CN113488709A - Power battery pack HEV system assembly - Google Patents
Power battery pack HEV system assembly Download PDFInfo
- Publication number
- CN113488709A CN113488709A CN202110627294.0A CN202110627294A CN113488709A CN 113488709 A CN113488709 A CN 113488709A CN 202110627294 A CN202110627294 A CN 202110627294A CN 113488709 A CN113488709 A CN 113488709A
- Authority
- CN
- China
- Prior art keywords
- unit
- air
- module
- control unit
- module unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a power battery pack HEV system assembly, which comprises a first air cooling unit, a BMS control unit, a module unit, a BDU control unit and a second air cooling unit, wherein the BMS control unit and the first air cooling unit are arranged above the module unit, an air outlet channel is formed between the first air cooling unit and the module unit, an air cooling channel is arranged in the module unit, an air inlet channel is formed after the second air cooling unit is arranged at the bottom of the module unit, and the air inlet channel, the air cooling channel and the air outlet channel are sequentially communicated to form an air channel; a BDU control unit is installed above one side of the second air cooling unit, and the module units are connected to the BMS control unit through low-voltage wiring harnesses. The power battery pack HEV system assembly ensures the electrical control of the battery pack system assembly and the stability of the fixation of the module unit and the master control unit, and ensures the balance of the cell temperature in the module unit.
Description
Technical Field
The invention belongs to the technical field of battery systems in the new energy automobile industry, and particularly relates to a power battery pack HEV system assembly.
Background
A Hybrid Electric Vehicle (HEV) mainly includes an electromechanical hybrid system composed of a conventional internal combustion engine, a secondary battery, and a motor, and an electric hybrid system composed of a fuel cell engine, a secondary battery, and a motor. In hybrid systems, secondary batteries are required to have both higher power density, energy density and longer life, and while there are many batteries that are possible candidates, lithium ion batteries and nickel metal hydride batteries are currently most competitive. Lithium ion batteries have received much attention in HEV development due to their greater energy density and greater technical potential.
At present, lithium ion batteries are more and more widely used, and the lead-acid nickel-chromium batteries are gradually replaced by the lithium ion batteries with the advantages of small volume, light weight, environmental protection and reutilization in the field of electric vehicles. In order to meet market demands, the battery pack needs to meet the requirements of the product on safety and reliability, and meanwhile, the product needs to meet the electrical safety inside the battery pack, so that the service life of the battery pack is guaranteed. At present, the assembly structure and the control unit of a battery system are single, the internal components of the system are fixed and assembled with certain limitations, especially when a product is subjected to a temperature rise test, the temperature consistency of a battery cell in the product cannot be effectively guaranteed by the existing assembly structure, the safety performance of the product is affected, and particularly, the strength and the temperature of a multi-module unit system assembly with high voltage and capacity are controlled greatly.
Disclosure of Invention
In view of the above, the present invention is directed to a power battery pack HEV system assembly, so as to solve the problems of the conventional battery module and control unit being single, limitations on fixing and assembling components inside the system, and unbalanced cell temperature inside the module.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a power battery pack HEV system assembly comprises a first air cooling unit, a BMS control unit, a module unit, a BDU control unit and a second air cooling unit, wherein the BMS control unit and the first air cooling unit are installed above the module unit, an air outlet channel is formed between the first air cooling unit and the module unit, an air cooling channel is arranged inside the module unit, an air inlet channel is formed after the second air cooling unit is installed at the bottom of the module unit, and the air inlet channel, the air cooling channel and the air outlet channel are sequentially communicated to form an air channel; a BDU control unit is installed above one side of the second air cooling unit, and the module units are connected to the BMS control unit through low-voltage wiring harnesses.
Further, a cold wind unit includes the casing No. one, and a casing includes air-out groove, connecting portion and the installation department of a body structure, and the cross section of air-out groove and installation department is U type groove structure, and the groove depth of air-out groove is greater than the groove depth of installation department, air-out groove one side rigid coupling air-out chamber, and the other end is connected to the installation department through connecting portion, and the installation department outside is equipped with BMS the control unit.
Furthermore, the air outlet cavity is of an oval cavity structure.
