WO2023231536A1 - Battery replacement protective cover and electric vehicle - Google Patents

Abstract

The present invention relates to the technical field of electric vehicles, and provided is a battery replacement protective cover. The battery replacement protective cover is mounted on an electric vehicle. The battery replacement protective cover comprises a protective cover body (1) and a first connecting assembly (2). The protective cover body (1) is provided with a protection chamber (11), and the protection chamber (11) is used to accommodate a battery pack mounted on the electric vehicle. The first connecting assembly (2) is disposed on the protective cover body, and the first connecting assembly (2) is used to connect the protective cover body to the electric vehicle. According to the configuration of the battery replacement protective cover, the battery pack can be prevented from being contaminated by mud, water, or other foreign matter. Especially when the vehicle is traveling, the battery pack is prone to being hit by foreign matter due to the speed of the vehicle being fast. The battery replacement protective cover can prevent foreign matter from hitting the battery pack, so as to prevent damage to the battery pack, thereby ensuring the service life of the battery pack, and further improving the traveling safety of the electric vehicle. The present invention further relates to an electric vehicle.

Description

Battery replacement shields and electric vehicles

This application claims priority from Chinese patent application 2022106135187 with a filing date of May 31, 2022. This application cites the full text of the above-mentioned Chinese patent application.

Technical field

The invention relates to the technical field of electric vehicles, and in particular to a battery replacement shield and an electric vehicle.

Background technique

In recent years, new energy vehicles have developed rapidly. Electric vehicles that rely on batteries as driving energy have the advantages of zero emissions and low noise. The market share and frequency of use of electric vehicles are also increasing. At present, electric commercial vehicles in electric vehicles, such as electric heavy trucks and electric light trucks, have gradually begun to appear in their respective application scenarios. At the same time, battery swap stations for battery pack replacement of electric trucks have also been built.

At present, the battery packs of electric vehicles are all exposed to the electric vehicle. This arrangement makes the battery packs easily immersed in rainwater and contaminated and impacted by foreign objects. Especially during the driving process of electric vehicles, they are more susceptible to debris. impact, and the impact is stronger. The above situations will cause varying degrees of damage to the battery pack, affecting the service life of the battery pack and the normal driving of the electric vehicle.

Contents of the invention

The technical problem to be solved by the present invention is to provide a battery replacement shield and an electric vehicle in order to overcome the defects in the prior art that the battery pack of an electric vehicle lacks a corresponding protective structure and is susceptible to foreign matter contamination and accidental impact.

The present invention solves the above technical problems through the following technical solutions:

A power exchange shield is installed on an electric vehicle. The power exchange shield includes:

The shield body has a protective chamber, and the protective chamber is used to accommodate the battery pack installed on the electric vehicle;

A first connection component is provided on the shield body, and the first connector set is used to connect the shield body to the electric vehicle.

In this solution, the protective chamber of the shield body is used to accommodate the battery pack of the electric vehicle, so that the shield body can effectively protect the battery pack; the first connection component connects the shield body to the electric vehicle, ensuring the protection The firmness and stability of the connection between the cover body and the electric vehicle. The setting of the battery replacement guard can prevent the battery pack from being contaminated by mud, water or other foreign objects. Especially during the driving of the vehicle, due to the high speed of the vehicle, the battery pack is easily contaminated by foreign objects. In the event of impact, the battery replacement shield can prevent foreign objects from impacting the battery pack, avoid damage to the battery pack, ensure the service life of the battery pack, and thereby improve the driving safety of electric vehicles.

Preferably, the shield body includes an upper cover plate assembly, the upper cover plate assembly is covered on the upper side of the battery pack, the upper cover plate assembly includes an upper cover plate and an upper shield frame, and the upper cover plate assembly includes an upper cover plate and an upper shield frame. The shield frame includes a plurality of cross-beams and longitudinal beams connected in a staggered manner, and the upper cover plate is connected to the outer surfaces of the cross-beams and the longitudinal beams.

In this solution, the upper cover plate assembly protects the battery pack above the battery pack. The upper cover plate can prevent mud, water or other foreign objects above the battery pack from contaminating the battery pack, and at the same time prevent falling objects from hitting the battery pack; The shield frame can provide stable support to the upper cover plate, improve the strength and impact resistance of the upper cover plate assembly, and thereby improve the protection performance of the battery pack.

Preferably, the shield body further includes side cover plate assemblies, the side cover plate assemblies are respectively surrounding both sides of the battery pack, and the side cover plate assemblies are opposite to the upper cover plate assembly. Connecting and surrounding the protective chamber, the side cover panel assembly includes a side cover panel and a side cover frame. The side cover frame includes a number of staggered side columns and side beams. The upper end of the side pillar is connected to the upper guard frame, the lower end of the side pillar is connected to the side beam, and the side cover plate is connected to the outer surface of the side pillar and the side beam.

In this solution, the side cover components can protect the battery pack on both sides of the battery pack. The side covers can prevent mud, water or other foreign objects on the sides of the battery pack from contaminating the battery pack, and at the same time prevent flying in. Foreign objects hit the battery pack; the side shield frame can provide stable support to the side shield plates, improve the strength and impact resistance of the side shield plate components, and thereby improve the protection performance of the battery pack.

Preferably, the shield body further includes a first reinforcement member, one end of the first reinforcement member is connected to the upper shield frame, and the other end of the first reinforcement member is connected to the side shield frame. ;

and / or,

The shield body further includes a fourth reinforcement member, the fourth reinforcement member is provided between the side pillar and the upper shield frame, and/or the fourth reinforcement member is provided on the side pillar. and between the side beams.

