CN109361229A - A kind of Battery formation partial volume and detection system - Google Patents
A kind of Battery formation partial volume and detection system Download PDFInfo
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- CN109361229A CN109361229A CN201811576639.9A CN201811576639A CN109361229A CN 109361229 A CN109361229 A CN 109361229A CN 201811576639 A CN201811576639 A CN 201811576639A CN 109361229 A CN109361229 A CN 109361229A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 33
- 238000004146 energy storage Methods 0.000 claims abstract description 51
- 230000005611 electricity Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 abstract description 34
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000013589 supplement Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
-
- 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
- H02J9/062—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 AC powered loads
- H02J9/065—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 AC powered loads for lighting purposes
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of Battery formation partial volume and detection system, including plant area's load, emergency load and emergency lighting, energy-storage units, Battery formation partial volume detection unit, middle-position machine control unit, upper computer control system；The energy-storage units include: exchange input switch, direct current output switch, cell switch, two-way AC/DC converter, energy storage battery group, DC bus I；The present invention uses power energy storage technology to combine two-way DC/DC converter for core technology, it is designed to the system integration scheme of exchange energy between lithium battery and lithium battery, complete formation of Li-ion batteries, charge and discharge process required for partial volume and detection, the system is not only environmentally protective, energy saving 85% or more, but also it can use the peak load shifting strategy that energy-storage units realize electric energy time-of-use tariffs, it is truly realized the daily investment not only saved electric energy but also save producing cost, it is equipped with energy storage battery group simultaneously, there is certain charging time, exchange power loss whithin a period of time will not have any impact to production, further decrease rejection rate.
Description
Technical field
The present invention relates to battery production manufacturing technology fields, more specifically, are especially for combining power energy storage
And exchange energy principle completes the forming and capacity dividing of power battery and a kind of Battery formation partial volume and detection system of assessment detection.
Background technique
Battery production manufacturing technology includes the production of the pole piece of front end, the production of middle-end battery core, the activation of rear end detection electricity
The processes such as pond assembling, chemical conversion, partial volume and the detection of battery are belonged to battery production back-end manufacturing techniques, need to be completed using electric energy
The process of battery charging and discharging: chemical conversion is that inside battery is activated by electric energy, partial volume be to the battery activated into
The charge and discharge cycles process of row at full capacity, detection need further to fill the finished product of factory including the power battery that echelon utilizes
Discharge cycles process.
Current driving force battery production enterprise is mainly divided to energy consumption type and feedback type two in terms of chemical conversion, partial volume and detection system
Kind, energy consumption type is converted to heat using resistance and consumes, this portion of energy is not only upper without utilizing, but also can make environment space temperature
Degree steeply rises and increases the investment of cooling system, and power consumption also rises with it.The technology that feedback type generallys use is charging
Process provides energy source using alternating current, and discharge process is then the section by way of flowing back to DC inversion conclusion of the business and being fed to power grid
About about 40% or so energy, but feedback type needs to rely on power grid policy, the energy of saving cannot utilize well；Separately
Outside, the failures such as exchange power loss, emergency stop valve trip can be inevitably encountered in process of production, because of the charge-discharge energy demand of battery production
Very big, the exchange accident in battery partial volume detection process not will cause big influence generally, connect originally after accident recovery
Work step operation, and the formation of SEI film certainly will be will affect if there is exchange accident in the chemical conversion stage, make the electricity produced
Pond internal resistance, cycle life, calendar life can all be affected, and may generate a collection of waste product if serious.
In view of above-mentioned disadvantage, existing technical staff is researching and developing in such similar field.
