CN109728366A - Anti- battery block dismounting generates method, battery management system and the storage medium of electric arc - Google Patents
Anti- battery block dismounting generates method, battery management system and the storage medium of electric arc Download PDFInfo
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- CN109728366A CN109728366A CN201811629724.7A CN201811629724A CN109728366A CN 109728366 A CN109728366 A CN 109728366A CN 201811629724 A CN201811629724 A CN 201811629724A CN 109728366 A CN109728366 A CN 109728366A
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- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000010891 electric arc Methods 0.000 title claims abstract description 44
- 238000004891 communication Methods 0.000 claims abstract description 48
- 239000004065 semiconductor Substances 0.000 claims description 69
- 239000000178 monomer Substances 0.000 claims description 57
- 230000005611 electricity Effects 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000009414 blockwork Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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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 kind of methods that anti-battery block dismounting generates electric arc, wherein battery block and connector grafting, the connector and apparatus connecting, the method includes the steps: when battery block is accessed/extracted, judge whether the communication between the battery block and connector corresponds in on-line/off-line state；When determining the communication in on-line/off-line state, corresponding connection/disconnection battery block and equipment room circuit, wherein the equipment includes charging equipment and/or electrical equipment.The invention also discloses a kind of battery management system and computer readable storage mediums.The present invention solves and needs to press linked switch before dismounting cell block in the prior art to disconnect battery block and equipment room circuit, the technical problem for causing the disassembly process of battery block cumbersome, and can prevent the generation of electric arc in disassembly process.
Description
Technical field
The present invention relates to power technique fields more particularly to the dismounting of anti-battery block to generate the method for electric arc, battery management system
System and computer readable storage medium.
Background technique
At present in Portable movable energy-storage system field, battery modules are divided into one or more battery block, and in battery
It needs to increase connector among block and electrical appliance, thus easy disassembly and movement.But it when the direct dismounting cell block of user, can produce
Raw electric arc causes component, such as connector damage.User's dismounting cell block generates electric arc in order to prevent, can be at electrical appliance end
Or linkage mechanism is added in battery block end, and output or the pass of linked switch shutdown battery block are needed while pressed in dismounting cell block
Close electrical appliance.This will make the disassembly process of battery block cumbersome.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of anti-battery block dismounting generate the method for electric arc, battery management system and
Computer readable storage medium, it is intended to which solution needs to press linked switch in the prior art before dismounting cell block to disconnect battery block
With equipment room circuit, the technical problem for causing dismounting cell block process cumbersome.
To achieve the above object, the present invention provides a kind of method that anti-battery block dismounting generates electric arc, the battery blocks
With connector grafting, the connector also with apparatus connecting, the method includes the steps:
When battery block is accessed/is extracted, judge the communication between the battery block and connector whether correspond in it is online/from
Linear state；
When determining the communication in on-line/off-line state, corresponding connection/disconnection battery block and equipment room electricity
Road, wherein the equipment includes charging equipment and/or electrical equipment.
Optionally, described when battery block access, judge whether the communication between the battery block and connector corresponds to and is in
The step of presence includes:
When battery block access, the voltage that interlocking loop is corresponded to after the connection of the interlock of the connector is detected
Value；
When detecting the voltage value is 0, determine that the communication is online.
Optionally, described when battery block is extracted, judge whether the communication between the battery block and connector corresponds to and is in
The step of off-line state includes:
When the battery block is extracted, the voltage that interlocking loop is corresponded to after the connection of the interlock of the connector is detected
Value；
When detecting the voltage value not is 0, determine the communication in off-line state.
Optionally, described when determining that the communication is online, it is corresponding to be connected to the battery block and equipment room electricity
The step of road includes:
When determining that the communication is online, judge whether the battery block is in normal condition；
When determining that the battery block is in normal condition, it is connected to the battery block and the equipment room circuit.
Optionally, described to judge that the step of whether battery block is in normal condition includes:
Obtain each parameter of the battery block, wherein the parameter of the battery block include each monomer voltage, each monomer temperature,
Each monomer electric current, battery block monomer ceiling voltage, monomer minimum voltage, monomer maximum temperature, monomer minimum temperature, the battery
The state-of-charge SOC of the stagnation pressure of block and the battery block；
Judge whether each parameter whether there is all in the metal-oxide-semiconductor in corresponding preset range and built in the battery block
Failure；
When failure is not present all in the metal-oxide-semiconductor in corresponding preset range and built in the battery block in each parameter,
Determine that the battery block is in normal condition.
