CN104553673B - Vehicular direct-current air handling system and its control method - Google Patents
Vehicular direct-current air handling system and its control method Download PDFInfo
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- CN104553673B CN104553673B CN201410817458.6A CN201410817458A CN104553673B CN 104553673 B CN104553673 B CN 104553673B CN 201410817458 A CN201410817458 A CN 201410817458A CN 104553673 B CN104553673 B CN 104553673B
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- energy storage
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- direct current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
- B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of Vehicular direct-current air handling system, including：For generating the photovoltaic module of direct current；Energy storage device and direct current air adjuster；The photovoltaic converter being connected with photovoltaic module, energy storage device and direct current air adjuster, photovoltaic converter include：Starting switch；One end is connected with photovoltaic module, the discharge and recharge two-way circuit that the other end is connected with energy storage device；One end and one end of photovoltaic module and discharge and recharge two-way circuit are respectively connected with, the DC/DC converters that the other end is connected with direct current air adjuster；The controller being connected respectively with discharge and recharge two-way circuit and DC/DC converters, discharge and recharge two-way circuit and DC/DC converters are controlled for state, the terminal voltage of the output voltage of photovoltaic module and energy storage device and the capacity according to starting switch, to improve the comfortableness in car steering room, while reduce the consumption of fuel oil and the discharge of waste gas.The invention also discloses a kind of control method of Vehicular direct-current air handling system.
Description
Technical field
The present invention relates to mobile unit field, more particularly to a kind of Vehicular direct-current air handling system and one kind are vehicle-mounted straight
Flow the control method of air handling system.
Background technology
In summer, automobile cab can be become a small furnace by scorching for the sun, especially after parking, if do not had
Air-conditioning, it is difficult to be rested in driver's cabin.
At present, the automobile use in China 99% carries air-conditioning, and carrying air-conditioning is driven by automobile engine, and one
As only used in driving way, and during resting in automobile, want to ensure the comfort level in car steering room, automobile engine must
Power must be provided to carry air-conditioning in operating condition, but can so cause unnecessary waste, it is big especially for horsepower
Lorry and trailer, be activated individually and carry air-conditioning and make it that fuel consumption is larger.
In order to solve the above problems, the automotive air-conditioning system of two kinds of auxiliary in correlation technique be present：One kind is to use
Gasoline engine generator provides power to air-conditioning is carried, but this automotive air-conditioning system still needs gasoline sky to be present as fuel
Gas pollution weight, the shortcomings that cost is high, and gasoline engine generator are easy to damage due to frequent starting；Another kind is to use small-sized bavin
Oil machine provides power to air-conditioning is carried, although fault rate can be than relatively low, equally existing needs fuel oil, pollution weight and cost high
The shortcomings that.Therefore, automobile rests and when night stops transport, and never has the problem of air adjustment and comfortableness in driver's cabin
Solved to good.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, it is a kind of when automobile rests or night stops transport it is an object of the present invention to propose, it can not only ensure
Comfortableness in driver's cabin, and fuel consumption and the Vehicular direct-current air handling system of waste gas discharge can be reduced.
It is another object of the present invention to propose a kind of control method of Vehicular direct-current air handling system.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of Vehicular direct-current air handling system, including：
Photovoltaic module, for generating direct current；Energy storage device and direct current air adjuster；With the photovoltaic module, the energy storage device
The photovoltaic converter being connected with the direct current air adjuster, the photovoltaic converter include：Starting switch；The two-way electricity of discharge and recharge
Road, one end of the discharge and recharge two-way circuit are connected with the photovoltaic module, the other end of the discharge and recharge two-way circuit and institute
Energy storage device is stated to be connected；DC/DC converters, one end of the DC/DC converters and the photovoltaic module and the discharge and recharge are double
It is respectively connected with to one end of circuit, the other end of the DC/DC converters is connected with the direct current air adjuster；Controller,
The controller is connected with the discharge and recharge two-way circuit and the DC/DC converters respectively, for according to the starting switch
State, the output voltage of the photovoltaic module and the terminal voltage of the energy storage device and capacity to the two-way electricity of the discharge and recharge
Road and the DC/DC converters are controlled.
Vehicular direct-current air handling system according to embodiments of the present invention, by controller according to the state of starting switch,
The output voltage of photovoltaic module and the terminal voltage of energy storage device and capacity are carried out to discharge and recharge two-way circuit and DC/DC converters
Control, to improve the comfortableness in car steering room.Also, in the Vehicular direct-current air handling system of the embodiment of the present invention,
Due to being powered using photovoltaic module to energy storage device and direct current air adjuster, reduce the consumption of fuel oil and the discharge of waste gas.
In addition, in Vehicular direct-current air handling system, due to using direct current air adjuster, reduce the inversion ring in transformation of electrical energy
Section, improves the utilization rate of electric energy and the endurance of energy storage device.
Wherein, the mode of operation of the direct current air adjuster includes powerful pattern on daytime and night energy saver mode.
