CN104377758A - Battery switching method, battery management system and power device - Google Patents
Battery switching method, battery management system and power device Download PDFInfo
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- CN104377758A CN104377758A CN201410578309.9A CN201410578309A CN104377758A CN 104377758 A CN104377758 A CN 104377758A CN 201410578309 A CN201410578309 A CN 201410578309A CN 104377758 A CN104377758 A CN 104377758A
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- battery pack
- battery
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- pack
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Classifications
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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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
-
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
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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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
- H02J7/007186—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage obtained with the battery disconnected from the charge or discharge 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a battery switching method, a battery management system and a power device and relates to the power management technology. According to the embodiment, at least two battery packs are arranged; when the electric quantity of the battery pack supplying power to equipment currently is lower than a set level, the battery pack conforming to the priority and the required electric quality is selected according to the priority and the electric quality of all the battery packs, and the selected battery pack is switched to and used for supplying power to the equipment; as a result, the service life of batteries can be prolonged conveniently, and use by a user is facilitated.
Description
Technical field
The present invention relates to power management techniques, particularly relate to a kind of battery changing method, battery management system and supply unit.
Background technology
Day by day serious in environmental pollution, today that the energy constantly tightens, pure electric automobile becomes the new trend of industry development gradually.But the continuation of the journey of pure electric automobile and battery supply problem make Development of Electric Vehicles encounter huge obstacle.
Current electric automobile uses whole Battery pack as Power supply usually, and volume is large, and Heavy Weight, not easily changes.When dead battery capability, need special charging pile just can charge.Because the quantity of charging pile is very limited, and the whole Battery pack charging interval is long, is not easy to the use of user, and then seriously constrains the development of pure electric automobile.
Summary of the invention
The embodiment of the present invention provides a kind of battery changing method, battery management system and supply unit, so that carry out battery durable, so that user-friendly.
A kind of battery changing method, comprising:
Determine that the electricity of current battery pack of powering for equipment is lower than setting level;
From at least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement;
Being switched to selected battery pack is that described equipment is powered.
Further, the described priority according to each Battery pack group and electricity, select one group of battery pack meeting priority and electricity requirement, specifically comprise:
Determine that electricity is higher than the highest battery pack of the battery pack medium priority of setting level, for meeting the battery pack of priority and electricity requirement.
Preferably, when there is not the battery pack of electricity higher than setting level, also comprise:
Reduce described setting horizontal values.
Preferably, describedly determine that the electricity of current battery pack of powering for equipment is lower than setting level, is specially:
Determine that the output voltage of current battery pack of powering for equipment is lower than set point.
Further, described in be switched to selected battery pack be that described equipment is powered, specifically comprise:
Grouping management subsystem to current battery pack of powering for equipment sends open command, and sends to the grouping management subsystem of selected battery pack and go code.
A kind of battery management system, comprising:
Determining unit, for determining that the electricity of current battery pack of powering for equipment is lower than setting level;
Selected cell, for from least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, selects one group of battery pack meeting priority and electricity requirement;
Switch unit is that described equipment is powered for being switched to selected battery pack.
Further, described selected cell specifically for:
Determine that electricity is higher than the highest battery pack of the battery pack medium priority of setting level, for meeting the battery pack of priority and electricity requirement.
Preferably, when described selected cell determines not exist the battery pack of electricity higher than setting level, described selected cell also for:
Reduce described setting horizontal values.
Preferably, described determining unit specifically for:
Determine that the output voltage of current battery pack of powering for equipment is lower than set point.
Further, described switch unit specifically for:
Grouping management subsystem to current battery pack of powering for equipment sends open command, and sends to the grouping management subsystem of selected battery pack and go code.
A kind of supply unit, comprising:
Battery management system and at least two battery pack, wherein:
Battery management system, for determining that the electricity of current battery pack of powering for equipment is lower than setting level, from at least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement, being switched to selected battery pack is that described equipment is powered.
Further, described battery pack specifically comprises:
Battery core group, for storage of electrical energy;
Battery management subsystem, for carrying out the temperature treatment of battery, management of charging and discharging and balanced management;
Grouping management subsystem, for detecting the charge condition of battery core group and being switched on or switched off circuit according to the order of described battery management system.
Further, described battery pack specifically comprises:
Battery-pack exterior casing and battery-pack exterior casing cover plate, be arranged on the multiple battery cores in described battery-pack exterior casing, battery management subsystem and grouping management subsystem, the battery pack data-interface be connected with described grouping management subsystem and battery pack output interface.
