CN105337370A - Charging method for novel electric ship charger and novel electric ship charger - Google Patents
Charging method for novel electric ship charger and novel electric ship charger Download PDFInfo
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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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Abstract
The embodiment of the invention discloses a charging method for a novel electric ship charger and a novel electric ship charger. The technical problems that as a current charger is not stable enough in electrical performance, has difficulty achieving more stable output in the full-load stage and generates oscillation and abnormal noise, and product performance is affected are solved. The charging method for the novel electric ship charger includes the steps that battery temperature is collected in real time, if the battery temperature is within a first preset temperature range or a second preset temperature range, half-power charging is carried out, and if the battery temperature is within a third preset temperature range, full-power charging is carried out; a preset charging step is executed to charge a battery.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of electric boats and ships charger charging method and electric boats and ships charger.
Background technology
Electric boats and ships charger is a kind of equipment aiming at the battery chargings peculiar to vessel such as electric ship yacht, the power inverter having specific function used when being and charging to battery.Charger is using microprocessor (cpu chip) as processing controls center, be by numerous and diverse hardware simulation circuit burning in microprocessor, control the operation of charger in the mode of software program.Therefore, volume reduces greatly, and weight reduces greatly, low cost of manufacture, and price is relatively low. and high-frequency charger frequency is generally at more than 20KHZ.But High-frequency machine tolerance under severe electrical network and environmental condition is poor, be comparatively applicable to the environment that electrical network is more stable and dust is less, temperature/humidity is suitable, refer to adopt DC charging pattern to be the charger that electric ship yacht electrokinetic cell assembly carries out charging.DC charging pattern is directly to the pattern that electrokinetic cell assembly charges with the controllable direct current power supply of charger output.
Current charger electric property is stable not, more difficult in the more stable output of full load stage realization, produces vibration and different sound, thus result in the technical problem affecting properties of product.
Summary of the invention
A kind of electric boats and ships charger charging method that the embodiment of the present invention provides and electric boats and ships charger, solve current charger electric property stable not, more difficult in the more stable output of full load stage realization, produce vibration and different sound, and the technical problem affecting properties of product caused.
A kind of electric boats and ships charger charging method that the embodiment of the present invention provides, comprising:
Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging;
Enter preset charge step to charge to battery.
Preferably, described preset charge step comprises:
First stage, judge whether cell voltage is greater than 10V, if so, then enters second stage, if not, then malfunction coefficient;
Second stage, judges whether relay both end voltage is greater than 2V, if so, then closes described relay, and judges whether described relay both end voltage is less than 0.5V, if not, then again perform described second stage.
If described relay both end voltage is less than 0.5V, then give starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wakes described battery up, and judge whether described cell voltage is greater than 14V, if be greater than 14V, then enter next stage, until described cell voltage is less than 26.6V, and be greater than 14V, return and gather described battery temperature.
Preferably, described preset charge step also comprises:
Phase III, judge charging interval or charging voltage, if the described charging interval is 4 hours or described charging voltage be greater than 21V, then enter fourth stage;
Fourth stage, judges charging interval or charging voltage, if the described charging interval is 20 hours or described charging voltage be greater than 21V, then enters five-stage;
Five-stage, judges charging interval or charging current, if the described charging interval is 8 hours or described charging current be less than 4A, then closes benchmark, power supply, relay, and enters for the 6th stage;
In 6th stage, judge whether described cell voltage is less than 26.6V, and be greater than 14V, if so, then return the described first stage.
Preferably, judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wake described battery up and specifically comprise:
Judge wait for feedback signal whether be less than 30s, if be less than 30s, and previous stage be the first stage, then provide three pulses and wake described battery up, if be less than 30s, and previous stage be the 6th stage, then enter fourth stage.
A kind of electric boats and ships charger that the embodiment of the present invention provides, comprising:
MCU, phase-shift soft switch control circuit, output voltage detect feedback and battery management unit, described MCU and described phase-shift soft switch control circuit, described output voltage detect and to feed back and described battery management unit is electrically connected, and described phase-shift soft switch control circuit and described output voltage detect to feed back and be electrically connected;
Wherein, described MCU Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging, enters preset charge step and charges to battery.
