CN114122490A - Marine waterproof power lithium battery - Google Patents
Marine waterproof power lithium battery Download PDFInfo
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- CN114122490A CN114122490A CN202111413385.0A CN202111413385A CN114122490A CN 114122490 A CN114122490 A CN 114122490A CN 202111413385 A CN202111413385 A CN 202111413385A CN 114122490 A CN114122490 A CN 114122490A
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- lithium battery
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- vertical plate
- box body
- battery unit
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 198
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000004888 barrier function Effects 0.000 claims description 94
- 238000005192 partition Methods 0.000 claims description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
-
- 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
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Hybrid Cells (AREA)
Abstract
The application provides a marine waterproof power lithium battery which comprises a box body, a box cover, an exhaust fan and a plurality of lithium battery units, wherein the lithium battery units are positioned in the box body and fixedly connected with the box body; one side surface of the box body is provided with an air inlet, and the other side surface of the box body is provided with an air outlet; the exhaust fan is fixedly connected with the box body, an air inlet of the exhaust fan is connected with the air outlet, and an air outlet of the exhaust fan is connected with the external space of the box body; the bottom of the inner side of the box body is provided with a water tank, and the height of the water tank is lower than the bottom height of the battery unit. Air exhauster during operation takes a breath to box body inner space, realizes cooling lithium cell, when having good heat dispersion, when water gets into the box body when inside over the air inlet, water avoids lithium cell and water contact along first clearance inflow in the basin, for marine power lithium cell among the prior art, has improved waterproof heat dissipation comprehensive properties.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a marine waterproof power lithium battery.
Background
The power battery is a power supply for providing a power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and ships. Lithium batteries are different from lead storage batteries in that they are easily burned or exploded when they meet water, and therefore, they are required to have a waterproof protection function. The marine power lithium battery has a lot of water in working environment, and compared with vehicles, the waterproof requirement of the power battery is larger, however, the marine power lithium battery in the prior art is generally sealed and waterproof, but the sealed and waterproof effect can be achieved, the heat dissipation efficiency is reduced, the service life is shortened easily due to overhigh temperature of the battery in the working process, and even combustion or explosion occurs, so that the marine power lithium battery in the prior art has poor waterproof and heat dissipation comprehensive performance.
Disclosure of Invention
The application provides a marine waterproof type power lithium cell for solve the problem that marine power lithium cell waterproof heat dissipation comprehensive properties is poor among the prior art.
In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:
a marine waterproof power lithium battery comprises a plurality of lithium battery units, wherein each lithium battery unit is of a plate-shaped structure, an electrode of each lithium battery unit is arranged on one side surface of each lithium battery unit, and the lithium battery units are linearly arranged along the thickness direction;
the marine waterproof power lithium battery also comprises a box body and a box cover, wherein the lithium battery unit is positioned in the box body and fixedly connected with the box body, the box cover is covered on the box opening of the box body, the box cover is fixedly connected with the box body, and the box cover is hermetically connected with the box opening of the box body;
one side surface of the box body is provided with an air inlet, the other side surface of the box body is provided with an air outlet, the inner space of the box body is communicated with the outer space through the air inlet and the air outlet respectively, and the battery unit is positioned between the air inlet and the air outlet;
the marine waterproof power lithium battery also comprises an exhaust fan, the exhaust fan is fixedly connected with the box body, an air inlet of the exhaust fan is connected with the air outlet, an air outlet of the exhaust fan is connected with the space outside the box body, and the exhaust fan is used for pumping air inside the box body to the outside of the box body;
the bottom of the inner side of the box body is provided with a water tank, the height of the water tank is lower than that of the bottom surface of the battery unit, a first gap is formed between the air inlet and the battery unit and located above the water tank, the air inlet is communicated with the first gap, and the first gap is communicated with the water tank.
