CN104538570A - Novel pressure resisting polymer lithium battery pack for underwater vehicle - Google Patents
Novel pressure resisting polymer lithium battery pack for underwater vehicle Download PDFInfo
- Publication number
- CN104538570A CN104538570A CN201510014240.1A CN201510014240A CN104538570A CN 104538570 A CN104538570 A CN 104538570A CN 201510014240 A CN201510014240 A CN 201510014240A CN 104538570 A CN104538570 A CN 104538570A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- box body
- casing
- baffle
- battery pack
- 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.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 53
- 229920000642 polymer Polymers 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 abstract description 8
- 235000019994 cava Nutrition 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011449 brick Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000004568 cement Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 229920003247 engineering thermoplastic Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a novel pressure resisting polymer lithium battery pack for an underwater vehicle. The novel pressure resisting polymer lithium battery pack is capable of operating in any ocean depth. The novel pressure resisting polymer lithium battery pack comprises a box body, a lithium battery unit arranged in the box body, a protecting plate arranged in the box body, a flexible roof cover arranged on the upper portion of the box body, a pressing plate arranged on the upper portion of the box body and a stop valve arranged on the lower portion of the box body. The lithium battery unit is composed of a polymer monomer lithium battery, a PCB adapter plate and a supporting frame. The lithium battery unit and the protecting plate are fixed on the studs arranged on the box body through screws. A circuit connection between the protecting plate and the lithium battery unit is achieved through wires. The flexible roof cover and the pressing plate are fixed on flange edges arranged on the box body through the screws and nuts, so that a sealed structure is formed inside the box body. When the underwater vehicle submerges, the flexible roof cover automatic caves inwards so that pre-filled silicone oil in the box body can be compressed to generate the internal pressure, the dynamic equilibrium of the internal pressure and the external pressure of the box body can be achieved instantly, and therefore the situation that the box body is damaged by crushing, and water enters the box body can be avoided. The pressure resisting novel polymer lithium battery pack has the advantages that the safety is high, the reliability is high, the cost is low, and the application method is flexible.
Description
Technical field
The invention belongs to field of lithium, be specifically related to a kind of submerge device withstand voltage new polymers lithium battery bag.
Background technology
Because submerge device uses the particularity in field, being doomed battery is sole power.Payload capability and cruise time are the important indicators weighing submerge device performance quality.
In the past, underwater kit power supply mostly used silver-colored MH secondary battery, its useful life only more than 30 times, and exist working service cost high, can not the defect such as high inclination-angle use.In recent years, due to poly-lithium battery have that specific power is high, specific energy is large, have extended cycle life, fail safe is good, operating temperature range is wide, good environmental adaptability (high temperature resistant, high humidity, hypersaline environment), easy care and installation and the advantages such as use location is unrestricted, arbitrary shape size, has become the current underwater operation power supply having application prospect most.
Autonomous underwater vehicle (Unmanned Underwater Vehicle is called for short UUV), at below 533mm, in so little space, if adopt metal material to manufacture Battery case, there is payload deficiency, the problem that manufacturing cost is high in general diameter.Meanwhile, during due to Battery case use metal material making, also need to take some insulation protection measures, certainly will take up room, affect the energy density per unit volume metric density of power brick, and then shorten the submerge device cruise time.
The density of plastic material (is generally 1.05 ~ 1.45g/cm
3), be only steel about 1/6th (density of steel is generally 7.8g/cm
3), meanwhile, it also has outstanding insulation property, is conducive to the payload capability and the energy density per unit volume metric density that improve submerge device.In addition, plastic cement products is produced in enormous quantities by adopting Shooting Technique, has the advantage that production cost is low.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the withstand voltage poly-lithium battery bag of submerge device of large, the long voyage of a kind of payload, high security, low cost is provided.
