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CN221340949U - Integrated electric drive assembly - Google Patents

Integrated electric drive assembly Download PDF

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Publication number
CN221340949U
CN221340949U CN202323572704.XU CN202323572704U CN221340949U CN 221340949 U CN221340949 U CN 221340949U CN 202323572704 U CN202323572704 U CN 202323572704U CN 221340949 U CN221340949 U CN 221340949U
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CN
China
Prior art keywords
wiring
electric drive
power
drive assembly
integrated electric
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Active
Application number
CN202323572704.XU
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Chinese (zh)
Inventor
侯明君
朱敏
何俊明
章小林
王一奇
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Zhejiang PanGood Power Technology Co Ltd
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Zhejiang PanGood Power Technology Co Ltd
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Priority to CN202323572704.XU priority Critical patent/CN221340949U/en
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Abstract

The utility model provides an integrated electric drive assembly, which comprises a shell, wherein a partition plate is arranged in the shell, the partition plate separates a power assembly installation position and a control assembly installation position from the space in the shell, a power mechanism assembly is arranged in the power assembly installation position, a control assembly is arranged in the control assembly installation position, an opening which is communicated with the power assembly installation position and the control assembly installation position is formed in the partition plate, a wiring board is detachably connected to the opening, a plurality of wiring holes are formed in the wiring board, and a power wire of the power mechanism assembly can pass through the wiring holes to be electrically connected with the control assembly. Can dismantle between wiring board and the baffle and be connected, processing personnel can remove the back alone drilling processing with the wiring board from the baffle, avoid receiving the interference of other structures in the casing, can realize accurate location of punching, do benefit to the arrangement of follow-up power cord.

