CN220490981U - Offline ICT jig - Google Patents
Offline ICT jig Download PDFInfo
- Publication number
- CN220490981U CN220490981U CN202321994439.1U CN202321994439U CN220490981U CN 220490981 U CN220490981 U CN 220490981U CN 202321994439 U CN202321994439 U CN 202321994439U CN 220490981 U CN220490981 U CN 220490981U
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- plate
- needle plate
- guard plate
- fixedly connected
- ict
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- 238000012360 testing method Methods 0.000 claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model relates to the technical field of ICT jigs, in particular to an offline ICT jig, which comprises an upper testing component and a lower testing component, wherein the lower testing component comprises a lower needle plate, the top of the lower needle plate is connected with a lower guard plate, the upper testing component comprises an upper needle plate, the bottom of the upper needle plate is connected with an upper guard plate, the upper guard plate and the lower guard plate are arranged in an up-down opposite mode, the opposite surfaces of the upper guard plate and the lower guard plate are respectively provided with a placing groove for placing a circuit board to be tested, the opposite surfaces of the lower needle plate and the upper needle plate are respectively provided with a plurality of probes, and the probes are contacted with pins of the circuit board to be tested to perform offline testing. According to the utility model, the circuit board to be tested is placed in the placing groove of the lower guard plate, the lower needle plate moves downwards, the bottoms of the positioning rods are inserted into the positioning holes of the lower needle plate and the lower guard plate and extend to the bottoms of the lower needle plate, so that the overall stability of the lower needle plate during downward movement is ensured, and a plurality of probes on the lower needle plate are in accurate contact with pins of the circuit board.
Description
Technical Field
The utility model relates to the technical field of ICT jigs, in particular to an offline ICT jig.
Background
In the manufacturing process of the circuit board, an ICT tester is adopted, whether the circuit board is qualified or not is detected through a matched testing jig, and the corresponding circuit board is required to be marked after the testing is finished so as to distinguish good products and defective products.
In circuit board test, the circuit board to be tested is placed in the test position manually, the upper needle plate moves downwards to drive the probes to move, the probes are contacted with pins of the circuit board to be tested for testing, then, deviation is easy to generate when the probes move downwards, so that the actual contact positions of the probes and the pins of the circuit board to be tested are inconsistent with the theoretical positions, and further, the test precision is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an offline ICT fixture, which solves the problems that in the related art, a plurality of probes are easy to deviate when moving downwards, so that the actual positions of the probes contacted with pins of a circuit board to be tested are inconsistent with the theoretical positions, and the test precision is reduced.
In order to solve the technical problems, the utility model provides the following technical scheme: the off-line ICT jig comprises an upper test assembly and a lower test assembly, wherein the lower test assembly comprises a lower needle plate, and the top of the lower needle plate is connected with a lower guard plate;
the upper test assembly comprises an upper needle plate, the bottom of the upper needle plate is connected with an upper guard plate, the upper guard plate and the lower guard plate are arranged in an up-down opposite mode, and the opposite surfaces of the upper guard plate and the lower guard plate are provided with placing grooves for placing a circuit board to be tested;
the opposite surfaces of the lower needle plate and the upper needle plate are respectively provided with a plurality of probes, the probes are in contact with pins of the circuit board to be tested for off-line test, namely, the ICT tester is connected with the lower needle plate and the upper needle plate, so that the circuit board can be tested off-line, the equipment such as a computer is not required to be additionally utilized, and the cost is reduced.
The lower needle plate and the lower guard plate are provided with a plurality of penetrating locating holes, the bottom of the upper needle plate is fixedly connected with a plurality of locating rods, the bottoms of the locating rods penetrate through the upper guard plate and the locating holes and extend to the bottom of the lower needle plate, the overall stability of the lower needle plate during downward movement is guaranteed, a plurality of probes on the lower needle plate are in contact with pins of the circuit board accurately, and the testing precision of the circuit board is improved.
Further, a plurality of guide posts are fixedly connected with the bottom of the upper needle plate, a plurality of guide holes penetrating through the top of the lower guard plate are formed in the top of the lower guard plate, the bottom of each guide post penetrates through the upper guard plate and is movably inserted into the guide holes, and when the lower needle plate moves downwards, the guide posts can be inserted into the guide holes, so that the stability of the lower needle plate is further improved.
Further, the bottom of guide pillar butt is at the top of faller down, is limited down the faller down shift position, prevents that the backplate from extruding the circuit board down, has played the effect of protection to the circuit board.
Further, a plurality of fixed sleeves are embedded on the lower needle plate, a plurality of fixed rods are fixedly connected to the bottom of the lower guard plate, the bottoms of the fixed rods are slidably inserted into the fixed sleeves, the fixed rods are inserted into the fixed sleeves, and the lower guard plate can be installed at the top of the lower needle plate.
