CN111147593A - Storage battery remote monitoring and alarming system - Google Patents

Storage battery remote monitoring and alarming system Download PDF

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Publication number
CN111147593A
CN111147593A CN201911391882.8A CN201911391882A CN111147593A CN 111147593 A CN111147593 A CN 111147593A CN 201911391882 A CN201911391882 A CN 201911391882A CN 111147593 A CN111147593 A CN 111147593A
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alarm
storage battery
battery
group
remote terminal
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赵黎强
徐影
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Yuanli Tianjin Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285Testing apparatus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0815Network architectures or network communication protocols for network security for authentication of entities providing single-sign-on or federations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
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  • Chemical & Material Sciences (AREA)
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  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a storage battery remote monitoring and alarming system, which belongs to the technical field of storage battery management and control and is characterized by at least comprising the following components: the parameter acquisition module is used for acquiring real-time state parameters of each group of storage batteries and each single storage battery; the remote terminal is used for receiving the detection data of the parameter acquisition module and making whether to alarm or not according to the detection data; the remote terminal includes: the system comprises an identity database for storing identity information of each group of storage batteries and each single storage battery, a plurality of threshold value databases aiming at each group of storage batteries and each single storage battery, an alarm instruction database and a human-computer interaction module; and the alarm module executes an alarm task according to the instruction of the remote terminal. The storage battery remote monitoring and alarming system is based on the communication technology of the Internet of things, realizes real-time monitoring on a plurality of state parameters of a storage battery pack and a single storage battery, and finally, quickly and accurately realizes alarming action through threshold comparison in a remote terminal.

