CN213936367U - Double-row battery cell module structure with pressing plate - Google Patents
Double-row battery cell module structure with pressing plate Download PDFInfo
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- CN213936367U CN213936367U CN202022484616.4U CN202022484616U CN213936367U CN 213936367 U CN213936367 U CN 213936367U CN 202022484616 U CN202022484616 U CN 202022484616U CN 213936367 U CN213936367 U CN 213936367U
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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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Abstract
The utility model discloses a take double electric core module structure of clamp plate, including module upper cover plate, tray, pole piece, end plate, electric core, clamp plate isotructure, two rows of arranging are become to electric core, and the centre separates through the epoxy board. Also be equipped with the epoxy board between electric core cluster and the cluster, be equipped with tray, pole piece and upper cover plate above the electric core, both ends are passed through the end plate extrusion and are fixed with the packing area, and module upper cover plate surface is equipped with the clamp plate, is in the same place the clamp plate is fixed with the end plate through the screw rod to together fix the module on the box. To sum up, this utility model double module is fixed with electric core all directions through end plate, packing area and clamp plate, has restricted the spatial position of electric core, has solved electric core drunkenness from top to bottom, the low problem of first-order mode, and two rows of electric cores pass through the plastics muscle and the epoxy board that stretch out on tray and the end plate and keep apart two rows of electric cores completely, play fine insulating effect, should take the double electric core module overall structure of clamp plate exquisite, compact and safe and reliable.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to take double electric core module structure of clamp plate.
Background
With the continuous promotion of the theme of environmental protection, the usage amount of electric vehicles increases year by year, a power battery is one of the core energy storage devices of the electric vehicles, and a power battery module has become a main component and a key technology of the power battery. Generally, in order to achieve the voltage and the electric quantity required by the electric vehicle, a plurality of single batteries are connected in parallel to form a module, a plurality of modules are connected in series, and the battery modules connected in series are installed in a battery box body so as to provide power for the electric vehicle.
Most of lithium battery module electric cores in the prior art are arranged in a single row, so that the lithium battery module electric cores are better fixed. The module to double electric core also mostly adopts the form of layering, directly fixes on the box crossbeam with the screw rod through the layering, and the end plate is very thin, also plays insulating effect, does not play fixed module effect. And the aluminum pressing strip is easy to deform when the screw rod is screwed, and the battery cell can be extruded to deform. However, the modules of this structure are generally used in many logistics vehicles. For passenger car modules, there is still a great risk with such modules that are only in the form of a batten fixing. And the insulating of the double-row battery cell module before is not in place, so that a lot of risks can exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of take double electric core module structure of clamp plate, this two rows of electric cores are fixed targets in place with insulation design, and module overall structure is exquisite, compact and safe and reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a take double electric core module structure of clamp plate, includes:
the battery module comprises a module upper cover plate, a tray, pole pieces, end plates, battery cells, a pressing plate, an epoxy plate and the like, wherein the number of the battery cells is N, and N is an even number;
the module of a 5P6S is constituteed in parallel to the cluster of N electric core, and electric core becomes two rows of arrangements, and the centre separates through the epoxy board, and the two-sided gum of epoxy board can be in the same place two rows of electric cores even, plays insulating and connection effect, also is equipped with the epoxy board between electric core cluster and the cluster, and two-sided gum, plays the isolation between cluster and cluster.
Further, a tray, a pole piece, a lead-out pole piece and an upper cover plate are arranged on the battery cell; two linear pole pieces, three H-shaped pole pieces and two extraction pole pieces are placed on the tray, the pole pieces and the battery cell pole columns are welded together through laser welding, the series-parallel connection of the battery cells is completed, and the extraction pole pieces extract the module current.
Furthermore, the tray is made of plastic and is designed according to the serial-parallel number of the battery cells. A pole piece mounting area and a wiring harness routing clamping groove are designed on the tray, and wiring harnesses are fixed, so that the wiring is tidy and attractive. Still design down and keep apart the muscle on the tray, should keep apart the muscle from stretching into the centre of two rows of electric cores from the top down, play fine insulating and isolation to two rows of electric cores.
Further, the module both ends are passed through the end plate extrusion and are packed fixedly with the packing area, and module upper cover plate surface is equipped with the clamp plate, fixes clamp plate and end plate together through the screw rod to together fix the module on the box crossbeam.
