CN105044604A - Storage battery pack online monitoring system and monitoring method thereof - Google Patents

Storage battery pack online monitoring system and monitoring method thereof Download PDF

Info

Publication number
CN105044604A
CN105044604A CN201510361861.7A CN201510361861A CN105044604A CN 105044604 A CN105044604 A CN 105044604A CN 201510361861 A CN201510361861 A CN 201510361861A CN 105044604 A CN105044604 A CN 105044604A
Authority
CN
China
Prior art keywords
battery pack
battery
data
state parameter
state
Prior art date
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.)
Pending
Application number
CN201510361861.7A
Other languages
Chinese (zh)
Inventor
柳劲松
李涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI RUNPOWER INFORMATION TECHNOLOGY Co Ltd
State Grid Shanghai Electric Power Co Ltd
Original Assignee
SHANGHAI RUNPOWER INFORMATION TECHNOLOGY Co Ltd
State Grid Shanghai Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI RUNPOWER INFORMATION TECHNOLOGY Co Ltd, State Grid Shanghai Electric Power Co Ltd filed Critical SHANGHAI RUNPOWER INFORMATION TECHNOLOGY Co Ltd
Priority to CN201510361861.7A priority Critical patent/CN105044604A/en
Publication of CN105044604A publication Critical patent/CN105044604A/en
Pending legal-status Critical Current

Links

Landscapes

  • Secondary Cells (AREA)

Abstract

The invention discloses a storage battery pack online monitoring method. The method comprises the following steps that state parameter data of a storage battery pack and state parameter data of each single storage battery are acquired; the acquired state parameter data of the storage battery pack and the state parameter data of each single storage battery are analyzed and processed so that analysis and processing results are obtained; the state parameter data of the storage battery pack are compared with the pre-stored storage battery pack state standard value so that a storage battery pack state feedback result is obtained; and the state parameter number of each single storage battery is compared with the pre-stored single storage battery state standard value so that a single storage battery state feedback result is obtained. The invention also discloses a storage battery pack online monitoring system. Storage battery pack performance online monitoring can be realized without artificial intervention so that the monitoring method is convenient and rapid and the monitoring result is stable and accurate.

