Test fixture for overturning and pressing electric control board

Abstract

The utility model relates to an overturning and pressing electric control board test fixture, which comprises a carrier plate, a positioning seat, a hinge frame, a pressing plate, lock catches symmetrically arranged on two sides of the pressing plate and a detachable butt joint seat arranged in the middle of the pressing plate, the positioning seat is arranged on the carrier plate, and a positioning groove for placing an electric control board to be tested is arranged in the middle of the positioning seat. Locking plates are arranged on the two sides of the pressing plate, the locking plates are matched with the lock catches on the two sides in a clamped mode, the pressing plate is downwards pressed above the to-be-tested electric control board, a plurality of limiting pins are arranged on the lower end face of the pressing plate, and the butt joint seat comprises a probe base, a probe, a lifting pressing plate, a pressing spring and a positioning screw. According to the test fixture, a power socket and a communication socket, which need to be electrically conducted, of the to-be-tested electric control board are connected through the detachable butt-joint seat installed in the middle of the pressing plate, the lifting pressing plate and the compression spring are matched, the pressing contact force is improved, the electrical conduction is stable and reliable, and the detachable butt-joint seat is convenient to use. Probe positions of electric control boards of different specifications can be modularly designed.

Description

Technical Field

[0001] The utility model relates to the technical field of automated testing equipment, in particular to a flip-pressing electric control board testing fixture. Background Art

[0002] There is an existing microphone electronic control board that needs to undergo circuit simulation testing, including performance testing of the power supply module and the communication module under actual use. Before assembly, the completed electronic control board needs to be tested by plug-in docking with the power supply and communication sockets. The plug-in efficiency is low, and it is difficult to adapt to the testing speed of batch electronic control boards obtained by assembly line production. Therefore, it is necessary to design a power connection testing fixture that is compatible with this type of power supply and communication sockets to avoid the trouble of socket pin docking, save testing time, and improve testing efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a power connection detection fixture for this type of power supply and communication socket adaptation, avoiding the trouble of socket pin docking, saving detection time and improving detection efficiency.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A flip-press electric control board test fixture comprises a carrier plate, a positioning seat, a hinge frame, a pressing plate, locks symmetrically arranged on both sides of the pressing plate, and a detachable docking seat installed in the middle of the pressing plate.

[0006] The positioning seat is arranged on the carrier plate, and a positioning groove for placing the electric control board to be tested is arranged in the middle of the positioning seat. The articulated frame is arranged at the rear side of the positioning seat, and includes an articulated seat and an articulated shaft. The articulated shaft is sleeved with the articulated hole at the rear end of the pressing plate, and the pressing plate is movably articulated with the positioning seat.

[0007] The pressing plate is provided with locking plates on both sides, and the locking plates are engaged with the lock buckles on both sides, and the pressing plate is pressed downward on the electric control board to be tested. The lower end surface of the pressing plate is provided with a plurality of limit pins, and the limit pins cooperate with the rubber sleeves provided at the corresponding positions of the positioning seat to ensure the accuracy of the pressing, positioning and limiting of the pressing plate.

[0008] The docking seat includes a probe base, a probe, a lifting and pressure plate, a clamping spring and a positioning screw. The probe includes a positive power probe, a negative power probe and a plurality of communication probes. All the probes are vertically plugged into the probe base, wherein a lifting and pressure plate is arranged below the communication probe, and the lifting and pressure plate has positioning through holes facing all the communication probes. After the communication probes pass through the positioning through holes, they are electrically contacted with the pins of the communication socket of the electric control board to be tested to achieve electrical conduction. The positive power probe and the negative power probe are electrically contacted with the pins of the power socket of the electric control board to be tested to achieve electrical conduction.

[0009] Furthermore, the positioning groove is provided with a positioning pin below the docking seat, and the positioning pin cooperates with a through hole provided near the electric control board to implement pin hole sleeve insertion to achieve precise positioning.

[0010] Furthermore, both sides of the lifting and pressing plate are limited by positioning screws, and the positioning screws are threadedly matched with threaded holes provided in the pressing plate.

[0011] Furthermore, the positioning screw is sleeved with a compression spring, and the compression spring presses the lifting and lowering pressure plate to apply force to the lifting and lowering pressure plate downward.

[0012] Furthermore, the lifting and lowering plate is provided with a limit frame arranged around the periphery of a plurality of communication probes, and the limit frame is pressed and limited with the periphery of the communication socket of the electric control board to be tested to ensure that the communication signal is not interfered.

