CN109729715A - Cradle apparatus, electrical equipment and control method - Google Patents
Cradle apparatus, electrical equipment and control method Download PDFInfo
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- CN109729715A CN109729715A CN201780049080.1A CN201780049080A CN109729715A CN 109729715 A CN109729715 A CN 109729715A CN 201780049080 A CN201780049080 A CN 201780049080A CN 109729715 A CN109729715 A CN 109729715A
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- port
- electric
- storage means
- electric power
- electric storage
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- 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
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Cradle apparatus includes: the 1st port for the connection of external power system；For the 2nd port of the 1st electric storage means of the packaged type connection that can be assembled and disassembled；3rd port is connect with the charger of the 2nd electric storage means possessed by electrical load, and exports the electric power from external power system and at least one of the electric power from the 1st electric storage means for being assemblied in the 2nd port；Signal generation portion generates signal relevant to the electric power that the 3rd port can export；Transmission unit sends signal to electrical load.
Description
Technical field
The present invention relates to reel cage (cradle) device, electrical equipment and control methods.
Background technique
Following vehicle charge device is recorded in patent document 1 comprising: the system that will be supplied from commercial distribution gauze
Electrical power conversion is the converter section of direct current power；The battery of electric power storage is carried out to the direct current power supplied from converter section；It will be via conversion
The combining unit that the systematic electricity that portion comes is synthesized with the electric power to charge to battery；And it is set between converter section, battery and combining unit
3 switch, switch switch according to the charge request for the vehicle connecting via charging cable with combining unit.Set on combining unit
The 1st switch between converter section is switched on when systematic electricity is to vehicle supply electric power.In addition, be set to combining unit and battery it
Between the 2nd switch, be switched on when from battery to vehicle supply electric power.In addition, the be set between converter section and battery the 3rd opens
It closes, is switched on when to battery powered system electric power.Thus, in the case where the charge request of not vehicle, the 1st switch and the
2 switches are cut off, and the 3rd switch is connected to charge to battery.On the other hand, there are the charge request of vehicle the case where
Under, the 1st switch and the 2nd switch are switched on if being threshold value or more if the charging power value of vehicle, and the 3rd switch is cut off.In addition, if
The charging power value of vehicle is lower than threshold value, then the 1st switch conduction, and the 2nd switch is cut off.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2012-125095 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2013-207823 bulletin
Summary of the invention
The technical problems to be solved by the invention
In the vehicle charge device of above-mentioned patent document 1, there are the charge request of vehicle, if indicate from
The information of the charged state for the Vehicular battery that vehicle is sent i.e. charging power value be threshold value more than, then to vehicle supply will charge in
The electric power that the electric power of battery and systematic electricity are synthesized into, if charging power value is less than threshold value, only by systematic electricity to vehicle
Supply.In this way, being only dependent upon the information from vehicle to the size of the electric power of vehicle supply.But there are following situations: i.e.
Systematic electricity and the synthesis electric power of the electric power to charge to battery is set to have surplus capacity, due to being limited to supplying electric power for vehicle supply
Information, i.e. charging power value from vehicle, therefore the electric power that can not be supplied using vehicle charge device to greatest extent.
Electric power to greatest extent capable of being supplied to electrical load the purpose of the present invention is to provide one kind, (it is used from outside
Electric system electric power and electric power from packaged type electric storage means) cradle apparatus, electrical equipment and control method.
For solving the means of technical problem
To achieve the goals above, the 1st scheme is a kind of cradle apparatus, comprising: the 1st port is (for example, aftermentioned embodiment party
1st port 101 of formula), it is connected for external power system；2nd port (for example, the 2nd port 102 of aftermentioned embodiment),
For the 1st electric storage means of packaged type (for example, secondary cell 300 of the aftermentioned embodiment) connection that can be assembled and disassembled；3rd port (example
Such as, the 3rd port 103 of aftermentioned embodiment), with electrical load (for example, electric vehicle 200 of aftermentioned embodiment)
The charger of possessed 2nd electric storage means (for example, main battery 204 of aftermentioned embodiment) is (for example, aftermentioned embodiment
Charger 205) connection, by the electric power from the external power system and from being assemblied in the described 1st of the 2nd port
The output of at least one of electric power of electric storage means；Test section (for example, test section 105 of aftermentioned embodiment), to being assemblied in
The state of the 1st electric storage means of 2nd port is detected；Signal generation portion is (for example, the control of aftermentioned embodiment
Portion 109 and signal generation portion 107), generate the signal for indicating the 1st electric power relating value, the 1st electric power relating value with from described the
The electric power that 3 ports can export is related；And transmission unit (for example, communication unit 108 of aftermentioned embodiment), to described electrical
Load sends the signal, and the capacity of the 1st electric storage means is less than the capacity of the 2nd electric storage means, and the signal generation portion exists
In the case that the 1st electric storage means that can be discharged is assemblied in the 2nd port, based on the 1st electric storage means to discharge
State, change the signal.