Description

A kind of battery pack on-line monitoring system and monitoring method thereof
Technical field
The present invention relates to battery management technical field, be specifically related to a kind of battery pack on-line monitoring system and monitoring method thereof.
Background technology
The performance of accumulator and life-span and daily maintenance relation are very large, the mode that current electric company adopts human at periodic intervals to safeguard to the maintaining of accumulator.There is technical merit and differ in manual maintenance, lacks the problems such as effective monitoring means, cannot grasp battery status in time, exactly, cannot eliminate the hidden danger that battery problems is brought.
Summary of the invention
The object of the present invention is to provide a kind of battery pack on-line monitoring system and monitoring method thereof, need not manual intervention, realize carrying out on-line monitoring to the performance of battery pack, monitoring method is convenient and swift, and monitoring result is stable, accurately.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of battery pack on-line monitoring system, and for monitoring the state of battery pack, described battery pack comprises several single batteries, be characterized in, this battery pack on-line monitoring system comprises:
Monitoring equipment, for the state parameter data of the state parameter data and each single battery that gather battery pack;
Data Analysis Services equipment, is connected with described monitoring equipment, for the state parameter data of the battery pack received and the state parameter data analysis process of each single battery, obtains analysis processing result;
Storage server, with described Data Analysis Services equipment connection, for storing the state parameter data of battery pack and the state parameter data of each single battery that the analysis processing result after Data Analysis Services device processes and monitoring equipment collect;
Data transmission set, is connected with described storage server, for transmitting the data stored in storage server;
Client device, is connected with described data transmission set, and described client device comprises a data record platform, inquires about, and show on a client device for authorized user to the data in storage server.
Described battery pack on-line monitoring system also comprises a hand-held display terminal, adopts wireless mode to be connected, inquire about, and show for authorized user to the data in storage server with described data transmission set.
Described monitoring equipment comprises several single battery state acquisition modules, correspondingly with the single battery in described battery pack to arrange, described in each, single battery state acquisition module comprises voltage acquisition unit, current acquisition unit, internal resistance collecting unit and temperature collecting cell, respectively with described Data Analysis Services equipment connection, for gathering the voltage parameter of single battery, current parameters, internal resistance parameter and surface temperature.
Described monitoring equipment also comprises battery pack state acquisition module, described battery pack state acquisition module comprises total voltage collecting unit and total current collecting unit, respectively with described Data Analysis Services equipment connection, for gathering voltage parameter and the current parameters of battery pack.
Described battery pack state acquisition module also comprises humidity collection unit, with described Data Analysis Services equipment connection, for gathering the ambient humidity parameter of battery pack.
Described data record platform comprises the data inquiry module be connected with described data transmission set, and described data inquiry module is used for authorized user and inquires about the data stored in described storage server.
Described data record platform also comprises an analysis feedback module be connected with described data transmission set, for the battery pack status criteria value of the state parameter data of battery pack and pre-stored is compared, draw battery pack feedback of status result, also for the single battery status criteria value of the state parameter number of each single battery and pre-stored is compared, draw single battery feedback of status result, the state of battery pack that prompting user is current and the state of single battery.
Described client device also comprises prompting alarm module, is connected with described analysis feedback module, and described prompting alarm module is used for making prompting alarm according to battery pack feedback of status result and the timing of single battery feedback of status result to user.
Described client device also comprises function setting module, is connected with described data transmission set, and described function setting module is used for needing to carry out function setting to described battery pack on-line monitoring system according to user.
A kind of battery pack on-line monitoring method, is characterized in, comprises following steps:
S1, the collection state parameter data of battery pack and the state parameter data of each single battery;
S2, state parameter data analysis process to the state parameter data harvesting electric battery collected and each single battery, obtain analysis processing result;
S3, the battery pack status criteria value of the state parameter data of battery pack and pre-stored to be compared, draw battery pack feedback of status result;
S4, the single battery status criteria value of the state parameter number of each single battery and pre-stored to be compared, draw single battery feedback of status result.
A kind of battery pack on-line monitoring system of the present invention and monitoring method thereof compared with prior art have the following advantages: on-line monitoring, need not manual intervention, meet the needs that battery pack repair based on condition of component is safeguarded, alleviate the workload of staff; Method is simple and efficient, does not affect the normal work of battery pack, and monitoring result is stable, accurate.
Accompanying drawing explanation
Fig. 1 is the one-piece construction block diagram of a kind of battery pack on-line monitoring system of the present invention;
