CN220895630U - Battery module and energy storage power supply - Google Patents

Abstract

The utility model discloses a battery module and an energy storage power supply. The battery module comprises a plurality of battery cells, a temperature adjusting frame body and two temperature adjusting plates. The temperature adjusting frame body is surrounded to form at least one accommodating cavity, a plurality of electric cores are at least partially accommodated in the accommodating cavity, the electric cores are arranged along a first direction, and the electric cores are contacted with the side wall of the temperature adjusting frame body facing the accommodating cavity; the temperature adjusting plate is internally provided with a runner, the runner is configured to enable temperature adjusting medium to flow along a first direction or along the reverse direction of the first direction, the temperature adjusting plate is contacted with the side wall of the temperature adjusting frame body deviating from the accommodating cavity, and the contact area between the temperature adjusting frame body and the battery cell is gradually reduced along the first direction. Above-mentioned battery module can realize the heat dissipation and the heating of electric core, guarantees electric core work at normal temperature range, along first direction, adjusts temperature the area of contact of framework and electric core and reduces gradually, can promote the temperature uniformity of electric core.

Description

Battery module and energy storage power supply

Technical Field

The utility model relates to the technical field of energy storage, in particular to a battery module and an energy storage power supply.

Background

Currently, the energy storage power supply comprises a plurality of electric cores, when the electric cores work, the temperature consistency of all the electric cores needs to be ensured, and each electric core works in a normal temperature range.

Disclosure of utility model

The embodiment of the utility model provides a battery module and an energy storage power supply to solve at least one technical problem.

A battery module according to an embodiment of the present utility model includes:

a plurality of electrical cores;

the temperature adjusting frame body is surrounded to form at least one accommodating cavity, the plurality of electric cores are at least partially accommodated in the accommodating cavity, the plurality of electric cores are arranged along a first direction, and the plurality of electric cores are contacted with the side wall of the temperature adjusting frame body facing the accommodating cavity;

The temperature adjusting plate is internally provided with a runner, the runner is configured to enable temperature adjusting medium to flow along the first direction or along the opposite direction of the first direction, the temperature adjusting plate is contacted with the side wall of the temperature adjusting frame body deviating from the accommodating cavity, and the contact area of the temperature adjusting frame body and the battery cell is gradually reduced along the first direction.

Above-mentioned battery module, electric core at least part holding is in the holding chamber that the framework encloses that adjusts temperature, electric core and the lateral wall contact of the framework that adjusts temperature towards the holding chamber, the temperature regulating plate contacts with the lateral wall that the framework is opposite to the temperature regulating that deviates from the holding chamber, consequently, electric core can carry out heat exchange through the framework that adjusts temperature and temperature regulating plate, can realize the heat dissipation and the heating of electric core, guarantee electric core work at normal temperature range, along first direction, the area of contact of framework and electric core reduces gradually, can promote the temperature uniformity of electric core.

In some embodiments, a plurality of accommodating cavities are arranged in the temperature adjusting frame body, the accommodating cavities are arranged at intervals along the first direction, and each accommodating cavity accommodates a plurality of electric cores arranged along the second direction.

In some embodiments, the temperature-adjusting frame body encloses a plurality of accommodating cavities, the accommodating cavities are arranged at intervals along a first direction, and each accommodating cavity accommodates a plurality of electric cores arranged along a second direction.

Therefore, the capacity of the battery module can be improved, and the influence of the mutual temperature among the battery cells is reduced.

In some embodiments, a plurality of recesses are formed in a side wall of the temperature adjusting frame facing the accommodating chamber, and a circumferential side surface of each of the battery cells is partially accommodated in a corresponding one of the recesses.

Therefore, the outer surface of the battery cell is matched with the concave, the containing stability of the battery cell in the containing cavity is improved, and the heat exchange efficiency is improved.

In some embodiments, the flow channel has a first opening and a second opening, and the first opening and the second opening are respectively disposed at two sides of the temperature-adjusting plate along the first direction.

In this way, the temperature adjusting medium can be made to flow in the first direction or in the opposite direction to the first direction.

In some embodiments, the battery module includes a first connection pipe connected at the first opening and a second connection pipe connected at the second opening.

Thus, the external pipeline is convenient to connect with the temperature regulating plate.

