CN112928372A - Battery module and battery package - Google Patents
Battery module and battery package Download PDFInfo
- Publication number
- CN112928372A CN112928372A CN201911149852.6A CN201911149852A CN112928372A CN 112928372 A CN112928372 A CN 112928372A CN 201911149852 A CN201911149852 A CN 201911149852A CN 112928372 A CN112928372 A CN 112928372A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery module
- sleeve
- screw
- plate
- 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
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 230000013011 mating Effects 0.000 claims 1
- 230000003449 preventive effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 15
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000004880 explosion Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Battery Mounting, Suspending (AREA)
Abstract
The invention is suitable for the technical field of new energy battery packs, and provides a battery module and a battery pack, wherein the battery module comprises a battery body, a battery shell and an insulation protection plate, and the battery body comprises a battery cell and a lug electrically connected with the battery cell; the battery shell comprises an end plate, an insulation protection plate is positioned between the end plate and the battery body, and insulation is formed between the end plate and the lug; the end of the end plate is formed with a sleeve for receiving the screw, and a retaining portion is provided in the extending direction of the sleeve, and the head of the screw is defined between the sleeve and the retaining portion. The easy utmost point ear of screw is connected with the installation face electricity in the installation, leads to battery module to export a large amount of electric currents in the short time, influences the life of battery, adopts the battery module that this embodiment provided, can avoid forming the electricity between battery module and the installation face and connect, has avoided battery module short circuit in the installation, avoids causing harm to it and influences its life, has still got rid of the risk that battery module generates heat or even explodes simultaneously.
Description
Technical Field
The invention relates to the technical field of new energy battery packs, in particular to a battery module and a battery pack.
Background
The practical application of new forms of energy technique needs the support of battery package, and in domestic, current electric automobile all adopts VDA (Verband der auto bindarie, automobile industry society) battery as the battery module of standard, and the car battery package is formed through connecting the combination by a plurality of battery modules, and between a plurality of battery modules, except that need adopt the copper bar to carry out the built-up connection, still need utilize the screw with each battery module fixed mounting on a support piece in order to form the battery package.
Among the traditional technical scheme, install battery module in if battery case or support when constituteing, the condition of battery module emergence short circuit often takes place, causes the harm to battery module and influences its life, still has battery module to generate heat or even the risk of explosion.
Disclosure of Invention
The invention aims to provide a battery module, and aims to solve the technical problem that the traditional battery module is easy to cause short circuit in the installation process.
The invention is realized in such a way that the battery module comprises a battery body and a battery shell for accommodating the battery body, wherein the battery shell comprises an end plate, and a sleeve for sleeving a screw is formed at the end part of the end plate; a retaining portion is provided in the extending direction of the sleeve, and the head of the screw is defined between the sleeve and the retaining portion.
As a specific scheme of this embodiment, a battery module includes a battery body, a battery case, and an insulation protection plate, where the battery case contains the battery body, and the battery body includes a battery core and a tab electrically connected to the battery core; the insulation protection plate is positioned between the end plate and the battery body, and insulation is formed between the end plate and the lug; the battery module is cuboid, and end plate and insulation protection board set up on the terminal surface that corresponds at the both ends of battery module longest side, and two sleeves set up along the shorter two limits of terminal surface respectively.
In an embodiment of the invention, the anti-slip part is provided with a loosening and tightening through hole, and the diameter of the loosening and tightening through hole is smaller than the diameter of the head of the screw.
In one embodiment of the invention, one side of the anti-falling part facing the sleeve is provided with a guide tube, and a space defined by the anti-falling part and the guide tube is used for accommodating the head of the screw.
As a specific aspect of this embodiment, the guide tubes are arranged in parallel along the direction in which the sleeve extends.
As a preferable aspect of this embodiment, the length of the sleeve is equal to the distance from the end of the guide tube to the bottom surface of the battery module.
In one embodiment of the invention, a spring is further arranged between the anti-falling part and the head of the screw, one end of the spring is connected with the anti-falling part, and the other end of the spring abuts against the screw.
In one embodiment of the present invention, the end plate includes a base plate portion and a boss portion, the boss portion having a sleeve formed thereon, the base plate portion and the sleeve being integrally formed.