Description

Storage battery remote monitoring and alarming system
Technical Field
The invention belongs to the technical field of storage battery management and control, and particularly relates to a storage battery remote monitoring and alarming system.
Background
As is known, a Storage Battery (Storage Battery) is a device for directly converting chemical energy into electrical energy, and is a Battery designed to be rechargeable by reversible chemical reactions, and is generally referred to as a lead-acid Battery, which is one of batteries and belongs to a secondary Battery. The working principle is as follows: when the battery is charged, the internal active substance is regenerated by using external electric energy, the electric energy is stored into chemical energy, and the chemical energy is converted into electric energy again to be output when the battery needs to be discharged.
In recent years, with the rapid development of science and technology, the usage amount of the storage battery is increased sharply, people need to monitor the state of the storage battery in real time in order to ensure the charging and discharging safety of the storage battery, at present, most of the traditional safety detection is performed on the storage battery at regular intervals, and obviously, the traditional technology has the following disadvantages:
firstly, partial faults of the storage battery are generated irregularly, so that the result of the regular detection is unreliable;
secondly, a plurality of faults of the storage battery occur in the charging and discharging working process, so that the safety of the storage battery is difficult to accurately judge by the traditional technology;
and thirdly, a large amount of manpower and material resources are consumed.
Disclosure of Invention
The invention aims to solve the technical problems in the known technology and provides a storage battery remote monitoring and alarming system which is based on the communication technology of the Internet of things and is used for realizing real-time monitoring of a plurality of state parameters of a storage battery pack and a single storage battery and finally realizing alarming action quickly and accurately through threshold comparison in a remote terminal.
A storage battery remote monitoring and alarming system at least comprises:
the parameter acquisition module is used for acquiring real-time state parameters of each group of storage batteries and each single storage battery;
the remote terminal is used for receiving the detection data of the parameter acquisition module and making whether to alarm or not according to the detection data; the remote terminal includes: the system comprises an identity database for storing identity information of each group of storage batteries and each single storage battery, a plurality of threshold value databases aiming at each group of storage batteries and each single storage battery, an alarm instruction database and a human-computer interaction module;
and the alarm module executes an alarm task according to the instruction of the remote terminal.
Further, the real-time state parameters include one or more of pack voltage, charging current, discharging current, cell voltage, cell temperature, and cell internal resistance.
Further, the threshold database includes one or more of a group voltage threshold unit, a charging current threshold unit, a discharging current threshold unit, a cell voltage threshold unit, a cell temperature threshold unit, and a cell internal resistance threshold unit.
Further, the threshold database includes both a general alarm threshold database and an emergency alarm threshold database.
Further, the remote terminal further includes: a user login module and a user operating system.
Further, the user login module comprises an administrator login module and an operator login module.
Further, the remote terminal further includes: and a historical data storage module.
Further, the remote terminal performs data interaction with the parameter acquisition module through the internet of things.
The invention has the advantages and positive effects that:
the invention is based on the communication technology of the Internet of things and a network platform, can realize real-time monitoring and display of a plurality of state parameters of the storage battery pack and a single storage battery, then compares the plurality of state parameters with threshold values through a remote terminal, and finally, quickly and accurately realizes automatic alarm action according to the comparison result.
Drawings
FIG. 1 is a block diagram of the architecture of the preferred embodiment of the present invention;
fig. 2 is a flow chart of a preferred embodiment of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1 to 2, a remote monitoring and alarming system for a storage battery includes:
the parameter acquisition module is used for acquiring real-time state parameters of each group of storage batteries and each single storage battery;
the remote terminal is used for receiving the detection data of the parameter acquisition module and making whether to alarm or not according to the detection data; the remote terminal includes: the system comprises an identity database for storing identity information of each group of storage batteries and each single storage battery, a plurality of threshold value databases aiming at each group of storage batteries and each single storage battery, an alarm instruction database and a human-computer interaction module;
and the alarm module executes an alarm task according to the instruction of the remote terminal.
Preferably, the method comprises the following steps: the real-time state parameters comprise one or more of group voltage, charging current, discharging current, single battery voltage, single battery temperature and single battery internal resistance.
The threshold database comprises one or more of a group voltage threshold unit, a charging current threshold unit, a discharging current threshold unit, a single battery voltage threshold unit, a single battery temperature threshold unit and a single battery internal resistance threshold unit.
The threshold database includes both a general alarm threshold database and an emergency alarm threshold database.
The remote terminal further comprises: a user login module and a user operating system.
The user login module comprises an administrator login module and an operator login module.
The remote terminal further comprises: and a historical data storage module.
And the remote terminal performs data interaction with the parameter acquisition module through the Internet of things.
Group setting
1) Battery grouping arrangement
Drop-down list: the battery pack number (value {1, 2, 3, 4 }). Displaying the number of groups:Nidefining a group number variable: n is a radical ofii={1~4},NiInput by a manual keyboard.
Text box: [ number of storage batteries](data source: station setting-storage battery number, determining the number of storage batteries in each group, and displaying the remainder after grouping) the number of the batteries in the group defines a variable: mij={1~120}i={1~Ni},j={1~Ni},MijAlso defined by manual keyboard input; [ type number](the next default set displays the input values of the previous set), [ Capacity ]](the next default displays the input values of the previous set, the tag displays the unit "Ah").