Further, No. two cold wind units include left part, right part and the air inlet chamber of an organic whole structure, and left part and right part are all installed in the modular unit bottom, and right part one side rigid coupling is to the air inlet chamber, and the air inlet chamber is oval cavity structures, and the BDU the control unit is installed to air inlet chamber top.
Furthermore, the module unit comprises twelve modules, and the modules are connected through mechanical metal plates.
Furthermore, the module unit comprises a plurality of modules, side plates and supporting plates, the modules are sequentially connected through mechanical metal plates to form the module unit, the two ends and the middle part of the module unit are respectively provided with one supporting plate, the two sides of the module unit are respectively provided with the side plates, one side of each module is provided with a signal line, and the signal lines are positioned inside the side plates; each module is connected to the BMS control unit through a low voltage harness.
Furthermore, an upper pressing strip support is arranged on two sides above the module unit, and a plurality of wire harness fixing points and copper soft fixing points are uniformly distributed on the upper pressing strip support.
Further, go up layering support top installation casing and BMS support, and BMS support is located the installation department top for form the air outlet passageway between module unit and the casing.
Further, the module unit below installation is pushed down the strip support, pushes down strip support bottom installation left part and right part for all form air intake passageway between module unit and the left part, between module unit and the right part.
Compared with the prior art, the power battery pack HEV system assembly has the following advantages:
(1) the power battery pack HEV system assembly ensures the electrical control of the battery pack system assembly and the stability of the fixation of the module unit and the master control unit, and ensures the balance of the cell temperature in the module unit.
(2) According to the power battery pack HEV system assembly, the battery system assembly is designed into a module unit, a BMS control unit, a BDU control unit and an air cooling unit, wherein the air cooling unit ensures the flow direction of inlet and outlet air in an air cooling system by designing the structures of an air inlet, an air duct flow direction and an air outlet; the module unit is used for fixing the electric core in the module and is matched with the air duct structure and the control unit structure, the temperature and the voltage of the electric core in each module are ensured to be monitored in real time, the BMS control unit is a master control unit and controls the switch of a high-voltage circuit and the monitoring in a low-voltage circuit in the HEV battery system, and the four units jointly form the air-cooled battery system, so that the product quality stability is improved.
(3) According to the power battery pack HEV system assembly, in an air cooling system, natural air flows out of an air outlet channel from an air inlet channel through the air cooling channel in the module unit, and meanwhile, the temperature balance of each battery cell in the module unit of the battery system is ensured by combining the real-time monitoring of the temperature in the master control unit, and the safety performance of the battery system is improved.
(4) According to the power battery pack HEV system assembly, the thickness of the module unit insulating part body is 2mm, the injection molding is realized, the material cost is low, and the process feasibility is high; the supporting plate, the upper pressing strip support and the lower pressing strip support are made of HC340/590DP materials and are 2mm thick, and the upper pressing strip support and the lower pressing strip support are both designed with flanging reinforcing rib structures, so that the strength of the module structure is improved; the box body of the BDU control unit is made of PPO + 10% GF materials, the thickness of the BDU control unit is 3mm, and the BDU control unit is used for fixing electric components inside the BDU control unit and enhancing the strength.
(5) According to the power battery pack HEV system assembly, the module unit connects the module with the BMS control unit and the BDU control unit through the high-voltage cable and the low-voltage wire harness, the cable and the wire harness are fixed on the module insulating part and the support through the upper pressing bar support, and the connection is firm and the fixation is reliable.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a power battery pack HEV system assembly according to an embodiment of the invention;
fig. 2 is a first schematic view of a first air cooling unit according to an embodiment of the present invention;
fig. 3 is a second schematic diagram of a first cooling air unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a module unit according to an embodiment of the present invention;
FIG. 5 is a schematic view of a second air cooling unit according to an embodiment of the present invention;
fig. 6 is a schematic view of a BMS support according to an embodiment of the present invention.
