An electric vehicle battery charging and discharging test device

Abstract

The present invention discloses an electric vehicle battery charge and discharge test device, including a bracket, a test slot, a placement rack, a mounting plate, an extrusion plate, a first adjustment threaded rod and a cushion block, wherein the bracket is provided with a plurality of test slots, a junction box is centrally mounted inside the bracket, a door leaf is provided on the surface of the test slot, a dust screen is centrally mounted on the surface of the door leaf, a placement rack is mounted on the bottom end of the inner cavity of the test slot, a groove is centrally provided at the bottom of the inner cavity of the test slot, a plurality of telescopic rods are mounted inside the groove, a second spring is sleeved on the surface of the telescopic rod, and the top of the telescopic rod is fixedly connected to the bottom of the placement rack. The present invention can conveniently perform charge and discharge tests on a plurality of electric vehicle batteries at the same time through a plurality of test slots inside the bracket, and during the test process, the battery can be conveniently placed through the placement rack, the second spring and the telescopic rod, and the battery can be squeezed through the mounting plate, the rotating sleeve, the second adjustment threaded rod, the rotating block and the extrusion plate to ensure stable battery testing.

Description

Technical Field

[0001] The invention relates to a testing device, in particular to a charging and discharging testing device for an electric vehicle battery. Background Art

[0002] Electric vehicles, also known as electric-driven vehicles, are divided into AC electric vehicles and DC electric vehicles. Electric vehicles are usually referred to as vehicles that use batteries as energy sources and convert electrical energy into mechanical energy through controllers, motors and other components to control the current size to change the speed of the vehicle.

[0003] When performing a charge and discharge test on an electric vehicle battery, a general test device is inefficient during the test, and the test process takes a certain amount of time, so the battery needs certain protection to avoid being affected during the test. Therefore, a charge and discharge test device for an electric vehicle battery is proposed to address the above problems. Summary of the invention

[0004] A battery charge and discharge test device for an electric vehicle comprises a bracket, a test slot, a placement rack, a mounting plate, an extrusion plate, a first adjustment threaded rod and a cushion block, wherein a plurality of test slots are arranged inside the bracket, a junction box is centrally installed inside the bracket, a door leaf is arranged on the surface of the test slot, a dustproof net is centrally installed on the surface of the door leaf, a placement rack is installed at the bottom end of the inner cavity of the test slot, a groove is arranged in the center of the bottom of the inner cavity of the test slot, a plurality of telescopic rods are installed inside the groove, a second spring is sleeved on the surface of the telescopic rod, the top of the telescopic rod is fixedly connected to the bottom of the placement rack, a mounting plate is arranged on the top end of the inner cavity of the test slot, and both sides of the top of the mounting plate are connected by connecting rods At the top of the inner cavity of the test slot, a second adjusting threaded rod is provided in the center of the top of the mounting plate, the bottom end of the second adjusting threaded rod passes through the mounting plate and is fixed to a rotating block, a rotating sleeve is provided on the surface of the rotating block, and the bottom of the rotating sleeve is fixed to an extrusion plate, two fans are installed on one side of the test slot, and a discharge test connection end and a charging test connection end are respectively installed on both sides of the inner cavity of the test slot, both sides of the bracket are fixed to a protective frame, the inner side of the protective frame is connected to the side wall of the bracket through a first spring, the bottom of the bracket is fixed to the center of the top of the bottom plate, the top of both sides of the bottom plate are provided with a first adjusting threaded rod, and the bottom end of the first adjusting threaded rod passes through the bottom plate fixed pad.

[0005] Furthermore, the surface of the test slot is connected to a door leaf via a hinge, and a door buckle is provided on one side of the door leaf.

[0006] Furthermore, four casters are installed at the bottom of the base plate, and the first adjusting threaded rod is connected by threads.

[0007] Furthermore, the telescopic rod is composed of two tubes with different diameters which are sleeved together.

[0008] Furthermore, one side of the fan passes through the test slot and the bracket, and one side of the fan is flush with one side of the bracket.

[0009] Furthermore, one side of the charging test connection end is electrically connected to a junction box, and an inverter is installed at the center of the top of the bracket.

[0010] Furthermore, the bottom width of the placement rack is greater than the bottom groove width of the test slot.

[0011] Furthermore, the width of the top of the cushion block is greater than the diameter of the first adjusting threaded rod.

[0012] The beneficial effects of the present invention are as follows: the present invention provides an electric vehicle battery charge and discharge test device capable of protecting the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 creative labor.