[0013] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0014] The flip-press electric control board test fixture connects the power socket and the communication socket of the electric control board to be tested, which need to be electrically conductive, through a detachable docking seat installed in the middle of the pressing plate, and cooperates with the lifting and lowering pressure plate and the clamping spring to improve the pressing contact force, so that the electrical conduction is stable and reliable. The detachable docking seat can modularly design the probe positions of electric control boards of different specifications, which is practical and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a side view of the flip-pressing electric control board test fixture of this embodiment;

[0016] Figure 2 This is a side view of the flip-over and pressing electric control board test fixture of this embodiment with the pressing plate removed;

[0017] Figure 3 This is a side view of the pressing plate of this embodiment;

[0018] Figure 4 is a partial enlarged view of the positioning pin described in this embodiment;

[0019] Figure 5for Figure 2 A partial enlarged view of the middle A;

[0020] Figure 6 for Figure 3 A partial enlarged view of point B in the middle;

[0021] Among them: 1-electric control board, 2-positioning seat, 3-docking seat, 4-locking buckle, 5-pressing plate, 6-hinge frame, 7-limiting pin, 8-hinge shaft, 9-positioning slot, 10-positioning pin, 11-power socket, 12-positive pin, 13-negative pin, 14-communication socket, 15-communication pin, 16-negative probe, 17-positive probe, 18-communication probe, 19-limiting frame, 20-locking plate. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model will be described clearly and completely in the following in conjunction with the accompanying drawings in the form of embodiments.

[0023] See also Figures 1 to 6 The present embodiment provides a flip-press electric control board test fixture, comprising a carrier plate, a positioning seat 2, a hinge frame 6, a pressing plate 5, locks 4 symmetrically arranged on both sides of the pressing plate 5, and a detachable docking seat 3 installed in the middle of the pressing plate 5. The detachable docking seat 3 can be transformed into a replacement and adaptable docking seat according to the pin positions of the power socket and the communication socket of the electric control board to be tested, so as to adapt to the power-on performance test of more electric control boards in a modular solution.

[0024] See also Figure 4 The positioning seat 2 is arranged on the carrier plate, and a positioning groove 9 for placing the electric control board 1 to be tested is arranged in the middle of the positioning seat 2. Figure 2 and Figure 3 The articulated frame 6 is arranged at the rear side of the positioning seat 2, including an articulated seat and an articulated shaft 8. The articulated shaft 8 is sleeved with the articulated hole at the rear end of the pressing plate 5, and enables the pressing plate 5 to be movably articulated with the positioning seat 2.

[0025] See also Figures 1 to 4 The pressing plate 5 is provided with locking plates 20 on both sides, and the locking plates 20 are engaged with the lock buckles 4 on both sides, and press the pressing plate 5 downward above the electric control board 1 to be tested. The lower end surface of the pressing plate 5 is provided with three limit pins 7, and the limit pins 7 cooperate with the rubber sleeves provided at the corresponding positions of the positioning seat 2 to ensure the accuracy of the pressing, positioning and limiting of the pressing plate 5.

[0026] See also Figure 5 and Figure 6The docking seat 3 includes a probe base, a probe, a lifting and pressing plate, a clamping spring and a positioning screw. The probe includes a positive power probe 17, a negative power probe 16 and 6 communication probes 18. All probes are vertically plugged into the probe base, wherein a lifting and pressing plate is arranged below the communication probe 18, and the lifting and pressing plate has positioning through holes facing all the communication probes 18. After the communication probe 18 passes through the positioning through hole, it is electrically in contact with the pins of the communication socket 14 of the electric control board 1 to be tested to achieve electrical conduction. The positive power probe 17 and the negative power probe 16 are electrically in contact with the pins of the power socket 11 of the electric control board 1 to be tested to achieve electrical conduction.

[0027] See also Figure 4 The positioning groove 9 is provided with a positioning pin 10 below the docking seat 3. The positioning pin 10 cooperates with the through hole provided near the electric control board 1 to implement the pin hole sleeve to achieve precise positioning.

[0028] See also Figure 3 The two sides of the lifting and lowering pressure plate are limited by positioning screws, and the positioning screws are screwed together with the threaded holes set in the pressing plate 5. The positioning screws are sleeved with a compression spring, and the compression spring presses the lifting and lowering pressure plate to achieve downward pressure on the lifting and lowering pressure plate.

