TWI425224B - Automatic test device - Google Patents

Description

Automatic test device

The present invention relates to an automatic test apparatus, and more particularly to an automatic test apparatus for use in a circuit board.

With the development of electronic technology, computers have become a necessary equipment for information processing. The motherboard is an indispensable part of the computer. During the production process of the motherboard, each component needs to be tested to determine whether its function is normal.

Taking the network card test as an example, the network card on the motherboard mainly provides a physical connection for data communication between computers. For network card testing, it is usually necessary to set up one or several test servers as test platforms. The operator inserts the network cable by hand to connect to the network, and tests it in a series of ways such as transmitting data files in the network.

The above method requires a lot of time for networking, the test cost is high, and multiple network cards cannot be tested at the same time, and the artificial error that may occur due to actual networking may result in inaccurate test results.

It is an object of the present invention to provide an automated test apparatus to improve the deficiencies of the prior art.

According to a feature of the present invention, an automatic test apparatus is proposed for testing a plurality of circuit boards. The automatic test device includes a control unit, a gripping member, and a test unit. The clamping member is coupled to the control unit. The control unit controls the gripping member to clamp at least one of the circuit boards at the output position to the test position. The test unit is coupled to the control unit. The test unit is used to test the board at the test location and provide test signals to the control unit. The control unit controls the gripper to grip the circuit board to one of a plurality of different preset positions according to the test signal.

The invention has the beneficial effects that the automatic testing device of the invention can realize the automation of the circuit board testing process. The control unit of the automatic test device controls the gripping member to clamp the board located at the output position to the test position. After the testing of the circuit board is completed by the test unit, the control unit controls the clamping member to clamp the circuit board to different preset positions according to the test signal. The entire testing process is automated, freeing up manpower and increasing productivity.

The above and other objects, features, and advantages of the present invention will become more apparent and understood by the appended claims appended claims

FIG. 1 is a schematic structural view of an automatic test apparatus according to a preferred embodiment of the present invention. 2 is a partial schematic view of a circuit board providing unit of an automatic test apparatus according to a preferred embodiment of the present invention. 3 is a partial schematic view of a gripping member of an automatic testing device in accordance with a preferred embodiment of the present invention. 4 is a partial schematic view of a test unit of an automatic test apparatus in accordance with a preferred embodiment of the present invention. Please refer to FIG. 1 to FIG. 4 together.

The automatic test apparatus 1 provided in this embodiment is used to test a plurality of circuit boards 2 (see FIG. 4). In the embodiment, the circuit board 2 can be a network card. In other embodiments, the circuit board 2 can also be other types of circuit boards, which is not limited by the present invention.

In this embodiment, the automatic testing device 1 includes a circuit board providing unit 10, a first sensing unit 11, a control unit 12, a clamping member 13, a carrier 14, a second sensing unit 15, a testing unit 16, and a circuit board output unit. 17 and the indicating unit 18.

In this embodiment, the circuit board providing unit 10 is configured to provide a circuit board to be tested. As shown in FIG. 2, the circuit board providing unit 10 includes a housing 100, a receiving member 102, a first driving member 103, and a pushing member 104. The housing 100 has a plurality of surfaces 1000. In the present embodiment, the surfaces 1000 are rectangular, and the invention is not limited thereto.

In this embodiment, the accommodating member 102 can have a plurality of accommodating cells 1020 for accommodating the circuit board to be tested. As shown in the enlarged detail in FIG. 2, these receptacles 1020 are arranged equidistantly. In this embodiment, the material of the accommodating member 102 is bakelite, and there is an electric baffle between the two adjacent accommodating cells 1020. However, the present invention does not limit the number and arrangement of the accommodating cells 1020.

In the present embodiment, the housing 100 forms a half open space. First, the operator can push the housing 102 filled with the circuit board into the semi-open space and place it on the first driving member 103. Thereby, the first driving member 103 can be used to drive the movement of the accommodating member 102, for example, the accommodating member 102 can be moved upward to sequentially pass the circuit board therein through an output position 101. In this embodiment, two parallel circuit boards can pass through the output position 101 at the same time. However, the present invention is not limited thereto.