Furthermore, the end plate is made of plastic, and a screw mounting hole and a pole piece mounting hole are designed on the boss of the end plate, so that the pole piece can be conveniently fixed and connected by the screw; side edges are designed on the two sides of the end plate to protect the two sides of the battery cell and play a role in insulation; the end plate is provided with a mounting hole for fixing the low-voltage connector; a limiting clamping groove is formed in the middle of the end plate and used for limiting a lower isolation rib of the tray.
Furthermore, the clamping ribs are arranged at the middle positions of the back surfaces of the end plates, the end plates on two sides respectively stretch into the clamping ribs from the middle to the middle of two rows of electric cores, in addition, the lower isolation ribs stretching out of the tray respectively separate the two rows of electric cores from the upper side, the left side and the right side in three directions, and in addition, the epoxy plates in the middle of the two rows of electric cores play an insulating role to the two rows of electric cores well, so that the module is safer and more reliable.
Furthermore, the module pressing plate is arranged on the upper surface of the module, connected with the end plate through a screw rod and fixed on the box body cross beam together. The module pressing plates are just pressed at the middle positions of the two rows of electric cores respectively, so that the electric cores can be prevented from moving up and down; the pressing plate is made of Q235, and the structural strength of the pressing plate can be enhanced by adopting a metal plate stamping structural form; the stamped and reduced weight shape of the platen and the role played by the platen.
To sum up, this utility model double module is fixed with electric core all directions through end plate, packing area and clamp plate, has restricted the spatial position of electric core, has solved electric core drunkenness from top to bottom, the low problem of first-order mode, and two rows of electric cores pass through the plastics muscle and the epoxy board that stretch out on tray and the end plate and keep apart two rows of electric cores completely, play fine insulating effect, should take the double electric core module overall structure of clamp plate exquisite, compact and safe and reliable.
Drawings
FIG. 1 is an isometric view of an assembly of the present invention;
FIG. 2 is an exploded view of the module of the present invention;
FIG. 3 is a first perspective view of the end plate of the present invention;
fig. 4 is an axonometric view two of the end plate of the present invention;
fig. 5 is a first perspective view of the upper cover plate of the present invention;
fig. 6 is an axonometric view two of the upper cover plate of the utility model;
fig. 7 is an isometric view of the tray of the present invention;
fig. 8 is an isometric view of the platen of the present invention;
reference numerals:
the terminal plate 1, the first kidney-shaped hole 101, the first rectangular hole 102, the circular hole 103, the steel sleeve 104, the boss 105, the side wrapping edge 106, the rectangular boss 107, the mounting hole 108, the limiting clamping groove 109, the pole piece mounting boss 110, the copper nut insert 111, the first buckle 112, the clamping rib 113, the area a, the area b, the screw 2, the epoxy plate 3, the low-voltage connector 4, the battery cell 5, the tray 6, the separating rib 61, the air vent 62, the wiring harness clamping groove 63 and the second buckle 64, the wire harness drawing-out device comprises a clamping groove 65, a wire harness drawing-out opening 66, a lower isolation rib 67, a pole piece drawing-out opening 68, a pole piece 7, an upper cover plate 8, a rectangular sinking platform 81, an upper sinking platform 82, a buckle 83, a lower sinking platform 84, a lower sinking platform 85, a lower sinking platform 86, a pressing plate 9, a waist-shaped convex rib 91, a sinking platform 92, a waist-shaped hole II 93, a Z-shaped welding plate 94, an elliptical hole 95, a groove 96, a rectangular hole II 97, a high-pressure protection cover 10, a pole piece II 11, a packing belt 12, a drawing-out pole piece 13 and an epoxy plate 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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.
As shown in fig. 1, the double-row cell module structure with a pressing plate in the first embodiment includes a module upper cover plate 8, a tray 6, a pole piece 7, an end plate 1, a cell 5, a pressing plate 9, an epoxy plate 3, and the like.
30 electric cores are connected in series and in parallel to form a module of 5P6S, the electric cores are arranged in two rows, the middle of the electric cores is separated by an epoxy plate 14, and the two sides of the epoxy plate are coated with adhesive to connect the two rows of electric cores together to play the role of insulation and connection. Also be equipped with epoxy board 3 between electric core cluster and the cluster, every 5 electric cores set up a little epoxy board 3, and two-sided gum plays the isolation effect between cluster and cluster.
