CN106160161A - A kind of solar energy power source apparatus and control method - Google Patents
A kind of solar energy power source apparatus and control method Download PDFInfo
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- CN106160161A CN106160161A CN201610530460.4A CN201610530460A CN106160161A CN 106160161 A CN106160161 A CN 106160161A CN 201610530460 A CN201610530460 A CN 201610530460A CN 106160161 A CN106160161 A CN 106160161A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 97
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of solar energy power source apparatus and control method, described device includes: solar panel, is used for receiving solar energy and being translated into electric energy；Super-capacitor module, is connected with solar panel, is used for storing electric energy；Battery storage module, is connected with super-capacitor module, for electric energy；Top control module, is connected with super-capacitor module and battery storage module respectively, is used for controlling super-capacitor module and battery storage module and switches between charging and discharging；DC converting unit, is connected with top control module and load respectively, for switching the state of direct current output；Described method includes: super capacitor group is load supplying when voltage is more than turn-on threshold voltage, is set of cells charging when voltage is more than cut-in voltage, charges when voltage is less than lowest threshold voltage and controls set of cells for load charging.Compared with prior art, the present invention has that generating efficiency height, length in service life, versatility be good and use value advantages of higher.
Description
Technical field
The present invention relates to distributed photovoltaic power generation field, especially relate to a kind of solar energy power source apparatus and control method.
Background technology
Wireless sensing and Remote Monitoring Technology are one of important means ensureing social production.Because of geographical and current conditions
Limiting, most wireless sensing and remotely monitoring node cannot obtain civil power.Utilizing solar energy generation technology is that its power supply is
A kind of ideal measure.But, limited service life by generating efficiency and energy-storage battery, cause sun-generated electric power to be difficult to
Realize long term monitoring.How to improve sun-generated electric power generating efficiency, extend the service life of system, have become as sun-generated electric power
Top-priority problem.
Patent CN2636433Y provides a kind of sun-generated electric power control device, detects solar-electricity by detection module
Pond group and the state of accumulator battery, utilize CPU directly to control solar-electricity when the solar battery group energy is enough
Chi Zuwei loads charging, uses accumulator battery to charge for load when solar battery group energy deficiency, simultaneously vacant in load
Shi Liyong solar battery group is battery charging, and this sun-generated electric power controller can improve charge efficiency greatly.
But, this invention is energy-storage units only with accumulator battery, on the one hand when solar panel energy is excessive, easily causes storage
Set of cells occurs that the full phenomenon of void causes the waste of energy；On the other hand accumulator battery is constantly in charging and discharging state, increases
The discharge and recharge number of times of battery, reduces the service life of device.
Summary of the invention
It is an object of the invention to provide a kind of generating efficiency height, length in service life, versatility good for the problems referred to above and
Solar energy power source apparatus that use value is high and control method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of solar energy power source apparatus, can be come for load supplying, described sun-generated electric power dress for electric energy by conversion solar
Put and include:
Solar panel, is used for receiving solar energy and being translated into electric energy；
Super-capacitor module, is connected with solar panel, for storing the electric energy that solar panel converts；
Battery storage module, is connected with super-capacitor module, for storing the electric energy of super-capacitor module；
Top control module, is connected with super-capacitor module and battery storage module respectively, be used for controlling super-capacitor module and
Battery storage module switches between charging and discharging；
DC converting unit, is connected with top control module and load respectively, for switching the state of direct current output.
Described super-capacitor module includes:
Super capacitor group, is connected with battery storage module and top control module respectively, for for loading and battery storage module
Power supply；
Solar charging electric control and protected location, be connected with solar panel and super capacitor group respectively, and it is super for being used for
Level capacitance group is powered and controls the charged state of super capacitor group.
The charged state of described super capacitor group includes peak power charging, constant-voltage charge and stopping charging.
Described battery storage module includes:
Set of cells, is connected with top control module, is used for as load supplying；
Set of cells charging controls and protected location, is connected with super-capacitor module and top control module respectively, is used for as battery
Group is powered and controls the charged state of set of cells.
The charged state of described set of cells includes charging and stops charging.
Described top control module includes:
Control centre, is connected with super-capacitor module, battery storage module and DC converting unit respectively, is used for controlling to surpass
Level capacitance module and battery storage module switch between charging and discharging；
Switch module, is connected with control centre, super-capacitor module, battery storage module and DC converting unit respectively,
Break-make for the command control circuit according to control centre.