In this solution, the first reinforcing member is connected between the upper shield frame and the side shield frame, which can strengthen the connection between the upper shield frame and the side shield frame, making the connection between the two stronger, and thus Strengthen the overall structural strength of the power exchange shield; when the fourth reinforcement is provided between the side pillar and the upper shield frame, a triangular structure is formed between the side pillar, the upper shield frame and the first reinforcement, which has better Stability; when the fourth reinforcing member is provided between the side column and the side beam, the connection between the side column and the side beam can be strengthened, and the overall structural strength of the side cover panel assembly can be enhanced.

Preferably, the first connection component includes a fixedly connected horizontal connection plate and a vertical connection plate, the vertical connection plate is connected to the electric vehicle, and the horizontal connection plate is connected to the inner side of the shield body. .

In this solution, the vertical connecting plate of the first connecting component can be easily connected with the installation part of the electric vehicle (such as the longitudinal beams), saving space and making the connection firm; the horizontal connecting plate of the first connecting component is connected to the inner side of the shield body, and the horizontal connecting plate can fit with the inner side of the shield body, making it easy to connect and the connection is firm.

Preferably, the first connection component further includes a second reinforcement member, one side of the second reinforcement member is connected to the vertical connection plate, and the other side of the second reinforcement member is connected to the shield body.

In this solution, both ends of the second reinforcing member are respectively connected to the vertical connecting plate and the shield body, which strengthens the connection strength between the first connecting component and the shield body and improves the reliability of the connection between the two.

Preferably, the number of the first connection components is multiple, and the plurality of first connection components are arranged at intervals, and an avoidance space is formed between adjacent first connection components.

In this solution, the arrangement of multiple first connection components can further strengthen the connection between the shield body and the electric vehicle, and improve the firmness of the installation of the battery replacement shield; an avoidance space is left between the multiple first connection components. It is convenient for the battery replacement shield to be installed to avoid the quick-change bracket, locking mechanism and other parts of the electric vehicle during installation.

Preferably, the battery replacement shield further includes a protective structure surrounding a side of the battery pack close to the front of the electric vehicle, and the protective structure is in contact with the electric vehicle and/or the electric vehicle. The protective cover body connection;

And/or, the battery replacement shield also includes a rear side cover plate, the rear side cover plate is surrounded by a side of the battery pack close to the rear of the electric vehicle, and the rear side cover plate is connected to the rear side cover plate. The electric vehicle and/or the shield body are connected.

In this solution, the protective structure protects the battery pack in front of the battery pack, which can prevent mud, water or other foreign objects in front of the battery pack from contaminating the battery pack, and at the same time prevent flying foreign objects from hitting the battery pack; the rear side cover plate Protecting the battery pack behind the battery pack can prevent mud, water or other foreign objects behind the battery pack from contaminating the battery pack, and prevent foreign objects from hitting the battery pack.

Preferably, the protective structure has a first channel, the rear side cover plate has a second channel, and the first channel and the second channel are respectively connected with the protection chamber.

In this solution, the opening of the first channel and the second channel allows the battery replacement shield to be installed away from the body longitudinal beams, quick-change brackets and other parts of the electric vehicle when it is installed on the electric vehicle. .

Preferably, the protective structure includes two baffles and two second connection assemblies. The two baffles are respectively connected to the electric vehicle through the second connection assemblies, and the baffles are connected to the protective structure. The cover bodies are connected, and the first channel is formed between the two baffles.

In this solution, two baffles protect the battery pack in front of the battery pack, which can prevent mud, water or other foreign objects in front of the battery pack from contaminating the battery pack, and at the same time prevent flying foreign objects from hitting the battery pack. Secondly, The connection component connects the baffle to the electric vehicle, improves the installation stability of the baffle, and further helps to improve the firmness of the connection between the protective structure and the electric vehicle; at the same time, the first channel formed between the two baffles facilitates battery replacement and protection. When installing the cover, the electric vehicle Install and avoid the car's body longitudinal beams, quick-change brackets and other parts on the electric vehicle.

Preferably, the second connection component includes a connecting rod and a connecting seat. The connecting seat is provided on the outer side of the baffle. One end of the connecting rod is connected to the connecting seat, and the other end of the connecting rod is connected to the connecting seat. Connected to the electric vehicle.

In this solution, the baffle is connected to the electric vehicle in the form of a connecting rod and a connecting seat, which has a simple structure. The connecting rod can be easily installed and removed, thereby improving the installation and disassembly efficiency of the baffle.

Preferably, the second connection component includes a connection body and two side connection plates, the connection body is connected to the baffle, the two side connection plates are respectively connected to both sides of the connection body, and An escape groove is formed with the connecting body toward the electric vehicle. The side connecting plate has a first flange on a side close to the electric vehicle, and the first flange is connected to the electric vehicle.

In this solution, the side connection plates connecting both sides of the body function as stiffeners, which can increase the structural strength of the second connection component; the side connection plates are connected to the electric vehicle through the first flange, so that the second connection component is connected to the electric vehicle. The connection is more convenient and firm, and the firmness and stability of the connection between the protective structure and the electric vehicle are improved.

Preferably, the baffle has an arc surface, and the protruding direction of the arc surface of the baffle is in a direction away from the battery pack; or,

The baffle has an inclined surface, and the inclined surface of the baffle gradually slopes from a side connected to the electric vehicle to a side away from the electric vehicle and toward a direction closer to the battery pack.

