CN105915176B - The beginning decision maker and its application method and vehicle of solar power generation - Google Patents
The beginning decision maker and its application method and vehicle of solar power generation Download PDFInfo
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- CN105915176B CN105915176B CN201610099791.7A CN201610099791A CN105915176B CN 105915176 B CN105915176 B CN 105915176B CN 201610099791 A CN201610099791 A CN 201610099791A CN 105915176 B CN105915176 B CN 105915176B
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- 238000010248 power generation Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims description 9
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000005259 measurement Methods 0.000 claims description 38
- 238000012360 testing method Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 23
- 238000012937 correction Methods 0.000 description 35
- 238000012545 processing Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 102100035767 Adrenocortical dysplasia protein homolog Human genes 0.000 description 1
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- 101000929940 Homo sapiens Adrenocortical dysplasia protein homolog Proteins 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
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- 238000004904 shortening Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
There is provided can be with the beginning decision maker of the better simply solar power generation for being constituted the power for accurately determining that solar battery can be output.The generated energy PM of solar battery is measured in the metering circuit being set between voltage conversion circuit and battery and vehicle electric load, when the generated energy PM measured is decision threshold PMTH or more, the judgement for the supply for permitting the generation power of solar battery to load is carried out.By measuring generated energy PM in the metering circuit being set between voltage conversion circuit and electrical load, the higher generated energy of precision can be obtained.When the generated energy PM measured in metering circuit is less than decision threshold PMTH, carry out the judgement for the supply for forbidding the generation power of solar battery to electrical load, determine to forbid time point of period TINT again lighting have passed through from the time, carrying out power supply again could determine.
Description
Technical field
Can the present invention relates to the solar power generation for determining supply the generation power of solar battery to electrical load
Start decision maker.
Background technique
It shows and a kind of supplies the generation power of solar battery to negative via power-converting device in patent document 1
The photovoltaic power generation system of load.Within the system, between solar battery and power-converting device, setting current detecting electricity
Resistance and via the current sense resistor by the short-circuiting device of the output terminal short circuit of solar battery, when making short-circuiting device work by
When the short circuit current that current sense resistor detects has been more than given threshold value, start the output power of solar battery to load
Supply.
It is shown in patent document 2 and a kind of have solar battery and be transformed to hand over by the output power of solar battery
The solar power generating device of the power governor of galvanic electricity power.According to the device, by being arranged near solar battery too
Positive calorimeter and the temperature sensor of temperature for detecting solar battery detect insolation amount and temperature, based on detecting
Insolation amount and temperature calculate expectation generated energy, and shown.
Patent document 1:JP Japanese Laid-Open Patent Publication 2-156313 bulletin
Patent document 2:JP special open 2006-101591 bulletin
In the system shown in patent document 1, the detection of short circuit current is between solar battery and power-converting device
It carries out, determine power supply based on the detection short circuit current could.Therefore, output voltage is not considered, and is adjusting
Determined before to maximum power point, so there is room for improvement in terms of judgement precision.Although in addition, can be based on special
Generated energy is expected shown in sharp document 2, to determine that the generation power of solar battery can be supplied to electrical load, still
Need pyroheliometer.In terms of cost, encapsulation, it is desirable to be wanted as far as possible without using such high price and ponderable addition
Furthermore solar battery is being equipped on vehicle under such circumstances by element, the increase of weight sometimes can become problem.
Summary of the invention
The present invention considers above-mentioned aspect and makees, it is intended that a kind of beginning decision maker of solar power generation is provided,
It can be constituted the power for accurately determining that solar battery can be output with better simply.
In order to achieve the above objectives, the invention that the 1st mode is recorded is a kind of beginning decision maker of solar power generation, tool
Have: generated energy measurement unit (13) can measure the generated energy (PM) of solar battery (2) power generation；Voltage transformating part (11),
The output voltage of the solar battery is converted to electrical load (15,20) and is supplied；And determination unit (10,12),
Its electric power for carrying out the solar cell power generation could could be sentenced to the judgement i.e. power supply that the electrical load supplies
Fixed, the beginning decision maker of the solar power generation is characterized in that, generated energy measurement unit (13) setting becomes in the voltage
It changes between portion (11) and the electrical load (15,20), the generated energy that the determination unit measures in the generated energy measurement unit
(PM) for more than decision threshold (PMTH) it when, carries out permitting the generation power of the solar battery to the electrical load
The judgement of supply.
According to this constitution, when being measured in the generated energy measurement unit being set between voltage transformating part and electrical load
Generated energy be decision threshold more than when, carry out license solar battery supply from generation power to electrical load judgement
(judgement that power generation starts).By in the generated energy measurement unit being set between voltage transformating part and electrical load to power generation
Amount is measured, so as to when being adjusted to obtain the voltage of maximum power for the output voltage of voltage transformating part
It is measured, the higher generated energy of precision can be obtained.As a result, can accurately be determined too with better simply constituted
The power that positive energy battery can be output, can more suitably carry out the generation power of solar battery to the supply of electrical load
It could determine.
The invention that 2nd mode is recorded is characterized in that, in the beginning decision maker for the solar power generation that the 1st mode is recorded
In, when the generated energy (PM) that the determination unit measures in the generated energy measurement unit is less than the decision threshold (PMTH), into
Row forbids the generation power of the solar battery to the judgement of the supply of the electrical load, is forbidding determining from carrying out this
Time light have passed through determine to forbid again during (TINT) time point, carrying out the power supply again could determine.
