Mobile charging device of electric forklift
The design of the housing, base, partitions, and sealing and insulation components solves the problems of large size and poor adaptability of mobile charging devices for electric forklifts, achieving a compact internal layout and efficient heat dissipation, thus improving environmental adaptability and installation convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU DUNENG NEW ENERGY CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-05-01
AI Technical Summary
Existing mobile charging devices for electric forklifts are complex in structure and large in size, making them difficult to adapt to and install in environments with limited space.
The design incorporates a cabinet, base, partitions, and sealing and insulation components, dividing the interior into a battery compartment and an electrical compartment. Combined with pulley blocks or fork slots, it facilitates movement and installation. The internal layout is compact and reasonable, and a water-cooling heat dissipation system is used to improve sealing and heat dissipation performance.
The overall size of the device has been reduced, its environmental adaptability and ease of installation have been improved, the stability and safety of the battery have been ensured, and its heat dissipation performance has been enhanced.
Smart Images

Figure CN224184126U_ABST
Abstract
Description
Electric forklift mobile charging device Technical Field
[0001] This utility model relates to the field of forklift charging technology, and more specifically, to a mobile charging device for electric forklifts. Background Technology
[0002] In the field of mobile charging devices for forklifts, the structural design is relatively complex and the overall size of the device is large, which leads to high space requirements for the charging site. As a result, in some work environments with limited space, such a large charging device is difficult to adapt to and install. Summary of the Invention
[0003] The purpose of this utility model is to provide a mobile charging device for electric forklifts, which has a simple structural design and a compact and reasonable internal layout, thereby reducing its overall size and improving its adaptability to the environment and ease of installation.
[0004] The embodiments of this utility model can be implemented as follows:
[0005] This utility model provides a mobile charging device for electric forklifts, which includes a housing, a base, a first partition, a second partition, a battery unit, an electrical unit, and a sealing and insulation component.
[0006] The housing includes a main frame, which is connected to the base, and the main frame has an inner cavity; a first partition and a second partition are arranged parallel to and spaced apart in the inner cavity, dividing the inner cavity into a battery compartment, a first electrical compartment and a second electrical compartment; the battery unit is placed in the battery compartment, and the electrical unit is placed in the first electrical compartment and the second electrical compartment;
[0007] The sealing and insulation components are located on the inner wall of the battery compartment.
[0008] In an optional embodiment, the battery unit includes at least one battery pack, and at least one battery track plate is disposed in the battery compartment. The battery track plate is connected to the main frame and is used to place the battery pack.
[0009] In an optional embodiment, the battery track plate includes a base plate and side plates located on both sides of the base plate, with a limiting foam plate installed on the inner side of the side plates.
[0010] In an optional embodiment, the battery track plate further includes a battery baffle connected to one end of the base plate or side plate, the battery baffle being used to abut against the battery pack on the battery track plate.
[0011] In an optional embodiment, the sealing and insulation component includes multiple insulation cotton boards distributed on various inner sides of the battery compartment and connected to the first partition or the main frame.
[0012] In an optional embodiment, the electric forklift mobile charging device also includes a monitoring element installed in the battery compartment for monitoring the temperature and humidity inside the battery compartment.
[0013] In an alternative implementation, the base is provided with a pulley system, a track system, or a fork slot.
[0014] In an optional implementation, the electrical unit includes a heat sink, a high-voltage box, a DC control box, an energy storage converter, and a DC converter.
[0015] The radiator, high-voltage box and DC control box are installed in the first electrical compartment, and the energy storage converter and DC converter are installed in the second electrical compartment.
[0016] In an optional embodiment, the first partition is provided with a first mounting position, a second mounting position and a third mounting position; the radiator, the high-voltage box and the DC control box are respectively mounted in the first mounting position, the second mounting position and the third mounting position; the second partition is provided with a fourth mounting position and a fifth mounting position, and the energy storage converter and the DC converter are respectively mounted in the fourth mounting position and the fifth mounting position.
[0017] The first mounting position has a through hole at its edge that connects the battery compartment to the first electrical compartment.
[0018] In an optional implementation, the radiator includes a cooling fan, a water chiller, and a water cooling pipe assembly;
[0019] The water chiller and the cooling fan are installed adjacent to each other in the first mounting position; the water cooling pipe assembly is connected to the water chiller and passes through the through hole to connect to the battery cell in the battery compartment.
