CN112054144A - Soft package module and electric vehicle - Google Patents
Soft package module and electric vehicle Download PDFInfo
- Publication number
- CN112054144A CN112054144A CN202011009692.8A CN202011009692A CN112054144A CN 112054144 A CN112054144 A CN 112054144A CN 202011009692 A CN202011009692 A CN 202011009692A CN 112054144 A CN112054144 A CN 112054144A
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- assembly
- module
- sampling
- electric core
- housing
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- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- 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
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- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- 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
Abstract
The embodiment of the invention provides a soft package module and an electric vehicle, and relates to the field of power batteries. The soft package module comprises an electric core component, a bus bar, a wiring harness isolation plate, a module end plate, a foam compressing piece, a sampling component and a shell component; the wire harness isolation plate is arranged between the bus bar and the electric core assembly, the bus bar is positioned at two ends of the electric core assembly and is electrically connected with the electric core assembly, and the module end plate is connected with the shell assembly; the sampling assembly is connected with the cell assembly and is used for sampling parameters to be acquired of the cell assembly, and the foam pressing assembly is arranged between the sampling assembly and the shell assembly. The embodiment of the invention can ensure the sampling accuracy, thereby better exerting the performance of the battery cell and improving the user experience.
Description
Technical Field
The invention relates to the field of power batteries, in particular to a soft package module and an electric vehicle.
Background
The existing soft-packet module has lower accuracy in sampling the temperature of the battery cell, and cannot truly reflect the temperature of the battery cell, so that the performance of a battery system cannot be reasonably used.
Disclosure of Invention
The invention aims to provide a soft package module and an electric vehicle, which can ensure the sampling accuracy, so that the performance of a battery cell is better exerted, and the user experience is improved.
The embodiment of the invention is realized by the following steps:
in a first aspect, an embodiment of the present invention provides a soft package module, where the soft package module includes a core assembly, a bus bar, a wire harness isolation plate, a module end plate, a foam compressing member, a sampling assembly, and a shell assembly;
the cell assembly is arranged in the shell assembly, the wiring harness isolation plate is arranged between the busbar and the cell assembly, the busbar is positioned at two ends of the cell assembly and is electrically connected with the cell assembly, and the module end plate is connected with the shell assembly;
the sampling subassembly with the electricity core subassembly is connected for it is right the electricity core subassembly wait to acquire the parameter sampling, the cotton piece that compresses tightly of bubble set up in the sampling subassembly with between the casing subassembly.
In an optional embodiment, the sampling assembly comprises a sampling circuit board and a circuit board support, the sampling circuit board is connected with the circuit board support, the circuit board support extends from one end of the cell assembly to the opposite other end, and is connected with the sampling circuit board and the cell assembly, and is used for acquiring the parameters to be acquired of the cell assembly.
In an optional embodiment, a temperature sampling terminal is arranged on the sampling circuit board, and the temperature sampling terminal is connected with the cell assembly and used for acquiring temperature information of the cell assembly.
In an optional embodiment, the housing assembly comprises a module housing and a module upper cover, the module housing is connected with the module upper cover, the module end plate is connected with the module housing and the module upper cover respectively, and the foam compressing member is located between the module upper cover and the sampling assembly.
In an optional embodiment, the module housing includes a housing bottom plate and two housing side plates, the two housing side plates are respectively connected to two opposite sides of the housing bottom plate, the module upper cover is connected to the housing side plates, and the module end plate is connected to the housing bottom plate and the housing side plates.
In an alternative embodiment, the housing side plate is provided with a reinforcing rib extending along a length direction of the housing side plate.
In an optional embodiment, a heat-conducting silica gel is arranged between the electric core assembly and the casing bottom plate, and the heat-conducting silica gel is used for conducting heat on the electric core assembly to the casing bottom plate.
In an alternative embodiment, the wire harness isolation plate is provided with a positioning fixing pin for positioning and fixing the busbar.
In an alternative embodiment, the module end plate wraps around the ends of the bus bars.