Fig. 2 is the process flow diagram of a kind of battery pack on-line monitoring method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 1, a kind of battery pack on-line monitoring system, for monitoring the state of battery pack, described battery pack comprises several single batteries, this battery pack on-line monitoring system comprises: monitoring equipment 100, for the state parameter data of the state parameter data and each single battery that gather battery pack; Data Analysis Services equipment 200, is connected with described monitoring equipment 100, for the state parameter data of the battery pack received and the state parameter data analysis process of each single battery, obtains analysis processing result; Storage server 300, be connected with described Data Analysis Services equipment 200, for storing the analysis processing result after Data Analysis Services equipment 200 processes and the state parameter data of battery pack that collect of monitoring equipment 100 and the state parameter data of each single battery; Data transmission set 400, is connected with described storage server 300, for transmitting the data stored in storage server 300; Client device 500, bus mode or Ethernet is adopted to be connected with described data transmission set 400, described client device 500 comprises a data record platform 501, inquires about the data in storage server 300 for authorized user, and shows on client device 500; Hand-held display terminal 600, adopt wireless mode to be connected with described data transmission set 400, such as GPRS network or other wireless networks, preferably hand-held display terminal 600 is a mobile phone, for authorized user, the data in storage server 300 are inquired about, and show.
As shown in Figure 1, described monitoring equipment 100 comprises several single battery state acquisition modules 101, correspondingly with the single battery in described battery pack to arrange, described in each, single battery state acquisition module 101 comprises voltage acquisition unit 1011, current acquisition unit 1012, internal resistance collecting unit 1013 and temperature collecting cell 1014, be connected with described Data Analysis Services equipment 200 respectively, for gathering the voltage parameter of single battery, current parameters, internal resistance parameter and surface temperature; Described monitoring equipment 100 comprises also battery pack state acquisition module 102, described battery pack state acquisition module 102 comprises total voltage collecting unit 1021, total current collecting unit 1022 and humidity collection unit 1023, be connected with described Data Analysis Services equipment 200 respectively, for gathering the voltage parameter of battery pack, current parameters and ambient humidity parameter.
Data record platform 501 comprises the data inquiry module 5011 be connected with described data transmission set 400, and described data inquiry module 5011 is inquired about the data stored in described storage server 300 for authorized user; The one analysis feedback module 5012 be connected with described data transmission set 400, for the battery pack status criteria value of the state parameter data of battery pack and pre-stored is compared, draw battery pack feedback of status result, also for the single battery status criteria value of the state parameter number of each single battery and pre-stored is compared, draw single battery feedback of status result, the state of battery pack that prompting user is current and the state of single battery.
Preferably, described client device 500 also comprises reminds alarm module 502, be connected with described analysis feedback module 5012, described prompting alarm module 502 is for making prompting alarm according to battery pack feedback of status result and the timing of single battery feedback of status result to user, preferably, adopt audible-visual annunciator, remind staff.
Preferably, described client device 500 also comprises function setting module 503, is connected with described data transmission set 400, and described function setting module 503 is for needing to carry out function setting to described battery pack on-line monitoring system according to user.
As shown in Figure 2, a kind of battery pack on-line monitoring method, comprises following steps:
S1, the collection state parameter data of battery pack and the state parameter data of each single battery;
S2, state parameter data analysis process to the state parameter data harvesting electric battery collected and each single battery, obtain analysis processing result;
S3, the battery pack status criteria value of the state parameter data of battery pack and pre-stored to be compared, draw battery pack feedback of status result;
S4, the single battery status criteria value of the state parameter number of each single battery and pre-stored to be compared, draw single battery feedback of status result.
Particularly, the battery pack status criteria value of pre-stored comprises the default accumulator battery voltage standard value upper limit, default accumulator battery voltage standard value lower limit, the default battery current standard value upper limit, default battery current standard value lower limit, the default battery pack ambient humidity standard value upper limit and default battery pack ambient humidity standard value lower limit; The single battery status criteria value of pre-stored comprises the default single battery standard voltage value upper limit, default single battery standard voltage value lower limit, the default single battery current standard value upper limit, default single battery current standard value lower limit, the default single battery internal resistance standard value upper limit, default single battery internal resistance standard value lower limit, the default single battery surface temperature standard value upper limit, default single battery surface temperature standard value lower limit.
Preferably, can according to the correlativity of internal resistance and capacity, the capacity of analytical calculation single battery.
Battery pack on-line monitoring system of the present invention, can set and self-timing detection is carried out to the internal resistance of single battery, minimumly be set as 10 minutes once, also can monitor the internal resistance of battery pack simultaneously, while test internal resistance, the battery voltage value of single battery also can be measured simultaneously.
Battery pack on-line monitoring system of the present invention, can set the parameters such as the voltage to battery pack, electric current and ambient humidity and patrol and examine, the interval patrolled and examined can set, and is the shortlyest spaced apart 20 seconds.
By setting the battery pack status criteria value of pre-stored and the single battery status criteria value of pre-stored, when monitor exceed time, report to the police, remind staff, and this logout is got off, staff can find the exception of electric battery duty.
Long-term follow monitoring is carried out to the internal resistance of single battery and voltage, and can be formed monthly, per season, annual monitoring form, the operation maintenance situation of comprehensive grasp accumulator, the data that long-term follow is monitored are stored, regular monitoring form is realized by extracted data, or data variation curve and derived data, facilitate staff to the understanding in past and inquiry.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (10)