In this solution, the side of the baffle facing the front of the electric vehicle is the windward side. Especially during the driving of the electric vehicle, the windward side will bear a larger wind load. The baffle has the above-mentioned arc surface or inclined surface. It is conducive to evacuating the air flow, causing the air flow to flow along the arc surface or inclined surface, and reducing the wind load resistance on the baffle during the advancement of the electric vehicle. In addition, the baffle has the above-mentioned arc surface or inclined surface, which helps foreign matter falling on the baffle to slide off quickly and prevents foreign matter from being deposited on the baffle.

Preferably, the baffle includes a baffle body and a second flange, the second flange extends along each side of the baffle body toward the battery pack and is connected to the shield body, The protective structure also includes a third reinforcement member. The third reinforcement member is provided on a side of the baffle body facing the battery pack and is connected to the baffle body and the second flange. .

In this solution, the second flange provided along the circumference of the baffle is connected to the shield body, making the connection between the baffle and the shield body stronger, and the second flange can connect the battery pack to the battery pack from the side of the baffle. Provide shielding protection to protect the battery pack more comprehensively. In addition, a third reinforcing member is provided on the side of the baffle close to the battery pack. On the one hand, the third reinforcing member can be used as a stiffening rib of the baffle to increase the strength of the baffle. On the other hand, it can be used as a connecting piece to strengthen the baffle and the third reinforcing member. The connection between the two flanges.

Preferably, the battery replacement shield further includes a front-end shielding structure, and the front-end shielding structure covers the battery pack. The front area on one side close to the front of the electric vehicle and connected to the electric vehicle and/or the guard body;

and / or,

The battery replacement shield also includes a rear end shielding structure, the rear end shielding structure covers the rear area of the side of the battery pack close to the rear of the electric vehicle, and is connected with the electric vehicle and/or Or the shield body is connected.

In this solution, the front-end shielding structure can shield the electric vehicle's motor, gearbox, vehicle-side electrical connector, and the first channel of the battery replacement shield to prevent mud, water, and other debris from entering, thereby damaging the battery. Connections and other related structures are protected; the rear shielding structure can shield the structure behind the battery pack and the second channel to prevent mud, water and other debris from entering.

Preferably, the battery replacement shield also includes a socket structure, the socket structure is provided on the shield body, and the socket structure is electrically connected to the vehicle-end electrical connector of the electric vehicle for providing the power supply for the electric vehicle. The battery pack is charged as described above.

In this solution, the socket structure is connected to the vehicle-side electrical connector of the electric vehicle, and the vehicle-side electrical connector of the electric vehicle is connected to the electrical connector of the battery pack. When it is inconvenient for the electric vehicle to replace the battery pack, it can be conveniently The battery pack is directly charged through the socket structure to ensure the normal driving of the electric vehicle.

Preferably, the socket structure includes a socket body and a socket cover. The socket body is connected to the shield body, and the socket body is electrically connected to the vehicle-end electrical connector of the electric vehicle. The socket cover The plate cover is provided on the socket body and is hingedly connected with the socket body.

In this solution, the socket body is connected to the vehicle-end electrical connector of the electric vehicle, so that the battery pack can be charged directly through the socket body, increasing the flexibility of charging; the socket cover is installed on the outside of the socket body, which can charge the socket The main body is protected to prevent debris from entering; the socket cover is hinged with the socket body to facilitate opening of the socket cover.

Preferably, the socket structure further includes an elastic member, two ends of the elastic member are connected to the socket body and the socket cover respectively, and the elastic member is configured to exert an opening effect on the socket cover. force.

In this solution, the elastic member maintains the relative position of the socket cover and the socket body unchanged after the socket cover is opened, thereby allowing the socket cover to remain open and facilitating electrical connection between the socket body and the outside world.

Preferably, the battery replacement shield is installed on the body longitudinal beam of the electric vehicle, and/or the battery replacement shield is installed on the quick-change bracket of the electric vehicle.

In this solution, when the power replacement shield is installed on the body longitudinal beam of the electric vehicle, the power replacement shield is connected to the body longitudinal beam through the first connecting component, which can make more reasonable use of the space on both sides of the body longitudinal beam. The structural layout is more compact; when the power replacement shield is installed on the quick-change bracket of the electric vehicle, it is avoided that the quick-change bracket and the power replacement shield are connected to the body longitudinal beam of the electric vehicle at the same time, which facilitates the installation of the power replacement shield.

An electric vehicle includes a body longitudinal beam and the above-mentioned power exchange shield. The power exchange shield is connected to the body longitudinal beam. Liang.

In this solution, the installation of the battery replacement shield can prevent the battery pack from being contaminated by mud, water or other foreign objects. Especially during the driving of the vehicle, due to the high speed of the vehicle, the battery pack is easily hit by foreign objects. The cover can prevent foreign objects from hitting the battery pack, avoid damage to the battery pack, ensure the service life of the battery pack, and thereby improve the driving safety of electric vehicles. The battery replacement cover is connected to the body longitudinal beam, which can more reasonably The space on both sides of the body longitudinal beam is utilized to make the structural layout more compact.

The positive progressive effects of the present invention are:

The protective cavity of the shield body is used to accommodate the battery pack of the electric vehicle, so that the shield body can effectively protect the battery pack; the first connection component connects the shield body to the electric vehicle, ensuring that the shield body and the electric vehicle are connected The firmness and stability of the connection. The installation of the battery replacement shield can prevent the battery pack from being contaminated by mud, water or other foreign objects. Especially when the vehicle is driving, due to the high speed of the vehicle, the battery pack is easily hit by foreign objects. The battery replacement shield can block the impact of foreign objects. On the battery pack, it avoids damage to the battery pack, ensures the service life of the battery pack, and thereby improves the driving safety of electric vehicles.

