Rectifier bridge electrical property test equipment

Abstract

The main points of the technical scheme are that the rectifier bridge electrical property test equipment comprises a test bench, the top surface of the test bench is provided with a conveying groove, the conveying groove is internally provided with a belt conveyor, and the top surface of the test bench is fixedly provided with an electrical property test frame; the testing assembly is arranged on the bottom surface of the electrical testing frame and used for testing the voltage and current of the electrified rectifier bridge and a connecting plate, after the rectifier bridge is conveyed to the position below the testing plate through the belt conveyor, an electric push rod is started, the electric push rod drives the testing plate to descend, and after the connecting plate is located above the rectifier bridge, a driving motor is started; the driving motor drives the bidirectional lead screw to rotate, the bidirectional lead screw enables the moving block to drive the connecting plate to move towards the inner side, the connecting block on the connecting plate is made to abut against the rectifier bridge, so that the power-on test can be conducted on the rectifier bridge, after the test is completed, the driving motor rotates in the opposite direction, meanwhile, the electric push rod returns, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rectifier bridge testing, in particular to rectifier bridge electrical property testing equipment. Background Art

[0002] A rectifier bridge typically carries a sufficiently large inductive load to prevent current discontinuity. In typical rectifier bridge applications, a smoothing reactor is often connected to the load, allowing the load to be considered a constant current source. Manufacturers conduct electrical testing on each rectifier bridge during production.

[0003] According to the Chinese patent application number: CN202321087184.0, a rectifier bridge test device is disclosed for improving the efficiency of rectifier bridge testing. This application includes: a test platform, a protective frame, a control panel, a product transmission track, a positioning tool, an L-shaped support plate, a pressure cylinder, a displacement plate, a fixed block, and a test fixture; the protective frame is arranged on the test platform; the control panel is arranged on the protective frame; the product transmission track is arranged on the test platform, the positioning tool is arranged on the product transmission track, and the product transmission track is connected to the control panel; the L-shaped support plate is arranged on the test platform; the pressure cylinder is arranged on the L-shaped support plate, and the pressure cylinder is connected to the control panel; the pressure cylinder is connected to the displacement plate; the test fixture is fixed to the displacement plate through a fixed block; the test fixture includes a fixture fixing plate, a connecting column, a fixing plate, and a test probe; the fixture fixing plate is connected to the fixing block; the fixture fixing plate is connected to the fixing plate through at least two connecting columns; the test probe passes through the fixing plate; and the test probe is connected to the control panel.

[0004] At present, a rectifier bridge test device still has some shortcomings. For example, during the rectifier test process, the staff is required to connect the test circuit with the rectifier diode. After the test is completed, the rectifier bridge is removed from the test equipment. The test steps are complicated and the test efficiency is slow. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a rectifier bridge electrical testing device, which solves the problems mentioned in the background technology.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] The rectifier bridge electrical testing equipment includes: a test bench, a conveying trough is provided on the top surface of the test bench, a belt conveyor is provided inside the conveying trough, an electrical test frame is fixedly installed on the top surface of the test bench, and a power box is fixedly installed on the top surface of the electrical test frame; a test component, the test component is arranged on the bottom surface of the electrical test frame, and is used to test the voltage and current of the rectifier bridge after power is applied.

[0008] Preferably, the test assembly includes: a test plate, which is arranged on the bottom surface of the electrical test frame, and two connecting plates are provided on the bottom surface of the test plate, and a connecting block is fixedly installed on one side of the connecting plate. Two electric push rods are fixedly installed on the inner top surface of the electrical test frame, and the axes of the two electric push rods are fixedly connected to the connecting plate. A moving opening is opened on the top surface of the test plate, and a moving block is fixedly installed on the top surface of the connecting plate. A driving motor is fixedly installed on the top surface of the test plate, and the axis of the driving motor is fixedly connected to a bidirectional screw rod, and the bidirectional screw rod is threadedly connected to the moving block.

[0009] Preferably, a voltmeter and an ammeter are fixedly mounted on the top surface of the electrical test stand, a PLC controller is fixedly mounted on one side of the test bench, the PLC controller is electrically connected to the voltmeter and ammeter, and the voltmeter and ammeter are electrically connected to the connection block.

[0010] Preferably, a laser rangefinder is fixedly mounted on one side of the connecting plate, and the PLC controller is electrically connected to the laser rangefinder.

[0011] Preferably, a cylinder is fixedly installed on one side of the electrical test stand, and a push block is fixedly connected to the shaft of the cylinder.

