CN112635879A - Power battery pack assembly suitable for new energy electric vehicle - Google Patents
Power battery pack assembly suitable for new energy electric vehicle Download PDFInfo
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- CN112635879A CN112635879A CN202011375521.7A CN202011375521A CN112635879A CN 112635879 A CN112635879 A CN 112635879A CN 202011375521 A CN202011375521 A CN 202011375521A CN 112635879 A CN112635879 A CN 112635879A
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
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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
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- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a power battery pack assembly suitable for a new energy electric vehicle, which relates to the technical field of new energy vehicles and comprises a box body, a partition plate and a box cover, wherein a storage battery pack consisting of a plurality of storage batteries is arranged in the box body, the partition plate is detachably arranged in the box body, the partition plate divides an inner cavity of the box body into a first containing space and a second containing space, the plurality of storage batteries are respectively arranged in the first containing space and the second containing space, a conveying air duct communicated with the outside is formed in the inner cavity of the partition plate, and a plurality of air holes communicated with the inner cavity of the partition plate are respectively processed on the side walls of two sides of the partition plate; the case lid is detachably mounted on the case body. According to the invention, the partition board is matched with the inner cavity of the induced draft fan to serve as the conveying air duct, so that cold air can be conveyed into the whole box body and cooled internally, and the relatively uniform heat dissipation effect of the whole storage battery pack is achieved.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to the field of new energy power batteries, and particularly relates to a power battery pack assembly suitable for a new energy electric vehicle.
Background
As a key component of an electric automobile, a power battery has great influence on the dynamic property, the economy and the safety of the whole automobile, and the service performance and the service life of the power battery of the existing electric automobile can not meet the requirement of the operation of the electric automobile. The reason mainly includes several aspects: for example, the cost of the high-performance power battery is very high, and the industrialization is difficult; for example, the battery is not operated correctly during use; for example, in order to meet the driving requirements of vehicles, a plurality of storage batteries are connected in series to provide energy for automobiles, so that the inconsistency among the single batteries is increased during the use of the battery pack due to the non-uniformity of the internal environment of the battery pack, and the single storage battery with the worst performance determines the performance of the whole battery pack. The former two factors are not very controllable in operation, while the last factor can be technically overcome under relatively economical conditions.
Wherein, the internal environment of the battery pack mainly refers to the inner cavity of the power battery pack, namely the power battery pack provides, the heat dissipation performance and sealing performance of the power battery pack directly determine the service performance and service life of the storage battery, in the prior art, the heat dissipation is mainly carried out by adopting air cooling and water cooling manners, for example, the heat dissipation performance of the power battery pack is researched by both the integral quick detachable air cooling electric vehicle battery pack disclosed by the Chinese invention patent with the application number of 200820045044.6 and the liquid cooling circulation control method of the power battery box and the power battery box disclosed by the Chinese invention patent with the application number of 201811309033.9, the heat dissipation performance of the power battery pack is not enough, the storage battery in the middle position and the storage battery at the edge have too large heat dissipation effect due to the fact that the cold air has no guidance or guidance on the outer shell, the phenomenon of local overheating occurs, and particularly under the condition that the storage battery arrangement is dense, an ideal solution is not provided; the latter has even and effective heat dissipation effect, but has too high cost and occupies too much installation space of the storage battery, which is not an ideal implementation mode.
In view of this, the present application is specifically made.
Disclosure of Invention
The invention aims to provide a power battery pack assembly suitable for a new energy electric vehicle, the battery pack assembly can ensure that cold air can be conveyed into the whole box body and cooled internally by adopting a partition plate matched with an inner cavity of an induced draft fan as a conveying air duct, so that the relatively uniform heat dissipation effect of the whole storage battery pack is achieved, and meanwhile, the structure is low in implementation cost, easy to control and produce and small in occupied space.
