Simulation load test tool

Abstract

The utility model discloses a simulation load test tool, which comprises a bottom plate and a detection table, the top side of the bottom plate is fixedly connected with the detection table, the left edge of the top of the bottom plate is fixedly connected with an L-shaped support plate, and the top of the L-shaped support plate is fixedly connected with a telescopic cylinder, so that a circuit board to be detected can be effectively placed on a test seat more smoothly, and the test efficiency is improved. The circuit board load capacity of the electric tool can be judged more intuitively without judging whether the flicker frequency of a load indicator lamp on the circuit board meets the standard or not by naked eyes of a worker, the detection data is more accurate, and the detection efficiency is improved. And meanwhile, the plurality of test bases are used for detection, so that the working efficiency is greatly improved, the to-be-detected circuit boards assembled on the plurality of test bases can be quickly pressed and positioned, a switch connected to the circuit board does not need to be manually turned on, and the stability of detection operation is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of load testing tooling, in particular to a simulation load testing tooling. Background Art

[0002] In electric products, it is often necessary to perform simulated load testing on the controller circuit board inside the product to test the quality of the product.

[0003] In the existing technology, workers are required to inspect the controller circuit boards of electric products one by one, and perform load testing by manually observing the flashing frequency of indicator lights on the powered controller circuit boards. The large amount of observation work required by workers will cause eye fatigue, greatly reducing the detection efficiency and accuracy. In addition, the wires and switch circuits on the controller circuit boards need to be manually positioned and opened, which is time-consuming and labor-intensive.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] In view of the problems in the related art, the present invention proposes a simulated load test tool to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted in this utility model are as follows:

[0007] The simulated load test fixture includes a base plate and a test bench. The top side of the base plate is fixedly connected to the test bench. The left edge of the top of the base plate is fixedly connected to an L-shaped support plate. The top of the L-shaped support plate is fixedly connected to a telescopic cylinder. The fixed end of the telescopic cylinder passes through the bottom side of the L-shaped support plate, and the movable end is fixedly connected to a positioning plate. Test seats are equidistantly embedded in the front and rear edges and the center of the top of the test bench. The test seat includes an outer shell and an inner shell. The inner shell is arranged in the inner cavity of the outer shell. A circuit board placement groove is dug on the top side of the outer shell.

[0008] Preferably, a connection groove is symmetrically dug on the left side of the rear portion of the circuit board placement groove, a power hole groove is symmetrically dug on the right side of the connection groove, and a test wiring hole is symmetrically dug on the right side of the power hole groove.

[0009] Preferably, a lamp hole is dug on the front side of the circuit board placement groove, a first wire hole is provided on the rear side of the lamp hole, a second wire hole is provided on the front side of the connection groove, and a third wire hole is provided on the front side of the power hole groove and the front side of the test wiring hole.

[0010] Preferably, the first wire hole, the second wire hole and the third wire hole are all connected to the inside of the circuit board placement slot, and an indicator light is provided on the outer side of the outer shell, and a display screen is embedded and fixed on one side of the indicator light.

[0011] Preferably, a detection cavity is provided on one side of the inner cavity of the inner shell, and an installation cavity is symmetrically provided on the other side of the inner cavity of the inner shell. A photoelectric sensor is connected to one side of the inner wall of the detection cavity, a counting switch is provided on the outside of the detection cavity, and a single-chip microcomputer controller is provided on one side of the counting switch.

[0012] Preferably, a battery is fixedly connected to the inside of the installation cavity on one side, and an electric motor is fixedly connected to the inside of the installation cavity on the other side. The positive and negative terminals of the electric motor and the battery are respectively fixed inside the power hole slot and the test wiring hole.

[0013] Preferably, the positioning plate includes a lifting plate and an insulating pressure rod, and the insulating pressure rods are equidistantly arranged on the bottom side of the lifting plate. The positions of the insulating pressure rods correspond to the positions of the power hole slot, the test wiring hole, the connection groove, and the lamp hole, and they are movable and extend into the power hole slot, the test wiring hole, the connection groove, and the lamp hole, respectively.