Described switch module includes the first switch, second switch and the 3rd switch, described first switch respectively with super electricity
Molar block, control centre and DC converting unit connect, described second switch respectively with super-capacitor module, battery storage module
Connecting with control centre, described 3rd switch is connected with battery storage module, control centre and DC converting unit respectively.
The control method of a kind of solar energy power source apparatus, described control method comprises the following steps:
1) top control module gathers the voltage U of super capacitor groupdc, it is judged that whether it is more than turn-on threshold voltage Uref1If,
Then super capacitor group is load supplying, if otherwise entering step 2)；
2) super capacitor group voltage U is judgeddcWhether more than cut-in voltage Uref2If then super capacitor group controls set of cells
Charging controls and protected location is set of cells charging, if otherwise entering step 3)；
3) super capacitor group voltage U is judgeddcWhether less than lowest threshold voltage Uref3If, then solar charging electric control and
Protected location is that super capacitor group is charged and enters step 4), if otherwise returning step 1)；
4) battery voltage U is judgedbatWhether higher than given battery voltage value Ubat_refIf then set of cells is load
Power supply, if otherwise set of cells stops as load supplying.
The charging of described set of cells controls and protected location is that set of cells charging comprises the following steps:
21) set of cells charging controls and protected location gathers super capacitor group voltage Udc, it is judged that whether it is more than opening electricity
Pressure Uref2If otherwise returning and rejudging, if then entering step 22)；
22) set of cells charging controls and protected location charges to set of cells；
23) set of cells charging controls and protected location gathers battery voltage Ubat, it is judged that whether it is more than protection voltage
Ubat_TIf then stopping charging to set of cells, if otherwise returning step 21).
Described solar charging electric control and protected location are that the charging of super capacitor group comprises the following steps:
31) solar charging electric control and protected location gather super capacitor group voltage Udc；
32) given super capacitor group voltage U is calculateddc_refWith super capacitor group voltage UdcDifference Udc_ref-Udc；
33) step 32 is judged) whether calculated difference more than first threshold voltage Udc1If, then solar recharging
Control and protected location charges to super capacitor group with peak power, if otherwise entering step 34)；
34) step 32 is judged) whether calculated difference more than Second Threshold voltage Udc2If, then solar recharging
Control and protected location charges to super capacitor group with Isobarically Control pattern, if otherwise entering step 35)；
35) step 32 is judged) whether calculated difference more than the 3rd threshold voltage Udc3If, then solar recharging
Control and protected location stops charging to super capacitor group, if otherwise returning step 31).
Compared with prior art, the method have the advantages that
(1) super capacitor group can be directly load supplying when energy abundance, charges for set of cells, at the energy not simultaneously
Can be charged by solar panel during foot, set of cells can be load supplying when own power abundance, maximum limit
That spends make use of solar electrical energy generation, improves the generating efficiency of sun-generated electric power.
(2) often and the life-span is long for the discharge and recharge of super capacitor group, it is possible to reduce the discharge and recharge number of times of set of cells, improves
The service life of whole device.
(3) it is provided with solar charging electric control and protected location, super capacitor group can be effectively prevented and overcharge, ensure
Service life of super capacitor group.
(4) it is provided with set of cells charging to control and protected location, the charging of set of cells can be controlled and stop charging, preventing electricity
Pond group overcharges, and protects the service life of set of cells.
(5) DC converting unit it is provided with, it is possible to achieve multiple direct current exports so that whole device has good versatility
And use value.
(6) by the control method of solar energy power source apparatus, it is possible to achieve when solar energy abundance, super capacitor group is to negative
Carrying power supply, when solar energy is more sufficient, super capacitor group is set of cells charging, is super capacitor group when solar energy is inadequate
Charging, utilizes set of cells for load charging simultaneously, is adapted to any weather condition, makes solar energy with maximum efficiency
With.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
A kind of solar charging electric control that Fig. 2 provides for the present invention and the control flow chart of protected location；
A kind of set of cells charging that Fig. 3 provides for the present invention controls and the control flow chart of protected location；
Fig. 4 dispatches and the control flow chart of management for a kind of sun-generated electric power energy that the present invention provides；
Wherein, 1 is solar panel, and 2 is solar charging electric control and protected location, and 3 is super capacitor group, and 4 is electricity
Pond group charging controls and protected location, and 5 is set of cells, and 6 is control centre, and 7 is DC converting unit.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implement, give detailed embodiment and concrete operating process, but protection scope of the present invention be not limited to
Following embodiment.
