CN201191628Y - Over-temperature protection construction for battery charging - Google Patents
Over-temperature protection construction for battery charging Download PDFInfo
- Publication number
- CN201191628Y CN201191628Y CNU2008200068748U CN200820006874U CN201191628Y CN 201191628 Y CN201191628 Y CN 201191628Y CN U2008200068748 U CNU2008200068748 U CN U2008200068748U CN 200820006874 U CN200820006874 U CN 200820006874U CN 201191628 Y CN201191628 Y CN 201191628Y
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- China
- Prior art keywords
- circuit board
- printed circuit
- pcb
- protection structure
- temperature
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- 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.)
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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
Abstract
The utility model discloses an over temperature protecting structure when a battery is charging, which comprises a printed circuit board, an electrode junction, a sensor main body and a charging battery main body. The utility model is characterized in that the printed circuit board is connected with a charging control module, the electrode joint is arranged on the printed circuit board, and is connected with the charging control module through a wire on the printed circuit board, the sensor main body is arranged on the printed circuit board and is connected with the charging control module through the wire on the printed circuit board, a temperature detecting element is extend out from the sensor main body, and the charging battery main body is arranged on the printed circuit board and is connected with the electrode junction, and contacts with the temperature detecting element.
Description
Technical field
The utility model relates to a kind of protective device, relates in particular to a kind of battery charge over-temperature protection structure.
Background technology
For making charging circuit firm reliable, the heat management protection mechanism is just extremely important, the system power supply bus input voltage overlong time of charger, and temperature will surpass the maximum interface temperature that is allowed and cause cause thermal damage.For fear of this problem, this class design must be adopted strong reliable heat management mechanisms, comprises overtemperature shutdown and thermal conditioning.Generally speaking, all integrated charging assemblies all must built-in overtemperature shutdown function, will trigger the overtemperature shutdown function as long as the internal interface temperature surpasses maximum interface temperature, guarantees that operating process can be because of not overheated and cause damage.Avoid overheated charged state to cause the damage of battery, the phenomenon that the group circuit board all burns is put in order in serious also can causing.Known way all is that this overheat protector mechanism is arranged at the rechargeable battery body interior, when the temperature when rechargeable battery charges is too high, just can produce the signal of outage automatically, the measure that the notice back segment cuts off the power supply.
Therefore, modern portable set just must comprise defencive function so that the probability that causes terminal equipment to damage voltage overload reduces to minimum if provide charge function by aforesaid various power supply adaptors.Yet manufacturer is usually for the competition of beating the price down; often this class overheat protector mechanism is omitted and reject, be not arranged on the rechargeable battery body interior, cause rechargeable battery when charging, to explode easily; even burn phenomenon, thereby lie dormant very large danger in use.
Therefore known overheat protector mechanism device exists above-mentioned all inconvenience and serious problems.
Summary of the invention
Main purpose of the present utility model is to provide a kind of above-mentioned defective that can overcome, and prevents that the rechargeable battery temperature from raising, reaching the battery charge over-temperature protection structure of safe charging.
Another purpose of the present utility model is the battery charge over-temperature protection structure that the too high outage of a kind of temperature, prolongation rechargeable battery life-span is provided, prevents heat injury.
The technical scheme that realizes the utility model purpose is: a kind of battery charge over-temperature protection structure, comprise a printed circuit board (PCB), and an electrode contact, a sensor body and a rechargeable battery body is characterized in that:
Described printed circuit board (PCB) connects a charge control module;
Described electrode contact is arranged on the described printed circuit board (PCB), and is connected with described charge control module by the lead on the described printed circuit board (PCB);
Described sensor body is arranged on the described printed circuit board (PCB), and is connected with described charge control module by the described lead on the described printed circuit board (PCB), and extends a temperature detection device on described sensor body; And
Described rechargeable battery body is arranged on the described printed circuit board (PCB), is connected with described electrode contact, and contacts with described temperature detection device.
Battery charge over-temperature protection structure of the present utility model can also be further achieved by the following technical measures.
Aforesaid battery charge over-temperature protection structure, wherein said sensor body also include a hardware logic determination component.
Aforesaid battery charge over-temperature protection structure, wherein said temperature detection device are metal clipss, and directly contact with described rechargeable battery body.
Aforesaid battery charge over-temperature protection structure, wherein said temperature detection device are sensitive resistances, and directly contact with described rechargeable battery body.
Aforesaid battery charge over-temperature protection structure, wherein said temperature detection device are the described leads of circuit trace on the described printed circuit board (PCB), and directly contact with described rechargeable battery body.
Aforesaid battery charge over-temperature protection structure, the described charge control module on the wherein said printed circuit board (PCB) can an external supply unit.
