Battery and electrical devices for forklifts

Abstract

This utility model provides a battery device and electrical device for forklifts. The battery device includes: a housing, the housing having a first accommodating space and a second accommodating space along a first direction, the first accommodating space including a first battery compartment, and the second accommodating space having a second battery compartment and an electrical compartment along a second direction; the housing having a first opening in a third direction, the first direction being the height direction, the second direction being the length direction, and the third direction being the width direction; multiple battery modules, the multiple battery modules being disposed within the battery compartment, the battery compartment including the first battery compartment and the second battery compartment; electrical components, the electrical components being disposed within the electrical compartment, the electrical components being electrically connected to the battery modules; and a first sealing plate, the first sealing plate being detachably disposed at the first opening to close the first opening. The battery device for forklifts according to this utility model occupies less vertical space and has high safety.

Description

Technical Field

[0001] This utility model relates to the field of new energy batteries, and more specifically, to a battery device and an electrical device for forklifts. Background Technology

[0002] The battery pack provides electrical power to the forklift, enabling it to operate. The battery pack includes a battery unit, which in turn includes battery modules and electrical components.

[0003] When existing battery devices include multiple battery modules, the battery modules are usually stacked one on top of the other, with electrical components stacked directly on top of the topmost battery module. This occupies a large amount of height space, and the electrical components are easily affected by the battery modules (due to squeezing, collision, friction, etc.), resulting in lower safety. Utility Model Content

[0004] This utility model provides a new technical solution for a battery device and electrical device for forklifts, which can at least solve the problems of large height space occupation and low safety in the prior art.

[0005] According to this utility model, in one aspect, a battery device for a forklift is provided, the battery device comprising:

[0006] The enclosure has a first accommodating space and a second accommodating space formed along a first direction. The first accommodating space includes a first battery compartment. The second accommodating space has a second battery compartment and an electrical compartment formed along a second direction. The enclosure has a first opening in a third direction, where the first direction is the height direction, the second direction is the length direction, and the third direction is the width direction.

[0007] Multiple battery modules are disposed in a battery compartment, the battery compartment including a first battery compartment and a second battery compartment;

[0008] An electrical component, disposed within the electrical compartment, is electrically connected to the battery module;

[0009] A first sealing plate is detachably disposed at the first opening to close the first opening.

[0010] Furthermore, the electrical components are disposed on the inner wall of the electrical compartment.

[0011] Furthermore, the battery device also includes:

[0012] A partition is located at the junction of the first accommodating space and the second accommodating space in the first direction; the partition serves as the bottom surface of the second battery compartment and is used to support the battery module inside the second battery compartment.

[0013] Furthermore, the electrical compartment is located above the battery compartment.

[0014] Furthermore, the number of battery modules is two.

[0015] Furthermore, the battery device also includes:

[0016] The first frame is disposed on the outside of the first sealing plate and located near the first opening of the first sealing plate. The first frame, the first sealing plate and the box body are fastened together by the first fastener.

[0017] Furthermore, the housing has a second opening in the first direction shown, and the battery device further includes:

[0018] A second sealing plate is detachably disposed at the second opening to close the second opening.

[0019] Furthermore, the battery device also includes:

[0020] The second frame is disposed on the outside of the second sealing plate and located near the second opening of the second sealing plate. The second frame, the second sealing plate and the box body are fastened together by the second fastener.

[0021] Furthermore, the electrical components include a positive electrode assembly and a negative electrode assembly, and the battery device further includes:

[0022] A positive output interface and a first connecting line are provided. The positive output interface is located on the outside of the housing and is connected to the positive component by passing through the second sealing plate via the first connecting line.

[0023] A negative output interface and a second connecting line are provided. The negative output interface is located on the outside of the housing, and the second connecting line passes through the second sealing plate to connect to the negative component.

[0024] Furthermore, the electrical component includes:

[0025] A battery management system is connected to the battery module via signal lines.

