CN102751759A - Control method and control system for battery - Google Patents
Control method and control system for battery Download PDFInfo
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- CN102751759A CN102751759A CN2012102407085A CN201210240708A CN102751759A CN 102751759 A CN102751759 A CN 102751759A CN 2012102407085 A CN2012102407085 A CN 2012102407085A CN 201210240708 A CN201210240708 A CN 201210240708A CN 102751759 A CN102751759 A CN 102751759A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a control method for a battery, comprising the following steps: a singlechip controller receives temperature information and voltage information of a lithium iron phosphate battery acquired by a sensor in real time, obtains corresponding voltage compensation information according to the temperature information, and generates a voltage value by the voltage information and the voltage compensation information, when the voltage value accords with a preset charge condition, the singlechip generates a corresponding control command, and sends to the command to a photovoltaic controller, and the photovoltaic controller charges the lithium iron phosphate battery according to the control command. The lithium iron phosphate battery in the method is very high in chemical activity, so that the charging efficiency can be improved; furthermore, the lithium iron phosphate battery is charged by the method; and the method is applicable to the system, so that the charging efficiency of the lithium iron phosphate battery can be improved.
Description
Technical field
The present invention relates to the control method and the system in ultra-high-tension power transmission line field, particularly a kind of battery.
Background technology
Disasters such as China recent years sleet earthquake are multiple, therefore need a kind of monitoring mode of traditional artificial line walking that can replace to understand at any time line tower surrounding enviroment and operating state in the transmission line field, and transmission line online monitoring system is born in order to solve this demand; This on-line monitoring system is installed on superhigh pressure and the UHV transmission iron tower, can gather video and sensor signal, for example the small inclination of shaft tower; The cable temperature is waved amplitude, wind direction; Temperature humidity etc.; Can utilize the parallel optical cable transmission high-definition image signal of high-voltage fence and some data of line tower, therefore, can make whole extra-high voltage grid reach highly visual through this system; Especially in disaster more frequent area taking place, just can realize real-time monitoring and tour with lower cost.Because this system is based upon on the ultra high voltage railway, relates to safety and cost problem, ground can't supply power to it, so adopt the form of solar panel to come to supply power for on-line monitoring system usually.
National grid before and after 2008 pilot a collection of transmission line online monitoring system; This on-line monitoring system all uses colloid battery and directly uses special-purpose MPPT maximum power point tracking MPPT photovoltaic controller to come to be its charging; Wherein, MPPT: full name " MPPT maximum power point tracking " (the Maximum Power Point Tracking) solar photovoltaic controller of MPPT maximum power point tracking technology MPPT controller is the upgraded product of traditional solar charging/discharging controller.So-called MPPT maximum power point tracking; Be meant that promptly controller can monitor the generating voltage of solar panels in real time, and follow the trail of ceiling voltage current value (VI), system is charged to colloid battery with the highest efficient; Colloid battery and MPPT photovoltaic controller have been included only in the said electric power system; Wherein, have only when the charging voltage of MPPT photovoltaic controller reaches certain preset value at every turn, just can charge to colloid battery; And therefore colloid battery exists the low problem of charge efficiency for existing electric power system because its chemism is general.
Summary of the invention
Problem to be solved by this invention is: a kind of control method and system of battery are provided, to solve in the prior art problem to the battery charge inefficiency in the electric power system.
The present invention provides a kind of battery control method and system, comprising:
A kind of control method of battery is applied in the electric power system to the high-tension bus-bar on-line monitoring system, and said electric power system comprises: photovoltaic controller, transducer, singlechip controller and ferric phosphate lithium cell, and this method comprises:
Said singlechip controller receives the information of voltage and the temperature information of said sensor acquisition, and obtains corresponding voltage compensation information with said temperature information according to said temperature information;
When the magnitude of voltage that generates according to said voltage compensation information and said information of voltage meets the preset charged condition; Generate corresponding control command; And said control command sent to said photovoltaic controller, to control said photovoltaic controller said ferric phosphate lithium cell is charged.
Preferably, said singlechip controller also comprises after receiving said information of voltage and temperature information:
Obtain the dump energy of said ferric phosphate lithium cell;
Judge whether the remaining electric weight of said ferric phosphate lithium cell meets preset disconnection condition; If then cut-off switch is realized said ferric phosphate lithium cell no-output; Do not carry out the step that sensor in real time is gathered the information of voltage and the temperature information of said ferric phosphate lithium cell if, then return.