Aforesaid battery charge over-temperature protection structure, wherein said printed circuit board (PCB) can be used in the electronic product of general hand-hold type.
Aforesaid battery charge over-temperature protection structure, the electronic product of wherein said hand-hold type are hand held satellite navigations.
Aforesaid battery charge over-temperature protection structure, the electronic product of wherein said hand-hold type are mobile phones.
Aforesaid battery charge over-temperature protection structure, the electronic product of wherein said hand-hold type are a portable media player or a radio receiver-transmitter.
After adopting technique scheme, battery charge over-temperature protection structure of the present utility model has the following advantages:
1. stable operation, firm reliable.
2. prolong the useful life of rechargeable battery, and the boost charge fail safe, guarantee not meet accident.
Description of drawings
Fig. 1 is the utility model battery charge over-temperature protection structure schematic diagram.
Fig. 2 is that the utility model battery charge over-temperature protection structure is implemented illustration.
Fig. 3 is another enforcement illustration of the utility model battery charge over-temperature protection structure.
Fig. 4 is the utility model battery charge over-temperature protection structure schematic flow sheet.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is illustrated further.
At first see also Fig. 1; Fig. 1 is a battery charge over-temperature protection structure schematic diagram of the present utility model; as shown in the figure; the utility model is on the battery that general former factory provides; it is the temperature protective device of rechargeable battery body 10; be built in all being on the temperature sensing component 101 of original rechargeable battery body 10; on machine, also have second group of temperature detection device 12; after described rechargeable battery body 10 contacts; be connected with a hardware logic determination component 14 again; and temperature detection device 12 is collectively referred to as a sensor body 16 with hardware logic determination component 14; by a charge control module 20 and described sensor body 16; rechargeable battery body 10 connects respectively; when sensor body 16 temperature inside sniffers 12 detect the too high charging temperature of rechargeable battery body 10; just the action that can notify charge control module 20 to cut off the power supply; to prevent dangerous the generation; or detect too high charging temperature via temperature sensing component 101; the action that can notify charge control module 20 to cut off the power supply too; this dual temperature is surveyed the charge protection control mode; it is a kind of new duplicate protection effect; and sensor body 16 can be separated with rechargeable battery body 10; directly be arranged on the machine module; even because rechargeable battery manufacturer uses inferior materials and turns out substandard goods;, still can not learn whether the temperature of rechargeable battery body 10 is too high on the machine module by sensor body 16 at rechargeable battery body 10 inner installing temperature probe assemblies 101.
See also Fig. 2 again, Fig. 2 implements illustration for the utility model battery charge over-temperature protection structure, and described printed circuit board (PCB) 30 is connected with a charge control module 20; One electrode contact 301 is arranged on the printed circuit board (PCB) 30, and the lead 302 by on the described printed circuit board (PCB) 30 is connected with charge control module 20; One sensor body 16, be arranged on the printed circuit board (PCB) 30, and by the lead 302 on the printed circuit board (PCB) 30, be connected with charge control module 20, and extend a temperature detection device 12 on sensor body 16, it is to be a metal clips, can contact applying with a rechargeable battery body 10, and with result of detection by described sensor body 16 internal judgment after, signal is transferred to the charge control module 20 at rear.Be positioned at sensor body 16 inside simultaneously and have a hardware logic determination component 14 and be connected, can judge whether the temperature of rechargeable battery body 10 is too high with described temperature detection device 12.Electrode contact 301 then connection rechargeable battery body 10 charges; and contact with temperature detection device 12; when the temperature of charging is too high; can detect by temperature detection device 12 immediately; and notice charge control module 20 stops charging; be used to the rechargeable battery body 10 of protecting temperature too high; for rechargeable battery body 10; very important of battery temperature during battery charge management; if the temperature of battery can raise when overcharging continuously; hardware logic determination component 14 can be surveyed abnormal temperatures and also notify charge control module 20 to cut off the electricity supply, and described charge control module 20 can an external supply unit, and described rechargeable battery body 10 is charged.
See also Fig. 3 again, Fig. 3 is another enforcement illustration of the utility model battery charge over-temperature protection structure, and as shown in the figure, a printed circuit board (PCB) 30 is connected with a charge control module 20 on printed circuit board (PCB) 30; One electrode contact 301 is arranged on the printed circuit board (PCB) 30, and the lead 302 by on the described printed circuit board (PCB) 30 is connected with charge control module 20; One sensor body 16, be arranged on the printed circuit board (PCB) 30, and by the lead 302 on the printed circuit board (PCB) 30, be connected with charge control module 20, and on sensor body 16, extend a temperature detection device 12, it is for connecting the lead 302 of a printed circuit board (PCB), for example: sensitive resistance, sensible heat materials such as plain conductor, directly contact with described rechargeable battery body 10, and after result of detection judged by described sensor body 16, signal is transferred to the charge control module 20 at rear, can judge whether the temperature of rechargeable battery body 10 is too high.Electrode contact 301 then connection rechargeable battery body 10 charges, and contact with temperature detection device 12, when the temperature of charging is too high, can detect by temperature detection device 12 immediately, and notice charge control module 20 stops charging, printed circuit board (PCB) 30 can be used in the electronic product of general hand-hold type, for example: hand held satellite navigation, mobile phone, portable media player or radio receiver-transmitter.