The invention that 2nd scheme is recorded is, in the invention that the 1st scheme is recorded, the 1st electric storage means to discharge
State refers to the electric power that the 1st electric storage means that can be discharged can export.
The invention that 3rd scheme is recorded is that in the invention that the 2nd scheme is recorded, the test section is to the institute discharged
The charged state for stating the 1st electric storage means is detected, and the electric power that the 1st electric storage means to discharge can export is according to
Charged state and export.
The invention that 4th scheme is recorded is, in the invention that any one of the 1st scheme~the 3rd scheme is recorded, multiple described the
1 electric storage means can individually be assembled and disassembled relative to the 2nd port, and the test section is directed to each institute for being assemblied in the 2nd port
The 1st electric storage means detecting state is stated, it is described in the case where multiple the 1st electric storage means to discharge are assemblied in 2 port
The summation of respective state of the signal generation portion based on the multiple the 1st electric storage means to discharge, changes the signal.
The invention that 5th scheme is recorded is, in the invention that any one of the 1st scheme~the 4th scheme is recorded, the signal is raw
The generation of the signal is handled and is initialized as opportunity by the assembly and disassembly at portion using the 1st electric storage means to the 2nd port.
6th scheme record invention be, any one of the 1st scheme~the 5th scheme record invention in, including with it is described
The connection of 3rd port, the 4th port (for example, the 4th port 104 of aftermentioned embodiment) for exporting AC power, what can be discharged
In the case that 1st electric storage means is assemblied in the 2nd port and exports AC power from the 4th port, the signal is raw
State at portion based on the 1st electric storage means to discharge and the AC power exported from the 4th port, described in change
Signal.
The invention that 7th scheme is recorded is a kind of electrical equipment, is connect with the 3rd port of cradle apparatus, the cradle apparatus
Include:
1st port (for example, the 1st port 101 of aftermentioned embodiment) is connected for external power system；2nd port
(for example, the 2nd port 102 of aftermentioned embodiment), for the 1st electric storage means of packaged type that can assemble and disassemble (for example, aftermentioned reality
Apply the secondary cell 300 of mode) connection；3rd port (for example, the 3rd port 103 of aftermentioned embodiment), will be from described outer
The electric power of portion's electric system and from least one of electric power of the 1st electric storage means for being assemblied in the 2nd port export；
Test section (for example, test section 105 of aftermentioned embodiment), the shape to the 1st electric storage means for being assemblied in the 2nd port
State is detected；Signal generation portion (for example, control unit 109 and signal generation portion 107 of aftermentioned embodiment), can discharge
The 1st electric storage means be assemblied in the 2nd port in the case where, the signal generation portion is based on described to discharge
The state of 1 electric storage means, generates the signal for indicating the 1st electric power relating value, the 1st electric power relating value with from the 3rd port energy
The electric power enough exported is related；And transmission unit (for example, communication unit 108 of aftermentioned embodiment), the signal is sent, it is described
Electrical equipment includes: the 2nd storage of the power supply as the electrical equipment (for example, electric vehicle 200 of aftermentioned embodiment)
The charger (for example, charger 205 of aftermentioned embodiment) of electric appliance (for example, main battery 204 of aftermentioned embodiment)；
Receiving unit (for example, communication unit 206 of aftermentioned embodiment) receives the signal sent from the cradle apparatus；With
And control unit (for example, ECU207 of aftermentioned embodiment), based on the 1st electric power relating value shown by the signal
The 2nd electric power relating value relevant with the maximum power that can be acted to the charger, controls the charger.
The invention that 8th scheme is recorded is that in the invention that the 7th scheme is recorded, the control unit is associated in the 2nd electric power
Value carries out the control of the following charger in the case where being greater than the 1st electric power relating value: will be associated with the 1st electric power
It is worth the electric power that the corresponding electric power from the external power system and the 1st electric storage means to discharge can export
Add up to as the input from the cradle apparatus.
The invention that 9th scheme is recorded is, in the invention that the 7th scheme or the 8th scheme are recorded, the control unit is described the
2 electric power relating values carry out the control of the following charger in the case where being greater than the 1st electric power relating value: from described
On the electric power of external power system gradually plus from the 1st electric storage means to discharge electric power, finally will with it is described
The corresponding electric power from the external power system of 1st electric power relating value and the 1st electric storage means to discharge can
The electric power of output it is total as the input from the cradle apparatus.