As it is shown in figure 1, the invention provides a kind of solar energy power source apparatus, can be come for load for electric energy by conversion solar
Power supply, this solar energy power source apparatus includes: solar panel 1, is used for receiving solar energy and being translated into electric energy；Super electricity
Molar block, is connected with solar panel 1, for storing the electric energy that solar panel 1 converts；Battery storage module, with super
Level capacitance module connects, for storing the electric energy of super-capacitor module；Top control module, deposits with super-capacitor module and battery respectively
Storage module connects, and is used for controlling super-capacitor module and battery storage module and switches between charging and discharging；DC converting list
Unit 7, is connected with top control module and load respectively, for switching the state of direct current output.
Wherein, super-capacitor module includes: super capacitor group 3, is connected with battery storage module and top control module respectively, uses
In powering for load and battery storage module；Solar charging electric control and protected location 2, respectively with solar panel 1 and super
Level capacitance group 3 connects, and is used for powering for super capacitor group 3 and controlling the charged state of super capacitor group 3.
Battery storage module includes: set of cells 5, is connected with top control module, is used for as load supplying；Set of cells charging controls
And protected location 4, it is connected with super-capacitor module and top control module respectively, for powering for set of cells 5 and controlling set of cells 5
Charged state.
Top control module includes: control centre 6, respectively with super-capacitor module, battery storage module and DC converting unit 7
Connect, be used for controlling super-capacitor module and battery storage module and switch between charging and discharging；Switch module, respectively with control
Center 6 processed, super-capacitor module, battery storage module and DC converting unit 7 connect, for the order according to control centre 6
The break-make of control circuit.Switch module includes the first switch, second switch and the 3rd switch, the first switch respectively with super capacitor
Module, control centre 6 and DC converting unit 7 connect, second switch respectively with super-capacitor module, battery storage module and control
Center 6 processed connects, and the 3rd switch is connected with battery storage module, control centre 6 and DC converting unit 7 respectively.
Concrete connected mode is: the input termination solar panel 1 of solar charging electric control and protected location 2, defeated
Go out to terminate super capacitor group 3.Set of cells 5 charging controls and the input of protected location 4 accesses super electricity by second switch K2
Appearance group 3, outfan is set of cells 5.Super capacitor group 3 is connected with DC converting unit 7 by the first switch K1, and set of cells 5 is led to
Cross the 3rd switch K3 to be connected with DC converting unit 7.
The workflow of above-mentioned solar energy power source apparatus as shown in Figure 4, concretely comprises the following steps:
S1) top control module gathers super capacitor group 3 voltage Udc, it is judged that whether it is more than turn-on threshold voltage Uref1If,
Then Guan Bi the first switch K1, super capacitor group 3 is load supplying, if otherwise entering step 2)；
S2) super capacitor group 3 voltage U is judgeddcWhether more than cut-in voltage Uref2If, then Guan Bi second switch K2 is super
Level capacitance group 3 controls set of cells charging control and protected location 4 charges for set of cells 5, if otherwise entering step 3)；
S3) super capacitor group 3 voltage U is judgeddcWhether less than lowest threshold voltage Uref3If then disconnecting the first switch K1
With second switch K2 and enter step 4), if otherwise return step 1)；
S4) set of cells 5 voltage U is judgedbatWhether higher than given set of cells 5 magnitude of voltage Ubat_refIf then Guan Bi the 3rd is opened
Closing K3, set of cells 5 be load supplying, if otherwise showing solar energy power source apparatus off-capacity, disconnecting and first switching K1, second open
Close K2 and the 3rd switch K3.
