CN210692718U - Rotary battery pack thermal management system based on air-cooled uniform temperature control - Google Patents
Rotary battery pack thermal management system based on air-cooled uniform temperature control Download PDFInfo
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- CN210692718U CN210692718U CN201921556913.6U CN201921556913U CN210692718U CN 210692718 U CN210692718 U CN 210692718U CN 201921556913 U CN201921556913 U CN 201921556913U CN 210692718 U CN210692718 U CN 210692718U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a rotary battery pack thermal management system based on air cooling uniform temperature control, which comprises a box body and a battery pack rotating module; the battery pack rotating module comprises a low-rotating-speed motor, a rigid rib plate, a large inner gear, a disc, a battery monomer and a plurality of small outer gears; the rigid ribbed plate consists of a central plate and a plurality of ribs; the low-rotation-speed motor is connected with the central plate, the tail end of each rib is connected with a small external gear in a revolute pair mode, the large internal gear and the small external gear form a planetary gear structure and are meshed with each other, and a group of discs are fixedly arranged on the center of each group of small external gears; a circle of battery pack consisting of a plurality of battery monomers which are uniformly distributed in an annular shape is fixedly installed on each group of discs, a rotary conductive slip ring is installed at the top of the center of the battery pack, and a fan is installed on the box body. The utility model discloses lead to and drive the battery and realize turnover, rotation motion, make the group battery have the same motion circumstances and cooling environment under the forced air cooling condition to guarantee that each battery has fine temperature homogeneity.
Description
Technical Field
The utility model belongs to the technical field of power battery heat management device, concretely relates to rotary type group battery heat management system based on even accuse temperature of forced air cooling.
Background
High energy density batteries generate a large amount of heat during rapid charging and discharging or continuous high-intensity work, and the temperature of the batteries is rapidly increased due to the generation of heat.
However, when the battery works, a comfortable temperature interval exists, the aging of the battery is accelerated due to overhigh temperature, and the service life is greatly reduced. Meanwhile, the requirement of the battery pack on the temperature uniformity among the battery monomers is strict, and the temperature uniformity is an important guarantee for the service performance and the reliability of the battery. Therefore, there is a need for effective thermal management of batteries.
Due to the difficulty of the uniform temperature control technology of the battery pack, common battery thermal management research mainly aims at controlling the highest temperature of the battery, and neglects the battery uniformity research. In addition, most of common battery pack arrangement modes are arranged in a matrix mode, relative positions of battery monomers are fixed, so that temperature difference among the battery monomers in the battery pack is obvious during operation, the battery temperature in the middle of the battery pack is high, and the temperature of the peripheral battery of the battery pack is relatively low. This condition will greatly affect the battery performance and reduce the life of the battery pack.
Therefore, the design of the battery thermal management system which can realize the heat dissipation of the battery pack and can well control the temperature uniformity among the single batteries in the battery pack is very important.
SUMMERY OF THE UTILITY MODEL
To not enough and a difficult problem among the prior art, the utility model aims at providing a rotary type group battery thermal management system based on even accuse temperature of forced air cooling.
The utility model discloses a following technical scheme realizes:
a rotary type battery pack thermal management system based on air cooling uniform temperature control comprises a box body and a battery pack rotating module arranged in the box body; the battery pack rotating module comprises a low-rotating-speed motor, a rigid rib plate, a large inner gear, a disc, a battery monomer and a plurality of small outer gears; the rigid rib plates are composed of a central plate positioned in the middle and a plurality of ribs which are fixed with the side edges of the central plate and extend outwards, and the ribs are uniformly arranged in a circular array at the center of the central plate; the low-speed motor is arranged below the bottom of the box body, a motor shaft of the low-speed motor penetrates through the bottom of the box body to be connected with the central plate, the tail end of each group of ribs is connected with a group of small external gears in a revolute pair mode, the large internal gear is meshed with each group of small external gears, the large internal gear and the small external gears form a planetary gear structure, and a group of discs are fixedly arranged on a gear shaft at the center of each group of small external gears; a circle of battery pack is fixedly arranged on each group of discs, each circle of battery pack is formed by a plurality of battery monomers which are uniformly distributed in an annular shape, and the top of the annular center of the battery pack is provided with a rotary conductive slip ring which extends upwards; the box body is provided with a fan.
Furthermore, the box comprises box shell, box lid and fan, has a plurality of air intakes of group on the box shell, and the fan is installed in the air intake, and box shell and fan relative one side are opened has a plurality of air outlets of group, and air intake and air outlet are parallel to each other and with two sets of opposite side central lines symmetry promptly.