Description of the drawings

Figure 1 is a perspective view of a battery replacement shield according to Embodiment 1 of the present invention.

Figure 2 is a structural diagram of the battery replacement shield in one direction according to Embodiment 1 of the present invention.

Figure 3 is a structural diagram of the battery replacement shield in another direction according to Embodiment 1 of the present invention.

Figure 4 is a side view of the battery replacement shield according to Embodiment 1 of the present invention.

Figure 5 is a top view of the battery replacement shield according to Embodiment 1 of the present invention.

Figure 6 is a front view of the battery replacement shield according to Embodiment 1 of the present invention.

Figure 7 is a rear view of the battery replacement shield according to Embodiment 1 of the present invention.

Figure 8 is a structural diagram of an electric vehicle according to Embodiment 1 of the present invention.

Figure 9 is a structural diagram of a battery replacement shield according to Embodiment 2 of the present invention.

Explanation of reference symbols:

Shield body 1; protective chamber 11; upper cover plate assembly 12; upper cover plate 121; upper shield frame 122; cross beam 1221; longitudinal beam 1222; side cover plate assembly 13; side cover plate 131; side protection Cover frame 132; side pillars 1321; side beams 1322; first reinforcement 14; fourth reinforcement 15; first connection component 2; horizontal connection plate 21; vertical connection plate 22; second reinforcement 23; protective structure 3 ; First channel 31; baffle 32; baffle body 321; second flange 322; second connecting component 33; connecting rod 331; connecting seat 332; connecting body 333; side connecting plate 334; avoidance groove 335; first Flange 336; third reinforcement 34; rear side cover 4; second channel 41; front end shielding structure 5; rear end shielding structure 6; Socket structure 7; electric vehicle 100; body longitudinal beam 101; battery replacement shield 103

Detailed ways

The present invention will be more clearly and completely described below by way of examples and in conjunction with the accompanying drawings, but the present invention is not therefore limited to the scope of the described embodiments.

Example 1

As shown in Figures 1 to 7, this embodiment provides a power replacement shield 103. Among them, FIG. 4 is a side view of the battery replacement shield 103, and its perspective is viewed along the direction vertical to the vehicle body longitudinal beam 101; FIG. 6 is a front view of the battery replacement shield 103, and its perspective is from the front side of the electric vehicle 100. Looking toward the rear side of the vehicle; Figure 7 is a rear view of the battery replacement shield 103, with the perspective looking from the rear side to the front side of the electric vehicle 100.

The battery replacement shield 103 is installed on the electric vehicle 100. Preferably, the battery replacement shield 103 is installed on the body longitudinal beam 101 or the quick-change bracket of the electric vehicle 100. For ease of explanation, in the following, the battery replacement shield 103 is installed on the electric vehicle 100. The vehicle body longitudinal beam 101 of the automobile 100 will be described as an example.

The battery replacement shield 103 includes a shield body 1 and a first connecting component 2. The shield body 1 has a protective chamber 11. The protective chamber 11 is used to accommodate the battery pack installed on the electric vehicle 100; the first connecting component 2 is provided On the shield body 1 , the first connector set is used to connect the shield body 1 to the electric vehicle 100 . The protective chamber 11 of the shield body 1 is used to accommodate the battery pack of the electric vehicle 100, so that the shield body 1 can effectively protect the battery pack; the first connection component 2 connects the shield body 1 to the electric vehicle 100 to ensure The firmness and stability of the connection between the shield body 1 and the electric vehicle 100 are ensured. The setting of the battery replacement shield 103 can prevent the battery pack from being contaminated by mud, water or other foreign objects. Especially during the driving of the vehicle, due to the high speed of the vehicle, the battery pack is easily hit by foreign objects, and the battery replacement shield 103 can block it. Foreign objects impacting the battery pack avoids damage to the battery pack, ensuring the service life of the battery pack, thereby improving the driving safety of the electric vehicle 100 .

In this embodiment, the shield body 1 includes an upper shield assembly 12, which is covered on the upper side of the battery pack. The upper shield assembly 12 includes an upper shield plate 121 and an upper shield frame 122. The frame 122 includes a plurality of cross-beams 1221 and longitudinal beams 1222 connected in a staggered manner, and the upper cover plate 121 is connected to the outer surfaces of the cross-beams 1221 and longitudinal beams 1222 . The upper cover plate assembly 12 protects the battery pack above the battery pack. The upper cover plate 121 can prevent mud, water or other foreign objects above the battery pack from contaminating the battery pack, and prevent falling objects from hitting the battery pack; the upper cover frame 122 can provide stable support to the upper cover plate 121, improve the strength and impact resistance of the upper cover plate assembly 12, and thereby improve the protection performance of the battery pack.

In this embodiment, the shield body 1 also includes side cover plate assemblies 13. The side cover plate assemblies 13 are respectively arranged around both sides of the battery pack. The side cover plate assemblies 13 are connected to and surround the upper cover plate assembly 12. Set up a protective chamber 11 and side cover panels The component 13 includes a side cover plate 131 and a side cover frame 132. The side cover frame 132 includes a plurality of staggered side columns 1321 and side beams 1322. The upper ends of the side columns 1321 are connected to the upper shield frame 122. The side columns The lower end of 1321 is connected to the side beam 1322, and the side cover plate 131 is connected to the side column 1321 and the outer surface of the side beam 1322. The side cover assembly 13 can protect the battery pack on both sides of the battery pack, and the side cover assembly 131 can prevent mud, water or other foreign objects on the sides of the battery pack from contaminating the battery pack, and at the same time prevent the impact of flying foreign objects. Battery pack; the side shield frame 132 can provide stable support to the side shield plate 131, improve the strength and impact resistance of the side shield plate assembly, and thereby improve the protection performance of the battery pack. Specifically, in this embodiment, the side cover assemblies 13 are respectively provided around both sides of the battery pack, which means that the side cover assemblies 13 are respectively provided on both sides of the battery pack that are parallel to the direction of the vehicle body longitudinal beam 101 .