According to one embodiment of present invention, when the starting switch is not gated on, the controller is in the photovoltaic
When the output voltage of component is more than default minimum, the discharge and recharge two-way circuit is controlled so that the photovoltaic module is
The energy storage device charging.
Wherein, according to one embodiment of present invention, when the terminal voltage of the energy storage device is more than predetermined voltage threshold,
The controller controls the discharge and recharge two-way circuit to be charged by the energy storage device of constant voltage floating charge charging modes；When the storage
Can the terminal voltage of equipment when being less than or equal to the predetermined voltage threshold, the controller control discharge and recharge two-way circuit with
Constant current charging method charges for the energy storage device.
According to one embodiment of present invention, when the starting switch is opened, if the capacity of the energy storage device
More than or equal to lower limit capacity threshold value, then start the discharge and recharge two-way circuit and the DC/DC converters are set by the energy storage
It is standby to be powered for the direct current air adjuster；If the capacity of the energy storage device is less than the lower limit capacity threshold value, limit
The direct current air adjuster start.
According to one embodiment of present invention, the energy storage device is Vehicular accumulator cell and super capacitor.
According to one embodiment of present invention, the default minimum ends for the electric discharge of the Vehicular accumulator cell
Voltage.
According to one embodiment of present invention, the predetermined voltage threshold is the Vehicular accumulator cell volume in the energy storage device
Determine voltage 1.125-1.15 times.
According to one embodiment of present invention, the lower limit capacity threshold value is the 50% of the energy storage device rated capacity.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of control of Vehicular direct-current air handling system
Method processed, wherein, the Vehicular direct-current air handling system includes being used for generating the photovoltaic module of direct current, energy storage device, straight
Stream air regulator and the photovoltaic unsteady flow being connected with the photovoltaic module, the energy storage device and the direct current air adjuster
Device, wherein, the photovoltaic converter includes starting switch, discharge and recharge two-way circuit and DC/DC converters, the control method bag
Include following steps：The state of the starting switch is detected, and detects the output voltage of photovoltaic module and the energy storage device
Terminal voltage and capacity；According to the state of the starting switch, the output voltage of the photovoltaic module and the energy storage device
Terminal voltage and capacity are controlled to the discharge and recharge two-way circuit and the DC/DC converters.
The control method of Vehicular direct-current air handling system according to embodiments of the present invention, the shape of starting switch is detected first
State, and detect the output voltage of photovoltaic module and the terminal voltage of energy storage device and capacity, then according to the state of starting switch,
The output voltage of photovoltaic module and the terminal voltage of energy storage device and capacity are carried out to discharge and recharge two-way circuit and DC/DC converters
Control.Therefore, the control method of the Vehicular direct-current air handling system of the embodiment of the present invention, according to the state of starting switch, light
The terminal voltage and capacity of the output voltage and energy storage device that lie prostrate component are controlled to discharge and recharge two-way circuit and DC/DC converters
Make to improve the comfortableness in car steering room, reduce the consumption of fuel oil and the discharge of waste gas.
According to one embodiment of present invention, when the starting switch is not gated on, if the photovoltaic module is defeated
Go out voltage and be more than default minimum, then control the discharge and recharge two-way circuit make it that the photovoltaic module is the energy storage
Equipment charge.
According to one embodiment of present invention, the discharge and recharge two-way circuit is controlled make it that the photovoltaic module is the storage
Energy equipment charge, is specifically included：When the terminal voltage of the energy storage device is more than predetermined voltage threshold, control the discharge and recharge double
Charged to circuit by the energy storage device of constant voltage floating charge charging modes；When the terminal voltage of the energy storage device is less than or equal to institute
When stating predetermined voltage threshold, the discharge and recharge two-way circuit is controlled to be charged by the energy storage device of constant current charging method.
According to one embodiment of present invention, when the starting switch is opened, if the capacity of the energy storage device
More than or equal to lower limit capacity threshold value, then start the discharge and recharge two-way circuit and the DC/DC converters are set by the energy storage
It is standby to be powered for the direct current air adjuster；If the capacity of the energy storage device is less than the lower limit capacity threshold value, limit
The direct current air adjuster start.
Wherein, the mode of operation of the direct current air adjuster includes powerful pattern on daytime and night energy saver mode.
Brief description of the drawings
Fig. 1 is the block diagram of Vehicular direct-current air handling system according to an embodiment of the invention.
Fig. 2 is the control flow chart of Vehicular direct-current air handling system according to an embodiment of the invention.
Fig. 3 is the model selection flow chart of direct current air adjuster according to an embodiment of the invention.
Fig. 4 is the flow chart of the control method of Vehicular direct-current air handling system according to embodiments of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This
Outside, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be appreciated that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
" on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included
Into the embodiment between the first and second features, such first and second feature may not be direct contact.
In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanical connection or electrical connection or the connection of two element internals, can
To be to be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Below with reference to the accompanying drawings the Vehicular direct-current air handling system and Vehicular direct-current air adjustment of the embodiment of the present invention are described
The control method of system.
