CN205039570U - Low -voltage DC -DC converter integral type charging device - Google Patents
Low -voltage DC -DC converter integral type charging device Download PDFInfo
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- CN205039570U CN205039570U CN201520688348.4U CN201520688348U CN205039570U CN 205039570 U CN205039570 U CN 205039570U CN 201520688348 U CN201520688348 U CN 201520688348U CN 205039570 U CN205039570 U CN 205039570U
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a low -voltage DC -DC converter integral type charging device, it includes: power switching over portion, it will exchange power switching over and be DC power supply or be alternating current power supply with direct current power switching over, direct current - interchange converter section, it converts DC power supply alternating current power supply into or converts alternating current power supply into DC power supply, the low -voltage portion of charging, its with direct current - interchange converter section is connected to charge to the low -voltage battery, the high voltage portion of charging, its with direct current - interchange converter section is connected to charge to the high voltage battery, and the control part, it is through switch -on or disconnection direct current - interchange converter section the high voltage portion of charging reaches the low -voltage charge the portion and go on the high voltage battery or the charging or discharge of low -voltage battery to arbitrary mode with in the multiple mode is controlled.
Description
Technical field
The utility model relates to low-voltage dc-dc charging device, in more detail, a kind of low-voltage dc-dc integral type charging device that high-voltage battery and low-voltage battery can be made simultaneously to charge by being switched on or switched off Power convert portion, power supply lifting splenium, DC-AC converter section, high-voltage charge portion or low-voltage charging part or power supply unit is charged is related to.
Background technology
Low-voltage dc-dc (LDC), as the device in order to the electronics load supply power to electric automobile or hybrid vehicle, battery high voltage being converted to 12V low-voltage, has the function of the alternating current generator replacing existing vehicle.In addition, onboard charger (OBC) has reception AC power supplies and supplies and be converted into DC power supply, and to the function that the high-voltage battery of electric automobile charges.
Fig. 1 is the circuit diagram of the inside of the vehicle-mounted charging device that prior art is shown, Fig. 2 is the block diagram of the operational process of the low-voltage dc-dc integral type charging device that prior art is shown.
With reference to Fig. 1 and Fig. 2, low-voltage dc-dc (LDC) integral charger of prior art is made and is only performed charger or low-voltage dc-dc (LDC) function according to operational mode.The first mode of low-voltage dc-dc (LDC) integral charger of prior art is charger operational mode, it is the pattern that high-voltage battery used for electric vehicle is charged, second pattern is low-voltage dc-dc (LDC) operational mode, is the pattern of charging to 12V low-voltage battery.That is, low-voltage dc-dc (LDC) integral charger of prior art has with the first mode charged to high-voltage battery and the simple control structure to the second mode operation that low-voltage battery charges.
But, in low-voltage dc-dc (LDC) integral charger of above-mentioned prior art, charger (OBC) and low-voltage dc-dc (LDC) can not be run simultaneously.That is, the shortcoming of existence is: when using vehicle load in off-duty low-voltage dc-dc situation, and low-voltage battery discharges, and therefore when carrying out high-voltage charge, cannot use vehicle load because of off-duty low-voltage dc-dc.
In addition, the shortcoming of existence is: cannot be connected with the power network of future generation that electric power remaining in electric automobile can be passed to again supply of electric power source (Grid).
Therefore, need one can run high-voltage charge and low-voltage charging simultaneously, and low-voltage dc-dc (LDC) the integral type charging device in supply of electric power source (Grid) can be connected.
Prior art document
Patent documentation
(patent documentation 1) KR1244939B1
Utility model content
The technical problem solved
The utility model proposes in order to the problem solved as described above, and its object is to provides one to charge to high-voltage battery and low-voltage battery simultaneously and can connect the low-voltage dc-dc integral type charging device with various modes in supply of electric power source (Grid).
For the technological means of dealing with problems
For achieving the above object, low voltage DC-DC (DirectCurrent-DirectCurrent) transducer integral type charging device of the present utility model comprises: Power convert portion, and AC power is converted to DC power supply or DC power supply is converted to AC power by it; DC-AC converter section, DC power supply is converted to AC power or AC power is converted to DC power supply by it; Low-voltage charging part, it is connected with described DC-AC converter section, and charges to low-voltage battery; High-voltage charge portion, it is connected with described DC-AC converter section, and charges to high-voltage battery; And control part, it carries out the charge or discharge of described high-voltage battery or described low-voltage battery by being switched on or switched off described DC-AC converter section, described high-voltage charge portion and described low-voltage charging part, thus in different modes in arbitrary pattern control.