In some embodiments, the battery module includes two temperature adjusting plates, and the two temperature adjusting plates are respectively connected to two sides of the temperature adjusting frame along the second direction.

Therefore, the temperature of the two sides of the battery cells can be regulated simultaneously, the heat exchange efficiency of the battery cells is improved, and the temperature consistency of the battery module is improved.

In some embodiments, the temperature adjustment frame is connected to the battery cell by a thermally conductive adhesive.

Therefore, the battery cell can be fully contacted with the temperature adjusting frame body, so that the heat exchange efficiency is ensured.

In some embodiments, the battery module includes a first bracket and a second bracket, the first bracket and the second bracket are disposed on two opposite sides of the temperature adjusting frame along a third direction, and the plurality of battery cells are sandwiched between the first bracket and the second bracket.

Therefore, the two ends of the multiple electric cores are ensured to be fixed, so that the multiple electric cores form an electric core group, and power supply is facilitated.

In some embodiments, the battery module comprises a first bus bar and a second bus bar, the electric core comprises two electrodes positioned outside the accommodating cavity, the first bus bar is arranged at one side of the first bracket away from the temperature adjusting frame body, and the first bus bar is connected with one of the electrodes;

The second bus bar is arranged on one side, away from the temperature adjusting frame body, of the second support, and the second bus bar is connected with the other electrode.

Therefore, under the condition of ensuring the stability of a plurality of battery cells, a complete battery cell loop is formed, and the power supply of the battery module is ensured.

In some embodiments, the temperature adjusting plate is provided with a first connecting hole and a second connecting hole, a first connecting column is arranged on the side wall of the first bracket facing the temperature adjusting plate, a second connecting column is arranged on the side wall of the second bracket facing the temperature adjusting plate, the battery module comprises a first fastening piece and a second fastening piece, the first fastening piece penetrates through the first connecting hole and is connected with the first connecting column, and the second fastening piece penetrates through the second connecting hole and is connected with the second connecting column.

Therefore, the fixing of the temperature adjusting plate and the bracket is facilitated, the mounting difficulty of the temperature adjusting plate and the battery cell bracket is reduced, and the stability of the battery module is enhanced.

The embodiment of the utility model provides an energy storage power supply, which comprises the battery module of any embodiment.

Above-mentioned battery module, electric core at least part holding is in the holding chamber that the framework encloses that adjusts temperature, electric core and the lateral wall contact of the framework that adjusts temperature towards the holding chamber, the temperature regulating plate contacts with the lateral wall that the framework is opposite to the temperature regulating that deviates from the holding chamber, consequently, electric core can carry out heat exchange through the framework that adjusts temperature and temperature regulating plate, can realize the heat dissipation and the heating of electric core, guarantee electric core work at normal temperature range, along first direction, the area of contact of framework and electric core reduces gradually, can promote the temperature uniformity of electric core.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

Fig. 1 is an exploded view of a battery module according to an embodiment of the present utility model;

Fig. 2 is a schematic perspective view of a battery cell according to an embodiment of the present utility model accommodated in the accommodating cavity;

FIG. 3 is a schematic side view of a temperature adjusting frame according to an embodiment of the present utility model, with both sides inclined in a first direction;

FIG. 4 is a schematic side view of an upper side of a temperature regulating frame according to an embodiment of the present utility model inclined in a first direction;

fig. 5 is a schematic side view of the lower side of the temperature adjusting frame according to the embodiment of the present utility model inclined in the first direction;

FIG. 6 is a schematic cross-sectional view of a thermostat plate of an embodiment of the present utility model;

FIG. 7 is an enlarged schematic view of portion A of FIG. 6;

FIG. 8 is an enlarged schematic view of portion B of FIG. 6;

Fig. 9 is another exploded view of a battery module according to an embodiment of the present utility model;

fig. 10 is a schematic side view of a battery module according to an embodiment of the present utility model.

The main element reference numerals:

The battery module comprises a battery module body 100, an electric core 10, an electrode 11, a temperature regulating plate 20, a first connecting hole 21, a second connecting hole 22, a runner 23, a first opening 24, a first connecting pipe 25, a first port 26, a second opening 27, a second connecting pipe 28, a second port 29, a temperature regulating frame 30, a containing cavity 31, a side wall 32, a recess 33, a side plate 34, a partition plate 43, a first bracket 40, a first connecting column 41, a second bracket 50, a second connecting column 51, a first bus bar 60, a second bus bar 70, a first fastener 80 and a second fastener 90.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the embodiments of the present utility model and are not to be construed as limiting the embodiments of the present utility model.

