CN105337370B - Electric ship charger charging method and electric ship charger - Google Patents
Electric ship charger charging method and electric ship charger Download PDFInfo
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- CN105337370B CN105337370B CN201510869829.XA CN201510869829A CN105337370B CN 105337370 B CN105337370 B CN 105337370B CN 201510869829 A CN201510869829 A CN 201510869829A CN 105337370 B CN105337370 B CN 105337370B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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- H02J7/0091—
Abstract
The embodiment of the invention discloses a kind of electric ship charger charging method and electric ship chargers, it solves current charger electric property to be not sufficiently stable, it is more difficult to realize more stable output in the full load stage, generate oscillation and abnormal sound, caused by the technical issues of influencing properties of product.Electric ship charger charging method of the embodiment of the present invention includes: to acquire battery temperature in real time then to carry out half-power charging if the first preset reference temperature or the second preset reference temperature, if third preset reference temperature, then carries out total power charging；It charges into preset charge step to battery.
Description
Technical field
The present invention relates to technical field of electric power more particularly to a kind of electric ship charger charging method and electric ship to fill
Motor.
Background technique
Electric ship charger is a kind of equipment for aiming at the battery charging peculiar to vessel such as electric ship yacht, is charged to battery
When the power inverter for having specific function used.Charger be using microprocessor (cpu chip) as processing control centre,
Be by many and diverse hardware simulation circuit burning in microprocessor, the operation of charger is controlled in a manner of software program.Cause
This, volume is substantially reduced, and weight substantially reduces, and manufacturing cost is low, and the relatively low high-frequency charger frequency of price is generally in 20KHZ
More than.But High-frequency machine tolerance under severe power grid and environmental condition is poor, compared be suitable for that power grid is more stable and dust compared with
Less, the suitable environment of temperature/humidity refers to and DC charging mode is used to fill for what electric ship yacht power battery assembly charged
Motor.DC charging mode is the mould directly to be charged to power battery assembly with the controllable direct current power supply of charger output
Formula.
Current charger electric property is not sufficiently stable, it is more difficult to be realized more stable output in the full load stage, be generated oscillation
And abnormal sound, the technical issues of so as to cause influence properties of product.
Summary of the invention
A kind of electric ship charger charging method provided in an embodiment of the present invention and electric ship charger, solve mesh
Preceding charger electric property is not sufficiently stable, it is more difficult to be realized more stable output in the full load stage, be generated oscillation and abnormal sound, and lead
The technical issues of influence properties of product of cause.
A kind of electric ship charger charging method provided in an embodiment of the present invention, comprising:
Acquisition battery temperature then carries out half-power if the first preset reference temperature or the second preset reference temperature in real time
Charging, if third preset reference temperature, then carries out total power charging；
It charges into preset charge step to battery.
Preferably, the preset charge step includes:
First stage, judge whether cell voltage is greater than 10V, if so, into second stage, if it is not, then malfunction coefficient；
Second stage, judges whether relay both end voltage is greater than 2V, if so, being closed the relay, and judges institute
State whether relay both end voltage is less than 0.5V, if it is not, then executing the second stage again.
If the relay both end voltage is less than 0.5V, starting-up signal is given, and judges to wait feedback signal whether small
In 30s, if being less than 30s, provides three pulses and wake up the battery, and judge whether the cell voltage is greater than 14V, if
It is greater than 14V, then enters next stage.
Preferably, the preset charge step further include:
Phase III judges charging time or charging voltage, if the charging time is that 4 hours or the charging voltage are big
In 21V, then enter fourth stage；
Fourth stage judges charging time or charging voltage, if the charging time is 20 hours or the charging voltage
Greater than 21V, then entered for the 5th stage；
5th stage judged charging time or charging current, if the charging time is that 8 hours or the charging current are small
In 4A, then benchmark, power supply, relay are closed, and entered for the 6th stage；
In 6th stage, judge whether the cell voltage is less than 26.6V, and be greater than 14V, if so, returning to described first
Stage.