Summary of the invention
In view of the above drawbacks of the prior art and problem, the technical problems to be solved by the present invention are: providing a kind of battery
Forming and capacity dividing and detection system realize lithium battery in conjunction with using two-way DC/DC module as core technology using power energy storage technology
Between lithium battery, the Battery formation partial volume and detection system of energy-efficient exchange energy are completed.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of Battery formation partial volume and detection system, including plant area's load, emergency load and emergency lighting, energy-storage units,
Battery formation partial volume detection unit, middle-position machine control unit, upper computer control system；
The energy-storage units include: exchange input switch, direct current output switch, cell switch, two-way AC/DC converter,
Energy storage battery group, DC bus I；
Battery formation partial volume detection unit includes: I grades of two-way DC/DC converters, the two-way DC/DC change of DC bus II, II grade
Parallel operation, battery；
Middle-position machine control unit includes an at least middle-position machine control device；
The energy-storage units exchange input switch input terminal connects AC network, and energy-storage units exchange input switch output end
Plant area's load and at least one set of two-way AC/DC converter are connected, it is defeated that two-way AC/DC converter forward direction output end passes through direct current respectively
Switch connection cell switch, DC bus I, emergency load and emergency lighting out, cell switch connect energy storage battery group, and the DC is female
Line I is at least connected with the positive input of one I grades two-way DC/DC converters, and I grades of two-way DC/DC converter forward direction output ends are extremely
Two II grades of two-way DC/DC converters are connected less, and every II grades two-way DC/DC converters are to be measured by one group of DC bus II connection
Battery；
The Battery formation partial volume detection unit is connected to middle-position machine control unit by CAN bus, and middle-position machine control is single
Member is connected to upper computer control system by Ethernet, receives the instruction of upper computer control system.
In above-mentioned technical proposal, one group of two-way AC/DC converter includes at least one or more two-way AC/DC transformation
Device is connected by parallel way.
In above-mentioned technical proposal, one group of two-way AC/DC converter includes that at least one set of battery to be measured passes through parallel connection
Mode connects.
In above-mentioned technical proposal, the middle-position machine control unit includes that an at least middle-position machine control device forms, and every
Middle-position machine control device by CAN net at least one only reach more than the two-way DC/DC converter of II grade connect and realize under order
Hair and information collection.
In above-mentioned technical proposal, the upper computer control system is that may operate in operating system on any computer,
The application software developed for Battery formation partial volume and detection function, every host computer are single by Ethernet and middle-position machine control
Member connects and realizes that order issues and information collection, while having the information such as data, state concurrently and showing, store, calculate, analyze
Function.
The present invention uses power energy storage technology to combine two-way DC/DC converter for core technology, is designed to lithium battery and lithium
The system integration scheme of exchange energy between battery, charge and discharge process required for completing formation of Li-ion batteries, partial volume and detecting, should
System is not only environmentally protective, energy saving 85% or more, but also can use energy-storage units and realize cutting for electric energy time-of-use tariffs
Peak load strategy is truly realized the daily investment not only saved electric energy but also save producing cost, while being equipped with energy storage battery group, has
Certain charging time, exchange power loss whithin a period of time will not have any impact to production, further decrease rejection rate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of invention.
Wherein: plant area's load 1, emergency load and emergency lighting 2, battery to be measured 3, exchange input switch 31, direct current are defeated
Switch 32, cell switch 33, two-way AC/DC converter 34, energy storage battery group 35, DC bus I 36, Battery formation partial volume out
Detection unit 5, I grades of two-way DC/DC converters 41, DC bus II 42, II grades of two-way DC/DC converters 43, battery 44, middle positions
Machine control unit 5, upper computer control system 6.
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
According to Fig. 1, it is as a kind of Battery formation partial volume and detection system, the technical program shown in embodiment
Elaboration for system structure hardware or module, including it is plant area's load, emergency load and emergency lighting, energy-storage units, battery
At partial volume detection unit, middle-position machine control unit, upper computer control system；
The energy-storage units include: exchange input switch, direct current output switch, cell switch, two-way AC/DC converter,
I.e. two-way AC220V/DC220V converter, energy storage battery group, DC bus I；
Battery formation partial volume detection unit includes: I grades of two-way DC/DC converters, i.e., two-way DC220V/DC12V converter,
The two-way DC/DC converter of DC bus II, II grade, that is, two-way DC12V/DC5V converter, battery；
Middle-position machine control unit includes that an at least middle-position machine control device composition, every middle-position machine control device passes through
CAN net at least one only reach more than the two-way DC/DC converter of II grade connect and realize that order issues and information collection.