The embodiment of the invention is realized by the following steps: a power battery pack assembly suitable for a new energy electric vehicle comprises: the storage battery pack comprises a box body, wherein a storage battery pack consisting of a plurality of storage batteries is arranged in the box body, the bottom of an inner cavity of the box body is provided with a mounting groove, and two ends of the mounting groove are provided with plug-in holes communicated with the outside of the box body; the partition board is detachably arranged in the mounting groove, the partition board divides an inner cavity of the box body into a first containing space and a second containing space, the storage batteries are respectively arranged in the first containing space and the second containing space, inserting parts are formed at two ends of the partition board, the inserting parts at two sides respectively penetrate through the inserting holes at two sides, the penetrating end of each inserting part is connected with an induced draft table, the induced draft tables and the partition board are respectively provided with an inner cavity, the inner cavities of the induced draft tables at two sides and the inner cavity of the partition board form a conveying air duct, each induced draft table is provided with an air port communicated with the inner cavity of the induced draft table, and a plurality of air holes communicated with the inner cavities of the induced draft tables are respectively processed on the side walls of the partition board, which are close to the first containing space; and the box cover is detachably arranged on the box body, and a plurality of pressure relief vent holes communicated with the inner cavity of the box body are processed on the box cover.
Furthermore, a sealing ring is arranged between the insertion hole and the insertion part, and filter screens are arranged at the air opening and the pressure relief exhaust hole.
Furthermore, each air hole is connected with an air inducing support rod which is horizontally arranged, each air inducing support rod is provided with an inner cavity communicated with the air hole, a plurality of air distributing holes communicated with the inner cavities of the air inducing support rods are processed on the air inducing support rods, all the air inducing support rods are parallel to each other, and the space between the adjacent air inducing support rods on the single side of the partition plate is used for installing the storage battery.
Furthermore, a plurality of air distributing holes on the induced draft supporting rod are arranged on the upper surface of the induced draft supporting rod in parallel.
Furthermore, a plurality of air distributing holes on the air inducing support rod are divided into two groups, and the two groups of air distributing holes are respectively positioned at two ends of the air inducing support rod.
Furthermore, the left side and the right side of the induced draft supporting rod are both provided with embedded clamping strips, the length direction of the embedded clamping strips is consistent with the length direction of the induced draft supporting rod, and a telescopic spring is arranged between the embedded clamping strips and the induced draft supporting rod, so that the embedded clamping strips can move towards the direction close to or far away from the induced draft supporting rod; the casing bottom both sides of battery all set up the inlay draw-in groove that can supply to inlay the embedding of card strip, and the section shape of inlaying the card strip is trapezoidal, and this trapezoidal last base is located its one side of keeping away from induced air branch.
Further, inlay the sectional shape of draw-in groove and inlay the sectional shape adaptation of card strip, and it has the heavy groove of second grade to process on the groove diapire of draw-in groove, and the heavy groove of second grade's length is unanimous with the length of inlaying the card strip, and the heavy groove of second grade can supply to inlay the lateral wall embedding that the card strip kept away from induced air branch.
Furthermore, the left side and the right side of one end, far away from the partition plate, of each induced air supporting rod are provided with clamping parts, clamping holes capable of being clamped with the clamping parts are machined in the side walls of the grooves for embedding the clamping grooves, trigger holes communicated with the inner cavities of the induced air supporting rods are machined in the upper surfaces of the induced air supporting rods, the trigger ends of the two clamping parts of each induced air supporting rod are located under the trigger holes of the induced air supporting rods, a plurality of trigger rods with the same number as the trigger holes are arranged on the box cover, a single trigger rod is matched with the single trigger hole for use, one end of each trigger rod is detachably connected with the inner surface of the box cover, the other end of each trigger rod is used for penetrating through the trigger hole matched with the other trigger rod and contacting with the trigger end of each clamping part, the clamping parts move towards one side far away from the induced air supporting rods, and.
Furthermore, the trigger rod is a hollow rod, the number of the pressure relief vent holes is equal to that of the trigger rods, a single pressure relief vent hole is matched with a single trigger rod for use, and an inner hole of each trigger rod is communicated with the pressure relief vent holes matched with the trigger rod for use.
Furthermore, the clamping piece comprises a triggering block, a connecting rod, a connecting block and a clamping block, the triggering block is positioned in the inner cavity of the induced air supporting rod, one end of the connecting rod is fixedly connected with the triggering block, the other end of the connecting rod penetrates through the side wall of the induced air supporting rod and is fixedly connected with the connecting block, the clamping block is fixedly connected with the connecting block and can be mutually clamped with the clamping hole, and a return spring sleeved on the connecting rod is fixed between the triggering block and the side wall of the induced air supporting rod; the lateral wall that the trigger block kept away from even piece is the inclined plane, and the upside of this inclined plane is towards the one side slope that is close to even piece, and the lower extreme shaping of trigger bar has can form the awl end that triggers with the inclined plane.
