CN207541105U - A kind of module test fixture tooling based on PCB needle plate structures - Google Patents
A kind of module test fixture tooling based on PCB needle plate structures Download PDFInfo
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- CN207541105U CN207541105U CN201721663492.8U CN201721663492U CN207541105U CN 207541105 U CN207541105 U CN 207541105U CN 201721663492 U CN201721663492 U CN 201721663492U CN 207541105 U CN207541105 U CN 207541105U
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Abstract
The utility model proposes a kind of module test fixture toolings based on PCB needle plate structures, including tooling ontology, fixture upper pallet, fixture lower pallet, stroke fixes slide-bar, fixture handlebar mechanism and PCB printed wires plant needle plate, fixture upper pallet is mounted on tooling body upper part, fixture lower pallet be fixedly connected with fixture handlebar mechanism and with fixture upper pallet up and down it is corresponding, stroke fixation slide-bar is vertically arranged and is used to limit the stroke range of fixture lower pallet, PCB printed wires plant needle plate and are arranged on fixture upper pallet lower surface, front is fixed pin bit architecture, reverse side is printed wire layer.The utility model, which uses pcb board fixed pin position and directly printed on pcb board, has the characteristics that the circuit for meeting differential signal, can effectively shield the situation of test pictures interference and shake, reduces picture signal attenuation, increases the stability and reliability of picture.
Description
Technical field
The utility model is related to a kind of structural improvement of test fixture, especially a kind of module based on PCB needle plate structures
Test fixture tooling.
Background technology
As the rapid development test system of social production has been widely applied to the every field of enterprise's production.During test
Due to the stability and accuracy of the test system that are therefore greatly reduced there are interference phenomenon, when serious, cisco unity malfunction is also
Error due production efficiency can be caused to reduce production quality.
Therefore the various aspects such as test method from the design and manufacture of testing scheme to the later stage all have to pay the utmost attention to resist
Interference problem generates the research of interference into the important link and difficult point of measuring technology when testing reducing.
Invention content
The technical issues of the utility model solves is to provide a kind of module test fixture work based on PCB needle plate structures
Dress changes the method that the random welding of single-core line is used between traditional test fixture close beta needle and jockey ox horn, but
Being directly printed using pcb board fixed pin position and on pcb board has the characteristics that the circuit for meeting differential signal, can effectively shield survey
The situation of picture interference and shake is tried, reduces picture signal attenuation, increases the stability and reliability of picture.
Realize the utility model aim technical solution be：
A kind of module test fixture tooling based on PCB needle plate structures, including：Under tooling ontology, fixture upper pallet, fixture
Supporting plate, stroke fix slide-bar, fixture handlebar mechanism and PCB printed wires and plant needle plate, and fixture upper pallet is mounted on tooling ontology
Portion, fixture lower pallet be fixedly connected with fixture handlebar mechanism and with fixture upper pallet up and down it is corresponding, stroke fixation slide-bar vertically set
The stroke range of fixture lower pallet is put and is used to limit, PCB printed wires plant needle plate and are fixed on fixture upper pallet bottom；
Wherein, it is fixed pin bit architecture that PCB printed wires, which plant needle plate front, and reverse side is printed wire layer.
Further, the module test fixture tooling based on PCB needle plate structures of the utility model, PCB printed wires are planted
Needle plate front includes：
Test panel connector golden finger coating is arranged on PCB printed wires and plants needle plate side, for welding test panel connection
Device；
Assignment test plate via is distributed in the surrounding of module plate to be tested, for installing Board Under Test positioning column；
Needle plate pin hole is planted, is distributed in the test point that board under test is reserved, needle guard is tested for fixed；
EDP connector golden finger coatings are arranged on the groove side that PCB printed wires plant needle plate side, connect for welding EDP
Device is connect, EDP connectors are used to import test signal.
Further, the module test fixture tooling based on PCB needle plate structures of the utility model, connector is using flexible
Flat cable FFC cable structure connectors.
Further, the module test fixture tooling based on PCB needle plate structures of the utility model, PCB printed wires are planted
Needle plate reverse side includes pin hole and test panel connector printed wire layer, is applied for connecting test plate pin hole and connector golden finger
Layer.
Further, the module test fixture tooling based on PCB needle plate structures of the utility model, pin hole connect with test panel
The circuit for connecing device printed wire layer is differential signal wire structures.
Further, the module test fixture tooling based on PCB needle plate structures of the utility model, PCB printed wires are planted
Needle plate thickness is 0.8mm.
The utility model compared with prior art, has following technique effect using above technical scheme：
1st, the utility model can effectively shield the situation of test pictures interference and shake, reduce picture signal attenuation, increase
Add the stability and reliability of picture；
2nd, time for using and repairing that consumptive material is greatly reduced without wire bonding of the testing needle of the utility model and test panel
Number, the consumptive material spending greatlyd save and maintenance cost；
3rd, the utility model is simple in structure, compact in design, maintenance easy to repair.