Preferably, the process of being obtained with the corresponding voltage compensation information of said temperature information by said temperature information comprises:
Obtain the charging voltage and current offset by said temperature information;
Said charging voltage and current offset is modeled to temperature-compensating information;
Obtain the voltage compensation information corresponding with temperature-compensating information.
Preferably, the information of voltage and the temperature information of said sensor in real time collection ferric phosphate lithium cell comprise:
Voltage sensor is gathered the information of voltage of ferric phosphate lithium cell and the temperature information that temperature sensor is gathered ferric phosphate lithium cell in real time in real time.
Preferably, judge that whether said magnitude of voltage meets the preset charged condition, comprising:
Whether judge said magnitude of voltage less than preset charging cut-ff voltage value, if then said magnitude of voltage meets the preset charged condition, if not, then said magnitude of voltage does not meet the preset charged condition.
Preferably, judge that whether the remaining electric weight of said ferric phosphate lithium cell meets preset disconnection condition, comprising:
Judge whether said ferric phosphate lithium cell dump energy is lower than the preset percentage of total electric weight, if, then meet preset disconnection condition, if not, then do not meet preset disconnection condition.
A kind of control system of ferric phosphate lithium cell comprises: photovoltaic controller, transducer, singlechip controller and ferric phosphate lithium cell;
Said transducer is used for, and gathers the information of voltage and the temperature information of ferric phosphate lithium cell in real time, and said information of voltage and temperature information are sent to said singlechip controller;
Said singlechip controller is used for; Receive said information of voltage and temperature information; And obtain and the corresponding voltage compensation information of said temperature information by said temperature information; When the magnitude of voltage of said voltage compensation information and the generation of said information of voltage meets the preset charged condition, generate corresponding control command, and said control command is sent to said photovoltaic controller;
Said photovoltaic controller is used for, and according to said control command, said ferric phosphate lithium cell is charged.
Preferably, also comprise: determining device;
Said determining device is used for; After said singlechip controller receives said information of voltage and temperature information, obtain the dump energy of said ferric phosphate lithium cell, if the remaining electric weight of said ferric phosphate lithium cell meets pre-conditioned; Cut-off switch then; Realize said ferric phosphate lithium cell no-output,, then return and carry out information of voltage and the temperature information that sensor in real time is gathered said ferric phosphate lithium cell if not.
Preferably, said transducer comprises: temperature sensor and voltage sensor.
Preferably, said switch can be FET or relay.
Can find out from above technical scheme, the invention provides a kind of battery control method and system, be applied in the electric power system to the high-voltage line on-line monitoring system; Said electric power system comprises: photovoltaic controller, transducer, singlechip controller and ferric phosphate lithium cell, wherein, the information of voltage and the temperature information of the said sensor acquisition of said Single-chip Controlling; And obtain and the corresponding voltage compensation information of said temperature information according to said temperature information; When the voltage conforms preset charged condition that generates according to said voltage compensation information and said information of voltage, generate corresponding control command, and said control command is sent to said photovoltaic controller; To control said photovoltaic controller said ferric phosphate lithium cell is charged; Used ferric phosphate lithium cell in this method, said ferric phosphate lithium cell is because its chemical constitution can improve charge efficiency; And adopt the information of gathering ferric phosphate lithium cell in real time; And,, improved charge efficiency to the ferric phosphate lithium cell in the electric power system to the method that said ferric phosphate lithium cell charges according to the control command that information generates.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the control system of the embodiment of the invention one disclosed a kind of battery;
Fig. 2 is the structural representation of the control system of the embodiment of the invention two disclosed a kind of batteries;
Fig. 3 is the schematic flow sheet of the control method of the embodiment of the invention three disclosed a kind of batteries;
Fig. 4 is the embodiment of the invention four disclosed a kind of battery-operated method flow sketch mapes;
Fig. 5 a kind ofly obtains the schematic flow sheet with the corresponding voltage compensation information of said temperature information by said temperature information for the embodiment of the invention five is disclosed;
Fig. 6 a kind ofly judges whether the remaining electric weight of said ferric phosphate lithium cell meets the method flow sketch map of preset disconnection condition for the embodiment of the invention six is disclosed;
A kind ofly judge whether the remaining electric weight of said ferric phosphate lithium cell meets the method flow sketch map of preset disconnection condition referring to Fig. 7 embodiment of the invention seven is disclosed.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention discloses a kind of control method of battery; Said method is applied in the electric power system to the high-tension bus-bar on-line monitoring system; Referring to Fig. 1 is the structural representation of the control system of embodiment one disclosed a kind of battery, and said electric power system comprises: photovoltaic controller 101, transducer 102, singlechip controller 103 and ferric phosphate lithium cell 104;
Said transducer 102 is used for, and gathers the information of voltage and the temperature information of said ferric phosphate lithium cell in real time, and said information of voltage and temperature information are sent to said singlechip controller 103;
Wherein, said transducer 102 can comprise: voltage sensor and current sensor;
Said ferric phosphate lithium cell 104 is a kind of novel batteries; Positive and negative material manufacture with said ferric phosphate lithium cell in the present technology becomes uniform nano level particle; Can increase substantially the discharge power of battery because of the total surface area sharp increase of particle; And cycle life and stability are not affected, and simultaneously, the discharge performance of said ferric phosphate lithium cell when low temperature also is superior to colloid battery.