[0014] Preferably, connecting notches are dug equidistantly on the front and rear edges of the top of the test bench, the connecting notches pass through the outside of the test bench, and slide rails are provided on both sides of the inner wall of the connecting notch, and the movable ends of the slide rails are fixedly connected to both sides of the test seat.

[0015] The beneficial effects of the present invention are: it can effectively make the circuit board to be tested more flat on the test seat, avoid the dispersion of messy wires, and arrange the wires of the circuit board in an orderly manner. It can more intuitively judge the load capacity of the circuit board of the power tool, and there is no need for the staff to judge with the naked eye whether the number of flashes of the load indicator light on the circuit board meets the standard. The detection data is more accurate. At the same time, multiple test seats are used for detection, which greatly improves work efficiency. The circuit boards to be tested assembled on multiple test seats can be quickly pressed and positioned without manual opening of the switches connected to the circuit boards, and the stability of the detection operation is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 1 is a schematic diagram of the overall structure of a simulated load test tool according to an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the appearance structure of the outer shell of the simulated load test tool according to an embodiment of the present utility model;

[0019] Figure 3 Schematic diagram of the internal structure of the inner shell of the simulated load test tool according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the appearance and structure of the positioning plate of the simulated load test tool according to an embodiment of the present utility model;

[0021] Figure 5 The figure is a schematic diagram of the appearance structure of a test bench of a simulated load test fixture according to an embodiment of the present utility model.

[0022] In the picture:

[0023] 1. Base plate; 2. Test table; 3. L-shaped support plate; 4. Telescopic cylinder; 5. Positioning plate; 6. Test socket; 7. Outer shell; 8. Inner shell; 9. Circuit board placement slot; 10. Connection groove; 11. Power hole slot; 12. Test wiring hole; 13. Lamp hole; 14. First wire hole; 15. Second wire hole; 16. Third wire hole; 17. Indicator light; 18. Display screen; 19. Test cavity; 20. Installation cavity; 21. Photoelectric sensor; 22. Counting switch; 23. Single-chip microcomputer controller; 24. Battery; 25. Electric motor; 26. Lifting plate; 27. Insulating pressure rod; 28. Connection gap; 29. ​​Slide rail. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the present utility model, a simulated load testing tool is provided.

[0026] Example 1

[0027] like Figure 1-5The top of the testing platform 2 is provided with an L-shaped support plate 3, and the top of the L-shaped support plate 3 is fixedly connected to the testing platform 2. The fixed end of the telescopic cylinder 4 passes through the bottom of the L-shaped support plate 3, and the movable end is fixedly connected to the positioning plate 5. The front and rear edges and the center of the testing platform 2 are equidistantly embedded with a test seat 6. The test seat 6 includes an outer shell 7 and an inner shell 8. The inner shell 8 is arranged in the inner cavity of the outer shell 7. A circuit board placement groove 9 is dug on the top side of the outer shell 7. A connecting groove 10 is symmetrically dug on the left side of the rear of the circuit board placement groove 9. A power hole groove 11 is symmetrically dug on the right side of the connecting groove 10. A test wiring hole 12 is symmetrically dug on the right side of the power hole groove 11. A lamp hole 13 is dug on the front side of the circuit board placement groove 9. A first wire hole 14 is penetrated through the rear side of the lamp hole 13. A second wire hole 15 is penetrated through the front of the connecting groove 10. The front side of the test wiring hole 12 is provided with a third wire hole 16, and the first wire hole 14, the second wire hole 15, and the third wire hole 16 are all connected to the inside of the circuit board placement groove 9. An indicator light 17 is provided on the outer side of the outer shell 7, and a display screen 18 is embedded and fixed on one side of the indicator light 17. The circuit boards to be tested can be placed in the circuit board placement groove 9 in the test seat 6 on the test table 2 in turn, and the switches connected by wires on the circuit boards are removed upward into the connection grooves 10, and the positive and negative wires of the power supply on the circuit board are respectively inserted into the power hole grooves 11, and the wires for testing the load capacity are respectively inserted into the test wiring hole 12, and the load indicator light beads on the circuit board are inserted into the lamp hole 13. In addition, each switch circuit and wiring circuit are respectively embedded in the first wire hole 14, the second wire hole 15, and the third wire hole 16 for fixation, which can effectively make the circuit board to be tested more flat on the test seat 6, avoid the dispersion of messy wires, and make the circuit board wires arranged regularly.