Description

Integrated electric drive assembly
Technical Field
The utility model relates to the technical field of drive assemblies, in particular to an integrated electric drive assembly.
Background
In recent years, the development speed of the new energy vehicle field is faster, wherein the performance of an electric drive system serving as one of the core components of the new energy vehicle directly influences the running performance and efficiency of the vehicle.
The current electric drive assemblies typically integrate the control assembly and drive motor into a single housing, which results in a compact overall system with high efficiency of energy conversion, and secondly, to ensure tightness of the housing internal structure, one typically fills the housing motor mounting cavity and control assembly mounting cavity with glue to prevent intrusion of dust, moisture and other impurities, thereby providing good insulation protection against shorting, damage or corrosion of the motor internal components.
Specifically, among the prior art, motor installation cavity and the control assembly installation cavity in the casing are separated by integrated into one piece's baffle on the casing generally, and this baffle plays the isolation effect, can avoid when encapsulating motor installation cavity, and the encapsulating agent flows into control assembly installation cavity in, is same when encapsulating control assembly installation cavity. In addition, the diaphragm is usually drilled so that the power cord of the stator in the motor mounting cavity can pass out and then enter the control assembly mounting cavity to be connected with the control assembly, but because the diaphragm is integrally formed on the housing, the diaphragm is easily interfered by other structures in the housing when being perforated, and thus the perforated position deviates from expectations, which directly affects the wiring path of the power cord. Secondly, when the stator is installed in the motor installation cavity, the space between the stator and the baffle is very narrow, and certain influence is brought to the wearing of power cord, and the power cord can be rubbed back and forth at the edge of hole, very easily leads to the insulating layer damage to the power cord that the unavoidable needs of operating personnel are pulled, crooked power cord in the threading process.
Disclosure of utility model
The present utility model is directed to an integrated electric drive assembly for solving the above-mentioned problems.
The utility model provides an integrated electric drive assembly, wherein a partition board is arranged in a shell, the partition board separates a power component installation position and a control component installation position from the space in the shell, a power mechanism component is arranged in the power component installation position, a control component is arranged in the control component installation position, an opening which is communicated with the power component installation position and the control component installation position is formed in the partition board, a wiring board is detachably connected to the opening, a plurality of wiring holes are formed in the wiring board, and a power wire of the power mechanism component can pass through the wiring holes to be electrically connected with the control component.
Further, the integrated electric drive assembly, wherein the housing includes a front housing and a rear housing, the partition includes a first partition and a second partition disposed on the front housing and the rear housing, the first partition and the second partition are provided with a portion of the opening, the wiring board includes a first wiring floating board detachably connected to the opening of the first partition, and a second wiring floating board detachably connected to the opening of the second partition.
Further, the integrated electric drive assembly, wherein, the opening inboard of second baffle plate is equipped with fixed side groove, the relative both sides limit of second wiring floating plate passes through fixed side groove joint in on the second baffle plate.
Further, the integrated electric drive assembly, wherein, the opening bottom of second baffle plate is equipped with fixed kerve, the base of second wiring floating plate can inlay in fixed kerve is inside partly.
Further, the integrated electric drive assembly, wherein the side length of the second wiring floating plate is greater than the length of the fixed side groove and less than the sum of the length of the fixed side groove and the depth of the fixed bottom groove.
Further, the integrated electric drive assembly, wherein the second wiring floating plate is an arc plate or a straight plate.
Further, the integrated electric drive assembly, wherein, the wiring hole is including locating a plurality of first wiring holes of arranging on the first wiring floating plate in a word, and locate a plurality of second wiring holes of arranging on the second wiring floating plate in a word, first wiring hole with along circumference dislocation set between the second wiring hole.
Further, the integrated electric drive assembly, wherein, first wiring hole with the downthehole line stopper that all is equipped with of second wiring.
Further, the integrated electric drive assembly, wherein the end face of the rear housing is flush and the end face of the front housing is non-flush, such that the volume of the control assembly mounting location defined by the front housing is less than the volume of the control assembly mounting location defined by the rear housing.
Further, the integrated electric drive assembly, wherein the power component mounting location and the control component mounting location are horizontally spaced within the housing.
Compared with the prior art, the scheme has the following advantages:
1. Can dismantle between wiring board and the baffle and be connected, processing personnel can remove the back alone drilling processing with the wiring board from the baffle, avoid receiving the interference of other structures in the casing, can realize accurate location of punching, do benefit to the arrangement of follow-up power cord.
2. When threading, the power cord can pass the wiring hole on the wiring board, assemble the wiring board on the opening of baffle again, need not pass through from narrow and small gap wiring, can greatly avoid the wearing and tearing of power cord.