Preferably, judge to wait whether feedback signal is less than 30s, if being less than 30s, provide described in three pulses wake-ups
Battery specifically includes:
Judge to wait whether feedback signal is less than 30s, if being less than 30s, and previous stage is the first stage, then provides three
A pulse wakes up the battery, if being less than 30s, and previous stage was the 6th stage, then entered fourth stage.
A kind of electric ship charger provided in an embodiment of the present invention, comprising:
MCU, phase-shift soft switch control circuit, output voltage detection feedback and battery management unit, the MCU and the shifting
Phase soft switch control circuit, output voltage detection feedback and the battery management unit are electrically connected, and the phase shift is soft to open
It closes control circuit and output voltage detection feedback is electrically connected；
Wherein, the MCU acquires battery temperature in real time, if the first preset reference temperature or the second preset reference temperature,
Half-power charging is then carried out, if third preset reference temperature, then total power charging is carried out, into preset charge step to battery
It charges.
Preferably, the MCU, specifically for judging whether cell voltage is greater than 10V, if so, into second stage, if
No, then malfunction coefficient, judges whether relay both end voltage is greater than 2V, if so, be closed the relay, and judge it is described after
Whether electric appliance both end voltage is less than 0.5V, if the relay both end voltage is less than 0.5V, give starting-up signal, and judge etc.
Whether signal to be feedback is less than 30s, if being less than 30s, provides three pulses and wakes up the battery, and judges the battery electricity
Whether pressure, which is greater than 14V, judges charging time or charging voltage if being greater than 14V, if the charging time is 4 hours or institute
Charging voltage is stated greater than 21V, then judges charging time or charging voltage, if the charging time is 20 hours or charging electricity
Pressure is greater than 21V, then judges charging time or charging current, if the charging time is 8 hours or the charging current is less than 4A,
Benchmark, power supply, relay are then closed, and judges whether the cell voltage is less than 26.6V, and is greater than 14V, if so, again
Judge whether cell voltage is greater than 10V.
Preferably, further includes:
Electromagnetism inhibits circuit, inrush current to inhibit soft start, APFC unit, phase-shift soft switch switching circuit, inductance, cross function
Rate protects circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit；
The electromagnetism inhibits circuit, the inrush current that soft start, the APFC unit, the phase-shift soft switch is inhibited to cut
Circuit, the inductance, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit is changed to be connected in series.
Preferably, the MCU is electrically connected by temperature protection circuit and LMDS Light Coupled Device and the APFC unit；
The APFC unit is also electrically connected with auxiliary power supply circuit, the auxiliary power supply circuit and input low-voltage protection
Circuit connection；
The MCU is connect with phase-shift soft switch major loop abnormity protection circuit.
Preferably, further includes:
Galvanometer circuit, output overvoltage protection circuit, charger monitoring internal temperature unit；
The galvanometer circuit, the output overvoltage protection circuit, the charger monitoring internal temperature unit with it is described
MCU is electrically connected.
