CN114899896A - AGV energy storage method - Google Patents
AGV energy storage method Download PDFInfo
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- CN114899896A CN114899896A CN202210303976.0A CN202210303976A CN114899896A CN 114899896 A CN114899896 A CN 114899896A CN 202210303976 A CN202210303976 A CN 202210303976A CN 114899896 A CN114899896 A CN 114899896A
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- battery
- energy storage
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- 238000004146 energy storage Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 10
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 230000005059 dormancy Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an AGV energy storage method, which comprises an energy storage battery, a main controller, a detection circuit group and a detection feedback system, wherein the energy storage battery and the detection circuit group are connected with the main controller, and the detection circuit group is communicated with the detection feedback system through a CAN communication circuit; the invention has the advantages that the charging and discharging current detection is realized, and the charging and discharging overcurrent alarm and protection functions can be realized; the invention can realize the functions of cell, environment, MOS high and low temperature alarm and protection, short circuit protection, charge equalization and cell capacity estimation, and the full charge capacity, current capacity and design capacity of the battery pack can be set by an upper computer; the invention also has a communication function, and can conveniently set the protection parameters such as overcharge, overdischarge, charge-discharge overcurrent, overheat and undertemperature, and the parameters such as capacity, dormancy, balance and storage through the software of the upper computer.
Description
Technical Field
The invention relates to the technical field of AGV control, in particular to an AGV energy storage method using a double-lithium battery dynamic balance power supply mode.
Background
The application of the current power supply technology on the AGV is not mature, and in the traditional single lithium battery power supply mode, the sampling precision of voltage, current and temperature is low, the effective utilization rate of energy is low when the load is small, and the effective output of power supply is not facilitated. Uneven load is not beneficial to effective output of power supply, because in the adopted wireless power supply mode, external equipment has the condition of power failure, and sudden power failure of the AGV can cause danger. The power supply mode of the double lithium batteries can improve the sampling precision of current, voltage and temperature, and can also improve the power supply stability.
Disclosure of Invention
In order to solve the technical problems, the technical scheme provided by the invention is as follows: an AGV energy storage method comprises an energy storage battery, a main controller, a detection circuit group and a detection feedback system, wherein the energy storage battery and the detection circuit group are connected with the main controller, and the detection circuit group is communicated with the detection feedback system through a CAN communication circuit;
the energy storage battery includes main battery, auxiliary battery, main battery, auxiliary battery set up respectively in main battery jar, the auxiliary battery jar on the AGV dolly, main battery, auxiliary battery's positive pole passes through the electric wire and is connected with the power positive pole, main battery, auxiliary battery negative pole pass through the electric wire and are connected with the power negative pole, high voltage interface, low voltage interface on main battery, the auxiliary battery pass through the electric wire and are connected with the host computer controller, main battery jar, auxiliary battery jar pass through the endpoint interface of controller and link to each other.
Further, the detection circuit group comprises a resistance voltage division/current division/temperature change sampling circuit, an isolation operational amplifier unit, an amplifying circuit, a reference voltage circuit and a voltage/current/temperature comparator, wherein the output end of the resistance voltage division/current division/temperature change sampling circuit is connected with the input end of the isolation operational amplifier circuit, the output end of the isolation operational amplifier circuit is connected with the input end of the amplifying circuit, the output end of the amplifying circuit is connected with one input end of the voltage/current/temperature comparator, the output end of the reference voltage circuit is connected with the other input end of the voltage/current/temperature comparator, and the output end of the voltage/current/temperature comparator is communicated with the detection feedback system through a CAN communication circuit.
Furthermore, the detection feedback system comprises a communication module, which is used for carrying out data communication with the host controller, receiving working data sent by the host controller in real time and carrying out parameter setting on the host controller;
the fault early warning module is used for judging the fault type of the battery according to the working data received by the communication module;
the corresponding measure module is used for sending out a corresponding measure instruction according to the fault type judged by the fault early warning module;
the database module is used for storing the working data received by the communication module and the fault type data judged by the fault early warning module;
and the data consulting module is used for browsing the historical data in the database module.
Further, the working data comprises charge and discharge current, cell voltage and temperature data of the lithium battery.
Further, the fault types comprise overcharge, overdischarge, charge and discharge overcurrent, overtemperature and undertemperature.
