CN221102294U - Battery pack bracket, battery module and mobile power supply - Google Patents
Battery pack bracket, battery module and mobile power supply Download PDFInfo
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- CN221102294U CN221102294U CN202322996282.2U CN202322996282U CN221102294U CN 221102294 U CN221102294 U CN 221102294U CN 202322996282 U CN202322996282 U CN 202322996282U CN 221102294 U CN221102294 U CN 221102294U
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- battery
- bracket
- assembly
- battery pack
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 51
- 238000009423 ventilation Methods 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000002356 single layer Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 238000001816 cooling Methods 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model provides a battery pack bracket, a battery module and a mobile power supply, wherein main ventilation openings are arranged at the middle positions of an upper bracket and a lower bracket of the battery pack bracket, battery positioning holes are arranged at the peripheral positions of the upper bracket and the lower bracket, and assembly positioning holes are arranged at the edge positions of the main ventilation openings and are used for fixedly connecting the upper bracket and the lower bracket so as to fix a battery between the upper bracket and the lower bracket through the fixation of the upper bracket and the lower bracket. The battery pack bracket, the battery module and the mobile power supply provided by the utility model are provided with the main ventilation opening, so that the heat dissipation space of the battery can be increased, the heat transfer distance between the battery and the main ventilation opening can be reduced, the heat exchange efficiency of the heat dissipation air duct corresponding to the battery and the main ventilation opening can be increased, the heat dissipation efficiency of the system can be increased, and convenience is provided for realizing the high-power mobile power supply.
Description
Technical Field
The utility model relates to the technical field of power supplies, in particular to a battery pack bracket, a battery module and a mobile power supply.
Background
At present, the medium-sized or large-sized mobile power supply has large capacity, can provide mobile power supply for equipment such as smart phones, unmanned aerial vehicles, digital cameras, notebook computers, projectors, campsite lamps and the like, can be used for outdoor power utilization scenes, can also be used for service places, entertainment places and the like, provides charging service for electronic equipment of customers, and improves service experience.
The medium-sized or large-sized mobile power supply has large capacity, and a power supply object does not lack some high-power equipment or is connected with a large amount of equipment at the same time, so that the system can work in a high-load state, and at the moment, a battery arranged in the system can generate a large amount of heat, the service life of the battery is influenced, and safety problems are easy to cause.
In the prior art, a battery of a middle-or large-sized mobile power supply is generally a battery pack formed by closely arranging and combining a plurality of battery cells in an array manner, and in operation, only an original gap between two adjacent battery cells is utilized to provide a heat dissipation space for the battery pack, and the space of the original gap between the battery cells is limited, so that the heat dissipation space is limited, the heat dissipation effect is poor, and safety problems are easily caused by insufficient heat dissipation when the battery outputs high power.
Disclosure of utility model
Based on the above, the utility model aims to provide a battery pack bracket, a battery module and a mobile power supply, so as to improve the heat dissipation capacity of the battery pack of the mobile power supply and improve the safety and reliability of the mobile power supply.
In one aspect, the present utility model provides a battery pack holder comprising upper and lower holders that are matched up and down to form a plurality of battery assembly bits between the upper and lower holders, wherein,
The upper bracket and the lower bracket are respectively provided with a main ventilation opening and a battery positioning hole which are matched in an alignment way, a group of battery positioning holes which are matched in an alignment way on the upper bracket and the lower bracket correspond to one battery assembly position, and the battery positioning holes are arranged around the main ventilation opening;
The edge position of the main ventilation opening is provided with an assembly positioning hole, and the upper bracket and the lower bracket are fixedly connected through the assembly positioning hole in a positioning way.
Optionally, the upper bracket and the lower bracket are both in a semicircular structure, the battery positioning holes are formed along the circumferential direction of the semicircular structure to form an outer layer assembly area, and the outer layer assembly area is in a single-layer structure.
Optionally, the battery positioning hole is further disposed between the outer layer assembly area and the main ventilation opening, an inner layer assembly area is further formed between the outer layer assembly area and the main ventilation opening, and heat dissipation holes are further formed in the upper bracket and the lower bracket between the inner layer assembly area and the outer layer assembly area.
Optionally, the shape of the main vent is similar to the shape of the inner pattern of the surrounding areas of the plurality of battery positioning holes.