Optionally, the step of each parameter for obtaining the battery block includes:
Acquire each monomer voltage in the battery block, each monomer temperature and each monomer electric current；
Based on each monomer voltage, each monomer temperature and each monomer electric current, monomer highest electricity in the battery block is obtained
Pressure, monomer minimum voltage, monomer maximum temperature and monomer minimum temperature, and calculate the stagnation pressure and the battery block of the battery block
SOC.
Optionally, described when determining that the battery block is in normal condition, it is connected to the battery block and the equipment room
The step of circuit includes:
When determining that the battery block is in normal condition, it is closed the metal-oxide-semiconductor built in the battery block；
Closure metal-oxide-semiconductor signal is sent to bidirectional DC-DC converter BDC, so that the BDC receives the closure metal-oxide-semiconductor
Built-in metal-oxide-semiconductor is closed after signal, to be connected to the battery block and equipment room circuit.
Optionally, described when determining the communication in off-line state, it is corresponding to disconnect the battery block and equipment room electricity
The step of road includes:
When determining the communication in off-line state, the metal-oxide-semiconductor built in the battery block is disconnected；
Send and disconnect metal-oxide-semiconductor signal to BDC so that the BDC receive disconnect after the disconnection metal-oxide-semiconductor signal it is built-in
Metal-oxide-semiconductor, to disconnect the circuit of the battery block Yu the equipment room.
In addition, to achieve the above object, the present invention also provides a kind of battery management system, the battery management system packet
It includes: memory, processor and being stored in the computer program that can be run on the memory and on the processor, the meter
The step of anti-battery block dismounting as described above generates the method for electric arc is realized when calculation machine program is executed by the processor.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
It is stored with computer program on storage medium, anti-battery block as described above is realized when the computer program is executed by processor
Dismounting generates the step of method of electric arc.
A kind of anti-battery block dismounting that the embodiment of the present invention proposes generates method, battery management system and the computer of electric arc
Readable storage medium storing program for executing, by when battery block is accessed/extracted, judge the communication between the battery block and connector whether corresponding position
In on-line/off-line state；When determining the communication in on-line/off-line state, corresponding connection/disconnection battery block with
Equipment room circuit, wherein the equipment includes charging equipment and/or electrical equipment.To compared with prior art in dismounting cell block
It is preceding also to need to press linked switch, battery block directly can be extracted or be inserted into dismounting, and it is cumbersome to solve battery block disassembly process
The problem of, and electric arc, safe ready will not be generated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram for the method first embodiment that the anti-battery block dismounting of the present invention generates electric arc；
Fig. 3 is that the refinement process that the anti-battery block dismounting of the present invention generates step S10 in the method second embodiment of electric arc is shown
It is intended to；
Fig. 4 is that the refinement process that the anti-battery block dismounting of the present invention generates step S10 in the method 3rd embodiment of electric arc is shown
It is intended to；
Fig. 5 is that the refinement process that the anti-battery block dismounting of the present invention generates step S20 in the method fourth embodiment of electric arc is shown
It is intended to；
Fig. 6 is that the refinement process that the anti-battery block dismounting of the present invention generates step S20 in the 5th embodiment of method of electric arc is shown
It is intended to.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Please refer to Fig. 1, Fig. 1 be BMS provided by each embodiment of the present invention (Battery Management System,
Battery management system) hardware structural diagram, the BMS includes the components such as communication module 10, memory 20 and processor 30.
It will be understood by those skilled in the art that BMS shown in Fig. 1 can also include components more more or fewer than diagram, or
Combine certain components or different component layouts.Wherein, the processor 30 respectively with the memory 20 and the communication
Module 10 connects, and computer program is stored on the memory 20, under the computer program is executed by processor 30 simultaneously
The step of stating each method embodiment.
Communication module 10, can be by CAN bus (Controller Area Network, controller local area network) and outer
The connection of portion's equipment.Communication module 10 can receive external communications equipment sending request, can also broadcast transmission instruction and information extremely
The external communications equipment.The external communications equipment can be entire car controller, BDC (Bi-directionalDC-
DCConverter, bidirectional DC-DC converter), the equipment such as heat management system.