In some embodiments, the box body includes a first vertical plate, a second vertical plate, a third vertical plate, a fourth vertical plate and a bottom plate, the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate are vertically disposed, the bottom plate is horizontally disposed, the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate are sequentially and fixedly connected end to end, the bottom surface of the first vertical plate, the bottom surface of the second vertical plate, the bottom surface of the third vertical plate and the bottom surface of the fourth vertical plate are respectively and fixedly connected with the upper surface of the bottom plate, the air inlet is disposed on the first vertical plate, the air inlet penetrates through the first vertical plate, the air outlet is disposed on the third vertical plate, and the air outlet penetrates through the third vertical plate;
the box body further comprises a partition board, the partition board is located above the bottom board, the partition board is located in a space surrounded by the first vertical board, the second vertical board, the third vertical board and the fourth vertical board, the partition board is parallel to the bottom board, the partition board is fixedly connected with the second vertical board, the third vertical board and the fourth vertical board respectively, a space is formed between the lower surface of the partition board and the surface of the bottom board, and the water tank is formed by the space between the lower surface of the partition board and the upper surface of the bottom board;
the lithium battery unit is positioned above the partition plate, the bottom of the lithium battery unit is fixedly connected with the partition plate, and the lithium battery unit is positioned in a space surrounded by the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate;
the partition board is spaced from the first vertical board, the first gap is located between the lithium battery unit and the first vertical board, and the first gap is communicated with the water tank through the space between the partition board and the first vertical board.
In some embodiments, the upper surface of the partition board is provided with a plurality of slots, the lithium battery unit is inserted into the slots along the vertical direction, the outer surface of the lithium battery unit is tightly matched with the inner walls of the slots, and the electrodes are located on the top surface of the lithium battery unit.
In some embodiments, a second gap is formed between the lithium battery cell and the second vertical plate, a third gap is formed between the lithium battery cell and the third vertical plate, a fourth gap is formed between the lithium battery cell and the fourth vertical plate, the first gap, the second gap, the third gap and the fourth gap are sequentially communicated end to end, and the exhaust port is communicated with the third gap.
In some embodiments, a fifth gap is formed between the lithium battery cell and the box cover, one end of the fifth gap is communicated with the first gap, and the other end of the fifth gap is communicated with the third gap.
In some embodiments, a sixth gap is formed between adjacent lithium battery cells, and the sixth gap is respectively communicated with the second gap, the fourth gap and the fifth gap.
In some embodiments, the marine waterproof power lithium battery further includes a plurality of barrier strips, the barrier strips are distributed in the second gap and the fourth gap, the barrier strip located in the second gap is fixedly connected to the second vertical plate, and the barrier strip located in the fourth gap is fixedly connected to the fourth vertical plate;
the barrier strips positioned in the second gap are arranged along the arrangement direction of the lithium battery units, one surface, far away from the second vertical plate, of the barrier strip positioned in the fourth gap is abutted against the side surface of the lithium battery unit, and two sixth gaps are formed between the adjacent barrier strips positioned in the second gap;
the barrier strips positioned in the fourth gap are arranged along the arrangement direction of the lithium battery units, one surface, far away from the fourth vertical plate, of the barrier strip positioned in the fourth gap is abutted against the side surface of the lithium battery unit, and two sixth gaps are formed between the adjacent barrier strips positioned in the fourth gap;
the barrier strips positioned in the second gap and the barrier strips positioned in the fourth gap are arranged in a crossed and spaced mode along the arrangement direction of the lithium battery cells, and only one sixth gap is arranged in the crossed and spaced mode of the barrier strips positioned in the second gap and the barrier strips positioned in the fourth gap;
the barrier divides the second gap, the fourth gap, and the sixth gap into a continuous serpentine airflow channel.
