CN111431223A - Quick-charging battery system for large-load AGV - Google Patents
Quick-charging battery system for large-load AGV Download PDFInfo
- Publication number
- CN111431223A CN111431223A CN202010188556.3A CN202010188556A CN111431223A CN 111431223 A CN111431223 A CN 111431223A CN 202010188556 A CN202010188556 A CN 202010188556A CN 111431223 A CN111431223 A CN 111431223A
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- Prior art keywords
- battery
- unit
- charging
- management system
- electric quantity
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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
- H02J7/0013—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
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a heavy-load AGV quick-charging battery system which comprises a first battery unit, a second battery unit and a battery management system, wherein the battery management system comprises a first detection unit, a second detection unit, an electric quantity balancing unit and a first switching unit, the first detection unit is connected with the first battery unit, the second detection unit is connected with the second battery unit, the first detection unit is used for detecting the electric quantity of the first battery unit in real time, the second detection unit is used for detecting the electric quantity of the second battery unit in real time, the electric quantity balancing unit is used for balancing the electric quantities of the first battery unit and the second battery unit in real time, and when the electric quantities detected by the first detection unit and the second detection unit are lower than a threshold value, the first switching unit switches a charging mode into direct-current quick-charging. The heavy-load AGV quick-charging battery system is reasonable in design and high in safety, can balance electric quantity among the battery units during charging, and can effectively guarantee the service life of the battery units.
Description
Technical Field
The invention relates to the technical field of battery charging, in particular to a quick-charging battery system for a heavy-load AGV.
Background
AGVs, also commonly referred to as AGVs, refer to transportation vehicles equipped with electromagnetic or optical automatic guiding devices capable of traveling along a predetermined guiding path, having safety protection and various transfer functions, and requiring no driver's transportation vehicle in industrial applications, and using a first battery unit or a second battery unit capable of being charged as a power source. Since the large-load AGV usually includes a plurality of battery units, it is a technical problem to coordinate the battery units during charging to perform safe and efficient charging.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a heavy-load AGV quick-charging battery system which is reasonable in structure and high in charging efficiency. The technical scheme is as follows:
the utility model provides a heavy load AGV fills battery system soon, its includes first battery cell, second battery cell, battery management system includes first detecting element, second detecting element, electric quantity equalizing unit, first switching unit, first detecting element is connected with first battery cell, the second detecting element is connected with the second battery cell, first detecting element is used for the electric quantity of the first battery cell of real-time detection, the second detecting element is used for the electric quantity of the real-time detection second battery cell, the electric quantity equalizing unit is used for real-time equalization the electric quantity of first battery cell and second battery cell works as when the electric quantity that first detecting element and second detecting element detected all is less than the threshold value, first switching unit switches the charge mode into the direct current and fills soon.
As a further improvement of the present invention, the battery management system further includes a second switching unit for switching between the first battery cell and the second battery cell in series or in parallel at the time of charging.
As a further improvement of the present invention, when the amounts of power detected by the first and second detection units are both higher than a threshold, the first switching unit switches the charging mode to ac slow charging.
As a further improvement of the present invention, the battery management system further comprises an alarm unit, wherein the alarm unit is connected with the battery management system, and when the battery management system monitors that the state of the first battery unit or the second battery unit is abnormal, the alarm unit is controlled to give an alarm.
As a further improvement of the present invention, the battery management system further includes a temperature monitoring unit for monitoring the temperatures of the first battery cell and the second battery cell.
As a further improvement of the present invention, the battery management system further includes a temperature reduction device, and the battery management system controls the operation of the temperature reduction device according to the temperature monitored by the temperature monitoring unit.
As a further improvement of the present invention, the battery management system further includes a timing unit that derives an expected charging time from the amounts of electricity detected by the first and second detection units.
As a further improvement of the present invention, the battery management system further includes a power-off unit for ending the charging when the charging time is reached.
As a further development of the invention, the threshold value is 80%.
As a further improvement of the invention, the system also comprises a positioning system, wherein the positioning system is a GPS or Beidou positioning system.
The invention has the beneficial effects that:
the heavy-load AGV quick-charging battery system is reasonable in design and high in safety, can balance the electric quantity among the battery units during charging, ensures that the battery units can be charged simultaneously, avoids overcharging of a single battery unit, can effectively ensure the service life of the battery units, and ensures the consistency of the battery units.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a high load AGV fast charging battery system in an embodiment of the present invention.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1, the heavy load AGV fast charging battery system in the embodiment of the present invention includes a first battery unit, a second battery unit, and a battery management system.
The battery management system comprises a first detection unit, a second detection unit, an electric quantity balancing unit and a first switching unit, wherein the first detection unit is connected with the first battery unit, the second detection unit is connected with the second battery unit, the first detection unit is used for detecting the electric quantity of the first battery unit in real time, and the second detection unit is used for detecting the electric quantity of the second battery unit in real time.
The electric quantity equalizing unit is used for equalizing the electric quantities of the first battery unit and the second battery unit in real time, ensures that each battery unit can finish charging simultaneously, avoids overcharging of a single battery unit, can effectively ensure the service life of the battery units, and ensures the consistency of each battery unit.
