CN113859552B - Battery management system - Google Patents
Battery management system Download PDFInfo
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- CN113859552B CN113859552B CN202111136503.8A CN202111136503A CN113859552B CN 113859552 B CN113859552 B CN 113859552B CN 202111136503 A CN202111136503 A CN 202111136503A CN 113859552 B CN113859552 B CN 113859552B
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- 238000003780 insertion Methods 0.000 claims abstract description 53
- 230000037431 insertion Effects 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 33
- 238000002955 isolation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 11
- 230000002618 waking effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D31/00—Power plant control systems; Arrangement of power plant control systems in aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/10—Air crafts
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention discloses a battery management system. The system comprises: the intelligent battery pack comprises a device interface, a voltage stabilizing power supply, a microprocessor, a protocol chip, a buck-boost module, multiple types of intelligent batteries, multiple battery insertion ports, an insertion wake-up and detection module and a loop switch, wherein the insertion wake-up and detection module corresponds to the battery insertion ports one by one. According to the battery management system provided by the embodiment of the invention, the microprocessor is arranged to automatically adjust the output power of the buck-boost module according to the battery parameters of the intelligent battery inserted into the battery insertion port, and the opening and closing of each corresponding loop switch are controlled according to the preset charging rule, so that intelligent adaptation of different types of batteries is realized, a plurality of different types of batteries can be automatically and orderly charged by using the system, the space occupation of charging equipment is reduced, the user operation is simplified, more convenience is provided for the user, and meanwhile, the cost of the charging equipment is also reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of battery charging and discharging, in particular to a battery management system.
Background
At present, the battery life of a consumer unmanned aerial vehicle is generally short, and for longer life, a user generally purchases a plurality of batteries, however, the complexity of charging is increased due to the fact that too many batteries and different types of batteries are added. At present, the scheme for charging multiple batteries generally adopts multiple matched charging devices to charge each battery respectively, and the traditional charging devices can only charge the same battery, so that messy charging lines occupy a large amount of space, the charging operation process is complicated, and the equipment cost is relatively high.
Disclosure of Invention
The embodiment of the invention provides a battery management system, which solves the problem that different charging equipment is required to be used for charging different types of batteries in the prior art, thereby avoiding the occupation of space by redundant charging wires, simplifying the operation of users and reducing the charging cost.
The embodiment of the invention provides a battery management system, which comprises: the intelligent battery module comprises an equipment interface, a stabilized voltage power supply, a microprocessor, a protocol chip, a buck-boost module, a plurality of types of intelligent batteries, a plurality of battery insertion ports, an insertion wake-up and detection module and a loop switch, wherein the insertion wake-up and detection module corresponds to the battery insertion ports one by one; wherein,,
the equipment interface is respectively connected with the voltage-stabilized power supply, the protocol chip and the lifting pressure module and is used for accessing external power supply equipment;
the voltage-stabilized power supply is respectively connected with the microprocessor and the protocol chip, and the power supply voltage provided by the external power supply equipment supplies power for the microprocessor and the protocol chip through the voltage-stabilized power supply;
the microprocessor is correspondingly connected to each battery insertion port through each insertion wake-up and detection module, and is used for detecting whether a plurality of target intelligent batteries in the intelligent batteries are inserted into the battery insertion ports or not and waking up the plurality of target intelligent batteries when the plurality of target intelligent batteries are inserted;
the microprocessor is also connected with the plurality of target intelligent batteries and is also used for reading first battery parameters of the plurality of target intelligent batteries;
the microprocessor is further connected with the buck-boost module and the loop switch, the buck-boost module is connected with the protocol chip and is correspondingly connected to each battery insertion port through each loop switch, and the microprocessor is further used for adjusting output power of the buck-boost module according to the first battery parameters and controlling opening and closing of each loop switch according to a preset charging rule so as to respectively charge a plurality of target intelligent batteries inserted into the battery insertion ports by using the power supply voltage.