Preferably, the battery management unit includes LMDS Light Coupled Device and communication unit, for passing through BUS bus and battery
Connection.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
A kind of electric ship charger charging method provided in an embodiment of the present invention and electric ship charger, wherein electricity
Dynamic ship charger charging method includes: real-time acquisition battery temperature, if the first preset reference temperature or the second preset temperature
Range then carries out half-power charging, if third preset reference temperature, then carries out total power charging；Into preset charge step
It charges to battery.It is preset if the first preset reference temperature or second by acquiring battery temperature in real time in the present embodiment
Temperature range then carries out half-power charging, if third preset reference temperature, then carries out total power charging, finally enters preset
Charge step charges to battery, solves current charger electric property and is not sufficiently stable, it is more difficult in full load stage reality
Existing more stable output generates oscillation and abnormal sound, caused by the technical issues of influencing properties of product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is that a kind of process of one embodiment of electric ship charger charging method provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is a kind of process of another embodiment of electric ship charger charging method provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of structural schematic diagram of the control circuit of electric ship charger provided in an embodiment of the present invention；
Fig. 4 is a kind of external structure schematic diagram of electric ship charger provided in an embodiment of the present invention；
Fig. 5 is a kind of the schematic diagram of the section structure of electric ship charger provided in an embodiment of the present invention；
Fig. 6 is application examples shown in Fig. 2；
It illustrates: MCU1, phase-shift soft switch control circuit 2, output voltage detection feedback 3 and battery management unit, electricity
Magnetic inhibits circuit 5, inrush current that soft start 6, APFC unit 7, phase-shift soft switch switching circuit 8, inductance 9, overpower is inhibited to protect
Protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13, temperature protection circuit 14,
LMDS Light Coupled Device 15, auxiliary power supply circuit 16, input low-voltage protection circuit 17, phase-shift soft switch major loop abnormity protection circuit
18, galvanometer circuit 19, output overvoltage protection circuit 20, charger monitoring internal temperature unit 21, communication unit 22, heat dissipating housing
23, pneumostome 24, circular arc 25, onboard radiator 26, screw 27, insulation silica gel piece 28.
Specific embodiment
A kind of electric ship charger charging method provided in an embodiment of the present invention and electric ship charger, solve mesh
Preceding charger electric property is not sufficiently stable, it is more difficult to be realized more stable output in the full load stage, be generated oscillation and abnormal sound, and lead
The technical issues of influence properties of product of cause.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, a kind of one embodiment packet of electric ship charger charging method provided in an embodiment of the present invention
It includes:
101, battery temperature is acquired in real time, if the first preset reference temperature or the second preset reference temperature, then carries out half
Power charging, if third preset reference temperature, then carries out total power charging；
When needing to charge the battery, it is necessary first to battery temperature is acquired in real time, if the first preset reference temperature
Or second preset reference temperature, then half-power charging is carried out, if third preset reference temperature, then carries out total power charging.
102, it charges into preset charge step to battery.
Half function is then carried out if the first preset reference temperature or the second preset reference temperature when acquiring battery temperature in real time
Rate charging, if third preset reference temperature, then after carrying out total power charging, need enter preset charge step to battery into
Row charging.
In the present embodiment, by acquiring battery temperature in real time, if the first preset reference temperature or the second preset temperature model
It encloses, then carries out half-power charging, if third preset reference temperature, then carry out total power charging, finally enter preset charging step
Suddenly it charges to battery, solves current charger electric property and be not sufficiently stable, it is more difficult to be realized in the full load stage more steady
Fixed output, generates oscillation and abnormal sound, caused by the technical issues of influencing properties of product.
The above is that the process of electric ship charger charging method is described in detail, and will be walked below to preset charging
Suddenly it is described in detail, referring to Fig. 2, a kind of electric ship charger charging method provided in an embodiment of the present invention is another
A embodiment includes:
201, battery temperature is acquired in real time, if the first preset reference temperature or the second preset reference temperature, then carries out half
Power charging, if third preset reference temperature, then carries out total power charging；
When needing to charge the battery, it is necessary first to battery temperature is acquired in real time, if the first preset reference temperature
Or second preset reference temperature, then half-power charging is carried out, if third preset reference temperature, then carries out total power charging.
It should be noted that the first preset reference temperature is not less than 85 degree, the second preset reference temperature is less than 85 degree
To being not less than 70 degree, third preset reference temperature is when being in the first preset reference temperature, then to close benchmark, electricity less than 65 degree
Source, relay, and show failure, temperature collection, if the temperature of acquisition less than 75 degree, determines that relay both end voltage is big simultaneously
In 2V, then closing relay, judges whether relay both end voltage is less than 0.5V, if it is not, then show failure, if so, booting,
It waits whether feedback signal is greater than 30s, if more than 30s, then shows charger failure, if being not more than 30s, carry out half-power and fill
Electricity, when being in the second preset reference temperature, and temperature protection is effective, then carries out half-power charging, when being in third preset temperature
Range, and temperature protection is effective, then carries out total power charging.