When the electric quantity detected by the first detection unit and the electric quantity detected by the second detection unit are both lower than the threshold value, the first switching unit switches the charging mode to direct-current quick charging. When the electric quantity detected by the first detection unit and the second detection unit is higher than the threshold value, the first switching unit switches the charging mode into alternating current slow charging, so that the battery unit can be effectively protected on the premise of quick charging, and the service life is prolonged. In one embodiment, the threshold is 80%.
In one embodiment, the battery management system further includes a second switching unit for switching between the first battery cell and the second battery cell in series or in parallel when charging. When the output voltage of the charging pile is higher than the voltage of a single battery unit, the charging can be carried out in a mode of connecting the first battery unit and the second battery unit in series, the first battery unit and the second battery unit can effectively carry out voltage division, and when the output voltage of the charging pile is lower than the voltage of the single battery unit, the charging can be carried out in a parallel mode, so that the charging voltage range of the battery is favorably expanded.
In one embodiment, the heavy-load AGV quick-charging battery system further comprises an alarm unit, the alarm unit is connected with the battery management system, and when the battery management system monitors that the state of the first battery unit or the second battery unit is abnormal, the alarm unit is controlled to give an alarm. The whole large-load AGV quick-charging battery system can be effectively protected.
In order to better protect the battery units, the battery management system further comprises a temperature monitoring unit, and the temperature monitoring unit is used for monitoring the temperatures of the first battery unit and the second battery unit. Preferably, the battery management system further comprises a cooling device, and the battery management system controls the cooling device to work according to the temperature monitored by the temperature monitoring unit.
In one embodiment, the battery management system further includes a timing unit, and the timing unit obtains the expected charging time according to the amounts of electricity detected by the first detection unit and the second detection unit. Preferably, the battery management system further includes a power-off unit for ending the charging when the charging time is reached. The battery unit can be effectively protected, and damage to the battery unit caused by excessive charging is avoided.
In one embodiment, the heavy-load AGV quick-charging battery system further includes a positioning system, and the positioning system is a GPS or a beidou positioning system. The position of the battery system can be quickly locked according to the positioning system, and quick scheduling is realized.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a heavy load AGV quick charge battery system, its characterized in that, includes first battery cell, second battery cell, battery management system includes first detecting element, second detecting element, electric quantity balancing unit, first switching unit, first detecting element is connected with first battery cell, second detecting element is connected with the second battery cell, first detecting element is used for the electric quantity of the first battery cell of real-time detection, second detecting element is used for the electric quantity of real-time detection second battery cell, the electric quantity balancing unit is used for real-time balancing the electric quantity of first battery cell and second battery cell works as when the electric quantity that first detecting element and second detecting element detected all is less than the threshold value, first switching unit switches the charge mode into the direct current and fills soon.
2. A heavy load AGV quick-charging battery system according to claim 1, characterised in that said battery management system further comprises a second switching unit for switching between said first and second battery units in series or in parallel during charging.
3. The heavy load AGV fast charging battery system of claim 1, wherein said first switching unit switches the charging mode to AC slow charging when the amount of power detected by said first and second detection units is higher than a threshold.
4. The heavy load AGV quick charging battery system of claim 1, further comprising an alarm unit, wherein said alarm unit is connected to a battery management system, and when said battery management system monitors that the state of the first battery unit or the second battery unit is abnormal, said alarm unit is controlled to give an alarm.
5. A heavy load AGV rapid charging battery system according to claim 1, characterised in that said battery management system further comprises a temperature monitoring unit for monitoring the temperature of said first and second battery cells.
6. A heavy load AGV quick charge battery system as claimed in claim 5 wherein said battery management system further comprises a temperature reduction device, said battery management system controlling said temperature reduction device to operate according to the temperature monitored by said temperature monitoring unit.
7. The heavy load AGV battery rapid charging system of claim 1, wherein said battery management system further comprises a timing unit, said timing unit deriving an expected charging time based on the amount of power detected by said first and second detection units.
8. A large load AGV fast charging battery system according to claim 7, characterised in that said battery management system further comprises a power-off unit for ending charging when the charging time is reached.
9. A large load AGV rapid charging battery system according to claim 1, characterised in that said threshold is 80%.
10. A heavy load AGV quick charge battery system as claimed in claim 1 further comprising a positioning system, said positioning system being a GPS or beidou positioning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188556.3A CN111431223A (en) | 2020-03-17 | 2020-03-17 | Quick-charging battery system for large-load AGV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188556.3A CN111431223A (en) | 2020-03-17 | 2020-03-17 | Quick-charging battery system for large-load AGV |
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| Publication Number | Publication Date |
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| CN111431223A true CN111431223A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188556.3A Pending CN111431223A (en) | 2020-03-17 | 2020-03-17 | Quick-charging battery system for large-load AGV |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564215A (en) * | 2020-12-01 | 2021-03-26 | 厦门研能科技有限公司 | Portable power source control circuit |
| CN114899896A (en) * | 2022-03-25 | 2022-08-12 | 高斯机器人(深圳)有限公司 | AGV energy storage method |
-
2020
- 2020-03-17 CN CN202010188556.3A patent/CN111431223A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564215A (en) * | 2020-12-01 | 2021-03-26 | 厦门研能科技有限公司 | Portable power source control circuit |
| CN112564215B (en) * | 2020-12-01 | 2022-12-13 | 厦门研能科技有限公司 | Mobile power supply control circuit |
| CN114899896A (en) * | 2022-03-25 | 2022-08-12 | 高斯机器人(深圳)有限公司 | AGV energy storage method |
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