CN107195961A - Electri forklift lithium-ion battery systems - Google Patents
Electri forklift lithium-ion battery systems Download PDFInfo
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- CN107195961A CN107195961A CN201710463980.2A CN201710463980A CN107195961A CN 107195961 A CN107195961 A CN 107195961A CN 201710463980 A CN201710463980 A CN 201710463980A CN 107195961 A CN107195961 A CN 107195961A
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- ion battery
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- lithium ion
- control module
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of electri forklift lithium-ion battery systems, including：Lithium ion battery module, the lithium ion battery module provides power supply for the electri forklift；Battery fixing structure module, lithium ion battery module is fixed on electri forklift, or lithium ion battery module is fixed together；BMS systems, the BMS systems are connected with the lithium ion battery module, and lithium ion battery module is managed.The present invention can watch the running status of lithium ion battery on host computer or DISP display screens; corresponding Protection parameters are carried out by host computer to be configured; sleep block can ensure the safety of battery; the waste of the energy is reduced simultaneously; lithium ion battery temperature is too high or during too low temperature; blower fan refrigeration and heating management can be carried out; make battery to carry out automatic heating under low-temperature condition to rise again; or blower fan refrigeration can be carried out in high temperature, it is ensured that the offer electric energy that battery can accurately, safe under various adverse circumstances.
Description
Technical field
The present invention relates to cell art, more particularly to a kind of electri forklift lithium-ion battery systems.
Background technology
At present, the battery used in the market electri forklift is based on lead-acid battery, seldom using lithium ion battery, plumbic acid electricity
Meeting " liberation of hydrogen " when pond is charged, produces acid mist, and environmental pollution is serious；Lead-acid battery discharge rate is low, general lead-acid battery electric discharge
Rate is only 83.0%, and battery capacity cannot be fully used；Lead-acid battery charge efficiency is low, the average charge effect of lead-acid battery
Rate is 80%, and electricity charges to 100% needs 8 ~ 10 hours by 0%, and acid mist can be produced in charging process, special ventilation need to be placed in
Charging room, is otherwise also easy to produce air detonation, and hand inspection distillation water content and artificial supplementation are also needed to during charging；Lead-acid battery has
There is a memory effect of cell, within complete discharge and recharge 400 ~ 1000 times, dump energy 10% has memory effect；Low temperature performance side
Face, the optimal discharge temperature of lead-acid battery is 25 DEG C, and temperature often drops once, and capacity declines 1%, 0 DEG C of capacity residue 70%-75%；Electricity
In terms of pond standing, lead-acid battery stand 1 year in without using or do not charge, battery capacity can be caused quickly to reduce, lead-acid battery makes
With and heavy metal pollution is also easy to produce to environment when reclaiming, how to develop a kind of safe and environment-friendly, service life length, can quickly charge and discharge
The electri forklift lithium ion battery of electricity, is professional and technical personnel in the field's technical problem in the urgent need to address.
The content of the invention
A technical problem to be solved of the embodiment of the present invention is：A kind of electri forklift lithium ion battery system is provided
System, to solve problems of the prior art.