Upper computer control system is that may operate in operating system on any computer, for Battery formation partial volume and inspection
Brake and the application software developed, every host computer connect with middle-position machine control unit by Ethernet and realize that order issues
And information collection, information collection are the data packet for receiving all middle-position machines and returning, and parse and obtain middle-position machine location information；Together
When have information data to all acquisitions concurrently, if operation data recorded, calculate, arrange, store, analyze, to handled
Object is according to rule classification, screening.
Order includes charging for monocell, the control of working procedure states and the specific charge or discharge such as discharge, shelve
The simulations control such as voltage and current.For Battery formation, partial volume or the work step of detection process, belong to the prior art, this field skill
Art personnel and programming personnel's establishing criteria file realize establishment control software, realize upper computer control system control all process steps fortune
Row is completed.
The energy-storage units exchange input switch input terminal connects AC network, and energy-storage units exchange input switch output end
It connects plant area's load and one group or several or at least two is connected in parallel two-way AC/DC converter, one group of two-way AC/DC converter
Refer to that at least two two-way AC/DC converters are connected in parallel composition, it is defeated that two-way AC/DC converter forward direction output end passes through direct current respectively
Switch connection cell switch, DC bus I, emergency load and emergency lighting out, cell switch connect energy storage battery group, and the DC is female
Line I is at least connected with that several or at least two by the positive input of the two-way DC/DC converter of I grade being connected in parallel, and I grades two-way
DC/DC converter forward direction output end is at least connected with several or at least two two-way DC/DC converters of II grade being connected in parallel, and every
II grades of two-way DC/DC converters pass through one group or one battery to be measured of DC bus II connection；Every II grades two-way DC/DC become
Parallel operation is equivalent to be a slave computer, connect with middle-position machine control unit.
The Battery formation partial volume detection unit is connected to middle-position machine control list by CAN bus or other communication buses
Member, middle-position machine control unit are connected to upper computer control system by Ethernet, receive the instruction of upper computer control system.
System running policy of the invention:
1, when alternate current operation is normal, energy storage battery completes peak load shifting, saves the electricity price expense that time-of-use tariffs generate；Together
When energy storage battery group play the role of reservoir, absorb or supplement in Battery formation partial volume and detection process energy between battery at any time
It is unbalanced that amount exchanges the energy generated.
2, battery is in the charge and discharge process in the production process of chemical conversion, partial volume, detection, and definition: the battery being full of is known as
The battery of one state, a part of power shortage is known as " 0 " state.
It is one state that first a part of battery, which is full of, and the number of batteries of " 0 " state battery and one state usually accounts for respectively
The half of system battery sum, one state battery give " 0 " state battery to charge simultaneously by self-discharge, until " 0 " state electricity
Pond is fully charged to become one state, and one state battery electricity of giving out light becomes " 0 " state, and the exchange energy by several charge and discharge follows
Ring, to achieve the purpose that chemical conversion, partial volume, detection, because very little is lost in exchange energy between battery, energy storage battery group is played
The effect of a small amount of energy is supplemented, energy storage battery group major part energy is in standby electricity condition.
3, due to various exchange accidents, when generating exchange power loss, energy storage battery group can play the role of backup power source,
It is unbalanced by absorbing or supplementing in Battery formation partial volume and detection process the energy that exchange energy generates between battery at any time, it can be with
Continue to power to plant area's load by two-way AC/DC converter, while guaranteeing that battery is raw to emergency load and emergency lighting power supply
The emergency and emergency lighting of the uninterrupted reliability service and plant area that produce.
Embodiment 1: purpose is to realize peak load shifting:
For power cost saving, the purpose of power cost saving is realized by the difference of time-of-use tariffs, general time-of-use tariffs are by 24
Hourly average is divided into three phases, electricity price valley section, electricity price level values section, electricity price peak segment is set as, in electricity price valley section, power grid
For supply side, energy storage battery group energy storage；In electricity price level values section, power grid is supply side, and energy storage battery group is for electricity condition；In electricity
Valence peak segment, energy storage battery group are that all loads are powered by electric discharge.
