Large-weight battery module structure convenient to disassemble, assemble and maintain

Abstract

The utility model relates to the technical field of lithium battery equipment, in particular to a large-weight battery module structure convenient to disassemble, assemble and maintain, which comprises a counterweight box body, and a lithium battery space and a counterweight space which are arranged up and down are arranged in the counterweight box body; a battery box body is placed in the lithium battery space, and the two ends of the surface of a battery box cover are fixedly connected with a discharging port wire outlet waterproof connector and a charging port wire outlet waterproof connector respectively; and a button switch, a communication port, a debugging port, a display screen and an antenna are respectively mounted on the surface of the battery box cover. According to the utility model, the large-weight battery is divided into the counterweight part and the lithium battery part; the time for purchasing the battery box body is reduced, the management difficulty of a production workshop is reduced, the later after-sale transportation cost is reduced, the difficulty in production and assembly is reduced, the difficulty in after-sale maintenance is reduced, the cost for a customer to replace the lithium ion battery is reduced, and the risk that internal battery cells and electrical elements are damaged due to water vapor is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery equipment, in particular to a heavy-weight battery module structure that is easy to disassemble, assemble and maintain. Background Art

[0002] Nowadays, all countries are vigorously developing green energy. As a new type of energy, lithium-ion batteries have the advantages of high energy density and power density, high working voltage, light weight, small size, long cycle life, high stability, cleanliness, and environmental protection. They have broad prospects in the field of power batteries, energy storage industry, forklift batteries and other power sources.

[0003] Compared with traditional lead-acid batteries, lithium batteries have higher energy and high storage energy density, which is about 6-7 times that of lead-acid batteries. At the same time, lithium batteries have a long service life and a high charging rate, which saves the time cost of charging. Therefore, many forklift manufacturers have begun to replace the original lead-acid batteries with lithium-ion batteries.

[0004] However, most forklifts have weight requirements, and lithium-ion batteries with the same energy density do not meet the standard weight requirements for forklifts. The existing lead-acid battery has certain disadvantages when it is replaced with a lithium-ion battery:

[0005] Firstly, the battery compartment of a forklift is large in size. The oversized battery shell and heavy box sheet metal are not convenient for production and installation, and on-site management in the production workshop, and increase the transportation cost during subsequent maintenance. Secondly, the conventional counterweight method is to fill it with solid iron blocks and concrete. The sealed concrete takes too long to dry, which increases the processing time of the box sheet metal. Furthermore, the water vapor generated when the concrete used for counterweights is drying has the risk of damaging the internal battery cells and electrical components. Utility Model Content

[0006] The utility model aims to provide a heavy-weight battery module structure that is easy to disassemble and repair, so as to solve the problems in the above-mentioned background technology of high transportation cost during later repairs and the risk of water vapor damaging internal battery cells and electrical components.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heavy-weight battery module structure that is easy to disassemble, assemble and maintain, comprising a counterweight box body, wherein the counterweight box body is provided with two spaces, upper and lower, of a lithium battery space and a counterweight space, the lithium battery space being used to assemble the battery module, and the counterweight space being used to assemble the counterweight module; a battery box body is placed inside the lithium battery space, and a battery box cover is fixed on the top of the battery box body by screws, and the two ends of the surface of the battery box cover are respectively fixedly connected with a discharge port outlet waterproof connector and a charging port outlet waterproof connector; the surface of the battery box cover is also respectively installed with a button switch, a communication port, a debugging port, a display screen and an antenna.

[0008] Preferably, a pull rod is fixed to one side of the surface of the counterweight box body by bolts, and the pull rod is used to pull the entire battery out of the battery compartment at the vehicle end.

[0009] Preferably, one side of the counterweight space is covered with a counterweight box cover, which is used to seal the counterweight module, and the counterweight box cover is fixed to the counterweight space by screws.

[0010] Preferably, a maintenance window cover is also engaged on the surface of the battery box cover, and a handle is installed on the surface of the maintenance window cover, which facilitates the removal of the maintenance window cover from the battery box cover to repair the battery box.

[0011] Preferably, national standard lifting rings are installed at the four corners of the top of the battery box cover. The national standard lifting rings are convenient for lifting and can make the battery box easily installed inside the lithium battery space.

