CN112670630A

CN112670630A - Battery box device and battery box system

Info

Publication number: CN112670630A
Application number: CN201910976350.4A
Authority: CN
Inventors: 覃国审; 王云飞; 柳海龙
Original assignee: Shenzhen Racern Technology Co ltd
Current assignee: Shenzhen Racern Technology Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2021-04-16

Abstract

The invention relates to a battery box device and a battery box system, wherein the battery box device comprises a rack and a plurality of battery boxes, the battery boxes are detachably inserted into the rack, the plurality of battery boxes are sequentially and independently arranged along the height direction of the rack, each battery box is provided with a bolt, a limiting hole is formed in the first side of the length direction of the rack, and the bolts can be matched with the limiting holes to guide the battery boxes to be inserted and installed relative to the rack; a plurality of limiting holes are formed in the first side of the rack in the length direction, and the bolts of the battery boxes correspond to the limiting holes one to one respectively. Above-mentioned battery box device, bolt can cooperate with spacing hole to can lead to inserting of battery box relative frame and establishing the installation, make operating personnel carry out the application of force to the battery box towards the one end of self and can accurately remove the battery box and install the preset position to the frame in, and needn't adjust the position of battery box in the frame, improve the packaging efficiency between battery box and the frame greatly.

Description

Battery box device and battery box system

Technical Field

The invention relates to the technical field of energy storage batteries, in particular to a battery box and a battery box system.

Background

The traditional battery box device comprises a rack and a plurality of battery boxes inserted in the rack, and the battery boxes are heavy in weight, so that the battery boxes are easily moved up and down or left and right relative to the rack in the process of being inserted and installed in the rack, and the battery boxes cannot be accurately inserted and installed at preset positions in the rack, so that the low assembling efficiency between the battery boxes and the rack is caused.

Disclosure of Invention

In view of the above, it is desirable to provide a battery box device and a battery box system capable of improving the assembly efficiency between a battery box and a rack.

A battery case apparatus comprising:

a frame; and

the battery boxes are detachably inserted into the rack and comprise a plurality of battery boxes, the plurality of battery boxes are sequentially and independently arranged along the height direction of the rack, each battery box is provided with a bolt, a limiting hole is formed in the first side of the rack in the length direction, and the bolts can be matched with the limiting holes to guide the battery boxes to be inserted and installed relative to the rack; the first side of frame length direction is equipped with a plurality ofly spacing hole, a plurality of the bolt of battery box respectively with a plurality of spacing hole one-to-one.

In one embodiment, the rack comprises:

a frame;

the support assembly is arranged in the frame and used for bearing the battery box which is detachably inserted in the frame; and

the base plate is located frame length direction's first side, be equipped with on the base plate spacing hole, the frame includes a plurality of supporting component and a plurality of the base plate, it is a plurality of the supporting component is followed the direction of height interval of frame set up in the frame, and will the internal partitioning of frame becomes a plurality of holding that are used for the installation cavity of battery box, the base plate is located the one end of installation cavity, it is a plurality of the base plate respectively with a plurality of the installation cavity one-to-one, it is a plurality of the spacing hole of base plate respectively with a plurality of the bolt one-to-one of battery box.

In one embodiment, the support assembly comprises a support frame and a spherical support, the support frame is arranged in the frame, and the support frame is used for bearing the battery box which is detachably inserted in the frame; the spherical support piece is arranged on the support frame in a protruding mode, and can be in point contact with the battery box to enable a gap to be formed between the battery box and the support frame, so that the contact area between the battery box and the support frame is reduced, and friction force between the battery box and the support frame in the process that the battery box is movably installed on the support frame is reduced.

In one embodiment, the rack further comprises a barrier member, and the barrier member is disposed on the second side of the frame in the length direction and is located between any two adjacent mounting cavities, so that the mounting cavities are independent from each other and do not interfere with each other.

In one embodiment, the base board is further provided with an auxiliary connector, and the battery box further comprises an integrated connector, wherein the auxiliary connector is used for butting with the integrated connector of the battery box to form an electric connection when the battery box is installed in the frame.

