CN218948922U - Electric vehicle - Google Patents

Abstract

The application provides an electric vehicle. The electric vehicle comprises a vehicle body and at least two battery modules, wherein the vehicle body is provided with at least two battery mounting positions electrically connected to a vehicle load electric appliance, and one or more of the at least two battery modules can be selectively and detachably mounted in the at least two battery mounting positions. The electric vehicle can carry corresponding battery modules according to actual application needs, so that scene compatibility and use convenience are improved, and cost is reduced.

Description

Electric vehicle

Technical Field

The application relates to the technical field of automobiles, in particular to an electric vehicle.

Background

In recent years, with the strong advocacy of energy conservation, emission reduction and environmental protection, environmental problems and the like are increasingly receiving social attention. Electric vehicles, as a new energy vehicle, have thus been rapidly developed. The performance of a battery as an energy supply component of an electric vehicle is one of important indexes affecting the performance of the electric vehicle.

Currently, pure electric vehicle cruising is still one of the most interesting problems for users: on the one hand, in long-distance running, a longer endurance is expected, and the vehicle has sufficient electric quantity to support long-distance running; on the other hand, a large-capacity battery is mounted on the vehicle, so that the cost is increased, the vehicle is heavy, the charging time is changed to be long, and a new pain point appears to the user.

Aiming at the problems, the existing part of train enterprises select a large battery power conversion technology and a train-electricity separation marketing scheme to solve the problems: on one hand, a user can use a high-power battery to keep cruising and change power to solve the problem of quick power supply; on the other hand, since the battery is leased, the user does not spend a great deal of battery purchase cost and maintenance cost.

However, the whole power change of the large battery still brings new problems: 1) The power exchange station has high cost, cannot be laid out in a large quantity and has limited convenience; 2) Most private users travel daily mainly in commute, the long-distance travel frequency is low, the energy consumption of the vehicle is increased due to the fact that the large battery is always carried, and corresponding service cost is high.

Disclosure of Invention

An object of the application is to provide an electric vehicle, can carry on corresponding battery module according to the practical application needs, promoted scene compatibility and use convenience, the cost is reduced.

One aspect of the present application provides an electric vehicle. The electric vehicle comprises a vehicle body and at least two battery modules, wherein the vehicle body is provided with at least two battery mounting positions electrically connected to a vehicle load electric appliance, and one or more of the at least two battery modules can be selectively and detachably mounted in the at least two battery mounting positions.

Further, each battery module is provided with a first quick plug interface, each battery installation position is provided with a second quick plug interface, and the first quick plug interface is matched with the second quick plug interface so as to realize detachable quick plug of the battery module and the battery installation position.

Further, each of the battery mounting locations is electrically connected to the vehicle load electrical appliance through the second quick connector.

Further, the second quick-connect interfaces of the at least two battery mounting locations are connected in series and/or parallel with each other.

Further, the electric vehicle further includes a charging interface, and the second quick connector of each battery mounting position is further electrically connected to the charging interface.

Further, the electric vehicle further includes a power distribution unit, and the second quick connector of each battery mounting position is electrically connected to the charging interface and the vehicle load electrical appliance through the power distribution unit.

Further, the power distribution unit includes at least two switch groups, and the second quick-connect interface of each battery mounting position is connected to the charging interface and the vehicle load electric appliance through one switch group.

Further, each switch group comprises a first switch and a second switch, the battery installation position is provided with a positive electrode end and a negative electrode end, the first switch is electrically connected with the positive electrode end of the battery installation position, and the second switch is electrically connected with the negative electrode end of the battery installation position.

Further, the electric vehicle further includes a control system, wherein when any one of the battery modules is mounted to the battery mounting location, the control system is configured to control both the first switch and the second switch connected to the battery module to be closed; the control system is configured to control the first switch and the second switch connected to the battery module to be turned off before any of the battery modules is removed from the battery mounting location.

Further, the battery module includes one or more battery assemblies.

