CN109278518B - Integrated power assembly structure and electric automobile - Google Patents
Integrated power assembly structure and electric automobile Download PDFInfo
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- CN109278518B CN109278518B CN201811199124.1A CN201811199124A CN109278518B CN 109278518 B CN109278518 B CN 109278518B CN 201811199124 A CN201811199124 A CN 201811199124A CN 109278518 B CN109278518 B CN 109278518B
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- 239000000725 suspension Substances 0.000 claims abstract description 112
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 37
- 230000009467 reduction Effects 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims 2
- 239000000306 component Substances 0.000 description 37
- 238000001816 cooling Methods 0.000 description 12
- 238000013016 damping Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to the technical field of electric automobiles, and discloses an integrated power assembly structure and an electric automobile. The first layer part includes trinity PDU module, trinity PDU module and suspension structure fixed connection. The second layer component includes a three-in-one PDU module. The third layer of components comprises a motor and a speed reducer, a motor controller is fixedly connected with the motor, the motor comprises a first end and a second end which are deviated from each other and an outer peripheral side which is positioned between the first end and the second end, the first end and the second end are fixedly connected with a suspension structure respectively, and the speed reducer is fixedly arranged on the outer peripheral side. The plurality of components are divided into three layers to be arranged, so that the structure is compact, and the arrangement of a front cabin is facilitated. And the assembly manufacturability is good, the pre-assembly can be completed on line, and the assembly efficiency of the general assembly line is effectively improved.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to an integrated power assembly structure and an electric automobile.
Background
The power assembly of the electric automobile comprises a motor, a motor controller, a high-voltage distribution box, a vehicle-mounted charger and other core components, is limited by arrangement space and a driving form, and becomes very important work content in the whole automobile development process.
At present, most of domestic and foreign power assemblies are the integration of a motor and a speed reducer, and other key components: the motor controller, the high-voltage distribution box, the DC-DC converter, the vehicle-mounted charger and the like are respectively connected with the vehicle body, and meanwhile, the cooling module, the pipeline interface and the plug connector are independently designed, so that the cooling interface, the cooling pipeline and the high-low voltage plug connector are very many. The convenience of pipeline line arrangement, plug connector operation space and assembly and maintenance is required to be planned when the engine room is arranged, and meanwhile, the assembly of each component is independently completed on the whole vehicle assembly line, so that the assembly difficulty is high, and the efficiency is low.
Disclosure of Invention
The invention aims to provide an integrated power assembly structure which has reasonable layout and reduces the assembly difficulty of the power assembly.
The invention also aims to provide an electric automobile with the integrated power assembly structure.
The embodiment of the invention is realized by the following steps:
an integrated powertrain structure comprising a suspension structure, a first layer component, a second layer component, and a third layer component, the second layer component being located between the first layer component and the third layer component;
the first layer component comprises a three-in-one PDU module which is fixedly connected with the suspension structure;
the second layer component comprises a three-in-one PDU module;
the third layer component comprises a motor and a speed reducer, the motor controller is fixedly connected with the motor, the motor comprises a first end and a second end which are deviated from each other and an outer peripheral side which is positioned between the first end and the second end, the first end and the second end are respectively and fixedly connected with the suspension structure, and the speed reducer is fixedly arranged on the outer peripheral side.
Optionally, trinity PDU module includes the depressed part, the motor with installation space has between the depressed part, motor controller is located installation space.
Optionally, the third layer of component further includes a flange, the flange is disposed on the outer peripheral side, the speed reducer is fixedly connected to the motor through the flange, the flange includes an avoiding portion, the avoiding portion is recessed toward one side of the motor and forms an accommodating notch, and the speed reducer corresponds to the accommodating notch.
Optionally, a controller mounting support is arranged on one side of the motor facing the second layer of component, and a first mounting hole is formed in the controller mounting support;
the bottom of the motor controller is provided with a controller support lug matched with the controller mounting support, and the controller support lug is provided with a second mounting hole corresponding to the first mounting hole.
