Reverse insertion testing device of pin socket, ICT tester and using method thereof
A test device and needle seat technology, which is applied in the direction of measuring devices, electrical connection tests, instruments, etc., can solve the problems of poor detection efficiency, high detection cost, low detection accuracy, etc., and achieve the effect of fast detection efficiency
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Embodiment 1
[0038] This embodiment provides a kind of ICT tester, and the top plate of ICT tester is provided with such as figure 1 and figure 2 The needle socket insertion test device shown is used to measure whether the needle socket on the circuit board placed on the carrier board is reversed. Most of the needle sockets 1 applied on the circuit board have The upper step 2 with a higher height and the lower step 3 with a lower height are located on the lower step 3 for the pins used to connect with the socket.
[0039] Such as Figure 1 to Figure 3 As shown, the needle socket reverse test device includes:
[0040]The switch-type pressure piece 4 is set on the top plate of the ICT tester and is driven by the top plate to move toward the carrier board. The conductive member 6, the first conductive member 5 and the second conductive member 6 of the cylindrical structure apply their separate biasing force to the two through the spring so that the gap between the first conductive member ...
Embodiment 2
[0047] The difference between this embodiment and embodiment 1 is that, as image 3 As shown, the protective sleeve 9 sleeved on the second conductive member 6, the side of the protective sleeve 9 facing the needle holder 1 is a pointed structure that avoids the pins located on the upper step 2 of the needle holder 1 . Setting the protective cover 9 on the second conductive member 6 as a sharp point can effectively prevent the problem that the protective cover 9 contacts the contact pins and damages the contact pins during the use of the needle socket reverse test device.
Embodiment 3
[0049] The difference between this embodiment and Embodiment 1 is that the first conductive member 5 and the second conductive member 6 are sleeved with protective sleeves 9 on the sides away from each other, and are respectively arranged on the first conductive An outer protective sheath 15 for covering the connecting part of the first conductive element 5 and the second conductive element 6 is also arranged between the two protective sheaths 9 on the element 5 and the second conductive element 6 . The outer protective cover 15 is used to prevent other components from touching the connection position of the first conductive member and the second conductive member to affect the accuracy of the resistance measured by the test circuit, thereby affecting the measurement results of the reverse pin socket insertion test device.
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