A power battery vibration performance testing device equipped with a force sensor

Abstract

The present invention relates to the technical field of power batteries, and discloses a power battery vibration performance test device provided with a force sensor, comprising a base plate, a mounting plate, a vibration motor, and a force sensor. The power battery vibration performance test device provided with a force sensor places a power battery to be tested on the mounting plate, then activates an electric push rod to drive a movable plate to move toward a side close to the power battery, and the movable plate drives a first fixed plate to move via a fixed rod. When the fixed plate contacts the power battery, the electric push rod is continuously activated, and the movable plate pulls a connecting rope during movement, so that the connecting rope pulls a second fixed plate toward a side close to the power battery via the connecting rod, and a limit spring is compressed until the second fixed plate clamps and fixes the front and rear sides of the power battery. The operation is simple and the fixing effect is good.

Description

Technical Field

[0001] The present invention relates to the technical field of power batteries, and in particular to a power battery vibration performance testing device provided with a force sensor. Background Art

[0002] Power batteries are the power source for tools, primarily those used in electric vehicles, electric trains, electric bicycles, and golf carts. They are typically valve-sealed lead-acid batteries, open-type tubular lead-acid batteries, and lithium iron phosphate batteries. Power battery vibration performance testing examines the safety performance of the power battery system under vibration loads experienced during normal vehicle operation, based on the perspective of the entire vehicle. Vibration is the reciprocating motion of an object around its equilibrium position.

[0003] Before using a power battery vibration performance test device to perform vibration testing on a power battery, the power battery needs to be fixed. However, the existing power battery vibration performance test device has cumbersome operations for fixing the power battery and is less convenient. In order to solve the above problem, a power battery vibration performance test device provided with a force sensor is proposed. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the present invention provides a power battery vibration performance testing device equipped with a force sensor, which has the advantages of being easy to fix the power battery, and solves the problem that the existing power battery vibration performance testing device is cumbersome and inconvenient to fix the power battery.

[0006] In order to achieve the above-mentioned purpose of facilitating the fixation of the power battery, the present invention provides the following technical solution: a power battery vibration performance testing device provided with a force sensor, comprising a base plate, a mounting plate, a vibration motor and a force sensor, the vibration motor is arranged at the bottom of the mounting plate, a buffer assembly is arranged at the top of the base plate, the mounting plate is arranged at the top of the buffer assembly, a first fixing assembly is arranged at the top of the mounting plate, the force sensor is arranged on the first fixing assembly, a second fixing assembly is arranged at the top of the mounting plate, a connecting assembly is arranged at the top of the mounting plate, and both ends of the connecting assembly are fixedly connected to the first fixing assembly and the second fixing assembly respectively.

[0007] Preferably, the buffer assembly includes an outer rod, which is fixedly mounted on the top of the base plate. The inner part of the outer rod is slidably connected to an inner rod extending to the top thereof. The mounting plate is fixedly mounted on the top of the inner rod. A buffer spring is fixedly mounted between the outer rod and the mounting plate and is fixedly mounted on the outside of the inner rod.

[0008] Preferably, the first fixed assembly includes a mounting block, mounting blocks are fixedly installed on the left and right sides of the mounting plate, electric push rods are fixedly installed on opposite sides of the two mounting blocks, a movable plate is fixedly installed on the output end of the electric push rod, a movable block slidably connected to the mounting plate is fixedly installed on the bottom of the movable plate, and the opposite sides of the two movable plates are slidably connected to fixed rods extending to their opposite sides, a stop block is fixedly installed on one end of the fixed rod close to the mounting block, and a first fixed plate is fixedly installed on the end of the fixed rod away from the stop block, the force sensor is fixedly installed on a side of the first fixed plate close to the movable plate, and a fixing spring sleeved on the outside of the fixed rod is fixedly installed between the first fixed plate and the movable plate.

[0009] Preferably, the second fixing assembly includes a sliding block, which is slidably connected to the top of the mounting plate. A second fixing plate is fixedly mounted on the top of the sliding block, and connecting rods are fixedly mounted on both the left and right sides of the second fixing plate.