Optionally, the integrated power assembly structure further comprises a suspension bracket, and the suspension structure is fixedly connected with the first end and/or the second end through the suspension bracket.
Optionally, the suspension bracket comprises a first suspension bracket and a second suspension bracket, the suspension structure comprises a left suspension, a right suspension and a rear suspension, the first end is fixedly connected with the first suspension bracket, and the second end is fixedly connected with the second suspension bracket;
left side suspension fixed connection in the second suspension support is kept away from the one end of second end, right side suspension fixed connection in first suspension support is kept away from the one end of first end, back suspension fixed connection in the reduction gear is kept away from the one end of motor.
Optionally, the third-layer component further comprises an electric air-conditioning compressor, the suspension bracket comprises a first installation part and a second installation part, one side of the first installation part is fixedly connected with the first end, the other side of the first installation part is convexly provided with an installation foot, and the electric air-conditioning compressor is fixed at the first end through the installation foot;
the second installation department is located first installation department is close to the one end of trinity PDU module, and to keeping away from one side protrusion setting of trinity PDU module, the one end of second installation department with trinity PDU module fixed connection, the other end of second installation department with suspension structure fixed connection, the high first direction of following of second installation department reduces gradually.
Optionally, a shock-absorbing groove is formed in one end, close to the suspension structure, of the second mounting portion, and the shock-absorbing groove extends along the first direction.
Optionally, the first layer of components further comprises a module support;
the module support includes first connecting portion and second connecting portion, the quantity of second connecting portion is two and is located respectively the both sides of first connecting portion, first connecting portion are for two the sunken setting of second connecting portion just forms sunken type structure, first connecting portion with second installation department fixed connection, the second connecting portion with trinity PDU module fixed connection.
Optionally, the module support is further provided with a reinforcing rib, the reinforcing rib extends from the first connecting portion to the second connecting portion, and a weight reduction groove is formed at a joint of the first connecting portion and the second connecting portion.
Optionally, the first suspension bracket is made of an aluminum alloy material.
An electric automobile, includes foretell integrated power assembly structure.
Compared with the prior art, the beneficial effects of the embodiment of the invention include, for example:
this power assembly structure integrates through trinity PDU module integrated form design, has cancelled outside cooling pipeline and plug connector and has arranged, thereby effectively reduced cooling pipeline weight and plug connector quantity the cost is reduced. The power assembly mechanism integrates main components in the engine room of the electric automobile, and the components are divided into three layers to be arranged, so that the structure is compact, the size is small, and the arrangement of the front cabin is facilitated. The assembly manufacturability is good, the pre-assembly can be completed on line, the production beat of the vehicle can be shortened, the production capacity can be improved, and the assembly efficiency of the general assembly line can be effectively improved. And through the vibration isolation effect of suspension structure, effectively reduced the vibration that integrates the power assembly structure to the influence of whole car, improved whole car NVH performance and travelling comfort.
The electric automobile has all the technical effects as the integrated power assembly structure is adopted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of an integrated powertrain according to embodiment 1 of the present invention from a first perspective;
FIG. 2 is a schematic structural diagram of an integrated powertrain according to embodiment 1 of the present invention from a second perspective;
FIG. 3 is an enlarged view of a portion of FIG. 1 at I;
FIG. 4 is an enlarged partial view at II in FIG. 1;
fig. 5 is a partially enlarged view of the point III in fig. 1.
Icon: 11-three in one PDU module; 111-a recess; 12-a module support; 121-a first connection; 122-a second connection; 123-reinforcing ribs; 124-weight reduction slots; 21-a motor controller; 211-controller lugs; 31-a motor; 311-a first end; 312-a second end; 313-controller mounting support; 32-a reducer; 33-a flange; 331-an avoidance portion; 41-a first suspension bracket; 411 — first mounting portion; 412-a second mount; 4121-a damping groove; 413-mounting feet; 42-a second suspension bracket; 51-left suspension; 52-right suspension; 53-rear suspension; 80-first direction.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
The terms "upper", "lower", "left", "right", "inner", "outer", and the like, refer to orientations or positional relationships based on orientations or positional relationships illustrated in the drawings or orientations and positional relationships that are conventionally used in the practice of the products of the present invention, and are used for convenience in describing and simplifying the invention, 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 therefore, should not be construed as limiting the invention.