[0020] The beneficial effects of the electric forklift mobile charging device provided in this embodiment of the utility model include:
[0021] This mobile charging device for electric forklifts includes a housing, a base, a first partition, a second partition, a battery unit, an electrical unit, and a sealing and insulation component. The housing includes a main frame connected to the base, and the main frame has an inner cavity. The first and second partitions are arranged parallel to each other and spaced apart in the inner cavity, dividing the inner cavity into a battery compartment, a first electrical compartment, and a second electrical compartment. The battery unit is placed in the battery compartment, and the electrical unit is placed in the first and second electrical compartments. The sealing and insulation component is located on the inner wall of the battery compartment. This mobile charging device for electric forklifts has a simple structural design and a compact and reasonable internal layout, which reduces its overall size and improves its environmental adaptability and ease of installation. Attached Figure Description
[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 is a schematic diagram of the structure of the electric forklift mobile charging device provided in this embodiment;
[0024] Figure 2 is a schematic diagram of the installation of the first partition and the second partition provided in this embodiment;
[0025] Figure 3 is a schematic diagram showing the locations of the battery compartment, the first electrical compartment, and the second electrical compartment provided in this embodiment;
[0026] Figure 4 is a schematic diagram of the installation of the battery unit and electrical unit provided in this embodiment from a first-view perspective;
[0027] Figure 5 is a schematic diagram of the installation of the electrical unit provided in this embodiment from a second perspective;
[0028] Figure 6 is a schematic diagram of the installation of the electrical unit provided in this embodiment from a third-view perspective;
[0029] Figure 7 is a schematic diagram showing the distribution of mounting positions on the second partition provided in this embodiment;
[0030] Figure 8 is a schematic diagram of the installation of the first partition provided in this embodiment;
[0031] Figure 9 is a schematic diagram showing the distribution of mounting positions on the first partition provided in this embodiment;
[0032] Figure 10 is a schematic diagram of the structure of the battery track plate provided in this embodiment.
[0033] Icons: 100-Mobile charging device for electric forklifts; 110-Box body; 120-Base; 130-First partition; 140-Second partition; 150-Battery unit; 160-Electrical unit; 111-Main frame; 112-Inner cavity; 113-Battery compartment; 114-First electrical compartment; 115-Second electrical compartment; 151-Battery pack; 152-Battery track plate; 153-Base plate; 154-Side plate; 155-Limiting foam plate; 156-Battery baffle; 161-Radiator; 162-High voltage box; 163-DC control box; 164-Energy storage converter; 165-DC converter; 131-First mounting position; 132-Second mounting position; 133-Third mounting position; 141-Fourth mounting position; 142-Fifth mounting position; 166-Cooling fan; 167-Water chiller; 168-Water cooling pipe assembly. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0036] 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 further defined and explained in subsequent figures.
[0037] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model.
[0038] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.
[0039] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.
[0040] Please refer to Figures 1-9. This embodiment provides a mobile charging device 100 for electric forklifts. The mobile charging device 100 for electric forklifts includes a housing 110, a base 120, a first partition 130, a second partition 140, a battery unit 150, an electrical unit 160, and a sealing and heat preservation component.
[0041] The housing 110 includes a main frame 111, which is connected to the base 120, and the main frame 111 has an inner cavity 112. A first partition 130 and a second partition 140 are arranged parallel to each other and spaced apart in the inner cavity 112, dividing the inner cavity 112 into a battery compartment 113, a first electrical compartment 114, and a second electrical compartment 115. A battery unit 150 is placed in the battery compartment 113, and an electrical unit 160 is placed in the first electrical compartment 114 and the second electrical compartment 115.
[0042] The sealing and insulation component is located on the inner wall of the battery compartment 113.
[0043] Please refer to Figures 1-9. The working principle of the electric forklift mobile charging device 100 is as follows:
[0044] First, the electric forklift mobile charging device 100 includes a housing 110, a base 120, a first partition 130, a second partition 140, a battery unit 150, an electrical unit 160, and a sealing and insulation component. The bottom of the electric forklift mobile charging device 100 is provided with a pulley system, a rail system, or a fork slot. The purpose is to enable it to move relative to the ground via rollers or rails, or to be transferred by inserting a forklift into the fork slot, thereby facilitating its movement according to the forklift's range of motion for charging the forklift.
[0045] When configuring the box 110, the box 110 includes a main frame 111, the main frame 111 is connected to the base 120, and the main frame 111 has an inner cavity 112; a door panel is provided on the outer periphery of the main frame 111, and the door frame can be welded and fixedly connected to the frame, or a movable door panel can be installed, the purpose of which is to form its internal space, that is, the inner cavity 112.
