CN201966280U - Special annular lithium-manganese cell for external tire pressure monitoring system - Google Patents
Special annular lithium-manganese cell for external tire pressure monitoring system Download PDFInfo
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- CN201966280U CN201966280U CN 201120021012 CN201120021012U CN201966280U CN 201966280 U CN201966280 U CN 201966280U CN 201120021012 CN201120021012 CN 201120021012 CN 201120021012 U CN201120021012 U CN 201120021012U CN 201966280 U CN201966280 U CN 201966280U
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- insulation ring
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Abstract
The utility model relates to a special annular lithium-manganese cell for an external tire pressure monitoring system, which comprises a through hole (9) and an annular cell shell (4), wherein an annular anode carbon ring (1) is arranged on the bottom part inside the annular cell shell (4), a cathode lithium sheet (52) is arranged above the annular anode carbon ring (1), a diaphragm (51) is arranged between the cathode lithium sheet (52) and the annular anode carbon ring (1), an insulating plate (2) is arranged above the cathode lithium sheet (52), and a plastic insulating ring (7) is arranged above a cover group (3); the lower end of a cathode post (31) is arranged inside the cathode lithium sheet (52) and sequentially penetrates the insulating plate (2), the plastic insulating ring (7) and a cathode metal ring (6). Due to adoption of the special annular lithium-manganese cell, the weakness that the occupied height is high when the present external tire pressure sensor adopts a cylindrical cell or a button-type cell can be effectively overcome, the centrifugal force can be effectively reduced, the service life of car components can be prolonged, and the driving safety of the car can be improved.
Description
Technical field
The utility model relates to the special-purpose annular lithium-manganese cell of a kind of external tire pressure monitoring system.
Background technology
Be to avoid automobile in motion because the safety problem that abnormality in tire air-pressure causes, people have manufactured and designed the automotive tyre pressure monitoring system to compressing into the row monitoring in the doughnut, and this system is divided into built-in and two kinds of externals at present.From concerning employed original paper performance requirement and application portability, the external tire pressure monitoring system has more advantage.Existing external tire pressure monitoring and sensing device is installed on the valve cock of doughnut, doughnut is when high speed rotating, the transducer that is installed on the valve cock can produce centrifugal force, and the height of transducer is high more, and volume is big more, and the centrifugal force that it produced is just big more, this centrifugal force can influence automobile balance in motion, if do not regulate, it not only can quicken the wearing and tearing of auto parts, also may influence the fail safe of automobile when serious.For reducing this centrifugal force, must reduce the height of tire pressure monitoring and sensing device as much as possible.Because the battery that existing external tyre pressure sensor adopts is cylindrical or button cell, the height of battery has determined the whole height of transducer to a great extent, if battery can not take height and be installed in sensor internal, can effectively reduce centrifugal force.
Existing lithium-manganese cell manufacture craft can only be made battery the solid shape that profile is cylinder or cuboid, can't satisfy this specification requirement of external tire pressure monitoring system, therefore inventing the special-purpose annular lithium-manganese cell of a kind of external tire pressure monitoring system becomes a urgent and important job.
Summary of the invention
The purpose of this utility model is to provide a kind of external tire pressure monitoring system special-purpose annular lithium-manganese cell.
The purpose of this utility model reaches by following measure: the special-purpose annular lithium-manganese cell of external tire pressure monitoring system, it is characterized in that it comprises a band through hole and annular battery shell, an anodal carbon ring of annular is arranged at the bottom in the annular battery shell, negative pole lithium sheet is arranged above the anodal carbon ring of annular, barrier film is arranged between negative pole lithium sheet and annular anodal carbon ring, above negative pole lithium sheet, insulating trip is arranged, there is the group covered to be positioned at the top of insulating trip and seals annular battery case, the plastic insulation ring is arranged above the lid group; There is the lower end of negative terminal to be positioned at negative pole lithium sheet, and passes insulating trip, plastic insulation ring and negative pole becket successively.