In one embodiment, the rack further includes a conductive connecting body connected between the auxiliary connectors of any two adjacent base boards, so that the battery boxes are connected in series when the battery boxes are inserted into the frame.

In one embodiment, the battery box further comprises a box body and a battery core, the box body is detachably inserted into the rack, the box body comprises a first end and a second end which are arranged oppositely, when the box body is installed in the rack, the first end of the box body is exposed out of the rack, and the second end of the box body extends into the rack; the first end of the box body is detachably and fixedly connected with the second side of the rack in the length direction; the battery cell is arranged in the box body, the bolt is convexly arranged at the second end of the box body, and the bolt can be matched with the limiting hole to limit the second end of the box body to move relative to the rack and guide the box body to be inserted into the rack for installation.

In one embodiment, the battery box includes a plurality of the battery cells, and the battery cells are sequentially arranged in series in the box body.

In one embodiment, the battery box further includes a connecting member, and the connecting member is connected between any two adjacent battery cells, so that the battery cells are connected in series.

A battery box system comprises a plurality of battery box devices.

Above-mentioned battery box device, because the battery box has the bolt, frame length direction's first side is equipped with spacing hole, the bolt can cooperate with spacing hole, thereby can establish the installation to inserting of the relative frame of battery box and lead, make operating personnel carry out the application of force to the battery box towards the one end of self and can accurately remove the preset position of installation to the frame in with the battery box, and needn't adjust the position of battery box in the frame, improve the packaging efficiency between battery box and the frame greatly.

And, in this scheme, because battery box detachably inserts and locates in the frame, and a plurality of battery boxes set up along the direction of height of frame independently in proper order, consequently when the battery box goes wrong and needs to maintain, operating personnel can detach the battery box that goes wrong and need to maintain from the frame alone and carry out follow-up maintenance, and needn't will close on all other battery boxes of this battery box that goes wrong and need to maintain and dismantle, thereby greatly reduced the maintenance work load of battery box device, the maintenance convenience of battery box device has been promoted greatly, simultaneously through setting gradually a plurality of battery boxes in the frame along the direction of height of frame can effectively practice thrift the occupation space of battery box in the frame width direction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a battery box system according to an embodiment;

FIG. 2 is a schematic diagram of a battery box assembly according to an embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic diagram of a battery box according to an embodiment;

FIG. 5 is a partial schematic structural view of the battery box shown in FIG. 4;

FIG. 6 is another partial schematic view of the battery box of FIG. 4;

FIG. 7 is a schematic diagram of a rack according to an embodiment;

FIG. 8 is a schematic view of a portion of the frame of FIG. 7;

FIG. 9 is a schematic view of the support assembly of the frame of FIG. 7;

FIG. 10 is a partial schematic structural view of the support assembly shown in FIG. 9;

fig. 11 is a partial structural view of the battery box assembly shown in fig. 2;

fig. 12 is a schematic structural view of the battery box assembly shown in fig. 2 from another perspective;

FIG. 13 is a schematic view of a portion of the battery box system of FIG. 1;

fig. 14 is a schematic diagram of another perspective view of the battery box system shown in fig. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, a battery box system 10 in one embodiment includes a plurality of battery box devices 11, wherein the plurality of battery box devices 11 are sequentially arranged side by side; in this embodiment, the battery box devices 11 include two battery box devices 11, and the two battery box devices 11 are arranged side by side, it is understood that in other embodiments, the number of the battery box devices 11 may be more than three, and the specific arrangement mode may be reasonably selected according to actual situations.

As shown in fig. 2, in an embodiment, the battery box apparatus 11 includes a frame 100 and a plurality of battery boxes 200, the battery boxes 200 are detachably inserted into the frame 100, the plurality of battery boxes 200 are provided in a plurality, and the plurality of battery boxes 200 are sequentially and independently arranged along a height direction of the frame 100.

