TWI788047B - Battery module and battery device capable of heat dissipation - Google Patents

Abstract

A battery module is disclosed. The battery module comprises a plurality of battery cores, a battery fixed frame, at least one first battery conductive frame, and a plurality of tubes. The battery fixed frame comprises a plurality of battery accommodating holes, and a plurality of fixing through holes. Each of battery cells is placed into one corresponding battery accommodating hole, respectively. The first battery conductive frame is placed above the battery fixed frame. These battery cores are connected in series or parallel via the first battery conductive frame. Each of fixing through holes is connected between the two tubes. A fluid flows between the tubes and the fixing through holes, and therefore a heat generated by the battery core can be taken away by the flow of the fluid.

Description

Battery module and battery device with cooling effect

The invention relates to a battery module, especially a battery module with heat exchange.

In recent years, with the demand for environmental protection and carbon reduction, electric vehicles have gradually been favored by people. Therefore, many car manufacturers have entered into the development of electric vehicles one after another in order to seize business opportunities in the electric vehicle market.

Electric vehicles are powered by batteries. In order to increase the battery life of the electric vehicle, a battery module with a considerable number of battery cells is usually arranged on the electric vehicle. The battery module includes a fixing frame and at least one conductive frame. The fixing frame can be provided with multiple battery cells, and each battery cell will be connected in series or in parallel through the conductive frame.

A battery is mainly a device that uses chemical reactions between substances to generate current and electricity. When the power supplied by a single battery or the power is insufficient, the usual practice is to connect multiple battery cells in series to increase the voltage, or in parallel to increase the current. Electricity, etc. However, when the battery uses a large amount of power or the ambient temperature is high, the reaction of the battery itself will be accelerated and the current will increase, and the temperature of the battery itself will increase further, causing the reaction speed to increase sharply. Cause thermal runaway and damage the battery and the electrical appliances using the battery.

Here, the present invention will propose a battery module with an innovative structure. The structure of the battery module's fixing frame can not only protect the internal battery core, but also help the thermally runaway battery core to dissipate heat quickly, which will be the purpose of the present invention .

An object of the present invention is to provide a battery module, which includes a plurality of battery cells, a battery holder, at least one first battery conductive frame and a plurality of tubes; the battery holder includes a plurality of battery accommodation holes and a plurality of a fixed through hole, and each battery cell is respectively placed in a corresponding battery accommodating hole; the first battery conductive frame is arranged on the battery fixing frame, and those battery cells are connected in series or in parallel through the first battery conductive frame; A tube is connected between every two fixed through holes, and a fluid will flow between the tube and the fixed through holes; then, when the battery core of the battery module is thermally out of control, the heat generated by the battery core will conduct heat to the metal The battery holder is made of high-quality materials, and then the heat energy on the battery holder is taken away through the flow of fluid, so as to reduce the probability of damage to the battery module.

An object of the present invention is to provide a battery device, which includes multiple sets of battery modules, the tube body is divided into an input tube body, a plurality of relay tube bodies and an output tube body; one end of the input tube body is connected to one of the group A corresponding fixed through hole of the battery module, and the other end is used as a fluid input end; one end of the output pipe body is connected to a corresponding fixed through hole of another battery module, and the other end is used as a fluid output end; The two ends of the tube body are connected to two corresponding fixing through holes on the same set of battery modules, or the two ends of the relay tube are respectively connected to two corresponding fixing through holes of different sets of battery modules; when the fluid flows from When the fluid input is input, it passes through the relay pipe body and the fixed through holes in the battery fixing frame of each battery module, and then outputs from the fluid output; so, when one of the battery modules thermal runaway In this case, the fluid will bring or exchange the heat energy on the battery holder of the thermal runaway battery module to the battery holder of another battery module, through the battery holder of another battery module to assist in heat dissipation and through flow The fluid in the battery absorbs heat energy to improve the safety of the battery device during use.

In order to achieve the above object, the present invention provides a battery module with heat dissipation effect, including: a plurality of battery cells; a battery fixing frame, including a plurality of battery accommodation holes and a plurality of fixing through holes, each battery cell is respectively placed placed in a corresponding battery accommodating hole; at least one first battery conductive frame is arranged on the battery fixing frame, and a plurality of battery cells are connected in series or in parallel through the first battery conductive frame; and a plurality of tubes, each The tubes are connected to the corresponding fixed through holes; wherein, a fluid flows between the plurality of tubes and the plurality of fixed through holes, and the heat generated by the battery core is taken away by the flow of the fluid.