In an embodiment of the utility model, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different structures of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and do not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present utility model provide examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 5, a battery module 100 according to an embodiment of the present utility model includes a plurality of battery cells 10, a temperature adjusting frame 30, and a temperature adjusting plate 20. The temperature adjusting frame 30 encloses at least one accommodating cavity 31, the plurality of battery cells 10 are at least partially accommodated in the accommodating cavity 31, the plurality of battery cells 10 are arranged along the first direction, and the plurality of battery cells 10 are contacted with the side wall 32 of the temperature adjusting frame 30 facing the accommodating cavity 31. The temperature adjusting plate 20 is provided with a flow passage 23, the flow passage 23 is configured to allow the temperature adjusting medium to flow along a first direction or along the opposite direction of the first direction, the temperature adjusting plate 20 is contacted with the side wall 32 of the temperature adjusting frame 30 away from the accommodating cavity 31, and the contact area between the temperature adjusting frame 30 and the battery cell 10 is gradually reduced along the first direction.

Above-mentioned battery module 100, electric core 10 at least partly holds the holding chamber 31 that the framework 30 encloses that adjusts the temperature, electric core 10 and the lateral wall 32 contact of the framework 30 that adjusts the temperature towards holding chamber 31, the temperature regulating plate 20 contacts with the lateral wall 32 that the framework 30 that adjusts the temperature that deviates from holding chamber 31 is opposite to each other, consequently, electric core 10 can carry out the heat exchange through framework 30 that adjusts the temperature with temperature regulating plate 20, can realize electric core 10's heat dissipation and heating, guarantee electric core 10 work at normal temperature range, along the first direction, the area of contact of framework 30 that adjusts the temperature with electric core 10 reduces gradually, can promote electric core 10's temperature uniformity.

Specifically, in one embodiment, the battery module 100 may be applied to an energy storage power supply, the energy storage power supply may further include a temperature adjustment host (not shown), the temperature adjustment host may be communicated with the flow channel 23 in the temperature adjustment plate 20, a temperature adjustment medium is introduced into the flow channel 23, the temperature adjustment medium exchanges heat with the battery cell 10 through the temperature adjustment plate 20 and the temperature adjustment frame 30, the temperature adjustment medium after heat exchange enters the temperature adjustment host, after being heated or cooled, enters the flow channel 23 again and enters into heat exchange with the battery cell 10 through the temperature adjustment plate 20 and the side plate 34 of the temperature adjustment frame 30, and thus circulates, and forms circulation temperature adjustment (heating or heat dissipation) for the battery cell 10. The contact area between the temperature adjusting frame 30 and the battery cell 10 can be changed according to the thickness D of the temperature adjusting frame side plate 34, so as to enhance the temperature adjusting efficiency.

In the drawings, the first direction is a direction from the rear to the front, the second direction is a left-right direction, and the third direction is an up-down direction.

In detail, referring to fig. 3, in one embodiment, the upper side of the temperature adjusting frame 30 is inclined downward along the first direction by an angle A1, and the lower side is inclined upward along the first direction by an angle A2, so that the thickness D of the temperature adjusting frame 30 is gradually reduced along the first direction, the contact area between the temperature adjusting frame 30 and the battery cell 10 is gradually reduced along the first direction, and the angle A1 may be equal to or unequal to the angle A2.

Referring to fig. 4, in one embodiment, the upper side of the temperature adjusting frame 30 is inclined downward along the first direction by an angle A1, and the lower side is arranged horizontally along the first direction, so that the thickness D of the temperature adjusting frame 30 is gradually reduced along the first direction, and the contact area between the temperature adjusting frame 30 and the battery cell 10 is gradually reduced along the first direction.

Referring to fig. 5, in one embodiment, the lower side of the temperature adjusting frame 30 is inclined upwards along the first direction, the inclination angle is A2, and the upper side is horizontally arranged along the first direction, so that the thickness D of the temperature adjusting frame 30 is gradually reduced along the first direction, and the contact area between the temperature adjusting frame 30 and the battery cell 10 is gradually reduced along the first direction.