In the solar energy power source apparatus that the present invention proposes, the workflow of solar charging electric control and protected location 2 is the most such as
Shown in Fig. 2, concretely comprise the following steps:
S21) solar charging electric control and protected location 2 gather super capacitor group 3 voltage Udc；
S22) given super capacitor group 3 voltage U is calculateddc_refWith super capacitor group 3 voltage UdcDifference Udc_ref-Udc；
S23) step 22 is judged) whether calculated difference more than first threshold voltage Udc1If, then solar recharging
Control and protected location 2 charges to super capacitor group 3 with peak power, if otherwise entering step 24)；
S24) step 22 is judged) whether calculated difference more than Second Threshold voltage Udc2If, then solar recharging
Control and protected location 2 charges to super capacitor group 3 with Isobarically Control pattern, if otherwise entering step 25)；
S25) step 22 is judged) whether calculated difference more than the 3rd threshold voltage Udc3If, then solar recharging
Control and protected location 2 stops charging to super capacitor group 3, if otherwise returning step 21).
The workflow of set of cells charging control and protected location 4 is then as it is shown on figure 3, concretely comprise the following steps:
S31) set of cells charging controls and protected location 4 gathers super capacitor group 3 voltage Udc, it is judged that whether it is more than opening
Voltage Uref2If otherwise returning and rejudging, if then entering step 32)；
S32) second switch K2 Guan Bi, set of cells charging controls and protected location 4 charges to set of cells 5；
S33) set of cells charging controls and protected location 4 gathers set of cells 5 voltage Ubat, it is judged that whether it is more than protection electricity
Pressure Ubat_TIf then disconnecting second switch K2, stop charging to set of cells 5, if otherwise returning step 31).
Threshold voltage in above-mentioned steps is all that the practical situation according to super capacitor group and set of cells determines, passes through threshold value
The setting of voltage can maximally utilise the energy of solar energy, can also protect super capacitor group and set of cells simultaneously, keep away
Exempt to overcharge the infringement causing its life-span.
Claims (10)
1. a solar energy power source apparatus, can come for load supplying for electric energy by conversion solar, it is characterised in that the described sun
Can include by supply unit:
Solar panel, is used for receiving solar energy and being translated into electric energy；
Super-capacitor module, is connected with solar panel, for storing the electric energy that solar panel converts；
Battery storage module, is connected with super-capacitor module, for storing the electric energy of super-capacitor module；
Top control module, is connected with super-capacitor module and battery storage module respectively, is used for controlling super-capacitor module and battery
Memory module switches between charging and discharging；
DC converting unit, is connected with top control module and load respectively, for switching the state of direct current output.
Solar energy power source apparatus the most according to claim 1, it is characterised in that described super-capacitor module includes:
Super capacitor group, is connected with battery storage module and top control module respectively, for powering for load and battery storage module；
Solar charging electric control and protected location, be connected with solar panel and super capacitor group respectively, is used for as super electricity
Appearance group is powered and controls the charged state of super capacitor group.
Solar energy power source apparatus the most according to claim 2, it is characterised in that the charged state bag of described super capacitor group
Include peak power charging, constant-voltage charge and stopping charging.
Solar energy power source apparatus the most according to claim 1, it is characterised in that described battery storage module includes:
Set of cells, is connected with top control module, is used for as load supplying；
Set of cells charging controls and protected location, is connected with super-capacitor module and top control module respectively, for supplying for set of cells
Electricity also controls the charged state of set of cells.
Solar energy power source apparatus the most according to claim 4, it is characterised in that the charged state of described set of cells includes filling
Electricity and stopping charging.
Solar energy power source apparatus the most according to claim 1, it is characterised in that described top control module includes:
Control centre, is connected with super-capacitor module, battery storage module and DC converting unit respectively, is used for controlling super electricity
Molar block and battery storage module switch between charging and discharging；
Switch module, is connected with control centre, super-capacitor module, battery storage module and DC converting unit respectively, is used for
The break-make of the command control circuit according to control centre.
Solar energy power source apparatus the most according to claim 6, it is characterised in that described switch module include the first switch,
Second switch and the 3rd switch, described first switch is connected with super-capacitor module, control centre and DC converting unit respectively,
Described second switch is connected with super-capacitor module, battery storage module and control centre respectively, described 3rd switch respectively with
Battery storage module, control centre and DC converting unit connect.
8. the control method of a solar energy power source apparatus, it is characterised in that described control method comprises the following steps:
1) top control module gathers the voltage U of super capacitor groupdc, it is judged that whether it is more than turn-on threshold voltage Uref1If then surpassing
Level capacitance group is load supplying, if otherwise entering step 2)；
2) super capacitor group voltage U is judgeddcWhether more than cut-in voltage Uref2If then super capacitor group controls set of cells charging
Control and protected location is set of cells charging, if otherwise entering step 3)；
3) super capacitor group voltage U is judgeddcWhether less than lowest threshold voltage Uref3If, then solar charging electric control and protection
Unit is that super capacitor group is charged and enters step 4), if otherwise returning step 1)；
4) battery voltage U is judgedbatWhether higher than given battery voltage value Ubat_refIf then set of cells is load supplying,
If otherwise set of cells stops as load supplying.
