CN210778882U - Lithium ion power battery for mobile device - Google Patents
Lithium ion power battery for mobile device Download PDFInfo
- Publication number
- CN210778882U CN210778882U CN201920939156.4U CN201920939156U CN210778882U CN 210778882 U CN210778882 U CN 210778882U CN 201920939156 U CN201920939156 U CN 201920939156U CN 210778882 U CN210778882 U CN 210778882U
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- detection mechanism
- conductive sheet
- battery
- conducting strip
- battery cell
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 115
- 238000001514 detection method Methods 0.000 claims abstract description 81
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052744 lithium Inorganic materials 0.000 abstract description 11
- 238000004880 explosion Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a lithium ion power battery for mobile device, including electric core, end cover, outer contact point, first poling, second poling, assembly groove, electrically conductive mechanism, fixing base, first conducting strip, second conducting strip, third conducting strip, fourth conducting strip, go up detection mechanism, box body, preforming, lead electrical pillar, spring, fifth conducting strip, guard shield, lower detection mechanism, inflation clearance, adjustment mechanism, horizontal pole and dead lever. This lithium ion power battery for mobile device can break off the lithium cell circuit immediately when the swell surpasses the early warning value, and the lithium cell can't continue to charge and discharge, avoids electric core to continue the swell, prevents the battery explosion to still can force the warning user to change the battery, stopped user's luck psychology.
Description
Technical Field
The utility model relates to a lithium ion power battery for mobile device belongs to lithium cell production technical field.
Background
The mobile device is generally a lithium ion battery; the lithium ion battery consists of an anode, a cathode, a diaphragm and electrolyte, wherein the anode and the cathode are soaked in the electrolyte, and lithium ions move between the anode and the cathode by taking the electrolyte as a medium to realize the charge and discharge of the battery; in order to avoid the short circuit of the anode and the cathode through the electrolyte, the anode and the cathode need to be separated by a diaphragm;
the phenomenon of swelling often can appear in use in the mobile device lithium cell, and the swelling mainly leads to by lithium cell overcharge and overdischarge, and the lithium cell swelling can lead to equipment explosion to a certain extent, even the present lithium cell appears the swelling, still can continue to use a period of time, and this makes the user can't in time discover the problem and change the battery, finally leads to the emergence of explosion accident to some users have a chance and happiness psychology in addition, continue to use the swelling battery, lack safe consciousness.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lithium ion power battery for mobile device to the not enough of prior art existence, concrete technical scheme as follows:
a lithium ion power battery for mobile equipment comprises an electric core, wherein one end of the electric core is connected with an end cover, and an external contact point is arranged inside the end cover; the end face of the battery cell is provided with a conductive mechanism, the conductive mechanism comprises a first conductive sheet, a second conductive sheet, a third conductive sheet and a fourth conductive sheet, the first conductive sheet is electrically connected with the battery cell, and the first conductive sheet, the upper detection mechanism, the second conductive sheet, the third conductive sheet, the lower detection mechanism and the fourth conductive sheet are sequentially connected in series; the upper detection mechanism and the lower detection mechanism are symmetrically arranged at the top and the bottom of the battery cell, the upper detection mechanism is used for detecting the upper bulge height of the battery cell, and the lower detection mechanism is used for detecting the lower bulge height of the battery cell.
Preferably, the upper detection mechanism and the lower detection mechanism have the same structure, the upper detection mechanism and the lower detection mechanism are arranged in parallel with the battery cell, and the upper detection mechanism and the lower detection mechanism are normally open push switches.
Preferably, the top and the bottom of the battery core are both provided with a protective cover, and the upper detection mechanism and the lower detection mechanism are both arranged on the inner wall of the protective cover.
Preferably, an expansion gap is left between the shield and the battery core.
Preferably, go up detection mechanism's bottom detection mechanism's top all is equipped with adjustment mechanism down, adjustment mechanism includes horizontal pole and dead lever, the horizontal pole equidistance distribute in the surface of electricity core, each the equal fixed connection in middle part of horizontal pole the dead lever, the dead lever is used for promoting normally open push switch.
