Sodium ion battery charging and discharging testing device

Abstract

The utility model relates to the technical field of sodium ion battery production, and particularly discloses a sodium ion battery charging and discharging test device, which comprises a test board, storage boxes are symmetrically mounted at the top of the test board, a test machine is arranged on one side of each storage box, a plurality of storage grooves are formed in each storage box, and a plurality of charging and discharging devices are arranged in the storage grooves. A rotating shaft is rotationally connected to the interior of the storage groove, a winding roller fixedly sleeves the exterior of the rotating shaft, and a charging wire is wound around the exterior of the winding roller; according to the utility model, a plurality of charging wires with different interfaces can be separately stored, the charging wires can be automatically fixed by arranging the limiting mechanism when the charging wires are drawn out, and the charging wires can be automatically retracted into the storage groove by lifting the handle by arranging the rotating shaft and the torsion spring after charging is completed, so that the charging wires are protected, and the charging efficiency is improved. And meanwhile, the use of workers is facilitated, interlacing of a plurality of charging piles is avoided, and the tidiness of the test board is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of sodium ion battery production, and in particular relates to a sodium ion battery charge and discharge test device. Background Art

[0002] With the continuous development of energy storage systems, the demand for lithium has greatly increased, but the limited reserves of lithium resources have seriously restricted the application of lithium-ion batteries in large-scale energy storage. Compared with lithium-ion batteries, the abundant sodium resources make sodium-ion batteries considered one of the best choices for the next generation of large-scale energy storage technology; there is a trend of gradually replacing lithium batteries in the field of energy storage and small power; in the production and research and development of sodium-ion batteries, for trial-produced products, charge and discharge tests will be carried out to select suitable products and models, providing key data for battery research and development.

[0003] At present, when testing the charge and discharge of sodium ion batteries, due to the different specifications of sodium ions, it is usually necessary to configure charging interfaces of various specifications, which requires multiple charging cables. The charge and discharge test devices in the prior art cannot organize and store multiple charging cables, which will cause multiple charging cables to be intertwined and easily cause a messy phenomenon, which will not only increase the trouble during use, but may also cause the charging cables to be damaged or broken. Utility Model Content

[0004] The purpose of the utility model is to provide a sodium ion battery charge and discharge test device to solve the problem that the equipment in the prior art cannot organize and store multiple charging cables, which will cause multiple charging cables to be intertwined and easily cause a messy phenomenon, which will not only increase the trouble during use, but may also cause the charging cables to be damaged or broken.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sodium ion battery charge and discharge test device comprises a test bench, a storage box is symmetrically installed on the top of the test bench, a test machine is arranged on one side of the storage box, a plurality of storage slots are opened inside the storage box, a rotating shaft is rotatably connected inside the storage slot, a winding roller is arranged on the external fixed sleeve of the rotating shaft, a charging cable is wound around the outside of the winding roller, an end of the charging cable passes through the storage box and is fixedly connected to an interface, and a limiting mechanism for fixing the charging cable is arranged on the front side of the storage box.

[0007] Preferably, the plurality of interfaces are arranged in different specifications, and a through hole for the charging cable to pass through is opened on the front side of the storage box.

[0008] Preferably, both ends of the rotating shaft are sleeved with torsion springs, one end of the torsion spring is fixedly connected to the end of the winding roller, and the other end of the torsion spring is fixedly connected to the inner wall of the storage groove.

[0009] Preferably, the limiting mechanism includes a fixed plate, the interior of the fixed plate is slidably connected to a sliding rod, the lower end of the sliding rod is fixedly connected to an upper limiting plate, the front side of the storage box is fixedly connected to a lower limiting plate, the lower limiting plate is arranged on the lower side of the perforation, and the upper limiting plate is arranged on the upper side of the perforation.

[0010] Preferably, a connecting spring is sleeved on the outside of the sliding rod, the upper end of the connecting spring is fixedly connected to the fixing plate, and the lower end of the connecting spring is fixedly connected to the upper limit plate.

[0011] Preferably, a handle is fixedly connected to the upper end of the sliding rod.

[0012] Preferably, a power supply component for supplying power to the charging cable is fixedly installed inside the test bench.