In one embodiment of the invention, an insulating protection plate is arranged between the end plate and the battery body, and the anti-falling part is arranged on the insulating protection plate; or, the anti-drop part is arranged on the end plate; alternatively, the anti-drop part is arranged on the battery shell.
In one embodiment of the invention, the insulating protection plate is provided with a groove towards the end plate, and the groove and the raised part are in matching connection.
In one embodiment of the invention, the battery case includes a side plate or a U-shaped case; the end plate is connected with the side plate through a sleeve and a groove, and a space defined by the end plate and the side plate is used for accommodating the insulation protection plate and the battery body; or the end plate is connected with the U-shaped shell through a sleeve and a groove, and a space defined by the end plate and the U-shaped shell is used for accommodating the insulation protection plate and the battery body.
As a preferred scheme of this embodiment, the end plate is a metal end plate, the side plate is a metal side plate, and the end plate and the side plate are connected by welding; or the U-shaped shell is a metal U-shaped shell, and the end plate is connected with the U-shaped shell in a welding mode.
As a specific aspect of the present embodiment, the end plate is made of an aluminum alloy by a mold forming method, and the insulating protection plate is made of a plastic material by integral molding.
In one embodiment of the invention, a clamping structure is arranged on one side, opposite to the battery body, of the insulating protection plate, the clamping structure comprises a connecting sheet and a first boss, the connecting sheet is attached to the battery shell and extends towards the direction opposite to one side of the battery body, and the first boss is arranged at the tail end of the connecting sheet and is used for clamping the insulating protection plate on the battery shell.
Another object of the present invention is to provide a battery pack including the battery module as described above, the battery pack further includes a battery tray, the battery tray includes a bottom plate and support beams, the support beams are arranged in a staggered manner and connected to the bottom plate, and mounting holes are provided on the bottom plate and/or the support beams; the screw penetrates through the sleeve on the end plate and is connected to the mounting hole.
In one embodiment of the present invention, the bottom plate and/or the support beam is provided with a mounting hole, a second boss is disposed in the mounting hole, the second boss divides the mounting hole into a positioning portion and a connecting portion, the positioning portion is used for positioning the battery module, and the connecting portion is used for forming a fixed connection with a screw to mount the battery module on the battery tray.
As a preferred scheme of this embodiment, the mounting hole sets up in the both sides of a supporting beam, forms the guide rail between the supporting beam, only need to slide the battery module along the guide rail when installing the battery module can realize the location to the battery module.
The battery module provided by the invention at least has the following beneficial effects:
because the bracket, the battery shell or the mounting plate of the battery pack containing the battery module are usually made of metal materials and are a large capacitor, the error contact between a screw and a battery tab is caused due to the misoperation of an installer or the insufficient firmness of mounting and the like in the mounting process of the battery module, so that the battery module outputs a large amount of current in a short time, and the service life of the battery is further influenced; adopt the battery module that this embodiment provided, use the screw to inject between sleeve and anticreep portion through telescopic cooperation in anticreep portion and the end plate, prevent to form the electricity between battery module and the installation face and connect, avoided battery module short circuit in the installation, avoid causing its life of harm influence to it, still got rid of the battery module risk of generating heat or even explosion simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of an insulation shield according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic view of the battery module of fig. 1 mounted on a battery tray;
FIG. 5 is a partial enlarged view at B in FIG. 4;
fig. 6 is a partial sectional view of the insulation protection plate at the separation preventing part according to the embodiment of the present invention;
fig. 7 is a partial sectional view of a battery pack provided in an embodiment of the present invention at a mounting hole.
Reference numerals referred to in the above figures are detailed below:
1-a battery housing; 10-a tab; 11-side plate; 12-an end plate; 121-a sleeve; 13-a screw; 2-an insulating protective plate; 21-a retaining part; 211-a bungee through hole; 22-a guide tube; 23-a spring; 24-a clamping structure; 241-connecting pieces; 242 — a first boss; 25-a groove; 3-a battery tray; 30-mounting holes; 301-a second boss; 302-a positioning section; 303-a connecting portion; 31-a support beam; 32-bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "vertical", "horizontal", "outer", etc. indicate orientations or positions based on the positions shown in the drawings, and are for convenience of description only and should not be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a battery module, including a battery body, a battery case 1 and an insulating protection plate 2, where the battery body is accommodated in the battery case 1 and includes a battery core and a tab 10 electrically connected to the battery core; the battery case 1 includes an end plate 12, an insulating protection plate 2 is located between the end plate 12 and the battery body, and the insulating protection plate 2 forms insulation between the end plate 12 and the tab 10; a sleeve 121 for receiving a screw is formed at an end of the end plate 12, a retaining portion 21 is provided in an extending direction of the sleeve 121, and a head of the screw 13 is defined between the sleeve 121 and the retaining portion 21.