202, judge whether cell voltage is greater than 10V, if so, 203 are thened follow the steps, if it is not, then malfunction coefficient；
When acquiring battery temperature in real time, it is the first preset reference temperature or the second preset reference temperature, then carries out half-power
Charging, or be third preset reference temperature, then after carrying out total power charging, need to judge whether cell voltage is greater than 10V, if
It is to then follow the steps 203, if it is not, then malfunction coefficient.
203, judge whether relay both end voltage is greater than 2V, if so, closing relay, and judge relay both ends electricity
Whether pressure is less than 0.5V, if it is not, step 203 is then executed again, if so, thening follow the steps 204；
When judging whether cell voltage is greater than 10V, if so, into second stage, if it is not, being needed then after malfunction coefficient
Judge whether relay both end voltage is greater than 2V, if so, closing relay, and judge whether relay both end voltage is less than
0.5V, if it is not, then executing step 203 again.
204, starting-up signal is given, and judges to wait whether feedback signal is less than 30s, if being less than 30s, provides three arteries and veins
Punching wakes up battery, and judges whether cell voltage is greater than 14V, if being greater than 14V, thens follow the steps 205；
To starting-up signal, and judge to wait whether feedback signal is less than 30s, if being less than 30s, provides three pulses and call out
Awake battery, and judge whether cell voltage is greater than 14V, if being greater than 14V, then follow the steps 205.
205, judge charging time or charging voltage, if the charging time is 4 hours or charging voltage is greater than 21V, execute
Step 206；
Judge charging time or charging voltage, if the charging time is 4 hours or charging voltage is greater than 21V, thens follow the steps
206。
206, judge charging time or charging voltage, if the charging time is 20 hours or charging voltage is greater than 21V, execute
Step 207；
Judge charging time or charging voltage, if the charging time is 20 hours or charging voltage is greater than 21V, thens follow the steps
207。
207, judge charging time or charging current, if the charging time is 8 hours or charging current is less than 4A, close base
Standard, power supply, relay, and execute step 208；
Judge charging time or charging current, if the charging time is that 8 hours or charging current are less than 4A, close benchmark,
Power supply, relay, and execute step 208.
208, judge whether cell voltage is less than 26.6V, and be greater than 14V, if so, return step 202.
Aforementioned step 203 judges whether waiting feedback signal is less than 30s, if being less than 30s, and previous step is
202, then it provides three pulses and wakes up battery, if being less than 30s, and previous step is 208, then enters step 206.
Step 201 can be application examples as shown in FIG. 6 to 208.
In the present embodiment, by acquiring battery temperature in real time, if the first preset reference temperature or the second preset temperature model
It encloses, then carries out half-power charging, if third preset reference temperature, then carry out total power charging, finally enter preset charging step
Suddenly it charges to battery, solves current charger electric property and be not sufficiently stable, it is more difficult to be realized in the full load stage more steady
Fixed output, generates oscillation and abnormal sound, caused by the technical issues of influencing properties of product.
Referring to Fig. 3, a kind of one embodiment of the electric ship charger provided in the embodiment of the present invention includes:
MCU1, phase-shift soft switch control circuit 2, output voltage detection feedback 3 and battery management unit, MCU1 are soft with phase shift
ON-OFF control circuit 2, output voltage detection feedback 3 and battery management unit be electrically connected, phase-shift soft switch control circuit 2 with it is defeated
Voltage detecting feedback 3 is electrically connected out；
Wherein, MCU1 acquires battery temperature in real time, if the first preset reference temperature or the second preset reference temperature, then into
The charging of row half-power, if third preset reference temperature, then carries out total power charging, carries out into preset charge step to battery
Charging.