In this embodiment, the shield body 1 further includes a first reinforcing member 14. One end of the first reinforcing member 14 is connected to the upper shield frame 122, and the other end of the first reinforcing member 14 is connected to the side shield frame 132. A reinforcing member 14 can strengthen the connection between the upper shield frame 122 and the side shield frame 132, making the connection between the two stronger, thereby strengthening the overall structural strength of the power exchange shield 103.

In this embodiment, the shield body 1 further includes a fourth reinforcement 15 , which is disposed between the side pillar 1321 and the upper shield frame 122 . The side pillar 1321 , the upper shield frame 122 and the fourth reinforcement are A triangular structure is formed between 15, which has better stability; at the same time, a fourth reinforcing member 15 is also provided between the side column 1321 and the side beam 1322 to strengthen the connection between the side column 1321 and the side beam 1322, and strengthen the side The overall structural strength of the side cowl assembly 13. In other embodiments, the installation position of the fourth reinforcement 15 may be one of the above-mentioned installation methods, or may be a partial or complete combination of the above-mentioned installation methods.

In one embodiment, the first connection component 2 includes a fixedly connected horizontal connection plate 21 and a vertical connection plate 22 . The vertical connection plate 22 is connected to the electric vehicle 100 , and the horizontal connection plate 21 is connected to the inner side of the shield body 1 . The vertical connecting plate 22 of the first connecting component 2 can be easily connected to the installation part of the electric vehicle 100 (such as the body longitudinal beam 101), saving space, and the connection is firm; the horizontal connecting plate 21 of the first connecting component 2 is connected to The horizontal connecting plate 21 can fit the inner side of the shield body 1 , making it easy to connect and the connection is firm.

In one embodiment, the first connection component 2 further includes a second reinforcement 23 , one side of the second reinforcement 23 is connected to the vertical connection plate 22 , and the other side of the second reinforcement 23 is connected to the shield body 1 . Both ends of the second reinforcing member 23 are connected to the vertical connecting plate 22 and the shield body 1 respectively, which strengthens the connection strength between the first connection component 2 and the shield body 1 and improves the reliability of the connection between the two.

In one embodiment, the number of first connection components 2 is multiple, and the plurality of first connection components 2 are arranged at intervals, and an avoidance space is formed between adjacent first connection components 2 . The arrangement of multiple first connection components 2 can further strengthen the connection between the shield body 1 and the electric vehicle 100 and improve the firmness of the installation of the battery replacement shield 103; leave an avoidance space between the multiple first connection components 2, It is convenient for the battery replacement shield 103 to be installed with the quick-change bracket and the electric vehicle 100 during installation. The locking mechanism and other components on the electric vehicle 100 are installed and avoided. Specifically, the above-mentioned arrangement of the first connecting components 2 at intervals means that they are arranged at intervals along the direction of the vehicle body longitudinal beam 101 .

In one embodiment, the battery replacement shield 103 also includes a protective structure 3. The protective structure 3 is surrounding the side of the battery pack close to the front of the electric vehicle 100. The protective structure 3 is connected to the electric vehicle 100 and the shield body 1; The battery replacement shield 103 also includes a rear side cover plate 4 , which is located around the side of the battery pack close to the rear of the electric vehicle 100 , and is connected to the shield body 1 . The protective structure 3 protects the battery pack in front of the battery pack, preventing mud, water or other foreign objects in front of the battery pack from contaminating the battery pack, and at the same time preventing flying foreign objects from hitting the battery pack; the rear side cover 4 is in the battery pack The rear of the battery pack is protected to prevent mud, water or other foreign objects behind the battery pack from contaminating the battery pack, and to prevent foreign objects from hitting the battery pack. In other embodiments, the protective structure 3 and the rear side cover 4 can be connected only to the electric vehicle 100, or only to the guard body 1, or to both the electric vehicle 100 and the guard body 1. In this embodiment There are no specific limitations.

In one embodiment, the protective structure 3 has a first channel 31 , the rear side cover 4 has a second channel 41 , and the first channel 31 and the second channel 41 are respectively connected with the protection chamber 11 . The opening of the first channel 31 and the second channel 41 allows the battery exchange shield 103 to be connected with the body longitudinal beam 101 of the electric vehicle 100 , the quick-change bracket and other parts on the electric vehicle 100 when installed on the electric vehicle 100 . Install avoidance.

In one embodiment, the protective structure 3 includes two baffles 32 and two second connection components 33. The two baffles 32 are respectively connected to the electric vehicle 100 through the second connection components 33, and the baffles 32 are connected to the shield body. 1 are connected, and a first channel 31 is formed between the two baffles 32 . The two baffles 32 protect the battery pack in front of the battery pack, preventing mud, water or other foreign objects in front of the battery pack from contaminating the battery pack, and at the same time preventing flying foreign objects from hitting the battery pack. The second connection component 33 will The baffle 32 is connected to the electric vehicle 100, which improves the installation stability of the baffle 32 and further helps to improve the firmness of the connection between the protective structure 3 and the electric vehicle 100; at the same time, the first channel 31 formed between the two baffles 32 It is convenient for the battery replacement shield 103 to avoid the body longitudinal beams 101 of the electric vehicle 100, the quick-change bracket, and other components on the electric vehicle 100 during installation.