In an alternative embodiment, the module end plate is made of a composite of stainless steel and plastic.
In a second aspect, an embodiment of the present invention provides an electric vehicle, including the soft packing module according to any one of the foregoing embodiments.
The embodiment of the invention provides a soft package module and an electric vehicle, wherein the soft package module comprises: the soft package module comprises an electric core component, a bus bar, a wiring harness isolation plate, a module end plate, a foam compressing piece, a sampling component and a shell component; the electric core assembly is connected with the bus bar, the sampling assembly is used for acquiring parameters to be acquired of the electric core assembly, the bus bar is respectively positioned at two ends of the electric core assembly, the wiring harness isolation plate is arranged between the electric core assembly and the bus bar, and the module end plate is connected with the shell assembly. In the embodiment of the invention, the foam pressing piece is positioned between the sampling assembly and the shell assembly, and after assembly, the foam pressing piece is pressed on the sampling assembly through the shell assembly, namely, the sampling assembly can be pressed on the electric core assembly. The sampling assembly is connected or attached to the cell assembly, so that the parameter to be acquired of the cell assembly is sampled, and the accuracy of parameter sampling to be acquired of the sampling assembly is guaranteed; compress tightly between the cotton pressing component that compresses tightly of bubble can make sampling subassembly and the electric core subassembly to guarantee good laminating effect, reduce external vibration to the influence of electric core subassembly, thereby guarantee that the sampling subassembly can laminate with the electric core subassembly all the time. The embodiment of the invention can ensure the sampling accuracy, optimize the module heat dissipation performance and be beneficial to ensuring the sampling accuracy, thereby better exerting the performance of the battery cell and improving the user experience.
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 structural diagram of a soft package module according to an embodiment of the present invention;
FIG. 2 is an exploded view of the soft packing module of FIG. 1;
FIG. 3 is a schematic diagram of the sampling assembly of FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
fig. 5 is a schematic cross-sectional structural view of the soft packing module in fig. 1;
FIG. 6 is a schematic structural view of the electric core assembly of FIG. 1;
FIG. 7 is a schematic structural view of the wire harness spacer of FIG. 1;
fig. 8 is a schematic structural view of the module end plate of fig. 1.
Icon: 100-soft package module; 110-an electrical core assembly; 120-a bus; 130-a harness isolation plate; 131-a positioning pin; 140-module end plates; 150-a foam compressing member; 160-a sampling component; 161-sampling circuit board; 162-a circuit board support; 163-temperature sampling terminal; 170-a housing assembly; 171-a module housing; 1711-housing floor; 1712-shell side plates; 1713-reinforcing ribs; 172-module top cover; 180-heat conducting silica gel; 191-heat conducting aluminum plate.
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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, an embodiment of the invention provides a soft packing module 100. The soft packing module 100 may be applied to an electric vehicle. The electric vehicle can be a new energy automobile and the like. The soft package module 100 provided by the embodiment of the invention can ensure sampling accuracy, optimize module heat dissipation performance and be beneficial to ensuring the cycle life of a battery.
In an embodiment of the present invention, the drape module 100 includes a core assembly 110, a bus bar 120, a harness spacer plate 130, a module end plate 140, a foam compression 150, a sampling assembly 160, and a housing assembly 170. The electric core assembly 110 is installed in the housing assembly 170, the wire harness isolation plate 130 is arranged between the bus bar 120 and the electric core assembly 110, the bus bar 120 is positioned at two ends of the electric core assembly 110 and is electrically connected with the electric core assembly 110, and the module end plate 140 is connected with the housing assembly 170; sampling subassembly 160 is connected with electric core subassembly 110 for to wait to acquire parameter sampling to electric core subassembly 110, the cotton piece 150 that compresses tightly of bubble sets up between sampling subassembly 160 and casing subassembly 170.