The embodiment of the invention has the beneficial effects that:
according to the power battery pack assembly provided by the embodiment of the invention, the partition plate is arranged in the box body and is provided with the inserting part connected with the outside, the inserting part is connected with the air inducing table, the conveying channel entering the inner cavity of the box body from the outside can be formed, cold air can enter the inner cavity of the partition plate in a guiding or guiding manner, enters the inner cavity of the box body through the air hole for heat exchange, and then flows back into the partition plate through the air hole to be guided out of the box body after the heat exchange is finished, the whole process can ensure that the cold air can fully enter the inner cavity of the box body and exchange heat, the phenomenon of local overheating is favorably avoided, meanwhile, the whole structure is simple and ingenious in design, the cost is not high, the installation space of a storage battery cannot be excessively occupied, and the whole battery pack can be favorably lightened and miniaturized.
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 battery pack assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of the connection of the box and the box cover according to the embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an installation of a battery pack according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a box according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a storage battery provided in an embodiment of the present invention;
FIG. 6 is a schematic view of an assembly of a baffle and an induced draft strut according to an embodiment of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at A;
FIG. 8 is a schematic view of the internal structure of a separator according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an induced draft platform according to an embodiment of the present invention;
fig. 10 is a schematic structural view of an induced draft strut according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a locking member according to an embodiment of the present invention.
Icon: 1-box cover; 2-a box body; 3-a storage battery; 4-a separator plate assembly; 41-a separator; 42-an induced draft stage; 43-induced draft struts; 101-pressure relief vent hole; 102-a trigger lever; 103-cone end; 104-inner hole; 201-mounting grooves; 202-screw holes; 203-plug holes; 301-a housing; 302-a damascene card slot; 303-secondary precipitation tank; 304-a capture aperture; 411-a plug-in part; 412-lumen; 413-wind hole; 421-tuyere; 422-lumen; 423-connecting plate; 431-a rod body; 432-gas distribution holes; 433-embedding a clamping strip; 434-a limiting groove; 435-clamping element; 436-trigger holes; 437-expansion spring; 4351-block; 4352-bit block; 4353-trigger block; 4354-return spring; 4355-connecting rod.
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 "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but 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; 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.
Examples
Referring to fig. 1 to 4, the power battery pack assembly suitable for the new energy electric vehicle provided in this embodiment includes a case 2 and a case cover 1 detachably disposed on the case 2, where the detachable manner may be a screw connection, a riveting, a fastening or an inserting connection, and here, the screw connection is adopted, and the edge of the upper port of the case 2 is stably connected with the edge of the case cover 1 through a plurality of bolts. The storage battery pack is characterized in that a storage battery pack consisting of a plurality of storage batteries 3 is arranged in the box body 2, in order to classify all the storage batteries 3 in a certain arrangement mode so as to be convenient for subsequent sufficient cooling or cooling, a partition plate assembly 4 is arranged in the box body 2, and the partition plate assembly 4 can be used as a platform for separating the storage batteries on one hand and can be used as a conveying channel of a refrigerant on the other hand, so that the input of the refrigerant (cold air) has guidance.
Referring to fig. 4 and 6, the partition plate assembly 4 includes a partition plate 41 and a plurality of wind-inducing support rods 43, and an installation groove 201 is formed at the bottom of the inner cavity of the box body 2, and the installation groove 201 is preferably located at a center line of a bottom plate of the box body 2, so that the box body 2 has high symmetry. The two ends of the mounting groove 201 are provided with inserting holes 203 communicated with the outside of the box body 2, the first function of the inserting holes 203 is to provide positioning mounting, and the second function is to be used as a medium communicated with the outside of the box body 2. The partition plate 41 is detachably mounted in the mounting groove 201, and the detachable manner can be screw joint, riveting, plugging or buckling. The bolt connection is adopted, that is, a plurality of screw holes 202 are processed on the bottom wall of the mounting groove 201, the side wall of one side of the partition plate 41 is clamped into the mounting groove 201, threaded blind holes corresponding to all the screw holes 202 are formed in the side wall, and one threaded hole 202 and one threaded blind hole are correspondingly connected by bolts, so that the aim of detachably connecting the partition plate 41 and the mounting groove 021 is fulfilled.