Because the battery box 200 is detachably inserted into the rack 100, and the plurality of battery boxes 200 are sequentially and independently arranged along the height direction of the rack 100, when the battery box 200 has a problem and needs to be maintained, an operator can separate the battery box 200 having the problem and needs to be maintained from the rack 100 for subsequent maintenance, and does not need to disassemble all other battery boxes 200 close to the battery box 200 having the problem and needs to be maintained, so that the maintenance workload of the battery box device 11 is greatly reduced, the maintenance convenience of the battery box device 11 is greatly improved, and meanwhile, the occupied space of the battery box 200 in the width direction of the rack 100 can be effectively saved by sequentially arranging the plurality of battery boxes 200 in the rack 100 along the height direction of the rack 100.

Specifically, in the present embodiment, the racks 100 of the battery box devices 11 are arranged side by side in sequence. As shown in fig. 2, for convenience of understanding, in the present embodiment, the length direction, the width direction, and the height direction of the rack 100 are defined as the linear directions in which the X axis, the Y axis, and the Z axis are located, respectively.

In the present embodiment, the battery box device 11 includes four battery boxes 200, and the four battery boxes 200 are independently arranged in sequence along the height direction of the rack 100; it is understood that in other embodiments, the number of the battery boxes 200 arranged in the battery box apparatus 11 may be two, three, or more than five, and the specific arrangement mode may be reasonably selected according to actual situations.

As shown in fig. 3, further, in an embodiment, the battery box 200 has a plug 210, a first side of the rack 100 in the length direction is provided with a limiting hole 110, and the plug 210 can cooperate with the limiting hole 110 to guide the insertion installation of the battery box 200 relative to the rack 100; in an embodiment, a plurality of limiting holes 110 are disposed on a first side of the rack 100 in the length direction, and the pins 210 of the plurality of battery boxes 200 correspond to the plurality of limiting holes 110 one to one.

Because the battery box 200 is provided with the bolt 210, the first side of the length direction of the rack 100 is provided with the limiting hole 110, and the bolt 210 can be matched with the limiting hole 110, so that the battery box 200 can be guided to be inserted and installed relative to the rack 100, an operator can accurately move and install the battery box 200 to a preset position in the rack 100 by applying force to one end of the battery box 200 facing to the operator, the position of the battery box 200 in the rack 100 does not need to be adjusted, and the assembly efficiency between the battery box 200 and the rack 100 is greatly improved.

As shown in fig. 4 and fig. 5, further, in an embodiment, the battery box 200 further includes a box body 220 and a battery cell 230, the box body 220 is detachably inserted into the rack 100, the box body 220 includes a first end 221 and a second end 222 that are oppositely disposed, when the box body 220 is installed in the rack 100, the first end 221 of the box body 220 is exposed outside the rack 100, and the second end 222 of the box body 220 extends into the rack 100; the first end 221 of the box 220 is detachably and fixedly connected with the second side of the rack 100 in the length direction; the battery cell 230 is disposed in the box 220, the plug 210 is disposed at the second end 222 of the box 220 in a protruding manner, specifically, the plug 210 partially extends into the box 220, the plug 210 is fixedly connected to the second end 222 of the box 220 through a threaded fastener, and the plug 210 can be matched with the limiting hole 110 to limit the movement of the second end 222 of the box 220 relative to the rack 100 and guide the insertion installation of the box 220 relative to the rack 100.

In the battery box 200, the first end 221 of the box body 220 is detachably and fixedly connected with the second side of the rack 100 in the length direction, the bolt 210 is convexly arranged at the second end 222 of the box body 220, and the bolt 210 can be matched with the limiting hole 110 at the first side of the rack 100 in the length direction, so that the movement of the second end 222 of the box body 220 relative to the rack 100 can be limited, the second end 222 of the box body 220 is prevented from moving relative to the rack 100, and the stable connection between the battery box 200 and the rack 100 is ensured; meanwhile, the plug 210 and the limiting hole 110 are matched with each other, so that the box 220 can be inserted and installed in the rack 100 in a guiding manner, an operator can apply force to one end (the first end 221 of the box 220) of the battery box 200 facing the operator to accurately move and install the box 220 of the battery box 200 to a preset position in the rack 100, the position of the box 220 of the battery box 200 in the rack 100 does not need to be adjusted, and the assembly efficiency between the battery box 200 and the rack 100 is greatly improved.