After the scheme is adopted, the invention has the following advantages: the invention has the advantages that the detection of the monomer voltage and the total voltage is realized, and the functions of overcharge, overdischarge alarm and protection can be realized; the invention has the advantages that the charging and discharging current detection is realized, and the charging and discharging overcurrent alarm and protection functions can be realized; the invention can realize the functions of cell, environment, MOS high and low temperature alarm and protection, short circuit protection, charge equalization and cell capacity estimation, and the full charge capacity, current capacity and design capacity of the battery pack can be set by an upper computer; the invention also has a communication function, and can conveniently set the protection parameters such as overcharge, overdischarge, charge-discharge overcurrent, overheat and undertemperature, and the parameters such as capacity, dormancy, balance and storage through the software of the upper computer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a system diagram of an AGV energy storage method according to the present invention.
FIG. 2 is a schematic diagram of the connection of an energy storage battery in the AGV energy storage method according to the present invention.
FIG. 3 is a system diagram of a detection feedback system in the AGV energy storage method according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Examples
With reference to fig. 1, the present embodiment discloses an AGV energy storage method, which includes an energy storage battery, a main controller, a detection circuit group and a detection feedback system, where the energy storage battery and the detection circuit group are both connected to the main controller, and the detection circuit group communicates with the detection feedback system through a CAN communication circuit;
with reference to fig. 2, the energy storage battery includes a main battery and an auxiliary battery, the main battery and the auxiliary battery are respectively disposed in a main battery slot and an auxiliary battery slot of the AGV, the anodes of the main battery and the auxiliary battery are connected to the anode of the power supply through electric wires, the cathodes of the main battery and the auxiliary battery are connected to the cathode of the power supply through electric wires, the high voltage interfaces and the low voltage interfaces of the main battery and the auxiliary battery are connected to the host controller through electric wires, and the main battery slot and the auxiliary battery slot are connected to each other through the end point interfaces of the controller.
Referring to fig. 3, the detection circuit set includes a resistance voltage-dividing/current-dividing/temperature-varying sampling circuit, an isolation operational amplifier unit, an amplifier circuit, a reference voltage circuit, and a voltage/current/temperature comparator, an output terminal of the resistance voltage-dividing/current-temperature-varying sampling circuit is connected to an input terminal of the isolation operational amplifier circuit, an output terminal of the isolation operational amplifier circuit is connected to an input terminal of the amplifier circuit, an output terminal of the amplifier circuit is connected to an input terminal of the voltage/current/temperature comparator, an output terminal of the reference voltage circuit is connected to another input terminal of the voltage/current/temperature comparator, and an output terminal of the voltage/current/temperature comparator is in communication with the detection feedback system through a CAN communication circuit.
The detection feedback system comprises a communication module, a data processing module and a feedback module, wherein the communication module is used for carrying out data communication with the host controller, receiving working data sent by the host controller in real time and carrying out parameter setting on the host controller, and the working data comprises charge and discharge current, monomer voltage and temperature data of the lithium battery; the fault early warning module is used for judging the fault type of the battery according to the working data received by the communication module, wherein the fault type comprises overcharge, overdischarge, charge-discharge overcurrent, overtemperature and undertemperature; the corresponding measure module is used for sending out a corresponding measure instruction according to the fault type judged by the fault early warning module; the database module is used for storing the working data received by the communication module and the fault type data judged by the fault early warning module; and the data consulting module is used for browsing the historical data in the database module.
In specific implementation, firstly, in an energy storage and power supply device of a lithium battery, two battery tanks are connected with a main controller, the main controller monitors the working state of the battery in real time by adopting detection circuits, and the function of the main controller is mainly realized by a detection feedback system which is a software system arranged in an upper computer; the detection circuit group comprises an isolation sampling circuit, a reference voltage, current and temperature circuit and a voltage, current and temperature comparator hardware detection circuit, the detection circuit group is connected with various communication interfaces in the main controller, and the input end of the detection circuit group is used for receiving voltage, current and temperature signals to be detected; the input end of the isolation operational amplifier unit is connected with the output end of the resistance voltage division, shunt and temperature change sampling circuit so as to carry out isolation transmission processing on the measured voltage, current and temperature signals; the input end of the amplifying circuit is connected with the output end of the isolating operational amplifier unit, and the output end of the amplifying circuit is connected with the input end of the voltage, current and temperature comparator; the reference voltage circuit is used for generating reference voltage, current and temperature signals, the output end of the reference voltage circuit is connected with the other input end of the voltage, current and temperature comparator, and the voltage, current and temperature comparator is used for comparing the voltage, current and temperature at the output end of the amplifying circuit with the reference voltage, current and temperature at the output end of the temperature circuit and outputting a comparison result; finally, the comparison result of the detection circuit uploads the monitoring data to an upper computer system through a CAN communication circuit to analyze and judge the data, and meanwhile, the main battery jar is connected with the auxiliary battery jar through an endpoint interface of the controller, so that the charging balance of the battery is ensured. The upper computer system carries out analysis and processing by detecting the charging and discharging current, the single voltage and the temperature of the lithium battery in real time, and if faults such as overcharge, overdischarge, charging and discharging overcurrent, overtemperature, undertemperature and the like occur, the upper computer system can make corresponding counter measures according to the existing data processing and fault early warning mechanism; the system stores part of detection information and fault information into a database, and an upper computer system is used for searching historical data and fault information so as to facilitate maintenance of a circuit system, wherein the fault diagnosis and early warning part is realized by adopting an upper computer circuit fault diagnosis software system.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An AGV energy storage method is characterized by comprising an energy storage battery, a main controller, a detection circuit group and a detection feedback system, wherein the energy storage battery and the detection circuit group are connected with the main controller, and the detection circuit group is communicated with the detection feedback system through a CAN communication circuit;
the energy storage battery includes main battery, auxiliary battery, main battery, auxiliary battery set up respectively in main battery jar, the auxiliary battery jar on the AGV dolly, main battery, auxiliary battery's positive pole passes through the electric wire and is connected with the power positive pole, main battery, auxiliary battery negative pole pass through the electric wire and are connected with the power negative pole, high voltage interface, low voltage interface on main battery, the auxiliary battery pass through the electric wire and are connected with the host computer controller, main battery jar, auxiliary battery jar pass through the endpoint interface of controller and link to each other.