Description of reference numerals:
1-a first cold air unit; 11-shell number one; 111-air outlet groove; 112-a connecting portion; 113-a mounting portion; 12-an air outlet cavity; 2-a BMS control unit; 3-a modular unit; 31-a module; 32-side plate; 33-signal lines; 34-a support plate; 35-upper trim strip support; 36-harness fixation point; 37-copper soft fixation points; a 4-BDU control unit; 5-second air cooling unit; 51-left part; 52-right part; 53-air inlet chamber; 6-BMS scaffold.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The noun explains:
HEV A Hybrid Electric Vehicle (Hybrid Electric Vehicle), i.e., a Hybrid Electric Vehicle. HEV is a compromise between traditional and fully electric vehicles: the hybrid driving system simultaneously utilizes the internal combustion engine of the traditional automobile and the motor of the complete electric automobile to carry out hybrid driving, reduces the demand on fossil fuel, and improves the fuel economy, thereby achieving the effects of saving energy, reducing emission and relieving greenhouse effect.
BMS Battery management System (BATTERY MANAGEMENT SYSTEM), electric vehicle BATTERY Management System (BMS) is the important tie of connecting on-vehicle power BATTERY and electric automobile, and its main function includes: monitoring physical parameters of the battery in real time; estimating the state of the battery; online diagnosis and early warning; charging, discharging and pre-charging control; balance management, thermal management, and the like. The BMS includes a plurality of processing modules: the system comprises a data acquisition module, an SOC estimation module, an electrical control module, a safety control module, a thermal management module, a data communication and display module and the like.
The BDU is an electric automobile high-voltage distribution box, and a new energy electric automobile high-voltage distribution cabinet (box/case) is a high-voltage large-current distribution unit of all pure electric automobiles and plug-in hybrid electric vehicles. Adopt centralized distribution scheme, structural design is compact, and the wiring overall arrangement is convenient, overhauls convenient and fast. According to the system architecture requirements of different customers, the high-voltage distribution box is also integrated with a part of intelligent control management units of the battery management system, so that the complexity of the whole vehicle system architecture power distribution is further simplified.
A power battery pack HEV system assembly is shown in figures 1 to 6 and comprises a first air cooling unit 1, a BMS control unit 2, a module unit 3, a BDU control unit 4 and a second air cooling unit 5, wherein the BMS control unit 2 and the first air cooling unit 1 are installed above the module unit 3, an air outlet channel is formed between the first air cooling unit 1 and the module unit 3, an air cooling channel is arranged inside the module unit 3, an air inlet channel is formed after the second air cooling unit 5 is installed at the bottom of the module unit 3, and the air inlet channel, the air cooling channel and the air outlet channel are sequentially communicated to form an air channel; no. two air cooling unit 5 one side top installation BDU the control unit 4, module unit 3 is through low-voltage pencil with voltage and temperature information transmission to BMS the control unit 2, and BMS the control unit 2 is controlled module unit 3's electrical parameter, has guaranteed the stability of battery system module unit 3 quality. Meanwhile, the BMS control unit 2 combines the electrical parameters of the module unit 3 according to the signal instruction of the whole vehicle end, and controls the opening and closing of related relays in the BDU control unit by sending signals to the BDU control unit 4, so that the functions of charging and discharging the whole battery system are controlled.
The battery system assembly is designed into a module unit, a BMS control unit, a BDU control unit and an air cooling unit, wherein the air cooling unit ensures the flow direction of inlet air and outlet air in the air cooling system by designing the structures of an air inlet, an air channel flow direction and an air outlet; the module unit is used for fixing the electric core in the module and is matched with the air duct structure and the control unit structure, the temperature and the voltage of the electric core in each module are ensured to be monitored in real time, the BMS control unit is a master control unit and controls the switch of a high-voltage circuit and the monitoring in a low-voltage circuit in the HEV battery system, and the four units jointly form the air-cooled battery system, so that the product quality stability is improved.
No. one cold wind unit 1 includes a casing 11, and a casing 11 includes an integrative structure's play wind groove 111, connecting portion 112 and installation department 113, and the cross section of going out wind groove 111 and installation department 113 is U type groove structure, and the groove depth that goes out wind groove 111 is greater than the groove depth of installation department 113, goes out wind groove 111 one side and connects out wind chamber 12 admittedly, and the other end is connected to installation department 113 through connecting portion 112, installation department 113 externally mounted BMS the control unit 2.