One side according to embodiments of the present invention there is provided a kind of electri forklift lithium-ion battery systems, including：
Lithium ion battery module, the lithium ion battery module provides power supply for the electri forklift；
Battery fixing structure module, the battery fixing structure module is used to lithium ion battery module being fixed on electri forklift
On, or lithium ion battery module is fixed together；
BMS systems, the BMS systems are connected with the lithium ion battery module, for detecting, controlling lithium ion battery module
Running parameter and performance, and effective management is carried out to lithium ion battery module.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the lithium ion battery
Module is connected with the BMS systems by switch key group and plug unit；
The switch key group sets a variety of switches, and the lithium ion battery module is by switch key group to BMS system power supplies；
The plug unit provides the interface that lithium ion battery module charges to BMS systems, and the plug unit is inserted for Anderson
Head or REMA plugs, the Anderson plug include charging Anderson plug, electric discharge Anderson plug.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the lithium ion battery
Module includes：Lithium ion battery, and charge relay, electric discharge relay, Hall current sensor, heating management module, blower fan
Refrigeration module, DISP display screens, loudspeaker module, 485 communication modules, CAN communication module, sleep block；
The lithium ion battery and the charge relay, electric discharge relay, Hall current sensor are connected, for control lithium from
The charge or discharge parameter of sub- battery；
The heating management module, blower fan refrigeration module, DISP display screens, loudspeaker module are arranged on the outside of lithium ion battery
And be connected with the lithium ion battery, and be connected with the BMS systems, the control signal for receiving BMS systems, and in BMS
The works under instruction of system；
485 communication module, CAN communication module are used for and the BMS system communications；
The sleep block is connected with the lithium ion battery, for receiving the control instruction of BMS systems, and controls lithium-ion electric
The dormancy in pond.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the switch key group
Including：BMS upper electrical switch, charging confirm switch, low-temperature heat switch；
The BMS upper electrical switch is used for the break-make for controlling BMS system power supplies, and the charging confirms that switch is used to pass to BMS systems
Charging confirmation signal is passed, the low-temperature heat is switched for needing heating signal to BMS systems transmission battery.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the BMS systems bag
Include main control module；
Key control module, discharge and recharge relay control module, the charging and discharging currents detection control mould electrically connected with main control module
Block, blower fan refrigeration control module, heating management control module, loudspeaker ACM alarm control module, DISP display screens control module, on
Position machine communication control module, sleep management control module；
The key control module is electrically connected with switch key group, switching on or closing for controlling switch button group
Close；
The discharge and recharge relay control module and charge relay, electric discharge relay electrically connects, for control it is described charge after
The work of electrical equipment, the relay that discharges；
The charging and discharging currents detection control module is electrically connected with the Hall current sensor, for controlling the Hall current
The work of sensor；
The blower fan refrigeration control module is electrically connected with blower fan refrigeration module, the work for controlling blower fan refrigeration module；
The heating management control module is electrically connected with heating management module, the heating management module for controlling heater,
Realize the control to heater running parameter and working condition；
The loudspeaker control module is electrically connected with loudspeaker module, the work for controlling loudspeaker module；
The DISP display screens control module is electrically connected with CAN communication module, and DISP display screens control module passes through CAN communication mould
Block will control the display parameters of DISP display screens；
The upper machine communication control module is electrically connected with 485 communication module, for realizing lithium ion battery module and BMS
The data transfer of system；
The sleep management control module is used for the work for controlling sleep block.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the discharge and recharge relay
Device control module include discharge and recharge signal detection module, for detecting the running parameter of charge and discharge electrical relay, and judge charging after
The state for the charge or discharge that electrical equipment is in.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the blower fan refrigeration control
Molding block includes：High temperature detection unit, high temperature pronunciation unit and blower fan refrigeration unit；
The high temperature detection unit is used for the operating temperature for detecting lithium ion battery in lithium ion battery module, when high temperature detects single
When the current operating temperature of member detection is higher than design temperature threshold value, the high temperature pronunciation unit carries out sound alarm, the blower fan
Refrigeration unit starts, when the operating temperature of lithium ion battery recovers normal value, high temperature pronunciation unit stop alarm, blower fan refrigeration
Unit is stopped, lithium ion battery normal work.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the heating management control
Molding block includes：Low temperature detection unit, heating unit and low-temperature heat switch；
The low temperature detection unit is used to detect in lithium ion battery module whether lithium ion battery to need unlatching low-temperature heat to open
Close, after low-temperature heat switch is opened, the heating power supply is started working, and lithium ion battery is heated.
In another embodiment based on above-mentioned electri forklift lithium-ion battery systems of the invention, the sleep management control
Molding block includes：Dormancy time detection unit and quiescent current detection unit；
When the dormancy time detection unit and quiescent current detection unit detect lithium ion battery in set dormancy
In charging and discharging currents continuously less than setting quiescent current when, lithium ion battery enters park mode.
