CN211507745U

CN211507745U - Be applied to battery package subassembly of being convenient for quick replacement on vehicle

Info

Publication number: CN211507745U
Application number: CN202020321951.XU
Authority: CN
Inventors: 刘劲飞; 肖祥金
Original assignee: Shenzhen Zhongke Jiuming New Energy Technology Co ltd
Current assignee: Shenzhen Zhongke Jiuming New Energy Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-09-15
Anticipated expiration: 2030-03-13

Abstract

The utility model provides a battery pack assembly which is applied to vehicles and is convenient for quick replacement, comprising at least one battery pack, an interface connector and a connector, wherein the interface connector is electrically connected with the battery pack through the connector; the connector comprises a connector socket and a connector plug which are detachably connected, the connector socket is fixedly arranged on the box body of the battery pack and electrically connected with a circuit of the battery pack, and the connector plug is electrically connected with the interface connector through a lead. The connector socket is provided with a clamping part, the outer wall of the clamping part is provided with a recessed annular clamping groove, and the connector plug is provided with a clamping sleeve part which is inserted by matching with the clamping part; the connector plug is further provided with a movable button, the button is provided with a buckling part which stretches into the clamping sleeve part and extends to the annular clamping groove, and the button is reset under the action of a spring after being pressed.

Description

Be applied to battery package subassembly of being convenient for quick replacement on vehicle

Technical Field

The utility model belongs to the technical field of vehicle battery, a be applied to quick replacement's of being convenient for battery package subassembly on vehicle is related to, mainly use the quick replacement of lithium ion battery package on new energy automobile, especially sightseeing bus.

Background

The lithium battery has the advantages of small volume, light weight and no environmental pollution, so the lithium battery is widely applied to new energy vehicles, the replacement of the lithium battery pack of the common sightseeing bus is unified replacement after the whole set or a plurality of sets of batteries are used up or the batteries are found to be damaged, and the lithium battery pack needs to be disassembled during replacement

The change of the lithium cell package of sightseeing bus, because the wire between battery package and the battery package and between group battery and the group battery is connected more, in addition the weight of battery package itself is heavier, can only remove or hoist and mount a whole battery package when disassembling the change and disassemble, and because the wire is direct and the inside battery interconnect of battery package, lead to when the trouble appears and need the maintenance that the process is disassembled to the wire complicated.

In addition, potential safety hazards exist easily in the operation process of dragging and hoisting, the whole battery box and the wires between the battery boxes can be dragged, the interfaces connected with the wires are loosened, poor contact is further caused, or the battery pack drops or impacts other objects when being transported and hoisted, and the whole battery pack is damaged and is short-circuited.

Inside and outside mechanical structure of sightseeing vehicle's lithium cell package, it is many like the whole process operation of all kinds of connectors of dismouting, required instrument kind is many, leads to disassembling the work complicacy, consumes a large amount of time and cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applied to quick replacement's of being convenient for battery package subassembly on vehicle, on the basis of traditional battery package mode of change, adopt nimble more simple and convenient connection and mounting means on the box of battery package for the box of battery package can be safe convenient high-efficient more when changing.

The utility model discloses a realize its purpose through following technical scheme.

The technical scheme of the utility model is to provide a be applied to the convenient quick replacement's on vehicle battery package subassembly, including at least one battery package, interface connector and connector, the interface connector pass through connector and battery package electric connection;

the connector comprises a connector socket and a connector plug which are detachably connected, the connector socket is fixedly arranged on the box body of the battery pack and electrically connected with a circuit of the battery pack, and the connector plug is electrically connected with the interface connector through a lead.

In an example of the above technical solution, the connector socket is provided with a clamping portion, an annular clamping groove formed by recessing is arranged on an outer wall of the clamping portion, and the connector plug is provided with a clamping sleeve portion inserted by matching with the clamping portion;

the connector plug is further provided with a movable button, the button is provided with a buckling part which stretches into the clamping sleeve part and extends to the annular clamping groove, and the button is reset under the action of a spring after being pressed.

In one example of the above technical solution, the interface connector is an interface connector facilitating quick detachment, and includes a charging interface connector and a discharging interface connector.

In an example of the above technical solution, the interface connector includes an interface connector socket and an interface connector plug, wherein the interface connector socket is fixed on a box of the battery pack and electrically connected to the connector, the interface connector plug is electrically connected to the charging input or the discharging output, and a handle is provided on the interface connector plug to facilitate plugging and unplugging.

In an example of the above technical solution, the charging interface connector and the discharging interface connector adopt different types of connectors which are not mutually pluggable, so as to prevent connection errors.

In an example of the above technical solution, a cylindrical part for installing the positioning and guiding integration is further arranged on a side of the box body of the battery pack, and the cylindrical part is located on a side of the box body away from the connector.

In one example of the above technical solution, a plurality of freely movable devices are further disposed on the bottom surface of the case body of the battery pack, the freely movable devices include a base and balls limited on the base for rolling, the base is fixedly mounted on the bottom surface of the case body,

in an example of the above technical solution, the battery pack includes more than two battery packs, each battery pack has a step interface connector, the step interface connector is electrically connected with the battery packs through the connectors, and the battery packs are electrically connected through the step interface connectors to realize distribution.