Drop-down list: the internal resistance measurement time interval (value {1, 2, 3, 4, 6, 8, 12, 24}, label display unit "hour"), the voltage measurement time interval (value {1, 2, 3, 4, 5, 10, 15, 30}, label display unit "minute"), the temperature measurement time interval (value {1, 2, 3, 4, 5, 10, 15, 30}, label display unit "minute").
Description of the drawings: the system is divided into two different versions-MUT and LEM. The user does not have a temperature setting when selecting the MUT and has a temperature setting when selecting the LEM version.
2) Battery set list
List box: field name: the serial number of the storage battery pack, the number, the model number, the capacity and the operation items of modification and deletion (the record is selected, and the displayed command button 'modification and deletion' is clicked to finish the operation on the record).
Accumulator alarm arrangement
1) Accumulator alarm
The storage battery pack alarm is divided into an upper alarm limit and a lower alarm limit, wherein the upper alarm limit and the lower alarm limit comprise a general alarm value and an emergency alarm value. The alarm items include:
drop-down list box: accumulator battery (grouping serial number display for selection)
[UGroup iGroup voltage](V),[InCharging current](A),[InDischarge current](A),[UnVoltage of single battery](V), [ W monomer cell temperature](℃),[IMPnInternal resistance of single battery](%AVR)
2) Group voltage alarm
Description of the drawings: general alarm conditions: u shapeGroup i=(UGroup i<Lower limit of general alarm value]Or UGroup i>Upper limit of general alarm value])
Emergency alarm conditions: u shapeGroup i=(UGroup i<[ lower limit of Emergency Warning value]Or UGroup i>[ Upper limit of Emergency Warning value])
When the general alarm value is the same as the emergency alarm value, processing according to the emergency alarm.
Wherein:
Figure BDA0002345209440000031
wherein U isGroup iIndicating the station group i battery, MiIndicates the number of i groups of batteries, UGroup ofThe value is 1 decimal to 0.0
Figure BDA0002345209440000041
Dn={0~65534}UnThe value is 0.000 as the number of 3 decimal places,
Dnfrom the MCU. U shapenThe value is the actual nth battery voltage of the MCU. Since the MCU storage battery numbers are arranged in sequence and are arranged in groups in the system, U is arranged in groupsijAnd UnThere is a correspondence.
For the correspondence of the number of each group of batteries to the MCU battery number, as described below:
definition of NiIs the number of battery groups in the station, MijThe number of the i-th group of storage batteries is UijCorresponding UnWherein i is a group number, j is an in-group storage battery number, m is an undefined storage battery number of the MCU, n is {1 to 120}, and m is {1 to (n-k) }, wherein
Figure BDA0002345209440000042
Description of the drawings: explanation of battery number: the MCU has a uniform numbering of the batteries which is the unique number of the batteries, and the battery numbers in the user-set battery pack are all from #1 up to the last number # n of the pack. That is, if the user sets 4 groups, there are 4 #1, and thus the battery number in one group is generated to correspond to the MCU battery number.
The group voltage alarm value of each storage battery pack is set in relation to the number of the storage batteries in the group, but the group current value is irrelevant.
2) Charge/discharge current alarm (positive value is charge, negative value is discharge)
The measured value of the charging/discharging current is derived from 4 fixed model quantity data of the MCU, and the current conversion formula is
Figure BDA0002345209440000043
n={1~4}In={-100~+100}InThe value is 1 decimal to 0.0
Wherein: dn∈(-32767~32768)Dn: 4 analog quantities from MCU;
description of the drawings: general alarm conditions: i < [ lower limit of general alarm value ] or I > [ upper limit of general alarm value ])
Emergency alarm conditions: i ═ I < [ lower limit of emergency alert value ] or I > [ upper limit of emergency alert value ])
3) Voltage of single battery
Cell voltage measurement (U)iji is the serial number of the group, j is the serial number of the battery in the group) from the corresponding voltage value (U) of the MCU storage batteryn) That is, the measured value of each battery in the group is compared with the set value in turn to judge whether to alarm.
Description of the drawings: u shapeijU in "group voltage alarm" in the same way as beforeijUijTaking 3 decimal place as 0.000;
general alarm conditions: u shapeij=(Uij<Lower limit of general alarm value]Or Uij>Upper limit of general alarm value]);
Emergency alarm conditions: u shapeij=(Uij<[ lower limit of Emergency Warning value]Or Uij>[ Upper limit of Emergency Warning value]);
Temperature of the single battery:
the measured value Wn of the single battery temperature comes from the temperature value of each storage battery of the MCU group, namely the measured value of each battery of the group is compared with the set value in turn to judge whether to alarm or not.
1) Data acquisition and operation rules:
MCU is represented by 16 bits, the highest bit is null, the lower 8 bits + the upper 3 bits (d)0~d10) Is a mantissa bit, set as B, and 4 high bits (d)11~d14) Is an exponent number, designated as A.
The formula:
Figure BDA0002345209440000051
2) data operation and value rule:
table 1 shows the calculation specification and value rule Table Unit (oF)
Figure BDA0002345209440000052
General alarm conditions: w ═ W < [ lower limit of general alarm value ] or W > [ upper limit of general alarm value ]);
emergency alarm conditions: w ═ W < [ lower limit of emergency alert value ] or W > [ upper limit of emergency alert value ]);
WF: the value is expressed as Fahrenheit (F.), and is converted into centigrade (C.);
converting a formula:
Figure BDA0002345209440000056
the temperature results retained one decimal point, indicating that the resolution was accurate to 0.5 ℃.
Setting internal resistance of the storage battery:
the alarm value obtained by the calculation of the measured value of the internal resistance of each single battery in the group comes from the internal resistance R of the MCU storage batterynAnd the value, namely the measured value of the internal resistance of each single battery in the group is calculated to obtain an alarm value, and the alarm value is compared with the set alarm limit value in turn to judge whether to alarm or not.
Alarm arrangement
When in use
Figure BDA0002345209440000053
>[ alarm Upper Limit setting value](% AVR) upper limit alarm is generated;
when in use
Figure BDA0002345209440000054
<[ alarm lower limit setting value](% AVR) the lower limit alarm is generated.
Description of the drawings: the internal resistance alarm value of the single storage battery is as follows: the ratio of the internal resistance of the battery to the average value of the internal resistances of the batteries in the group. Namely, it is
Figure BDA0002345209440000055
The internal resistance value of the single storage battery comes from MCU, AI [301 ]]~AI[342]The corresponding expression symbol is D1~D120
Figure BDA0002345209440000061
Wherein: dn∈(0~65534)n={1~120}Dn65535 is an error value.
Description of the drawings: rijAnd RnCorresponding relation of (1) is same as UijAnd UnCorresponding relationship of
Is provided with
Figure BDA0002345209440000062
IMPnThe value of the reserved 3 decimal is 0.000.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to carry out the same, and the present invention shall not be limited to the embodiments, i.e. the equivalent changes or modifications made within the spirit of the present invention shall fall within the scope of the present invention.