In one embodiment, the second connection component 33 includes a connection body 333 and two side connection plates 334. The connection body 333 is connected to the baffle 32. The two side connection plates 334 are respectively connected to both sides of the connection body 333, and An escape groove 335 is formed with the connection body 333 toward the electric vehicle 100 . The side connecting plate 334 has a first flange 336 on the side close to the electric vehicle 100 . The first flange 336 is connected to the electric vehicle 100 . The side connection plates 334 connecting both sides of the body 333 function as stiffening ribs, which can increase the structural strength of the second connection component 33; the side connection plates 334 are connected to the electric vehicle 100 through the first flange 336, so that the second connection component 33 and The connection of the electric vehicle 100 is more convenient and firm, which improves the firmness and stability of the connection between the protective structure 3 and the electric vehicle 100 .

In one embodiment, the baffle 32 has an inclined surface, and the inclined surface of the baffle 32 is connected to the electric vehicle 100 The side away from the electric vehicle 100 gradually tilts toward the direction closer to the battery pack. The side of the baffle 32 facing the front of the electric vehicle 100 is the windward side. Especially during the driving process of the electric vehicle 100, the windward side will bear a larger wind load. The baffle 32 has an inclined surface, which is conducive to dispersing the airflow, so that The airflow flows along the inclined surface, reducing the wind load resistance on the baffle 32 when the electric vehicle 100 moves forward. In addition, the baffle 32 has the above-mentioned inclined surface, which helps foreign matter falling on the baffle 32 to slide off quickly and prevents foreign matter from being deposited on the baffle 32 . In other embodiments, the baffle 32 may also have a curved surface. The protruding direction of the curved surface of the baffle 32 is in a direction away from the battery pack to evacuate the air flow and reduce resistance. At the same time, the arrangement of the curved surface facilitates landing. Foreign objects on the baffle 32 slide off quickly to prevent foreign objects from being deposited on the baffle 32 .

In one embodiment, the baffle 32 includes a baffle body 321 and a second flange 322. The second flange 322 extends along each side of the baffle body 321 toward the direction of the battery pack and is connected to the shield body 1. The protective structure 3 also includes a third reinforcing member 34 . The third reinforcing member 34 is provided on the side of the baffle body 321 facing the battery pack and is connected to the baffle body 321 and the second flange 322 . The second flange 322 provided along the circumference of the baffle 32 is connected to the shield body 1 , so that the connection between the baffle 32 and the shield body 1 is stronger, and the second flange 322 can face the shield body 1 from the side of the baffle 32 . The battery pack is shielded and protected to provide more comprehensive protection for the battery pack. In addition, a third reinforcing member 34 is provided on the side of the baffle 32 close to the battery pack. On the one hand, the third reinforcing member 34 can serve as a stiffening rib of the baffle 32 to increase the strength of the baffle 32. On the other hand, it can also serve as a connecting member. The connection between the baffle 32 and the second flange 322 is strengthened.

In one embodiment, the battery replacement shield 103 also includes a rear end shielding structure 6. The rear end shielding structure 6 covers the rear area of the side of the battery pack close to the rear of the electric vehicle 100 and is connected with the shield body 1 connected. The rear shielding structure 6 can shield the structure behind the battery pack and the second channel 41 to prevent mud, water and other debris from entering. Specifically, in this embodiment, the rear end shielding structure 6 is connected to the guard body 1. In other embodiments, the rear end shielding structure 6 can also be directly connected to the body longitudinal beam 101 of the electric vehicle 100. Of course, the rear end The shielding structure 6 can also be connected to the shield body 1 and the vehicle body longitudinal beam 101 respectively at the same time, which is not specifically limited in this embodiment.

It should be noted that the above-mentioned upper cover plate assembly 12, side cover plate assembly 13, protective structure 3, rear side cover plate 4 and rear end shielding structure 6 can be set at the same time or separately, or according to the actual situation Any combination of settings is possible, and the above embodiments are not specifically limited.

In this embodiment, the battery replacement shield 103 also includes a socket structure 7. The socket structure 7 is provided on the shield body 1. The socket structure 7 is electrically connected to the vehicle-end electrical connector of the electric vehicle 100 for charging the battery pack. . The socket structure 7 is connected to the vehicle-side electrical connector of the electric vehicle 100, and the vehicle-side electrical connector of the electric vehicle 100 is connected to the electrical connector of the battery pack. When it is inconvenient for the electric vehicle 100 to replace the battery pack, it can be conveniently The battery pack is directly charged through the socket structure 7 to ensure normal driving of the electric vehicle 100 .

In this embodiment, the socket structure 7 includes a socket body and a socket cover. The socket body is connected to the shield body 1, and The socket body is electrically connected to the vehicle-side electrical connector of the electric vehicle 100. The socket cover is provided on the socket body and is hingedly connected with the socket body. The socket body is connected to the vehicle-side electrical connector of the electric vehicle 100, so that the battery pack can be charged directly through the socket body, increasing the flexibility of charging; the socket cover is installed on the outside of the socket body to protect the socket body. Prevent debris from entering; the socket cover is hinged with the socket body, making it easy to open the socket cover.

