CN102969770A - Battery management system of intelligent tour inspection device - Google Patents
Battery management system of intelligent tour inspection device Download PDFInfo
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- CN102969770A CN102969770A CN2012105233456A CN201210523345A CN102969770A CN 102969770 A CN102969770 A CN 102969770A CN 2012105233456 A CN2012105233456 A CN 2012105233456A CN 201210523345 A CN201210523345 A CN 201210523345A CN 102969770 A CN102969770 A CN 102969770A
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Abstract
The invention provides a battery management system of an intelligent tour inspection device of a transformer substation. The battery management system comprises a plurality of battery pack units connected in series, a numerical control Boost circuit connected with the output ends of the battery pack units, an isolation voltage acquisition device for acquiring voltage, and a microprocessor connected with the isolation voltage acquisition device. Compared with the prior art, the battery management system of the intelligent tour inspection device has the advantage that when a single battery in the intelligent tour inspection device is in fault (obvious voltage drop, battery temperature rise and the like), the battery management system is about to disconnect the connection between the battery pack unit and the outside so as to ensure that the battery is not likely to be damaged continuously to result in hazardous conditions.
Description
Technical field
The present invention relates to the substation inspection technology, relate in particular to a kind of battery management system of used for intelligent substation patrol device.
Background technology
In electric power system, because the continuity of electrical energy production, conveying, distribution and use, the safe and reliable operation of each unit in the system there is very high requirement.Particularly along with power industry towards large unit, large capacity, high-tension developing rapidly, the support equipment reliability of operation more becomes the outstanding problem of safety in production.Therefore, the tour of power equipment, the particularly application in equipment fault diagnosis of some advanced technologies, mode, method also more and more are subject to general attention.
Take transformer substation system as example, adopt at present extensively intelligent patrol detection device (such as crusing robot, patrol and examine vehicle) to carry out the work of patrolling and examining of transformer substation system, traditional intelligent patrol detection device uses the LiFePO4 series battery to be energy source usually, the power supply capacity of 192V/30AH can be provided, mobile supplying power for inspection device, because ferric phosphate lithium cell has higher energy density, therefore also become the energy device of present new-energy automobile industry first-selection and be widely used in auto industry.But LiFePO4 belongs to the lithium battery category, also inherits the fatal weakness of some lithium batteries, and for example: the battery charge and discharge process temperature influence is large, must be protected; Under series model, the performance of the whole battery pack of cell performance impact.In addition, because the intelligent patrol detection device has the ability of autonomous, thereby when as the ferric phosphate lithium cell group outlet fault of energy source, use traditional battery management system scheme can cause the car load outage, thereby make inspection device lose locomotor activity, because inspection device normally adopts caterpillar belt structure to move, thereby losing in the situation of locomotor activity, the artificial mobile of inspection device can be very difficult, thereby have a strong impact on the practicality of inspection device.
Therefore, necessaryly provide a kind of used for intelligent substation patrol device with new battery management system to solve above-mentioned technical problem.
Summary of the invention
Technical problem solved by the invention is to provide a kind of battery management system of intelligent patrol detection device, it can ensure the power supply of inspection device when fault occurs, be unlikely to lose locomotivity, ensured the fail safe of the work of patrolling and examining and the practicality of inspection device.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of battery management system of intelligent patrol detection device comprises the battery assembly module of some mutual series connection, the numerical control Boost booster circuit that connects described battery assembly module output, the isolation voltage harvester that is used for collection voltage and the microprocessor that is connected with described isolation voltage harvester.
As the further improvement of the technical program, described battery assembly module comprise a cell, with described cell respectively series and parallel connections two switches, and gather the transducer of described cell temperature.
As the further improvement of the technical program, the opening and closing state of described two switches is opposite each other.
Compared with prior art, when the battery management system of intelligent patrol detection device of the present invention certain cell in the intelligent patrol detection device breaks down (voltage significantly descends, battery temperature rising etc.), battery management system will disconnect battery assembly module and outside being connected, and can not continue to damage the generation that causes dangerous situation to guarantee fail battery.
Description of drawings
Fig. 1 is the Organization Chart of the battery management system of used for intelligent substation patrol device of the present invention.
Embodiment
See also shown in Figure 1, the invention provides a kind of battery management system of the intelligent patrol detection device for transformer station, it comprise some mutual series connection battery assembly module, connect described battery assembly module output numerical control Boost booster circuit, be used for gathering the isolation voltage harvester of voltage and the microprocessor that is connected with described isolation voltage harvester.
The number of described battery assembly module is several grouped elements that are divided into by the requirement of total output voltage, each battery assembly module comprise a cell, with described cell respectively series and parallel connections two switches, and the transducer Tn(n that gathers described cell temperature be natural number 1,2,3 ...).Described switch is 2 interlocking IGBT switch elements, it forms bypass circuit, see also shown in Figure 1, theory diagram for series battery bypass protection and digital control dynamically boosted circuit, as can be seen from the figure, each battery assembly module all has and has disposed 2 interlocking IGBT switches (Gn and Kn, n is natural number 1,2,3 ...), the opening and closing state of these two switches is opposite each other, namely, for any one battery assembly module, when the Gn disconnection, when Kn is closed, this battery assembly module is access in; Otherwise, when the Gn closure and Kn when disconnecting this battery assembly module be bypassed.
Numerical control Boost booster circuit of whole battery pack output access, thus this numerical control Boost booster circuit can be adjusted according to the battery group state total output voltage of boosting rectifier control parameter control battery pack, guarantees that the output voltage of whole battery pack meets load request.
Described microprocessor is by being connected the temperature of obtaining the cell in each battery assembly module with transducer Tn, and obtain the voltage of cell by the isolation voltage harvester, when finding that certain cell occurs when unusual, the battery assembly module at this cell place of microprocessor auto by pass, and alternative with the battery backup unit.