[0012] Preferably, after the battery box and the battery box cover are installed into the lithium battery space, the vertical distance between the upper surface of the battery box cover and the plane where the top of the lithium battery space is located is the pull rod CM, so as to facilitate the installation and fixation of the battery box and the battery box cover, and lifting holes are opened on all four sides of the top of the counterweight box body, which are used for lifting the entire battery.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the heavy-weight battery module structure that is easy to disassemble, assemble and repair sets up two spaces, upper and lower, of the lithium battery space and the counterweight space inside the counterweight box. The utility model separates the heavy-weight battery into a counterweight part and a lithium battery part, thereby reducing the time for purchasing the battery box, reducing the difficulty of management in the production workshop, reducing the subsequent after-sales transportation cost, reducing the difficulty in production and assembly, reducing the difficulty of after-sales maintenance, reducing the cost for customers to replace lithium-ion batteries, and eliminating the risk of damage to internal battery cells and electrical components due to water vapor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional assembly state structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional explosion structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the partial assembly state of the utility model.

[0017] In the figure: 1. Counterweight box; 101. Lithium battery space; 102. Counterweight space; 2. Counterweight box cover; 3. Pull rod; 4. Battery box; 5. Battery box cover; 6. Maintenance window cover; 7. National standard lifting ring; 8. Discharge port outlet waterproof connector; 9. Charging port outlet waterproof connector; 10. Push button switch; 11. Communication port; 12. Debug port; 13. Display screen; 14. Antenna; 15. Handle; 16. Lifting hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" 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 directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] The utility model provides a heavy-duty battery module structure that is easy to disassemble and repair. Figure 1 as well as Figure 3 As shown, it includes a counterweight box body 1, and the interior of the counterweight box body 1 is provided with two upper and lower spaces, namely a lithium battery space 101 and a counterweight space 102. The lithium battery space 101 is used to assemble the battery module, and the counterweight space 102 is used to assemble the counterweight module. One side of the counterweight space 102 is covered with a counterweight box cover 2, and the counterweight box cover 2 is used to close the counterweight module, and the counterweight box cover 2 and the counterweight space 102 are fixed by screws; a battery box body 4 with battery cell modules and electrical components installed inside is placed inside the lithium battery space 101, and a battery box cover 5 is fixed on the top of the battery box body 4 by screws, and a maintenance window cover 6 is also engaged on the surface of the battery box cover 5, and a handle 15 is installed on the surface of the maintenance window cover 6, and the handle 15 is convenient for removing the maintenance window cover 6 from the battery box cover 5 so as to repair the battery box body 4.

[0020] During implementation, two upper and lower spaces, namely, a lithium battery space 101 and a counterweight space 102, are set inside the counterweight box body 1. During assembly, the counterweight module is placed inside the counterweight space 102. After placement, the counterweight box cover 2 is closed and the counterweight space 102 is sealed and fixed with screws.

[0021] Furthermore, if Figure 2as well as Figure 3 As shown, the four corners of the top of the battery box cover 5 are all equipped with national standard lifting rings 7, which are convenient for lifting work and can make the battery box 4 easily loaded into the lithium battery space 101. After the battery box 4 and the battery box cover 5 are loaded into the lithium battery space 101, the vertical distance between the upper surface of the battery box cover 5 and the plane where the top of the lithium battery space 101 is located is 3CM, so as to facilitate the installation and fixation of the battery box 4 and the battery box cover 5, and avoid the lithium battery part The movement distance is not enough to cause Damage phenomenon, the four sides of the top of the counterweight box body 1 are opened with lifting holes 16, and the lifting holes 16 are used for lifting the battery as a whole. The two ends of the surface of the battery box cover 5 are respectively fixedly connected with the discharge port outlet waterproof connector 8 and the charging port outlet waterproof connector 9; the surface of the battery box cover 5 is also respectively installed with a button switch 10, a communication port 11, a debugging port 12, a display screen 13 and an antenna 14. One side of the surface of the counterweight box body 1 is fixed with a pull rod 3 by bolts, and the pull rod 3 is used to pull the battery as a whole out of the battery compartment at the vehicle end.

