CN113571757A - Waterproof lithium battery - Google Patents

Waterproof lithium battery Download PDF

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Publication number
CN113571757A
CN113571757A CN202010350135.6A CN202010350135A CN113571757A CN 113571757 A CN113571757 A CN 113571757A CN 202010350135 A CN202010350135 A CN 202010350135A CN 113571757 A CN113571757 A CN 113571757A
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CN
China
Prior art keywords
lithium battery
protective shell
waterproof
filter screen
battery body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010350135.6A
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Chinese (zh)
Inventor
童军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Jinkuaile Power Supply Co ltd
Original Assignee
Yangzhou Jinkuaile Power Supply Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou Jinkuaile Power Supply Co ltd filed Critical Yangzhou Jinkuaile Power Supply Co ltd
Priority to CN202010350135.6A priority Critical patent/CN113571757A/en
Publication of CN113571757A publication Critical patent/CN113571757A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6562—Gases with free flow by convection only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to the technical field of lithium batteries, and discloses a waterproof lithium battery which comprises a protective shell, wherein a heat conducting plate is fixedly sleeved on the inner side of the bottom of the protective shell. According to the invention, the heat conducting plate and the radiating fins form the heat conducting assembly for the bottom of the lithium battery body, heat generated by charging and discharging of the lithium battery body is timely conducted out of the device for heat dissipation, the sealing plate is in threaded connection with the protective shell for sealing and protecting the lithium battery body, and meanwhile, the outside air and the air inside the protective shell can be subjected to cold and heat exchange through the ventilation duct and the radiating holes between the waterproof cover and the protective shell, so that the heat dissipation efficiency of the device is further improved, the pipe cover structure of the waterproof cover and the active carbon inside the active carbon filter screen box can respectively shield outside rainwater and adsorb and dry the air entering the protective shell, so that the high-efficiency heat dissipation and the waterproof protection functions of the device are simultaneously performed, and the service life of the lithium battery body is prolonged.