Preferably, the conductive mechanism further comprises a fixing seat, the fixing seat is arranged at the end of the battery cell, and the first conductive sheet, the second conductive sheet, the third conductive sheet and the fourth conductive sheet are arranged in the fixing seat in parallel at equal intervals.
The utility model has the advantages that: the bulge state of the battery can be detected in real time through the upper detection mechanism and the lower detection mechanism, when the early warning value is exceeded, a lithium battery circuit can be immediately disconnected, the lithium battery cannot be charged and discharged continuously, the battery core is prevented from bulging continuously, the battery explosion is prevented, in addition, a user can be forcibly reminded of replacing the battery, and the lucky psychology of the user is avoided; the adjusting mechanism can detect the bulge state of each position of the battery cell, so that omnibearing protection is realized; the expansion gap can guarantee that the gap supplies the battery cell to bulge in a smaller range, and the external blocking pressure is too large when the bulge is avoided, so that the inside of the battery cell explodes.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion power battery for mobile equipment according to the present invention;
fig. 2 is a schematic view of the connection structure of the conductive mechanism, the upper detection mechanism and the lower detection mechanism of the present invention;
fig. 3 is a schematic structural view of an upper detection mechanism shown in the present invention;
fig. 4 is a schematic structural view of the adjusting mechanism of the present invention;
fig. 5 is a schematic circuit diagram of a lithium ion power battery for mobile equipment according to the present invention.
Reference numerals: 1. electric core, 2, end cover, 21, external contact, 22, first poling, 23, second poling, 24, assembly groove, 3, electrically conductive mechanism, 31, fixing base, 32, first conducting strip, 33, second conducting strip, 34, third conducting strip, 35, fourth conducting strip, 4, go up detection mechanism, 41, box body, 42, preforming, 43, lead electrical pillar, 44, spring, 45, fifth conducting strip, 5, guard shield, 6, lower detection mechanism, 7, inflation clearance, 8, adjustment mechanism, 81, horizontal pole, 82, dead lever.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A lithium ion power battery for mobile equipment comprises a battery cell 1, wherein one end of the battery cell 1 is connected with an end cover 2, and an external contact point 21 is arranged inside the end cover 2; the end cover 2 is a guard plate of the battery cell 1, and the outer contact point 21 is used for being connected with a contact of mobile equipment;
the end face of the battery cell 1 is provided with a conductive mechanism 3, the conductive mechanism 3 comprises a first conductive sheet 32, a second conductive sheet 33, a third conductive sheet 34 and a fourth conductive sheet 35, the first conductive sheet 32 is electrically connected with the battery cell 1, and the first conductive sheet 32, the upper detection mechanism 4, the second conductive sheet 33, the lower detection mechanism 6, the third conductive sheet 34 and the fourth conductive sheet 35 are sequentially connected in series; the first conducting strip 32, the upper detection mechanism 4, the second conducting strip 33, the third conducting strip 34, the lower detection mechanism 6 and the fourth conducting strip 35 form a series power supply circuit together;
the upper detection mechanism 4 and the lower detection mechanism 6 are symmetrically installed at the top and the bottom of the battery cell 1, the upper detection mechanism 4 is used for detecting the height of an upper bulge of the battery cell 1, the lower detection mechanism 6 is used for detecting the height of a lower bulge of the battery cell 1, and the upper detection mechanism 4 and the lower detection mechanism 6 are used for disconnecting a circuit when the height of the bulge exceeds an early warning value.
As an improvement of the above technical solution, the upper detection mechanism 4 and the lower detection mechanism 6 have the same structure, the upper detection mechanism 4 and the lower detection mechanism 6 are both arranged in parallel with the battery cell 1, and the upper detection mechanism 4 and the lower detection mechanism 6 are both normally open push switches; normally open press switch when 1 normal condition of electric core and swell are lower, the battery still can normally charge and discharge, when the inflation height exceeded the early warning value, normally opened press switch can be pushed down for detection mechanism opens circuit, and then makes the series connection of electric core supply circuit open circuit.