Said singlechip controller 103 is used for; Receive said information of voltage and temperature information; And obtain and the corresponding voltage compensation information of said temperature information by said temperature information; When the magnitude of voltage of said voltage compensation information and the generation of said information of voltage meets the preset charged condition, generate corresponding control command, and said control command is sent to said photovoltaic controller 101;
Said photovoltaic controller 101 is used for, and according to said control command, said ferric phosphate lithium cell 104 is charged.
Wherein, said photovoltaic controller 101 can detect the generating voltage of solar panels in real time, and follows the trail of the ceiling voltage current value, and the solar panels that are connected with said photovoltaic controller 101 are charged to said ferric phosphate lithium cell 104 with the highest efficient.
In the present embodiment, a kind of control system of battery is disclosed, the information of voltage and the temperature information of the said sensor acquisition of said Single-chip Controlling; And obtain and the corresponding voltage compensation information of said temperature information according to said temperature information; When voltage conforms preset charged condition that said voltage compensation information and said information of voltage generate, generate corresponding control command, and said control command is sent to said photovoltaic controller; To control said photovoltaic controller said ferric phosphate lithium cell is charged; This method has been used ferric phosphate lithium cell, and said ferric phosphate lithium cell is because chemical constitution can improve charge efficiency; And adopt the information of gathering ferric phosphate lithium cell in real time; And,, improved charge efficiency to the ferric phosphate lithium cell in the electric power system to the method that said ferric phosphate lithium cell charges according to the control command that information generates.
Be the structural representation of control system of a kind of battery of embodiment two disclosed by the invention referring to Fig. 2, on the basis of the foregoing description, said system also comprises: determining device 105;
Said determining device 105 is used for; After said singlechip controller 103 receives said information of voltage and temperature information, obtain the dump energy of said ferric phosphate lithium cell 104, if said ferric phosphate lithium cell 104 remaining electric weight meet preset disconnection condition; Cut-off switch then; Realize said ferric phosphate lithium cell no-output,, then return and carry out information of voltage and the temperature information that transducer 102 is gathered said ferric phosphate lithium cell 104 in real time if not.
Wherein, switch can be FET or relay, with said FET or relay and cell package together, when needs are changed battery along with battery is changed together.
The foregoing description discloses a kind of control system of battery, on the basis of embodiment one, has increased determining device; Said determining device is used for after said singlechip controller receives said information of voltage and temperature information; Obtain the dump energy of said ferric phosphate lithium cell, if the remaining electric weight of said ferric phosphate lithium cell meets preset disconnection condition, then cut-off switch; Realize said ferric phosphate lithium cell no-output; If not, then return and carry out information of voltage and the temperature information that sensor in real time is gathered said ferric phosphate lithium cell, in the present embodiment; Whether said determining device meets preset disconnection condition to the dump energy of the said ferric phosphate lithium cell that obtains is judged, can be owing to overdischarge destroys said ferric phosphate lithium cell.
Referring to Fig. 3 is the schematic flow sheet of the control method of a kind of battery disclosed by the invention, and said method comprises:
Step S101: sensor in real time is gathered the information of voltage and the temperature information of said ferric phosphate lithium cell, and said information of voltage and temperature information are sent to singlechip controller;
Wherein, voltage sensor is gathered the information of voltage of ferric phosphate lithium cell and the temperature information that temperature sensor is gathered ferric phosphate lithium cell in real time in real time.