The present invention is achieved through the following technical solutions: a kind of submerge device withstand voltage new polymers lithium battery bag, it is characterized in that, comprising: casing, the lithium cells being located at box house and baffle, the flexible upper cover being located at casing top and pressing plate, be located at the break valve of lower box; Described lithium cells is by polymer monomer lithium battery and be located at the PCB keyset at polymer monomer lithium battery top successively and bracing frame forms; Described lithium cells and baffle are screwed on stud set by casing; Baffle is then connected with lithium cells completing circuit by wire; Described flexible upper cover and pressing plate, be fixed on flange set by casing by screw and nut, makes inner formation closed structure.
Further, the top of described casing is hatch frame, and end face is provided with flange, is provided with several through hole in flange, is thereunder provided with several reinforcements; The base of described casing is provided with four hold-down screws and passes with through hole and several reinforcements; The inside of described casing is provided with lithium cells settlement and baffle settlement; Casing position below described baffle settlement, is provided with four interface screws, exports underwater electrical connector, communication port underwater electrical connector and break valve for installing power positive cathode; Described box house is also provided with multiple in the stud by fixing lithium cells and baffle.
Further, the PCB keyset of described lithium cells is located at the top of polymer unit cells, and adopt scolding tin mode by the tab welding of polymer unit cells on pad set by PCB keyset correspondence, the connection in series-parallel realizing battery unit connects; Described polymer monomer lithium battery is made by resistance to compression technology; Support frame as described above is located at the top of PCB keyset; By screw, battery unit is fixed on stud set by described casing correspondence.
Further, support frame as described above is frame structure, is provided with several screw and passes with through hole, be made by engineering thermoplastic's plastic cement.
Further again, described flexible upper cover is the flexible square structure of middle part protuberance, and four limits are provided with hold-down screw and pass with through hole, are made by oil resistant elastic plastic material.
Further again, described baffle has overcharge, overdischarge, overcurrent, excess temperature, short circuit, real time capacity estimation and communication function; Also be provided with PTC resettable fuse in the protection circuit, when overcurrent appears in power brick, provide second class protection.
Further again, four interface screws of described casing to be embedded in casing by watertight interface nut by Shooting Technique to be made; Described watertight interface nut interior is provided with screw thread, and upper and lower end face contour structures is hexagon, is cylinder between both ends of the surface; Several grooves are provided with at described periphery.
A more step, described pressing plate is frame structure, and four limits are provided with hold-down screw and pass with through hole, are made by metal material.
Advantage of the present invention is:
1) payload is large, energy density is high, long voyage, can under any ocean depth, with arbitrary angle work;
2) there is high security and reliability, occupation mode feature flexibly, both can independently use, use of also can connecting;
3) can be mass-produced, cost is low.
Accompanying drawing explanation
Fig. 1 is power brick contour structures schematic diagram;
Fig. 2 is power brick vertical section structure view;
Fig. 3 is the internal structure schematic diagram (after removing flexible upper cover and pressing plate) of power brick;
Fig. 4 is box shape structural representation;
Fig. 5 is the right planar view of Fig. 4;
Fig. 6 is casing vertical section structure schematic diagram;
Fig. 7 is bracing frame contour structures schematic diagram;
Fig. 8 is flexible upper cover contour structures schematic diagram;
Fig. 9 is battery unit structure schematic diagram (after removing bracing frame);
Figure 10 is pressing plate contour structures schematic diagram;
Figure 11 is watertight interface nut configuration schematic diagram;
Figure 12 is baffle contour structures schematic diagram.