The invention that 10th scheme is recorded is, in the invention that any one of the 7th scheme~the 9th scheme is recorded, the described 1st stores
Electric appliance can be assembled and disassembled relative to the electrical equipment, be assemblied in the 1st electric storage means of the electrical equipment as described electrical
The power supply of equipment and utilize.
The invention that 11st scheme is recorded is a kind of control method, is the control method that cradle apparatus carries out, the reel cage dress
Setting includes: the 1st port (for example, the 1st port 101 of aftermentioned embodiment), is connected for external power system；2nd port (example
Such as, the 2nd port 102 of aftermentioned embodiment), for the 1st electric storage means of packaged type that can assemble and disassemble (for example, aftermentioned implementation
The secondary cell 300 of mode) connection；And the 3rd port (for example, the 3rd port 103 of aftermentioned embodiment), and it is electrical negative
The 2nd electric storage means possessed by (for example, electric vehicle 200 of aftermentioned embodiment) is carried (for example, the master of aftermentioned embodiment
Battery 204) charger (for example, charger 205 of aftermentioned embodiment) connection, will be from the external power system
Electric power and from least one of electric power of the 1st electric storage means for being assemblied in the 2nd port export, the 1st electric power storage
The capacity of device is less than the capacity of the 2nd electric storage means, in the control method, stores to be assemblied in the 2nd port the described 1st
The state of electric appliance is detected, in the case where the 1st electric storage means that can be discharged is assemblied in 2 port, based on described
The state for the 1st electric storage means that can be discharged and generate indicate the 1st electric power relating value signal, Xiang Suoshu electrical load send institute
Signal is stated, the 1st electric power relating value is related to the electric power that can be exported from the 3rd port.
The effect of invention
According to the invention of the 1st scheme and the 11st scheme, in the state that the 1st electric storage means that can be discharged is assemblied in 2 port,
Signal corresponding with the state of the 1st electric storage means that this can discharge is sent to electrical load.In this way, the charger quilt of electrical load
It is notified of the electric power relating value supplied from cradle apparatus, therefore can supply and used from external electric system to charger
Electric power and both electric power from the 1st electric storage means that can be discharged electric power to greatest extent.
According to the invention of the 2nd scheme, change signal due to the electric power that can be exported based on the 1st electric storage means that can be discharged,
Therefore electrical load can obtain accurate information corresponding with the electric power that the 1st electric storage means can export by signal.
According to the invention of the 3rd scheme, due to exporting the 1st electric power storage according to the charged state for the 1st electric storage means that can be discharged
The electric power that device can export, therefore can to obtain the electric power that can be exported with the 1st electric storage means corresponding more acurrate for electrical load
Information.
According to the invention of the 4th scheme, even if multiple the 1st electric storage means that discharge are assemblied in the 2nd port, can be sent out to electrical load
Send signal corresponding with the summation of the state of each electric storage means.Therefore, it can supply to have used to the charger of electrical load and come from
The electric power of external electric system and electric power to greatest extent from both multiple each electric power of the 1st electric storage means to discharge.
According to the invention of the 5th scheme, due to leading to the change of the electric power supplied from cradle apparatus because of the assembly and disassembly of the 1st electric storage means
It is dynamic big, and influence of the variation to the charger of electrical load is big, thus by using the assembly and disassembly as opportunity and by the generation of signal
Processing initialization is able to suppress the influence to external electric system and charger.
According to the invention of the 6th scheme, since power supply and Xiang Lian to the charger of electrical load can be carried out simultaneously
It is connected to the power supply of other electrical loads of the 4th port, therefore improves the convenience of cradle apparatus.
According to the invention of the 7th scheme, based on the 1st electric power relating value relevant to the electric power that can be exported from the 3rd port and
The 2nd electric power relating value relevant to the maximum power that the charger of electrical load can act, to control the charging of electrical load
Device.Therefore, the charger of electrical load can be maximum in receiving in the range of acting maximum power for being no more than the charger
Electric power.
According to the invention of the 8th scheme, electric power to greatest extent, the i.e. ratio that charger utilizing cradle apparatus can supply is from outer
The big electric power of the electric power of the electric system in portion, the simulation that can be realized for the 2nd electric storage means of electrical load are rapidly charged.
According to the invention of the 9th scheme, charger is controlled as follows: can be realized for electrical load the 2nd
It is when the simulation of electric storage means is rapidly charged, gradually changed for the setting value of the charger, therefore, can reduce because in reel cage dress
The sharply variation that the 2nd port set newly is assembled with the generated electric power supplied from cradle apparatus when can discharge 1 electric storage means is led
The influence to external electric system and charger caused.