1. a battery pack on-line monitoring system, for monitoring the state of battery pack, described battery pack comprises several single batteries, it is characterized in that, this battery pack on-line monitoring system comprises:
Monitoring equipment, for the state parameter data of the state parameter data and each single battery that gather battery pack;
Data Analysis Services equipment, is connected with described monitoring equipment, for the state parameter data of the battery pack received and the state parameter data analysis process of each single battery, obtains analysis processing result;
Storage server, with described Data Analysis Services equipment connection, for storing the state parameter data of battery pack and the state parameter data of each single battery that the analysis processing result after Data Analysis Services device processes and monitoring equipment collect;
Data transmission set, is connected with described storage server, for transmitting the data stored in storage server;
Client device, is connected with described data transmission set, and described client device comprises a data record platform, inquires about, and show on a client device for authorized user to the data in storage server.
2. battery pack on-line monitoring system as claimed in claim 1, it is characterized in that, comprise a hand-held display terminal further, adopt wireless mode to be connected with described data transmission set, for authorized user, the data in storage server are inquired about, and show.
3. battery pack on-line monitoring system as claimed in claim 1 or 2, it is characterized in that, described monitoring equipment comprises several single battery state acquisition modules, correspondingly with the single battery in described battery pack to arrange, described in each, single battery state acquisition module comprises voltage acquisition unit, current acquisition unit, internal resistance collecting unit and temperature collecting cell, respectively with described Data Analysis Services equipment connection, for gathering the voltage parameter of single battery, current parameters, internal resistance parameter and surface temperature.
4. battery pack on-line monitoring system as claimed in claim 1 or 2, it is characterized in that, described monitoring equipment also comprises battery pack state acquisition module, described battery pack state acquisition module comprises total voltage collecting unit and total current collecting unit, respectively with described Data Analysis Services equipment connection, for gathering voltage parameter and the current parameters of battery pack.
5. battery pack on-line monitoring system as claimed in claim 4, it is characterized in that, described battery pack state acquisition module also comprises humidity collection unit, with described Data Analysis Services equipment connection, for gathering the ambient humidity parameter of battery pack.
6. battery pack on-line monitoring system as claimed in claim 1, it is characterized in that, described data record platform comprises the data inquiry module be connected with described data transmission set, and described data inquiry module is used for authorized user and inquires about the data stored in described storage server.
7. the battery pack on-line monitoring system as described in claim 1 or 6, it is characterized in that, described data record platform also comprises an analysis feedback module be connected with described data transmission set, for the battery pack status criteria value of the state parameter data of battery pack and pre-stored is compared, draw battery pack feedback of status result, also for the single battery status criteria value of the state parameter number of each single battery and pre-stored is compared, draw single battery feedback of status result, the state of battery pack that prompting user is current and the state of single battery.
8. battery pack on-line monitoring system as claimed in claim 7, it is characterized in that, described client device also comprises prompting alarm module, be connected with described analysis feedback module, described prompting alarm module is used for making prompting alarm according to battery pack feedback of status result and the timing of single battery feedback of status result to user.
9. battery pack on-line monitoring system as claimed in claim 1, it is characterized in that, described client device also comprises function setting module, be connected with described data transmission set, described function setting module is used for needing to carry out function setting to described battery pack on-line monitoring system according to user.
10. a battery pack on-line monitoring method, is characterized in that, comprises following steps:
S1, the collection state parameter data of battery pack and the state parameter data of each single battery;
S2, state parameter data analysis process to the state parameter data harvesting electric battery collected and each single battery, obtain analysis processing result;
S3, the battery pack status criteria value of the state parameter data of battery pack and pre-stored to be compared, draw battery pack feedback of status result;
S4, the single battery status criteria value of the state parameter number of each single battery and pre-stored to be compared, draw single battery feedback of status result.
CN201510361861.7A 2015-06-26 2015-06-26 Storage battery pack online monitoring system and monitoring method thereof Pending CN105044604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510361861.7A CN105044604A (en) 2015-06-26 2015-06-26 Storage battery pack online monitoring system and monitoring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510361861.7A CN105044604A (en) 2015-06-26 2015-06-26 Storage battery pack online monitoring system and monitoring method thereof