Preferably, described MCU, specifically for judging whether cell voltage is greater than 10V, if, then enter second stage, if not, then malfunction coefficient, judge whether relay both end voltage is greater than 2V, if, then closed described relay, and judge whether described relay both end voltage is less than 0.5V, if described relay both end voltage is less than 0.5V, then give starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wake described battery up, and judge whether described cell voltage is greater than 14V, if be greater than 14V, then judge charging interval or charging voltage, if the described charging interval is 4 hours or described charging voltage be greater than 21V, then judge charging interval or charging voltage, if the described charging interval is 20 hours or described charging voltage be greater than 21V, then judge charging interval or charging current, if the described charging interval is 8 hours or described charging current be less than 4A, then close benchmark, power supply, relay, and judge whether described cell voltage is less than 26.6V, and be greater than 14V, if, then again judge whether cell voltage is greater than 10V.
Preferably, described control circuit also comprises:
Electromagnetism suppresses loop, inrush current suppresses soft start, APFC unit, phase-shift soft switch commutation circuit, inductance, overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit;
Described electromagnetism suppresses loop, described inrush current suppresses soft start, described APFC unit, described phase-shift soft switch commutation circuit, described inductance, described overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit to be connected in series.
Preferably, described MCU is electrically connected by temperature protection circuit and Light Coupled Device and described APFC unit;
Described APFC unit is also electrically connected with auxiliary power supply circuit, and described auxiliary power supply circuit is connected with input under voltage protection circuit;
Described MCU is connected with phase-shift soft switch major loop abnormity protection circuit.
Preferably, described control circuit also comprises:
Galvanometer circuit, output overvoltage protection circuit, charger monitoring internal temperature unit;
Described galvanometer circuit, described output overvoltage protection circuit, described charger monitoring internal temperature unit are all electrically connected with described MCU.
Preferably, described battery management unit comprises Light Coupled Device and communication unit, for being connected with battery by BUS bus.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
A kind of electric boats and ships charger charging method that the embodiment of the present invention provides and electric boats and ships charger, wherein, electric boats and ships charger charging method comprises: Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging; Enter preset charge step to charge to battery.In the present embodiment, by Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging, finally enter preset charge step to charge to battery, solve current charger electric property stable not, more difficult in the more stable output of full load stage realization, produce vibration and different sound, and the technical problem affecting properties of product caused.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of an embodiment of a kind of electric boats and ships charger charging method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of a kind of electric boats and ships charger charging method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the control circuit of a kind of electric boats and ships charger that Fig. 3 provides for the embodiment of the present invention;
The external structure schematic diagram of a kind of electric boats and ships charger that Fig. 4 provides for the embodiment of the present invention;
The cross-sectional view of a kind of electric boats and ships charger that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is the application examples shown in Fig. 2;
Illustrate: MCU1, phase-shift soft switch control circuit 2, output voltage detects feedback 3 and battery management unit 4, electromagnetism suppresses loop 5, inrush current suppresses soft start 6, APFC unit 7, phase-shift soft switch commutation circuit 8, inductance 9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13, temperature protection circuit 14, Light Coupled Device 15, auxiliary power supply circuit 16, input under 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, plate carries radiator 26, screw 27, insulation silica gel sheet 28.
Embodiment
A kind of electric boats and ships charger charging method that the embodiment of the present invention provides and electric boats and ships charger, solve current charger electric property stable not, more difficult in the more stable output of full load stage realization, produce vibration and different sound, and the technical problem affecting properties of product caused.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of a kind of electric boats and ships charger charging method that the embodiment of the present invention provides comprises:
101, Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging;
When needs charge to battery, first need Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging.
102, enter preset charge step to charge to battery.
When Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then after carrying out total power charging, need to enter preset charge step and charge to battery.
In the present embodiment, by Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging, finally enter preset charge step to charge to battery, solve current charger electric property stable not, more difficult in the more stable output of full load stage realization, produce vibration and different sound, and the technical problem affecting properties of product caused.
The above is described in detail the process of electric boats and ships charger charging method, to be described in detail preset charge step below, refer to Fig. 2, another embodiment of a kind of electric boats and ships charger charging method that the embodiment of the present invention provides comprises:
201, Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging;
When needs charge to battery, first need Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging.