Memory 20 can be used for storing software program and various data.Memory 20 can mainly include storing program area
The storage data area and, wherein storing program area can application program needed for storage program area, at least one function (for example obtain
Take battery block parameter) etc.；Storage data area, which can be stored, uses created data or information etc. according to BMS.In addition, memory
20 may include high-speed random access memory, can also include nonvolatile memory, for example, at least a magnetic disk storage
Part, flush memory device or other volatile solid-state parts.
Processor 30 is the control centre of BMS, using the various pieces of various interfaces and the entire BMS of connection, is passed through
Operation executes the software program and/or module being stored in memory 20, and calls the data being stored in memory 20,
The various functions and processing data for executing BMS, to carry out integral monitoring to battery block.Processor 30 may include one or more
Processing unit；Preferably, processor 30 can integrate application processor and modem processor, wherein application processor is main
Processing operation system and application program etc., modem processor mainly handle communication.It is understood that above-mentioned modulation /demodulation
Processor can not also be integrated into processor 30.
It will be understood by those skilled in the art that BMS structure shown in Fig. 1 does not constitute the restriction to BMS, may include
Than illustrating more or fewer components, certain components or different component layouts are perhaps combined.
Based on above-mentioned hardware configuration, each embodiment of the method for the present invention is proposed.
Referring to Fig. 2, in the first embodiment for the method that the anti-battery block dismounting of the present invention generates electric arc, the anti-battery block
Dismounting the method for generating electric arc includes:
Step S10, when battery block is accessed/is extracted, judge communication between the battery block and connector whether corresponding position
In on-line/off-line state；
Step S20 corresponds to connection/disconnection battery block and sets when determining the communication in on-line/off-line state
Circuit between standby, wherein the equipment includes charging equipment and/or electrical equipment.
In the present solution, battery block is made of one or more single batteries, and built-in BMS, BMS can control electricity
The shutdown of built-in metal-oxide-semiconductor in the block of pond, and control heat management system are radiated and are heated to battery block.Battery block and equipment
Between circuit be by battery block and connector grafting, connector is formed with apparatus connecting again.
When battery block is inserted into connector, BMS is by judging whether the communication between battery block and connector is in threadiness
State, so that it is determined that whether battery block is completely inserted into connector.When determining the communication is to be online, then show
Battery block has been completely inserted into connector.If the communication is not in presence, show that battery block is not inserted into
In connector or it is not fully inserted into connector.After determining that battery block is completely inserted into connector, it is connected to battery block and electricity consumption
Charging circuit between the discharge loop or battery block and charging equipment of equipment room, so that battery BOB(beginning of block) is discharged or filled
Electricity.
When battery block is extracted from connector, BMS, which is judged, judges whether the communication between battery block and connector is in
Off-line state, so that it is determined that whether battery block is in from connector state of extracting.When determining that the communication is in offline shape
When state, then show that battery block is extracted from connector, if the communication is not in off-line state, shows battery block still
It is inserted into connector, there is no be in extraction state.After determining that battery block is in the extraction state from connector, from dynamic circuit breaker
The charging circuit between the discharge loop or battery block and charging equipment between battery block and electrical equipment is opened, so that battery block
It can be extracted completely in the slave connector of safety.
It should be noted that before battery block insertion connector, metal-oxide-semiconductor (the Metal Oxide built in battery block
Semiconductor, metal-oxide semiconductor fieldeffect transistor) and BDC built in metal-oxide-semiconductor be in an off state, in electricity
Pond block is inserted into during connector, and the circuit between battery block and electrical appliance or charger is to be constantly in off-state, therefore battery
Block insertion process will not generate electric arc, after battery block is fully inserted into connector, between battery block and electrical appliance or charger
Circuit automatic switching on.Metal-oxide-semiconductor (Metal Oxide of the battery block before being extracted in connector, built in battery block
Semiconductor, metal-oxide semiconductor fieldeffect transistor) and BDC built in metal-oxide-semiconductor be in connected state, in electricity
When pond block is extracted from connector, battery block and the circuit between electrical appliance or charger are to disconnect automatically, therefore battery block is extracted
Process will not generate electric arc.
The prior art generates electric arc when accessing/extract battery block in order to prevent, needs to ensure to link before accessing battery block to open
Pass has been in an off state, and is needed to press linked switch again after being inserted into connector, is connected to circuit between battery block and electrical appliance；?