Further, described battery pack also comprises:
Be arranged on slide rail on described battery-pack exterior casing and corresponding described slide rail and be arranged on handle on battery-pack exterior casing;
Described supply unit also comprises:
Be provided with the shell of the chute corresponding to each battery pack and battery pack data-interface, battery pack output interface, for fixing described battery management system and described battery pack.
The embodiment of the present invention provides a kind of battery changing method, battery management system and supply unit, at least two Battery pack groups are set, when the electricity of current battery pack of powering for equipment is lower than setting level, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement, and to be switched to selected battery pack be that equipment is powered, thus be convenient to carry out battery durable, convenient for users to use.
Accompanying drawing explanation
The battery changing method flow chart that Fig. 1 provides for the embodiment of the present invention;
The battery management system structural representation that Fig. 2 provides for the embodiment of the present invention;
One of power device structure schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The more concrete power device structure schematic diagram that Fig. 4 provides for the embodiment of the present invention;
One of battery pack structure schematic diagram that Fig. 5 provides for the embodiment of the present invention;
The battery core group structural representation that Fig. 6 provides for the embodiment of the present invention;
The battery pack structure schematic diagram two that Fig. 7 provides for the embodiment of the present invention;
The power device structure schematic diagram two that Fig. 8 provides for the embodiment of the present invention;
The slide rail shell mechanism schematic diagram that Fig. 9 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of battery changing method, battery management system and supply unit, at least two Battery pack groups are set, when the electricity of current battery pack of powering for equipment is lower than setting level, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement, and to be switched to selected battery pack be that equipment is powered, thus be convenient to carry out battery durable, convenient for users to use.
As shown in Figure 1, the battery changing method that the embodiment of the present invention provides, comprising:
Step S101, determine that the electricity of current battery pack of powering for equipment is lower than setting level;
Step S102, from least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement;
Step S103, to be switched to selected battery pack be that equipment is powered.
The method is applicable to the power supply of electric motor car, also can be applied on miscellaneous equipment.
By this changing method, use independently battery pack to power for equipment, other battery pack does not participate in power supply.After a battery power discharge completes, more battery-powered by the next one, each battery pack can be discharged completely in a discharge cycles, greatly improves the utilance of battery, reduces charge and discharge cycles, thus improves the life-span of battery.
Each battery pack all can be charged separately, not by the impact of other battery electric quantity, is convenient to user and charges, further, can also be demountable form by each cell stack designs, each battery pack can be taken out and be charged, and is more convenient for the use of user.
For improving the experience of user further, in step S102, according to priority and the electricity of each Battery pack group, selecting one group of battery pack meeting priority and electricity requirement, specifically comprising:
Determine that electricity is higher than the highest battery pack of the battery pack medium priority of setting level, for meeting the battery pack of priority and electricity requirement.
When the equal electricity of all battery pack is not enough, for avoiding user can not use completely, the method also comprises:
When there is not the battery pack of electricity higher than setting level, reduce setting horizontal values.
After the setting level of electricity reduces, the electricity of each battery pack has all exceeded new setting level, can continue use equipment.
When reducing the numerical value of setting level, can carry out according to certain gradient, also can once be reduced to lower numerical value.
In step S101, determine that the electricity of current battery pack of powering for equipment is lower than setting level, can be specially:
Determine that the output voltage of current battery pack of powering for equipment is lower than set point.Certainly, whether those skilled in the art also can with reference to the electricity of other parameter determination battery pack lower than setting levels.
Further, in step S103, being switched to selected battery pack is that equipment is powered, and specifically comprises:
Grouping management subsystem to current battery pack of powering for equipment sends open command, and sends to the grouping management subsystem of selected battery pack and go code.
Grouping management subsystem can be arranged on battery management system side, also can be arranged in battery pack, and for ease of managing battery pack, grouping management subsystem is arranged in battery pack better.
The battery management subsystem carrying out temperature treatment, management of charging and discharging and balanced management is also provided with, so that user carries out maintenance management to each battery pack respectively in battery pack.
The embodiment of the present invention is also corresponding provides a kind of battery management system, as shown in Figure 2, comprising:
Determining unit 201, for determining that the electricity of current battery pack of powering for equipment is lower than setting level;
Selected cell 202, for from least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, selects one group of battery pack meeting priority and electricity requirement;
Switch unit 203 is that equipment is powered for being switched to selected battery pack.
Wherein, selected cell 202 specifically for:
Determine that electricity is higher than the highest battery pack of the battery pack medium priority of setting level, for meeting the battery pack of priority and electricity requirement.
For being convenient to the use of user further, when selected cell 202 determines not exist the battery pack of electricity higher than setting level, selected cell 202 also for:
Reduce setting horizontal values.