In technique scheme, it is characterized in that negative pole metal indenture is arranged on the described negative pole becket, negative terminal is fold-type and is positioned at negative pole metal indenture, and negative pole becket aperture is arranged in the negative pole metal indenture, and the negative pole becket is positioned at the plastic insulation ring.
In technique scheme, plastic insulation ring indenture is arranged on the described plastic insulation ring, plastic insulation ring aperture is arranged in the plastic insulation ring indenture, and described negative pole metal indenture is positioned at plastic insulation ring indenture, described negative pole becket aperture and the corresponding layout of plastic insulation ring aperture.
In technique scheme, negative terminal aperture and insulating trip fluid injection aperture are arranged on the described insulating trip, cover the corresponding layout of group liquid injection hole on the described lid group and seal perforate by the sealing steel ball.
The utlity model has following advantage: 1. designed a kind of process for preparing the special-purpose annular lithium-manganese cell of tire pressure monitoring system, and according to said method produced the special-purpose annular lithium-manganese cell of tire pressure monitoring system.2., effectively to have solved battery that existing external tyre pressure sensor adopts be cylindrical or button cell takies the shortcoming of higher height, effectively reduced centrifugal force.3. prolong the life-span of auto parts, increased running safety.4. every performance of the special-purpose annular lithium-manganese cell of the utility model all is better than national standard, and is safe in utilization, reliable.
Description of drawings
Fig. 1 is the shape assumption diagram of anodal carbon ring in the utility model.
Fig. 2 is the shape assumption diagram of the insulating trip in the utility model.
Fig. 3 is the shape assumption diagram of the battery cover group in the utility model.
Fig. 4 is the shape assumption diagram of the battery case in the utility model.
Fig. 5 is the lithium band in the utility model and the shape assumption diagram of barrier film.
Fig. 6 is the semi-finished product battery shape assumption diagram in the utility model.
Fig. 7 is the plastic insulation spare shape assumption diagram in the utility model.
Fig. 8 is the negative pole becket shape assumption diagram in the utility model.
Fig. 9 is the finished product battery shape assumption diagram in the utility model.
Figure 10 is the finished product battery sectional structure chart in the utility model.
Figure 11 is the curve chart of lithium manganese annular battery constant-current discharge of the present utility model.
Figure 12 is the curve chart of lithium manganese annular battery of the present utility model pulsed discharge.
The trend graph of battery temperature when Figure 13 is a lithium manganese annular battery short-circuit test of the present utility model.
1. annular anodal carbon rings among the figure, 2. insulating trip, 21. negative terminal apertures, 22. insulating trip fluid injection apertures, 3. lid group, 31. negative terminals, 32. lid group liquid injection holes, 4. annular battery shell, 5. die-cut good lithium band and barrier film, 51. barrier films, 52. negative pole lithium sheet, 6. negative pole becket, 61. negative pole metal indentures, 62. negative pole becket aperture, 7. plastic insulation ring, 71 plastic insulation ring indentures, 72. plastic insulation ring aperture, 8. sealing steel ball, 9. through hole.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not constitute to qualification of the present utility model, only do for example.Simultaneously by illustrating that advantage of the present utility model will become clear more and understanding easily.
The special-purpose annular lithium-manganese cell of the utility model tire pressure monitoring system, it comprises a band through hole 9 and annular battery shell 4, an anodal carbon ring 1 of annular is arranged at the bottom in annular battery shell 4, negative pole lithium sheet 52 is arranged above the anodal carbon ring 1 of annular, barrier film 51 is arranged between negative pole lithium sheet 52 and annular anodal carbon ring 1, above negative pole lithium sheet 52, insulating trip 2 is arranged, have group covered 3 to be positioned at the top of insulating trip 2 and seal annular battery case 4, plastic insulation ring 7 is arranged above lid group 3; There is the lower end of negative terminal 31 to be positioned at negative pole lithium sheet 52, and passes insulating trip 2, plastic insulation ring 7 and negative pole becket 6 (as Fig. 9, shown in Figure 10) successively.