Compared with prior art, the present invention includes advantages below：
The invention provides a kind of electri forklift lithium-ion battery systems, can be watched on host computer or DISP display screens lithium from
The running status of sub- battery, by being configured on host computer to the corresponding Protection parameters of lithium ion battery, sleep block can be protected
Hinder the safety of lithium ion battery, while reduce the waste of the energy, lithium ion battery temperature is too high or during too low temperature, can carry out
Blower fan freezes and heating management, battery can be carried out heating automatically under low-temperature condition and is risen again, or can carry out in high temperature blower fan
Refrigeration, it is ensured that lithium ion battery is operated in normal state of temperature, it is ensured that battery can accurately, safely under various adverse circumstances
Offer electric energy.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used in technology description to do one simply to introduce, it should be apparent that, drawings in the following description are of the invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the electri forklift lithium-ion battery systems of the present invention.
Fig. 2 is the structural representation of another embodiment of the electri forklift lithium-ion battery systems of the present invention.
Fig. 3 is the structural representation of another embodiment of the electri forklift lithium-ion battery systems of the present invention.
In figure：1 lithium ion battery module, 101 lithium ion batteries, 102 charge relays, 103 electric discharge relays, 104 are suddenly
That current sensor, 105 heating management modules, 106 blower fan refrigeration modules, 107 DISP display screens, 108 loudspeaker modules, 109
485 communication modules, 110 CAN communication modules, 111 sleep blocks, 2 battery fixing structure modules, 3 BMS systems, 301 master control moulds
Block, 302 key control modules, 303 discharge and recharge relay control modules, 304 charging and discharging currents detection control module, 305 blower fans
Refrigeration control module, 306 heating management control modules, 307 loudspeaker ACM alarm control modules, 308 DISP display screens control mould
Block, 309 upper machine communication control modules, 310 sleep management control modules, 4 switch key groups, 41 BMS upper electrical switch, 42 are filled
Electricity confirms switch, 43 low-temperature heats switch, 5 plug units.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment only
It is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of electri forklift that the present invention is provided is carried out more with lithium-ion battery systems with reference to the accompanying drawings and examples
Explain.
Fig. 1 is the structural representation of one embodiment of the electri forklift lithium-ion battery systems of the present invention, such as Fig. 1 institutes
Show, the electri forklift of the embodiment is included with lithium-ion battery systems：
Lithium ion battery module 1, the lithium ion battery module 1 provides power supply for the electri forklift；
Battery fixing structure module 2, the battery fixing structure module 2 is used to lithium ion battery module 1 being fixed on electric fork
Che Shang, or lithium ion battery module 1 is fixed together；
BMS systems 3, the BMS systems 3 are connected with the lithium ion battery module 1, for detecting, controlling lithium ion battery mould
The running parameter and performance of group 1, and effective management is carried out to lithium ion battery module 1.
The lithium ion battery module 1 is connected with the BMS systems 3 by switch key group 4 and plug unit 5；
The switch key group 4 sets a variety of switches, and the lithium ion battery module 1 is by switch key group 4 to BMS systems 3
Power supply；
The plug unit 5 provides the interface that lithium ion battery module 1 charges to BMS systems 3, and the plug unit 5 is peace moral
Gloomy plug or REMA plug, the Anderson plug includes charging Anderson plug, electric discharge Anderson plug.
Fig. 2 is the structural representation of another embodiment of the electri forklift lithium-ion battery systems of the present invention, such as Fig. 2
Shown, the lithium ion battery module 1 includes：Lithium ion battery 101, and charge relay 102, electric discharge relay 103, Hall
Current sensor 104, heating management module 105, blower fan refrigeration module 106, DISP display screens 107, loudspeaker module 108,485
Communication module 109, CAN communication module 110, sleep block 111；
The lithium ion battery 101 is connected with the charge relay 102, electric discharge relay 103, Hall current sensor 104,
Charge or discharge parameter for controlling lithium ion battery 101；
The heating management module 105, blower fan refrigeration module 106, DISP display screens 107, loudspeaker module 108 be arranged on lithium from
The outside of sub- battery 101 is simultaneously connected, and be connected with the BMS systems 3 with the lithium ion battery 101, for receiving BMS systems
3 control signal, and in the works under instruction of BMS systems 3；
485 communication module 109, CAN communication module 110 are used to communicate with the BMS systems 3；
The sleep block 111 is connected with the lithium ion battery 101, for receiving the control instruction of BMS systems 3, and is controlled
The dormancy of lithium ion battery 101.
