CN112736347A - Battery box and battery box device - Google Patents

Abstract

The invention relates to a battery box and a battery box device, wherein the battery box comprises a box body, an electric core and a bolt, the box body is detachably inserted into a rack and comprises a first end and a second end which are oppositely arranged, when the box body is arranged 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 one side of the rack; the battery cell is arranged in the box body; the protruding second end of locating the box of bolt, the bolt can cooperate with the spacing hole that sets up in the frame opposite side to the removal of the relative frame of second end of restriction box and to the box installation of inserting of relative frame guide. The battery box can avoid the second end of the box body from moving relative to the rack, so that stable connection between the battery box and the rack is ensured.

Description

Battery box and battery box device

Technical Field

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

Background

Along with the development of new energy industry, the battery box is also more and more widely used, and due to the limitation of the installation space inside the rack, the existing battery box is fixed on the rack only by the front end of the box body (the end of the box body facing the outside of the rack when being installed in the rack) and the tail end of the box body (the end of the box body extending into the inside of the rack when being installed in the rack) without any fixation, so that the tail of the battery box is very easy to warp in the use process.

Disclosure of Invention

Accordingly, it is necessary to provide a battery box and a battery box device having high mounting stability.

A battery case, comprising:

the box body is used for being detachably inserted into the rack and 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 one side of the rack;

the battery cell is arranged in the box body; and

the bolt is convexly arranged at the second end of the box body and can be matched with a limiting hole arranged at the other side of the rack so as 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 comprises a plurality of bolts, and the bolts are arranged at the second end of the box body at intervals.

In one embodiment, the box body includes a top plate, a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the top plate and the bottom plate are disposed opposite to each other, the first side plate and the second side plate are disposed opposite to each other and between the top plate and the bottom plate, the third side plate and the fourth side plate are disposed opposite to each other and between the top plate and the bottom plate, the top plate, the bottom plate, the first side plate, the second side plate, the third side plate and the fourth side plate surround to form a closed cavity for accommodating the battery cell, and the latch is protruded on the second side plate.

In one embodiment, the first end of the box body is detachably and fixedly connected with one side of the rack through a threaded fastener.

In one embodiment, the box further comprises hanging lugs, the hanging lugs are arranged on two sides of the first end of the box body, fixing holes are formed in the hanging lugs, and the threaded fasteners penetrate through the fixing holes and are matched with one side of the rack, so that the first end of the box body is fixedly connected with one side of the rack.

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 further comprises a connecting member, wherein the connecting member is connected between any two adjacent battery cells, so that the battery cells are connected in series.

In one embodiment, the battery pack further comprises an integrated plug connector, the integrated plug connector is arranged at the second end of the box body and is electrically connected with the battery core, and the integrated plug connector is used for electrically connecting the battery core and external equipment.

In one embodiment, the method further comprises at least one of the following steps:

the handle is arranged at the first end of the box body; and

the detection unit is arranged in the box body and electrically connected with the battery cell, and is used for acquiring power supply parameters of the battery cell.

A battery box device comprises the battery box and a frame.

According to the battery box, the first end of the box body is detachably and fixedly connected with one side of the rack, the second end of the box body is convexly provided with the bolt, and the bolt can be matched with the limiting hole arranged on the other side of the rack, so that the movement of the second end of the box body relative to the rack can be limited, the second end of the box body is prevented from moving relative to the rack, and the stable connection between the battery box and the rack is ensured; the installation of establishing of inserting of relative frame of bolt and spacing hole can also be led to the box simultaneously for operating personnel carries out the application of force to the battery box towards the one end of self (the first end of box) and can accurately remove the box of battery box and install the preset position in the frame, and needn't adjust the position of the box of battery box in the frame, improves the packaging efficiency between battery box and the frame greatly.

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 assembly according to an embodiment;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic diagram of a battery box according to an embodiment;

FIG. 4 is a partial schematic structural view of the battery box shown in FIG. 3;

FIG. 5 is another partial schematic view of the battery box of FIG. 3;

FIG. 6 is a schematic diagram of a rack according to an embodiment;

FIG. 7 is a schematic view of a portion of the frame of FIG. 6;

FIG. 8 is a schematic structural view of a support assembly in the frame of FIG. 6;

FIG. 9 is a partial schematic structural view of the support assembly shown in FIG. 8;

fig. 10 is a partial structural view of the battery box assembly shown in fig. 1;

fig. 11 is a schematic structural view of the battery box device shown in fig. 1 from another view angle.

