CN211062827U - Cooling device for electric bicycle lithium battery - Google Patents
Cooling device for electric bicycle lithium battery Download PDFInfo
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- CN211062827U CN211062827U CN201922035021.8U CN201922035021U CN211062827U CN 211062827 U CN211062827 U CN 211062827U CN 201922035021 U CN201922035021 U CN 201922035021U CN 211062827 U CN211062827 U CN 211062827U
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- lithium battery
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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 heat sink for electric bicycle lithium cell relates to electric motor car accessory technical field. The utility model discloses in: the front end face and the rear end face of the mounting box are provided with first ventilation grooves; the inner bottom surface of the mounting box is provided with a fixed seat; the front end surface of the fixed seat is provided with a plurality of second ventilation grooves in parallel; mounting grooves are respectively arranged on two opposite side surfaces of the fixing seat; the rear end face of the fixed seat is provided with a fixed groove; the auxiliary radiator is arranged in the mounting groove; the auxiliary radiator comprises a first heat collecting plate and a first radiating fin group; the main radiator is arranged in the fixing groove; the main radiator comprises a second heat collecting plate, a second radiating fin group and a radiating fan. The utility model discloses a terminal surface sets up the ventilation groove and ventilates around the mounting box with the preceding terminal surface of fixing base to set up the air current that produces when auxiliary heat radiator utilizes electric bicycle to ride and dispel the heat, set up main radiator and dispel the heat through radiator fan when the lithium cell high temperature, avoid the high burnout of lithium cell high temperature.
Description
Technical Field
The utility model belongs to the technical field of the electric motor car accessory, especially, relate to a heat sink for electric bicycle lithium cell.
Background
An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle.
Along with the development of science and technology, people pay more and more attention to the problem of environmental protection, more and more people select electric bicycles for riding instead of walk when going out, most storage batteries of the existing electric bicycles adopt lead batteries and lithium batteries, compared with the lead batteries, the lithium batteries have the excellent characteristics of light weight, no charge-discharge memory and the like, but in terms of safety, the batteries meeting the market requirements generally need to store larger electric quantity because the electric power required by the electric bicycles is larger, and when the electric quantity is larger, the lithium batteries can possibly generate too high heat and finally have explosion accidents;
for solving this problem, design a heat sink for electric bicycle lithium cell now, dispel the heat the cooling through auxiliary heat radiator and main radiator to the lithium cell, avoid the lithium cell high temperature to lead to the safety problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat sink for electric bicycle lithium cell sets up the ventilation groove through the preceding terminal surface of terminal surface and fixing base around the mounting box and ventilates to set up the air current that produces when auxiliary heat radiator utilizes electric bicycle to ride and dispel the heat, reduce the energy consumption, and dispel the heat through radiator fan when the lithium cell high temperature through setting up main radiator, avoid the high burnout of lithium cell high temperature.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a cooling device for a lithium battery of an electric bicycle, which comprises a mounting box, an auxiliary radiator and a main radiator, wherein the mounting box is a cover-free box body; a plurality of first ventilation grooves are formed in the front end face and the rear end face of the mounting box in parallel; a plurality of screw holes are formed in the upper parts of the two opposite side surfaces of the mounting box;
a fixing seat for fixing the lithium battery is arranged on the inner bottom surface of the mounting box; the fixed seat is a rectangular plate frame; the front end face of the fixed seat is provided with a plurality of second ventilating grooves in parallel;
two opposite side surfaces of the fixed seat are respectively provided with an installation groove; two opposite side surfaces of the mounting groove are respectively provided with a first limiting groove; the rear end face of the fixed seat is provided with a fixed groove; two opposite side surfaces of the fixing groove are respectively provided with a second limiting groove;
the auxiliary radiator is arranged in the mounting groove; the auxiliary radiator comprises a first heat collecting plate and a first radiating fin group; the first radiating fin group is transversely fixed on one side surface of the first heat collecting plate; the other side surface of the first heat collecting plate is attached to the lithium battery;
two opposite side surfaces of the first heat collecting plate are respectively provided with a first limiting plate; the first limiting plate is matched with the first limiting groove;
the main radiator is arranged in the fixing groove; the main radiator comprises a second heat collecting plate, a second radiating fin group and a radiating fan; the second radiating fin group is fixed on one side surface of the second heat collecting plate; the heat dissipation fan is arranged on the second heat dissipation fin group; the other side surface of the second heat collecting plate is attached to the lithium battery; the second heat collecting plate distributes the heat of the lithium battery out through the second radiating fin group and the radiating fan, and the radiating fan blows out hot air through the first ventilation groove in the rear end face of the mounting box;
two opposite side surfaces of the second heat collecting plate are respectively provided with a second limiting plate; the second limiting plate is matched with the second limiting groove;
the upper end of the mounting box is provided with a box cover; a through wire groove is formed in the middle of the upper surface of the box cover; a plurality of through holes are arranged in parallel on the two opposite side surfaces of the box cover; the through hole is matched with the screw hole.