Negative pole metal indenture 61 is arranged on the negative pole becket 6, and negative terminal 31 is fold-type and is positioned at negative pole metal indenture 61, and negative pole becket aperture 62 is arranged in the negative pole metal indenture 61, and negative pole becket 6 is positioned at plastic insulation ring 7 (as Fig. 7, shown in Figure 8).
Plastic insulation ring indenture 71 is arranged on the plastic insulation ring 7, plastic insulation ring aperture 72 is arranged in the plastic insulation ring indenture 71, described negative pole metal indenture 61 is positioned at plastic insulation ring indenture 71, described negative pole becket aperture 62 and plastic insulation ring aperture 72 corresponding layouts (as Fig. 7, shown in Figure 8).
Negative terminal aperture 21 and insulating trip fluid injection aperture 22 are arranged on the insulating trip 2, cover group liquid injection hole 32 corresponding layouts on the described lid group 3 and seal perforates (as shown in Figure 6) by sealing steel ball 8.
Battery testing
1, electric performance test
1. constant-current discharge ability: with battery respectively with the electric current constant-current discharge of 1mA and 100 μ A to 2.0V, discharge capacity reaches 121mAh and 109mAh (discharge curve is seen accompanying drawing 11) respectively;
2. pulsed discharge ability: with battery with the 10mA electric current according to the discharge 1s, the mode that leaves standstill 1min is carried out pulsed discharge, when being discharge cut-off voltage with 2.0V, the battery impulse discharge capacity is about 83mAh (discharge curve is seen accompanying drawing 12);
The static working current of general external tire pressure monitoring system is less than 5 μ A, and the momentary pulse operating current is less than 10mA, and from Discharge test, the constant current of battery and pulsed discharge ability all can reach the requirement of system.
2, security performance test
1. high-temperature behavior: 10 batteries numberings are weighed and record data, in 60 ℃ of baking ovens, place 24h again, take out battery and observe and have no abnormally, weigh then, the calculated weight loss late, related data such as following table:
| Numbering | Weight before the baking | Baking back weight | Rate of weight loss | Whether have unusual |
| 1 | 4.3618 | 4.3613 | 0.011％ | Do not have |
| 2 | 4.4563 | 4.4567 | -0.009％ | Do not have |
| 3 | 4.2756 | 4.2751 | 0.012％ | Do not have |
| 4 | 4.3423 | 4.3420 | 0.007％ | Do not have |
| 5 | 4.3278 | 4.3265 | 0.030％ | Do not have |
| 6 | 4.2536 | 4.2537 | -0.002％ | Do not have |
| 7 | 4.3545 | 4.3540 | 0.011％ | Do not have |
| 8 | 4.3756 | 4.3751 | 0.011％ | Do not have |
| 9 | 4.4234 | 4.4227 | 0.016％ | Do not have |
| 10 | 4.2967 | 4.2965 | 0.005％ | Do not have |
The lithium battery mass loss maximum of GB8897.4-2008/IEC60086-4:2007 regulation is as follows:
| The quality m of battery | Mass loss limit (δ m/m)/% |
| m≤1g | 0.5 |
| 1g＜m≤5g | 0.2 |
| m＞5g | 0.1 |
From test result, 60 ℃ of high temperature that battery stands 24h are deposited 0.2% the standard value of back battery weight-loss ratio well below the GB8897.4-2008/IEC60086-4:2007 defined.This battery uses under normal temperature and does not more have problems so.
2. short circuit safety: the battery positive and negative electrode is directly coupled together with the lead of resistance less than 10m Ω, the probe of a Wen Yi is fixed on battery surface, regularly read the battery surface temperature data, drop to temperature (short circuit battery temperature trend graph is seen accompanying drawing 13) until the battery surface temperature, related data such as following table:
GB8897.4-2008/IEC60086-4:2007 regulation lithium battery must be not overheated when short circuit (battery surface temperature＞170 ℃), do not break, do not explode, missing of ignition.
Temperature tendency from short circuit battery, battery short circuit about halfhour the time temperature reach 41 ℃ of peak values, just drop to room temperature subsequently comparatively stably, problems such as exploding, catch fire does not appear in battery, the battery surface maximum temperature is also well below 170 ℃, superheating phenomenon do not occur, show that battery also is safe under the accidental short circuit situation.
