CN221126144U - Novel household energy storage system - Google Patents
Novel household energy storage system Download PDFInfo
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- CN221126144U CN221126144U CN202323022928.3U CN202323022928U CN221126144U CN 221126144 U CN221126144 U CN 221126144U CN 202323022928 U CN202323022928 U CN 202323022928U CN 221126144 U CN221126144 U CN 221126144U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 239000010445 mica Substances 0.000 claims abstract description 33
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000004880 explosion Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000006837 decompression Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a novel household energy storage system which comprises a box body, a battery system, a BMS battery management system, an inverter and a box cover, wherein the battery system comprises a plurality of battery modules connected in series/parallel and an FPC (flexible printed circuit) collection circuit board, mica sheets are arranged between two adjacent battery modules, decompression spaces are reserved between the mica sheets and cylindrical cells on two sides, the FPC collection circuit board is covered on the upper sides and the front sides of the battery modules and is connected with bus copper bars of each battery module, the BMS battery management system and the inverter are electrically connected with the battery system, and the FPC collection circuit board is in communication connection with the BMS battery management system. According to the utility model, the mica sheets and the pressure relief space are arranged between the battery modules, so that heat generated during the operation of the battery modules or heat generated by the thermal failure of the single battery module can be diffused out through the upper side gaps of the plastic bracket, the temperature balance of the energy storage system is ensured, the consistency of the single battery is ensured, the service life of the energy storage battery is prolonged, and the explosion accident is effectively prevented.
Description
Technical Field
The utility model relates to the technical field of energy storage systems, in particular to a novel household energy storage system.
Background
Consumer energy storage is an important component of distributed energy sources (DER). The distributed energy supply can save the power transmission and distribution cost, lower the cost and improve the electric energy quality and the energy efficiency. For families, the power consumption cost can be reduced by improving the spontaneous proportion, participating in auxiliary service and the like, and meanwhile, the power consumption cost is used as an emergency standby power supply when the middle end of the power grid is caused by factors such as major disasters and the like, so that the reliability of power supply of the families is improved; for the power grid, the VRE (fluctuating renewable energy) duty ratio is rapidly increased, the difference between the power generation curve and the power utilization curve is further increased, and the energy storage is configured to transfer the power in time to assist the power grid in balancing the power generation capacity and the power utilization requirement.
However, the existing household energy storage device has the deadly defects that the quality is difficult to guarantee and after-sales service is good and bad. Is generally transversely placed on the ground, and occupies a large indoor space; the existing household energy storage device generates a large amount of heat to be accumulated due to the influence of space during operation, so that the temperature of the household energy storage battery system is unbalanced, the consistency of single batteries is influenced, and the service life of the system is further influenced; the existing household energy storage device is insufficient in thermal failure protection, and the whole energy storage system is often damaged or even an explosion accident is caused due to the fact that individual battery cells are influenced by thermal failure.
Disclosure of utility model
In order to solve the problems that the existing household energy storage device is large in occupied space and unbalanced in temperature, the consistency of single batteries is affected, and thermal failure protection is insufficient, the utility model provides a novel household energy storage system which adopts a wall-mounted installation mode, so that the installation space is saved; the heat insulation of the mica sheets is adopted, so that heat generated by thermal failure of a single battery module can be effectively prevented from being diffused to adjacent battery modules, meanwhile, a pressure release space is reserved between the mica sheets and the bus copper bars, the temperature balance of the energy storage system can be ensured, the consistency of single batteries is ensured, and the service life of the energy storage battery is prolonged; meanwhile, heat generated by thermal failure of the single battery module can be rapidly diffused out from a gap between the connecting plate at the upper side of the plastic bracket and the connecting plate, so that explosion accidents can be effectively prevented.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a novel household energy storage system which characterized in that: comprises a box body, a battery system, a BMS battery management system, an inverter and a box cover, wherein the battery system is arranged in the box body, a pressure release space of 3mm is reserved between the bottom and the bottom surface in the box body, the battery system comprises a plurality of battery modules and FPC collecting circuit boards which are sequentially connected side by side and are connected in series/parallel, a plurality of cylindrical cells uniformly distributed in array are arranged in the battery modules, gaps of 1.1-1.5 mm are reserved between the adjacent cylindrical cells, mica sheets are arranged between the two adjacent battery modules and used for heat insulation, a pressure release space is reserved between the mica sheets and the cylindrical cells on two sides, the upper end of the pressure release space is provided with gaps to enable heat generated by the operation of the battery modules to be quickly diffused, the FPC collecting circuit boards are L-shaped bending boards and cover the upper sides and the front sides of the battery modules and are connected with bus copper bars of each battery module, the inverter is arranged on the left side of the battery system on the bottom plate in the box body, the BMS battery management system is arranged on the upper plane of the inverter, the BMS battery management system is in communication connection with the inverter and is electrically connected with the battery system, the FPC collecting circuit board is in communication connection with the BMS battery management system and is used for collecting the charge/discharge voltage and the temperature of each battery module and sending collected data to the BMS battery management system, the BMS battery management system controls the charge/discharge voltage of the battery system according to the feedback information of the FPC collecting circuit board, controls the temperature of the battery system when the battery system is charged/discharged without overheating, thereby protecting the battery system, the right side wall of the box body is provided with two low-voltage interfaces and two high-voltage interfaces, the output end of the inverter is electrically connected with the high-voltage interface, the BMS battery management system is in communication connection with the low-voltage interface, the high-voltage interface is used for carrying out charge/discharge connection with external equipment, the low-voltage interface is used for being connected with a user data processing system, and the charge/discharge condition of the energy storage system is fed back to a user in real time.