Step S102: said singlechip controller receives said information of voltage and temperature information, and is obtained and the corresponding voltage compensation information of said temperature information by said temperature information;
Referring to Fig. 5 is that the disclosed process of being obtained with the corresponding voltage compensation information of said temperature information by said temperature information comprises among the present invention:
Step S301: obtain the charging voltage and current offset by said temperature information;
Step S302: said charging voltage and current offset is modeled to temperature-compensating information;
Step S303: obtain the voltage compensation information corresponding with temperature-compensating information.
Step S103: judge when whether magnitude of voltage that said voltage compensation information and said information of voltage generate meets the preset charged condition, if, execution in step S104 then, if not, execution in step S101 then;
Step S104: generate corresponding control command, and said control command is sent to said photovoltaic controller;
Step S105: said photovoltaic controller charges to said ferric phosphate lithium cell according to said control command.
Above-mentioned is among the embodiment, discloses a kind of control method of battery, and said singlechip controller receives the information of voltage and the temperature information of said sensor acquisition; And obtain and the corresponding voltage compensation information of said temperature information according to said temperature information, when the magnitude of voltage that generates according to said compensated information and said information of voltage meets the preset charged condition, generate corresponding control command; And said control command sent to said photovoltaic controller; To control said recovery controller said ferric phosphate lithium cell is charged, in the method, used said ferric phosphate lithium cell; Because device chemical constitution; Can improve charge efficiency, and gather the information of ferric phosphate lithium cell in real time, and generate corresponding control command; To the method that said ferric phosphate lithium cell charges, improved charge efficiency to the ferric phosphate lithium cell in the electric power system.
Referring to Fig. 4 is the schematic flow sheet of the control method of a kind of battery disclosed by the invention, and said method comprises:
Step S201: sensor in real time is gathered the information of voltage and the temperature information of said ferric phosphate lithium cell, and said information of voltage and temperature information are sent to singlechip controller;
Step S202: said singlechip controller receives said information of voltage and temperature information, obtains the dump energy of said ferric phosphate lithium cell;
Step S203: judge whether the remaining electric weight of said ferric phosphate lithium cell meets preset disconnection condition, if, execution in step S204 then, if not, execution in step S201 then;
Step S204: cut-off switch, realize said ferric phosphate lithium cell no-output;
In the foregoing description, the invention discloses a kind of control method of battery, whether said method meets preset disconnection condition to the dump energy of said ferric phosphate lithium cell is judged, therefore can be owing to overdischarge destroys said ferric phosphate lithium cell.
A kind of judge whether said magnitude of voltage meets the method flow sketch map of preset charged condition referring to Fig. 6 for disclosed by the invention, this method comprises:
Step S401: judge said magnitude of voltage whether less than preset charging cut-ff voltage value, if, execution in step S402 then, if not, execution in step S403 then;
Step S402: said magnitude of voltage meets the preset charged condition;
Step S403: said magnitude of voltage does not meet the preset charged condition.
Wherein, said charging cut-ff voltage value can comprise the charging cut-ff voltage threshold voltage value of monolithic battery and the charging cut-ff voltage value of whole Battery pack.
In the foregoing description; The invention discloses and a kind ofly judge whether said magnitude of voltage meets the method for preset charged condition; Whether the magnitude of voltage to said ferric phosphate lithium cell in the said method is judged less than preset charging cut-ff voltage value, can judge the charging cut-ff voltage value of monolithic battery, also can judge the charging cut-ff voltage value of whole Battery pack; When said magnitude of voltage reaches the preset requirement that needs charging; Said single-chip microcomputer just can generate the control command of the said photovoltaic controller of control corresponding, can effectively charge to said ferric phosphate lithium cell like this, can not produce the waste of resource.
Referring to Fig. 7 is to judge whether the remaining electric weight of said ferric phosphate lithium cell meets the method flow sketch map of preset disconnection condition, and this method comprises:
Step S501: judge whether said ferric phosphate lithium cell dump energy is lower than the preset percentage of total electric weight, if, execution in step S502 then, if not, execution in step S503 then;
Step S502: meet preset disconnection condition;
Step S503: do not meet preset disconnection condition.
In the foregoing description; The invention discloses and a kind ofly judge whether said ferric phosphate lithium cell dump energy meets the method for preset disconnection condition; The preset percentage that in the said method whether the dump energy of ferric phosphate lithium cell is lower than total electric weight is judged; Except above-mentioned disclosed determination methods; Can also effectively cut off the output of battery through judging when said ferric phosphate lithium cell monolithic voltage is lower than 2.5V or integral battery door voltage and is lower than 20V, thereby protect battery, avoid the overdischarge of battery.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part is partly explained referring to method and is got final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment is conspicuous to those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and the corresponding to wide region of features of novelty.
