CN110509875A - Lithium ion starting parking power supply - Google Patents
Lithium ion starting parking power supply Download PDFInfo
- Publication number
- CN110509875A CN110509875A CN201910815703.2A CN201910815703A CN110509875A CN 110509875 A CN110509875 A CN 110509875A CN 201910815703 A CN201910815703 A CN 201910815703A CN 110509875 A CN110509875 A CN 110509875A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- power supply
- lithium
- mould group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 213
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 239000000178 monomer Substances 0.000 claims description 74
- 238000001514 detection method Methods 0.000 claims description 36
- 238000004891 communication Methods 0.000 claims description 14
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000005955 Ferric phosphate Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229940032958 ferric phosphate Drugs 0.000 description 3
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 3
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a lithium ion starting and parking power supply. The lithium ion parking power supply comprises a power supply outer box, wherein a lithium ion battery module, a switching circuit and a power supply management control module are integrated in the power supply outer box, the lithium ion battery module and the switching circuit are connected in series to form a discharging loop and a charging circuit of the lithium ion parking power supply, and the lithium ion battery module is used for supplying power to vehicle-mounted equipment when an engine is started or a vehicle is parked; the switch circuit is used for realizing the closing and opening of the discharge loop and the closing and opening of the charging circuit according to a control command; the power management control module is used for monitoring the working parameters of the lithium ion battery module in real time and sending a control instruction to the switch circuit according to the working parameters. The invention can meet the requirements of starting the daily engine of the commercial vehicle and supplying power to the vehicle-mounted equipment when the commercial vehicle is parked, achieves the good purpose of saving fuel for the whole vehicle, and has the advantages of small volume, low cost and high safety.
Description
Technical field
The invention belongs to automobile technical fields, and in particular to a kind of lithium ion starting parking power supply, it is various for commercial vehicle
Engine start under environment, while can also be driver's cabin Air conditioner on car, vehicle mounted multimedia, refrigerator, food in vehicle parking
The mobile units such as heating device provide electric power.
Background technique
The power supply in commercial vehicle is mainly used for engine start at present, and using lead-acid battery as power supply, or
Use lithium battery and lead-acid battery group cooperation for power supply, such as a kind of combination startup power supply patent of publication number CN107134844A.
Its price of lead-acid battery is low, quality is stablized；But lead-acid battery weight is big, self-discharge rate is monthly up to 20% to 30%, cycle life
Short (2 years or so), and lead-acid battery brings very big pollution to environment in links such as production, recycling.Combine startup power supply patent
In, lithium battery is only to provide auxiliary power, and the weight of entire power supply, volume reduction are less, and the performance boosts such as electrical property, service life have
Limit, and the lead contamination hidden danger of plumbic acid production, recycling link still exists；The source nominal voltage is 12V, and commercial vehicle voltage rating is
24V, and the requirement of commercial vehicle discharge power is very high, discharge current requires -41 DEG C of 900A electric discharges, which, which can not meet, wants
It asks.Vehicle power supply current simultaneously can only could be the power supply of mobile unit after the engine is started up, can not solve vehicle parking
When mobile unit power demands.
Summary of the invention
The object of the invention is to provide a kind of lithium ion starting parking to solve deficiency existing for above-mentioned background technique
Power supply.
The technical solution adopted by the present invention is that: a kind of lithium ion starts parking power supply, including power supply outer container, outside the power supply
Lithium ion battery mould group, switching circuit and power management control module, the lithium ion battery mould group and switch are integrated in case
Circuit connects to form discharge loop and charging circuit that the lithium ion starts parking power supply, the lithium ion battery mould group anode
The positive terminal being connected on power supply outer container, the switching circuit cathode are connected to the negative terminal on power supply outer container；The lithium
It powers when ion battery mould group is for the power supply in engine start or vehicle parking for mobile unit；The switching circuit is used for
The closure and open circuit, the closure of charging circuit and open circuit of the discharge loop are realized according to control command；The power management control
Molding block refers to for the running parameter of real-time monitoring lithium ion battery mould group, according to running parameter to switching circuit sending control
It enables.
Further, the lithium ion battery mould group includes multiple lithium-ion battery monomer groups, the multiple lithium-ion electric
It is connected in series between the monomer group of pond, each lithium-ion battery monomer group includes one or more lithium-ion battery monomers, multiple lithiums
It is connected in parallel between ion battery monomer.
Further, the switching circuit includes charge switch, charging diode, discharge switch and discharge diode, institute
The cathode of one end connection lithium ion battery mould group of charge switch is stated, the control terminal of charge switch connects power management control module
Control terminal, the other end of charge switch connects charging diode anode, and charging diode cathode connects the negative terminal, institute
State the closure and open circuit of power management control module control charge switch；One end of the discharge switch connects the negative pole end
Son, the control terminal of the control terminal connection power management control module of discharge switch, two poles of other end connection electric discharge of discharge switch
Tube anode, discharge diode cathode connect the cathode of lithium ion battery mould group, and the power management control module control electric discharge is opened
The closure and open circuit of pass.