As shown in fig. 6, in an embodiment, the battery box 200 includes a plurality of pins 210, and the plurality of pins 210 are spaced apart from each other at the second end 222 of the box 220. Further, a plurality of limiting holes 110 corresponding to the plurality of bolts 210 of each battery box 200 are disposed on a first side of the rack 100 in the length direction, so as to improve the guiding performance of the insertion installation of the box 220 relative to the rack 100. In this embodiment, the battery box 200 includes two bolts 210, the two bolts 210 are disposed at the second end 222 of the box 220 at intervals, and a plurality of limiting holes 110 corresponding to the two bolts 210 of each battery box 200 are disposed on the first side of the rack 100 in the length direction; it is understood that in other embodiments, the specific number and arrangement of the pins 210 and the limiting holes 110 can be chosen according to practical situations.

As shown in fig. 5 and fig. 6, in an embodiment, the battery box 200 includes a plurality of battery cells 230, and the battery cells 230 are sequentially arranged in series in the box 220. In this embodiment, the battery box 200 includes two battery cells 230, and the two battery cells 230 are sequentially connected in series and disposed in the box 220; it is understood that, in other embodiments, the number of the battery cells 230 arranged in the battery box 200 may be one or more than three, and the specific arrangement mode may be reasonably selected according to actual situations. Further, the battery box 200 further includes a connecting member 240, and the connecting member 240 is connected between any two adjacent battery cells 230, so that the plurality of battery cells 230 are connected in series.

As shown in fig. 5 and fig. 6, the battery box 200 further includes an integrated connector 250, where the integrated connector 250 is disposed at the second end 222 of the box 220 and electrically connected to the battery cell 230, and the integrated connector 250 is used to electrically connect the battery cell 230 with an external device. Compared with the conventional power distribution mode in which cables are arranged at the first end 221 of the box 220 (the end of the box 220 exposed out of the rack 100 when the box 220 is installed in the rack 100), the integrated plug connector 250 is arranged at the second end 222 of the box 220 (the end of the box 220 extending into the rack 100 when the box 220 is installed in the rack 100), so that on one hand, the battery cells 230 of the battery box 200 can be easily and reliably electrically connected with external equipment, and meanwhile, the workload of cable arrangement during maintenance of the battery box 200 can be reduced, so that maintenance of the battery box 200 is facilitated, and the problem that the whole battery box 200 is messy and not attractive due to the fact that the cables are exposed at the first end 221 of the box 220 can be eliminated.

In an embodiment, the integrated connector 250 partially extends into the box 220, the battery box 200 further includes a conductive member 260, the conductive member 260 is accommodated in the box 220, and two ends of the conductive member 260 are respectively connected to the battery cell 230 and the integrated connector 250, so that the battery cell 230 is electrically connected to the integrated connector 250.

As shown in fig. 5 and fig. 6, in an embodiment, the battery cell 230 includes a positive power connection portion 232 and a negative power connection portion 234, the integrated connector 250 includes a positive connector 252 and a negative connector 254, the conductive member 260 includes a positive conductive member 262 and a negative conductive member 264, two ends of the positive conductive member 262 are respectively connected to the positive power connection portion 232 and the positive connector 252, and two ends of the negative conductive member 264 are respectively connected to the negative power connection portion 234 and the negative connector 254, so that the battery cell 230 is electrically connected to the integrated connector 250. In the present embodiment, one end of the positive conductive member 262, which is away from the positive connector 252 of the integrated connector 250, is connected to the positive connecting part 232 of the frontmost cell 230 of the plurality of cells 230, and one end of the negative conductive member 264, which is away from the negative connector 254 of the integrated connector 250, is connected to the negative connecting part 234 of the endmost cell 230 of the plurality of cells 230.

It should be noted that, in one embodiment, the first end 221 of the box 220 is detachably and fixedly connected to the second side of the rack 100 along the length direction by a threaded fastener. As shown in fig. 4, in an embodiment, the battery box 200 further includes a hanging lug 270, the hanging lug 270 is disposed on two sides of the first end 221 of the box body 220, a fixing hole 272 is disposed on the hanging lug 270, and a threaded fastener is disposed through the fixing hole 272 and is matched with the second side of the rack 100 in the length direction, so that the first end 221 of the box body 220 is fixedly connected with the second side of the rack 100 in the length direction.