The battery cell 5 is provided with a tray 6, a first pole piece 7, a second pole piece 11, a lead-out pole piece 13 and an upper cover plate 8. Two pole pieces I7, three pole pieces II 11 and two lead-out pole pieces 13 are placed on the tray 6. And welding the pole pieces and the cell poles together by laser welding to complete series-parallel connection of the cells. The pole piece 7 is in a straight line shape; the second pole piece 11 is H-shaped, and the inner pole columns of the two rows of the battery cells are connected in series; the extraction pole piece 13 is designed into a special shape according to the structural form to extract the positive total negative current of the module assembly. And leading out the module current from the pole piece 13 to the end plates 1 at the two ends, and then connecting the module current with copper bars in a battery system through bolts to lead out the module current.
The tray 6 is made of plastic and is designed according to the serial-parallel number of the battery cells. The tray 6 is provided with a separating rib 61 which mainly separates a plurality of pole pieces to play an insulating role. The tray 6 is provided with an air hole 62 which is positioned at the position of the battery cell explosion-proof valve to play a role in ventilation. A wiring harness clamping groove 63 is designed in the tray 6, and the collection wiring harness of the battery cell is fixed in the wiring harness clamping groove, so that wiring is tidy and attractive. The design has two 64, draw-in grooves 65 of buckle on the tray 6, and two 64 buckles are used for carrying out the Z to spacingly to the pole piece, draw-in grooves 65 be used for cooperating with 8 last buckles 83 of upper cover plate, accomplish the fixed of tray and upper cover plate. The tray 6 is also provided with a wire harness leading-out port 66 and a pole piece leading-out port 68 which are respectively used for leading out the collection wire harness and the pole piece, and a structural space is reserved. Still design down on the tray 6 and keep apart muscle 67, should keep apart muscle 67 down and stretch into the centre of two rows of electric cores from the top down, play fine insulating and isolation to two rows of electric cores.
The two ends of the module are extruded through the end plates 1 and packed and fixed through the packing belts 12, the surface of the upper cover plate 8 of the module is provided with a pressing plate 9, the pressing plate and the end plates are fixed together through the screw rods 2, and the module is fixed on the box body cross beam together.
The end plate 1 is made of plastic materials, and a row of first waist-shaped holes 101 are formed in the lowest surface of the outer surface of the end plate 1. The area a and the area b of the end plate are packing plane areas of a packing belt, and two rows of uniform rectangular holes I102 are formed in the packing belt. Two rows of equally spaced circular holes 103 having a diameter of 6.5mm are provided in the mid-plane of the end plate 1 and serve to secure a belt buckle or to secure an insulating guard. The upper end of the end plate 1 is provided with a boss 105, the boss 105 is provided with a screw mounting hole, and a steel sleeve 104 is embedded in the screw mounting hole, so that the screw can be reliably fixed. The two sides of the end plate 1 are provided with side covering edges 106, so that the two sides of the battery cell are protected to play an insulating role. The end plate 1 is designed with a rectangular boss 107, the rectangular boss 107 is designed with a mounting hole 108 for fixing the low-voltage connector 4, and the low-voltage connector 4 is fixed on the end plate in a mode of being inserted into the mounting hole by an airplane buckle. In order to prevent rotation of low-voltage connector 4 during insertion and removal, mounting hole 108 is designed to be positioned such that the lower surface of low-voltage connector 4 contacts the horizontal large surface of end plate 1 when low-voltage connector 4 is inserted into the end plate. A limit slot 109 is arranged at the middle position of the end plate 1 and used for limiting the lower isolation rib 67 of the tray 6. A pole piece mounting boss 110 is designed on the end plate 1 and used for mounting the leading-out pole piece 13, a pole piece mounting hole is designed on the pole piece mounting boss 110, and a copper nut insert 111 is designed in the pole piece mounting hole and is convenient for connecting the pole piece and a copper bar. Two sides of the leading-out pole piece mounting boss 110 are designed with a first buckle 112 for mounting the high-voltage protection cover 10. The design has card muscle 113 in the back intermediate position of end plate 1, and both sides end plate stretches into card muscle 113 respectively to two rows of electric cores in the middle of from, and the lower isolation muscle 67 that stretches out on the tray separates two rows of electric cores from it from above, the three direction in left side and right side respectively, and epoxy plate 14 in the middle of two rows of electric cores in addition, fine played insulating effect to two rows of electric cores, makes the module safe and reliable more.