The air outlet cavity 12 is of an oval cavity structure, is large in cross sectional area, is smooth in structure, and prevents a wire harness or components inside the HEV system assembly of the power battery pack from being scratched.
The second cold air unit 5 comprises a left part 51, a right part 52 and an air inlet cavity 53 which are of an integral structure, wherein the left part 51 and the right part 53 are both positioned at the bottom of the module unit 3, one side of the right part 52 is fixedly connected to the air inlet cavity 53, the air inlet cavity 53 is of an oval cavity structure, and the BDU control unit 4 is arranged above the air inlet cavity 53.
The air cooling system of the HEV battery pack assembly is distributed in the module unit 3, the top and the bottom of the module unit 3 are provided with a ventilation structure and an air guide opening structure, and an air cooling flowing channel is arranged inside the module unit. In the air cooling system, natural wind flows out from the air outlet channel from the air inlet channel through the air cooling channel in the module unit 3, and simultaneously, the temperature balance of each battery cell in the module unit of the battery system is ensured by combining the real-time monitoring of the temperature sense in the BMS control unit 2, and the safety performance of the battery system is improved.
The module unit 3 is integrally composed of twelve small modules, the modules are connected through a mechanical sheet metal structure, and end plate structures are designed on two sides of the module unit 3 to ensure the strength of the module unit.
In one or more embodiments, the module unit 3 includes a plurality of modules 31, side plates 32, signal lines 33, support plates 34, an upper batten support 35, harness fixing points 36, soft copper fixing points 37 and a lower batten support, the modules 31 are sequentially connected through a mechanical sheet metal to form a module unit, the support plates 34 are respectively installed at two ends and the middle part of the module unit, the side plates 32 are respectively installed at two sides of the module unit, the signal line 33 is arranged at one side of each module 31, and the signal line 33 is located inside the side plates 32; each module 31 is connected to the BMS control unit 2 through a low voltage harness.
The HEV power battery system consists of a battery pack, a battery management system and an electric system. The three parts are reasonably matched, and charge and discharge are carried out according to different working conditions and the requirements of the whole vehicle, and meanwhile, the state monitoring, the energy management, the safety management and the health management of the power battery are realized. The electrical system consists of a BDU, a high-voltage connection and a low-voltage control communication wire harness, is used as a link between the battery management system and the battery pack, provides reliable hardware support for the battery management system and the battery pack, and can perform energy distribution and safety protection of the power battery.
An upper pressing strip support 35 is arranged above the module units, a plurality of harness fixing points 36 and copper soft fixing points 37 are uniformly distributed on the upper pressing strip support 35, preferably, a plurality of copper soft fixing points 37 are uniformly distributed on one upper pressing strip support 35, the module unit 3 connects the module 31 with the electrical systems of the BMS control unit 2 and the BDU control unit 4 through a high-voltage cable and a low-voltage wire harness, and the cable and the wire harness are fixed on a module insulating part and a support through the upper pressing strip support 35, so that the connection is firm, and the fixation is reliable.
Preferably, the first housing 11 and the BMS support 6 are mounted above the upper bead support 35, and the BMS support 6 is positioned above the mounting part 113 such that an air outlet passage is formed between the module unit and the first housing 11.
The module unit below installation is pushed down the strip support, pushes down strip support bottom installation left part 51 and right part 52 for all form air intake passageway between module unit and the left part 51, between module unit and the right part 52.
In one or more real-time examples, BMS support 6 is the rectangular plate structure, and four angles departments of rectangular plate all are equipped with an L type connecting plate, are equipped with the screw on the connecting plate, make things convenient for the dismouting of BMS support 6 and installation department 113. The rectangular plate structure ensures the stability of the BMS control unit 2. The module unit fastens the support plate 34, the upper pressing strip support 35 and the lower pressing strip support through non-standard through nails, and is convenient to disassemble and assemble.
The battery module unit 3 of the HEV battery pack integrates the BMS control unit 2 and the BDU control unit 4 into a whole through the upper pressing bar support 35 and the second air cooling unit 5, and is firm in connection and reliable in fixation.