The electric vehicle of this application is through setting up two at least battery installation positions on the automobile body to, battery module can selectively detachable install on one or more battery installation positions, thereby, the electric vehicle of this application embodiment can be applied to multiple scene mode, can carry on corresponding battery module according to the actual application needs, has promoted scene compatibility and use convenience, the cost is reduced.

Drawings

FIG. 1 is a simplified illustration of an electric vehicle in an application scenario mode according to one embodiment of the present application;

FIGS. 2 and 3 are simplified schematic diagrams of an electric vehicle in another application scenario mode according to one embodiment of the present application;

FIG. 4 is a schematic illustration of an electric vehicle of an embodiment of the present application prior to installation of a battery module;

FIG. 5 is a schematic view of the electric vehicle of FIG. 4 after installation of a battery module;

FIG. 6 is a simplified schematic diagram of a power distribution unit of an electric vehicle according to one embodiment of the present application;

FIGS. 7-12 disclose various ways of supplementing energy to the electric vehicle shown in FIG. 1;

FIGS. 13 and 14 disclose various ways of supplementing energy to the electric vehicle shown in FIG. 2;

fig. 15 and 16 disclose various ways of supplementing energy to the electric vehicle shown in fig. 3.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

FIG. 1 discloses a simplified schematic illustration of an electric vehicle 100 in an application scenario mode according to one embodiment of the present application; fig. 2 and 3 disclose simplified schematic diagrams of an electric vehicle 100 in another application scenario mode according to one embodiment of the present application. As shown in fig. 1-3, an electric vehicle 100 of an embodiment of the present application may include a vehicle body 110 and at least two battery modules 210, 220. The battery modules 210, 220 include one or more battery assemblies. The plurality of battery assemblies is meant to include more than two battery assemblies, and may include, for example, two, three, or more battery assemblies. In the drawings of the present application, two battery modules 210 and 220 are schematically illustrated, and in the following, two battery modules 210 and 220 are schematically illustrated. However, the electric vehicle 100 of the embodiment of the present application is not limited to include two battery modules 210, 220, but may include three or more battery modules. In fact, the electric vehicle 100 of the present application may include any suitable number of battery modules depending on the actual application needs and the capacity size of the battery modules.

The body 110 is provided with at least two battery mounting locations (not numbered) electrically connected to the vehicle load electrical appliance 150, in which one or more of the at least two battery modules 210, 220 are selectively detachably mounted. For example, in one embodiment, where two battery mounting locations are provided on body 110 of electric vehicle 100, electric vehicle 100 may include two battery modules 210, 220. As shown in fig. 1, for example, during long travel, two battery modules 210, 220 may be respectively mounted on corresponding two battery mounting positions, so that the electric vehicle 100 may have a larger amount of electricity to improve the cruising ability of the electric vehicle 100. As shown in fig. 2 and 3, for example, in the case of a daily short-distance commute without consuming too much power, the battery module 210/220 may be mounted on one of the two battery mounting positions of the vehicle body 110, and the battery module 220/210 may not be mounted on the other battery mounting position, so that the electric vehicle 100 may have a lighter weight, and the power consumption may be reduced.

Fig. 4 discloses a schematic view of the electric vehicle 100 according to one embodiment of the present application before the battery modules 210, 220 are mounted, and fig. 5 discloses a schematic view of the electric vehicle 100 shown in fig. 4 after the battery modules 210, 220 are mounted. As shown in fig. 4 and 5, in some embodiments, each battery module 210/220 is provided with a first quick connector 201, and correspondingly, each battery mounting location is provided with a second quick connector 120, and the first quick connector 201 on the battery module 210, 220 can be respectively matched with the second quick connector 120 on the two battery mounting locations, so that the detachable quick connectors of the battery module 210, 220 and the battery mounting location can be conveniently realized.

Each battery mounting location on body 110 may be electrically connected to vehicle load appliance 150 through second quick connect interface 120. Thus, when the battery module 210/220 is mounted on the battery mounting position, the first quick connector 201 and the second quick connector 120 are mutually connected, and the vehicle load electric appliance 150 is electrically connected to the battery module 210/220 through the mutual matching of the first quick connector 201 and the second quick connector 120, so that the battery module 210/220 can supply power to the vehicle load electric appliance 150.