[0028] Example 2

[0029] like Figure 1-5As shown, the simulated load test fixture according to the embodiment of the present invention includes a base plate 1 and a test platform 2. The top side of the base plate 1 is fixedly connected to the test platform 2. The left edge of the top of the base plate 1 is fixedly connected to an L-shaped support plate 3. The top of the L-shaped support plate 3 is fixedly connected to a telescopic cylinder 4. The fixed end of the telescopic cylinder 4 passes through the bottom side of the L-shaped support plate 3, and the movable end is fixedly connected to a positioning plate 5. Test seats 6 are equidistantly embedded at the front and rear edges and the center of the top of the test platform 2. The test seat 6 includes an outer shell 7 and an inner shell 8. The inner shell 8 is arranged in the inner cavity of the outer shell 7. An electrical The circuit board is placed in the slot 9, and a detection cavity 19 is provided on one side of the inner cavity of the inner shell 8. A mounting cavity 20 is symmetrically provided on the other side of the inner cavity of the inner shell 8. A photoelectric sensor 21 is connected to one side of the inner wall of the detection cavity 19, and a counting switch 22 is provided on the outside of the detection cavity 19. A single-chip controller 23 is provided on one side of the counting switch 22. A battery 24 is fixedly connected to the inside of the mounting cavity 20 on one side, and an electric motor 25 is fixedly connected to the inside of the mounting cavity 20 on the other side. The positive and negative terminals of the electric motor 25 and the battery 24 are respectively fixed to the power hole slot 11 and the test wiring hole 12. The test load on the circuit board can The force wires are respectively inserted into the test wiring holes 12 and contact and connect with the positive and negative terminals of the electric motor 25. The load indicator bead on the circuit board is inserted into the lamp hole 13 and is located in the enclosed space of the detection chamber 19. The positive and negative power supply wires on the circuit board are respectively inserted into the power hole slot 11 and contact and connect with the positive and negative terminals of the battery 24 to energize. The electric motor 25 runs to test the load capacity of the circuit board. The photoelectric sensor 21 is electrically connected to the counting switch, the single-chip controller 23, the indicator light 17, and the display screen 18 via wires. In the dark detection chamber, the photoelectric sensor 21 can detect the flashing frequency of the lamp bead on the circuit board that determines the load capacity, and then convert it into an electrical signal to enable the counting switch 22 to count. When the count reaches the qualified standard, the single-chip controller 23 can control the indicator light 17 to flash and the display screen 18 to display the word "qualified". This can more intuitively determine the load capacity of the power tool circuit board, eliminating the need for workers to visually judge whether the flashing number of the load indicator on the circuit board meets the standard. The test data is more accurate. Utilizing multiple test sockets 6 for testing simultaneously greatly improves work efficiency.