Optionally, the angle A1 can be selected from the range [0.8 degrees, 3 degrees ], the angle A2 can be selected from the range [0.8 degrees, 3 degrees ]. The heat exchange efficiency can be improved, the temperature consistency of the battery core is improved, and the production cost is saved by weakening the water inlet and outlet temperature cascade effect through gradual design. Further, the plurality of battery cells 10 can exchange heat through the temperature adjusting frame 30, so that the temperature consistency of the battery cells 10 can be further improved.

In one example, angle A1 may be 0.8 °, 1.0 °, 1.5 °, 1.8 °, 2 °, 2.3 °, 2.7 °, 3 °, or other angles between 0.8 ° and 3 °.

In one example, angle A2 may be 0.8 °, 1.0 °, 1.5 °, 1.8 °, 2 °, 2.3 °, 2.7 °, 3 °, or other angles between 0.8 ° and 3 °.

In some embodiments, the temperature adjusting frame 30 encloses a plurality of accommodating cavities 31, the plurality of accommodating cavities 31 are arranged at intervals along the first direction, and each accommodating cavity 31 accommodates a plurality of electric cells 10 arranged along the second direction.

Thus, the capacity of the battery module 100 is increased, and the influence of the temperature between the battery cells 10 is reduced.

Specifically, the present utility model does not specifically limit the shape of the accommodating chamber 31. In the drawing, the shapes of the plurality of accommodation chambers 31 are the same, so that the production efficiency can be improved.

In the illustrated embodiment, the battery cell 10 is a cylindrical battery cell, and in other embodiments, the battery cell 10 may have other shapes, which are not particularly limited herein.

Alternatively, as shown in fig. 2, the temperature adjusting frame 30 has a substantially rectangular parallelepiped shape, and the temperature adjusting frame 30 includes four side plates 34 and six partition plates 43. Four curb plates 34 enclose into the accommodation space, and six baffles 43 separate the accommodation space into 7 accommodation chamber 31, and 7 accommodation chamber 31 are arranged along first direction interval, and every accommodation chamber 31 can hold 4 electric cores for 28 electric cores 10 hold in 7 accommodation chamber 31 respectively, guarantee that the side of a plurality of electric cores 10 all can with curb plate 34 and baffle 43 direct contact, thereby improve heat transfer's homogeneity, and then guarantee the temperature uniformity of a plurality of electric cores 10. The plurality of cells 10 may be electrically connected in series, parallel, or series-parallel, and are not particularly limited herein.

In the normal operation mode of the battery module 100, the temperature adjusting frame 30 conducts high heat in the plurality of battery cells 10 to low heat at two sides of the plurality of battery cells 10 by utilizing the excellent heat conducting property of the temperature adjusting frame, so that the purpose of soaking is achieved, and the temperature consistency of the plurality of battery cells 10 can be realized.

In other embodiments, the shape of the temperature adjustment frame 30 is not limited to a rectangular parallelepiped shape, but may be other shapes, and is not particularly limited herein.

The materials of the temperature adjusting frame body 30 and the temperature adjusting plate 20 can be profiles with excellent heat conduction performance, and the heat transfer efficiency of the plurality of electric cores 10 can be ensured, so that the aim of temperature adjustment of the plurality of electric cores 10 is fulfilled.

In one example, the temperature adjusting frame 30 may be an aluminum alloy material, so that the heat transfer efficiency of the plurality of battery cells 10 is improved while the strength and rigidity of the temperature adjusting frame 30 are ensured, thereby ensuring the temperature uniformity of the battery module 100.

In one embodiment, the temperature adjusting frame 30 may be integrally formed by using an aluminum alloy material, so as to improve the structural strength of the temperature adjusting frame 30, reduce the welding process, and achieve the purposes of cost reduction and efficiency enhancement.

In one embodiment, the temperature adjusting frame 30 may be manufactured by an extrusion molding process, or may be manufactured by other processes, which are not particularly limited herein.

In other embodiments, the temperature adjustment frame 30 may be made of other materials, for example, materials having characteristics such as high thermal conductivity, high structural strength, and light weight, and the like, and is not particularly limited.