Further, MCU1, specifically for judging whether cell voltage is greater than 10V, if so, into second stage, if
No, then malfunction coefficient, judges whether relay both end voltage is greater than 2V, if so, closing relay, and judge relay both ends
Whether voltage is less than 0.5V, if relay both end voltage is less than 0.5V, gives starting-up signal, and judges that waiting feedback signal is
It is no to be less than 30s, if being less than 30s, provides three pulses and wake up battery, and judge whether cell voltage is greater than 14V, if greatly
In 14V, then charging time or charging voltage are judged, if the charging time is 4 hours or charging voltage is greater than 21V, judge to charge
Time or charging voltage judge charging time or charging current if the charging time is 20 hours or charging voltage is greater than 21V,
If the charging time is 8 hours or charging current is less than 4A, benchmark, power supply, relay are closed, and judge whether cell voltage is small
In 26.6V, and it is greater than 14V, if so, judging whether cell voltage is greater than 10V again.
Further, control circuit further include:
Electromagnetism inhibits circuit 5, inrush current to inhibit soft start 6, APFC unit 7, phase-shift soft switch switching circuit 8, inductance
9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13；
Electromagnetism inhibit circuit 5, inrush current inhibit 6 circuit of soft start, APFC unit 7, phase-shift soft switch switching circuit 8,
Inductance 9, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13 are connected in series, and electromagnetism inhibits back
Road 5 includes EMC filter circuit 12, inhibits and improve EMC characteristic, and inrush current inhibits 6 circuit of soft start in power initiation moment,
Control input current.To protect power supply line and reduce the impact to power supply itself, APFC unit 7 uses advanced alternating expression
APFC circuit reduces the profit of switch element, reduces power supply and refers to, reduces the ripple current in electrolysis, current-doubling rectifier 11
While reducing output switching device, energy conversion efficiency, the advanced phase shift of phase-shift soft switch switching circuit 8 can effectively improve
Sofe Switch resonance circuit allows power device finance zero-pressure to open and turns off with zero stream, improves transfer efficiency, while possessing good
EMC characteristic.
Further, MCU1 is electrically connected by temperature protection circuit 14 and LMDS Light Coupled Device 15 and APFC unit 7；
APFC unit 7 is also electrically connected with auxiliary power supply circuit 16, auxiliary power supply circuit 16 and input low-voltage protection electricity
Road 17 connects；
MCU1 is connect with phase-shift soft switch major loop abnormity protection circuit 18.
Further, control circuit further include:
Galvanometer circuit 19, output overvoltage protection circuit 20, charger monitoring internal temperature unit 21；
Galvanometer circuit 19, output overvoltage protection circuit 20, charger monitoring internal temperature unit 21 electrically connect with MCU1
It connects.
Further, battery management unit includes LMDS Light Coupled Device 15 and communication unit 22, for passing through BUS bus and electricity
Pond connection.
As shown in figure 4, electric ship charger shell is additionally provided with heat dissipating housing 23, (internal temperature when work of pneumostome 24
Height can exclude the hot-air of expansion, to reach air pressure balance), humanized circular arc 25 designs, and easy to carry, protection shell is close
It is tamping close, meets IP67 requirement of shelter, increase product service life, external fault show and software port repairs, new aluminum alloy
Shell (surface oxidation treatment, corrosion-resistant).
As shown in figure 5, the heat of onboard 26 conducted power device of radiator passes through the fixed onboard radiator of screw 27 to shell
Insulation silica gel piece 28 is added in connection between 26 and shell between magnetic element and aluminum shell, new aluminum alloy is (at surface oxidation
It is reason, corrosion-resistant), power component is thermally conducted to onboard radiator 26, both lockings of screw 27, and screw 27 locks PCB and outer
Shell, screw 27 withstand magnetism and shell on PCB, reinforce shockproof.