Specifically, the anti-slip portion 21 is made of an insulating material, and plays a role in insulation protection and the function of the limit screw 13. Preferably, an insulating protection plate 2 is provided between the end plate 12 and the battery body, and the anti-slip portion 21 may be provided on the insulating protection plate 2, and further, may be integrally formed; alternatively, the retaining portion is provided on the end plate 12 and connected to the sleeve 121 by a connecting plate, and further preferably may be integrally formed; alternatively, the retaining portion is provided on the battery case 1, and more preferably, may be integrally molded.
More specifically, a convex part is arranged on the surface of the end plate 12 facing the insulating protection plate 2, a sleeve 121 is formed on the convex part, a groove 25 is arranged on the surface of the insulating protection plate 2 facing the end plate 12, the groove 25 is connected with the convex part in a matching manner, the shape of the groove 25 corresponds to that of the sleeve 121, and the groove 25 and the sleeve 121 are tightly connected to improve the waterproof and dustproof performance of the battery module; the battery case 1 includes a side plate 11 or a U-shaped case; the end plate 12 is connected with the side plate 11 through the sleeve 121 and the groove 25, and a space defined by the end plate 12 and the side plate 11 is used for accommodating the insulating protection plate 2 and the battery body; or, the end plate passes through sleeve 121 and recess 25 with U type casing and is connected, and the space that end plate and U type casing limit is used for holding insulating protection board 2 and battery body, and the scheme that adopts U type casing can dismantle more swiftly or install battery module, makes things convenient for its reutilization.
When the battery module provided by the present embodiment is fixed on the mounting surface by the screws 13, the battery body is first mounted inside the battery case 1, the screws 13 are inserted into the sleeves 121, the end plates 12 are then connected to the two ends of the side plates 11, and finally the assembled battery module is fixed on the mounting surface by the screws 13 in the sleeves 121. In particular, the end plate 12 may be connected to the side plate 11 by a sleeve 121 portion thereof.
In the actual installation process of the battery module, the tab 10 of the battery module is often exposed, and the battery module is often installed by using the screw 13 made of metal, so that the head of the screw 13 is easily lapped on the tab 10 of the battery module, and the tail end of the screw 13 is easily connected to the installation surface. Because the support, battery case or the mounting panel of the battery package that contains battery module often are the metal material, and it is exactly a big electric capacity itself, and screw 13 is connected battery utmost point ear 10 rather than the electricity, can lead to battery module to export a large amount of electric currents in the short time, and then influences the life of battery. Consequently, adopt the battery module that this embodiment provided, can avoid forming the electricity between battery module and the installation face and connect, avoided battery module short circuit in the installation, avoid causing the harm to it and influence its life, still got rid of the risk that battery module generates heat or even explodes simultaneously.
Referring to fig. 1, 2, 5 and 6, in one embodiment of the present invention, the battery body further includes an insulating protection plate 2, the insulating protection plate 2 is disposed between the tab 10 and the end plate 12, and the insulating protection plate 2 is used to prevent the tab 10 and the end plate 12 from being electrically connected.
As a specific solution of this embodiment, in the process of installing the battery module, before the end plates 12 are connected to the two side plates 11, the insulating protection plates 2 should be installed at the two ends of the battery core, and in the solution of using a conductive material (such as an aluminum alloy) for the battery case 1, the insulating protection plates 2 are provided to further avoid the contact short circuit between the battery body and the conductive battery case.
As a specific aspect of the present embodiment, the battery module is in a rectangular parallelepiped shape, the end plates 12 and the insulating protection plates 2 are provided on end surfaces corresponding to both ends of the longest side of the battery module, and the two sleeves 121 are provided along both sides of the shorter end surface, respectively.