According to the invention of the 10th scheme, the 1st electric storage means can also be assemblied in electrical load and the power supply as electrical load
It uses.In this way, the 1st electric storage means can be used as power supply source when charging to the 2nd electric storage means of electrical load, Er Qieke
It is used using the power supply as electrical load, therefore it is improved using frequency.
Detailed description of the invention
Fig. 1 is the electric vehicle for indicating the cradle apparatus of an embodiment of the present invention and being connected to cradle apparatus
The block diagram of schematic configuration.
Fig. 2 is the cradle apparatus for indicating another embodiment of the present invention and the electric vehicle for being connected to cradle apparatus
Schematic configuration block diagram.
Fig. 3 is the process of the processing in the cradle apparatus indicated when charging via main battery of the cradle apparatus to electric vehicle
Figure.
Fig. 4 is the figure for indicating to make by the assembly and disassembly of secondary cell the processing initialization of cradle apparatus.
Fig. 5 is the flow chart of the processing in electric vehicle when indicating ECU control charger.
Specific embodiment
Hereinafter, being described with reference to embodiments of the present invention.
Fig. 1 is the electric vehicle for indicating the cradle apparatus of an embodiment of the present invention and being connected to cradle apparatus
The block diagram of schematic configuration.As shown in Figure 1, to equipped with main electricity of motor (MOT) 201 as the electric vehicle 200 of driving source
When pond (BATTm) 204 is charged, the charger 205 of electric vehicle 200 is connected to cradle apparatus 100 via cable 113.
Cradle apparatus 100 shown in FIG. 1, which is that plug 111 is inserted in the socket connecting with external powers systems such as source power supplies, (does not scheme
Show) state, be equipped with can relative to electric vehicle 200 assemble and disassemble secondary cell (BATTs) 300.It should be noted that secondary cell
300 be the packaged type secondary cell smaller than the capacity of main battery 204.
Hereinafter, illustrating the composition and movement of cradle apparatus 100.
Cradle apparatus 100 includes the 1st port 101, the 2nd port 102, the 3rd port 103, the 4th port 104, test section
105, electric power combining unit 106, signal generation portion 107, communication unit 108, control unit 109.
1st port 101 is to connect via plug 111 with external electric system (hreinafter referred to as " electric system ")
Port, by the electric power input got from electric system in electric power combining unit 106.
2nd port 102 is the port for assembling secondary cell 300, is connected to electric power combining unit 106.It should be noted that
In the example depicted in figure 1,3 the 2nd ports 102 are equipped in cradle apparatus 100, pair can be assembled and disassembled respectively in each 2nd port 102
Battery 300.
3rd port 103 is that output cradle apparatus 100 supplies, to electric vehicle 200 via the electricity of electric power combining unit 106
The port of power is connected to the charger 205 of electric vehicle 200 via cable 113.
4th port 104 is set to the outlet side of electric power combining unit 106, is the port for exporting the electric power from electric system.?
4th port 104 can connect the plug of electrical equipment other than electric vehicle 200 etc..
Test section 105 detects the charged state for the secondary cell 300 for being assemblied in the 2nd port 102.Above-mentioned charged state
It is the SOC (State of Charge) or terminal voltage of secondary cell 300, the current value that secondary cell 300 discharges is according to SOC or end
Sub- voltage and it is different.It should be noted that test section 105 is right in the case where the 2nd port 102 is equipped with multiple secondary cell 300
The respective charged state of multiple secondary cells 300 of assembly is detected.
Electric power combining unit 106 is to the electric power via the 1st port 101 from electric system and from being assemblied in the 2nd port
The electric power of 102 secondary cell 300 to discharge is synthesized.As shown in Figure 1, electric power combining unit 106 has the 1st port of connection
The power conversion unit 110 of the power line 115 of 101 and the 3rd port 103, the identical quantity in 2 port He Yu 102, the electrical power conversion
Portion 110 is set side by side for power line 115.Power conversion unit self-chambering in 110 future is discharged assigned in the 2nd port 102
The direct current power of secondary cell 300 be converted to AC power.Also, power conversion unit 110 is by the alternating current from electric system
Power is converted to direct current power.The electric power that direct current is converted to by power conversion unit 110 is electrically charged in the pair assembled in the 2nd port 102
Battery 300.Switch motion when power conversion unit 110 carries out electrical power conversion is controlled by control unit 109.Electric power combining unit 106
Output is connected to the 3rd port 103 and the 4th port 104.
