CN217507463U - Battery rack and battery cluster unit - Google Patents
Battery rack and battery cluster unit Download PDFInfo
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- CN217507463U CN217507463U CN202220837931.7U CN202220837931U CN217507463U CN 217507463 U CN217507463 U CN 217507463U CN 202220837931 U CN202220837931 U CN 202220837931U CN 217507463 U CN217507463 U CN 217507463U
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Abstract
The utility model relates to a battery rack, which comprises a plurality of battery accommodating cavities defined on the battery rack and a heat dissipation shell arranged at the rear side of the battery accommodating cavities, wherein the battery accommodating cavities are suitable for installing battery modules; the heat dissipation casing includes: the rear panel is fixed on the rear side of the battery accommodating cavity and is provided with a plurality of ventilation holes corresponding to the positions of the air outlets of the battery modules, and the ventilation holes are suitable for introducing heat dissipation airflow exhausted from the air outlets of the battery modules; and the air cavity plate is arranged behind the back panel at intervals, a cavity between the air cavity plate and the back panel forms a closed air channel, and the air channel is suitable for guiding heat dissipation airflow into an external refrigerating device. The utility model discloses when high-efficient high density is integrated, have the design of multi-functional polymerization, for the integration of big energy battery energy storage system and extend the application and provide the design unit, can wide application in assembling of the many clusters of unit of container energy storage system, mobile energy storage car, station room formula energy storage station.
Description
Technical Field
The utility model belongs to the technical field of the battery energy storage technique and specifically relates to a battery holder and battery cluster unit of collection friction-free direction, equipotential ground, pencil management, wind channel and antidetonation integral function.
Background
In recent years, new energy technology is continuously developed, and a battery energy storage system is rapidly developed, so that the battery energy storage system is widely applied to various fields such as new energy automobiles and photovoltaic energy storage. The general battery energy storage system generally comprises three major parts, namely an energy management system, an energy storage converter system and a battery management system, wherein the battery management system comprises a battery management unit, a battery cluster unit and a battery array management unit.
With the increase of integrated comprehensive functions and the continuous improvement of energy density of a battery energy storage system, the design of a battery rack and a battery cluster unit needs to fully consider the set of various technical applications, so the following problems need to be solved urgently:
firstly, how to solve the problem of cable management of a battery unit; how to solve the equipotential grounding problem of the battery module on the battery rack; how the battery cluster unit forms an air duct of the temperature control system so as to solve the problem of heat dissipation of the battery; how to improve the shock resistance and the guiding and positioning functions of the battery unit.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, one of the objects of the present invention is to provide a battery rack that integrates friction-free guiding, equipotential grounding, harness management, air ducts, and shock resistance; another object of the present invention is to provide a battery cluster unit including the battery holder.
In order to achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, the present invention provides a battery holder, which defines a plurality of battery receiving cavities with mounting openings, wherein the battery receiving cavities are suitable for mounting battery modules; its characterized in that still includes the heat dissipation casing, the heat dissipation casing includes: the rear panel is fixed on the rear side of the battery accommodating cavity, a plurality of ventilation holes corresponding to the positions of the air outlets of the battery modules are formed in the rear panel, and the ventilation holes are suitable for introducing heat dissipation airflow exhausted from the air outlets of the battery modules; the air cavity plate is arranged behind the back plate at intervals, a cavity between the air cavity plate and the back plate forms a closed air channel, the air channel is suitable for guiding the heat dissipation airflow to enter an external refrigerating device, and the refrigerating device is suitable for cooling the heat dissipation airflow and then conveying the cooled heat dissipation airflow to the environment and/or the front end of the battery accommodating cavity.
The battery rack preferably further comprises a cluster-level wire casing arranged on the front side of the battery rack and away from the ground, and the interior of the cluster-level wire casing is divided into an upper layer space and a lower layer space which are mutually independent by a partition plate; the upper layer space is used for laying the power cable of the battery module, and the lower layer space is used for laying the communication cable of the battery module.
Preferably, the battery accommodating cavities are drawer-type structures, each battery accommodating cavity is provided with at least two guide sliding plates, and the length direction of each guide sliding plate is the same as the sliding direction of the battery module, so that frictionless guide is formed between each guide sliding plate and the battery module.
The battery rack is preferably provided with conductors on two sides of the mounting port of each battery accommodating cavity, and the conductors are used for being simultaneously in conductive connection with the battery rack and the box bodies of the battery modules so as to form equipotential grounding of all the battery modules on the battery rack.
