General battery for engineering vehicle

Abstract

The utility model belongs to the technical field of engineering vehicle batteries, and particularly relates to a general battery for engineering vehicles, which comprises an outer shell, a plurality of battery pack modules and a battery pack, the base is fixedly connected to the bottom of the outer shell; the communication module is embedded and fixed in the base and is used for realizing wireless communication of battery state information; the battery management system is arranged in the outer shell, one end of the battery management system is electrically connected with the plurality of battery pack modules, and the other end of the battery management system is electrically connected with the communication module; the module temperature sensor is fixedly connected in the outer shell, and the module temperature sensor is electrically connected with the battery management system; the heat dissipation system is arranged in the outer shell and is used for heat dissipation of the battery pack module and the battery management system; the cover plate is fixedly connected to the top of the outer shell, the cover plate is provided with a discharging adapter and a battery module charging port, the discharging adapter and the battery module charging port are both electrically connected with the battery management system, and the cover plate is provided with a heat dissipation port of the heat dissipation system.

Description

Technical Field

[0001] This utility model belongs to the field of engineering vehicle battery technology, and in particular relates to a universal battery for engineering vehicles. Background Technology

[0002] With the continuous development of the logistics and transportation industries and the gradual improvement of automation levels, forklifts and other engineering vehicles have been widely used as important material handling equipment. Currently, energy-saving, environmentally friendly, and powerful new energy electric forklifts are gradually replacing traditional engineering vehicles that use internal combustion engines as power sources and emit heavy pollution. As a core component, the battery module's performance directly determines the overall range and efficiency of forklifts and other engineering vehicles. However, the market currently offers a wide variety of engineering vehicle batteries with inconsistent specifications and sizes, resulting in wasted resources, increased maintenance costs, and significant inconvenience for users. Furthermore, traditional batteries lack monitoring of battery status; the charging and discharging status of the power battery not only affects battery performance but can also negatively impact the operation of the engineering vehicle. Therefore, a universal battery for engineering vehicles is urgently needed to address this issue. Utility Model Content

[0003] The purpose of this invention is to provide a universal battery for engineering vehicles to solve the above-mentioned problems.

[0004] To achieve the above objectives, this utility model provides the following solution:

[0005] A universal battery for engineering vehicles, comprising:

[0006] The outer casing contains multiple battery pack modules.

[0007] The base is fixed to the bottom of the outer casing;

[0008] A communication module, embedded in the base, is used to enable wireless communication of battery status information.

[0009] A battery management system is disposed within the housing, with one end electrically connected to a plurality of the battery pack modules and the other end electrically connected to the communication module.

[0010] A module temperature sensor is fixedly attached to the housing and is electrically connected to the battery management system.

[0011] A heat dissipation system is disposed within the housing for heat dissipation of the battery pack module and the battery management system;

[0012] A cover plate is fixed to the top of the outer casing. The cover plate is provided with a discharge adapter and a battery module charging port. Both the discharge adapter and the battery module charging port are electrically connected to the battery management system. The cover plate is provided with a heat dissipation vent for the heat dissipation system.

[0013] Optionally, a battery pack bracket is fixedly connected to the housing. The battery pack bracket has a multi-layer structure, and a battery holder for mounting the battery pack module is fixedly connected to the battery pack bracket. The battery pack module is fixedly connected to the corresponding battery holder.

[0014] The battery management system, power distribution unit, and module temperature sensor are all fixedly mounted on the battery pack bracket.

[0015] Optionally, the heat dissipation system includes an air-cooled device and a liquid-cooled device;

[0016] The air-cooling device includes two air intake units, which are respectively fixed to the bottom sides of the battery pack bracket. The air intake end of the air intake unit is connected to the outside, and the air outlet end of the air intake unit is arranged facing the inside of the outer casing.

