CN218770003U - A safety device for pack battery pack - Google Patents
A safety device for pack battery pack Download PDFInfo
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- CN218770003U CN218770003U CN202221852610.0U CN202221852610U CN218770003U CN 218770003 U CN218770003 U CN 218770003U CN 202221852610 U CN202221852610 U CN 202221852610U CN 218770003 U CN218770003 U CN 218770003U
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- side plate
- plate
- plastic
- pack
- bottom plate
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- 229920003023 plastic Polymers 0.000 claims abstract description 78
- 239000004033 plastic Substances 0.000 claims abstract description 78
- 239000012790 adhesive layer Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 3
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 10
- 239000011324 bead Substances 0.000 description 9
- 238000004146 energy storage Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A safety device for a pack battery pack, the pack battery pack including a plurality of cells, the device comprising: a plastic base plate comprising a plurality of grooves; a side shield assembly including a side plate and an insulating film; the side plates are vertically arranged on the plastic bottom plate along the edge of the plastic bottom plate, and the side plates and the plastic bottom plate are encircled to form an open container; the insulating film is arranged on one side of the side plate in the container; a plurality of electric cores set up in the container, and wherein, a plurality of electric cores are placed on the plastic bottom plate, and do not contact with recess internal surface. This application can avoid the quick-witted case that electric core and box short circuit lead to electrified and the negative short corrosion such as defect that electric core weeping leads to, promotes the insulating security grade of pack battery package, reduces the insulating inefficacy risk of pack battery package.
Description
Technical Field
The application relates to the technical field of energy storage batteries, in particular to a safety protection device for a pack battery pack.
Background
The energy storage pack battery pack is the minimum unit of lithium battery energy storage power supply, and has the functions of storing electric energy and supplying power for external loads. Whether the energy storage pack battery pack is safe and reliable can influence the safety of the lithium battery, and the key of whether the lithium battery product can be mature is provided. The existing energy storage lithium battery pack box body generally adopts a metal box body, and insulation protection is realized between an electric core and the metal box body through an insulating film. However, the protection capability of the insulating film is generally poor, if hard foreign matters remain in the energy storage pack battery pack, the insulating film is easily punctured or abraded, the electric core shell is in short circuit with the metal box body, and the case is subjected to high voltage electricity, even high voltage ignition is caused. In addition, when a certain battery cell leaks, the electrolyte can soak the surrounding battery cells, and the blue films of the battery cells are corroded to cause insulation failure.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a safety device for pack battery package, can avoid the quick-witted case that electric core and box short circuit lead to electrified and the negative short corrosion such as that electric core weeping leads to defects, promote the insulating safe grade of pack battery package, reduce the insulating inefficacy risk of pack battery package.
In a first aspect, a safety protection device for a pack battery pack is provided, where the pack battery pack includes a plurality of battery cells. The device comprises: the plastic bottom plate comprises a plurality of grooves; the side protection component comprises a side plate and an insulating film; the side plates are vertically arranged on the plastic bottom plate along the edge of the plastic bottom plate, and the side plates and the plastic bottom plate are encircled to form an open container; the insulating film is arranged on one side of the side plate in the container; the battery cell is arranged in the container, wherein the battery cell is placed on the plastic bottom plate and is not contacted with the inner surface of the groove. The problem of short circuit which possibly occurs between the bottom surface of the electric core and the box body can be fundamentally solved by adopting the insulating plastic bottom plate. When the electrolyte leakage occurs in the battery cell, the electrolyte in the battery cell can flow into the groove arranged on the plastic bottom plate, and the electrolyte cannot diffuse in a large area. Adjacent portions of the plurality of grooves have a raised structure, which may be referred to as a raised beam. Because the electric core is placed on the convex beam, electrolyte leaked from the electric core can not soak other peripheral electric cores, the occurrence of the condition that the blue film of the electric core is corroded is avoided, and the phenomenon that negative short corrosion fails due to the fact that the shell is short-circuited through the electrolyte between the electric cores is avoided.