Publications (1)

Publication Number Publication Date
CN105044604A true CN105044604A (en) 2015-11-11

Family

ID=54451286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510361861.7A Pending CN105044604A (en) 2015-06-26 2015-06-26 Storage battery pack online monitoring system and monitoring method thereof

Country Status (1)

Country Link
CN (1) CN105044604A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106908740A (en) * 2017-04-20 2017-06-30 国网新疆电力公司昌吉供电公司 Embedded transformer station direct-flow storage battery on-Line Monitor Device
CN107611501A (en) * 2017-08-21 2018-01-19 许继电源有限公司 Batteries monitoring system, batteries and its cell unit
CN107783059A (en) * 2017-12-07 2018-03-09 株洲中车电气科技有限公司 A kind of locomotive storage batteries monitoring method and system
CN108832213A (en) * 2018-08-27 2018-11-16 莱芜钢铁集团电子有限公司 A kind of battery monitor method, apparatus and system
CN108931742A (en) * 2018-09-27 2018-12-04 广州亚美信息科技有限公司 A kind of method and system in on-line real-time measuremen vehicle battery service life
CN109037531A (en) * 2018-08-08 2018-12-18 中国检验检疫科学研究院 A kind of intelligent multifunctional battery storage frame
CN110441696A (en) * 2019-08-09 2019-11-12 西安班特利奥能源科技有限公司 Battery Life cycle monitoring device, system and method
CN112083220A (en) * 2020-08-19 2020-12-15 中车长春轨道客车股份有限公司 Method for monitoring voltage of storage battery of motor train unit
CN112595981A (en) * 2020-12-29 2021-04-02 佛山科学技术学院 Online monitoring system for storage battery
CN113131020A (en) * 2021-05-08 2021-07-16 深圳市驰普科达科技有限公司 Big health management system of industrial battery pack
CN114462796A (en) * 2021-12-31 2022-05-10 杭州趣链科技有限公司 System, method and equipment for managing battery full life cycle based on block chain