[0010] Preferably, the connecting assembly includes a first rotating shaft, the first rotating shaft is rotatably connected to the top of the mounting plate, the first guide wheel is fixedly installed on the top of the first rotating shaft, the second rotating shaft is rotatably connected to the top of the mounting plate, the second guide wheel is fixedly installed on the top of the second rotating shaft, a limiting plate is fixedly installed on the top of the mounting plate, and the side of the connecting rod close to the limiting plate is fixedly connected with a connecting rope that passes through the limiting plate and passes around the first guide wheel and the second guide wheel in turn, the end of the connecting rope away from the connecting rod is fixedly connected to the movable plate, and a limiting spring is fixedly installed between the limiting plate and the connecting rod and is sleeved on the outside of the connecting rope.

[0011] Preferably, the moving block and the sliding block are both T-shaped.

[0012] Preferably, a moving groove adapted to the moving block is provided on the top of the mounting plate, and a sliding groove adapted to the sliding block is provided on the top of the mounting plate.

[0013] Preferably, a through hole adapted to the connecting rope is opened inside the limiting plate, and the inner side wall of the through hole is designed to be smooth.

[0014] Preferably, rubber pads are fixedly mounted on opposite sides of the two first fixing plates and opposite sides of the two second fixing plates.

[0015] Compared with the prior art, the present invention provides a power battery vibration performance testing device equipped with a force sensor, which has the following beneficial effects:

[0016] The power battery vibration performance test device provided with a force sensor places the power battery to be tested on a mounting plate, then starts an electric push rod to drive the movable plate to move toward the side close to the power battery, and the movable plate drives the first fixed plate to move via the fixed rod. When the fixed plate contacts the power battery, the electric push rod is continuously started, and the movable plate pushes the fixed spring, which is compressed, and the first fixed plate clamps and fixes the left and right sides of the power battery. At the same time, the movable plate pulls the connecting rope during movement, so that the connecting rope pulls the second fixed plate to move toward the side close to the power battery via the connecting rod, and the limit spring is compressed until the second fixed plate clamps and fixes the front and rear sides of the power battery. The operation is simple and the fixing effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a power battery vibration performance testing device provided with a force sensor proposed by the present invention;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a buffer assembly of a power battery vibration performance testing device provided with a force sensor proposed by the present invention;

[0019] Figure 3 This is a partial three-dimensional structural diagram of a power battery vibration performance testing device provided with a force sensor proposed by the present invention;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the first fixing component of a power battery vibration performance testing device provided with a force sensor proposed by the present invention;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the second fixing component of a power battery vibration performance testing device provided with a force sensor proposed by the present invention.

[0022] In the figure: 1 base plate, 2 base plate, 3 vibration motor, 4 buffer assembly, 41 outer rod, 42 inner rod, 43 buffer spring, 5 first fixed assembly, 51 mounting block, 52 electric push rod, 53 moving plate, 54 moving block, 55 fixed rod, 56 block, 57 first fixed plate, 58 fixed spring, 6 first fixed assembly, 61 sliding block, 62 second fixed plate, 63 connecting rod, 7 connecting assembly, 71 first rotating shaft, 72 first guide wheel, 73 second rotating shaft, 74 second guide wheel, 75 limit plate, 76 connecting rope, 77 limit spring, 8 force sensor. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0024] See also Figure 1-5 A power battery vibration performance testing device provided with a force sensor includes a base plate 1, a mounting plate 2, a vibration motor 3 and a force sensor 8. The vibration motor 3 is fixedly mounted on the bottom of the mounting plate 2. A buffer assembly 4 is fixedly mounted on the top of the base plate 1. The buffer assembly 4 includes an outer rod 41. The outer rod 41 is fixedly mounted on the top of the base plate 1. The inner rod 42 extending to the top of the outer rod 41 is slidably connected. The mounting plate 2 is fixedly mounted on the top of the inner rod 42. A buffer spring 43 fixedly mounted on the outside of the inner rod 42 is fixedly mounted between the outer rod 41 and the mounting plate 2.

