CN112278075B

CN112278075B - Pure electric vehicles cabin arrangement structure

Info

Publication number: CN112278075B
Application number: CN202010979941.XA
Authority: CN
Inventors: 邹星; 李广军; 刘莹; 谢佳萍; 李�瑞
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2022-02-01
Anticipated expiration: 2040-09-17
Also published as: CN112278075A

Abstract

The invention relates to a cabin arrangement structure of a pure electric vehicle, which belongs to the technical field of vehicle manufacturing and comprises a cabin, wherein a cabin cross beam is fixedly arranged in the cabin, a charger, a PTC heater and a storage battery are sequentially arranged at the top of the cabin cross beam from right to left, the charger is fixedly connected with the cabin cross beam through a charger bracket, the storage battery is fixedly connected with the cabin cross beam through a storage battery frame bracket, the charger and the PTC heater are both connected with a main wire harness, and the main wire harness is fixed on the main wire harness bracket at the front side of the charger bracket; the electric drive assembly is fixedly installed at the bottom of the cabin beam and provided with an electric drive wiring harness, the electric drive wiring harness is fixed on the electric drive assembly through a wiring harness buckle, and the end of the electric drive wiring harness is connected with the main wiring harness in a plugging and unplugging mode through a connector. The end of the electric drive wire harness is connected with the main wire harness in a plugging mode through the connector, so that the assembly time of the whole vehicle can be greatly saved, the assembly beat of the whole vehicle is improved, and the assembly efficiency of the whole vehicle is improved.

Description

Pure electric vehicles cabin arrangement structure

Technical Field

The application relates to the technical field of automobile manufacturing, in particular to an arrangement structure of an engine room of a pure electric automobile.

Background

In the present day when the development of electric vehicles is fast, the arrangement of the electric vehicle cabin is also more and more paid attention and concerned. Compared with the cabin arrangement structure of the traditional automobile, on one hand, the whole arrangement cost of the cabin is relatively tense due to the fact that the pure electric automobile is additionally provided with large parts such as a motor controller, a high-voltage distribution box and a driving motor; on the other hand, the increased high and low voltage electric equipment of the electric automobile causes the number of parts such as high and low voltage cables, cabin wiring harnesses and the like to be numerous and complicated in arrangement, which is always a key point and a difficulty point in the whole automobile arrangement.

In the related technology, the number of various electrical components of the electric automobile is relatively large, but the space of an engine room cannot be increased, so the arrangement space of the electrical components is limited and very compact; and because the electric appliance elements are more, the wire harnesses in the electric automobile cabin are more, the problem of messy arrangement is easy to occur, and the wire harnesses are in the high-temperature cabin for a long time and are easy to damage.

If the high-voltage and low-voltage wire harnesses in the engine room are unreasonably arranged and run and are crossed and disordered, the assembly process of the engine room becomes complicated, and the disassembly and maintenance performance is poor; if the related wire harness is not fixed or restrained, the wire harness is continuously stressed to be bent or cut in the running process of the vehicle, and serious consequences such as potential safety hazard prevention or functional failure exist.

Modern electric automobile faces quick iteration demand, often needs to carry on full new power assembly, faces cabin pencil and needs brand-new arrangement and design, and power assembly need accomplish arranging and fixing of pencil on the assembly production line, occupies the operating time of assembly production line, has reduced the work beat of assembly production line, is unfavorable for improving the production efficiency of assembly. How to ensure that the carrying work of a brand-new power assembly is completed with the least cost is also the problem that the whole vehicle arrangement needs to be considered.

Disclosure of Invention

The embodiment of the application provides a pure electric vehicles cabin arrangement structure to change brand-new power assembly and need rearrange the cabin pencil among the solution correlation technique, reduced the beat of assembly, be unfavorable for improving the production efficiency's of assembly problem.

The embodiment of the application provides a pure electric vehicles cabin arrangement structure, includes:

the electric vehicle comprises a cabin, wherein a cabin cross beam is fixedly arranged in the cabin, a charger, a PTC heater and a storage battery are sequentially arranged at the top of the cabin cross beam from right to left, the charger is fixedly connected with the cabin cross beam through a charger bracket, the storage battery is fixedly connected with the cabin cross beam through a storage battery frame bracket, the charger and the PTC heater are both connected with a main wire harness, and the main wire harness is fixed on a main wire harness bracket at the front side of the charger bracket;

the electric drive assembly is fixedly installed at the bottom of the cabin cross beam and provided with an electric drive wiring harness, the electric drive wiring harness is fixed on the electric drive assembly through a wiring harness buckle, and the end of the electric drive wiring harness is connected with the main wiring harness in a plugging and unplugging mode through a connector.