Optionally, the device interface is further configured to access an external powered device;
correspondingly, the insertion awakening and detecting module is used for detecting whether a plurality of target intelligent batteries in the intelligent batteries are inserted into the battery insertion port or not, and awakening the plurality of target intelligent batteries when the plurality of target intelligent batteries are inserted;
each battery insertion port is connected with the voltage-stabilized power supply, and output voltages provided by the multiple target intelligent batteries supply power for the microprocessor and the protocol chip through the voltage-stabilized power supply;
the microprocessor is also used for reading second battery parameters of the plurality of target intelligent batteries, adjusting the maximum output power of the voltage boosting and reducing module according to the second battery parameters and a preset discharging rule, and opening the corresponding loop switch;
and the protocol chip is used for acquiring the required power of the external power receiving equipment when the external power receiving equipment is accessed, so that the voltage boosting and reducing module discharges the external power receiving equipment according to the required power.
Optionally, the system further includes a power supply isolation circuit, the device interface is connected to the regulated power supply through the power supply isolation circuit, each of the battery insertion ports is connected to the regulated power supply through the power supply isolation circuit, the power supply isolation circuit is used for isolating different power supplies, and the power supplies include the external power supply device and each of the intelligent batteries.
Optionally, the microprocessor is further configured to determine whether the external device is the external power supply device or the external power receiving device according to whether the port of the accessed external device has a voltage output, so as to determine to use the system to charge or discharge.
Optionally, the microprocessor is further configured to obtain charging parameters of the plurality of target intelligent batteries in real time after starting charging, determine whether the charging is completed according to the charging parameters, and stop the charging if the charging is completed, where the charging parameters include battery power.
Optionally, the microprocessor is further configured to obtain, in real time, a plurality of discharge parameters of the target intelligent battery after starting the discharge, and determine whether the discharge is completed according to the discharge parameters, and if so, stop the discharge, where the discharge parameters include battery power or battery current.
Optionally, the system further includes a multi-option communication module, and the microprocessor is connected with the multiple target intelligent batteries through the multi-option communication module, so as to obtain the first battery parameter and the second battery parameter through the multi-option communication module.
Optionally, the system further includes a display module, configured to display a standby state if power supply to the microprocessor is completed and the intelligent battery is not inserted yet in a charging process, and display a charging state when a plurality of target intelligent batteries are inserted; and the device is also used for displaying a standby state when the power supply to the microprocessor is completed and the external power receiving equipment is not accessed in the discharging process, and displaying a discharging state when the external power receiving equipment is accessed.
Optionally, the system further includes a control input module, configured to receive the preset charging rule and the preset discharging rule that are user-defined.
Optionally, the first battery parameter includes a battery type and/or a charging power, and the second battery parameter includes a battery type and/or a maximum discharging power.
The embodiment of the invention provides a battery management system which comprises an equipment interface, a voltage stabilizing power supply, a microprocessor, a protocol chip, a voltage increasing and decreasing module, a plurality of intelligent batteries, a plurality of battery inserting ports, an inserting wake-up and detecting module and a loop switch, wherein the inserting wake-up and detecting module corresponds to the battery inserting ports one by one. The microprocessor is arranged to automatically adjust the output power of the buck-boost module according to the battery parameters of the intelligent battery inserted into the battery insertion port, and the corresponding loop switches are controlled to be opened and closed according to the preset charging rule, so that intelligent adaptation of different types of batteries is realized, the system can be used for automatically and orderly charging a plurality of different types of batteries, the space occupation of the charging equipment is reduced, the user operation is simplified, more convenience is provided for the user, and meanwhile, the cost of the charging equipment is also reduced.