Description of the drawings
Fig. 1 is that the PCB printed wires of the utility model plant needle plate positive structure schematic；
Fig. 2 is that the PCB printed wires of the utility model plant needle plate reverse structure schematic；
Fig. 3 is the module test fixture tooling overall structure diagram based on PCB needle plate structures of the utility model.
Reference numeral meaning：1：Test panel connector golden finger coating, 2：Assignment test plate via, 3：Test board pin hole,
4：EDP connector golden finger coatings, 5：Pin hole and test panel connector printed wire layer, 6：Fixture lower pallet, 7：Fixture crank
Mechanism, 8：Stroke fixation slide-bar, 9：Fixture upper pallet, 10：Printed wire plant needle plate, 11：Board under test.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and cannot be construed to this practicality
Novel limitation.
A kind of module test fixture tooling based on PCB needle plate structures, as shown in figure 3, including：On tooling ontology, fixture
Supporting plate 9, fixture lower pallet 6, stroke fix slide-bar 8, fixture handlebar mechanism 7 and PCB printed wires and plant needle plate 10, fixture upper pallet
9 are mounted on tooling body upper part, and fixture lower pallet 6 is fixedly connected and right about 9 with fixture upper pallet with fixture handlebar mechanism 7
Should, stroke fixation slide-bar 8 is vertically arranged and is used to limit the stroke range of fixture lower pallet 6, and it is solid that PCB printed wires plant needle plate 10
It is scheduled on 9 bottom of fixture upper pallet；Wherein, it is fixed pin bit architecture that PCB printed wires, which plant 10 front of needle plate, and reverse side is printed wire
Layer.
As shown in Figure 1, PCB printed wires, which plant 10 front of needle plate, includes test panel connector golden finger coating 1, assignment test
Plate via 2 plants needle plate pin hole 3 and EDP connector golden fingers coating 4, wherein, test panel connector golden finger coating 1 is arranged on
PCB printed wires plant 10 side of needle plate, for welding test panel connector；Assignment test plate via 2 is distributed in module to be tested
The surrounding of plate 11 for installing Board Under Test positioning column, prevents occurring position movement during module board test to be tested；Plant needle plate pin hole
3 are distributed in the reserved test point of module plate 11 to be tested, and needle guard is tested for fixed；EDP connector golden fingers coating 4 is set
The groove side of 10 side of needle plate is planted in PCB printed wires, for welding EDP connectors, EDP connectors are believed for importing test
Number.
As shown in Fig. 2, PCB printed wires, which plant 10 reverse side of needle plate, includes pin hole and test panel connector printed wire layer 5, use
In connecting test plate pin hole 3 and connector golden finger coating 1.
Embodiment 1
A kind of module test fixture tooling based on PCB needle plate structures, including under tooling ontology, fixture upper pallet 9, fixture
Supporting plate 6, stroke fix slide-bar 8, fixture handlebar mechanism 7 and PCB printed wires and plant needle plate, and fixture upper pallet 9 is mounted on tooling sheet
Body top, fixture lower pallet 6 is fixedly connected with fixture handlebar mechanism 7 and, stroke fixation slide-bar corresponding about 9 with fixture upper pallet
8 stroke ranges vertically arranged and for limiting fixture lower pallet 6, PCB printed wires plant needle plate 10 and are fixed on fixture upper pallet 9
Bottom；Wherein, it is fixed pin bit architecture that PCB printed wires, which plant the front of needle plate 10, and reverse side is printed wire layer, thickness 0.8mm,
The thickness makes it have stable rigidity in order to be implanted into needle guard, and ensure the normal use of testing needle during production test.
PCB printed wires plant 10 front of needle plate and include test panel connector golden finger coating 1, assignment test plate via 2, survey
Test plate (panel) pin hole 3 and EDP connector golden fingers coating 4, wherein, test panel connector golden finger coating 1 is arranged on PCB printed wires
10 side of needle plate is planted, for welding test panel connector；Assignment test plate via 2 is distributed in the surrounding of module plate 11 to be tested,
For installing Board Under Test positioning column, prevent occurring position movement during module board test to be tested；Plant needle plate pin hole 3 is distributed in be measured
In the reserved test point of die trial group plate 11, needle guard is tested for fixed, testing needle set is for being inserted into T-CON testing needles；EDP connections
Device golden finger coating 4 is arranged on the groove side that PCB printed wires plant needle plate side, for welding EDP connectors, EDP connectors
For importing test signal；Preferably, connector uses flexible flat cable FFC cable structure connectors, and the connector is opposite
In traditional header connector there is small, shielding to interfere strong advantage.
PCB printed wires plant 10 reverse side of needle plate and include pin hole and test panel connector printed wire layer 5, for connecting test
Plate pin hole 3 and connector golden finger coating 1, wherein, the circuit of pin hole and test panel connector printed wire layer 5 is differential signal
Wire structures, the structure can effectively shield the situation of test pictures interference and shake, reduce picture signal attenuation, increase picture
Stability and reliability.