It needs to disconnect linked switch before extracting battery block, to disconnect battery block and equipment room circuit.Compared with prior art, the present embodiment
By judging whether the communication between the battery block and connector corresponds in on-line/off-line shape when battery block is accessed/extracted
State；When determining the communication in on-line/off-line state, corresponding connection/disconnection battery block and equipment room circuit, institute
Stating equipment includes charging equipment and/or electrical equipment.Wherein due to being provided with communications status affirmation mechanism, so that being plugged meeting
Battery block directly and quickly can be inserted into connector after condition or be extracted from connector, and electric arc will not be generated, safety
It is simple and convenient.
Further, referring to Fig. 3, the first embodiment proposition of the method for electric arc is generated based on the anti-battery block dismounting of the application
The anti-battery block dismounting of the application generates the second embodiment of the method for electric arc, and in the present embodiment, the step S10 includes:
Step S11 detects interlock back corresponding with after the connection of the interlock of the connector when battery block access
The voltage value on road；
Step S12 determines that the communication is online when detecting the voltage value is 0.
Connector bottom is provided with interlock in this programme, after battery block is fully inserted into connector, BMS with should
Interlock can connect, and form an interlocking loop, and when interlocking loop connection, the voltage value of interlocking loop is 0, work as institute
When stating interlocking loop disconnection, the voltage value of interlocking loop is not 0.When BMS detection interlocking loop voltage value is 0, illustrate this mutually
Lock loop is in connected state, and BMS just can determine that the communication between battery block and connector has been online, i.e., electric
Pond block has been completely inserted into connector and has suffered.When detecting the interlocking loop voltage value is not 0, can determine battery block and
The communication of connector is in off-line state, illustrates that battery block is not completely inserted into connector.
Present embodiments provide battery block insertion when, it is a kind of by detection connect with the interlock of the connector after it is right
The voltage value for answering interlocking loop, judges whether battery block and connector communicate online strategy, to be connected to battery block and set
Before circuit between standby, it can judge whether battery block is fully inserted into connector, only judge that battery block is fully inserted into connector
In, it just can further be connected to the circuit of battery block and equipment room.
Further, referring to Fig. 4, the first embodiment proposition of the method for electric arc is generated based on the anti-battery block dismounting of the application
The anti-battery block dismounting of the application generates the 3rd embodiment of the method for electric arc, and in the present embodiment, the step S10 includes:
Step S13 detects interlock back corresponding with after the connection of the interlock of the connector when the battery block is extracted
The voltage value on road；
Step S14 determines the communication in off-line state when detecting the voltage value not is 0.
In the present case, devise interlock in connector bottom, after battery block is fully inserted into connector, BMS with
The interlock can connect, and form an interlocking loop, and when interlocking loop connection, the voltage value of interlocking loop is 0, when
When the interlocking loop disconnects, the voltage value of interlocking loop is not 0.When battery block is extracted from connector, BMS with patch
The connection of the interlock of part can be disconnected first, and BMS connect the interlocking loop to be formed with interlock and will disconnect, and BMS can be detected
Voltage value between the interlocking loop is not 0, and then determines that the communications status is offline, i.e. BMS determines that battery block is in and extracts
State, but the circuit of battery block and equipment room is still in connected state at this time.
It is a kind of by detecting and the interlock of the connector when present embodiments providing battery block and being extracted from connector
The voltage value that interlocking loop is corresponded to after connection, judges whether battery block and connector communicate offline strategy, thus disconnecting electricity
Before the circuit of pond block and equipment room, judge whether battery block is in the state extracted from connector, only confirmed battery block
When being in the extraction state from connector, the circuit of battery block and equipment room just can be further disconnected.
Further, referring to Fig. 5, the first embodiment proposition of the method for electric arc is generated based on the anti-battery block dismounting of the application
The anti-battery block dismounting of the application generates the fourth embodiment of the method for electric arc, and in the present embodiment, the step S20 includes:
Step S21 acquires each monomer voltage in the battery block, each list when determining that the communication is online
Temperature and each monomer electric current；
Step S22 is based on each monomer voltage, each monomer temperature and each monomer electric current, obtains single in the battery block
Body ceiling voltage, monomer minimum voltage, monomer maximum temperature and monomer minimum temperature, and calculate stagnation pressure and the institute of the battery block
State the SOC of battery block；
Whether step S23 judges each parameter all in the metal-oxide-semiconductor in corresponding preset range and built in the battery block
With the presence or absence of failure；
Step S24, when each parameter all in corresponding preset range and metal-oxide-semiconductor be not present failure when, determine described in
Battery block is in normal condition；
Step S25 is closed the metal-oxide-semiconductor built in the battery block when determining that the battery block is in normal condition；
Step S26 sends closure metal-oxide-semiconductor signal to BDC, so that the BDC is closed after receiving the closure metal-oxide-semiconductor signal
Built-in metal-oxide-semiconductor is closed, to be connected to the battery block and the equipment room circuit.