Further, the power management control module includes temperature detecting module, voltage detection module and power management
Controller, the temperature detecting module are used to detect the temperature of lithium ion battery mould group, and the temperature data that will test is sent to electricity
Source control controller；The voltage detection module is used to detect the voltage of lithium ion battery mould group, the voltage data hair that will test
It send to power source management controller；The power source management controller is used to judge temperature data or voltage data is more than threshold values Shi Xiangkai
Powered-down road issues control instruction, unevenness occurs in the lithium-ion battery monomer for judging lithium ion battery mould group according to voltage data
Lithium-ion battery monomer is carried out when weighing apparatus balanced.
Further, the temperature detecting module include multiple temperature detecting units, each temperature detecting unit and lithium from
One lithium-ion battery monomer of sub- battery modules connects or multiple phases of each temperature detecting unit and lithium ion battery mould group
The polarity of adjacent lithium-ion battery monomer connection, the lithium-ion battery monomer of multiple temperature detecting unit connections is identical.
Further, the voltage detection module includes multiple voltage detection units, the multiple voltage detection unit
Input terminal is connected between the anode, cathode and adjacent lithium-ion battery monomer of lithium ion battery mould group, multiple voltage inspections
The input terminal of the output end and power source management controller of surveying unit connects.
Further, the power management control module further includes multiple balance modules, and multiple balance modules pass through power supply
Management Controller connect to form multiple equalizing circuits with multiple voltage detection units of voltage detection module respectively.
Further, the balance module includes equalizer switch, equalizing resistance, the equalizer switch and equalizing resistance string
Connection, equalizer switch one end of multiple balance modules are connect with multiple output ends of power source management controller respectively, multiple equilibrium models
Equalizing resistance one end of block interconnects, the equalizer switch control terminal of the multiple balance module and the control of power source management controller
End connection processed.
Further, the power supply outer container is hermetically sealed cabinet, is additionally provided with communication interface, the power supply pipe on power supply outer container
The communication terminal of reason control module is connected to communication interface.
It further, further include fuse for preventing the lithium ion from starting parking power supply short circuit, the fusing
Device be arranged in lithium ion battery mould group it is positive between the positive terminal or be arranged in switching circuit cathode and the cathode
Between terminal.
The beneficial effects of the present invention are:
1, the present invention uses the powerful lithium ion battery of large capacity, compared to the plumbic acid electricity used on present commercial vehicle vehicle
Pond, power supply of the present invention have light-weight (equivalent capability is less than lead-acid battery weight 50%), it is small in size that (equivalent capability is also less than lead
Sour battery 50%), self-discharge rate low (be lower than 1%/moon), service life long (5 years or more) the advantages of, while lithium ion battery and switch
The cooperation control of circuit, power management control module, guarantees the safety of power supply in use, and meet commercial vehicle vehicle and exist
- 41 DEG C to 45 DEG C engine start demands of environment temperature；
2, the present invention can also be commercial vehicle Air conditioner on car, vehicle-mounted more other than meeting commercial vehicle routine engine and starting
The mobile units such as media, refrigerator, foods heat unit provide electric power, reach good vehicle fuel-economizing purpose；
3, the lithium ion battery depth of discharge that the present invention uses can reach 90%, and compared to lead-acid accumulator, (depth of discharge is not
It can exceed that 50%), same electricity consumption demand, lithium ion power supply rated capacity can design smaller, and the weight of power supply is lighter,
Volume is smaller, and cost is lower；
4, the lithium ion battery that the present invention uses can support large current charge, as vehicle brakes recovery system, solar energy, heat
The electric energy of the generations such as electricity conversion, can be recycled to power supply, further decrease complete-vehicle oil consumption, promote vehicle operation grade.
Detailed description of the invention
Fig. 1 is power supply outer container schematic diagram of the invention.
Fig. 2 is the schematic illustration of parking power supply of the present invention.
In figure: 1- power supply outer container box body；2- positive terminal；3- negative terminal；4- communication interface；The outer box cover of 5- power supply；
6- balance module；61- equalizing resistance；62- equalizer switch；7- fuse；8- lithium ion battery mould group；81- lithium ion battery list
Body group, 9- power management control module；91- power source management controller；92- temperature detecting module；93- voltage detection module；94-
First connector；The second plug connector of 95-；10- switching circuit；101- charge switch；102- charging diode；103- electric discharge is opened
It closes；104- discharge diode.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1 and Figure 2, the present invention provides a kind of lithium ion starting parking power supply, including power supply outer container, the power supply
It is integrated in outer container and is fixed with lithium ion battery mould group 8, switching circuit 10 and power management control module 9, the lithium-ion electric
Chi Mo group 8 connects to form discharge loop and charging circuit that the lithium ion starts parking power supply with switching circuit 10, the lithium
8 anode of ion battery mould group is connected to the positive terminal 2 on power supply outer container, and 10 cathode of switching circuit is connected to power supply outer container
On negative terminal 3；It is mobile unit when the lithium ion battery mould group 8 is for the power supply in engine start or vehicle parking
Power supply；The switching circuit 10 is used to realize that the closure of the discharge loop and open circuit, charging circuit are closed according to control command
It closes and opens a way；The power management control module 9 is used for the running parameter of real-time monitoring lithium ion battery mould group 8, according to work
Parameter issues control instruction to switching circuit 10.