The thickness of the insulating part body of the module unit 3 is 2mm, and the module unit is formed by injection molding, so that the material cost is low and the process feasibility is high. The supporting plate 34, the upper pressing strip support 35 and the lower pressing strip support are made of HC340/590DP materials, the thickness of the supporting plate is 2mm, the upper pressing strip support 35 and the lower pressing strip support are both designed with flanging reinforcing rib structures, and the strength of the module structure is improved. The box body of BDU the control unit 4 adopts PPO + 10% GF material, and thickness 3mm for the inside electric assembly of fixed BDU the control unit 4 satisfies the intensity requirement.
According to the battery pack system assembly fixing and mechanical cooperation theory, the battery pack internal modules are fixed and reliable, the process is feasible, the mechanical performance of the battery system is improved, and the battery system assembly is designed into a module unit, a BMS control unit, a BDU control unit and an air cooling structure unit. The air cooling structure unit ensures the flow direction of inlet and outlet air in the air cooling system by designing the structures of the air inlet channel, the air channel flow direction and the air outlet channel. The module unit is used for fixing the electric core in the module and is matched with the air duct structure and the control unit structure, the temperature and the voltage of the electric core in each module are ensured to be monitored in real time, the BMS unit is a master control unit and controls the switch of a high-voltage circuit and the monitoring in a low-voltage circuit in the HEV battery system, and the four units jointly form the air-cooled battery system, so that the product quality stability is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A power battery package HEV system assembly which characterized in that: the air cooling system comprises a first air cooling unit, a BMS control unit, a module unit, a BDU control unit and a second air cooling unit, wherein the BMS control unit and the first air cooling unit are arranged above the module unit, an air outlet channel is formed between the first air cooling unit and the module unit, an air cooling channel is arranged inside the module unit, an air inlet channel is formed after the second air cooling unit is arranged at the bottom of the module unit, and the air inlet channel, the air cooling channel and the air outlet channel are sequentially communicated to form an air channel; a BDU control unit is installed above one side of the second air cooling unit, and the module units are connected to the BMS control unit through low-voltage wiring harnesses.
2. A power pack HEV system assembly according to claim 1, wherein: a cold wind unit includes the casing No. one, and the casing includes air-out groove, connecting portion and the installation department of a body structure, and the cross section of air-out groove and installation department is U type groove structure, and the groove depth of air-out groove is greater than the groove depth of installation department, air-out groove one side rigid coupling air-out chamber, and the other end is connected to the installation department through connecting portion, and the installation department outside is equipped with BMS the control unit.
3. A power pack HEV system assembly according to claim 2, wherein: the air outlet cavity is of an oval cavity structure.
4. A power pack HEV system assembly according to claim 1, wherein: no. two cold wind units include left part, right part and the air inlet chamber of integrative structure, and left part and right part are all installed in the modular unit bottom, and right part one side rigid coupling is to the air inlet chamber, and the air inlet chamber is oval cavity structure, and the air inlet chamber top installation BDU the control unit.
5. A power pack HEV system assembly according to claim 1, wherein: the module unit comprises twelve modules, and the modules are connected through mechanical metal plates.
6. A power pack HEV system assembly according to claim 2, wherein: the module unit comprises a plurality of modules, side plates and supporting plates, the modules are sequentially connected through mechanical metal plates to form the module unit, the two ends and the middle part of the module unit are respectively provided with one supporting plate, the two sides of the module unit are respectively provided with the side plates, one side of each module is provided with a signal wire, and the signal wires are positioned inside the side plates; each module is connected to the BMS control unit through a low voltage harness.
7. The power pack HEV system assembly of claim 6, wherein: an upper pressing strip support is arranged on each of two sides above the module unit, and a plurality of wire harness fixing points and copper soft fixing points are uniformly distributed on the upper pressing strip support.
8. A power pack HEV system assembly according to claim 7, wherein: casing and BMS support are installed to last layering support top, and the BMS support is located the installation department top for form the air outlet passageway between module unit and the casing.