Optionally, the positioning holes are disposed at positions corresponding to intermediate positions of a corresponding group of adjacent battery positioning holes and extend toward the inside of the main vent.
Optionally, the outer layer assembly region includes ten of the battery assembly bits, and the inner layer assembly region includes two of the battery assembly bits.
Another aspect of the present utility model provides a battery module, which includes the battery pack bracket provided by the present utility model, and a plurality of batteries disposed on each battery assembly position of the battery pack bracket.
The utility model further provides a mobile power supply, which comprises a charge and discharge power supply, a power conversion module and a heat radiation fan, wherein the charge and discharge power supply comprises the battery module provided by the utility model, a main ventilation opening of the battery module is arranged on an air supply path of the heat radiation fan, and the power conversion module comprises a mains inverter.
The battery pack bracket comprises an upper bracket and a lower bracket which are matched up and down, so that a plurality of battery assembly positions are formed between the upper bracket and the lower bracket, wherein main ventilation openings and battery positioning holes which are matched in alignment are formed in the upper bracket and the lower bracket, a group of battery positioning holes which are matched in alignment on the upper bracket and the lower bracket correspond to one battery assembly position, and the battery positioning holes are arranged around the main ventilation openings, so that ventilation and heat dissipation effects are improved; the circumference of main vent is provided with the assembly locating hole, the upper bracket with the lower carriage passes through assembly locating hole location fixed connection corresponds and carries out the assembly location in being close to the middle part position, can reduce the setting quantity demand of assembly location structure, and then reduces its occupation to the heat dissipation wind channel, improves the radiating effect. The battery pack bracket provided by the utility model can effectively improve the size of the radiating air duct and the radiating effect through the arrangement of the main ventilation opening, and provides safety guarantee for high-power output of the battery pack.
The battery module provided by the utility model comprises the battery pack bracket and a plurality of batteries which are arranged on the battery pack bracket one by one and are assembled with each other, and the battery pack bracket is provided with the main ventilation opening with a large space, so that the heat dissipation space of the batteries is effectively improved, the heat dissipation efficiency of the plurality of batteries in the battery module is improved, and convenience is provided for high-power output of the battery module.
The mobile power supply provided by the utility model comprises the charge and discharge power supply, the power conversion module and the heat radiation fan which are electrically connected, wherein the charge and discharge power supply comprises the battery module provided by the utility model, the main ventilation opening of the battery module is arranged on the air supply path of the heat radiation fan, the power conversion module comprises the mains supply inverter, the ventilation air duct is large, the heat radiation effect is good, the safety guarantee of high-power work of the mains supply level output is facilitated, the safety work power range of the mobile power supply is improved, and the practicability is improved.
Drawings
Fig. 1 is a schematic view illustrating an assembled state of a battery module according to an embodiment of the present utility model;
Fig. 2 is a schematic plan view of an upper frame of a battery frame according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of the bottom surface of the upper bracket of the battery bracket according to the embodiment of the present utility model;
fig. 4 is a schematic view illustrating a connection structure of an upper bracket of a battery bracket according to an embodiment of the present utility model;
FIG. 5 is a schematic side view of a battery rack according to an embodiment of the present utility model;
fig. 6 is a schematic cross-sectional structure of the battery holder of fig. 5, taken along the A-A section.
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The existing heat dissipation modes generally comprise modes such as air cooling heat dissipation, liquid cooling heat dissipation and the like, and the air cooling heat dissipation is most commonly used, but the heat dissipation effect is general; the liquid cooling heat dissipation effect is better, but the requirement on the application environment is higher, the reliability is insufficient, the cost is higher, in the mobile power supply, the air cooling heat dissipation is the most commonly used heat dissipation mode in view of cost, heat dissipation requirement and reliability, however, in the prior art, a larger mobile power supply generally adopts a battery pack formed by combining a plurality of electric cores as an energy storage power supply, only an original gap between two adjacent electric cores is utilized for providing a heat dissipation space for the battery pack, and the space of the original gap is limited, so that the heat dissipation space is limited, the heat dissipation effect is poor, when the load power of the mobile power supply is increased, the power supply heats seriously, the safety problem is easy to generate, and the expansion of the output power of the mobile power supply is limited.
