Power supply protection structure for vehicle-mounted charging equipment

Abstract

The utility model relates to the technical field of vehicle-mounted power supplies, and particularly discloses a power supply protection structure for vehicle-mounted charging equipment, which comprises a roof box, the roof box comprises a roof box chassis and a roof box cover arranged at the top of the roof box chassis, the outer surface of the roof box chassis is provided with a power supply connector and a power supply socket, and the power supply connector is connected with the power supply socket. A ventilation hole is formed in the bottom of the roof box chassis; the built-in power supply is arranged in the roof box chassis, the built-in power supply comprises a plurality of liquid batteries, a power supply box and a display assembly, the liquid batteries, the power supply box and the display assembly are electrically connected, and the power supply connector and the power supply socket are electrically connected with the power supply box; through the arrangement of the protection assembly, the safety of an electric power system is remarkably improved, the stability of the built-in power supply after installation is ensured, meanwhile, the chemical stability of the liquid battery and the urethane foam is high, and the phenomenon that the built-in power supply burns during use is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle-mounted power supplies, and particularly relates to a power protection structure for a vehicle-mounted charging device. Background Technique

[0002] With the popularization of electric vehicles, as a key component for vehicle energy supply, vehicle-mounted charging devices facilitate users to connect to electric vehicles for charging at any time when needed, providing a convenient charging and power usage solution for users when they are out.

[0003] However, in actual applications, vehicle-mounted charging devices face various potential power risks, such as overcurrent, overvoltage, and overheating. These problems may damage the charging device and the vehicle, and even cause safety accidents. At the same time, since it has been moving with the movement of the vehicle, when the vehicle is driving on complex terrain, long-term shaking easily causes the power fixing parts inside the roof box to become loose, and there are certain limitations in use. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a power protection structure for a vehicle-mounted charging device to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A power protection structure for a vehicle-mounted charging device, comprising:

[0007] A roof box, the roof box includes a roof box chassis and a roof box cover arranged on the top of the roof box chassis. A power connector and a power socket are arranged on the outer surface of the roof box chassis, and ventilation holes are opened at the bottom of the roof box chassis;

[0008] An internal power supply, arranged inside the roof box chassis, the internal power supply includes a plurality of liquid batteries, a power supply box, and a display component. The liquid batteries, the power supply box, and the display component are electrically connected, and both the power connector and the power socket are electrically connected to the power supply box;

[0009] A protection component, arranged inside the roof box chassis, the protection component includes a plurality of buffer blocks, and the plurality of buffer blocks are located around the liquid batteries for protecting the liquid batteries.

[0010] Preferably, the protection component further includes a plurality of limiting plates. A clamping groove and a clamping block are respectively arranged on both sides of each limiting plate, and adjacent two limiting plates are mutually clamped through the clamping groove and the clamping block.

[0011] Preferably, a plurality of battery positioning holes are formed in the top of the limiting plate. The battery positioning holes are used to frame the liquid battery, and the shape of the battery positioning holes is the same as that of the liquid battery.

[0012] Preferably, mounting holes are formed at both ends of the limiting plate. A plurality of threaded posts corresponding to the positions of the mounting holes are fixedly installed inside the chassis of the roof box. A limiting nut is threadedly installed on the outer surface of the threaded post.

[0013] Preferably, a battery placement hole is arranged inside the buffer block. The battery placement hole is used to frame the liquid battery, and the shape of the battery placement hole is the same as that of the liquid battery. Reserved grooves are arranged around the buffer block.

[0014] Preferably, a plurality of transverse grooves are formed on both sides of a plurality of the buffer blocks. The plurality of transverse grooves together form a plurality of heat dissipation air ducts. A plurality of heat dissipation holes are further formed in the top of the limiting plate, and the heat dissipation holes are located above the reserved grooves.

[0015] Preferably, the buffer block is made of one or several of cellulose foam, polystyrene foam, polyethylene foam and polyurethane foam.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] (1) Through the arrangement of the protection component, the safety of the power system is significantly improved, the stability of the built-in power supply after installation is ensured, the installation is more convenient. At the same time, the liquid battery and the urethane foam have strong chemical stability, preventing the phenomenon of combustion of the built-in power supply during use. It is manufactured with high-reliability materials and advanced technology, has good mechanical properties and electrical properties, and can still maintain a stable working state under harsh environmental conditions, thereby improving the reliability of the entire power system.