2. The AGV energy storage method according to claim 1, wherein the detection circuit set comprises a resistance voltage dividing/temperature variation sampling circuit, an isolation operational amplifier unit, an amplifying circuit, a reference voltage circuit, and a voltage/current/temperature comparator, the output end of the resistance voltage division/shunt/temperature change sampling circuit is connected with the input end of the isolation operational amplifier circuit, the output end of the isolation operational amplifier circuit is connected with the input end of the amplifying circuit, the output end of the amplifying circuit is connected with one input end of the voltage/current/temperature comparator, the output end of the reference voltage circuit is connected with the other input end of the voltage/current/temperature comparator, and the output end of the voltage/current/temperature comparator is communicated with the detection feedback system through a CAN communication circuit.
3. The AGV energy storage method according to claim 1, wherein the detection feedback system includes a communication module for performing data communication with the host controller, receiving working data sent by the host controller in real time, and setting parameters of the host controller;
the fault early warning module is used for judging the fault type of the battery according to the working data received by the communication module;
the corresponding measure module is used for sending out a corresponding measure instruction according to the fault type judged by the fault early warning module;
the database module is used for storing the working data received by the communication module and the fault type data judged by the fault early warning module;
and the data consulting module is used for browsing the historical data in the database module.
4. The AGV energy storage method according to claim 3, wherein the working data includes charge and discharge current, cell voltage, and temperature data of the lithium battery.
5. The AGV energy storage method of claim 3, wherein the fault types include overcharge, overdischarge, over-current, over-temperature, and under-temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303976.0A CN114899896A (en) | 2022-03-25 | 2022-03-25 | AGV energy storage method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303976.0A CN114899896A (en) | 2022-03-25 | 2022-03-25 | AGV energy storage method |
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| CN114899896A true CN114899896A (en) | 2022-08-12 |
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| CN202210303976.0A Pending CN114899896A (en) | 2022-03-25 | 2022-03-25 | AGV energy storage method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207530009U (en) * | 2017-12-04 | 2018-06-22 | 合肥英俊新能源科技有限公司 | A kind of power battery PACK babinets for AGV |
| CN109659633A (en) * | 2018-12-17 | 2019-04-19 | 青岛港国际股份有限公司 | Automatic dock AGV battery temperature maintenance device and method |
| CN110789399A (en) * | 2019-10-29 | 2020-02-14 | 南京金邦动力科技有限公司 | AGV vehicle lithium cell group management system |
| CN111431223A (en) * | 2020-03-17 | 2020-07-17 | 苏州科纽普新能源科技有限公司 | Quick-charging battery system for large-load AGV |
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2022
- 2022-03-25 CN CN202210303976.0A patent/CN114899896A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207530009U (en) * | 2017-12-04 | 2018-06-22 | 合肥英俊新能源科技有限公司 | A kind of power battery PACK babinets for AGV |
| CN109659633A (en) * | 2018-12-17 | 2019-04-19 | 青岛港国际股份有限公司 | Automatic dock AGV battery temperature maintenance device and method |
| CN110789399A (en) * | 2019-10-29 | 2020-02-14 | 南京金邦动力科技有限公司 | AGV vehicle lithium cell group management system |
| CN111431223A (en) * | 2020-03-17 | 2020-07-17 | 苏州科纽普新能源科技有限公司 | Quick-charging battery system for large-load AGV |
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