Mounting mechanism, battery system and vehicle

Abstract

The utility model discloses a mounting mechanism, a battery system and a vehicle, in the mounting mechanism provided by the embodiment of the invention, the mounting mechanism comprises an enclosure frame and a separator, the enclosure frame is provided with an accommodating cavity, and the separator is arranged in the accommodating cavity to divide the accommodating cavity into a first mounting cavity and a second mounting cavity. In the mounting mechanism, the partition piece divides the accommodating cavity into the first mounting cavity and the second mounting cavity, the first mounting cavity is used for accommodating a distribution box, the second mounting cavity is used for accommodating a battery cell module, and the first mounting cavity can provide a larger mounting space for the distribution box.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle accessories, and in particular to a mounting mechanism, a battery system and a vehicle. Background Art

[0002] With the popularization of new energy vehicles, distribution boxes play a core role in power distribution. Distribution boxes can effectively transmit the power of battery modules to various power terminals to meet the power needs of different power terminals. In order to realize more functions and configurations of vehicles, the demand for distribution boxes in vehicles is constantly increasing, and the space required for distribution boxes is constantly increasing. However, in the installation mechanism provided by the relevant technology, the space for arranging the distribution box is limited, and the installation mechanism is not suitable for the installation of larger distribution boxes. Smaller distribution boxes are difficult to meet the power needs of vehicles. Utility Model Content

[0003] The purpose of the present application is to provide an installation mechanism, a battery system and a vehicle. In the installation mechanism, a partition separates the accommodating cavity into a first installation cavity and a second installation cavity. The first installation cavity is used to accommodate a distribution box, and the second installation cavity is used to accommodate a battery cell module. The first installation cavity can provide a larger installation space for the distribution box.

[0004] A first aspect of the present application provides an installation mechanism, which includes an enclosing frame and a partition. The enclosing frame is provided with a accommodating cavity. The partition is arranged in the accommodating cavity to separate the accommodating cavity into a first installation cavity and a second installation cavity. The first installation cavity is used to accommodate a distribution box, and the second installation cavity is used to accommodate a battery cell module.

[0005] In some embodiments, the accommodating cavity includes a first inner side surface, a second inner side surface and a third inner side surface, the first inner side surface and the third inner side surface are arranged opposite to each other, and the second inner side surface is connected between the first inner side surface and the third inner side surface; the partition includes a connecting beam and two fixed beams; the two ends of the connecting beam are respectively connected to the first inner side surface and the third inner side surface, the two fixed beams are arranged between the first inner side surface and the third inner side surface at intervals, and the two ends of the fixed beam are respectively connected to the connecting beam and the second inner side surface; the connecting beam, the two fixed beams and the second inner side surface enclose the first installation cavity, and the rest of the accommodating cavity is the second installation cavity.

[0006] In some embodiments, a cavity wall surface of the first mounting cavity is provided with a mounting protrusion, and the mounting protrusion is provided on at least two of the connecting beam and the two fixed beams.

[0007] In some embodiments, the mounting mechanism further includes a heat equalizing member, the heat equalizing member is disposed in the second mounting cavity, the heat equalizing member is provided with an avoidance groove, and the avoidance groove is opposite to and connected to the first mounting cavity along the thickness direction of the mounting mechanism.

[0008] In some embodiments, the heat equalizing member is provided with a flow channel and a joint, the joint comprising a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is connected to the liquid inlet end of the flow channel, and the liquid outlet channel is connected to the liquid outlet end of the flow channel.

[0009] In some embodiments, the mounting mechanism also includes a first support plate, which is arranged in the second mounting cavity, and the two ends of the first support plate are respectively connected to the cavity wall surface of the second mounting cavity; along the thickness direction of the mounting mechanism, the first support plate and the connecting beam clamp part of the heat equalizing member.

[0010] In some embodiments, the first support plate is provided with a connecting groove, which is opposite to and connected to the avoidance groove along the thickness direction of the mounting mechanism; the end surface of the connecting beam is convexly provided with a first connecting rib, which passes through the avoidance groove and is connected to the bottom surface of the connecting groove.

[0011] In some embodiments, a second connecting rib is protruding from the end face of the fixed beam, the second connecting rib passes through the avoidance groove and is connected to the groove side of the connecting groove; the first support plate and the fixed beam clamp the portion of the heat equalizing member.

[0012] In some embodiments, the mounting mechanism further includes a second support plate, which is disposed in the second mounting cavity, and the second support plate and the fixed beam clamp a portion of the heat equalizing member; along the length direction of the mounting mechanism, the second support plate and the first support plate are spaced apart.

[0013] In some embodiments, the second connecting rib extends along the length direction of the fixing beam, and two ends of the second supporting plate are respectively connected to the second connecting rib and the cavity wall surface of the second installation cavity.

[0014] In some embodiments, the mounting mechanism also includes a third support plate, which is arranged in the second mounting cavity, and both ends of the third support plate are respectively connected to the cavity wall surface of the second mounting cavity; along the length direction of the mounting mechanism, the third support plate, the first support plate and the second support plate are arranged in sequence.

[0015] In some embodiments, the installation mechanism further includes a connection cover assembly, the enclosure frame is further provided with an opening communicating with the accommodating cavity, and the connection cover assembly blocks the opening.

[0016] A second aspect of the present application provides a battery system, which includes a distribution box, a battery cell module and an installation mechanism provided by any one of the above embodiments, wherein the distribution box is installed in the first installation cavity, and the battery cell module is installed in the second installation cavity.

[0017] In some embodiments, the distribution box is provided with a heat sink, and the heat sink is located in the first installation cavity.

[0018] A third aspect of the present application provides a vehicle, comprising a frame and a battery system provided by any one of the above embodiments, wherein the battery system is mounted on the frame.