In some embodiments, the second quick interfaces 120 of at least two battery mounting locations are connected in series and/or parallel with each other. Therefore, when the battery modules 210 and 220 are mounted on the battery mounting position, the first quick connector 201 and the second quick connector 120 are mutually connected in a plugging manner, serial-parallel connection between the battery modules 210 and 220 is realized through mutual matching of the first quick connector 201 and the second quick connector 120, and compatibility of various discharging working voltages is further realized, and diversification of electric quantity is ensured.

In some embodiments, as shown in fig. 4 and 5, the electric vehicle 100 of the present application further includes a charging interface 140. Wherein the second quick connector 120 of each battery mounting location is further electrically connected to the charging interface 140. Thus, when the battery module 210/220 is mounted on the battery mounting position, the first quick connector 201 and the second quick connector 120 are mutually connected, and the battery module 210/220 is electrically connected to the charging interface 140 through the mutual matching of the first quick connector 201 and the second quick connector 120, so that the battery module 210/220 mounted on the battery mounting position can be charged through the charging interface 140.

The electric vehicle 100 of the present application further includes a power distribution unit (Power Distribution Unit, PDU) 130, and the second quick connect interface 120 of each battery installation site is electrically connected to the charging interface 140 and the vehicle load electric appliance 150 through the power distribution unit 130. Thus, the battery modules 210/220 mounted at each battery mounting position can be power-distributed and managed by the power distribution unit 130.

Fig. 6 discloses a simplified schematic diagram of the power distribution unit 130 of the electric vehicle 100 of one embodiment of the present application. As shown in fig. 6, in some embodiments, the power distribution unit 130 includes at least two switch groups, the number of which is the same as the number of battery mounting sites. The second quick connector 120 of each battery installation site is connected to the charging interface 140 and the vehicle load electric appliance 150 through a switch group. Thus, when the battery module 210/220 is mounted to the battery mounting location, the first quick connector 201 and the second quick connector 120 are connected to each other, and the battery module 210/220 may be connected to the charging interface 140 and the vehicle load appliance 150 through the cooperation of the first quick connector 201 and the second quick connector 120 by the switch group.

In one embodiment, to ensure electrical safety, each switch group includes a first switch K1 and a second switch K2, the battery mounting location has a positive terminal and a negative terminal, the first switch K1 is electrically connected to the positive terminal of the battery mounting location, and the second switch K2 is electrically connected to the negative terminal of the battery mounting location. The positive terminal of the battery installation site is connected to the positive terminal of the charging interface 140 and the positive terminal of the vehicle load electric appliance 150 through the first switch K1, and the negative terminal of the battery installation site is connected to the negative terminal of the charging interface 140 and the negative terminal of the vehicle load electric appliance 150 through the second switch K2, so that, when the battery module 210/220 is installed on the battery installation site, the positive terminal of the battery module 210/220 is connected to the positive terminal of the charging interface 140 and the positive terminal of the vehicle load electric appliance 150 through the first switch K1 while the first quick connector 201 and the second quick connector 120 are connected to each other, and the negative terminal of the battery module 210/220 is connected to the negative terminal of the charging interface 140 and the negative terminal of the vehicle load electric appliance 150 through the second switch K2.

The electric vehicle 100 of the present application further includes a control system (not shown). Wherein, when any one of the battery modules 210/220 is mounted on the battery mounting position, the control system can control the first switch K1 and the second switch K2 connected with the battery module 210/220 to be closed; the control system may control the first switch K1 and the second switch K2 connected to any of the battery modules 210/220 to be opened before the battery modules 210/220 are removed from the battery mounting position.

As shown in fig. 2 and with reference to fig. 6, after the battery module 210 is mounted on the vehicle body 110, the first switch 131 and the second switch 132 electrically connected to the battery module 210 are simultaneously closed, and the battery module 210 can supply power to the electric vehicle 100, or can charge the battery module 210 through the charging interface 140; when first switch 131 and second switch 132 are simultaneously turned off, battery module 210 can be removed from vehicle body 110 and replaced.

