Power battery detection device

Abstract

The utility model relates to a power battery detection device, which comprises a base and a test pen fixing device, supporting columns are arranged at four corners of the top of the base, a top plate is fixedly connected to the tops among the four supporting columns, an instrument mounting seat is arranged at the top of the top plate, and a battery positioning device is arranged at the top of the base. The battery positioning device comprises three first guide rails, the three first guide rails are arranged on the two sides and the back face of the top of the base correspondingly, sliding rods are slidably connected into the first guide rails, and the sides, close to the center of the base, of the sliding rods penetrate through the first guide rails and are fixedly connected with limiting plates. A positioning mechanism is arranged at the top of the first guide rail and corresponds to the slot; according to the utility model, the traditional working mode of manually measuring the voltage by using a test pen is replaced, the labor intensity of workers is greatly reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery voltage detection equipment, in particular to a power battery detection device. Background Art

[0002] After the power battery is produced, it needs to undergo a series of tests to ensure its quality and safety, including appearance inspection, size inspection, weight inspection, electrical performance inspection, environmental adaptability inspection, safety inspection, etc. Among the electrical performance inspections, one of the inspections is the voltage of the power battery. When detecting the power battery voltage, a multimeter is usually used.

[0003] At present, the working method of detecting voltage is all done manually. The specific operation is: first place the power battery on the table, then pick up two test pens, respectively contact the two test pens with the positive and negative poles of the power battery, and then observe the numbers displayed on the multimeter to determine whether the power battery is qualified, then put down the test pen, and then move the next power battery to the table for testing, and repeat the above operation until the voltage of all power batteries is tested. In the process of operating the test pen to test multiple power batteries, the staff needs to constantly raise and lower their arms. The repetitive operation can easily make the staff feel tired, thereby affecting work efficiency. Therefore, it is necessary to design a power battery testing device to solve the above technical problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a power battery detection device for solving the problem of low working efficiency in the traditional voltage detection process.

[0005] The utility model provides a power battery detection device, comprising a base and a test pen fixing device, wherein support columns are installed at the four corners of the top of the base, a top plate is fixedly connected to the top between the four support columns, an instrument mounting seat is installed on the top of the top plate, a battery positioning device is arranged on the top of the base, the battery positioning device comprises three first guide rails, the three first guide rails are respectively arranged on both sides and the back side of the top of the base, a sliding rod is slidably connected inside the first guide rail, a side of the sliding rod close to the center of the base passes through the first guide rail and is fixedly connected to a limiting plate, a slot is opened on the top of the first guide rail, a positioning mechanism is arranged at the top of the first guide rail and at the position corresponding to the slot, second guide rails are installed on both sides of the bottom of the top plate, a lateral moving mechanism is arranged inside the second guide rail, and the lateral moving mechanism is used to drive the test pen fixing device to move in a horizontal direction.

[0006] As a further improvement of the utility model, the positioning mechanism includes a positioning block fixedly connected to the top of the base, the interior of the positioning block is a hollow structure, and the top of the positioning block is slidably connected to a positioning rod in a vertical direction.

[0007] As a further improvement of the utility model, the positioning rod is fixedly connected to a connecting plate at a position inside the positioning block, a return spring is installed on the top of the connecting plate, and the other end of the return spring is fixedly connected to the top of the inner wall of the positioning block.

[0008] As a further improvement of the utility model, the top of the positioning rod passes through the top of the positioning block and is fixedly connected to a handle, and the bottom of the positioning rod passes through the bottom of the positioning block and fits with the top of the sliding rod.

[0009] As a further improvement of the utility model, the lateral movement mechanism includes a stepper motor, a ball screw and a screw nut. The stepper motor is installed on one side of the second guide rail, the ball screw is rotatably connected between the two sides of the inner wall of the second guide rail, and one end of the ball screw is fixedly connected to the output end of the stepper motor, and the screw nut is installed on the surface of the ball screw.

[0010] As a further improvement of the utility model, a slider is fixedly connected to the outer side of the screw nut, and limiting protrusions are provided on the front and back sides of the slider. Limiting grooves are provided on the front and back sides of the inner wall of the second guide rail, and the limiting protrusions are slidably connected to the inside of the limiting groove.

[0011] As a further improvement of the utility model, the test pen fixing device includes an electric telescopic rod, which is installed at the bottom of the slider, and the bottom of the output end of the electric telescopic rod is rotatably connected to a fixed sleeve, and the interior of the fixed sleeve is fixedly connected to a rubber sleeve.

[0012] As a further improvement of the present invention, through holes are provided at the top of the top plate and at positions close to both sides of the instrument mounting seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model sets three first guide rails, sliding rods and limit plates on the base, so that the three limit plates can limit the position of the power battery, ensuring that each time the power battery is replaced, the power battery can be at the same position above the base, and the stepping motor, ball screw, slider and screw nut are arranged, and the electric telescopic rod and fixed sleeve arranged below the slider are cooperated, so that the staff can accurately control the horizontal position and height position of the fixed sleeve, ensuring that the test pen in the fixed sleeve can touch the positive and negative electrodes of the power battery when it falls vertically, thereby replacing the traditional manual work method of using the test pen to measure the voltage, greatly reducing the labor intensity of the staff, and thus improving work efficiency.

