CN214356256U - Chassis and hybrid vehicle - Google Patents
Chassis and hybrid vehicle Download PDFInfo
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- CN214356256U CN214356256U CN202023059098.8U CN202023059098U CN214356256U CN 214356256 U CN214356256 U CN 214356256U CN 202023059098 U CN202023059098 U CN 202023059098U CN 214356256 U CN214356256 U CN 214356256U
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Abstract
The utility model provides a chassis and hybrid vehicle, which relates to the technical field of vehicles and is used for solving the technical problems of low space utilization rate of the chassis and communication interference of high and low voltage wire harnesses, wherein the chassis comprises a frame, the frame comprises two longitudinal beams which are oppositely arranged, and an engine and a motor are arranged between the two longitudinal beams; the chassis is further provided with a low-voltage battery and a high-voltage battery, the low-voltage battery and the high-voltage battery are respectively arranged on the outer sides of the two longitudinal beams, the low-voltage battery is electrically connected with a low-voltage electrical appliance in the hybrid vehicle through a low-voltage wiring harness, and the high-voltage battery is electrically connected with the motor through a high-voltage wiring harness. The high-voltage battery is positioned on the outer side of one of the two longitudinal beams, and the low-voltage battery is positioned on the outer side of the other longitudinal beam, so that the space on two sides of the longitudinal beam can be utilized, and the chassis is compact in structure. In addition, the high-voltage wire harness connected with the high-voltage battery and the low-voltage wire harness connected with the low-voltage battery are separately arranged, the interval is long, and the communication interference between the high-voltage wire harness and the low-voltage wire harness is small.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to a chassis and hybrid vehicle.
Background
With the stricter environmental protection measures in all countries in the world, hybrid vehicles are becoming the key point of vehicle research and development due to the characteristics of energy conservation, low emission and the like. The hybrid vehicle refers to a vehicle in which a vehicle drive system is composed of a combination of two or more single drive systems capable of operating simultaneously, and the running power of the vehicle is provided by the single drive systems individually or together according to the running state of the vehicle.
Hybrid vehicles include gasoline-electric hybrid vehicles, which generally include two power sources, an engine and an electric motor. The engine and the motor are usually arranged on a chassis, and a transmission, a power battery, a transmission shaft and other assemblies are also arranged on the chassis, namely, a power system and a transmission system of the hybrid vehicle are usually integrated on the chassis.
In the related art, the design of the chassis is usually decomposed into main assemblies based on the arrangement of the whole vehicle, and other assemblies with structure sizes and interface positions which do not meet requirements are adaptively developed. However, the above design is difficult to consider the arrangement of the pipelines on the chassis, the space utilization rate of the chassis is not high, and the phenomena of communication interference of high-voltage and low-voltage wire harnesses exist.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the embodiment of the utility model provides a chassis and hybrid vehicle improves the space utilization on chassis to reduce high-low pressure pencil communication interference.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
in a first aspect, an embodiment of the present invention provides a chassis, including a frame, where the frame includes two longitudinal beams disposed oppositely, and an engine and a motor are disposed between the two longitudinal beams; the chassis is further provided with a low-voltage battery and a high-voltage battery, the low-voltage battery and the high-voltage battery are respectively arranged on the outer sides of the two longitudinal beams, the low-voltage battery is electrically connected with a low-voltage electrical appliance in the hybrid vehicle through a low-voltage wiring harness, and the high-voltage battery is electrically connected with the motor through a high-voltage wiring harness.