3. The power mechanism component and the control component share one shell, so that the shell space can be effectively utilized, the wiring path is more reasonable and optimized, the space can be saved, the length of a power line can be reduced, the wiring complexity is reduced, and the reliability of the whole electric drive system is improved.
Drawings
FIG. 1 is a schematic illustration of an integrated electric drive assembly of the present utility model mounted to a vehicle wheel;
FIG. 2 is a perspective view of an integrated electric drive assembly according to the present utility model;
FIG. 3 is a cross-sectional view of an integrated electric drive assembly of the present utility model;
FIG. 4 is a schematic diagram showing a specific structure of a rear case according to the present utility model;
Description of main reference numerals:
10. A housing; 11. a rear case; 12. a front shell; 111. a power assembly mounting location; 112. a control assembly mounting location; 113. a second baffle plate; 114. an opening; 115. a second wiring floating plate; 116. a fixed side groove; 117. a fixed bottom groove; 21. a first stator; 22. a second stator; 23. a rotor; 31. a second wiring hole; 32. a wire passing plug; 40. a speed reducer; 50. a wheel; 211. a first baffle plate; 212. a first wiring floating plate.
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the integrated electric drive assembly of the present utility model includes a housing 10, a partition board is disposed in the housing 10, the partition board separates a space in the housing 10 into a power component mounting position 111 and a control component mounting position 112, a power mechanism component is disposed in the power component mounting position 111, a control component is disposed in the control component mounting position 112, an opening 114 is formed in the partition board, the opening 114 is detachably connected with a wiring board, a plurality of wiring holes are formed in the wiring board, and a power wire of the power mechanism component can pass through the wiring holes to be electrically connected with the control component.
It will be appreciated that the design of the terminal block and spacer to be removably connected is in the sense that the processing of the terminal holes in the terminal block is facilitated, and if directly processed in the housing 10, the processing tool bit will be interfered by other structures in the housing 10 and will not be free to move, thereby resulting in limited location of the holes, which will directly affect the routing of the power cord of the subsequent power mechanism assembly. In this embodiment, the processing personnel can remove the wiring board from the baffle and then individually drill and process, so that the interference of other structures in the shell 10 is avoided, and thus, accurate punching and positioning can be realized, and the arrangement of the subsequent power lines is facilitated.
Secondly, when threading, behind the wiring hole on the wiring board can pass to the power cord of power unit subassembly, again with the wiring board assembly on the opening 114 of baffle, need not pass through from narrow and small gap wiring, can greatly avoid the wearing and tearing that lead to of threading in-process, power cord and wiring mouth edge back and forth friction.
Further, the power unit mounting locations 111 and the control unit mounting locations 112 are disposed at horizontal intervals in the housing 10, so that the power unit units and the control units are disposed at horizontal intervals in the housing 10. In practical application, as shown in fig. 1, the control assembly is arranged in the X-axis direction of the power mechanism assembly, the speed reducer 40 is arranged in the Y-axis direction of the power mechanism assembly and is positioned in the center of the wheels 50, so that the space in the Y-axis direction of the whole vehicle can be effectively utilized.
As shown in fig. 3, in this embodiment, the housing 10 includes a front shell 12 and a rear shell 11, the partition includes a first baffle 211 and a second baffle 113 respectively disposed on the front shell 12 and the rear shell 11, and a part of the opening 114 is disposed on the first baffle 211 and the second baffle 113 respectively, it is understood that when the front shell 12 and the rear shell 11 are spliced together, the first baffle 211 and the second baffle 113 are abutted to form the partition, and meanwhile, an opening 114 communicating the power assembly mounting position 111 and the control assembly mounting position 112 is formed between the first baffle 211 and the second baffle 113;
Specifically, in this embodiment, the power mechanism component is an axial flux motor, the power mechanism component includes a first stator 21, a second stator 22 and a rotor 23 disposed in the power component mounting position 111, where the first stator 21 is fixed on the front shell 12, the second stator 22 is fixed on the rear shell 11, and the rotor 23 is disposed between the first stator 21 and the second stator 22, where the first stator 21 and the second stator 22 provide an axial magnetic field force, so as to drive the rotor 23 to rotate, and realize output of power.
Further, referring to fig. 3, the wiring board includes a first wiring board 212 detachably connected to the opening 114 of the first barrier 211, and a second wiring board 115 detachably connected to the opening 114 of the second barrier 113. The first wiring floating plate 212 surrounds the first stator 21, when the power line of the first stator 21 is arranged, the first wiring floating plate 212 can be removed from the first baffle 211, and after the power line of the first stator 21 passes through the wiring hole on the first wiring floating plate 212, the first wiring floating plate 212 is assembled on the first baffle 211; the second connection floating plate 115 surrounds the second stator 22, and the same applies when the power line of the second stator 22 is arranged, the second connection floating plate 115 can be removed from the second baffle plate 113, and the second connection floating plate 115 is assembled on the second baffle plate 113 after the power line of the second stator 22 passes through the connection hole on the second connection floating plate 115. Therefore, the detachable design of the first wiring floating plate 212 and the second wiring floating plate 115 makes the threading of the power line simpler, the power line does not need to pass through from a narrow gap, and abrasion caused by back and forth friction between the power line and the edge of the wiring opening in the threading process can be greatly avoided.
