Off-road electric vehicle battery intelligent management and power balance system

Abstract

The utility model discloses a kind of non-road electric vehicle battery intelligent management and electric quantity equalization system, it is related to battery pack technical field.The utility model includes box, box is provided with lid, battery module and BMS are provided in the box;Rotary fit has with the lid the rotating block being connected in the box, the box is slidably fitted with two first limit plates, the opposite moving assembly that is cooperated with two first limit plates is arranged in the box inner wall one side, transmission assembly is arranged between the opposite moving assembly and the rotating block, two second limit plates are slidably fitted between two first limit plates.The utility model is moved by extrusion when two first limit plates relatively, two second limit plates are relatively moved, two first limit plates and two second limit plates are simultaneously relatively moved, and four sides of battery module placed in the box can be clamped and fixed, and battery module can be installed in the box.

Description

Technical Field

[0001] This utility model belongs to the field of battery packs, specifically, it relates to an intelligent management and power balancing system for batteries of non-road electric vehicles. Background Technology

[0002] Battery management systems for non-road electric vehicles (such as construction machinery, agricultural machinery, forklifts, etc.) require special design to cope with harsh working environments, high-current charging and discharging, and long-term continuous operation. The system integrates intelligent battery management and active power balancing technology to improve battery pack efficiency, extend lifespan, and ensure safe operation.

[0003] Chinese utility model patent CN213340559U discloses an industrial-grade energy storage battery pack, including a battery box, a battery management system (BMS), battery modules, and battery modules themselves. The battery box includes a cover and a body. Two sets of battery modules are connected in series, and each battery module is connected to a BMS. The BMS includes an active hybrid balancing BMS management system and a passive hybrid balancing BMS management system, with the battery modules housed within the BMS. While this battery pack boasts a simple architecture, high space utilization, high assembly efficiency, and strong scalability, meeting the design requirements of systems with different voltages and capacities, and utilizes both active and passive hybrid balancing BMS management systems to add one battery module for data acquisition, along with software compensation to reduce the number of acquisition channels and lower system hardware costs, the actual use of this energy storage battery pack involves cumbersome operation. The battery modules are installed inside the battery box using multiple mounting ears and screws, requiring the screws to be unscrewed and the battery removed from the battery box during replacement or repair, significantly reducing battery loading and unloading efficiency.

[0004] In view of this, this utility model is hereby proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an intelligent battery management and power balancing system for non-road electric vehicles, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows: A non-road electric vehicle battery intelligent management and power balancing system includes: a housing, a housing cover, and a battery module and a BMS disposed inside the housing; The housing is rotatably fitted with a rotating block connected to the housing cover. The housing is slidably fitted with two first limiting plates. One side of the inner wall of the housing is provided with a relative moving component that cooperates with the two first limiting plates. A transmission component is provided between the relative moving component and the rotating block. The two first limiting plates are slidably fitted with two second limiting plates. On the opposite side of the two first limiting plates, a pressing relative moving component corresponding to the two second limiting plates is provided.

[0007] Optionally, a channel is provided on one side of the housing, and the relative movement component includes a bidirectional threaded rod rotatably engaged in the channel and two threaded blocks slidably engaged in the channel and threadedly engaged around the bidirectional threaded rod. The two threaded blocks are respectively fixedly connected to the two first limiting plates, and the bidirectional threaded rod is connected to the transmission component.

[0008] Optionally, a slot is provided on one side of the housing, a rotating rod is rotatably fitted in the slot, a rotating block is disposed on the periphery of the rotating rod, and an inner cavity is provided on one side of the housing that communicates with the slot, and the transmission component is located in the inner cavity.

[0009] Optionally, the transmission assembly includes a first bevel gear rotatably fitted within the inner cavity and fixedly connected to one end of the rotating rod, a support block disposed within the inner cavity, a connecting rod rotatably fitted on the support block and fixedly connected to one end of the bidirectional threaded rod, and a second bevel gear disposed at one end of the connecting rod and meshing with the first bevel gear.

[0010] Optionally, the extrusion relative movement component includes two inclined grooves formed on one side of the first limiting plate, two sliders that are slidably fitted in the two inclined grooves and fixedly connected to the two second limiting plates respectively, and an elastic element disposed between the inclined grooves and the sliders, wherein one side of the slider is provided with an inclined surface corresponding to the inclined groove.

[0011] Optionally, rubber pads are provided on opposite sides of the two first limiting plates and on opposite sides of the two second limiting plates.

