CN203193293U - Battery power supply system and self-balancing two-wheel electric vehicle - Google Patents
Battery power supply system and self-balancing two-wheel electric vehicle Download PDFInfo
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- CN203193293U CN203193293U CN 201220598682 CN201220598682U CN203193293U CN 203193293 U CN203193293 U CN 203193293U CN 201220598682 CN201220598682 CN 201220598682 CN 201220598682 U CN201220598682 U CN 201220598682U CN 203193293 U CN203193293 U CN 203193293U
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- battery
- controllable switch
- power supply
- supply system
- switch unit
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Abstract
The utility model discloses a battery power supply system and a self-balancing two-wheel electric vehicle. The battery power supply system comprises a control unit (1), at least two groups of battery modules (2) which are in parallel connection, and a load (3), wherein each battery module (2) comprises a controllable switch unit (21), a battery (22) and a battery state detector (23); the load (3) is connected with the controllable switch unit (21); the controllable switch unit (21) is connected with the battery (22); the battery (22) is connected with the battery state detector (23); the battery state detector (23) is connected with the control unit (1); and the control unit (1) is connected with the controllable switch unit (21). The utility model also provides the self-balancing two-wheel electric vehicle including the above the battery power supply system. With the battery power supply system and the self-balancing two-wheel electric vehicle of the utility model adopted, operational reliability can be improved, and casualty accidents caused by the failures of batteries can be largely reduced.
Description
Technical field
The utility model relates to field of batteries, particularly, relates to a kind of battery power supply system, and in addition, the utility model also relates to a kind of self-balancing electric motor car with two wheels.
Background technology
Battery is as the energy-storage units that needs power supply unit, therefore higher to the reliability requirement of this energy-storage battery, single energy-storage battery some problems occurred in some fields, for example: on a kind of self-balancing electric motor car with two wheels, the reliability of battery directly influences the driving safety of vehicle, if in the process of riding of vehicle battery failures takes place, the balance sysmte of vehicle can't work on, the accident that probably causes casualties, therefore, battery operated reliability to the self-balancing electric motor car with two wheels is very necessary, can reduce to a great extent because the personnel casualty accidents that battery failures causes.
The utility model content
A technical problem to be solved in the utility model provides a kind of battery power supply system, and this battery power supply system can improve battery powered reliability.
In addition, another technical problem to be solved in the utility model provides the self-balancing electric motor car with two wheels, and this self-balancing electric motor car with two wheels has improved the reliability of work.
To achieve these goals, a kind of battery power supply system, comprise control unit, battery module, the load parallel with one another of at least two groups, described each battery module comprises controllable switch unit, battery and condition tester for battery, described load is connected with described controllable switch unit, described controllable switch unit is connected with battery, described battery is connected with described condition tester for battery, described condition tester for battery is connected with described control unit, and described control unit is connected with described controllable switch unit.
Preferably, described controllable switch unit comprises a diode and gate-controlled switch, and described diode is in parallel with described gate-controlled switch, and described diode cathode is connected with described battery, and described diode cathode is connected with described load.
Preferably, described controllable switch unit comprises N-channel MOS pipe and optocoupler, described control unit is connected with the control end of optocoupler, the output of described optocoupler is connected with described N-channel MOS pipe control end, described N-channel MOS pipe input is connected with described battery, and described N-channel MOS pipe output is connected with described load, comprises that is also isolated a DC-DC module, described isolation DC-DC module is anodal to be connected with described optocoupler input, and described isolation DC-DC module negative pole is connected with load.
On the basis of technique scheme, the utility model also provides a kind of self-balancing electric motor car with two wheels, and this self-balancing electric motor car with two wheels comprises any described a kind of battery power supply system described in the technique scheme.