In one embodiment of the present invention, the pipe body includes an input pipe body, at least one relay pipe body and an output pipe body; one end of the input pipe body is connected to a corresponding fixed through hole and the other end is used as a fluid input port; the output One end of the pipe body is connected to a corresponding fixing through hole and the other end is used as a fluid output end; two ends of the relay pipe body are respectively connected to two corresponding fixing through holes.

In one embodiment of the present invention, the battery module further includes a first positioning bracket, the first positioning bracket is arranged between the battery fixing frame and the first battery conductive frame, the first positioning bracket includes a plurality of first positioning through holes, each One end of the battery core protrudes from above the battery accommodating hole and is electrically connected to the first battery conductive frame through the corresponding first positioning through hole.

In one embodiment of the present invention, the battery module further includes at least a second battery conductive frame and a second positioning bracket, the second battery conductive frame is arranged under the battery fixing frame, and the second positioning bracket is arranged between the battery fixing frame and the first positioning bracket. Between the two battery conductive frames, the second positioning bracket includes a plurality of second positioning through holes, and the other end of each battery cell passes through the bottom of the battery containing hole and is electrically connected to the second positioning through hole. Battery conductive frame.

In one embodiment of the present invention, the first positioning bracket and the second positioning bracket respectively include a plurality of through holes, and each fixing through hole includes at least one protrusion, and the protrusion of the fixing through hole passes through the corresponding through hole and connects with the pipe body. connect.

In one embodiment of the invention, the fluid is water or cooling liquid.

In an embodiment of the present invention, an isolation coating is disposed on the inner wall of each fixing through hole.

The present invention also provides a battery device with heat dissipation effect, which includes a plurality of battery modules, and each battery module includes: a plurality of battery cells; a battery fixing frame, including a plurality of battery accommodation holes and a plurality of fixing through holes , each battery cell is respectively placed in a corresponding battery accommodating hole; at least one first battery conductive frame is arranged on the battery fixing frame, and a plurality of battery cells are connected in series or in parallel through the first battery conductive frame; and A plurality of tubes, each tube is connected to the corresponding fixed through hole; wherein, each set of battery modules is connected to another set of battery modules through at least one corresponding tube, and a fluid flows in each Between the plurality of tubes and the plurality of fixing through holes of the battery module, the heat generated by the battery cells of each battery module is taken away by the flow of fluid.

In one embodiment of the present invention, each battery module further includes a first positioning bracket, at least one second battery conductive frame and a second positioning bracket, the first positioning bracket is arranged on the battery fixing frame and the first battery conductive frame In between, the first positioning bracket includes a plurality of first positioning through holes, one end of each battery cell passes through the battery accommodating hole and is electrically connected to the first battery conductive frame through the corresponding first positioning through hole, the second The second battery conductive frame is arranged under the battery fixing frame, and the second positioning bracket is arranged between the battery fixing frame and the second battery conductive frame. The second positioning bracket includes a plurality of second positioning through holes. The bottom of the battery accommodating hole passes through and is electrically connected to the second battery conductive frame through the corresponding second positioning through hole.

In one embodiment of the present invention, the plurality of array battery modules are placed in an outer casing, the outer casing includes an input hole and an output hole, and the tube body includes an input tube body, at least one relay tube body and an output tube body Pipe body; one end of the input pipe body is connected to a corresponding fixed through hole of one of the battery modules and the other end is used as a fluid input end, and the fluid input end passes through the input hole to the outside of the shell box; the output pipe body One end of one end is connected to a corresponding fixed through hole of another group of battery modules and the other end is used as a fluid output end, and the fluid output end passes through the output hole to the outside of the shell box; the two ends of the relay pipe are connected to The two corresponding fixing through holes of the same set of battery modules, or the two ends of the relay tube body are respectively connected to the two corresponding fixing through holes of different sets of battery modules.