[0017] The liquid cooling channel of the battery pack is embedded in the bottom of the battery holder. The liquid cooling channel of the battery pack is in contact with the bottom of the battery pack module and is configured for heat exchange. The liquid cooling channels of the battery packs of two adjacent battery holders are connected, and the coolant circulates in the liquid cooling channel of the battery pack.

[0018] Optionally, the battery pack module includes a battery compartment enclosed by a baffle and a side plate, and multiple battery cells are installed inside the battery compartment. The multiple battery cells are fixed to the battery compartment by battery clamps.

[0019] The top of the battery compartment is provided with an epoxy cover plate, and the end of the epoxy cover plate is fixed to the corresponding baffle plate by a buckle;

[0020] A cell temperature sensor for detecting cell temperature is fixedly connected to the battery pressure bar, and the cell temperature sensor is electrically connected to the battery management system.

[0021] Each of the battery cells has a heat exchange plate in contact with its front and rear sides, and the heat exchange plate is fixed to the corresponding side plate.

[0022] The heat exchange plate is configured to exchange heat with the battery cell, and the heat exchange plate is configured to exchange heat with the side plate.

[0023] Optionally, the heat exchange plate includes a substrate, on which a plurality of phase change material strips are uniformly fixedly attached. One side of the phase change material strips is heat-exchange disposed with the substrate, and the other side of the phase change material strips is in contact with and heat-exchange disposed with the battery cell. The substrate is fixedly attached to the corresponding side plate.

[0024] Optionally, the top of the cover plate is hinged with two handles, which are symmetrically arranged.

[0025] Compared with the prior art, the present invention has the following advantages and technical effects:

[0026] During use, the module temperature sensor acquires the internal temperature of the casing and feeds it back to the battery management system. After processing the temperature data, the battery management system sends the temperature data to the cloud via the communication module, allowing personnel to monitor the temperature status of multiple battery pack modules in real time. At the same time, the battery management system can acquire the charging and discharging status of the battery pack modules, enabling status monitoring of the battery pack modules. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the base structure of this utility model;

[0030] Figure 3 This is a schematic diagram of the internal structure of the outer shell of this utility model;

[0031] Figure 4 This is a schematic diagram of the battery pack module structure of this utility model;

[0032] Figure 5 This is a schematic diagram of the heat exchange plate structure of this utility model;

[0033] Figure 6 This is a schematic diagram of the structure of Embodiment 2 of the present utility model.

[0034] The components include: 1. Base; 2. Outer shell; 3. Discharge adapter; 4. Battery module charging port; 5. Cover plate; 6. Handle; 7. Communication module; 8. Air cooling device; 9. Battery pack module; 10. Battery pack bracket; 11. Battery pack liquid cooling channel; 12. Power distribution unit; 13. Module temperature sensor; 14. Battery management system; 15. Battery cell; 16. Barley paper; 17. Heat exchange plate; 18. Epoxy cover plate; 19. Battery retaining strip; 20. EVA cotton; 21. Buckle; 22. Baffle; 23. Phase change material strip; 24. Side plate; 25. Air inlet frame; 26. Fan; 27. Magnet; 28. Filter handle; 29. ​​Filter; 30. Interlocking block. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0037] Example 1:

[0038] Reference Figures 1 to 5 This embodiment discloses a universal battery for engineering vehicles, comprising:

[0039] The outer casing 2 contains multiple battery pack modules 9.

[0040] Base 1 is fixed to the bottom of outer shell 2;

[0041] Communication module 7, embedded in base 1, is used to realize wireless communication of battery status information;

[0042] The battery management system 14 is installed inside the housing 2, with one end electrically connected to several battery pack modules 9 and the other end electrically connected to the communication module 7.

[0043] The module temperature sensor 13 is fixed inside the housing 2 and is electrically connected to the battery management system 14.