Further, battery system still includes backup pad, insulation board, preceding protection curb plate, back protection curb plate, insulating boot, high voltage insulation cover and connecting screw, and a plurality of battery module's that connect side by side in proper order left and right both ends all are equipped with mica sheet, insulation board and backup pad outward in proper order from interior, the front side and the rear side of battery module are located respectively to preceding protection curb plate and back protection curb plate, FPC collection circuit board cover locates the upside and the preceding protection curb plate outside of battery module, the insulating boot is L type bending plate, covers the outside of locating FPC collection circuit board, the high voltage insulation cover appearance is unanimous with the power terminal box shape in the backup pad outside of left side to cover is located on this power terminal box outer terminal surface, battery system locks fixed connection through four connecting screw.
Further, the battery module comprises a bus copper bar, a left plastic bracket, a plurality of cylindrical electric cores uniformly distributed in an array, a right plastic bracket and a bus copper bar which are sequentially connected from left to right, wherein two ends of each cylindrical electric core are respectively inserted into electric core slot plates in the left plastic bracket and the right plastic bracket, the left end face of the left plastic bracket and the right end face of the right plastic bracket are 6-6.7 mm higher than the outer side face of the bus copper bar, the bus copper bar is arranged at the corresponding position of each column of cylindrical electric cores on the outer side face of the electric core slot plates, and the bus copper bar is electrically connected with the end part of each cylindrical electric core to connect a plurality of cylindrical electric cores in series/parallel;
Grooves are formed in the upper side surfaces of the left plastic support and the right plastic support and correspond to the positions of each row of bus copper bars, inward bending edges are formed in the upper ends of the bus copper bars, the bending edges are spliced with the grooves, a plurality of uniformly distributed connecting plates protruding outwards are arranged on the upper side surfaces of the left plastic support and the right plastic support, and the connecting plates are arranged between two adjacent grooves;
The utility model discloses a battery module, including plastic support, connecting plate, mica sheet, heat dissipation space, insulation and heat insulation, the mica sheet both ends face is laminated mutually with the plastic support terminal surface that two adjacent battery modules are relative respectively, and upper end and connecting plate correspond the position and all are equipped with the draw-in groove, draw-in groove and both sides connecting plate looks joint can prevent that the mica sheet from producing the drunkenness, the distance between the copper bar is converged to the both sides face of mica sheet and corresponding side respectively is established to 6 ~ 6.7mm, is the pressure release space, the heat that produces when the local cylinder electricity core thermal failure takes place is fast to be followed the space between plastic support upper end connecting plate and the connecting plate and is gone out, the mica sheet plays thermal-insulated effect, can prevent that the heat from diffusing to the battery module of next door, arouses the emergence of unexpected explosion accident.
Further, a pressure release valve is arranged on the left front side wall of the box body and used for timely releasing pressure when the battery is in thermal failure.
Furthermore, the two sides of the right side of the bottom of the box body are provided with hanging lugs which are used for installing the energy storage system on a wall, so that the installation space is saved.