3. impact test: battery is placed on the test platform, the weight of a heavily about 9.1kg is fallen on the tested battery from the eminence of 61 ± 2.5cm, battery is not blasted and is not seen on firely yet, and the battery surface maximum temperature is 52 ℃.
Not overheated during GB8897.4-2008/IEC60086-4:2007 regulation lithium battery impact test (battery surface temperature＞170 ℃), do not explode, missing of ignition.
3. test shows that battery the time also can not cause danger at the bump that has an accident.
From test result 1., 2. and 3., the related battery of the utility model can ensure its fail safe in use fully.
Claims (4)
1. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system, it is characterized in that it comprises a band through hole (9) and annular battery shell (4), an anodal carbon ring of annular (1) is arranged at the bottom in annular battery shell (4), in the top of the anodal carbon ring of annular (1) negative pole lithium sheet (52) is arranged, there is barrier film (51) to be positioned between negative pole lithium sheet (52) and the annular anodal carbon ring (1), in the top of negative pole lithium sheet (52) insulating trip (2) is arranged, there is group covered (3) to be positioned at the top of insulating trip (2) and seals annular battery case (4), plastic insulation ring (7) is arranged in the top of lid group (3); There is the lower end of negative terminal (31) to be positioned at negative pole lithium sheet (52), and passes insulating trip (2), plastic insulation ring (7) and negative pole becket (6) successively.
2. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system according to claim 1, it is characterized in that negative pole metal indenture (61) is arranged on the described negative pole becket (6), negative terminal (31) is fold-type and is positioned at negative pole metal indenture (61), negative pole becket aperture (62) is arranged in the negative pole metal indenture (61), and negative pole becket (6) is positioned at plastic insulation ring (7).
3. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system according to claim 1 and 2, it is characterized in that plastic insulation ring indenture (71) is arranged on the described plastic insulation ring (7), plastic insulation ring aperture (72) is arranged in the plastic insulation ring indenture (71), described negative pole metal indenture (61) is positioned at plastic insulation ring indenture (71), described negative pole becket aperture (62) and the corresponding layout of plastic insulation ring aperture (72).
4. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system according to claim 1, it is characterized in that negative terminal aperture (21) and insulating trip fluid injection aperture (22) are arranged on the described insulating trip (2), cover the corresponding layout of group liquid injection hole (32) on the described lid group (3) and seal perforate by sealing steel ball (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120021012 CN201966280U (en) | 2011-01-24 | 2011-01-24 | Special annular lithium-manganese cell for external tire pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120021012 CN201966280U (en) | 2011-01-24 | 2011-01-24 | Special annular lithium-manganese cell for external tire pressure monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966280U true CN201966280U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120021012 Expired - Lifetime CN201966280U (en) | 2011-01-24 | 2011-01-24 | Special annular lithium-manganese cell for external tire pressure monitoring system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122718A (en) * | 2011-01-24 | 2011-07-13 | 武汉昊诚能源科技有限公司 | Annular lithium and manganese battery special for external tire pressure monitoring system, and preparation method thereof |
| WO2019056852A1 (en) * | 2017-09-19 | 2019-03-28 | 深圳市瑞德丰精密制造有限公司 | Insulating ring for battery |
-
2011
- 2011-01-24 CN CN 201120021012 patent/CN201966280U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122718A (en) * | 2011-01-24 | 2011-07-13 | 武汉昊诚能源科技有限公司 | Annular lithium and manganese battery special for external tire pressure monitoring system, and preparation method thereof |
| CN102122718B (en) * | 2011-01-24 | 2013-01-23 | 武汉昊诚能源科技有限公司 | Annular lithium and manganese battery special for external tire pressure monitoring system, and preparation method thereof |
| WO2019056852A1 (en) * | 2017-09-19 | 2019-03-28 | 深圳市瑞德丰精密制造有限公司 | Insulating ring for battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
|
| CX01 | Expiry of patent term |