Based on the problems in the prior art, the utility model provides a battery pack bracket, which is used for arranging a battery around a main ventilation opening so as to arrange the main ventilation opening with a larger size, so that the air flow efficiency of air cooling heat dissipation is improved, the heat dissipation effect is improved, a heat dissipation system is convenient to be unfolded in the vertical direction, and compared with the heat dissipation design unfolded in the horizontal direction in the prior art, the occupied area requirement of a suitable mobile power supply can be reduced.
Specifically, referring to fig. 1 and 2, in the present embodiment, the battery pack holder includes an upper holder 10 and a lower holder 20 that are vertically matched, and a connection structure that connects the upper holder 10 and the lower holder 20 to form a plurality of battery assembly positions between the upper holder 10 and the lower holder 20, in each of which one battery 01 can be assembled.
The upper bracket 10 and the lower bracket 20 are respectively provided with a main ventilation opening 12 and a battery positioning hole 11 which are aligned and matched, the upper bracket 10 and the group of battery positioning holes 11 which are aligned and matched on the lower bracket 20 correspond to one battery assembly position, and the battery positioning holes 11 are arranged around the main ventilation opening 12. In practical application, the heat dissipation gas conveyed from the upper part or the lower part can pass through the periphery of the main ventilation opening 12 and the bracket, so that both side parts of the battery 01 can effectively dissipate heat, and the heat dissipation effect can be improved.
In this embodiment, as shown in fig. 3, the battery positioning hole 11 is a groove structure with a hole on the bottom, so that the battery is supported and limited between the upper bracket 10 and the lower bracket 20 by the bottom of the groove structure, and meanwhile, the positive and negative electrodes of the battery can be led out from the hole on the bottom of the groove.
With further reference to fig. 4, 5 and 6, the connecting structure includes an upper link 130 and a lower link 230 cooperatively connected with the upper link 130, the upper link 130 is fixedly connected with the upper bracket 10, the lower link 230 is fixedly connected with the lower bracket 20, and the cross-sectional dimension of the lower link 230 is smaller than that of the upper link 130, and the upper link 130 is detachably connected with the lower link 230, so that the upper bracket 10 and the lower bracket 20 are conveniently assembled.
In a specific implementation, the fixing of the upper link 130 and the upper bracket 10, and the fixing of the lower link 230 and the lower bracket 20 may form a combined structure of the upper bracket 10 and the upper link 130, and a combined structure of the lower bracket 20 and the lower link 230 by an integrated molding technology; or after being respectively molded, the two parts are fixedly connected through structural adhesive or are fixedly connected through interference fit.
Further, the end of the upper connecting rod 130 far away from the upper bracket 10 is provided with a limit groove 131, the upper connecting rod 130 and the lower connecting rod 230 are hollow rods, one ends of the upper connecting rod 130 and the lower connecting rod 230 fixedly connected with the upper bracket 10 and the lower bracket 20 are provided with assembly positioning holes 13, the bottom of the limit groove 131 is provided with threaded holes, when the upper bracket 10 and the lower bracket 20 are assembled in a press fit mode, the tail ends of the lower connecting rod 230 and the upper connecting rod 130 are in complementary alignment matching, the end of the lower connecting rod 230 far away from the lower bracket 20 is embedded into the limit groove, preassembly is completed, assembly efficiency is improved, and the upper connecting rod 130 and the lower connecting rod 230 are fixed in a threaded mode through bolts embedded into and penetrating through the threaded holes through the assembly positioning holes 13, so that assembly stability of the upper bracket 10 and the lower bracket 20 is further ensured.
The assembly locating hole 13 that connection structure corresponds sets up the border position of main vent 12, upper bracket 10 with lower carriage 20 passes through connection structure location fixed connection, and its assembly position is close to the middle part position of support, carries out the assembly location in the middle part position that is close to the support, can reduce the setting quantity demand of assembly locating structure, and then reduces its occupation to the heat dissipation wind channel, improves the radiating effect.
In this embodiment, the upper bracket 10 and the lower bracket 20 are both in a semicircular structure, the battery positioning holes 11 are disposed along the circumference of the semicircular structure to form an outer assembly area, and the outer assembly area is in a single-layer structure, that is, the width of the outer assembly area needs to be larger than the diameter of the battery 01, preferably, the width of the outer assembly area is larger than or equal to the diameter of one battery 01 and smaller than the diameters of two batteries, so as to reduce the stacking of the batteries 01 in the radial direction, ensure the smoothness of the heat dissipation path from each battery 01 to the main ventilation opening 12, and ensure the heat dissipation effect.
