CN109572450A - A kind of composite power source method of supplying power to and system - Google Patents
A kind of composite power source method of supplying power to and system Download PDFInfo
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- CN109572450A CN109572450A CN201811605488.5A CN201811605488A CN109572450A CN 109572450 A CN109572450 A CN 109572450A CN 201811605488 A CN201811605488 A CN 201811605488A CN 109572450 A CN109572450 A CN 109572450A
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- battery
- supercapacitor
- control unit
- depth
- discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a kind of composite power source method of supplying power to and systems, and during battery powers to the load, circuit processor is monitored the output electric current of the battery；When the output electric current for monitoring the battery increases to the first current threshold, the circuit processor feeds back trigger signal to control unit, and the trigger signal is used to indicate starting supercapacitor and powers to the load；Described control unit starts supercapacitor and powers to the load, be decreased to the second current threshold to adjust the output electric current of the battery in response to the trigger signal.So, when electric car, which is in, to be started repeatedly and frequently accelerate contour current work state, the combination of the energy storage device including battery and supercapacitor may be implemented, ensure that energy storage device used is run under preferable operating condition, the problem of battery life deep fades caused by working environment variation can be effectively relieved and influence automobile course continuation mileage.
Description
Technical field
The present invention relates to power supply technology field more particularly to a kind of composite power source method of supplying power to and systems.
Background technique
Raising with user to requirements such as the course continuation mileages of electric car, performance requirement of the electric car to battery
It is continuously improved.Lithium ion battery is due to having many advantages, such as that energy density is high through being widely used in electric car in the related technology.
Lithium ion battery is mainly made of several parts such as positive electrode, negative electrode material and electrolyte, and performance height is directly related to electricity
Can electrical automobile meet user demand.
In practical applications, when electric car is often in starting repeatedly and frequently accelerating contour current work state, lithium
Ion battery material will certainly bear electric current change dramatically, this can directly result in capacity attenuation, cause shorter battery life, in turn
Influence automobile course continuation mileage.Meanwhile operating temperature it is higher when performance of lithium ion battery also will appear and be decreased obviously.In addition, lithium from
There is no perfect electrically-charging equipments for sub- battery to ensure that battery is run repeatedly.
Therefore, in order to meet user to the high demand of the course continuation mileage of electric car, it is urgent to provide a kind of new power supply systems
System is to overcome the above problem present in existing lithium ion battery.
Summary of the invention
The embodiment of the present invention creatively provides a kind of multiple to overcome the above problem present in existing lithium ion battery
Close power source supply method and system.
According to a first aspect of the present invention, a kind of composite power source method of supplying power to is provided, this method comprises: in battery to load
During power supply, circuit processor is monitored the output electric current of the battery；When monitoring the defeated of the battery
When electric current increases to the first current threshold out, the circuit processor feeds back trigger signal, the trigger signal to control unit
Starting supercapacitor is used to indicate to power to the load；Described control unit starts super capacitor in response to the trigger signal
Device powers to the load, and is decreased to the second current threshold to adjust the output electric current of the battery.
According to an embodiment of the present invention, the method also includes: in the battery and supercapacitor simultaneously to negative
During carrying power supply, the circuit processor is monitored the battery and the respective depth of discharge of supercapacitor,
Obtain monitoring result；The circuit processor is to control unit feedback and the matched control instruction of the monitoring result, so that institute
Control unit is stated in response to the control instruction.
According to an embodiment of the present invention, the monitoring result is super for the battery or the depth of discharge of supercapacitor
Depth threshold out；Correspondingly, the circuit processor is fed back to control unit and the matched control instruction of the monitoring result, with
Described control unit is set to respond the control instruction, comprising: the circuit processor feeds back the first control instruction to control unit,
First control instruction is used to indicate electrolysis liquid pool and send electrolyte to metal-air battery；Described control unit is in response to institute
State the first control instruction, control electrolysis liquid pool send electrolyte into metal-air battery so that the metal-air battery to
The battery or supercapacitor charging.
According to an embodiment of the present invention, the metal-air battery is to the battery or supercapacitor charging complete
Afterwards, the method also includes: the electrolyte in the metal-air battery is back to by described control unit by circulating line
It is electrolysed liquid pool.
According to an embodiment of the present invention, the monitoring result is the depth of discharge and supercapacitor of the battery
Depth of discharge ratio between the two exceeds preset ratio threshold value；Correspondingly, the circuit processor to control unit feedback with
The matched control instruction of monitoring result, so that described control unit responds the control instruction, comprising: the processing of circuit
Device feeds back the second control instruction to control unit, and second control instruction is used to adjust the battery and supercapacitor
Export energy distribution；Described control unit adjusts the battery and supercapacitor in response to second control instruction
Energy distribution is exported, so that the depth of discharge of the battery and the depth of discharge of supercapacitor ratio between the two meet
Preset ratio threshold value.