In the description of the present invention, it is also to be noted that the terms "disposed," "mounted," "connected," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; 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 in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of an integrated powertrain according to embodiment 1 of the present invention from a first perspective, and fig. 2 is a schematic structural diagram of an integrated powertrain according to embodiment 1 of the present invention from a second perspective, please refer to fig. 1 and fig. 2.
An integrated power assembly structure comprises a suspension structure, a first layer component, a second layer component and a third layer component. The first layer part, the second layer part and the third layer part are sequentially arranged from top to bottom. The second layer component is located between the first layer component and the third layer component. The suspension structure is located at the periphery of the first layer member, the second layer member and the third layer member.
The first layer part includes trinity PDU module 11, trinity PDU module 11 and suspension structure fixed connection.
The second layer component comprises a motor controller 21.
The third layer of components includes a motor 31 and a reducer 32. The motor controller 21 is fixedly connected with the motor 31, the motor 31 includes a first end 311 and a second end 312 which are arranged away from each other, and an outer periphery side located between the first end 311 and the second end 312, the first end 311 and the second end 312 are respectively fixedly connected with the suspension structure, and the speed reducer 32 is fixedly arranged on the outer periphery side.
The integrated power assembly structure adopts the layered arrangement, the motor 31 and the speed reducer 32 are fixedly connected and positioned at the lowest layer to form the main body of the integrated power assembly structure, and the three-in-one PDU module 11 and the motor controller 21 are fixed on the main body through bolts or supports and connected into a whole and then fixed on the vehicle body through a suspension structure.
Because motor 31 and reduction gear 32 also belong to one of the biggest part of weight in the power assembly structure that integrates, set up motor 31 and reduction gear 32 in the lower floor and can make the centre of gravity of whole power assembly structure skew downwards, be close to ground as far as possible to can reduce the vibration that integrates the power assembly structure and to the influence of whole car, improve whole car NVH performance and travelling comfort.
Moreover, this power assembly structure integrates through 11 integrated forms designs of trinity PDU module, has cancelled outside cooling tube way and plug connector and has arranged, thereby has effectively reduced cooling tube way weight and plug connector quantity the cost is reduced. The power assembly structure integrates main components in the engine room of the electric automobile, and the components are divided into three layers to be arranged, so that the structure is compact, the size is small, and the arrangement of the front cabin is facilitated. The assembly manufacturability is good, the pre-assembly can be completed on line, the production beat of the vehicle can be shortened, the production capacity can be improved, and the assembly efficiency of the general assembly line can be effectively improved. And through the vibration isolation effect of suspension structure, effectively reduced the vibration that integrates the power assembly structure to the influence of whole car, improved whole car NVH performance and travelling comfort.
Please refer to fig. 1 and fig. 2 again. The first layer of components is located at the uppermost layer of the overall structure and includes the three-in-one PDU module 11. The three-in-one PDU module 11 comprises a module shell, a DC/DC converter, a charger 31 and a high-voltage distribution box. The DC/DC converter, the charger 31 and the high voltage distribution box are integrated in the module case, and the circuit board and the cooling module of the three-in-one PDU module 11 are designed in a general plan. The heat dissipation module of trinity PDU module 11 also adopts the integrated form design to need not design outside cooling pipeline and plug connector and arrange, thereby effectively reduced cooling pipeline weight and high-low pressure plug connector quantity reduce the cost, also saved installation space, make compact structure.
The second layer component comprises a motor controller 21. In order to save the installation space as much as possible, the module case is provided with a recess 111, the recess 111 is located at a side of the triple PDU module 11 close to the motor 31, and an installation space is formed between the motor 31 and the recess 111, and the motor controller 21 is located in the installation space. It should be noted that the second layer component includes the motor controller 21 and the partial structure of the three-in-one PDU module 11.