In this embodiment, the socket structure 7 also includes an elastic member. The two ends of the elastic member are respectively connected to the socket body and the socket cover. The elastic member is configured to exert an opening force on the socket cover. The elastic member keeps the relative position of the socket cover and the socket body unchanged after the socket cover is opened, thereby allowing the socket cover to remain open and facilitating electrical connection between the socket body and the outside world. Preferably, the elastic member may be, but is not limited to, a retaining spring.

In this embodiment, the battery replacement shield 103 is installed on the vehicle body longitudinal beam 101 of the electric vehicle 100 . The battery replacement shield 103 is connected to the vehicle body longitudinal beam 101 through the first connecting component 2 , so that both sides of the vehicle body longitudinal beam 101 can be more rationally utilized. The space on the side makes the structural layout more compact. In other embodiments, the battery replacement shield 103 can also be installed on the quick-change bracket of the electric vehicle 100, thereby preventing the quick-change bracket and the battery replacement shield 103 from being connected to the body longitudinal beam 101 of the electric vehicle 100 at the same time, thereby facilitating battery swapping. Installation of guard 103. Of course, in other embodiments, the battery replacement shield 103 can also be connected to the vehicle body longitudinal beam 101 and the quick-change bracket at the same time to enhance the firmness and stability of the installation of the battery replacement shield 103 .

As shown in Figure 8, this embodiment also provides an electric vehicle 100, which includes the above-mentioned battery replacement shield 103. The battery replacement shield 103 is connected to the body longitudinal beam 101 or the quick-change bracket of the electric vehicle 100, or to the battery replacement shield 103. The electric shield 103 is connected to the vehicle body longitudinal beam 101 and the quick-change bracket at the same time. The electric vehicle 100 of this embodiment is provided with a battery replacement shield 103 to prevent the battery pack of the electric vehicle 100 from being contaminated by mud, water or other foreign matter. Especially during the driving of the vehicle, due to the high speed of the vehicle, the battery pack is easily When hit by foreign objects, the battery replacement shield 103 can prevent the foreign objects from impacting the battery pack, avoiding damage to the battery pack, ensuring the service life of the battery pack, thereby improving the driving safety of the electric vehicle 100, and the battery replacement shield 103 Connected to the body longitudinal beam 101, the space on both sides of the body longitudinal beam 101 can be more rationally utilized, making the structural layout more compact.

Example 2

The structure of this embodiment is basically the same as that of Embodiment 1. The main differences between the two are that the form of the second connection component 33 is different, the structure of the baffle body 321 is different, and this embodiment has a front-end shielding structure 5. The specific differences are as follows:

As shown in Figure 9, in this embodiment, the second connection component 33 includes a connecting rod 331 and a connecting seat 332. The connecting seat 332 is provided on the outer side of the baffle 32. One end of the connecting rod 331 is connected to the connecting seat 332. The connecting rod 331 is connected to the connecting seat 332. The other end of 331 is connected to the electric vehicle 100 . The connecting rod 331 and the connecting base 332 are used to connect the baffle 32 to the electric vehicle 100, which has a simple structure. The connecting rod 331 can be easily installed and disassembled, thereby improving the installation and disassembly efficiency of the baffle 32. In addition, in this embodiment, the baffle body 321 is a flat plate without an inclined surface, mainly to adapt to the connecting rod 331 and facilitate the installation of the connecting rod 331. The processing is simple and convenient, which is beneficial to save costs. Of course, in other embodiments, by bending the connecting rod 331 or adjusting the size of the connecting seats 332 at different positions, the connecting rod 331 can also be adapted to the baffle body 321 with an inclined surface or an arc surface. Therefore, the baffle body 321 in this embodiment may also have an inclined surface or an arc surface, which is not specifically limited in this embodiment.

In this embodiment, the battery replacement shield 103 also includes a front-end shielding structure 5 . The front-end shielding structure 5 covers the front area of the battery pack near the front of the electric vehicle 100 and is connected to the shield body 1 . The front-end shielding structure 5 can shield the motor, gearbox, vehicle-side electrical connector of the electric vehicle 100 and the first channel 31 of the battery replacement shield 103 to prevent mud, water and other debris from entering, thereby affecting the electrical connection. and other related structures for protection. Specifically, in this embodiment, the front-end shielding structure 5 is connected to the guard body 1. In other embodiments, the front-end shielding structure 5 can also be directly connected to the body longitudinal beam 101 or the quick-change bracket of the electric vehicle 100. Of course, The front-end shielding structure 5 can also be connected to the shield body 1 and the vehicle body longitudinal beam 101 (or quick-change bracket) at the same time, which is not specifically limited in this embodiment.

Although specific embodiments of the present invention have been described above, those skilled in the art will understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims (20)

1. A power exchange shield installed on an electric vehicle, characterized in that the power exchange shield includes:

   The shield body has a protective chamber, and the protective chamber is used to accommodate the battery pack installed on the electric vehicle;