A rectangular sinking platform 82 is designed in the middle of the module upper cover plate 8 and is used for being matched with a sinking platform 92 of the pressing plate 9 to limit the pressing plate. The end plates at both ends of the upper cover plate 8 are provided with upper sinking platforms 81 for matching with the high-pressure protective cover 10 to limit the high-pressure protective cover. The lower surface is designed with the concave platforms 84, 85, 86 according to the structural form of the upper surface and the principle of uniform wall thickness, so that the design can enhance the strength of the plastic part of the upper cover plate.
The module pressing plate 9 is arranged on the upper surface of the module, connected with the end plate 1 through the screw rod 2 and fixed on the box body cross beam together. The clamp plate material is Q235, adopts the structural style of panel beating punching press, can strengthen the structural strength of clamp plate. Waist-shaped convex ribs 91 are punched in the middle of the pressing plate 9, in order to reduce the weight of the pressing plate, a waist-shaped hole is designed on each waist-shaped convex rib, rectangular holes II 97 are uniformly designed in gaps among the waist-shaped holes, and three weight-reducing waist-shaped holes II 93 are respectively designed on two sides of the pressing plate. Due to the structural form of the end plate, the four corners of the pressure plate are designed to be narrower, so that a Z-shaped welding plate 94 is welded to each of the four corners of the pressure plate, and is locally thickened to play a local reinforcing role. Because the distance between the inner edge of the pressing plate 9 and the lead-out pole piece is smaller, in order to meet the creepage distance, the concave openings 96 are respectively cut at the parts of the four corners of the pressing plate, so that the electric clearance meets the design requirement. The four corners of the pressing plate are respectively provided with an elliptical hole 95 which plays a role of facilitating the installation of the pressing plate.
After each spare part of module is installed, install high-pressure protective cover 10, play high-pressure protection and insulating effect, make the module safer.
To sum up, the embodiment of the utility model provides a possess following characteristics:
(1) this take double electric core module structure of clamp plate, including module upper cover plate, tray, pole piece, end plate, electric core, clamp plate, epoxy board isotructure constitution.
(2)30 electric cores connect in series-parallel and form a module of 5P6S, and the electric core becomes two rows and arranges, and the centre separates through epoxy board 14, and the two-sided gum of epoxy board can be in the same place two rows of electric cores, plays insulating and connection. An epoxy plate 3 is also arranged between the battery cell strings, and the two sides of the epoxy plate are coated with gum, so that the strings are isolated.
(3) The battery core is provided with a tray 6, a pole piece 7, a second pole piece 11, a lead-out pole piece 13 and an upper cover plate 8. Two linear pole pieces 7, three H-shaped pole pieces II 11 and two lead-out pole pieces 13 are arranged on the tray 6. And welding the pole pieces and the cell poles together by laser welding to complete series-parallel connection of the cells. The extraction pole piece 13 extracts the module current.
(4) The tray 6 is made of plastic and is designed according to the serial-parallel number of the battery cells. A pole piece mounting area and a wiring harness routing clamping groove are designed on the tray 6, and wiring harnesses are fixed, so that the wiring is tidy and attractive. Still design down on the tray 6 and keep apart muscle 67, should keep apart muscle 67 down and stretch into the centre of two rows of electric cores from the top down, play fine insulating and isolation to two rows of electric cores.
(5) The two ends of the module are extruded through the end plates 1 and packed and fixed through the packing belts 12, the surface of the upper cover plate 8 of the module is provided with a pressing plate 9, the pressing plate and the end plates are fixed together through the screw rods 2, and the module is fixed on the box body cross beam together.
(6) The end plate 1 is made of plastic, and the boss 105 of the end plate 1 is provided with a screw mounting hole and a pole piece mounting hole, so that the pole piece can be conveniently fixed and connected by the screw. Two sides of the end plate 1 are provided with side edge covers 106, so that two sides of the battery cell are protected to play an insulating role. The end plate 1 is designed with a mounting hole 108 for fixing the low-voltage connector 4. A limit slot 109 is arranged at the middle position of the end plate 1 and used for limiting the lower isolation rib 67 of the tray 6.
(7) Card muscle 113 is designed at the back intermediate position of end plate 1, and both sides end plate stretches into card muscle 113 respectively to two rows of electric cores in the middle of from, and the lower isolation muscle 67 that stretches out on the tray separates two rows of electric cores from above, the three direction in left side and right side respectively, and epoxy plate 14 in the middle of two rows of electric cores in addition, fine played insulating effect to two rows of electric cores, makes the module safe and reliable more.