The present embodiment has newest interleaved power factor correcting circuit, to power grid no pollution, newest phase whole-bridging circuit,
High reliability realizes long product lifecycle, Gao Ke using the components such as high-conversion rate semiconductor and Low ESR long-life capacitor
By property, the new material technologies such as master control transformer high magnetic permeability and high-curie temperature improve power adapter effect to reduce loss
Rate has current-doubling rectifier 11, to improve the efficiency of complete machine, has reversely and against defencive function circuit is connect, high reliability is adopted
It, can be in different loads (such as 10% load, 50% load, 100% load) Working mould with domestically leading control chip
Formula is adjusted, and has over-temperature protection, overvoltage protection, overcurrent protection, defencive function and Charge Management realize that MCU1 is complete
Thread management, under the load connection with communication function, may be implemented to carry out Charge Management to the batteries of different capabilities.
In the present embodiment, by acquiring battery temperature in real time, if the first preset reference temperature or the second preset temperature model
It encloses, then carries out half-power charging, if third preset reference temperature, then carry out total power charging, finally enter preset charging step
Suddenly it charges to battery, solves current charger electric property and be not sufficiently stable, it is more difficult to be realized in the full load stage more steady
Fixed output, generates oscillation and abnormal sound, caused by the technical issues of influencing properties of product, and use fan-free design, easily
Accomplish water proof and dust proof, apply and require high place making an uproar to ring, the mounting means of power device and radiator integrated reduces
The fraction defective of manual work improves the shock resistance of product, using artificial intelligence software.It can be directed to battery status automatic charging, filled
Divide the supplement energy content of battery, simple and clear charged state instruction, the unique software upgrading port of the software upgrading mouth of multiplexing and pressure
Force balancing system (respirator) multiplexing.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (2)
1. a kind of electric ship charger charging method characterized by comprising
Acquisition battery temperature then carries out half-power charging if the first preset reference temperature or the second preset reference temperature in real time,
If third preset reference temperature, then total power charging is carried out；
It charges into preset charge step to battery；
The preset charge step includes:
First stage, judge whether cell voltage is greater than 10V, if so, into second stage, if it is not, then malfunction coefficient；
Second stage, judges whether relay both end voltage is greater than 2V, if so, be closed the relay, and judge it is described after
Whether electric appliance both end voltage is less than 0.5V, if it is not, then executing the second stage again；
If the relay both end voltage is less than 0.5V, starting-up signal is given, and judges to wait whether feedback signal is less than
30s provides three pulses and wakes up the battery, and judge whether the cell voltage is greater than 14V if being less than 30s, if
Greater than 14V, then enter next stage；
Phase III judges charging time or charging voltage, if the charging time is that 4 hours or the charging voltage are greater than
21V then enters fourth stage；
Fourth stage judges charging time or charging voltage, if the charging time is that 20 hours or the charging voltage are greater than
21V then entered for the 5th stage；
5th stage judged charging time or charging current, if the charging time is that 8 hours or the charging current are less than
4A then closes reference voltage source, reference current source, power supply, relay, and entered for the 6th stage；
In 6th stage, judge whether the cell voltage is less than 26.6V, and be greater than 14V, if so, returning to the first stage.
2. electric ship charger charging method according to claim 1, it is characterised in that judge that waiting feedback signal is
It is no to be less than 30s, if being less than 30s, provides three pulses wake-up batteries and specifically include:
Judge to wait whether feedback signal is less than 30s, if being less than 30s, and previous stage is the first stage, then provides three arteries and veins
Punching wakes up the battery, if being less than 30s, and previous stage was the 6th stage, then entered fourth stage.
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| CN113619437B (en) * | 2021-07-16 | 2023-02-14 | 国网浙江省电力有限公司湖州供电公司 | High-power charging control method for electric ship |
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