[0044] A heat dissipation system is installed inside the outer casing 2 for heat dissipation of the battery pack module 9 and the battery management system 14;

[0045] The cover plate 5 is fixed to the top of the outer shell 2. The cover plate 5 is provided with a discharge adapter 3 and a battery module charging port 4. Both the discharge adapter 3 and the battery module charging port 4 are electrically connected to the battery management system 14. The cover plate 5 is provided with a heat dissipation vent for the heat dissipation system.

[0046] During use, the temperature inside the outer casing 2 is obtained through the module temperature sensor 13 and fed back to the battery management system 14. After the battery management system 14 processes the temperature data, it sends the temperature data to the cloud through the communication module 7, which facilitates real-time monitoring of the temperature status of multiple battery pack modules 9. At the same time, the charging and discharging status of the battery pack modules 9 can be obtained through the battery management system 14, realizing status monitoring of the battery pack modules 9.

[0047] As an optional implementation, a battery pack bracket 10 is fixedly connected inside the outer casing 2. The battery pack bracket 10 has a multi-layer structure, and a battery holder for mounting the battery pack module 9 is fixedly connected to the battery pack bracket 10. The battery pack module 9 is fixedly connected to the corresponding battery holder.

[0048] The battery management system 14, the power distribution unit 12, and the module temperature sensor 13 are all fixedly attached to the battery pack bracket 10.

[0049] As an optional implementation, the heat dissipation system includes an air-cooled device 8 and a liquid-cooled device;

[0050] The air-cooling device 8 includes two air intake units, which are respectively fixed to the bottom sides of the battery pack bracket 10. The air intake end of the air intake unit is connected to the outside, and the air outlet end of the air intake unit is set towards the inside of the outer casing 2.

[0051] The liquid cooling channel 11 of the battery pack of the liquid cooling device is embedded in the bottom of the battery holder. The liquid cooling channel 11 of the battery pack is in contact with the bottom of the battery pack module 9 and is set for heat exchange. The liquid cooling channels 11 of the battery packs of two adjacent battery holders are connected, and the coolant circulates in the liquid cooling channel 11 of the battery pack.

[0052] As an optional implementation, the battery pack module 9 includes a battery compartment enclosed by a baffle 22 and a side plate 24, and a plurality of battery cells 15 are installed in the battery compartment. The plurality of battery cells 15 are fixed to the battery compartment by battery clamping strips 19.

[0053] The top of the battery compartment is provided with an epoxy cover plate 18, and the end of the epoxy cover plate 18 is fixed to the corresponding baffle plate 22 by a buckle 21.

[0054] A cell temperature sensor for detecting cell temperature is fixedly attached to the battery pressure strip 19, and the cell temperature sensor is electrically connected to the battery management system 14.

[0055] Multiple battery cells 15 have heat exchange plates 17 in contact with their front and rear sides respectively, and the heat exchange plates 17 are fixed to the corresponding side plates 24.

[0056] The heat exchange plate 17 is configured to exchange heat with the battery cell 15, and the heat exchange plate 17 is configured to exchange heat with the side plate 24.

[0057] As an optional implementation, the heat exchange plate 17 includes a substrate, on which a plurality of phase change material strips 23 are uniformly fixedly attached. One side of the phase change material strips 23 is heat-exchange disposed with the substrate, and the other side of the phase change material strips 23 is in contact with and heat-exchange disposed with the battery cell 15. The substrate is fixedly attached to the corresponding side plate 24.

[0058] As an alternative implementation, the top of the cover plate 5 is hinged with two handles 6, which are arranged symmetrically.

[0059] This embodiment uses a forklift battery as an example.

[0060] A multi-layered battery pack bracket 10 is fixed inside the outer casing 2.