Fig. 1 is the block diagram of Vehicular direct-current air handling system according to an embodiment of the invention.Such as Fig. 1 institutes
Show, the Vehicular direct-current air handling system includes：Photovoltaic module 100, photovoltaic converter 200, energy storage device 300 and direct current are empty
Gas adjuster 400.
Wherein, photovoltaic module 100 is used to generate direct current, photovoltaic converter 200 and photovoltaic module 100, energy storage device 300
It is connected with direct current air adjuster 400, also, photovoltaic converter 200 includes：Starting switch (not specifically illustrated in figure), charge and discharge
Electric two-way circuit 201, DC/DC converters 202 and controller 203, wherein, one end of discharge and recharge two-way circuit 201 and photovoltaic
Component 100 be connected, the other end of discharge and recharge two-way circuit 201 is connected with energy storage device 300, one end of DC/DC converters 202 and
One end of photovoltaic module 100 and discharge and recharge two-way circuit 201 is respectively connected with, the other end and direct current air of DC/DC converters 202
Adjuster 400 is connected, and controller 203 is connected with discharge and recharge two-way circuit 201 and DC/DC converters 202 respectively, is opened for basis
State, the output voltage of photovoltaic module 100 and the terminal voltage of energy storage device 300 and capacity of dynamic switch are to the two-way electricity of discharge and recharge
Road 201 and DC/DC converters 202 are controlled.
According to one embodiment of present invention, energy storage device 300 is Vehicular accumulator cell 301 and super capacitor 302, and is passed through
Inductance L is connected in parallel.
Specifically, photovoltaic module 100 can be arranged on automobile cab top and/or the top of automobile bodies, pass through photoelectricity
Solar energy is changed into electric energy and adjusted to the energy storage device 300 in Vehicular direct-current air handling system and/or direct current air by conversion
Device 400 provides direct current.
Photovoltaic converter 200 is the core of transformation of electrical energy in Vehicular direct-current air handling system, can be arranged on car steering
It is indoor.Its major function is that the unstable direct current for exporting photovoltaic module 100 is transformed to meet according to the requirement of programming
To the charging of energy storage device 300 and the stable DC electricity of the normal work of direct current air adjuster 400, meanwhile, photovoltaic converter 200 is also
It is responsible for the electric energy stored in energy storage device 300 discharging supply direct current air adjuster 400 and uses, in addition, photovoltaic unsteady flow
Device 200 also has the automatic charging management function to energy storage device 300.
Energy storage device 300 is mountable to the lower section of car body, daytime, and energy storage device 300 is operated in charged state, by light
The direct current that volt component 100 exports stores, and when automobile rests and night stops transport, energy storage device 300, which is operated in, to be put
Electricity condition, output direct current supply electricity to direct current air adjuster 400 and used.In an embodiment of the present invention, the car in energy storage device 300
Carry battery 301 and super capacitor 302 is connected in parallel by inductance L, wherein, Vehicular accumulator cell 301 can store major part
Electric energy, meet the needs that night direct current air adjuster 400 works long hours, and super capacitor 302 is used as Vehicular accumulator cell
301 auxiliary and supplement, mainly when direct current air adjuster 400 is in fast-refrigerating or heating, there is provided high current in short-term
Output.
Direct current air adjuster 400 is use electric loading main in whole Vehicular direct-current air handling system, is responsible for vapour
Car driver's cabin provides the function of ventilation, refrigeration or heating, improves the comfortableness in car steering room, and direct current air is adjusted
The direct current that device 400 can be exported directly using photovoltaic module 100, without inversion link, both improved electric energy utilization rate and
The endurance of energy storage device, reduces cost again.Direct current air adjuster 400 includes interior machine 401 and outer machine 402, wherein, it is interior
Machine 401 is installed on the inside of automobile cab, and outer machine 401 is installed on the outside of automobile cab or the top of automobile bodies,
Also, direct current air adjuster 400 is provided with two kinds of mode of operations：Daytime powerful pattern and night energy saver mode, both patterns
It can be manually set, can also be worked by light sensor according to the intensity automatic decision of light into which by remote control
Pattern, it should be pointed out that the priority for being manually set mode of operation is higher than the pattern of automatic decision.