Further, determining unit 201 specifically for:
Determine that the output voltage of current battery pack of powering for equipment is lower than set point.
Further, switch unit 203 specifically for:
Grouping management subsystem to current battery pack of powering for equipment sends open command, and sends to the grouping management subsystem of selected battery pack and go code.
The embodiment of the present invention also provides a kind of supply unit, as shown in Figure 3, comprising:
Battery management system 301 and at least two battery pack 302, wherein:
Battery management system 301, for determining that the electricity of current battery pack 302 of powering for equipment is lower than setting level, from at least one Battery pack group 302 for subsequent use, according to priority and the electricity of each Battery pack group 302, select one group of battery pack 302 meeting priority and electricity requirement, being switched to selected battery pack 302 for equipment powers.
Further, as shown in Figure 4, battery pack 302 specifically comprises:
Battery core group 3021, for storage of electrical energy;
Battery management subsystem 3022, for carrying out the temperature treatment of battery, management of charging and discharging and balanced management;
Grouping management subsystem 3023, for detecting the charge condition of battery core group and being switched on or switched off circuit according to the order of battery management system.
Further, as shown in Figure 5, battery management subsystem 3022 can comprise temperature management module, electric discharge administration module, charge management module, balanced management module further, and the realization of the function that each module is concrete, to be well known to those skilled in the art, does not repeat them here; Grouping management subsystem 3023 can comprise current detection circuit, MOS switching circuit and relay further.
Current detection circuit is used for detecting the operating current of battery pack, and these data are transferred to divided battery management system, the battery core group state that battery management system transmits according to battery management subsystem and the operating current that the transmission of operating current testing circuit comes, determine that whether the electricity of this battery pack is lower than setting level.
As shown in Figure 6, then battery core group is cascaded after can carrying out parallel connection by 2 or multiple battery core, also directly can be connected by single battery core, A1, A2, A3 port connects the electric discharge administration module of battery management subsystem 3022, charge management module and balanced management module; T1, T2, T3, T4 port connects the temperature management module of battery management subsystem 3022.
Such as, battery core group can by 3 battery core parallel connections, and 4 modules after parallel connection are connected again.By both positive and negative polarity by delivery of electrical energy to battery management subsystem.As shown in Figure 6, battery management subsystem is by data wire A1, and A2, A3 read the voltage often organizing batteries in parallel connection, export T1 by temperature sensor, and T2, T3, T4 read the temperature often organizing battery core in parallel simultaneously.The state of battery core group is directly transferred to divided battery management system by RS485 data path by battery management subsystem.The electric energy of battery core group then needs by connecting battery management system after grouping management subsystem.
As shown in Figure 7, battery pack 302 specifically comprises:
Battery-pack exterior casing 4 and battery-pack exterior casing cover plate 5, be arranged on the multiple battery cores 7 in battery-pack exterior casing 4, battery management subsystem 8 and grouping management subsystem 9, the battery pack data-interface 10 be connected with grouping management subsystem 9 and battery pack output interface 11.
Battery core 7 is carried out and after series connection, by support and being bolted in battery-pack exterior casing 4.Battery management subsystem 8 and grouping management subsystem 9 are bolted in battery-pack exterior casing 4, battery pack data-interface 10 and battery pack output interface 11 are bolted on bottom battery-pack exterior casing 4, and battery-pack exterior casing cover plate 5 is bolted on battery-pack exterior casing 4 front.
Battery pack is dismantled for ease of user, supply unit can be designed as structure as shown in Figure 8, comprise battery pack 1, slide rail shell 2 and battery management system 3, battery pack can be installed in slide rail shell by slide rail, and battery management system can be bolted on slide rail enclosure.Now, as shown in Figure 7, battery pack also comprises:
Be arranged on slide rail 12 on battery-pack exterior casing and corresponding slide rail and be arranged on handle 6 on battery-pack exterior casing.Slide rail 12 can be bolted on battery-pack exterior casing 4 both sides, and handle 6 is bolted on battery-pack exterior casing 4 top.
As shown in Figure 9, slide rail shell 2 is provided with the chute 14 corresponding to each battery pack and battery pack data-interface 15, battery pack output interface 14.Chute fixed by slide rail shell 2 inner side bolt, and battery pack data-interface 15, battery pack output interface 14 are bolted on bottom slide rail shell 2.
When power down state, the MOS switching circuit in the grouping management subsystem of all battery pack and relay are all in off-state.When after startup power supply, first battery management system detects the state of each battery pack, if all battery state are all normal, the battery pack 1 then starting priority the highest carries out work, battery management system is when starting battery pack 1 and working, and first control relay closes, and then control MOS switching circuit is connected, now, start-up course completes.Battery pack 1 is in running order, and other battery pack is in off-state.