[0019] In the installation mechanism provided in the embodiment of the present application, the first installation cavity is used to install the distribution box, and the second installation cavity is used to install the battery module. The first installation cavity can provide a larger installation space for the distribution box, that is, the first installation cavity can provide a larger space for arranging the distribution box, which is suitable for the installation of a larger distribution box. The larger distribution box can meet the power demand of the power terminal. In addition, the assembled installation mechanism is installed on the vehicle frame. When the vehicle is in collision, extrusion or other conditions, the enclosure frame and the partition play a mechanical supporting and protective role for the distribution box and the battery module. The distribution box and the battery module are less subject to collision or extrusion forces, the power output space of the battery module is safer and more reliable, and the distribution space of the distribution box is safer and more reliable, thereby improving safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the implementation scheme are briefly introduced below.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of an installation mechanism provided in one embodiment of the present application.

[0022] Figure 2 It is a three-dimensional structural schematic diagram of a mounting mechanism provided in another embodiment of the present application.

[0023] Figure 3 yes Figure 2 Schematic diagram of the three-dimensional structural decomposition of the installation mechanism.

[0024] Figure 4 It is a schematic diagram of the planar structure of the installation mechanism provided in an embodiment of the present application.

[0025] Figure 5 It is a schematic diagram of the planar structure of the installation mechanism provided in an embodiment of the present application.

[0026] Figure 6 yes Figure 4 A partial cross-sectional view of the mounting mechanism along line AA.

[0027] Figure 7 yes Figure 4 A partial cross-sectional view of the mounting mechanism along line BB.

[0028] Figure 8 yes Figure 4 Another partial cross-sectional view of the mounting mechanism along line BB.

[0029] Fig. 9 It is a schematic diagram of the structure of the heat equalizer in the embodiment of the present application.

[0030] Fig.10 It is a schematic diagram of the three-dimensional structure decomposition of the heat equalizing element in the embodiment of the present application.

[0031] Fig.11 It is a schematic diagram of the three-dimensional structure of the battery system provided in an embodiment of the present application.

[0032] Fig.12 yes Fig.11 Schematic diagram of the three-dimensional structural decomposition of the battery system.

[0033] Fig.13 It is a schematic diagram of the partial three-dimensional structure of the vehicle provided in an embodiment of the present application.

[0034] Description of reference numerals:

[0035] 1000-battery system; 100-installation mechanism; 10-enclosing frame; 23-separator; 101-accommodating cavity; 102-first installation cavity; 1021-installation protrusion; 1022-installation surface; 103-second installation cavity; 1031-first sub-cavity; 1032-second sub-cavity; 1033-third sub-cavity; 11-first enclosure plate; 111-first inner side; 12-second enclosure plate; 121-second inner side 13-third enclosure plate; 131-third inner side surface; 14-fourth enclosure plate; 141-fourth inner side surface; 20-connecting beam; 201-first surface; 202-second surface; 203-first end surface; 21-first connecting rib; 30-fixing beam; 31-first fixing beam; 311-third surface; 312-fourth surface; 313-second end surface; 32-second fixing beam; 321-fifth surface; 322 -sixth surface; 323-third end surface; 301-second connecting rib; 40-heat equalizing member; 401-avoidance groove; 402-first heat dissipation surface; 403-second heat dissipation surface; 404-flow channel; 41-joint; 411-liquid inlet channel; 412-liquid outlet channel; 42-first sub-board; 421-first mating surface; 43-second sub-board; 431-second mating surface; 50-first support plate; 501-connection groove; 60 -second support plate; 70-third support plate; 80-connecting cover assembly; 200-distribution box; 300-battery cell module; 1021a-first mounting protrusion; 1021b-second mounting protrusion; 1021c-third mounting protrusion; 2100-frame; 4211-first groove; 4311-second groove; 81-first cover body; 82-second cover body; 83-sealing ring; 84-sealing member; 210-heat sink. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] In the description of the application, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this application includes any and all combinations of one or more related listed items.

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0040] See also Figures 1 to 3 , the embodiment of the present application provides a mounting mechanism 100. For the convenience of description, the Z-axis direction is defined as the thickness direction of the mounting mechanism 100, the Y-axis direction is defined as the width direction of the mounting mechanism 100, and the X-axis is the length direction of the mounting mechanism 100. The X-axis, Y-axis and Z-axis are perpendicular to each other. The directional words such as "up", "top", "bottom", "bottom", "left" and "right" mentioned in the description of the embodiment of the present application are described based on the directions shown in the accompanying drawings, with the positive direction of the Z-axis being "up" and "top", the negative direction of the Z-axis being "bottom" and "bottom", the positive direction of the X-axis being "right", and the negative direction of the X-axis being "left". It does not form a limitation on the mounting mechanism 100 in the actual application scenario. The "same", "equal", "consistent" or "parallel" used in this article are all allowed to have a certain tolerance.

[0041] The mounting mechanism 100 includes an enclosure frame 10 and a partition 23. The enclosure frame 10 is provided with a receiving cavity 101. The partition 23 is arranged in the receiving cavity 101 to separate the receiving cavity 101 into a first mounting cavity 102 and a second mounting cavity 103. The first mounting cavity 102 is used to accommodate the distribution box 200, and the second mounting cavity 103 is used to accommodate the battery cell module 300.

[0042] In the installation mechanism provided by the related art, a die-cast beam is provided outside the enclosure frame, and the distribution box is installed in the die-cast beam. The installation space in the die-cast beam is small, and the space for arranging the distribution box in the die-cast beam is limited, which is not suitable for the installation of a large distribution box. A small distribution box is difficult to meet the power demand of the power terminal.

[0043] In the installation mechanism 100 provided in the embodiment of the present application, the distribution box 200 is installed in the first installation cavity 102. The first installation cavity 102 can provide a larger installation space, that is, the first installation cavity 102 can provide a larger space for arranging the distribution box 200, which is suitable for the installation of a larger distribution box 200. The larger distribution box 200 can meet the power demand of the power terminal.