Further, the voltage range for the direct current that photovoltaic module 100 is provided is 20-40V, power bracket 300-
500W。
Photovoltaic converter 200 includes starting switch, discharge and recharge two-way circuit 201, DC/DC converters 202 and controller
203, wherein, the major function of discharge and recharge two-way circuit 201 is to carry out discharge and recharge to energy storage device 300, when direct current air is adjusted
When device 400 does not work, energy storage device 300 is in charged state, and discharge and recharge two-way circuit 201 exports photovoltaic module 100 straight
Stream electricity storage is into energy storage device 300；When direct current air adjuster 400 works, energy storage device 300 is in discharge condition, fills
Electric discharge two-way circuit 201 discharges the electric energy in energy storage device 300 powers to direct current air adjuster 400.DC/DC is converted
The major function of device 202 is boosting and voltage stabilizing, the low-voltage direct electric boost that photovoltaic module 100 and/or energy storage device 300 are exported
To meeting the voltage range such as 150-260V of the normal work of direct current air adjuster 400, and maintain in this voltage range.Control
Device 203 processed is the control core of photovoltaic converter 200, and major function is to sample voltage Upv, the photovoltaic that photovoltaic module 100 exports
The DC bus-bar voltage Udc for the output of electric current Ipv, DC/DC converter 202 that component 100 exports, the terminal voltage of energy storage device 300
Ubat and energy storage device 300 capacity Q, then according to sampled value to discharge and recharge two-way circuit 201 and DC/DC converters 202
It is controlled, realizes the automatic charging management to energy storage device 300 and the function of being powered to direct current air adjuster 400, specifically
Ground, as shown in figure 1, controller 203 exports 4 road pwm signals, wherein two-way pwm signal is used to control in DC/DC converters 202
Device for power switching break-make, another two-way pwm signal is used to control device for power switching in discharge and recharge two-way circuit 201
Break-make, also, controller 203 can determine energy storage device 300 in charging shape according to the capacity Q of the energy storage device 300 of reception
Charge mode during state and the protection control in discharge condition, prevent the deep discharge of Vehicular accumulator cell 301, to improve vehicle-mounted storage
Voltage needed for the service life of battery 301 and reserved vehicle sparking startup.
It is to be particularly noted that the energy storage device 300 of the embodiment of the present invention uses Vehicular accumulator cell 301 and super capacitor
302 modes in parallel, be combined with that the capacity of Vehicular accumulator cell 301 is big, endurance is strong using the advantages of this parallel way and
The advantages of super capacitor 302 meets heavy-current discharge in short-term and discharge and recharge often.In the higher or lower situation of daytime temperature
Under, when just having opened the powerful pattern on daytime of direct current air adjuster 400, fast-refrigerating or heating can be started, it is quick to meet
The requirement of air themperature comfortableness in car steering room is improved, it is defeated in short-term just to may require that energy storage device 300 has in this case
Go out the ability of high current, at this moment the can of super capacitor 302 has given play to advantage；And it can not be sent out in night, photovoltaic module 100
Electricity, direct current air adjuster 400 fully rely on energy storage device 300 to work, now, the characteristics of capacity of Vehicular accumulator cell 301 is big
Needs can just be met.
In addition, daytime possessed by direct current air adjuster 400 is powerful and night saves two kinds of mode of operations and causes direct current
Air regulator 400 uses easier, and has taken into account that daytime temperature is high, it is necessary to which refrigerating capacity is big or daytime temperature
It is low, it is necessary to heating capacity is big, and the usage time of night air regulator 400 is long is continued a journey, it is necessary to save with improving energy storage device 300
The requirement of ability, therefore, daytime possessed by direct current air adjuster 400 is powerful and night saves two kinds of mode of operations, ensures
Comfortableness and night under automobile cab high temperature on daytime rely solely on energy storage device long lasting for work.It is also, straight
Two kinds of mode of operations possessed by stream air regulator 400 can be manually set by remote control can also be by installing indoors
Light sensor automatic decision daytime, night on machine 401, enter corresponding work to automatically control direct current air adjuster 400
Operation mode.Wherein, light sensor can be photo resistance.
According to one embodiment of present invention, when starting switch is not gated on, controller 203 is in photovoltaic module 100
When output voltage is more than default minimum, control discharge and recharge two-way circuit 201 make it that photovoltaic module 100 is energy storage device
300 chargings.
Wherein, when the terminal voltage of energy storage device 300 is more than predetermined voltage threshold, controller 203 controls discharge and recharge two-way
Circuit 201 charges by energy storage device 300 of constant voltage floating charge charging modes；When the terminal voltage of energy storage device 300 is less than or equal in advance
If during voltage threshold, controller 203 controls discharge and recharge two-way circuit 201 to be charged by energy storage device 300 of constant current charging method.
According to one embodiment of present invention, when starting switch is opened, if the capacity of energy storage device 300 be more than or
Equal to lower limit capacity threshold value, then it is that direct current is empty to start discharge and recharge two-way circuit 201 and DC/DC converters 202 by energy storage device 300
Gas adjuster 400 is powered；If the capacity of energy storage device 300 is less than lower limit capacity threshold value, limitation direct current air adjuster 400
Start.
Preferably, the final discharging voltage that minimum is Vehicular accumulator cell 301 is preset, predetermined voltage threshold is storage
1.125-1.15 times of the rated voltage of Vehicular accumulator cell 301 that can be in equipment 300, lower limit capacity threshold value is the volume of energy storage device 300
The 50% of constant volume.