As shown in fig. 4, in an embodiment, the battery box 200 further includes a handle 280 for facilitating the application of an external force for removing the box 220 from the rack 100, the handle 280 is disposed at the first end 221 of the box 220, and in particular, the handle 280 is rotatably disposed at the first end 221 of the box 220.

As shown in fig. 5 and fig. 6, in an embodiment, the battery box 200 further includes a detection unit 290, the detection unit 290 is disposed in the box 220 and electrically connected to the battery cell 230, the detection unit 290 is configured to collect a power supply parameter of the battery cell 230, and in an embodiment, the power supply parameter of the battery cell 230 includes at least one of a temperature, a current, and a voltage of the battery cell 230.

As shown in fig. 4, the box 220 further includes a top plate 223, a bottom plate 224, a first side plate 225, a second side plate 226, a third side plate 227 and a fourth side plate 228, the top plate 223 is disposed opposite to the bottom plate 224, the first side plate 225 is disposed opposite to the second side plate 226 and is disposed between the top plate 223 and the bottom plate 224, the third side plate 227 is disposed opposite to the fourth side plate 228 and is disposed between the top plate 223 and the bottom plate 224, the top plate 223, the bottom plate 224, the first side plate 225, the second side plate 226, the third side plate 227 and the fourth side plate 228 enclose and form a closed cavity for accommodating the battery cell 230, the handle 280 is rotatably disposed on the first side plate 225, the plug 210 is protruded on the second side plate 226, and the integrated plug 250 is disposed on the second side plate 226.

As shown in fig. 7 and 8, in an embodiment, the rack 100 includes a frame 110, a supporting assembly 130, and a base plate 120, specifically, the box 220 is detachably inserted into the frame 110, when the box 220 is installed in the frame 110, a first end 221 of the box 220 is exposed out of the frame 110, and a second end 222 of the box 220 extends into the frame 110; the first end 221 of the box 220 is detachably and fixedly connected with the second side of the frame 110 in the length direction, and more specifically, the first end 221 of the box 220 is detachably and fixedly connected with the second side of the frame 110 in the length direction through a threaded fastener.

It should be noted that, in the present embodiment, the length direction, the width direction and the height direction of the frame 110 are the same as those of the rack 100, that is, the length direction, the width direction and the height direction of the frame 110 are the linear directions of the X axis, the Y axis and the Z axis respectively.

Further, the supporting assembly 130 is disposed in the frame 110, specifically, the supporting assembly 130 is disposed on two opposite inner sidewalls of the frame 110 in the width direction, the supporting assembly 130 is used for bearing the battery box 200 detachably inserted in the frame 110 to enhance the installation stability of the battery box 200 in the rack 100, and specifically, the supporting assembly 130 is used for bearing the box 220 of the battery box 200 detachably inserted in the frame 110.

The base plate 120 is disposed on a first side of the frame 110 in a length direction, the base plate 120 is provided with a limiting hole 110, and the plug 210 can be matched with the limiting hole 110 to limit the movement of the second end 222 of the box 220 relative to the frame 110 and guide the insertion installation of the box 220 relative to the frame 110. The substrate 120 is provided with a plurality of limiting holes 110, and the plurality of limiting holes 110 are arranged on the substrate 120 at intervals.

As shown in fig. 8, further, in an embodiment, the rack 100 includes a plurality of supporting components 130 and a plurality of substrates 120, the supporting components 130 are disposed in the frame 110 at intervals along a height direction of the frame 110, and partition an interior of the frame 110 into a plurality of mounting cavities 112 for accommodating the battery boxes 200, the substrates 120 are located at one end of the mounting cavities 112, the substrates 120 are respectively in one-to-one correspondence with the mounting cavities 112, and the limiting holes 110 of the substrates 120 are respectively in one-to-one correspondence with the pins 210 of the battery boxes 200.