In one possible implementation, the method further includes: a plurality of blotters, all with insulating film fixed connection, and all perpendicular to plastic bottom plate, a plurality of blotters set up between a plurality of electric cores for separate a plurality of electric cores. The buffer cushion can play the insulating effect between a plurality of electric cores, can also play the effect of separating fixed electric core. Can promote the insulating effect that a plurality of electric cores are combined together, structural also inseparabler.
In one possible embodiment, the plurality of grooves are identical in shape and size.
In one possible embodiment, the plurality of grooves are all rectangular. Because a plurality of electric cores use the convex beam as the support, the convex beam size that the recess that adopts the same shape formed is also the same, is favorable to the rule of electric core to arrange, makes pack battery package's the efficient in groups to the energy efficiency under pack battery package unit volume has been improved.
In a possible embodiment, a first glue layer is further disposed between the side plate and the insulating film for fixing the side plate and the insulating film. The insulating film can be pasted and fixed on the side plate through the viscous first glue layer, so that the insulating film and the side plate are connected more tightly, and in addition, the side plate and the battery cell have good insulativity.
In a possible embodiment, the side plates are in the shape of a right-angled U, comprising: a first side plate, a second side plate and a third side plate; the first side plate and the second side plate are arranged in parallel; the first side plate and the second side plate are respectively vertical to the third side plate. The inner space with regular shape can be more beneficial to arranging more cells.
In one possible embodiment, the insulating film includes a first insulating film and a second insulating film; wherein a first insulating film is provided on the first side plate; the second insulating film is disposed on the second side plate.
In one possible embodiment, the side plates are made of a metallic material.
In one possible embodiment, the plastic chassis further comprises: the first control box is arranged at the end part of the side protection assembly and used for installing the battery management unit and the fan.
In one possible embodiment, the method further comprises: the first end plate is arranged near the first control box; the second end plate is arranged near the third side plate; the first end plate is parallel to the second end plate. Through first end plate and second end plate with the electric core of arranging closely together between first end plate and the second end plate, can not rock or receive external force and produce relative displacement because of the outside, stability is higher.
On the other hand, a safety protection device for a pack battery pack is provided, wherein the pack battery pack comprises a plurality of battery cores. The device comprises: a plastic housing, the plastic housing comprising: a bottom plate comprising a plurality of grooves; the side plate is vertically arranged on the bottom plate along the edge of the bottom plate, and the side plate and the bottom plate surround to form an open container; a plurality of electric cores set up in the plastic casing, and wherein, a plurality of electric cores are placed on the bottom plate, and do not contact with recess internal surface. The insulating plastic shell can fundamentally solve the problem of short circuit between the bottom surface of the battery core and the box body and between the battery core and the side edge plate. When the electrolyte leakage occurs in the battery cell, the electrolyte in the battery cell can flow into the groove arranged on the plastic bottom plate, and the electrolyte cannot diffuse in a large area. Adjacent portions of the plurality of grooves have a raised structure, which may be referred to as a raised beam. Because a plurality of electric cores are placed on the convex beam, electrolyte leaked from the electric cores can not soak other peripheral electric cores, the occurrence of the condition that the blue film of the electric cores is corroded is avoided, and the phenomenon that negative short corrosion fails due to the fact that the shells between the electric cores are short-circuited through the electrolyte is further avoided.
In one possible embodiment, the method further comprises: a plurality of plastics parting beads, set up on the curb plate, and the interval of a plurality of plastics parting beads equals. Adopt a plurality of plastics parting beads to carry on spacingly to a plurality of electric cores, play the effect of separating a plurality of electric cores, in addition, a plurality of plastics parting beads can also play the fixed effect of fastening electric core.
In one possible embodiment, the plurality of grooves are identical in shape and size.
In one possible embodiment, the plurality of grooves are all rectangular. Because a plurality of electric cores use the convex beam as the support, the convex beam size that adopts the recess formation of the same shape also is the same, is favorable to the inside electric core rule of pack to be arranged, and pack's group is efficient to the energy efficiency under the pack unit volume has been improved.