In an example of the above technical solution, the step-joint connector includes a step-joint connector socket and a step-joint connector plug, wherein the step-joint connector socket is fixed on the box body of the battery pack and electrically connected with the connector, the step-joint connector plug is electrically connected with the step-joint connector plug of another battery pack, and a handle is disposed on the step-joint connector plug to facilitate plugging and unplugging.

In one example of the above technical solution, the interface connector and the step interface connector are different types of connectors that are not mutually pluggable, so as to prevent connection errors.

When the battery pack needs to be replaced or maintained, the complex procedure that the whole battery pack is removed because one battery pack box needs to be maintained is avoided, the box needing to be maintained can be quickly and independently opened from the box of the whole battery pack, the problem can be solved in a shorter time, the unknown conditions caused by disassembly or the traditional carrying process are greatly reduced, the problems of poor contact between the wires and the reduction of the service life of the wires caused by the complex and complex traditional disassembly procedures are also reduced in the process of quick disassembly and replacement, the operation is simplified, the service life of the whole battery pack is prolonged, and the transportation and the installation of the battery pack are more convenient due to the positioning structure of the cylindrical part at the front end of the box (the end far away from the connector) and the freely movable device at the bottom when the battery pack box is installed.

Drawings

Fig. 1 is a schematic view of the overall structure of a battery pack assembly in the embodiment.

Fig. 2 is a schematic view of the overall structure of the battery pack assembly in the embodiment.

Fig. 3 is a schematic view of the overall structure of the connector in the embodiment.

Fig. 4 is an exploded view of the connector shown in fig. 3.

Fig. 5 is a partial cross-sectional view of the connector shown in fig. 3.

Fig. 6 is a cross-sectional view of the connector shown in fig. 3.

Fig. 7 is an example configuration view of the interface connector in the embodiment.

Fig. 8 is another example configuration view of the interface connector in the embodiment.

Fig. 9 is a structural view of a stage coupling connector in an embodiment.

Fig. 10 is a partial cross-sectional view of the free-moving device in an embodiment.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, technical solutions between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the scope of the disclosure of the present invention.

In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for the convenience of explanation of the present invention, and do not have a specific meaning per se. And thus may be used mixedly.

As shown in fig. 1 and 2, the battery pack assembly for facilitating quick replacement of a tourist bus includes two battery packs 10, an interface connector 20 and a step coupling connector 30, wherein current and signal output and input of the battery packs are respectively connected to the interface connector 20 and the step coupling connector 30 through connectors 40 installed at a side of a housing.

As shown in fig. 3 to 6, the connector 40 includes a connector socket 41 and a connector plug 42, which are detachably connected, the connector socket 41 is fixedly installed on the surface of the case body of the battery pack 10 and is electrically connected with the internal circuit of the battery pack, and the connector plug 42 is electrically connected with the interface connector through a wire.

Specifically, the connector socket 41 is provided with a clamping portion 411, an annular clamping groove 412 formed in a concave manner is formed in the outer wall of the clamping portion 411, and the connector plug 42 is provided with a clamping sleeve portion 421 matched with the clamping portion in an inserted manner; of course, the connector socket and the connector plug also have electrical connection parts to make the circuit through when the two are matched.

Still be provided with the button 422 of activity at connector plug 42, the button is injectd in the connector plug, inside is equipped with spring 423 and supports the button and resets, be equipped with on the button 422 and stretch into the inside of cutting ferrule portion and extend to ring groove's buckle portion 4220, when connecting, press the button earlier, cover the cutting ferrule portion of connector plug on the joint portion of connector socket, it resets to loosen the button, connector socket and connector plug can not break away from under the injectment of buckle portion this moment, when will dismantling, take off the connector plug when pressing the button can.

As shown in fig. 7 and 8, the interface connector 20 is an interface connector for facilitating quick disassembly for charging input and discharging output of the battery pack assembly, and includes a charging interface connector and a discharging interface connector, both mounted on the first battery pack 10.

Each interface connector 20 includes an interface connector socket 21 and an interface connector plug 22, wherein the interface connector socket is fixed to the box of the battery pack 10 by a screw welded to the box of the battery pack itself and a nut having an external vibration prevention function, and is electrically connected to the connector plug 42 by a wire, the input of the power utilization end output and the charging end is connected to the interface connector plug 22 of the interface connector by a wire, and a lifting handle 221 is provided on the interface connector plug to facilitate plugging and unplugging.

The connectors which are used for the charging connector and the discharging connector are different in type and can not be plugged with each other, so that connection errors can be prevented, the corresponding connectors can be plugged according to the interface types of the power supply end of the box body, and the connection between the power utilization end and the charging end is realized.

As shown in fig. 2, a cylindrical member 50 for mounting the positioning and guiding unit is further provided at a side of the case of each battery pack 10, and the cylindrical member is located at a side of the case away from the connector. The cylindrical part is matched with a space structure required by the box body for placing the battery pack when the cylindrical part is installed, so that the placing position of the box body for placing the battery pack is more accurate.