Drawings
Fig. 1 is a schematic structural diagram of a battery management system according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of another battery management system according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of another battery management system according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of another battery management system according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of another battery management system according to a first embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1 is a schematic structural diagram of a battery management system according to an embodiment of the present invention, and the present embodiment is applicable to a case where multiple batteries are charged simultaneously by using the system, and fig. 1 illustrates two types of batteries as an example, but the battery management system according to the present invention is not limited to a case where two types of batteries are charged. As shown in fig. 1, the system includes: the device comprises a device interface 101, a regulated power supply 102, a microprocessor 103, a protocol chip 104, a voltage boosting and reducing module 105, a plurality of intelligent batteries, a plurality of battery insertion ports 106, an insertion wake-up and detection module 107 and a loop switch 108, wherein the insertion wake-up and detection module 107 corresponds to the battery insertion ports one by one; the device interface 101 is respectively connected with the regulated power supply 102, the protocol chip 104 and the buck-boost module 105, and is used for accessing external power supply devices; the voltage-stabilized power supply 102 is respectively connected with the microprocessor 103 and the protocol chip 104, and the power supply voltage provided by the external power supply equipment supplies power for the microprocessor 103 and the protocol chip 104 through the voltage-stabilized power supply 102; the microprocessor 103 is correspondingly connected to each battery insertion port 106 through each insertion wake-up and detection module 107, and is configured to detect whether a plurality of target smart batteries (such as a first target smart battery 1091 and a second target smart battery 1092 in fig. 1) are inserted into the battery insertion port 106, and wake up the plurality of target smart batteries when the plurality of target smart batteries are inserted; the microprocessor 103 is further connected to a plurality of the target intelligent batteries, and is further configured to read first battery parameters of the plurality of the target intelligent batteries; the microprocessor 103 is further connected to the buck-boost module 105 and the loop switch 108, the buck-boost module 105 is connected to the protocol chip 104 and is correspondingly connected to each battery insertion port 106 through each loop switch 108, and the microprocessor 103 is further configured to adjust the output power of the buck-boost module 105 according to the first battery parameter, and control the opening and closing of each loop switch 108 according to a preset charging rule, so as to respectively charge the plurality of target smart batteries inserted into the battery insertion ports 106 by using the power supply voltage.
The smart battery provided in this embodiment may be in communication with the microprocessor 103 and may complete waking up when detecting the output voltage of the plug-in wake-up and detection module 107, and may be of various types and may be more than the number of battery plug-in ports. The protocol chip 104 may be used to provide charging protocol support for the system, and the embodiment is not limited as to the model number of the protocol chip 104 and the particular protocol used. Regulated power supply 102 is an electronic device that is capable of providing a steady alternating or direct current to a load. Specifically, when the system is used for charging, an external power supply device can be firstly connected to the system through the device interface 101, the external power supply device can provide working voltage, charging voltage and the like for the system, the device interface 101 is connected to the microprocessor 103 and the protocol chip 104 through the regulated power supply 102, and therefore the power supply voltage provided by the external power supply device can be used for supplying power to the microprocessor 103 and the protocol chip 104, and the system can work normally. The microprocessor 103 may then detect, through the plug-in wake-up and detection module 107, whether a smart battery is plugged into the battery plug-in port 106 in a cyclic manner, and may take the plugged smart battery as the target smart battery and wake up it, which is not limited in the circuit form of the wake-up battery in this embodiment. Upon completion of the wake-up, the microprocessor 103 may begin reading the first battery parameters of each target smart battery, including, optionally, battery type and/or charge power, etc. On the other hand, after the wake-up is completed, the microprocessor 103 may further determine the charging power required by the corresponding target intelligent battery according to the read first battery parameter, specifically may directly read the charging power of the target intelligent battery, or may determine the corresponding charging power according to the read type of the target intelligent battery, so as to adjust the voltage raising and lowering module 105, so as to charge different types of intelligent batteries, and only needs to use one external power supply device. Each battery insertion port 106 corresponds to one loop switch 108, and when the loop switch 108 is in an on state, the target intelligent battery inserted in the corresponding battery insertion port 106 can be charged, so that the orderly charging of various target intelligent batteries can be realized by adjusting the output power of the buck-boost module 105 and the corresponding loop switch 108. The preset charging rule may include a charging sequence of each target intelligent battery, etc., specifically may be ordered according to an electric quantity of each target intelligent battery, may also be ordered according to an insertion sequence, may also be ordered according to a type and charging power, etc., and in this embodiment, the preset charging rule is not limited specifically either. In addition, the output power adjustment method of the buck-boost module 105 is not particularly limited in this embodiment.
Optionally, the microprocessor 103 is further configured to obtain charging parameters of the plurality of target intelligent batteries in real time after starting charging, determine whether the charging is completed according to the charging parameters, and stop the charging if the charging is completed, where the charging parameters include battery power. Specifically, the battery power of a certain target intelligent battery can be obtained in real time in the process of charging the target intelligent battery, when the battery power of the target intelligent battery reaches a percentage, the output power of the step-up and step-down module 105 and the corresponding loop switch 108 can be automatically adjusted according to a preset charging rule, and the next target intelligent battery can be automatically started to be charged, when the battery power of all the target intelligent batteries reaches a percentage, the completion of charging can be determined, and the charging can be stopped, specifically, all the loop switches 108 can be cut off. The charging parameters may also include, among other things, a charge flag, etc.