In some embodiments: a cabin beam between the PTC heater and the storage battery frame bracket is provided with a cabin wiring harness bracket, the right side and the front side of the storage battery frame bracket are provided with small brackets, two connectors are arranged, and the two connectors are arranged in the horizontal direction;

the electric driving wire harness and one of the connectors are fixedly installed on the cabin wire harness support, the other connector is fixedly connected to the small support on the right side of the storage battery frame support, and the main wire harness is fixedly connected to the small support on the front side of the storage battery frame support through a wire harness buckle.

In some embodiments: the charger is electrically connected with the storage battery through a DCDC positive cable and a DCDC negative cable, a front fixing support is arranged on the front side of the charger support, and a three-way valve support is arranged on the rear side of the charger support;

the DCDC positive cable is respectively fixed on the cabin wire harness support and the front fixing support through the wire harness buckle, the DCDC negative cable is respectively fixed on the cabin wire harness support and the three-way valve support through the wire harness buckle, and the main wire harness is fixed on the cabin wire harness support through the wire harness buckle.

In some embodiments: the rear end of the charger is provided with a PTC high-voltage cable electrically connected with the PTC heater, the main wiring harness is provided with a PTC low-voltage wiring harness electrically connected with the PTC heater, the left side of the charger support is provided with two PTC wiring harness supports, and the PTC high-voltage cable and the PTC low-voltage wiring harness are fixed on the PTC wiring harness supports through wiring harness buckles respectively.

In some embodiments: the electric drive assembly comprises a drive motor and a speed reducer assembly, a compressor is fixedly mounted on the drive motor, the electric drive wire harness comprises a compressor low-voltage wire harness electrically connected with the compressor, and the front side of the charger is connected with a compressor high-voltage cable electrically connected with the compressor;

the low-voltage wire harness charger is characterized in that a motor wire harness support is arranged on the driving motor, the compressor low-voltage wire harness is fixed on the motor wire harness support through a wire harness buckle, a slow charging support is arranged on the front side of the charger support, and the compressor high-voltage cable is fixed on the slow charging support and the main wire harness support through the wire harness buckle.

In some embodiments: the battery pack charging device is characterized in that a quick charging support is arranged on the right side of the charger support, a quick charging cable is fixed on the quick charging support through a wiring harness buckle, and the quick charging cable charges a battery pack through a battery management system control unit.

In some embodiments: the quick charging support comprises a vertical plate, a top plate and a bottom plate, wherein the top plate is vertically connected to the top of the vertical plate, the bottom plate is vertically connected to the bottom of the vertical plate, fixing holes for connecting wire harness buckles are formed in the top plate, mounting holes connected with a charging machine support are formed in the bottom plate, and clamping jaws matched with the charging machine support are arranged on two sides of the bottom plate.

In some embodiments: the battery pack charging device is characterized in that a slow charging support is arranged on the front side of the charger support, a slow charging cable is fixed on the slow charging support through a wiring harness buckle, one end of the slow charging cable is connected with the front side of the charger, and the slow charging cable charges a battery pack through the charger.

In some embodiments: the storage battery frame is arranged at the top of the storage battery frame support, the storage battery is fixed in the storage battery frame, the storage battery is provided with a storage battery anode cable, and the storage battery anode cable is fixed on the storage battery frame through a wiring harness buckle.

In some embodiments: the PTC heater is provided with a PTC heater support, the PTC heater support is located on a cabin cross beam of the charger support and the storage battery frame support, the PTC heater support is provided with a wire harness buckle for fixing the main wire harness, and the main wire harness is fixedly connected with the PTC heater support through the wire harness buckle.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a cabin arrangement structure of a pure electric vehicle, and the cabin beam is arranged, so that a charger, a PTC heater and a storage battery are sequentially arranged at the top of the cabin beam from right to left; the electric drive assembly is fixedly installed at the bottom of the cabin beam and provided with an electric drive wiring harness, the electric drive wiring harness is fixed on the electric drive assembly through a wiring harness buckle, and the end of the electric drive wiring harness is connected with the main wiring harness in a plugging and unplugging mode through a connector.

