A computer host front panel PCB board testing device and testing system

Abstract

The invention relates to the technical field of circuit board measurement, in particular to a computer host front panel PCB board testing device and a testing system. The invention mainly comprises a test auxiliary component arranged in a contact plate on the test device for use in conjunction with a test upper and lower component in a test bench, and provides an excellent auxiliary function for the test device to test the PCB board. By arranging the test upper and lower component in a test placement slot, on the one hand, a board body can be pushed up during the test process, so that a test point on the board body is in close contact with a measuring contact head; on the other hand, after the test is completed, the board body can be pushed up to facilitate the removal of the board body, which is equivalent to a stripping function and can avoid directly removing the board body and causing damage to the board body; the arranged test auxiliary component and the test upper and lower component can be used in conjunction with each other, so as to further improve the contact tightness between the measuring contact head and the test point on the PCB board, and improve the test work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of circuit board measurement, in particular to a computer host front panel PCB board testing device and a testing system. Background Art

[0002] The existing patent document with announcement number CN219434985U discloses a PCB board testing device, which includes: a test box; a tester, the tester is arranged on one side of the test box; an electrostatic generator, the electrostatic generator is arranged on one side of the test box; two screws, both of which are rotatably installed on the inner wall of the test box; a lifting plate, the lifting plate is threadedly sleeved on the two screws; a driving mechanism, the driving mechanism is arranged on the top of the test box; multiple connecting mechanisms, the multiple connecting mechanisms are all arranged at the bottom of the lifting plate; a high temperature resistant testing mechanism, the high temperature resistant testing mechanism is arranged at the bottom of the lifting plate; an anti-static testing mechanism, the anti-static testing mechanism is arranged at the bottom of the lifting plate; the scheme can detect the PCB board body through the tester, the lifting plate can be driven to move up and down through the two screws, the two screws can be driven to rotate through the driving mechanism, the PCB board body can be electrically connected to the tester through the multiple connecting mechanisms, the PCB board body can be subjected to a high temperature aging test through the high temperature resistant testing mechanism, the anti-static performance of the PCB board body can be tested through the anti-static testing mechanism, and the PCB board body can be fixed through multiple support columns and multiple positioning bolts.

[0003] In the above scheme and the prior art, for the testing of the PCB board, the test contacts used for the test are arranged on the bottom side of the contact plate. During the test, the contact plate is pushed by the pressure rod, and the contact plate drives the test contacts to perform contact measurement with the test points of the PCB board. The small measuring device in the prior art needs to place the PCB board on the test station, and then the test contacts are driven by the lower pressure rod to measure the test points of the PCB board. In this process, the flatness of the test points of the PCB board is different, which may easily cause the test contacts to be in close contact with the test points, while some are in loose contact or even not in contact. Furthermore, for the placement of the PCB board, a corresponding limiting groove is generally set on the test bench. However, after the test is completed, it is more troublesome to take the PCB board, and it is easy to cause damage to the PCB board during the taking process, affecting the efficiency of the test work.

[0004] To this end, the present invention provides a computer host front panel PCB board testing device and a testing system for solving the above problems. Summary of the invention

[0005] The object of the present invention is to provide a computer host front panel PCB board testing device and testing system to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a computer host front panel PCB board testing device, comprising a testing device body, a testing table, a contact plate, a lifting control rod, a guide rod, a testing top assembly and a testing auxiliary assembly; the testing device body is provided with a testing table, the testing table is provided with a testing placement slot, and the testing table is connected to the testing top assembly, the contact plate is connected to the testing device body, and the contact plate is arranged directly above the testing table, the contact plate is connected to the lifting control rod, the guide rod is connected to the contact plate, and the contact plate is connected to the testing auxiliary assembly.

[0007] Preferably, the test top assembly includes a movable top block, an auxiliary inclined surface, a guide auxiliary groove, a receiving groove, a threaded through groove, an adjusting screw, a handle, and a spherical surface pressure head; the movable top block is placed in the receiving groove, and the receiving groove is arranged in the test placement groove, the bottom end of the movable top block is provided with an auxiliary inclined surface, and the auxiliary inclined surface is provided with a guide auxiliary groove, the threaded through groove is arranged in the test bench, the threaded through groove is threadedly connected with the adjusting screw, one end of the adjusting screw is fixedly provided with a handle, and the other end of the adjusting screw is provided with a spherical surface pressure head.