On the basis of the above technical solution, optionally, as shown in fig. 2, the device interface 101 is further configured to access an external powered device; accordingly, the insertion wake-up and detection module 107 is configured to detect whether a plurality of target smart batteries (such as the first target smart battery 1091 and the second target smart battery 1092 in fig. 2) are inserted into the battery insertion port 106, and wake up the plurality of target smart batteries when the plurality of target smart batteries are inserted; each battery plug-in port 106 is respectively connected with the regulated power supply 102, and output voltages provided by the various target intelligent batteries supply power to the microprocessor 103 and the protocol chip 104 through the regulated power supply 102; the microprocessor 103 is further configured to read second battery parameters of the plurality of target intelligent batteries, and adjust a maximum output power of the buck-boost module 105 and turn on the corresponding loop switch 108 according to the second battery parameters and a preset discharging rule; the protocol chip 104 is configured to obtain a required power of the external power receiving device when the external power receiving device is accessed, so that the voltage boosting and reducing module 105 discharges the external power receiving device according to the required power.
Specifically, the system can be used for discharging outwards, so that the system can be used as an intelligent mobile power supply, and the same port can be used for charging and discharging, so that the volume of equipment is reduced, wires are unified, and the system is convenient for users to use. When discharging using the system, the smart battery may be first inserted into the battery insertion port 106, and the inserted smart battery may be regarded as a target smart battery. The insertion of the target smart battery may then be detected by the insertion wake-up and detection module 107 and awakened. After the wake-up is completed, the target intelligent battery can provide working voltage, discharging voltage and the like for the system, and the battery insertion port 106 is connected to the microprocessor 103 and the protocol chip 104 through the regulated power supply 102, so that the output voltage provided by the target intelligent battery can be utilized to supply power to the microprocessor 103 and the protocol chip 104, and the system can work normally. At the same time, the microprocessor 103 may begin reading a second battery parameter of the target smart battery, optionally including the battery type and/or maximum discharge power, etc. The microprocessor 103 may then adjust the buck-boost module 105 according to the second battery parameter and the preset discharging rule to determine the maximum output power of the buck-boost module 105, specifically may first select one of the target intelligent batteries to discharge, then may determine the maximum output power of the buck-boost module 105 according to the maximum discharge power of the target intelligent battery, and simultaneously turn on the corresponding loop switch 108, thereby preparing to discharge. The preset discharging rule may include a discharging sequence of using each target intelligent battery, or the like, specifically may be ordered according to an electric quantity of each target intelligent battery, may be ordered according to an insertion sequence, may be ordered according to a type and a maximum discharging power, or the like, and is not limited in this embodiment. After the preparation is completed, whether an external power receiving device is connected or not can be detected through the device interface 101, when the external power receiving device is connected, the protocol chip 104 can acquire the required power of the external power receiving device, so that the buck-boost module 105 can discharge the external power receiving device according to the required power. When the electric quantity of the target intelligent battery in use is exhausted, the method can automatically switch to the next target intelligent battery for discharging according to a preset discharging rule, and meanwhile, the maximum output power of the voltage increasing and decreasing module 105 is determined, and the corresponding loop switch 108 is opened, so that the orderly discharging of the plurality of target intelligent batteries is realized. Meanwhile, whether the current target intelligent battery is applicable can be determined by referring to the required power of the external power receiving device, and when the required power is greater than the maximum output power of the buck-boost module 105, the target intelligent battery can be continuously switched until the required power is met. Of course, the battery management system provided in this embodiment also supports the process of charging and discharging the inserted single smart battery or a plurality of identical smart batteries.
Further optionally, the microprocessor 103 is further configured to obtain, in real time, a plurality of discharge parameters of the target smart battery after the discharge is started, and determine whether the discharge is completed according to the discharge parameters, and if so, stop the discharge, where the discharge parameters include a battery power or a battery current. Specifically, the battery power or the battery current of a certain target intelligent battery can be obtained in real time in the discharging process of the certain target intelligent battery, and when the obtained battery current is smaller than a preset current threshold or the battery power of all the target intelligent batteries is exhausted, the completion of discharging can be judged, and the discharging is stopped.