According to an embodiment of the present invention, the monitoring result is the depth of discharge and supercapacitor of the battery
Depth of discharge ratio between the two exceeds preset ratio threshold value；The method also includes: the circuit processor passes through current limliting
Mode adjusts the output energy distribution of the battery and supercapacitor, so that the depth of discharge of the battery and super
The depth of discharge of capacitor ratio between the two meets preset ratio threshold value.
According to an embodiment of the present invention, the method also includes: when the battery described during powering to the load
Or the temperature of supercapacitor is when exceeding amount temperature, the temperature sensor on the battery or supercapacitor is to the control
Unit processed feeds back temperature signal, and the temperature signal, which is used to indicate to circuit sequentially cooling water from water tank using cooling water, flows through institute
State battery, supercapacitor and/or metal-air battery；Described control unit opens circulation in response to the temperature signal
Cooling water is simultaneously circuited sequentially using cooling water from water tank and flows through the battery, supercapacitor and/or metal by pipeline valve
Air cell.
According to a second aspect of the present invention, a kind of composite power source power supply system is also provided, the system comprises: batteries and super
Grade capacitor, for powering to the load；Circuit processor, for during the battery powers to the load, to described
The output electric current of battery is monitored；When the output electric current for monitoring the battery increases to the first current threshold, to
Control unit feeds back trigger signal, and the trigger signal is used to indicate starting supercapacitor and powers to the load；The control is single
Member, for starting supercapacitor and powering to the load, to adjust the output electric current of the battery in response to the trigger signal
It is decreased to the second current threshold.
According to an embodiment of the present invention, the circuit processor is also used to, same in the battery and supercapacitor
When power to the load during, the battery and the respective depth of discharge of supercapacitor are monitored, monitored
As a result；To control unit feedback and the matched control instruction of the monitoring result, so that described control unit is in response to the control
System instruction.
According to an embodiment of the present invention, the monitoring result is super for the battery or the depth of discharge of supercapacitor
Depth threshold out；Correspondingly, the circuit processor is also used to, the first control instruction, first control are fed back to control unit
System instruction is used to indicate electrolysis liquid pool and send electrolyte to metal-air battery；Described control unit is also used to, in response to described
First control instruction, control electrolysis liquid pool send electrolyte into metal-air battery, so that the metal-air battery is to institute
State battery or supercapacitor charging.
According to an embodiment of the present invention, the metal-air battery is to the battery or supercapacitor charging complete
Afterwards, described control unit is also used to, and the electrolyte in the metal-air battery is back to electrolysis liquid pool by circulating line.
According to an embodiment of the present invention, the monitoring result is the depth of discharge and supercapacitor of the battery
Depth of discharge ratio between the two exceeds preset ratio threshold value；Correspondingly, the circuit processor is also used to, to control unit
The second control instruction is fed back, second control instruction is used to adjust the output energy point of the battery and supercapacitor
Match；Described control unit is also used to, and in response to second control instruction, adjusts the output of the battery and supercapacitor
Energy distribution so that the depth of discharge of the battery and the depth of discharge of supercapacitor ratio between the two meet it is default
Proportion threshold value.
According to an embodiment of the present invention, the monitoring result is the depth of discharge and supercapacitor of the battery
Depth of discharge ratio between the two exceeds preset ratio threshold value；The circuit processor is also used to, and is adjusted by current-limiting mode
The output energy distribution of the battery and supercapacitor is saved, so that the depth of discharge of the battery and supercapacitor
Depth of discharge ratio between the two meets preset ratio threshold value.
According to an embodiment of the present invention, the battery or supercapacitor are also used to, when in the mistake to power to the load
In journey when temperature overflow degree temperature, by the temperature sensor in the battery or supercapacitor to described control unit
Temperature signal is fed back, and the temperature signal, which is used to indicate cooling water to be circuited sequentially from water tank using cooling water, flows through the electric power storage
Pond, supercapacitor and/or metal-air battery；Described control unit is also used to, and in response to the temperature signal, opens circulation
Cooling water is simultaneously circuited sequentially using cooling water from water tank and flows through the battery, supercapacitor and/or metal by pipeline valve
Air cell.