Lithium ion of the present invention starts parking power supply and uses lithium ion battery mould group, and 19~32V of voltage range meets commercial
For vehicle to supply voltage area requirement, discharge at starting ability meets engine start request under each environmental working condition of vehicle；It holds
Amount and continuous discharge ability, meet under summer most thermal environment, and Air conditioner on car system etc. continues power supply maximum discharge current, electric discharge
The demand of time；Vibration proof process is fixed to all parts of power source internal to loosen, power supply vibration and shock resistant ability, it is full
The corresponding vehicle of foot is to the requirement of power supply anti-vibration performance；Its internal power management control module being arranged, can prevent power supply from using
It overcharges in the process, overdischarge, short-circuit function, can also also increase the functions such as power supply equalization, ensure the safety in power supply application process,
Extend battery life.
In above scheme, the power supply outer container is hermetically sealed cabinet, and specifically, power supply outer container 1 includes power supply outer container box body
1, the components such as lithium ion battery mould group 8, power management control module 9 are accommodated wherein together, are made by the outer box cover 5 of power supply, the two
Lithium ion battery mould group 8, power management control module 9 etc. and outside water, air insulated provide an envelope for power supply normal work
Closed loop border.Power supply outer container has IP65 and the above degree of protection, prevents all kinds of vehicle use environments to be lauched into cabinet, causes
Internal battery module short circuit or power-supply management system failure.
Positive terminal 2, negative terminal 3 on power supply outer container pass through battery outer box upper cover 5 inside power supply outer container, protrude from
Battery outer box upper cover 5, communication interface 4 passes through 1 side wall of power supply outer container box body inside power supply outer container, and protrudes from power supply outer container.
Positive terminal 2, negative terminal 3, communication interface 4 and power supply outer container interface, it is necessary to it is tight-closed, vehicle standard regulation can be born
Cooling thermal impact, vibratory impulse are without there is seal failure situation.
Power supply outer container material is generally PP, ABS or metal material, if it is metal material, need to carry out lithium ion battery mould
The insulation of the electrical bodies and power supply outer container such as group 8, positive terminal 2, negative terminal 3.
Above-mentioned positive terminal 2, negative terminal 3, material need to be high conductivity material, generally copper or lead, its terminal ruler
Very little, anode and cathode terminals arrangement and size requirement need to meet in national standard or enterprise's mark to commercial vehicle startup power supply electrode terminal end
Son requires.
In above scheme, the lithium ion battery mould group 8 is made up of lithium-ion battery monomer series-parallel system, specifically
Ground, lithium ion battery mould group 8 include multiple lithium-ion battery monomer groups 81, are gone here and there between the multiple lithium-ion battery monomer group 81
Connection connection, each lithium-ion battery monomer group 81 include one or more lithium-ion battery monomers, lithium-ion battery monomer group 81
When including multiple lithium-ion battery monomers, it is connected in parallel between multiple lithium-ion battery monomers.
Lithium ion battery mould group 8 is the power supply source that lithium ion starts parking power supply, the voltage model of lithium ion battery mould group 8
It encloses and starts parking electric power output voltage range as lithium ion, capacity, the electrical property of lithium ion battery mould group 8 determine that lithium ion rises
Dynamic parking power supply capacity and electrical property.
Lithium ion battery mould group 8 is fixed on inside power supply outer container by way of stickup or pressing plate or other supporting structures,
After lithium ion starting parking power supply is loaded in commercial vehicle in this way, their entire life will not be because commercial vehicle be after various vibrations
Impact, and loosens lithium ion battery mould group inside power supply outer container, dislocation between lithium-ion battery monomer, mutually will not occurs
The case where extruding.
The battery types of each lithium-ion battery monomer of above-mentioned composition lithium ion battery mould group 8 be ferric phosphate lithium cell or
Lithium manganate battery or ternary lithium battery, lithium-ion battery monomer have excellent high rate performance and low temperature performance, can-
Big multiplying power discharging under 41 DEG C of environmental conditions.For sake of convenience, this example sets the battery types of lithium-ion battery monomer as ferric phosphate
Lithium battery, the quantity of concatenated lithium-ion battery monomer group 81 is 8, voltage range 20V~29.2V in lithium ion battery mould group 8,
Under -41 DEG C of environmental conditions, when starting engine, 8 minimum voltages of lithium ion battery mould group >=8V.