As shown in fig. 9, in an embodiment, the supporting assembly 130 includes a supporting frame 131 and a spherical supporting member 132, the supporting frame 131 is disposed in the frame 110, specifically, the supporting frame 131 is disposed on an inner side wall of the frame 110 in a width direction, and the supporting frame 131 is used for carrying the battery box 200 detachably inserted in the frame 110; the spherical supporting member 132 is protruded into the supporting frame 131, and the spherical supporting member 132 can be in point contact with the battery box 200 and form a gap between the battery box 200 and the supporting frame 131, so as to reduce the contact area between the battery box 200 and the supporting frame 131, and thus reduce the friction force between the battery box 200 and the supporting frame 131 during the process of movably mounting the battery box 200 on the supporting frame 131.

When the battery box 200 is movably mounted on the supporting frame 131 in the frame 110, because the spherical supporting member 132 is convexly disposed on the supporting frame 131, the spherical supporting member 132 can be in point contact with the battery box 200 and form a gap between the battery box 200 and the supporting frame 131, so as to reduce the contact area between the battery box 200 and the supporting frame 131, thereby reducing the friction force between the battery box 200 and the supporting frame 131 in the process of movably mounting the battery box 200 on the supporting frame 131, making the moving operation of the battery box 200 relative to the supporting frame 131 smoother and labor-saving, so as to quickly and accurately move the battery box 200 to the preset position on the supporting frame 131, and greatly improving the assembly efficiency between the battery box 200 and the rack 100.

Specifically, the supporting frame 131 is used for carrying the box 220 of the battery box 200 detachably inserted in the frame 110, and the spherical support 132 can be in point contact with the box 220 of the battery box 200 and form a gap between the box 220 of the battery box 200 and the supporting frame 131, so as to reduce the contact area between the box 220 of the battery box 200 and the supporting frame 131, and thus reduce the friction force between the box 220 of the battery box 200 and the supporting frame 131 during the process of movably mounting the box 220 of the battery box 200 on the supporting frame 131.

As shown in fig. 9, in an embodiment, the spherical supporting members 132 include a plurality of spherical supporting members 132, and the plurality of spherical supporting members 132 are disposed on the supporting frame 131 at intervals. In this embodiment, the spherical supporting members 132 include three spherical supporting members 132, and the three spherical supporting members 132 are disposed on the supporting frame 131 at intervals, it is understood that in other embodiments, the number of the supporting members may be one, two, or more than four, and the specific arrangement manner may be reasonably selected according to actual situations.

As shown in fig. 9, in an embodiment, the supporting frame 131 is provided with an auxiliary hole 133, and the spherical supporting member 132 is disposed in the supporting frame 131 and partially protrudes from the supporting frame 131 through the auxiliary hole 133. Further, the plurality of auxiliary holes 133 are disposed on the supporting frame 131 at intervals, and the plurality of auxiliary holes 133 correspond to the plurality of spherical supporting members 132 one to one.

As shown in fig. 10, in an embodiment, the spherical supporting member 132 includes a mounting portion 134 and a spherical supporting portion 135 for point contact with the battery box 200, the mounting portion 134 is disposed in the supporting frame 131, the spherical supporting portion 135 is connected to the mounting portion 134, and a side of the spherical supporting portion 135 away from the mounting portion 134 partially protrudes out of the supporting frame 131 through the auxiliary hole 133. In one embodiment, the mounting portion 134 is integrally formed with the spherical support portion 135.

As shown in fig. 7, in an embodiment, the rack 100 further includes a barrier member 140, and the barrier member 140 is disposed on a second side of the length direction of the frame 110 and located between any two adjacent mounting cavities 112, so that the mounting cavities 112 are independent from each other and do not interfere with each other.

As shown in fig. 11, in an embodiment, an auxiliary connector 150 is further disposed on the substrate 120, and the auxiliary connector 150 is used for abutting against an integrated connector 250 of the battery box 200 to form an electrical connection when the battery box 200 is installed in the frame 110, so that the electrical connection between the battery box 200 and an external device is realized through the auxiliary connector 150. As shown in fig. 12, in one embodiment, an insulating protection member 160 is further disposed on the base plate 120 corresponding to the auxiliary connector 150 to enhance the safety of the battery box assembly 11.