The embodiment of the utility model provides a chassis has following advantage:
the chassis in the embodiment of the utility model comprises a frame, the frame comprises two longitudinal beams which are oppositely arranged, an engine and a motor are arranged between the two longitudinal beams, a high-voltage battery and a low-voltage battery are respectively arranged at the outer sides of the two longitudinal beams, the low-voltage battery is electrically connected with a low-voltage apparatus in a hybrid vehicle through a low-voltage wiring harness so as to supply power to the low-voltage apparatus, and the high-voltage battery is electrically connected with the motor through a high-voltage wiring harness so as to charge and discharge the high-voltage battery; the high-voltage battery is positioned on the outer side of one of the two longitudinal beams, and the low-voltage battery is positioned on the outer side of the other longitudinal beam, so that on one hand, the spaces on two sides of the frame can be utilized, the chassis has a compact structure, and the mass center distribution is more reasonable; on the other hand, the high-voltage wire harness connected with the high-voltage battery and the low-voltage wire harness connected with the low-voltage battery are separately arranged, the interval is long, and the communication interference between the high-voltage wire harness and the low-voltage wire harness is small.
According to the chassis, the chassis is further provided with the motor controller arranged above the high-voltage battery, the motor controller is electrically connected with the motor, and the motor controller controls the working state of the motor.
According to the chassis, the chassis is further provided with the auxiliary controller, the auxiliary controller and the high-voltage battery are arranged on the same side of the longitudinal beam, and the auxiliary controller controls the working states of the engine and the motor.
According to the chassis, the chassis is further provided with the radiator, the radiator and the auxiliary controller are respectively located on two sides of the high-voltage battery, the radiator is arranged on one side, away from the engine, of the high-voltage battery, and the radiator radiates the motor, the high-voltage battery and the motor controller.
According to the chassis, the chassis is further provided with a fuel tank communicated with the air inlet end of the engine, and the fuel tank and the low-voltage battery are arranged on the same side of the longitudinal beam.
According to the chassis, the chassis is further provided with a urea tank communicated with the exhaust end of the engine, and the urea tank and the low-voltage battery are arranged on the same side of the longitudinal beam.
According to the chassis, the urea tank and the fuel tank are arranged on two sides of the low-voltage battery, and the fuel tank is arranged on one side, close to the engine, of the low-voltage battery.
According to the chassis, the frame further comprises a front axle and a rear axle which are arranged between the two longitudinal beams and connected with the two longitudinal beams, and the low-voltage battery and the high-voltage battery are located between the front axle and the rear axle.
According to the chassis, the low-voltage battery is arranged on the left side of the longitudinal beam and the high-voltage battery is arranged on the right side of the longitudinal beam along the direction from the front axle to the rear axle.
In a second aspect, the embodiments of the present invention further provide a hybrid vehicle, including the chassis as described above, and an engine and a motor disposed on the chassis.
The embodiment of the utility model provides a hybrid vehicle includes above-mentioned chassis, therefore has the advantage on above-mentioned chassis, has chassis space utilization height, and communication interference between the high-low pressure pencil is little advantage, and concrete effect refers to the above, no longer gives unnecessary details here.
In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, further detailed descriptions will be made in specific embodiments of the chassis and the hybrid vehicle according to the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a frame construction;
fig. 2 is a schematic structural diagram of a chassis according to an embodiment of the present invention.
Description of reference numerals:
10-a frame;
11-a longitudinal beam;
12-a cross beam;
13-front wheels;
14-rear wheel;
20-a high voltage battery;
30-a motor controller;
40-an auxiliary controller;
50-a heat sink;
60-a fuel tank;
70-a low voltage battery;
80-urea tank;
a-a low-pressure region;
b-high pressure zone.
Detailed Description
For the space utilization who improves the chassis, reduce the communication interference between the high-low pressure pencil, the embodiment of the utility model provides a chassis and hybrid vehicle through setting up low voltage battery and high voltage battery respectively in the outside of two longerons of frame, the space of make full use of frame both sides improves the space utilization on chassis, and the high voltage pencil of being connected with high voltage battery and the low voltage pencil interval of being connected with low voltage battery are far away, and communication interference between the high-low voltage pencil is less.
In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Hybrid vehicles include gasoline-electric hybrid vehicles, which are generally provided with two power sources, an engine and a motor, and can control the operation of the engine and the motor according to the driving state of the hybrid vehicle. For example, when the hybrid vehicle starts, the motor can be driven independently; when the hybrid vehicle runs at a low speed, the motor can be a main driving source; when the hybrid vehicle normally runs, the engine can be a main driving source; when the hybrid vehicle runs at a high speed, the engine and the motor may be driven in cooperation.