[0046] To optimize its internal structure, thereby reducing its overall volume and allowing for more rational routing of internal components, the first partition 130 and the second partition 140 are arranged parallel to each other and spaced apart in the inner cavity 112, dividing the inner cavity 112 into a battery compartment 113, a first electrical compartment 114, and a second electrical compartment 115. The battery unit 150 is placed in the battery compartment 113, and the electrical unit 160 is placed in the first electrical compartment 114 and the second electrical compartment 115. The sealing and insulation component is disposed on the inner wall of the battery compartment 113.
[0047] In summary, the electric forklift mobile charging device 100 has a simple structural design and a compact and reasonable internal layout, which reduces its overall size and improves its adaptability to the environment and ease of installation.
[0048] Moreover, the above-mentioned structural design simplifies the structure and makes the internal layout and wiring more reasonable, thereby reducing the overall structural volume. In addition, this design allows for the formation of a relatively independent battery compartment 113 within the inner cavity 112. The purpose of this design is to ensure the relative sealing of the battery compartment 113 during use, thereby improving its sealing and heat preservation properties, and thus enhancing the stability and safety of the battery unit 150 during use.
[0049] In addition, the above-mentioned structural design makes the arrangement of the components in the inner cavity 112 more compact, and its arrangement can facilitate the improvement of its overall heat dissipation performance, avoiding the situation where poor heat dissipation or heat leakage between components affects the working state.
[0050] Further referring to Figures 1-10, the battery unit 150 includes at least one battery pack 151, and at least one battery track plate 152 is disposed within the battery compartment 113. The battery track plate 152 is connected to the main frame 111 and is used to place the battery pack 151. In this embodiment, taking the configuration of two battery packs 151 as an example, the two battery track plates 152 can be arranged in parallel and spaced apart to facilitate the installation of the two battery packs 151. Furthermore, the battery track plate 152 includes a base plate 153 and side plates 154 located on both sides of the base plate 153. A limiting foam plate 155 is installed on the inner side of the side plate 154, thereby enabling the battery track plate 152 to protect the battery pack 151. In addition, in order to limit the insertion of the battery pack 151 so as to facilitate its quick installation, the battery track plate 152 also includes a battery baffle 156 connected to one end of the base plate 153 or the side plate 154. The battery baffle 156 is used to abut against the battery pack 151 on the battery track plate 152.
[0051] During battery operation, to monitor the temperature and humidity within the battery compartment 113, the electric forklift mobile charging device 100 also includes a monitoring element installed within the battery compartment 113. This monitoring element is used to monitor the temperature and humidity within the battery compartment 113. This configuration aims to detect any abnormal conditions in the battery compartment 113 in a timely manner, thereby ensuring the stable and safe use of the battery pack 151.
[0052] When configuring the aforementioned sealing and insulation components, the sealing and insulation assembly includes multiple insulation cotton boards, which are distributed on the inner sides of the battery compartment 113. This improves the sealing and insulation performance by placing insulation cotton boards on the various sides of the battery compartment 113. The aforementioned inner sides include its four sides and upper and lower end faces. When installing the insulation cotton boards, they can be connected to the first partition 130 or the main frame 111. In addition, when installing the insulation cotton boards, a mounting frame can be welded onto the main frame 111, and the insulation panel can be connected to the mounting frame. Alternatively, it can be glued to the first partition 130, or glued to the bottom plate 153 or side plate 154 of the main frame 111 to improve its sealing performance. It should be noted that a movable door is provided on at least one side of the main frame 111. Therefore, when configuring the movable door, a sealing ring can be added to the inside of the movable door to improve its sealing performance.
[0053] Further, referring to Figures 1-10, in this embodiment, it should be noted that when configuring the above-mentioned electrical unit 160 and battery pack 151, their specifications and models can be adaptively adjusted according to actual needs to adapt their performance and thus meet the needs of different users.
[0054] In this embodiment, the electrical unit 160 includes a heat sink 161, a high-voltage box 162, a DC control box 163, an energy storage converter 164, and a DC converter 165. The aforementioned high-voltage box 162, DC control box 163, energy storage converter 164, and DC converter 165 can be selected from the existing technology according to the usage requirements. Therefore, their structure and working principle will not be described in detail.
