CN203674771U - Charging self-adaptive current-limiting system - Google Patents
Charging self-adaptive current-limiting system Download PDFInfo
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- CN203674771U CN203674771U CN201420061070.3U CN201420061070U CN203674771U CN 203674771 U CN203674771 U CN 203674771U CN 201420061070 U CN201420061070 U CN 201420061070U CN 203674771 U CN203674771 U CN 203674771U
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- module
- battery management
- capacitor
- current limliting
- management module
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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 a charging self-adaptive current-limiting system, which comprises a charger module, a current-limiting module, a battery management module and a battery pack module, wherein an output end of the charger module is connected with an input end of the current-limiting module, an output end of the current-limiting module is connected with an input end of the battery management module, and an output end of the battery management module is connected to the battery pack module. The charging self-adaptive current-limiting system is characterized in that the current-limiting module and the battery management module are respectively provided with an UART communication terminal, a communication port isolation circuit is arranged between the current-limiting module and the battery management module, an input end of the communication port isolation circuit is connected with the UART communication terminal of the battery management module, and an output end of the communication port isolation circuit is connected with the UART communication terminal of the current-limiting module. By adopting the charging self-adaptive current-limiting system, the damage of high current to the battery can be effectively avoided, and the charging efficiency cannot be reduced due to the additionally arranged current-limiting module.
Description
Technical field
The utility model relates to charging technique field, particularly a kind of charging adaptive throttling system.
Background technology
The charging problem of charging cabinet or charging pile is the focal issue that people pay close attention to always.In real charging process, within the 20-30 second that starts to start charging, very easily produce larger electric current, thereby easily trigger overcurrent protection and automatically cut off, and the pressure reduction that large electric current produces also can form injury to battery, these are all can not be received.Therefore; the impact that may cause battery for fear of the instantaneous large-current of charging cabinet or charging pile output; there is technical staff to propose to add the technical scheme that current limliting module is protected; but; after interpolation, but the Current Limits in charging process is fixed on to a constant current value, this has caused the reduction of charge efficiency on the contrary.
Utility model content
Based on above-mentioned the deficiencies in the prior art, the purpose of this utility model is: propose a kind of charging adaptive throttling system and solved the deficiencies in the prior art.
The utility model solves the technical scheme that its technical problem adopts:
A kind of charging adaptive throttling system, comprise charger module, current limliting module, battery management module and power brick module, the output of described charger module is connected with the input of described current limliting module, the output of described current limliting module is connected with the input of described battery management system, the output of described battery management module is connected to described power brick module, it is characterized in that, in described current limliting module and described battery management module, be respectively equipped with UART communication terminal, and between current limliting module and battery management module, also comprise a communication port buffer circuit, the input of described communication port buffer circuit is connected with the UART communication terminal of described battery management module, the output of described communication port buffer circuit is connected with the UART communication terminal of described current limliting module.
Further, described communication port buffer circuit comprises the first inverter, the second inverter, inductance L 1, inductance L 2, resistance R 1, resistance R 2, capacitor C 1, capacitor C 2 and capacitor C 3, wherein, the input of described the first inverter is connected with the TX pin of the UART communication terminal of described battery management module, its output is connected with the input of described the second inverter, described the second inverter output be connected with one end of inductance L 1 and capacitor C 1 respectively, the other end of described inductance L 1 is connected with one end of resistance R 2 and capacitor C 3 respectively, also be connected to the RX pin of the UART communication terminal of described current limliting module, the other end ground connection of described capacitor C 1 and described capacitor C 3, the other end of described resistance R 2 is connected to power supply VCC, the RX pin of the UART communication terminal of described battery management module is connected with one end of inductance L 2 and capacitor C 2 respectively, the other end of described inductance L 2 is connected with the TX pin of the UART communication terminal of resistance R 1 and current limliting module respectively, the other end ground connection of described capacitor C 2, the other end of described resistance R 1 is connected with power supply VCC.
Further, described charger module comprises charging pile or charging cabinet.
Further, described battery management module adopts lithium battery managing chip.
The beneficial effects of the utility model are: adopt the utility model not only can effectively avoid the injury of large electric current to battery, also can not can reduce charge efficiency because having increased current limliting module simultaneously.
Brief description of the drawings
Fig. 1 is the utility model system architecture diagram;
Fig. 2 is the circuit structure diagram of communication port buffer circuit;
Wherein, 01-charger module, 02-current limliting module, 03-battery management module, 04-power brick module, 05-communication port buffer circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model comprises charger module 01, current limliting module 02, battery management module 03, power brick module 04 and communication port buffer circuit 05, wherein, the output of charger module 01 is connected with the input of current limliting module 02, the output of current limliting module 02 is connected with the input of battery management system 03, the output of battery management module 03 is connected to power brick module 04, between current limliting module 02 and battery management module 03, also comprise a communication port buffer circuit 05, the input of communication port buffer circuit 05 is connected with the signal output part of battery management module 03, the output of communication port buffer circuit 05 is connected with the signal input part of current limliting module 02.Wherein, battery management module 03 adopts lithium battery managing chip, and charger module 01 comprises charging pile or charging cabinet.