In some embodiments, the lithium battery cells are divided into a first lithium battery cell, a second lithium battery cell, a third lithium battery cell, a fourth lithium battery cell and a fifth lithium battery cell, and the first lithium battery cell, the second lithium battery cell, the third lithium battery cell, the fourth lithium battery cell and the fifth lithium battery cell are sequentially arranged along a direction perpendicular to the first vertical plate;
the first gap is located between the first lithium battery unit and the first vertical plate, and the second gap is located between the fifth lithium battery unit and the third vertical plate;
the barrier strips are divided into a first barrier strip, a second barrier strip, a third barrier strip, a fourth barrier strip and a fifth barrier strip, the first barrier strip, the second barrier strip and the third barrier strip are positioned in the second gap, and the fourth barrier strip and the fifth barrier strip are positioned in the fourth gap;
the first barrier strip is positioned between the second vertical plate and the first lithium battery unit, the second barrier strip is positioned between the second vertical plate and the third lithium battery unit, and the third barrier strip is positioned between the second vertical plate and the fifth lithium battery unit;
the fourth barrier strip is located between the second lithium battery unit and the fourth vertical plate, and the fifth barrier strip is located between the fourth lithium battery unit and the fourth vertical plate.
In some embodiments, a baffle is fixedly connected to the lower surface of the box cover, the baffle is vertically arranged, the baffle is parallel to the first vertical plate, the baffle is located in the first gap, a gap is formed between the lower surface of the baffle and the bottom plate, a gap is formed between the baffle and the first vertical plate, a gap is formed between the baffle and the bottom plate, and a gap is formed between the baffle and the lithium battery unit.
In some embodiments, a clamping groove is formed in the lower surface of the box cover, the upper end of the lithium battery unit is inserted into the clamping groove in the vertical direction, and the outer wall of the lithium battery unit is tightly matched with the inner wall of the clamping groove;
and/or the exhaust fan is positioned outside the box body;
and/or, marine waterproof type power lithium cell still includes the filter mantle, the filter mantle in the outer wall fixed connection of box body, the filter mantle is in on the air inlet, the exit end of filter mantle with the air inlet is connected, the entry end of filter mantle with the exterior space of box body is connected, the filter mantle intussuseption is filled with filter pulp and active carbon and water absorbent resin.
Has the advantages that:
the utility model provides a marine waterproof type power lithium cell, in the course of the work, fix the box body on the hull, the last electrode of lithium cell passes through the wire and is connected with load equipment, lithium cell generates heat, simultaneously the air exhauster is connected with external power source or is connected with lithium cell, the air exhauster during operation takes a breath to box body inner space, outside low temperature air enters into inside the box body from the air inlet, the inside hot-air of box body is discharged from the gas vent, the realization is cooled down to the box body is inside, cool down lithium cell, when having good heat dispersion, when water gets into inside the box body over the air inlet, water flows into the basin along first clearance, avoid lithium cell and water contact, reach water-proof effects, for marine power lithium cell among the prior art, waterproof heat dissipation comprehensive properties has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a marine waterproof power lithium battery in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a marine waterproof power lithium battery in another view according to an embodiment of the present application;
FIG. 3 is an exploded view of the case and lid of the embodiment of the present application;
FIG. 4 is a schematic structural diagram of a case cover in an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a cartridge in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a case in the embodiment of the present application from another viewing angle;
FIG. 7 is a schematic structural diagram of a lithium battery cell in an embodiment of the present application;
FIG. 8 is a schematic diagram of the distribution of the electrodes of the lithium battery cells on the lithium battery cells in the example of the present application;
FIG. 9 is a top view of a marine waterproof power lithium battery according to an embodiment of the present invention;
FIG. 10 is a sectional view taken along line A-A of FIG. 9;
FIG. 11 is a sectional view taken in the direction B-B of FIG. 10;
fig. 12 is a sectional view taken in the direction of C-C in fig. 10.