[0026] According to the present invention, in another aspect, an electrical device is provided, which is connected to a battery device for operation powered by the battery device, wherein the battery device is any of the battery devices described above.

[0027] According to the present invention, a battery device for a forklift comprises multiple battery modules arranged in a battery compartment along the height direction within a housing. Electrical components are arranged in an electrical compartment located in front of or behind the battery compartment within the housing. The electrical components are isolated from the battery modules, rather than stacked together, which reduces the impact of the battery modules on the electrical components (such as squeezing, collision, and friction between the battery modules and electrical components), increasing safety. Furthermore, arranging the electrical components in front of or behind the battery modules, rather than on top of them, reduces the height space required for the battery device. The housing has at least one first opening on its left or right side, and a first sealing plate detachably closes the first opening, facilitating the assembly and disassembly of the battery modules and electrical components.

[0028] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0029] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0030] Figure 1 This is a structural diagram of a battery device for a forklift according to an embodiment of the present invention;

[0031] Figure 2 This is a structural diagram of the box and partition according to an embodiment of the present utility model;

[0032] Figure 3 yes Figure 1 The diagram shows the structure of the battery unit for forklifts with the first cover removed.

[0033] Figure label:

[0034] 100. Battery module; 210. Housing; 211. Second opening; 212. First opening; 213. Electrical compartment; 214. Battery compartment; 215. Separator; 220. First sealing plate; 230. Second sealing plate; 240. First frame; 250. Second frame; 310. Positive electrode assembly; 320. Negative electrode assembly; 330. Battery management system; 410. Negative output interface; 420. Positive output interface. Detailed Implementation

[0035] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0036] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0037] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0038] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0039] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0040] The battery device for a forklift according to an embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

[0041] like Figures 1 to 3 As shown, the battery device for a forklift according to an embodiment of the present invention includes a housing 210, a plurality of battery modules 100, electrical components, and a first sealing plate 220.

[0042] First, let's describe the housing 210. The housing 210 has a first accommodating space and a second accommodating space along a first direction. The first accommodating space includes a first battery compartment. The second accommodating space has a second battery compartment and an electrical compartment along a second direction. The housing 210 has a first opening 212 in a third direction. The first direction is the height direction, the second direction is the length direction, and the third direction is the width direction.

[0043] like Figure 1 As shown, the up-down direction is the first direction, the front-back direction is the second direction, and the left-right direction is the third direction. See the attached diagram for further details. Figure 1 .

[0044] like Figure 2 and Figure 3 As shown, the housing 210 has a first opening 212 on its left side, through which the battery module 100 and electrical components can be easily disassembled and assembled.

[0045] Next, multiple battery modules 100 will be described. The battery modules 100 are disposed within a battery compartment 214, which includes a first battery compartment and a second battery compartment. The multiple battery modules 100 are arranged vertically. The battery modules 100 may include two, three, four, etc. The battery modules 100 may include sodium-ion cells or lithium-ion cells.

[0046] like Figure 3As shown, two battery modules 100 are arranged vertically and are both located in the battery compartment 214 of the housing 210.

[0047] Next, the electrical components will be described. The electrical components are located inside the electrical compartment 213 and are electrically connected to the battery module 100.

[0048] like Figure 3 As shown, the electrical components are located in the electrical compartment 213 at the rear of the housing 210, which is isolated from the battery module 100 rather than stacked with it. This reduces the impact of the battery module 100 on the electrical components and increases safety. Furthermore, the electrical components are located at the front or rear of the battery module 100, rather than on top of it, which reduces the height space required for the battery device.

[0049] Finally, the first sealing plate 220 is described. The first sealing plate 220 is detachably disposed at the first opening 212 to close the first opening 212.

[0050] like Figure 1 The first sealing plate 220 closes the first opening 212 with fasteners (bolts / nuts), which facilitates the disassembly and assembly of the battery module 100 and electrical components.