According to this constitution, carrying out forbidding the sun when the generated energy measured in generated energy measurement unit is less than decision threshold
Can battery supply from generation power to electrical load judgement, forbidding the time determined to light and have passed through again from carrying out this
At time point during determining to forbid, carrying out power supply again could determine.By have passed through determine to forbid again during it is laggard
Row determines again, so as to the corresponding variation because of generated energy caused by increase for the insolation amount irradiated to solar battery etc..
The invention that 3rd mode is recorded is characterized in that, in the beginning decision maker for the solar power generation that the 2nd mode is recorded
In, based on the generated energy (PM) measured in the generated energy measurement unit, progress is described to be determined to forbid period again the determination unit
(TINT) amendment.
According to this constitution, due to based on the generated energy measured in generated energy measurement unit, then determined to forbid period
Amendment, so the setting during determining to forbid again becomes suitably, can be expected to generated energy become decision threshold or more when
The power supply that phase executes next time could determine.
The invention that 4th mode is recorded is characterized in that, in the beginning for the solar power generation that the 2nd mode or the 3rd mode are recorded
In decision maker, also there is parameter acquisition unit, which, which obtains, has related pass to the generated energy of the solar battery
The generated energy relevant parameter (TA) of system, the determination unit based on the generated energy relevant parameter obtained by the parameter acquisition unit,
Carry out the amendment for determining to forbid period (TINT) again.
According to this constitution, being determined to forbid the phase again based on generated energy relevant parameter (such as outside air temperature, insolation amount etc.)
Between amendment.When the direction that a possibility that being increased by the value in generated energy relevant parameter to generated energy gets higher has carried out variation
It is modified to the direction shortened during determining to forbid again, so as to execute electric power confession next time in the period of more appropriate
To could determine.Shift to an earlier date as a result, the period that license determines can be supplied power to or inhibit power supply that could determine
Execution number.
The invention that 5th mode is recorded is characterized in that, in the beginning decision maker for the solar power generation that the 4th mode is recorded
In, the parameter acquisition unit includes the outside air temperature test section (32) that can detect outside air temperature (TA), the generated energy correlation ginseng
Number includes the outside air temperature (TA) by outside air temperature test section detection.
According to this constitution, based on outside air temperature detected come to being modified during determining to forbid again.Due to solar energy
The generated energy of battery have the more high then more increased tendency of outside air temperature, so for example by be higher than fiducial temperature when, to contracting
It is short determine to forbid again during direction be modified, when being lower than fiducial temperature, Xiang Yanchang determine to forbid again during direction into
Row amendment could determine so as to execute power supply next time in the period of more appropriate.
The invention that 6th mode is recorded provides a kind of with the hair of sunlight described in any one of the 1st mode~the 5th mode
The vehicle (1) of the beginning decision maker of electricity.In the vehicle, such as in the generation power pair by external solar battery
In the case that the battery of vehicle is charged, be able to carry out charging appropriate could judgement.
The invention that 7th mode is recorded is a kind of beginning decision maker of solar power generation, comprising: generated energy measurement unit
(13), the generated energy (PM) for being equipped on solar battery (2) power generation of vehicle (1) can be measured；Voltage transformating part (11),
The output voltage of the solar battery is converted to electrical load (15,20) and is supplied；And determination unit (10,12),
Its electric power for carrying out the solar cell power generation could could be sentenced to the judgement i.e. power supply that the electrical load supplies
Fixed, the beginning decision maker of the solar power generation is characterized in that, generated energy measurement unit (13) setting becomes in the voltage
It changes between portion (11) and the electrical load (15,20), the generated energy that the determination unit measures in the generated energy measurement unit
(PM) for more than decision threshold (PMTH) it when, carries out permitting the generation power of the solar battery to the electrical load
The judgement of supply.
According to this constitution, ought be measured in the generated energy measurement unit being set between voltage transformating part and electrical load
When generated energy is decision threshold or more, carry out license be equipped on vehicle solar battery generation power to electrical load
The judgement of supply.By being carried out in the generated energy measurement unit being set between voltage transformating part and electrical load to generated energy
Metering, so as to be counted when being adjusted to obtain the voltage of maximum power for the output voltage of voltage transformating part
Amount, can obtain the higher generated energy of precision.As a result, can accurately determine solar-electricity with better simply constituted
The power that pond can be output, can more suitably carry out supply of the generation power of solar battery to electrical load could sentence
It is fixed.
The invention that 8th mode is recorded is characterized in that, in the beginning decision maker for the solar power generation that the 7th mode is recorded
In, when the generated energy (PM) that the determination unit measures in the generated energy measurement unit is less than the decision threshold (PMTH), into
Row forbids the generation power of the solar battery to the judgement of the supply of the electrical load, is forbidding determining from carrying out this
Time light have passed through determine to forbid again during (TINT) time point, carrying out the power supply again could determine.
According to this constitution, effect identical with the invention that the 2nd mode is recorded can be obtained.
The invention that 9th mode is recorded is characterized in that, in the beginning decision maker for the solar power generation that the 8th mode is recorded
In, based on the generated energy (PM) measured in the generated energy measurement unit, progress is described to be determined to forbid period again the determination unit
(TINT) amendment.
According to this constitution, effect identical with the invention that the 3rd mode is recorded can be obtained, and with solar battery
Generation power in the case where driving vehicle, the distance that can be travelled just is able to extend when that can be determined again in advance.
The invention that 10th mode is recorded is characterized in that, in opening for the solar power generation that the 8th mode or the 9th mode are recorded
In beginning decision maker, also there is parameter acquisition unit, parameter acquisition unit acquirement has related to the generated energy of the solar battery
The generated energy relevant parameter of relationship, the determination unit based on the generated energy relevant parameter obtained by the parameter acquisition unit, into
The row amendment for determining to forbid period (TINT) again.