Therefore, the electric drive assembly is located the bottom of cabin crossbeam, and the tip of electric drive pencil passes through the connector and is connected with the plug of main pencil, and the electric drive assembly can accomplish the partial shipment under the total partial shipment line of power, then with whole power assembly on the total assembly line with the automobile body accomplish to attach together can. Meanwhile, the electric driving wire harness can be firstly split-packaged with the electric driving assembly under a power assembly assembling line, and after the power assembly is integrally combined, the electric driving wire harness is then butted with a main wire harness of the whole vehicle. The scheme can greatly save the assembly time of the whole vehicle, improve the assembly beat of the whole vehicle and contribute to improving the assembly efficiency of the whole vehicle.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application without a nacelle and without an electric drive assembly;

FIG. 3 is a schematic structural view of an electric drive assembly and a nacelle crossbeam according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an electric drive assembly according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a charger, a charger bracket and an engine room beam according to an embodiment of the application;

fig. 6 is a schematic circuit layout diagram of a charger and a storage battery according to an embodiment of the application;

FIG. 7 is a schematic diagram illustrating the routing of an electric drive harness and a main harness in an embodiment of the present application;

fig. 8 is a schematic diagram illustrating a wiring layout of a DCDC negative cable according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a quick-fill bracket according to an embodiment of the present application.

Reference numerals:

1. a quick charging cable; 2. a slow charging cable; 3. a compressor high voltage cable; 4. slowly charging the bracket; 5. a quick-charging bracket; 6. a charger support; 7. a charger; 8. a compressor; 9. a nacelle crossbeam; 10. a motor harness support; 11. an electric drive assembly; 12. electrically driving a wire harness; 13. a PTC high voltage cable; 14. a PTC harness support; 15. a main wire harness; 16. a front fixing bracket; 17. a PTC heater; 18. a DCDC positive cable; 19. a three-way valve bracket; 20. a DCDC negative cable; 21. a cabin harness support; 22. a storage battery; 23. a battery frame; 24. a battery positive cable; 25. a suspension bracket; 26. a main harness support; 27. a small support; 28. a battery frame support; 29. a PTC heater bracket; 30. a PTC low voltage wire harness; 31. a connector; 32. a compressor low pressure wire harness; 33. a nacelle; 51. a vertical plate; 52. a top plate; 53. a base plate; 54. a claw; 55. a fixing hole; 56. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a pure electric vehicles cabin arrangement structure, and it needs to rearrange the cabin pencil to change brand-new power assembly among the correlation technique, has reduced the work beat of final assembly, is unfavorable for improving the production efficiency's of final assembly problem.

Referring to fig. 1 to 5, an embodiment of the present application provides a pure electric vehicle cabin arrangement structure, including:

the engine room 33 is internally and horizontally and fixedly provided with an engine room cross beam 9, the engine room cross beam 9 is of a hollow aluminum alloy plate structure, and two ends of the engine room cross beam 9 are vertically connected with a left longitudinal beam and a right longitudinal beam in the engine room 33 through suspension brackets 25. The top of the cabin beam 9 is sequentially provided with a charger 7, a PTC heater 17 and a storage battery 22 from right to left, wherein the charger 7 is fixedly connected with the cabin beam 9 through a charger bracket 6, and the storage battery 22 is fixedly connected with the cabin beam 9 through a storage battery frame bracket 28.

The charger 7 and the PTC heater 17 are both connected with a main wire harness 15, the main wire harness 15 is a circuit main path in the cabin 33, the main wire harness 15 enters the cabin 33 from the cockpit and is used for providing electric connection with various electric appliances in the cabin 33, the main wire harness 15 is fixed on a main wire harness support 26 on the front side of the charger support 6 through a wire harness buckle, and the main wire harness support 26 is connected with the charger support 6 through a screw.

The electric drive assembly 11 is fixedly installed at the bottom of the cabin cross beam 9, the electric drive assembly 11 is provided with an electric drive wiring harness 12, the electric drive wiring harness 12 is fixed on the electric drive assembly 11 through a plurality of wiring harness buckles, and the end of the electric drive wiring harness 12 is connected with the main wiring harness 15 in a plugging and unplugging mode through a connector 31.