It should be noted that the Inner Constitution of electric power combining unit 106 can be composition shown in Fig. 2.Structure shown in Fig. 2
Cheng Zhong, electric power combining unit 106 have set on the 1st power conversion unit 121 of 101 side of the 1st port and set on 1036 side of the 3rd port
The 2nd power conversion unit 122, the power line 123 between the 1st power conversion unit 121 and the 2nd power conversion unit 122 connects side by side
It is connected to the 2nd port 102.AC power from electric system is converted to direct current power by the 1st power conversion unit 121.Also, the
Direct current power is converted to AC power by 2 power conversion units 122.The 121 and the 2nd electricity of 1st power conversion unit is controlled by control unit 109
Power converter section 122 carries out switch motion when electrical power conversion.
Signal generation portion 107 generates pilot signal according to the instruction from control unit 109, and the pilot signal is to pass through
Duty ratio indicates the PWM (Pulse from the exportable maximum current value (hereinafter referred to as " the 1st current value ") in the 3rd port 103
Width Modulation, pulsewidth modulation) signal.In the case where the 2nd 102 unassembled secondary cell 300 discharged of port, the
1 current value is the current value of electric system, the case where the 2nd port 102 is assembled with secondary cell 300 that at least one can discharge
Under, the 1st current value is obtained by each current value that the current value of electric system is discharged plus the secondary cell that can be discharged 300
Value.In this way, the duty ratio for the pilot signal that signal generation portion 107 generates is according to the pair electricity to discharge for being assemblied in the 2nd port 102
The summation for the current value that pond 300 is discharged and change.It should be noted that being connected with inserting for electrical equipment etc. in the 4th port 104
In the case where head, the summation based on the current value to discharge from the secondary cell 300 that discharges for being assemblied in the 2nd port 102 subtract from
The value obtained after the current value of 4th port 104 output, to change the duty ratio of pilot signal.
Communication unit 108 in the state that the charger 205 of electric vehicle 200 is connected to the 3rd port 103 via cable 113,
The pilot signal that signal generation portion 107 generates is sent to electric vehicle 200 via cable 113.In addition, communication unit 108 is shaking
When rack device 100 is connected to the charger 205 of electric vehicle 200 via cable 113, initial signal is sent, and is received from electricity
The response signal of motor-car 200.It should be noted that communication unit 108 power line communication (digital communication) technology can be used and
By signal overlap electrically sending in electric power of the transmission from cradle apparatus 100.
Control unit 109 generates signal using the connection of cradle apparatus 100 and the charger 205 of electric vehicle 200 as opportunity
The generation of the instruction of portion 107 pilot signal.In addition, control unit 109 controls power conversion unit 110 possessed by electric power combining unit 106
(or the 1st power conversion unit 121 and the 2nd power conversion unit 122) carries out switch motion when electrical power conversion.Control unit 109 is with such as
Under type is controlled: the charged state based on the secondary cell 300 for being assemblied in the 2nd port 102 that test section 105 detects is
By from being judged as that the electric power for the secondary cell 300 that can be discharged synthesizes, by electric power corresponding with the secondary cell that can be discharged 300
Converter section 110 carries out electrical power conversion.As a result, in electric power combining unit 106, electric power from electric system with from being assemblied in the 2nd
The electric power for the secondary cell 300 of port 102 to discharge is synthesized.
Fig. 3 is in the cradle apparatus 100 indicated when charging via main battery 204 of the cradle apparatus 100 to electric vehicle 200
Processing flow chart.As shown in figure 3, in cradle apparatus 100, when confirming the charger 205 for having connected electric vehicle 200
When (step S101 is yes), test section 105 detects each charged state for the secondary cell 300 for being assemblied in the 2nd port 102
(step S103).Control unit 109 judges whether to be assembled with (the step of secondary cell 300 that can be discharged according to the testing result of step S103
Rapid S105), S107 is entered step if being assembled with the secondary cell 300 that can be discharged, if unassembled enter step S109.
In step S107, control unit 109 will add what the secondary cell 300 that can be discharged was discharged in the current value of electric system
Value obtained by each current value is set as the 1st current value.In addition, control unit 109 sets the current value of electric system in step S109
It is set to the 1st current value.1st current value is the exportable maximum current value in the 3rd port 103 from cradle apparatus 100, be not limited to from
The current value of 100 reality output of cradle apparatus.Then, control unit 109 indicates signal generation portion 107, with generate with
The pilot signal of the 1st corresponding duty ratio of current value of step S107 or step S109 setting, signal generation portion 107 generate the elder generation
Lead signal (step S111).Then, the pilot signal that signal generation portion 107 generates is sent to electric vehicle 200 by communication unit 108
(step S113).