As shown in Figure 2, in current limliting module 02 and battery management module 03, be respectively equipped with UART communication terminal, wherein, communication port buffer circuit 05 comprises the first inverter, the second inverter, inductance L 1, inductance L 2, resistance R 1, resistance R 2, capacitor C 1, capacitor C 2 and capacitor C 3, wherein, the input of the first inverter is connected with the TX pin of the UART communication terminal of battery management module, its output is connected with the input of the second inverter, the second inverter output be connected with one end of inductance L 1 and capacitor C 1 respectively, the other end of inductance L 1 is connected with one end of resistance R 2 and capacitor C 3 respectively, also be connected to the RX pin of the UART communication terminal of current limliting module, the other end ground connection of capacitor C 1 and capacitor C 3, the other end of resistance R 2 is connected to power supply VCC, the RX pin of the UART communication terminal of battery management module is connected with one end of inductance L 2 and capacitor C 2 respectively, the other end of inductance L 2 is connected with the TX pin of the UART communication terminal of resistance R 1 and current limliting module respectively, the other end ground connection of capacitor C 2, the other end of resistance R 1 is connected with power supply VCC.
Innovation part of the present utility model is just to have added communication port buffer circuit 05 between battery management module 03 and current limliting module 02, thereby makes battery management module 03 carry out communication with current limliting module 02, thereby changes the output current of current limliting module 02, after charge initiation, open current limliting module 02, now the voltage of power brick module 04 is lower, after the information of this low-voltage is collected by battery management module 03, feed back to current limliting module 02 by communication port buffer circuit 05, now output current is defined as less electric current by current limliting module 02, avoid large electric current to impact infringement to power brick module, along with the continuation of charging process, the voltage of power brick module 04 raises, now, battery management module 03 feeds back to current limliting module 02 by the voltage signal after raising by communication port buffer circuit 05, now current limliting module 02 increases output current, above battery management module 03 is carried out in real time to the voltage detecting of power brick module 04, therefore, current limliting module 02 progressively increases output current, the metering function of final plant closure current limliting module, can ensure like this safe charging, can improve again charge efficiency, shorten the charging interval.
The above-described preferred embodiment of utilizing describes this programme in detail, and the scope of unrestricted this programme.Those skilled in the art can, by reading after this programme, make trickle change and adjustment, and the main idea place of this programme of will can yet be regarded as does not also depart from the spirit and scope of this programme.
Claims (4)
1. a charging adaptive throttling system, comprise charger module, current limliting module, battery management module and power brick module, the output of described charger module is connected with the input of described current limliting module, the output of described current limliting module is connected with the input of described battery management system, the output of described battery management module is connected to described power brick module, it is characterized in that, in described current limliting module and described battery management module, be respectively equipped with UART communication terminal, and between current limliting module and battery management module, also comprise a communication port buffer circuit, the input of described communication port buffer circuit is connected with the UART communication terminal of described battery management module, the output of described communication port buffer circuit is connected with the UART communication terminal of described current limliting module.
2. a kind of charging adaptive throttling system as claimed in claim 1, it is characterized in that, described communication port buffer circuit comprises the first inverter, the second inverter, inductance L 1, inductance L 2, resistance R 1, resistance R 2, capacitor C 1, capacitor C 2 and capacitor C 3, wherein, the input of described the first inverter is connected with the TX pin of the UART communication terminal of described battery management module, its output is connected with the input of described the second inverter, described the second inverter output be connected with one end of inductance L 1 and capacitor C 1 respectively, the other end of described inductance L 1 is connected with one end of resistance R 2 and capacitor C 3 respectively, also be connected to the RX pin of the UART communication terminal of described current limliting module, the other end ground connection of described capacitor C 1 and described capacitor C 3, the other end of described resistance R 2 is connected to power supply VCC, the RX pin of the UART communication terminal of described battery management module is connected with one end of inductance L 2 and capacitor C 2 respectively, the other end of described inductance L 2 is connected with the TX pin of the UART communication terminal of resistance R 1 and current limliting module respectively, the other end ground connection of described capacitor C 2, the other end of described resistance R 1 is connected with power supply VCC.
3. a kind of charging adaptive throttling system as claimed in claim 1, is characterized in that, described charger module comprises charging pile or charging cabinet.
4. a kind of charging adaptive throttling system as claimed in claim 1, is characterized in that, described battery management module adopts lithium battery managing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061070.3U CN203674771U (en) | 2014-02-11 | 2014-02-11 | Charging self-adaptive current-limiting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061070.3U CN203674771U (en) | 2014-02-11 | 2014-02-11 | Charging self-adaptive current-limiting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674771U true CN203674771U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061070.3U Withdrawn - After Issue CN203674771U (en) | 2014-02-11 | 2014-02-11 | Charging self-adaptive current-limiting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825323A (en) * | 2014-02-11 | 2014-05-28 | 江苏博强新能源科技有限公司 | Charging self-adaptive current-limiting system |
| CN104333090A (en) * | 2014-11-19 | 2015-02-04 | 惠州Tcl移动通信有限公司 | MT (Mobile Terminal) for realizing large current charging and charging method thereof |
-
2014
- 2014-02-11 CN CN201420061070.3U patent/CN203674771U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825323A (en) * | 2014-02-11 | 2014-05-28 | 江苏博强新能源科技有限公司 | Charging self-adaptive current-limiting system |
| CN103825323B (en) * | 2014-02-11 | 2015-08-26 | 江苏博强新能源科技有限公司 | A kind of charging adaptive throttling system |
| CN104333090A (en) * | 2014-11-19 | 2015-02-04 | 惠州Tcl移动通信有限公司 | MT (Mobile Terminal) for realizing large current charging and charging method thereof |
| CN104333090B (en) * | 2014-11-19 | 2017-03-08 | 捷开通讯(深圳)有限公司 | For realizing mobile terminal and its charging method of large current charge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20150826 |
|
| RGAV | Abandon patent right to avoid regrant |