Implementation steps are as follows:
The first step, electricity price valley section, power grid are powered to plant area's load, are two-way AC/DC transformation by exchange input switch
Device provides power supply, and two-way AC/DC converter is switched by direct current output, cell switch charges to energy storage battery group, leads to simultaneously
Cross direct current output switch, DC bus I is that Battery formation partial volume and detection unit are powered；
Second step, electricity price level values section, power grid are powered to plant area's load, while being become by exchange input switch, two-way AC/DC
Parallel operation, direct current output switch, DC bus I are that Battery formation partial volume and detection unit are powered, and energy storage battery group is for electricity condition；
Third step, electricity price peak segment disconnect exchange input switch, pass through cell switch, DC bus by energy storage battery group
I, direct current output switch, two-way AC/DC converter are powered to plant area's load, while being battery by cell switch, DC bus I
It powers at partial volume and detection unit.
Embodiment 2, it is therefore intended that realize exchange energy:
Battery formation, partial volume and detection process use intelligent coordination control, when work by adjusting each charge-discharge modules
Between, operating mode, make as far as possible each charge-discharge modules charging gross energy be equal to electric discharge gross energy, it then follows the control of energy balance
Strategy flows most electric energy only between DC bus and tested battery, when only electric energy is unbalanced in system, just needs
It to supplement, or be temporarily stored in energy storage battery group from energy storage battery group.
Implementation steps are as follows:
The first step matches corresponding technique stream according to the control strategy of energy balance in upper computer control system
Journey selects the process flow of scientific and reasonable chemical conversion, partial volume and detection, definition: 1# technique contains following work step: shelving, fills
Electricity is shelved, is discharged, shelving, and then repeats the above cycle charge-discharge several times；0# technique, as far as possible using 1# technique electric discharge when
Between make 0# technique charge, 1# technique charging time make 0# technique discharge, by the charge-discharge energy in cell production process in DC
It is recycled in bus II system；
Mesuring battary is divided into two groups of batteries, battery 1 according to the mesuring battary quantity under DC bus II by second step
0 group of group, battery, the 1 group of execution 1# process flow of all batteries, the 0 group of execution 0# process flow of all batteries.
Order is executed in upper computer control system starting, which passes through Ethernet, middle-position machine control device, CAN net will
Order is issued to II grades of two-way DC/DC converters, and II grades of two-way DC/DC converters are run by order request；
Third step, since the mode for charging, discharging not can guarantee, completion is consistent, and two-stage bidirectional DC/DC converter also has energy
Amount loss, has a little energy fluctuation in system, and in system operation, extra energy passes through the two-way DC/ of DC bus I, I grade
Into energy storage battery group, insufficient energy passes through DC bus II, double by energy storage battery group for DC converter, DC bus II storage
It is provided to I grades of DC/DC converter two-way DC/DC converters, DC bus I.
4th step in system operation, after electric energy is completed to exchange, repeats progress in accordance with process flow and next time can
Amount is exchanged, and makes electric energy by II grades of two-way DC/DC converters, the two-way DC/DC converter of DC bus II, II grade, tested at two groups
It is circulated between battery, until completing formation and testing.
The difference of exchange energy type and energy consumption type is that the energy of battery discharge is recycled or directly by resistance consumption
Fall.Electricity when exchange energy type is battery discharge by charging after II grades of two-way DC/DC converters, DC bus II recycling to needs
Pond charging, therefore, the electric energy of saving should consider the efficiency (generally 90% or more), line loss of II grades of two-way DC/DC converters
And other losses, so exchange energy type answers 85% or more energy conservation.
Embodiment 3, it is therefore intended that realize emergency and standby electricity:
Failures, the energy storage battery groups such as exchange power loss, emergency stop valve trip is encountered in process of production to pass through as backup power source
Two-way AC/DC converter supplements battery production exchange energy to power supplies such as plant area's load, emergency load, emergency lightings simultaneously
The consumption of energy in the process guarantees the uninterrupted operation of cell production process chemical conversion, partial volume and detection.
