CN218512569U - Adapter plate of circuit board needle bed - Google Patents
Adapter plate of circuit board needle bed Download PDFInfo
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- CN218512569U CN218512569U CN202222079728.0U CN202222079728U CN218512569U CN 218512569 U CN218512569 U CN 218512569U CN 202222079728 U CN202222079728 U CN 202222079728U CN 218512569 U CN218512569 U CN 218512569U
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- circuit board
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- needle bed
- adapter plate
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Abstract
The utility model provides a pinboard of a circuit board needle bed, which belongs to the technical field of circuit board testing, wherein the pinboard comprises a functional test point and a connector group, and the functional test point is arranged corresponding to the test point of a tested circuit board; the connector group is respectively connected with the function test point and the test equipment, and tests the tested circuit board according to the signal of the test equipment. The power supply part and the signal part are thoroughly separated through the adapter plate, so that the interference between a power line and a signal line is reduced, and the connection reliability of the test point is enhanced.
Description
Technical Field
The utility model relates to a circuit board test technical field especially relates to a keysets of circuit board needle bed.
Background
The common circuit board needle bed is directly connected with the interior of the circuit board needle bed through a test needle, a power supply and a signal wire are easily twisted together, interference is easily caused, the measured data of the tested circuit board is unstable, and the connection reliability is poor.
At present, the scheme adopted is that a test needle of a needle bed of a circuit board is directly connected with a control point of the test needle bed, and a power supply part and a signal part of the circuit board to be tested are separately bound to reduce the interference of the measurement data of the circuit board. Although the power supply part and the signal part are bound separately, the test needles of the circuit board needle bed are twisted with the test wires of the test needles, so that the power supply part and the signal part cannot be separated completely, the test of the circuit board test needle bed is unstable, the interference cannot be shielded better, and the internal layout of the test wires of the circuit board test needle bed is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a keysets of circuit board needle bed, the interference between reducible power cord and the signal line strengthens the connection reliability of test point.
In order to achieve the above purpose, the utility model provides a following scheme:
an adapter plate of a circuit board needle bed, the adapter plate of the circuit board needle bed comprising:
the functional test points are arranged corresponding to the test points of the tested circuit board;
and the connector group is respectively connected with the function test point and the test equipment and used for testing the circuit board to be tested according to the signal of the test equipment.
Optionally, the adapter plate of the circuit board needle bed is a glass fiber plate.
Optionally, the connector set is connected to the functional test points through printed circuit board PCB traces.
Optionally, the number of the function test points is multiple, and each function test point is connected to the connector set.
Optionally, the signal of the test device includes an analog signal and a digital signal;
the connector set includes:
the analog quantity test connector is respectively connected with the function test point and the test equipment and is used for detecting an analog quantity signal of the tested circuit board according to the analog signal;
the digital quantity test connector is respectively connected with the function test point and the test equipment and is used for carrying out input/output (IO) test on the circuit board to be tested according to the digital signal;
and the power supply test connector is connected with the function test point and is used for detecting the constant voltage source and the constant current source of the tested circuit board.
Optionally, the analog quantity testing connector, the digital quantity testing connector and the power testing connector are 8P connectors.
Optionally, the analog quantity signal comprises a voltage and a resistance.
Optionally, the analog quantity test connector is also connected with a program-controlled digital multimeter.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the power supply part and the signal part are thoroughly separated through the adapter plate, so that the interference between a power line and a signal line is reduced, and the connection reliability of the test point is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of the adapter plate of the circuit board needle bed of the present invention.
Description of the symbols:
function test point-10, test terminals-1, 2, 3, 4, 5, 6, 7, 8, analog quantity test connectors-MI-P1, MI-P2, MI-P3, MI-P4, MI-P5, MI-P6, digital quantity test connectors-RO-P1, RO-P2, power supply test connectors-JIO-P1, JIO-P2, JIO-P3, JIO-P4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model aims at providing a keysets of circuit board needle bed through the keysets with the thorough separation of power subtotal signal part, reduces the interference between power cord and the signal line, has strengthened the connection reliability of test point.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the adapter plate of the circuit board needle bed of the present invention comprises: a functional test point 10 and a connector set.
Specifically, the functional test points 10 are arranged corresponding to test points of a circuit board to be tested.
The connector group is respectively connected with the function test point 10 and the test equipment, and is used for testing the tested circuit board according to the signal of the test equipment, preferably, the connector group is connected with the function test point 10 through a PCB (printed circuit board) line.
Preferably, the signal of the test equipment comprises an analog signal and a digital signal.
The connector set includes: analog quantity test connector, digital quantity test connector and power supply test connector.
The analog quantity test connector MI-PX is respectively connected with the function test point 10 and the test equipment, and is used for detecting an analog quantity signal of the tested circuit board according to the analog signal.