Further, the gear thicknesses of the small external gear and the large internal gear are consistent, and the small external gear is staggered upwards relative to the large internal gear when the small external gear is meshed with the large internal gear, so that a space for installing the center of the rigid rib plate is reserved below the small external gear.
Furthermore, every two single batteries on each circle of battery pack are alternately connected in series by a rigid short copper bar in a positive-negative mode, finally the positive and negative electrodes are led out through the two rigid short copper bars and point to the center of the annular battery pack, the two lower lines of the rotary conductive slip ring are connected with the tail end of the rigid short copper bar pointing to the center of the annular battery pack, and the two upper lines of the rotary conductive slip ring are connected with the adjacent rotary conductive slip ring through the conductive long copper bar; two lines below each rotary conductive slip ring rotate and rotate along with the battery pack, and two lines above each rotary conductive slip ring only do rotating motion.
In the system of the utility model, the low-speed motor provides power for the turnover and rotation mechanism; the box body is used for placing the battery pack and the turnover and autorotation mechanism; the fan provides cooling air; the movement of the turnover and rotation mechanism drives the turnover and rotation of the battery pack; the disc is used for placing and fixing the battery on the disc; the rigid rib plate is used for supporting the small outer gear to rotate; the copper bar plays a role in supporting and conducting electricity; the slip ring connects the rotating ring-shaped battery packs in series and outputs electric energy.
The beneficial effects of the utility model are mainly embodied in that:
(1) the utility model discloses introduce turnover and rotation mechanism in battery thermal management, make the group battery realize rotating, every battery cell realizes the same motion and possess the same cooling environment to this temperature uniformity who guarantees battery cell in the group battery.
(2) The utility model discloses rotatable distribution improves greatly than the fixed group battery homogeneity of arranging of traditional square array formula, can dispel the heat to the group battery, can well control the temperature homogeneity between the interior battery cell of group battery again.
(3) The utility model discloses install the business turn over on the box and seal and the fan, the cooperation rotation turnover makes the motion action of every battery keep unanimous for every battery all is in same cooling environment in the pivoted group battery, and then realizes temperature homogeneity.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the structure of the box body of the utility model.
Fig. 3 is a schematic perspective view of the battery rotating module of the present invention.
Fig. 4 is an isometric view of a battery rotation module according to the present invention.
Fig. 5 is a bottom view of the middle battery rotating module according to the present invention.
Illustration of the drawings:
1-box, 101-box cover, 102-box shell, 103-fan, 104-air outlet, 105-air inlet;
2-battery rotating module, 201-low-speed motor, 202-rigid ribbed plate, 203-large inner gear, 204-disc, 205-battery cell, 206-rigid short copper bar, 207-rotating conductive slip ring, 208-small outer gear, 209-central plate, 210-rib, 211-conductive long copper bar and 212-conductive slip ring.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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 "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected; can be mechanical connection and electrical connection; may be directly connected, indirectly connected through intervening agents, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood to be specific to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the overall structural schematic diagram of fig. 1, a rotary battery pack thermal management system based on air-cooling uniform temperature control includes a case 1 and a battery pack rotating module 2 disposed in the case 1, and performs thermal management on batteries disposed therein by using a heat dissipation structure of the case 1 and the revolving and autorotation motions inside the battery pack rotating module 2.
Referring to the schematic perspective view of the box 1 in fig. 2, the box 1 is composed of a box shell 102, a box cover 101 and a fan 103, the box shell 102 is provided with a plurality of sets of air inlets 105, the fan 103 is installed in the air inlets 105, and one side of the box shell 102 opposite to the fan 103 is provided with a plurality of sets of air outlets 104, that is, the air inlets 105 and the air outlets 104 are parallel to each other and symmetrical about two sets of opposite side center lines, so that air blown by the fan 103 is discharged after convection between the air inlets 105 and the air outlets 104. The box 1 is a cuboid cavity, the box cover 101 is actively connected with the box shell 102 through fasteners such as screws, and the battery pack rotating module 2 in the box 1 can be seen by opening the box cover 101.
Referring to fig. 3 to 5, which are schematic structural views of the battery rotation module 2 in each direction, the battery rotation module 2 is composed of an epicyclic and autorotation mechanism and a driving unit associated therewith. The battery pack rotating module 2 comprises a low-speed motor 201, a rigid rib plate 202, a large inner gear 203, a disc 204, a battery cell 205, a rigid short copper bar 206, a conductive long copper bar 211, a rotating conductive slip ring 207, a plurality of small outer gears 208 and a conductive slip ring 212. The rigid rib 202 is formed by a central plate 209 located in the middle, and a plurality of ribs 210 attached to the sides of the central plate 209 and extending outwardly therefrom, each rib 210 being arranged in a circular array around the center of the central plate 209.