Now, feature can be: under the first mode in described various modes, and described control part connects described DC-AC converter section and described low-voltage charging part, and disconnects described high-voltage charge portion, thus charges to described low-voltage battery.
In addition, feature can be: under the second pattern in described various modes, and described control part connects described DC-AC converter section and described high-voltage charge portion, and disconnects described low-voltage charging part, thus charges to described high-voltage battery.
In addition, feature can be: under the three-mode in described various modes, described control part connects described DC-AC converter section, described low-voltage charging part and described high-voltage charge portion, thus charges to described low-voltage battery and described high-voltage battery.
In addition, feature can be: under the four-mode in described various modes, described control part connects described low-voltage charging part and described high-voltage charge portion, and disconnects described DC-AC converter section, thus utilizes the power supply of described high-voltage battery to charge to described low-voltage battery.
In addition, feature can be: under the 5th pattern in described various modes, described control part connects described DC-AC converter section and described high-voltage charge portion, and disconnects described low-voltage charging part, thus utilizes the power supply of described high-voltage battery to intelligent grid transmitting electric power.
In addition, feature can be: under the 6th pattern in described various modes, described control part connects described low-voltage charging part and described high-voltage charge portion, and disconnects described DC-AC converter section, thus utilizes the power supply of described low-voltage battery to charge to described high-voltage battery.
Now, feature can be: described control part utilizes pulse width modulation (PWM, PulseWidthModulation) signal to control described DC-AC converter section, described high-voltage charge portion and described low-voltage charging part.
Now, feature can be: AC power is converted to DC power supply and charges to described high-voltage battery by described high-voltage charge portion, or described high-tension DC power supply is converted to AC power and exports.
In addition, feature can be: AC power is converted to DC power supply and charges to described low-voltage battery by described low-voltage charging part, or the DC power supply of described low-voltage is converted to AC power and exports.
In addition, feature can be: described low-voltage charging part and described high-voltage charge portion are low-voltage dc-dc (LDC, LowVoltageDC-DCConverter) circuit.
In addition, feature can be: described DC-AC converter section and described high-voltage charge portion comprise full-bridge converters.
In addition, feature can be: described low-voltage dc-dc integral type charging device also comprises and also comprises lifting splenium, this lifting splenium is connected between described DC-AC converter section and described Power convert portion, and performs boosting or the step-down of described DC power supply.
In addition, feature can be: described low-voltage battery is 12V battery.
In addition, feature can be: when utilizing the power supply of described high-voltage battery traveling, described high-voltage battery cannot be utilized to start vehicle or the electric discharge of described high-voltage battery, described 6th pattern utilizes the power supply of described low-voltage battery to charge to described high-voltage battery.
The technique effect of utility model
According to low-voltage dc-dc integral type charging device of the present utility model, can charge to high-voltage battery and low-voltage battery simultaneously, and battery and supply of electric power source (power supply unit) in vehicle can be made to be interconnected, and also vehicle load can be used when charging to high-voltage battery.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the inside of the vehicle-mounted charging device that prior art is shown.
Fig. 2 is the block diagram of the operational process of the low-voltage dc-dc integral type charging device that prior art is shown.
Fig. 3 is the block diagram of the formation that low-voltage dc-dc integral type charging device of the present utility model is shown.
Fig. 4 is the block diagram of the low-voltage battery charge mode that low-voltage dc-dc integral type charging device of the present utility model is shown.
Fig. 5 is the block diagram of the high-voltage battery charge mode that low-voltage dc-dc integral type charging device of the present utility model is shown.
The block diagram of charge mode while that Fig. 6 being low-voltage battery and the high-voltage battery that low-voltage dc-dc integral type charging device of the present utility model is shown.
Fig. 7 is the block diagram of the low-voltage battery charge mode (when vehicle travels charging) undertaken by high-voltage battery that low-voltage dc-dc integral type charging device of the present utility model is shown.