Furthermore, a temperature sensor and a controller are arranged at the bottom of the fixed seat; the controller controls the rotation of the cooling fan, and the temperature sensor senses the temperature data information of the lithium battery; when the temperature of the lithium battery exceeds a set threshold value, the controller controls the cooling fan to start running, and the cooling effect is improved.
Further, heat-conducting silicone grease is filled between the first heat collecting plate and the second heat collecting plate and between the first heat collecting plate and the lithium battery, heat-conducting performance between the lithium battery and the first heat collecting plate and between the lithium battery and the second heat collecting plate is improved through the heat-conducting silicone grease, and heat dissipation effect is improved.
Furthermore, a gap between the first radiating fin group and the inner side face of the mounting box forms a radiating air duct, and flowing air generated by the radiating air duct formed between the first radiating fin group and the mounting box when the electric bicycle is ridden is used for radiating, so that the energy consumption is reduced to a limited extent.
Furthermore, the first limiting plate and the first limiting groove are in interference fit; and the second limiting plate is in interference fit with the second limiting groove.
Further, the box cover is fixed on the mounting box through bolts; the bolt penetrates through the through hole and is meshed with the screw hole.
The utility model discloses following beneficial effect has:
the utility model discloses a terminal surface sets up the ventilation groove and ventilates around the mounting box with the preceding terminal surface of fixing base to set up the air current that produces when auxiliary heat radiator utilizes electric bicycle to ride and dispel the heat, reduce the energy consumption, and dispel the heat through radiator fan when the lithium cell high temperature through setting up main radiator, avoid the high burnout of lithium cell high temperature.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a cooling device for a lithium battery of an electric bicycle;
FIG. 2 is a schematic structural view of a cooling device for a lithium battery of an electric bicycle;
FIG. 3 is a schematic structural view of the mounting box;
FIG. 4 is a schematic structural view of the mounting box;
FIG. 5 is a top view of the mounting box;
FIG. 6 is a schematic view of an auxiliary heat sink;
fig. 7 is a schematic structural view of the main radiator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-7, the present invention relates to a cooling device for a lithium battery of an electric bicycle, which comprises a mounting box 1, an auxiliary heat sink 3 and a main heat sink 4, wherein the mounting box 1 is a box body without a cover; a plurality of first ventilation grooves 101 are arranged in parallel on the front end face and the rear end face of the mounting box 1; a plurality of screw holes 102 are arranged above two opposite side surfaces of the mounting box 1;
the upper end of the mounting box 1 is provided with a box cover 5; a through line groove 501 is arranged in the middle of the upper surface of the box cover 5; the power line of the lithium battery passes through the through line slot 501 to be connected with a control panel and a motor of the electric bicycle; a plurality of through holes 502 are arranged in parallel on the two opposite side surfaces of the box cover 5; the through hole 502 is matched with the screw hole 102; the box cover 5 is fixed on the mounting box 1 through bolts; the bolt passes through the through hole 502 to be engaged with the screw hole 102;