In the present embodiment, the output location 101 can be located on the surface 1000 of the housing 100. In particular, one of the surfaces 1000 of the housing 100 can have a rectangular opening. This rectangular opening can be used as the output position 101 in this embodiment. However, the present invention is not limited thereto. In other embodiments, the housing 100 may not be provided, and the output position 101 may be disposed at any position as long as the circuit board in the circuit board providing unit 10 can be sequentially passed through the output position.

In this embodiment, when the circuit board is located at the output position 101, the pusher 104 acts on the circuit board, so that the circuit board is detached from the accommodating member 102 to be exposed outside the housing 100, and the clip member 13 is conveniently arranged (see FIG. 3) Clipping. After the clamping member 13 grips the circuit board, the first driving member 103 can continue to move the receiving member 102 upward, so that the two circuit boards of the next column enter the output position 101. However, the present invention is not limited thereto.

As shown in FIG. 2, the first sensing unit 11 is disposed at the output position 101 for sensing the circuit board and outputting the first sensing signal. Specifically, the first sensing unit 11 can be a fiber optic sensor. When the circuit board provided by the circuit board providing unit 10 passes through the output position 101, the first sensing unit 11 senses the presence of the circuit board and emits a first sensing signal.

In this embodiment, the control unit 12 receives the first sensing signal and controls the movement of the clamping member 13 according to the first sensing signal.

As shown in FIG. 1 , in the embodiment, the control unit 12 may specifically include a host (not shown), a display 120 , a keyboard 121 , and a mouse 122 . The display 120 can display the working state of the automatic testing device 1. The operator operates the control unit 12 via the keyboard 121 and the mouse 122. In particular, the keyboard 121 can be designed to be pivotally pivoted to the table 123. When the keyboard 121 is not required to be used, the keyboard 121 can be fastened to the work table 123, which is advantageous for saving space.

In this embodiment, the gripping member 13 is specifically a robot, and is controlled by the control unit 12 to complete the clamping action on the circuit board. As shown in FIG. 3, the gripping member 13 is disposed on the Y rail 130 and is movable in the Y direction along the rail. The middle portion of the Y rail 130 has a sliding portion 132 through which the Y rail 130 is slid along the X rail 131 to complete the movement of the gripping member 13 in the X direction. In addition, the gripping member 13 is also movable in the Z direction shown in FIG.

In the present embodiment, in order to improve the test efficiency, the automatic test apparatus 1 includes a plurality of carriers 14 and a plurality of test units 16, and each of the carriers 14 corresponds to one test unit 16, but the invention is not limited thereto.

As shown in Figure 1, the carrier 14 has a test position. The second sensing unit 15 is disposed at the test position for sensing the circuit board and outputting the second sensing signal to the control unit 12. In this embodiment, the second sensing unit 15 can be a fiber optic sensor. However, the invention is not limited thereto.

Specifically, the control unit 12 controls the clamping member 13 to clamp the circuit board located at the output position to the test position according to the first sensing signal. At this time, the second sensing unit 15 senses the circuit board and outputs the second sensing signal to the control unit. 12. The control unit 12 controls the test unit 16 to be connected to the circuit board for testing according to the second sensing signal.

As shown in FIG. 4, the test unit 16 provided in this embodiment is disposed on the carrier 14 for testing the circuit board 2 and providing a test signal. As shown in FIG. 4, the carrier 14 has a fixing portion 140 for fixing the circuit board 2.

In this embodiment, each test unit 16 can test two circuit boards 2 at the same time. The carrier 14 has eight fixing portions 140 thereon, wherein each of the four fixing portions 140 is for fixing a circuit board 2. However, the present invention does not limit the number of board tests and the number of fixed parts.

In the present embodiment, the test unit 16 includes a lower pressing member 160, a second driving member 161, and a control member 162. The circuit board 2 includes a first connector 20 and a third connector 21.

In the embodiment, the pressing member 160 is coupled to the control unit 12 and the second driving member 161, and is driven by the second driving member 161 to complete the pressing operation. In this embodiment, the second driving member 161 can be a cylinder. In other embodiments, the second driving member can be other equivalent power devices.

In the present embodiment, the pressing member 160 includes a buffer member 1600, a second connector 1601, and a fourth connector 1602. The second connector 1601 is coupled to the control member 162. In this embodiment, the control unit 162 is a host that stores a test program, which can be coupled to the control unit 12.