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, the battery box apparatus 11 in one embodiment includes a frame 100 and a battery box 200, and the battery box 200 is detachably inserted into the frame 100. As shown in fig. 2 to 4, further, the battery box 200 includes a box body 220, a battery cell 230 and a plug 210, 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 one side of the rack 100, the other side of the rack 100 is provided with a limiting hole 110, the battery cell 230 is arranged in the box 220, the plug 210 is convexly arranged at the second end 222 of the box 220, and the plug 210 can be matched with the limiting hole 110 arranged at the other side of the rack 100 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 one side of the rack 100, the second end 222 of the box body 220 is convexly provided with the bolt 210, and the bolt 210 can be matched with the limiting hole 110 arranged on the other side of the rack 100, 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.

In this embodiment, the first end 221 of the box 220 is detachably and fixedly connected to the second side of the rack 100 in the length direction; the first side of the rack 100 in the length direction is provided with a limiting hole 110, the bolt 210 partially extends into the box 220, and the bolt 210 is fixedly connected with the second end 222 of the box 220 through a threaded fastener.

As shown in fig. 1, 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.

As shown in fig. 4, 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 the 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. 4 and 5, in an embodiment, the battery box 200 includes a plurality of battery cells 230, and the battery cells 230 are sequentially and serially disposed 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.

Further, the battery box 200 further includes an integrated connector 250, 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 configured 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.

As shown in fig. 4 and fig. 5, 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.

In one 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 housing 220 is removably secured to one side of the rack 100 by a threaded fastener. As shown in fig. 3, 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 one side of the rack 100, so that the first end 221 of the box body 220 is fixedly connected with one side of the rack 100. In this embodiment, the first end 221 of the box 220 is detachably and fixedly connected to the second side of the rack 100 in the length direction by a threaded fastener.

As shown in fig. 3, 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. 4 and fig. 5, 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. 3, 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. 6 and 7, 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.

As shown in fig. 7, 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 frame 110, 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 substrate 120 is disposed on a first side of the frame 110 in the length direction, and the substrate 120 is provided with a limiting hole 110; the latch 210 can cooperate with the retaining hole 110 to limit movement of the second end 222 of the housing 220 relative to the frame 110 and to guide the insertion mounting of the housing 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. 7, 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. 8, 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. 8, 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. 8, 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. 9, 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 is partially protruded out of the supporting frame 131 by the auxiliary hole 133. In one embodiment, the mounting portion 134 is integrally formed with the spherical support portion 135.

As shown in fig. 6, in an embodiment, the rack 100 further includes a barrier 140, and the barrier 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. 10, 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. 11, 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. 10, 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.

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 (10)

1. A battery box, comprising:

the box body is used for being detachably inserted into the rack and 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 one side of the rack;

the battery cell is arranged in the box body; and

the bolt is convexly arranged at the second end of the box body and can be matched with a limiting hole arranged at the other side of the rack so as 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.

2. The battery box of claim 1, wherein the battery box includes a plurality of the latches, the plurality of latches being spaced apart from the second end of the box.

3. The battery box of claim 1, wherein the box body includes a top plate, a bottom plate, a first side plate, a second side plate, a third side plate, and a fourth side plate, the top plate is disposed opposite to the bottom plate, the first side plate is disposed opposite to the second side plate and disposed between the top plate and the bottom plate, the third side plate is disposed opposite to the fourth side plate and disposed between the top plate and the bottom plate, the top plate, the bottom plate, the first side plate, the second side plate, the third side plate, and the fourth side plate surround to form a closed cavity for accommodating the battery cell, and the latch is protruded on the second side plate.

4. The battery box of claim 1, wherein the first end of the box body is detachably and fixedly connected with one side of the frame through a threaded fastener.

5. The battery box of claim 4, further comprising hanging lugs, wherein the hanging lugs are arranged on two sides of the first end of the box body, fixing holes are formed in the hanging lugs, and the threaded fasteners penetrate through the fixing holes and are matched with one side of the rack, so that the first end of the box body is fixedly connected with one side of the rack.

6. The battery box of claim 1, 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.

7. The battery box of claim 6, further comprising a connector connected between any two adjacent cells, so that a plurality of the cells are connected in series.

8. The battery box of claim 1, further comprising an integrated connector, wherein the integrated connector is disposed at the second end of the box body and electrically connected to the battery cell, and the integrated connector is configured to electrically connect the battery cell to an external device.

9. The battery box of claim 1, further comprising at least one of:

the handle is arranged at the first end of the box body; and

the detection unit is arranged in the box body and electrically connected with the battery cell, and is used for acquiring power supply parameters of the battery cell.

10. A battery compartment arrangement comprising a battery compartment according to any one of claims 1 to 9 and a frame.

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