Please refer to Fig. 1 to Fig. 7 and Fig. 9 at the same time, Fig. 1 is a three-dimensional exploded view of a part of the structure of an embodiment of the battery module of the present invention, Fig. 2 is a top view of the structure of an embodiment of the battery holder of the present invention, and Fig. 3 is a view of the present invention The three-dimensional perspective view of an embodiment of the battery holder, Fig. 4 is a sectional view of the AA' direction of the battery holder of Fig. 3 of the present invention, Fig. 5 is a sectional view of the BB' direction of the battery holder of Fig. Sectional view, Fig. 6 is a perspective view of an embodiment of the first positioning bracket of the present invention, Fig. 7 is a bottom view of the structure of an embodiment of the first battery conductive frame of the present invention, and Fig. 9 is a view of an embodiment of the battery module of the present invention Schematic. As shown in FIGS. 1 to 5 , the battery module 100 of the present invention includes a plurality of battery cells 11 , a battery fixing frame 12 and at least a first battery conductive frame 13 . The battery fixing frame 12 includes a plurality of battery receiving holes 121 and a plurality of fixing through holes 123 . In this embodiment, the battery accommodating hole 121 is a hole structure with one side open and the other side sealed, and the positive and negative electrodes of the battery core 11 are disposed on the same side. Each battery cell 11 is respectively placed in a corresponding battery accommodating hole 121 , and one end of the battery cell 11 protrudes out of the battery accommodating hole 121 . The battery holder 12 is a metal holder with better thermal conductivity. When the battery core 11 is thermally out of control, the heat generated by the battery core 11 can be conducted to the battery fixing frame 12 for heat dissipation by the battery fixing frame 12 . The first battery conductive frame 13 is disposed on the battery fixing frame 12 and includes a plurality of welding points 131 . One end of the battery cells 11 is welded to the welding point 131 of the first battery conductive frame 13 , so that those battery cells 11 can be electrically connected in series and/or in parallel through the first battery conductive frame 13 .

Next, as shown in FIG. 9 , the battery module 100 further includes a plurality of tubes 17 . The pipe body 17 is a non-metallic tubular body, such as a plastic pipe body. The interface of each pipe body 17 is connected to the corresponding fixing through hole 123 . A fluid 19 can be injected into the pipe body 17 and flows between the plurality of pipe bodies 17 and the plurality of fixed through holes 123 . In the present invention, the fluid 19 can also be water or cooling liquid. Then, when the battery core 11 is thermally out of control, the heat generated by it will be guided to the battery holder 12, and the heat conducted on the battery holder 12 will be quickly taken away by the flowing fluid 19, resulting in Improve the heat dissipation effect of the battery module 100, reduce the probability of failure or explosion of the battery module 100,

Further as shown in FIG. 6 , the battery module 100 of this embodiment further includes a first positioning bracket 15 , and the first positioning bracket 15 is disposed between the battery fixing frame 12 and the first battery conductive frame 13 . In the present invention, the first positioning bracket 15 can also be a bracket made of plastic material. The first positioning bracket 15 includes a plurality of first positioning through holes 151 . One end of each battery cell 11 protrudes above the battery accommodating hole 121 and is electrically connected to the first battery conductive frame 13 through the corresponding first positioning through hole 151 . Furthermore, each fixing through hole 123 includes at least one protrusion 1231 protruding from the upper or lower surface of the battery holder 12, and the first positioning bracket 15 includes a plurality of through holes 153, each of which 153 pairs are located in each fixing through hole 123 . The convex portion 1231 of each fixing through hole 123 will pass through the perforation 153, and the interface of each pipe body 17 will be fixed on the convex portion 1231 of the corresponding fixing through hole 123 by socket or sintering, so that the fluid 19 can It flows between the fixed through hole 123 and the pipe body 17 .

Next, generally speaking, although the conductivity of water is very poor, it still has the ability to conduct electricity. If water is used as the fluid 19 and directly contacts the electrically floating battery fixing frame 12 , it will affect the potential stability of the battery core 11 of the battery module 100 . In order to prevent the fluid 19 from affecting the potential of the battery module 100 when the fluid 19 flows through the fixed through holes 123, as shown in FIG. The electrical isolation of the layer 1232 will prevent the fluid 19 from electrically contacting the battery core 11, the battery fixing frame 12 and/or the first battery conductive frame 13 when flowing in the fixing through hole 123 of the battery fixing frame 12, resulting in lowering of the battery module. 100 chance of damage.