In above scheme, the required energy source of power management control module 9 itself work in lithium ion battery mould group 8,
Its supply lines is connected to the positive and negative electrode of lithium ion battery mould group 8, the voltage range that power management control module 9 works normally are as follows: 8
~32V guarantees that commercial vehicle engine starts overall process power management control module and works normally.Power management control module 9 is wrapped
Include temperature detecting module 92, voltage detection module 93 and power source management controller 91, temperature detecting module 92 and voltage detecting mould
93 output end of block passes through the first plug connector 94 and connect with the input terminal of power source management controller 91, power source management controller 91
Output end, control terminal and communication terminal are connected with balance module 96, switching circuit 10 and communication interface 4 respectively by the second plug connector 95
It connects.
Above-mentioned temperature detecting module 92 includes multiple temperature detecting units, and multiple temperature detecting units can be as in Fig. 2
T1 to T4, generally thermocouple, the battery temperature being responsible in the multiple lithium-ion battery monomer groups 81 of acquisition, and the temperature that will test
Degree evidence is sent to power source management controller 91.One lithium ion battery of each temperature detecting unit and lithium ion battery mould group
Multiple adjacent lithium-ion battery monomer groups 81 of the connection of monomer group 81 or each temperature detecting unit and lithium ion battery mould group
Connection, it can 2 or more the lithiums that each lithium-ion battery monomer group 81 is arranged a temperature detecting unit, can also be closed on
Depending on ion battery monomer group 81 arranges that a temperature detecting unit, specific arrangement are required according to temperature design acquisition precision.Temperature
Degree detection unit can connect in 81 anode of lithium-ion battery monomer group, also can connect negative in lithium-ion battery monomer group 81
Pole, but when due to battery cell charge and discharge, anode, cathode itself there is temperature difference, therefore, in lithium ion battery mould group
On, the polarity of the lithium-ion battery monomer group of all temperature detecting unit connections is identical.
The voltage detection module 93 includes multiple voltage detection units, the input terminal point of the multiple voltage detection unit
It is not connected between the anode, cathode and adjacent lithium-ion battery monomer group 81 of lithium ion battery mould group 8, multiple voltage detecting lists
The output end of member and the input terminal of power source management controller connect, concatenated each of in responsible acquisition lithium ion battery mould group 8
The voltage of lithium-ion battery monomer group 81, the voltage data that will test are sent to power source management controller 91.
The detection probe of above-mentioned temperature detecting unit and voltage detection unit, by welding or bolted mode,
It is connect with the positive or negative pole of lithium-ion battery monomer group 81；Its temperature acquired, voltage signal are passed by the first connector 94
Pass power source management controller 91.
Power source management controller 97 receives the temperature of temperature detecting unit and voltage detection unit acquisition, voltage signal, leads to
The control logic for crossing 91 internal preset of power source management controller issues switch control to switching circuit 10 through the second connector 95 and refers to
It enables, while power source management controller 91 also stores power supply essential information and quantitative alarm signal, these information are connect by communication
Mouth 4 is sent out.
Power source management controller 91 is the power control unit that lithium ion starts parking power supply, its concrete function is as follows:
1, the parameters such as 8 total voltage of lithium ion battery mould group, each 81 voltage of lithium-ion battery monomer group, temperature are monitored；
2, when 8 total voltage of lithium ion battery mould group, 81 voltage of lithium-ion battery monomer group or lithium-ion battery monomer group 81
When temperature is more than the safe threshold of management system setting, by preset logic, switch control is issued to switching circuit 10
Instruction, cutting lithium ion start the electric current input or output of parking power supply, prevent power supply from overcharging or jeopardizing power supply inherently safe
Short circuit phenomenon；
3, power supply essential information and alarm signal are stored；
It 4, can be to lithium ion battery when voltage occur unbalanced for the lithium-ion battery monomer group in lithium ion battery mould group 8
Monomer group carries out balanced, extension battery life.