Referring to fig. 2, the end plate 12 includes a base plate portion and a protrusion portion, specifically, the protrusion portion is disposed on a surface facing the insulating protection plate 2, the protrusion portion is formed with a sleeve 121, the base plate portion and the sleeve 121 are integrally formed, as a preferred embodiment of the present embodiment, a groove 25 is disposed on a surface of the insulating protection plate 2 facing the end plate 12, and the groove 25 and the protrusion are connected in a matching manner. The sleeve 121 corresponds to the groove 25 of the insulation protection plate 2, such a structure can improve the connection firmness and the structural strength of the insulation protection plate 2, and the end plate 12 can be positioned by the groove 25 corresponding to the position of the sleeve 121, thereby simplifying the assembly work of the battery module.
Referring to fig. 2 and fig. 3, as a preferred embodiment of the present embodiment, a connecting piece 241 is disposed on a side of the insulating protection plate 2 facing the battery body, a clamping structure 24 is disposed at a terminal of the connecting piece 241, and the clamping structure 24 is used for clamping the insulating protection plate 2 to a side surface of the battery module. More specifically, the connecting sheet 241 extends toward the battery case of the battery module attached to the battery module facing to the direction of one side of the battery module, and the clamping structure 24 includes a first boss 242, and the first boss 242 extends toward the battery case facing to the battery module and is used for clamping the insulation protection plate 2 to the battery case of the battery module.
Referring to fig. 2 and 5, in an embodiment of the present invention, the insulating protection plate 2 is provided with a retaining portion 21, the retaining portion 21 is disposed in the extending direction of the sleeve 121, and the head of the screw 13 is limited between the sleeve 121 and the retaining portion 21, so as to limit the screw 13 and prevent the screw 13 from falling off. After end plate 12 is installed on curb plate 11 or U type casing, the anticreep board can play the effect that prevents that screw 13 from droing and falling out for screw 13 can not break away from sleeve 121, further prevents that screw 13 from electrically connecting battery module's utmost point ear 10 and installation face, has avoided the risk that short circuit and equipment that probably exist generate heat in the installation.
Referring to fig. 2 and 5, in an embodiment of the present invention, the anti-separation portion 21 is provided with a loosening through hole 211, and the loosening through hole 211 is used for a screw 13 to pass through to tighten or loosen the screw 13 in the sleeve 121, so as to facilitate the installation of the battery module according to the installation process described above. Preferably, the diameter of the through-hole 211 is smaller than the diameter of the head of the screw 13.
In an embodiment of the present invention, the end plate 12 is a metal end plate 12, the side plate or U-shaped case 11 is made of metal, and the end plate 12 and the side plate 11 or U-shaped case are connected by welding, so as to improve the overall structural strength of the battery module. More specifically, the end plate 12 is manufactured by a mold forming method, and the whole end plate 12 is directly formed in one step by casting, so that the manufacturing process flow of the end plate 12 can be simplified, and the production efficiency of the battery module can be improved. Alternatively, the insulating protection plate 2 is made of a plastic material by integral molding.
The advantageous effects of the connection structure provided by the present invention will be described below by means of several specific embodiments.
Example one
Referring to fig. 1, 2, 5 and 6, in the present embodiment, a battery module includes a battery body, a battery case 1 and an insulation protection plate 2. The battery body is arranged in the battery shell 1 and comprises a battery core and a lug 10 electrically connected with the battery core; the battery case 1 includes an end plate 12, and a sleeve 121 for receiving a screw 13 is formed at an end of the end plate 12 facing the insulating protection plate 2;
specifically, the end plate 12 includes a base plate portion and a boss portion, the boss portion is formed with a sleeve 121, and the base plate portion and the sleeve are integrally formed; the insulation protection plate 2 is positioned between the end plate 12 and the battery body, insulation is formed between the end plate 12 and the lug, a groove 25 is formed in the direction of the insulation protection plate facing the end plate 12, and the groove 25 is connected with the protruding part in a matching mode; the insulation protection plate 2 is formed with the anti-dropping portion 21 in the direction in which the sleeve 121 extends, that is, the sleeve 121 corresponds to the groove 25 of the insulation protection plate 2, such a structure can improve the connection firmness and the structural strength of the insulation protection plate 2, and the end plate 12 can be positioned through the groove 25 corresponding to the position of the sleeve 121, thereby simplifying the assembly work of the battery module.