Reference numerals:
101. a box body; 102. a box cover; 103. an air inlet; 104. an exhaust port; 105. an exhaust fan; 106. a water tank; 107. a first gap; 108. a first vertical plate; 109. a second vertical plate; 110. a third vertical plate; 111. a fourth vertical plate; 112. a base plate; 113. a partition plate; 114. a slot; 115. a second gap; 116. a third gap; 117. a fourth gap; 118. a fifth gap; 119. a sixth gap; 120. a first lithium battery cell; 121. a second lithium battery cell; 122. a third lithium battery cell; 123. a fourth lithium battery cell; 124. a fifth lithium battery cell; 125. a first barrier strip; 126. a second barrier strip; 127. a third barrier strip; 128. a fourth barrier strip; 129. a fifth barrier strip; 130. a baffle plate; 131. a card slot; 132. and (6) a filter cover.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the terms "a particular example," "one embodiment," "an example," "some embodiments," "some examples," "some embodiments," or "possible embodiments," 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 an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 12, in an embodiment of the present application, there is provided a marine waterproof power lithium battery, including a plurality of lithium battery cells, the lithium battery cells having a plate-shaped structure, electrodes of the lithium battery cells being disposed on one of side surfaces of the lithium battery cells, the lithium battery cells being arranged in a line in a thickness direction; the marine waterproof power lithium battery also comprises a box body 101 and a box cover 102, wherein the lithium battery unit is positioned inside the box body 101 and fixedly connected with the box body 101, the box cover 102 is covered on the box opening of the box body 101, the box cover 102 is fixedly connected with the box body 101, and the box cover 102 is hermetically connected with the box opening of the box body 101; one side surface of the box body 101 is provided with an air inlet 103, the other side surface of the box body 101 is provided with an air outlet 104, the inner space of the box body 101 is communicated with the outer space through the air inlet 103 and the air outlet 104 respectively, and the battery unit is positioned between the air inlet 103 and the air outlet 104; the marine waterproof power lithium battery also comprises an exhaust fan 105, the exhaust fan 105 is fixedly connected with the box body 101, an air inlet of the exhaust fan 105 is connected with the air outlet 104, an air outlet of the exhaust fan 105 is connected with the space outside the box body 101, and the exhaust fan 105 is used for pumping air inside the box body 101 to the outside of the box body 101; the bottom of the inner side of the box body 101 is provided with a water tank 106, the height of the water tank 106 is lower than the bottom height of the battery unit, a first gap 107 is arranged between the air inlet 103 and the battery unit, the first gap 107 is positioned above the water tank 106, the air inlet 103 is communicated with the first gap 107, and the first gap 107 is communicated with the water tank 106.
In the marine waterproof power lithium battery provided by the embodiment, the box body 101 is fixed on the ship body during working, the electrodes on the lithium battery unit are connected with load equipment through leads, the lithium battery unit generates heat, meanwhile, the exhaust fan 105 is connected with an external power supply or a lithium battery unit, when the exhaust fan 105 works, the internal space of the box body 101 is ventilated, external low-temperature air enters the box body 101 from the air inlet 103, hot air in the box body 101 is exhausted from the air outlet 104, the internal part of the box body 101 is cooled, cool down lithium cell, when having good heat dispersion, when water surpassed air inlet 103 and got into inside the box body 101, water avoided lithium cell and water contact along first clearance 107 in flowing into basin 106, reached water-proof effects, for marine power lithium cell among the prior art, improved waterproof heat dissipation comprehensive properties.