Further, referring to FIG. 9 again, the pipe body 17 includes an input pipe body 171 , at least one relay pipe body 172 and an output pipe body 173 . One end of the input pipe body 171 is connected to a corresponding fixing through hole 123 and the other end is used as a fluid input port 1711 , for example, a cold port input of fluid. Two ends of the relay pipe body 172 are respectively connected to two corresponding fixing through holes 123 . One end of the output pipe body 173 is connected to a corresponding fixing through hole 123 and the other end is used as a fluid output port 1731 , for example, the hot end of the fluid is output. When the fluid 19 is input through the fluid input end 1711 of the input pipe body 171 , the fluid 19 will successively pass through each relay pipe body 172 and each fixing through hole 123 , and then output from the fluid output end 1731 of the output pipe body 173 . Furthermore, the heat generated by the operation of the battery core 11 or thermal runaway will be conducted to the battery holder 12, and the fluid 19 flowing in the fixing through hole 123 of the battery holder 12 will absorb part of the heat energy on the battery holder 12, And the heat is quickly taken away from the battery fixing frame 12, so that the battery core 11 can cool down quickly, and the safety of the battery module 100 during use is improved.

Furthermore, in one embodiment of the present invention, as shown in FIG. 7 , the first battery conductive frame 13 is a metal sheet with a large area, and one end of each battery cell 11 is welded to the same first battery conductive frame 13 . The points 131 are welded together, and in order to allow the tube body 17 to pass through the first battery conductive frame 13 , a plurality of perforations 133 are formed on the first battery conductive frame 13 . The tube body 17 passes through the through hole 133 of the first battery conductive frame 13 and the through hole 153 of the first positioning bracket 15 to be fixed on the corresponding fixing through hole 123 . Alternatively, in another embodiment of the present invention, as shown in FIG. 8 , the battery module 100 includes a plurality of small-area first battery conductive frames 13, and one end of some battery cells 11 is connected to one of the first battery conductive frames 13. The welding points 131 of the first battery are welded together, and one end of the other battery core 11 will be welded together with the welding point 131 on the conductive frame 13 of the other first battery. Between the gaps of frame 13.

Please refer to Figure 10 to Figure 14 and Figure 16 at the same time, Figure 10 is a perspective exploded view of part of the structure of another embodiment of the battery module of the present invention, Figure 11 is a perspective view of another embodiment of the battery holder of the present invention, Figure 12 It is a sectional view of the CC' direction of the battery fixing frame in FIG. 11 of the present invention, FIG. 13 is a perspective view of an embodiment of the second positioning bracket of the present invention, and FIG. 14 is an embodiment of the second battery conductive frame of the present invention. The top view of the structure and FIG. 16 is a schematic structural view of another embodiment of the battery module of the present invention. As shown in Figures 10 to 13, in the battery module 101 of this embodiment, the battery accommodating hole 122 of the battery fixing frame 12 is in the form of a perforation, and the positive pole and the negative pole of the battery core 11 are respectively arranged on the upper end of the battery core 11. and lower end. Further, compared with the battery module 100 of the above-mentioned embodiment, the battery module 101 of this embodiment further includes at least a second battery conductive frame 14 and a second positioning bracket 16 . The second battery conductive frame 14 is disposed under the battery fixing frame 12 and includes a plurality of welding points 141 . The other end of the battery core 11 will be welded together with the welding point 141 of the second battery conductive frame 14, so that those battery cores 11 can be electrically connected in series and/or parallel through the first battery conductive frame 13 and the second battery conductive frame 14. connect. The second positioning bracket 16 is disposed between the battery fixing frame 12 and the second battery conductive frame 14 . In the present invention, the second positioning bracket 16 can also be a bracket made of plastic material. The second positioning bracket 16 includes a plurality of second positioning through holes 161 . The other end of each battery cell 11 protrudes below the battery accommodating hole 121 and is electrically connected to the second battery conductive frame 14 through the corresponding second positioning through hole 161 . Moreover, as shown in FIG. 4, each fixing through hole 123 includes at least one protrusion 1231, which protrudes above the upper surface and under the lower surface of the battery fixing frame 12, and the second positioning bracket 16 includes There are a plurality of through holes 163 , each pair of through holes 163 is located in each fixing through hole 123 . The convex portion 1231 of each fixing through hole 123 will pass through the perforation 163, and the interface of the pipe body 17 will be fixed on the convex portion 1231 of the corresponding fixing through hole 123 by socket or sintering, so that the fluid 19 can be fixed Flow occurs between the through hole 123 and the pipe body 17 .