The course of work of the module test fixture tooling based on PCB needle plate structures of this programme is as follows：
PCB printed wires plant needle plate 10 is fixed on 9 bottom of fixture upper pallet, T-CON plates to be tested is put by the 1st step
On fixture lower pallet 6；
2nd step, operating personnel are moved up, while drive fixture by shake handle fixture handlebar mechanism 7
Lower pallet 6 is moved up along stroke fixing axle 8, until T-CON plates to be tested are combined with fixture upper pallet 9；
3rd step, PCB printed wires plant needle plate 10 and load T-CON plates to be tested, start test pictures；
4th step, test panel connector golden finger coating 1, pin hole and test panel connector printed wire layer 5 and test panel phase
Connection, test panel show corresponding test pictures.
The module test fixture tooling based on PCB needle plate structures of this programme, changes traditional test fixture close beta
The mode of single wire bonding is used between needle and jockey ox horn, has innovatively used and has put pin mark, and uses PCB printed wires
Needle plate fixed pin position is planted, the mode that circuit is directly printed on PCB printed wires plant needle plate transmits letter in a manner of parallel difference
Number so that its picture tested out effectively shields test pictures interference, increases the stability and reliability of picture.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvement can also be made, these improvement should be regarded as this
The protection domain of utility model.
Claims (6)
1. a kind of module test fixture tooling based on PCB needle plate structures, which is characterized in that including：Tooling ontology, fixture pop-up
Plate (9), fixture lower pallet (6), stroke fix slide-bar (8), fixture handlebar mechanism (7) and PCB printed wires plant needle plate, on fixture
Supporting plate (9) mounted on tooling body upper part, fixture lower pallet (6) be fixedly connected with fixture handlebar mechanism (7) and with fixture pop-up
Plate (9) corresponds to up and down, and stroke fixation slide-bar (8) is vertically arranged and is used to limit the stroke range of fixture lower pallet (6), PCB prints
Brush circuit plants needle plate (10) and is fixed on fixture upper pallet (9) bottom；
Wherein, it is fixed pin bit architecture that PCB printed wires, which plant needle plate front, and reverse side is printed wire layer.
2. the module test fixture tooling according to claim 1 based on PCB needle plate structures, which is characterized in that PCB prints
Circuit is planted needle plate front and is included：
Test panel connector golden finger coating (1) is arranged on PCB printed wires and plants needle plate side, for welding test panel connection
Device；
Assignment test plate via (2) is distributed in the surrounding of module plate (11) to be tested, for installing Board Under Test positioning column；
Needle plate pin hole (3) is planted, is distributed in the reserved test point of module plate (11) to be tested, needle guard is tested for fixed；
EDP connector golden finger coatings (4) are arranged on the groove side that PCB printed wires plant needle plate side, connect for welding EDP
Device is connect, EDP connectors are used to import test signal.
3. the module test fixture tooling according to claim 2 based on PCB needle plate structures, which is characterized in that connector
Using flexible flat cable FFC cable structure connectors.
4. the module test fixture tooling according to claim 1 based on PCB needle plate structures, which is characterized in that PCB prints
Circuit plants needle plate reverse side and includes pin hole and test panel connector printed wire layer (5), for connecting test plate pin hole (3) and connection
Device golden finger coating (1).
5. the module test fixture tooling according to claim 4 based on PCB needle plate structures, which is characterized in that pin hole with
The circuit of test panel connector printed wire layer (5) is differential signal wire structures.
6. the module test fixture tooling according to claim 1 based on PCB needle plate structures, which is characterized in that PCB prints
It is 0.8mm that circuit, which plants needle plate thickness,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721663492.8U CN207541105U (en) | 2017-12-04 | 2017-12-04 | A kind of module test fixture tooling based on PCB needle plate structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721663492.8U CN207541105U (en) | 2017-12-04 | 2017-12-04 | A kind of module test fixture tooling based on PCB needle plate structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541105U true CN207541105U (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721663492.8U Active CN207541105U (en) | 2017-12-04 | 2017-12-04 | A kind of module test fixture tooling based on PCB needle plate structures |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633218A (en) * | 2019-01-08 | 2019-04-16 | 武平飞天电子科技有限公司 | It is a kind of to replace testing jig craft termination and mode of connection using PCB or FPC |
| CN110196389A (en) * | 2019-06-28 | 2019-09-03 | 飞毛腿电池有限公司 | A kind of whole jigsaw dress pcb board test method |
| CN112285536A (en) * | 2020-10-23 | 2021-01-29 | 鉴丰电子科技有限公司 | Unified test equipment for fan circuit board and use method |
-
2017
- 2017-12-04 CN CN201721663492.8U patent/CN207541105U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633218A (en) * | 2019-01-08 | 2019-04-16 | 武平飞天电子科技有限公司 | It is a kind of to replace testing jig craft termination and mode of connection using PCB or FPC |
| CN110196389A (en) * | 2019-06-28 | 2019-09-03 | 飞毛腿电池有限公司 | A kind of whole jigsaw dress pcb board test method |
| CN112285536A (en) * | 2020-10-23 | 2021-01-29 | 鉴丰电子科技有限公司 | Unified test equipment for fan circuit board and use method |
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