The materials of the temperature adjustment plate 20 and the temperature adjustment frame 30 may be the same or different, and are not particularly limited herein.

In some embodiments, the partition plate 43 of the temperature adjusting frame 30 facing the accommodating chamber 31 is formed with a plurality of recesses 33, and the circumferential side surface of each cell 10 is partially accommodated in a corresponding one of the recesses 33.

Thus, the outer surface of the battery cell 10 is matched with the recess 33, the holding stability of the battery cell 10 in the holding cavity 31 is improved, and the heat exchange efficiency is improved.

Specifically, referring to fig. 1, in one embodiment, the temperature adjustment frame 30 may include a side plate 34 and a partition plate 43, where the side wall 32 of the side plate 34 facing the accommodating cavity 31 and the side wall 32 of the partition plate 43 facing the accommodating cavity 31 are formed with a plurality of recesses 33, so that when the plurality of battery cells 10 are placed in the accommodating cavity 31, the circumferential side surfaces of the battery cells 10 can be partially accommodated in the corresponding recesses 33, so as to improve the stability of the plurality of battery cells 10 and prevent displacement. The concave portion 33 can increase the contact area between the temperature adjusting frame 30 and the battery cell 10, and further increase the heat exchange area and heat exchange efficiency.

In detail, the shape and the size of the recess 33 can be determined according to the shape and the size of the battery cell 10 accommodated in the temperature adjusting frame 30, so as to improve the stability and the heat exchange area of the battery cell 10 in the accommodating cavity 31.

In some embodiments, the flow passage 23 has a first opening 24 and a second opening 27, the first opening 24 and the second opening 27 being provided on both sides of the temperature-adjusting plate 20 in the first direction, respectively.

In this way, the temperature adjusting medium can be made to flow in the first direction or in the opposite direction to the first direction.

Specifically, according to the actual situation, the temperature adjusting media with different temperatures can enter the temperature adjusting plate 20 along the first direction or along the opposite direction of the first direction through the flow channel 23, and the temperature adjusting effect of the temperature adjusting media on the battery cell 10 is improved through the contact between the temperature adjusting plate 20 and the temperature adjusting frame 30.

The temperature control main machine can be communicated with the flow channel 23 in the temperature control plate 20 through the first opening 24 and the second opening 27, and a temperature control medium is introduced into the flow channel 23. In one embodiment, the first opening 24 may serve as a liquid inlet and the second opening 27 may serve as a liquid outlet. In one embodiment, the first opening 24 may serve as a liquid outlet and the second opening 27 may serve as a liquid inlet.

In some embodiments, the battery module 100 includes a first connection pipe 25 and a second connection pipe 28, the first connection pipe 25 being connected at the first opening 24, and the second connection pipe 28 being connected at the second opening 27.

In this way, the external piping is facilitated to connect the temperature adjusting plate 20.

Specifically, the temperature adjusting plate 20 can be externally connected with a temperature adjusting host through the first connecting pipe 25 and the second connecting pipe 28, so that the circulating flow of the temperature adjusting medium can be ensured, and the heat exchange efficiency can be increased while setting the temperatures of different temperature adjusting mediums through different working conditions.

Referring to fig. 6-9, when the heat dissipation is performed on the battery core 10, the first port 26 is used as a liquid inlet, the second port 29 is used as a liquid outlet, the low-temperature fluid is led out from the temperature-adjusting host, enters the flow channel 23 in the temperature-adjusting plate 20 through the first port 26 of the first connecting pipe 25 and the first opening 24, exchanges heat with the temperature-adjusting plate 20, and returns to the temperature-adjusting host from the second port 29 of the second connecting pipe 28, and at this time, the area of the temperature-adjusting frame 30 in the liquid inlet of the low-temperature fluid is small, and the area of the liquid outlet is large.

In detail, the liquid inlet temperature at the liquid inlet is lower, the cooling effect is good, so the contact area of the temperature adjusting frame body 30 and the electric core 10 is smaller, the liquid outlet is higher because the electric core 10 is heated at the liquid outlet, and in order to ensure the temperature equalizing effect, the contact area of the temperature adjusting frame body 30 and the electric core 10 is large, so the effects of temperature equalizing and heat dissipation are achieved, and the temperature consistency of the electric core 10 is improved.