The inner chamber that baffle 41 separated box 2 holds the space for first space and the second holds the space, shows promptly that first space and the second that holds the space and be located the left and right sides of baffle 41 respectively, and a plurality of battery 3 divides to locate first space and the second that holds the space, and all battery 3 divide into two sets ofly promptly, and every group battery 3 lies in first space and the second that holds the space respectively, and as preferred, in every group battery 3 be single arrange can, whole storage battery divide into two. If the number of the storage batteries 3 is large, the storage batteries need to be divided into a plurality of rows, the problem can be solved by increasing the number of the separator assemblies 4, and a single separator assembly 4 is matched with the storage batteries 3 on two sides of the separator assembly for use. Referring to fig. 8, the two ends of the partition plate 41 are formed with the insertion parts 411, the insertion parts 411 at the two sides and the whole partition plate 41 are combined to form a substantially U-shaped or groove-shaped structure, the insertion parts 411 at the two sides respectively penetrate the insertion holes 203 at the two sides, and a sealing ring is disposed between the insertion holes 203 and the insertion parts 411, so as to ensure better sealing performance.
Referring to fig. 6 and 9, the penetrating end of each inserting portion 411, that is, the end extending out of the box body 2, is connected to an air inducing table 42, preferably in a screw connection manner, and specifically, two connecting plates 423 are fixed to the air inducing table 42, and the two connecting plates 423 are respectively used for clamping two sides of the penetrating end of the inserting portion 411 and can be fixed by bolts. The induced draft tables 42 and the partition plate 41 are provided with inner cavities, the inner cavities 422 of the induced draft tables 42 on two sides and the inner cavity 412 of the partition plate 41 are communicated with each other to form a conveying air channel, each induced draft table 42 is provided with an air port 421 communicated with the inner cavity 422 of the induced draft table, so that two ends of the whole conveying air channel are communicated with the outside, the middle part of the whole conveying air channel is positioned in the box body 2, and the basic condition that the refrigerant is introduced into the box body 2 from the outside is provided. The baffle 41 is close to all processes the wind hole 413 of a plurality of rather than the inner chamber intercommunication on the first lateral wall that holds the space and the second holds the space, through setting up wind hole 413, can make the interior refrigerant of delivery duct enter into to 2 inner chambers of box through wind hole 413 to reach the purpose that makes outside cold air fully enter into to 2 inner chambers of box, of course, cold air carries out the heat exchange back equally can flow back to the inner chamber 422 of baffle 31 through wind hole 413, carries to the external world again. Of course, the delivery flow rate and the delivery pressure of the refrigerant can be controlled by external input, but in order to enable the whole box body 2 to have a certain internal pressure relief function, a plurality of pressure relief vent holes 101 communicated with the inner cavity of the box body 2 are processed on the box cover 1, the number and the caliber of the pressure relief vent holes 101 can be determined according to the volume of the inner cavity of the box body 2, and only a certain internal pressure relief function needs to be achieved. In addition, the air port 421 and the pressure relief vent 101 are provided with filter screens, so that the cleanliness of input and output air can be ensured. Through baffle plate assembly 4's design, not only guaranteed that cold air can have guide nature or guide nature ground to enter into the inner chamber 412 of baffle 41, enter into 2 inner chambers of box through wind hole 413 and carry out the heat exchange, make battery 3 cool off in time, the back rethread wind hole 413 backward flow to inner chamber 412 and derive the box 2 outside after the heat exchange finishes, whole process can guarantee that cold air can fully enter into 2 inner chambers of box and carry out the heat exchange, be favorable to avoiding appearing local overheated phenomenon, whole baffle plate assembly 4 simple structure is ingenious simultaneously, not only the cost is not high, and can not occupy the space in the box 2 too much, the installation space of battery promptly, be favorable to whole battery package to realize lightweight and small-size.