When the energy of battery pack 1 is about to exhaust, battery management system reads the voltage of battery pack 1 lower than set point, first closes battery pack 1, then starts priority time high battery pack 2 and carries out work.Battery management system is when switching battery pack 1 to battery pack 2 and working, first the MOS switching circuit controlled in battery pack 1 in grouping management subsystem disconnects, then the relay closes in battery pack 2 in grouping management subsystem is controlled, the MOS switching circuit controlled again in battery pack 2 is connected, and the relay in last control battery group 1 disconnects.Now handoff procedure completes, and battery pack 2 is in running order, and other battery pack is in off-state.
When battery pack 2 electricity is not enough, follow-up handoff procedure is identical, until switch to last battery pack.
When each battery pack power exhausts, charging can be taken off after equipment is out of service.
As shown in Figure 5, battery core is carried out and after series connection, by support and being bolted in battery-pack exterior casing.Battery management subsystem and grouping management subsystem are bolted in battery-pack exterior casing, battery pack data-interface and battery pack output interface are bolted on bottom battery-pack exterior casing, slide rail is bolted on battery-pack exterior casing both sides, handle is bolted on battery-pack exterior casing top, and battery-pack exterior casing cover plate is bolted on battery-pack exterior casing front.
As shown in Figure 6, this slide rail fixed by slide rail enclosure side bolt, and battery interface and data-interface are bolted on slide rail outer casing bottom.
The embodiment of the present invention provides a kind of battery changing method, battery management system and supply unit, at least two Battery pack groups are set, when the electricity of current battery pack of powering for equipment is lower than setting level, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement, and to be switched to selected battery pack be that equipment is powered, thus be convenient to carry out battery durable, convenient for users to use.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. a battery changing method, is characterized in that, comprising:
Determine that the electricity of current battery pack of powering for equipment is lower than setting level;
From at least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement;
Being switched to selected battery pack is that described equipment is powered.
2. the method for claim 1, is characterized in that, the described priority according to each Battery pack group and electricity, selects one group of battery pack meeting priority and electricity requirement, specifically comprises:
Determine that electricity is higher than the highest battery pack of the battery pack medium priority of setting level, for meeting the battery pack of priority and electricity requirement.
3. method as claimed in claim 2, is characterized in that, when there is not the battery pack of electricity higher than setting level, also comprises:
Reduce described setting horizontal values.
4. the method for claim 1, is characterized in that, describedly determines that the electricity of current battery pack of powering for equipment is lower than setting level, is specially:
Determine that the output voltage of current battery pack of powering for equipment is lower than set point.
5. the method for claim 1, is characterized in that, described in be switched to selected battery pack be that described equipment is powered, specifically comprise:
Grouping management subsystem to current battery pack of powering for equipment sends open command, and sends to the grouping management subsystem of selected battery pack and go code.
6. a battery management system, is characterized in that, comprising:
Determining unit, for determining that the electricity of current battery pack of powering for equipment is lower than setting level;
Selected cell, for from least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, selects one group of battery pack meeting priority and electricity requirement;
Switch unit is that described equipment is powered for being switched to selected battery pack.
7. system as claimed in claim 6, is characterized in that, described selected cell specifically for:
Determine that electricity is higher than the highest battery pack of the battery pack medium priority of setting level, for meeting the battery pack of priority and electricity requirement.
8. system as claimed in claim 7, is characterized in that, when described selected cell determines not exist the battery pack of electricity higher than setting level, described selected cell also for:
Reduce described setting horizontal values.
9. system as claimed in claim 6, is characterized in that, described determining unit specifically for:
Determine that the output voltage of current battery pack of powering for equipment is lower than set point.
10. system as claimed in claim 6, is characterized in that, described switch unit specifically for:
Grouping management subsystem to current battery pack of powering for equipment sends open command, and sends to the grouping management subsystem of selected battery pack and go code.
11. 1 kinds of supply units, is characterized in that, comprising:
Battery management system and at least two battery pack, wherein:
Battery management system, for determining that the electricity of current battery pack of powering for equipment is lower than setting level, from at least one Battery pack group for subsequent use, according to priority and the electricity of each Battery pack group, select one group of battery pack meeting priority and electricity requirement, being switched to selected battery pack is that described equipment is powered.
12. supply units as claimed in claim 11, it is characterized in that, described battery pack specifically comprises:
Battery core group, for storage of electrical energy;
Battery management subsystem, for carrying out the temperature treatment of battery, management of charging and discharging and balanced management;
Grouping management subsystem, for detecting the charge condition of battery core group and being switched on or switched off circuit according to the order of described battery management system.