Diagram: 1-casing, the flexible upper cover of 2-, 3-pressing plate, 4-battery unit, 5-polymer monomer lithium battery, 6-PCB keyset, 7-bracing frame, 8-baffle, 9-break valve, 10-watertight interface nut, 11-silicone oil.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
1 ﹒ as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, power brick: be made up of casing 1, lithium cells 4 and the baffle 8 of being located at casing 1 inside, flexible upper cover 2 and the pressing plate 3 of being located at casing 1 top, the break valve 9 of being located at casing 1 bottom; Described flexible upper cover 2 and pressing plate 3, be fixed on flange 105 set by casing 1 by screw and nut, makes inner formation closed structure; When it is desired to be used, power positive cathode being exported underwater electrical connector and communication port underwater electrical connector is assembled on the corresponding set interface screw 110,111,112,113 of casing 1, open break valve 9, inject in casing 1 with pump by silicone oil 11, the silicone oil amount of injection calculates by compression ratio 7% ~ 10%.After silicone oil 11 adds and fills, close break valve 9.When the dive of submerge device, casing 1 starts to be subject to hydraulic pressure, because flexible upper cover 2 is very easily out of shape, after being subject to hydraulic pressure, flexible upper cover rate 2 caves inward automatically prior to rigid box 1, and the silicone oil 11 that casing 1 inside is filled in advance is produced interior pressure by compressing, because silicone oil 11 modulus of compressibility is larger, less volume compression moment just can produce huge interior pressure, makes casing 1 external and internal pressure reach dynamic equilibrium, avoids casing 1 intake by crushing and cause power brick not power; And be in the inner lithium cells 4 of casing 1 and baffle 8; owing to being immersed among silicone oil 11; according to fluid mechanics pascal's principle; appoint in inactive liquid and the change of some pressure equivalence can be passed to each point; therefore make a concerted effort suffered by each point of lithium cells 4 and baffle 8 to be zero; therefore, distortion can not be produced.According to the transferability principle of power, as long as lithium cells 4 and baffle 8 inside do not have space, would not be damaged by pressure.When submerge device is again toward dive, hydraulic pressure increases with the depth of water and increases, so balance is just now broken, flexible upper cover 2 continues to cave inward and carries out pressure compensation, thus, forms a new dynamic equilibrium; When submerge device floats, interior pressure progressively discharges, and finally, flexible upper cover 2 is returned to atmospheric pressure state again.
2 ﹒ are as shown in Figure 3: described lithium cells 4 and baffle 8 are screwed on the stud 102 set by casing 1 correspondence; Baffle 8 is connected by wire completing circuit with lithium cells 4.
As shown in Figure 4, the top of described casing 1 is hatch frame to 3 ﹒, and end face is provided with flange 105, is provided with several through hole 103 in flange 105, is thereunder provided with several reinforcements 109; The base 107 of described casing 1 is provided with four hold-down screw through holes 106 and several reinforcements 108; The inside of described casing 1 is provided with lithium cells 4 settlement 101 and baffle 8 settlement 104; Described casing 1 inside is provided with multiple in the stud 102 by fixing lithium cells 4 and baffle 8; Described stud 102 can adopt tapping screw to lock and the mode of metallic insert nuts locking in hole designs, and the present embodiment preferred version adopts the mode of metallic insert nuts locking to design, for convenience detach.Casing 1 position below described baffle 8 settlement, is provided with four interface screws 110,111,112,113.
4 ﹒ as shown in Figure 5, Figure 6, Fig. 5 is the right planar view of Fig. 4, and interface screw puts in order and is followed successively by break valve mounting interface 110, positive source output underwater electrical connector mounting interface 111, communication port underwater electrical connector mounting interface 112 and power cathode output underwater electrical connector mounting interface 113 from left to right; Four interface screws of described casing 1 to be embedded in casing 1 by watertight interface nut 10 by Shooting Technique to be made; Described casing 1 is made by engineering thermoplastic's plastic cement, and described engineering thermoplastic's plastic cement is POM or PA66+GF15%.
As shown in Figure 7, support frame as described above 7 is frame structure to 5 ﹒, is provided with several screw and passes with through hole 701, be made by engineering thermoplastic's plastic cement; Described engineering thermoplastic's plastic cement is POM or PA66+GF15%; Support frame as described above 7 is mainly used in the mechanical strength that reinforcement power brick works under high inclination-angle condition.