Compared with the prior art, the utility model has the beneficial effects that: 1. by adopting the BMS battery management system and the inverter, the charge/discharge voltage and the charge/discharge temperature of each cylindrical cell of the battery system can be controlled, so that the battery system is protected from overheating during charge/discharge, and the safety of the battery system is improved; 2. by arranging mica sheets between the battery modules for heat insulation, heat generated by thermal failure of a single battery module can be effectively prevented from being diffused to adjacent battery modules; 3. the pressure release space is arranged between the mica sheet and the busbar copper, so that heat generated during the operation of the battery module can be diffused out through a gap between the connecting plate at the upper side of the plastic bracket and the connecting plate, the temperature balance of the energy storage system is ensured, the consistency of single batteries is ensured, and the service life of the energy storage battery is prolonged; meanwhile, heat generated by thermal failure of the single battery module can be rapidly diffused out from a gap between the connecting plate at the upper side of the plastic bracket and the connecting plate, so that explosion accidents can be effectively prevented; 4. through the arrangement of the hanging lugs, the utility model can be installed with the wall hanging, the installation space is saved.
Drawings
FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an exploded view of a battery system according to an embodiment of the present utility model;
Fig. 4 is a schematic view illustrating an explosion structure of a battery module according to an embodiment of the present utility model;
Fig. 5 is a schematic view of a mounting structure of a battery module and a mica sheet according to an embodiment of the present utility model.
In the figure: 1. the battery pack comprises a box body, 2, a cover plate, 3, a battery system, 301, a battery module, 3011, a left plastic support, 3012, a right plastic support, 3013, a cylindrical battery cell, 3014, a bus copper bar, 3015, a groove, 3016, a connecting plate, 302, a mica sheet, 3021, a clamping groove, 303, an insulating plate, 304, a supporting plate, 305, a connecting screw, 306, an FPC collecting circuit board, 307, a front protection side plate, 308, a rear protection side plate, 309, an insulating cover, 310, a high-voltage insulating cover, 311, a pressure relief space, 4, a BMS battery management system, 5, an inverter, 6, a hanging lug, 7, a pressure relief valve, 8, a low-voltage interface, 9 and a high-voltage interface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the embodiment of the utility model comprises a box body 1, a battery system 3, a BMS battery management system 4, an inverter 5 and a box cover 2, wherein the battery system 3 is arranged in the box body 1, a pressure release space of 3mm is reserved between the bottom and the inner bottom surface of the box body 1, the battery system 3 comprises 4 battery modules 301 and an FPC collection circuit board 306 which are sequentially connected side by side and in series/parallel, a plurality of cylindrical cells 3013 which are uniformly distributed in array are arranged in the battery modules 301, gaps of 1.5mm are reserved between every two adjacent cylindrical cells 3013, mica sheets 302 are arranged between every two adjacent battery modules 301 for heat insulation, a pressure release space 311 is reserved between each mica sheet 302 and each cylindrical cell 3013 at two sides, the upper end of the pressure release space 311 is provided with a gap for rapidly diffusing heat generated by the operation of the battery modules 301, the FPC collection circuit board 306 is an L-shaped bending board, the upper side and the front side of the 4 battery modules 301 are covered, the upper side and the front side of each battery module 301 are connected with a bus copper bar 3014 of each battery module 301, an inverter 5 is arranged on the left side of a battery system 3 on the bottom plate in the box body 1, a BMS battery management system 4 is arranged on the upper plane of the inverter 5, the BMS battery management system 4 is in communication connection with the inverter 5, the BMS battery management system 4 and the inverter 5 are electrically connected with the battery system 3, an FPC collecting circuit board 306 is in communication connection with the BMS battery management system 4 and is used for collecting the charge/discharge voltage and the temperature of each battery module 301 and sending the collected data to the BMS battery management system 4, the BMS battery management system 4 controls the charge/discharge voltage of the battery system 301 according to the feedback information of the FPC collecting circuit board 306, and the temperature during charge/discharge does not need to be overheated, so as to protect the battery system 3, two low-voltage interfaces 8 and two high-voltage interfaces 9 are arranged on the right side wall of the box body 1, the output end of the inverter 5 is electrically connected with a high-voltage interface 9, the BMS battery management system 4 is in communication connection with a low-voltage interface 8, the high-voltage interface 8 is used for being in charge/discharge connection with external equipment, the low-voltage interface 9 is used for being connected with a user data processing system, and the charge/discharge condition of the energy storage system is fed back to a user in real time.