The engine and the electric machine are usually arranged on a chassis comprising a frame, which frame 10 usually comprises two oppositely arranged longitudinal beams 11 and a transverse beam 12 arranged between the two longitudinal beams 11 and connected to the two longitudinal beams 11, as shown in fig. 1.
Referring to fig. 1 and 2, the two stringers 11 are arranged generally parallel. The plurality of cross members 12 are generally provided, and the plurality of cross members 12 are arranged in parallel, and the plurality of cross members 12 include a front axle connected to the front wheels 13 and a rear axle connected to the rear wheels 14. The plurality of cross members 12 may also include a mid-span to assist in weight bearing.
The embodiment of the utility model provides an in, engine and motor setting are between two longerons 11, and engine and motor are located the frame promptly. For example, the engine may be arranged near the front axle, and the engine is connected to the input end of the rear axle via the gearbox and the transmission shaft in turn. The motor is arranged on one side of the engine far away from the front axle, one end of the motor can be connected with the engine, and the other end of the motor is connected with the gearbox. The engine and the electric machine may be coaxial.
Referring to fig. 2, the chassis is also provided with a high voltage battery 20 and a low voltage battery 70. In which the high voltage battery 20 is electrically connected to the motor through a high voltage harness, and the low voltage battery 70 is electrically connected to a low voltage apparatus in the hybrid vehicle, typically, through a low voltage harness.
The high voltage battery 20 is a power battery, supplies power to the motor, and can be charged. For example, when the hybrid vehicle is braked, part of the energy of the motor is converted into electric energy to be stored in the high-voltage battery 20; alternatively, when the engine is driven alone, part of the power of the engine may charge the high-voltage battery 20, and part of the energy of the engine is converted into electric energy to be stored in the high-voltage battery 20.
The high-voltage battery 20 is disposed outside one of the two side members 11, i.e., the high-voltage battery 20 is disposed outside the vehicle frame 10. In the embodiment of the present invention, the high voltage battery 20 may be disposed in the high voltage region, i.e., the region a shown in fig. 2. The high-voltage battery 20 may be disposed on the right side of the side member on the right in the front-to-rear axle direction.
With continued reference to fig. 2, the low voltage battery 70 powers low voltage appliances, for example, the low voltage battery 70 provides 24V or 12V. The low-voltage electrical appliances generally include lighting lamps, signal lamps, monitoring instruments, air conditioners, warm air and the like.
The low-voltage battery 70 is disposed outside the other of the two side members 11, that is, the low-voltage battery 70 is also disposed outside the vehicle frame 10, and the low-voltage battery 70 and the high-voltage battery 20 are disposed on opposite sides of the vehicle frame 10, for example, the low-voltage battery 70 is disposed opposite to the high-voltage battery 20. In the embodiment of the present invention, the low voltage battery 70 may be disposed in a low voltage region, i.e., in the B region shown in fig. 2. The low-voltage battery 70 may be disposed on the left side of the side member on the left in the front-to-rear axle direction.
The embodiment of the utility model provides an in, low voltage battery 70 sets up respectively in the outside of two longerons 11 with high voltage battery 20, and the space in the outside of can make full use of frame 10 on the one hand improves the space utilization on chassis, and on the other hand makes the high voltage pencil that is connected with high voltage battery 20 electricity and the low voltage pencil interval of being connected with low voltage battery 70 electricity far away, reduces the electromagnetic interference between the high-low voltage pencil.