Furthermore, in one embodiment of the present invention, as shown in FIG. 14 , the second battery conductive frame 14 is a metal sheet with a large area, and the other end of each battery core 11 is connected to the same second battery conductive frame 14 . The welding points 141 are welded together, and in order to allow the tube body 17 to pass through the second battery conductive frame 14 , a plurality of perforations 143 are formed on the second battery conductive frame 14 . The tube body 17 passes through the through hole 143 of the second battery conductive frame 14 and the through hole 163 of the second positioning bracket 16 to be fixed on the corresponding fixing through hole 123 . Alternatively, in another embodiment of the present invention, as shown in FIG. 15 , the battery module 101 includes a plurality of second battery conductive frames 14 with small areas, and the other end of some battery cells 11 is connected to one of the second battery conductive frames 14 The welding point 141 on the second battery cell is welded together, and the other end of the other battery core 11 will be welded together with the welding point 141 on the conductive frame 14 of another second battery. Between the gaps of the battery conductive frame 14 .

Referring to FIG. 16 , the pipe body 17 includes an input pipe body 171 , at least one relay pipe body 172 and an output pipe body 173 . One end of the input tube body 171 is connected to a corresponding fixing through hole 123 and the other end serves as a fluid input port 1711 . Two ends of the relay pipe body 172 are respectively connected to two corresponding fixing through holes 123 . One end of the output tube body 173 is connected to a corresponding fixing through hole 123 and the other end serves as a fluid output port 1731 . When the fluid 19 is input through the fluid input end 1711 of the input pipe body 171 , the fluid 19 will successively pass through each relay pipe body 172 and each fixing through hole 123 , and then output from the fluid output end 1731 of the output pipe body 173 . Furthermore, the heat generated by the operation of the battery core 11 or thermal runaway will be conducted to the battery holder 12, and the fluid 19 flowing in the fixing through hole 123 of the battery holder 12 will absorb part of the heat energy on the battery holder 12, And the heat is quickly taken away from the battery fixing frame 12, so that the battery core 11 can cool down quickly, and the safety of the battery module 101 during use is improved.

Please refer to FIG. 17 , which is a schematic structural diagram of an embodiment of the battery device of the present invention. As shown in the figure, the battery device 200 of the present invention includes a plurality of battery modules 101 . Each battery module 101 is connected to another set of battery modules 101 through at least one corresponding tube 17 (such as a relay tube 172 ).

In the battery device 200, one end of the input tube body 171 is connected to a corresponding fixed through hole 123 of one of the battery modules 101 (such as the rightmost battery module), and the other end is used as the fluid input port 1711; the output tube One end of the body 173 is connected to a corresponding fixing through hole 123 of another group of battery modules 101 (such as the leftmost battery module), and the other end is used as a fluid output port 1731; the two ends of the relay pipe body 172 are connected to The two corresponding fixing through holes 123 on the same set of battery modules 101, or the two ends of the relay tube body 172 are respectively connected to the two corresponding fixing through holes 123 of different sets of battery modules 101, for example: the relay tube One end of the body 172 is connected to the fixing through hole 123 of one set of battery modules 101 , and one end of the relay pipe body 172 is connected to the fixing through hole 123 of the other set of battery modules 101 .

When the fluid 19 is input from the fluid input end 1711 of the input pipe body 171 , it successively passes through the battery holders 12 of each battery module 101 and is output from the fluid output end 1731 of the output pipe body 173 . When thermal runaway occurs in one of the battery modules 101, the fluid 19 will bring or exchange the heat energy on the battery holder 12 of the thermally runaway battery module 101 to the battery holder 12 of the other battery module 101, In order to assist the heat dissipation through the battery fixing frame 12 of another battery module 101 , or absorb heat energy through the fluid 19 , so as to output the fluid 19 absorbing heat energy through the fluid output port 1731 .