In a possible embodiment, the base plate further comprises: and the second adhesive layer is arranged in the middle of the bottom plate and used for fixing the battery cell. The battery cell located in the middle of the bottom plate is fixed with the bottom plate through the second glue layer, so that the battery cell can be fixed on the bottom plate, and the stability is higher.
In one possible embodiment, the side panels are in the shape of a right-angled U, comprising: a first side plate, a second side plate and a third side plate; the first side plate and the second side plate are arranged in parallel; the first side plate and the second side plate are respectively perpendicular to the third side plate. The inner space with regular shape can be more beneficial to arranging more cells.
In one possible embodiment, the plastic housing further comprises: and the second control box is arranged at one end of the plastic shell and used for installing the battery management unit and the fan.
In one possible embodiment, the method further comprises: a third end plate and a fourth end plate, the third end plate being disposed adjacent to the second control box; the fourth end plate is arranged near the third side plate; the third end plate is parallel to the fourth end plate. The electric core that arranges between with third end plate and fourth end plate through third end plate and fourth end plate closely fixes together, can not rock or receive external force and produce relative displacement because of the outside, and the inside stability of lithium cell is higher.
Drawings
FIG. 1 is an exploded view of a safety shield apparatus for a pack battery pack according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a plastic bottom plate structure provided in an embodiment of the present application;
FIG. 3 is an assembled view of a safety shield apparatus for pack battery pack according to an embodiment of the present disclosure;
FIG. 4 is an exploded view of another embodiment of the present disclosure showing a safety device for a pack battery pack;
FIG. 5 is a schematic structural diagram of a plastic housing provided in an embodiment of the present application;
FIG. 6 is an assembly diagram of another safety shield apparatus for a pack battery pack according to an embodiment of the present disclosure.
Detailed Description
The energy storage lithium battery pack is the minimum unit of energy storage power supply, and whether the pack is safe, reliable can exert an influence on the safety of the lithium battery, and is the key whether the lithium battery product can move towards maturity. Pack safety mainly includes functional safety, insulation safety, thermal runaway safety, mechanical safety and the like. The insulating safety protection of pack at present is still immature, and the box of pack group adopts metal sheet material, and insulating nature, corrosion resistance are poor, influence the security of energy storage lithium cell.
Fig. 1 is an exploded view of a safety device structure for a pack battery pack according to an embodiment of the present disclosure. As shown in fig. 1, a safety shield apparatus for a pack battery pack is provided, the pack battery pack including a plurality of cells 12. The device comprises: the side protection device comprises a plastic bottom plate 9 and a side protection component 15, wherein the plastic bottom plate 9 comprises a plurality of grooves 10, and adjacent parts of the grooves 10 are provided with convex structures which can be called convex beams 11; that is, a plurality of convex beams 11 are formed according to a plurality of concave grooves 10; the groove 10 is used for containing electrolyte which may leak from the battery cell 12. The side shield assembly 15 includes a side plate and an insulating film 1; the side plates are vertically arranged on the plastic bottom plate 9 along the edge of the plastic bottom plate 9, and the side plates and the plastic bottom plate 9 are enclosed to form an open container; the plastic bottom plate 9 and the side plates can be fixed by using rivets 7. The insulating film 1 is arranged on one side of the side plate in the container; the battery cell 12 is disposed in the container, wherein the battery cell 12 is placed on the convex beam 11 and does not contact with the inner surface of the groove 10. The plastic bottom plate 9 can be manufactured by adopting an injection molding process, the shape and the size of the groove 10 on the plastic bottom plate 9 can be set according to the shape and the size of the battery cell 12, and the requirement that the battery cell 12 can be placed on the convex beam 11 formed by the adjacent grooves 10 is met. When a plurality of battery cells 12 are arranged on the convex beam 11, the arranged groove 10 also needs to meet the requirement that all the battery cells 12 do not fall into the groove 10. When a plurality of battery cells 12 are arranged, the battery cells 12 are electrically connected to each other.