It should be noted that, first preset reference temperature is for being not less than 85 degree, second preset reference temperature is for being not less than 70 degree, 3rd preset reference temperature is for being less than 65 degree, when being in the first preset reference temperature, then close benchmark, power supply, relay, and show fault, collecting temperature, if the temperature gathered is less than 75 degree, then determine that relay both end voltage is greater than 2V simultaneously, then closing relay, judge whether relay both end voltage is less than 0.5V, if not, then show fault, if, then start shooting, wait for whether feedback signal is greater than 30s, if be greater than 30s, then show charger fault, if be not more than 30s, then carry out half-power charging, when being in the second preset reference temperature, and temperature protection is effective, then carry out half-power charging, when being in the 3rd preset reference temperature, and temperature protection is effective, then carry out total power charging.
202, judge whether cell voltage is greater than 10V, if so, then perform step 203, if not, then malfunction coefficient;
When Real-time Collection battery temperature, be the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, or be the 3rd preset reference temperature, after then carrying out total power charging, need to judge whether cell voltage is greater than 10V, if, then perform step 203, if not, then malfunction coefficient.
203, judge whether relay both end voltage is greater than 2V, if so, then closing relay, and judge whether relay both end voltage is less than 0.5V, if not, then again perform step 203, if so, then perform step 204;
When judging whether cell voltage is greater than 10V, if so, then enters second stage, if not, then after malfunction coefficient, need to judge whether relay both end voltage is greater than 2V, if so, then closing relay, and judge whether relay both end voltage is less than 0.5V, if not, then again perform step 203.
204, to starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wakes battery up, and judge whether cell voltage is greater than 14V, if be greater than 14V, then perform step 205;
To starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wakes battery up, and judge whether cell voltage is greater than 14V, if be greater than 14V, then perform step 205.
205, judge charging interval or charging voltage, if the charging interval is 4 hours or charging voltage be greater than 21V, then perform step 206;
Judge charging interval or charging voltage, if the charging interval is 4 hours or charging voltage be greater than 21V, then perform step 206.
206, judge charging interval or charging voltage, if the charging interval is 20 hours or charging voltage be greater than 21V, then perform step 207;
Judge charging interval or charging voltage, if the charging interval is 20 hours or charging voltage be greater than 21V, then perform step 207.
207, judge charging interval or charging current, if the charging interval is 8 hours or charging current be less than 4A, then closes benchmark, power supply, relay, and perform step 208;
Judge charging interval or charging current, if the charging interval is 8 hours or charging current be less than 4A, then closes benchmark, power supply, relay, and perform step 208.
208, judge whether cell voltage is less than 26.6V, and be greater than 14V, if so, then return step 202.
Aforesaid step 203 judge wait for feedback signal whether be less than 30s, if be less than 30s, and previous step is 202, then provide three pulses and wake battery up, if be less than 30s, and previous step is 208, then enter step 206.
Step 201 can be application examples as shown in Figure 6 to 208.
In the present embodiment, by Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging, finally enter preset charge step to charge to battery, solve current charger electric property stable not, more difficult in the more stable output of full load stage realization, produce vibration and different sound, and the technical problem affecting properties of product caused.
Refer to Fig. 3, an embodiment of a kind of electric boats and ships charger provided in the embodiment of the present invention comprises:
MCU1, phase-shift soft switch control circuit 2, output voltage detect feedback 3 and battery management unit 4, MCU1 and phase-shift soft switch control circuit 2, output voltage detect feedback 3 and battery management unit 4 is electrically connected, phase-shift soft switch control circuit 2 and output voltage detect feedback 3 and are electrically connected;
Wherein, MCU1 Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging, enters preset charge step and charges to battery.
Further, MCU1, specifically for judging whether cell voltage is greater than 10V, if, then enter second stage, if not, then malfunction coefficient, judge whether relay both end voltage is greater than 2V, if, then closing relay, and judge whether relay both end voltage is less than 0.5V, if relay both end voltage is less than 0.5V, then give starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wake battery up, and judge whether cell voltage is greater than 14V, if be greater than 14V, then judge charging interval or charging voltage, if the charging interval is 4 hours or charging voltage be greater than 21V, then judge charging interval or charging voltage, if the charging interval is 20 hours or charging voltage be greater than 21V, then judge charging interval or charging current, if the charging interval is 8 hours or charging current be less than 4A, then close benchmark, power supply, relay, and judge whether cell voltage is less than 26.6V, and be greater than 14V, if, then again judge whether cell voltage is greater than 10V.