The switch key group 4 includes：BMS upper electrical switch 41, charging confirm switch 42, low-temperature heat switch 43；
The BMS upper electrical switch 41 is used for the break-make for controlling the power supply of BMS systems 3, and the charging confirms that switch 42 is used for BMS systems
The transmission charging confirmation signal of system 3, the low-temperature heat switch 43 is used to need heating signal to the transmission battery of BMS systems 3.
When the BMS upper electrical switch 41 be in " ON " state under when, BMS systems 3 from the stagnation pressure power taking of lithium ion battery 101,
Detect the state of lithium ion battery 101 and normally close electric discharge relay afterwards, now lithium ion battery 101 is inserted by Anderson of discharging
Head electric discharge；When lithium ion battery 101 needs charging, press charging and confirm 42 buttons of switch, it is true that BMS systems 3 detect charging
Recognize after signal and disconnect electric discharge relay 103, close charge relay 102, now lithium ion battery 101 just can pass through the peace moral that charges
Gloomy plug supplements energy from charge power supply；, can manual closing heating tube when lithium ion battery 101 can not work because of cryogenic conditions
Reason module 105 is switched, BMS systems 3 detect after the too low signal of battery temperature can by heat management module 105 to lithium from
The sub- heating of battery 101 is risen again.When detecting battery temperature and reaching more than the temperature of setting, BMS systems 3 will be automatically stopped plus
The work of thermal management module 105.
Fig. 3 is the structural representation of another embodiment of the electri forklift lithium-ion battery systems of the present invention, such as Fig. 3
Shown, the BMS systems 3 include main control module 301；
Key control module 302, discharge and recharge relay control module 303, the charging and discharging currents electrically connected with main control module 301 are examined
Survey control module 304, blower fan refrigeration control module 305, heating management control module 306, loudspeaker ACM alarm control module 307,
DISP display screens control module 308, upper machine communication control module 309, sleep management control module 310；
The key control module 302 is electrically connected with switch key group 4, and the switch for controlling switch button group 4 is opened
Open or close；
The discharge and recharge relay control module 303 is electrically connected with charge relay 102, electric discharge relay 103, for controlling
State charge relay 102, the work for the relay 103 that discharges；
Charging and discharging currents detection control module 304 is electrically connected with the Hall current sensor 104, for described in controlling suddenly
The work of your current sensor 104；
The blower fan refrigeration control module 305 is electrically connected with blower fan refrigeration module 106, for controlling blower fan refrigeration module 106
Work；
The heating management control module 306 is electrically connected with heating management module 105, for controlling the heating of heater to manage
Module 105, realizes the control to heater running parameter and working condition；
The loudspeaker control module 307 is electrically connected with loudspeaker module 108, the work for controlling loudspeaker module 108；
The DISP display screens control module 308 is electrically connected with CAN communication module 110, and DISP display screens control module 308 passes through
CAN communication module 110 will control the display parameters of DISP display screens 107；
The upper machine communication control module 309 is electrically connected with 485 communication module 109, for realizing lithium ion battery mould
The data transfer of group 1 and BMS systems 3；
The sleep management control module 310 is used for the work for controlling sleep block 111.
The discharge and recharge relay control module 303 includes discharge and recharge signal detection module, for detecting discharge and recharge relay
The running parameter of device, and judge the state for the charge or discharge that charge relay is in, when BMS systems 3 detect lithium ion
When battery 101 needs charge or discharge, the power supply that 12V can be provided to corresponding charge or discharge module supplies charge relay 102
Or electric discharge relay 103 works, the lasting power consumption of charge relay 102 or the relay 103 that discharges must not exceed 6W.
The function of charging and discharging currents detection control module 304 is realized mainly by Hall current sensor 104, by principal current
Line passes through Hall current sensor 104, just can measure the charge and discharge size of current on major loop.