As shown in fig. 3 and with reference to fig. 6, after battery module 220 is mounted on vehicle body 110, first switch 133 and second switch 134 electrically connected to battery module 220 are simultaneously closed, battery module 220 may supply power to electric vehicle 100, and battery module 220 may be charged through charging interface 140; when first switch 133 and second switch 134 are simultaneously turned off, battery module 220 can be removed from vehicle body 110 and replaced.

As shown in fig. 1 and with reference to fig. 6, after battery module 210 and battery module 220 are simultaneously mounted on body 110, first switch 131 and second switch 132 electrically connected to battery module 210, and first switch 133 and second switch 134 electrically connected to battery module 220 are both simultaneously closed, battery module 210 and battery module 220 can simultaneously supply power to electric vehicle 100, and battery module 210 and battery module 220 can also be simultaneously charged through charging interface 140; when first switch 131 and second switch 132, and first switch 133 and second switch 134 are simultaneously turned off, battery module 210 and battery module 220 can be removed from vehicle body 110 and replaced.

After the battery module 210 and the battery module 220 are simultaneously mounted on the vehicle body 110, the first switch 131 and the second switch 132 are opened, and the first switch 133 and the second switch 134 are closed, the battery module 220 may supply power to the electric vehicle 100, while the battery module 210 is not supplied with power, and the charging interface 140 may charge the battery module 220; the first switch 131 and the second switch 132 are closed, the first switch 133 and the second switch 134 are opened, the battery module 210 may supply power to the electric vehicle 100, and the battery module 220 may not supply power, and the charging interface 140 may charge the battery module 210.

The electric vehicle 100 of the present application is provided with at least two battery mounting positions on the vehicle body 110, and the battery modules 210 and 220 can be selectively detachably mounted on one or more battery mounting positions, so that the electric vehicle 100 of the present application can be applied to various scene modes and has various energy supplementing modes.

For example, in the case where the electric vehicle 100 illustrated in the drawings of the present application is equipped with two battery mounting positions, as illustrated in fig. 1, the electric vehicle 100 of the present application may mount both battery modules 210, 220 on the corresponding two battery mounting positions, and thus may be applied to long distance use. Also, the battery modules 210, 220 may be rechargeable, either alone or in combination. For example, for occasional long-distance travel, the battery can be added to the battery replacement station, and any battery module can be charged and replaced as required when the vehicle travels long distance or over a very long distance. Fig. 7-12 disclose various ways of supplementing energy to the electric vehicle 100 shown in fig. 1. As shown in fig. 7, when the electric quantity is insufficient, the charging pile is connected to the charging interface 140, and the two battery modules 210 and 220 can be charged through the charging pile. As shown in fig. 8, two battery modules 210, 220 with insufficient power may be removed from the battery mounting site and replaced with two battery modules with sufficient power. As shown in fig. 9 and 10, a charging post may be used to charge the battery module 210, and another battery module 220 with insufficient power may be replaced with a battery module with sufficient power. As shown in fig. 11 and 12, a charging post may be used to charge the battery module 220, and another battery module 210 with insufficient power may be replaced with a battery module with sufficient power.

As shown in fig. 2, the electric vehicle 100 of the present application may also be configured such that the battery module 210 is mounted only on the battery mounting position on the left side of the drawing, for example, and the battery mounting position on the right side is not mounted; as shown in fig. 3, the electric vehicle 100 of the present application may be adapted to be used for short-distance use by attaching the battery module 220 only to the battery attachment site on the right side of the drawing and not attaching the battery attachment site on the left side. Also, the battery modules 210/220 may be rechargeable. For example, daily high-frequency short-distance commute takes home charge as a main part, public charge as an auxiliary part and electricity can be replaced in emergency. Fig. 13 and 14 disclose various ways of supplementing energy to the electric vehicle 100 shown in fig. 2. As shown in fig. 13, when the battery module 210 is low in power, the battery module 210 mounted on the battery mounting site may be charged through the charging post-in charging interface 140. As shown in fig. 14, a battery module with a sufficient amount of electricity may be used instead of the battery module 210 with a sufficient amount of electricity. Fig. 15 and 16 disclose various ways of supplementing energy to the electric vehicle 100 shown in fig. 3. As shown in fig. 15, in the case of a shortage of electric power, the battery module 220 mounted on the battery mounting site may be charged through the charging post-in charging interface 140. As shown in fig. 16, a battery module with a sufficient amount of electricity may be used instead of the battery module 220 with a sufficient amount of electricity.