Fig. 2 is a schematic structural diagram of a plastic base plate 9 according to an embodiment of the present disclosure. As shown in fig. 2, the plastic base plate 9 is provided with a plurality of grooves 10, and the plurality of grooves 10 may be identical or different in shape and size. Illustratively, the plurality of grooves 10 may be rectangular. Because a plurality of electric cores 12 use the convex beam 11 as the support, the size of the convex beam 11 formed by the grooves 10 with the same shape is the same, which is beneficial to the regular arrangement of the electric cores 12, the grouping efficiency of the pack battery pack is high, and the energy efficiency of the pack battery pack under the unit volume is improved.
The insulating plastic bottom plate 9 can fundamentally solve the problem of short circuit possibly occurring between the bottom surface of the electric core 12 and the box body. When electric core 12 takes place the weeping, the electrolyte in electric core 12 can flow into the setting in the recess 10 of plastic bottom plate 9, can not the diffusion of large tracts of land, because electric core 12 is placed on protruding roof beam 11, consequently, other electric cores 12 of periphery can not soaked to the electrolyte that electric core 12 leaked yet, has stopped the condition emergence that electric core 12 blue membrane was corroded, and then has avoided the phenomenon that the casing leads to through the short circuit of electrolyte short circuit negative short corrosion failure between electric core 12.
In a possible embodiment, a second adhesive layer is disposed between the bottom of the battery cell 12 and the plastic base plate 9, and the second adhesive layer may be a structural adhesive layer, and the structural adhesive is used as an adhesive, and the battery cell 12 and the plastic base plate 9 are bonded together by the second adhesive layer, so as to improve stability.
In one example, the guard may further include: a plurality of cushions 2, a plurality of cushions 2 all with insulating film 1 fixed connection, and all perpendicular to plastic bottom plate 9. A plurality of buffer pads 2 may be disposed between the plurality of battery cells 12 for separating the plurality of battery cells 12. The buffer pad 2 is made of insulating material. The buffer pad 2 serves to insulate the plurality of battery cells 12, and also serves to separate and fix the battery cells 12. Use blotter 2 to keep apart between a plurality of electric cores 12, can promote the insulating effect of a plurality of electric core 12 combinations, structural also inseparabler.
A first glue layer may be further disposed between the side plate and the insulating film 1 for fixing the side plate and the insulating film 1. The first adhesive layer can be a structural adhesive layer, and the structural adhesive is used as an adhesive. The insulating film 1 can be stuck and fixed on the side plate through the sticky first glue layer, so that the insulating film 1 can be connected with the side plate more tightly, and in addition, the side plate and the battery cell 12 have good insulativity.
The side plates are in the shape of a right-angled U, i.e., a rectangle with one open side. The method comprises the following steps: a first side plate 3, a second side plate 4 and a third side plate 5; wherein, the first side plate 3 and the second side plate 4 are arranged in parallel; the first side plate 3 and the second side plate 4 are perpendicular to the third side plate 5, respectively. Having a regularly shaped interior space may be more advantageous for arranging more cells 12. The insulating film 1 may further include a first insulating film 1 and a second insulating film 1; wherein a first insulating film 1 is provided on the first side plate 3; the second insulating film 1 is provided on the second side plate 4. Illustratively, the side plates may be made of a metal material.
In one example, the plastic chassis 9 may further include: the first control box 14 is disposed at an end of the side guard assembly 15, and is used for installing a Battery Management Unit (BMU) and a functional module such as a fan.
In one example, the guard may further include: a first end plate 13, a second end plate 8, the first end plate 13 being disposed adjacent to the first control box 14; the second end plate 8 is disposed adjacent to the third side plate 5; the first end plate 13 is parallel to the second end plate 8. Through first end plate 13 and second end plate 8 with electric core 12 of arranging closely together between first end plate 13 and the second end plate 8, can not rock or receive external force and produce relative displacement because of the outside, stability is higher.