[0008] Preferably, the threaded through groove corresponds to the guide auxiliary groove on the auxiliary inclined surface in setting position and has the same number of groups, and one end of the threaded through groove is set on the side of the test bench, and the other end of the threaded through groove extends into the test placement slot.

[0009] Preferably, the regulating screw and the guide auxiliary groove are set in corresponding positions and have the same number of groups.

[0010] Preferably, the test auxiliary component includes an installation carrier, an installation slot, a cavity, a cleaning soft brush, an adjusting threaded column, a knob, an auxiliary bearing, a connecting block, an auxiliary spring, a bearing block, a measuring contact and an auxiliary structure; the installation carrier is adapted to be engaged with the installation slot, and the installation carrier is fixed by screws, the installation slot is arranged on the contact plate, and a cavity is arranged at the bottom of the installation slot, the cavity is arranged in the contact plate, and a cleaning soft brush is arranged in the cavity, an adjusting threaded column is arranged through a threaded connection in the installation carrier, an auxiliary structure is arranged on the installation carrier, the auxiliary structure locks the adjusting threaded column, a knob is fixedly arranged at one end of the adjusting threaded column, an auxiliary bearing is arranged at the other end of the adjusting threaded column, the auxiliary bearing is embedded and fixedly arranged on the connecting block, the connecting block is connected to the auxiliary spring, the other end of the auxiliary spring is fixedly arranged on the bearing block, and a measuring contact is arranged at the bottom end of the bearing block.

[0011] Preferably, the cleaning soft brush is arranged at an angle in the cavity.

[0012] Preferably, the measuring contacts are arranged in the same number of groups as the cavities, and one measuring contact is arranged in one cavity.

[0013] Preferably, the auxiliary structure includes a fixed body, an internal threaded connecting ring, an annular auxiliary pressure surface, a movable plug block, an auxiliary spherical surface, a clamping pressure head, a connecting spring, and an auxiliary cone tip; the fixed body is arranged on the mounting plate, and the fixed body is arranged in a cylindrical shape, the fixed body is sleeved on the regulating threaded column, the outer wall of the fixed body is threadedly connected with an internal threaded connecting ring, the inner side of one end of the internal threaded connecting ring is provided with an annular auxiliary pressure surface, the movable plug block is movably plug-in arranged in the fixed body, one end of the movable plug block extends to the outside of the fixed body, and the end face is arranged as an auxiliary spherical surface, the other end of the movable plug block is fixedly provided with a clamping pressure head, the movable plug block is fixedly provided with a connecting spring at the end connected to the clamping pressure head, one end of the connecting spring is fixedly provided in the fixed body, and one end of the clamping pressure head is fixedly provided with an auxiliary cone tip.

[0014] Preferably, the annular auxiliary pressure surface is inclined and corresponds to the setting position of the auxiliary spherical surface at one end of the movable plug; the clamping pressure head corresponds to the setting position of the movable plug, the setting number of groups is the same, and the movable plug is symmetrically arranged in the fixed body.

[0015] A testing system comprises a computer host front panel PCB board testing device.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The PCB board testing device designed by the present invention mainly arranges a test auxiliary component in a contact plate on the test device for coordinated use with a test upper push component in a test bench, and provides excellent auxiliary effect for the test device to test the PCB board. By arranging the test upper push component in a test placement slot, on the one hand, the board body can be pushed up during the test process, so that the test points on the board body are in close contact with the measuring contacts; on the other hand, after the test is completed, the board body can be pushed up to facilitate the removal of the board body, which is equivalent to a stripping function; it can avoid directly removing the board body and causing damage to the board body; the arranged test auxiliary component and the test upper push component can be used in coordination, so as to further improve the contact tightness between the measuring contacts and the test points on the PCB board, and improve the efficiency of the test work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the right side of the structural connection of the PCB board testing device of the present invention;

[0019] Figure 2 This is a schematic diagram of the left side of the structural connection of the PCB board testing device of the present invention;

[0020] Figure 3For the present invention Figure 2 A partial enlarged schematic diagram of the structure connection;

[0021] Figure 4 This is a schematic diagram of the structural connection of the top assembly for testing of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure connection of the movable top block in the test top assembly of the present invention;

[0023] Figure 6 This is a schematic diagram of the connection between the test auxiliary component and the contact plate structure of the present invention;

[0024] Figure 7 It is a schematic diagram of the connection of the auxiliary structure of the present invention.