9. The power pack HEV system assembly of claim 4, wherein: the module unit below installation is pushed down the strip support, pushes down strip support bottom installation left part and right part for all form air intake passageway between module unit and the left part, between module unit and the right part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110627294.0A CN113488709A (en) | 2021-06-04 | 2021-06-04 | Power battery pack HEV system assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110627294.0A CN113488709A (en) | 2021-06-04 | 2021-06-04 | Power battery pack HEV system assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113488709A true CN113488709A (en) | 2021-10-08 |
Family
ID=77934706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110627294.0A Pending CN113488709A (en) | 2021-06-04 | 2021-06-04 | Power battery pack HEV system assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113488709A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1812182A (en) * | 2004-10-28 | 2006-08-02 | 三星Sdi株式会社 | Battery module and cooling device for battery module |
| CN101401228A (en) * | 2006-02-27 | 2009-04-01 | 株式会社Lg化学 | Middle and large-sized battery pack of excellent cooling efficiency |
| CN102334227A (en) * | 2009-02-27 | 2012-01-25 | 株式会社Lg化学 | Medium- to large-size battery pack case having improved uniformity of distribution of coolant flow |
| CN202474143U (en) * | 2012-03-23 | 2012-10-03 | 上海中科深江电动车辆有限公司 | Power cell heat management device with temperature adjustment and counterbalance function |
| CN103190030A (en) * | 2010-11-18 | 2013-07-03 | 株式会社Lg化学 | Battery pack having superior cooling efficiency |
| CN103618121A (en) * | 2013-12-11 | 2014-03-05 | 重庆长安汽车股份有限公司 | Heat management structure of power battery and heat management method thereof |
| CN203589175U (en) * | 2013-09-29 | 2014-05-07 | 奇瑞汽车股份有限公司 | Thermal management system of hybrid electric automobile battery pack |
| CN104852105A (en) * | 2014-11-13 | 2015-08-19 | 科力远混合动力技术有限公司 | Power battery pack heat dissipation device for hybrid electric vehicle |
| JP2015149212A (en) * | 2014-02-07 | 2015-08-20 | 富士重工業株式会社 | On-vehicle battery |
| KR101584322B1 (en) * | 2014-07-23 | 2016-01-13 | 티에스 주식회사 | System for driving vehicle having hermetically sealed battery pack based on air cooling type |
| CN105489796A (en) * | 2014-10-06 | 2016-04-13 | 株式会社Lg化学 | Battery pack case, battery pack, and apparatus using battery pack as power supply |
| US20170365893A1 (en) * | 2016-06-16 | 2017-12-21 | Lg Chem, Ltd. | Energy storage system and temperature control method for the same |
| CN108389992A (en) * | 2018-03-29 | 2018-08-10 | 中国第汽车股份有限公司 | A kind of power battery assembly |
| CN209232838U (en) * | 2018-12-11 | 2019-08-09 | 北京汽车研究总院有限公司 | Power cell of vehicle system component and vehicle with it |
| CN209526185U (en) * | 2019-03-27 | 2019-10-22 | 上海蓝诺新能源技术有限公司 | Electrokinetic cell system for automobile |
| CN112259823A (en) * | 2020-04-29 | 2021-01-22 | 蜂巢能源科技有限公司 | Battery pack |
| CN213071279U (en) * | 2020-08-22 | 2021-04-27 | 江苏塔菲尔动力系统有限公司 | Wiring harness isolation pressing plate structure and battery pack thereof |
| CN112886121A (en) * | 2019-11-14 | 2021-06-01 | 现代自动车株式会社 | Battery system for vehicle |
-
2021
- 2021-06-04 CN CN202110627294.0A patent/CN113488709A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1812182A (en) * | 2004-10-28 | 2006-08-02 | 三星Sdi株式会社 | Battery module and cooling device for battery module |
| CN101401228A (en) * | 2006-02-27 | 2009-04-01 | 株式会社Lg化学 | Middle and large-sized battery pack of excellent cooling efficiency |
| CN102334227A (en) * | 2009-02-27 | 2012-01-25 | 株式会社Lg化学 | Medium- to large-size battery pack case having improved uniformity of distribution of coolant flow |
| CN103190030A (en) * | 2010-11-18 | 2013-07-03 | 株式会社Lg化学 | Battery pack having superior cooling efficiency |