(8) The module pressing plate 9 is arranged on the upper surface of the module, connected with the end plate 1 through the screw rod 2 and fixed on the box body cross beam together. The module pressing plate 9 is just in time respectively pressed at the middle positions of the two rows of electric cores, and the electric cores can be prevented from moving up and down. The clamp plate material is Q235, adopts the structural style of panel beating punching press, can strengthen the structural strength of clamp plate. The stamped and reduced weight shape of the press plate 9 and the role played by the press plate.
To sum up, this utility model double module is fixed with electric core all directions through both ends board, packing area and clamp plate, has restricted the spatial position of electric core, has solved electric core drunkenness from top to bottom, the low problem of first-order mode. Two rows of electric cores are completely isolated by plastic ribs and epoxy plates which extend out of the tray and the two end plates, and a good insulating effect is achieved. This take double electric core module overall structure of clamp plate is exquisite, compact and safe and reliable.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a take double electric core module structure of clamp plate, includes electric core (5), sets up tray (6), pole piece, upper cover plate (8) on electric core (5), its characterized in that:
the number of the electric cores (5) is N, and N is an even number;
n electric cores (5) are connected in series and in parallel to form a module of 5P6S, the electric cores are arranged in two rows, the middle of the electric cores are separated by an epoxy plate, and the two sides of the epoxy plate are back-glued, so that the two rows of electric cores can be connected together to play roles of insulation and connection;
an epoxy plate is also arranged between the strings of the battery cells (5), each 5 battery cells are provided with a small epoxy plate, and the two sides of the epoxy plates are coated with gum, so that the strings are isolated.
2. The double-row battery cell module structure with the pressing plate according to claim 1, characterized in that: two pole pieces I (7), three pole pieces II (11) and two lead-out pole pieces (13) are placed on the tray (6);
welding the pole pieces and the pole columns of the battery cell (5) together by laser welding to complete series-parallel connection of the battery cells;
the pole piece I (7) is in a straight shape; the second pole piece (11) is H-shaped, and the inner pole columns of the two rows of the electric cores (5) are connected in series;
the extraction pole piece (13) is used for extracting the total positive and negative current of the module, the extraction pole piece (13) is used for extracting the module current to the end plates (1) at the two ends, and then the extraction pole piece is connected with a copper bar in a battery system through a bolt to extract the module current.
3. The double-row battery cell module structure with the pressing plate according to claim 2, characterized in that: the tray (6) is made of plastic;
the tray (6) is provided with a spacer rib (61) which separates a plurality of pole pieces to play an insulating role;
the tray (6) is provided with air holes (62) which are positioned at the positions of the battery cell explosion-proof valves and play a role in ventilation;
a wiring harness clamping groove (63) is formed in the tray (6), and a collection wiring harness of the battery cell is fixed in the wiring harness clamping groove, so that wiring is tidy and attractive;
a second buckle (64) and a clamping groove (65) are designed on the tray (6), the second buckle (64) is used for limiting the pole piece in the Z direction, and the clamping groove (65) is used for being matched with an upper buckle (83) of the upper cover plate (8) to complete the fixation of the tray and the upper cover plate;
a wire harness leading-out port (66) and a pole piece leading-out port (68) are further designed on the tray (6), and are used for leading out the acquisition wire harness and the leading-out pole piece respectively, so that a structural space is reserved;
still design down on tray (6) and keep apart muscle (67), should keep apart muscle (67) down and stretch into the centre of two rows of electric cores from the top down, play insulating and isolation to two rows of electric cores.
4. The double-row battery cell module structure with the pressing plate as recited in claim 3, wherein: the die set is characterized in that two ends of the die set are extruded through the end plate (1) and packed and fixed by the packing belt (12), a plane area for packing the packing belt, an area a and an area b are arranged on the end plate (1), and two rows of uniform rectangular holes I (102) are formed in the plane area.
5. The double-row battery cell module structure with the pressing plate as recited in claim 4, wherein:
the end plate (1) is made of plastic materials, and a row of first waist-shaped holes (101) are formed in the lowest surface of the outer surface of the end plate (1);
two rows of circular holes (103) with equal intervals are arranged on the middle plane of the end plate (1), the diameter of the holes is 6.5mm, and the holes can play a role in fixing a belt buckle or fixing an insulating protection piece.