Further optionally, the microprocessor 103 is further configured to determine whether the external device is the external power supply device or the external power receiving device according to whether the port of the accessed external device has a voltage output, so as to determine to use the system to charge or discharge. Specifically, the external device may be connected to the external device in a state where no intelligent battery is inserted, and when no voltage is output from the port of the connected external device, the external device is determined to be an external power receiving device, the system is not powered and does not work, and may start discharging when the intelligent battery is inserted, and when the voltage is output from the port of the connected external device, the external device is determined to be an external power supplying device, and the microprocessor 103 completes power supply, may enter a standby state, and may start charging when the intelligent battery is inserted. The external device can be connected in a state that the intelligent battery is inserted, when the port of the connected external device has no voltage output, the external device is judged to be the external power receiving device, the microprocessor 103 finishes power supply before being connected in, the standby state can be entered, and discharge can be started when the external device is connected in, when the port of the connected external device has voltage output, the external device is judged to be the external power supply device, and then the inserted intelligent battery can be directly started to be charged.
On the basis of the above technical solution, optionally, as shown in fig. 3, the system further includes a power supply isolation circuit 111, the device interface 101 is connected to the regulated power supply 102 through the power supply isolation circuit 111, each of the battery insertion ports 106 is connected to the regulated power supply 102 through the power supply isolation circuit 111, and the power supply isolation circuit 111 is used for isolating different power supplies, where the power supplies include the external power supply device and each of the intelligent batteries. Specifically, since the system can simultaneously realize the charge and discharge functions, the microprocessor 103 can be powered by an external power supply device or its own intelligent battery, so that the situation that a plurality of power supplies are mutually charged due to different voltages may occur, and in order to avoid this phenomenon, different power supplies may be isolated by adding the power supply isolation circuit 111. The form of the power supply isolation circuit 111 is not particularly limited, either.
Based on the above technical solution, optionally, as shown in fig. 4, the system further includes a multi-option communication module 112, and the microprocessor 103 is connected to a plurality of target intelligent batteries through the multi-option communication module 112, so as to obtain the first battery parameter and the second battery parameter through the multi-option communication module 112. Specifically, when the number of the intelligent batteries used is large, better battery management can be achieved by adopting the one-for-many communication module 112, and processing time and computing resources related to the microprocessor 103 are saved.
On the basis of the above technical solution, optionally, as shown in fig. 5, the system further includes a display module 113, configured to display a standby state if power supply to the microprocessor 103 is completed and the intelligent battery is not inserted yet during the charging process, and display a charging state when a plurality of target intelligent batteries are inserted; and the device is further used for displaying a standby state if the power supply to the microprocessor 103 is completed and the external power receiving device is not connected in the discharging process, and displaying a discharging state when the external power receiving device is connected in the discharging process. Specifically, the display module 113 may be used to display various working states of the system, for example, various status lights are used to indicate the current working state of the system, and text or the like may be used to display detailed status information of each module in various states. The form of the display module is not particularly limited, either.
Based on the above technical solution, optionally, as shown in fig. 5, the system further includes a control input module 114, configured to receive the preset charging rule and the preset discharging rule that are user-defined. Specifically, the control input module 114 may include a key or a touch screen, etc., and the user may select a battery to be used from a plurality of intelligent batteries to charge or discharge through the control input module 114, or may set a complete preset charging rule and a preset discharging rule through the control input module 114, and may also control start and stop of the charging and discharging process, etc.