In addition, whole battery pack is furnished with the balancing battery group, and when the cell in certain battery group broke down, system excised this battery group automatically, and replaces or bypass with the balancing battery group; Redundant battery pack can be positioned at the optional position of structure, also can dispose arbitrary number.
The battery management system of used for intelligent substation patrol device of the present invention has following features:
1. the quantity of function battery pack and battery backup can be mated arbitrarily in the unit number of whole battery pack, and battery backup can be positioned at any position;
2. dynamically numerical control Boost booster circuit can guarantee that the output of still remaining valid when a plurality of subelements damage is appearring in battery pack, although this moment, gross energy diminished, but holding device can not run out of steam; 3. can adopt the mode that dynamically drops into to keep power output according to the battery pack state, be of value to the equilibrium of battery pack;
4. can in the situation that does not disconnect whole output, change online single sub-battery pack.
In sum, after utilizing the battery management system of used for intelligent substation patrol device of the present invention, when certain cell breaks down in the intelligent patrol detection device (voltage significantly descends, battery temperature rising etc.), battery management system will disconnect battery assembly module and outside being connected, and can not continue to damage the generation that causes dangerous situation to guarantee fail battery.
The above; it only is most preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction; any those of ordinary skill in the art; do not breaking away from the technical solution of the present invention scope situation; utilize the method content of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, all belong to the scope of claims protection.
Claims (4)
1. the battery management system of an intelligent patrol detection device is characterized in that: comprise the battery assembly module of some mutual series connection, the numerical control Boost booster circuit that connects described battery assembly module output, the isolation voltage harvester that is used for collection voltage and the microprocessor that is connected with described isolation voltage harvester.
2. the battery management system of intelligent patrol detection device according to claim 1 is characterized in that: described battery assembly module comprise a cell, with described cell respectively series and parallel connections two switches, and gather the transducer of described cell temperature.
3. the battery management system of intelligent patrol detection device according to claim 2, it is characterized in that: described microprocessor is connected with transducer.
4. the battery management system of intelligent patrol detection device according to claim 3, it is characterized in that: the opening and closing state of described two switches is opposite each other.
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| CN2012105233456A CN102969770A (en) | 2012-12-09 | 2012-12-09 | Battery management system of intelligent tour inspection device |
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| CN2012105233456A CN102969770A (en) | 2012-12-09 | 2012-12-09 | Battery management system of intelligent tour inspection device |
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| CN2012105233456A Pending CN102969770A (en) | 2012-12-09 | 2012-12-09 | Battery management system of intelligent tour inspection device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104362688A (en) * | 2014-10-27 | 2015-02-18 | 合肥创源车辆控制技术有限公司 | Battery pack redundancy connection method |
| CN104483536A (en) * | 2014-12-31 | 2015-04-01 | 广东乐科电力电子技术有限公司 | Multi-point direct-voltage detecting device and method |
| CN107040021A (en) * | 2017-04-28 | 2017-08-11 | 北京索英电气技术有限公司 | A kind of battery modules series connection management circuit |
| CN108565513A (en) * | 2018-06-27 | 2018-09-21 | 广东电网有限责任公司 | A kind of battery pack and energy-storage system |
| CN109904896A (en) * | 2017-12-11 | 2019-06-18 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN109921490A (en) * | 2019-03-27 | 2019-06-21 | 西安科技大学 | A kind of lithium battery Pressure and Control system and the control method based on the system |
| CN111049252A (en) * | 2019-11-22 | 2020-04-21 | 国网浙江省电力有限公司嘉兴供电公司 | Standby power supply system of multi-station fusion data center |
| CN111342689A (en) * | 2020-03-04 | 2020-06-26 | 广东工业大学 | Multilevel converter of energy storage system and SOC self-equalization modulation method |
| CN112290525A (en) * | 2020-11-05 | 2021-01-29 | 京东数科海益信息科技有限公司 | Track inspection equipment, power supply management method and storage medium |
| CN113640686A (en) * | 2021-07-12 | 2021-11-12 | 杭州高特电子设备股份有限公司 | Fault self-diagnosis device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104362688A (en) * | 2014-10-27 | 2015-02-18 | 合肥创源车辆控制技术有限公司 | Battery pack redundancy connection method |
| CN104483536A (en) * | 2014-12-31 | 2015-04-01 | 广东乐科电力电子技术有限公司 | Multi-point direct-voltage detecting device and method |
| CN107040021A (en) * | 2017-04-28 | 2017-08-11 | 北京索英电气技术有限公司 | A kind of battery modules series connection management circuit |
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| CN111049252A (en) * | 2019-11-22 | 2020-04-21 | 国网浙江省电力有限公司嘉兴供电公司 | Standby power supply system of multi-station fusion data center |
| CN111049252B (en) * | 2019-11-22 | 2022-09-13 | 国网浙江省电力有限公司嘉兴供电公司 | Standby power supply system of multi-station fusion data center |
| CN111342689A (en) * | 2020-03-04 | 2020-06-26 | 广东工业大学 | Multilevel converter of energy storage system and SOC self-equalization modulation method |
| CN112290525A (en) * | 2020-11-05 | 2021-01-29 | 京东数科海益信息科技有限公司 | Track inspection equipment, power supply management method and storage medium |
| CN113640686A (en) * | 2021-07-12 | 2021-11-12 | 杭州高特电子设备股份有限公司 | Fault self-diagnosis device and method |
| CN113640686B (en) * | 2021-07-12 | 2024-03-12 | 杭州高特电子设备股份有限公司 | Fault self-diagnosis device and method |
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Application publication date: 20130313 |