According to this constitution, effect identical with the invention that the 4th mode is recorded can be obtained, and with solar battery
Generation power in the case where driving vehicle, the distance that can be travelled just is able to extend when that can be determined again in advance.
The invention that 11st mode is recorded is characterized in that, starts judgement dress in the solar power generation that the 10th mode is recorded
In setting, the parameter acquisition unit includes the outside air temperature test section (32) that can detect outside air temperature (TA), and the generated energy is related
Parameter includes the outside air temperature (TA) detected by the outside air temperature test section.
According to this constitution, effect identical with the invention that the 5th mode is recorded can be obtained, and with solar battery
Generation power in the case where driving vehicle, the distance that can be travelled just is able to extend when that can be determined again in advance.
The invention that 12nd mode is recorded is characterized in that, in the solar power generation that the 10th mode or the 11st mode are recorded
Start in decision maker, the parameter acquisition unit includes operating condition parameter acquisition unit, which obtains
Indicate operating condition parameter (VP, vehicle location, the headlamp illuminating state, windscreen wiper work shape of the operating condition of the vehicle
State), the generated energy relevant parameter includes the operating condition parameter obtained by the operating condition parameter acquisition unit.
According to this constitution, Lai Jinhang determines to forbid the amendment of period again based on acquired operating condition parameter.Due to
The generated energy for being equipped on the solar battery of vehicle is become dependent on the operating condition such as speed, traveling-position etc. of vehicle
Change, so by the amendment during being determined to forbid again based on acquired operating condition parameter, so as to properly
The variation of corresponding generated energy.
The invention that 13rd mode is recorded is characterized in that, starts judgement dress in the solar power generation that the 12nd mode is recorded
In setting, the operating condition parameter include the speed for indicating the vehicle, the position of the vehicle, the vehicle headlamp
Illuminating state and at least one of the parameter of working condition of windscreen wiper of the vehicle.
According to this constitution, obtain indicate speed, the position of vehicle, the illuminating state of headlamp and windscreen wiper work
At least one of the parameter for making state carries out the amendment for determining to forbid period again based on the acquired state.Such as
In the case that speed is high, due to it is mobile to the position more than insolation amount in advance a possibility that get higher, so determining to forbid again to shortening
The direction of period is modified.In addition, when vehicle in tunnel when driving, the direction during Xiang Yanchang determines to forbid again carries out
Amendment, when headlamp is lighted, windscreen wiper work when, to extend to a large extent determine to forbid again during direction into
Row amendment, or will determine to be modified to such as 24 hours during forbidding and substantially forbid determining again again, until tunnel traveling,
Until the illuminating state or windscreen wiper working condition of headlamp terminate.Amendment in this way, can be when more appropriate
The supply that phase be equipped on the generation power of the solar battery of vehicle could determine.
The invention that 14th mode is recorded is characterized in that, is provided a kind of with any one of the 7th mode~the 13rd mode institute
The vehicle (1) of the beginning decision maker for the solar power generation stated.In the vehicle, such as passing through Vehicular solar battery
Generation power come in the case where charging to Vehicular accumulator cell, be able to carry out charging appropriate could judgement.
The invention that 15th mode is recorded is a kind of application method of the beginning decision maker of solar power generation, the sunlight
The beginning decision maker of power generation includes generated energy measurement unit (13), can measure the generated energy of solar battery (2) power generation
(PM)；Voltage transformating part (11) converts to electrical load the output voltage of the solar battery and is supplied；With
And determination unit (10,12), the electric power for carrying out the solar cell power generation could be supplied to the electrical load (15,20)
Judgement, that is, power supply could determine that the application method of the beginning decision maker of the solar power generation is characterized in that, institute
It states generated energy measurement unit (13) to be arranged between the voltage transformating part (11) and the electrical load (15,20), the sunlight
The application method of the beginning decision maker of power generation includes in the generated energy measurement unit, measures the step of the generated energy (PM)
Suddenly；And when the generated energy (PM) measured is decision threshold (PMTH) or more, permitted by the determination unit
Supply from the generation power of the solar battery to the electrical load judgement.
According to this constitution, effect identical with the invention that the 1st mode is recorded can be obtained.
Detailed description of the invention
Fig. 1 is the main portion for indicating to be equipped with the vehicle for the solar power generating device that one embodiment of the present invention is related to
The block diagram for the composition divided.
Fig. 2 is the circuit diagram for indicating to be equipped on the composition of electric power supply system of vehicle.
Fig. 3 be for illustrate power supply could determination processing summary (the possible situation of power supply) time diagram.
Fig. 4 be for illustrate power supply could determination processing summary (power supply can not the case where) time diagram.
Fig. 5 be power supply could determination processing flow chart (the 1st embodiment).
Fig. 6 be power supply could determination processing flow chart (the 2nd embodiment).
Fig. 7 is the figure for indicating the table of reference in the processing of Fig. 6.
Fig. 8 is the figure for illustrating to be modified (TINT) during determining to forbid again brought effect.
Fig. 9 is the figure for indicating the 3rd embodiment of the invention.
Symbol description
1 vehicle, 2 solar battery, 10 vehicle control device (determination unit), 11 voltage conversion circuit (voltage transformating part)
13 metering circuit of 12MPPT controller (determination unit) (generated energy measurement unit) 14 relay, 15 battery (electrical load) 20
Vehicle electric loads (electrical load)
Specific embodiment
Hereinafter, being described with reference to embodiments of the present invention.