[0061] This battery comprises an upper outer casing 2 and a lower base 1. The battery pack module 9 can be disassembled and assembled in a modular fashion within the battery pack bracket 10 located inside the outer casing 2. The cover plate 5 is primarily a charging and discharging device. The battery module charging port 4 of the battery pack module 9 can receive external conventional voltage for charging and connects to the battery cell 15 for charging via a wiring harness and adapter. Handles 6 are installed on both sides of the discharge adapter 3 for easy lifting of the cover plate 5. The center of the cover plate 5 has an integrated air-cooling heat dissipation outlet. When the air-cooling device 8 at the bottom is working, it can promptly promote air circulation. When the internal temperature rises, the airflow carries the heat out of the outer casing 2 and dissipates the heat through the air-cooling heat dissipation outlet. The cover plate 5 is connected to the outer casing 2 by M8 screws, a total of 9 screws on four sides. Additionally, there are 15mm radius holes on two opposing surfaces for forklifts or handling equipment to lift and transport the battery.

[0062] The base 1 serves as a stabilizer and counterweight. A gap is left between the base 1 and the upper main structure for the installation of the communication module 7. The base 1 is secured to the main structure at its four corners using screws. The communication module 7 can connect wirelessly, via 4G, or via 5G. Specific information about the battery pack module 9 is uploaded to the cloud via the battery management system 14 for analysis and control by backend administrators. Users can also monitor the status of the battery pack module 9 through the communication module 7 and optimize usage strategies based on recommended methods.

[0063] The battery pack bracket 10 houses four identical battery pack modules 9, electrical components, and a cooling system. The positive and negative terminals of each battery pack module 9 are connected end-to-end to form a four-series connection, increasing the voltage for power supply. A battery management system 14 is installed between the two upper battery packs and includes a battery module temperature sensor 13 to measure the overall battery temperature, facilitating management system control. Below each battery pack module 9 is a liquid cooling channel 11, filled with coolant that circulates during battery operation for cooling. Cooling pipes integrated into the battery holder base plate are flush with the bottom of the battery pack modules 9, facilitating heat dissipation and modular disassembly and assembly. The battery pack modules 9 are connected to the battery holder base plate, and the battery holder base plate is connected to the battery pack bracket 10 using screws.

[0064] The battery pack module 9 can be configured with different specifications and models of individual battery cells 15 according to different needs and carried out corresponding series and parallel designs. Barley paper 16 matching the size of the battery cells 15 is attached between the battery cells 15 for heat insulation. A heat exchange plate 17 with integrated phase change material strips 23 is installed on the side of the battery cell 15 to cool the battery. The battery cells 15 are fixed on top by battery pressure strips 19 with EVA cotton 20 attached. The cell temperature sensor is integrated on the battery pressure strip 19, and the cell temperature data is synchronously transmitted to the upper-level battery management system 14 for unified processing. The battery cells 15 are fixed and constrained by baffles 22 and side plates 24. Buckles 21 are installed on the surface of the baffles 22 for easy assembly and disassembly.

[0065] Example 2:

[0066] refer to Figure 6 The difference between this embodiment and embodiment 1 is that the air inlet of the air-cooling device 8 includes an air inlet frame 25, a fan 26 is rotatably connected inside the air inlet frame 25, a filter 29 is provided on one side of the air inlet of the fan 26, the bottom of the filter 29 is inserted into a slot opened at the bottom of the air inlet frame 25, a magnet 27 is embedded in the slot, the magnet 27 is magnetically connected to the bottom of the filter 29, the top of the filter 29 penetrates through the top of the air inlet frame 25, a filter handle 28 is fixedly connected to the top of the filter 29, and a splicing block 30 is fixedly connected to one side of the top of the filter 29, the splicing block 30 is inserted into the slot opened at the top of the air inlet frame 25.

[0067] In use, the filter 29 can be inserted into the air inlet frame 25 to filter the incoming air and prevent dust from accumulating on the fan 26. The bottom of the filter 29 is magnetically connected to the magnet 27 in the slot, which can ensure that the filter 29 is firmly installed in the air inlet frame 25. At the same time, the splicing block 30 on the top side of the filter 29 is inserted into the slot opened on the top of the air inlet frame 25 to distinguish the front and back of the filter 29 and prevent the filter 29 from being inserted backwards.