When the pack battery pack box is rectangular, the arrangement direction of the battery cores 12 can be perpendicular to the length direction of the pack, and can also be perpendicular to the width direction of the pack.
Fig. 3 is an assembly view of a safety device for a pack battery pack according to an embodiment of the present disclosure. As shown in fig. 3, the plastic bottom plate 9 and the sheet metal side plate are fixed by rivets 7. The lithium ion battery cell 12 is separated by the buffer pad 2 and pasted into a battery cell 12 group, the two ends are fastened by the plastic end plate, the side plate pasted with the insulating film 1 and the battery cell 12 group pasted into a group are fixed by the structural adhesive, and the plastic end plate and the side plate are connected by the screw 6 to form an integral module. The module is then assembled with the plastic base plate 9. Illustratively, the module and the plastic bottom plate 9 can be fixed by structural adhesive.
Fig. 4 is an exploded view of another safety protection device for pack battery pack according to an embodiment of the present application. As shown in fig. 4, a safety shield apparatus for a pack battery pack is provided, the pack battery pack including a plurality of cells 12. The device comprises: a plastic housing 16, the plastic housing 16 comprising: a base plate comprising a plurality of recesses 10. The adjacent parts of the plurality of grooves 10 have a convex structure which can be called as convex beams 11; that is, a plurality of convex beams 11 are formed according to a plurality of concave grooves 10; the groove 10 is used for containing electrolyte which may leak from the battery cell 12. The side plate is vertically arranged on the bottom plate along the edge of the bottom plate, and the side plate and the bottom plate surround to form an open container; a plurality of cells 12 are disposed within a plastic housing 16, wherein the plurality of cells 12 are placed on the convex beams 11 without contacting the inner surface of the groove 10. The plastic shell 16 can be manufactured by an injection molding process, and the shape and size of the groove 10 on the bottom plate can be set according to the shape and size of the battery cell 12, so that the battery cell 12 can be placed on the convex beam 11 formed by the adjacent grooves 10. When a plurality of battery cells 12 are arranged on the convex beam 11, the arranged groove 10 also needs to meet the requirement that all the battery cells 12 do not fall into the groove 10. When a plurality of battery cells 12 are arranged, the battery cells 12 are electrically connected to each other.
Fig. 5 is a schematic structural diagram of a plastic housing according to an embodiment of the present application. As shown in fig. 5, the plastic housing 16 is provided with a plurality of grooves 10, and the plurality of grooves 10 may have the same shape and size or may have different shapes and sizes. Illustratively, the plurality of grooves 10 may be rectangular. Because a plurality of electric cores 12 use protruding roof beam 11 as the support, the protruding roof beam 11 size that adopts the recess 10 formation of the same shape is also the same, is favorable to the rule of electric core 12 to arrange, makes pack battery package's the group efficient to the energy efficiency under pack battery package unit volume has been improved.
The insulating plastic shell 16 can fundamentally solve the problem of short circuit between the bottom surface of the battery cell 12 and the box body and between the battery cell 12 and the side edge plate. When electric core 12 takes place the weeping, the electrolyte in electric core 12 can flow into the recess 10 that sets up at plastic baseboard 9, diffusion by a large scale can not be made, because a plurality of electric cores 12 are placed on protruding roof beam 11, consequently, other electric cores 12 of periphery also can not be soaked to the electrolyte that electric core 12 leaked, and the condition that electric core 12 blue membrane is corroded has been stopped and has taken place, and then the phenomenon of the short corrosion failure of burden that the casing leads to through the electrolyte short circuit between electric core 12 has been avoided.
In a possible embodiment, the guard may further comprise: a plurality of plastics parting bead 19, a plurality of plastics parting bead 19 set up on the curb plate, and the interval of a plurality of plastics parting bead 19 is equal. Adopt a plurality of plastics parting beads 19 to carry on spacingly to a plurality of electric cores 12, play the effect of separating a plurality of electric cores 12, in addition, a plurality of plastics parting beads 19 can also play the fixed effect of fastening electric core 12.