As an improvement of the above technical solution, the top and the bottom of the battery cell 1 are both provided with a protective cover 5, and the upper detection mechanism 4 and the lower detection mechanism 6 are both mounted on the inner wall of the protective cover 5; the protective cover 5 can protect the electric core 1 from being damaged, and the protective cover 5 can also be used as an installation platform for the upper detection mechanism 4 and the lower detection mechanism 6.
As an improvement of the above technical solution, an expansion gap 7 is left between the shield 5 and the battery cell 1; the expansion gap 7 can ensure that the battery cell bulges in a smaller range, and the external blocking pressure is too large when the bulge is avoided, so that the internal explosion of the battery cell is caused.
As an improvement of the above technical solution, the bottom of the upper detection mechanism 4 and the top of the lower detection mechanism 6 are both provided with an adjusting mechanism 8, the adjusting mechanism 8 includes cross rods 81 and fixing rods 82, the cross rods 81 are equidistantly distributed on the surface of the battery cell 1, the middle of each cross rod 81 is fixedly connected with the fixing rod 82, and the fixing rod 82 is used for pushing a normally-open push switch; the detection surface of detection mechanism can be increased to the horizontal pole 81 that the equidistance distributes for no matter which regional swell of electricity core all can promote horizontal pole 81 motion, and then makes dead lever 82 promote to normally open push switch and close, realizes opening circuit.
As an improvement of the above technical solution, the conductive mechanism 3 further includes a fixing seat 31, the fixing seat 31 is disposed at an end of the battery cell 1, and the first conductive sheet 32, the second conductive sheet 33, the third conductive sheet 34, and the fourth conductive sheet 35 are equidistantly installed inside the fixing seat 31 in parallel; the fixing base 31 is used to stably place each conducting strip without mutual interference.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a lithium ion power battery for mobile equipment according to the present invention;
the left end of the battery core 1 is connected with an end cover 2, the middle part of the inner wall of the end cover 2 is provided with an assembly groove 24, the top of the assembly groove 24 is provided with a first through groove 22, the bottom of the assembly groove 24 is provided with a second through groove 23, the through grooves are used for a lead to penetrate through, the middle part of the end cover 2 is provided with an outer contact point 21, and the outer contact point 21 is electrically connected with the mobile equipment and the conductive mechanism 3;
the conductive mechanism 3 is arranged at the end part of the battery core 1, the conductive mechanism 3 is embedded in the assembling groove 24, and the assembling groove 24 is used for enabling the conductive mechanism 3 to be stably assembled;
the top of the conductive mechanism 3 is connected to the upper detection mechanism 4 through a lead, and the bottom of the conductive mechanism 3 is connected to the lower detection mechanism 6 through a lead;
the top and the bottom of the electric core 1 are both provided with a protective cover 5, and an expansion gap 7 for the electric core to expand by a certain height is reserved between the protective cover 5 and the electric core 1;
the bottom of the upper detection mechanism 4 is provided with an adjusting mechanism 8, and the top of the lower detection mechanism 6 is provided with an adjusting mechanism 8.
As shown in fig. 2, fig. 2 is a schematic view of a connection structure of the conductive mechanism, the upper detection mechanism and the lower detection mechanism of the present invention;
the two adjusting mechanisms 8 positioned at the upper part and the lower part are mutually distributed in parallel, and the adjusting mechanisms 8 can extrude and push the detection mechanism connected with the adjusting mechanisms;
the first conducting strip 32, the upper detection mechanism 4, the second conducting strip 33, the third conducting strip 34, the lower detection mechanism 6 and the fourth conducting strip 35 form a series power supply circuit together;
the first conductive sheet 32, the second conductive sheet 33, the third conductive sheet 34 and the fourth conductive sheet 35 are arranged at intervals; the second conductive plate 33 is connected to the upper detecting mechanism 4 by a wire, and the third conductive plate 34 is connected to the lower detecting mechanism 6 by a wire.