In order to further achieve the purpose of sufficient and effective cooling of each single storage battery 3, please refer to fig. 6 and 10, the number of the induced air struts 43 is equal to the number of the air holes 413, each air hole 413 is connected with a horizontally arranged induced air strut 43, and the horizontally arranged induced air struts 43 can facilitate the orderly installation of the subsequent storage batteries 3. Taking a single induced air strut 43 as an example for explanation, the induced air strut 43 has an inner cavity communicated with the air hole 413, and a plurality of air distribution holes 432 communicated with the inner cavity are processed on the rod body 431 of the induced air strut 43, all the induced air struts 43 are parallel to each other, preferably, each induced air strut 43 is perpendicular to the partition plate 41, the space between the adjacent induced air struts 43 on one side of the partition plate 41 is used for installing the storage battery 3, namely, the space with a rectangular section formed between the adjacent induced air struts 43 is used for positioning and installing the single storage battery 3 for the plurality of induced air struts 43 on the left side of the partition plate 41, the same is true for the plurality of induced air struts 43 on the right side of the partition plate 41, which is equal to that two rows of storage battery 3 subgroups are respectively positioned on two sides of the partition plate 41, the storage batteries 3 in the single row of storage battery 3 are arranged at intervals with the induced air struts 43, so that the cold air coming out from the air distribution holes 432 acts on each storage battery, thereby achieving relatively sufficient cooling and heat exchange effects. A plurality of gas distribution holes 432 on each rod body 431 are arranged on the upper surface of the rod body 431 in parallel, so that cold air can be directly upwards output after entering the inner cavity of the rod body 431, and the cold air can be rapidly filled into the inner cavity of the whole box body 2. If the plurality of air distributing holes 432 on each rod body 431 are uniformly arranged, the air outlet amount of the air distributing hole 432 closer to the partition plate 41 is larger, and the air outlet amount of the air distributing hole 432 farther from the partition plate 41 is larger, so that the difference of the cooling effect of the part of the storage battery 3 close to the partition plate 41 and the cooling effect of the part of the storage battery 3 far from the partition plate 41 is larger, in order to reduce the difference, the plurality of air distributing holes 432 on the air inducing support rod 43 are divided into two groups, the two groups of air distributing holes 432 are respectively positioned at the two ends of the air inducing support rod 43, namely the rod body 431, so that the discharge amount of the excessive cold air from the air distributing hole 432 at the side close to the partition plate 41 is limited, and the other.
The induced air supporting rod 43 in this embodiment has an effect of guiding cold air, and also has an effect of facilitating quick positioning and dismounting of the storage battery, please refer to fig. 6, 7 and 10, the left and right sides of the induced air supporting rod 43 are both provided with the inlaid clamping strips 433, the length direction of the inlaid clamping strips 433 is consistent with the length direction of the induced air supporting rod 43, and a telescopic spring 437 is arranged between the inlaid clamping strips 433 and the induced air supporting rod, so that the inlaid clamping strips 433 can move towards the direction close to or far away from the induced air supporting rod 43, and the inlaid clamping strips 433 have certain flexibility by the way of adding the telescopic spring 437, and can have the basic characteristic of buckle connection. Of course, the width of the whole induced air supporting rod 43 is smaller than the spacing distance between the two batteries 3, the minimum distance between the two inlaid clamping strips 433 on each induced air supporting rod 43 is smaller than or equal to the spacing distance between the two batteries 3, the maximum distance between the two inlaid clamping strips 433 is greater than the spacing distance between the two batteries 3, in order to meet the requirement, the spacing groove 434 can be formed in the limiting groove, the limiting groove 434 is formed in each of the left side wall and the right side wall of the rod body 431, the length of the limiting groove 434 is the same as that of the inlaid clamping strips 433, a single inlaid clamping strip 433 can be slidably clamped and embedded in the limiting groove 434, the expansion spring 437 is arranged between the bottom wall of the limiting groove 434 and the side wall of the inlaid clamping strip 433, so that the part where the clamping strips 433 are inlaid can be retracted into the limiting groove 434, and the requirement is. Referring to fig. 5, both sides of the bottom of the casing 301 of the storage battery 3 are provided with an embedding clamping groove 302 for embedding an embedding clamping strip 433, the embedding clamping groove 302 and the embedding clamping strip 433 are parallel to each other, and both ends of the embedding clamping groove 302 respectively penetrate through the side wall of the casing 301, the storage battery 3 is pressed between the two air-inducing support rods 43, the embedding clamping strips 433 of the two air-inducing support rods 43 close to each other are squeezed by the bottom of the storage battery 3 and respectively retracted into respective limiting grooves 434, and when the embedding clamping groove 302 of the casing 301 is aligned with the embedding clamping strip 433, the embedding clamping strips 433 are popped out and embedded in the corresponding embedding clamping grooves 302, so that the storage battery 3 is fixed.