In a possible embodiment, the bottom plate may further include: and the second adhesive layer is arranged in the middle of the bottom plate and used for fixing the battery cell 12. The second adhesive layer can be a structural adhesive layer, and the structural adhesive is used as an adhesive. The battery cell 12 located in the middle of the bottom plate is fixed with the bottom plate through the second glue layer, so that the battery cell 12 can be fixed on the bottom plate, and the stability is higher.
The side plates are in the shape of a right-angled U, i.e. a rectangle open on one side. The method comprises the following steps: a first side plate, a second side plate and a third side plate; the first side plate and the second side plate are arranged in parallel; the first side plate and the second side plate are respectively perpendicular to the third side plate. Having a regularly shaped interior space may be more advantageous for arranging more cells 12.
In one example, the guard may further include: and a second control box 20 provided at one end of the plastic case 16 for mounting functional modules such as a battery management unit and a fan.
In one example, the guard may further include: a third end plate 17 and a fourth end plate 18, the third end plate 17 being disposed adjacent to the second control box 20; the fourth end plate 18 is disposed adjacent the third side plate; the third end plate 17 is parallel to the fourth end plate 18. The battery cells 12 arranged between the third end plate 17 and the fourth end plate 18 are tightly fixed together through the third end plate 17 and the fourth end plate 18, so that relative displacement caused by external shaking or external force cannot be generated, and the stability of the interior of the lithium battery is higher.
FIG. 6 is an assembly diagram of another safety shield apparatus for a pack battery pack according to an embodiment of the present disclosure. As shown in fig. 6, the plastic case 16 is fixed to the third end plate 17 and the fourth end plate 18 by screws 6. The lithium ion cells 12 may be separated by plastic spacers 19 and adhered into groups of cells 12, with the ends clamped together by end plates. The side plates and the battery cell 12 group can be fixed by structural adhesive to form an integral module. The module is then glued to the base plate. Illustratively, the module and the bottom plate can be fixed by structural adhesive.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (18)
1. A safety device for a pack battery pack, the pack battery pack including a plurality of cells, the device comprising:
a plastic base plate comprising a plurality of grooves;
a side shield assembly including a side plate and an insulating film; the side plates are vertically arranged on the plastic bottom plate along the edge of the plastic bottom plate, and the side plates and the plastic bottom plate are encircled to form an open container; the insulating film is arranged on one side of the side plate in the container;
the plurality of battery cells are arranged in the container, wherein the plurality of battery cells are placed on the plastic bottom plate and are not in contact with the inner surface of the groove.
2. A safety shield apparatus as recited in claim 1, further comprising:
and the cushion pads are fixedly connected with the insulating film and are perpendicular to the plastic bottom plate, and the cushion pads are arranged among the battery cores and used for separating the battery cores.
3. A safety shield apparatus according to any one of claims 1-2, wherein the plurality of recesses are all identical in shape and size.
4. A safety shield apparatus according to claim 1, wherein each of said plurality of notches is rectangular.
5. A safety shield apparatus according to claim 1, wherein a first adhesive layer is further disposed between said side plate and said insulating membrane for securing said side plate and said insulating membrane.
6. A safety shield apparatus according to claim 1, wherein said side panels are in the shape of a right angle U-shape comprising:
a first side plate, a second side plate and a third side plate; wherein the content of the first and second substances,
the first side plate and the second side plate are arranged in parallel;
the first side plate and the second side plate are perpendicular to the third side plate respectively.
7. The safety shield apparatus of claim 6, wherein said insulating film comprises a first insulating film and a second insulating film; wherein the content of the first and second substances,
the first insulating film is disposed on the first side plate;
the second insulating film is disposed on the second side plate.
8. A safety shield apparatus according to claim 1, wherein said side panels are fabricated from a metallic material.
9. A safety shield apparatus as recited in claim 6, wherein the plastic base plate further comprises:
and the first control box is arranged at the end part of the side protection component and used for installing the battery management unit and the fan.