[0044] In the embodiment of the present application, the accommodating cavity 101 includes a first inner side surface 111, a second inner side surface 121 and a third inner side surface 131, the first inner side surface 111 and the third inner side surface 131 are arranged opposite to each other, and the second inner side surface 121 is connected between the first inner side surface 111 and the third inner side surface 131; the partition 23 includes a connecting beam 20 and two fixed beams 30; the two ends of the connecting beam 20 are respectively connected to the first inner side surface 111 and the third inner side surface 131, the two fixed beams 30 are arranged at intervals between the first inner side surface 111 and the third inner side surface 131, and the two ends of the fixed beam 30 are respectively connected to the connecting beam 20 and the second inner side surface 121; the connecting beam 20, the two fixed beams 30 and the second inner side surface 121 enclose the first installation cavity 102, and the rest of the accommodating cavity 101 is the second installation cavity 103.

[0045] According to the embodiment of the present application, the distribution box 200 is installed in the first installation cavity 102, the battery module 300 is installed in the second installation cavity 103, and then the assembled installation mechanism 100 is installed on the frame of the vehicle. When the vehicle is in a collision, extrusion or other state, the enclosing frame 10, the connecting beam 20 and the two fixed beams 30 provide mechanical support and protection for the distribution box 200. The distribution box 200 and the battery module 300 are less subject to external collision force or extrusion force. The power output space of the battery module 300 is safer and more reliable, and the distribution space of the distribution box 200 is safer and more reliable, thereby improving the safety performance.

[0046] In the embodiment of the present application, the enclosed frame 10 includes four enclosed plates, which are respectively a first enclosed plate 11, a second enclosed plate 12, a third enclosed plate 13 and a fourth enclosed plate 14. The first enclosed plate and the third enclosed plate are opposite to each other along the Y-axis direction, the second enclosed plate 12 and the fourth enclosed plate 14 are opposite to each other along the X-axis direction, and the first enclosed plate 11, the second enclosed plate 12, the third enclosed plate 13 and the fourth enclosed plate 14 are connected end to end in sequence to form the enclosed frame 10.

[0047] In other embodiments, the enclosing frame 10 may also include other numbers of enclosing panels, and the number of enclosing panels should be a positive integer greater than or equal to 3. For example, the enclosing frame 10 may include but is not limited to three, five, six or other numbers of enclosing panels, which is not limited here.

[0048] The first enclosed plate 11 includes a first inner side surface 111 and a first outer side surface, and the first inner side surface 111 and the first outer side surface of the first enclosed plate 11 are arranged opposite to each other along the thickness direction of the first enclosed plate 11, and the thickness direction of the first enclosed plate 11 is the Y-axis direction; the second enclosed plate 12 includes a second inner side surface 121 and a second outer side surface, and the second inner side surface 121 and the second outer side surface of the second enclosed plate 12 are arranged opposite to each other along the thickness direction of the second enclosed plate 12, and the thickness direction of the second enclosed plate 12 is the X-axis direction; The third enclosing plate 13 includes a third inner side surface 131 and a third outer side surface, and the third inner side surface 131 and the third outer side surface of the third enclosing plate 13 are arranged opposite to each other along the thickness direction of the third enclosing plate 13, and the thickness direction of the third enclosing plate 13 is the Y-axis direction; the fourth enclosing plate 14 includes a fourth inner side surface 141 and a fourth outer side surface, and the fourth inner side surface 141 and the fourth outer side surface of the fourth enclosing plate 14 are arranged opposite to each other along the thickness direction of the fourth enclosing plate 14, and the thickness direction of the fourth enclosing plate 14 is the X-axis direction.

[0049] The first enclosed plate 11, the second enclosed plate 12, the third enclosed plate 13 and the fourth enclosed plate 14 enclose a receiving cavity 101. The cavity wall surface of the receiving cavity 101 includes a first inner side surface 111, a second inner side surface 121, a third inner side surface 131 and a fourth inner side surface 141. The first inner side surface 111 and the third inner side surface 131 are opposite to each other along the Y-axis direction, and the second inner side surface 121 and the fourth inner side surface 141 are opposite to each other along the X-axis direction. The first inner side surface 111, the third inner side surface 131, the second inner side surface 121 and the fourth inner side surface 141 are connected end to end in sequence.

[0050] The two ends of the connecting beam 20 are respectively connected to the first inner side surface 111 and the third inner side surface 131. The connecting beam 20 includes a first surface 201 and a second surface 202, wherein the first surface 201 is opposite to the fourth inner side surface 141, and the second surface 202 is opposite to the second inner side surface 121. In other embodiments, the two ends of the connecting beam 20 are respectively connected to the second inner side surface 121 and the fourth inner side surface 141, the first surface 201 is opposite to the first inner side surface 111, and the second surface 202 is opposite to the third inner side surface 131, which is not limited here.

[0051] The two fixed beams 30 are disposed between the first surface 201 and the third inner side surface 131 at intervals, and the two fixed beams 30 are located on the same side of the connecting beam 20, and the two ends of the fixed beam 30 are respectively connected to the connecting beam 20 and the second inner side surface 121. In other embodiments, the two ends of the fixed beam 30 are respectively connected between the connecting beam 20 and the fourth inner side surface 141, which is not limited here.

[0052] More specifically, the two fixed beams 30 are respectively a first fixed beam 31 and a second fixed beam 32, the first fixed beam 31 includes a third surface 311 and a fourth surface 312, the third surface 311 and the fourth surface 312 are arranged opposite to each other along the thickness direction of the first fixed beam 31, and the second fixed beam 32 includes a fifth surface 321 and a sixth surface 322, the fifth surface 321 and the sixth surface 322 are arranged opposite to each other along the thickness direction of the second fixed beam 32.