It should be noted that the processing about above explained cradle apparatus 100, as shown in figure 4, with secondary cell 300 to
The assembly and disassembly of 2nd port 102 are opportunity, and either when putting can all be initialised, and start again at the processing of step S101.
Then, illustrate the composition and movement of electric vehicle 200.
Electric vehicle 200 include motor (MOT) 201, PDU (Power Drive Unit, power drive unit) 202,
VCU (Voltage Control Unit, voltage control unit) 203, main battery (BATTm) 204, charger 205, communication unit
206 and ECU (Electronic Control Unit, electronic control unit) 207.
Motor 201 generates the driving force travelled for electric vehicle 200.DC voltage is converted to alternating current by PDU202
It presses and 3 phase currents is supplied to motor 201.VCU203 is set to the slit for being used to assemble secondary cell 300 of electric vehicle 200
Between PDU202, the direct current power that the secondary cell 300 for being assemblied in electric vehicle 200 is exported carries out voltage conversion.
Main battery 204 is the secondary cell mainly supplied electric power to motor 201, is exported straight as such as 50~200V
The high voltage of stream.In addition, the power charge that main battery 204 is supplied via charger 205 from cradle apparatus 100.
Charger 205 is connect side by side with main battery 204, the alternating current that will come via cable 113 from the supply of cradle apparatus 100
Power is converted to direct current power.It is input to the electric current of charger 205 via cable 113, believes with the guide sent from cradle apparatus 100
Number duty ratio shown by the 1st current value (can from the 3rd port 103 of cradle apparatus 100 export maximum current value) it is identical.
The voltage level or levels of current for the direct current power that charger 205 exports are controlled by ECU207.
Communication unit 206 receives the pilot signal sent from cradle apparatus 100.The pilot signal quilt that communication unit 206 receives
It is sent to ECU207.
1st current value and charger shown by the duty ratio for the pilot signal that ECU207 is received based on communication unit 206
205 movable maximum current values (hereinafter referred to as " the 2nd current value "), to control charger 205.That is, ECU207 is to charger
205 carry out control corresponding with the smaller side current value in the 1st current value and the 2nd current value.
Fig. 5 is the flow chart of the processing in the electric vehicle 200 indicated when ECU207 controls charger 205.Such as Fig. 5 institute
Show, in the communication unit 206 of electric vehicle 200, confirms and receive the pilot signal that sends from cradle apparatus 100 (step S201 is
It is) when, ECU207 obtains the movable maximum current value of charger 205 (the 2nd current value) (step S203).Then, ECU207
Judge the 1st current value shown by the duty ratio of pilot signal (from the exportable maximum electricity in the 3rd port 103 of cradle apparatus 100
Flow valuve) with the size relation of the 2nd current value, S207 is then entered step if " the 1st current value of the 2nd current value > ", if the " the 1st
Current value >=the 2nd current value " then enters step S209.The electricity of the 1st current value and electric system is judged in step S207, ECU207
The size relation of flow valuve then enters step S211 if " current value of the 1st current value > electric system ", if " electric system
Current value >=the 1st current value " then enter step S213.
In step S209~S213, ECU207 setting is directed to the setting electric current value of charger 205.In step S209, reel cage
Device 100 can export the 1st current value, but due to the 1st current value >=the 2nd current value, ECU207 will be directed to setting for charger 205
Constant current value is set as the 2nd current value.In addition, ECU207 will be set for the setting electric current value of charger 205 in step S211
At being gradually changed from the current value of electric system, eventually become the 1st current value.In addition, ECU207, which will be directed to, to be filled in step S213
The setting electric current value of electric appliance 205 is set as the 1st current value.Finally, ECU207 controls charger 205, so that from cradle apparatus
100 for giving the corresponding electric current (step S215) of setting electric current value in the setting of step S209~step S213 either step.
As described above, according to the present embodiment, the state of the 2nd port 102 is assemblied in the secondary cell 300 that can be discharged
Under, pilot signal is correspondingly generated with the current value of the electric discharge of the secondary cell 300 according to derived from the charged state of the secondary cell 300,
And it is sent to electric vehicle 200.In this way, the charger 205 of electric vehicle 200 is notified the electric current supplied from cradle apparatus 100
Value, therefore can be supplied to charger 205 by the electric power from external electric system and from the secondary cell 300 that can be discharged
The electric power to greatest extent that electric power is synthesized into.
In addition, can be sent to electric vehicle 200 even if multiple secondary cells 300 to discharge are assemblied in the 2nd port 102
Pilot signal corresponding with the summation of the current value of each secondary cell.Therefore, it can be supplied to the charger 205 of electric vehicle 200
The maximum limit of both the electric power from external electric system and each electric power from multiple secondary cells 300 that discharge is used
Spend electric power.