a fixed seat 2 for fixing the lithium battery is arranged on the inner bottom surface of the mounting box 1; the fixed seat 2 is a rectangular plate frame; a plurality of second ventilating grooves 201 are arranged in parallel on the front end surface of the fixed seat 2;
two opposite side surfaces of the fixed seat 2 are respectively provided with a mounting groove 202; two opposite side surfaces of the mounting groove 202 are respectively provided with a first limit groove 2021; the rear end face of the fixed seat 2 is provided with a fixed groove 203; two opposite side surfaces of the fixing groove 203 are respectively provided with a second limiting groove 2031;
the auxiliary radiator 3 is installed in the installation groove 202; the main radiator 4 is installed in the fixing groove 203;
the bottom of the fixed seat 2 is provided with a temperature sensor and a controller; the controller controls the rotation of the cooling fan 404, and the temperature sensor senses the temperature data information of the lithium battery; when the temperature of the lithium battery exceeds a set threshold value, the controller controls the cooling fan 403 to start running, so that the cooling effect is increased;
wherein, as shown in fig. 6, the auxiliary radiator 3 includes a first heat collecting plate 301 and a first fin group 303; the first fin group 303 is transversely fixed on one side surface of the first heat collecting plate 301; the other side surface of the first heat collecting plate 301 is attached to the lithium battery;
two opposite side surfaces of the first heat collecting plate 301 are respectively provided with a first limiting plate 302; the first limit plate 302 is matched with the first limit groove 2021; the first limit plate 302 and the first limit groove 2021 are in interference fit;
a gap between the first radiating fin group 303 and the inner side surface of the mounting box 1 forms a radiating air duct, and flowing air generated when the electric bicycle rides is radiated through the radiating air duct formed between the first radiating fin group 303 and the mounting box 1, so that the energy consumption is reduced to a limited extent;
wherein, as shown in fig. 7, the main radiator 4 includes a second heat collecting plate 401, a second fin group 403, and a radiator fan 404; the second fin group 403 is fixed on one side of the second heat collecting plate 401; the radiator fan 404 is mounted on the second fin group 403; the other side surface of the second heat collecting plate 401 is attached to the lithium battery; the second heat collecting plate 401 radiates the heat of the lithium battery through the second fin group 403 and the heat radiation fan 404, and the heat radiation fan 404 blows out the hot air through the first ventilation slot 101 on the rear end surface of the mounting box 1;
two opposite side surfaces of the second heat collecting plate 401 are respectively provided with a second limiting plate 402; the second limit plate 402 is matched with the second limit groove 2031; the second limiting plate 402 and the second limiting groove 2031 are in interference fit;
the heat conducting silicone grease is filled between the first heat collecting plate 301 and the second heat collecting plate 401 as well as between the first heat collecting plate 301 and the lithium battery, and the heat conducting performance between the lithium battery and the first heat collecting plate 301 as well as between the lithium battery and the second heat collecting plate 401 is improved through the heat conducting silicone grease, so that the heat radiating effect is improved.