[0029] See also Figure 6 The lifting and lowering plate is provided with a limit frame 19 arranged around the outer periphery of the six communication probes 18. The limit frame 19 is pressed and limited with the outer periphery of the communication socket 14 of the electric control board 1 to be tested to ensure that the communication signal is not interfered.

[0030] The working principle is:

[0031] The electric control board 1 to be tested is placed into the positioning groove 9, and the positioning pin 10 is used to accurately position the electric control board 1. The pressing plate 5 is rotated with the hinge shaft 8 and pressed on the top of the electric control board 1, and the locking plate is clamped and locked by the lock buckles 4 on both sides. At the same time, the lifting and lowering plates on the lower end surface of the pressing plate 5 are slightly bounced upward by the compression spring, and the positive power probe 17 is electrically contacted with the positive pin 12 of the power socket 11 of the electric control board 1, the negative power probe 16 is electrically contacted with the negative pin 13 of the power socket 11 of the electric control board 1, and the communication probe 18 is electrically contacted with the communication pin 15 of the communication socket 14 of the electric control board 1. After all the probes are connected to the test instrument and the power supply, a simulation test is carried out to check whether the electrical performance of the electric control board 1 is marked.

[0032] The above describes in detail the implementation modes of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes. Various changes, modifications, substitutions and variations can be made within the knowledge scope of ordinary technicians in the field without departing from the purpose of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flip-press electric control board test fixture, comprising a carrier plate, a positioning seat (2), a hinge frame (6), a pressing plate (5), locks (4) symmetrically arranged on both sides of the pressing plate (5), and a detachable docking seat (3) installed in the middle of the pressing plate (5), characterized in that: The positioning seat (2) is arranged on the carrier plate, and a positioning groove (9) for placing the electric control board (1) to be tested is arranged in the middle of the positioning seat (2). The pressing plate (5) is provided with locking plates on both sides, and the locking plates are engaged with the lock buckles (4) on both sides, and the pressing plate (5) is pressed downward on the top of the electric control board (1) to be tested. The lower end surface of the pressing plate (5) is provided with a plurality of limit pins (7), and the limit pins (7) cooperate with the rubber sleeves provided at the corresponding positions of the positioning seat (2). The docking seat (3) includes a probe base, a probe, a lifting and pressing plate, a clamping spring and a positioning screw. The probe includes a positive power probe (17), a negative power probe (16) and a plurality of communication probes (18). All probes are vertically plugged into the probe base. A lifting and pressing plate is arranged below the communication probe (18). The lifting and pressing plate is provided with positioning through holes facing all the communication probes (18). After the communication probe (18) passes through the positioning through holes, it is electrically contacted with the pins of the communication socket (14) of the electric control board (1) to be tested to achieve electrical conduction. The positive power probe (17) and the negative power probe (16) are electrically contacted with the pins of the power socket (11) of the electric control board (1) to be tested to achieve electrical conduction.

2. The flip-pressing electric control board test fixture according to claim 1, characterized in that: The hinge frame (6) is arranged on the rear side of the positioning seat (2), and comprises a hinge seat and a hinge shaft (8). The hinge shaft (8) is sleeved and matched with the hinge hole at the rear end of the pressing plate (5), so that the pressing plate (5) and the positioning seat (2) are movably hinged.

3. The flip-pressing electric control board test fixture according to claim 2, characterized in that: The positioning groove (9) is provided with a positioning pin (10) below the docking seat (3), and the positioning pin (10) cooperates with a through hole provided nearby on the electric control board (1) to implement pin hole sleeve insertion.

4. The flip-pressing electric control board test fixture according to claim 1, characterized in that: The two sides of the lifting and lowering pressure plate are limited by positioning screws, and the positioning screws are threadedly engaged with threaded holes provided on the pressing plate (5).

5. The flip-pressing electric control board test fixture according to claim 1, characterized in that: The positioning screw is sleeved with a compression spring, and the compression spring presses the lifting and lowering plate.

6. The flip-pressing electric control board test fixture according to claim 1, characterized in that: The lifting and lowering plate is provided with a limit frame (19) arranged around the outer periphery of a plurality of communication probes (18), and the limit frame (19) is pressed and limited with the outer periphery of the communication socket (14) of the electric control board (1) to be tested.

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