Preferably, the battery rack is characterized in that an anti-seismic plate is arranged on the lower surface of a bearing angle steel seat of the battery rack, and the anti-seismic plate is made of CR rubber.
The battery frame preferably comprises vertical beams, a top frame, a bottom frame, cross beams and longitudinal beams, wherein the top frame and the bottom frame are of quadrilateral frame structures, and a plurality of vertical beams are connected between the top frame and the bottom frame to form a cubic structure; the transverse beams are fixedly connected between the front side and the rear side of the two adjacent vertical beams and positioned on the side face of the guide sliding plate, the longitudinal beams are fixedly connected between the front side and the rear side of the two adjacent transverse beams, and the vertical beams, the transverse beams and the longitudinal beams jointly limit the inner space of the battery rack into a plurality of battery accommodating cavities.
The battery rack, preferably, each battery accommodating cavity is provided with two oppositely arranged slide guides, each slide guide comprises a slide guide body fixedly connected between two adjacent front and rear vertical beams, and a PET slide guide film covering the surface of the slide guide body; the two ends of the guide sliding plate are respectively and fixedly connected with the threaded holes in the front vertical beam and the rear vertical beam through screws, and the threaded holes are arranged at equal intervals in the height direction of the vertical beams.
The battery rack is characterized in that the electric conductor is preferably a carbon steel rivet nut with the surface being subjected to electroplating treatment, positioning holes are formed in the vertical beams on two sides of the mounting opening of each battery accommodating cavity, and the rivet nuts are riveted on the positioning holes in an interference fit manner; the positioning hole in the vertical beam has a fixed distance with the threaded hole.
The battery rack preferably further comprises a capacity adjusting plate for closing a mounting opening of the battery accommodating cavity where the battery module is not placed; a plurality of stiffening beams are arranged on the top frame and the bottom frame along the longitudinal direction,
in a second aspect, the present invention also provides a battery cluster unit, which comprises the above battery rack and a plurality of battery modules installed in the battery holding cavity of the battery rack, each of the power cables of the battery modules constitutes a power series circuit in the battery cluster, and each of the communication cables of the battery modules constitutes a channel circuit in the battery cluster.
The utility model discloses owing to take above technical scheme, it has following advantage:
1. the utility model discloses when high-efficient high density is integrated, have the design of multi-functional polymerization, provide the design unit for the integration and the extension of big energy battery energy storage system are used.
2. The utility model discloses can wide application in the assembly of the many clusters of unit at container energy storage system, mobile energy storage car, station house formula energy storage station.
Drawings
Fig. 1 is an assembly diagram of a battery cluster unit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery holder according to the embodiment of the present invention;
FIG. 3 is a schematic view of the wind direction flow in the duct of the present invention;
fig. 4 is a schematic diagram illustrating a cable arrangement of a battery cluster unit according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of detail A of FIG. 2;
fig. 6 is an enlarged schematic view of a portion B in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "assembled", "disposed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a battery rack, which comprises a plurality of battery accommodating cavities defined on the battery rack and a heat dissipation shell arranged at the rear side of the battery accommodating cavities, wherein the battery accommodating cavities are suitable for installing battery modules; the heat dissipation casing includes: the rear panel is fixed on the rear side of the battery accommodating cavity and is provided with a plurality of ventilation holes corresponding to the positions of the air outlets of the battery modules, and the ventilation holes are suitable for introducing heat dissipation airflow exhausted from the air outlets of the battery modules; and the air cavity plate is arranged behind the back panel at intervals, a cavity between the air cavity plate and the back panel forms a closed air channel, and the air channel is suitable for guiding heat dissipation airflow into an external refrigerating device. The utility model discloses when high-efficient high density is integrated, have the design of multi-functional polymerization, for the integration of big energy battery energy storage system and extend the application and provide the design unit, can wide application in assembling of the many clusters of unit of container energy storage system, mobile energy storage car, station room formula energy storage station.