Specifically, controller 203 first determines whether the starting switch of photovoltaic converter 200 opens, if starting switch
It is not gated on, then starts the discharge and recharge two-way circuit 201 of energy storage device 300, controller 203 judges what photovoltaic module 100 exported
Whether voltage Upv is more than default minimum Upvlim, i.e., it is vehicle-mounted whether the voltage Upv that photovoltaic module 100 exports is more than
The final discharging voltage of battery 301 such as 21V, if the voltage Upv that photovoltaic module 100 exports is more than default minimum
Upvlim, then the control discharge and recharge of controller 203 two-way circuit 201 is so that photovoltaic module 100 charges for energy storage device 300；If
The voltage Upv that photovoltaic module 100 exports is less than or equal to default minimum Upvlim, then controller 203 prompts illumination not
Foot, and close the discharge and recharge two-way circuit 201 of energy storage device 300.
When it is that energy storage device 300 charges that controller 203, which starts discharge and recharge two-way circuit 201, controller 203 first determines whether
Whether the terminal voltage Ubat of energy storage device 300 is more than predetermined voltage threshold Ubat_f, that is, judges the terminal voltage of energy storage device 300
Whether Ubat is more than 1.125-1.15 times of the rated voltage of Vehicular accumulator cell 301 in energy storage device 300, if energy storage device
300 terminal voltage Ubat is more than predetermined voltage threshold Ubat_f, then controller 203 controls discharge and recharge two-way circuit 201 with constant pressure
Floating charge mode is that energy storage device 300 charges；If the terminal voltage Ubat of energy storage device 300 is less than or equal to predeterminated voltage threshold
Value Ubat_f, then controller 203 control discharge and recharge two-way circuit 201 to be charged by energy storage device 300 of constant current charging method.
When starting switch is opened, first determine whether the capacity Q of energy storage device 300 is more than or equal to lower limit capacity threshold
Value Qlim, that is, judge whether the capacity Q of energy storage device 300 is more than or equal to the 50% of the rated capacity of energy storage device 300, if storage
The capacity Q of energy equipment 300 is more than or equal to lower limit capacity threshold value Qlim, then starts discharge and recharge two-way circuit 201 and DC/DC conversion
Device 202 is that direct current air adjuster 400 is powered by energy storage device 300；If the capacity Q of energy storage device 300 is less than lower limit capacity
Threshold value Qlim, then the not enough power supply of energy storage device 300 is prompted, limitation direct current air adjuster 400 is started shooting, so as to energy storage device
300 and direct current air adjuster 400 protected.
Further, as shown in Fig. 2 the control process of Vehicular direct-current air handling system comprises the following steps：
S101, controller 203 judge whether starting switch opens.If it is, perform step S109；If not, perform step
Rapid S102.
S102, start discharge and recharge two-way circuit 201.
S103, controller 203 sample the voltage Upv of the output of photovoltaic module 100 and the terminal voltage Ubat of reservation facility 300.
S104, controller 203 judge whether the voltage Upv that photovoltaic module 100 exports is more than default minimum
Upvlim.If it is, perform step S106；If not, perform step S105.
S105, controller 203 prompt illumination deficiency, close discharge and recharge two-way circuit 201.
S106, controller 203 judge whether the terminal voltage Ubat of reservation facility 300 is more than predetermined voltage threshold Ubat_f.
If it is, perform step S108；If not, perform step S107.
S107, controller 203 control discharge and recharge two-way circuit 201 to be charged by energy storage device 300 of constant current charging method, and
Return to step S101, continue to judge.Wherein, charging current 0.1C, and maximum charging current is 0.15C, it is necessary to explanation
It is, for 100Ah Vehicular accumulator cell, 1C=100A.
S108, controller 203 control discharge and recharge two-way circuit 201 to be filled by energy storage device 300 of constant voltage floating charge charging modes
Electricity, and return to step S101, continue to judge.
S109, judges whether the capacity Q of energy storage device 300 is more than or equal to lower limit capacity threshold value Qlim.If it is, perform
S110；If not, perform step S112.
S110, control circuit 203 starts discharge and recharge two-way circuit 201 and DC/DC converters 202 are by energy storage device 300
Direct current air adjuster 400 is powered.
S111, control circuit 203 monitor the actual capacity Q of energy storage device 300, and return to step S109, continue to sentence in real time
It is disconnected.
S112, controller 203 prompt the not enough power supply of energy storage device 300, and limitation direct current air adjuster 400 is started shooting.
S113, Vehicular direct-current air handling system are transferred to the charged state of energy storage device 300, and return to step S109, continue
Judge.
, wherein it is desired to, it is noted that predetermined voltage threshold Ubat_f is no more than the Vehicular accumulator cell in energy storage device 300
1.167 times of 301 rated voltages, otherwise Vehicular accumulator cell 301 can be in overvoltage charged state, influence Vehicular accumulator cell 301
Service life, and bring certain potential safety hazard.In addition, lower limit capacity threshold value Qlim setting depends on energy storage device 300
DOD (Depth of Discharge, depth of discharge), according to the characteristics of Vehicular accumulator cell 301, the DOD of energy storage device 300 can
Think 40%-60%, it is preferable that in an embodiment of the present invention, lower limit capacity threshold value Qlim is the rated capacity of energy storage device 300
50%.