With continued reference to fig. 2, the chassis is also provided with a fuel tank 60 and a urea tank 80, the fuel tank 60 and the urea tank 80 being arranged on the same side of the stringer 11 as the low-voltage battery 70. Illustratively, the fuel tank 60, the urea tank 80, and the low-voltage battery 70 are all disposed in the region a shown in fig. 2, i.e., the fuel tank 60, the urea tank 80, and the low-voltage battery 70 are all disposed on the left side of the left side member 11. Since the voltage of the high voltage battery 20 is high, the fuel tank 60 is inflammable, and the fuel tank 60 is far away from the high voltage battery 20, the safety performance of the hybrid electric vehicle can be improved.
The fuel tank 60 is communicated with the air inlet end of the engine, the oil in the fuel tank 60 is mixed with the air in the air inlet pipe of the engine and then enters the cylinder of the engine, the engine is ignited to enable the gas to expand and do work, the chemical energy of the fuel is converted into the mechanical energy of the piston, and the hybrid vehicle is driven.
The urea tank 80 is communicated with the exhaust end of the engine, tail gas exhausted by the engine and urea in the urea tank 80 are subjected to chemical reaction, and nitrogen oxides in the tail gas are packaged into nitrogen and water vapor to be exhausted, so that tail gas pollution is reduced.
With continued reference to fig. 2, the fuel tank 60 and the urea tank 80 may be disposed on both sides of the low-voltage battery 70 so as to electrically connect the low-voltage sensor of the fuel tank 60 and the low-voltage sensor of the urea tank 80 with the low-voltage battery 70. For example, the fuel tank 60 may be disposed on a side of the low-voltage battery 70 close to the engine, that is, in a front-axle to rear-axle direction, with the fuel tank 60, the low-voltage battery 70, and the urea tank 80 being disposed in this order from front to rear.
The chassis is further provided with a motor controller 30, an auxiliary controller 40 and a radiator 50, wherein the motor controller 30, the auxiliary controller 40, the radiator 50 and the high-voltage battery 20 are arranged on the same side of the longitudinal beam 11. For example, the motor controller 30, the auxiliary controller 40, the heat sink 50, and the high-voltage battery 20 are all disposed in the B region shown in fig. 2, that is, the motor controller 30, the auxiliary controller 40, the heat sink 50, and the high-voltage battery 20 are all disposed on the right side of the side member 11 on the right.
The motor controller 30 may be disposed above the high voltage battery 20, the motor controller 30 is electrically connected to the motor, and the motor controller 30 controls an operating state of the motor. For example, the motor controller 30 may control the motor to generate power or output power.
The Auxiliary controller 40, i.e., an Auxiliary Power Unit (APU) controller, may control the operating states of the engine and the motor. For example, the auxiliary controller 40 may automatically start or stop the motor according to the voltage level of the high voltage battery 20, and may control the charging process of the high voltage battery 20 by controlling the voltage of the motor.
It should be noted that the auxiliary controller 40 may be a two-in-one controller, and for example, the auxiliary controller 40 may integrate the steering oil pump controller and the high-low pressure controller.
The heat sink 50 may dissipate heat of the motor, the high voltage battery 20, and the motor controller 30. The radiator 50 and the auxiliary controller 40 may be respectively located on both sides of the high-voltage battery 20, and in some possible examples, the radiator 50 is provided on a side of the high-voltage battery 20 away from the engine. As shown in fig. 2, the auxiliary controller 40, the high-voltage battery 20, and the heat sink 50 are arranged in this order from front to rear in the front-to-rear axle direction.
It should be noted that the area a and the area B are both disposed between the front axle and the rear axle, that is, the fuel tank 60, the low-voltage battery 70, the urea tank 80, the motor controller 30, the auxiliary controller 40, the high-voltage battery 20, and the radiator 50 are all disposed between the front axle and the rear axle.
It should be noted that the locations of the areas a and B can be inter-modulated, i.e. the high-voltage area and the low-voltage area are arranged according to the space between the front and rear axles. The position between each part that sets up in A district and B district also can be exchanged, the embodiment of the utility model provides a do not do the restriction to this.