The control method of solar energy power source apparatus the most according to claim 8, it is characterised in that described set of cells charging control
System and protected location are that set of cells charging comprises the following steps:
21) set of cells charging controls and protected location gathers super capacitor group voltage Udc, it is judged that whether it is more than cut-in voltage
Uref2If otherwise returning and rejudging, if then entering step 22)；
22) set of cells charging controls and protected location charges to set of cells；
23) set of cells charging controls and protected location gathers battery voltage Ubat, it is judged that whether it is more than protection voltage Ubat_T,
If then stopping charging to set of cells, if otherwise returning step 21).
The control method of solar energy power source apparatus the most according to claim 8, it is characterised in that described solar recharging
Control and protected location is that the charging of super capacitor group comprises the following steps:
31) solar charging electric control and protected location gather super capacitor group voltage Udc；
32) given super capacitor group voltage U is calculateddc_refWith super capacitor group voltage UdcDifference Udc_ref-Udc；
33) step 32 is judged) whether calculated difference more than first threshold voltage Udc1If, then solar charging electric control
And protected location charges to super capacitor group with peak power, if otherwise entering step 34)；
34) step 32 is judged) whether calculated difference more than Second Threshold voltage Udc2If, then solar charging electric control
And protected location charges to super capacitor group with Isobarically Control pattern, if otherwise entering step 35)；
35) step 32 is judged) whether calculated difference more than the 3rd threshold voltage Udc3If, then solar charging electric control
And protected location stops charging to super capacitor group, if otherwise returning step 31).
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| CN201610530460.4A CN106160161B (en) | 2016-07-07 | 2016-07-07 | A kind of solar energy power source apparatus and control method |
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| CN201610530460.4A CN106160161B (en) | 2016-07-07 | 2016-07-07 | A kind of solar energy power source apparatus and control method |
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| CN106160161B CN106160161B (en) | 2019-01-18 |
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| CN106482264A (en) * | 2016-11-25 | 2017-03-08 | 广东美的制冷设备有限公司 | A kind of solar airconditioning based on super capacitor and its control method |
| CN108287590A (en) * | 2018-01-14 | 2018-07-17 | 宁波山迪光能技术有限公司 | A kind of solar cell power control system and its control method |
| CN109842198A (en) * | 2019-03-25 | 2019-06-04 | 上海工程技术大学 | A kind of track plates parameter online system |
| CN111711259A (en) * | 2020-07-06 | 2020-09-25 | 暨南大学 | Photovoltaic micro-energy collection system and hybrid energy storage automatic charging and discharging control method thereof |
| CN112436586A (en) * | 2020-11-26 | 2021-03-02 | 石家庄科林电气股份有限公司 | Power supply system based on double super capacitor sets |
| CN114362322A (en) * | 2022-01-18 | 2022-04-15 | 成都飞英思特科技有限公司 | Micro-energy acquisition surplus energy collecting circuit, device and method and power supply method |
| CN114785624A (en) * | 2022-05-16 | 2022-07-22 | 深圳市特发信息股份有限公司 | Local area network communication system and power self-supply mutual supply method thereof |
| CN115800350A (en) * | 2023-02-08 | 2023-03-14 | 通号（长沙）轨道交通控制技术有限公司 | Rail transit vehicle and regenerative braking energy comprehensive utilization device and method thereof |
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| CN114362322A (en) * | 2022-01-18 | 2022-04-15 | 成都飞英思特科技有限公司 | Micro-energy acquisition surplus energy collecting circuit, device and method and power supply method |
| CN114785624A (en) * | 2022-05-16 | 2022-07-22 | 深圳市特发信息股份有限公司 | Local area network communication system and power self-supply mutual supply method thereof |
| CN115800350A (en) * | 2023-02-08 | 2023-03-14 | 通号（长沙）轨道交通控制技术有限公司 | Rail transit vehicle and regenerative braking energy comprehensive utilization device and method thereof |
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