By above technical scheme as can be seen, the battery power supply system that the utility model provides provides at least two groups battery module parallel with one another, battery module comprises controllable switch unit, the battery module that at least two groups are parallel with one another, load, described each battery module, comprise controllable switch unit, battery and condition tester for battery, described condition tester for battery detects the working condition of battery constantly, and feeding back to control unit, control unit is judged according to the data that receive, thereby is determined to use which battery module, as can be seen, some battery modules break down, and control unit can be controlled another battery module and carry out work, have therefore improved battery powered reliability.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with following embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the circuit diagram of first execution mode of the present utility model;
Fig. 2 is the circuit diagram of second execution mode of the present utility model;
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Fig. 1 is the circuit diagram of first execution mode of the present utility model; Fig. 2 is the circuit diagram of second execution mode of the present utility model;
A kind of battery power supply system that the utility model provides, as shown in Figure 1, comprise control unit 1, battery module 2, the load 3 parallel with one another of at least two groups, each battery module 2 comprises controllable switch unit 21, battery 22 and condition tester for battery 23, load 3 is connected with controllable switch unit 21, described controllable switch unit 21 is connected with battery 22, battery 22 is connected with condition tester for battery 23, condition tester for battery 23 is connected with control unit 1, and control unit 1 is connected with controllable switch unit 21.
When battery power supply system starts, condition tester for battery 23 is at first monitored information such as the voltage, electric current, capacity of two Battery packs 22, send above-mentioned information to control unit 1, by 1 pair of above-mentioned information calculations contrast of control unit, judge whether battery is working properly.If two Battery packs 22 are all normal, then the higher battery of closed electric weight 22 corresponding controllable switch unit 21 preferentially make the higher battery of power consumption 22, have reached the effect of balance electricity consumption.Unusual when one of them battery 22 appearance, control unit 1 can send the battery failures alarm signal, thereby the prompting battery is unusual.
In the battery power supply system course of work, 1 of control unit can closed controllable switch unit 21, makes one of them battery module parallel with one another 2 carry out work.Two Battery pack state detectors 23 all can be monitored the information such as voltage, electric current, capacity of corresponding battery 22 in real time with the Fixed Time Interval of 10ms, send above-mentioned information to control unit 1.By 1 pair of above-mentioned information calculations contrast of control unit, fault causes not exporting or output voltage is low excessively if the arbitrary battery 22 of discovery has occurred, control unit 1 disengagement failure battery 22 corresponding controllable switch unit 21 and closed loop normal battery 22 corresponding controllable switch unit 21 simultaneously immediately then, guarantee that the pond electric power system can also operate as normal, thereby improved reliability.
Shown two groups of battery modules parallel with one another 2 among Fig. 1, also can provide many groups battery module 2 parallel with one another, the concrete course of work is identical with two groups of battery modules parallel with one another 2, does not repeat them here.
Preferably, each group controllable switch unit 21 comprises a diode 211 and gate-controlled switch 212, and diode 211 is in parallel with gate-controlled switch 212, and diode 211 positive poles are connected with battery 22, and diode 24 negative poles are connected with load 3.
When battery power supply system is in laying state, in this embodiment, normal open switch of diode 211 equivalences, gate-controlled switch 212 is in non-closure state, battery 22 can give load 212 power supplies by diode 211, guarantee the little electric current power supply in the load, owing to need certain pressure drop (0.6V) during diode 211 conductings, such design makes two preferential conductings that battery 22 voltages are high, and the diode of the low battery pack correspondence of voltage will turn-off, and so just makes that two Battery packs 22 can the balance electricity consumption when system standby.
In the battery power supply system course of work, be connected with battery 22 because diode 211 is anodal, diode 24 negative poles are connected with load 3, and diode 211 is in reverse-bias state at this moment, does not have electric current and is circulated in the battery that gate-controlled switch 212 is in non-closure.
1 pair of controllable switch unit 21 control procedure of control unit are, when control unit 1 draws when starting which group controllable switch unit 21 by analytical calculation, control unit sends signal will for the control end of corresponding optocoupler 214, this moment, optocoupler 214 can make isolation DC-DC module 215 send signal will for optocoupler 214 inputs, made battery 22 and load conducting.This embodiment control is comparatively simple, and cost is lower.