After battery block is fully inserted into connector, BMS can obtain each parameter of battery block, and judge whether each parameter is in
Whether the MOS in preset range and built in detection battery block is in normal condition, i.e. BMS can detect battery block parameter and
Metal-oxide-semiconductor built in battery block.The metal-oxide-semiconductor for obtaining battery block parameter in this programme and detecting built in battery block can carry out simultaneously,
It can also successively execute, it is not limited here.BMS can acquire each monomer voltage, electric current, temperature, and according to collected monomer
Voltage, monomer electric current, monomer temperature calculate monomer ceiling voltage and minimum voltage, monomer maximum temperature and minimum temperature, battery
Block stagnation pressure and battery block SOC (State of Charge, state-of-charge).When the monomer voltage, monomer electric current, monomer temperature,
Monomer ceiling voltage, monomer minimum voltage, monomer minimum temperature, monomer maximum temperature, battery block stagnation pressure and battery block SOC locate
In in corresponding preset range and when failure is not present in built-in metal-oxide-semiconductor, determine that battery block is in normal condition.Work as determination
When battery block is not at normal condition, BMS can issue alarm signal, and prompting battery block, there are failures, thus connecting battery block
It before equipment room circuit, performs corresponding processing, until the battery block of insertion is in normal condition.
For example, detecting that the SOC has reached 100% after being inserted into connector when battery block is to be charged
When, prompt battery block fullcharging signal can be issued, so that the battery block for re-replacing a underfill electricity charges.Work as battery block
It is when being discharged, when detecting the SOC lower than preset threshold after insertion connector, can issue prompt battery block need to fill
Electric signal, to re-replace a normal battery block.
In another example BMS can issue heat alarm, and lead to when detecting that monomer temperature is more than certain preset threshold in battery block
Know that heat management system carries out radiating treatment, until the monomer temperature of battery block drops in preset range, BMS can just be connected to battery block
With the circuit of equipment room；When detecting that monomer temperature is lower than certain preset threshold in battery block, BMS can issue supercooling signal, and
Notice heat management system is heated, and until the monomer temperature of battery block is raised in preset range, BMS can just be connected to battery
The circuit of block and equipment room.
When the battery block for determining insertion is in normal condition, BMS can be closed the metal-oxide-semiconductor built in battery block, and pass through CAN
Line and BDC are communicated, and sending closure metal-oxide-semiconductor signal can be closed in BDC after BDC receives closure metal-oxide-semiconductor signal to BDC
The metal-oxide-semiconductor set, to connect the circuit of battery block and equipment room.Wherein it is used to connect battery block when metal-oxide-semiconductor built in battery block
And connector, the metal-oxide-semiconductor built in BDC are used to connect connector and equipment.
Such as need to charge to the battery block of insertion, when determining the battery block is normal condition, it is closed battery
Charging metal-oxide-semiconductor built in block, BMS are closed by CAN bus transmission closure charging metal-oxide-semiconductor signal to BDC, BDC according to what is received
Charging metal-oxide-semiconductor signal is closed, charging metal-oxide-semiconductor built-in in BDC is closed, so that the charge circuit between battery block and charging equipment
Connection, charging equipment start to charge to battery block.In another example the battery block of insertion is to need externally electric discharge, described in determination
When battery block is normal condition, it is closed the electric discharge metal-oxide-semiconductor built in battery block, BMS sends closure electric discharge metal-oxide-semiconductor by CAN bus
To BDC, BDC's signal discharges metal-oxide-semiconductor signal according to the closure received, the electric discharge metal-oxide-semiconductor built in BDC is closed, so that electric
Pond block is connected to the discharge loop between electrical equipment, and battery BOB(beginning of block) provides electric current to electrical equipment.
It should be noted that the parameter of battery block can be also sent to BDC by BMS when determining that battery block is in normal condition,
So that BDC adjusts metal-oxide-semiconductor, to reach the charging of battery block in electric discharge or charging process or put according to the parameter
Electrical equalization prevents overcharging or overdischarging in other words.