Fig. 8 is the block diagram of power supply unit (electrical network (Grid) charging) charge mode undertaken by high-voltage battery that low-voltage dc-dc integral type charging device of the present utility model is shown.
Fig. 9 is the block diagram of the high-voltage battery charge mode (promptly charging) undertaken by low-voltage battery that low-voltage dc-dc integral type charging device of the present utility model is shown.
Description of reference numerals
1: low-voltage dc-dc integral type charging device of the present utility model
100: power supply unit 200: Power convert portion
300: power supply lifting splenium 400: DC-AC converter section
500: high-voltage charge portion 600: high-voltage battery
700: low-voltage charging part 800: low-voltage battery
900: control part 1000: electrical equipment load
Embodiment
It should be noted that term as used in this specification is just in order to illustrate specific embodiment, and non-limiting the utility model.In addition, as long as term as used in this specification is not defined as other meanings in this manual especially, should be interpreted as having in technical field disclosed in this specification the meaning that the personnel of usual knowledge are general understood, should not be construed as the meaning excessively summarized or excessively reduce.In addition, accompanying drawing is just in order to make technical conceive easy understand disclosed in this explanation, instead of limit its technical conceive by accompanying drawing, be interpreted as comprising all changes that technical conceive disclosed in this specification and technical scope comprise, equivalent and substitute.
Below, an embodiment of low-voltage dc-dc integral type charging device of the present utility model is described in detail with reference to accompanying drawing.
With reference to Fig. 3 to Fig. 9, an embodiment of low-voltage dc-dc integral type charging device of the present utility model can comprise power supply unit 100, Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500, high-voltage battery 600, low-voltage charging part 700, low-voltage battery 800 and control part 900.
Above-mentioned power supply unit 100 can charge to above-mentioned high-voltage battery 600 or low-voltage battery 800 or be charged by above-mentioned high-voltage battery 600.
AC power from above-mentioned power supply unit 100 is converted to DC power supply or the DC power supply from power supply lifting splenium 300 is converted to AC power by above-mentioned Power convert portion 200.That is, above-mentioned Power convert portion 200 can for be converted to DC power supply or to be the rectifying device (Rectifier) of AC power supplies by DC Power convert by AC power supplies.
Above-mentioned power supply lifting splenium 300 boosts or decompression DC power supply.That is, above-mentioned power supply lifting splenium 300 can make the DC power supply from above-mentioned Power convert portion 200 boost or make the DC power supply step-down from above-mentioned DC-AC converter section.
DC power supply from above-mentioned power supply lifting splenium 300 is converted to AC power by above-mentioned DC-AC converter section 400, or the AC power from high-voltage charge portion 500 or low-voltage charging part 700 is converted to DC power supply.
Above-mentioned high-voltage charge portion 500 is connected to above-mentioned DC-AC converter section 400 and low-voltage charging part 700 connects, and charges to high-voltage battery 600.
Above-mentioned high-voltage battery 600 can charge to above-mentioned power supply unit 100 or low-voltage battery 800, or is charged by above-mentioned power supply unit 100 or low-voltage battery 800.
Above-mentioned low-voltage charging part 700 is connected with above-mentioned DC-AC converter section 400 and above-mentioned high-voltage charge portion 500, and low-voltage battery 800 is charged.
Above-mentioned low-voltage battery 800 can charge to above-mentioned power supply unit 100 or high-voltage battery 600, or is charged by above-mentioned power supply unit 100 or high-voltage battery 600.
Above-mentioned control part 900, by being switched on or switched off above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500 or low-voltage charging part 700, controls the charge or discharge of above-mentioned power supply unit 100, high-voltage battery 600 or low-voltage battery 800.Namely, above-mentioned control part 900 is switched on or switched off above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500 or low-voltage charging part 700 respectively according to each pattern, to above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500 or low-voltage charging part 700 export pwm signal based on each pattern, thus can control above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500 and low-voltage charging part 700.
In more detail, above-mentioned control part 900 can comprise the first mode charged to above-mentioned low-voltage battery 800, second pattern of charging to above-mentioned high-voltage battery 600, the three-mode simultaneously charged to above-mentioned low-voltage battery 800 and above-mentioned high-voltage battery 600, the four-mode charged to above-mentioned low-voltage battery 800 with above-mentioned high-voltage battery 600, the 5th pattern of charging to above-mentioned power supply unit 100 with above-mentioned high-voltage battery 600 and the 6th pattern of charging to above-mentioned high-voltage battery with above-mentioned low-voltage battery 800.