[0030] Example 3

[0031] like Figure 1-5As shown, the simulated load test fixture according to the embodiment of the present invention includes a base plate 1 and a test platform 2. The top side of the base plate 1 is fixedly connected to the test platform 2. The left edge of the top of the base plate 1 is fixedly connected to an L-shaped support plate 3. The top of the L-shaped support plate 3 is fixedly connected to a telescopic cylinder 4. The fixed end of the telescopic cylinder 4 passes through the bottom side of the L-shaped support plate 3, and the movable end is fixedly connected to a positioning plate 5. Test seats 6 are equidistantly embedded at the front and rear edges and the center of the top of the test platform 2. The test seat 6 includes an outer shell 7, an inner shell 8, and an inner shell 9. The body 8 is arranged in the inner cavity of the outer shell 7, and the top side of the outer shell 7 is dug with a circuit board placement groove 9. The positioning plate 5 includes a lifting plate 26 and an insulating pressure rod 27. The insulating pressure rod 27 is equidistantly arranged on the bottom side of the lifting plate 26. The positions of the insulating pressure rod 27 correspond to the positions of the power hole groove 11, the test wiring hole 12, the connection groove 10, and the lamp hole 13, and they are respectively movable and extend into the power hole groove 11, the test wiring hole 12, the connection groove 10, and the lamp hole 13. The front and rear edges of the top of the test table 2 are equidistantly dug with connection notches 2 8, the connecting notch 28 runs through the outer side of the test table 2, and the two sides of the inner wall of the connecting notch 28 are respectively provided with slide rails 29, and the movable ends of the slide rails 29 are respectively fixedly connected to the two sides of the test seat 6, and the insulating pressure rod 27 on the positioning plate 5 is activated by the telescopic cylinder 4 to lower the positioning plate 5 and press the insulating pressure rod 27 toward the power hole slot 11, the test wiring hole 12, the connecting groove 10, and the lamp hole 13 respectively, so that the surface of the circuit board can be pressed, the switch button in the connecting groove 10 is turned on, the lamp is positioned in the detection cavity 19, the positive and negative wires of the power supply are connected to the positive and negative terminals of the battery 24 by flat pressure, and the wires for testing the load capacity are respectively inserted into the test wiring hole 12 and connected to the positive and negative terminals of the electric motor 25 by flat pressure, so that the circuit boards to be tested assembled on multiple test seats 6 can be quickly pressed and positioned, without the need to manually open the switch connected to the circuit board, the stability of the detection operation is greatly improved, and the test seat 6 can be pulled out of the connecting notch 28, which is convenient for taking out the circuit board and making the operation more convenient.

[0032] In summary, with the help of the above-mentioned technical scheme of the utility model, when this device is in use, the circuit board to be tested can be placed in the circuit board placement groove 9 in the test seat 6 on the test table 2 in turn, and the switches connected by wires on the circuit board are removed upward into the connecting groove 10, and the wires of the positive and negative poles of the power supply on the circuit board are respectively inserted into the power hole groove 11, and the wires for testing the load capacity are respectively inserted into the test wiring hole 12, and the load indicator beads on the circuit board are inserted into the lamp hole 13, and each switch circuit and wiring circuit are respectively correspondingly embedded in the first wire hole 14, the second wire hole 15, and the third wire hole 16 for fixation. The insulating pressure rod 27 on the positioning plate 5 is lowered by the activation of the telescopic cylinder 4, and the insulating pressure rod 27 is pressed toward the power hole groove 11, the test wiring hole 12, the connecting groove 10, and the lamp hole 13, so that the surface of the circuit board is pressed, the switch button in the connecting groove 10 is turned on, the light bulb is positioned in the detection cavity 19, and the positive and negative wires of the power supply are pressed flat against the positive and negative terminals of the battery 24. The wires for connecting and testing the load capacity are respectively inserted into the test wiring hole 12 and are connected with the positive and negative terminals of the electric motor 25 by flat pressure. The wires for testing the load capacity on the circuit board are respectively inserted into the test wiring hole 12 and are contacted and connected with the positive and negative terminals of the electric motor 25. The load indicator light bead on the circuit board is inserted into the lamp hole 13 and is located in the enclosed space in the detection cavity 19. The positive and negative wires of the power supply on the circuit board are respectively inserted into the power hole slot 11 and are contacted with the positive and negative terminals of the battery 24 to energize. The electric motor 25 runs to test the load capacity of the circuit board. The photoelectric sensor 21 is electrically connected to the counting switch, the single-chip controller 23, the indicator light 17, and the display screen 18 through the wires. In the dark detection cavity, the photoelectric sensor 21 can detect the flashing frequency of the lamp bead on the circuit board for judging the load capacity, and then convert it into an electrical signal to enable the counting switch 22 to count. After the count reaches the qualified standard, the single-chip controller 23 can control the indicator light 17 to flash and the display screen 18 to display the word "qualified".