Further, control circuit also comprises:
Electromagnetism suppresses loop 5, inrush current suppresses soft start 6, APFC unit 7, phase-shift soft switch commutation circuit 8, inductance 9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13;
Electromagnetism suppresses loop 5, inrush current suppresses soft start 6 loop, APFC unit 7, phase-shift soft switch commutation circuit 8, inductance 9, overpower-protection circuit 10, current-doubling rectifier 11, filter circuit 12, battery/exception and reverse-connection protection circuit 13 to be connected in series; electromagnetism suppresses loop 5 to comprise EMC filter circuit 12, suppress and improve EMC characteristic; inrush current suppresses soft start 6 loop in power initiation moment, control inputs electric current.Thus protection supply line and the impact of minimizing to power supply itself; APFC unit 7 adopts advanced alternating expression APFC circuit; reduce the profit of switch element; reduce power supply to mention; reduce the ripple current in electrolysis; while current-doubling rectifier 11 reduces output switch device; effectively can improve energy conversion efficiency; the phase-shift soft switch resonant circuit of phase-shift soft switch commutation circuit 8 advanced person; allow power device finance zero-pressure open turn off with zero stream; improve conversion efficiency, have good EMC characteristic simultaneously.
Further, MCU1 is electrically connected with APFC unit 7 by temperature protection circuit 14 and Light Coupled Device 15;
APFC unit 7 is also electrically connected with auxiliary power supply circuit 16, and auxiliary power supply circuit 16 is connected with input under voltage protection circuit 17;
MCU1 is connected with phase-shift soft switch major loop abnormity protection circuit 18.
Further, control circuit also comprises:
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 are all electrically connected with MCU1.
Further, battery management unit 4 comprises Light Coupled Device 15 and communication unit 22, for being connected with battery by BUS bus.
As shown in Figure 4; electric boats and ships charger shell is also provided with heat dissipating housing 23, pneumostome 24 (during work, internal temperature is high, can get rid of the hot-air of expansion, arrives air pressure balance); hommization circular arc 25 designs; be convenient to carrying, protecting sheathing sealing closely, meets IP67 requirement of shelter; increase product useful life; external fault display and software port maintenance, new aluminum alloy shell (surface oxidation treatment, corrosion-resistant).
As shown in Figure 5, plate carries the heat of radiator 26 conducted power device to shell, carry the connection between radiator 26 and shell by screw 27 fixed head, between magnetic element and aluminium shell, add the silica gel sheet 28 that insulate, new aluminum alloy (surface oxidation treatment, corrosion-resistant), the heat transfer of power component carries radiator 26 to plate, and both screw 27 locks, screw 27 locks PCB and shell, screw 27 withstands magnetic on PCB and shell, strengthens shockproof.
The present embodiment, there is up-to-date interleaved power factor correcting circuit, to electrical network no pollution, up-to-date phase whole-bridging circuit, high reliability, adopt the components and parts such as high-conversion rate semiconductor and Low ESR long-life electric capacity, realize long product lifecycle, high reliability, the new material technologies such as master control transformer high magnetic permeability and high-curie temperature, reduce the wastage, improve power supply changeover device efficiency, there is current-doubling rectifier 11, to improve the efficiency of complete machine, have oppositely and inversely connect defencive function circuit, high reliability, adopt and there is domestically leading control chip, can at different loads (as 10% load, 50% load, 100% load) mode of operation adjusts, there is over-temperature protection, overvoltage protection, overcurrent protection, defencive function and Charge Management realize MCU1 whole process control, with under the load connection with communication function, can realize carrying out Charge Management to the battery of different capabilities.
In the present embodiment, by Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carry out half-power charging, if the 3rd preset reference temperature, then carry out total power charging, finally enter preset charge step to charge to battery, solve current charger electric property stable not, more difficult in the more stable output of full load stage realization, produce vibration and different sound, and the technical problem affecting properties of product caused, and adopt fan-free design, easily accomplish water proof and dust proof, being applied in makes an uproar to ring requires high place, the mounting means of power device and radiator integrated, reduce the fraction defective of manual work, improve the shock resistance of product, adopt artificial intelligence software.For battery status automatic charging, fully can supplement the energy content of battery, simple and clear charged state instruction, software upgrading port and the pressure balancing system (respirator) of multiplexing software upgrading mouth uniqueness are multiplexing.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an electric boats and ships charger charging method, is characterized in that, comprising:
Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging;
Enter preset charge step to charge to battery.
2. electric boats and ships charger charging method according to claim 1, it is characterized in that, described preset charge step comprises:
First stage, judge whether cell voltage is greater than 10V, if so, then enters second stage, if not, then malfunction coefficient;
Second stage, judges whether relay both end voltage is greater than 2V, if so, then closes described relay, and judges whether described relay both end voltage is less than 0.5V, if not, then again perform described second stage.