The chassis in the embodiment of the present invention includes a frame 10, the frame 10 includes two longitudinal beams 11 disposed oppositely, an engine and a motor are disposed between the two longitudinal beams 11, a high voltage battery 20 and a low voltage battery 70 are disposed outside the two longitudinal beams 11, the low voltage battery 70 is electrically connected to a low voltage apparatus in the hybrid vehicle through a low voltage harness to supply power to the low voltage apparatus, and the high voltage battery 20 is electrically connected to the motor through a high voltage harness to charge and discharge the high voltage battery 20; the high-voltage battery 20 is positioned on the outer side of one longitudinal beam 11 of the two longitudinal beams 11, and the low-voltage battery 70 is positioned on the outer side of the other longitudinal beam 11, so that on one hand, the space on two sides of the frame 10 can be utilized, the chassis is compact in structure, and the mass center distribution is more reasonable; on the other hand, the high-voltage wire harness connected to the high-voltage battery 20 and the low-voltage wire harness connected to the low-voltage battery 70 are arranged separately, spaced far apart, and the communication interference between the high-voltage wire harness and the low-voltage wire harness is small.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the descriptive sense and are not intended to indicate or imply that the referenced system or element must have the particular orientation, configuration, or operation in the particular orientation illustrated in the drawings.
In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means 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 present invention. In this specification, schematic representations of the above terms 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.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A chassis is characterized by comprising a frame, wherein the frame comprises two longitudinal beams which are oppositely arranged, and an engine and a motor are arranged between the two longitudinal beams;
the chassis is further provided with a low-voltage battery and a high-voltage battery, the low-voltage battery and the high-voltage battery are respectively arranged on the outer sides of the two longitudinal beams, the low-voltage battery is electrically connected with a low-voltage electrical appliance in the hybrid vehicle through a low-voltage wiring harness, and the high-voltage battery is electrically connected with the motor through a high-voltage wiring harness.
2. The chassis of claim 1, further provided with a motor controller disposed above the high voltage battery, the motor controller being electrically connected to the motor, the motor controller controlling an operating state of the motor.
3. The chassis of claim 2, further provided with an auxiliary controller, the auxiliary controller being disposed on the same side of the longitudinal beam as the high-voltage battery, the auxiliary controller controlling operating states of the engine and the motor.
4. The chassis of claim 3, wherein the chassis is further provided with a radiator, the radiator and the auxiliary controller are respectively positioned at two sides of the high-voltage battery, the radiator is arranged at one side of the high-voltage battery far away from the engine, and the radiator radiates heat of the motor, the high-voltage battery and the motor controller.
5. The chassis of claim 1, further provided with a fuel tank communicating with an intake end of the engine, the fuel tank being disposed on the same side of the side member as the low-voltage battery.
6. The chassis of claim 5, further provided with a urea tank in communication with an exhaust end of the engine, the urea tank being disposed on the same side of the side rails as the low voltage battery.
7. The chassis of claim 6, wherein the urea tank and the fuel tank are disposed on both sides of the low voltage battery, and the fuel tank is disposed on a side of the low voltage battery adjacent to the engine.
8. The chassis of any of claims 1-7, wherein the frame further comprises a front axle and a rear axle disposed between and connected to the two side members, the low voltage battery and the high voltage battery being positioned between the front axle and the rear axle.
9. The chassis of claim 8, wherein the low voltage battery is disposed on a left side of the side member and the high voltage battery is disposed on a right side of the side member in a direction from the front axle to the rear axle.
10. A hybrid vehicle comprising a chassis according to any one of claims 1-9, and an engine and an electric machine arranged on the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023059098.8U CN214356256U (en) | 2020-12-18 | 2020-12-18 | Chassis and hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023059098.8U CN214356256U (en) | 2020-12-18 | 2020-12-18 | Chassis and hybrid vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214356256U true CN214356256U (en) | 2021-10-08 |
Family
ID=77986911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023059098.8U Active CN214356256U (en) | 2020-12-18 | 2020-12-18 | Chassis and hybrid vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214356256U (en) |
-
2020
- 2020-12-18 CN CN202023059098.8U patent/CN214356256U/en active Active
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