Further, in this embodiment, when the front case 12 and the rear case 11 are integrally spliced, the first wiring floating plate 212 and the second wiring floating plate 115 are not sealed, so that the power component mounting position 111 and the control component mounting position 112 are in air communication, and can share one ventilation valve to regulate air pressure, thereby effectively saving equipment cost.
As shown in fig. 4, a fixed side groove 116 is provided inside the opening 114 of the second baffle plate 113, and opposite sides of the second wiring floating plate 115 are clamped to the second baffle plate 113 through the fixed side groove 116. In this embodiment, the same manner is used for fixing the first wiring floating plate 212 on the first baffle plate 211, and thus, the detailed description thereof will be omitted.
Further, in order to ensure that no gap is left between the bottom edge of the second wiring floating plate 115 and the bottom of the opening 114 of the second baffle plate 113, in this embodiment, a fixed bottom groove 117 is further provided at the bottom of the opening 114 of the second baffle plate 113, and when the second wiring floating plate 115 is assembled on the second baffle plate 113, the bottom edge of the second wiring floating plate 115 can be embedded in a portion of the fixed bottom groove 117, so that a reliable sealing effect is provided between the second wiring floating plate 115 and the second baffle plate 113, and glue filling liquid can be effectively prevented from leaking into the control assembly mounting position 112 when glue is filled into the power assembly mounting position 111.
It should be noted that, in this embodiment, the glue filling manner for the power assembly mounting position 111 is as follows: and placing the rear shell 11 horizontally, then pouring glue into the power component mounting position 111 of the rear shell 11 until the glue pouring surface reaches a position close to the upper end surface of the second wiring floating plate 115, standing until the glue pouring surface is solidified, and after the glue pouring in the power component mounting position 111 of the front shell 12 is solidified, splicing the front shell 12 and the rear shell 11 together.
It should be noted that after the glue filling solution in the power assembly installation position of the rear housing 11 is cured, the second wiring floating plate 115 is further adhered to the second baffle plate 113, so that the fixing effect between the second wiring floating plate 115 and the second baffle plate 113 can be further improved.
In some implementations of the present embodiment, a certain amount of sealant may be pre-coated in the fixed bottom groove 117 and/or the fixed side groove 116 to further enhance the sealing effect between the second wiring floating plate 115 and the second barrier plate 113.
In this embodiment, the length of the side edge of the second wiring floating plate 115 is greater than the length of the fixed side groove 116 and less than the sum of the length of the fixed side groove 116 and the depth of the fixed bottom groove 117. Therefore, the second wiring floating plate 115 assembled on the second baffle plate 113 can float up and down along the fixed side groove 116 within a certain range, so that when the power wires of the power mechanism assembly are subsequently tidied, the second wiring floating plate 115 can float up and down along with the pulling of the power wires, excessive friction can not occur between the power wires and the second wiring floating plate 115, and friction damage of the power wires can be effectively avoided.
In some implementations of this embodiment, as shown in fig. 4, the second wiring floating plate 115 is an arc plate, and when it is assembled on the second baffle plate 113, the protruding surface is disposed towards the control assembly mounting location 112, which enlarges the space in the power assembly mounting location 111, and facilitates the arrangement of the first stator 21 and the second stator 22.
In other implementations of this embodiment, the second wiring floating plate 115 may also be a straight plate, which is configured to facilitate handling and processing, and is more suitable for sealing and installing the wire passing plug 32 later.
In this embodiment, the wiring hole includes 3 first wiring holes that locate the first wiring floating plate 212 is last to be arranged in a word, and locates 4 second wiring holes 31 that the second wiring floating plate 115 is last to be arranged in a word, first wiring hole with set up along circumference dislocation between the second wiring hole 31 for when the threading, the power cord of first stator 21 and the power cord of second stator 22 can follow circumference dislocation and draw forth each other, and the power cord of backshell 11 is walked the line from the left side like this, and the power cord of preceding shell 12 is walked the line from the right side, when with control assembly electric connection, can avoid the power cord to cross the condition emergence in control assembly's junction, has solved the problem of the assembly and the maintenance difficulty that the power cord alternately led to effectively.
It should be noted that in this embodiment, the power mechanism assembly adopts a three-phase winding structure design, so that the first wiring floating plate 212 is provided with 3 first wiring holes for the 3 power lines of the first stator 21 to pass out, and the second wiring floating plate 115 is provided with 4 second wiring holes 31, wherein 3 second wiring holes 31 are used for the 3 power lines of the second stator 22 to pass out, and the other is used for the position signal lines to pass out.
Of course, in other embodiments, the number of phase wires included in the power mechanism assembly may also be varied according to specific needs to construct a two-phase winding or six-phase winding configuration, as this embodiment is merely illustrative and not limiting.
Further, as shown in fig. 3 and 4, the first wiring hole and the second wiring hole 31 are each provided with a wire passing plug 32. The wire passing plug 32 is specifically an O-shaped sealing ring, and is made of silica gel, the O-shaped sealing ring is assembled in the first wiring hole and the second wiring hole 31 and is tightly attached to the first wiring hole and the second wiring hole, a power line of the power mechanism component can pass through the center of the O-shaped sealing ring, the O-shaped sealing ring can be tightly attached to the outer pipe wall of the power line, so that the sealing effect is further improved, and glue filling liquid is prevented from leaking from the first wiring hole or the second wiring hole 31 when the power component mounting position 111 is filled with glue.