It should be noted that, in the embodiment of the present invention, the sampling assembly 160 can acquire the parameter to be acquired of the electric core assembly 110, where the parameter to be acquired includes, but is not limited to, temperature information of the electric core assembly 110, that is, the sampling assembly 160 can acquire the real-time temperature of the electric core assembly 110. In the following description, for the sake of simplicity and convenience of description, the parameter to be acquired is sometimes replaced with temperature or temperature information; however, it should be understood that it is not limited to temperature or temperature information, but may also include other parameters of the electrical core assembly 110.
It should be understood that, in the embodiment of the present invention, the electric core assembly 110 is connected to the bus bar 120, and the sampling assembly 160 is used for acquiring a parameter to be acquired of the electric core assembly 110, such as the sampling assembly 160 is used for acquiring the temperature of the electric core assembly 110; the number of the bus bars 120 is two groups, and the two groups are respectively positioned at two ends of the electric core assembly 110; the harness isolation plates 130 are disposed between the core assembly 110 and the bus bars 120, and the number thereof is two groups corresponding to the number of the bus bars 120; the module end plates 140 are connected to the bus bars 120 and to the housing assembly 170, and the number of the module end plates 140 is two. In the embodiment of the present invention, the foam pressing member 150 is located between the sampling assembly 160 and the housing assembly 170, and after assembly, the foam pressing member 150 is pressed onto the sampling assembly 160 through the housing assembly 170, that is, the sampling assembly 160 can be pressed onto the electric core assembly 110. The sampling assembly 160 is connected or attached to the electric core assembly 110 to realize the sampling of the parameters to be acquired of the electric core assembly 110; compress tightly between sample subassembly 160 and the electric core subassembly 110 through the cotton piece 150 that compresses tightly of bubble to guarantee good laminating effect, be favorable to guaranteeing that sample subassembly 160 can wait to acquire the accuracy that the parameter sampled. Simultaneously, in soft-package module 100 use, for example as electric vehicle's power battery, external vibration can make soft-package module 100 vibrate thereupon, and set up the bubble cotton and compress tightly piece 150 and can absorb vibration to a certain extent, reduce the influence of vibration to electric core subassembly 110 to and reduce the vibration between sampling subassembly 160 and the electric core subassembly 110, thereby guarantee that sampling subassembly 160 can laminate with electric core subassembly 110 all the time. The soft package module 100 provided by the embodiment of the invention can ensure the sampling accuracy.
Optionally, in the embodiment of the present invention, the sampling assembly 160 is attached to the position of the electric core assembly 110 close to the center, which is beneficial to further ensuring the accuracy of the sampled temperature data and improving the sampling accuracy temperature.
It should be noted that, the sampling of the sampling assembly 160 and the electric core assembly 110 in the embodiment of the present invention has better accuracy than the prior art in which the sampling assembly 160 and the bus bar 120 are fit for sampling. In the pouch module 100, the temperature of the bus bar 120 may be greater than the temperature on the cell assembly 110, especially under the condition of large multiplying power, i.e. the temperature of the sampling bus bar 120 cannot accurately reflect the actual temperature of the cell assembly 110, thereby causing the battery system to be used with limited power in advance. In the soft package module 100 provided by the embodiment of the invention, the sampling assembly 160 is attached to the electric core assembly 110, the temperature of the electric core assembly 110 is directly obtained through the sampling assembly 160, the actual temperature condition of the electric core assembly 110 can be accurately reflected, and when a high-rate overcurrent occurs, a battery system cannot be used in a limited power manner too early, so that the driving experience of a user on an electric vehicle comprising the soft package module 100 is improved.
Meanwhile, it should also be noted that, in the embodiment of the present invention, the foam pressing member 150 can press the sampling assembly 160 on the electric core assembly 110, which is beneficial to improving the sampling reliability.
Referring to fig. 3 and 4, in an alternative embodiment, the sampling assembly 160 includes a sampling circuit board 161 and a circuit board holder 162, the sampling circuit board 161 is connected to the circuit board holder 162, and the circuit board holder 162 extends from one end of the cell assembly 110 to the opposite end, and is connected to the sampling circuit board 161 and the cell assembly 110, so as to obtain the parameter to be obtained of the cell assembly 110.