If described relay both end voltage is less than 0.5V, then give starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wakes described battery up, and judge whether described cell voltage is greater than 14V, if be greater than 14V, then enter next stage, until described cell voltage is less than 26.6V, and be greater than 14V, return and gather described battery temperature.
3. electric boats and ships charger charging method according to claim 2, it is characterized in that, described preset charge step also comprises:
Phase III, judge charging interval or charging voltage, if the described charging interval is 4 hours or described charging voltage be greater than 21V, then enter fourth stage;
Fourth stage, judges charging interval or charging voltage, if the described charging interval is 20 hours or described charging voltage be greater than 21V, then enters five-stage;
Five-stage, judges charging interval or charging current, if the described charging interval is 8 hours or described charging current be less than 4A, then closes benchmark, power supply, relay, and enters for the 6th stage;
In 6th stage, judge whether described cell voltage is less than 26.6V, and be greater than 14V, if so, then return the described first stage.
4. electric boats and ships charger charging method according to claim 3, is characterized in that, judges to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wakes described battery up and specifically comprise:
Judge wait for feedback signal whether be less than 30s, if be less than 30s, and previous stage be the first stage, then provide three pulses and wake described battery up, if be less than 30s, and previous stage be the 6th stage, then enter fourth stage.
5. an electric boats and ships charger, is characterized in that, comprising:
MCU, phase-shift soft switch control circuit, output voltage detect feedback and battery management unit, described MCU and described phase-shift soft switch control circuit, described output voltage detect and to feed back and described battery management unit is electrically connected, and described phase-shift soft switch control circuit and described output voltage detect to feed back and be electrically connected;
Wherein, described MCU Real-time Collection battery temperature, if the first preset reference temperature or the second preset reference temperature, then carries out half-power charging, if the 3rd preset reference temperature, then carries out total power charging, enters preset charge step and charges to battery.
6. electric boats and ships charger according to claim 5, is characterized in that,
Described MCU, specifically for judging whether cell voltage is greater than 10V, if, then enter second stage, if not, then malfunction coefficient, judge whether relay both end voltage is greater than 2V, if, then closed described relay, and judge whether described relay both end voltage is less than 0.5V, if described relay both end voltage is less than 0.5V, then give starting-up signal, and judge to wait for whether feedback signal is less than 30s, if be less than 30s, then provide three pulses and wake described battery up, and judge whether described cell voltage is greater than 14V, if be greater than 14V, then judge charging interval or charging voltage, if the described charging interval is 4 hours or described charging voltage be greater than 21V, then judge charging interval or charging voltage, if the described charging interval is 20 hours or described charging voltage be greater than 21V, then judge charging interval or charging current, if the described charging interval is 8 hours or described charging current be less than 4A, then close benchmark, power supply, relay, and judge whether described cell voltage is less than 26.6V, and be greater than 14V, if, then again judge whether cell voltage is greater than 10V.
7. electric boats and ships charger according to claim 6, it is characterized in that, described control circuit also comprises:
Electromagnetism suppresses loop, inrush current suppresses soft start, APFC unit, phase-shift soft switch commutation circuit, inductance, overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit;
Described electromagnetism suppresses loop, described inrush current suppresses soft start, described APFC unit, described phase-shift soft switch commutation circuit, described inductance, described overpower-protection circuit, current-doubling rectifier, filter circuit, battery/exception and reverse-connection protection circuit to be connected in series.
8. electric boats and ships charger according to claim 7, is characterized in that, described MCU is electrically connected by temperature protection circuit and Light Coupled Device and described APFC unit;
Described APFC unit is also electrically connected with auxiliary power supply circuit, and described auxiliary power supply circuit is connected with input under voltage protection circuit;
Described MCU is connected with phase-shift soft switch major loop abnormity protection circuit.
9. electric boats and ships charger according to claim 8, it is characterized in that, described control circuit also comprises:
Galvanometer circuit, output overvoltage protection circuit, charger monitoring internal temperature unit;
Described galvanometer circuit, described output overvoltage protection circuit, described charger monitoring internal temperature unit are all electrically connected with described MCU.
10. electric boats and ships charger according to claim 9, it is characterized in that, described battery management unit comprises Light Coupled Device and communication unit, for being connected with battery by BUS bus.
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