By above-mentioned control flow, Vehicular direct-current air handling system can when daylight intensity is stronger,
Generated electricity by photovoltaic module 100, when direct current air adjuster 400 is not run, the direct current that photovoltaic module 100 exports stores
It is divided into two stages into energy storage device 300, and to the charging process of energy storage device 300：Constant-current charge and constant voltage floating charge are filled
Electricity, the charging rate of energy storage device 300 was so both accelerated, making for Vehicular accumulator cell 301 in energy storage device 300 can be improved again
Use the life-span.
According to one embodiment of present invention, the mode of operation of direct current air adjuster includes powerful pattern on daytime and night
Energy saver mode.Because direct current air adjuster 400 has daytime powerful two kinds of mode of operations, and both works are saved with night
The selection and switching of operation mode can be manually set by remote control, if not over being manually set, can be by photosensitive
The mode of operation of sensor automatic decision direct current air adjuster 400.Wherein, direct current air is manually set by remote control to adjust
The priority of the mode of operation of device 400 is higher than the pattern of automatic decision, and specific model selection flow is as shown in Figure 3：
S201, judge whether to be manually set the mode of operation of direct current air adjuster 400 by remote control.If it is, hold
Row step S202；If not, perform step S203.
S202, the mode of operation of direct current air adjuster 400 is manually set by the function key on remote control.
S203, in the case where not being manually set the mode of operation of direct current air adjuster 400 by remote control, pass through light
Whether dependent sensor automatic decision direct current air adjuster 400 enters night energy saver mode mode of operation.If it is, perform step
S204；If not, perform step S205.
S204, direct current air adjuster 400 is automatically into night saving operation mode.
S205, direct current air adjuster 400 keep powerful pattern on daytime.
In summary, Vehicular direct-current air handling system according to embodiments of the present invention, opened by controller according to startup
The state of pass, the terminal voltage of the output voltage of photovoltaic module and energy storage device and capacity are to discharge and recharge two-way circuit and DC/DC
Converter is controlled, to improve the comfortableness in car steering room.Also, adjusted in the Vehicular direct-current air of the embodiment of the present invention
In section system, due to being powered using photovoltaic module to energy storage device and direct current air adjuster, reduce the consumption of fuel oil and give up
The discharge of gas.In addition, in Vehicular direct-current air handling system, due to using direct current air adjuster, reduce transformation of electrical energy
In inversion link, improve the utilization rate of electric energy and the endurance of energy storage device.
In order to realize above-described embodiment, the present invention also proposes a kind of control method of Vehicular direct-current air handling system, its
In, Vehicular direct-current air handling system include being used for generating the photovoltaic module, energy storage device, direct current air adjuster of direct current with
And the photovoltaic converter being connected with photovoltaic module, energy storage device and direct current air adjuster, wherein, photovoltaic converter includes starting
Switch, discharge and recharge two-way circuit and DC/DC converters are as shown in figure 4, the control method bag of the Vehicular direct-current air handling system
Include following steps：
S1, detects the state of starting switch, and detect photovoltaic module output voltage and energy storage device terminal voltage and
Capacity.
According to one embodiment of present invention, energy storage device can be Vehicular accumulator cell and super capacitor.
S2, according to the terminal voltage and capacity pair of the state of starting switch, the output voltage of photovoltaic module and energy storage device
Discharge and recharge two-way circuit and DC/DC converters are controlled.
According to one embodiment of present invention, when starting switch is not gated on, if the output voltage of photovoltaic module is big
In default minimum, then control discharge and recharge two-way circuit that photovoltaic module is charged for energy storage device.
Wherein, control discharge and recharge two-way circuit that photovoltaic module is charged for energy storage device, specifically include：Work as energy storage device
Terminal voltage when being more than predetermined voltage threshold, control discharge and recharge two-way circuit to be filled using constant voltage floating charge charging modes as energy storage device
Electricity；When the terminal voltage of energy storage device is less than or equal to predetermined voltage threshold, control discharge and recharge two-way circuit is with constant-current charge side
Formula charges for energy storage device.
According to one embodiment of present invention, when starting switch is opened, if the capacity of energy storage device is more than or waited
In lower limit capacity threshold value, then start discharge and recharge two-way circuit and DC/DC converters and supplied by energy storage device for direct current air adjuster
Electricity；If the capacity of energy storage device is less than lower limit capacity threshold value, the adjuster start of limitation direct current air.
Preferably, the final discharging voltage that minimum is Vehicular accumulator cell is preset, predetermined voltage threshold is energy storage
1.125-1.15 times of Vehicular accumulator cell rated voltage in equipment, lower limit capacity threshold value are energy storage device rated capacity
50%.