As shown in fig. 11, further, the rack 100 further includes a conductive connector 170, and the conductive connector 170 is connected between the auxiliary connectors 150 of any two adjacent substrates 120, so that a plurality of battery cases 200 are connected in series when the battery cases 200 are inserted into the frame 110. In the present embodiment, the plurality of conductive connection bodies 170 are sequentially distributed along the height direction of the frame 110.

Further, as shown in fig. 13, in an embodiment, the battery box system 10 further includes a main connecting member 12, and both ends of the main connecting member 12 are respectively connected to the auxiliary connectors 150 of the topmost base plate 120 of any adjacent battery box devices 11, so that all the battery boxes 200 of the plurality of battery box devices 11 are connected in series when the battery boxes 200 are inserted into the frame 110.

As shown in fig. 14, in the present embodiment, the bus bar 12 directly passes through the butt joint of the frames 110 of any two adjacent battery box devices 11, so that both ends of the bus bar 12 are respectively connected with the auxiliary connectors 150 of the topmost base plate 120 of any adjacent battery box device 11.

As shown in fig. 14, further, a clamping piece 13 for clamping and fixing the general electric connection piece 12 is arranged at the butt joint of the frames 110 of any two adjacent battery box devices 11, so as to realize the installation and fixation of the general electric connection piece 12 relative to the battery box devices 11.

As shown in fig. 14, the battery box system 10 further includes an auxiliary member 14, wherein both sides of the auxiliary member 14 are respectively connected to the frames 100 of any two adjacent battery box devices 11 to connect the plurality of battery box devices 11 together, and specifically, both sides of the auxiliary member 14 are respectively connected to the frames 110 of any two adjacent battery box devices 11 to connect the plurality of battery box devices 11 together.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A battery case apparatus, comprising:

a frame; and

2. The battery box assembly of claim 1, wherein the frame comprises:

a frame;

3. The rack of claim 2, wherein the support assembly comprises a support frame and a spherical support member, the support frame is disposed in the frame, and the support frame is used for carrying the battery box detachably inserted in the frame; the spherical support piece is arranged on the support frame in a protruding mode, and can be in point contact with the battery box to enable a gap to be formed between the battery box and the support frame, so that the contact area between the battery box and the support frame is reduced, and friction force between the battery box and the support frame in the process that the battery box is movably installed on the support frame is reduced.

4. The battery box assembly of claim 2, wherein the frame further comprises a barrier member disposed on a second side of the frame in the length direction and between any two adjacent mounting cavities, so that the mounting cavities are independent from each other and do not interfere with each other.

5. The battery box assembly of claim 2, wherein the base plate further includes an auxiliary connector, and the battery box further includes an integrated connector, wherein the auxiliary connector is configured to mate with the integrated connector of the battery box to form an electrical connection when the battery box is mounted in the frame.

6. The battery box assembly of claim 5, wherein the frame further comprises a conductive connector connected between the auxiliary connectors of any two adjacent base plates, such that a plurality of the battery boxes are connected in series when the battery boxes are inserted into the frame.

7. The battery box device according to claim 1, wherein the battery box further comprises a box body and a battery core, the box body is detachably inserted into the rack, the box body comprises a first end and a second end which are oppositely arranged, when the box body is installed in the rack, the first end of the box body is exposed out of the rack, and the second end of the box body extends into the rack; the first end of the box body is detachably and fixedly connected with the second side of the rack in the length direction; the battery cell is arranged in the box body, the bolt is convexly arranged at the second end of the box body, and the bolt can be matched with the limiting hole to limit the second end of the box body to move relative to the rack and guide the box body to be inserted into the rack for installation.

8. The battery box of claim 7, wherein the battery box comprises a plurality of the battery cells, and the plurality of the battery cells are sequentially arranged in series in the box body.

9. The battery box of claim 8, further comprising a connector connected between any two adjacent cells, such that a plurality of the cells are connected in series.

10. A battery box system comprising a plurality of battery box assemblies as claimed in any one of claims 1 to 9.