[0053] The two ends of the first fixed beam 31 are respectively connected to the connecting beam 20 and the second inner side surface 121, and the two ends of the second fixed beam 32 are respectively connected to the connecting beam 20 and the second inner side surface 121. The first enclosure plate 11, the first fixed beam 31, the second fixed beam 32 and the third enclosure plate 13 are sequentially arranged along the Y axis, that is, the first inner side surface 111 is opposite to the third surface 311, the fourth surface 312 is opposite to the fifth surface 321, and the sixth surface 322 is opposite to the third inner side surface 131. Part of the second inner side surface 121, part of the first surface 201 of the connecting beam 20, the fourth surface 312 of the first fixed beam 31 and the fifth surface 321 of the second fixed beam 32 enclose to form the first installation cavity 102, and the other part of the accommodating cavity 101 is the second installation cavity 103.

[0054] The second mounting cavity 103 includes a first sub-cavity 1031, a second sub-cavity 1032, and a third sub-cavity 1033. The second surface 202 of the connecting beam 20, a portion of the third inner side surface 131, a portion of the fourth inner side surface 141, and a portion of the first inner side surface 111 are enclosed to form the first sub-cavity 1031. The first surface 201 of the connecting beam 20, a portion of the first inner side surface 111, a portion of the second inner side surface 121, and the third surface 311 of the first fixed beam 31 are enclosed to form the second sub-cavity 1032. The first surface 201 of the connecting beam 20, a portion of the third inner side surface 131, a portion of the second inner side surface 121, and the sixth surface 322 of the second fixed beam 32 are enclosed to form the third sub-cavity 1033.

[0055] The second installation cavity 103 is used to install the battery cell module 300, that is, the first sub-cavity 1031, the second sub-cavity 1032 and the third sub-cavity 1033 are used to install the battery cell module 300. A single battery cell module 300 can be installed in the first sub-cavity 1031, the second sub-cavity 1032 and the third sub-cavity 1033, or two or more battery cell modules 300 can be installed in the first sub-cavity 1031, the second sub-cavity 1032 and the third sub-cavity 1033, without limitation. For example, refer to Figure 1The first sub-cavity 1031 is used to install two battery modules 300, and a spacer is provided between the two battery modules 300. The spacer can not only play a role of isolation, but also be used to fix the battery module 300. The second sub-cavity 1032 is used to install one battery module 300, and the third sub-cavity 1033 is used to install one battery module 300.

[0056] In some embodiments, in combination Figures 6 to 8 The cavity wall of the first installation cavity 102 is provided with an installation protrusion 1021, and the installation protrusion 1021 is provided on at least two of the connecting beam 20 and the two fixing beams 30. The installation protrusion 1021 includes an installation surface 1022, and the distribution box 200 is fixedly connected to the above-mentioned installation surface 1022, so that the distribution box 200 is installed in the installation mechanism 100.

[0057] In the embodiment of the present application, a first mounting protrusion 1021a is provided on the first surface 201 of the connecting beam 20 in the direction toward the second inner side surface 121, and the first mounting protrusion 1021a extends along the length direction of the connecting beam 20; a second mounting protrusion 1021b is provided on the fourth surface 312 of the first fixed beam 31 in the direction toward the second fixed beam 32, and the second mounting protrusion 1021b extends along the length direction of the first fixed beam 31; a third mounting protrusion 1021c is provided on the fifth surface of the second fixed beam 32 in the direction toward the first fixed beam, and the third mounting protrusion 1021c extends along the length direction of the second fixed beam 32. The second mounting protrusion 1021b, the first mounting protrusion 1021a, and the third mounting protrusion 1021c are connected end to end in sequence.

[0058] In other embodiments, the second mounting protrusion 1021b is separately provided from the first mounting protrusion 1021a, the first mounting protrusion 1021a is separately provided from the third mounting protrusion 1021c, the second mounting protrusion 1021b and the third mounting protrusion 1021c may be directly opposite to each other, or the second mounting protrusion 1021b and the third mounting protrusion 1021c may be staggered, which is not limited here.

[0059] In other embodiments, the first surface 201 of the connecting beam 20 is provided with a first mounting protrusion 1021a in a direction toward the second inner side surface 121, and the fourth surface 312 of the first fixed beam 31 is provided with a second mounting protrusion 1021b in a direction toward the second fixed beam 32. The first mounting protrusion 1021a and the second mounting protrusion 1021b may be connected end to end, or the first mounting protrusion 1021a and the second mounting protrusion 1021b may be provided separately.

[0060] In other embodiments, the fourth surface 312 of the first fixed beam 31 is provided with a second mounting protrusion 1021b in the direction facing the second fixed beam 32, and the fifth surface of the second fixed beam 32 is provided with a third mounting protrusion 1021c in the direction facing the first fixed beam. The second mounting protrusion 1021b and the third mounting protrusion 1021c may be directly opposite to each other, or the second mounting protrusion 1021b and the third mounting protrusion 1021c may be staggered.

[0061] In other embodiments, a first mounting protrusion 1021a is provided on the first surface 201 of the connecting beam 20 in a direction toward the second inner side surface 121, and a third mounting protrusion 1021c is provided on the fifth surface of the second fixed beam 32 in a direction toward the first fixed beam. The first mounting protrusion 1021a and the third mounting protrusion 1021c can be connected end to end, or the first mounting protrusion 1021a and the third mounting protrusion 1021c can be separately provided.

[0062] In some embodiments, see Figures 2 to 5 The mounting mechanism 100 further includes a heat equalizing member 40 , which is disposed in the second mounting cavity 103 . The heat equalizing member 40 is provided with an avoidance groove 401 , which is opposite to and connected to the first mounting cavity 102 along the thickness direction of the mounting mechanism 100 .

[0063] In the embodiment of the present application, the operating temperature range of the distribution box 200 is different from the operating temperature range of the battery module 300. The battery module 300 is installed in the second installation cavity 103, and the battery module 300 is close to the heat spreader 40. The heat spreader 40 is used to adjust the temperature of the battery module 300. By setting the avoidance groove 401, the heat spreader 40 is set separately from the distribution box 200, so that the cooling of the battery module 300 and the cooling of the distribution box 200 do not overlap, so the cooling of the battery module 300 and the cooling of the distribution box 200 do not affect each other.