In above scheme, power management control module 9 further includes multiple balance modules 6, and multiple balance modules 6 pass through power supply
Management Controller 91 connect to form multiple equalizing circuits with multiple voltage detection units of voltage detection module 93 respectively.It is described equal
The module 6 that weighs includes equalizer switch 61, equalizing resistance 62, and the equalizer switch 61 is connected with equalizing resistance 62, multiple balance modules 6
Equalizer switch one end connect with multiple output ends of power source management controller 91 respectively by the second plug connector 95, multiple equilibriums
Equalizing resistance one end of module 6 links together, and the equalizer switch control terminal and power management of the multiple balance module 6 control
The control terminal of device 91 connects.Equalizer switch 61 is controlled by power source management controller 91, and power source management controller 91 is examined by voltage
Unit is surveyed, the voltage of concatenated each lithium ion single battery pack 81 is monitored, when some lithium ion single battery voltage phase
It is more excessively high than other lithium ion single battery voltages and when occurring unbalanced, power source management controller 91 is patrolled according to preset control
Volume, the equalizer switch being closed on the corresponding circuit of lithium ion single battery pack, in such a way that electric energy dissipates, by the lithium ion
The extra voltage of single battery group dissipates, and realizes balanced.It is exemplified below: if first segment lithium ion single battery pack B1 voltage
It is excessively high, then power source management controller 91 control closure equalizer switch K1 and equalizer switch K2, such lithium ion single battery pack B1,
Voltage detection unit C1, voltage detection unit C2, equalizer switch K1, equalizer switch K2, equalizing resistance R1, equalizing resistance R2 are formed
Balanced circuit, equalizing resistance R1, equalizing resistance R2 consume lithium ion single battery pack B1 electric energy, and voltage is gradually reduced, until lithium
Ion battery cell group B1 voltage and other lithium ion single battery voltages are close, realize the voltage of lithium ion single battery pack
It is balanced.
Lithium ion battery mould group 8 of the present invention, charge switch 101, charging diode 102, fuse 7 constitute lithium ion and start
The charge circuit of parking power supply；Ion battery mould group 8, discharge switch 103, discharge diode 104, fuse 7 constitute lithium ion
Start the discharge loop of parking power supply, charging circuit and discharge loop be separately controlled, control respectively power supply charging and
Electric discharge, switching circuit 10 receive the instruction of power source management controller 91, realize that lithium ion starts closing for parking corona discharge circuit
It closes and open circuit, the closure and open circuit of charging circuit.When commercial vehicle engine starts, starting transient starting electric current is huge, power supply electricity
It presses pressure drop also very big, current limliting or opening action cannot be carried out to discharge loop at this time；Lithium battery, which overcharges, easily induces security risk, hair
When motor charges to power supply, when lithium ion starts, there is total voltage in parking power supply or any monomer battery voltage is more than safety
When threshold value, it need to open a way to charge circuit, lithium battery is avoided to overcharge.
Said switching circuit 10 specifically includes charge switch 101, two poles of charging diode 102, discharge switch 103 and electric discharge
Pipe 104, the cathode of one end connection lithium ion battery mould group 8 of the charge switch 101, the control terminal connection of charge switch 101
The other end of the control terminal of power source management controller 91, charge switch 101 connects 102 anode of charging diode, charging diode
102 cathodes connect the negative terminal 3；One end of the discharge switch 103 connects the negative terminal 3, discharge switch 103
Control terminal connects the control terminal of power management control mold 91,104 sun of other end connection discharge diode of discharge switch 103
Pole, 104 cathode of discharge diode connect the cathode of lithium ion battery mould group 8.
Above-mentioned charging diode 102, discharge diode 104 allow by current direction on the contrary, charge switch 101, putting
Electric switch 103 receives the switch control signal of power source management controller 91, on charge circuit charging current, on discharge loop
Discharge current carry out open circuit or closed action, realize lithium ion start parking power supply charging and discharging currents control, prevent
Power supply overcharges, excessively anti-and excess temperature etc..
Said switching circuit 10 according to needed in charging and discharging circuit by charging and discharging currents size, diode and switch
Multiple diodes, switch in parallel may be selected in conveyance capacity, promote the overcurrent capability of charging and discharging circuit.As charge switch 101,
Discharge switch 103 can be managed with IGBT or metal-oxide-semiconductor, and the close relay substitution of conveyance capacity also may be selected, and relay equally receives
91 switch control signal of power source management controller, to the charging current on charge circuit, the discharge current on discharge loop is carried out
Open circuit or closed action.
It further include the fuse 7 for preventing the lithium ion from starting parking power supply short circuit, the fusing in above scheme
Device 7 is arranged in series in the positive between the positive terminal 2 or to be arranged in series in switching circuit 10 negative of lithium ion battery mould group 8
Between pole and the negative terminal 3.Fuse 7 is connected on lithium ion and starts in the charging and discharging circuit of parking power supply, when what is passed through
It when electric current and duration are more than the threshold value that lithium ion starts the setting of parking power-supply management system, fuses, cuts off charge and discharge
Electric current on electrical circuit, prevents power supply short circuit.