The head of the screw 13 is defined between the sleeve 121 and the retaining portion 21. The battery shell 1 is often made of metal and is a large capacitor, and in the process of installing the battery module through the screw 13, sometimes the screw 13 is in direct error contact connection with the battery tab 10 and the battery shell 1 due to misoperation of an installer or insufficient firmness in installation, so that the battery module can output a large amount of current in a short time, and the service life of the battery is further influenced; adopt the battery module that this embodiment provided, cooperation through sleeve 121 in anti-disengaging portion 21 and the end plate 12 in the insulation protection board 2 uses and inject screw 13 between sleeve 121 and anti-disengaging portion 21, can avoid forming the electricity between battery module and the installation face and connect, avoided battery module short circuit in the installation, avoid causing its life of harm influence to it, still got rid of the battery module risk of generating heat or even explosion simultaneously.
The insulating protection plate 2 is provided with an anti-falling part 21 on the surface facing the end plate 12, the anti-falling part 21 is provided with an elastic through hole 211, the aperture of the elastic through hole 211 is smaller than the diameter of the head of the screw 13, the screw 13 is prevented from falling off, meanwhile, a screwdriver can conveniently penetrate through the elastic through hole 211 to disassemble and assemble the screw 13, and the screwdriver is convenient to disassemble and use for multiple times.
Example two
Referring to fig. 1, 2, 5 and 6, this embodiment is a more specific embodiment as an embodiment, in this embodiment, a guide tube 22 is disposed on a side of the anti-slip portion 21 facing the groove 25 and the sleeve 121, a space defined by the anti-slip portion 21 and the guide tube 22 is used for accommodating a head of the screw 13, the guide tube 22 is disposed along an extending direction of the sleeve 121, and the anti-slip portion 21 and the guide tube 22 may be integrally formed. Specifically, after the sleeve 121 is installed in place, the head of the screw 13 is located in the guide tube 22, so that the screw 13 can be prevented from separating from the connecting structure through the gap between the anti-falling part 21 and the sleeve 121 and falling into the equipment when falling off, and the equipment can be prevented from being locked or short-circuited by the fallen screw 13.
EXAMPLE III
Referring to fig. 1, 2, 5 and 6, this embodiment is a more specific implementation manner of the second embodiment, in this embodiment, the outer diameter of the guide tube 22 is greater than or equal to the inner diameter of the sleeve 121, and the inner diameter of the guide tube 22 is less than or equal to the outer diameter of the sleeve 121, so that the sleeve 121 will abut against the guide tube 22 after being installed in place, and the screw 13 cannot be removed without damaging the insulating protection plate 2, thereby preventing the screw 13 from falling into the device.
It should be understood that in the case where the cross section of the guide tube 22 and the sleeve 121 in the horizontal direction is not circular, it is only necessary that the guide tube 22 and the sleeve 121 can abut against each other. For example, when the sleeve 121 is a rectangular parallelepiped, it is only necessary that the outer diameter of the guide tube 22 is greater than or equal to the inner diameter of the sleeve 121, and the diagonal length of the cross section of the sleeve 121 is greater than the inner diameter of the guide tube 22, and at this time, the sleeve 121 will abut against the guide tube rather than extend into the guide tube after being installed in place.
More preferably, the length of the sleeve 121 is equal to the distance from the end of the guide tube 22 to the bottom surface of the battery module, so that in the process of installing the battery module, when the bottom end of the sleeve 121 is flush with the bottom surface of the battery module, the sleeve 121 abuts against the guide tube 22, and a worker can sequentially judge whether the sleeve 121 is installed in place, thereby simplifying the work flow of installing the battery module.
Example four
Referring to fig. 6, this embodiment is a more preferred embodiment as the second embodiment, in this embodiment, a spring 23 is disposed inside the guide tube 22 along the extending direction of the guide tube 22, one end of the spring 23 is connected to the anti-falling portion 21, and the other end of the spring 23 abuts against the screw 13, so that, in a situation where the bottom surface of the battery module is not disposed downward, if the module is required to be mounted on a vertical mounting surface, a pushing force can be provided to the screw 13 through the spring 23, and the screw 13 is further pushed into the mounting hole 30 when the module is placed in place, thereby facilitating the positioning of the battery module in the process of assembling the battery pack.