In addition, in electric vehicle 200, based on the exportable maximum current in the 3rd port 103 from cradle apparatus 100
Relevant 1st current value and the 2nd current value relevant to the movable maximum current of charger 205 of electric vehicle 200 are controlled
Charger 205 processed.Therefore, charger 205 can connect in the range of being no more than the movable maximum current of the charger 205
Maximum power is received, the simulation that can be realized for the main battery 204 of electric vehicle 200 is rapidly charged.
Further, since charger 205 is controlled as follows, that is, it can be realized the main electricity for electric vehicle 200
It gradually changes, therefore is can reduce because shaking when the simulation in pond 204 is rapidly charged, for the setting electric current value of the charger 205
2nd port 102 of rack device 100 is newly assembled with the generated electric power supplied from cradle apparatus 100 when can discharge secondary cell 300
Sharply change caused by influence to external electric system and charger 205.
Further, since causing the variation of the electric power supplied from cradle apparatus 100 big because of the assembly and disassembly of secondary cell 300, and should
It is big to change influence to the charger 205 of electric vehicle 200, thus by using the assembly and disassembly as opportunity and by the generation of pilot signal
Processing initialization is able to suppress the influence to external electric system and charger 205.
Furthermore, it is possible to be carried out simultaneously to the power supply of the charger 205 of electric vehicle 200 and to being connected to the 4th port
The power supply of 104 electrical equipment etc., therefore improve the convenience of cradle apparatus 100.
It is used in addition, secondary cell 300 can also be assemblied in electric vehicle 200 as the power supply of electric vehicle 200.Such as
This, secondary cell 300 is not only power supply source when charging to the main battery 204 of electric vehicle 200, is also used as electric vehicle
200 power supply uses, therefore it utilizes frequency raising.
It should be noted that the present invention is not limited to above-mentioned embodiment, deformation appropriate, improvement etc. can be carried out.Example
Such as, in cradle apparatus 100 and electric vehicle 200, the 1st current value and the 2nd current value and other current values can be replaced and
It is similarly handled based on power value.
The application is based on August 8th, 2016 Japanese patent applications (Patent 2016-155514) filed an application, content
It is fully incorporated as reference herein.
The explanation of appended drawing reference
100 cradle apparatus；101 the 1st ports；102 the 2nd ports；103 the 3rd ports；104 the 4th ports；105 test sections；106
Electric power combining unit；107 signal generation portions；108 communication units；109 control units；110 power conversion units；113 cables；121 the 1st electric power
Converter section；122 the 2nd power conversion units；200 electric vehicles；201 motor (MOT)；202PDU；203VCU；204 main batterys
(BATTm)；205 chargers；206 communication units；207ECU；300 secondary cells (BATTs).
Claims (11)
1. a kind of cradle apparatus, comprising:
1st port is connected for external power system；
2nd port is connected for the 1st electric storage means of packaged type that can be assembled and disassembled；
3rd port is connect with the charger of the 2nd electric storage means possessed by electrical load, will come from the external power system
Electric power and in the electric power of the 1st electric storage means for being assemblied in the 2nd port at least one party output；
Test section detects the state for the 1st electric storage means for being assemblied in the 2nd port；
Signal generation portion, generates the signal for indicating the 1st electric power relating value, the 1st electric power relating value with from the 3rd port energy
The electric power enough exported is related；And
Transmission unit, Xiang Suoshu electrical load send the signal,
The capacity of 1st electric storage means is less than the capacity of the 2nd electric storage means,
The signal generation portion, can based on described in the case where the 1st electric storage means that can be discharged is assemblied in 2 port
The state of the 1st electric storage means of electric discharge, changes the signal.
2. cradle apparatus according to claim 1, wherein
The state of the 1st electric storage means to discharge refers to the electricity that the 1st electric storage means that can be discharged can export
Power.
3. cradle apparatus according to claim 2, wherein
The test section detects the charged state of the 1st electric storage means to discharge,
The electric power that the 1st electric storage means to discharge can export is exported according to the charged state.
4. cradle apparatus described in any one of claim 1 to 3, wherein
Multiple 1st electric storage means can individually be assembled and disassembled relative to the 2nd port,
The test section is directed to and is assemblied in each of the 2nd port the 1st electric storage means detecting state,
In the case where multiple the 1st electric storage means to discharge are assemblied in 2 port, the signal generation portion is based on institute
The summation for stating the respective state of multiple the 1st electric storage means to discharge, changes the signal.
5. cradle apparatus according to any one of claims 1 to 4, wherein
Assembly and disassembly generation as opportunity and by the signal of the signal generation portion using the 1st electric storage means to the 2nd port
Processing initialization.