13. supply units as claimed in claim 11, it is characterized in that, described battery pack specifically comprises:
Battery-pack exterior casing and battery-pack exterior casing cover plate, be arranged on the multiple battery cores in described battery-pack exterior casing, battery management subsystem and grouping management subsystem, the battery pack data-interface be connected with described grouping management subsystem and battery pack output interface.
14. supply units as claimed in claim 13, it is characterized in that, described battery pack also comprises:
Be arranged on slide rail on described battery-pack exterior casing and corresponding described slide rail and be arranged on handle on battery-pack exterior casing;
Described supply unit also comprises:
Be provided with the shell of the chute corresponding to each battery pack and battery pack data-interface, battery pack output interface, for fixing described battery management system and described battery pack.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578309.9A CN104377758A (en) | 2014-10-24 | 2014-10-24 | Battery switching method, battery management system and power device |
| PCT/CN2015/083539 WO2016062121A1 (en) | 2014-10-24 | 2015-07-08 | Battery switching method, battery management system and power supply device |
| PCT/CN2015/092772 WO2016062284A1 (en) | 2014-10-24 | 2015-10-23 | Devices, systems and methods for providing vehicle power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578309.9A CN104377758A (en) | 2014-10-24 | 2014-10-24 | Battery switching method, battery management system and power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104377758A true CN104377758A (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410578309.9A Pending CN104377758A (en) | 2014-10-24 | 2014-10-24 | Battery switching method, battery management system and power device |
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| Country | Link |
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| CN (1) | CN104377758A (en) |
| WO (2) | WO2016062121A1 (en) |
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| WO2016062121A1 (en) * | 2014-10-24 | 2016-04-28 | 北京凌云智能科技有限公司 | Battery switching method, battery management system and power supply device |
| CN105098896A (en) * | 2015-07-29 | 2015-11-25 | 中国联合网络通信集团有限公司 | Parallel connection method and apparatus for storage batteries, and electronic device |
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| WO2017024883A1 (en) * | 2015-08-11 | 2017-02-16 | 中兴通讯股份有限公司 | Method and apparatus for implementing charge and discharge control |
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| CN105870520A (en) * | 2016-04-26 | 2016-08-17 | 东莞新能德科技有限公司 | Control method, device and system of lithium battery |
| CN105870520B (en) * | 2016-04-26 | 2019-03-19 | 东莞新能德科技有限公司 | The control method of lithium battery, apparatus and system |
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| CN106026369A (en) * | 2016-07-26 | 2016-10-12 | 武汉百络优物联科技有限公司 | Scene panel |
| CN107666174A (en) * | 2016-07-28 | 2018-02-06 | 大唐终端技术有限公司 | A kind of double cell control system and method |
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| WO2018192224A1 (en) * | 2017-04-17 | 2018-10-25 | 北京凌云智能科技有限公司 | Battery switching method and apparatus, and switching system and method for power supply circuit |
| CN107253509A (en) * | 2017-06-26 | 2017-10-17 | 深圳前海优时科技有限公司 | A kind of power assist vehicle method of supplying power to of use multi-unit battery module |
| CN109591598A (en) * | 2018-10-26 | 2019-04-09 | 南京中欧威能新能源动力系统有限公司 | A kind of new-energy automobile adds stored energy mechanism and application method |
| CN111555393A (en) * | 2020-05-19 | 2020-08-18 | 格力博(江苏)股份有限公司 | Multi-battery pack management device, control method and electric tool |
| CN112448451A (en) * | 2020-11-16 | 2021-03-05 | 山东圣阳电源股份有限公司 | Weak power supply method and device for battery pack management system and battery pack management system |
| CN112448451B (en) * | 2020-11-16 | 2022-08-02 | 山东圣阳电源股份有限公司 | Weak power supply method and device for battery pack management system and battery pack management system |
| CN112644283A (en) * | 2020-12-15 | 2021-04-13 | 神华铁路装备有限责任公司 | Vehicle-mounted gateway power management system and 25t axle weight aluminum alloy coal hopper car |
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| CN114506246A (en) * | 2022-03-15 | 2022-05-17 | 厦门金龙联合汽车工业有限公司 | Time-sharing control method for power battery power conversion system of electric automobile |
| CN114506246B (en) * | 2022-03-15 | 2023-04-18 | 厦门金龙联合汽车工业有限公司 | Time-sharing control method of power battery power conversion system of electric automobile |
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| WO2016062284A1 (en) | 2016-04-28 |
| WO2016062121A1 (en) | 2016-04-28 |
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