Because motor controller 21's overall dimension is less than trinity PDU module 11 and motor 31, if set up one deck structure alone with motor controller 21, can leave partial space in the part of second floor part spare, lead to the space redundancy, occupy unnecessary space. And install motor controller 21 through having set up depressed part 111, can utilize the space between trinity PDU module 11 and motor 31 effectively, can install motor controller 21 promptly, can not cause space redundancy again for compact structure.
Referring to fig. 3, fig. 3 is a partial enlarged schematic view of a portion I in fig. 1, a controller mounting support 313 is disposed on a side of the motor 31 facing the second layer member, and a first mounting hole is disposed on the controller mounting support 313;
the bottom of the motor controller 21 is provided with a controller support lug 211 matched with the controller mounting support 313, and the controller support lug 211 is provided with a second mounting hole corresponding to the first mounting hole. During installation, the bolt or the screw can be screwed through the first installation hole and the second installation hole.
The control mounting support is arranged on the motor 31, so that the motor controller 21 can be conveniently positioned and mounted during mounting, and can be conveniently detached during maintenance.
Moreover, controller mounting support 313 extends towards the outer side of motor 31, forms a cantilever support for motor controller 21, and realizes the cantilever connection of controller mounting support 313 and controller lug 211 through the cooperation of the two, so that the vibration generated during the running of the vehicle can be effectively absorbed.
In this embodiment, the three-phase line internal integration between the motor 31 and the motor controller 21 eliminates the arrangement of external high-voltage lines and connectors, and effectively reduces the weight of the high-voltage lines and the number of high-voltage connectors, thereby reducing the cost.
The third layer of components includes a motor 31, a reducer 32, a flange 33, and an electric air conditioning compressor (not shown in the figures). The flange 33 is provided on the outer peripheral side. The reducer 32 is fixedly connected with the motor 31 through a flange 33, and a three-phase line connection is integrated inside. The flange 33 includes an escape 331. The escape portion 331 is recessed toward the motor 31 side to form an accommodating notch. The decelerator 32 corresponds to the accommodation gap. The outline of the accommodating gap corresponds to the outline of the reducer 32 on the side close to the motor 31, and a part of the reducer 32 close to the motor 31 is located in the accommodating gap.
Through setting up the holding breach, can utilize the space between reduction gear 32 and the motor 31 effectively, can install reduction gear 32 through flange 33 promptly, can not cause the space redundancy again for compact structure.
The electric air conditioner compressor is fixed to the first end 311 of the motor 31 by a suspension bracket. The third layer part has mainly integrated the great part of weight in the power assembly structure that integrates, and sets up these parts in lower floor, can make the whole focus that integrates the power assembly structure skew downwards, is close to ground as far as possible to can reduce the vibration that integrates the power assembly structure to the influence of whole car, improve whole car NVH performance and travelling comfort.
The integrated powertrain structure further includes a suspension bracket including a first suspension bracket 41 and a second suspension bracket 42. The suspension structure includes a left suspension 51, a right suspension 52, and a rear suspension 53.
The first end 311 is fixedly connected to the first suspension bracket 41, and the second end 312 is fixedly connected to the second suspension bracket 42. The left suspension 51 is fixedly connected to an end of the second suspension bracket 42 away from the second end 312, the right suspension 52 is fixedly connected to an end of the first suspension bracket 41 away from the first end 311, and the rear suspension 53 is fixedly connected to an end of the speed reducer 32 away from the motor 31.
First layer part, second floor part and third layer part are integrated to be connected with the automobile body through left suspension 51, right suspension 52 and back suspension 53 after whole, and rotary part passes through suspension decoupling zero analysis, has effectively isolated the transmission of vibration to the automobile body, is favorable to whole car NVH performance to improve.
Referring to fig. 4, fig. 4 is a partially enlarged view of a portion II in fig. 1.
In the present embodiment, the first suspension bracket 41 and the second suspension bracket 42 have similar structures, and the first suspension bracket 41 is described as an example below.