Optionally, a temperature sampling terminal 163 is disposed on the sampling circuit board 161, and the temperature sampling terminal 163 is connected to the electric core assembly 110, and is used for acquiring temperature information of the electric core assembly 110. The Temperature sampling terminal 163 may be an NTC terminal (Negative Temperature Coefficient, which refers to a thermistor phenomenon and material having a Negative Temperature Coefficient in which resistance decreases exponentially with Temperature rise, and which is a semiconductor ceramic formed by performing processes such as mixing, molding, and sintering two or more metal oxides of manganese, copper, silicon, cobalt, iron, nickel, and zinc, and the like, and may be manufactured into a thermistor having a Negative Temperature Coefficient).
In an embodiment of the present invention, the temperature sampling terminal 163 may be a thermistor having a negative temperature coefficient. This temperature sampling terminal 163 can laminate on electric core subassembly 110 to compress tightly piece 150 through the bubble cotton, reduce the influence of external vibration to temperature sampling terminal 163 and electric core subassembly 110 laminating effect, be favorable to making temperature sampling terminal 163 can hug closely on electric core subassembly 110 at whole life cycle.
Alternatively, the sampling Circuit board 161 may be an FPC (Flexible Printed Circuit). The sampling circuit board 161 is connected to the circuit board holder 162 and may extend from one end of the electric core assembly 110 to the opposite end. The connection mode of the sampling circuit board 161 and the circuit board support 162 includes but is not limited to: bonding, clamping, etc.
Optionally, the sampling circuit board 161 may be electrically connected to a battery management system to transmit the acquired temperature information to the battery management system, so that the battery management system can effectively manage the battery according to the temperature information acquired by the temperature sampling terminal 163, thereby effectively optimizing the power capability of the system and improving the user experience.
With continued reference to fig. 1 and 2, in an alternative embodiment, the housing assembly 170 may include a module housing 171 and a module cover 172, the module housing 171 being coupled to the module cover 172, the module end plate 140 being coupled to the module housing 171 and the module cover 172, respectively, and the foam compression member 150 being positioned between the module cover 172 and the sampling assembly 160.
Alternatively, the module case 171 is substantially U-shaped, and the upper opening of the U-shape is connected to the module upper cover 172, and the openings at both ends are connected to the module end plates 140; after the module case 171 is coupled with the module upper cover 172 and the module end plate 140, the assembly of the soft packing module 100 is substantially completed.
It should be understood that the connection manner of the module case 171 and the module upper cover 172 includes, but is not limited to, various welding such as laser welding, etc.; likewise, the connection of the module end plate 140 to the module case 171 and the module top cover 172 includes, but is not limited to, various welds, such as laser welding, and the like.
Meanwhile, in the embodiment of the present invention, the module housing 171 may be made of a stainless steel material by an integral press molding process. Of course, the module housing 171 may also be formed by press, extrusion, or the like; the problem that the heat conduction flatness of the module is difficult to control is solved through the integrated forming stamping and other processes, and the heat conduction design difficulty between the module and the cold plate is reduced. That is, the flatness of the module case 171, particularly, the flatness of the bottom surface of the module case 171 can be ensured by the above process, and the electric core assembly 110 is arranged on the bottom surface of the module case 171 for heat conduction. The flatness of the surface is guaranteed, the heat dissipation uniformity of the battery core assembly 110 can be guaranteed, the heat dissipation performance of the module is improved, and the temperature difference between the battery cores is optimized.
Further, the module case 171 includes a case bottom plate 1711 and two case side plates 1712, the two case side plates 1712 are respectively connected to two opposite sides of the case bottom plate 1711, the module upper cover 172 is connected to the case side plates 1712, and the module end plates 140 are connected to the case bottom plate 1711 and the case side plates 1712.