Further, a plurality of connecting rods are fixedly connected to the top of the upper needle plate, and a ceiling is fixedly connected to the top of the connecting rod.
Further, a ox horn adapter plate is fixedly connected between the upper needle plate and the upper plate, and the ox horn adapter plate is fixedly connected to the ICT tester.
Further, the bottom of lower faller fixedly connected with underframe, the bottom of underframe both sides is all fixedly connected with mounting panel.
By means of the technical scheme, the utility model provides an offline ICT jig, which has at least the following beneficial effects:
1. this off-line ICT tool places the circuit board that awaits measuring in the standing groove of backplate down, and the faller moves down, and the bottom of locating lever inserts down in the locating hole of faller and backplate down to extend to the bottom of faller down, holistic stability when having guaranteed down the faller and moving down, make a plurality of probes on the faller and circuit board stitch contact accuracy down, improved the precision of circuit board test.
2. This off-line ICT tool sets up a plurality of fixed sleeves on lower faller, and sets up a plurality of dead levers in lower backplate bottom, can insert the dead lever in fixed sleeve, conveniently installs the top at lower faller with lower backplate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a rear elevational view of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the lower needle plate and the lower guard plate of the present utility model;
FIG. 4 is a top view of the upper needle plate, upper guard plate and ceiling structure of the present utility model;
fig. 5 is a bottom view of the upper needle plate, upper shield and ceiling structure of the present utility model.
In the figure: 1. a bottom box; 2. a lower needle plate; 3. a lower guard board; 4. positioning holes; 5. an upper needle plate; 6. an upper guard board; 7. a positioning rod; 8. a guide post; 9. a guide hole; 10. a connecting rod; 11. a ceiling plate; 12. ox horn adapting plate; 13. a fixed sleeve; 14. and a fixing rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 3, an offline ICT fixture comprises an upper test assembly and a lower test assembly, wherein the lower test assembly comprises a lower needle plate 2, and a lower guard plate 3 is connected to the top of the lower needle plate 2.
As shown in fig. 1, 2, 4 and 5, the upper test assembly comprises an upper needle plate 5, an upper guard plate 6 is connected to the bottom of the upper needle plate 5, the upper guard plate 6 and the lower guard plate 3 are arranged up and down oppositely, and the opposite surfaces of the upper guard plate 6 and the lower guard plate 3 are respectively provided with a placement groove for placing a circuit board to be tested.
As shown in fig. 3 and 5, the opposite surfaces of the lower needle plate 2 and the upper needle plate 5 are respectively provided with a plurality of probes, the probes are contacted with pins of the circuit board to be tested to perform off-line test, namely, test programs are programmed in advance on an ICT tester, the ICT tester is connected with the lower needle plate 2 and the upper needle plate 5, the circuit board can be subjected to off-line test, and the equipment such as a computer and the like is not required to be additionally utilized, so that the cost is reduced.
As shown in fig. 3, fig. 4 and fig. 5, a plurality of positioning holes 4 penetrating through are formed in the lower needle plate 2 and the lower guard plate 3, a plurality of positioning rods 7 are fixedly connected to the bottom of the upper needle plate 5, the bottoms of the positioning rods 7 penetrate through the upper guard plate 6 and the positioning holes 4 and extend to the bottom of the lower needle plate 2, a circuit board to be tested is placed in a placing groove of the lower guard plate 3, the lower needle plate 2 moves downwards, the bottoms of the positioning rods 7 are inserted into the positioning holes 4 of the lower needle plate 2 and the lower guard plate 3 and extend to the bottom of the lower needle plate 2, the overall stability of the lower needle plate 2 during downward movement is guaranteed, a plurality of probes on the lower needle plate 2 are in contact with pins of the circuit board accurately, and the test precision of the circuit board is improved.
As shown in fig. 3, 4 and 5, the bottom of the upper needle plate 5 is fixedly connected with a plurality of guide posts 8, the top of the lower guard plate 3 is provided with a plurality of guide holes 9 penetrating through, the bottom of the guide posts 8 passes through the upper guard plate 6 and is movably inserted into the guide holes 9, the bottom of the guide posts 8 is abutted to the top of the lower needle plate 2, when the lower needle plate 2 moves downwards, the guide posts 8 are inserted into the guide holes 9 and are abutted to the top of the lower needle plate 2, the lower moving position of the lower needle plate 2 is limited, and meanwhile, the circuit board is protected.