Implementation steps are as follows:
The first step encounters the failures such as exchange power loss, emergency stop valve trip in process of production；
Second step, energy storage battery group pass through cell switch, DC bus I, direct current output switch, two-way AC/DC converter
It is reverse into exchange to power to plant area's load, battery voltage drops to protection value, cuts off all loads；
Third step, simultaneously with second step, energy storage battery play the effect of emergency power supply, negative to emergency by cell switch
Lotus power supply, such as plant area's monitoring, fire-fighting etc., while starting accident emergency illumination, avoid unnecessary loss and accident from occurring；
4th step, simultaneously with second step, third step, energy storage battery group are converted yet by the two-way DC/DC of DC bus I, I grade
Energy is unbalanced in device, DC bus II performance absorption or supplement production process, goes on smoothly battery production；
5th step when battery group capacity is lower than 50%, cuts off all plant area's loads if exchange time of casualty is very long,
Ensure the completion of chemical synthesis technology process；
6th step, after AC fault restores, emergency load, emergency lighting stop working, and exchange as main power supply, are
Plant area's load, the power supply of two-way AC/DC converter, two-way AC/DC converter charge to energy storage battery, into normal work shape
State.
For the control software that this system may relate to, the emphasis that not this case technical solution is protected, this patent
The composition connection relationship that its module is protected in the design for whole system framework is focused on, the control software being related to, according to this
The function that the control system for the host computer that patent is illustrated has, those skilled in the art and software developer are easy to
The exploitation of its control system is completed, therefore repeats no more the contents of the section in this case patent.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. a kind of Battery formation partial volume and detection system, it is characterised in that: including plant area's load, emergency load and emergency lighting,
Energy-storage units, Battery formation partial volume detection unit, middle-position machine control unit, upper computer control system；
The energy-storage units include: exchange input switch, direct current output switch, cell switch, two-way AC/DC converter, energy storage
Battery group, DC bus I；
Battery formation partial volume detection unit include: I grades of two-way DC/DC converters, the two-way DC/DC converter of DC bus II, II grade,
Battery；
Middle-position machine control unit includes an at least middle-position machine control device；
The energy-storage units exchange input switch input terminal connects AC network, and energy-storage units exchange the connection of input switch output end
Plant area's load and at least one set of two-way AC/DC converter, two-way AC/DC converter forward direction output end are opened by direct current output respectively
Connection connects cell switch, DC bus I, emergency load and emergency lighting, cell switch and meets energy storage battery group, the DC bus I
It is at least connected with the positive input of one I grades two-way DC/DC converters, I grades of two-way DC/DC converter forward direction output ends at least connect
Two II grades of two-way DC/DC converters are connect, every II grades two-way DC/DC converters pass through one group of electricity to be measured of DC bus II connection
Pond；
The Battery formation partial volume detection unit is connected to middle-position machine control unit by CAN bus, and middle-position machine control unit is logical
It crosses Ethernet and is connected to upper computer control system, receive the instruction of upper computer control system.
2. a kind of Battery formation partial volume according to claim 1 and detection system, it is characterised in that: described one group two-way
AC/DC converter includes that at least one or more two-way AC/DC converter is connected by parallel way.
3. a kind of Battery formation partial volume according to claim 1 and detection system, it is characterised in that: described one group two-way
AC/DC converter includes that at least one set of battery to be measured is connected by parallel way.
4. a kind of Battery formation partial volume according to claim 1 and detection system, it is characterised in that: the middle-position machine control
Unit includes at least middle-position machine control device composition, every middle-position machine control device by CAN net at least one only reach with
On the two-way DC/DC converter of II grade connect and realize that order issues and information collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113890183A (en) * | 2021-08-13 | 2022-01-04 | 江苏强劲新能源科技有限公司 | Lithium battery energy storage management system and method thereof |
| CN116609681A (en) * | 2023-04-28 | 2023-08-18 | 广东恒翼能科技股份有限公司 | Chemical composition testing and warehousing method and chemical composition testing micro-grid energy-saving control system |
| CN118399365A (en) * | 2024-06-28 | 2024-07-26 | 合肥召洋电子科技有限公司 | Energy feedback type direct current micro-grid energy storage system for battery detection |
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