[0015] 2. The utility model provides a slot above the first guide rail, in cooperation with the positioning block, positioning rod and reset spring provided above the slot, so that the positioning rod can always press the surface of the slide bar under the elastic force of the reset spring, thereby positioning the slide bar and the limit plate, preventing the limit plate from moving, and ensuring accurate positioning of the power battery each time. The instrument mounting seat provided on the base cooperates with the through holes provided on both sides of the top plate, so that the staff can plug the multimeter into the instrument mounting seat and fix it for easy observation. At the same time, the test pen can be inserted into the fixed sleeve through the through hole, which is more convenient for detection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. base; 2. support column; 3. top plate; 4. instrument mounting seat; 5. through hole; 6. first guide rail; 601, slot; 7. slide bar; 8. limit plate; 9. positioning block; 10. positioning rod; 11. handle; 12. reset spring; 13. second guide rail; 14. stepper motor; 15. ball screw; 16. slider; 17. screw nut; 18. electric telescopic rod; 19. fixing sleeve; 20. rubber sleeve. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0023] In the description of this technology, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this technology can be understood according to specific circumstances.

[0024] See also Figure 1-4 A power battery detection device of the utility model comprises a base 1 and a test pen fixing device, support columns 2 are installed at the four corners of the top of the base 1, a top plate 3 is fixedly connected to the top between the four support columns 2, an instrument mounting seat 4 is installed on the top of the top plate 3, a battery positioning device is arranged on the top of the base 1, and the battery positioning device comprises three first guide rails 6, which are respectively arranged on both sides and the back of the top of the base 1, a sliding rod 7 is slidably connected inside the first guide rail 6, and a side of the sliding rod 7 close to the center of the base 1 passes through the first guide rail 6 and is fixedly connected to a limiting plate 8, a slot 601 is opened on the top of the first guide rail 6, and a positioning mechanism is arranged at the top of the first guide rail 6 and at a position corresponding to the slot 601, second guide rails 13 are installed on both sides of the bottom of the top plate 3, and a lateral moving mechanism is arranged inside the second guide rail 13, and the lateral moving mechanism is used to drive the test pen fixing device to move in a horizontal direction, and through holes 5 are opened at the top of the top plate 3 and close to both sides of the instrument mounting seat 4, so that the test pen can pass through the base 1 and connect with the test pen fixing device.

[0025] When using the device to perform voltage detection on a batch of power batteries of the same model, the staff first needs to take out a power battery and place the positive and negative poles of the power battery on the base 1 with the positive and negative poles facing upwards. Then the staff adjusts the position of the test pen fixture through the lateral moving mechanism so that the two test pen fixtures are respectively aligned with the positive and negative poles of the power battery. Then, the three limit plates 8 are pulled respectively so that the three limit plates 8 are respectively attached to the left and right sides and the back of the power battery, so as to locate the power battery from three directions, ensuring that each time the power battery is replaced, its positive and negative poles can correspond to the positions of the two test pen fixtures, and then the testing work can be prepared.

[0026] In this embodiment, the positioning mechanism includes a positioning block 9 fixedly connected to the top of the base 1. The interior of the positioning block 9 is a hollow structure. The top of the positioning block 9 is slidably connected to a positioning rod 10 in a vertical direction. The positioning rod 10 is fixedly connected to a connecting plate at a position inside the positioning block 9. A reset spring 12 is installed on the top of the connecting plate. The other end of the reset spring 12 is fixedly connected to the top of the inner wall of the positioning block 9. The top of the positioning rod 10 passes through the top of the positioning block 9 and is fixedly connected to a handle 11. The bottom of the positioning rod 10 passes through the bottom of the positioning block 9 and fits with the top of the sliding rod 7.

[0027] Through the above embodiment, after the staff has adjusted the position of the slide bar 7 and the limit plate 8, the positioning rod 10 can always press the surface of the slide bar 7 under the elastic force of the reset spring 12, thereby positioning the slide bar 7 and the limit plate 8 to prevent the limit plate 8 from moving, thereby ensuring the accurate positioning of the power battery every time. When the position of the limit plate 8 needs to be adjusted, it is only necessary to pull the handle 11 upwards to separate the positioning rod 10 from the slide bar 7, and then the slide bar 7 can be pulled to adjust the position of the limit plate 8.

[0028] In this embodiment, the lateral movement mechanism includes a stepper motor 14, a ball screw 15 and a screw nut 17. The stepper motor 14 is installed on one side of the second guide rail 13. The ball screw 15 is rotatably connected between the two sides of the inner wall of the second guide rail 13, and one end of the ball screw 15 is fixedly connected to the output end of the stepper motor 14. The screw nut 17 is installed on the surface of the ball screw 15. The outer side of the screw nut 17 is fixedly connected with a slider 16. The front and back sides of the slider 16 are provided with limiting protrusions. The front and back sides of the inner wall of the second guide rail 13 are provided with limiting grooves, and the limiting protrusions are slidably connected to the inside of the limiting groove.