[0012] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time: By using the relative movement component, when the lid is closed, the rotating block drives the relative movement component through the transmission component, which in turn drives the two first limiting plates to move relative to each other inside the box. This clamps and fixes the battery module placed inside the box on both sides. By squeezing the relative movement component, the two first limiting plates move relative to each other, which in turn drives the two second limiting plates to move relative to each other. The simultaneous relative movement of the two first limiting plates and the two second limiting plates clamps and fixes the battery module placed inside the box on all four sides, allowing the battery module to be installed inside the box. The reverse operation allows the battery module to be replaced or repaired, thereby improving the efficiency of battery module loading and unloading.

[0013] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0014] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings: Figure 1 This is a schematic diagram of the battery module structure; Figure 2 This is a schematic diagram of the relative movement component structure; Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle; Figure 4 This is a schematic diagram of the structure of the extrusion relative movement component.

[0015] The attached diagram lists the components represented by each number as follows: Box body 1, box cover 2, rotating block 3, first limiting plate 4, second limiting plate 5, channel 6, relative movement component 7, bidirectional threaded rod 701, threaded block 702, rotating rod 8, inner cavity 9, transmission component 10, first bevel gear 1001, second bevel gear 1002, connecting rod 1003, support block 1004, extrusion relative movement component 11, inclined groove 1101, slider 1102, elastic element 1103, rubber pad 12, BMS 13, heat dissipation hole 14, battery module 15.

[0016] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings.

[0018] Please see Figure 1-4As shown, this embodiment provides a non-road electric vehicle battery intelligent management and power balancing system, including: a box 1, a box cover 2 on the box 1, a battery module 15 and a BMS 13 inside the box 1, wherein multiple heat dissipation holes 14 are provided on both sides of the box 1 to facilitate heat dissipation inside the box 1. The housing 1 is rotatably fitted with a rotating block 3 connected to the housing cover 2. The housing 1 is slidably fitted with two first limiting plates 4. A relative moving component 7 that cooperates with the two first limiting plates 4 is provided on one side of the inner wall of the housing 1. A transmission component 10 is provided between the relative moving component 7 and the rotating block 3. Two second limiting plates 5 are slidably fitted between the two first limiting plates 4. On the opposite side of the two first limiting plates 4, a pressing relative moving component 11 corresponding to the two second limiting plates 5 is provided.

[0019] With the relative movement component 7 in place, when the cover 2 is closed, the rotating block 3 drives the relative movement component 7 through the transmission component 10, which drives the two first limiting plates 4 to move relative to each other within the box 1. This clamps and fixes the battery module 15 placed inside the box 1 on both sides. By squeezing the relative movement component 11, the two first limiting plates 4 move relative to each other, which in turn drives the two second limiting plates 5 to move relative to each other. The simultaneous relative movement of the two first limiting plates 4 and the two second limiting plates 5 clamps and fixes the battery module 15 placed inside the box 1 on all four sides, allowing the battery module 15 to be installed inside the box 1. The reverse operation allows the battery module 15 to be replaced or repaired, thereby improving the loading and unloading efficiency of the battery module 15.

[0020] like Figure 2-3 As shown, in this embodiment, a channel 6 is provided on one side of the housing 1. The relative moving component 7 includes a bidirectional threaded rod 701 rotatably engaged in the channel 6 and two threaded blocks 702 slidably engaged in the channel 6 and threadedly engaged around the bidirectional threaded rod 701. The two threaded blocks 702 are respectively fixedly connected to two first limiting plates 4. The bidirectional threaded rod 701 is connected to the transmission component 10. A slot is provided on one side of the housing 1, and a rotating rod 8 is rotatably engaged in the slot. A rotating block 3 is disposed around the rotating rod 8. An inner cavity 9 communicating with the channel 6 is provided on one side of the housing 1, and the transmission component 10 is located in the inner cavity 9. like Figure 3-4As shown, the transmission assembly 10 of this embodiment includes a first bevel gear 1001 rotatably fitted in the inner cavity 9 and fixedly connected to one end of the rotating rod 8, a support block 1004 disposed in the inner cavity 9, a connecting rod 1003 rotatably fitted on the support block 1004 and fixedly connected to one end of the bidirectional threaded rod 701, and a second bevel gear 1002 disposed at one end of the connecting rod 1003 and meshing with the first bevel gear 1001; the extrusion relative movement assembly 11 includes two inclined grooves 1101 opened on one side of the first limiting plate 4, two sliders 1102 respectively slidably fitted in the two inclined grooves 1101 and fixedly connected to the two second limiting plates 5, and an elastic element 1103 disposed between the inclined grooves 1101 and the sliders 1102. One side of the slider 1102 is provided with an inclined surface corresponding to the inclined groove 1101, wherein the elastic element 1103 may be a spring.