The low-speed motor 201 is installed below the bottom of the box body 1, a motor shaft of the low-speed motor 201 penetrates through the bottom of the box body shell 102 and is connected with a central plate 209 at the center of the rigid rib plate 202, the low-speed motor 201 drives the rigid rib plate 202 to move to provide power for the turnover and rotation mechanism, the tail end of each group of ribs 210 is connected with a group of small outer gears 208 in a rotating pair mode, the large inner gears 203 are meshed with the small outer gears 208, the large inner gears 203 and the small outer gears 208 form a planetary gear structure, the thicknesses of the small outer gears 208 and the large inner gears 203 are consistent, but when the small outer gears 208 are meshed with the large inner gears 203, the small outer gears 208 are upwards staggered by a certain distance relative to the large inner gears 203, so that a space for installing the center of the rigid rib plate 202 is; a set of discs 204 is fixedly mounted on the gear shaft at the center of each set of small outer gears 208, and the discs 204 rotate along with the rotation of the small gears. In a specific implementation, the low-speed motor 201 drives the rigid rib 202 to rotate circularly, so as to drive the small external gear 208 to rotate circularly, and due to the connection mode of the small external gear 208 and the revolute pair, the small external gear 208 rotates under the meshing transmission action of the large internal gear 203, and the circular disc 204 also realizes the circulating and rotating motion.
Wherein, each circle of battery pack is fixedly arranged on each group of discs 204 and is composed of a plurality of battery monomers 205 which are uniformly distributed in a ring shape, the top of the ring center of the battery pack is provided with a rotary conductive slip ring 207 which extends upwards, every two battery monomers 205 on each circle of battery pack are connected in series by rigid short copper strips 206 in an alternating way, finally, the positive and negative poles are led out through two rigid short copper strips 206 and point to the center of the ring battery pack, the two lower lines of the rotary conductive slip ring 207 are connected with the tail end of the rigid short copper strip 206 which points to the center of the ring battery pack, the two upper lines are connected with the adjacent rotary conductive slip ring 207 through conductive long copper strips 211, the battery packs at the head and the tail are led out the positive and negative poles through two conductive long copper strips 211, the two conductive long copper strips 211 which lead out the positive and negative poles of the battery packs at the head and the tail are connected with a, the conducting slip ring is a conducting slip ring which is finally led out of a positive electrode and a negative electrode and is used for being finally connected with external electric equipment, and after the conducting slip ring is connected with the external electric equipment, the upper wire and the lower wire can also relatively rotate. The rotating conducting slip ring 207 and the conducting slip ring 212 are 2-way rotating conducting slip rings (brushes).
Namely, a group of rotary conductive slip rings 207 and a circle of battery pack are arranged on each group of discs 204, and the discs 204 drive the rotary conductive slip rings 207 and the battery pack to perform turnover and autorotation motions; after the battery monomers 205 of each circle of battery pack are connected in series, the battery monomers are sequentially connected in series through the long conductive copper bars 211 to lead out the positive electrode and the negative electrode, the rigid short copper bars 206 are used for sequentially and alternately connecting the positive electrode and the negative electrode of the battery monomers 205, the long conductive copper bars 211 are used for connecting the adjacent rotary conductive slip rings 207, so that the circles of battery packs are connected in series, two lines below each rotary conductive slip ring 207 rotate along with the battery packs, and two lines above each rotary conductive slip ring 207 are connected with the adjacent rotary conductive slip rings 207 through the long conductive. The two lines below each rotating conductive slip ring 207 rotate and rotate with the battery pack, and the two lines above each rotating conductive slip ring 207 only rotate and rotate.
The rigid rib plates 202, the large inner gear 203 and the small outer gear 208 form a rotation and turnover mechanism, the rigid short copper bars 206 fasten every two battery monomers 205, and the rotary conductive slip ring 207 and the conductive long copper bars 211 can ensure that all battery packs can still be connected in series during turnover and rotation of the battery packs.