Referring to fig. 4 and 5, another object of the present invention is to provide a battery pack including the battery modules, the battery pack further including a battery tray 3, and a plurality of battery modules mounted on the battery tray 3.
In one embodiment of the present invention, the battery tray 3 includes a bottom plate 32 and support beams 31, and the support beams 31 are arranged alternately and connected to one side of the bottom plate 32, which can improve the structural strength of the battery tray 3.
Referring to fig. 4, 5 and 7, in an embodiment of the present invention, the bottom plate 32 and/or the support beam 31 are provided with a mounting hole 30, that is, the mounting surface may be a surface of the battery tray 3 or a surface of the support beam 31 of the battery tray 3, a second boss 30 is provided in the mounting hole 30 to form a stepped hole, the second boss 30 is located to divide the mounting hole 30 into a positioning portion 302 and a connecting portion 303, the positioning portion 302 is used for primarily positioning the battery pack, and the connecting portion 303 is used for connecting with the screw 13 to mount the battery pack on the battery tray 3. Specifically, in the process of mounting the battery module on the battery tray 3, the battery module may be slid around the mounting position, after one of the screws 13 falls into the mounting hole 30 and abuts against the second boss 30, the battery module is rotated until the remaining screws 13 all fall into the mounting hole 30, and then the position of the battery module is finely adjusted so that all the screws 13 correspond to the positions of the connection portions 303. Such structure has made things convenient for operating personnel to fix a position the battery module on battery tray 3, has improved the efficiency of battery package equipment work.
Referring to fig. 4 and 5, as a preferred embodiment of the present invention, the mounting holes 30 are disposed at two sides of the supporting beams 31, a guide rail is formed between the supporting beams 31, and when the battery module is mounted, the battery module can be positioned only by sliding the battery module along the guide rail.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A battery module, includes battery body and is used for holding the battery shell of battery body, its characterized in that:
the battery shell comprises an end plate, and a sleeve for sleeving a screw is formed at the end part of the end plate;
the sleeve is provided with a retaining portion in an extending direction thereof, and a head of the screw is defined between the sleeve and the retaining portion.
2. The battery module according to claim 1, wherein the retaining portion is provided with a through hole having a diameter smaller than a diameter of the head of the screw.
3. The battery module according to claim 2, wherein a guide tube is provided on a side of the retaining portion facing the sleeve, and a space defined by the retaining portion and the guide tube is used for accommodating a head of the screw.
4. The battery module according to claim 3, wherein a spring is further provided between the retaining portion and the head of the screw, one end of the spring is connected to the retaining portion, and the other end of the spring abuts against the screw.
5. The battery module according to any one of claims 1 to 4, wherein an insulating protection plate is provided between the end plate and the battery body, and the coming-off preventive portion is provided on the insulating protection plate; or, the anti-drop part is arranged on the end plate; or, the anti-drop part is arranged on the battery shell.
6. The battery module according to claim 5, wherein the end plate includes a base plate part and a boss part, the boss part having a sleeve formed thereon, the base plate part and the sleeve being integrally formed.
7. The battery module according to claim 6, wherein the insulating protection plate is provided with a groove in a direction toward the end plate, and the groove and the protrusion are coupled in a mating manner.
8. The battery module according to claim 5, wherein a clamping structure is disposed on a side of the insulation protection plate opposite to the battery body, the clamping structure comprises a connecting piece and a first boss, the connecting piece is attached to the battery shell and extends in a direction opposite to the side of the battery body, and the first boss is disposed at a tail end of the connecting piece and is used for clamping the insulation protection plate on the battery shell.
9. A battery pack, comprising a plurality of battery modules according to any one of claims 1 to 8, and a battery tray, wherein the battery tray comprises a bottom plate and support beams, the support beams are arranged in a staggered manner and connected to the bottom plate, and mounting holes are formed in the bottom plate and/or the support beams; the screw penetrates through the sleeve on the end plate and is connected to the mounting hole.