The blower fan refrigeration control module 305 includes：High temperature detection unit, high temperature pronunciation unit and blower fan refrigeration unit；
The high temperature detection unit is used for the operating temperature for detecting lithium ion battery 101 in lithium ion battery module 1, when high temperature detector
When surveying the current operating temperature of unit detection higher than design temperature threshold value, the high temperature pronunciation unit carries out sound alarm, described
Blower fan refrigeration unit starts, when the operating temperature of lithium ion battery 101 recovers normal value, high temperature pronunciation unit stop alarm,
Blower fan refrigeration unit is stopped, the normal work of lithium ion battery 101.
The heating management control module includes：Low temperature detection unit, heating unit and low-temperature heat switch；
The low temperature detection unit is used to detect in lithium ion battery module whether lithium ion battery to need unlatching low-temperature heat to open
Close, after low-temperature heat switch is opened, the heating power supply is started working, and lithium ion battery is heated.
The sleep management control module includes：Dormancy time detection unit and quiescent current detection unit；
When the dormancy time detection unit and quiescent current detection unit detect lithium ion battery in set dormancy
In charging and discharging currents continuously less than setting quiescent current when, lithium ion battery enters park mode.
DISP display screens control module 308 and upper machine communication control module 309 belong to communication module, DISP display screens
107 realize the communication with BMS systems 3 by CAN communication module 110, and DISP display screens 107 can displaying monomer lithium ion battery
101 voltage, the stagnation pressure of lithium ion battery 101, the SOC states of lithium ion battery 101, the charge and discharge TV university of lithium ion battery 101
The information such as small, upper machine communication control module 309 is realized logical between host computer and BMS systems 3 by 485 communication modules 109
News, host computer interface is in addition to it can show the essential information of above lithium ion battery 101, moreover it is possible to the phase of lithium ion battery 101
Close Protection parameters to be configured, this example can be by host computer to the monomer of lithium ion battery 101 is over-pressed, monomer is under-voltage, stagnation pressure
Overvoltage, stagnation pressure is under-voltage, charging excessively stream, electric discharge excessively stream, charging low temperature, charging excess temperature, discharge low-temperature and the electric discharge parameter such as excess temperature enter
Row configuration.
A kind of electri forklift provided by the present invention is described in detail with lithium-ion battery systems above, herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to help
Understand the method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention,
It will change in specific embodiments and applications, in summary, this specification content should not be construed as to this
The limitation of invention.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of electri forklift lithium-ion battery systems, it is characterised in that including：
Lithium ion battery module, the lithium ion battery module provides power supply for the electri forklift；
Battery fixing structure module, the battery fixing structure module is used to lithium ion battery module being fixed on electri forklift
On, or lithium ion battery module is fixed together；
BMS systems, the BMS systems are connected with the lithium ion battery module, for detecting, controlling lithium ion battery module
Running parameter and performance, and effective management is carried out to lithium ion battery module.
2. electri forklift lithium-ion battery systems according to claim 1, it is characterised in that the lithium ion battery mould
Group is connected with the BMS systems by switch key group and plug unit；
The switch key group sets a variety of switches, and the lithium ion battery module is by switch key group to BMS system power supplies；
The plug unit provides the interface that lithium ion battery module charges to BMS systems, and the plug unit is inserted for Anderson
Head or REMA plugs, the Anderson plug include charging Anderson plug, electric discharge Anderson plug.
3. electri forklift lithium-ion battery systems according to claim 1, it is characterised in that the lithium ion battery mould
Group includes：Lithium ion battery, and charge relay, electric discharge relay, Hall current sensor, heating management module, blower fan system
Chill block, DISP display screens, loudspeaker module, 485 communication modules, CAN communication module, sleep block；
The lithium ion battery and the charge relay, electric discharge relay, Hall current sensor are connected, for control lithium from
The charge or discharge parameter of sub- battery；
The heating management module, blower fan refrigeration module, DISP display screens, loudspeaker module are arranged on the outside of lithium ion battery
And be connected with the lithium ion battery, and be connected with the BMS systems, the control signal for receiving BMS systems, and in BMS
The works under instruction of system；
485 communication module, CAN communication module are used for and the BMS system communications；
The sleep block is connected with the lithium ion battery, for receiving the control instruction of BMS systems, and controls lithium-ion electric
The dormancy in pond.