In order to increase the smoothness of the storage battery 3 clamped between two adjacent induced air supporting rods 43, the section of the inlaid clamp strip 433 is trapezoidal, the upper bottom edge of the trapezoid is located on one side of the trapezoid, which is far away from the induced air supporting rods 43, that is, the side of the inlaid clamp strip 433, which is far away from the matched limiting groove 434, is a narrow end, and the storage battery 3 can be clamped or taken out more smoothly through the engagement of the inclined surface. When battery 3 tentatively blocks to between two adjacent induced air branch 43, have lateral sliding's space, in order to further fix a position this battery 3, improve the stability of its installation, inlay the section shape of draw-in groove 302 and inlay the section shape adaptation of card strip 433, the section shape of inlaying draw-in groove 302 promptly also is trapezoidal, can just hold and inlay draw-in groove 302 directly and stably. Processing has the heavy groove 303 of second grade on the groove diapire of inlaying draw-in groove 302, and the length of the heavy groove 303 of this second grade is unanimous with the length of inlaying card strip 433, and the heavy groove 303 of second grade can supply to inlay the lateral wall embedding that card strip 433 kept away from induced draft branch 43, go into to inlaying draw-in groove 302 when battery 3 is preliminary card, lateral sliding battery 3 again for inlay card strip 433 can with the heavy groove 303 mutual stabilization joint of second grade, thereby reach the purpose that all batteries 3 can both pinpoint and install.
Because an electric automobile relates to a severe driving environment, it is necessary to ensure that the installation of the storage battery 3 has strong stability, but the storage battery 3 is too stable to cause troublesome disassembly, in order to achieve the purpose of facilitating disassembly and increasing the installation stability of the storage battery 3, a single induced air strut 43 is taken as an example for explanation, please refer to fig. 10 and 11, the left and right sides of one end of the induced air strut 43 away from the partition plate 41 are both provided with clamping pieces 435, the side wall of the slot of the embedded slot 302 is processed with clamping holes 304 capable of being mutually clamped with the clamping pieces 435, the upper surface of the induced air strut 43 is processed with trigger holes 436 communicated with the inner cavity thereof, the trigger ends of the two clamping pieces 435 of each induced air strut 43 are both located right below the trigger hole 436 of the induced air strut 43, namely, in the inner cavity of the rod body 431 right below the trigger holes 436, the box cover 1 is provided with a plurality of trigger rods 102 equal in number to the trigger holes 436, a single trigger bar 102 is used in conjunction with a single trigger hole 436, meaning that one trigger bar 102 is used to interact with one trigger hole 436. One end of the trigger bar 102 is detachably connected with the inner surface of the case cover 1, and the detachable connection mode is preferably a screw joint. The other end of the trigger rod 102 is used to pass through the trigger hole 436 cooperating with the trigger rod and contact the trigger end of the detent 435, and the detent 435 is moved to the side away from the induced air strut 43, so as to be engaged with the detent hole 304 on the corresponding side. Show that the one end that screens piece 435 and induced air branch 43 are connected promptly is the trigger end, can produce the displacement after the effect of trigger lever 102, and the one end of keeping away from and being located induced air branch 43 outside has joint portion, and this joint portion can with the mutual joint of screens hole 304, and screens piece 435 have certain reset function can, conveniently dismantle battery 3 after reseing.