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A simulated load test fixture, comprising a base plate (1) and a test bench (2), characterized in that: The top side of the base plate (1) is fixedly connected to the test bench (2); the left edge of the top of the base plate (1) is fixedly connected to an L-shaped support plate (3); the top of the L-shaped support plate (3) is fixedly connected to a telescopic cylinder (4); the fixed end of the telescopic cylinder (4) passes through the bottom side of the L-shaped support plate (3), and the movable end is fixedly connected to a positioning plate (5); the front and rear edges and the center of the top of the test bench (2) are equidistantly embedded with a test seat (6); the test seat (6) comprises an outer shell (7) and an inner shell (8); the inner shell (8) is arranged in the inner cavity of the outer shell (7); and a circuit board placement groove (9) is excavated on the top side of the outer shell (7).

2. The simulated load test tool according to claim 1, characterized in that: A connection groove (10) is symmetrically excavated on the left side of the rear portion of the circuit board placement groove (9), a power hole groove (11) is symmetrically excavated on the right side of the connection groove (10), and a test wiring hole (12) is symmetrically excavated on the right side of the power hole groove (11).

3. The simulated load test tool according to claim 2, characterized in that: A lamp hole (13) is excavated on the front side of the circuit board placement slot (9), a first wire hole (14) is penetrated on the rear side of the lamp hole (13), a second wire hole (15) is penetrated on the front side of the connection groove (10), and a third wire hole (16) is penetrated on the front side of both the power hole slot (11) and the front side of the test wiring hole (12).

4. The simulated load test tool according to claim 3, characterized in that: The first wire hole (14), the second wire hole (15), and the third wire hole (16) are all connected to the inside of the circuit board placement groove (9). An indicator light (17) is provided on the outer side of the outer shell (7), and a display screen (18) is embedded and fixed on one side of the indicator light (17).

5. The simulated load test tool according to claim 4, characterized in that: A detection cavity (19) is provided on one side of the inner cavity of the inner shell (8), and a mounting cavity (20) is symmetrically provided on the other side of the inner cavity of the inner shell (8). A photoelectric sensor (21) is connected to one side of the inner wall of the detection cavity (19), and a counting switch (22) is provided on the outer side of the detection cavity (19). A single-chip microcomputer controller (23) is provided on one side of the counting switch (22).

6. The simulated load test tool according to claim 5, characterized in that: A battery (24) is fixedly connected inside the installation cavity (20) on one side, and an electric motor (25) is fixedly connected inside the installation cavity (20) on the other side. The positive and negative terminals of the electric motor (25) and the battery (24) are respectively passed through and fixed inside the power hole slot (11) and the test wiring hole (12).

7. The simulated load test fixture according to claim 6, characterized in that: The positioning plate (5) includes a lifting plate (26) and an insulating pressure rod (27). The insulating pressure rod (27) is equidistantly arranged on the bottom side of the lifting plate (26). The positions of the insulating pressure rod (27) respectively correspond to the positions of the power hole slot (11), the test wiring hole (12), the connection groove (10), and the lamp hole (13), and the insulating pressure rod (27) is movable and extends into the inside of the power hole slot (11), the test wiring hole (12), the connection groove (10), and the lamp hole (13).

8. The simulated load test tool according to claim 7, characterized in that: Connecting notches (28) are dug at equal intervals on the front and rear edges of the top of the test platform (2), the connecting notches (28) pass through the outside of the test platform (2), and slide rails (29) are respectively provided on both sides of the inner wall of the connecting notch (28), and the movable ends of the slide rails (29) are respectively fixedly connected to the two sides of the test seat (6).

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