6. cradle apparatus according to any one of claims 1 to 5, wherein
The 4th port including connecting, exporting AC power with the 3rd port,
The 2nd port is assemblied in the 1st electric storage means that can be discharged and the feelings of AC power are exported from the 4th port
Under condition, state of the signal generation portion based on the 1st electric storage means to discharge and the friendship from the 4th port output
Galvanic electricity power changes the signal.
7. a kind of electrical equipment, connect with the 3rd port of cradle apparatus, the cradle apparatus includes:
1st port is connected for external power system；
2nd port is connected for the 1st electric storage means of packaged type that can be assembled and disassembled；
3rd port, by the electric power from the external power system and from the 1st electric power storage for being assemblied in the 2nd port
At least one party's output in the electric power of device；
Test section detects the state for the 1st electric storage means for being assemblied in the 2nd port；
Signal generation portion, in the case where the 1st electric storage means that can be discharged is assemblied in 2 port, the signal is generated
State of the portion based on the 1st electric storage means to discharge generates the signal for indicating the 1st electric power relating value, the 1st electric power
Relating value is related to the electric power that can be exported from the 3rd port；And
Transmission unit sends the signal,
The electrical equipment includes:
The charger of 2nd electric storage means of the power supply as the electrical equipment；
Receiving unit receives the signal sent from the cradle apparatus；And
Control unit can act most based on the 1st electric power relating value shown by the signal and with the charger
The relevant 2nd electric power relating value of big electric power, controls the charger.
8. electrical equipment according to claim 7, wherein
Described in control unit progress in the case where the 2nd electric power relating value is greater than the 1st electric power relating value is following
The control of charger: it by the electric power from the external power system corresponding with the 1st electric power relating value and described puts
The electric power that can export of the 1st electric storage means of electricity it is total as the input from the cradle apparatus.
9. electrical equipment according to claim 7 or 8, wherein
Described in control unit progress in the case where the 2nd electric power relating value is greater than the 1st electric power relating value is following
The control of charger: it is gradually stored plus from the described 1st to discharge on the electric power from the external power system
The electric power of electric appliance, finally by the electric power from the external power system corresponding with the 1st electric power relating value and it is described can
The electric power that can export of the 1st electric storage means of electric discharge it is total as the input from the cradle apparatus.
10. the electrical equipment according to any one of claim 7~9, wherein
1st electric storage means can be assembled and disassembled relative to the electrical equipment, be assemblied in the 1st electric storage means of the electrical equipment
As the electrical equipment power supply and utilize.
11. a kind of control method, is the control method that cradle apparatus carries out, the cradle apparatus includes:
1st port is connected for external power system；
2nd port is connected for the 1st electric storage means of packaged type that can be assembled and disassembled；And
3rd port is connect with the charger of the 2nd electric storage means possessed by electrical load, will come from the external power system
Electric power and from least one of electric power of the 1st electric storage means for being assemblied in the 2nd port export,
The capacity of 1st electric storage means is less than the capacity of the 2nd electric storage means,
In the control method,
The state for the 1st electric storage means for being assemblied in the 2nd port is detected,
In the case where the 1st electric storage means that can be discharged is assemblied in 2 port, based on the described 1st to discharge
The state of electric storage means and generate the signal for indicating the 1st electric power relating value, the 1st electric power relating value with from the 3rd port energy
The electric power enough exported is related,
The signal is sent to the electrical load.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-155514 | 2016-08-08 | ||
| JP2016155514 | 2016-08-08 | ||
| PCT/JP2017/014585 WO2018029902A1 (en) | 2016-08-08 | 2017-04-07 | Cradle device, electric instrument, and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109729715A true CN109729715A (en) | 2019-05-07 |
| CN109729715B CN109729715B (en) | 2022-07-15 |
Family
ID=61161850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780049080.1A Active CN109729715B (en) | 2016-08-08 | 2017-04-07 | Cradle device, electrical apparatus, and control method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6661018B2 (en) |
| CN (1) | CN109729715B (en) |
| WO (1) | WO2018029902A1 (en) |
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| US11251714B1 (en) | 2020-12-09 | 2022-02-15 | Contemporary Amperex Technology Co., Limited | Method, apparatus and system for improving energy transmission efficiency between battery and power grid |
| CN114683889A (en) * | 2020-12-28 | 2022-07-01 | 丰田自动车株式会社 | Charging device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018029902A1 (en) | 2018-02-15 |
| JPWO2018029902A1 (en) | 2019-03-28 |
| CN109729715B (en) | 2022-07-15 |
| JP6661018B2 (en) | 2020-03-11 |
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