Above-mentioned first mode is the pattern when charging to above-mentioned low-voltage battery 800 with the power supply of above-mentioned power supply unit 100 by above-mentioned control part 900 execution.Under above-mentioned first mode, above-mentioned control part 900 can connect above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and low-voltage charging part 700, disconnects above-mentioned high-voltage charge portion 500.Namely, under above-mentioned first mode, above-mentioned control part 900 is controlled to only makes above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and low-voltage charging part 700 can be run, thus low-voltage dc-dc integral type charging device 1 of the present utility model is only used as low-voltage dc-dc.
Now, above-mentioned control part 900 can control the pwm signal upwards stating Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and low-voltage charging part 700 export, thus charges to above-mentioned low-voltage battery 800 with the power supply of above-mentioned power supply unit 100.Under above-mentioned first mode, can charge to above-mentioned low-voltage battery 800 when the power supply no consumption of above-mentioned high-voltage battery 600, therefore, it is possible to extend the operating range utilizing above-mentioned high-voltage battery 600 to travel.
Above-mentioned second pattern is the pattern when charging to above-mentioned high-voltage battery 600 with the power supply of above-mentioned power supply unit 100 by above-mentioned control part 900 execution.Under above-mentioned second pattern, above-mentioned control part 900 can connect above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and high-voltage charge portion 500, disconnects above-mentioned low-voltage charging part 700.Namely, under above-mentioned second pattern, above-mentioned control part 900 is controlled to and only makes above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and high-voltage charge portion 500 run, thus low-voltage dc-dc integral type charging device 1 of the present utility model is only used as charger (OBC).Now, above-mentioned control part 900 can control upwards to state Power convert portion 200, power supply is elevated the pwm signal that splenium 300, DC-AC converter section 400 and high-voltage charge portion 500 export, thus charges to above-mentioned high-voltage battery 600 with the power supply of above-mentioned power supply unit 100.
Above-mentioned three-mode is the pattern when charging to above-mentioned low-voltage battery 800 and high-voltage battery 600 with the power supply of above-mentioned power supply unit 100 simultaneously by above-mentioned control part 900 execution.Under above-mentioned three-mode, above-mentioned control part 900 can connect above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500 and low-voltage charging part 700.Namely, under above-mentioned three-mode, above-mentioned control part 900 is controlled to and above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400, high-voltage charge portion 500 and low-voltage charging part 700 can be run, thus low-voltage dc-dc integral type charging device 1 of the present utility model is used as charger (OBC) and low-voltage dc-dc simultaneously.
Now, above-mentioned control part 900 can control upwards to state Power convert portion 200, power supply is elevated the pwm signal that splenium 300, DC-AC converter section 400, high-voltage charge portion 500 and low-voltage charging part 700 export, thus charges to above-mentioned high-voltage battery 600 and low-voltage battery 800 with the power supply of above-mentioned power supply unit 100.Under above-mentioned three-mode, owing to being used as charger (OBC) and low-voltage dc-dc simultaneously, therefore also can use the electrical equipment load 1000 of vehicle when high-voltage battery charges without the need to starting vehicle.
Above-mentioned four-mode is the pattern when charging to above-mentioned low-voltage battery 800 with the power supply of above-mentioned high-voltage battery 600 by above-mentioned control part 900 execution.Under above-mentioned four-mode, above-mentioned control part 900 can connect above-mentioned high-voltage charge portion 500 and low-voltage charging part 700, disconnects above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400.
Namely, under above-mentioned four-mode, above-mentioned control part 900 is controlled to and only makes above-mentioned high-voltage charge portion 500 and low-voltage charging part 700 run, thus low-voltage dc-dc integral type charging device 1 of the present utility model is only used as low-voltage dc-dc.Now, above-mentioned control part 900 can control the pwm signal upwards stating high-voltage charge portion 500 and low-voltage charging part 700 output, thus charges to above-mentioned low-voltage battery 800 with the power supply of above-mentioned high-voltage battery 600.Wherein, above-mentioned four-mode performs can travel at the vehicle carrying above-mentioned low voltage DC-DC converter integral type charging device.