As described above, the housing bottom plate 1711 and the housing side plate 1712 of the module housing 171 may be manufactured through a stamping process, and the housing bottom plate 1711 is used to arrange the electric core assembly 110 and to conduct heat to the electric core assembly 110. In the embodiment of the invention, the flatness of the housing bottom plate 1711 is good, which is beneficial to uniform heat conduction and optimization of temperature difference between the battery cores.
Optionally, a heat-conducting silica gel 180 is disposed between the electrical core assembly 110 and the housing bottom plate 1711, and the heat-conducting silica gel 180 is used for conducting heat on the electrical core assembly 110 to the housing bottom plate 1711.
Alternatively, the case side plate 1712 is provided with a rib 1713, and the rib 1713 extends in the longitudinal direction of the case side plate 1712. The reinforcing ribs 1713 are beneficial to increasing the structural strength of the module, and the number of the reinforcing ribs is more than or equal to one; for ease of manufacture and aesthetics, the ribs 1713 are arranged parallel to one another when the number of ribs 1713 is greater than one.
Referring to fig. 5 and fig. 6, in the embodiment of the present invention, the battery core assembly 110 may be formed by connecting a plurality of battery cells in series and parallel; and a buffer foam or a heat-conducting aluminum plate 191 and the like can be arranged between two adjacent electric cores. Optionally, the heat conducting aluminum plate 191 and the plurality of battery cells form a battery cell group, and a buffer foam is arranged between two adjacent battery cell groups. The heat conductive aluminum plate 191 covers the plurality of cells and is mounted on the housing bottom plate 1711, and heat is transferred from the cells to the heat conductive aluminum plate 191 and the housing bottom plate 1711. The buffer foam arranged between the battery cores can absorb the expansion of the battery cores, so that the structural failure of the module structure due to internal force is avoided; meanwhile, the buffering foam can play a role in heat insulation. The heat conductive aluminum plate 191 may have an L-shaped or T-shaped structure.
Referring to fig. 7, optionally, a positioning pin 131 is disposed on the wire harness isolation plate 130, and the positioning pin 131 is used for positioning the busbar 120 during assembly, and simultaneously, the positioning pin 131 is fixed by performing a hot melting process on the positioning pin 131.
Referring to fig. 8, in an alternative embodiment, the module end plate 140 is formed by combining a stainless steel structure and a plastic member, and the two members are pre-assembled through a hot-melting process, thereby simplifying the module assembly process.
In an alternative embodiment, the module end plate 140 covers the end of the bus bar 120, and the module end plate 140 covers the bus bar 120, so that the electrical insulation and voltage resistance design of the module can be enhanced, and the whole bus bar 120 side is isolated from the housing, thereby ensuring the electrical safety of the module.
An embodiment of the present invention provides an electric vehicle, which may be a new energy vehicle, with the soft package module 100 according to any one of the foregoing embodiments.
Referring to fig. 1 to 8, in an embodiment of the present invention, a soft package module 100 and an electric vehicle are provided: the soft package module 100 comprises a core assembly 110, a bus bar 120, a wiring harness isolation plate 130, a module end plate 140, a foam pressing piece 150, a sampling assembly 160 and a shell assembly 170; the electric core assembly 110 is connected with the bus bar 120, the sampling assembly 160 is used for acquiring parameters to be acquired of the electric core assembly 110, the bus bar 120 is respectively located at two ends of the electric core assembly 110, the wiring harness isolation plate 130 is arranged between the electric core assembly 110 and the bus bar 120, and the module end plate 140 is connected with the shell assembly 170. In the embodiment of the present invention, the foam pressing member 150 is located between the sampling assembly 160 and the housing assembly 170, and after assembly, the foam pressing member 150 is pressed onto the sampling assembly 160 through the housing assembly 170, that is, the sampling assembly 160 can be pressed onto the electric core assembly 110. The sampling assembly 160 is connected or attached to the electric core assembly 110, so that the to-be-acquired parameters of the electric core assembly 110 are sampled, and the accuracy of the to-be-acquired parameter sampling of the sampling assembly 160 is guaranteed; compress tightly between sample subassembly 160 and the electric core subassembly 110 through the cotton piece 150 that compresses tightly of bubble to guarantee good laminating effect, reduce external vibration to the influence of electric core subassembly 110, thereby guarantee that sample subassembly 160 can laminate with electric core subassembly 110 all the time. The soft package module 100 provided by the embodiment of the invention can ensure the sampling accuracy, optimize the module heat dissipation performance and be beneficial to ensuring the sampling accuracy, thereby better exerting the cell performance and improving the user experience.