[0051] The battery device for forklifts described above includes multiple battery modules 100 arranged in a battery compartment 214 along the height direction within a housing 210. Electrical components are housed in electrical compartments 213 located in front of or behind the battery compartment 214 within the housing 210. The electrical components are isolated from the battery modules 100, rather than stacked with them, reducing the impact of the battery modules 100 on the electrical components (such as compression, collision, and friction between the battery modules and electrical components), thus increasing safety. Furthermore, locating the electrical components in front of or behind the battery modules 100, rather than on top of them, reduces the height space required for the battery device. The housing 210 has a first opening 212 formed at least on its left or right side. A first sealing plate 220 detachably closes the first opening 212, facilitating the assembly and disassembly of the battery modules 100 and the electrical components.

[0052] In some embodiments of this utility model, electrical components are disposed on the inner wall of the electrical compartment 213.

[0053] like Figure 3 As shown, electrical components are suspended on the inner wall of the electrical compartment 213 of the housing 210 and fixed in place, ensuring that the electrical components do not occupy too much space and that the fixing of the electrical components is more stable.

[0054] In some embodiments of this utility model, the battery device further includes a separator 215. The separator 215 is disposed inside the housing 210, and is located at the junction of the first accommodating space and the second accommodating space in the first direction. The separator 215 serves as the bottom surface of the second battery compartment and is used to support the battery module 100 inside the second battery compartment.

[0055] like Figure 3 As shown, the partition 215 is installed inside the housing 210 at the junction of the first accommodating space and the second accommodating space. It supports the battery module 100 in the second battery compartment, reduces the mutual influence (squeezing, collision, friction, etc.) between the battery module 100 in the first battery compartment and the battery module 100 in the second battery compartment, and further increases safety.

[0056] In some embodiments of this utility model, the electrical compartment 213 is located above the battery compartment 214.

[0057] like Figure 2 As shown, the electrical compartment 213 is located above the battery compartment 214 (i.e., at the rear upper part of the battery compartment 214), and the housing 210 is inverted "L" shape, which can reduce the space occupied by the lower part of the battery device.

[0058] In some embodiments of this utility model, the battery device further includes a first frame 240. The first frame 240 is disposed on the outside of the first sealing plate 220 and located near the first opening 212 of the first sealing plate 220. The first frame 240, the first sealing plate 220 and the housing 210 are fastened together by a first fastener.

[0059] like Figures 1 to 3 The first fastener includes a first bolt and a first nut. The first bolt passes through the first frame 240, the first sealing plate 220, and the housing 210, and is threadedly connected to the first nut. The first frame 240 increases the strength of the connection between the first sealing plate 220 and the housing 210, making the connection between the first sealing plate 220 and the housing 210 more stable.

[0060] In some embodiments of this utility model, the housing 210 is provided with a second opening 211 in a first direction, and the battery device further includes a second sealing plate 230. The second sealing plate 230 is detachably disposed at the second opening 211 to close the second opening 211.

[0061] like Figure 1 and Figure 2 As shown, a second opening 211 is formed on the top of the housing 210, and a second sealing plate 230 closes the second opening 211. The second opening 211 facilitates the maintenance of the battery device.

[0062] Furthermore, the battery device also includes a second frame 250. The second frame 250 is disposed on the outside of the second cover plate 230 and located near the second opening 211 of the second cover plate 230. The second frame 250, the second cover plate 230 and the housing 210 are fastened together by a second fastener.

[0063] like Figures 1 to 3 The second fastener includes a second bolt and a second nut. The second bolt passes through the second frame 250, the second sealing plate 230, and the housing 210, and is threadedly connected to the second nut. The second frame 250 increases the strength of the connection between the second sealing plate 230 and the housing 210, making the connection between the second sealing plate 230 and the housing 210 more stable.

[0064] In some embodiments of this utility model, the electrical components include a positive electrode component 310 and a negative electrode component 320, and the battery device further includes a positive electrode output interface 420, a first connecting line, a negative electrode output interface 410, and a second connecting line. The positive electrode output interface 420 is located on the outside of the housing 210 and is connected to the positive electrode component 310 through the first connecting line passing through the second sealing plate 230; the negative electrode output interface 410 is located on the outside of the housing 210 and is connected to the negative electrode component 320 through the second connecting line passing through the second sealing plate 230.