[0022] During implementation, the battery box 4 and the battery box cover 5 are hoisted into the lithium battery space 101 through the national standard lifting ring 7. After the battery box 4 and the battery box cover 5 are hoisted into the lithium battery space 101, the vertical distance between the upper surface of the battery box cover 5 and the plane where the top of the lithium battery space 101 is located is 3CM for the pull rod, so as to facilitate the installation and fixation of the battery box 4 and the battery box cover 5.

[0023] Working principle: The utility model sets up two upper and lower spaces, namely, a lithium battery space 101 and a counterweight space 102, inside the counterweight box body 1. During assembly, the counterweight module is placed inside the counterweight space 102. After placement, the counterweight box cover 2 is closed and the counterweight space 102 is sealed and fixed with screws.

[0024] Then, the battery box 4 and the battery box cover 5 are hoisted into the lithium battery space 101 through the national standard lifting ring 7. After the battery box 4 and the battery box cover 5 are hoisted into the lithium battery space 101, the vertical distance between the upper surface of the battery box cover 5 and the plane where the top of the lithium battery space 101 is located is 3CM, so as to facilitate the installation and fixation of the battery box 4 and the battery box cover 5, and avoid the phenomenon that the lithium battery is damaged due to insufficient movement distance. Then, the lifting hole 16 on the surface of the counterweight box 1 is used for lifting the entire battery.

[0025] During subsequent maintenance, the maintenance window cover 6 is engaged with the surface of the battery box cover 5, and a handle 15 is installed on the surface of the maintenance window cover 6. The maintenance window cover 6 can be removed from the battery box cover 5 using the handle 15 to facilitate maintenance of the battery box 4, thereby finally completing the use of the battery module structure.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A heavy-duty battery module structure that is easy to disassemble, assemble and maintain, comprising a counterweight box (1), characterized in that: The counterweight box (1) is provided with two spaces, a lithium battery space (101) and a counterweight space (102), the lithium battery space (101) being used to assemble a battery module, and the counterweight space (102) being used to assemble a counterweight module; a battery box (4) is placed inside the lithium battery space (101), and a battery box cover (5) is fixed on the top of the battery box (4) by screws, and the two ends of the surface of the battery box cover (5) are respectively fixedly connected with a discharge port outlet waterproof connector (8) and a charging port outlet waterproof connector (9); the surface of the battery box cover (5) is also respectively installed with a button switch (10), a communication port (11), a debugging port (12), a display screen (13) and an antenna (14).

2. A heavy-duty battery module structure that is easy to disassemble and repair according to claim 1, characterized in that: A pull rod (3) is fixed to one side of the surface of the counterweight box (1) by means of bolts, and the pull rod (3) is used to pull the entire battery out of the battery compartment at the vehicle end.

3. A heavy-duty battery module structure that is easy to disassemble and repair according to claim 1, characterized in that: One side of the counterweight space (102) is covered with a counterweight box cover (2), and the counterweight box cover (2) is used to seal the counterweight module, and the counterweight box cover (2) and the counterweight space (102) are fixed by screws.

4. A heavy-duty battery module structure that is easy to disassemble and repair according to claim 1, characterized in that: The surface of the battery box cover (5) is also engaged with a maintenance window cover (6), and the surface of the maintenance window cover (6) is installed with a handle (15), which facilitates the maintenance window cover (6) to be removed from the battery box cover (5) so as to repair the battery box body (4).

5. The heavy-duty battery module structure that is easy to disassemble and repair according to claim 1 is characterized in that: National standard lifting rings (7) are installed at the four corners of the top of the battery box cover (5). The national standard lifting rings (7) are convenient for lifting and can easily install the battery box (4) into the interior of the lithium battery space (101).

6. A heavy-duty battery module structure that is easy to disassemble and repair according to claim 1, characterized in that: After the battery box (4) and the battery box cover (5) are installed in the lithium battery space (101), the vertical distance between the upper surface of the battery box cover (5) and the plane where the top of the lithium battery space (101) is located is 3CM of the pull rod, so as to facilitate the installation and fixation of the battery box (4) and the battery box cover (5). The four sides of the top of the counterweight box (1) are provided with lifting holes (16), and the lifting holes (16) are used for lifting the battery as a whole.

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