In some embodiments, the box 101 includes a first vertical plate 108, a second vertical plate 109, a third vertical plate 110, a fourth vertical plate 111, and a bottom plate 112, the first vertical plate 108, the second vertical plate 109, the third vertical plate 110, and the fourth vertical plate 111 are vertically disposed, the bottom plate 112 is horizontally disposed, the first vertical plate 108, the second vertical plate 109, the third vertical plate 110, and the fourth vertical plate 111 are sequentially and fixedly connected end to end, a bottom surface of the first vertical plate 108, a bottom surface of the second vertical plate 109, a bottom surface of the third vertical plate 110, and a bottom surface of the fourth vertical plate 111 are respectively fixedly connected to an upper surface of the bottom plate 112, the air inlet 103 is disposed on the first vertical plate 108, the air inlet 103 penetrates through the first vertical plate 108, the air outlet 104 is disposed on the third vertical plate 110, and the air outlet 104 penetrates through the third vertical plate 110; the box body 101 further comprises a partition 113, the partition 113 is located above the bottom plate 112, the partition 113 is located inside a space surrounded by the first vertical plate 108, the second vertical plate 109, the third vertical plate 110 and the fourth vertical plate 111, the partition 113 is parallel to the bottom plate 112, the partition 113 is fixedly connected with the second vertical plate 109, the third vertical plate 110 and the fourth vertical plate 111 respectively, a space is formed between the lower surface of the partition 113 and the surface of the bottom plate 112, and the water tank 106 is formed by the space between the lower surface of the partition 113 and the upper surface of the bottom plate 112; the lithium battery unit is positioned above the separator 113, the bottom of the lithium battery unit is fixedly connected with the separator 113, and the lithium battery unit is positioned in a space surrounded by the first vertical plate 108, the second vertical plate 109, the third vertical plate 110 and the fourth vertical plate 111; a space is formed between the separator 113 and the first vertical plate 108, the first gap 107 is located between the lithium battery unit and the first vertical plate 108, and the first gap 107 is communicated with the water tank 106 through the space between the separator 113 and the first vertical plate 108.
In some embodiments, the upper surface of the partition 113 is provided with a plurality of slots 114, the lithium battery cell is inserted into the slots 114 along the vertical direction, the outer surface of the lithium battery cell is tightly matched with the inner walls of the slots 114, and the electrode is located on the top surface of the lithium battery cell.
In some embodiments, a second gap 115 is formed between the lithium battery cell and the second vertical plate 109, a third gap 116 is formed between the lithium battery cell and the third vertical plate 110, a fourth gap 117 is formed between the lithium battery cell and the fourth vertical plate 111, the first gap 107, the second gap 115, the third gap 116, and the fourth gap 117 are sequentially communicated end to end, and the exhaust port 104 is communicated with the third gap 116.
In some embodiments, a fifth gap 118 is formed between the lithium battery cell and the box cover 102, one end of the fifth gap 118 is communicated with the first gap 107, and the other end of the fifth gap 118 is communicated with the third gap 116.
In some embodiments, a sixth gap 119 is formed between adjacent lithium battery cells, and the sixth gap 119 is respectively communicated with the second gap 115, the fourth gap 117 and the fifth gap 118.
In some embodiments, the marine waterproof power lithium battery further comprises a plurality of barrier strips, the barrier strips are distributed in the second gap 115 and the fourth gap 117, the barrier strip located in the second gap 115 is fixedly connected with the second vertical plate 109, and the barrier strip located in the fourth gap 117 is fixedly connected with the fourth vertical plate 111; the barrier strips positioned in the second gap 115 are arranged along the arrangement direction of the lithium battery cells, one surface, away from the second vertical plate 109, of the barrier strip positioned in the fourth gap 117 is abutted against the side surface of the lithium battery cell, and two sixth gaps 119 are formed between the adjacent barrier strips positioned in the second gap 115; the barrier strips positioned in the fourth gap 117 are arranged along the arrangement direction of the lithium battery cells, one surface, far away from the fourth vertical plate 111, of the barrier strip positioned in the fourth gap 117 is abutted against the side surface of the lithium battery cell, and two sixth gaps 119 are formed between the adjacent barrier strips positioned in the fourth gap 117; the barrier strips positioned in the second gap 115 and the barrier strips positioned in the fourth gap 117 are arranged in a crossed and spaced mode along the arrangement direction of the lithium battery cells, and only one sixth gap 119 is arranged in the crossed and spaced mode between the barrier strips positioned in the second gap 115 and the barrier strips positioned in the fourth gap 117; the bars divide the second 115, fourth 117 and sixth 119 gaps into a continuous serpentine airflow path.