In this embodiment, taking a single-component blocking element 435 as an example for explanation, the blocking element 435 includes a trigger block 4353, a connecting rod 4355, a connecting block 4351 and a blocking block 4352, the trigger block 4353 is located in an inner cavity of the induced air strut 43, one end of the connecting rod 4355 is fixedly connected to the trigger block 4353, the other end of the connecting rod 4355 passes through a side wall of the induced air strut 43 and is fixedly connected to the connecting block 4351, the blocking block 4352 is fixedly connected to a lower surface of the connecting block 4351, the blocking block 4352 serving as a blocking portion of the blocking element 435 can be mutually blocked and connected to the blocking hole 304, a return spring 4354 sleeved on the connecting rod 4355 is fixed between the trigger block 4353 and the side wall of the induced air strut 43, so that the trigger block 4353 has a certain reset function after moving, when two trigger blocks 4353 in two sets of blocking elements 435 in the induced air strut 43 move to sides far away from each other, that two blocking blocks 4352 are mutually spread and can move to the blocking holes 304 of respective corresponding sides, thus forming a mutually stable snap-fit. In order to enable the two trigger blocks 4353 to be triggered by the trigger rod 102 in a separated manner, a single blocking element 435 is taken as an example, a side wall of the trigger block 4353 away from the link block 4351 is an inclined surface, an upper side of the inclined surface is inclined toward a side close to the link block 4351, and a tapered end 103 capable of triggering with the inclined surface is formed at a lower end of the trigger rod 102. So that an opening is formed between the two inclined surfaces of the two trigger blocks 4353 in the two locking parts 435, and the opening can be acted on and separated by the tapered end 103 of the trigger lever 102, and finally the locking parts 435 and the locking holes 304 are locked with each other.
After all the storage batteries 3 are installed, the box cover 1 is closed, and all the trigger rods 102 can trigger the clamping pieces 435 through the corresponding trigger holes 406, so that the clamping blocks 4352 can be clamped into the corresponding clamping holes 304, and the storage batteries 3 are firmly fixed in the box body 2. Considering that the position of the pressure relief vent 101 has a great influence on the length of time that the cool air stays in the cabinet 2, in order to ensure that the cold air can be sufficiently retained in the box body 2 for heat exchange, the trigger lever 102 is a hollow lever, the number of the pressure relief vent holes 101 is equal to that of the trigger rods 102, and a single pressure relief vent hole 101 is matched with a single trigger rod 102, that is, one pressure relief vent hole 101 is correspondingly matched and connected with or used by one trigger rod 102, the inner hole 104 of each trigger rod 102 is communicated with the pressure relief vent hole 101 matched and used with the same, therefore, the cold air can only be discharged from the air distributing hole 432 and then flows back to the rod body 431 again to be discharged from the inner hole 104, thereby not only maintaining the pressure relief channel, but also further staying the cold air in the box body 2 for heat exchange, of course, the refrigerant control mainly depends on an external cooling system, and the pressure relief vent hole 101 has more functions to provide certain safety guarantee.
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. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and procedures are omitted to avoid unnecessarily limiting the invention.
Claims (10)
1. The utility model provides a be suitable for power battery package assembly of new forms of energy electric motor car which characterized in that includes:
the storage battery pack comprises a box body, wherein a storage battery pack consisting of a plurality of storage batteries is arranged in the box body, the bottom of an inner cavity of the box body is provided with a mounting groove, and two ends of the mounting groove are provided with plug-in holes communicated with the outside of the box body;
the partition plate is detachably arranged in the mounting groove, the partition plate divides an inner cavity of the box body into a first containing space and a second containing space, the storage batteries are respectively arranged in the first containing space and the second containing space, insertion parts are formed at two ends of the partition plate, the insertion parts at two sides respectively penetrate through the insertion holes at two sides, the penetrating end of each insertion part is connected with an air inducing table, the air inducing table and the partition plate are respectively provided with an inner cavity, the inner cavities of the air inducing tables at two sides and the inner cavity of the partition plate form a conveying air duct, each air inducing table is provided with an air port communicated with the inner cavity of the air inducing table, and the side walls of the partition plate, close to the first containing space and the second containing space, are respectively provided with a plurality of air holes communicated with the inner cavities; and
the box cover is detachably arranged on the box body, and a plurality of pressure relief vent holes communicated with the inner cavity of the box body are formed in the box cover.
2. The power battery pack assembly applicable to the new energy electric vehicle as claimed in claim 1, wherein a sealing ring is arranged between the insertion hole and the insertion portion, and filter screens are arranged at the air vent and the pressure relief exhaust hole.
3. The power battery pack assembly applicable to the new energy electric vehicle as claimed in claim 1, wherein each air hole is connected with an air-inducing support rod which is horizontally arranged, the air-inducing support rod is provided with an inner cavity communicated with the air hole, a plurality of air distribution holes communicated with the inner cavity are processed on the air-inducing support rod, all the air-inducing support rods are parallel to each other, and the space between the adjacent air-inducing support rods on one side of the partition plate is used for installing the storage battery.