10. A safety shield apparatus as recited in claim 9, further comprising:
a first end plate disposed adjacent to the first control box;
a second end panel disposed adjacent the third side panel;
the first end plate is parallel to the second end plate.
11. A safety device for a pack battery pack, the pack battery pack including a plurality of cells, the device comprising: a plastic housing, the plastic housing comprising:
a base plate comprising a plurality of grooves;
the side plate is vertically arranged on the bottom plate along the edge of the bottom plate, and the side plate and the bottom plate are encircled to form an open container;
the plurality of battery cells are arranged in the plastic shell, wherein the plurality of battery cells are placed on the bottom plate and are not in contact with the inner surface of the groove.
12. A safety shield apparatus as recited in claim 11, further comprising:
and the plurality of plastic division bars are arranged on the side plate, and the intervals of the plurality of plastic division bars are equal.
13. A safety shield apparatus according to any one of claims 11-12, wherein the plurality of recesses are all the same shape and size.
14. A safety shield apparatus according to claim 11, wherein each of said plurality of notches is rectangular.
15. A safety shield apparatus as recited in claim 11, wherein the base plate further comprises:
and the second glue layer is arranged in the middle of the bottom plate and used for fixing the battery cell.
16. A safety shield apparatus according to claim 11, wherein said side panel is in the shape of a right angle U-shape comprising:
a first side plate, a second side plate and a third side plate; wherein the content of the first and second substances,
the first side plate and the second side plate are arranged in parallel;
the first side plate and the second side plate are perpendicular to the third side plate respectively.
17. A safety shield apparatus according to claim 16, wherein said plastic housing further comprises:
and the second control box is arranged at one end of the plastic shell and used for installing the battery management unit and the fan.
18. A safety shield apparatus as recited in claim 17, further comprising:
a third end plate disposed adjacent to the second control box;
a fourth end panel disposed adjacent to the third side panel;
the third end plate is parallel to the fourth end plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221852610.0U CN218770003U (en) | 2022-07-18 | 2022-07-18 | A safety device for pack battery pack |
| PCT/CN2023/084550 WO2024016716A1 (en) | 2022-07-18 | 2023-03-29 | Safety protection device for pack battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221852610.0U CN218770003U (en) | 2022-07-18 | 2022-07-18 | A safety device for pack battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218770003U true CN218770003U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221852610.0U Active CN218770003U (en) | 2022-07-18 | 2022-07-18 | A safety device for pack battery pack |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218770003U (en) |
| WO (1) | WO2024016716A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016716A1 (en) * | 2022-07-18 | 2024-01-25 | 华为数字能源技术有限公司 | Safety protection device for pack battery pack |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3914707B2 (en) * | 2000-06-19 | 2007-05-16 | 本田技研工業株式会社 | Storage element and holding structure thereof |
| JP5066870B2 (en) * | 2006-09-04 | 2012-11-07 | トヨタ自動車株式会社 | tray |
| CN109411667A (en) * | 2018-12-10 | 2019-03-01 | 广州市垠瀚能源科技有限公司 | A kind of soft-package battery mould group |
| CN211455751U (en) * | 2019-12-26 | 2020-09-08 | 观致汽车有限公司 | Battery module |
| CN113611948B (en) * | 2021-08-02 | 2023-10-31 | 广州小鹏汽车科技有限公司 | Battery module and battery pack |
| CN216928762U (en) * | 2021-11-03 | 2022-07-08 | 华霆（合肥）动力技术有限公司 | Battery pack and power battery system |
| CN218770003U (en) * | 2022-07-18 | 2023-03-28 | 华为数字能源技术有限公司 | A safety device for pack battery pack |
-
2022
- 2022-07-18 CN CN202221852610.0U patent/CN218770003U/en active Active
-
2023
- 2023-03-29 WO PCT/CN2023/084550 patent/WO2024016716A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016716A1 (en) * | 2022-07-18 | 2024-01-25 | 华为数字能源技术有限公司 | Safety protection device for pack battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024016716A1 (en) | 2024-01-25 |
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