[0064] The heat spreader 40 includes a first heat dissipation surface 402 and a second heat dissipation surface 403, which are arranged opposite to each other along the thickness direction of the heat spreader 40, and the thickness direction of the heat spreader 40 is the Z-axis direction. The avoidance groove 401 penetrates the first heat dissipation surface 402 and the second heat dissipation surface 403 along the thickness direction of the heat spreader 40. The side surface of the heat spreader 40 is connected between the first heat dissipation surface 402 and the second heat dissipation surface 403.

[0065] Combination Figures 6 to 8The connecting beam 20 includes a first end face 203, and the first end face 203 is arranged in the negative direction of the Z axis of the connecting beam 20. The first fixed beam 31 includes a second end face 313, and the second end face 313 is arranged in the negative direction of the Z axis of the first fixed beam 31. The second fixed beam 32 includes a third end face 323, and the second end face 313 is arranged in the negative direction of the Z axis of the second fixed beam 32. The first end face 203, the second end face 313 and the third end face 323 are coplanar. In addition to the two opposite groove side faces of the avoidance groove 401 and the side face of the groove bottom face of the avoidance groove 401, the heat equalizing member 40 is fixedly connected to the cavity wall of the second installation cavity 103. The connection method between the heat equalizing member 40 and the cavity wall of the second installation cavity 103 includes but is not limited to one or more combination connections such as welding, clamping, bonding, thermal fusion, fastener connection, and sealing connection.

[0066] Along the thickness direction of the mounting mechanism 100, the first end face 203 of the connecting beam 20 is connected to a portion of the first heat dissipation surface 402 of the heat spreader 40 in a stacked manner, and the heat spreader 40 is connected to the first end face 203 of the connecting beam 20 in a manner that includes, but is not limited to, welding, clamping, bonding, thermal fusion, fastener connection, sealing connection, or one or more combination of connections, so that the heat spreader is fixedly connected to the connecting beam 20. The second end face 313 of the first fixed beam 31 is connected to a portion of the first heat dissipation surface 402 of the heat spreader 40 in a stacked manner, and the heat spreader 40 is connected to the second end face 313 of the first fixed beam 31 in a manner that includes, but is not limited to, welding, clamping, bonding, thermal fusion, fastener connection, sealing connection, or one or more combination of connections, so that the heat spreader is fixedly connected to the first fixed beam 31. The third end face 323 of the second fixed beam 32 is partially stacked with a portion of the first heat dissipation surface 402 of the heat equalizing element 40. The connection method between the third end face 323 of the heat equalizing element 40 and the second fixed beam 32 may include but is not limited to one or more combined connections such as welding, clamping, bonding, heat melting, fastener connection, and sealing connection to fix the heat equalizing element to the second fixed beam 32.

[0067] Combination Fig. 9 The heat equalizing member 40 is provided with a flow channel 404 and a joint 41 . The joint 41 includes a liquid inlet channel 411 and a liquid outlet channel 412 . The liquid inlet channel 411 is connected to the liquid inlet end of the flow channel 404 , and the liquid outlet channel 412 is connected to the liquid outlet end of the flow channel 404 .

[0068] In an embodiment of the present application, the temperature of the battery cell module 300 is higher than the first temperature threshold, the heat spreader 40 is made of a material with good thermal conductivity, and the heat of the battery cell module 300 is conducted to the fluid in the flow channel 404 through the heat spreader 40, and the fluid takes the heat away. The temperature of the battery cell module 300 is lower than or equal to the first temperature threshold, and the fluid in the flow channel 404 is conducted to the battery cell module 300 through the heat spreader 40 to keep the battery cell module 300 warm. The fluid can be a liquid such as water or glycerin, or a gas, etc., which is not limited here. The above-mentioned first temperature threshold refers to the temperature range when the battery cell module 300 is in use.

[0069] Combination Fig.10 The heat spreader 40 includes a first sub-plate 42 and a second sub-plate 43, the first sub-plate 42 and the second sub-plate 43 are stacked and connected, the first sub-plate 42 is provided with a first groove 4211 facing the second sub-plate 43, and the flow channel 404 includes the first groove 4211. Specifically, the first sub-plate 42 is provided with a first mating surface 421, the second sub-plate 43 is provided with a second mating surface 431, the first mating surface 421 and the second mating surface 431 are stacked and connected, when the first sub-plate 42 and the second sub-plate 43 are matched and connected, the first mating surface 421 and the second mating surface 431 are stacked, and the groove surface of the first groove 4211 and the second mating surface 431 enclose to form the flow channel 404.

[0070] In other embodiments, the second sub-plate 43 is provided with a second groove 4311 toward the first sub-plate 42, that is, the second mating surface 431 is provided with the second groove 4311, and the flow channel 404 includes the first groove 4211 and the second groove 4311. When the first sub-plate 42 and the second sub-plate 43 are connected together, the first mating surface 421 and the second mating surface 431 are stacked, and the groove surface of the first groove 4211 and the groove surface of the second groove 4311 are enclosed to form the flow channel 404.

[0071] The first sub-plate 42 and the second sub-plate 43 are made of a material with good thermal conductivity, preferably aluminum, zinc, nickel, iron or alloy, etc. The connection method of the first sub-plate 42 and the second sub-plate 43 may include but is not limited to welding, clamping, bonding, thermal fusion, fastener connection, sealing connection, or one or more combination of connections.

[0072] In some embodiments, see Figure 2 , Figure 3 , Figure 5 and Figure 6The mounting mechanism 100 further includes a first support plate 50, which is disposed in the second mounting cavity 103, and both ends of the first support plate 50 are connected to the cavity wall of the second mounting cavity 103, that is, one end of the first support plate 50 is connected to the first inner side surface 111 of the first enclosure plate 11, and the other end of the first support plate 50 is connected to the third inner side surface 131 of the third enclosure plate 13. Along the thickness direction of the mounting mechanism 100, the first support plate 50 and the end surface of the connecting beam 20 clamp a portion of the heat spreader 40.