It present embodiments provides after a kind of determining battery block is fully inserted into connector, automatic switching on battery block and equipment room electricity
The control strategy on road, thus compared with prior art after accessing battery block, can with the circuit of turn on automatically battery block and equipment room,
To make battery block work normally immediately after battery block is fully inserted into connector.
Further, referring to Fig. 6, the first embodiment proposition of the method for electric arc is generated based on the anti-battery block dismounting of the application
The anti-battery block dismounting of the application generates the 5th embodiment of the method for electric arc, in the present embodiment, the step S20 further include:
Step S27 disconnects the metal-oxide-semiconductor built in the battery block when determining the communication in off-line state；
Step S28 sends and disconnects metal-oxide-semiconductor signal to BDC, so that the BDC disconnects built-in metal-oxide-semiconductor, to disconnect institute
State the circuit of battery block Yu the equipment room.
In this case, when determining that battery block is in withdrawal process, BMS will disconnect the metal-oxide-semiconductor built in battery block, and pass through
After CAN line sends the disconnection metal-oxide-semiconductor signal that disconnection metal-oxide-semiconductor signal receives BMS transmission to BDC, BDC, it will disconnect built in BDC
Metal-oxide-semiconductor, to be disconnected the circuit of battery block and equipment room.Wherein be used to connect when metal-oxide-semiconductor built in battery block battery block and
Connector, the metal-oxide-semiconductor built in BDC are used to connect connector and equipment.
For example, needing to extract electricity after battery block has discharged completely or when battery block breaks down during discharge
Pond block.In battery block withdrawal process, the BMS of battery block and the interlock of connector are first disconnected, then the BMS meeting of battery block
Disconnect the electric discharge metal-oxide-semiconductor built in battery block, BMS is sent by CAN bus disconnects the metal-oxide-semiconductor signal that discharges to BDC, and BDC is according to connecing
The disconnection electric discharge metal-oxide-semiconductor signal received, disconnects the electric discharge metal-oxide-semiconductor built in BDC, to disconnect putting between battery block and electrical equipment
Electrical circuit, battery block can be extracted completely without generating electric arc not for load condition at this time.
In another example electricity when needing replacing other battery blocks to be charged after battery block fills with electricity or in charging process
When pond block breaks down, need to extract battery block.In battery block withdrawal process, the interlocking of the BMS and connector of battery block are filled
It sets and first disconnects, then the BMS of battery block will disconnect the charging metal-oxide-semiconductor built in battery block, and BMS, which sends to disconnect by CAN bus, to be filled
To BDC, BDC's electric metal-oxide-semiconductor signal charges metal-oxide-semiconductor signal according to the disconnection received, disconnects the charging metal-oxide-semiconductor built in BDC, thus
Disconnect the discharge loop between battery block and charging equipment, battery block is for load condition at this time, can extract completely without
Generate electric arc.
When present embodiments providing a kind of extraction battery block, the automatic control strategy for disconnecting battery block and equipment room circuit,
To which compared with prior art, the circuit of battery block and equipment room can be disconnected automatically when needing to extract battery block, with directly fast
Fast ground is extracted from connector by battery block completely.
The present invention also proposes a kind of computer readable storage medium, is stored thereon with computer program.The computer can
Reading storage medium can be the memory 20 in the server of Fig. 1, be also possible to as ROM (Read-Only Memory, it is read-only to deposit
Reservoir)/RAM (Random Access Memory, random access memory), magnetic disk, at least one of CD, the calculating
Machine readable storage medium storing program for executing includes that some instructions are used so that BMS executes method described in each embodiment of the present invention.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of method that anti-battery block dismounting generates electric arc, which is characterized in that the battery block and connector grafting, it is described to connect
Plug-in unit also with apparatus connecting, the method includes the steps:
When battery block is accessed/extracted, judge whether the communication between the battery block and connector corresponds in on-line/off-line shape
State；
When determining the communication in on-line/off-line state, corresponding connection/disconnection battery block and equipment room circuit,
Described in equipment include charging equipment and/or electrical equipment.
2. the method that anti-battery block dismounting as described in claim 1 generates electric arc, which is characterized in that described when battery block accesses
When, judge whether the communication between the battery block and connector corresponds to the step of being online and include:
When battery block access, the voltage value that interlocking loop is corresponded to after the connection of the interlock of the connector is detected；
When detecting the voltage value is 0, determine that the communication is online.