[0025] In the figure: test device body 1, test table 2, test placement slot 3, contact plate 4, lifting control rod 5, guide rod 6, test top assembly 7, movable top block 701, auxiliary inclined surface 702, guide auxiliary groove 703, accommodating groove 704, threaded through groove 705, regulating screw 706, handle 707, spherical surface pressure head 708, test auxiliary assembly 8, mounting carrier plate 801, mounting slot 802, cavity slot 803, cleaning soft brush 804, regulating threaded column 805, knob 806, auxiliary bearing 807, connecting block 808, auxiliary spring 809, bearing block 810, measuring contact 811, fixed body 901, internal thread connecting ring 902, annular auxiliary pressure surface 903, movable plug block 904, auxiliary spherical surface 905, clamping pressure head 906, connecting spring 907, auxiliary cone tip 908. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0027] Example 1: Please refer to Figure 1-Figure 7The present invention provides the following technical solutions: a computer host front panel PCB board test device, comprising a test device body 1, a test table 2, a contact plate 4, a lifting control rod 5, a guide rod 6, a test top assembly 7 and a test auxiliary assembly 8; the test device body 1 is provided with a test table 2, the test table 2 is provided with a test placement slot 3, the test table 2 is connected to the test top assembly 7, the contact plate 4 is connected to the test device body 1, and the contact plate 4 is arranged directly above the test table 2, the contact plate 4 is connected to the lifting control rod 5, the guide rod 6 is connected to the contact plate 4, and the contact plate 4 is connected to the test auxiliary assembly 8; a test system, comprising a computer host front panel PCB board test device; the present invention mainly A test auxiliary component 8 is arranged in the contact plate 4 on the test device for use in conjunction with a test upper component 7 in the test bench 2, which provides excellent auxiliary effect for the test device to test the PCB board. By arranging the test upper component 7 in the test placement slot 3, on the one hand, the board body can be pushed up during the test process so that the test points on the board body are in close contact with the measuring contact 811; on the other hand, after the test is completed, the board body can be pushed up to facilitate the removal of the board body, which is equivalent to a stripping function; it can avoid directly removing the board body and causing damage to the board body; the arranged test auxiliary component 8 and the test upper component 7 can be used in conjunction with each other to further improve the contact tightness between the measuring contact 811 and the test points on the PCB board.

[0028] Example 2: Based on Example 1, please refer to Figure 3-Figure 4, the test top assembly 7 here includes a movable top block 701, an auxiliary inclined surface 702, a guide auxiliary groove 703, a receiving groove 704, a threaded through groove 705, an adjusting screw 706, a handle 707, and a spherical surface pressure head 708; the movable top block 701 is placed in the receiving groove 704, and the receiving groove 704 is arranged in the test placement groove 3, the bottom end of the movable top block 701 is provided with an auxiliary inclined surface 702, the auxiliary inclined surface 702 is provided with a guide auxiliary groove 703, the threaded through groove 705 is arranged in the test bench 2, the threaded through groove 705 is threadedly connected with the adjusting screw 706, one end of the adjusting screw 706 is fixedly provided with a handle 707, and the other end of the adjusting screw 706 is provided with a spherical surface pressure head 708; the threaded through groove here 705 corresponds to the setting position of the guide auxiliary groove 703 on the auxiliary inclined surface 702, and the setting number is the same, and one end of the threaded through groove 705 is set on the side of the test bench 2, and the other end of the threaded through groove 705 extends to the test placement groove 3; the adjusting screw 706 here corresponds to the setting position of the guide auxiliary groove 703, and the setting number is the same; in this embodiment, the movable top block 701 is squeezed by adjusting the adjusting screw 706, so as to realize the upper pushing work, that is, one end of the adjusting screw 706 squeezes the auxiliary inclined surface 702 at the bottom end of the movable top block 701, and a matching guide auxiliary groove 703 is set on the auxiliary inclined surface 702, the purpose is to improve the top pressing stability of the adjusting screw 706 on the movable top block 701.