[0025] The mounting plate 2 is fixedly mounted on the top of the buffer assembly 4, and a first fixing assembly 5 is fixedly mounted on the top of the mounting plate 2. The force sensor 8 is fixedly mounted on the first fixing assembly 5. The first fixing assembly 5 includes a mounting block 51. The left and right sides of the mounting plate 2 are fixedly mounted with mounting blocks 51. Electric push rods 52 are fixedly mounted on the opposite sides of the two mounting blocks 51. A moving plate 53 is fixedly mounted on the output end of the electric push rod 52. A moving block 54 slidably connected to the mounting plate 2 is fixedly mounted on the bottom of the moving plate 53. A moving groove adapted to the moving block 54 is provided on the top of the mounting plate 2. The opposite sides of the two moving plates 53 are slidably connected with a fixed rod 55 extending to their opposite sides. A stopper 56 is fixedly mounted on one end of the fixed rod 55 close to the mounting block 51, and a first fixed plate 57 is fixedly mounted on the end of the fixed rod 55 away from the stopper 56. The force sensor 8 is fixedly mounted on the side of the first fixed plate 57 close to the moving plate 53. A fixing spring 58 sleeved on the outside of the fixed rod 55 is fixedly mounted between the first fixed plate 57 and the moving plate 53.

[0026] The top of the mounting plate 2 is slidably connected to a second fixed assembly 6, which includes a sliding block 61. The sliding block 61 is slidably connected to the top of the mounting plate 2. The moving block 54 and the sliding block 61 are both T-shaped. A sliding groove adapted to the sliding block 61 is provided on the top of the mounting plate 2. A second fixed plate 62 is fixedly installed on the top of the sliding block 61. Rubber pads are fixedly installed on the opposite sides of the two first fixed plates 57 and the opposite sides of the two second fixed plates 62 to increase the friction between the first fixed plate 57 and the second fixed plate 62 and the power battery. Connecting rods 63 are fixedly installed on the left and right sides of the second fixed plate 62.

[0027] The top of the mounting plate 2 is rotatably connected to a connecting assembly 7, and both ends of the connecting assembly 7 are fixedly connected to the first fixing assembly 5 and the second fixing assembly 6 respectively. The connecting assembly 7 includes a first rotating shaft 71, the first rotating shaft 71 is rotatably connected to the top of the mounting plate 2, the top of the first rotating shaft 71 is fixedly installed with a first guide wheel 72, the top of the mounting plate 2 is rotatably connected to the second rotating shaft 73, and the top of the second rotating shaft 73 is fixedly installed with a second guide wheel 74. A limiting plate 75 is fixedly installed on the top of the mounting plate 2. The side of the connecting rod 63 near the limiting plate 75 is fixedly connected to a connecting rope 76 that passes through the limiting plate 75 and passes around the first guide wheel 72 and the second guide wheel 74 in turn. The interior of the limiting plate 75 is provided with a through hole adapted to the connecting rope 76. The inner side wall of the through hole is smoothly designed. The end of the connecting rope 76 away from the connecting rod 63 is fixedly connected to the movable plate 53, and a limiting spring 77 is fixedly installed between the limiting plate 75 and the connecting rod 63 and is sleeved on the outside of the connecting rope 76.