6 ﹒ as shown in Figure 8, described flexible upper cover 2 is the flexible square structure of middle part protuberance 201, four limits are provided with hold-down screw and pass with through hole 202, and be made by oil resistant elastic plastic material, described oil resistant elastic plastic material has: silicon rubber, rubber and polyurethane are available; The present embodiment preferred material is silicon rubber.
As shown in Figure 9, the PCB keyset 6 of described lithium cells 4 is located at the top of polymer unit cells 5 to 7 ﹒; Described PCB keyset 6 is provided with punched out and the pad 601 of polymer unit cells 5 lug 501, by scolding tin mode, the lug 501 of polymer unit cells 5 being welded on correspondence establishes on pad 601, the connection in series-parallel realizing battery unit 4 connects, and can form the power brick of DC72V, DC48V, DC36V, DC24V electric pressure; The present embodiment preferred version is DC24V power brick, and the polymer monomer lithium battery 5 produced by 7 tertiary cathode materials is composed in series, and described polymer monomer lithium battery 5 is made by resistance to compression technology.
As shown in Figure 10, described pressing plate 3 is frame structure to 8 ﹒, and four limits are provided with hold-down screw and pass with through hole 301, and be made by metal material, preferred metal materials is titanium alloy material.
As shown in figure 11, described watertight interface nut 10 inside is provided with screw thread 1002 to 9 ﹒, and upper and lower end face contour structures is hexagon 1001, is cylinder between both ends of the surface; Several grooves 1003 are provided with at described periphery; Be made by metal material, preferred metal materials is titanium alloy material.
As shown in figure 12, described baffle 8 is printed circuit board (PCB) to 10 ﹒, selects compression resistance type electronic devices and components, adopts paster technique to be made; Baffle 8 is provided with hold-down screw pass through hole 801 be connected with circuit port needed for pad 802; Baffle has overcharge, overdischarge, overcurrent, excess temperature, short circuit, real time capacity estimation and communication function; Also be provided with PTC resettable fuse in the protection circuit, when overcurrent appears in power brick, can second class protection be provided; The power supply input and output of described baffle 8 are same port; Positive source exports the wire of underwater electrical connector and communication port underwater electrical connector, and adopt welding manner to be connected on baffle 8, realizing circuit connects.
Although shown the present invention in above-described embodiment and be described; but those skilled in the art should be appreciated that; under the prerequisite not departing from general plotting of the present invention, the amendment make the present invention and remodeling, all should belong within scope.
Claims (6)
1. a submerge device withstand voltage new polymers lithium battery bag, is characterized in that, comprising: casing, the lithium cells being located at box house and baffle, the flexible upper cover being located at casing top and pressing plate, be located at the break valve of lower box; Described lithium cells is by polymer monomer lithium battery and be located at the PCB keyset at polymer monomer lithium battery top successively and bracing frame forms; Described polymer monomer lithium battery passes through tab welding on pad set by PCB keyset correspondence, and the connection in series-parallel realizing battery unit connects; Described lithium cells and baffle are screwed on stud set by casing; Described baffle is connected with using wire completing circuit between lithium cells; Described flexible upper cover and pressing plate, be fixed on flange set by described casing by screw and nut, makes inner formation closed structure.
2. submerge device according to claim 1 withstand voltage new polymers lithium battery bag, is characterized in that: the top of described casing is hatch frame, and end face is provided with flange, is provided with several through hole in flange, is provided with several reinforcements below flange; The base of described casing is provided with four hold-down screws and passes with through hole and several reinforcements; The inside of described casing is provided with lithium cells settlement and baffle settlement; Casing position below described baffle settlement, is provided with four interface screws, exports underwater electrical connector, communication port underwater electrical connector and break valve for installing power positive cathode; Described box house is also provided with multiple in the stud by fixing lithium cells and baffle.