[0073] Since the battery module 300 and the distribution box 200 are input and output through the copper busbar, a part of the middle part of the connecting beam 20 needs to be cut off for the copper busbar to pass through. After a part of the middle part of the connecting beam 20 is cut off, the middle part of the connecting beam 20 becomes a weak position. After the installation mechanism 100 is squeezed by the applied external force, the middle part of the connecting beam 20 is most severely deformed. If the shear force on the connecting beam 20 is too large, it is very likely to cause the connecting beam 20 to break. Therefore, the first support plate 50 is provided, which can not only increase the strength of the connecting beam 20, thereby enhancing the strength of the installation mechanism 100, and further improve the safety performance of the installation mechanism 100, but also play a role in supporting the heat spreader 40.

[0074] In some embodiments, the first support plate 50 is provided with a connecting groove 501, which is opposite to and connected to the avoidance groove 401 along the thickness direction of the mounting mechanism 100; the end face of the connecting beam 20 is convexly provided with a first connecting rib 21, which passes through the avoidance groove 401 and is connected to the bottom surface of the connecting groove 501.

[0075] Specifically, the first support plate 50 includes a first support surface and a first bottom surface, the first support surface and the first bottom surface are arranged opposite to each other along the thickness direction of the first support plate 50, and the connection groove 501 runs through the first support plate 50 and the first bottom surface. The side of the connection groove 501 is connected between the first support surface and the first bottom surface. The first end surface 203 of the connecting beam 20 is convexly provided with a first connection rib 21, and the side of the heat spreader 40 is in contact with the first connection rib 21. More specifically, the bottom surface of the avoidance groove 401 is in contact with the first connection rib 21, and the first connection rib 21 is in contact with and connected to the bottom surface of the connecting groove 501, thereby further strengthening the connection reliability between the first support plate 50 and the connecting beam 20, and the first support plate 50 and the enclosure frame 10. The connection method between the first connection rib 21 and the bottom surface of the connecting groove 501, and the connection method between the first connection rib 21 and the heat spreader 40 may include but is not limited to one or more combined connections such as welding, clamping, bonding, thermal fusion, fastener connection, and sealing connection.

[0076] Combination Figure 7 and Figure 8The end surface of the fixed beam 30 is convexly provided with a second connecting rib 301, which passes through the avoidance groove 401 and is connected to the groove side of the connecting groove 501. Along the thickness direction of the mounting mechanism 100, the first support plate 50, the heat spreader 40 and the fixed beam 30 are stacked and connected, and the first support plate 50 and the fixed beam 30 clamp a portion of the heat spreader 40.

[0077] In the embodiment of the present application, there are two second connecting ribs 301, one of which is provided on the first fixed beam 31, and the other second connecting rib 301 is provided on the second fixed beam 32. Specifically, one of the second connecting ribs 301 is convexly provided on the second end surface 313 of the first fixed beam 31, and the side surface of the heat spreader 40 is in contact with and connected to the second connecting rib 301. More specifically, one of the side surfaces of the avoidance groove 401 is in contact with and connected to the second connecting rib 301, and the second connecting rib 301 is in contact with and connected to the side surface of the connecting groove 501, so as to further enhance the connection reliability between the first support plate 50 and the first fixed beam 31. Another second connecting rib 301 is convexly arranged on the third end surface 323 of the second fixed beam 32, and the side surface of the heat spreader 40 is in contact with and connected to the second connecting rib 301. More specifically, one of the groove sides of the avoidance groove 401 is in contact with and connected to the second connecting rib 301, and the second connecting rib 301 is in contact with and connected to the groove side surface of the connecting groove 501, further enhancing the connection reliability between the first support plate 50 and the second fixed beam 32. The connection method of the second connecting rib 301 and the groove side surface of the connecting groove 501, and the connection method of the second connecting rib 301 and the heat spreader 40 may include but is not limited to one or more combined connections such as welding, clamping, bonding, thermal fusion, fastener connection, and sealing connection.

[0078] According to the embodiment of the present application, the first support plate 50 is fixedly connected to the first connecting rib 21 and the second connecting rib 301 to enhance the connection strength, thereby reducing the processing process of the heat spreader 40 and reducing the component costs of the heat spreader 40.

[0079] In some embodiments, see Figure 2 , Figure 3 and Figures 5 to 8 The mounting mechanism 100 further includes a second support plate 60, which is disposed in the second mounting cavity 103; the second support plate 60, the heat spreader 40 and the fixed beam 30 are stacked and connected, and the second support plate 60 and the fixed beam 30 clamp a portion of the heat spreader 40. Along the length direction of the mounting mechanism 100, the second support plate 60 is spaced apart from the first support plate 50. The second support plate 60 can be provided to further support the heat spreader 40 and further strengthen the connection strength of the mounting mechanism 100.

[0080] The second connecting rib 301 extends along the length direction of the fixed beam 30, and the two ends of the second support plate 60 are respectively connected to the second connecting rib 301 and the cavity wall of the second installation cavity 103. In the embodiment of the present application, there are two second support plates 60 and two second connecting ribs 301, one of which extends along the length direction of the first fixed beam 31, and the other second connecting rib 301 extends along the length direction of the second fixed beam 32. The two ends of one of the second support plates 60 are respectively connected to the second connecting rib 301 of the first fixed beam 31 and the first inner side surface 111 of the first enclosure plate 11, and the side of the second support plate 60 facing the fourth enclosure plate 14 is connected to the second inner side surface 121, further strengthening the connection reliability between the second support plate 60 and the first fixed beam 31, and the second support plate 60 and the enclosure frame 10. The two ends of the other second support plate 60 are respectively connected to the second connection rib 301 of the second fixed beam 32 and the third inner side surface 131 of the third enclosing plate 13, and the side of the second support plate 60 facing the fourth enclosing plate 14 is connected to the second inner side surface 121, further strengthening the connection reliability between the second support plate 60 and the second fixed beam 32, and between the second support plate 60 and the enclosing frame 10. In addition, two second support plates 60 are provided, each of which has a short length, and the welding length of each second support plate 60 is reduced, thereby improving the overall strength.