[the 1st embodiment]
Fig. 1 is to indicate to have solar power generating device that one embodiment of the present invention is related to (comprising solar power generation
Start decision maker) vehicle major part composition block diagram.Vehicle 1 is small-sized electric vehicle, is had: the sun
It can battery 2；Vehicle control device 10；The voltage conversion circuit of boost or depressurization is carried out to the output voltage VSO of solar battery 2
11；MPPT (Maximum Power Point Trace, MPPT maximum power point tracking) controller 12；Metering circuit 13；Relay
14；Battery 15；By the ancillary equipments such as inverter 16, the motor 17 of vehicle traction and headlight 21, windscreen wiper 22
The 18 vehicle electric loads 20 constituted；Navigation comprising GPS (Global Positioning System, global positioning system)
Device 30；Detect the vehicle speed sensor 31 of the vehicle velocity V P of vehicle 1；With the external temperature sensor 32 of detection outside air temperature TA.Separately
Outside, although it is contemplated that understanding easness, and by navigation device 30, vehicle speed sensor 31 and external temperature sensor 32 with
Ancillary equipment 18 is separately depicted, but these constituent elements 30~32 are also contained in ancillary equipment 18.
MPPT controller 12 measures the output power of voltage conversion circuit 11 and defeated by one side in metering circuit 13
Voltage VCO one side adjustment output voltage VCO out, thereby executing MPPT maximum power point tracking control.In the present embodiment, it exports
The standard value of voltage VCO is 48V or so.MPPT controller 12 is connect with vehicle control device 10, according to from vehicle control device 10
Instruction, carry out the metering of the generated energy PM of solar battery 2, and metric results be transferred to vehicle control device 10.
Relay 14 carries out the control of on-off by vehicle control device 10.That is, passing through aftermentioned power supply
Could determination processing be judged to the generation power of solar battery 2 capable of being supplied to battery 15 and vehicle electric load
When 20, connect relay 14, be determined as supply can not when, maintain off-state.
Battery 15 be standard output voltage be 48V high tension battery, for ancillary equipment 18 included it is electrical
The low electrical load of supply voltage among load, supply is by the electricity after DC voltage conversion circuit (DC-DC converter) decompression
Pressure.Although not shown, but vehicle 1 be also equipped with the defeated of the charging based on external recharging apparatus for carrying out battery 15
Enter terminal and necessary circuit.
The usual action control that vehicle control device 10 executes vehicle 1 is (corresponding with the operation of driver to be based on motor 17
Vehicle traction control, the lighting/extinguish of headlight, work/stopping of windscreen wiper etc.), and execute in metering circuit 13
The corresponding power supply of generated energy PM of middle metering could determination processing.
Fig. 2 is the circuit diagram for indicating to be equipped on the composition of the electric power supply system of vehicle 1.The output line of solar battery 2
It is connect with low pressure side terminal T1 and high pressure side terminal T2, generation power is input to voltage transformation via high pressure side terminal T2
Circuit 11.Voltage conversion circuit 11 have field effect transistor (hereinafter referred merely to as " transistor ") Q1 as switch element~
One end of Q4, coil L1, capacitor C1, C2 and resistance R1, resistance R1 are connect with high pressure side terminal T2, and resistance R1's is another
End is connect with the drain electrode of one end of capacitor C1 and transistor Q1.The other end of capacitor C1 is connect with low pressure side terminal T1.
The source electrode of transistor Q1 is connect with the drain electrode of transistor Q2, and the source electrode of transistor Q2 is connect with low pressure side terminal T1.
The output terminal T3 of voltage conversion circuit 11 is connect with one end of the drain electrode of transistor Q3 and capacitor C2, transistor Q3's
Source electrode is connect with the drain electrode of transistor Q4.The source electrode of transistor Q4 and the other end of capacitor C2 and low pressure side terminal T1 connect
It connects.Between the tie point P1 of transistor Q1 and Q2 and the tie point P2 of transistor Q3 and Q4, it is connected with coil L1.
Although illustration omitted, the grid of transistor Q1~Q4 is connect with MPPT controller 12, MPPT controller 12 into
The on-off of row transistor Q1~Q4 controls.Transistor Q1 is being connected, in the state of disconnecting transistor Q2, by crystal
Pipe Q3 and Q4 carry out on-off conversion, to carry out boost action, on the other hand, are connecting transistor Q3, are disconnecting crystal
In the state of pipe Q4, by carrying out on-off conversion to transistor Q1 and Q2, to carry out decompression movement.Voltage transformation
The adjustment of the output voltage VCO of circuit 11 by change carry out on-off conversion transistor on-off duty ratio come
It carries out.
Metering circuit 13 has resistance R2, R3 and transistor Q5, one end of resistance R2 and the output of voltage conversion circuit 11
Terminal T3 connection, the other end are connect with one end of the drain electrode of transistor Q5 and relay 14.The source electrode of transistor Q5 is via electricity
Resistance R3 is connect with low pressure side terminal T1.The grid of transistor Q5 connect (illustration omitted) with MPPT controller 12, is controlled by MPPT
Device 12 processed carries out on-off control.
When measuring generated energy PM in the state that relay 14 is disconnected, transistor Q5 is switched on.In this state,
Come the output voltage VCO of metered voltage translation circuit 11 and the output electric current of resistance R2 is flowed through by MPPT controller 12
ICO.Output electric current ICO is obtained by measuring the both end voltage of resistance R2.Generated energy PM is calculated by lower note formula (1).
PM=VCO × ICO (1)
The other end of relay 14 is connect with battery 15, inverter 16 and ancillary equipment 18.Relay 14 connects
On-off is opened control and is carried out by vehicle control device 10.That is, power supply could in determination processing, when be judged to supplying may when,
Connect relay 14, on the other hand, when be determined as supply can not when, maintain off-state.