Further, the plurality of battery modules 101 of the battery device 200 are placed inside a housing box 21 . The housing box 21 includes an input hole 211 and an output hole 212 . The fluid input end 1711 of the input tube body 171 passes through the input hole 211 to the outside of the housing box 21 and is connected to a fluid supply device (not shown). The fluid output end 1731 of the output tube body 173 passes through the output hole 212 to the outside of the casing 21 and is connected to a fluid recovery device (not shown). Then, when the battery module 101 of the battery device 200 is in operation, the fluid supply device supplies the fluid 19 to the battery device 200, so that the flow of the fluid 19 can take away the heat generated by the battery module 101 during operation or thermal runaway, and pass through The fluid recovery device recovers the fluid 19 that absorbs heat energy. In this way, the fluid 19 is continuously supplied and recycled in order to dissipate heat from the battery module 101 in the battery device 200 and increase the safety of the battery device 200 during operation.

Please refer to FIG. 18A and FIG. 18B , which are a structural sectional view of an embodiment of the fixing through hole of the present invention and a structural sectional view of another embodiment of the fixing through hole of the present invention, respectively. As shown in FIG. 18A , in one embodiment of the present invention, the pipeline of the fixed through hole 123 is presented as a circular hole, and the fluid 19 will flow in the pipeline of the circular hole. Or, as shown in FIG. 18B, in another embodiment of the present invention, in order to increase the heat conduction speed of the battery holder 12, the pipelines of the fixing through holes 123 can also be presented in a snowflake-like manner, then the fluid 19 can pass through Each branch of the snowflake-shaped pipeline quickly takes away the heat.

The above is only one of the preferred embodiments of the present invention, and is not used to limit the scope of the present invention, that is, all changes and equal changes made according to the shape, structure, characteristics and spirit described in the patent scope of the present invention Modifications should be included in the patent application scope of the present invention.

100: battery module 101:Battery module 11: battery cell 12: Battery holder 121: battery accommodation hole 123: Fixed through hole 1231: convex part 1232: isolation coating 13: The first battery conductive frame 131: welding point 133: perforation 14: Second battery conductive frame 141: welding point 143: perforation 15: The first positioning bracket 151: the first positioning through hole 153: perforation 16: The second positioning bracket 161: the second positioning through hole 163: perforation 17: tube body 171: input pipe body 1711: Fluid input 172: Relay body 173: output pipe body 1731: Fluid output 19: fluid 200: battery device 21: Shell box 211: input hole 213: output hole

FIG. 1 is an exploded perspective view of part of the structure of an embodiment of the battery module of the present invention.

Fig. 2 is a structural top view of an embodiment of the battery holder of the present invention.

Fig. 3 is a three-dimensional perspective view of an embodiment of the battery holder of the present invention.

Fig. 4 is a sectional view of the A-A' direction of the battery holder in Fig. 3 of the present invention.

Fig. 5 is a sectional view of the B-B' direction of the battery holder in Fig. 3 of the present invention.

Fig. 6 is a three-dimensional perspective view of an embodiment of the first positioning bracket of the present invention.

Fig. 7 is a structural bottom view of an embodiment of the first battery conductive frame of the present invention.

Fig. 8 is a structural bottom view of another embodiment of the first battery conductive frame of the present invention.

FIG. 9 is a schematic structural view of an embodiment of the battery module of the present invention.

FIG. 10 is an exploded perspective view of part of the structure of another embodiment of the battery module of the present invention.

Fig. 11 is a three-dimensional perspective view of another embodiment of the battery holder of the present invention.

Fig. 12 is a sectional view of the C-C' direction of the battery holder in Fig. 11 of the present invention.

Fig. 13 is a three-dimensional perspective view of an embodiment of the second positioning bracket of the present invention.

Fig. 14 is a top view of the structure of an embodiment of the second battery conductive frame of the present invention.

Fig. 15 is a structural top view of another embodiment of the second battery conductive frame of the present invention.

Fig. 16 is a schematic structural diagram of another embodiment of the battery module of the present invention.

Fig. 17 is a schematic structural view of an embodiment of the battery device of the present invention.

Fig. 18A is a structural sectional view of an embodiment of the fixing through hole of the present invention.

Fig. 18B is a structural sectional view of another embodiment of the fixing through hole of the present invention.