The battery system 3 further comprises a supporting plate 304, an insulating plate 303, a front protection side plate 307, a rear protection side plate 308, an insulating cover 309, a high-voltage insulating cover 310 and a connecting screw 305,4, wherein the left end and the right end of the battery module 301 which are sequentially connected side by side are sequentially provided with a mica sheet 302, the insulating plate 303 and the supporting plate 304 from inside to outside, the front protection side plate 307 and the rear protection side plate 308 are respectively arranged on the front side and the rear side of the battery module 301, an FPC collecting circuit board 306 is covered on the upper side of the battery module 301 and the outer side of the front protection side plate 307, the insulating cover 309 is an L-shaped bending plate and is covered on the outer side of the FPC collecting circuit board 306 for insulation, the shape of the high-voltage insulating cover 310 is consistent with the shape of a power connection box on the outer side of the left supporting plate 304, the power connection box is covered on the outer end face of the power connection box, and the battery system 3 is fixedly connected through locking of the four connecting screws 305.
The battery module 301 comprises a bus copper bar 3014, a left plastic support 3011, a plurality of cylindrical electric cores 3013 uniformly distributed in an array manner, a right plastic support 3012 and bus copper bars 3014, wherein two ends of each cylindrical electric core 3013 are respectively inserted into electric core slot plates in the left plastic support 3011 and the right plastic support 3012, bus copper bars 3014 are arranged at corresponding positions of each column of cylindrical electric cores 3013 on the outer side surface of each electric core slot plate, the bus copper bars 3014 are electrically connected with the end parts of each cylindrical electric core 3013, the cylindrical electric cores 3013 are connected in series/parallel, and the left side end surface of the left plastic support 3011 and the right side end surface of the right plastic support 3012 are higher than the outer side surface of each bus copper bar 3014 by 6-6.7 mm;
Grooves 3015 are formed in the upper side surfaces of the left plastic support 3011 and the right plastic support 3012 and correspond to the positions of the busbar copper bars 3014 in each row, inward bending edges are formed at the upper ends of the busbar copper bars 3014, the bending edges are spliced with the grooves 3015, a plurality of uniformly distributed connecting plates 3016 protruding outwards are arranged on the upper side surfaces of the left plastic support 3011 and the right plastic support 3012, and the connecting plates 3016 are arranged between two adjacent grooves 3015;
The two end surfaces of the mica sheet 302 are respectively attached to the end surfaces of the plastic support opposite to the two adjacent battery modules 301, clamping grooves 3021 are formed in the positions, corresponding to the connecting plates 3016, of the upper ends of the mica sheets 302, the clamping grooves 3021 are clamped with the connecting plates 3016 on the two sides, movement of the mica sheets 302 can be prevented, the distance between the two side surfaces of the mica sheets 302 and the corresponding side bus copper bars 3014 is set to be 6-6.7 mm, namely, a pressure release space 311 is formed, heat generated when the local cylindrical battery cells 3013 are in thermal failure can be rapidly dissipated from a gap between the connecting plates 3016 on the upper ends of the plastic support, the mica sheets 302 play a role of insulation and heat insulation, the heat can be prevented from being diffused to the battery modules 301 beside, and unexpected explosion accidents can be caused.
The left front side wall of the box body 1 is provided with a pressure release valve 7 for timely releasing pressure when the battery is in thermal failure.
The two sides of the right side of the bottom of the box body 1 are provided with hanging lugs 6 for installing the energy storage system on a wall, so that the installation space is saved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (5)
1. The utility model provides a novel household energy storage system which characterized in that: comprises a box body, a battery system, a BMS battery management system, an inverter and a box cover, wherein the battery system is arranged in the box body, a pressure release space of 3mm is reserved between the bottom and the bottom surface in the box body, the battery system comprises a plurality of battery modules and FPC collecting circuit boards which are sequentially connected side by side and are connected in series/parallel, a plurality of cylindrical cells uniformly distributed in array are arranged in the battery modules, gaps of 1.1-1.5 mm are reserved between the adjacent cylindrical cells, mica sheets are arranged between the two adjacent battery modules and used for heat insulation, a pressure release space is reserved between the mica sheets and the cylindrical cells on two sides, the upper end of the pressure release space is provided with gaps to enable heat generated by the operation of the battery modules to be quickly diffused, the FPC collecting circuit boards are L-shaped bending boards and cover the upper sides and the front sides of the battery modules and are connected with bus copper bars of each battery module, the inverter is arranged on the left side of a battery system on a bottom plate in the box body, the BMS battery management system is arranged on an upper plane of the inverter, the BMS battery management system is in communication connection with the inverter and is electrically connected with the battery system, the FPC collecting circuit board is in communication connection with the BMS battery management system and is used for collecting charge/discharge voltage and temperature of each battery module and sending collected data to the BMS battery management system, the BMS battery management system controls the charge/discharge voltage of the battery system and the temperature during charge/discharge according to feedback information of the FPC collecting circuit board, so that the battery system is protected, two low-voltage interfaces and two high-voltage interfaces are arranged on the right side wall of the box body, the output end of the inverter is electrically connected with the high-voltage interface, the BMS battery management system is in communication connection with the low-voltage interface, the high-voltage interface is used for carrying out charge/discharge connection with external equipment, the low-voltage interface is used for being connected with a user data processing system, and the charge/discharge condition of the energy storage system is fed back to a user in real time.