N-channel MOS pipe 213 similar diodes 211 and gate-controlled switch 212 constitute.
On the basis of technique scheme, the utility model also provides a kind of self-balancing electric motor car with two wheels, and this self-balancing electric motor car with two wheels comprises a kind of battery power supply system of technique scheme.
When the self-balancing electric motor car with two wheels starts, condition tester for battery 23 is at first monitored information such as the voltage, electric current, capacity of two Battery packs 22, send above-mentioned information to control unit 1, by 1 pair of above-mentioned information calculations contrast of control unit, judge whether battery is working properly.If two Battery packs 22 are all normal, then the higher battery of closed electric weight 22 corresponding controllable switch unit 21 preferentially make the higher battery of power consumption 22, have reached the effect of balance electricity consumption.Unusual when one of them battery 22 appearance, control unit 1 can send the battery failures alarm signal, thereby the prompting battery is unusual.
In the self-balancing electric motor car with two wheels course of work, 1 of control unit can closed controllable switch unit 21, makes one of them battery module parallel with one another 2 carry out work.Two Battery pack state detectors 23 all can be monitored the information such as voltage, electric current, capacity of corresponding battery 22 in real time with the Fixed Time Interval of 10ms, send above-mentioned information to control unit 1.By 1 pair of above-mentioned information calculations contrast of control unit, fault causes not exporting or output voltage is low excessively if the arbitrary battery 22 of discovery has occurred, control unit 1 disengagement failure battery 22 corresponding controllable switch unit 21 and closed loop normal battery 22 corresponding controllable switch unit 21 simultaneously immediately then, guarantee that the self-balancing electric motor car with two wheels can also operate as normal, thereby improved reliability, can reduce to a great extent because personnel's accident that battery failures causes.
21 controls of 1 pair of controllable switch unit of control unit can be accomplished in several ways, as long as can realize can controlling according to control unit 1 requirement the open closed of controllable switch unit 21.For example, controllable switch unit can be made up of a power diode and a relay of often opening.Preferred embodiment be, when control unit 1 draws when starting which group controllable switch unit 21 by analytical calculation, control unit sends signal will for the control end of corresponding optocoupler 214, this moment, optocoupler 214 can make isolation DC-DC module 215 send signal will for optocoupler 214 inputs, made battery 22 and load conducting.
When the self-balancing electric motor car with two wheels is in laying state, in this embodiment, normal open switch of diode 211 equivalences, gate-controlled switch 212 is in non-closure state, battery 22 can give load 212 power supplies by diode 211, guarantee the little electric current power supply in the load, owing to need certain pressure drop (0.6V) during diode 211 conductings, such design makes two preferential conductings that battery 22 voltages are high, and the diode of the low battery pack correspondence of voltage will turn-off, and so just makes that two Battery packs 22 can the balance electricity consumption when the standby of self-balancing electric motor car with two wheels.
In the self-balancing electric motor car with two wheels course of work, because diode 211 positive poles are connected with battery 22, diode 24 negative poles are connected with load 3, and this moment, diode 211 was in reverse-bias state, do not have electric current and are circulated in the battery that gate-controlled switch 212 is in non-closure.
Below describe preferred implementation of the present utility model by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned execution mode; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection range of the present utility model.Need to prove in addition, each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up by any suitable manner, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.In addition, also can carry out combination in any between the various execution mode of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (4)
1. battery power supply system, it is characterized in that, comprise control unit (1), the battery module (2) that at least two groups are parallel with one another, load (3), described each battery module (2) comprises controllable switch unit (21), battery (22) and condition tester for battery (23), described load (3) is connected with described controllable switch unit (21), described controllable switch unit (21) is connected with battery (22), described battery (22) is connected with described condition tester for battery (23), described condition tester for battery (23) is connected with described control unit (1), and described control unit (1) is connected with described controllable switch unit (21).