Claims (10)
1. the control method of a battery is characterized in that, is applied in the electric power system to the high-tension bus-bar on-line monitoring system, and said electric power system comprises: photovoltaic controller, transducer, singlechip controller and ferric phosphate lithium cell, and this method comprises:
Said singlechip controller receives the information of voltage and the temperature information of said sensor acquisition, and obtains corresponding voltage compensation information with said temperature information according to said temperature information;
When the magnitude of voltage that generates according to said voltage compensation information and said information of voltage meets the preset charged condition; Generate corresponding control command; And said control command sent to said photovoltaic controller, to control said photovoltaic controller said ferric phosphate lithium cell is charged.
2. method according to claim 1 is characterized in that, said singlechip controller also comprises after receiving said information of voltage and temperature information:
Obtain the dump energy of said ferric phosphate lithium cell;
Judge whether the remaining electric weight of said ferric phosphate lithium cell meets preset disconnection condition; If then cut-off switch is realized said ferric phosphate lithium cell no-output; Do not carry out the step that sensor in real time is gathered the information of voltage and the temperature information of said ferric phosphate lithium cell if, then return.
3. method according to claim 1 is characterized in that, the process of being obtained with the corresponding voltage compensation information of said temperature information by said temperature information comprises:
Obtain the charging voltage and current offset by said temperature information;
Said charging voltage and current offset is modeled to temperature-compensating information;
Obtain the voltage compensation information corresponding with temperature-compensating information.
4. method according to claim 1 is characterized in that, information of voltage and temperature information that said sensor in real time is gathered ferric phosphate lithium cell comprise:
Voltage sensor is gathered the information of voltage of ferric phosphate lithium cell and the temperature information that temperature sensor is gathered ferric phosphate lithium cell in real time in real time.
5. method according to claim 1 is characterized in that, judges that whether said magnitude of voltage meets the preset charged condition, comprising:
Whether judge said magnitude of voltage less than preset charging cut-ff voltage value, if then said magnitude of voltage meets the preset charged condition, if not, then said magnitude of voltage does not meet the preset charged condition.
6. method according to claim 2 is characterized in that, judges that whether the remaining electric weight of said ferric phosphate lithium cell meets preset disconnection condition, comprising:
Judge whether said ferric phosphate lithium cell dump energy is lower than the preset percentage of total electric weight, if, then meet preset disconnection condition, if not, then do not meet preset disconnection condition.
7. the control system of a ferric phosphate lithium cell is characterized in that, comprising: photovoltaic controller, transducer, singlechip controller and ferric phosphate lithium cell;
Said transducer is used for, and gathers the information of voltage and the temperature information of ferric phosphate lithium cell in real time, and said information of voltage and temperature information are sent to said singlechip controller;
Said singlechip controller is used for; Receive said information of voltage and temperature information; And obtain and the corresponding voltage compensation information of said temperature information by said temperature information; When the magnitude of voltage of said voltage compensation information and the generation of said information of voltage meets the preset charged condition, generate corresponding control command, and said control command is sent to said photovoltaic controller;
Said photovoltaic controller is used for, and according to said control command, said ferric phosphate lithium cell is charged.
8. system according to claim 7 is characterized in that, also comprises: determining device;
Said determining device is used for; After said singlechip controller receives said information of voltage and temperature information, obtain the dump energy of said ferric phosphate lithium cell, if the remaining electric weight of said ferric phosphate lithium cell meets pre-conditioned; Cut-off switch then; Realize said ferric phosphate lithium cell no-output,, then return and carry out information of voltage and the temperature information that sensor in real time is gathered said ferric phosphate lithium cell if not.
9. system according to claim 7 is characterized in that, said transducer comprises: temperature sensor and voltage sensor.
10. system according to claim 8 is characterized in that, said switch can be FET or relay.
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| CN2012102407085A CN102751759A (en) | 2012-07-11 | 2012-07-11 | Control method and control system for battery |
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| CN2012102407085A CN102751759A (en) | 2012-07-11 | 2012-07-11 | Control method and control system for battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105429249A (en) * | 2016-01-19 | 2016-03-23 | 宁德新能源科技有限公司 | Battery control device and method for controlling battery |
| CN112103575A (en) * | 2020-09-18 | 2020-12-18 | 江苏工程职业技术学院 | Energy storage management system based on dynamic scanning |
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Application publication date: 20121024 |