[0068] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0069] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A universal battery for engineering vehicles, characterized in that, include: The outer casing (2) contains a plurality of battery pack modules (9); The base (1) is fixed to the bottom of the outer casing (2); The communication module (7) is embedded in the base (1) and is used to realize wireless communication of battery status information; A battery management system (14) is disposed inside the outer casing (2), one end of which is electrically connected to a plurality of battery pack modules (9), and the other end of the battery management system (14) is electrically connected to the communication module (7); A module temperature sensor (13) is fixed inside the outer casing (2), and the module temperature sensor (13) is electrically connected to the battery management system (14). A heat dissipation system is provided inside the outer casing (2) for heat dissipation of the battery pack module (9) and the battery management system (14); A cover plate (5) is fixed to the top of the outer shell (2). The cover plate (5) is provided with a discharge adapter (3) and a battery module charging port (4). The discharge adapter (3) and the battery module charging port (4) are electrically connected to the battery management system (14). The cover plate (5) is provided with a heat dissipation port for the heat dissipation system.

2. The universal battery for engineering vehicles according to claim 1, characterized in that: A battery pack bracket (10) is fixedly connected inside the outer shell (2). The battery pack bracket (10) has a multi-layer structure. A battery holder for installing the battery pack module (9) is fixedly connected on the battery pack bracket (10). The battery pack module (9) is fixedly connected to the corresponding battery holder. The battery management system (14), the power distribution unit (12), and the module temperature sensor (13) are all fixed to the battery pack bracket (10).

3. A universal battery for engineering vehicles according to claim 2, characterized in that: The heat dissipation system includes an air-cooled device (8) and a liquid-cooled device; The air-cooling device (8) includes two air inlet units, which are respectively fixed to the bottom sides of the battery pack bracket (10). The air inlet end of the air inlet unit is connected to the outside, and the air outlet end of the air inlet unit is set towards the inside of the outer shell (2). The battery pack liquid cooling channel (11) of the liquid cooling device is embedded in the bottom of the battery holder. The battery pack liquid cooling channel (11) is in contact with the bottom of the battery pack module (9) and is heat exchanged. The battery pack liquid cooling channels (11) of two adjacent battery holders are connected, and the coolant circulates in the battery pack liquid cooling channel (11).

4. A universal battery for engineering vehicles according to claim 1, characterized in that: The battery pack module (9) includes a battery compartment enclosed by a baffle (22) and a side plate (24), and multiple battery cells (15) are installed in the battery compartment. The multiple battery cells (15) are fixed to the battery compartment by battery clamps (19). The top of the battery compartment is provided with an epoxy cover plate (18), and the end of the epoxy cover plate (18) is fixed to the corresponding baffle (22) by a buckle (21); A cell temperature sensor for detecting cell temperature is fixedly attached to the battery pressure bar (19), and the cell temperature sensor is electrically connected to the battery management system (14). Each of the battery cells (15) has a heat exchange plate (17) in contact with its front and rear sides respectively, and the heat exchange plate (17) is fixed to the corresponding side plate (24); The heat exchange plate (17) is heat-exchange configured with the battery cell (15), and the heat exchange plate (17) is heat-exchange configured with the side plate (24).

5. A universal battery for engineering vehicles according to claim 4, characterized in that: The heat exchange plate (17) includes a substrate, on which a plurality of phase change material strips (23) are uniformly fixedly attached. One side of the phase change material strips (23) is heat-exchange disposed with the substrate, and the other side of the phase change material strips (23) is in contact with and heat-exchange disposed with the battery cell (15). The substrate is fixedly attached to the corresponding side plate (24).

6. A universal battery for engineering vehicles according to claim 1, characterized in that: The top of the cover plate (5) is hinged with two handles (6), which are symmetrically arranged.

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