2. a kind of battery power supply system as claimed in claim 1, it is characterized in that, described controllable switch unit (21) comprises a diode (211) and gate-controlled switch (212), described diode (211) is in parallel with described gate-controlled switch (212), described diode (211) is anodal to be connected with described battery (22), and described diode (24) negative pole is connected with described load (3).
3. a kind of battery power supply system as claimed in claim 1, it is characterized in that, described controllable switch unit (21) comprises N-channel MOS pipe (213) and optocoupler (214), described control unit (1) is connected with the control end of optocoupler (214), the output of described optocoupler (214) is connected with described N-channel MOS pipe (213) control end, described N-channel MOS pipe (213) input is connected with described battery (22), described N-channel MOS pipe (213) output is connected with described load (3), comprise that is also isolated a DC-DC module (215), described isolation DC-DC module (215) is anodal to be connected with described optocoupler (214) input, and described isolation DC-DC module (215) negative pole is connected with load (3).
4. a self-balancing electric motor car with two wheels is characterized in that, this self-balancing electric motor car with two wheels comprises according to any described a kind of battery power supply system in the claim 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220598682 CN203193293U (en) | 2012-11-14 | 2012-11-14 | Battery power supply system and self-balancing two-wheel electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220598682 CN203193293U (en) | 2012-11-14 | 2012-11-14 | Battery power supply system and self-balancing two-wheel electric vehicle |
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| Publication Number | Publication Date |
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| CN203193293U true CN203193293U (en) | 2013-09-11 |
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| CN 201220598682 Expired - Lifetime CN203193293U (en) | 2012-11-14 | 2012-11-14 | Battery power supply system and self-balancing two-wheel electric vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128190A (en) * | 2017-05-08 | 2017-09-05 | 东莞博力威电池有限公司 | The battery method for controlling power supply and system of electric car |
| CN111587190A (en) * | 2017-09-11 | 2020-08-25 | 蔚来汽车有限公司 | Split battery for autonomous driving |
| CN112994191A (en) * | 2021-04-30 | 2021-06-18 | 深圳市永联科技股份有限公司 | Current control unit, power supply unit and vehicle |
-
2012
- 2012-11-14 CN CN 201220598682 patent/CN203193293U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128190A (en) * | 2017-05-08 | 2017-09-05 | 东莞博力威电池有限公司 | The battery method for controlling power supply and system of electric car |
| CN107128190B (en) * | 2017-05-08 | 2020-09-08 | 广东博力威科技股份有限公司 | Battery power supply control method and system for electric vehicle |
| CN111587190A (en) * | 2017-09-11 | 2020-08-25 | 蔚来汽车有限公司 | Split battery for autonomous driving |
| CN112994191A (en) * | 2021-04-30 | 2021-06-18 | 深圳市永联科技股份有限公司 | Current control unit, power supply unit and vehicle |
| CN112994191B (en) * | 2021-04-30 | 2021-09-24 | 深圳市永联科技股份有限公司 | Current control unit, power supply unit and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINEBOT (TIANJIN) TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG YE Effective date: 20140813 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 301700 WUQING, TIANJIN |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140813 Address after: 301700 Tianjin District of Wuqing City Auto Parts Industrial Park Road on the north side of cloud office building 507-16 (central office) Patentee after: NINEBOT (TIANJIN) TECH Co.,Ltd. Address before: 100102 Beijing City, Chaoyang District Guangshun Beidajie 19 600 the 02 layer A09 Patentee before: Wang Ye |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220218 Address after: 213100 Floor 16 and 17, Block A, Building 3, Chuangyan Port, Changzhou Science and Education City, 18 Changwuzhong Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: NINEBOT (CHANGZHOU) TECH Co.,Ltd. Address before: 301700 comprehensive office building 507-16 on the north of Yunjing Road, auto parts Industrial Park, Wuqing District, Tianjin (centralized office area) Patentee before: NINEBOT (TIANJIN) TECH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
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| CX01 | Expiry of patent term |