[0012] Preferably, a slide groove is provided on one side of the test bench, and a collection box is fixedly installed on one side of the test bench.

[0013] In summary, the present invention has the following beneficial effects:

[0014] By setting a connecting plate, when the rectifier bridge is transferred to the bottom of the test plate through the belt conveyor, the electric push rod is started, and the electric push rod drives the test plate to descend. After the connecting plate is located above the rectifier bridge, the drive motor is started, and the drive motor drives the bidirectional screw to rotate. The bidirectional screw causes the moving block to drive the connecting plate to move inward, so that the connecting block on the connecting plate is close to the rectifier bridge, and the rectifier bridge is energized. The voltmeter is connected in parallel to the differential end point to be tested to measure the voltage drop, gradually adjust the output voltage, and monitor the reading on the ammeter to ensure that the current does not exceed the design value, thereby testing the electrical properties of the rectifier bridge, so that the rectifier bridge can be powered on. After the test is completed, the drive motor rotates in the opposite direction and the electric push rod returns, thereby improving the test efficiency. When the rectifier bridge passes the test, if the test result is unqualified, the PLC controller starts the cylinder, and the cylinder drives the pushing block to push the rectifier bridge out of the belt conveyor. The qualified rectifier bridge continues to be transmitted through the belt conveyor, thereby facilitating the sorting of qualified and unqualified rectifier bridges. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connecting plate structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection block structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the push block structure of the utility model.

[0019] Figure numerals: 1. Test bench; 2. Conveyor trough; 3. Belt conveyor; 4. Electrical test stand; 5. Power box; 6. Test board; 7. Connecting plate; 8. Connecting block; 9. Electric push rod; 10. Moving port; 11. Moving block; 12. Bidirectional screw; 13. Drive motor; 14. Laser rangefinder; 15. Voltmeter; 16. Ammeter; 17. PLC controller; 18. Cylinder; 19. Push block; 20. Chute; 21. Collection box. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] refer to Figure 1-Figure 4 The electrical test equipment for the rectifier bridge includes: a test bench 1, a conveying trough 2 is provided on the top surface of the test bench 1, a belt conveyor 3 is provided inside the conveying trough 2, an electrical test frame 4 is fixedly installed on the top surface of the test bench 1, and a power box 5 is fixedly installed on the top surface of the electrical test frame 4; a test component is arranged on the bottom surface of the electrical test frame 4, and is used to test the voltage and current of the rectifier bridge after power is applied;

[0022] By setting up the belt conveyor 3, after the rectifier bridge is produced, during the process of being conveyed by the belt conveyor 3, the rectifier bridge on the belt conveyor 3 can be tested by the test component, thereby greatly improving the testing speed of the rectifier bridge.

[0023] As a further solution of the present utility model, the test assembly includes: a test plate 6, the test plate 6 is arranged on the bottom surface of the electrical test frame 4, the bottom surface of the test plate 6 is provided with two connecting plates 7, one side of the connecting plate 7 is fixedly mounted with a connecting block 8, the inner top surface of the electrical test frame 4 is fixedly mounted with two electric push rods 9, the shafts of the two electric push rods 9 are fixedly connected to the connecting plate 7, the top surface of the test plate 6 is provided with a moving opening 10, the top surface of the connecting plate 7 is fixedly mounted with a moving block 11, the top surface of the test plate 6 is fixedly mounted with a drive motor 13, the shaft of the drive motor 13 is fixedly connected with a bidirectional screw rod 12, and the bidirectional screw rod 12 is threadedly connected to the moving block 11;

[0024] By setting the connecting plate 7, when the rectifier bridge is transferred to the bottom of the test plate 6 through the belt conveyor 3, the electric push rod 9 is started, and the electric push rod 9 drives the test plate 6 to descend, so that the connecting plate 7 is located above the rectifier bridge, and then the drive motor 13 is started, and the drive motor 13 drives the bidirectional screw rod 12 to rotate. The bidirectional screw rod 12 causes the moving block 11 to drive the connecting plate 7 to move inward, so that the connecting block 8 on the connecting plate 7 is close to the rectifier bridge, so that the rectifier bridge can be powered on for testing. After the test is completed, the drive motor 13 rotates in the opposite direction and the electric push rod 9 returns, thereby improving the test efficiency.