[0029] Example 3: Based on Example 2, please refer to Figure 3 and Figure 6-Figure 7The test auxiliary component 8 here includes a mounting plate 801, a mounting slot 802, a cavity 803, a cleaning soft brush 804, an adjusting threaded column 805, a knob 806, an auxiliary bearing 807, a connecting block 808, an auxiliary spring 809, a bearing block 810, a measuring contact 811 and an auxiliary structure; the mounting plate 801 is adapted to be connected with the mounting slot 802, and the mounting plate 801 is fixed by screws, the mounting slot 802 is arranged on the contact plate 4, and a cavity 803 is arranged at the bottom of the mounting slot 802, the cavity 803 is arranged in the contact plate 4, and a cleaning soft brush 804 is arranged in the cavity 803, and an adjusting threaded column 805 is arranged through a threaded connection in the mounting plate 801 An auxiliary structure is provided on the mounting carrier 801, and the auxiliary structure locks the regulating threaded column 805. A knob 806 is fixedly provided at one end of the regulating threaded column 805, and an auxiliary bearing 807 is provided at the other end of the regulating threaded column 805. The auxiliary bearing 807 is embedded and fixedly provided on the connecting block 808, and the connecting block 808 is connected to the auxiliary spring 809. The other end of the auxiliary spring 809 is fixedly provided on the bearing block 810, and a measuring contact 811 is provided at the bottom end of the bearing block 810; the cleaning soft brush 804 here is tilted in the cavity 803; the measuring contacts 811 here are provided with the same number of groups as the cavity 803, and one measuring contact 811 is provided in one cavity 803.

[0030] The test auxiliary component 8 and the test top component 7 provided in the present embodiment can be used in conjunction with each other to further improve the contact tightness between the measuring contact 811 and the test point on the PCB board. When performing the test work, the measuring contact 811 has a stable contact with the test point on the board body, and the soft brush 804 for cleaning in the cavity 803 is convenient for cleaning the head of the measuring contact 811, thereby ensuring the contact between the measuring contact 811 and the test point on the board body, which has a positive effect on improving the quality of the test work.

[0031] Please refer to Figure 7The auxiliary structure here includes a fixed body 901, an internal threaded connecting ring 902, an annular auxiliary pressure surface 903, a movable plug block 904, an auxiliary spherical surface 905, a clamping pressure head 906, a connecting spring 907, and an auxiliary cone tip 908; the fixed body 901 is arranged on the mounting carrier 801, and the fixed body 901 is arranged in a cylindrical shape, the fixed body 901 is sleeved on the regulating threaded column 805, the outer wall of the fixed body 901 is threadedly connected with an internal threaded connecting ring 902, and an annular auxiliary pressure surface 903 is arranged on the inner side of one end of the internal threaded connecting ring 902, the movable plug block 904 is movably plugged in the fixed body 901, one end of the movable plug block 904 extends to the outside of the fixed body 901, and the end surface is arranged as the auxiliary spherical surface 905, the movable plug block 904 A clamping pressure head 906 is fixedly provided at the other end, and a connecting spring 907 is fixedly provided at the end of the movable plug block 904 connected to the clamping pressure head 906. One end of the connecting spring 907 is fixedly provided in the fixed body 901, and an auxiliary cone tip 908 is fixedly provided at one end of the clamping pressure head 906; the annular auxiliary pressure surface 903 here is inclined, and the annular auxiliary pressure surface 903 corresponds to the setting position of the auxiliary spherical surface 905 at one end of the movable plug block 904; the clamping pressure head 906 and the movable plug block 904 have corresponding setting positions and the same number of setting groups, and the movable plug block 904 is symmetrically set in the fixed body 901; the purpose of this embodiment is to lock the regulating threaded column 805 to avoid loosening and affecting the normal use of the measuring contact 811.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A computer host front panel PCB board testing device, characterized in that: The test device comprises a test device body (1), a test table (2), a contact plate (4), a lifting control rod (5), a guide rod (6), a test top assembly (7) and a test auxiliary assembly (8); the test device body (1) is provided with a test table (2), the test table (2) is provided with a test placement slot (3), the test table (2) is connected to the test top assembly (7), the contact plate (4) is connected to the test device body (1), and the contact plate (4) is arranged directly above the test table (2), the contact plate (4) is connected to the lifting control rod (5), the guide rod (6) is connected to the contact plate (4), and the contact plate (4) is connected to the test auxiliary assembly (8); The test top assembly (7) comprises a movable top block (701), an auxiliary inclined surface (702), a guide auxiliary groove (703), a receiving groove (704), a threaded through groove (705), an adjusting screw (706), a handle (707), and a spherical surface pressure head (708); the movable top block (701) is placed in the receiving groove (704), the receiving groove (704) is arranged in the test placement groove (3), the bottom end of the movable top block (701) is provided with an auxiliary inclined surface (702), the auxiliary inclined surface (702) is provided with a guide auxiliary groove (703), the threaded through groove (705) is arranged in the test bench (2), the threaded through groove (705) is threadedly connected with the adjusting screw (706), one end of the adjusting screw (706) is fixedly provided with a handle (707), and the other end of the adjusting screw (706) is provided with a spherical surface pressure head (708); The test auxiliary component (8) comprises a mounting plate (801), a mounting slot (802), a cavity (803), a cleaning soft brush (804), an adjusting threaded column (805), a knob (806), an auxiliary bearing (807), a connecting block (808), an auxiliary spring (809), a bearing block (810), a measuring contact (811) and an auxiliary structure; the mounting plate (801) is adapted to be snap-connected with the mounting slot (802), and the mounting plate (801) is fixed by screws, the mounting slot (802) is arranged on the contact plate (4), and a cavity (803) is arranged at the bottom end of the mounting slot (802), the cavity (803) is arranged in the contact plate (4), and a contact is arranged in the cavity (803). A cleaning soft brush (804) is provided. A regulating threaded column (805) is provided in the mounting plate (801) through a threaded connection. An auxiliary structure is provided on the mounting plate (801). The auxiliary structure locks the regulating threaded column (805). A knob (806) is fixedly provided at one end of the regulating threaded column (805). An auxiliary bearing (807) is provided at the other end of the regulating threaded column (805). The auxiliary bearing (807) is embedded and fixedly provided on a connecting block (808). The connecting block (808) is connected to an auxiliary spring (809). The other end of the auxiliary spring (809) is fixedly provided on a bearing block (810). A measuring contact (811) is provided at the bottom end of the bearing block (810).