4. The power battery pack assembly suitable for the new energy electric vehicle as claimed in claim 3, wherein the plurality of air distributing holes on the air inducing support rod are arranged on the upper surface of the air inducing support rod in parallel.
5. The power battery pack assembly suitable for the new energy electric vehicle as claimed in claim 4, wherein the plurality of air distribution holes on the air inducing support rod are divided into two groups, and the two groups of air distribution holes are respectively located at two ends of the air inducing support rod.
6. The power battery pack assembly suitable for the new energy electric vehicle as claimed in claim 3, wherein the left and right sides of the induced draft strut are provided with inlaid clamping strips, the length direction of the inlaid clamping strips is consistent with the length direction of the induced draft strut, and a telescopic spring is arranged between the inlaid clamping strips and the induced draft strut, so that the inlaid clamping strips can move towards the direction close to or away from the induced draft strut; the casing bottom both sides of battery all are seted up and are supplied inlay the card strip embedding card groove of embedding, the section shape of inlaying the card strip is trapezoidal, and this trapezoidal last base is located its one side of keeping away from induced air branch.
7. The power battery pack assembly suitable for the new energy electric vehicle as claimed in claim 6, wherein the section shape of the embedded clamping groove is adapted to the section shape of the embedded clamping strip, a second-level sinking groove is formed in the bottom wall of the embedded clamping groove, the length of the second-level sinking groove is consistent with that of the embedded clamping strip, and the second-level sinking groove can be used for embedding the embedded clamping strip into the side wall far away from the induced draft support rod.
8. The power battery pack assembly applicable to the new energy electric vehicle as claimed in claim 6, wherein the air inducing support rod is provided with a blocking member at both left and right sides of one end far away from the partition plate, the side wall of the slot embedded with the blocking slot is provided with blocking holes capable of being mutually blocked with the blocking member, the upper surface of the air inducing support rod is provided with trigger holes communicated with the inner cavity of the air inducing support rod, the trigger ends of the two blocking members of each air inducing support rod are both positioned under the trigger holes of the air inducing support rod, the case cover is provided with a plurality of trigger rods with the same number as the number of the trigger holes, a single trigger rod is matched with a single trigger hole for use, one end of the trigger rod is detachably connected with the inner surface of the case cover, and the other end of the trigger rod is used for penetrating through the trigger hole matched with the trigger rod and contacting with the trigger end of the blocking member, so as to move the blocking member towards one side far away from the air inducing support, thereby being mutually clamped with the clamping holes on the corresponding sides.
9. The power battery pack assembly suitable for the new energy electric vehicle as claimed in claim 8, wherein the trigger rod is a hollow rod, the number of the pressure relief vent holes is equal to the number of the trigger rods, a single pressure relief vent hole is matched with a single trigger rod, and an inner hole of each trigger rod is communicated with the pressure relief vent hole matched with the trigger rod.
10. The power battery pack assembly suitable for the new energy electric vehicle as claimed in claim 8, wherein the clamping member comprises a trigger block, a connecting rod, a connecting block and a clamping block, the trigger block is located in the inner cavity of the induced draft support rod, one end of the connecting rod is fixedly connected with the trigger block, the other end of the connecting rod penetrates through the side wall of the induced draft support rod and is fixedly connected with the connecting block, the clamping block is fixedly connected with the connecting block and can be clamped with the clamping hole, and a return spring sleeved on the connecting rod is fixed between the trigger block and the side wall of the induced draft support rod; the side wall of the trigger block, which is far away from the connecting block, is an inclined surface, the upper side of the inclined surface inclines towards the side close to the connecting block, and a conical end which can be triggered by the inclined surface is formed at the lower end of the trigger rod.
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| CN202011375521.7A CN112635879B (en) | 2020-11-30 | 2020-11-30 | Be suitable for power battery package assembly of new forms of energy electric motor car |
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| CN202011375521.7A CN112635879B (en) | 2020-11-30 | 2020-11-30 | Be suitable for power battery package assembly of new forms of energy electric motor car |
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| CN112635879B (en) | 2022-11-22 |
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