2. The novel household energy storage system of claim 1, wherein: the battery system further comprises a supporting plate, an insulating plate, a front protection side plate, a rear protection side plate, an insulating cover, a high-voltage insulating cover and connecting screws, wherein mica sheets, an insulating plate and the supporting plate are sequentially arranged at the left end and the right end of each battery module which are sequentially connected side by side from inside to outside, the front protection side plate and the rear protection side plate are respectively arranged on the front side and the rear side of each battery module, the FPC collecting circuit board covers the upper side and the outer side of the front protection side plate of each battery module, the insulating cover is an L-shaped bending plate and covers the outer side of the FPC collecting circuit board, the shape of the high-voltage insulating cover is consistent with that of a power connection box on the outer side of the left supporting plate, and the battery system is fixedly connected through locking of the four connecting screws.
3. The novel household energy storage system of claim 2, wherein: the battery module comprises a bus copper bar, a left plastic bracket, a plurality of cylindrical electric cores uniformly distributed in an array, a right plastic bracket and a bus copper bar which are sequentially connected from left to right, wherein two ends of each cylindrical electric core are respectively inserted into electric core slot plates in the left plastic bracket and the right plastic bracket, the left end face of the left plastic bracket and the right end face of the right plastic bracket are 6-6.7 mm higher than the outer side face of the bus copper bar, the bus copper bars are arranged at the corresponding positions of each column of cylindrical electric cores on the outer side face of the electric core slot plates, and are electrically connected with the end parts of each cylindrical electric core to connect a plurality of cylindrical electric cores in series/parallel;
Grooves are formed in the upper side surfaces of the left plastic support and the right plastic support and correspond to the positions of each row of bus copper bars, inward bending edges are formed in the upper ends of the bus copper bars, the bending edges are spliced with the grooves, a plurality of uniformly distributed connecting plates protruding outwards are arranged on the upper side surfaces of the left plastic support and the right plastic support, and the connecting plates are arranged between two adjacent grooves;
The utility model discloses a battery module, including plastic support, connecting plate, mica sheet, heat dissipation space, insulation and heat insulation, the mica sheet both ends face is laminated mutually with the plastic support terminal surface that two adjacent battery modules are relative respectively, and upper end and connecting plate correspond the position and all are equipped with the draw-in groove, draw-in groove and both sides connecting plate looks joint can prevent that the mica sheet from producing the drunkenness, the distance between the copper bar is converged to the both sides face of mica sheet and corresponding side respectively is established to 6 ~ 6.7mm, is the pressure release space, the heat that produces when the local cylinder electricity core thermal failure takes place is fast to be followed the space between plastic support upper end connecting plate and the connecting plate and is gone out, the mica sheet plays thermal-insulated effect, can prevent that the heat from diffusing to the battery module of next door, arouses the emergence of unexpected explosion accident.
4. A novel household energy storage system as claimed in claim 3, wherein: the left front side wall of the box body is provided with a pressure relief valve for timely relieving pressure when the battery is in thermal failure.
5. The novel household energy storage system of claim 1, wherein: the two sides of the right side of the bottom of the box body are provided with hanging lugs which are used for installing the energy storage system on a wall, so that the installation space is saved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323022928.3U CN221126144U (en) | 2023-11-09 | 2023-11-09 | Novel household energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323022928.3U CN221126144U (en) | 2023-11-09 | 2023-11-09 | Novel household energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221126144U true CN221126144U (en) | 2024-06-11 |
Family
ID=91338746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323022928.3U Active CN221126144U (en) | 2023-11-09 | 2023-11-09 | Novel household energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221126144U (en) |
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2023
- 2023-11-09 CN CN202323022928.3U patent/CN221126144U/en active Active
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