In addition, the temperature adjusting frame 30 can also transfer heat between the battery cells 10, so that the temperatures of the battery cells 10 tend to be consistent, and the temperature consistency of the battery cells 10 is further improved.

When the electric core 10 is heated, the first port 26 is used as a liquid outlet, the second port 29 is used as a liquid inlet, high-temperature fluid is led out from the temperature regulating host, enters the flow channel 23 in the temperature regulating plate 20 through the second opening 27 by the second port 29 of the second connecting pipe 28, exchanges heat with the temperature regulating plate 20, and returns to the temperature regulating host from the second port 26 of the first connecting pipe 25, and at the moment, the area of the liquid inlet of the high-temperature fluid is large, and the area of the liquid outlet is small in the temperature regulating frame 30.

In detail, the liquid inlet at the liquid inlet has higher liquid inlet temperature and good heating effect, so the contact area between the temperature adjusting frame body 30 and the electric core 10 is larger, the liquid outlet receives heat from the electric core 10, the liquid outlet has lower temperature, and the contact area between the temperature adjusting frame body 30 and the electric core 10 is small to ensure the temperature equalizing effect, so the effects of equalizing temperature and heating and improving the temperature consistency of the electric core 10 are achieved.

In one implementation, the temperature regulating host can change the inlet and outlet directions of the temperature regulating medium through the four-way valve, so that the heating and heat dissipation effects are achieved, the operation can be simplified, and the operation safety is improved.

In some embodiments, the battery module 100 includes two temperature adjustment plates 20, and the two temperature adjustment plates 20 are respectively connected to both sides of the temperature adjustment frame 30 along the second direction.

In this way, the temperature of both sides of the battery cells 10 can be adjusted simultaneously, so that the heat exchange efficiency of the battery cells 10 is improved, and the temperature consistency of the battery module 100 is improved.

Specifically, the two temperature adjusting plates 20 are disposed at the left and right sides of the temperature adjusting frame 30, so that the plurality of electric cells 10 can keep temperature consistency, the two temperature adjusting plates 20 are in contact with the temperature adjusting frame 30 in a manner of filling heat-conducting glue, and the temperature adjusting medium in the temperature adjusting plates 20 exchanges heat with the temperature adjusting frame 30 through the heat-conducting glue, so that the electric cells 10 can be heated or cooled.

In some examples, the heat-conducting glue mainly serves to fill and conduct heat, so that the heat-conducting glue can be a silica gel material, a gel material, or other high heat-conducting materials, and is not limited in detail herein.

In some embodiments, the temperature adjustment frame 30 is connected to the battery cells 10 by a thermally conductive adhesive.

Thus, the battery cell 10 can be fully contacted with the temperature adjusting frame body 30, so that the heat exchange efficiency is ensured.

Specifically, in order to make the battery cell 10 fully contact with the temperature adjusting frame body 30, the heat conducting glue is filled between the temperature accommodating frame body 30 and the battery cell 10, so that the battery cell 10 can be fully contacted with the temperature adjusting frame body 30, and further the heat exchange area between the temperature adjusting frame body 30 and the battery cell 10 can be increased, and the heat exchange efficiency is improved.

In some embodiments, the battery module 100 includes a first bracket 40 and a second bracket 50, the first bracket 40 and the second bracket 50 are disposed on opposite sides of the temperature adjustment frame 30 along a third direction, and the plurality of battery cells 10 are sandwiched between the first bracket 40 and the second bracket 50.

Therefore, the two ends of the plurality of battery cells 10 are ensured to be fixed, so that the plurality of battery cells 10 form a battery cell group, and power supply is facilitated.

Specifically, in one embodiment, the first support 40 is formed with a plurality of holes to position one ends of the plurality of battery cells 10 correspondingly.

Meanwhile, the second holder 50 is formed with a plurality of holes having the same shape as the first holder 40 to position the other ends of the plurality of cells 10.

It can be understood that the second support 50 and the first support 40 are disposed on opposite sides of the temperature adjusting frame 30, so as to fix and position two ends of the plurality of battery cells 10 in the accommodating cavity 31, and facilitate grouping of the plurality of battery cells 10 to stably output electric energy.