It is understood that in other embodiments, the structures of the first and second suspension brackets 41 and 42 may be different as long as the connection between the components is achieved.
The first suspension bracket 41 includes a first mounting portion 411 and a second mounting portion 412. One side of the first mounting portion 411 is fixedly connected to the first end 311, the other side of the first mounting portion 411 is provided with a mounting pin 413 in a protruding manner, and the electric air conditioner compressor is fixed to the first end 311 through the mounting pin 413.
The second installation department 412 is located the one end that first installation department 411 is close to trinity PDU module 11, and to keeping away from one side protrusion setting of trinity PDU module 11, the one end and the trinity PDU module 11 fixed connection of second installation department 412, the other end and the right suspension 52 fixed connection of second installation department 412, the height of second installation department 412 reduces along first direction 80 gradually.
The height of the second mounting portion 412 is gradually reduced along the first direction 80, and the height of the second mounting portion 412 is larger closer to the motor 31 because the stress is greatest at the first mounting portion 411 and the second mounting portion 412, and thus the height of the second mounting portion 412 is greatest near the first mounting portion 411.
Moreover, the junction of the second mounting portion 412 and the first mounting portion 411 is smoothly transitioned, and stress concentration is avoided. Through such setting, can enough guarantee first suspension support 41's sufficient intensity, can alleviate first suspension support 41's weight as far as possible again, reduce the occupation to the space, reduce the cost.
Optionally, one end of the second mounting portion 412 near the suspension structure is formed with a damping groove 4121, and the damping groove 4121 extends along the first direction 80. Through setting up damping groove 4121 can alleviate the weight of first suspension support 41, moreover through seting up damping groove 4121, the bottom of right suspension 52 and the marginal contact of damping groove 4121 have the clearance between bottom and the damping groove 4121, for the bottom of right suspension 52 contacts with second installation department 412 completely, can effectively reduce the influence of the vibration of integrating the power assembly structure to whole car through setting up damping groove 4121.
Through setting up first suspension support 41 and second suspension support 42, motor 31, trinity PDU module 11, electric air condition compressor pass through first suspension support 41 and second suspension support 42 and are connected with right suspension 52 and left suspension 51 is connected. The connection of the three components to the left suspension 51 and the right suspension 52 is achieved by only one suspension bracket. Motor 31, trinity PDU module 11, electric air condition compressor are connected with left suspension 51 and right suspension 52 respectively through first suspension support 41 and second suspension support 42, and not motor 31, trinity PDU module 11, electric air condition compressor three connect into a whole earlier, and whole is connected with suspension structure again. Be connected with suspension structure respectively and can increase the firm degree of each part erection joint, moreover, can reduce the influence of vibration to each part respectively through suspension structure, play better damping effect.
In this embodiment, the material of suspension support adopts lightweight aluminum alloy material, and overall structure is the casing class structure that has the cavity, can enough guarantee joint strength like this, also can alleviate the weight of suspension support as far as possible. It is understood that in other embodiments, other materials can be used.
Referring to fig. 5, fig. 5 is a partially enlarged view of a portion III in fig. 1. The first layer of components also includes a module support 12. The module bracket 12 includes two first connecting portions 121 and two second connecting portions 122, the two second connecting portions 122 are respectively located at two sides of the first connecting portions 121, and the first connecting portions 121 are recessed relative to the two second connecting portions 122 and form a recessed structure. The first connecting portion 121 is fixedly connected to the second mounting portion 412, and the second connecting portion 122 is fixedly connected to the three-in-one PDU module 11.
Three-in-one PDU module 11 is through the module support 12 and the suspension leg joint of sunken type structure, compare for 11 directness of three-in-one PDU module with module support 12 connection, three-in-one PDU module 11 places on the first connecting portion 121 that is the cantilever state that stretches out outward, and first connecting portion 121 and second connecting portion 122 pass through inclined plane part smooth transition moreover, consequently, the influence of the vibration that produces to three-in-one PDU module 11 when can effectively reduce the vehicle and travel.