[0081] In some embodiments, see Figure 2 , Figure 3 and Figure 5 The mounting mechanism 100 further includes a third support plate 70, which is disposed in the second mounting cavity 103. Both ends of the third support plate 70 are respectively connected to the cavity wall of the second mounting cavity 103. Along the length direction of the mounting mechanism 100, the third support plate 70, the first support plate 50 and the second support plate 60 are sequentially arranged at intervals. The third support plate 70 can be provided to further support the heat spreader 40 and further strengthen the connection strength of the mounting mechanism 100.

[0082] The third support plate 70 and the heat spreader 40 are stacked along the thickness direction of the mounting mechanism 100, that is, the third support plate 70 is stacked on the second heat dissipation surface 403 of the heat spreader 40. Specifically, two ends of the third support plate 70 are respectively connected to the first inner side surface 111 of the first enclosure plate 11 and the third inner side surface 131 of the third enclosure plate 13, and the side of the third support plate 70 facing away from the first support plate 50 is connected to the fourth inner side surface 141, so as to further enhance the connection reliability between the third support plate 70 and the enclosure frame 10.

[0083] In some embodiments, see Figure 2 , Fig.11 and Fig.12The installation mechanism 100 further includes a connection cover assembly 80. The enclosure frame 10 is further provided with an opening communicating with the accommodating cavity 101. The connection cover assembly 80 blocks the opening. The provision of the connection cover assembly can improve the waterproof and dustproof performance of the installation mechanism 100, and is beneficial to protecting the distribution box 200 and the battery module 300.

[0084] In the embodiment of the present application, the opening includes a first opening and a second opening, and the first opening, the accommodating cavity 101, and the second opening are sequentially arranged along the thickness direction of the mounting mechanism 100, wherein the first opening is arranged in the positive direction of the Z axis, and the second opening is arranged in the negative direction of the Z axis. The connecting cover assembly 80 includes a first cover body 81 and a second cover body 82, wherein the first cover body 81 detachably covers the first opening of the enclosing frame 10, and the second cover body 82 covers the second opening of the enclosing frame 10. The first cover body 81 is fixedly connected to the enclosing frame 10 by fasteners, and the fasteners include but are not limited to bolts, screws, rivet nuts, etc. The second cover body 82 is fixedly connected to the enclosing frame 10 by fasteners, and the fasteners include but are not limited to bolts, screws, rivet nuts, etc.

[0085] In some embodiments, the mounting mechanism 100 further includes a sealing ring 83 , which is disposed on the circumference of the first cover body 81 , and can further improve the waterproof and dustproof function of the mounting mechanism 100 .

[0086] In some embodiments, the first cover 81 is provided with an operation hole, and the maintenance cover is detachably provided at the operation hole. The operation hole is provided to facilitate inspection and maintenance of the distribution box 200 and the battery module 300. In addition, the operation hole is provided to avoid the sealing ring 83 for disassembly and assembly, and the operation is convenient.

[0087] In some embodiments, the mounting mechanism 100 further includes a seal 84, which is disposed in the second mounting cavity 103. The battery module 300, the seal 84, and the second cover 82 are stacked in the thickness direction of the mounting mechanism 100. The seal 84 can further improve the waterproof and dustproof function of the mounting mechanism 100, prevent the battery module 300 from short-circuiting due to contact with liquid or dust, and extend the service life of the battery module 300.

[0088] The embodiment of the present application also provides a processing method of the mounting mechanism 100, and the processing method is as follows:

[0089] The first step: weld the first enclosing plate 11 , the second enclosing plate 12 , the third enclosing plate 13 , and the fourth enclosing plate 14 to form an enclosing frame 10 , and weld the connecting beam 20 and two fixing beams 30 to the cavity wall surface of the accommodating cavity 101 of the enclosing frame 10 .

[0090] Step 2: Check the above welds to see if they meet the airtightness requirements.

[0091] Step 3: After the non-friction stir welding area of ​​the connecting beam 20 is coated with structural adhesive, the heat spreader 40 is assembled with the tooling that has been welded in the first step, and the assembled tooling is subjected to friction stir welding.

[0092] Step 4: Perform air tightness test on the tooling that has been welded in step 3 to check whether the weld sealing effect of the stir friction welding part meets the air tightness test.

[0093] Step 5: Place the first support plate 50 , two second support plates 60 , and the third support plate 70 in the second installation cavity 103 , and then weld the first support plate 50 , two second support plates 60 , and the third support plate 70 . Note that the welding part must not affect the sealing of the flow channel 404 of the heat equalizing member 40 .

[0094] Step 6: Perform air tightness test on the tooling welded in step 5, and perform air tightness test on the flow channel 404 of the heat spreader 40 .

[0095] Step 7: Install the distribution box 200 in the first installation cavity 102 , and install the battery cell module 300 in the second installation cavity 103 .

[0096] Step 8: Fix the first cover 81 to one side of the enclosure frame 10 by means of rivet nuts, and fix the second cover 82 to the other side of the enclosure frame 10 by means of fixing bolts.

[0097] See also Figure 2 and Fig.12 , an embodiment of the present application provides a battery system 1000, the battery system 1000 includes an installation mechanism 100, a distribution box 200 and a battery cell module 300. The distribution box 200 can be installed in the first installation cavity 102, and the battery cell module 300 can be installed in the second installation cavity 103. The battery cell module 300 is connected to the distribution box 200, and the distribution box 200 can effectively transmit the electric energy of the battery cell module 300 to each power terminal to meet the power demand of different power terminals. The battery system 1000 can also supply power to aircraft, ships, energy storage cabinets or other equipment, which is not limited by the embodiments of the present application.