[0025] As a further solution of the present invention, a voltmeter 15 and an ammeter 16 are fixedly mounted on the top surface of the electrical test stand 4, and a PLC controller 17 is fixedly mounted on one side of the test bench 1. The PLC controller 17 is electrically connected to the voltmeter 15 and the ammeter 16, and is electrically connected to the voltmeter 15 and the ammeter 16 and the connection block 8;

[0026] By setting up the voltmeter 15, when in use, after the connecting plate 7 is close to the rectifier bridge, the rectifier bridge is energized through the connecting block 8, and the voltmeter 15 is connected in parallel to the differential endpoint to be tested to measure the voltage drop, gradually adjust the output voltage, and monitor the reading on the ammeter 16 to ensure that the current does not exceed the design value, thereby testing the electrical properties of the rectifier bridge.

[0027] As a further solution of the present invention, a laser rangefinder 14 is fixedly mounted on one side of the connecting plate 7, and a PLC controller 17 is electrically connected to the laser rangefinder 14;

[0028] By setting up the laser rangefinder 14, when the connecting plate 7 is brought into contact with rectifier bridges of different sizes, the laser rangefinder 14 measures the contact distance of the connecting plate 7 to prevent the connecting plate 7 from being over-contacted and causing damage to the rectifier bridge.

[0029] As a further solution of the present invention, a cylinder 18 is fixedly installed on one side of the electrical test stand 4, and a push block 19 is fixedly connected to the shaft of the cylinder 18;

[0030] By setting the pushing block 19, when the rectifier bridge passes the test but the test result is unqualified, the PLC controller 17 starts the cylinder 18, and the cylinder 18 drives the pushing block 19 to push the rectifier bridge out of the belt conveyor 3. The qualified rectifier bridge continues to be transmitted through the belt conveyor 3, thereby facilitating the sorting of qualified and unqualified rectifier bridges.

[0031] As a further solution of the present invention, a chute 20 is provided on one side of the test bench 1 , and a collection box 21 is fixedly installed on one side of the test bench 1 ;

[0032] By setting up the collection box 21, when unqualified rectifier bridges are pushed by the push block 19 from the belt conveyor 3, through the chute 20, and slide into the collection box 21, these unqualified rectifier bridges are collected through the collection box 21, which is convenient for subsequent processing.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Rectifier bridge electrical test equipment, characterized in that: include: A test bench (1), wherein a conveying trough (2) is provided on the top surface of the test bench (1), a belt conveyor (3) is provided inside the conveying trough (2), an electrical test frame (4) is fixedly mounted on the top surface of the test bench (1), and a power supply box (5) is fixedly mounted on the top surface of the electrical test frame (4); A test component is arranged on the bottom surface of the electrical test frame (4) and is used to test the voltage and current of the rectifier bridge after power is supplied.

2. The rectifier bridge electrical testing equipment according to claim 1, characterized in that: The test components include: A test board (6), wherein the test board (6) is arranged on the bottom surface of an electrical test frame (4), the bottom surface of the test board (6) is provided with two connecting plates (7), one side of the connecting plate (7) is fixedly mounted with a connecting block (8), the inner top surface of the electrical test frame (4) is fixedly mounted with two electric push rods (9), the shafts of the two electric push rods (9) are fixedly connected to the connecting plate (7), the top surface of the test board (6) is provided with a moving opening (10), the top surface of the connecting plate (7) is fixedly mounted with a moving block (11), the top surface of the test board (6) is fixedly mounted with a driving motor (13), the shaft of the driving motor (13) is fixedly connected with a bidirectional screw rod (12), and the bidirectional screw rod (12) is threadedly connected to the moving block (11).

3. The rectifier bridge electrical testing equipment according to claim 2, characterized in that: A voltmeter (15) and an ammeter (16) are fixedly mounted on the top surface of the electrical test stand (4), and a PLC controller (17) is fixedly mounted on one side of the test bench (1). The PLC controller (17) is electrically connected to the voltmeter (15) and the ammeter (16), and is also electrically connected to the voltmeter (15) and the ammeter (16) and the connection block (8).

4. The rectifier bridge electrical testing equipment according to claim 3, characterized in that: A laser rangefinder (14) is fixedly mounted on one side of the connecting plate (7), and the PLC controller (17) is electrically connected to the laser rangefinder (14).

5. The rectifier bridge electrical testing equipment according to claim 1, characterized in that: A cylinder (18) is fixedly mounted on one side of the electrical test stand (4), and a push block (19) is fixedly connected to the shaft of the cylinder (18).

6. The rectifier bridge electrical test equipment according to claim 5, characterized in that: A chute (20) is provided on one side of the test bench (1), and a collection box (21) is fixedly mounted on one side of the test bench (1).

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