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

[0014] The utility model can separate and store multiple charging cables with different interfaces by providing multiple storage grooves, and can automatically fix the charging cables when they are pulled out by providing a limiting mechanism, and can automatically retract the charging cables into the storage groove by providing a rotating shaft and a torsion spring after charging is completed by pulling the handle, which not only protects the charging cables, but also makes it convenient for staff to use, avoids the interweaving of multiple charging cables, and ensures the cleanliness of the test bench. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the external structure of the storage box of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the storage box of the utility model;

[0018] Figure 4 for Figure 3 An enlarged view of point A is shown.

[0019] In the figure:

[0020] 1. Test bench; 2. Storage box; 3. Test machine; 4. Storage slot; 5. Rotating shaft; 6. Torsion spring; 7. Charging cable; 8. Limiting mechanism; 81. Fixing plate; 82. Sliding rod; 83. Connecting spring; 84. Handle; 85. Upper limit plate; 86. Lower limit plate; 9. Perforation; 10. Interface; 11. Power supply component; 12. Winding roller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 4 As shown, a sodium ion battery charge and discharge test device comprises a test bench 1, a storage box 2 is symmetrically installed on the top of the test bench 1, a test machine 3 is arranged on one side of the storage box 2, and the test machine 3 is used to display the test results. A plurality of storage slots 4 are provided inside the storage box 2, and a rotating shaft 5 is rotatably connected inside the storage slot 4. A winding roller 12 is fixedly sleeved outside the rotating shaft 5, and a charging cable 7 is wound around the outside of the winding roller 12. The plurality of storage slots 4 can separate and store a plurality of charging cables 7 to avoid the plurality of charging cables 7 being intertwined, thereby ensuring the cleanliness of the test bench 1, facilitating the use of the staff, and protecting the charging cable 7. The end of the charging cable 7 passes through the storage box 2 and is fixedly connected with an interface 10, and a limiting mechanism 8 for fixing the charging cable 7 is arranged on the front side of the storage box 2. When in use, the interface 10 is directly pulled to drive the charging cable 7 to be pulled out of the storage slot 4, and the interface 10 can be automatically fixed by the limiting mechanism 8, so that the interface 10 can be conveniently and firmly inserted into the sodium ion battery for charging test.

[0023] Furthermore, a plurality of interfaces 10 are provided in different specifications, and a through hole 9 for the charging cable 7 to pass through is provided on the front side of the storage box 2. Interfaces 10 of different specifications can meet the testing requirements of sodium ion batteries of different specifications, thereby expanding the application scope of the device.

[0024] Furthermore, both ends of the rotating shaft 5 are sleeved with a torsion spring 6, one end of the torsion spring 6 is fixedly connected to the end of the winding roller 12, and the other end of the torsion spring 6 is fixedly connected to the inner wall of the storage slot 4. When the interface 10 is pulled to drive the charging cable 7 to be pulled out of the storage slot 4, the rotating shaft 5 will rotate, and the torsion spring 6 will be deformed when the rotating shaft 5 rotates. When the limiting effect of the limiting mechanism 8 on the charging cable 7 disappears, the rotating shaft 5 can be reset by the torque of the torsion spring 6, thereby driving the charging cable 7 to be wound and retracted, and the charging cable 7 can be automatically stored in the storage slot 4 without the need for manual sorting by the staff, which is convenient for the staff to use.

[0025] Specifically, the limiting mechanism 8 includes a fixed plate 81, the interior of the fixed plate 81 is slidably connected to a slide rod 82, the lower end of the slide rod 82 is fixedly connected to an upper limit plate 85, the front side of the storage box 2 is fixedly connected to a lower limit plate 86, the lower limit plate 86 is arranged on the lower side of the perforation 9, the upper limit plate 85 is arranged on the upper side of the perforation 9, the upper limit plate 85 and the lower limit plate 86 are both arranged as arc-shaped plates, and the upper limit plate 85 and the lower limit plate 86 are evenly provided with anti-slip pads on the side close to the charging cable 7, the charging cable 7 passes between the upper limit plate 85 and the lower limit plate 86, and the upper limit plate 85 and the lower limit plate 86 clamp the charging cable 7 to fix the charging cable 7.

[0026] More specifically, a connecting spring 83 is provided on the outer sleeve of the sliding rod 82, the upper end of the connecting spring 83 is fixedly connected to the fixing plate 81, and the lower end of the connecting spring 83 is fixedly connected to the upper limit plate 85. The upper limit plate 85 can squeeze the charging cable 7 downward by the elastic force of the connecting spring 83.