Because the electric drive assembly 11 is located the bottom of cabin crossbeam 9, and the tip of electric drive pencil 12 passes through connector 31 and is connected with main pencil 15 plug, and electric drive assembly 11 can accomplish the partial shipment under the total assembly line of power, then with whole electric drive assembly 11 with the automobile body completion dress on the total assembly line again can. Meanwhile, the electric driving wire harness 12 and the electric driving assembly 11 can be firstly split under a power total component assembling line, and after the power assembly is integrally assembled, the electric driving wire harness 12 is butted with a main wire harness 15 of the whole vehicle. The scheme can greatly save the assembly time of the whole vehicle, improve the assembly beat of the whole vehicle and contribute to improving the assembly efficiency of the whole vehicle.

In some alternative embodiments: referring to fig. 2, 5 and 7, the embodiment of the application provides a pure electric vehicle cabin arrangement structure, and a cabin harness support 21 is fixedly arranged on a cabin cross beam 9 between a PTC heater 17 and a battery frame support 28 of the structure. The right side and the front side of battery frame support 28 all are fixed and are equipped with little support 27, and connector 31 is equipped with two, and two connectors 31 all are the horizontal direction setting.

The electric drive harness 12 is provided with two branch harnesses, one branch harness of the electric drive harness 12 and one connector 31 are fixedly mounted on the cabin harness support 21, and the other branch harness of the electric drive harness 12 and the other connector 31 are fixedly connected on the small support 27 on the right side of the battery frame support 28. The main harness 15 is fixedly connected to a small bracket 27 on the front side of the battery frame bracket 28 by a harness snap.

The electric drive harness 12 and the main harness 15 are horizontally butted above the cabin cross beam 9 through two connectors 31, and the risk of water entering the connectors 31 can be avoided. The two connectors 31 are respectively and fixedly installed on the cabin wiring harness support 21 and the small support 27 on the right side of the storage battery frame support 28, so that the two connectors 31 can be respectively fixed, and the wiring harness is ensured to be regular and have no cross.

In some alternative embodiments: referring to fig. 1, 3, 6 and 8, the embodiment of the present application provides a cabin arrangement structure of a pure electric vehicle, and a charger 7 of the cabin arrangement structure is electrically connected to a storage battery 22 through a DCDC positive cable 18 and a DCDC negative cable 20. The charger 7 integrates a DC/DC converter, and the charger 7 converts the high-voltage DC power of the battery pack into low-voltage DC power to charge the storage battery 22. The front side of the charger bracket 6 is provided with a front fixing bracket 16, and the rear side of the charger bracket 6 is provided with a three-way valve bracket 19.

The DCDC positive cable 18 is fixed on the cabin wiring harness support 21 and the front fixing support 16 through wiring harness buckles respectively, the DCDC negative cable 20 is fixed on the cabin wiring harness support 21 and the three-way valve support 19 through wiring harness buckles respectively, and the main wiring harness 15 is fixed on the cabin wiring harness support 21 through wiring harness buckles.

A cabin wiring harness support 21, a three-way valve support 19 and a front fixing support 16 are additionally arranged on the cabin cross beam 9 and the charger support 6, so that fixing and arranging guidance are provided for wiring harnesses, the wiring harnesses are well fixed, and the reliability is good. And part of the wire harness is fixed through the cabin wire harness support 21, the three-way valve support 19 and the front fixing support 16, so that the local stress release of the wire harness is ensured, and the related risks of security and disaster prevention are reasonably avoided.

In some alternative embodiments: referring to fig. 1, 2, 5 and 9, an embodiment of the present application provides a cabin arrangement structure of a pure electric vehicle, a PTC high-voltage cable 13 electrically connected with a PTC heater 17 is disposed at a rear end of a charger 7 of the cabin arrangement structure, a PTC low-voltage wire harness 30 electrically connected with the PTC heater 17 is disposed on a main wire harness 15, two PTC wire harness brackets 14 are disposed on a left side of a charger bracket 6, and the PTC high-voltage cable 13 and the PTC low-voltage wire harness 30 are respectively fixed on the PTC wire harness brackets 14 through wire harness buckles.