[0055] To facilitate replacement and installation between different specifications and models, thereby improving its flexibility of use, the radiator 161, high-voltage box 162, and DC control box 163 are installed in the first electrical compartment 114, while the energy storage converter 164 and DC converter 165 are installed in the second electrical compartment 115. That is, the layout is planned within the first and second electrical compartments 114 and 115. Based on this, a first mounting position 131, a second mounting position 132, and a third mounting position 133 are configured on the first partition 130; the radiator 161, high-voltage box 162, and DC control box 163 are respectively installed in the first mounting position 131, the second mounting position 132, and the third mounting position 133. 33; The second partition 140 is provided with a fourth mounting position 141 and a fifth mounting position 142, and the energy storage converter 164 and the DC converter 165 are respectively installed in the fourth mounting position 141 and the fifth mounting position 142; In this way, the reserved mounting positions can be configured on the first partition 130 and the second partition 140, so that the various components can be installed while maintaining their internal structural layout. That is, the structural setting of the first partition 130 and the second partition 140 in this device can not only optimize its internal layout, but also make the device more flexible and compatible, thereby reducing the cost of using and developing devices of different specifications and models;
[0056] To enable the radiator 161 to dissipate heat from the battery pack 151 located within the battery compartment 113, a through hole is provided at the edge of the first mounting position 131 to connect the battery compartment 113 with the first electrical compartment 114. In this embodiment, water cooling is employed to improve the heat dissipation performance of the device for the battery pack 151 while ensuring the airtightness of the battery compartment 113. Specifically, the radiator 161 includes a cooling fan 166, a water chiller 167, and a water-cooled pipe assembly 168. The water chiller 167 is installed adjacent to the cooling fan 166 at the first mounting position 131. The water-cooled pipe assembly 168 is connected to the water chiller 167 and, after passing through the through hole, connects to the battery unit 150 within the battery compartment 113.
[0057] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.
Claims
1. A mobile charging device for electric forklifts, characterized in that: The electric forklift mobile charging device includes a housing, a base, a first partition, a second partition, a battery unit, an electrical unit, and a sealing and insulation component. The housing includes a main frame connected to the base, and the main frame has an inner cavity. The first partition and the second partition are arranged parallel to and spaced apart in the inner cavity, dividing the inner cavity into a battery compartment, a first electrical compartment, and a second electrical compartment. The battery unit is placed in the battery compartment, and the electrical unit is placed in the first electrical compartment and the second electrical compartment. The sealing and insulation component is disposed on the inner wall of the battery compartment.
2. The electric forklift mobile charging device according to claim 1, characterized in that: The battery unit includes at least one battery pack, and at least one battery track plate is provided in the battery compartment. The battery track plate is connected to the main frame and is used to place the battery pack.
3. The electric forklift mobile charging device according to claim 2, characterized in that: The battery track plate includes a base plate and side plates located on both sides of the base plate, and a limiting foam plate is installed on the inner side of the side plates.
4. The electric forklift mobile charging device according to claim 3, characterized in that: The battery track plate also includes a battery baffle connected to one end of the base plate or the side plate, the battery baffle being used to abut against the battery pack on the battery track plate.
5. The electric forklift mobile charging device according to claim 1, characterized in that: The sealing and insulation component includes multiple insulation cotton boards, which are distributed on the inner sides of the battery compartment and connected to the first partition or the main frame.
6. The electric forklift mobile charging device according to claim 1, characterized in that: The electric forklift mobile charging device also includes a monitoring element installed in the battery compartment, which is used to monitor the temperature and humidity inside the battery compartment.
7. The electric forklift mobile charging device according to claim 1, characterized in that: The base is equipped with a pulley system, a track system, or a fork slot.
8. The electric forklift mobile charging device according to any one of claims 1-7, characterized in that: The electrical unit includes a radiator, a high-voltage box, a DC control box, an energy storage converter, and a DC converter; wherein the radiator, the high-voltage box, and the DC control box are installed in the first electrical compartment, and the energy storage converter and the DC converter are installed in the second electrical compartment.
9. The electric forklift mobile charging device according to claim 8, characterized in that: The first partition is provided with a first mounting position, a second mounting position and a third mounting position; the radiator, the high-voltage box and the DC control box are respectively mounted in the first mounting position, the second mounting position and the third mounting position; the second partition is provided with a fourth mounting position and a fifth mounting position, the energy storage converter and the DC converter are respectively mounted in the fourth mounting position and the fifth mounting position; wherein, the edge of the first mounting position is provided with a through hole that connects the battery compartment and the first electrical compartment.
10. The electric forklift mobile charging device according to claim 9, characterized in that: The radiator includes a cooling fan, a water chiller, and a water-cooling pipe assembly; the water chiller is installed adjacent to the cooling fan at the first mounting position; the water-cooling pipe assembly is connected to the water chiller and passes through the through hole to connect to the battery cell in the battery compartment.