Example 2
An electric automobile comprises an automobile body and the integrated power assembly structure.
The integrated power assembly structure adopts the layering arrangement, and motor 31 and reduction gear 32 fixed connection are located the lower floor, constitute integrated form power assembly structure's main part, and trinity PDU module 11, motor controller 21 are all fixed in this main part through bolt or support and are connected as a whole, then are fixed in on automobile body longeron and the sub vehicle frame through the suspension structure.
This power assembly structure integrates through 11 integrated forms designs of trinity PDU module, has cancelled outside cooling pipeline and plug connector and has arranged, thereby has effectively reduced cooling pipeline weight and plug connector quantity the cost is reduced. The power assembly structure integrates main components in the engine room of the electric automobile, and the components are divided into three layers to be arranged, so that the structure is compact, the size is small, and the arrangement of the front cabin is facilitated. The assembly manufacturability is good, the pre-assembly can be completed on line, the production beat of the vehicle can be shortened, the production capacity can be improved, and the assembly efficiency of the general assembly line can be effectively improved. And through the vibration isolation effect of suspension structure, effectively reduced the vibration that integrates the power assembly structure to the influence of whole car, improved whole car NVH performance and travelling comfort.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An integrated power assembly structure is characterized by comprising a suspension structure, a first layer component, a second layer component and a third layer component, wherein the second layer component is positioned between the first layer component and the third layer component;
the first layer component comprises a three-in-one PDU module which is fixedly connected with the suspension structure;
the second layer component comprises a motor controller;
the third layer component comprises a motor and a speed reducer, the motor controller is fixedly connected with the motor, the motor comprises a first end and a second end which are arranged in a way of deviating from each other, and an outer peripheral side which is positioned between the first end and the second end, the first end and the second end are respectively and fixedly connected with the suspension structure, and the speed reducer is fixedly arranged on the outer peripheral side;
the trinity PDU module includes the depressed part, the motor with installation space has between the depressed part, machine controller is located installation space.
2. The integrated power assembly structure of claim 1, wherein the third layer of components further includes a flange disposed on the outer peripheral side, the speed reducer is fixedly connected to the motor through the flange, the flange includes an avoiding portion, the avoiding portion is recessed toward one side of the motor and forms an accommodating notch, and the speed reducer corresponds to the accommodating notch.
3. The integrated power assembly structure of claim 1, wherein a controller mounting support is disposed on a side of the motor facing the second layer member, and the controller mounting support is provided with a first mounting hole;
the bottom of the motor controller is provided with a controller support lug matched with the controller mounting support, and the controller support lug is provided with a second mounting hole corresponding to the first mounting hole.
4. The integrated powertrain structure of claim 1, further comprising a suspension bracket through which the suspension structure is fixedly connected to the first end and/or the second end.
5. The integrated powertrain structure of claim 4, wherein the suspension bracket includes a first suspension bracket and a second suspension bracket, the suspension structure includes a left suspension, a right suspension, and a rear suspension, the first end is fixedly connected to the first suspension bracket, and the second end is fixedly connected to the second suspension bracket;
left side suspension fixed connection in the second suspension support is kept away from the one end of second end, right side suspension fixed connection in first suspension support is kept away from the one end of first end, back suspension fixed connection in the reduction gear is kept away from the one end of motor.
6. The integrated power assembly structure of claim 4, wherein the third layer of components further comprises an electric air-conditioning compressor, the suspension bracket comprises a first mounting portion and a second mounting portion, one side of the first mounting portion is fixedly connected with the first end, a mounting foot is convexly arranged on the other side of the first mounting portion, and the electric air-conditioning compressor is fixed to the first end through the mounting foot;
the second installation department is located first installation department is close to the one end of trinity PDU module, and to keeping away from one side protrusion setting of trinity PDU module, the one end of second installation department with trinity PDU module fixed connection, the other end of second installation department with suspension structure fixed connection, the high first direction of following of second installation department reduces gradually.