Above-mentioned 5th pattern is the pattern when charging to above-mentioned power supply unit 100 with the power supply of above-mentioned high-voltage battery 600 by above-mentioned control part 900 execution.Under above-mentioned 5th pattern, above-mentioned control part 900 can connect above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and high-voltage charge portion 500, disconnects above-mentioned low-voltage charging part 700.Namely, under above-mentioned 5th pattern, above-mentioned control part 900 is controlled to and only makes above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400 and high-voltage charge portion 500 run, thus is used as intelligent grid purposes by low-voltage dc-dc integral type charging device 1 of the present utility model.
Now, above-mentioned control part 900 can control upwards to state Power convert portion 200, power supply is elevated the pwm signal that splenium 300, DC-AC converter section 400 and high-voltage charge portion 500 export, thus charges to above-mentioned power supply unit 100 with the power supply of above-mentioned high-voltage battery 600.Wherein, above-mentioned 5th pattern can perform under the power supply of above-mentioned high-voltage battery 600 has remaining situation.
Above-mentioned 6th pattern is the pattern when charging to above-mentioned high-voltage battery 600 with the power supply of above-mentioned low-voltage battery 800 by above-mentioned control part 900 execution.Under above-mentioned 6th pattern, above-mentioned control part 900 can connect high-voltage charge portion 500 and low-voltage charging part 700, disconnects above-mentioned Power convert portion 200, power supply lifting splenium 300, DC-AC converter section 400.
That is, under above-mentioned 6th pattern, above-mentioned control part 900 is controlled to and only makes high-voltage charge portion 500 and low-voltage charging part 700 run, thus low-voltage dc-dc integral type charging device 1 of the present utility model is only used as low-voltage dc-dc.Now, above-mentioned control part 900 can control the pwm signal upwards stating high-voltage charge portion 500 and low-voltage charging part 700 output, thus charges to above-mentioned high-voltage battery 600 with the power supply of above-mentioned low-voltage battery 800.Wherein, above-mentioned 6th pattern performs cannot be able to utilize the power supply of high-voltage battery 600 traveling that high-voltage battery 600 maybe cannot be utilized to start the situation such as vehicle or high-voltage battery 600 electric discharge at the vehicle carrying above-mentioned low-voltage dc-dc integral type charging device 1 under.
Low-voltage charging part 700 and high-voltage charge portion 500 can be LDC (LowVoltageDC-DCConverter) circuit.In addition, above-mentioned DC-AC converter section and high-voltage charge portion comprise full-bridge converters.
As mentioned above, undoubtedly, in the scope that basic fundamental of the present utility model is conceived, the personnel in art with usual knowledge can carry out other various deformation, and interest field of the present utility model should make an explanation based on appending claims.
Claims (15)
1. a low-voltage dc-dc integral type charging device, is characterized in that, comprising:
Power convert portion, AC power is converted to DC power supply or DC power supply is converted to AC power by it;
DC-AC converter section, DC power supply is converted to AC power or AC power is converted to DC power supply by it;
Low-voltage charging part, it is connected with described DC-AC converter section, and charges to low-voltage battery;
High-voltage charge portion, it is connected with described DC-AC converter section, and charges to high-voltage battery; And
Control part, it carries out the charge or discharge of described high-voltage battery or described low-voltage battery by being switched on or switched off described DC-AC converter section, described high-voltage charge portion and described low-voltage charging part, thus in different modes in arbitrary pattern control.
2. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Under first mode in described various modes, described control part connects described DC-AC converter section and described low-voltage charging part, and disconnects described high-voltage charge portion, thus charges to described low-voltage battery.
3. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Under the second pattern in described various modes, described control part connects described DC-AC converter section and described high-voltage charge portion, and disconnects described low-voltage charging part, thus charges to described high-voltage battery.
4. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Under three-mode in described various modes, described control part connects described DC-AC converter section, described low-voltage charging part and described high-voltage charge portion, thus charges to described low-voltage battery and described high-voltage battery.
5. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Under four-mode in described various modes, described control part connects described low-voltage charging part and described high-voltage charge portion, and disconnects described DC-AC converter section, thus utilizes the power supply of described high-voltage battery to charge to described low-voltage battery.
6. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Under the 5th pattern in described various modes, described control part connects described DC-AC converter section and described high-voltage charge portion, and disconnects described low-voltage charging part, thus utilizes the power supply of described high-voltage battery to intelligent grid transmitting electric power.
7. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Under the 6th pattern in described various modes, described control part connects described low-voltage charging part and described high-voltage charge portion, and disconnects described DC-AC converter section, thus utilizes the power supply of described low-voltage battery to charge to described high-voltage battery.
8. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
Described control part utilizes pulse width modulating signal to control described DC-AC converter section, described high-voltage charge portion and described low-voltage charging part.
9. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
AC power is converted to DC power supply and charges to described high-voltage battery by described high-voltage charge portion, or described high-tension DC power supply is converted to AC power and exports.
10. low-voltage dc-dc integral type charging device according to claim 1, is characterized in that,
AC power is converted to DC power supply and charges to described low-voltage battery by described low-voltage charging part, or the DC power supply of described low-voltage is converted to AC power and exports.
11. low-voltage dc-dc integral type charging devices according to claim 1, is characterized in that,
Described low-voltage charging part and described high-voltage charge portion are low-voltage DC-DC converter circuit.
12. low-voltage dc-dc integral type charging devices according to claim 1, is characterized in that,
Described DC-AC converter section and described high-voltage charge portion comprise full-bridge converters.
13. low-voltage dc-dc integral type charging devices according to claim 1, is characterized in that,
Described low-voltage dc-dc integral type charging device also comprises lifting splenium, and this lifting splenium is connected between described DC-AC converter section and described Power convert portion, and performs boosting or the step-down of described DC power supply.
14. low-voltage dc-dc integral type charging devices according to claim 1, is characterized in that,
Described low-voltage battery is 12V battery.
15. low-voltage dc-dc integral type charging devices according to claim 7, is characterized in that,
When utilizing the power supply of described high-voltage battery traveling, described high-voltage battery cannot be utilized to start vehicle or the electric discharge of described high-voltage battery, described 6th pattern utilizes the power supply of described low-voltage battery to charge to described high-voltage battery.
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| KR10-2014-0131056 | 2014-09-30 | ||
| KR1020140131056A KR102255749B1 (en) | 2014-09-30 | 2014-09-30 | Device for low voltage dc-dc converter-integrated charger |
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| CN111077464A (en) * | 2018-10-22 | 2020-04-28 | 现代摩比斯株式会社 | Direct current converter capable of monitoring battery condition and battery condition monitoring method thereof |
| US11101737B2 (en) | 2018-12-27 | 2021-08-24 | Delta Electronics (Shanghai) Co., Ltd. | On-board charging/discharging system and control method thereof |
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| KR20180044484A (en) | 2016-10-21 | 2018-05-03 | 주식회사 엘지화학 | Apparatus and method for providing charging voltage |
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| FR3066655B1 (en) * | 2017-05-19 | 2019-07-19 | Valeo Siemens Eautomotive France Sas | ELECTRIC CHARGER SYSTEM FOR ELECTRIC OR HYBRID VEHICLE |
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| KR102316992B1 (en) * | 2021-05-24 | 2021-10-26 | 주식회사 엠디엠 | High voltage/low voltage converter device for commercial vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107359682A (en) * | 2017-07-29 | 2017-11-17 | 深圳市国电赛思科技有限公司 | A kind of two-way charging changes two-in-one power-supply system and its control method with direct current |
| CN111077464A (en) * | 2018-10-22 | 2020-04-28 | 现代摩比斯株式会社 | Direct current converter capable of monitoring battery condition and battery condition monitoring method thereof |
| US11585856B2 (en) | 2018-10-22 | 2023-02-21 | Hyundai Mobis Co., Ltd. | Direct current converter capable of monitoring battery condition and battery condition monitoring method thereof |
| US11913994B2 (en) | 2018-10-22 | 2024-02-27 | Hyundai Mobis Co., Ltd. | Direct current converter capable of monitoring battery condition and battery condition monitoring method thereof |
| US11101737B2 (en) | 2018-12-27 | 2021-08-24 | Delta Electronics (Shanghai) Co., Ltd. | On-board charging/discharging system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160038348A (en) | 2016-04-07 |
| KR102255749B1 (en) | 2021-05-25 |
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