10. The battery pack according to claim 9, wherein a second boss is provided in the mounting hole, the second boss dividing the mounting hole into a positioning portion for positioning the battery module and a connecting portion for forming a fixed connection with the screw to mount the battery module to the battery tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149852.6A CN112928372A (en) | 2019-11-21 | 2019-11-21 | Battery module and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149852.6A CN112928372A (en) | 2019-11-21 | 2019-11-21 | Battery module and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112928372A true CN112928372A (en) | 2021-06-08 |
Family
ID=76160797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911149852.6A Pending CN112928372A (en) | 2019-11-21 | 2019-11-21 | Battery module and battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112928372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024148703A1 (en) * | 2023-01-13 | 2024-07-18 | 宁德时代新能源科技股份有限公司 | Protection mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616316U (en) * | 2012-05-25 | 2012-12-19 | 山东电力集团公司 | Flexible spacer sleeve, fixing structures utilizing flexible spacer sleeve and battery box utilizing fixing structures |
| CN204809294U (en) * | 2015-06-26 | 2015-11-25 | 宁德时代新能源科技有限公司 | Fastening structure is connected to battery module |
| CN205900653U (en) * | 2016-08-09 | 2017-01-18 | 宁德时代新能源科技股份有限公司 | Battery end plate subassembly and battery module |
| CN209329042U (en) * | 2019-01-09 | 2019-08-30 | 安徽明天氢能科技股份有限公司 | A kind of fuel cell pile end plate |
| CN110323372A (en) * | 2018-03-29 | 2019-10-11 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN210837868U (en) * | 2019-11-21 | 2020-06-23 | 恒大新能源技术(深圳)有限公司 | Battery module and battery package |
-
2019
- 2019-11-21 CN CN201911149852.6A patent/CN112928372A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616316U (en) * | 2012-05-25 | 2012-12-19 | 山东电力集团公司 | Flexible spacer sleeve, fixing structures utilizing flexible spacer sleeve and battery box utilizing fixing structures |
| CN204809294U (en) * | 2015-06-26 | 2015-11-25 | 宁德时代新能源科技有限公司 | Fastening structure is connected to battery module |
| CN205900653U (en) * | 2016-08-09 | 2017-01-18 | 宁德时代新能源科技股份有限公司 | Battery end plate subassembly and battery module |
| CN110323372A (en) * | 2018-03-29 | 2019-10-11 | 宁德时代新能源科技股份有限公司 | Composite end plate and battery module |
| CN209329042U (en) * | 2019-01-09 | 2019-08-30 | 安徽明天氢能科技股份有限公司 | A kind of fuel cell pile end plate |
| CN210837868U (en) * | 2019-11-21 | 2020-06-23 | 恒大新能源技术(深圳)有限公司 | Battery module and battery package |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024148703A1 (en) * | 2023-01-13 | 2024-07-18 | 宁德时代新能源科技股份有限公司 | Protection mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5538629B2 (en) | Voltage detection assembly and battery module including the same | |
| US7663466B1 (en) | Corner-mounted battery fuse | |
| JP5295183B2 (en) | Large-capacity battery pack and large-capacity battery pack assembly | |
| CN115498345B (en) | Wire harness separator, battery pack and automobile | |
| CN210837868U (en) | Battery module and battery package | |
| CN114843712A (en) | Battery module and battery pack | |
| CN112928372A (en) | Battery module and battery package | |
| CN217589065U (en) | Battery pack circuit breaking unit and battery pack | |
| US6551141B2 (en) | Fuse box | |
| CN214227075U (en) | Trade battery package mounting structure convenient to stable installation | |
| CN219759839U (en) | Battery module | |
| CN219643022U (en) | Battery module, battery pack and vehicle | |
| CN215644876U (en) | Battery module and battery pack | |
| CN108631096B (en) | Floating pair plug-in for battery pack | |
| CN215911502U (en) | Battery module and battery module | |
| JP2008204981A (en) | Capacitor unit | |
| CN218867266U (en) | Battery module | |
| CN216213963U (en) | Terminal switching structure and battery pack | |
| CN219917376U (en) | Lithium battery box and battery pack | |
| CN215644801U (en) | Housing assembly for battery module | |
| CN219226214U (en) | Fuse holder for flexible circuit board, convenient for replacing fuse | |
| CN215496566U (en) | Plug-in base of molded case circuit breaker | |
| CN117477144B (en) | Energy storage device and shell thereof | |
| CN215911501U (en) | Battery module and battery module | |
| CN219626863U (en) | Copper bar protective cover and battery pack |
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 |