Further, referring to fig. 2 and 3, the end surfaces of the rear housing 11 are flush, and the end surfaces of the front housing 12 are non-flush, so that the volume of the control assembly mounting location 112 defined by the front housing 12 is smaller than the volume of the control assembly mounting location 112 defined by the rear housing 11. It can be appreciated that, because the space occupied by the first stator 21 and the second stator 22 is the same, in this embodiment, the power component mounting positions 111 provided on the front shell 12 and the rear shell 11 are the same, and the control component is mainly disposed in the control component mounting position 112 of the rear shell 11, but not excessively occupies the space of the control component mounting position 112 of the front shell 12, so that the space of the control component mounting position 112 of the front shell 12 can be effectively reduced by changing the end surface of the front shell 12 into a stepped shape, thereby saving the material consumption of the shell 10 to the maximum, and reducing the manufacturing cost of the shell 10.
In this embodiment, the cross section of the portion of the housing 10 corresponding to the power assembly mounting location 111 is circular to adapt to the shape of the power mechanism assembly, and the cross section of the housing 10 corresponding to the control assembly mounting location 112 is substantially rectangular to adapt to the shape of the control assembly. It should be noted that this embodiment only illustrates a preferred embodiment, and does not limit the shape of the housing 10.
In summary, in the integrated electric drive assembly according to the above embodiment of the present utility model, the wiring board is detachably connected with the partition board, and the processing personnel can drill and process the wiring board separately after removing the wiring board from the partition board, so as to avoid interference from other structures in the housing 10, and realize accurate punching and positioning, which is beneficial to subsequent power line arrangement.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., 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 embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides an integrated form electric drive assembly, includes the casing, be equipped with a baffle in the casing, the baffle will space separation in the casing has a power component installation position and a control assembly installation position, be equipped with the power unit subassembly in the power component installation position, be equipped with the control assembly in the control assembly installation position, its characterized in that, set up the intercommunication on the baffle the power component installation position with the opening of control assembly installation position, can dismantle on the opening and be connected with a wiring board, a plurality of wiring holes have been seted up on the wiring board, the power cord of power unit subassembly can pass wiring hole electric connection control assembly.
2. The integrated electric drive assembly of claim 1 wherein the housing includes a front shell and a rear shell, the bulkhead includes a first bulkhead and a second bulkhead disposed on the front shell and the rear shell, respectively, the first bulkhead and the second bulkhead are each provided with a portion of the opening, the wiring board includes a first wiring board removably connected to the first bulkhead opening, and a second wiring board removably connected to the second bulkhead opening.
3. The integrated electric drive assembly according to claim 2, wherein a fixed side groove is formed in the inner side of the opening of the second baffle plate, and opposite sides of the second wiring floating plate are clamped on the second baffle plate through the fixed side groove.
4. The integrated electric drive assembly of claim 3 wherein the open bottom of the second barrier plate is provided with a fixed bottom slot, and the bottom edge of the second wiring floating plate can be embedded in a portion of the fixed bottom slot.
5. The integrated electric drive assembly of claim 4 wherein the second wiring floating plate has a side length greater than the length of the fixed side slot and less than the sum of the length of the fixed side slot and the depth of the fixed bottom slot.
6. The integrated electric drive assembly of any one of claims 2-5 wherein the second wiring floating plate is an arcuate or straight plate.
7. The integrated electric drive assembly of claim 2, wherein the wiring holes include a plurality of first wiring holes arranged in a row on the first wiring floating plate and a plurality of second wiring holes arranged in a row on the second wiring floating plate, and the first wiring holes and the second wiring holes are arranged in a staggered manner along a circumferential direction.
8. The integrated electric drive assembly of claim 7, wherein the first and second wire connection holes are each provided with a wire passing plug therein.
9. The integrated electric drive assembly of claim 2 wherein the end surfaces of the rear housing are flush and the end surfaces of the front housing are non-flush such that the volume of the control assembly mounting locations defined by the front housing is less than the volume of the control assembly mounting locations defined by the rear housing.
10. The integrated electric drive assembly of claim 1 wherein the power component mounting locations and the control component mounting locations are horizontally spaced within the housing.
CN202323572704.XU 2023-12-26 2023-12-26 Integrated electric drive assembly Active CN221340949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323572704.XU CN221340949U (en) 2023-12-26 2023-12-26 Integrated electric drive assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323572704.XU CN221340949U (en) 2023-12-26 2023-12-26 Integrated electric drive assembly

Publications (1)

Publication Number Publication Date
CN221340949U true CN221340949U (en) 2024-07-16

Family

ID=91835524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323572704.XU Active CN221340949U (en) 2023-12-26 2023-12-26 Integrated electric drive assembly

Country Status (1)

Country Link
CN (1) CN221340949U (en)

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