Fig. 3 and Fig. 4 be for illustrate power supply could determination processing summary time diagram.Fig. 3 expression is determined as
The possible example of power supply, Fig. 4 indicate be determined as power supply can not example.In addition, Fig. 3 and Fig. 4 be in order to illustrate
And show, make the change-over period of transistor Q3, Q4 longer than actual conditions for ease of understanding show.
Power supply could determination processing at the beginning of t0, transistor Q5 and connect transistor Q1 connecting, break
In the state of opening transistor Q2, start maximum power by carrying out the boost action of on-off to transistor Q3 and Q4
Point tracing control (MPPT control).The output voltage VCO of measurement simultaneously and output electric current ICO are applied to formula (1) and calculated
Generated energy PM.
In the example shown in Fig. 3, generated energy PM continue growing and moment t1 reach decision threshold PMTH (such as
15W).Therefore, it is determined as that power supply is possible, connects relay 14, and disconnect transistor Q5.Later, it is controlled by MPPT
Device 12 continues common MPPT control, and output voltage VCO is controlled as the maximum voltage value of generated energy PM.
In the example shown in Figure 4, although generated energy PM increases initially, not up to decision threshold PMTH just satisfies
With.In this case, if point is determined as power supply not by limitation time TPM at the beginning of the determination processing
Can, in moment t2, transistor Q5 is disconnected, terminates the on-off conversion of transistor Q3, Q4, terminating power supply could determine.
Even if it is also very high to carry out a possibility that power supply could determine, carry out undecidable again again immediately later, so
It has passed through and fixed determine to forbid t3 at the time of period TINT to start to determine again again.Until being determined as that power supply is possible,
It all repeats and determines again.
As above, in the present embodiment, carrying out generated energy PM when carrying out the exploration of maximum power point is
The no power supply for reaching decision threshold PMTH could judgement.
Fig. 5 be above-mentioned power supply could determination processing flow chart, which is executed by vehicle control device 10.
In addition, in the initial state, relay 14 is disconnected.
In step s 11, instruction MPPT controller 12 carries out the boost action based on above-mentioned voltage conversion circuit 11
MPPT control and the metering of the generated energy PM in metering circuit 13, obtain generated energy PM.In step s 12, differentiate generated energy
Whether PM is decision threshold PMTH or more.The initial answer is negative (NO), enters step S13 and discriminates whether opening from processing
Time beginning, which lights, have passed through limitation time TPM.Since the initial answer is also negative (NO), so returning to step S11.
When the answer of step S12 becomes (YES) certainly before the answer in step S13 becomes (YES) certainly, sentence
It is possible to be set to power supply, enters step S17 and connects relay 14, instruction MPPT controller 12 continues common MPPT control.
On the other hand, the answer of step S13 becomes affirmative before the answer in step S12 becomes (YES) certainly
(YES) when, be determined as power supply can not, entering step S14 instruction MPPT controller 12 terminates MPPT control, and will again
Determine that the value of time timer T is set as " 0 ".Differentiate in step S15 determine again time timer T value whether be more than
Determine to forbid period TINT again.Initially it is answered to negate (NO), increases the value for determining time timer T again and operation week
Phase comparable time AT (such as 10msec) (step S16) returns to step S15.The loop computation of step S15 and S16 with
And the loop computation of step S11~S13 is repeated with execution cycle AT.
Therefore, when be determined as power supply can not when, execute after determining to forbid period TINT to pass through again and determine again, it
The processing for repeating step S11~S16 afterwards, until being determined as that power supply is possible.
In the present embodiment, the temperature that limitation time TPM is set to resistance R3 caused by measuring because of generated energy will not
Reach set time as ceiling temperature (such as 10 seconds), then determines that forbidding period TINT to be set to generated energy is possible to
The changed time, such as 10 minutes or so.
As above, in the present embodiment, when being set to voltage conversion circuit 11 and electrical load (battery
When the generated energy PM measured in metering circuit 13 between 15 and vehicle electric load 20) is decision threshold PMTH or more, into
Row permits the generation power of solar battery 2 to the judgement of the supply of electrical load.By being set to voltage conversion circuit 11
Generated energy PM is measured in metering circuit 13 between electrical load, so as to one side by voltage conversion circuit 11
Output voltage VCO be adjusted to obtain the voltage of maximum power and measured on one side, the higher power generation of precision can be obtained
Amount.As a result, the power for accurately determining that solar battery 2 can be output can be constituted with better simply, it can be more suitable
Locality, which carries out supply of the generation power of solar battery 2 to electrical load, to be determined.
In addition, carrying out forbidding solar energy when the generated energy PM measured in metering circuit 13 is smaller than decision threshold PMTH
Supply from the generation power of battery 2 to electrical load power supply undecidable, from carrying out the power supply undecidable
Time light and have passed through the time point for determining to forbid period TINT again, carrying out power supply again could determine.By passing through
It has crossed after determining to forbid period TINT again and has been determined again, so as to the corresponding insolation amount because being irradiated to solar battery 2
Increase etc. caused by generated energy PM variation.
In the present embodiment, metering circuit 13 is equivalent to generated energy measurement unit, and voltage conversion circuit 11 is equivalent to voltage
Transformation component, MPPT controller 12 and vehicle control device 10 constitute determination unit.
[the 2nd embodiment]
Determining in the 1st embodiment again is not forbidden period TINT to be set as the set time by present embodiment, but root
It is modified according to generated energy PM, outside air temperature TA measured etc..It is the shape increased or decreased in order to consider generated energy
State dependent on carry out the generated energy PM at power supply undecidable time point, environmental condition later and change this
Situation more suitably sets and determines to forbid period TINT again.It is identical as the 1st embodiment other than aspect described below.