[0014] Figure 1 It is a schematic diagram of the overall front view structure of an embodiment of the present invention;

[0015] Figure 2 A schematic diagram of the front view structure of a test slot according to an embodiment of the present invention;

[0016] Figure 3 The figure is a schematic diagram of the side structure of a test slot according to an embodiment of the present invention.

[0017] In the figure: 1. first spring, 2. dust net, 3. bracket, 4. inverter, 5. junction box, 6. test slot, 7. door leaf, 8. protective frame, 9. first adjusting threaded rod, 10. bottom plate, 11. cushion block, 12. discharge test connection terminal, 13. mounting plate, 14. rotating sleeve, 15. second adjusting threaded rod, 16. rotating block, 17. extrusion plate, 18. charging test connection terminal, 19. second spring, 20. telescopic rod, 21. placement rack, 22. fan. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. 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 creative work should fall within the scope of protection of the present invention.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the present invention described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] In the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction.

[0021] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present invention can be understood according to specific circumstances.

[0022] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] See also Figure 1-3 As shown, an electric vehicle battery charge and discharge test device includes a bracket 3, a test slot 6, a placement rack 21, a mounting plate 13, an extrusion plate 17, a first adjustment threaded rod 9 and a cushion block 11, wherein a plurality of test slots 6 are arranged inside the bracket 3, a junction box 5 is centrally installed inside the bracket 3, a door leaf 7 is arranged on the surface of the test slot 6, a dustproof net 2 is centrally installed on the surface of the door leaf 7, a placement rack 21 is installed at the bottom end of the inner cavity of the test slot 6, a groove is arranged in the center of the bottom of the inner cavity of the test slot 6, a plurality of telescopic rods 20 are installed inside the groove, a second spring 19 is sleeved on the surface of the telescopic rod 20, the top of the telescopic rod 20 is fixedly connected to the bottom of the placement rack 21, a mounting plate 13 is arranged on the top of the inner cavity of the test slot 6, and both sides of the top of the mounting plate 13 are connected to the test slot 6 by connecting rods At the top of the inner cavity of the test slot 6, a second adjusting threaded rod 15 is provided in the center of the top of the mounting plate 13, and the bottom end of the second adjusting threaded rod 15 passes through the mounting plate 13 and is fixedly connected to a rotating block 16. A rotating sleeve 14 is sleeved on the surface of the rotating block 16, and the bottom of the rotating sleeve 14 is fixedly connected to an extrusion plate 17. Two fans 22 are installed on one side of the test slot 6, and a discharge test connection terminal 12 and a charging test connection terminal 18 are respectively installed on both sides of the inner cavity of the test slot 6. Both sides of the bracket 3 are fixedly connected to a protective frame 8, and the inner side of the protective frame 8 is connected to the side wall of the bracket 3 through a first spring 1. The bottom of the bracket 3 is fixedly connected to the center of the top of the bottom plate 10, and the top of both sides of the bottom plate 10 is provided with a first adjusting threaded rod 9, and the bottom end of the first adjusting threaded rod 9 passes through the bottom plate 10 and is fixedly connected to a pad 11.

[0025] The surface of the test slot 6 is connected to the door leaf 7 by a hinge, and a door buckle is provided on one side of the door leaf 7; four casters are installed at the bottom of the base plate 10, and the first adjusting threaded rod 9 is connected by threads; the telescopic rod 20 is composed of two tubes with different diameters that are socketed with each other; one side of the fan 22 passes through the test slot 6 and the bracket 3, and one side of the fan 22 is flush with one side of the bracket 3; one side of the charging test connection terminal 18 is electrically connected to the junction box 5, and an inverter 4 is installed in the center of the top of the bracket 3. During the charging and discharging test of the car battery, the inverter 4 can invert the electric energy to the power grid or take electricity from the power grid according to actual needs to achieve various parameters of the battery test; the bottom width of the placement rack 21 is greater than the bottom groove width of the test slot 6; the top width of the pad 11 is greater than the diameter of the first adjusting threaded rod 9.

[0026] In addition, the same inverter 4 in the electric vehicle charging and discharging test device simultaneously supplies multiple LLC+dcdc, and the device has communication ports such as dcdc+CAN 485 to improve the power adaptability of the device and the compatibility of battery types.