Description

Waterproof lithium battery
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a waterproof lithium battery.
Background
The lithium battery is a battery using non-electrolyte solution by taking lithium metal or lithium alloy as a negative electrode material, has the advantages of high energy, long service life, high rated voltage, high power bearing capacity, high-low temperature adaptability and the like, gradually becomes the mainstream of battery research along with the development of scientific technology, and is widely applied to industries such as communication, electric automobiles, electric bicycles, unmanned aerial vehicles and the like.
But present electric bicycle still has some problems in the aspect of using the lithium cell and need solve, firstly can produce a large amount of heat energy in the lithium cell use, if not in time scattered calorific capacity, can reduce the life of lithium cell, secondly, electric bicycle uses, and the lithium cell is a lot of and directly exposes in the external if water-proof effects is not good, and when rainy day or humid weather, moisture can permeate the inside of lithium cell, leads to the lithium cell to damage, for this we provide a waterproof type lithium cell.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a waterproof lithium battery, which solves the problems mentioned in the background technology.
The invention provides the following technical scheme: the utility model provides a waterproof type lithium cell, includes protecting sheathing, the fixed heat-conducting plate that has cup jointed in the inboard of protecting sheathing bottom, the bottom surface fixedly connected with fin of heat-conducting plate, the fixed bottom at protecting sheathing of cup joint of fin, the top surface fixed mounting of heat-conducting plate has lithium cell body, lithium cell body's top is provided with the closing plate, closing plate threaded connection is in the inboard at protecting sheathing top, the top surface swing joint of closing plate has active carbon filter screen box, the bottom surface of active carbon filter screen box is provided with the louvre, the inside at the closing plate is seted up to the louvre the fixed buckler that has cup jointed in the outside of active carbon filter screen box top surface, the inner wall fixedly connected with clamping screw at buckler top surface middle part, clamping screw threaded connection is in the inside of closing plate.
Carefully selecting, the outside of fin is provided with the mounting groove, the mounting groove is seted up on the inner wall of protecting sheathing bottom surface.
Carefully, the both sides swing joint of lithium cell body has the arc clamp plate, and one side fixedly connected with buffer spring of arc clamp plate, the fixed cover of buffer spring one end connects on the inner wall at protecting sheathing middle part.
Carefully selecting, the both sides at closing plate top have seted up the groove of stepping down, and the fixed internal cover in the groove of stepping down has connect the torsion bar.
Carefully selecting, a circulation air channel is arranged between the inner walls of the two sides of the waterproof cover and the surface of the top of the protective shell, and the waterproof cover is made of waterproof and corrosion-resistant materials.
Carefully, the fixed material changing pipe that has cup jointed in one side of active carbon filter screen box top surface, and the joint in the outside of the material changing pipe top of active carbon filter screen box top surface has sealed tube cap, the fixed top at the buckler in the middle part of the material changing pipe of active carbon filter screen box top surface.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the heat conducting plate and the radiating fins form the heat conducting assembly for the bottom of the lithium battery body, heat generated by charging and discharging of the lithium battery body is timely conducted out of the device for heat dissipation, the sealing plate is in threaded connection with the protective shell for sealing and protecting the lithium battery body, and meanwhile, the outside air and the air inside the protective shell can be subjected to cold and heat exchange through the ventilation duct and the radiating holes between the waterproof cover and the protective shell, so that the heat dissipation efficiency of the device is further improved, the pipe cover structure of the waterproof cover and the active carbon inside the active carbon filter screen box can respectively shield outside rainwater and adsorb and dry the air entering the protective shell, so that the high-efficiency heat dissipation and the waterproof protection functions of the device are simultaneously performed, and the service life of the lithium battery body is prolonged.
2. According to the invention, the buffer and shock absorption assembly is formed by the buffer spring and the arc pressing plate, so that the shock impact on the lithium battery body in the use process of the device in the actual environment is buffered and weakened, the lithium battery body is prevented from being damaged by external shock, and the practicability of the device is further improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic bottom view of the structural waterproof cover of the present invention;
FIG. 3 is a schematic bottom view of the structural waterproof cover of the present invention;
FIG. 4 is a schematic top view of a sealing plate according to the present invention;
FIG. 5 is a schematic front view of an activated carbon filter cartridge according to the present invention;
FIG. 6 is a top view of an arc platen according to the present invention.
In the figure: 1. a protective housing; 2. a heat conducting plate; 3. a heat sink; 4. a lithium battery body; 5. a sealing plate; 6. heat dissipation holes; 7. an activated carbon filter screen box; 8. fixing the screw rod; 9. a waterproof cover; 10. a yielding groove; 11. a torsion bar; 12. an arc pressing plate; 13. a buffer spring; 14. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a waterproof lithium battery comprises a protective casing 1, a heat conducting plate 2 is fixedly sleeved on the inner side of the bottom of the protective casing 1, a heat dissipating fin 3 is fixedly connected to the bottom surface of the heat conducting plate 2, an installation groove 14 is arranged on the outer side of the heat dissipating fin 3, the installation groove 14 is arranged on the inner wall of the bottom surface of the protective casing 1, a heat conducting assembly is formed at the bottom of the lithium battery body 4 through the heat conducting plate 2 and the heat dissipating fin 3, the heat generated by charging and discharging of the lithium battery body 4 is dissipated by a device for dissipating heat in time, the heat dissipating fin 3 is fixedly sleeved at the bottom of the protective casing 1, the lithium battery body 4 is fixedly arranged on the top surface of the heat conducting plate 2, arc pressing plates 12 are movably connected to two sides of the lithium battery body 4, a buffer spring 13 is fixedly connected to one side of the arc pressing plate 12, one end of the buffer spring 13 is fixedly sleeved on the inner wall of the middle part of the protective casing 1, and a buffer damping assembly is formed by the buffer spring 13 and the arc pressing plates 12, the device is characterized in that the shock impact on the lithium battery body 4 is buffered and weakened in the use process of the device in the actual environment, the lithium battery body 4 is prevented from being damaged by external shock, the practicability of the device is further improved, a sealing plate 5 is arranged at the top of the lithium battery body 4, two sides of the top of the sealing plate 5 are provided with a abdication groove 10, a torsion bar 11 is fixedly sleeved inside the abdication groove 10, the abdication groove 10 and the torsion bar 11 provide a convenient holding structure