The PTC wire harness support 14 and the charger 7 are fixed together by two welding bolts on the left side of the charger support 6, and the two PTC wire harness supports 14 are used for fixing the PTC high-voltage cable 13 and the PTC low-voltage wire harness 30. The PTC wire harness support 14 has the same structure as the quick-charging support 5, the PTC wire harness support 14 is of a Z-shaped structure, the PTC wire harness support 14 comprises a vertical plate 51, a top plate 52 and a bottom plate 53, the top plate 52 is vertically connected to the top of the vertical plate 51, and the bottom plate 53 is vertically connected to the bottom of the vertical plate 51.

The top plate 52 is provided with a fixing hole 55 for connecting a wire harness buckle, the bottom plate 53 is provided with a mounting hole 56 connected with the charger support 6, and the two sides of the bottom plate 53 are provided with clamping jaws 54 matched with the charger support 6. The clamping jaws 54 on the two sides of the bottom plate of the PTC wire harness support 14 and the charger support 6 form an anti-rotation structure, namely, two opposite clamping jaws 54 are arranged below the PTC wire harness support 14, and the two clamping jaws 54 clamp the charger support 6 to prevent the PTC wire harness support 14 from rotating on the charger support 6.

The PTC heater 17 is provided with a PTC heater bracket 29, the PTC heater bracket 29 is positioned on the cabin cross beam 9 between the charger bracket 6 and the storage battery frame bracket 28, the PTC heater bracket 29 is provided with a wire harness buckle for fixing the main wire harness 15, and the main wire harness 15 is fixedly connected with the PTC heater bracket 29 through the wire harness buckle.

In some alternative embodiments: referring to fig. 3 and 4, the embodiment of the present application provides a cabin arrangement structure of a pure electric vehicle, where an electric drive assembly 11 of the cabin arrangement structure includes a drive motor and a reducer assembly, a compressor 8 is fixedly mounted on the drive motor, and the compressor 8 is an electric compressor. The electric drive wire harness 12 comprises a compressor low-voltage wire harness 32 electrically connected with the compressor 8, and the front side of the charger 7 is connected with a compressor high-voltage cable 3 electrically connected with the compressor 8; the compressor low voltage harness 32 and the compressor high voltage cable 3 are electrically connected to the compressor 8.

The motor wiring harness support 10 is arranged on the driving motor, and the motor wiring harness support 10 is fixed on the right side of the driving motor by means of the existing fixing hole position of the driving motor and provides fixing for the electric driving wiring harness 12 to be connected to the compressor low-voltage wiring harness 32 of the compressor 8. The compressor low voltage wiring harness 32 is fixed on the motor wiring harness support 10 through a wiring harness buckle. The front side of the charger support 6 is provided with a slow charging support 4, and the compressor high-voltage cable 3 is fixed on the slow charging support 4 and the main wiring harness support 26 through wiring harness buckles.

The electric drive wire harness 12 is provided with a compressor low-voltage wire harness 32 for providing connection for the compressor 8, and the compressor low-voltage wire harness 32 is directly connected with the compressor 8 located at the lower portion of the electric drive assembly 11, so that the technical problem that the connector assembly is difficult due to the fact that the main wire harness 15 is connected with the compressor 8 is solved, and the problem of high cost caused by the fact that an independent segmented wire harness is added is also solved. Except the electric driving wire harness 12, other electric appliances are directly connected by the main wire harness 15, so that the manufacturing cost of the connector produced by butt joint of the sectional wire harnesses is effectively reduced.

In some alternative embodiments: referring to fig. 1, fig. 2, fig. 5, and fig. 9, an embodiment of the present application provides a cabin arrangement structure of a pure electric vehicle, where two quick-charging brackets 5 are disposed on the right side of a charger bracket 6 of the cabin arrangement structure, a quick-charging cable 1 is fixed to the two quick-charging brackets 5 through a harness buckle, and the quick-charging cable 1 charges a battery pack through a battery management system control unit.