Please consult Fig. 4 more simultaneously, Fig. 4 is the utility model battery charge over-temperature protection structure schematic flow sheet, as shown in the figure, for rechargeable battery body 10, very important of battery temperature during battery charge management, if the temperature of battery can raise when overcharging continuously, temperature sensing circuit can be surveyed abnormal temperature and cut off the electricity supply, begin to charge after 40, monitoring cell 401 judges whether to be former factory battery 402, in this way: then start-up temperature surveys 403, start rechargeable battery body 10 internal temperature protection mechanisms and built-in temperature detection device 12, as the non-original factory battery, then simple start built-in temperature detection device 12 after; Charge 404.By temperature detection device 12, survey the temperature 405 of charging process, when taking place, the too high phenomenon of charging temperature just notify charge control module 20 to cut off the power supply, when reducing, waiting temperature proceeds the action of charging again, keep normality as temperature, then continue charging.Judge whether to arrive full charging and press accurate position 406, in this way, then stop to charge 407, and then complete charge 408 processes.So can prolong the useful life of rechargeable battery body, and the fail safe can boost charge the time, guarantee that battery can not cause unexpected the generation because of too high charging temperature.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique under the situation that does not break away from spirit and scope of the present utility model, can also be made various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (10)
1. a battery charge over-temperature protection structure comprises a printed circuit board (PCB), an electrode contact, and a sensor body and a rechargeable battery body is characterized in that:
Described printed circuit board (PCB) connects a charge control module;
Described electrode contact is arranged on the described printed circuit board (PCB), and is connected with described charge control module by the lead on the described printed circuit board (PCB);
Described sensor body is arranged on the described printed circuit board (PCB), and is connected with described charge control module by the described lead on the described printed circuit board (PCB), and extends a temperature detection device on described sensor body; And
Described rechargeable battery body is arranged on the described printed circuit board (PCB), is connected with described electrode contact, and contacts with described temperature detection device.
2. battery charge over-temperature protection structure as claimed in claim 1 is characterized in that: described sensor body also includes a hardware logic determination component.
3. battery charge over-temperature protection structure as claimed in claim 1 is characterized in that: described temperature detection device is a metal clips, and directly contacts with described rechargeable battery body.
4. battery charge over-temperature protection structure as claimed in claim 1 is characterized in that: described temperature detection device is a sensitive resistance, and directly contacts with described rechargeable battery body.
5. battery charge over-temperature protection structure as claimed in claim 1 is characterized in that: described temperature detection device is the described lead of circuit trace on the described printed circuit board (PCB), and directly contacts with described rechargeable battery body.
6. battery charge over-temperature protection structure as claimed in claim 1 is characterized in that: the described charge control module on the described printed circuit board (PCB) can an external supply unit.
7. battery charge over-temperature protection structure as claimed in claim 1 is characterized in that: described printed circuit board (PCB) can be used in the electronic product of general hand-hold type.
8. battery charge over-temperature protection structure as claimed in claim 7 is characterized in that: the electronic product of described hand-hold type is a hand held satellite navigation.
9. battery charge over-temperature protection structure as claimed in claim 7 is characterized in that: the electronic product of described hand-hold type is a mobile phone.
10. battery charge over-temperature protection structure as claimed in claim 7 is characterized in that: the electronic product of described hand-hold type is a portable media player or a radio receiver-transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200068748U CN201191628Y (en) | 2008-03-05 | 2008-03-05 | Over-temperature protection construction for battery charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200068748U CN201191628Y (en) | 2008-03-05 | 2008-03-05 | Over-temperature protection construction for battery charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191628Y true CN201191628Y (en) | 2009-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200068748U Expired - Fee Related CN201191628Y (en) | 2008-03-05 | 2008-03-05 | Over-temperature protection construction for battery charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191628Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625958A (en) * | 2009-07-07 | 2012-08-01 | 锂电池科技有限公司 | Secondary battery with a rapid charging capability |
-
2008
- 2008-03-05 CN CNU2008200068748U patent/CN201191628Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625958A (en) * | 2009-07-07 | 2012-08-01 | 锂电池科技有限公司 | Secondary battery with a rapid charging capability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20100305 |