Specifically, the control unit 12 controls the gripping member 13 to move in the Z direction to place the circuit board 2 on the fixing portion 140 of the carrier 14. At this time, the circuit board 2 to be tested is located at the test position. The second sensing unit 15 outputs a second sensing signal to the control unit 12. After receiving the second sensing signal, the control unit 12 controls the second driving member 161 to operate.

In the embodiment, the second driving member 161 first drives the buffer member 1600 to be pressed down. Since the circuit board 2 has a fixing hole corresponding to the fixing portion 140, the buffer member 1600 is pressed down to fix the circuit board 2 to the fixing portion 140.

After the buffer member 1600 fixes the circuit board 2, the second driving member 161 drives the lower pressing member 160 to be pressed, so that the second connector 1601 is connected to the first connector 20 of the circuit board 2. Thereby, the circuit board 2 is electrically connected to the control member 162, so that the control member 162 performs a test program on the circuit board 2.

When the second driving member 161 drives the lower pressing member 160 to be pressed down, the fourth connector 1602 is also connected to the third connector 21 of the circuit board 2. Thereby, the two circuit boards 2 communicate with each other through the lower pressing member 160.

In the present embodiment, the two circuit boards 2 are electrically connected via the test unit 16, and the test unit 16 outputs a test signal by testing the communication condition between the two circuit boards 2 to be tested. However, the present invention does not impose any limitation on this. In other embodiments, the test signal can also be output by testing the communication condition between a circuit board to be tested and other boards that have passed the test.

In the present embodiment, after the test of the circuit board is completed, the test unit 16 provides a test signal to the control unit 12. The control unit 12 controls the gripping member 13 to grip the circuit board that has been tested to a different preset position according to the test signal.

In the embodiment, the preset positions include a first preset position 190 and a second preset position 191. The first preset position 190 is used to place a circuit board through which the test passes, and the second preset position 191 is used to place a circuit board that fails the test. In this embodiment, an output device such as a belt may be disposed at the second preset position 191 to directly output a circuit board that fails the test.

Specifically, if the board passes the test, the test unit 16 can provide A high level test signal is sent to control unit 12. Thereby, the control unit 12 controls the gripping member 13 to grip the circuit board to the first preset position 190 according to the high level test signal. If the circuit board fails the test, the test unit 16 outputs a low level test signal, and the chucking member 13 grips the circuit board to the second preset position 191.

As shown in FIG. 2, the circuit board output unit 17 is disposed at a first preset position 190 for outputting a circuit board through which the test passes. In the present embodiment, the circuit board output unit 17 includes an arrangement member 170, a third driving member 171, a gripping member 172, and a slide rail 173.

In this embodiment, the arranging member 170 has a plurality of accommodating cells (not shown), and each of the accommodating cells can accommodate a circuit board. If the control unit 12 controls the gripping member 13 to clamp the board through which the test passes to the accommodating compartment 170, the third driving member 171 drives the arranging member 170 to drop by a accommodating distance to expose the empty accommodating member. grid. In this embodiment, the third driving member 171 can be a cylinder. In other embodiments, the third driving member 171 can also be other equivalent driving devices.

In this embodiment, after the accommodating cells of the to-be-arranged member 170 are all housed with the circuit board, the aligning member 170 is outputted by the grasping member 172. In the present embodiment, the gripping member 172 is movable along the slide rail 173.

In the embodiment, the indicating unit 18 is disposed in the testing unit 16 for indicating the working state of the automatic testing device 1. In this embodiment, the indicating unit 18 is an LED tube that can display multiple colors. For example, when the automatic test apparatus 1 is operating normally, the indication unit 18 displays green. When the automatic test device 1 is down, the indication unit 18 displays red to alert the operator that a malfunction has occurred.

In summary, the automatic test device provided in this embodiment can achieve the purpose of automating the test process of the circuit board. The operator only needs to put the circuit board to be tested into the corresponding housing, and the entire test process can be automated. Multiple test units enable batch circuit boards to perform simultaneous test operations, freeing up manpower and increasing production efficiency.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention is subject to the definition of the scope of the patent application.