[0027] When the present invention is in use, the electrical components appearing in the present invention are all externally connected to the power supply and the control switch. The bracket 3 is moved to the specified placement position through the casters at the bottom, and then the pad 11 can be pushed to contact the ground by twisting the first adjusting threaded rod 9, which can play a stabilizing effect. The door leaf 7 is opened to put the electric vehicle battery to be tested into the test slot 6, and the bottom of the battery is placed on the inner side of the placement rack 21. The second spring 19 and the telescopic rod 20 can play a buffering effect to avoid damage to the battery during the placement process. Then, the second adjusting threaded rod 15 is twisted to push the extrusion plate 17 downward through the rotating sleeve 14 and the rotating block 16 to facilitate squeezing the top of the battery. Then, the charging and discharging test can be conveniently performed through the charging test connection terminal 18 and the discharging test connection terminal 12. During the test, the door leaf 7 is closed to avoid affecting the test process, and the fan 22 can dissipate heat during the test. The dustproof net 2 can prevent dust from entering the test slot 6 and affecting the battery, and the first spring 1 and the protective frame 8 can protect the buffering effect.

[0028] The present invention is beneficial in that:

[0029] 1. Through the several test slots inside the bracket, it is convenient to perform charge and discharge tests on multiple electric vehicle batteries at the same time. During the test, the battery can be conveniently placed through the placement rack, the second spring and the telescopic rod, and the battery can be squeezed through the mounting plate, the rotating sleeve, the second adjusting threaded rod, the rotating block and the squeezing plate to ensure the stability of the battery and the stability during the test;

[0030] 2. The dustproof net and the fan can protect the battery during the charge and discharge test, which can not only dissipate heat but also prevent dust. The first spring and the protective frame can protect the multiple test slots inside the bracket. The pad and the first adjustment threaded rod can achieve a stabilizing effect during the test.

[0031] The fan 22 is a general-purpose fan and its associated supporting power supply and circuits are also of conventional design.

[0032] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0033] The above description is only a preferred 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 replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric vehicle battery charge and discharge test device, characterized in that: The invention comprises a bracket (3), a test slot (6), a placement rack (21), a mounting plate (13), an extrusion plate (17), a first adjustment threaded rod (9) and a cushion block (11); a plurality of test slots (6) are arranged inside the bracket (3); a junction box (5) is installed in the center of the bracket (3); a door leaf (7) is arranged on the surface of the test slot (6); a dust screen (2) is installed in the center of the surface of the door leaf (7); a placement rack (21) is installed at the bottom of the inner cavity of the test slot (6); a groove is arranged in the center of the bottom of the inner cavity of the test slot (6); a plurality of telescopic rods (20) are installed in the groove; a second spring (19) is sleeved on the surface of the telescopic rod (20); the top of the telescopic rod (20) is fixedly connected to the bottom of the placement rack (21); a mounting plate (13) is arranged at the top of the inner cavity of the test slot (6); both sides of the top of the mounting plate (13) are connected to the top of the inner cavity of the test slot (6) through connecting rods; A second adjusting threaded rod (15) is provided at the center of the top of the mounting plate (13), the bottom end of the second adjusting threaded rod (15) passes through the mounting plate (13) and is fixedly connected to a rotating block (16), the surface of the rotating block (16) is covered with a rotating sleeve (14), the bottom of the rotating sleeve (14) is fixedly connected to an extrusion plate (17), two fans (22) are installed on one side of the test slot (6), a discharge test connection terminal (12) and a charge test connection terminal (18) are respectively installed on both sides of the inner cavity of the test slot (6), both sides of the bracket (3) are fixedly connected to a protective frame (8), the inner side of the protective frame (8) is connected to the side wall of the bracket (3) through a first spring (1), the bottom of the bracket (3) is fixedly connected to the center of the top of the bottom plate (10), the top of both sides of the bottom plate (10) are provided with a first adjusting threaded rod (9), the bottom end of the first adjusting threaded rod (9) passes through the bottom plate (10) and is fixedly connected to a cushion block (11).

2. The electric vehicle battery charge and discharge test device according to claim 1, characterized in that: The surface of the test slot (6) is connected to a door leaf (7) via a hinge, and a door buckle is provided on one side of the door leaf (7).

3. The electric vehicle battery charge and discharge test device according to claim 1, characterized in that: Four casters are installed at the bottom of the base plate (10), and the first adjusting threaded rod (9) is connected via threads.

4. The electric vehicle battery charge and discharge test device according to claim 1, characterized in that: The telescopic rod (20) is composed of two tubes with different diameters which are sleeved together.

5. The electric vehicle battery charge and discharge test device according to claim 1, characterized in that: One side of the fan (22) passes through the test slot (6) and the bracket (3), and one side of the fan (22) is flush with one side of the bracket (3).

6. The electric vehicle battery charge and discharge test device according to claim 1, characterized in that: The bottom width of the placement rack (21) is greater than the bottom groove width of the test slot (6).

7. The electric vehicle battery charge and discharge test device according to claim 1, characterized in that: The width of the top of the cushion block (11) is greater than the diameter of the first adjusting threaded rod (9).

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