[0021] When the lid 2 is closed, the lid 2 drives the rotating block 3 to rotate, the rotating block 3 drives the rotating rod 8 to rotate, the rotating rod 8 drives the first bevel gear 1001 to rotate, the first bevel gear 1001 drives the second bevel gear 1002 to rotate, the second bevel gear 1002 drives the connecting rod 1003 to rotate, the connecting rod 1003 drives the bidirectional threaded rod 701 to rotate, the bidirectional threaded rod 701 drives the two threaded blocks 702 to move relative to each other, the relative movement of the two threaded blocks 702 respectively drives the two first limiting plates 4 to move relative to each other in the box 1, the relative movement of the two first limiting plates 4 presses the inclined surfaces of the two sliders 1102 through the two inclined grooves 1101 to make them move relative to each other, the relative movement of the two sliders 1102 respectively drives the two second limiting plates 5 to move relative to each other, the simultaneous relative movement of the two first limiting plates 4 and the two second limiting plates 5 can clamp and fix the battery module 15 placed in the box 1 on all four sides, and can install the battery module 15 in the box 1; When opening the cover 2, following the steps described above, the two first limiting plates 4 are reset, and the two second limiting plates 5 are simultaneously reset by the elastic force of the elastic element 1103, thereby enabling the battery module 15 inside the box 1 to be removed for replacement or repair, thus improving the loading and unloading efficiency of the battery module 15.

[0022] like Figure 4 As shown, rubber pads 12 are provided on the opposite sides of the two first limiting plates 4 and the opposite sides of the two second limiting plates 5 in this embodiment. The rubber pads 12 can protect the battery module 15 inside the box 1.

[0023] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A smart battery management and power balancing system for non-road electric vehicles, characterized in that, include: The box (1) is provided with a box cover (2), and the box (1) is provided with a battery module (15) and a BMS (13). The box body (1) is rotatably fitted with a rotating block (3) connected to the box cover (2). The box body (1) is slidably fitted with two first limiting plates (4). A relative moving component (7) is provided on one side of the inner wall of the box body (1) to cooperate with the two first limiting plates (4). A transmission component (10) is provided between the relative moving component (7) and the rotating block (3). Two second limiting plates (5) are slidably fitted between the two first limiting plates (4). On the opposite side of the two first limiting plates (4), a pressing relative moving component (11) corresponding to the two second limiting plates (5) is provided.

2. The intelligent battery management and power balancing system for non-road electric vehicles according to claim 1, characterized in that, The housing (1) has a channel (6) on one side. The relative moving component (7) includes a bidirectional threaded rod (701) rotatably engaged in the channel (6) and two threaded blocks (702) slidably engaged in the channel (6) and threadedly engaged around the bidirectional threaded rod (701). The two threaded blocks (702) are respectively fixedly connected to the two first limiting plates (4). The bidirectional threaded rod (701) is connected to the transmission component (10).

3. The intelligent battery management and power balancing system for non-road electric vehicles according to claim 2, characterized in that, The box (1) has a slot on one side, and a rotating rod (8) is rotatably fitted inside the slot. The rotating block (3) is located on the periphery of the rotating rod (8). The box (1) has an inner cavity (9) connected to the channel (6) on one side, and the transmission component (10) is located inside the inner cavity (9).

4. The intelligent battery management and power balancing system for non-road electric vehicles according to claim 3, characterized in that, The transmission assembly (10) includes a first bevel gear (1001) rotatably fitted in the inner cavity (9) and fixedly connected to one end of the rotating rod (8), a support block (1004) disposed in the inner cavity (9), a connecting rod (1003) rotatably fitted on the support block (1004) and fixedly connected to one end of the bidirectional threaded rod (701), and a second bevel gear (1002) disposed at one end of the connecting rod (1003) and meshing with the first bevel gear (1001).

5. The intelligent battery management and power balancing system for non-road electric vehicles according to claim 4, characterized in that, The extrusion relative movement assembly (11) includes two inclined grooves (1101) opened on one side of the first limiting plate (4), two sliders (1102) that are slidably fitted in the two inclined grooves (1101) and fixedly connected to the two second limiting plates (5) respectively, and an elastic member (1103) disposed between the inclined grooves (1101) and the sliders (1102). One side of the slider (1102) is provided with an inclined surface corresponding to the inclined grooves (1101).

6. The intelligent battery management and power balancing system for non-road electric vehicles according to claim 5, characterized in that, Rubber pads (12) are provided on the opposite side of the two first limiting plates (4) and on the opposite side of the two second limiting plates (5).

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