The quick charging support 5 and the charger 7 are fixed together by two welding bolts on the right side of the charger support 6, and the two quick charging supports 5 are both fixed by the quick charging cable 1. The quick-charging support 5 is of a Z-shaped structure, the quick-charging support 5 comprises a vertical plate 51, a top plate 52 and a bottom plate 53, the top plate 52 is vertically connected to the top of the vertical plate 51, and the bottom plate 53 is vertically connected to the bottom of the vertical plate 51. The top plate 52 is provided with a fixing hole 55 for connecting a wire harness buckle, the bottom plate 53 is provided with a mounting hole 56 connected with the charger support 6, and the two sides of the bottom plate 53 are provided with clamping jaws 54 matched with the charger support 6.

The clamping jaws 54 on the two sides of the bottom plate 53 of the quick charging support 5 and the charger support 6 form an anti-rotation structure, namely, two opposite clamping jaws 54 are arranged below the quick charging support 5, and the two clamping jaws 54 clamp the charger support 6 to prevent the quick charging support 5 from rotating on the charger support 6.

In some alternative embodiments: referring to fig. 1, 2 and 5, an embodiment of the application provides a cabin arrangement structure of a pure electric vehicle, a slow charging support 4 is arranged on the front side of a charger support 6 of the cabin arrangement structure, a slow charging cable 2 is fixed on the slow charging support 4 through a wire harness buckle, one end of the slow charging cable 2 is connected with the front side of the charger, and the slow charging cable charges a battery pack through the charger. The slow charging support 4 is fixed on the right front side of the charger support 6 and provides fixing points for the slow charging cable 2 and the compressor high-voltage cable 3.

In some alternative embodiments: referring to fig. 1 and fig. 6, the embodiment of the present application provides a cabin arrangement structure of a pure electric vehicle, in which a battery frame 23 is disposed on a top of a battery frame support 28, a battery 22 is fixed in the battery frame 23, the battery 22 is provided with a battery positive cable 24, and the battery positive cable 24 is fastened to the battery frame 23 through a harness buckle.

Principle of operation

The slow-charging support 4, the fast-charging support 5, the motor wire harness support 10, the PTC wire harness support 14, the front fixing support 16, the three-way valve support 19, the cabin wire harness support 21, the main wire harness support 26 and the small support 27 can all complete sub-packaging under a power assembly line, and then the whole power assembly is assembled on the assembly line. Meanwhile, the electric driving wire harness 12 can be firstly separated with the electric driving assembly 11 under the on-line mode, and after the power assembly is integrally combined, the electric driving wire harness 12 is butted with the main wire harness 15 of the whole vehicle. The scheme can greatly save the assembly time of the whole vehicle, improve the assembly beat of the whole vehicle and contribute to improving the assembly efficiency of the whole vehicle. Meanwhile, the related wire harness support of the cabin arrangement scheme is fixed above the charger support 6 or the cabin beam 9, so that the disassembly and the maintenance are convenient.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pure electric vehicle cabin arrangement structure, characterized by comprising:

the electric vehicle cabin comprises a cabin (33), wherein a cabin cross beam (9) is fixedly arranged in the cabin (33), a charger (7), a PTC heater (17) and a storage battery (22) are sequentially arranged at the top of the cabin cross beam (9) from right to left, the charger (7) is fixedly connected with the cabin cross beam (9) through a charger support (6), the storage battery (22) is fixedly connected with the cabin cross beam (9) through a storage battery frame support (28), the charger (7) and the PTC heater (17) are both connected with a main wire harness (15), and the main wire harness (15) is fixed on a main wire harness support (26) on the front side of the charger support (6);

the electric drive assembly (11) is fixedly mounted at the bottom of the cabin cross beam (9), an electric drive wiring harness (12) is arranged on the electric drive assembly (11), the electric drive wiring harness (12) is fixed on the electric drive assembly (11) through a wiring harness buckle, and the end of the electric drive wiring harness (12) is connected with the main wiring harness (15) in a plugging and unplugging mode through a connector (31);

the rear end of the charger (7) is provided with a PTC high-voltage cable (13) electrically connected with the PTC heater (17), the main wiring harness (15) is provided with a PTC low-voltage wiring harness (30) electrically connected with the PTC heater (17), the left side of the charger support (6) is provided with two PTC wiring harness supports (14), and the PTC high-voltage cable (13) and the PTC low-voltage wiring harness (30) are fixed on the PTC wiring harness supports (14) through wiring harness buckles respectively.