When the system works, the fan 103 is started to supply air into the box body 1 with the battery pack from the air inlet 105, the battery pack is cooled by natural air and then becomes hot air, and the hot air is discharged from the air outlet 104;
the low-speed motor 201 below the box body 1 rotates to drive the rigid rib plate 202 to rotate, and further drives the small outer gear 208 installed at the tail end of the rigid rib plate 202 to rotate under the transmission action of the large inner gear 203 meshed with the small outer gear, the disc 204 fixed above the small outer gear 208 rotates and rotates along with the rotation, the battery pack fixedly installed on the disc 204 rotates synchronously, when the battery pack rotates, the rigid short copper bars 206 formed by sequentially connecting the battery monomers 205 in series, the rotary conductive slip ring 207 formed by sequentially connecting the battery pack in series and the conductive long copper bars 211, the combination of the two can ensure that the battery pack always realizes series connection when the battery pack moves, the single battery monomers 205 are ensured, the whole battery pack is stable, and the whole battery pack can rotate and rotate along with the rotation and the rotation of the disc 204.
In the present invention, since the cells on the disk 204 all perform the same revolving and rotating motion, they have the same cooling environment. Compared with a traditional matrix type fixed arrangement battery pack heat management mode, the battery pack in turnover and rotation motion can effectively control the highest stability of the battery pack under the action of air cooling, and the temperature uniformity among batteries can be greatly improved.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. The utility model provides a rotary type group battery thermal management system based on even accuse temperature of forced air cooling which characterized in that: comprises a box body and a battery pack rotating module arranged in the box body; the battery pack rotating module comprises a low-rotating-speed motor, a rigid rib plate, a large inner gear, a disc, a battery monomer and a plurality of small outer gears; the rigid rib plates are composed of a central plate positioned in the middle and a plurality of ribs which are fixed with the side edges of the central plate and extend outwards, and the ribs are uniformly arranged in a circular array at the center of the central plate; the low-speed motor is arranged below the bottom of the box body, a motor shaft of the low-speed motor penetrates through the bottom of the box body to be connected with the central plate, the tail end of each group of ribs is connected with a group of small external gears in a revolute pair mode, the large internal gear is meshed with each group of small external gears, the large internal gear and the small external gears form a planetary gear structure, and a group of discs are fixedly arranged on a gear shaft at the center of each group of small external gears; a circle of battery pack is fixedly arranged on each group of discs, each circle of battery pack is formed by a plurality of battery monomers which are uniformly distributed in an annular shape, and a rotary conductive slip ring which extends upwards is arranged at the top of the annular center of the battery pack; and a fan is arranged on the box body.
2. The rotary battery pack thermal management system based on air-cooling uniform temperature control according to claim 1, wherein: the box comprises box shell, box lid and fan, there are a plurality of groups of air intakes on the box shell, the fan is installed in the air intake, the box shell with open on one side that the fan is relative has a plurality of groups of air outlets, the air intake with the air outlet is parallel to each other and with two sets of opposite side central lines symmetry.
3. The rotary battery pack thermal management system based on air-cooling uniform temperature control according to claim 2, wherein: the thickness of the gear of the small external gear is consistent with that of the gear of the large internal gear, and the small external gear is staggered upwards relative to the large internal gear when the small external gear is meshed with the large internal gear.
4. The rotary battery pack thermal management system based on air-cooling uniform temperature control according to claim 2, wherein: every two battery monomers on each circle of the battery pack are alternately connected in series by the rigid short copper strips, the positive and negative electrodes are led out through the two rigid short copper strips and point to the center of the annular battery pack, the lower two lines of the rotary conductive slip ring are connected with the tail ends of the rigid short copper strips pointing to the center of the annular battery pack, the upper two lines of the rotary conductive slip ring are connected with the adjacent rotary conductive slip ring through the conductive long copper strips, the lower two lines of each rotary conductive slip ring rotate and rotate along with the battery pack, and the upper two lines of the rotary conductive slip ring only do circulating motion.
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CN201921556913.6U CN210692718U (en) | 2019-09-18 | 2019-09-18 | Rotary battery pack thermal management system based on air-cooled uniform temperature control |
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CN201921556913.6U CN210692718U (en) | 2019-09-18 | 2019-09-18 | Rotary battery pack thermal management system based on air-cooled uniform temperature control |
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Cited By (1)
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CN110571496A (en) * | 2019-09-18 | 2019-12-13 | 南昌大学 | Rotary battery pack thermal management system based on air-cooled uniform temperature control |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110571496A (en) * | 2019-09-18 | 2019-12-13 | 南昌大学 | Rotary battery pack thermal management system based on air-cooled uniform temperature control |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 Termination date: 20210918 |
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