| CN202474143U (en) * | 2012-03-23 | 2012-10-03 | 上海中科深江电动车辆有限公司 | Power cell heat management device with temperature adjustment and counterbalance function |
| CN203589175U (en) * | 2013-09-29 | 2014-05-07 | 奇瑞汽车股份有限公司 | Thermal management system of hybrid electric automobile battery pack |
| CN103618121A (en) * | 2013-12-11 | 2014-03-05 | 重庆长安汽车股份有限公司 | Heat management structure of power battery and heat management method thereof |
| JP2015149212A (en) * | 2014-02-07 | 2015-08-20 | 富士重工業株式会社 | On-vehicle battery |
| CN105392674A (en) * | 2014-07-23 | 2016-03-09 | Ts株式会社 | Vehicle driving system having air-cooling-based airtight battery pack |
| KR101584322B1 (en) * | 2014-07-23 | 2016-01-13 | 티에스 주식회사 | System for driving vehicle having hermetically sealed battery pack based on air cooling type |
| CN105489796A (en) * | 2014-10-06 | 2016-04-13 | 株式会社Lg化学 | Battery pack case, battery pack, and apparatus using battery pack as power supply |
| US20170309980A1 (en) * | 2014-10-06 | 2017-10-26 | Lg Chem, Ltd. | Battery pack case having efficient cooling structure |
| CN104852105A (en) * | 2014-11-13 | 2015-08-19 | 科力远混合动力技术有限公司 | Power battery pack heat dissipation device for hybrid electric vehicle |
| US20170365893A1 (en) * | 2016-06-16 | 2017-12-21 | Lg Chem, Ltd. | Energy storage system and temperature control method for the same |
| CN108389992A (en) * | 2018-03-29 | 2018-08-10 | 中国第汽车股份有限公司 | A kind of power battery assembly |
| CN209232838U (en) * | 2018-12-11 | 2019-08-09 | 北京汽车研究总院有限公司 | Power cell of vehicle system component and vehicle with it |
| CN209526185U (en) * | 2019-03-27 | 2019-10-22 | 上海蓝诺新能源技术有限公司 | Electrokinetic cell system for automobile |
| CN112886121A (en) * | 2019-11-14 | 2021-06-01 | 现代自动车株式会社 | Battery system for vehicle |
| CN112259823A (en) * | 2020-04-29 | 2021-01-22 | 蜂巢能源科技有限公司 | Battery pack |
| CN213071279U (en) * | 2020-08-22 | 2021-04-27 | 江苏塔菲尔动力系统有限公司 | Wiring harness isolation pressing plate structure and battery pack thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102306717B (en) | Lithium ion power battery pack for electric automobile and manufacturing method of lithium ion power battery pack | |
| CN101622735A (en) | Battery module | |
| WO2020056858A1 (en) | Energy system for new energy vehicle | |
| CN112072026A (en) | Power battery pack | |
| CN206312980U (en) | For the integrated battery of vehicle | |
| CN208630378U (en) | It fills distribution assembly cabinet, fill distribution assembly and vehicle | |
| CN108099681A (en) | Vehicle-mounted charging device | |
| CN211844151U (en) | BDU assembly and vehicle integrate | |
| CN106450098A (en) | High-energy-density easy-to-maintain battery box structure | |
| CN218677283U (en) | Hybrid battery system and vehicle | |
| CN209467092U (en) | A kind of electric automobile high-voltage block terminal | |
| CN113488709A (en) | Power battery pack HEV system assembly | |
| CN219017792U (en) | High-capacity energy-storage battery device | |
| CN109802061B (en) | Power battery pack of automobile start-stop system | |
| CN215527852U (en) | Diesel oil extended-range electric light-duty battery pack structure | |
| CN212587624U (en) | Power battery pack | |
| CN211844309U (en) | Integrated power battery assembly and automobile | |
| CN210092194U (en) | Commodity circulation car battery system | |
| CN221240633U (en) | High-pressure control box and vehicle | |
| CN217507509U (en) | Battery box integrating high-voltage power battery and low-voltage battery | |
| CN216300757U (en) | Vehicle architecture with battery pack integrated on vehicle | |
| CN219086212U (en) | Battery module and electric equipment | |
| CN115312937B (en) | Battery pack and electric device comprising same | |
| CN217741364U (en) | BDU module and battery pack applying same | |
| CN220492019U (en) | Battery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211008 |