2. The pure electric vehicle cabin arrangement structure of claim 1, wherein:

a cabin beam (9) between the PTC heater (17) and the storage battery frame support (28) is provided with a cabin wiring harness support (21), the right side and the front side of the storage battery frame support (28) are provided with small supports (27), two connectors (31) are arranged, and the two connectors (31) are arranged in the horizontal direction;

the electric drive wire harness (12) and one connector (31) are fixedly mounted on the cabin wire harness support (21), the other connector (31) is fixedly connected to a small support (27) on the right side of the storage battery frame support (28), and the main wire harness (15) is fixedly connected to the small support (27) on the front side of the storage battery frame support (28) through a wire harness buckle.

3. The pure electric vehicle cabin arrangement structure of claim 2, wherein:

the charger (7) is electrically connected with the storage battery (22) through a DCDC positive cable (18) and a DCDC negative cable (20), a front fixing support (16) is arranged on the front side of the charger support (6), and a three-way valve support (19) is arranged on the rear side of the charger support (6);

the DCDC positive cable (18) is respectively fixed on the cabin wiring harness support (21) and the front fixing support (16) through wiring harness buckles, the DCDC negative cable (20) is respectively fixed on the cabin wiring harness support (21) and the three-way valve support (19) through wiring harness buckles, and the main wiring harness (15) is fixed on the cabin wiring harness support (21) through wiring harness buckles.

4. The pure electric vehicle cabin arrangement structure of claim 1, wherein:

the electric drive assembly (11) comprises a drive motor and a speed reducer assembly, a compressor (8) is fixedly mounted on the drive motor, the electric drive wiring harness (12) comprises a compressor low-voltage wiring harness (32) electrically connected with the compressor (8), and the front side of the charger (7) is connected with a compressor high-voltage cable (3) electrically connected with the compressor (8);

the motor low-voltage wire harness slow charging device is characterized in that a motor wire harness support (10) is arranged on the driving motor, a compressor low-voltage wire harness (32) is fixed to the motor wire harness support (10) through a wire harness buckle, a slow charging support (4) is arranged on the front side of the charger support (6), and a compressor high-voltage cable (3) is fixed to the slow charging support (4) and the main wire harness support (26) through the wire harness buckle.

5. The pure electric vehicle cabin arrangement structure of claim 1, wherein:

the battery charger is characterized in that a quick charging support (5) is arranged on the right side of the charger support (6), a quick charging cable (1) is fixed on the quick charging support (5) through a wiring harness buckle, and the quick charging cable (1) charges a battery pack through a battery management system control unit.

6. The pure electric vehicle cabin arrangement structure of claim 5, wherein:

fill support (5) soon and include riser (51), roof (52) and bottom plate (53), roof (52) are connected perpendicularly the top of riser (51), bottom plate (53) are connected perpendicularly the bottom of riser (51), be equipped with on roof (52) and be used for connecting fixed orifices (55) of pencil buckle, be equipped with on bottom plate (53) with mounting hole (56) that charge machine support (6) are connected, the both sides of bottom plate (53) are equipped with and charge machine support (6) complex jack catch (54).

7. The pure electric vehicle cabin arrangement structure of claim 1, wherein:

the battery pack charging device is characterized in that a slow charging support (4) is arranged on the front side of the charger support (6), a slow charging cable (2) is fixed on the slow charging support (4) through a wiring harness buckle, one end of the slow charging cable (2) is connected with the front side of the charger (7), and the slow charging cable (2) charges a battery pack through the charger (7).

8. The pure electric vehicle cabin arrangement structure of claim 1, wherein:

the storage battery frame support is characterized in that a storage battery frame (23) is arranged at the top of the storage battery frame support (28), the storage battery (22) is fixed in the storage battery frame (23), a storage battery anode cable (24) is arranged on the storage battery (22), and the storage battery anode cable (24) is fixed on the storage battery frame (23) through a wiring harness buckle.

9. The pure electric vehicle cabin arrangement structure of claim 1, wherein:

the PTC heater is characterized in that a PTC heater support (29) is arranged on the PTC heater (17), the PTC heater support (29) is located on a cabin cross beam (9) between the charger support (6) and the storage battery frame support (28), a wire harness buckle for fixing the main wire harness (15) is arranged on the PTC heater support (29), and the main wire harness (15) is fixedly connected with the PTC heater support (29) through the wire harness buckle.