In some embodiments, the lithium battery cells are divided into a first lithium battery cell 120, a second lithium battery cell 121, a third lithium battery cell 122, a fourth lithium battery cell 123 and a fifth lithium battery cell 124, and the first lithium battery cell 120, the second lithium battery cell 121, the third lithium battery cell 122, the fourth lithium battery cell 123 and the fifth lithium battery cell 124 are sequentially arranged along a direction perpendicular to the first vertical plate 108; the first gap 107 is located between the first lithium battery cell 120 and the first vertical plate 108, and the second gap 115 is located between the fifth lithium battery cell 124 and the third vertical plate 110; the barrier strips are divided into a first barrier strip 125, a second barrier strip 126, a third barrier strip 127, a fourth barrier strip 128 and a fifth barrier strip 129, the first barrier strip 125, the second barrier strip 126 and the third barrier strip 127 are positioned in the second gap 115, and the fourth barrier strip 128 and the fifth barrier strip 129 are positioned in the fourth gap 117; the first barrier strip 125 is positioned between the second vertical plate 109 and the first lithium battery unit 120, the second barrier strip 126 is positioned between the second vertical plate 109 and the third lithium battery unit 122, and the third barrier strip 127 is positioned between the second vertical plate 109 and the fifth lithium battery unit 124; the fourth barrier 128 is located between the second lithium battery cell 121 and the fourth vertical plate 111, and the fifth barrier 129 is located between the fourth lithium battery cell 123 and the fourth vertical plate 111.
In some embodiments, the baffle 130 is fixedly connected to the lower surface of the box cover 102, the baffle 130 is vertically disposed, the baffle 130 is parallel to the first vertical plate 108, the baffle 130 is located in the first gap 107, a gap is formed between the lower surface of the baffle 130 and the bottom plate 112, a gap is formed between the baffle 130 and the first vertical plate 108, a gap is formed between the baffle 130 and the bottom plate 112, and a gap is formed between the baffle 130 and the lithium battery cell.
In some embodiments, the lower surface of the box cover 102 is provided with a clamping groove 131, the upper end of the lithium battery cell is inserted into the clamping groove 131 along the vertical direction, and the inner wall of the clamping groove 131 on the outer wall of the lithium battery cell is tightly fitted; and/or the suction fan 105 is located outside the box 101; and/or, the marine waterproof power lithium battery further comprises a filter cover 132, the filter cover 132 is fixedly connected with the outer wall of the box body 101, the filter cover 132 covers the air inlet 103, the outlet end of the filter cover 132 is connected with the air inlet 103, the inlet end of the filter cover 132 is connected with the outer space of the box body 101, and the filter cover 132 is filled with filter cotton, activated carbon and water-absorbent resin.