As shown in fig. 10, a plurality of free-moving devices 70 are further provided on the bottom surface of the case of each battery pack 10, the free-moving devices including a base 71 fixedly mounted on the bottom surface of the case and balls 72 defined to roll on the base. The free moving device at the bottom of the box body of the battery pack is fixed with the additional nut through the screw welded at the bottom of the box body, and then the free movement of the box body of the whole battery pack is realized.

As shown in fig. 1, 2 and 9, in order to implement the cascade connection between the batteries, each battery pack 10 has a step connector 30, the step connector 30 is used to electrically connect two battery packs, and the step connectors of the two battery packs are connected by using two ends of a wire, and are respectively installed and then plugged into a cascade interface connection socket defined on the side, so as to complete the cascade connection step of the two battery packs.

The step-joint connector 30 includes a step-joint connector socket 31 and a step-joint connector plug 32, wherein the step-joint connector socket is fixed on the box body of the battery pack and electrically connected with the connector, the step-joint connector plug can be electrically connected with the step-joint connector plug of another battery pack through a wire, and a handle 321 is arranged on the step-joint connector plug to facilitate plugging and unplugging.

In the battery pack assembly of the present embodiment, the interface connector and the step coupling connector are different types of connectors that are not insertable into each other, so as to prevent connection errors.

When the terminal of the sightseeing bus displays that the battery pack has faults or abnormity, so that the battery assembly cannot be normally used and needs to be maintained and inspected, the quick detachable interface connector arranged on the side edge of the box body can be immediately pulled out to disconnect the power supply end and the power utilization end of the battery pack assembly at the first time, when one battery pack is inspected one by one, if one battery pack has a fault, the grade connection connector connected with the battery pack can be quickly pulled out, so that the fault battery pack can be quickly stripped from the whole battery pack assembly, the fault battery pack is dragged out from a battery bin position through the handle at the front end of the box body and the free-moving device at the bottom of the box body and then is directly conveyed to a maintenance position, if two side connectors or wires of the box body are found to have faults, the reset button on the side surface of the connector plug can be directly pressed down to disconnect the external connecting wire of the battery pack box body from the internal connecting wire of the battery pack, if the connector at the charge and discharge end or the cascade end is damaged, the nut fixed by the connector can be removed by using a tool and then replaced, and the connector is installed in the same way after the abnormal problem is processed.

The battery package subassembly in this embodiment makes the battery package install or follow-up inspection maintenance operation in-process simpler, more convenient, avoids dismantling and the emergence of a lot of unknown conditions in the handling because of the complicacy, improves the operating efficiency

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. A battery pack assembly for a vehicle that facilitates quick replacement,

the battery pack comprises at least one battery pack, an interface connector and a connector, wherein the interface connector is electrically connected with the battery pack through the connector;

2. The battery pack assembly applied to a vehicle for facilitating quick replacement of the battery pack as claimed in claim 1, wherein the connector receptacle is provided with a clamping portion, an annular clamping groove concavely formed is formed in an outer wall of the clamping portion, and the connector plug is provided with a clamping sleeve portion into which the clamping portion is inserted;

3. The quick change convenience battery pack assembly as claimed in claim 1, wherein the interface connector includes a charging interface connector and a discharging interface connector for quick removal.

4. The battery pack assembly as claimed in claim 3, wherein the interface connector comprises an interface connector socket and an interface connector plug, the interface connector socket is fixed on the battery pack case and electrically connected to the connector, the interface connector plug is electrically connected to the charging input or the discharging output, and the interface connector plug is provided with a handle for easy insertion and removal.

5. The quick change-able battery pack assembly as claimed in claim 3, wherein the charging connector and the discharging connector are different types of connectors that are not insertable to each other, so as to prevent connection errors.

6. The battery pack assembly for vehicle quick replacement as claimed in claim 1, wherein a cylindrical member for mounting and guiding the battery pack is further provided at a side of the case body of the battery pack, the cylindrical member being located at a side of the case body away from the connector.

7. The battery pack assembly for quick change on a vehicle as claimed in claim 1, wherein a plurality of free moving means are further provided on the bottom surface of the case of the battery pack, the free moving means including a base and balls defined to roll on the base, the base being fixedly mounted on the bottom surface of the case.

8. The quick change-facilitating battery pack assembly for use in a vehicle according to any one of claims 1 to 7,

the battery pack distribution system comprises more than two battery packs, wherein each battery pack is provided with a stage joint connector, the stage joint connectors are electrically connected with the battery packs through the connectors, and distribution is realized by electrically connecting the battery packs through the stage joint connectors.

9. The battery pack assembly as claimed in claim 8, wherein the step coupling connector comprises a step coupling connector socket and a step coupling connector plug, wherein the step coupling connector socket is fixed on the box of the battery pack and electrically connected to the connector, the step coupling connector plug is electrically connected to a step coupling connector plug of another battery pack, and a handle is provided on the step coupling connector plug for easy insertion and removal.

10. The quick change-convenient battery pack assembly for vehicles according to claim 8, wherein the interface connector and the step coupling connector are different types of connectors that are not insertable to each other, so as to prevent connection errors.