3. the method that anti-battery block dismounting as described in claim 1 generates electric arc, which is characterized in that described when battery block is extracted
When, judge whether the communication between the battery block and connector corresponds to includes: in the step of off-line state
When the battery block is extracted, the voltage value that interlocking loop is corresponded to after the connection of the interlock of the connector is detected；
When detecting the voltage value not is 0, determine the communication in off-line state.
4. the method that anti-battery block dismounting as described in claim 1 generates electric arc, which is characterized in that described described logical when determining
When letter is online, the corresponding connection battery block includes: with the step of equipment room circuit
When determining that the communication is online, judge whether the battery block is in normal condition；
When determining that the battery block is in normal condition, it is connected to the battery block and the equipment room circuit.
5. the method that anti-battery block dismounting as claimed in claim 4 generates electric arc, which is characterized in that the judgement battery
The step of whether block is in normal condition include:
Each parameter of the battery block is obtained, wherein the parameter of the battery block includes each monomer voltage, each monomer temperature, each list
Body electric current, battery block monomer ceiling voltage, monomer minimum voltage, monomer maximum temperature, monomer minimum temperature, the battery block
The state-of-charge SOC of stagnation pressure and the battery block；
It is former to judge whether each parameter whether there is all in the metal-oxide-semiconductor in corresponding preset range and built in the battery block
Barrier；
When failure is not present all in the metal-oxide-semiconductor in corresponding preset range and built in the battery block in each parameter, determine
The battery block is in normal condition.
6. the method that anti-battery block dismounting as claimed in claim 5 generates electric arc, which is characterized in that described to obtain the battery
The step of each parameter of block includes:
Acquire each monomer voltage in the battery block, each monomer temperature and each monomer electric current；
Based on each monomer voltage, each monomer temperature and each monomer electric current, monomer ceiling voltage, list in the battery block are obtained
Body minimum voltage, monomer maximum temperature and monomer minimum temperature, and calculate the stagnation pressure and the battery block of the battery block
SOC。
7. the method that anti-battery block dismounting as claimed in claim 5 generates electric arc, which is characterized in that described when the determining electricity
When pond block is in normal condition, being connected to the battery block with the step of equipment room circuit includes:
When determining that the battery block is in normal condition, it is closed the metal-oxide-semiconductor built in the battery block；
Closure metal-oxide-semiconductor signal is sent to bidirectional DC-DC converter BDC, so that the BDC receives the closure metal-oxide-semiconductor signal
It is closed built-in metal-oxide-semiconductor afterwards, to be connected to the battery block and equipment room circuit.
8. the method that anti-battery block dismounting as claimed in claim 5 generates electric arc, which is characterized in that described described logical when determining
When letter is in off-line state, the corresponding disconnection battery block includes: with the step of equipment room circuit
When determining the communication in off-line state, the metal-oxide-semiconductor built in the battery block is disconnected；
It sends and disconnects metal-oxide-semiconductor signal to BDC, so that the BDC disconnects built-in MOS after receiving the disconnection metal-oxide-semiconductor signal
Pipe, to disconnect the circuit of the battery block Yu the equipment room.
9. a kind of battery management system, which is characterized in that the battery management system includes: memory, processor and is stored in
On the memory and the computer program that can run on the processor, the computer program are executed by the processor
The step of Shi Shixian anti-battery block dismounting for example described in any item of the claim 1 to 8 generates the method for electric arc.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor such as anti-battery block dismounting described in any item of the claim 1 to 8
The step of generating the method for electric arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629724.7A CN109728366A (en) | 2018-12-28 | 2018-12-28 | Anti- battery block dismounting generates method, battery management system and the storage medium of electric arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629724.7A CN109728366A (en) | 2018-12-28 | 2018-12-28 | Anti- battery block dismounting generates method, battery management system and the storage medium of electric arc |
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| CN109728366A true CN109728366A (en) | 2019-05-07 |
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ID=66296706
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811629724.7A Pending CN109728366A (en) | 2018-12-28 | 2018-12-28 | Anti- battery block dismounting generates method, battery management system and the storage medium of electric arc |
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Cited By (1)
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| CN114530636A (en) * | 2022-01-10 | 2022-05-24 | 福建时代星云科技有限公司 | Improve basic package and battery package connection control's mobile energy storage power supply system |
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