The battery modules 210 and 220 of the electric vehicle 100 can be charged and replaced to ensure the diversity and flexibility of energy supplementing forms, and the electric vehicle is better in convenience and can solve the problem of emergency rescue. One of the two battery modules 210 and 220 can serve as a common battery pack, and the other can serve as a supplementary battery pack, and the compatibility of charging and discharging working voltages of the common battery pack and the supplementary battery pack is realized by adopting the serial-parallel connection mode of the two battery modules 210 and 220, so that the feasibility of electric quantity diversification is ensured. Moreover, by adopting the scheme of adding the common battery pack and the supplementary battery pack, the battery packs are all independently or combined to be chargeable and replaceable, the advantages of charging and electricity replacement are combined, the defects of the charging and electricity replacement are avoided, and the advantages of long-distance continuous voyage compatibility, low vehicle purchasing cost, long-distance battery rental fee supplement, short-distance energy consumption, long-distance energy supplement diversity, convenience and the like are realized.

The electric vehicle 100 has the characteristics of energy supplementing diversity, flexibility and the like, more energy supplementing scene selections are brought to users, scene compatibility and use convenience are improved, and extremely low cost and expense are achieved for the users.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model to the precise form disclosed, and any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims (10)

1. An electric vehicle characterized by: the vehicle comprises a vehicle body and at least two battery modules, wherein the vehicle body is provided with at least two battery mounting positions electrically connected to a vehicle load electric appliance, and one or more of the at least two battery modules can be selectively and detachably mounted in the at least two battery mounting positions.

2. The electric vehicle of claim 1, characterized in that: each battery module is provided with a first quick plug interface, each battery installation position is provided with a second quick plug interface, and the first quick plug interface is matched with the second quick plug interface so as to realize the detachable quick plug of the battery module and the battery installation position.

3. The electric vehicle of claim 2, characterized in that: each battery mounting location is electrically connected to the vehicle load electrical appliance through the second quick connector.

4. The electric vehicle of claim 3, characterized in that: the second quick-connect connectors of the at least two battery mounting locations are connected in series and/or parallel with each other.

5. The electric vehicle of claim 3, characterized in that: the battery mounting device further comprises a charging interface, and the second quick plug interface of each battery mounting position is further electrically connected to the charging interface.

6. The electric vehicle of claim 5, characterized in that: the battery mounting device further comprises a power distribution unit, wherein the second quick plug interface of each battery mounting position is electrically connected to the charging interface and the vehicle load electric appliance through the power distribution unit.

7. The electric vehicle of claim 6, characterized in that: the power distribution unit comprises at least two switch groups, and the second quick-connection interface of each battery installation position is connected to the charging interface and the vehicle load electric appliance through one switch group.

8. The electric vehicle of claim 7, characterized in that: each switch group comprises a first switch and a second switch, the battery installation position is provided with a positive electrode end and a negative electrode end, the first switch is electrically connected with the positive electrode end of the battery installation position, and the second switch is electrically connected with the negative electrode end of the battery installation position.

9. The electric vehicle of claim 8, characterized in that: also included is a control system for controlling the operation of the vehicle,

wherein, when any battery module is mounted on the battery mounting position, the control system is used for controlling the first switch and the second switch connected with the battery module to be closed; the control system is configured to control the first switch and the second switch connected to the battery module to be turned off before any of the battery modules is removed from the battery mounting location.

10. The electric vehicle according to any one of claims 1 to 9, characterized in that: the battery module includes one or more battery assemblies.

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