The battery management system provided by the embodiment of the invention comprises an equipment interface, a voltage stabilizing power supply, a microprocessor, a protocol chip, a voltage increasing and decreasing module, a plurality of intelligent batteries, a plurality of battery inserting ports, an inserting awakening and detecting module and a loop switch, wherein the inserting awakening and detecting module corresponds to the battery inserting ports one by one. The microprocessor is arranged to automatically adjust the output power of the buck-boost module according to the battery parameters of the intelligent battery inserted into the battery insertion port, and the corresponding loop switches are controlled to be opened and closed according to the preset charging rule, so that intelligent adaptation of different types of batteries is realized, the system can be used for automatically and orderly charging a plurality of different types of batteries, the space occupation of the charging equipment is reduced, the user operation is simplified, more convenience is provided for the user, and meanwhile, the cost of the charging equipment is also reduced.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. A battery management system, comprising: the intelligent battery module comprises an equipment interface, a stabilized voltage power supply, a microprocessor, a protocol chip, a buck-boost module, a plurality of types of intelligent batteries, a plurality of battery insertion ports, an insertion wake-up and detection module and a loop switch, wherein the insertion wake-up and detection module corresponds to the battery insertion ports one by one; wherein,,
the equipment interface is respectively connected with the voltage-stabilized power supply, the protocol chip and the lifting pressure module and is used for accessing external power supply equipment;
the voltage-stabilized power supply is respectively connected with the microprocessor and the protocol chip, and the power supply voltage provided by the external power supply equipment supplies power for the microprocessor and the protocol chip through the voltage-stabilized power supply;
the microprocessor is correspondingly connected to each battery insertion port through each insertion wake-up and detection module, and is used for detecting whether a plurality of target intelligent batteries in the intelligent batteries are inserted into the battery insertion ports or not and waking up the plurality of target intelligent batteries when the plurality of target intelligent batteries are inserted;
the microprocessor is also connected with the plurality of target intelligent batteries and is also used for reading first battery parameters of the plurality of target intelligent batteries;
the microprocessor is further connected with the buck-boost module and the loop switch, the buck-boost module is connected with the protocol chip and is correspondingly connected to each battery insertion port through each loop switch, and the microprocessor is further used for adjusting output power of the buck-boost module according to the first battery parameters and controlling opening and closing of each loop switch according to a preset charging rule so as to respectively charge a plurality of target intelligent batteries inserted into the battery insertion ports by using the power supply voltage.
2. The battery management system of claim 1, wherein the device interface is further configured to access an external powered device;
correspondingly, the insertion awakening and detecting module is used for detecting whether a plurality of target intelligent batteries in the intelligent batteries are inserted into the battery insertion port or not, and awakening the plurality of target intelligent batteries when the plurality of target intelligent batteries are inserted;
each battery insertion port is connected with the voltage-stabilized power supply, and output voltages provided by the multiple target intelligent batteries supply power for the microprocessor and the protocol chip through the voltage-stabilized power supply;
the microprocessor is also used for reading second battery parameters of the plurality of target intelligent batteries, adjusting the maximum output power of the voltage boosting and reducing module according to the second battery parameters and a preset discharging rule, and opening the corresponding loop switch;
and the protocol chip is used for acquiring the required power of the external power receiving equipment when the external power receiving equipment is accessed, so that the voltage boosting and reducing module discharges the external power receiving equipment according to the required power.
3. The battery management system of claim 2, further comprising a power isolation circuit through which the device interface is connected to the regulated power supply, each of the battery insertion ports being connected to the regulated power supply through the power isolation circuit, the power isolation circuit for isolating different power supplies including the external power supply device and the respective smart battery.
4. The battery management system of claim 2, wherein the microprocessor is further configured to determine whether the external device is the external power supply device or the external power receiving device based on whether a voltage output is available at a port of the external device to be connected to determine whether to charge or discharge using the system.
5. The battery management system of claim 1, wherein the microprocessor is further configured to obtain charging parameters of the plurality of target smart batteries in real time after starting charging, and determine whether the charging is completed according to the charging parameters, and if so, stop the charging, wherein the charging parameters include battery power.
6. The battery management system of claim 2, wherein the microprocessor is further configured to obtain, in real time, a plurality of discharge parameters of the target smart battery after starting the discharge, and determine whether the discharge is completed according to the discharge parameters, and if so, stop the discharge, wherein the discharge parameters include a battery level or a battery current.
7. The battery management system of claim 2, further comprising a multi-option communication module, wherein the microprocessor is coupled to a plurality of the target smart batteries via the multi-option communication module to obtain the first battery parameter and the second battery parameter via the multi-option communication module.
8. The battery management system of claim 2, further comprising a display module for displaying a standby state if power supply to the microprocessor is completed and the intelligent battery is not inserted yet, and displaying a charged state when a plurality of the target intelligent batteries are inserted during charging; and the device is also used for displaying a standby state when the power supply to the microprocessor is completed and the external power receiving equipment is not accessed in the discharging process, and displaying a discharging state when the external power receiving equipment is accessed.
9. The battery management system of claim 2, further comprising a control input module for receiving the preset charging rules and the preset discharging rules customized by a user.
10. The battery management system of claim 2, wherein the first battery parameter comprises a battery type and/or a charge power and the second battery parameter comprises a battery type and/or a maximum discharge power.
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