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 (10)
1. A soft-packing module (100) comprising a core assembly (110), a busbar (120), a harness spacer plate (130), a module end plate (140), a foam compression (150), a sampling assembly (160), and a housing assembly (170);
the electric core assembly (110) is installed in the shell assembly (170), the wire harness isolation plate (130) is arranged between the bus bar (120) and the electric core assembly (110), the bus bar (120) is positioned at two ends of the electric core assembly (110) and is electrically connected with the electric core assembly (110), and the module end plate (140) is connected with the shell assembly (170);
the sampling assembly (160) is connected with the electric core assembly (110) and used for sampling the parameters to be acquired of the electric core assembly (110), and the foam pressing piece (150) is arranged between the sampling assembly (160) and the shell assembly (170).
2. The drape assembly according to claim 1, wherein the sampling assembly (160) comprises a sampling circuit board (161) and a circuit board holder (162), the sampling circuit board (161) being connected with the circuit board holder (162), the circuit board holder (162) extending from one end of the cell assembly (110) to the opposite end and being connected with the sampling circuit board (161) and the cell assembly (110) for acquiring the parameter to be acquired of the cell assembly (110).
3. The soft-packing module according to claim 2, wherein a temperature sampling terminal (163) is disposed on the sampling circuit board (161), and the temperature sampling terminal (163) is connected to the electric core assembly (110) for acquiring temperature information of the electric core assembly (110).
4. The soft-packing module set of claim 1, wherein the housing assembly (170) comprises a module housing (171) and a module upper cover (172), the module housing (171) and the module upper cover (172) being connected, the module end plate (140) being connected with the module housing (171) and the module upper cover (172), respectively, the foam compression member (150) being located between the module upper cover (172) and the sampling assembly (160).
5. The soft-packing module set of claim 4, wherein the module housing (171) comprises a housing bottom panel (1711) and two housing side panels (1712), the two housing side panels (1712) being connected to opposite sides of the housing bottom panel (1711), respectively, the module top cover (172) being connected to the housing side panels (1712), and the module end panels (140) being connected to the housing bottom panel (1711) and the housing side panels (1712).
6. The soft packing module of claim 5, wherein the housing side plate (1712) is provided with a rib (1713), and the rib (1713) extends along the length direction of the housing side plate (1712).
7. The soft-packing module according to claim 5, wherein a heat-conducting silica gel (180) is disposed between the electric core assembly (110) and the housing bottom plate (1711), and the heat-conducting silica gel (180) is used for conducting heat on the electric core assembly (110) to the housing bottom plate (1711).
8. The drape module as claimed in claim 1, wherein the module end plate (140) wraps around the end of the bus bar (120).
9. The soft packing module of claim 1, wherein the module end plate (140) is compounded of stainless steel structure and plastic pieces.
10. An electric vehicle, characterized in that it comprises a soft-packing module (100) according to any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011009692.8A CN112054144B (en) | 2020-09-23 | 2020-09-23 | Soft package module and electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011009692.8A CN112054144B (en) | 2020-09-23 | 2020-09-23 | Soft package module and electric vehicle |
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| CN112054144A true CN112054144A (en) | 2020-12-08 |
| CN112054144B CN112054144B (en) | 2023-05-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016876A1 (en) * | 2022-07-21 | 2024-01-25 | 中国第一汽车股份有限公司 | Solid-state battery module |
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| CN112054144B (en) | 2023-05-09 |
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