In one embodiment, the first bracket 40 and the second bracket 50 may be connected and fixed to the temperature adjusting frame 30 by glue filling, or may be fixed by other methods, which is not particularly limited herein.

It should be noted that, in one embodiment, the aperture of the hole formed by the first bracket 40 and the second bracket 50 is smaller than the diameter of the two ends of the battery cell 10, so that the battery cells 10 are located inside the battery module 100 while the fixed positioning of the battery cells 10 is ensured, the safety of the battery module 100 is improved, and the cost is saved.

In some embodiments, the battery module 100 includes a first bus bar 60 and a second bus bar 70, the battery cell 10 includes two electrodes 11 located outside the accommodating cavity 31, the first bus bar 60 is disposed on a side of the first bracket 40 facing away from the temperature adjustment frame 30, and the first bus bar 60 is connected to one of the electrodes 11;

The second busbar 70 is arranged on the side of the second support 50 facing away from the temperature-regulating frame 30, and the second busbar 70 is connected to the other electrode 11.

Thus, under the condition of ensuring the stability of the plurality of battery cells 10, a complete battery cell loop is formed, and the power supply of the battery module 100 is ensured.

Specifically, referring to fig. 1, in one embodiment, the first bus bar 60 and the second bus bar 70 may be conductive materials to connect a plurality of battery cells 10 to form a battery cell loop, thereby supplying power to the battery module 100.

In some examples, the materials of the first bus bar 60 and the second bus bar 70 may be copper, nickel or copper-nickel alloy materials, or may be other materials with good conductivity and ductility, which are not limited herein.

It will be appreciated that the nickel strap has high conductivity and high heat dissipation characteristics, which in one aspect facilitates the formation of a plurality of cells 10 into a cell loop for power. On the other hand, the heat generation of the battery module 100 can be significantly reduced.

In one implementation, the first bus bar 60 may be spot-welded to the plurality of electrodes 11 on one side of the plurality of battery cells 10 by using a welding process, so as to improve the connection stability and conductivity between the first bus bar 60 and the plurality of battery cells 10, and further ensure that the first support 40 is stably disposed between the first bus bar 60 and the temperature adjusting frame 30.

Similarly, the second bus bar 70 may be spot-welded to the electrodes 11 on the other sides of the plurality of battery cells 10 by using a welding process, so as to improve the connection stability and conductivity between the second bus bar 70 and the plurality of battery cells 10, and further ensure that the second bracket 50 is stably disposed between the second bus bar 70 and the temperature adjusting frame 30.

In some embodiments, the temperature adjustment plate 20 is provided with a first connection hole 21 and a second connection hole 22, a first connection post 41 is provided toward a side wall of the first bracket 40 of the temperature adjustment plate 20, a second connection post 51 is provided toward a side wall of the second bracket 50 of the temperature adjustment plate 20, the battery module 100 includes a first fastener 80 and a second fastener 90, the first fastener 80 penetrates the first connection hole 21 and connects the first connection post 41, and the second fastener 90 penetrates the second connection hole 22 and connects the second connection post 51.

So, make things convenient for the fixed of temperature regulating plate 20 and support, reduced the installation degree of difficulty of temperature regulating plate 20 and electric core support, strengthened battery module's stability.

Specifically, referring to fig. 1 and 10, when the temperature-adjusting plate 20 is assembled with the first bracket 40, the first connecting hole 21 is aligned with the first connecting post 41, and the first fastener 80 is inserted into the first connecting hole 21 to the first connecting post 41, so as to connect the temperature-adjusting plate 20 with the first bracket 40, and fixedly connect the temperature-adjusting plate 20 with the first bracket 40. The first fastener 80 may include, but is not limited to, a screw, a bolt, a pin, and the like.

In the type, when the temperature-adjusting plate 20 is assembled with the second bracket 50, the second connecting hole 22 is aligned with the second connecting post 51, and the second fastening member 90 is inserted through the second connecting hole 22 to the second connecting post 51 to connect the temperature-adjusting plate 20 with the second bracket 50, so that the temperature-adjusting plate 20 is fixedly connected with the second bracket 50. The second fastener 90 may include, but is not limited to, a screw, a bolt, a pin, etc.

An energy storage power supply according to an embodiment of the present utility model includes the battery module 100 of any of the above embodiments.