Embodiment 1:
Certain lithium ion for being suitable for heavy-duty commercial vehicle starts parking power supply:
Supply voltage: 20~28.8V；
Capacity: 140AH；
Use environment temperature: -41 DEG C~45 DEG C；
Discharge capability: 18 DEG C can power supply minimum voltage during 900A electric discharge 100s, -41 DEG C of 600A electric discharge 90s, electric discharges >=
8V。
Referring to Fig. 1, Fig. 2, lithium ion battery mould group 8 is connected in series by 8 lithium-ion battery monomer groups 81 (B1~B8),
81 capacity of lithium-ion battery monomer group is 140AH, and the battery types of the lithium-ion battery monomer in lithium-ion battery monomer group are
Ferric phosphate battery cell, lithium-ion battery monomer have good multiplying power and low temperature discharge ability, and -41 DEG C of energy 5C or more discharge；
Using the collectors such as multilayer aluminum or copper bar 13, lithium ion single battery pack is connected as lithium ion battery mould group 8；
Temperature detecting module 92, voltage detection module 93 are connected by the first connector 94 with power source management controller 91,
Wherein temperature detecting module 92 should be evenly arranged in lithium ion battery mould group 8, sampling precision when arrangement quantity is according to design
Depending on, 2~8, but the same pole that need to be uniformly arranged in lithium-ion battery monomer group 81 (is generally placed upon lithium ion battery list
81 side of the positive electrode of body group), this example arranges altogether 4 temperature detecting units (T1~T4), and every two lithium-ion battery monomer group 81 is total
With a temperature detecting unit, temperature detecting unit is arranged in lithium-ion battery monomer group side of the positive electrode, according to this 4 temperature detections
The temperature of unit acquisition can calculate the mean temperature of lithium ion battery mould group 8；And the needs of voltage detection module 93 monitor often
A lithium ion single battery pack 81, therefore need 9 voltage detection units (C1~C9), temperature detecting unit, voltage detection unit
It is connect by welding or bolt connecting mode with lithium ion battery mould group 8.
The function of power source management controller 91 is as follows:
8 temperature of lithium ion battery mould group is acquired, when 8 mean temperature of lithium ion battery mould group or local monomer temperature are excessively high
When, current limliting is carried out to charge circuit or discharge loop by switching circuit 10 or directly disconnects circuit operation, prevents battery excess temperature
Cause cell safety risk.
The voltage of each lithium-ion battery monomer group 81 and the total voltage of lithium ion battery mould group 8 are acquired, lithium-ion electric is worked as
The voltage value of 8 total voltage value of Chi Mo group or lithium-ion battery monomer group 81 is more than security restriction, by right by switching circuit 10
Charge circuit or discharge loop carry out direct open circuit operation, prevent lithium-ion battery monomer group 81 from overcharging.
The voltage of each lithium-ion battery monomer group 81 and the total voltage of lithium ion battery mould group 8 are acquired, lithium-ion electric is worked as
The voltage value of 8 total voltage value of Chi Mo group or lithium-ion battery monomer group 81 lower than voltage lower limit value and be more than setting time (no
Can influence engine start), by carrying out current limliting or directly open circuit behaviour to charge circuit or discharge loop by switching circuit 10
Make, prevents 81 over-discharge of lithium-ion battery monomer group.
The voltage for acquiring each lithium-ion battery monomer group 81, it is a certain after lithium ion battery mould group 8 shelves a period of time
The voltage value of a lithium-ion battery monomer group is still higher than other lithium-ion battery monomer groups, then starts balance module 6, power supply pipe
Reason controller 91 is according to preset control logic, the equalizer switch being closed on the corresponding circuit of this lithium ion single battery pack
61, the extra voltage of the lithium ion single battery pack is dissipated by the equalizing resistance 62 on circuit, is realized balanced.
Power supply essential information and alarm signal are stored, and is sent out by communication interface 4.
The charging circuit of switching circuit 10 constitutes circuit by charge switch 101 and charging diode 102, and discharge circuit passes through
Discharge switch 103 and discharge diode 104 constitute circuit, and charge switch 101 and discharge switch 103 use metal-oxide-semiconductor.Wherein, it sends out
Engine start is that electric current is significantly larger than charging current, with the starting parking power supply in the present embodiment, instant discharge current >
1500A, drawing current 900A~1000A, 3~10s of duration, single metal-oxide-semiconductor, diode form discharge circuit, Ke Nengwu
Method bears so big electric current, therefore uses multiple metal-oxide-semiconductors, diodes in parallel mode, forms discharge circuit, uses in the present embodiment
10 metal-oxide-semiconductors and diodes in parallel；And charging circuit, it is limited to the influence of generator of engine power, electric current is usually no more than
80A, therefore 1~3 metal-oxide-semiconductor can be used and diodes in parallel mode forms charging circuit.
Fuse 7 is that charging circuit and discharge circuit share, and for preventing battery short circuit, while engine start should be avoided
When high current generate malfunction and influence engine start, in the present embodiment, fuse 7, follow current > 1000A, continue when
Between > 100s, could fusing.