100: battery module

12: Battery holder

123: Fixed through hole

1231: Convex

13: The first battery conductive frame

15: The first positioning bracket

17: tube body

171: input pipe body

1711: Fluid input

172: Relay body

173: output pipe body

1731: Fluid output

19: Fluid

Claims (9)

A battery module with cooling effect, comprising: a plurality of battery cores; a battery fixing frame, comprising a plurality of battery accommodation holes and a plurality of fixing through holes, each of the battery cores is respectively placed in a corresponding battery container placed in the hole; at least one first battery conductive frame is arranged on the battery fixing frame, and the plurality of battery cells are connected in series or in parallel through the first battery conductive frame; and a plurality of tubes, each of which is connected to On the corresponding fixed through holes; wherein, a fluid flows between the plurality of tubes and the plurality of fixed through holes, and the heat generated by the battery core is taken away by the flow of the fluid; each of the fixed An isolation coating is provided on the inner wall of the through hole. The battery module as described in claim 1, wherein the tube body includes an input tube body, at least one relay tube body and an output tube body; one end of the input tube body is connected to a corresponding fixing through hole and the other One end is used as a fluid input end; one end of the output pipe body is connected to a corresponding fixed through hole and the other end is used as a fluid output end; the two ends of the relay pipe body are respectively connected to two corresponding fixed through holes . The battery module as described in claim 1, wherein the battery module further includes a first positioning bracket, the first positioning bracket is arranged between the battery fixing frame and the first battery conductive frame, and the first positioning bracket includes A plurality of first positioning through holes, one end of each battery core passes through above the battery accommodating hole and is electrically connected to the first battery conductive frame through the corresponding first positioning through holes. The battery module as described in claim 3, wherein the battery module further includes at least a second battery conductive frame and a second positioning bracket, the second battery conductive frame is arranged under the battery fixing frame, the second The positioning bracket is arranged between the battery fixing frame and the second battery conductive frame, and the second positioning bracket includes a plurality of second positioning through holes, and the other end of each battery cell passes through the bottom of the battery accommodating hole. It is electrically connected to the second battery conductive frame through the corresponding second positioning through hole. The battery module according to claim 3, wherein the first positioning bracket and the second positioning bracket respectively include a plurality of through holes, each of the fixing through holes includes at least one protrusion, and the protrusion of the fixing through hole The part passes through the corresponding through hole and is connected with the pipe body. The battery module as claimed in claim 1, wherein the fluid is water or cooling liquid. A battery device with heat dissipation effect, comprising a plurality of battery modules, each of which includes: a plurality of battery cells; a battery fixing frame, including a plurality of battery accommodating holes and a plurality of fixing through holes, each The battery cells are respectively placed in a corresponding battery accommodating hole; at least one first battery conductive frame is arranged on the battery fixing frame, and the plurality of battery cells are connected in series or in parallel through the first battery conductive frame a plurality of tubes, each of which is connected to the corresponding fixing through hole; wherein, each group of the battery modules is connected to another group of the battery modules through at least one corresponding tube, A fluid flows between the plurality of tubes and the plurality of fixing through holes of each group of the battery module, and the heat generated by the battery cells of each group of the battery module is taken away by the flow of the fluid ; An isolation coating is provided on the inner wall of each of the fixing through holes. The battery device according to claim 7, wherein each of the battery modules further includes a first positioning bracket, at least one second battery conductive frame and a second positioning bracket, and the first positioning bracket is arranged on the battery fixing frame Between the first battery conductive frame, the first positioning bracket includes a plurality of first positioning through holes, and one end of each battery core passes through the battery accommodating hole and passes through the corresponding first positioning through hole Electrically connected to the first battery conductive frame, the second battery conductive frame is arranged under the battery fixing frame, the second positioning bracket is arranged between the battery fixing frame and the second battery conductive frame, the second positioning The bracket includes a plurality of second positioning through holes, and the other end of each battery core passes through the bottom of the battery accommodating hole and is electrically connected to the second battery conductive frame through the corresponding second positioning through holes. The battery device as described in claim 8, wherein the plurality of battery modules are placed in a casing box, the casing box includes an input hole and an output hole, and the tube body includes an input tube body, at least one Relay pipe body and an output pipe body; one end of the input pipe body is connected to a corresponding fixed through hole of one of the battery modules, and the other end is used as a fluid input end, and the fluid input end passes through the input hole Out to the outside of the casing box; one end of the output tube is connected to a corresponding fixing through hole of another group of the battery module and the other end is used as a fluid output end, and the fluid output end passes through the output hole The two ends of the relay pipe are connected to the two corresponding fixing through holes of the same group of battery modules, or the two ends of the relay pipe are connected to different groups of battery modules respectively. The two corresponding fixing through holes of the battery module.

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