Specifically, as shown in Fig. 2 first determining whether the starting switch of photovoltaic converter opens, if starting switch is not
Opened, then start the discharge and recharge two-way circuit of energy storage device, judge whether the voltage of photovoltaic module output is more than default minimum
Whether the voltage of operating voltage, i.e. photovoltaic module output is more than the final discharging voltage such as 21V of Vehicular accumulator cell, if photovoltaic group
The voltage of part output is more than default minimum, then controls discharge and recharge two-way circuit so that photovoltaic module fills for energy storage device
Electricity；If the voltage of photovoltaic module output is less than or equal to default minimum, illumination deficiency is prompted, and close energy storage and set
Standby discharge and recharge two-way circuit.
When it is that energy storage device charges to start discharge and recharge two-way circuit, first determine whether the terminal voltage of energy storage device is more than
Predetermined voltage threshold, that is, judge whether the terminal voltage of energy storage device is more than the Vehicular accumulator cell rated voltage in energy storage device
1.125-1.15 times, if the terminal voltage of energy storage device is more than predetermined voltage threshold, control discharge and recharge two-way circuit is with constant pressure
Floating charge mode charges for energy storage device；If the terminal voltage of energy storage device is less than or equal to predetermined voltage threshold, control
Discharge and recharge two-way circuit charges by energy storage device of constant current charging method.
When starting switch is opened, first determine whether the capacity of energy storage device is more than or equal to lower limit capacity threshold value,
Judge whether the capacity of energy storage device is more than or equal to the 50% of energy storage device rated capacity, if the capacity of energy storage device is big
In or equal to lower limit capacity threshold value, then start discharge and recharge two-way circuit and DC/DC converters and adjusted by energy storage device for direct current air
Save device power supply；If the capacity of energy storage device is less than lower limit capacity threshold value, the not enough power supply of energy storage device is prompted, limits direct current
Air regulator is started shooting, so as to be protected to energy storage device and direct current air adjuster.
Wherein, the mode of operation of direct current air adjuster includes powerful pattern on daytime and night energy saver mode.
The control method of Vehicular direct-current air handling system according to embodiments of the present invention, the shape of starting switch is detected first
State, and detect the output voltage of photovoltaic module and the terminal voltage of energy storage device and capacity, then according to the state of starting switch,
The output voltage of photovoltaic module and the terminal voltage of energy storage device and capacity are carried out to discharge and recharge two-way circuit and DC/DC converters
Control.Therefore, the control method of the Vehicular direct-current air handling system of the embodiment of the present invention, according to the state of starting switch, light
The terminal voltage and capacity of the output voltage and energy storage device that lie prostrate component are controlled to discharge and recharge two-way circuit and DC/DC converters
Make to improve the comfortableness in car steering room, reduce the consumption of fuel oil and the discharge of waste gas.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (11)
- A kind of 1. Vehicular direct-current air handling system, it is characterised in that including：Photovoltaic module, for generating direct current；Energy storage device and direct current air adjuster, the energy storage device are Vehicular accumulator cell and super capacitor, the vehicular electricity storage Pond and the super capacitor are in parallel by inductance L, the mode of operation of the direct current air adjuster include powerful pattern on daytime and Night energy saver mode, wherein, when the direct current air adjuster is in the powerful pattern on daytime, pass through the super capacitor High current in short-term is provided, so that the direct current air adjuster fast-refrigerating or heating, are in the direct current air adjuster During the night energy saver mode, electric energy is provided by the Vehicular accumulator cell, so that the direct current air adjuster is held for a long time Continuous work；The photovoltaic converter being connected with the photovoltaic module, the energy storage device and the direct current air adjuster, the photovoltaic Current transformer includes：Starting switch；Discharge and recharge two-way circuit, one end of the discharge and recharge two-way circuit are connected with the photovoltaic module, and the discharge and recharge is two-way The other end of circuit is connected with the energy storage device；DC/DC converters, one end and one end of the photovoltaic module and the discharge and recharge two-way circuit of the DC/DC converters It is respectively connected with, the other end of the DC/DC converters is connected with the direct current air adjuster；Controller, the controller is connected with the discharge and recharge two-way circuit and the DC/DC converters respectively, for according to institute The state of starting switch, the terminal voltage of the output voltage of the photovoltaic module and the energy storage device and capacity is stated to fill to described Electric discharge two-way circuit and the DC/DC converters are controlled.
- 2. Vehicular direct-current air handling system as claimed in claim 1, it is characterised in thatWhen the starting switch is not gated on, the controller is more than default most unskilled labourer in the output voltage of the photovoltaic module When making voltage, control the discharge and recharge two-way circuit that the photovoltaic module is charged for the energy storage device.
- 3. Vehicular direct-current air handling system as claimed in claim 2, it is characterised in thatWhen the terminal voltage of the energy storage device is more than predetermined voltage threshold, the controller controls the discharge and recharge two-way circuit Charged by the energy storage device of constant voltage floating charge charging modes；When the terminal voltage of the energy storage device is less than or equal to the predetermined voltage threshold, the controller controls the charge and discharge Electric two-way circuit charges by the energy storage device of constant current charging method.