Fig. 6 be present embodiment power supply could determination processing flow chart.The processing is handled shown in Fig. 5
In added step S21 and S22.
In the step s 21, determine to forbid period TINT (amendment A) again by lower note formula (2) Lai Xiuzheng.In addition, determining again
Forbid the initial value of period TINT to be set to the value of standard, such as is set to 10 minutes or so.
TINT=TINT+DTPM (2)
Here, the TINT on the right is upper sub-value, and DTPM is the generated energy PM measured according to this and the generated energy set
Correction term.About generated energy correction term DTPM, such as the generated energy PM shown in solid in Fig. 7 (a) that is set to more increases, send out
Electricity correction term DTPM is more reduced.That is, generated energy correction term DTPM is set to, taken when value PMREF on the basis of generated energy PM
" 0 " takes negative value in the range of PM > PMREF, takes positive value in the range of PM < PMREF.Alternatively, it is also possible to such as Fig. 7
(a) it is set as being changed with ladder-like shown in dotted line in.A reference value PMREF be with standard determine to forbid again during
The corresponding generated energy of TINTREF (such as 10 minutes).
In step S22, carried out by lower note formula (3) and the ring in the standby period until Predicated execution again
The corresponding amendment of the variation of border condition (amendment B).
TINT=TINT+DTTA+DTVP+DTTNL+DTLT+DTWP (3)
Here, the TINT on the right is upper sub-value, and DTTA is the outside air temperature correction term set according to outside air temperature TA,
DTVP is the speed correction term that sets according to vehicle velocity V P, DTTNL be according to vehicle 1 whether in tunnel in traveling and
The tunnel correction term of setting, DTLT are the headlight correction terms whether set in lighting according to headlight 21, and DTWP is basis
The windscreen wiper correction term whether windscreen wiper 22 sets in work.
About outside air temperature correction term DTTA, such as the outside air temperature TA shown in solid in Fig. 7 (b) that is set to more increases
Add, outside air temperature correction term DTTA is more reduced.That is, outside air temperature correction term DTTA is set to, it is base in outside air temperature TA
" 0 " is taken when quasi- temperature TAREF (such as 20 DEG C), negative value is taken in the range of TA > TAREF, in the range of TA < TAREF
Take positive value.Alternatively, it is also possible to be set as being changed with ladder-like as shown in dotted line in Fig. 7 (b).This is because by recognizing
For be outside air temperature TA more high then generated energy increase a possibility that it is higher.
Speed if vehicle velocity V P more increases is set to about speed correction term DTVP, such as shown in solid in Fig. 7 (c)
Correction term DTVP is more reduced.That is, speed correction term DTVP is set to, when vehicle velocity V P is benchmark speed VPREF (such as 40km/
" 0 " is taken when h), takes negative value in the range of VP > VPREF, takes positive value in the range of VP < VPREF.In addition, can also
To be set as being changed with ladder-like as shown in dotted line in Fig. 7 (c).This is because, it is considered to be vehicle velocity V P gets over Gao Zeche
A possibility that variable quantity of per set time of position is bigger, and generated energy increases is higher.
Tunnel correction term DTTNL is set based on the vehicle position information obtained by navigation device 30, specifically, quilt
Be set as, when vehicle 1 in tunnel when driving, take positive given correction value DTTNLP, when vehicle 1 not in tunnel when driving,
Take negative given correction value DTTNLM or " 0 ".It is to consider to work as vehicle 1 in tunnel when driving about tunnel correction term DTTNL
It can not carry out this case that solar power generation and be arranged.
Headlight correction term DTLT is set according to whether headlight 21 is lighted, and specifically, is set to, when 21 points of headlight
When bright, positive given correction value DTLTP is taken, when headlight 21 is non-lit up, takes negative given correction value DTLTM or " 0 ".About
Headlight correction term DTLT is that darker due to around in headlight the is lighted and insolation amount of consideration is few so cannot expect that sunlight is sent out
This case that electric it is arranged.
Whether windscreen wiper correction term DTWP works according to windscreen wiper 22 and is set, and specifically, is set to, when
When windscreen wiper 22 works, take positive given correction value DTWPP, when windscreen wiper 22 does not work, take negative given correction value
DTWPM or " 0 ".About windscreen wiper correction term DTWP, be consider in windscreen wiper work due in rainfall so cannot the phase
To what is this case that solar power generation be arranged.
Fig. 8 is for illustrating to show generated energy to determining that period TINT is forbidden to be modified and the figure of bring effect again
The passage of PM.The leftmost side is by the generated energy that the generated energy shown in solid line is that actual metered goes out, right side power generation shown by dashed lines
Amount indicates the passage of predicted generated energy.As shown in Fig. 8 (a), although in this generated energy PM not up to decision threshold
PMTH but it is also in the case that biggish value and environmental condition are the condition for being well suited to solar power generation, then determines to forbid period
TINT becomes shorter time TINT1 by amendment, can be determined again in advance, can supply power to start to shift to an earlier date.
In addition, in this lesser situation of generated energy PM, or being unsuitable for solar power generation as shown in Fig. 8 (b)
Environmental condition continue in the case where, then determine to forbid period TINT by correcting as longer time TINT2, can
Useless generated energy is avoided to measure.
As above, in the present embodiment, due to according to the generated energy PM's or expression environmental condition measured
The various parameters of variation determine to forbid again period TINT to correct, so determine that the setting of period TINT is forbidden to become suitably again,
The power supply that can be executed in the period of being expected to generated energy PM and reaching decision threshold PMTH next time could determine.