[0065] like Figure 3 As shown, the positive terminal of the battery module 100 is connected to the positive output interface 420 via a first connecting wire, and the negative terminal of the battery module 100 is connected to the negative output interface 410 via a second connecting wire. The positive output interface 420 and the negative output interface 410 facilitate the battery device to supply power to the outside world and also facilitate external charging of the battery device. Furthermore, both the positive output interface 420 and the negative output interface 410 are located on the outside of the housing 210, facilitating connection to the outside environment.

[0066] In some embodiments of this invention, the electrical components further include a battery management system 330. The battery management system 330 is connected to the battery module 100 via signal lines.

[0067] like Figure 3 As shown, the battery management system 330 (BMS) enables intelligent management and status monitoring of the battery module 100.

[0068] The electrical device of this utility model will be described below.

[0069] The electrical device is connected to the battery device for operation powered by the battery device, which is any of the aforementioned battery devices.

[0070] Although specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A battery arrangement for a fork lift truck, characterized in that The battery device includes: The enclosure (210) has a first accommodating space and a second accommodating space formed along a first direction. The first accommodating space includes a first battery compartment, and the second accommodating space has a second battery compartment and an electrical compartment (213) formed along a second direction. The enclosure (210) has a first opening (212) formed in a third direction. The first direction is the height direction, the second direction is the length direction, and the third direction is the width direction. Multiple battery modules (100) are disposed in a battery compartment (214), the battery compartment (214) including a first battery compartment and a second battery compartment; An electrical component is disposed within the electrical compartment (213) and is electrically connected to the battery module (100). A first sealing plate (220) is detachably disposed at the first opening (212) to close the first opening (212).

2. The battery arrangement for a fork truck of claim 1, wherein, The electrical components are disposed on the inner wall of the electrical compartment (213).

3. The battery arrangement for a fork truck of claim 1, wherein, The battery device also includes: A partition (215) is disposed inside the housing (210). The partition (215) is located at the junction of the first accommodating space and the second accommodating space in the first direction. The partition (215) serves as the bottom surface of the second battery compartment and is used to support the battery module (100) inside the second battery compartment.

4. The battery arrangement for a fork truck of claim 1, wherein, The battery device also includes: The first frame (240) is disposed on the outside of the first sealing plate (220) and located near the first opening (212) of the first sealing plate (220). The first frame (240), the first sealing plate (220) and the box body (210) are fastened together by the first fastener.

5. The battery arrangement for a fork truck of claim 1, wherein, The housing (210) has a second opening (211) in the first direction, and the battery device further includes: A second sealing plate (230) is detachably disposed at the second opening (211) to close the second opening (211).

6. The battery arrangement for a fork truck of claim 5, wherein, The battery device also includes: The second frame (250) is disposed on the outside of the second sealing plate (230) and located near the second opening (211) of the second sealing plate (230). The second frame (250), the second sealing plate (230) and the box body (210) are fastened together by the second fastener.

7. The battery arrangement for a fork truck of claim 6, wherein, The electrical components include a positive electrode assembly (310) and a negative electrode assembly (320), and the battery device further includes: A positive output interface (420) and a first connecting line, wherein the positive output interface (420) is disposed on the outside of the housing (210), and the first connecting line passes through the second sealing plate (230) and is connected to the positive component (310); The negative output interface (410) and the second connecting line are provided. The negative output interface (410) is located on the outside of the housing (210) and is connected to the negative assembly (320) through the second sealing plate (230) via the second connecting line.

8. The battery arrangement for a fork truck of claim 1, wherein, The electrical components include: A battery management system (330) is connected to the battery module (100) via a signal line.

9. An electrical device, characterized in that, The electrical device is connected to a battery device for operation powered by the battery device, wherein the battery device is the battery device according to any one of claims 1 to 8.

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