Specifically, the analog quantity signal comprises a voltage and a resistance. And the analog quantity testing terminal group is also connected with a program-controlled digital multimeter.
In the testing process, the upper computer controls the program-controlled digital multimeter, detects the voltage signals of the corresponding test points, feeds the voltage signals back to the single chip microcomputer, and the single chip microcomputer converts the voltage signals into a language which can be identified by the upper computer through AD conversion to judge whether the analog quantity signals of the tested circuit are normal or not.
The digital quantity test connector is respectively connected with the function test point 10 and the test equipment, and is used for carrying out input/output (IO) test on the circuit board to be tested according to the digital signal.
The upper computer controls the test equipment, and then controls the connection or disconnection of signals on the corresponding digital quantity test terminal group terminals, so that the IO test of the detection circuit board is realized.
The power supply test connector is connected with the function test point 10, and the power supply test connector is used for detecting a constant voltage source and a constant current source of the tested circuit board. In this embodiment, the power supply test connector is connected to the control circuit board inside the circuit board under test.
In this embodiment, the number of the analog quantity testing connectors is 6, and MI-P1, MI-P2, MI-P3, MI-P4, MI-P5 and MI-P6 are provided respectively.
The number of the digital quantity testing connectors is 2, and the digital quantity testing connectors are RO-P1 and RO-P2 respectively.
The number of the power supply test connectors is 4, and the power supply test connectors are JIO-P1, JIO-P2, JIO-P3 and JIO-P4 respectively.
In another embodiment, the number of the analog testing connector set, the digital testing connector set and the power testing connector set is determined according to the number of the testing points of the circuit board to be tested.
The analog quantity testing connector set, the digital quantity testing connector and the power testing connector are all 8P connectors. The analog quantity testing connector set, the digital quantity testing connector and the power testing connector all comprise 8 connection points. The connection points inside the 8P connector correspond to the extension points of the test points.
In this embodiment, the adapter plate of the circuit board needle bed is a glass fiber board FR-4.
The utility model discloses a signal line and the power cord of circuit board needle bed effectively keep apart by the keysets of circuit board needle bed, can reduce the test interference, have improved test stability, with the inside pencil rational distribution of circuit board needle bed simultaneously, be favorable to seeking fast of circuit board needle bed test item for the overall arrangement of inside test line is also simple and convenient more, has improved efficiency of software testing, and the keysets can be applied to on most of circuit board automatic testing frock.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. The adapter plate of the circuit board needle bed is characterized by comprising:
the functional test points are arranged corresponding to the test points of the tested circuit board;
and the connector group is respectively connected with the function test point and the test equipment and used for testing the circuit board to be tested according to the signal of the test equipment.
2. The adapter plate of the circuit board needle bed as claimed in claim 1, wherein the adapter plate of the circuit board needle bed is a glass fiber plate.
3. A patch panel of a circuit board neilsbed according to claim 1, wherein the connector set is connected to the functional test points by printed circuit board PCB tracks.
4. The adapter plate of a circuit board needle bed as claimed in claim 1, characterized in that the number of the function test points is plural, and each function test point is connected to the connector group.
5. The adapter plate of a circuit board needle bed as claimed in claim 1, wherein the signals of the test equipment comprise analog signals and digital signals;
the connector set includes:
the analog quantity testing connector is respectively connected with the functional testing point and the testing equipment and is used for detecting an analog quantity signal of the tested circuit board according to the analog signal;
the digital quantity test connector is respectively connected with the function test point and the test equipment and is used for carrying out input/output (IO) test on the circuit board to be tested according to the digital signal;
and the power supply test connector is connected with the function test point and is used for detecting the constant voltage source and the constant current source of the tested circuit board.
6. The adapter plate of a circuit board needle bed as claimed in claim 5, wherein the analog quantity testing connector, the digital quantity testing connector and the power testing connector are 8P connectors.
7. The adapter plate of a circuit board needle bed according to claim 5, characterized in that the analog quantity signals comprise a voltage and a resistance.
8. The adapter plate of a circuit board needle bed as claimed in claim 5, wherein the analog quantity test connector is further connected with a program-controlled digital multimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222079728.0U CN218512569U (en) | 2022-08-02 | 2022-08-02 | Adapter plate of circuit board needle bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222079728.0U CN218512569U (en) | 2022-08-02 | 2022-08-02 | Adapter plate of circuit board needle bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218512569U true CN218512569U (en) | 2023-02-21 |
Family
ID=85209731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222079728.0U Active CN218512569U (en) | 2022-08-02 | 2022-08-02 | Adapter plate of circuit board needle bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218512569U (en) |
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2022
- 2022-08-02 CN CN202222079728.0U patent/CN218512569U/en active Active
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