In the present embodiment, outside air temperature TA, vehicle velocity V P, vehicle 1 whether in tunnel traveling is (such as by tunnel
Traveling label " 1 " " 0 " indicates), headlight whether light (such as label " 1 " " 0 " is lighted to indicate by headlight) and windscreen
Rain brush whether work (such as being indicated by windscreen wiper working label " 1 " " 0 ") be equivalent to generated energy relevant parameter, external gas
Temperature sensor 32 is equivalent to outside air temperature acquisition unit, and vehicle speed sensor 31, navigation device 30 and vehicle control device 10 are constituted
Operating condition parameter acquisition unit constitutes parameter acquisition unit by outside air temperature acquisition unit and operating condition parameter acquisition unit.
[the 3rd embodiment]
Fig. 9 is the block diagram for indicating the composition of household solar power generating device of the third embodiment of the invention.
The solar power generating device have solar battery 101, voltage conversion circuit 102, MPPT controller 103, metering circuit 104,
Relay 105, inverter 106, distribution board 107, external temperature sensor 108, via distribution board 107 to household electric appliances
109 supply AC powers, are output to electric system 110 for remaining electric power.Voltage conversion circuit 102 and metering circuit 104
With with the voltage conversion circuit 11 and the identical composition of metering circuit 13 in the 1st embodiment.
In the present embodiment, the output voltage of solar battery 101 is transformed into suitable by voltage conversion circuit 102
In the voltage of household electric appliances 109, in the state of being disconnected relay 105, generated energy is carried out in metering circuit 104
The metering of PM.Power supply corresponding with the metric results of generated energy PM is executed by MPPT controller 103 could determination processing
(Fig. 5 or processing shown in fig. 6) connects relay 105 when being determined as that power supply is possible.Inverter 106 is by direct current
Force transformation is the AC power of household.Determine that period TINT is forbidden to be set as the set time in a same manner as in the first embodiment again,
Or it is modified in a same manner as in the second embodiment.
Wherein, it in the solar power generating device, to determining that period TINT is forbidden to be modified again, takes
Lower note formula (3a) is applied to the formula (3) for determining that period TINT is forbidden to be modified again shown in the 2nd embodiment of generation.In formula
In (3a), speed correction term DTVP etc. only can be suitably used for the correction term for the case where solar battery is equipped on vehicle by except.
Outside air temperature correction term DTTA according to the outside air temperature TA detected by external temperature sensor 108 in a same manner as in the second embodiment
Ground is set.
TINT=TINT+DTTA (3a)
In the present embodiment, voltage conversion circuit 102 is equivalent to voltage transformating part, and metering circuit 104 is equivalent to power generation
Measurement unit is measured, MPPT controller 103 constitutes determination unit.
In addition, being able to carry out various modifications the present invention is not limited to above-mentioned embodiment.For example, in above embodiment
In, in tunnel traveling in, headlight light in and windscreen wiper work in, by tunnel correction term DTTNL, headlight correction term
DTLT and windscreen wiper correction term DTWP sets given correction value DTTNLP, DTLTP, the DTWPP being positive, and will sentence again
Forbid the extended amendment of period TINT calmly, but above-mentioned way can also be replaced and be temporarily set as positive correction value for example
24 hours, in other words, in tunnel traveling in, headlight light in and windscreen wiper work in, substantially electric power is forbidden to supply
To the execution that could be determined.In addition, generated energy relevant parameter is not limited to above-mentioned parameter, also can choose and solar battery
Generated energy have other physical quantitys of correlativity.
Furthermore, it is possible to using household solar power generating device shown in Fig. 9 as the outer of the battery 15 for being equipped on vehicle 1
Portion's charging unit come using.In addition, in the case where the increase of cost or weight can allow, it can also be using by solar heat
The insolation amount of meter detection is as generated energy relevant parameter.In addition, vehicle 1 is not limited to small-sized electric vehicle, it is also possible to lead to
The electric car of Chang great little, by motor and oil-engine driven hybrid vehicle or only vapour driven by the internal combustion engine
Vehicle.
Claims (12)
1. a kind of beginning decision maker of solar power generation, comprising:
Generated energy measurement unit can measure the generated energy of solar cell power generation；
Voltage transformating part converts to electrical load the output voltage of the solar battery and is supplied；And
Determination unit carries out the i.e. electric power confession of judgement that the electric power of the solar cell power generation could be supplied to the electrical load
To could determine,
The beginning decision maker of the solar power generation is characterized in that,
The generated energy measurement unit is arranged between the voltage transformating part and the electrical load,
The generated energy that the determination unit measures in the generated energy measurement unit be decision threshold more than when, permitted described in too
The judgement of supply of the generation power of positive energy battery to the electrical load,
The generated energy that the determination unit measures in the generated energy measurement unit be less than the decision threshold when, forbidden described in
Supply from the generation power of solar battery to the electrical load judgement,
From carry out this forbid determine time light have passed through determine to forbid again during time point, carry out the electric power again
Supplying could determine,
Based on the generated energy measured in the generated energy measurement unit, progress is described to be determined to forbid repairing for period again the determination unit
Just.
2. the beginning decision maker of solar power generation according to claim 1, which is characterized in that
Also there is parameter acquisition unit, which obtains the power generation for having correlativity with the generated energy of the solar battery
Relevant parameter is measured,
Based on the generated energy relevant parameter obtained by the parameter acquisition unit, progress is described to be determined to forbid the phase again the determination unit
Between amendment.