As shown in fig. 3, a plurality of fixing sleeves 13 are embedded on the lower needle plate 2, a plurality of fixing rods 14 are fixedly connected to the bottom of the lower guard plate 3, the bottoms of the fixing rods 14 are slidably inserted into the fixing sleeves 13, and the lower guard plate 3 is conveniently mounted on the top of the lower needle plate 2.
As shown in fig. 1 and 2, the top of the upper needle plate 5 is fixedly connected with a plurality of connecting rods 10, the top of the connecting rods 10 is fixedly connected with a top plate 11, a ox horn adapter plate 12 is fixedly connected between the upper needle plate 5 and the top plate 11, the ox horn adapter plate 12 is fixedly connected to an ICT tester, the bottom of the lower needle plate 2 is fixedly connected with a bottom box 1, and the bottoms of two sides of the bottom box 1 are fixedly connected with mounting plates.
The test process of the test method is off-line test, namely, the test program is pre-programmed on the ICT tester, the ICT tester is connected with the lower needle plate 2 and the upper needle plate 5, off-line test can be carried out on the circuit board, and the equipment such as a computer and the like is not required to be additionally utilized, so that the cost is reduced.
When the circuit board to be tested is placed in the placing groove of the lower guard plate 3, the lower needle plate 2 moves downwards, the bottoms of the positioning rods 7 are inserted into the positioning holes 4 of the lower needle plate 2 and the lower guard plate 3, the guide posts 8 are inserted into the guide holes 9 and abut against the top of the lower needle plate 2, and a plurality of probes are in accurate contact with pins of the circuit board;
and the test port of the ICT tester is connected with a plurality of probes on the ICT jig to form a physical loop, and after the physical loop is electrified, whether the logic line sequences of the probes are in one-to-one correspondence or not and whether open circuit or short circuit exists or not are judged by whether electric signals exist in the physical loop, and whether the circuit board is qualified or not is detected in an off-line mode.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an off-line ICT tool, includes test module and lower test module, its characterized in that: the lower test assembly comprises a lower needle plate (2), and the top of the lower needle plate (2) is connected with a lower guard plate (3);
the upper test assembly comprises an upper needle plate (5), an upper guard plate (6) is connected to the bottom of the upper needle plate (5), the upper guard plate (6) and the lower guard plate (3) are arranged in an up-down opposite mode, and the opposite faces of the upper guard plate (6) and the lower guard plate (3) are provided with placing grooves for placing circuit boards to be tested;
the opposite surfaces of the lower needle plate (2) and the upper needle plate (5) are respectively provided with a plurality of probes, and the probes are contacted with pins of the circuit board to be tested for off-line test;
a plurality of positioning holes (4) penetrating through the lower needle plate (2) and the lower guard plate (3) are formed in the lower needle plate, a plurality of positioning rods (7) are fixedly connected to the bottom of the upper needle plate (5), and the bottoms of the positioning rods (7) penetrate through the upper guard plate (6) and the positioning holes (4) and extend to the bottom of the lower needle plate (2);
the bottom of the upper needle plate (5) is fixedly connected with a plurality of guide posts (8), a plurality of guide holes (9) penetrating through the top of the lower guard plate (3) are formed in the top of the lower guard plate, the bottom of the guide posts (8) penetrates through the upper guard plate (6) and is movably inserted into the guide holes (9), and the bottom of the guide posts (8) is abutted to the top of the lower needle plate (2);
the lower needle plate (2) is embedded with a plurality of fixing sleeves (13), the bottom of the lower guard plate (3) is fixedly connected with a plurality of fixing rods (14), and the bottoms of the fixing rods (14) are slidably inserted into the fixing sleeves (13).
2. The offline ICT fixture according to claim 1, wherein: the top of going up faller (5) fixedly connected with a plurality of connecting rods (10), the top fixedly connected with sky board (11) of connecting rod (10).
3. The offline ICT fixture according to claim 2, wherein: the ox horn adapter plate (12) is fixedly connected between the upper needle plate (5) and the upper plate (11), and the ox horn adapter plate (12) is fixedly connected to the ICT tester.
4. The offline ICT fixture according to claim 1, wherein: the bottom of lower faller (2) fixedly connected with base case (1), the bottom of base case (1) both sides all fixedly connected with mounting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994439.1U CN220490981U (en) | 2023-07-27 | 2023-07-27 | Offline ICT jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994439.1U CN220490981U (en) | 2023-07-27 | 2023-07-27 | Offline ICT jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490981U true CN220490981U (en) | 2024-02-13 |
Family
ID=89840762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321994439.1U Active CN220490981U (en) | 2023-07-27 | 2023-07-27 | Offline ICT jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490981U (en) |
-
2023
- 2023-07-27 CN CN202321994439.1U patent/CN220490981U/en active Active
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