4. electri forklift lithium-ion battery systems according to claim 2, it is characterised in that the switch key group bag
Include：BMS upper electrical switch, charging confirm switch, low-temperature heat switch；
The BMS upper electrical switch is used for the break-make for controlling BMS system power supplies, and the charging confirms that switch is used to pass to BMS systems
Charging confirmation signal is passed, the low-temperature heat is switched for needing heating signal to BMS systems transmission battery.
5. electri forklift lithium-ion battery systems according to claim 3, it is characterised in that the BMS systems include
Main control module；
Key control module, discharge and recharge relay control module, the charging and discharging currents detection control mould electrically connected with main control module
Block, blower fan refrigeration control module, heating management control module, loudspeaker ACM alarm control module, DISP display screens control module, on
Position machine communication control module, sleep management control module；
The key control module is electrically connected with switch key group, switching on or closing for controlling switch button group
Close；
The discharge and recharge relay control module and charge relay, electric discharge relay electrically connects, for control it is described charge after
The work of electrical equipment, the relay that discharges；
The charging and discharging currents detection control module is electrically connected with the Hall current sensor, for controlling the Hall current
The work of sensor；
The blower fan refrigeration control module is electrically connected with blower fan refrigeration module, the work for controlling blower fan refrigeration module；
The heating management control module is electrically connected with heating management module, the heating management module for controlling heater,
Realize the control to heater running parameter and working condition；
The loudspeaker control module is electrically connected with loudspeaker module, the work for controlling loudspeaker module；
The DISP display screens control module is electrically connected with CAN communication module, and DISP display screens control module passes through CAN communication mould
Block will control the display parameters of DISP display screens；
The upper machine communication control module is electrically connected with 485 communication module, for realizing lithium ion battery module and BMS
The data transfer of system；
The sleep management control module is used for the work for controlling sleep block.
6. electri forklift lithium-ion battery systems according to claim 5, it is characterised in that the charge and discharge electrical relay
Control module includes discharge and recharge signal detection module, for detecting the running parameter of charge and discharge electrical relay, and judges the relay that charges
The state for the charge or discharge that device is in.
7. electri forklift lithium-ion battery systems according to claim 5, it is characterised in that the blower fan refrigeration control
Module includes：High temperature detection unit, high temperature pronunciation unit and blower fan refrigeration unit；
The high temperature detection unit is used for the operating temperature for detecting lithium ion battery in lithium ion battery module, when high temperature detects single
When the current operating temperature of member detection is higher than design temperature threshold value, the high temperature pronunciation unit carries out sound alarm, the blower fan
Refrigeration unit starts, when the operating temperature of lithium ion battery recovers normal value, high temperature pronunciation unit stop alarm, blower fan refrigeration
Unit is stopped, lithium ion battery normal work.
8. electri forklift lithium-ion battery systems according to claim 5, it is characterised in that the heating management control
Module includes：Low temperature detection unit, heating unit and low-temperature heat switch；
The low temperature detection unit is used to detect in lithium ion battery module whether lithium ion battery to need unlatching low-temperature heat to open
Close, after low-temperature heat switch is opened, the heating power supply is started working, and lithium ion battery is heated.
9. electri forklift lithium-ion battery systems according to claim 5, it is characterised in that the sleep management control
Module includes：Dormancy time detection unit and quiescent current detection unit；
When the dormancy time detection unit and quiescent current detection unit detect lithium ion battery in set dormancy
In charging and discharging currents continuously less than setting quiescent current when, lithium ion battery enters park mode.
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| CN201710463980.2A CN107195961A (en) | 2017-06-19 | 2017-06-19 | Electri forklift lithium-ion battery systems |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710463980.2A CN107195961A (en) | 2017-06-19 | 2017-06-19 | Electri forklift lithium-ion battery systems |
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