- 4. Vehicular direct-current air handling system as claimed in claim 1, it is characterised in that when the starting switch is opened When,If the capacity of the energy storage device is more than or equal to lower limit capacity threshold value, start the discharge and recharge two-way circuit and institute DC/DC converters are stated to be powered for the direct current air adjuster by the energy storage device；If the capacity of the energy storage device is less than the lower limit capacity threshold value, the direct current air adjuster start is limited.
- 5. Vehicular direct-current air handling system as claimed in claim 2, it is characterised in that the default minimum is The final discharging voltage of the Vehicular accumulator cell.
- 6. Vehicular direct-current air handling system as claimed in claim 3, it is characterised in that the predetermined voltage threshold is described 1.125-1.15 times of Vehicular accumulator cell rated voltage in energy storage device.
- 7. Vehicular direct-current air handling system as claimed in claim 4, it is characterised in that the lower limit capacity threshold value is described The 50% of energy storage device rated capacity.
- A kind of 8. control method of Vehicular direct-current air handling system, it is characterised in that the Vehicular direct-current air handling system Including the photovoltaic module for generating direct current, energy storage device, direct current air adjuster and with the photovoltaic module, the storage The photovoltaic converter that energy equipment is connected with the direct current air adjuster, the energy storage device is Vehicular accumulator cell and super electricity Hold, the Vehicular accumulator cell and the super capacitor are in parallel by inductance L, and the mode of operation of the direct current air adjuster includes Daytime powerful pattern and night energy saver mode, wherein, the photovoltaic converter include starting switch, discharge and recharge two-way circuit and DC/DC converters, the control method comprise the following steps：Detect the state of the starting switch, and detect photovoltaic module output voltage and the energy storage device terminal voltage and Capacity；According to the terminal voltage and appearance of the state of the starting switch, the output voltage of the photovoltaic module and the energy storage device Amount is controlled to the discharge and recharge two-way circuit and the DC/DC converters, wherein, it is in the direct current air adjuster During the powerful pattern on daytime, high current in short-term is provided by the super capacitor, so that the direct current air adjuster is quick Refrigeration or heating, when the direct current air adjuster is in the night energy saver mode, are provided by the Vehicular accumulator cell Electric energy, so that the direct current air adjuster is long lasting for work.
- 9. the control method of Vehicular direct-current air handling system as claimed in claim 8, it is characterised in thatWhen the starting switch is not gated on, if the output voltage of the photovoltaic module is more than default minimum, Then control the discharge and recharge two-way circuit that the photovoltaic module is charged for the energy storage device.
- 10. the control method of Vehicular direct-current air handling system as claimed in claim 8, it is characterised in that filled described in control Electric discharge two-way circuit causes the photovoltaic module to be charged for the energy storage device, specifically includes：When the terminal voltage of the energy storage device is more than predetermined voltage threshold, the discharge and recharge two-way circuit is controlled with constant voltage floating charge Charging modes charge for the energy storage device；When the terminal voltage of the energy storage device is less than or equal to the predetermined voltage threshold, the discharge and recharge two-way circuit is controlled Charged by the energy storage device of constant current charging method.
- 11. the control method of Vehicular direct-current air handling system as claimed in claim 8, it is characterised in that when the startup When switch is opened,If the capacity of the energy storage device is more than or equal to lower limit capacity threshold value, start the discharge and recharge two-way circuit and institute DC/DC converters are stated to be powered for the direct current air adjuster by the energy storage device；If the capacity of the energy storage device is less than the lower limit capacity threshold value, the direct current air adjuster start is limited.
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| CN105186970A (en) * | 2015-08-30 | 2015-12-23 | 湖北金福阳科技有限公司 | Capacitive buffering and collecting system for independent solar or wind power generation |
| CN105202666A (en) * | 2015-10-22 | 2015-12-30 | 广东美的制冷设备有限公司 | Solar air conditioning system and control method thereof |
| CN105485809B (en) * | 2015-12-23 | 2019-01-22 | 广东美的制冷设备有限公司 | The control method of air-conditioning system and air-conditioning system |
| CN106482264B (en) * | 2016-11-25 | 2022-06-17 | 广东美的制冷设备有限公司 | Solar air conditioner based on super capacitor and control method thereof |
| CN106739927A (en) * | 2016-12-01 | 2017-05-31 | 北京工业大学 | A kind of direct current compressor air-conditioning system of solar cell for supplying power |
| CN108749512A (en) * | 2018-05-24 | 2018-11-06 | 苏州携创新能源科技有限公司 | A kind of vehicles intelligent temperature regulating system |
| CN113352842B (en) * | 2021-05-24 | 2023-04-18 | 青岛海尔空调器有限总公司 | Vehicle-mounted air conditioner, control method thereof and computer-readable storage medium |
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