[0018] (2) Through the arrangement of the transverse grooves, the reserved grooves and the heat dissipation holes, it helps to manage the heat energy level inside the shell and keep it relatively cool inside, effectively alleviating the phenomenon of overheating of the built-in power supply, keeping its temperature within a certain range during use, and further preventing the phenomenon of battery combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is one of the three-dimensional views of the utility model;

[0020] Figure 2 is the second three-dimensional view of the utility model;

[0021] Figure 3 is the exploded view of the utility model;

[0022] Figure 4 is Figure 3Enlarged view of the structure at A in the [specific object];

[0023] In the figure: 1. Roof box chassis; 2. Roof box cover; 3. Liquid battery; 4. Power supply box; 5. Display component; 6. Buffer block; 7. Limiting plate; 8. Card slot; 9. Card block; 10. Battery positioning hole; 11. Mounting hole; 12. Threaded post; 13. Limiting nut; 14. Battery placement hole; 15. Reserved groove; 16. Horizontal groove; 17. Heat dissipation hole. Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1:

[0026] Please refer to Figures 1-4 As shown, a power protection structure for an in-vehicle charging device includes:

[0027] A roof box, which includes a roof box chassis 1 and a roof box cover 2 provided on the top of the roof box chassis 1. A power connector and a power socket are provided on the outer surface of the roof box chassis 1, and ventilation holes are opened at the bottom of the roof box chassis 1;

[0028] An internal power supply, which is arranged inside the roof box chassis 1. The internal power supply includes a plurality of liquid batteries 3, a power supply box 4 and a display component 5. The liquid batteries 3, the power supply box 4 and the display component 5 are electrically connected, and both the power connector and the power socket are electrically connected to the power supply box 4.

[0029] A protection component, which is arranged inside the roof box chassis 1. The protection component includes a plurality of buffer blocks 6. The plurality of buffer blocks 6 are located around the liquid battery 3 and are used to protect the liquid battery 3.

[0030] In an embodiment of this solution, the protection component further includes a plurality of limiting plates 7. A card slot 8 and a card block 9 are respectively arranged on both sides of each limiting plate 7. Adjacent two limiting plates 7 are mutually clamped through the card slot 8 and the card block 9;

[0031] In an embodiment of this solution, a plurality of battery positioning holes 10 are opened at the top of the limiting plate 7. The battery positioning holes 10 are used to frame the liquid battery 3, and the shape of the battery positioning holes 10 is the same as the shape of the liquid battery 3.

[0032] In an embodiment of the present solution, mounting holes 11 are provided at both ends of the limit plate 7. A number of threaded posts 12 corresponding to the positions of the mounting holes 11 are fixedly installed inside the roof box chassis 1, and a limit nut 13 is threadedly installed on the outer surface of the threaded post 12.

[0033] In an embodiment of the present solution, a battery placement hole 14 is provided inside the buffer block 6. The battery placement hole 14 is used to enclose the liquid battery 3. The shape of the battery placement hole 14 is the same as the shape of the liquid battery 3, and reserved grooves 15 are provided on all four sides of the buffer block 6.

[0034] In an embodiment of the present solution, a number of horizontal grooves 16 are provided on both sides of a number of buffer blocks 6. The a number of horizontal grooves 16 together form a number of heat dissipation air ducts. A number of heat dissipation holes 17 are further provided at the top of the limit plate 7, and the heat dissipation holes 17 are located above the reserved grooves 15.

[0035] In an embodiment of the present solution, the material of the buffer block 6 is one or several of cellulose foam, polystyrene foam, polyethylene foam, and polyurethane foam.

[0036] As can be seen from the above, during the installation process, first arrange a number of buffer blocks 6, place the liquid battery 3 inside the battery placement hole 14 on the buffer block 6, then place a number of limit plates 7 on the liquid battery 3 so that the battery positioning holes 10 enclose the liquid battery 3. The mounting holes 11 on each limit plate 7 are all penetrated by the threaded posts 12, and then a limit nut 13 is installed on the threaded post 12. Rotate the limit nut 13 until it abuts against the limit plate 7, thereby completing the assembly of the built-in power supply and ensuring the stability of the liquid battery 3. Finally, electrically connect the liquid battery 3, the power supply box 4, the display component 5, the power supply connector, and the power supply socket;

[0037] During use, the liquid battery 3 discharges and charges through the power supply box 4 from the power supply connector and the power supply socket. At the same time, the display component 5 collects the state inside the built-in power supply and displays the data. The horizontal grooves 16 on the buffer block 6 form air ducts, which cooperate with the heat dissipation holes 17 at the limit plate 7 above the reserved grooves 15 to effectively dissipate the heat generated by the liquid battery 3 during use.