Above-mentioned energy storage power, electric core 10 at least partly holds the holding chamber 31 that the framework 30 encloses that adjusts the temperature, electric core 10 and the lateral wall 32 contact of the framework 30 of adjusting the temperature towards holding chamber 31, the temperature regulating plate 20 is connected with the lateral wall 32 that the framework 30 is on the back of keeping away from holding chamber 31, consequently, electric core 10 can carry out the heat exchange through framework 30 and temperature regulating plate 20, can realize electric core 10's heat dissipation and heating, guarantee electric core 10 work at normal temperature range, along the first direction, the area of contact of framework 30 and electric core 10 reduces gradually, can promote electric core 10's temperature uniformity.

Specifically, in one embodiment, the energy storage power source may include the battery module 100 and the temperature-adjusting host, so that the temperature-adjusting medium in the flow channel 23 may exchange heat circularly, and normal operation of the energy storage power source is ensured.

The energy storage power source may further include a housing, and the battery module 100 may be fixed in the housing.

It should be noted that the above explanation of the embodiment and the beneficial effects of the battery module 100 is also applicable to the energy storage power supply according to the embodiment of the present utility model, and is not repeated herein to avoid redundancy.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described above, it will be understood that the above examples are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (11)

1. A battery module, comprising:

a plurality of electrical cores;

the temperature adjusting frame body is surrounded to form at least one accommodating cavity, the plurality of electric cores are at least partially accommodated in the accommodating cavity, the plurality of electric cores are arranged along a first direction, and the plurality of electric cores are contacted with the side wall of the temperature adjusting frame body facing the accommodating cavity;

The temperature adjusting plate is internally provided with a flow passage, the flow passage is configured to enable temperature adjusting medium to flow along the first direction or along the opposite direction of the first direction, the temperature adjusting plate is contacted with the side wall of the temperature adjusting frame body deviating from the accommodating cavity, and the contact area of the temperature adjusting frame body and the battery cell is gradually reduced along the first direction.

2. The battery module according to claim 1, wherein the temperature adjusting frame body encloses a plurality of the accommodating cavities, the plurality of accommodating cavities are arranged at intervals along the first direction, and each accommodating cavity accommodates a plurality of the electric cells arranged along the second direction.

3. The battery module according to claim 2, wherein a plurality of recesses are formed toward a side wall of the temperature adjusting frame body of the receiving chamber, and a circumferential side of each of the battery cells is partially received in a corresponding one of the recesses.

4. The battery module according to claim 1, wherein the flow passage has a first opening and a second opening, the first opening and the second opening being provided on both sides of the temperature adjustment plate in the first direction, respectively.

5. The battery module according to claim 4, wherein the battery module includes a first connection pipe connected at the first opening and a second connection pipe connected at the second opening.

6. The battery module according to claim 1, wherein the battery module comprises two temperature adjusting plates, and the two temperature adjusting plates are respectively connected to two sides of the temperature adjusting frame along the second direction.

7. The battery module of claim 1, wherein the temperature regulating frame is connected to the cells by a thermally conductive adhesive.

8. The battery module according to claim 1, wherein the battery module comprises a first bracket and a second bracket, the first bracket and the second bracket are disposed on two opposite sides of the temperature adjusting frame along a third direction, and the plurality of battery cells are sandwiched between the first bracket and the second bracket.

9. The battery module according to claim 8, wherein the battery module comprises a first busbar and a second busbar, the cell comprises two electrodes positioned outside the accommodating cavity, the first busbar is arranged on one side of the first bracket away from the temperature adjusting frame body, and the first busbar is connected with one of the electrodes;

The second bus bar is arranged on one side, away from the temperature adjusting frame body, of the second support, and the second bus bar is connected with the other electrode.

10. The battery module of claim 8, wherein the temperature adjustment plate is provided with a first connection hole and a second connection hole, a first connection column is arranged on a side wall of the first bracket facing the temperature adjustment plate, a second connection column is arranged on a side wall of the second bracket facing the temperature adjustment plate, the battery module comprises a first fastening piece and a second fastening piece, the first fastening piece penetrates through the first connection hole and is connected with the first connection column, and the second fastening piece penetrates through the second connection hole and is connected with the second connection column.

11. An energy storage power supply comprising the battery module of any one of claims 1-10.