[0028] To sum up, the power battery vibration performance testing device provided with a force sensor places the power battery to be tested on the mounting plate 2, and then starts the electric push rod 52 to drive the movable plate 53 to move toward the side close to the power battery. The movable plate 53 drives the first fixed plate 57 to move through the fixed rod 55. When the fixed plate 57 contacts the power battery, the electric push rod 52 is continued to be started, and the movable plate 53 pushes the fixed spring 58. The fixed spring 58 is compressed, and the first fixed plate 57 clamps the left and right sides of the electric battery. At the same time, the movable plate 53 pulls the connecting rope 76 during the movement, so that the connecting rope 76 pulls the second fixed plate 62 to move toward the side close to the power battery through the connecting rod 63, and the limit spring 77 is compressed until the second fixed plate 62 clamps the front and rear sides of the electric battery. The operation is simple and the fixing effect is good, which solves the problem that the existing power battery vibration performance testing device is cumbersome to fix the power battery and has poor convenience.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0030] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A power battery vibration performance testing device provided with a force sensor, comprising a base plate (1), a mounting plate (2), a vibration motor (3) and a force sensor (8), wherein the vibration motor (3) is provided at the bottom of the mounting plate (2), and is characterized in that: A buffer assembly (4) is provided on the top of the base plate (1), the mounting plate (2) is provided on the top of the buffer assembly (4), a first fixing assembly (5) is provided on the top of the mounting plate (2), the force sensor (8) is provided on the first fixing assembly (5), a second fixing assembly (6) is provided on the top of the mounting plate (2), a connecting assembly (7) is provided on the top of the mounting plate (2), and two ends of the connecting assembly (7) are fixedly connected to the first fixing assembly (5) and the second fixing assembly (6), respectively; The first fixing assembly (5) comprises a mounting block (51), the left and right sides of the mounting plate (2) are both fixedly mounted with mounting blocks (51), the opposite sides of the two mounting blocks (51) are both fixedly mounted with electric push rods (52), the output end of the electric push rod (52) is fixedly mounted with a moving plate (53), the bottom of the moving plate (53) is fixedly mounted with a moving block (54) slidably connected to the mounting plate (2), the opposite sides of the two moving plates (53) are both slidably connected with a fixed rod (55) extending to the opposite side thereof, the end of the fixed rod (55) close to the mounting block (51) is fixedly mounted with a stopper (56), the end of the fixed rod (55) away from the stopper (56) is fixedly mounted with a first fixed plate (57), the force sensor (8) is fixedly mounted on a side of the first fixed plate (57) close to the moving plate (53), and a fixing spring (58) sleeved on the outside of the fixed rod (55) is fixedly mounted between the first fixed plate (57) and the moving plate (53); The second fixing assembly (6) includes a sliding block (61), the sliding block (61) is slidably connected to the top of the mounting plate (2), a second fixing plate (62) is fixedly mounted on the top of the sliding block (61), and connecting rods (63) are fixedly mounted on both the left and right sides of the second fixing plate (62); The connecting assembly (7) includes a first rotating shaft (71), the first rotating shaft (71) is rotatably connected to the top of the mounting plate (2), a first guide wheel (72) is fixedly installed on the top of the first rotating shaft (71), a second rotating shaft (73) is rotatably connected to the top of the mounting plate (2), a second guide wheel (74) is fixedly installed on the top of the second rotating shaft (73), a limiting plate (75) is fixedly installed on the top of the mounting plate (2), a connecting rope (76) is fixedly connected to the side of the connecting rod (63) close to the limiting plate (75), and passes through the limiting plate (75) and passes around the first guide wheel (72) and the second guide wheel (74) in sequence, the end of the connecting rope (76) away from the connecting rod (63) is fixedly connected to the movable plate (53), and a limiting spring (77) is fixedly installed between the limiting plate (75) and the connecting rod (63) and is sleeved on the outside of the connecting rope (76).

2. A power battery vibration performance testing device equipped with a force sensor according to claim 1, characterized in that: The buffer assembly (4) comprises an outer rod (41), the outer rod (41) being fixedly mounted on the top of the base plate (1), the inner rod (42) extending to the top of the outer rod (41) being slidably connected thereto, the mounting plate (2) being fixedly mounted on the top of the inner rod (42), and a buffer spring (43) being fixedly mounted on the outside of the inner rod (42) being fixedly mounted between the outer rod (41) and the mounting plate (2).

3. A power battery vibration performance testing device equipped with a force sensor according to claim 1, characterized in that: The moving block (54) and the sliding block (61) are both T-shaped.

4. A power battery vibration performance testing device equipped with a force sensor according to claim 1, characterized in that: A moving groove adapted to the moving block (54) is provided on the top of the mounting plate (2), and a sliding groove adapted to the sliding block (61) is provided on the top of the mounting plate (2).

5. The power battery vibration performance testing device provided with a force sensor according to claim 1, characterized in that: A through hole adapted to the connecting rope (76) is provided inside the limiting plate (75), and the inner side wall of the through hole is designed to be smooth.

6. The power battery vibration performance testing device provided with a force sensor according to claim 1, characterized in that: Rubber pads are fixedly mounted on opposite sides of the two first fixing plates (57) and opposite sides of the two second fixing plates (62).

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