In this embodiment, the battery positioning hole 11 is further disposed between the outer assembly area and the main ventilation opening 12, an inner assembly area is further formed between the outer assembly area and the main ventilation opening 12, and a plurality of heat dissipation holes 14 are further disposed between the inner assembly area and the outer assembly area of the upper bracket 10 and the lower bracket 20, so that the number of configurable batteries can be increased, the energy storage capacity of the battery pack can be improved, and the mobile power supply capacity can be improved by disposing the inner assembly area; the heat dissipation holes 14 help to further enhance the heat dissipation effect of the battery pack, specifically, the air flow between the inner layer assembly area and the outer layer assembly area can be accelerated, so as to enhance the heat dissipation effect of the battery pack.
In this embodiment, the inner layer assembly area is mainly located between two farthest points of the semicircular structures of the brackets, the configurable space is the largest, the arc edges of the semicircular structures of the two brackets are recessed inwards, the recessed positions are located between two adjacent battery positioning holes 11, the area of the brackets can be reduced, the concave-convex structure on the outer side can be used for matching with the battery module installation positions of the mobile power supply shell and other pairs of workpieces in an alignment manner, convenience is provided for installation, meanwhile, the arc edges on the outer side are recessed inwards, the buckle structures for assembly are arranged on the middle positions and the straight edges of the arc edges, the recessed areas on other positions are left empty, and an outer side ventilation duct can be formed, so that the actual heat dissipation effect is further improved. The specific recessing degree and the edge curve shape can be specifically designed according to practical requirements, and the application is not particularly limited thereto.
In the present embodiment, the shape of the main vent 12 is similar to the shape of the inner pattern of the surrounding areas of the plurality of battery positioning holes 11.
In this embodiment, the setting position of the assembly positioning hole 13 corresponds to the middle position of a corresponding group of adjacent battery positioning holes 11 and extends towards the inside of the main ventilation opening 12, in this embodiment, the battery 01 is cylindrical, the corresponding battery positioning hole 11 is circular, and between two adjacent battery positioning holes 11, the area of the bracket is larger, the structural strength is guaranteed, the assembly positioning hole 13 is set at the middle position of two adjacent battery positioning holes 11, and the fixing reliability of assembly can be guaranteed.
In this embodiment, the outer layer assembly area includes ten battery assembly positions, the inner layer assembly area includes two battery assembly positions, three heat dissipation holes 14 are respectively disposed at two battery assembly positions of the inner layer assembly area, and the disposed position of each heat dissipation hole 14 corresponds to the middle position of two adjacent battery positioning holes 11 of the outer layer assembly area.
The utility model also provides a battery module, which comprises the battery pack bracket provided by the utility model and a plurality of batteries arranged on the battery pack bracket one by one in the assembly position of each battery, wherein during assembly, the battery 01 is positioned in each battery positioning hole of the lower bracket 20, then the upper bracket is covered, and the upper bracket 10 and the lower bracket 20 are fixed through bolts penetrating through the assembly positioning holes 13, so that the fixing of the battery 01 is realized.
In this embodiment, the setting positions of the assembly positioning holes 13 are correspondingly provided with an upper connecting rod and a lower connecting rod, so that the pre-assembly of the upper bracket and the lower bracket can be performed through the upper connecting rod and the lower connecting rod, the assembly efficiency is improved, and in an alternative embodiment, the upper connecting rod and the lower connecting rod can be directly connected and fixed in an interference assembly mode, so as to realize the assembly and fixation of the upper bracket and the lower bracket; in another alternative embodiment, no upper connecting rod and lower connecting rod are arranged, the upper bracket and the lower bracket are directly fixed by matching with a nut cone through bolts penetrating through assembly positioning holes 13 on the upper bracket and the lower bracket, and the arrangement cost of the connecting rod can be saved.
The utility model also provides a mobile power supply, which comprises a charging and discharging power supply, a power conversion module and a heat radiation fan which are electrically connected, wherein the charging and discharging power supply comprises the battery module provided by the utility model, a main ventilation opening of the battery module is arranged on an air supply path of the heat radiation fan, and the power conversion module comprises a mains supply inverter.