[0038] In the above content, the liquid battery, also known as the liquid cell, is a device that directly converts chemical energy into electrical energy. It uses a liquid electrolyte as a medium and has a high specific energy and a high discharge rate: The liquid battery can provide a high energy density and a fast discharge ability; long life: Due to its unique design and the materials used, the liquid battery usually has a long service life; environmental protection: Many types of flow batteries such as vanadium flow batteries are environmentally friendly and efficient energy storage solutions; high efficiency and low cost: The liquid battery usually has high efficiency and relatively low production and operation costs.

[0039] The display component 5 includes an electronic display screen and a controller module, and the controller module is responsible for interacting with the communication module of the electric vehicle. Through CAN communication or other in-vehicle network communication protocols, it can receive and send data in real time to ensure the coordinated operation between the backup battery and the traction battery pack;

[0040] The controller module can monitor the status of the backup battery and the traction battery pack in real time, including key parameters such as power, temperature, charging rate, etc., and display the key parameters through the electronic display screen. At the same time, based on these data, the module can make intelligent decisions;

[0041] The controller module is built-in with multiple safety protection mechanisms, such as overcharge protection, over-discharge protection, abnormal temperature protection, etc., to ensure that the power supply can be cut off in time under any abnormal conditions to prevent battery damage or safety accidents.

[0042] All standard parts used in this utility model can be purchased from the market. Special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, it will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0043] In the description of this utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "plurality" is two or more, unless otherwise specifically defined.

[0044] In this utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0045] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower horizontal height than the second feature.

[0046] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "examples", "specific examples" or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not have to be directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0047] In the drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved, and other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0048] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A power supply protection structure for a vehicle-mounted charging device, characterized in that: include: A roof box, the roof box comprising a roof box chassis (1) and a roof box cover (2) arranged on the top of the roof box chassis (1), a power connector and a power socket are arranged on the outer surface of the roof box chassis (1), and a ventilation hole is opened at the bottom of the roof box chassis (1); A built-in power source is arranged inside the roof box chassis (1), the built-in power source comprises a plurality of liquid batteries (3), a power box (4) and a display assembly (5), the liquid batteries (3), the power box (4) and the display assembly (5) are electrically connected, and the power connector and the power socket are both electrically connected to the power box (4); A protection component is arranged inside the roof box chassis (1), and the protection component comprises a plurality of buffer blocks (6). The plurality of buffer blocks (6) are located around the liquid battery (3) and are used to protect the liquid battery (3).

2. A power supply protection structure for a vehicle-mounted charging device according to claim 1, characterized in that: The protection assembly further comprises a plurality of limit plates (7), each of the limit plates (7) being provided with a clamping slot (8) and a clamping block (9) on both sides thereof, and two adjacent limit plates (7) being clamped to each other via the clamping slot (8) and the clamping block (9).

3. The power supply protection structure for vehicle-mounted charging equipment according to claim 2, characterized in that: A plurality of battery positioning holes (10) are provided on the top of the limiting plate (7), and the battery positioning holes (10) are used to frame the liquid battery (3), and the shape of the battery positioning holes (10) is the same as that of the liquid battery (3).

4. The power supply protection structure for vehicle-mounted charging equipment according to claim 2, characterized in that: Both ends of the limit plate (7) are provided with mounting holes (11); a plurality of threaded columns (12) corresponding to the positions of the mounting holes (11) are fixedly mounted inside the roof box chassis (1); and limit nuts (13) are threadedly mounted on the outer surfaces of the threaded columns (12).

5. The power supply protection structure for vehicle-mounted charging equipment according to claim 1, characterized in that: A battery placement hole (14) is provided inside the buffer block (6), and the battery placement hole (14) is used to frame the liquid battery (3). The shape of the battery placement hole (14) is the same as that of the liquid battery (3). Reserved grooves (15) are provided around the buffer block (6).

6. The power supply protection structure for vehicle-mounted charging equipment according to claim 2, characterized in that: A plurality of transverse grooves (16) are provided on both sides of the plurality of buffer blocks (6), and the plurality of transverse grooves (16) together form a plurality of heat dissipation ducts. A plurality of heat dissipation holes (17) are also provided on the top of the limit plate (7), and the heat dissipation holes (17) are located above the reserved grooves (15).

7. The power supply protection structure for vehicle-mounted charging equipment according to claim 1, characterized in that: The material of the buffer block (6) is one or more of cellulose foam, polystyrene foam, polyethylene foam and polyurethane foam.

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