for the subsequent separation of the sealing plate 5 and the protective shell 1, the subsequent maintenance operation of people is facilitated, the sealing plate 5 is in threaded connection with the inner side of the top of the protective shell 1, the top surface of the sealing plate 5 is movably connected with an active carbon filter screen box 7, a material changing pipe is fixedly sleeved at one side of the top surface of the active carbon filter screen box 7, a sealing pipe cover is clamped at the outer side of the top of the material changing pipe at the top surface of the active carbon filter screen box 7, and the middle of the material changing pipe at the top surface of the active carbon filter screen box 7 is fixedly sleeved at the top of the waterproof cover 9, the active carbon in the active carbon filter screen box 7 can adsorb and dry the air entering the protective shell 1, so as to prevent the moist air from entering the protective shell 1 and contacting the lithium battery body 4, the bottom surface of the active carbon filter screen box 7 is provided with heat dissipation holes 6, the heat dissipation holes 6 are arranged in the sealing plate 5, the outer side of the top surface of the active carbon filter screen box 7 is fixedly sleeved with a waterproof cover 9, a circulation air duct is arranged between the inner walls of the two sides of the waterproof cover 9 and the surface of the top of the protective shell 1, the waterproof cover 9 is made of waterproof and corrosion-resistant materials, the outside air and the air in the protective shell 1 can exchange heat and cold through the circulation air duct between the waterproof cover 9 and the protective shell 1 and the heat dissipation holes 6, so as to further improve the heat dissipation efficiency of the device, the pipe cover structure of the waterproof cover 9 and the active carbon in the active carbon filter screen box 7 can respectively shield outside rainwater and adsorb and dry the air entering the protective shell 1, make the high-efficient heat dissipation of device go on simultaneously with waterproof protect function, realize the comprehensive protection to lithium cell body 4 from this, prolong lithium cell body 4's life, the inner wall fixedly connected with clamping screw 8 at 9 top surfaces of buckler middle parts, 8 threaded connection of clamping screw are in the inside of closing plate 5.
The working principle is as follows: when the device is used, the sealing plate 5 and the waterproof cover 9 are connected with the protective shell 1 to be matched with the protective shell 1 to carry out waterproof sealing protection on the lithium battery body 4 in the protective shell 1, when the lithium battery body 4 generates heat in charge-discharge operation, the heat conducting plate 2 contacted with the bottom surface of the lithium battery body 4 utilizes the radiating fins 3 to lead the heat out of the protective shell 1 in time, meanwhile, external cold air firstly enters the inside of the active carbon filter screen box 7 through a circulation air duct between the inside of the waterproof cover 9 and the protective shell 1 to carry out dewatering and drying, and then enters the inside of the protective shell 1 through the radiating holes 6 to carry out cold-hot convection exchange with hot air in the protective shell 1, and when the device is used in rainy days, the pipe cover structural design of the waterproof cover 9 can prevent rainwater from entering the inside of the protective shell 1 through the radiating holes 6 to contact with the lithium battery body 4, thereby further improving the radiating efficiency of the device to the lithium battery body 4 while ensuring waterproof and dry of the device, when the device suffers from shock impact in the actual use process, the shock absorption assembly consisting of the buffer spring 13 and the arc pressing plate 12 can buffer and weaken the shock impact on the lithium battery body 4, so that shock absorption protection is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A waterproof lithium battery comprises a protective shell (1), and is characterized in that: the heat conducting plate (2) is fixedly sleeved on the inner side of the bottom of the protective shell (1), the heat radiating fins (3) are fixedly connected to the bottom surface of the heat conducting plate (2), the heat radiating fins (3) are fixedly sleeved on the bottom of the protective shell (1), the lithium battery body (4) is fixedly installed on the top surface of the heat conducting plate (2), the sealing plate (5) is arranged at the top of the lithium battery body (4), the sealing plate (5) is in threaded connection with the inner side of the top of the protective shell (1), the top surface of the sealing plate (5) is movably connected with an activated carbon filter screen box (7), the bottom surface of the activated carbon filter screen box (7) is provided with heat radiating holes (6), the heat radiating holes (6) are arranged in the sealing plate (5), the waterproof cover (9) is fixedly sleeved on the outer side of the top surface of the activated carbon filter screen box (7), and a fixing screw rod (8) is fixedly connected to the inner wall of the middle part of the top surface of the waterproof cover (9), the fixed screw rod (8) is in threaded connection with the inner part of the sealing plate (5).
2. The waterproof lithium battery of claim 1, wherein: the outer side of the radiating fin (3) is provided with a mounting groove (14), and the mounting groove (14) is formed in the inner wall of the bottom surface of the protective shell (1).
3. The waterproof lithium battery of claim 1, wherein: the lithium battery comprises a lithium battery body (4), wherein arc pressing plates (12) are movably connected to two sides of the lithium battery body (4), buffer springs (13) are fixedly connected to one sides of the arc pressing plates (12), and one ends of the buffer springs (13) are fixedly sleeved on the inner wall of the middle portion of a protective shell (1).
4. The waterproof lithium battery of claim 1, wherein: the two sides of the top of the sealing plate (5) are provided with abdicating grooves (10), and torsion bars (11) are fixedly sleeved inside the abdicating grooves (10).
5. The waterproof lithium battery of claim 1, wherein: a circulation air channel is arranged between the inner walls of the two sides of the waterproof cover (9) and the surface of the top of the protective shell (1), and the waterproof cover (9) is made of waterproof and corrosion-resistant materials.
6. The waterproof lithium battery of claim 1, wherein: the fixed cover of one side of active carbon filter screen box (7) top surface has connect the material changing pipe, and the joint of the material changing pipe top outside of active carbon filter screen box (7) top surface has sealed tube cap, the fixed top at buckler (9) of cup jointing in the material changing pipe middle part of active carbon filter screen box (7) top surface.
CN202010350135.6A 2020-04-28 2020-04-28 Waterproof lithium battery Pending CN113571757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010350135.6A CN113571757A (en) 2020-04-28 2020-04-28 Waterproof lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010350135.6A CN113571757A (en) 2020-04-28 2020-04-28 Waterproof lithium battery

Publications (1)

Publication Number Publication Date
CN113571757A true CN113571757A (en) 2021-10-29

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ID=78158063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010350135.6A Pending CN113571757A (en) 2020-04-28 2020-04-28 Waterproof lithium battery

Country Status (1)

Country Link
CN (1) CN113571757A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114464869A (en) * 2022-02-19 2022-05-10 深圳市科瑞隆科技有限公司 Waterproof lithium battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114464869A (en) * 2022-02-19 2022-05-10 深圳市科瑞隆科技有限公司 Waterproof lithium battery

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