   A first connection component is provided on the shield body, and the first connector set is used to connect the shield body to the electric vehicle.
2. The battery replacement shield according to claim 1, wherein the shield body includes an upper cover plate assembly, the upper cover plate assembly is disposed on the upper side of the battery pack, and the upper cover plate assembly It includes an upper cover plate and an upper shield frame. The upper shield frame includes a number of cross beams and longitudinal beams that are interlaced. The upper cover plate is connected to the outer surfaces of the cross beams and longitudinal beams.
3. The battery replacement shield according to claim 2, wherein the shield body further includes side cover plate assemblies, and the side cover plate assemblies are respectively surrounded on both sides of the battery pack, and the The side cover plate assembly is connected with the upper cover plate assembly and surrounds the protective chamber. The side cover plate assembly includes a side cover plate and a side shield frame. The side shield frame It includes a number of staggered side columns and side beams, the upper end of the side column is connected to the upper shield frame, the lower end of the side column is connected to the side beam, and the side cover plate is connected to the side beam. The outside sides of the columns and side beams.
4. The power exchange shield of claim 3, wherein the shield body further includes a first reinforcement member, one end of the first reinforcement member is connected to the upper shield frame, and the first reinforcement member The other end of the piece is connected to the side guard frame;

   and / or,

   The shield body further includes a fourth reinforcement member, the fourth reinforcement member is provided between the side pillar and the upper shield frame, and/or the fourth reinforcement member is provided on the side pillar. and between the side beams.
5. The power exchange shield according to any one of claims 1 to 4, characterized in that the first connection component includes a fixedly connected horizontal connection plate and a vertical connection plate, and the vertical connection plate is connected to the For an electric vehicle, the horizontal connecting plate is connected to the inner side of the guard body.
6. The battery replacement shield of claim 5, wherein the first connection component further includes a second reinforcement member, one side of the second reinforcement member is connected to the vertical connection plate, and the second reinforcement member The other side of the reinforcement is connected to the shield body.
7. The battery exchange shield according to any one of claims 1 to 6, characterized in that the number of the first connecting components is multiple, and the plurality of first connecting components are arranged at intervals, and the adjacent first connecting components are An avoidance space is formed between the connecting components.
8. The battery replacement shield according to any one of claims 1 to 7, characterized in that:

   The battery replacement shield also includes a protective structure surrounding a side of the battery pack close to the front of the electric vehicle. The protective structure is in contact with the electric vehicle and/or the shield. Ontology connection;

   And/or, the battery replacement shield also includes a rear side cover plate, the rear side cover plate is surrounded by a side of the battery pack close to the rear of the electric vehicle, and the rear side cover plate is connected to the rear side cover plate. The electric vehicle and/or the shield body are connected.
9. The battery exchange shield according to claim 8, characterized in that the protective structure has a first channel, the rear side cover plate has a second channel, the first channel and the second channel are respectively connected with the The protective chambers are connected.
10. The power exchange shield of claim 9, wherein the protective structure includes two baffles and two second connecting components, and the two baffles are connected to the second connecting component through the second connecting components. In the electric vehicle, the baffle is connected to the guard body, and the first channel is formed between the two baffles.
11. The power replacement shield of claim 10, wherein the second connection component includes a connecting rod and a connecting seat, the connecting seat is provided on the outer side of the baffle, and one end of the connecting rod is connected to The connecting base is connected, and the other end of the connecting rod is connected to the electric vehicle.
12. The battery exchange shield according to claim 10, characterized in that the second connection component includes a connection body and two side connection plates, the connection body is connected to the baffle, and the two side connection plates The plates are respectively connected to both sides of the connecting body, and form an escape groove toward the electric vehicle with the connecting body. The side of the side connecting plate close to the electric vehicle has a first flange. A flange is connected to the electric vehicle.
13. The battery exchange shield according to claim 12, characterized in that:

    The baffle has an arc surface, and the protruding direction of the arc surface of the baffle is in a direction away from the battery pack; or,

    The baffle has an inclined surface, and the inclined surface of the baffle gradually slopes from a side connected to the electric vehicle to a side away from the electric vehicle and toward a direction closer to the battery pack.
14. The power exchange shield according to any one of claims 10 to 13, wherein the baffle includes a baffle body and a second flange, and the second flange is along each side of the baffle body. Extending toward the direction of the battery pack and connected to the shield body, the protective structure also includes a third reinforcement member, the third reinforcement member is provided on a side of the baffle body facing the battery pack. side, and is connected to the baffle body and the second flange.
15. The battery exchange shield according to any one of claims 1 to 14, characterized in that:

    The battery replacement shield also includes a front-end shielding structure, which is disposed in the front area of the side of the battery pack close to the front of the electric vehicle and connected with the electric vehicle and/or the electric vehicle. The shield body is connected;

    and / or,

    The battery replacement shield also includes a rear end shielding structure, the rear end shielding structure covers the rear area of the side of the battery pack close to the rear of the electric vehicle, and is connected with the electric vehicle and/or Or the shield body is connected.
16. The power exchange shield according to any one of claims 1 to 14, characterized in that the power exchange shield further includes a socket. structure, the socket structure is provided on the shield body, and the socket structure is electrically connected to the vehicle-side electrical connector of the electric vehicle for charging the battery pack.
17. The battery replacement shield of claim 16, wherein the socket structure includes a socket body and a socket cover, the socket body is connected to the shield body, and the socket body is electrically connected to the socket cover. In the vehicle-side electrical connector of an electric vehicle, the socket cover is provided on the socket body and is hingedly connected with the socket body.
18. The power exchange shield of claim 17, wherein the socket structure further includes an elastic member, and both ends of the elastic member are respectively connected to the socket body and the socket cover, and the elastic member is It is configured to exert an opening force on the socket cover.
19. The power exchange shield according to any one of claims 1 to 18, characterized in that the power exchange shield is installed on the body longitudinal beam of the electric vehicle, and/or the power exchange shield is installed on On the quick-change bracket of the electric vehicle.
20. An electric vehicle, characterized in that it includes a vehicle body longitudinal beam and a power exchange shield according to any one of claims 1 to 19, and the power exchange shield is connected to the vehicle body longitudinal beam.