1. . . Automatic test device

10. . . Board supply unit

100. . . case

1000. . . surface

101. . . Output position

102. . . Container

1020. . .容格

103. . . First drive

104. . . Propulsion

11. . . First sensing unit

12. . . control unit

120. . . monitor

121. . . keyboard

122. . . mouse

123. . . Workbench

13. . . Clamping piece

130. . . Y track

131. . . X track

132. . . Sliding portion

14. . . Carrier

140. . . Fixed part

15. . . Second sensing unit

16. . . Test unit

160. . . Lower pressing piece

1600. . . Buffer

1601. . . Second connector

1602. . . Fourth connector

161. . . Second drive

162. . . Control

17. . . Board output unit

170. . . Arrangement

171. . . Third drive

172. . . Grab

173. . . Slide rail

18. . . Indicating unit

190. . . First preset position

191. . . Second preset position

2. . . Circuit board

20. . . First connector

twenty one. . . Third connector

FIG. 1 is a schematic structural view of an automatic test apparatus according to a preferred embodiment of the present invention.

2 is a partial schematic view of a circuit board providing unit of an automatic test apparatus according to a preferred embodiment of the present invention.

3 is a partial schematic view of a gripping member of an automatic testing device in accordance with a preferred embodiment of the present invention.

4 is a partial schematic view of a test unit of an automatic test apparatus in accordance with a preferred embodiment of the present invention.

1. . . Automatic test device

12. . . control unit

120. . . monitor

121. . . keyboard

122. . . mouse

123. . . Workbench

14. . . Carrier

15. . . Second sensing unit

16. . . Test unit

18. . . Indicating unit

191. . . Second preset position

Claims (12)

An automatic testing device for testing a plurality of circuit boards, the automatic testing device having at least one output position and comprising: a control unit; at least one clamping member coupled to the control unit, the control unit controlling the at least one clamping The at least one circuit board of the circuit board at the output position is clamped to at least one test position; and a test unit coupled to the control unit for testing the at least one circuit board located in the at least one test position And providing a test signal to the control unit, the control unit controlling the at least one clamping member to clamp the at least one circuit board to one of a plurality of different preset positions according to the test signal. The automatic test device of claim 1, further comprising a circuit board providing unit, comprising: a receiving member having a plurality of receiving compartments for accommodating the circuit boards And a first driving member coupled to the receiving member, wherein the plurality of receiving portions of the first driving member driving the receiving member sequentially pass through the at least one output position. The automatic test device of claim 1, further comprising at least one first sensing unit disposed at the at least one output position and coupled to the control unit, wherein the at least one first sensing unit is configured to sense the at least one The circuit board outputs a first sensing signal to the control unit, and the control unit controls the at least one clamping member to clamp the at least one circuit board according to the first sensing signal. The automatic test device of claim 1, further comprising at least one second sensing unit disposed at the at least one test position and coupled to the control unit, wherein the at least one second sensing unit is configured to sense the at least one The circuit board outputs a second sensing signal to the control unit, and the control unit controls the testing unit to be coupled to the at least one circuit board according to the second sensing signal. The automatic testing device of claim 1, further comprising a carrier having the at least one test position. The automatic testing device of claim 5, wherein the carrier further has a fixing portion for fixing the at least one circuit board. The automatic test device of claim 1, wherein the test boards are located at the test position as two circuit boards, and the two circuit boards are electrically connected via the test unit, whereby the test unit tests the above The communication condition between the two boards and outputting the test signal. The automatic test device of claim 1, wherein the circuit board comprises a first connector, the test unit comprises: a lower pressing member coupled to the control unit, the lower pressing member comprising a second connector And a control component coupled to the second connector and the control unit, and the control component stores a test program, and after the at least one circuit board reaches the at least one test position, the control unit controls the lower pressure component coupling Connected to the at least one circuit board, the second connector is connected to the first connector, and the control unit controls the control unit to execute the test program. The automatic testing device of claim 8, wherein the testing unit further includes a second driving component coupled to the control unit and the pressing member, wherein the control unit controls the second driving member Lower pressing piece. The automatic testing device of claim 1, further comprising an indicating unit coupled to the control unit for indicating an operating state of the automatic testing device. The automatic test device of claim 1, wherein the different preset positions comprise a first preset position and a second preset position, wherein the first preset position is used to place the circuit through which the test passes. The second preset position is used to place the circuit board that the test fails. The automatic test device of claim 11, further comprising a circuit board output unit disposed at the first preset position, the circuit board output unit comprising: an array member; and a third drive member coupled The alignment member is connected, wherein the clamping member grips the circuit board to the alignment member, and the third driving member drives the alignment member to move.