As shown in fig. 3, fig. 3 is a schematic structural view of an upper detection mechanism of the present invention;
the detection mechanism is a normally open push switch, and the normally open push switch comprises a box body 41, a pressing sheet 42, a conductive column 43, a spring 44 and a fifth conductive sheet 45; in a normal state, the current of the battery cell 1 is transmitted to the fifth conducting strip 45 through the conducting column 43, and then is transmitted to the second conducting strip 33; when the pressing plate 42 is pressed, the pressing plate 42 moves towards the inside of the box body 41, so that the spring 44 is compressed, and when the bulge degree of the battery cell 1 is within the early warning value, the conductive column 43 still contacts with the fifth conductive sheet 45 in the inward sliding process, so that normal charging and discharging of the battery cell 1 are ensured; when exceeding the early warning value, lead electrical pillar 43 and the separation of fifth conducting strip 45, electric core 1 outage, can't continue to charge and discharge, avoid electric core 1 to continue to bulge, prevent the battery explosion to still can force the warning user to change the battery, stopped user's luck psychology.
As shown in fig. 4, fig. 4 is a schematic structural view of the adjusting mechanism of the present invention;
When the utility model is implemented, the utility model,
when the battery is normally used, the current of the battery core 1 is transmitted to the first conducting strip 32, then transmitted to the third conducting strip 34 through the conducting column 43, the fifth conducting strip 45 and the second conducting strip 33 in sequence, then enters the lower detection mechanism 6, and finally transmitted to the fourth conducting strip 35 and the outer contact point 21;
when the battery is bulged, the battery can bulge upwards, downwards or even simultaneously bulge up and down;
illustratively, the battery bulges upward;
when the battery cell 1 bulges upwards, the cross rod 81 covering the surface of the battery cell 1 can be pushed upwards at any bulge position, the cross rod 81 moves upwards to drive the pressing sheet 42 to slide upwards and compress the spring 44, and when the bulge degree of the battery cell 1 is within an early warning value, the pressing sheet 42 and the conductive post 43 still contact with the fifth conductive sheet 45 in the upwards sliding process, so that normal charging and discharging of the battery cell 1 are ensured; when the height of the bulge exceeds the early warning value, the conductive column 43 is separated from the fifth conductive sheet 45, the electric core 1 is powered off, the current stops at the position, the current at the first conductive sheet 32 does not need to be continuously transmitted to the second conductive sheet 33, the open circuit protection is realized, and the lithium battery cannot be continuously used;
illustratively, the battery bulges downward;
when the battery cell 1 bulges downwards, the cross rod 81 covering the outside can be pushed downwards at any bulge position of the battery cell 1, and the cross rod 81 moves downwards to drive the normally open press switch in the lower detection mechanism 6 to gradually contract and close; when the height of the bulge exceeds the early warning value, the lower detection mechanism 6 is switched off, and the current at the first conducting strip 32 is transmitted to the second conducting strip 33 and the third conducting strip 34 and then stops being transmitted to the fourth conducting strip 35, so that the open-circuit protection is realized, and the lithium battery cannot be used continuously.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a lithium ion power battery for mobile device, includes electric core (1), its characterized in that: one end of the battery cell (1) is connected with an end cover (2), and an external contact point (21) is arranged inside the end cover (2);
the end face of the battery cell (1) is provided with a conductive mechanism (3), the conductive mechanism (3) comprises a first conductive sheet (32), a second conductive sheet (33), a third conductive sheet (34) and a fourth conductive sheet (35), the first conductive sheet (32) is electrically connected with the battery cell (1), and the first conductive sheet (32), the upper detection mechanism (4), the second conductive sheet (33), the third conductive sheet (34), the lower detection mechanism (6) and the fourth conductive sheet (35) are sequentially connected in series;
the battery cell detection device is characterized in that the upper detection mechanism (4) and the lower detection mechanism (6) are symmetrically arranged at the top and the bottom of the battery cell (1), the upper detection mechanism (4) is used for detecting the height of an upper bulge of the battery cell (1), and the lower detection mechanism (6) is used for detecting the height of a lower bulge of the battery cell (1).