[0029] According to the above embodiment, when the staff needs to adjust the horizontal position of the test pen fixing device, they only need to start the stepper motor 14 to drive the slider 16 to move in the horizontal direction.

[0030] In this embodiment, the test pen fixing device includes an electric telescopic rod 18, which is installed at the bottom of the slider 16. The bottom of the output end of the electric telescopic rod 18 is rotatably connected to a fixed sleeve 19, and the interior of the fixed sleeve 19 is fixedly connected to a rubber sleeve 20.

[0031] Through the above embodiment, the staff can plug the multimeter into the instrument mounting base 4, and then insert the two wires of the test pen into the corresponding holes of the multimeter, and then pass the test pen through the through hole 5 and plug it into the inside of the fixed sleeve 19, and keep it stable under the action of the friction force of the rubber sleeve 20 inside the fixed sleeve 19.

[0032] When detecting the power battery voltage, it is only necessary to replace the power battery on the base 1, and then start the electric telescopic rod 18 to make the output end of the electric telescopic rod 18 drop, drive the two test pens to drop and touch the positive and negative poles of the power battery, and the staff can judge whether the power battery is qualified by observing the multimeter, which replaces the traditional manual detection working mode, saves time and effort, and improves work efficiency.

[0033] It should be noted that the device also includes a controller, which is electrically connected to the stepper motor and the electric telescopic rod respectively, and the staff can operate the stepper motor and the electric telescopic rod through the controller.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A power battery testing device, comprising a base (1) and a test pen fixing device, characterized in that: Support columns (2) are installed at the four corners of the top of the base (1), a top plate (3) is fixedly connected to the tops of the four support columns (2), and an instrument mounting seat (4) is installed on the top of the top plate (3); A battery positioning device is provided at the top of the base (1), and the battery positioning device comprises three first guide rails (6), which are respectively provided on both sides and the back of the top of the base (1); a sliding rod (7) is slidably connected inside the first guide rail (6); a side of the sliding rod (7) close to the center of the base (1) passes through the first guide rail (6) and is fixedly connected to a limiting plate (8); a slot (601) is provided at the top of the first guide rail (6); and a positioning mechanism is provided at the top of the first guide rail (6) and at a position corresponding to the slot (601); Second guide rails (13) are installed on both sides of the bottom of the top plate (3), and a lateral moving mechanism is arranged inside the second guide rail (13). The lateral moving mechanism is used to drive the test pen fixing device to move in a horizontal direction.

2. A power battery detection device according to claim 1, characterized in that: The positioning mechanism comprises a positioning block (9) fixedly connected to the top of the base (1); the interior of the positioning block (9) is a hollow structure; the top of the positioning block (9) is slidably connected to a positioning rod (10) in a vertical direction.

3. A power battery detection device according to claim 2, characterized in that: The positioning rod (10) is fixedly connected to a connecting plate at a position inside the positioning block (9), a return spring (12) is installed on the top of the connecting plate, and the other end of the return spring (12) is fixedly connected to the top of the inner wall of the positioning block (9).

4. A power battery detection device according to claim 3, characterized in that: The top of the positioning rod (10) passes through the top of the positioning block (9) and is fixedly connected to a handle (11), and the bottom of the positioning rod (10) passes through the bottom of the positioning block (9) and fits with the top of the sliding rod (7).

5. A power battery detection device according to claim 1, characterized in that: The lateral movement mechanism comprises a stepper motor (14), a ball screw (15) and a screw nut (17); the stepper motor (14) is mounted on one side of the second guide rail (13); the ball screw (15) is rotatably connected between two sides of the inner wall of the second guide rail (13); one end of the ball screw (15) is fixedly connected to the output end of the stepper motor (14); and the screw nut (17) is mounted on the surface of the ball screw (15).

6. A power battery detection device according to claim 5, characterized in that: The outer side of the screw nut (17) is fixedly connected with a slider (16), the front and back sides of the slider (16) are both provided with limiting protrusions, the front and back sides of the inner wall of the second guide rail (13) are both provided with limiting grooves, and the limiting protrusions are slidably connected to the inside of the limiting grooves.

7. A power battery detection device according to claim 1, characterized in that: The test pen fixing device comprises an electric telescopic rod (18), wherein the electric telescopic rod (18) is mounted on the bottom of a slider (16), the bottom of an output end of the electric telescopic rod (18) is rotatably connected to a fixing sleeve (19), and the interior of the fixing sleeve (19) is fixedly connected to a rubber sleeve (20).

8. A power battery detection device according to claim 1, characterized in that: Through holes (5) are provided at the top of the top plate (3) and at positions close to both sides of the instrument mounting seat (4).

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