2. A computer host front panel PCB board testing device according to claim 1, characterized in that: The threaded through groove (705) and the auxiliary guide groove (703) on the auxiliary inclined surface (702) are arranged at corresponding positions and have the same number of groups, and one end of the threaded through groove (705) is arranged on the side of the test bench (2), and the other end of the threaded through groove (705) extends into the test placement groove (3).

3. A computer host front panel PCB board testing device according to claim 1, characterized in that: The regulating screw rod (706) and the auxiliary guide groove (703) are arranged at corresponding positions and have the same number of groups.

4. A computer host front panel PCB board testing device according to claim 1, characterized in that: The cleaning soft brush (804) is arranged at an angle in the cavity (803).

5. A computer host front panel PCB board testing device according to claim 1, characterized in that: The measuring contacts (811) are arranged in the same number of groups as the cavities (803), and one measuring contact (811) is arranged in one cavity (803).

6. A computer host front panel PCB board testing device according to claim 1, characterized in that: The auxiliary structure comprises a fixed body (901), an internally threaded connecting ring (902), an annular auxiliary pressure surface (903), a movable plug (904), an auxiliary spherical surface (905), a clamping pressure head (906), a connecting spring (907), and an auxiliary cone tip (908); the fixed body (901) is arranged on the mounting carrier (801), and the fixed body (901) is arranged in a columnar shape, and the fixed body (901) is sleeved on the regulating threaded column (805); the outer wall of the fixed body (901) is threadedly connected to the internally threaded connecting ring (902), and the inner side of one end of the internally threaded connecting ring (902) is provided with a ring The movable plug block (904) is movably plugged into the fixed body (901), one end of the movable plug block (904) extends to the outside of the fixed body (901), and the end surface is arranged as an auxiliary spherical surface (905), the other end of the movable plug block (904) is fixedly provided with a clamping pressure head (906), the movable plug block (904) is fixedly provided with a connecting spring (907) at the end connected to the clamping pressure head (906), one end of the connecting spring (907) is fixedly provided in the fixed body (901), and one end of the clamping pressure head (906) is fixedly provided with an auxiliary cone tip (908).

7. A computer host front panel PCB board testing device according to claim 6, characterized in that: The annular auxiliary pressure surface (903) is arranged at an angle, and the annular auxiliary pressure surface (903) corresponds to the auxiliary spherical surface (905) at one end of the movable plug (904) in a corresponding position; the clamping pressure head (906) corresponds to the movable plug (904) in a corresponding position, has the same number of arrangement groups, and the movable plug (904) is symmetrically arranged in the fixed body (901).

8. A testing system, characterized in that: A computer host front panel PCB board testing device comprising the above-mentioned any one of claims 1-7.

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