3. the beginning decision maker of solar power generation according to claim 2, which is characterized in that
The parameter acquisition unit includes the outside air temperature test section that can detect outside air temperature,
The generated energy relevant parameter includes the outside air temperature detected by the outside air temperature test section.
4. a kind of vehicle, which is characterized in that
Beginning decision maker with solar power generation according to any one of claims 1 to 3.
5. a kind of beginning decision maker of solar power generation, comprising:
Generated energy measurement unit can measure the generated energy for being equipped on the solar cell power generation of vehicle；
Voltage transformating part converts to electrical load the output voltage of the solar battery and is supplied；And
Determination unit carries out the i.e. electric power confession of judgement that the electric power of the solar cell power generation could be supplied to the electrical load
To could determine,
The beginning decision maker of the solar power generation is characterized in that,
The generated energy measurement unit is arranged between the voltage transformating part and the electrical load,
The generated energy that the determination unit measures in the generated energy measurement unit be decision threshold more than when, permitted described in too
The judgement of supply of the generation power of positive energy battery to the electrical load,
The generated energy that the determination unit measures in the generated energy measurement unit be less than the decision threshold when, forbidden described in
Supply from the generation power of solar battery to the electrical load judgement,
From carry out this forbid determine time light have passed through determine to forbid again during time point, carry out the electric power again
Supplying could determine,
Based on the generated energy measured in the generated energy measurement unit, progress is described to be determined to forbid repairing for period again the determination unit
Just.
6. the beginning decision maker of solar power generation according to claim 5, which is characterized in that
Also there is parameter acquisition unit, which obtains the power generation for having correlativity with the generated energy of the solar battery
Relevant parameter is measured,
Based on the generated energy relevant parameter obtained by the parameter acquisition unit, progress is described to be determined to forbid the phase again the determination unit
Between amendment.
7. the beginning decision maker of solar power generation according to claim 6, which is characterized in that
The parameter acquisition unit includes the outside air temperature test section that can detect outside air temperature,
The generated energy relevant parameter includes the outside air temperature detected by the outside air temperature test section.
8. the beginning decision maker of solar power generation according to claim 6, which is characterized in that
The parameter acquisition unit includes operating condition parameter acquisition unit, which, which obtains, indicates the vehicle
The operating condition parameter of operating condition,
The generated energy relevant parameter includes the operating condition parameter obtained by the operating condition parameter acquisition unit.
9. the beginning decision maker of solar power generation according to claim 7, which is characterized in that
The parameter acquisition unit includes operating condition parameter acquisition unit, which, which obtains, indicates the vehicle
The operating condition parameter of operating condition,
The generated energy relevant parameter includes the operating condition parameter obtained by the operating condition parameter acquisition unit.
10. the beginning decision maker of solar power generation according to claim 8 or claim 9, which is characterized in that
The operating condition parameter include the speed for indicating the vehicle, the position of the vehicle, the vehicle headlamp
At least one of illuminating state and the parameter of working condition of windscreen wiper of the vehicle.
11. a kind of vehicle, which is characterized in that
Beginning decision maker with solar power generation described in any one of claim 5~10.
12. a kind of application method of the beginning decision maker of solar power generation, the beginning decision maker of the solar power generation include
Generated energy measurement unit can measure the generated energy of solar cell power generation；
Voltage transformating part converts to electrical load the output voltage of the solar battery and is supplied；And
Determination unit carries out the i.e. electric power confession of judgement that the electric power of the solar cell power generation could be supplied to the electrical load
To could determine,
The application method of the beginning decision maker of the solar power generation is characterized in that,
The generated energy measurement unit is arranged between the voltage transformating part and the electrical load,
The application method of the beginning decision maker of the solar power generation includes
In the generated energy measurement unit, the step of measuring the generated energy；And
When the generated energy measured is decision threshold or more, carried out permitting the solar battery by the determination unit
Supply from generation power to the electrical load judgement,
The generated energy that the determination unit measures in the generated energy measurement unit be less than the decision threshold when, forbidden described in
Supply from the generation power of solar battery to the electrical load judgement,
From carry out this forbid determine time light have passed through determine to forbid again during time point, carry out the electric power again
Supplying could determine,
Based on the generated energy measured in the generated energy measurement unit, progress is described to be determined to forbid repairing for period again the determination unit
Just.
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| JP7333255B2 (en) * | 2019-12-09 | 2023-08-24 | 日産自動車株式会社 | Vehicle system control method and vehicle system |
| CN113030581A (en) * | 2021-03-19 | 2021-06-25 | 陕西众森电能科技有限公司 | Solar cell module and method for testing impedance of external circuit of module |
| CN114228645B (en) * | 2021-12-21 | 2024-01-02 | 深圳市七曜智造科技有限公司 | Control method and system of vehicle-mounted navigation device, computer equipment and readable storage medium |
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| JP2009247184A (en) * | 2008-03-31 | 2009-10-22 | Mitsubishi Electric Corp | Photovoltaic power system and method of starting the same |
| CN101964603B (en) * | 2009-07-24 | 2013-03-27 | 中国移动通信集团甘肃有限公司 | Method, control device and system for vehicle-mounted compound electricity supply |
| CN102118043B (en) * | 2009-12-31 | 2013-12-04 | 比亚迪股份有限公司 | Solar charger for charging power battery |
| EP2528103A4 (en) * | 2010-01-19 | 2015-10-07 | Omron Tateisi Electronics Co | Evaluation method for solar power generation system, evaluation device, and evaluation program |
| CN101826746B (en) * | 2010-05-25 | 2013-04-24 | 英利能源（中国）有限公司 | Method and system for controlling power supply of photovoltaic automobile |
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