Hereinafter, a battery holder and a battery cluster unit according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the battery holder 1 provided in the present embodiment includes a plurality of battery receiving cavities 3 defined in the battery holder 1 and having mounting openings, and a heat dissipation case 7 disposed at the rear side of the battery receiving cavities 3, wherein the battery receiving cavities 3 are adapted to mount battery modules 2. The heat dissipation housing 7 includes a back plate 71 and an air cavity plate 72, the back plate 72 is fixed to the battery accommodation cavity 3, and the back plate 71 is provided with a plurality of ventilation holes 73, each ventilation hole 73 corresponds to an air outlet of each battery module 2, and each ventilation hole 73 is suitable for introducing a heat dissipation airflow exhausted from the air outlet of each battery module 2. The air cavity plate 72 is arranged at the rear of the back plate 71 at an interval, the air cavity plate 72 is fixedly connected with the back plate 72 through the connecting plate 8 arranged at the top of the battery rack 1, a closed air channel 74 is formed by a cavity between the air cavity plate 72 and the back plate 71, and the air channel 74 is suitable for guiding heat dissipation air flow into an external refrigerating device. Thus, under the driving of the fan of the battery module 2, the heat dissipation airflow generated during the operation of the battery module 2 flows from front to back through the vent holes 73 in the back panel 71 into the air duct 74 and into the cooling device, which discharges the heat dissipation airflow to the environment after cooling and/or transports it into the battery receiving cavity 3 to cool the battery module 2.
In the above embodiment, as shown in fig. 3 and 4, a cluster-level slot box 6 is preferably provided on the front side of the battery rack 1 away from the ground, and the interior of the cluster-level slot box 6 is partitioned into an upper space and a lower space, which are independent of each other, by a partition plate 61. The primary power cables 21 of each battery module 2 form a power series loop in a battery cluster, then are led into a cluster-level wire groove box 6 at the bottom of the battery rack 1 and are laid in the upper-layer space of the cluster-level wire groove box 6; meanwhile, the secondary communication cables 22 of the respective battery modules 2 constitute a channel loop in the battery cluster, and are then introduced into the cluster-level slot box 6 at the bottom of the battery rack 1 and laid in the lower space of the cluster-level slot box 6. Therefore, through the shielding and guiding of the cluster-level wire slot box 6, the energy transmission of the battery cluster is safer, and the EMC (Electro Magnetic Compatibility) performance is better; moreover, when a larger energy storage system is assembled, expanded and integrated, all cluster-level line slot boxes 6 can be transversely communicated, and the cluster-level line slot boxes 6 form a system-level universal line slot box, so that the cost is reduced, and the integration efficiency is improved.
In the above embodiment, preferably, as shown in fig. 2, the battery receiving cavities 3 are drawer-type structures, at least two guide plates 4 are arranged in each battery receiving cavity 3, and the length direction of each guide plate 4 is the same as the sliding direction of the battery module 2, so as to form frictionless guide with the battery module 2, thereby easily guiding the battery module 2 into or out of the battery receiving cavity 3 through the mounting opening.
In the above embodiment, preferably, the battery rack 1 located at both sides of the mounting opening of each battery receiving cavity 3 is provided with the electric conductors 5, and the electric conductors 5 are used for being electrically connected with the battery rack 1 and the box body of the battery module 2 at the same time, so that when the battery rack 1 is grounded, the equipotential grounding function of all the battery modules 2 on the battery rack 1 can be realized.
In the above embodiment, as shown in fig. 6, in order to improve the anti-seismic function of the battery rack 1, an anti-seismic plate 9 is preferably installed on the lower surface of the bearing angle steel seat of the battery rack 1, and the anti-seismic plate 9 can decompose the vibration generated by the container or the vehicle body, so as to avoid the resonance between the container or the vehicle body and the battery rack 1, thereby achieving the anti-seismic purpose.
In the above embodiment, preferably, as shown in fig. 2, the battery rack 1 includes vertical beams 11, a top frame 12, a bottom frame 13, cross beams 14 and longitudinal beams 15, the top frame 12 and the bottom frame 13 are both of a quadrilateral frame structure, and a plurality of vertical beams 11 are connected between the top frame 12 and the bottom frame 13, and the three form a cubic structure. A plurality of crossbeams 14 are fixedly connected between two adjacent vertical beams 11 at the front side and the rear side and are positioned on the side surface of the guide sliding plate 4, a plurality of longitudinal beams 15 are fixedly connected between the two adjacent transverse beams 14 at the front and the rear side, and the vertical beams 11, the crossbeams 14 and the longitudinal beams 15 jointly limit the inner space of the battery rack 1 into a plurality of battery accommodating cavities 3. The arrangement of the cross beams 14 and the longitudinal beams 15 ensures that the structure of each battery accommodating cavity 3 is more stable, and ensures that the battery module 2 can provide enough supporting force without crushing the internal structure when being accommodated in the battery accommodating cavity 3. In addition, a plurality of reinforcing beams 17 can be arranged on the top frame 12 and the bottom frame 13 along the longitudinal direction, so that the cubic structure formed by the upright posts 11, the top frame 12 and the bottom frame 13 is more stable, and the stability of the battery rack 1 is further ensured.