The power supply outer container includes power supply outer container box body 1, the outer box cover 5 of power supply, and material is PP material；Lithium ion battery mould
Group 8 is mounted in power supply outer container box body 1 and fixed；Then temperature detecting module 91, voltage detection module 92 and by the are installed
One connector 93 is connected to mounted power source management controller 91；Switching circuit 10 is installed, lithium ion battery mould group 8 is negative
Pole is connect with 10 one end of switching circuit, and 10 other end of switching circuit is connect with negative terminal 3, the anode of lithium ion battery mould group 8 with
Positive terminal 2 is connected, and constitutes the charge circuit and discharge loop of power supply；By the second connector 95 by switching circuit 10 and power supply
Management Controller 91 is connected, and separately power source management controller 91 is connected with communication interface 4, the outer box cover 5 of power turn-on, and docks
Seal treatment is done at mouthful, the lithium ion for constituting this suitable for heavy-duty commercial vehicle starts parking power supply.
Embodiment 2:
Basic content with embodiment 1, the difference is that: lithium ion battery mould group 8 is by 7 lithium-ion battery monomer groups 81
(B1~B7) is connected in series, and the battery types of the lithium-ion battery monomer in lithium-ion battery monomer group are LiMn2O4 or ternary,
81 capacity of lithium-ion battery monomer group is still 140AH, and voltage detection module 92 needs 8 voltage detection units (C1~C8),
Supply voltage range is 19.6V~29.4V.
Embodiment 3:
Basic content with embodiment 1, the difference is that, charge switch 101 in switching circuit 10 is charge relay,
Discharge switch 103 in discharge circuit is electric discharge relay.
Embodiment 4:
Basic content with embodiment 1, the difference is that, by the appearance for increasing or decreasing lithium ion single battery pack 81
Amount can be made into the engine for adapting to different automobile types, different displacements, to meet the requirement of different clients.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of lithium ion starts parking power supply, it is characterised in that: including power supply outer container, be integrated in the power supply outer container lithium from
Sub- battery modules (8), switching circuit (10) and power management control module (9), the lithium ion battery mould group (8) and switch electricity
Road (10) series connection forms discharge loop and charging circuit that the lithium ion starts parking power supply, the lithium ion battery mould group
(8) anode is connected to the positive terminal (2) on power supply outer container, and switching circuit (10) cathode is connected to negative on power supply outer container
Extreme son (3)；It is supplied when the lithium ion battery mould group (8) is for the power supply in engine start or vehicle parking for mobile unit
Electricity；The switching circuit be used for according to control command realize the discharge loop closure and open circuit, the closure of charging circuit with
Open circuit；The power management control module (9) is used for the running parameter of real-time monitoring lithium ion battery mould group, according to running parameter
Control instruction is issued to switching circuit (10).
2. lithium ion according to claim 1 starts parking power supply, it is characterised in that: the lithium ion battery mould group (8)
Including multiple lithium-ion battery monomer groups (81), it is connected in series between the multiple lithium-ion battery monomer group (81), each lithium
Ion battery monomer group (81) includes one or more lithium-ion battery monomers, and parallel connection connects between multiple lithium-ion battery monomers
It connects.
3. lithium ion according to claim 1 starts parking power supply, it is characterised in that: the switching circuit (10) includes filling
Electric switch (101), charging diode (102), discharge switch (103) and discharge diode (104), the charge switch (101)
One end connection lithium ion battery mould group cathode, control terminal connection power management control module (9) of charge switch (101)
Control terminal, the other end of charge switch (101) connect charging diode (102) anode, and charging diode (102) cathode connects institute
State negative terminal, the closure and open circuit of power management control module (9) the control charge switch；The discharge switch (103)
One end connect the negative terminal, the control terminal of control terminal connection power management control module (9) of discharge switch (103),
The other end of discharge switch (103) connects discharge diode (104) anode, and discharge diode (104) cathode connects lithium-ion electric
The cathode of Chi Mo group (8), the closure and open circuit of power management control module (9) control discharge switch (103).
4. lithium ion according to claim 1 starts parking power supply, it is characterised in that: the power management control module
It (9) include temperature detecting module (92), voltage detection module (93) and power source management controller (91), the temperature detecting module
(92) for detecting the temperature of lithium ion battery mould group, the temperature data that will test is sent to power source management controller (91)；Institute
It states voltage detection module (93) and is sent to power management for detecting the voltage of lithium ion battery mould group, the voltage data that will test
Controller (91)；It is sent out when the power source management controller is for judging that temperature data or voltage data are more than threshold values to switching circuit
To lithium when control instruction, the lithium-ion battery monomer for judging lithium ion battery mould group according to voltage data occur unbalanced out
Ion battery monomer carries out balanced.