[0098] The distribution box 200 is provided with a heat sink 210 , which is fixedly connected to the distribution box 200 . The heat sink 210 is located in the first installation cavity 102 . More specifically, the heat sink 210 is located between the installation protrusion 1021 and the distribution box 200 . The distribution box 200 is fixedly connected to the installation protrusion 1021 through the heat sink 210 .

[0099] By providing the heat sink 210 , the heat sink 210 and the heat spreader 40 are separately provided, so that the cooling of the cell module 300 and the cooling of the distribution box 200 do not overlap, and thus the cooling of the cell module 300 and the cooling of the distribution box 200 do not affect each other.

[0100] In the embodiment of the present application, the temperature of the distribution box 200 is higher than the second temperature threshold, and the heat of the distribution box 200 is taken away by the heat sink 210. The second temperature threshold refers to the temperature range when the distribution box 200 is in use.

[0101] See also Figure 1 and Fig.13 , the embodiment of the present application also provides a vehicle, the vehicle includes a frame 2100 and a battery system 1000 provided by any of the above embodiments. Since the vehicle adopts the battery system 1000 provided by any of the above embodiments, the vehicle is suitable for the installation of a larger distribution box 200, and the distribution box 200 can effectively transmit the electric energy of the battery module 300 to each power terminal to meet the power demand of different power terminals. For example, the battery system 1000 can be used to power the vehicle's controller, and the battery system 1000 can also be used to power the vehicle's central control display screen or the vehicle's audio and other equipment, which is not limited by the embodiment of the present application.

[0102] The embodiments of the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea.

Claims

1. A mounting mechanism, characterized in that: The installation mechanism includes an enclosure frame and a partition. The enclosure frame is provided with a receiving cavity. The partition is arranged in the receiving cavity to separate the receiving cavity into a first installation cavity and a second installation cavity. The first installation cavity is used to receive a distribution box, and the second installation cavity is used to receive a battery cell module.

2. The mounting mechanism according to claim 1, characterized in that: The accommodating cavity comprises a first inner side surface, a second inner side surface and a third inner side surface, the first inner side surface and the third inner side surface are arranged opposite to each other, and the second inner side surface is connected between the first inner side surface and the third inner side surface; The partition comprises a connecting beam and two fixing beams; two ends of the connecting beam are respectively connected to the first inner side surface and the third inner side surface, the two fixing beams are arranged between the first inner side surface and the third inner side surface, and two ends of the fixing beam are respectively connected to the connecting beam and the second inner side surface; The connecting beam, the two fixing beams and the second inner side surface enclose the first installation cavity, and the rest of the accommodating cavity is the second installation cavity.

3. The mounting mechanism according to claim 2, characterized in that: A cavity wall surface of the first installation cavity is provided with an installation protrusion, and the installation protrusion is provided on at least two of the connecting beam and the two fixed beams.

4. The mounting mechanism according to claim 3, characterized in that: The mounting mechanism further comprises a heat equalizing member, the heat equalizing member is arranged in the second mounting cavity, the heat equalizing member is provided with an avoidance groove, and the avoidance groove is opposite to and communicated with the first mounting cavity along the thickness direction of the mounting mechanism.

5. The mounting mechanism according to claim 4, characterized in that: The heat equalizing member is provided with a flow channel and a joint, wherein the joint comprises a liquid inlet channel and a liquid outlet channel, wherein the liquid inlet channel is connected to the liquid inlet end of the flow channel, and the liquid outlet channel is connected to the liquid outlet end of the flow channel.

6. The mounting mechanism according to claim 4, characterized in that: The mounting mechanism also includes a first support plate, which is arranged in the second mounting cavity, and the two ends of the first support plate are respectively connected to the cavity wall surface of the second mounting cavity; along the thickness direction of the mounting mechanism, the first support plate and the connecting beam clamp part of the heat equalizing member.

7. The mounting mechanism according to claim 6, characterized in that: The first support plate is provided with a connecting groove, which is opposite to and connected to the avoidance groove along the thickness direction of the mounting mechanism; the end surface of the connecting beam is convexly provided with a first connecting rib, which passes through the avoidance groove and is connected to the bottom surface of the connecting groove.

8. The mounting mechanism according to claim 7, characterized in that: A second connecting rib is convexly provided on the end surface of the fixed beam, and the second connecting rib passes through the avoidance groove and is connected to the groove side surface of the connecting groove; the first support plate and the fixed beam clamp the portion of the heat equalizing member.

9. The mounting mechanism according to claim 8, characterized in that: The mounting mechanism further includes a second support plate, which is disposed in the second mounting cavity, and the second support plate and the fixed beam clamp a portion of the heat spreader; along the length direction of the mounting mechanism, the second support plate is spaced apart from the first support plate.

10. The mounting mechanism according to claim 9, characterized in that: The second connecting rib extends along the length direction of the fixing beam, and two ends of the second supporting plate are respectively connected to the second connecting rib and the cavity wall surface of the second installation cavity.

11. The mounting mechanism according to claim 9, characterized in that: The mounting mechanism also includes a third support plate, which is arranged in the second mounting cavity, and both ends of the third support plate are respectively connected to the cavity wall surface of the second mounting cavity; along the length direction of the mounting mechanism, the third support plate, the first support plate and the second support plate are arranged in sequence.

12. The mounting mechanism according to any one of claims 1 to 11, characterized in that: The installation mechanism further includes a connection cover assembly, the enclosure frame is further provided with an opening communicating with the accommodating cavity, and the connection cover assembly blocks the opening.

13. A battery system, characterized in that: The battery system includes a distribution box, a battery cell module, and the installation mechanism according to any one of claims 1 to 12, the distribution box is installed in the first installation cavity, and the battery cell module is installed in the second installation cavity.

14. The battery system according to claim 13, characterized in that: The distribution box is provided with a heat sink, and the heat sink is located in the first installation cavity.

15. A vehicle, characterized in that: The vehicle comprises a frame and a battery system as claimed in claim 13 or 14, wherein the battery system is mounted on the frame.

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