In the above embodiment, preferably, as shown in fig. 2 and 5, two opposite sliding guides 4 are disposed in each battery accommodating cavity 3, each sliding guide 4 includes a sliding guide body fixedly connected between two adjacent front and rear vertical beams 11, and a PET (polyethylene terephthalate) sliding guide film covering the surface of the sliding guide body, and the specific hardness, smoothness and wear resistance of the PET material can reduce the friction coefficient to about 0.1, so that the battery module 2 can be easily operated even if being repeatedly inserted and withdrawn, the case of the battery module 2 is not damaged, and the battery module 2 is also easily mounted and maintained.
In the above embodiment, preferably, both ends of the guide sliding plate 4 are fastened and connected with the threaded holes 18 on the two vertical beams 11 adjacent to each other in the front-rear direction by screws, and the threaded holes 18 are arranged at equal intervals along the height direction of the vertical beams 11, so that the guide sliding plate 4 can select a proper connection position according to the size of the box body of the battery module 2.
In the above embodiment, preferably, the conductive body 5 is a carbon steel rivet nut with an electroplated surface, and the vertical beams 11 at both sides of the mounting opening of each battery accommodating cavity 3 are provided with positioning holes 19, and the rivet nut is riveted to the positioning holes 19 in an interference fit manner, so that the riveting connection between the rivet nut and the battery rack 1 can form a conductive connection, and the battery module 2 can be detachably fastened and connected to the battery rack 1 through a bolt matched with the rivet nut. And, the locating hole 19 on the vertical beam 11 has a fixed distance with the screw hole 18 to form a process location, which facilitates to improve the manufacturing precision when welding the battery rack 1.
In the above embodiment, preferably, as shown in fig. 2, the battery rack 1 may further include a capacity adjustment plate 16, and when no battery module 2 is placed in a certain battery accommodation chamber 3, the capacity adjustment plate 16 may be used to close the installation opening of the battery accommodation chamber 3.
Furthermore, the utility model also provides a battery cluster unit, this battery cluster unit contain the battery 1 that above-mentioned embodiment provided and install a plurality of battery module 2 in the battery holding chamber 3 of battery frame 1.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A battery holder, the battery holder defines a plurality of battery accommodating cavities with mounting ports, and the battery accommodating cavities are suitable for mounting battery modules; its characterized in that still includes the heat dissipation casing, the heat dissipation casing includes:
the rear panel is fixed on the rear side of the battery accommodating cavity, a plurality of vent holes corresponding to the air outlets of the battery modules are formed in the rear panel, and the vent holes are suitable for introducing radiating airflow exhausted from the air outlets of the battery modules;
the air cavity plate is arranged behind the back plate at intervals, a cavity between the air cavity plate and the back plate forms a closed air channel, the air channel is suitable for guiding the heat dissipation airflow to enter an external refrigerating device, and the refrigerating device is suitable for cooling the heat dissipation airflow and then conveying the cooled heat dissipation airflow to the environment and/or the battery accommodating cavity.
2. The battery rack according to claim 1, further comprising a cluster-level wire casing disposed at a front side of the battery rack and spaced from the ground, the cluster-level wire casing being partitioned by a partition into an upper space and a lower space, which are independent of each other; the upper layer space is used for laying the power cable of the battery module, and the lower layer space is used for laying the communication cable of the battery module.
3. The battery rack according to claim 1, wherein the battery receiving cavities are drawer-type structures, each battery receiving cavity has at least two guide plates, and the length direction of the guide plates is the same as the sliding direction of the battery module, so as to form frictionless guiding with the battery module.
4. The battery holder according to claim 3, wherein the battery holder is provided with conductors on both sides of the mounting opening of each battery receiving cavity, and the conductors are used for being simultaneously and electrically connected with the battery holder and the box body of the battery module so as to form equipotential grounding of all the battery modules on the battery holder.