2. The lithium-ion power battery for mobile equipment according to claim 1, wherein: the structure of the upper detection mechanism (4) and the structure of the lower detection mechanism (6) are the same, the upper detection mechanism (4) and the lower detection mechanism (6) are arranged in parallel with the battery core (1), and the upper detection mechanism (4) and the lower detection mechanism (6) are normally open push switches.
3. The lithium-ion power battery for mobile equipment according to claim 2, wherein: guard shield (5) are all installed to the top and the bottom of electric core (1), go up detection mechanism (4) detection mechanism (6) all install in the inner wall of guard shield (5) down.
4. The lithium-ion power battery for mobile equipment according to claim 3, wherein: an expansion gap (7) is reserved between the protective cover (5) and the battery cell (1).
5. The lithium-ion power battery for mobile equipment according to claim 4, wherein: go up the bottom of detection mechanism (4) the top of lower detection mechanism (6) all is equipped with adjustment mechanism (8), adjustment mechanism (8) include horizontal pole (81) and dead lever (82), horizontal pole (81) equidistance distribute in the surface of electricity core (1), each the equal fixed connection in middle part of horizontal pole (81) dead lever (82), dead lever (82) are used for promoting normally open press switch.
6. The lithium-ion power battery for mobile equipment according to claim 4 or 5, wherein: conductive machanism (3) still include fixing base (31), fixing base (31) are located the tip of electric core (1), first conducting strip (32), second conducting strip (33), third conducting strip (34) and fourth conducting strip (35) equidistance install in side by side in the inside of fixing base (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939156.4U CN210778882U (en) | 2019-06-21 | 2019-06-21 | Lithium ion power battery for mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939156.4U CN210778882U (en) | 2019-06-21 | 2019-06-21 | Lithium ion power battery for mobile device |
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| Publication Number | Publication Date |
|---|---|
| CN210778882U true CN210778882U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920939156.4U Expired - Fee Related CN210778882U (en) | 2019-06-21 | 2019-06-21 | Lithium ion power battery for mobile device |
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| Country | Link |
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| CN (1) | CN210778882U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740067A (en) * | 2020-07-22 | 2020-10-02 | 东方醒狮(福建)储能科技有限公司 | Lithium ion power battery of high security inflation outage |
| CN113745738A (en) * | 2021-09-08 | 2021-12-03 | 安徽瑞露科技有限公司 | Battery pack assembly structure |
| CN115825779A (en) * | 2023-02-07 | 2023-03-21 | 广东六维万行科技有限公司 | Photovoltaic power generation-based power storage equipment detection device |
-
2019
- 2019-06-21 CN CN201920939156.4U patent/CN210778882U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740067A (en) * | 2020-07-22 | 2020-10-02 | 东方醒狮(福建)储能科技有限公司 | Lithium ion power battery of high security inflation outage |
| CN111740067B (en) * | 2020-07-22 | 2022-06-14 | 东方醒狮(福建)储能科技有限公司 | Lithium ion power battery of high security inflation outage |
| CN113745738A (en) * | 2021-09-08 | 2021-12-03 | 安徽瑞露科技有限公司 | Battery pack assembly structure |
| CN115825779A (en) * | 2023-02-07 | 2023-03-21 | 广东六维万行科技有限公司 | Photovoltaic power generation-based power storage equipment detection device |
| CN115825779B (en) * | 2023-02-07 | 2023-04-28 | 广东六维万行科技有限公司 | Photovoltaic power generation-based power storage equipment detection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |