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System and method for automatically diagnosing fault of circuit board

An automatic diagnosis, circuit board technology, applied in the direction of electronic circuit testing, etc., can solve the problems of prone to errors, waste of manpower, inconvenience, etc., and achieve the effect of accurate testing, convenient use and accurate positioning

Inactive Publication Date: 2014-12-24
HENAN ZHENGTAIXIN INNOVATION BASE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of manually using the test probe to test is not only a waste of manpower, but also prone to errors, which is very inconvenient

Method used

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  • System and method for automatically diagnosing fault of circuit board
  • System and method for automatically diagnosing fault of circuit board

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Embodiment Construction

[0015] Such as figure 1 , figure 2 As shown, a circuit board fault automatic diagnosis system of the present invention includes a test probe, a signal excitation device, a signal test device, a central control machine, and a robot movement mechanism, wherein the central control machine adopts a computer. Described robot kinematic mechanism is made up of X to kinematic mechanism 21, Y to kinematic mechanism 22, Z to kinematic mechanism 23, and the ends of X to kinematic mechanism 21, Y to kinematic mechanism 22, Z to kinematic mechanism 23 are all fixed and useful. The first servo motor 11, the second servo motor 12 and the third servo motor 13 are used to drive the movement of the movement mechanism, and the central control machine controls the movement of the first servo motor 11, the second servo motor 12 and the third servo motor 13 through the servo control system . The first servo motor 11 is connected to the Z-direction motion mechanism 23 through a rotation-translati...

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Abstract

The invention discloses a system for automatically diagnosing a fault of a circuit board. The system comprises a testing probe, a signal excitation device, a signal testing device, a central control machine and a robot movement mechanism, wherein the central control machine controls the signal excitation device; the signal excitation device is connected with a signal excitation end of a circuit board; the testing probe acquires data of a tested point of the circuit board to be transmitted to the signal testing device; the signal testing device processes the data and transmits the data to the central control machine; the central control machine controls the robot movement mechanism; the robot movement mechanism is used for controlling the testing probe to move; and the testing probe is used for testing the fault of the circuit board. The robot movement mechanism is controlled to drive the testing probe to move to a target testing point by the central control machine, so that fault diagnosis of the circuit board is fully automatically tested, manual operation is replaced by the robot movement mechanism, and manual labor is saved; and moreover, the fault of the circuit board can be accurately tested, and the system is convenient to use.

Description

technical field [0001] The invention relates to a circuit board fault diagnosis device, in particular to a system and a diagnosis method for automatically performing circuit board fault diagnosis through a robot movement mechanism. Background technique [0002] At present, more and more electronic products are used, and when an electronic product fails, it is often necessary to perform fault diagnosis on the circuit board therein. For example, the Chinese patent application document with the publication number "CN 101806857A" discloses an online circuit board fault diagnosis instrument, which includes a host computer for online signal processing and fault diagnosis, and is used to provide the required signals for the circuit board under test and The lower computer that uploads the test information, the upper computer and the lower computer are connected and communicated by serial bus. The upper computer adopts a portable notebook computer with built-in fault diagnosis exper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/28
Inventor 白荣光生拥宏周东方白栋林竞羽
Owner HENAN ZHENGTAIXIN INNOVATION BASE
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