5. The battery rack according to any one of claims 1 to 4, wherein an anti-seismic plate is arranged on the lower surface of the bearing angle steel seat of the battery rack, and the anti-seismic plate is made of CR rubber.
6. The battery rack according to claim 4, wherein the battery rack comprises vertical beams, a top rack, a bottom rack, cross beams and longitudinal beams, the top rack and the bottom rack are of quadrilateral frame structures, and a plurality of vertical beams are connected between the top rack and the bottom rack and form a cubic structure together; the transverse beams are fixedly connected between the front side and the rear side of the vertical beams and located on the side face of the guide sliding plate, the longitudinal beams are fixedly connected between the front side and the rear side of the vertical beams and between the transverse beams, and the vertical beams, the transverse beams and the longitudinal beams jointly limit the inner space of the battery rack into a plurality of battery accommodating cavities.
7. The battery rack according to claim 6, wherein each battery accommodating cavity is provided with two oppositely arranged guide sliding plates, each guide sliding plate comprises a guide sliding plate body fixedly connected between two adjacent front and back vertical beams, and a PET (polyethylene terephthalate) guide sliding film covering the surface of the guide sliding plate body; the two ends of the guide sliding plate are respectively fastened and connected with the threaded holes in the front vertical beam and the rear vertical beam through screws, and the threaded holes are arranged at equal intervals in the height direction of the vertical beams.
8. The battery holder according to claim 7, wherein the conductor is a carbon steel rivet nut with an electroplated surface, positioning holes are formed in the vertical beams on both sides of the mounting opening of each battery accommodating cavity, and the rivet nut is riveted on the positioning holes in an interference fit manner; the positioning hole in the vertical beam has a fixed distance with the threaded hole.
9. The battery holder according to claim 6, further comprising a capacity adjustment plate for closing a mounting opening of the battery receiving cavity where the battery module is not placed; and a plurality of reinforcing beams are arranged on the top frame and the bottom frame along the longitudinal direction.
10. A battery cluster unit, comprising the battery holder according to any one of claims 1 to 9 and a plurality of battery modules installed in the battery receiving cavities of the battery holder, wherein the power cables of the battery modules form a power series loop in the battery cluster, and the communication cables of the battery modules form a channel loop in the battery cluster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837931.7U CN217507463U (en) | 2022-04-12 | 2022-04-12 | Battery rack and battery cluster unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837931.7U CN217507463U (en) | 2022-04-12 | 2022-04-12 | Battery rack and battery cluster unit |
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| Publication Number | Publication Date |
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| CN217507463U true CN217507463U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220837931.7U Active CN217507463U (en) | 2022-04-12 | 2022-04-12 | Battery rack and battery cluster unit |
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| CN (1) | CN217507463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116387688A (en) * | 2023-05-04 | 2023-07-04 | 库尔兹电子科技(南通)有限公司 | Energy storage battery management system capable of rapidly cooling |
| CN117254162A (en) * | 2023-11-17 | 2023-12-19 | 上海聚信海聚新能源科技有限公司 | Air duct assembly, battery cluster and method for balancing temperature in battery cluster |
-
2022
- 2022-04-12 CN CN202220837931.7U patent/CN217507463U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116387688A (en) * | 2023-05-04 | 2023-07-04 | 库尔兹电子科技(南通)有限公司 | Energy storage battery management system capable of rapidly cooling |
| CN116387688B (en) * | 2023-05-04 | 2023-11-21 | 库尔兹电子科技(南通)有限公司 | Energy storage battery management system capable of rapidly cooling |
| CN117254162A (en) * | 2023-11-17 | 2023-12-19 | 上海聚信海聚新能源科技有限公司 | Air duct assembly, battery cluster and method for balancing temperature in battery cluster |
| CN117254162B (en) * | 2023-11-17 | 2024-02-06 | 上海聚信海聚新能源科技有限公司 | Air duct assembly, battery cluster and method for balancing temperature in battery cluster |
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Address after: 518108 whole floor of plant 201, building C, Xinwangda electronic factory, Tangjia community, Fenghuang street, Guangming District, Shenzhen, Guangdong Province Patentee after: Shenzhen Xinwangda Energy Technology Co.,Ltd. Address before: 518108 whole floor of plant 201, building C, Xinwangda electronic factory, Tangjia community, Fenghuang street, Guangming District, Shenzhen, Guangdong Province Patentee before: SHENZHEN XWODA ELECTRONICS CO.,LTD. |
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