6. The double-row battery cell module structure with the pressing plate according to claim 5, characterized in that:
the upper end of the end plate (1) is also provided with a boss (105), the boss (105) is provided with a screw mounting hole, and a steel sleeve (104) is embedded in the screw mounting hole, so that the screw can be reliably fixed;
two sides of the end plate (1) are provided with side edges (106) to protect two sides of the battery cell and play a role in insulation;
the end plate (1) is provided with a rectangular boss (107), the rectangular boss (107) is provided with a mounting hole (108) for fixing the low-voltage connector (4), and the low-voltage connector (4) is fixed on the end plate in a mode of being inserted into the mounting hole through an airplane buckle;
the design position of the mounting hole (108) is right when the low-voltage connector (4) is inserted on the end plate, and the lower surface of the low-voltage connector (4) is contacted with the horizontal large surface of the end plate (1);
a limiting clamping groove (109) is formed in the middle of the end plate (1) and used for limiting a lower isolating rib (67) of the tray (6);
a pole piece mounting boss (110) is designed on the end plate (1) and used for mounting the leading-out pole piece (13), a pole piece mounting hole is designed on the pole piece mounting boss (110), and a copper nut insert (111) is designed in the pole piece mounting hole so as to be convenient for connecting the pole piece and the copper bar;
a first buckle (112) is arranged on each of two sides of the lead-out pole piece mounting boss (110) and is used for mounting a high-pressure protective cover (10);
card muscle (113) have been designed to the back intermediate position of end plate (1), and both sides end plate stretches into card muscle (113) respectively to two rows of electric cores in the middle of from the centre, and the lower isolation muscle (67) that stretch out on the tray separates two rows of electric cores from it separately from the top, left side and three direction in the right side respectively, and epoxy board (14) in the middle of two rows of electric cores have played insulating effect to two rows of electric cores in addition.
7. The double-row battery cell module structure with the pressing plate according to claim 6, characterized in that:
a rectangular sinking platform (82) is designed in the middle of the upper cover plate (8) of the module and is used for being matched with a sinking platform (92) of the pressing plate (9) to limit the pressing plate;
the end plates at two ends of the upper cover plate (8) are provided with upper sunken platforms (81) which are used for being matched with the high-pressure protective cover (10) and limiting the high-pressure protective cover;
the lower surface of the upper cover plate (8) is correspondingly designed with a lower concave table according to the structural form and the wall thickness of the upper surface, so as to enhance the strength of the upper cover plate plastic part.
8. The double-row battery cell module structure with the pressing plate according to claim 7, characterized in that: the device also comprises a pressing plate (9) which is arranged on the upper surface of the module, is connected with the end plate (1) through a screw (2) and is fixed on the box body cross beam together.
9. The double-row battery cell module structure with the pressing plate according to claim 8, characterized in that:
the pressing plate (9) is made of Q235, and the structural strength of the pressing plate can be enhanced by adopting a metal plate stamping structural form;
waist-shaped convex ribs (91) are punched in the middle of the pressing plate (9), in order to reduce the weight of the pressing plate, a waist-shaped hole is formed in each waist-shaped convex rib, rectangular holes (97) are uniformly formed in gaps among the waist-shaped holes, and three weight-reducing waist-shaped holes (93) are formed in two sides of the pressing plate (9);
the four corners of the pressure plate (9) are respectively welded with a Z-shaped welding plate (94), and the Z-shaped welding plate is locally thickened to play a role in local reinforcement;
cutting a concave opening (96) at the corresponding part of each of the four corners of the pressing plate (9) to enable the electric clearance to meet the design requirement;
the four corners of the pressing plate (9) are respectively provided with an elliptical hole (95) which plays a role of facilitating the installation of the pressing plate.
10. The double-row battery cell module structure with the pressing plate according to claim 9, characterized in that:
the high-voltage protection cover (10) is further included, and after all parts of the module are installed, the high-voltage protection cover (10) is installed, so that the high-voltage protection and insulation effects are achieved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022484616.4U CN213936367U (en) | 2020-10-30 | 2020-10-30 | Double-row battery cell module structure with pressing plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022484616.4U CN213936367U (en) | 2020-10-30 | 2020-10-30 | Double-row battery cell module structure with pressing plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023149655A1 (en) * | 2022-02-07 | 2023-08-10 | 주식회사 엘지에너지솔루션 | Battery module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023149655A1 (en) * | 2022-02-07 | 2023-08-10 | 주식회사 엘지에너지솔루션 | Battery module |
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