The output specification of the commercial power inverter is 220V alternating current, 110V alternating current and the like, the specific configuration can be specifically selected according to the electric utilization protocols of the product using area, and corresponding power converters and charging interfaces can be arranged according to the charging protocols such as PB charging protocols, USB charging protocols and quick charging protocols.
Wherein, heat dissipation fan and battery module arrange in order in vertical direction, radiating air supply route is directional by the upper bracket of lower carriage, because hot air compares cold air and leans towards the top diffusion, sets up cooling system into vertical structure, is convenient for improve forced air cooling radiating effect.
According to the battery pack support, the battery module and the mobile power supply, the main ventilation openings are formed in the middle of the upper support and the lower support of the battery pack support, and the battery positioning holes are formed in the peripheral positions, so that the heat transfer distance between the battery and the main ventilation openings can be reduced, the heat exchange efficiency of the heat dissipation air channels corresponding to the battery and the main ventilation openings is improved, and the heat dissipation efficiency of the system is improved.
And can be convenient for set up the heat dissipation wind channel as vertical passageway, each battery in the battery module sets up vertically, and the interval distribution on the horizontal plane, and its calorific capacity naturally upwards diverges and leaves the battery module region, can reduce the heat superposition interference between the battery, guarantee battery reliability. When the heat radiation fan operates, cool air actively radiating flows through each battery in the battery module from bottom to top, heat is sent out from the upper part of the system, and the whole heat radiation air duct is large in size and good in heat radiation effect. And the air inlet and the air outlet can be arranged in a ring shape, so that the blocking influence of horizontal wind power in the use environment on heat dissipation wind power is reduced, the circulation reliability of heat dissipation air flow in a preset air duct is ensured, and the heat dissipation reliability is ensured.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. A battery pack holder is characterized by comprising an upper holder and a lower holder which are matched up and down to form a plurality of battery assembly positions between the upper holder and the lower holder, wherein,
The upper bracket and the lower bracket are respectively provided with a main ventilation opening and a battery positioning hole which are matched in an alignment way, a group of battery positioning holes which are matched in an alignment way on the upper bracket and the lower bracket correspond to one battery assembly position, and the battery positioning holes are arranged around the main ventilation opening;
The edge position of the main ventilation opening is provided with an assembly positioning hole, and the upper bracket and the lower bracket are fixedly connected through the assembly positioning hole in a positioning way.
2. The battery pack holder according to claim 1, wherein the upper holder and the lower holder are each of a semicircular structure, the battery positioning holes are provided along a circumferential direction of the semicircular structure to form an outer assembly region, and the outer assembly region is of a single-layer structure.
3. The battery pack holder of claim 2, wherein the battery positioning hole is further provided between the outer mounting region and the main vent, an inner mounting region is further formed between the outer mounting region and the main vent, and heat dissipation holes are further provided on the upper and lower holders between the inner mounting region and the outer mounting region.
4. A battery pack support according to claim 2 or 3, wherein the shape of the main vent is similar to the shape of the inner pattern of the surrounding areas of the plurality of battery positioning holes.
5. The battery pack holder according to claim 4, wherein the fitting positioning holes are provided at positions corresponding to intermediate positions of a corresponding set of adjacent battery positioning holes and are arranged extending inward of the main vent.
6. The battery rack of claim 3, wherein the outer assembly region comprises ten of the battery assembly bits and the inner assembly region comprises two of the battery assembly bits.
7. A battery module comprising the battery pack holder according to any one of claims 1 to 6, and a plurality of batteries provided one by one to each battery mounting position of the battery pack holder.
8. The mobile power supply is characterized by comprising a charge and discharge power supply, a power conversion module and a heat dissipation fan which are electrically connected, wherein the charge and discharge power supply comprises the battery module according to claim 7, a main ventilation opening of the battery module is arranged on an air supply path of the heat dissipation fan, and the power conversion module comprises a mains inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322996282.2U CN221102294U (en) | 2023-11-07 | 2023-11-07 | Battery pack bracket, battery module and mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322996282.2U CN221102294U (en) | 2023-11-07 | 2023-11-07 | Battery pack bracket, battery module and mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221102294U true CN221102294U (en) | 2024-06-07 |
Family
ID=91307967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322996282.2U Active CN221102294U (en) | 2023-11-07 | 2023-11-07 | Battery pack bracket, battery module and mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221102294U (en) |
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2023
- 2023-11-07 CN CN202322996282.2U patent/CN221102294U/en active Active
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