5. lithium ion according to claim 4 starts parking power supply, it is characterised in that: temperature detecting module (92) packet
Include multiple temperature detecting units, each temperature detecting unit connect with a lithium-ion battery monomer of lithium ion battery mould group or
Each temperature detecting unit is connect with multiple adjacent lithium-ion battery monomers of lithium ion battery mould group, multiple temperature detection lists
The polarity of the lithium-ion battery monomer of member connection is identical.
6. lithium ion according to claim 4 starts parking power supply, it is characterised in that: voltage detection module (93) packet
Multiple voltage detection units are included, the input terminal of the multiple voltage detection unit is being connected to lithium ion battery mould group just
Between pole, cathode and adjacent lithium-ion battery monomer, the output ends of multiple voltage detection units and power source management controller it is defeated
Enter end connection.
7. lithium ion according to claim 4 starts parking power supply, it is characterised in that: the power management control module
(9) further include multiple balance modules (6), multiple balance modules (6) by power source management controller (91) respectively with voltage detecting
Multiple voltage detection units of module (93) connect to form multiple equalizing circuits.
8. lithium ion according to claim 7 starts parking power supply, it is characterised in that: the balance module (6) includes equal
Weighing apparatus switch (61), equalizing resistance (62), the equalizer switch (61) are connected with equalizing resistance (62), the equilibrium of multiple balance modules
Switch one end is connect with multiple output ends of power source management controller respectively, and equalizing resistance one end of multiple balance modules is mutually connected
It connects, the equalizer switch control terminal of the multiple balance module and the control terminal of power source management controller connect.
9. lithium ion according to claim 1 starts parking power supply, it is characterised in that: the power supply outer container is hermetically sealed case
Body is additionally provided with communication interface (4) on power supply outer container, and the communication terminal of the power management control module (9) is connected to communication interface
(4)。
10. lithium ion according to claim 1 starts parking power supply, it is characterised in that: further include for preventing the lithium
Ion starts the fuse (7) of parking power supply short circuit, fuse setting lithium ion battery mould group (8) anode with it is described
Between positive terminal (2) or it is arranged between switching circuit (10) cathode and the negative terminal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910815703.2A CN110509875A (en) | 2019-08-30 | 2019-08-30 | Lithium ion starting parking power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910815703.2A CN110509875A (en) | 2019-08-30 | 2019-08-30 | Lithium ion starting parking power supply |
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| CN110509875A true CN110509875A (en) | 2019-11-29 |
Family
ID=68629708
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910815703.2A Pending CN110509875A (en) | 2019-08-30 | 2019-08-30 | Lithium ion starting parking power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969667A (en) * | 2020-07-03 | 2020-11-20 | 武汉极能新能源科技有限公司 | System and method for supplying power to vehicle-mounted electrical appliance when fuel vehicle is parked |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205141735U (en) * | 2015-11-10 | 2016-04-06 | 浙江超威创元实业有限公司 | Intelligence group battery and electric motor car |
| CN205406647U (en) * | 2016-03-11 | 2016-07-27 | 东风商用车有限公司 | Lithium iron phosphate starting power supply |
| CN105871006A (en) * | 2016-04-14 | 2016-08-17 | 宁波飞驰达电子科技发展有限公司 | Detection and active balance charging system for lithium ion battery pack |
| CN206313466U (en) * | 2016-09-26 | 2017-07-07 | 苏州协鑫集成科技工业应用研究院有限公司 | Automobile lithium ion battery activation system and automobile |
| CN109659465A (en) * | 2019-01-30 | 2019-04-19 | 哈尔滨格瑞赛科新能源有限公司 | A kind of battery strings module of electric automobile power battery system |
-
2019
- 2019-08-30 CN CN201910815703.2A patent/CN110509875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205141735U (en) * | 2015-11-10 | 2016-04-06 | 浙江超威创元实业有限公司 | Intelligence group battery and electric motor car |
| CN205406647U (en) * | 2016-03-11 | 2016-07-27 | 东风商用车有限公司 | Lithium iron phosphate starting power supply |
| CN105871006A (en) * | 2016-04-14 | 2016-08-17 | 宁波飞驰达电子科技发展有限公司 | Detection and active balance charging system for lithium ion battery pack |
| CN206313466U (en) * | 2016-09-26 | 2017-07-07 | 苏州协鑫集成科技工业应用研究院有限公司 | Automobile lithium ion battery activation system and automobile |
| CN109659465A (en) * | 2019-01-30 | 2019-04-19 | 哈尔滨格瑞赛科新能源有限公司 | A kind of battery strings module of electric automobile power battery system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969667A (en) * | 2020-07-03 | 2020-11-20 | 武汉极能新能源科技有限公司 | System and method for supplying power to vehicle-mounted electrical appliance when fuel vehicle is parked |
| CN111969667B (en) * | 2020-07-03 | 2022-03-18 | 武汉极能新能源科技有限公司 | System and method for supplying power to vehicle-mounted electrical appliance when fuel vehicle is parked |
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Application publication date: 20191129 |