Claims (8)

1. A storage battery remote monitoring and alarming system; characterized in that it at least comprises:
the parameter acquisition module is used for acquiring real-time state parameters of each group of storage batteries and each single storage battery;
the remote terminal is used for receiving the detection data of the parameter acquisition module and making whether to alarm or not according to the detection data; the remote terminal includes: the system comprises an identity database for storing identity information of each group of storage batteries and each single storage battery, a plurality of threshold value databases aiming at each group of storage batteries and each single storage battery, an alarm instruction database and a human-computer interaction module;
and the alarm module executes an alarm task according to the instruction of the remote terminal.
2. The battery remote monitoring and alarm system according to claim 1, wherein the real-time status parameters include one or more of pack voltage, charge current, discharge current, cell voltage, cell temperature, and cell internal resistance.
3. The battery remote monitoring and alarm system according to claim 1 or 2, wherein the threshold database comprises one or more of a group voltage threshold unit, a charging current threshold unit, a discharging current threshold unit, a cell voltage threshold unit, a cell temperature threshold unit and a cell internal resistance threshold unit.
4. The battery remote monitoring alarm system of claim 3, wherein the threshold database comprises both a general alarm threshold database and an emergency alarm threshold database.
5. The battery remote monitoring alarm system of claim 1, wherein the remote terminal further comprises: a user login module and a user operating system.
6. The battery remote monitoring and alarm system according to claim 5, wherein the user login module comprises an administrator login module and an operator login module.
7. The battery remote monitoring alarm system of claim 1, wherein the remote terminal further comprises: and a historical data storage module.
8. The remote monitoring and alarming system for the storage battery as claimed in claim 1, wherein the remote terminal performs data interaction with the parameter acquisition module through the internet of things.
CN201911391882.8A 2019-12-30 2019-12-30 Storage battery remote monitoring and alarming system Withdrawn CN111147593A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112798965A (en) * 2020-12-29 2021-05-14 北京航天益森风洞工程技术有限公司 Lithium battery monitoring method and device and computer storage medium
CN117390015A (en) * 2023-09-27 2024-01-12 希维科技(广州)有限公司 Method and device for storing battery passport and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106532164A (en) * 2016-11-30 2017-03-22 济南三鼎电气有限责任公司 Machine room lead acid battery on-line monitoring management system and method
CN106707184A (en) * 2016-12-09 2017-05-24 国网北京市电力公司 Method of monitoring storage battery operation state and apparatus thereof
CN109471043A (en) * 2018-11-07 2019-03-15 沈阳工程学院 A kind of storage batteries of transformer substation group on-Line Monitor Device based on LTE mechanics of communication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106532164A (en) * 2016-11-30 2017-03-22 济南三鼎电气有限责任公司 Machine room lead acid battery on-line monitoring management system and method
CN106707184A (en) * 2016-12-09 2017-05-24 国网北京市电力公司 Method of monitoring storage battery operation state and apparatus thereof
CN109471043A (en) * 2018-11-07 2019-03-15 沈阳工程学院 A kind of storage batteries of transformer substation group on-Line Monitor Device based on LTE mechanics of communication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112798965A (en) * 2020-12-29 2021-05-14 北京航天益森风洞工程技术有限公司 Lithium battery monitoring method and device and computer storage medium
CN117390015A (en) * 2023-09-27 2024-01-12 希维科技(广州)有限公司 Method and device for storing battery passport and storage medium

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