[0027] More specifically, a handle 84 is fixedly connected to the upper end of the slide bar 82. Pulling the handle 84 can drive the slide bar 82 and the upper limit plate 85 to move upward, thereby releasing the fixing effect of the charging cable 7. The charging cable 7 can be automatically retracted by the torque of the torsion spring 6.

[0028] Reference Figure 1 As shown, a power supply component 11 for supplying power to the charging cable 7 is fixedly installed inside the test bench 1. The power supply component 11 supplies power to the charging cable 7. The interface 10 is plugged into the sodium ion battery to perform a charging test on the sodium ion battery.

[0029] Working principle: When in use, the staff places the sodium ion battery to be tested on the test bench 1, selects the corresponding interface 10 according to the specifications of the sodium ion battery, pulls the interface 10 to drive the charging cable 7 to be pulled out from the storage slot 4, the shaft 5 will rotate, the shaft 5 rotates and the torsion spring 6 is deformed, and the upper limit plate 85 can squeeze the charging cable 7 downward through the elastic force of the connecting spring 83. The upper limit plate 85 and the lower limit plate 86 clamp the charging cable 7 to fix the charging cable 7. After charging is completed, the lifting handle 84 can drive the slide bar 82 and the upper limit plate 85 to move upward, thereby releasing the fixing effect of the charging cable 7. The shaft 5 can be rotated and reset by the torsion of the torsion spring 6, thereby driving the charging cable 7 to be wound and retracted, and the charging cable 7 is automatically stored in the storage slot 4, without the need for manual sorting by the staff, which is convenient for the staff to use. Multiple storage slots 4 can separate and store multiple charging cables 7 to avoid multiple charging cables 7 being intertwined, ensuring the cleanliness of the test bench 1, facilitating the use of the staff, and also protecting the charging cable 7.

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

Claims

1. A sodium ion battery charge and discharge test device, comprising a test bench (1), characterized in that: A storage box (2) is symmetrically installed on the top of the test bench (1), a testing machine (3) is arranged on one side of the storage box (2), a plurality of storage slots (4) are provided inside the storage box (2), a rotating shaft (5) is rotatably connected inside the storage slot (4), a winding roller (12) is provided on the external fixed sleeve of the rotating shaft (5), a charging cable (7) is wound around the outside of the winding roller (12), an end of the charging cable (7) passes through the storage box (2) and is fixedly connected to an interface (10), and a limiting mechanism (8) for fixing the charging cable (7) is provided on the front side of the storage box (2).

2. A sodium ion battery charge and discharge test device according to claim 1, characterized in that: The plurality of interfaces (10) are arranged in different specifications, and a through hole (9) for the charging cable (7) to pass through is provided on the front side of the storage box (2).

3. A sodium ion battery charge and discharge test device according to claim 1, characterized in that: Both ends of the rotating shaft (5) are sleeved with torsion springs (6), one end of the torsion spring (6) is fixedly connected to the end of the winding roller (12), and the other end of the torsion spring (6) is fixedly connected to the inner wall of the storage groove (4).

4. A sodium ion battery charge and discharge test device according to claim 1, characterized in that: The limiting mechanism (8) comprises a fixed plate (81), the interior of the fixed plate (81) is slidably connected to a slide rod (82), the lower end of the slide rod (82) is fixedly connected to an upper limit plate (85), the front side of the storage box (2) is fixedly connected to a lower limit plate (86), the lower limit plate (86) is arranged on the lower side of the perforation (9), and the upper limit plate (85) is arranged on the upper side of the perforation (9).

5. A sodium ion battery charge and discharge test device according to claim 4, characterized in that: The outer portion of the slide rod (82) is sleeved with a connecting spring (83), the upper end of the connecting spring (83) is fixedly connected to the fixing plate (81), and the lower end of the connecting spring (83) is fixedly connected to the upper limit plate (85).

6. A sodium ion battery charge and discharge test device according to claim 5, characterized in that: The upper end of the slide rod (82) is fixedly connected to a handle (84).

7. A sodium ion battery charge and discharge test device according to claim 1, characterized in that: A power supply component (11) for supplying power to the charging cable (7) is fixedly installed inside the test bench (1).

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