.

See also Fig. 7, shown in Figure 4, when test, plate body 6 to be measured need only be settled to be put in and paste card extender 2 tops of being stamped gum guiding surface 1, survey salient point 20 and can connect the circuit point of interrogating on the plate body 6 to be measured, and when external force little after pressing down card extender 2, output point 21, switching probe 30 touches naturally with test probe 41 and closes guide, therefore settle the gum guiding surface 1 behind the plate body 6 to be measured, card extender 2 touches logical with fixed plate body 4, thereby whether conducting of the circuit of plate body 6 to be measured, can see through the detection salient point 20 and output point 21 of gum guiding surface 1 via card extender 2, switching probe 30 is by test probe 41, connect by conductor wires 50 again and interrogate, even interrogate to carry out the complete of measuring ability through screen (networking) the maintenance software of ox horn winding displacement 5 and an external special tester and the use of collocation special designs thereof in ox horn winding displacement 5.

The utility model in use; gum guiding surface 1 has the effect of conduction detection on the one hand; on the other hand; its conducting membrane chip architecture can be made effective safeguard measure to board under test body 6; in case the detection salient point 20 on the spline fishplate bar 2 needs reduced volume because density is big; cause sharp-pointed upper end that board under test body 6 is produced the injury of pin trace; and switching fixed head 3 or by interior gradually down gradually the switching probe 30 of outward-dipping certain angle signal can be transmitted mutual locus and become big; strengthen the density between the switching probe by this, the construction of the probe that is beneficial to transfer.

In addition, the utility model can enlarge the interior transit line 2a1 pattern of card extender 2a by signal point, signal is transmitted mutual locus become big, reduces the quantity of former tester table fixed head group.

Claims

1, a kind of prick mark proof measurement jig, it includes a gum guiding surface and is placed in the card extender top, be mounted with corresponding switching fixed head under the card extender, the arrangement that the test probe filler plug places fixed plate body to have is put in order in the plural hole of preface, under connect conductor wires and connect news via the ox horn winding displacement, the screen maintenance software that one external special tester and collocation special designs thereof are used connects news and combines, and it is characterized in that:

Gum guiding surface can be covered on the fixed head group for by colloid tool elasticity and the made diaphragm of material with conduction detection function when testing;

2, according to the described a kind of prick mark proof measurement jig of claim 1, it is characterized in that: described card extender can signal point expansion card extender mode be shaped, signal point enlarges the detection salient point that the card extender upper surface is provided with intensive quantity equally, by the transit line that is embedded in the card extender signal is transmitted mutual locus change greatly, and even interrogate on the output point of signal point expansion card extender lower surface setting; And enlarge the card extender below with the signal point of this moulding, can save the neat switching fixed head plate body structure of several orderings.