3. submerge device according to claim 1 withstand voltage new polymers lithium battery bag, is characterized in that: described flexible upper cover is the flexible square structure of middle part protuberance, and four limits are provided with hold-down screw and pass with through hole, are made by oil resistant elastic plastic material.
4. submerge device according to claim 1 withstand voltage new polymers lithium battery bag, is characterized in that: described baffle has overcharge, overdischarge, overcurrent, excess temperature, short circuit, real time capacity estimation and communication function.
5. submerge device according to claim 2 withstand voltage new polymers lithium battery bag, is characterized in that: four interface screws of described casing to be embedded in casing by watertight interface nut by Shooting Technique to be made; Described watertight interface nut interior is provided with screw thread, and upper and lower end face contour structures is hexagon, is cylinder between both ends of the surface; Several grooves are provided with at described periphery.
6. submerge device according to claim 1 withstand voltage new polymers lithium battery bag, is characterized in that: described pressing plate is frame structure, and four limits are provided with hold-down screw and pass with through hole, are made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014240.1A CN104538570B (en) | 2015-01-12 | 2015-01-12 | Submariner device is pressure poly-lithium battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014240.1A CN104538570B (en) | 2015-01-12 | 2015-01-12 | Submariner device is pressure poly-lithium battery bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104538570A true CN104538570A (en) | 2015-04-22 |
| CN104538570B CN104538570B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014240.1A Active CN104538570B (en) | 2015-01-12 | 2015-01-12 | Submariner device is pressure poly-lithium battery bag |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682188A (en) * | 2012-08-31 | 2014-03-26 | 微宏动力系统（湖州）有限公司 | Flame-retardant explosion-proof battery pack |
| CN105244460A (en) * | 2015-09-16 | 2016-01-13 | 浙江超威创元实业有限公司 | Power battery module, assembling method and electric vehicle |
| CN107346813A (en) * | 2017-08-24 | 2017-11-14 | 乔丰科技实业（深圳）有限公司 | A kind of plastic structure and its processing method for being used to install battery |
| WO2018121285A1 (en) * | 2016-12-27 | 2018-07-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN108808032A (en) * | 2018-06-22 | 2018-11-13 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep-sea blade inserting lithium battery power supply unit and system |
| CN108963136A (en) * | 2018-07-19 | 2018-12-07 | 芜湖籁余新能源科技有限公司 | A kind of underwater vehicle lithium battery pack protecting device |
| CN110165724A (en) * | 2019-04-25 | 2019-08-23 | 深圳市明唐通信有限公司 | A kind of batteries monitoring system and method |
| WO2021018045A1 (en) * | 2019-07-26 | 2021-02-04 | 自然资源部第一海洋研究所 | Deep-sea low-temperature inverse-control-type ocean observation battery compartment and deep-sea ocean observation battery compartment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682188A (en) * | 2012-08-31 | 2014-03-26 | 微宏动力系统（湖州）有限公司 | Flame-retardant explosion-proof battery pack |
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| CN107346813A (en) * | 2017-08-24 | 2017-11-14 | 乔丰科技实业（深圳）有限公司 | A kind of plastic structure and its processing method for being used to install battery |
| CN108808032A (en) * | 2018-06-22 | 2018-11-13 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep-sea blade inserting lithium battery power supply unit and system |
| CN108963136A (en) * | 2018-07-19 | 2018-12-07 | 芜湖籁余新能源科技有限公司 | A kind of underwater vehicle lithium battery pack protecting device |
| CN110165724A (en) * | 2019-04-25 | 2019-08-23 | 深圳市明唐通信有限公司 | A kind of batteries monitoring system and method |
| WO2021018045A1 (en) * | 2019-07-26 | 2021-02-04 | 自然资源部第一海洋研究所 | Deep-sea low-temperature inverse-control-type ocean observation battery compartment and deep-sea ocean observation battery compartment |
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| Publication number | Publication date |
|---|---|
| CN104538570B (en) | 2016-09-28 |
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