The baffle 130 of the marine waterproof power lithium battery provided by the embodiment can prevent water flowing in from the air inlet 103 from splashing on the lithium battery unit, so that the waterproof performance is improved. The barrier strips form a continuous snake-shaped airflow channel inside the box body 101, the directionality of airflow is improved, the retention of hot air inside the box body 101 is reduced, the heat dissipation efficiency is improved, meanwhile, a fifth gap 118 arranged between the box cover 102 and the lithium battery unit directly connects the first gap 107 and the third gap 116 together, the airflow speed in the fifth gap 118 is larger than that in the sixth gap 119, and heat generated at the electrode joint can be quickly taken out of the box body 101.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. A marine waterproof power lithium battery is characterized by comprising a plurality of lithium battery units, wherein each lithium battery unit is of a plate-shaped structure, an electrode of each lithium battery unit is arranged on one side surface of each lithium battery unit, and the lithium battery units are linearly arranged along the thickness direction;
the marine waterproof power lithium battery also comprises a box body and a box cover, wherein the lithium battery unit is positioned in the box body and fixedly connected with the box body, the box cover is covered on the box opening of the box body, the box cover is fixedly connected with the box body, and the box cover is hermetically connected with the box opening of the box body;
one side surface of the box body is provided with an air inlet, the other side surface of the box body is provided with an air outlet, the inner space of the box body is communicated with the outer space through the air inlet and the air outlet respectively, and the battery unit is positioned between the air inlet and the air outlet;
the marine waterproof power lithium battery also comprises an exhaust fan, the exhaust fan is fixedly connected with the box body, an air inlet of the exhaust fan is connected with the air outlet, an air outlet of the exhaust fan is connected with the space outside the box body, and the exhaust fan is used for pumping air inside the box body to the outside of the box body;
the bottom of the inner side of the box body is provided with a water tank, the height of the water tank is lower than that of the bottom surface of the battery unit, a first gap is formed between the air inlet and the battery unit and located above the water tank, the air inlet is communicated with the first gap, and the first gap is communicated with the water tank.
2. The marine waterproof power lithium battery of claim 1, wherein the box body comprises a first vertical plate, a second vertical plate, a third vertical plate, a fourth vertical plate and a bottom plate, the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate are vertically arranged, the bottom plate is horizontally arranged, the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate are sequentially and fixedly connected end to end, the bottom surface of the first vertical plate, the bottom surface of the second vertical plate, the bottom surface of the third vertical plate and the bottom surface of the fourth vertical plate are respectively and fixedly connected with the upper surface of the bottom plate, the air inlet is formed in the first vertical plate, the air inlet penetrates through the first vertical plate, the air outlet is formed in the third vertical plate, and the air outlet penetrates through the third vertical plate;
the box body further comprises a partition board, the partition board is located above the bottom board, the partition board is located in a space surrounded by the first vertical board, the second vertical board, the third vertical board and the fourth vertical board, the partition board is parallel to the bottom board, the partition board is fixedly connected with the second vertical board, the third vertical board and the fourth vertical board respectively, a space is formed between the lower surface of the partition board and the surface of the bottom board, and the water tank is formed by the space between the lower surface of the partition board and the upper surface of the bottom board;
the lithium battery unit is positioned above the partition plate, the bottom of the lithium battery unit is fixedly connected with the partition plate, and the lithium battery unit is positioned in a space surrounded by the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate;
the partition board is spaced from the first vertical board, the first gap is located between the lithium battery unit and the first vertical board, and the first gap is communicated with the water tank through the space between the partition board and the first vertical board.
3. The marine waterproof power lithium battery of claim 2, wherein the upper surface of the partition plate is provided with a plurality of slots, the lithium battery unit is inserted into the slots along a vertical direction, the outer surface of the lithium battery unit is tightly matched with the inner walls of the slots, and the electrode is positioned on the top surface of the lithium battery unit.
4. The marine waterproof power lithium battery of claim 3, wherein a second gap is formed between the lithium battery cell and the second vertical plate, a third gap is formed between the lithium battery cell and the third vertical plate, a fourth gap is formed between the lithium battery cell and the fourth vertical plate, the first gap, the second gap, the third gap and the fourth gap are sequentially communicated end to end, and the air outlet is communicated with the third gap.
5. The marine waterproof power lithium battery of claim 4, wherein a fifth gap is formed between the lithium battery cell and the box cover, one end of the fifth gap is communicated with the first gap, and the other end of the fifth gap is communicated with the third gap.
6. The marine waterproof power lithium battery of claims 1-5, wherein a sixth gap is provided between adjacent lithium battery cells, and the sixth gap is in communication with the second gap, the fourth gap, and the fifth gap, respectively.