7. The integrated power assembly structure of claim 6, wherein a shock absorbing groove is formed in one end of the second mounting portion, the end of the second mounting portion being close to the suspension structure, and the shock absorbing groove extends along the first direction.
8. The integrated powertrain structure of claim 6, wherein the first-tier component further comprises a module support;
the module support includes first connecting portion and second connecting portion, the quantity of second connecting portion is two and is located respectively the both sides of first connecting portion, first connecting portion are for two the sunken setting of second connecting portion just forms sunken type structure, first connecting portion with second installation department fixed connection, the second connecting portion with trinity PDU module fixed connection.
9. An electric vehicle comprising the integrated powertrain structure of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199124.1A CN109278518B (en) | 2018-10-15 | 2018-10-15 | Integrated power assembly structure and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199124.1A CN109278518B (en) | 2018-10-15 | 2018-10-15 | Integrated power assembly structure and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278518A CN109278518A (en) | 2019-01-29 |
| CN109278518B true CN109278518B (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199124.1A Active CN109278518B (en) | 2018-10-15 | 2018-10-15 | Integrated power assembly structure and electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816238B (en) * | 2019-11-11 | 2023-03-24 | 宜宾凯翼汽车有限公司 | Front cabin arrangement structure of pure electric vehicle |
| CN113460162A (en) * | 2021-07-28 | 2021-10-01 | 智新科技股份有限公司 | Electric drive mounting method and electric drive mounting pre-assembly frame |
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| CN204598515U (en) * | 2015-05-26 | 2015-08-26 | 八达电气有限公司 | A kind of integrated manipulator and use the electric automobile of this controller |
| CN204774566U (en) * | 2015-06-26 | 2015-11-18 | 长城汽车股份有限公司 | Electric vehicle |
| CN106183763A (en) * | 2016-07-06 | 2016-12-07 | 中国第汽车股份有限公司 | A kind of integrated form power assembly structure of pure electric sedan |
| CN205836565U (en) * | 2016-06-16 | 2016-12-28 | 北京长城华冠汽车科技股份有限公司 | Electric-powered assembly and the vehicle with it |
| CN206306808U (en) * | 2016-12-20 | 2017-07-07 | 东风汽车公司 | A kind of fixed mounting structure of pure electric automobile power assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204598515U (en) * | 2015-05-26 | 2015-08-26 | 八达电气有限公司 | A kind of integrated manipulator and use the electric automobile of this controller |
| CN204774566U (en) * | 2015-06-26 | 2015-11-18 | 长城汽车股份有限公司 | Electric vehicle |
| CN205836565U (en) * | 2016-06-16 | 2016-12-28 | 北京长城华冠汽车科技股份有限公司 | Electric-powered assembly and the vehicle with it |
| CN106183763A (en) * | 2016-07-06 | 2016-12-07 | 中国第汽车股份有限公司 | A kind of integrated form power assembly structure of pure electric sedan |
| CN206306808U (en) * | 2016-12-20 | 2017-07-07 | 东风汽车公司 | A kind of fixed mounting structure of pure electric automobile power assembly |
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| CN109278518A (en) | 2019-01-29 |
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Address after: Room D-214, 958 Qing'an Road, Qingpu Industrial Park, Qingpu District, Shanghai, 201700 Applicant after: SHANGHAI YANFENG AUTOMOTIVE TECHNOLOGY CO.,LTD. Address before: Room D-214, 958 Qing'an Road, Qingpu Industrial Park, Huangpu District, Shanghai, 200001 Applicant before: SHANGHAI YANFENG AUTOMOTIVE TECHNOLOGY CO.,LTD. |
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Denomination of invention: Integrated powertrain structure and electric vehicles Effective date of registration: 20231019 Granted publication date: 20200505 Pledgee: Industrial Bank Co.,Ltd. Shanghai Changning sub branch Pledgor: SHANGHAI YANFENG AUTOMOTIVE TECHNOLOGY CO.,LTD. Registration number: Y2023310000658 |