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201583631U (en) * 2009-07-17 2010-09-15 淄博智洋电气有限公司 Online-detecting device and system of storage battery
CN102680908A (en) * 2012-06-08 2012-09-19 山东申普交通科技有限公司 Battery status detection record analyzer and control method
CN103064027A (en) * 2012-11-12 2013-04-24 陕西省电力公司检修公司 On-line monitoring and maintaining system for 750-volt wireless intelligent storage battery
JP5263819B2 (en) * 2008-06-11 2013-08-14 株式会社日立製作所 Battery monitoring system
CN103308859A (en) * 2012-03-14 2013-09-18 曾奕 Monitoring system and monitoring method for statuses of storage batteries
CN104375095A (en) * 2014-11-24 2015-02-25 贵州电网公司六盘水供电局 Online expert analysis system for storage batteries
CN104466278A (en) * 2014-12-10 2015-03-25 国家电网公司 Online battery detection, repairing and evaluation method
CN104483633A (en) * 2014-12-23 2015-04-01 广东电网有限责任公司电力科学研究院 Lead-acid storage battery monitoring system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5263819B2 (en) * 2008-06-11 2013-08-14 株式会社日立製作所 Battery monitoring system
CN201583631U (en) * 2009-07-17 2010-09-15 淄博智洋电气有限公司 Online-detecting device and system of storage battery
CN103308859A (en) * 2012-03-14 2013-09-18 曾奕 Monitoring system and monitoring method for statuses of storage batteries
CN102680908A (en) * 2012-06-08 2012-09-19 山东申普交通科技有限公司 Battery status detection record analyzer and control method
CN103064027A (en) * 2012-11-12 2013-04-24 陕西省电力公司检修公司 On-line monitoring and maintaining system for 750-volt wireless intelligent storage battery
CN104375095A (en) * 2014-11-24 2015-02-25 贵州电网公司六盘水供电局 Online expert analysis system for storage batteries
CN104466278A (en) * 2014-12-10 2015-03-25 国家电网公司 Online battery detection, repairing and evaluation method
CN104483633A (en) * 2014-12-23 2015-04-01 广东电网有限责任公司电力科学研究院 Lead-acid storage battery monitoring system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106908740A (en) * 2017-04-20 2017-06-30 国网新疆电力公司昌吉供电公司 Embedded transformer station direct-flow storage battery on-Line Monitor Device
CN107611501A (en) * 2017-08-21 2018-01-19 许继电源有限公司 Batteries monitoring system, batteries and its cell unit
CN107783059A (en) * 2017-12-07 2018-03-09 株洲中车电气科技有限公司 A kind of locomotive storage batteries monitoring method and system
CN109037531A (en) * 2018-08-08 2018-12-18 中国检验检疫科学研究院 A kind of intelligent multifunctional battery storage frame
CN108832213A (en) * 2018-08-27 2018-11-16 莱芜钢铁集团电子有限公司 A kind of battery monitor method, apparatus and system
CN108931742A (en) * 2018-09-27 2018-12-04 广州亚美信息科技有限公司 A kind of method and system in on-line real-time measuremen vehicle battery service life
CN110441696A (en) * 2019-08-09 2019-11-12 西安班特利奥能源科技有限公司 Battery Life cycle monitoring device, system and method
CN112083220A (en) * 2020-08-19 2020-12-15 中车长春轨道客车股份有限公司 Method for monitoring voltage of storage battery of motor train unit
CN112595981A (en) * 2020-12-29 2021-04-02 佛山科学技术学院 Online monitoring system for storage battery
CN113131020A (en) * 2021-05-08 2021-07-16 深圳市驰普科达科技有限公司 Big health management system of industrial battery pack
CN114462796A (en) * 2021-12-31 2022-05-10 杭州趣链科技有限公司 System, method and equipment for managing battery full life cycle based on block chain

Similar Documents

Publication Publication Date Title
CN105044604A (en) Storage battery pack online monitoring system and monitoring method thereof
CN104388948B (en) Pipeline cathode protection Inspection and monitoring system
CN115598559B (en) Intelligent UPS battery health state monitoring system
CN202453481U (en) On-line monitoring system for storage battery capacity
CN104485742A (en) Power terminal in wireless power private network and management method of power terminal
CN111399421A (en) Factory energy monitoring and management system based on cloud platform
CN104915894A (en) Metering automatic terminal operation risk early warning system
CN102539977B (en) Thunder and lightning on-line monitoring system
CN107450027A (en) A kind of uninterrupted power source intelligent online monitoring and warning system platform
CN102141788B (en) Method and system for monitoring environment variable
CN106486709A (en) A kind of battery automatic management method and system
CN108732477A (en) A kind of system and method for the power distribution network main equipment live detection based on electric power wireless communication
CN115002166A (en) Intelligent battery monitoring and leasing management system and method based on Internet of things
CN205540221U (en) Power station remote monitering system based on thing networking
CN215833532U (en) Power line diagnosis and line inspection system
CN111382172A (en) Power distribution terminal backup power supply multivariate health degree self-checking method and system
CN205389193U (en) Photovoltaic power plant is with intelligent subassembly and photovoltaic power plant wireless monitoring system
CN108109074A (en) A kind of grid-connected information management platform of distributed generation resource and method
CN211086454U (en) Enterprise production state monitoring system based on NB-IOT
CN112068006A (en) Laboratory equipment safe operation and maintenance platform based on cloud computing
CN215598465U (en) Energy storage type multifunctional lithium battery detection system for oil field
CN207636680U (en) Electric power facility local monitoring device and system
CN116247801A (en) Distribution equipment group monitoring system based on Internet of things
CN205665221U (en) Intelligence indoor air quality monitoring system based on internet of things
CN205721239U (en) A kind of energy source monitoring system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20151111