When the electric bicycle runs under high load, heat generated by the lithium battery is insufficiently dissipated through the auxiliary radiator 3, and when the temperature of the lithium battery rises to reach a set threshold value, the temperature sensor at the bottom of the fixing seat 2 transmits a signal to the control unit to control the cooling fan 404 on the main radiator 4 to start running, so that the heat dissipation effect is improved, the lithium battery is prevented from being burnt due to overhigh temperature, and the safety and the stability of the device are improved;
wherein, the controller is also connected with an alarm which is arranged on one side surface of the mounting box 1; when the temperature is too high, the control alarm gives out acousto-optic alarm to remind the car owner that the lithium battery temperature is too high, and the car stops riding or reduces riding speed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an electric bicycle is heat sink for lithium cell, includes mounting box (1), auxiliary heat radiator (3) and main radiator (4), its characterized in that: the mounting box (1) is a box body without a cover; a plurality of first ventilation grooves (101) are arranged on the front end face and the rear end face of the mounting box (1) side by side; a plurality of screw holes (102) are formed in the upper parts of the two opposite side surfaces of the mounting box (1);
a fixing seat (2) for fixing the lithium battery is arranged on the inner bottom surface of the mounting box (1); the fixed seat (2) is a rectangular plate frame; a plurality of second ventilating grooves (201) are arranged on the front end face of the fixed seat (2) side by side;
two opposite side surfaces of the fixed seat (2) are respectively provided with a mounting groove (202); two opposite side surfaces of the mounting groove (202) are respectively provided with a first limiting groove (2021); the rear end face of the fixed seat (2) is provided with a fixed groove (203); two opposite side surfaces of the fixing groove (203) are respectively provided with a second limiting groove (2031);
the auxiliary radiator (3) is arranged in the mounting groove (202); the auxiliary radiator (3) comprises a first heat collecting plate (301) and a first radiating fin group (303); the first radiating fin group (303) is transversely fixed on one side surface of the first heat collecting plate (301); the other side surface of the first heat collecting plate (301) is attached to the lithium battery;
two opposite side surfaces of the first heat collecting plate (301) are respectively provided with a first limiting plate (302); the first limit plate (302) is matched with the first limit groove (2021);
the main radiator (4) is arranged in a fixing groove (203); the main radiator (4) comprises a second heat collecting plate (401), a second radiating fin group (403) and a radiating fan (404); the second radiating fin group (403) is fixed on one side surface of the second heat collecting plate (401); the heat radiation fan (404) is arranged on the second heat radiation fin group (403); the other side surface of the second heat collecting plate (401) is attached to the lithium battery;
two opposite side surfaces of the second heat collecting plate (401) are respectively provided with a second limiting plate (402); the second limiting plate (402) is matched with the second limiting groove (2031);
a box cover (5) is arranged at the upper end of the mounting box (1); a through line groove (501) is formed in the middle of the upper surface of the box cover (5); a plurality of through holes (502) are arranged on the two opposite side surfaces of the box cover (5) side by side; the through hole (502) is engaged with the screw hole (102).
2. The cooling device for the lithium battery of the electric bicycle according to claim 1, wherein a temperature sensor and a controller are arranged at the bottom of the fixed seat (2); the controller controls rotation of a heat dissipation fan (404).
3. The cooling device for the lithium battery of the electric bicycle according to claim 1, wherein heat-conducting silicone grease is filled between the first heat collecting plate (301), the second heat collecting plate (401) and the lithium battery.
4. The cooling device for the lithium battery of the electric bicycle as claimed in claim 1, wherein the gap between the first cooling fin group (303) and the inner side surface of the mounting box (1) forms a cooling air duct.
5. The cooling device for the lithium battery of the electric bicycle according to claim 1, wherein the first limit plate (302) is in interference fit with the first limit groove (2021); the second limiting plate (402) is in interference fit with the second limiting groove (2031).
6. The cooling device for the lithium battery of the electric bicycle according to claim 1, wherein the box cover (5) is fixed on the mounting box (1) through bolts; the bolt penetrates through the through hole (502) to be meshed with the screw hole (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035021.8U CN211062827U (en) | 2019-11-22 | 2019-11-22 | Cooling device for electric bicycle lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035021.8U CN211062827U (en) | 2019-11-22 | 2019-11-22 | Cooling device for electric bicycle lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062827U true CN211062827U (en) | 2020-07-21 |
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ID=71594240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922035021.8U Active CN211062827U (en) | 2019-11-22 | 2019-11-22 | Cooling device for electric bicycle lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211062827U (en) |
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2019
- 2019-11-22 CN CN201922035021.8U patent/CN211062827U/en active Active
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