7. The marine waterproof power lithium battery of claims 1-6 further comprising a plurality of bars distributed in the second gap and the fourth gap, wherein the bars in the second gap are fixedly connected to the second vertical plate, and the bars in the fourth gap are fixedly connected to the fourth vertical plate;
the barrier strips positioned in the second gap are arranged along the arrangement direction of the lithium battery units, one surface, far away from the second vertical plate, of the barrier strip positioned in the fourth gap is abutted against the side surface of the lithium battery unit, and two sixth gaps are formed between the adjacent barrier strips positioned in the second gap;
the barrier strips positioned in the fourth gap are arranged along the arrangement direction of the lithium battery units, one surface, far away from the fourth vertical plate, of the barrier strip positioned in the fourth gap is abutted against the side surface of the lithium battery unit, and two sixth gaps are formed between the adjacent barrier strips positioned in the fourth gap;
the barrier strips positioned in the second gap and the barrier strips positioned in the fourth gap are arranged in a crossed and spaced mode along the arrangement direction of the lithium battery cells, and only one sixth gap is arranged in the crossed and spaced mode of the barrier strips positioned in the second gap and the barrier strips positioned in the fourth gap;
the barrier divides the second gap, the fourth gap, and the sixth gap into a continuous serpentine airflow channel.
8. The marine waterproof power lithium battery of claim 7, wherein the lithium battery cells are divided into a first lithium battery cell, a second lithium battery cell, a third lithium battery cell, a fourth lithium battery cell and a fifth lithium battery cell, and the first lithium battery cell, the second lithium battery cell, the third lithium battery cell, the fourth lithium battery cell and the fifth lithium battery cell are sequentially arranged in a direction perpendicular to the first vertical plate;
the first gap is located between the first lithium battery unit and the first vertical plate, and the second gap is located between the fifth lithium battery unit and the third vertical plate;
the barrier strips are divided into a first barrier strip, a second barrier strip, a third barrier strip, a fourth barrier strip and a fifth barrier strip, the first barrier strip, the second barrier strip and the third barrier strip are positioned in the second gap, and the fourth barrier strip and the fifth barrier strip are positioned in the fourth gap;
the first barrier strip is positioned between the second vertical plate and the first lithium battery unit, the second barrier strip is positioned between the second vertical plate and the third lithium battery unit, and the third barrier strip is positioned between the second vertical plate and the fifth lithium battery unit;
the fourth barrier strip is located between the second lithium battery unit and the fourth vertical plate, and the fifth barrier strip is located between the fourth lithium battery unit and the fourth vertical plate.
9. The marine waterproof power lithium battery of claim 8, wherein a baffle is fixedly connected to a lower surface of the box cover, the baffle is vertically arranged, the baffle is parallel to the first vertical plate, the baffle is located in the first gap, a space is formed between the lower surface of the baffle and the bottom plate, a space is formed between the baffle and the first vertical plate, a space is formed between the baffle and the bottom plate, and a space is formed between the baffle and the lithium battery unit.
10. The marine waterproof power lithium battery of claim 9, wherein a clamping groove is formed in the lower surface of the box cover, the upper end of the lithium battery unit is inserted into the clamping groove in the vertical direction, and the outer wall of the lithium battery unit is tightly fitted with the inner wall of the clamping groove;
and/or the exhaust fan is positioned outside the box body;
and/or, marine waterproof type power lithium cell still includes the filter mantle, the filter mantle in the outer wall fixed connection of box body, the filter mantle is in on the air inlet, the exit end of filter mantle with the air inlet is connected, the entry end of filter mantle with the exterior space of box body is connected, the filter mantle intussuseption is filled with filter pulp and active carbon and water absorbent resin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413385.0A CN114122490A (en) | 2021-11-25 | 2021-11-25 | Marine waterproof power lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111413385.0A CN114122490A (en) | 2021-11-25 | 2021-11-25 | Marine waterproof power lithium battery |
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| CN114122490A true CN114122490A (en) | 2022-03-01 |
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