Composite power source method of supplying power to according to the present invention and system, during battery powers to the load, circuit
Processor is monitored the output electric current of the battery；When the output electric current for monitoring the battery increases to the first electricity
When flowing threshold value, the circuit processor feeds back trigger signal to control unit, and the trigger signal is used to indicate the super electricity of starting
Container powers to the load；Described control unit starts supercapacitor and powers to the load in response to the trigger signal, to adjust
The output electric current of the battery is decreased to the second current threshold.In this way, when electric car is in starting repeatedly and frequently accelerates
When contour current work state, the combination of the energy storage device including battery and supercapacitor may be implemented, ensure institute
It is run under preferable operating condition with energy storage device, battery life deep fades and shadow caused by working environment variation can be effectively relieved
The problem of ringing automobile course continuation mileage.
Moreover, circuit processor transmission refers in the case that battery or the depth of discharge of supercapacitor are beyond threshold value
Enable to control unit, sent electrolyte into metal-air battery with control electrolysis liquid pool so that the metal-air battery to
The battery or supercapacitor charging, so that family can be used in a relatively flat range in depth of discharge control
There are better control and usage experience to vehicle-mounted electric quantity.
In addition, controlling unlatching by control unit when the temperature of battery or supercapacitor exceeds amount temperature
Cooling water is simultaneously circuited sequentially using cooling water from water tank and flows through battery, supercapacitor and/or metal by circulating line valve
Air cell also can save the cost while improving system utilization efficiency to realize power source temperature control.
It is to be appreciated that the teachings of the present invention does not need to realize whole beneficial effects recited above, but it is specific
Technical solution may be implemented specific technical effect, and other embodiments of the invention can also be realized and not mentioned above
Beneficial effect.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, above-mentioned and other mesh of exemplary embodiment of the invention
, feature and advantage will become prone to understand.In the accompanying drawings, if showing by way of example rather than limitation of the invention
Dry embodiment, in which:
In the accompanying drawings, identical or corresponding label indicates identical or corresponding part.
Fig. 1 shows total block architecture diagram of hybrid power system of the present invention；
Fig. 2 shows the implementation process schematic diagrames of composite power source method of supplying power to of the embodiment of the present invention.
Specific embodiment
The principle and spirit of the invention are described below with reference to several illustrative embodiments.It should be appreciated that providing this
A little embodiments are only to be to make those skilled in the art can better understand that realize the present invention in turn, and not with any side
Formula limits the scope of the invention.On the contrary, it is of the invention more thorough and complete to make for providing these embodiments, and it can incite somebody to action this
The range of invention is completely communicated to those skilled in the art.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Fig. 1 shows total block architecture diagram of hybrid power system of the present invention.With reference to Fig. 1, the composite power source power supply system 10
Including at least battery 101, supercapacitor 102, circuit processor 103, control unit 104, metal-air battery 105 and electricity
Solve liquid pool 106.Entire composite power source power supply system 10 is powered by battery 101 and supercapacitor 102 to external load 20.
Wherein, battery 101 refers mainly to the secondary cells such as lithium ion battery, for providing energy in the steady state；Super electricity
Container 102 is the supercapacitor group of commercial carbon electrode, and electrolyte used is the potassium hydroxide solution of 6mol/L, is mainly used for height
The unsteady dryings such as electric current；Circuit processor 103 is the signal detection adjustment module containing current limiter, can detect battery 101
With the signals such as the output electric current of supercapacitor 102 and depth of discharge, current limliting output action is played；Control unit 104 is according to letter
Number instruction is controlled each component of entire hybrid power system and vehicle-mounted water tank etc.；Metal-air battery 105 is aluminium air
Battery and magnesium air battery etc., electrolyte used are the potassium hydroxide solution of 6mol/L, and being mainly used as backup power source is battery
101 and supercapacitor 102 charging to control its depth of discharge；Electrolysis liquid pool 106 is that can play the role of collecting the general of lye
Logical reservoir, the electrolyte inside of supercapacitor 102 and metal-air battery 105 when for storing off working state.
In hybrid power system 10 provided by the invention, battery 101 and supercapacitor 102 with external load 20
(such as vehicle) connection.It is mainly that load 20 provides electric energy by battery 101 when working in the state that required power is lower；When
Into when starting repeatedly or frequently accelerating contour current work state, circuit processor 103 can detect that battery 101 exports electricity
Signal is simultaneously reached control unit 104 in time by rheologyization, while limitation battery 101 outputs current to specified current flow threshold value
Starting supercapacitor 102 carrys out output power.It can subtract in this way to avoid the service life caused by the output electric current change dramatically of battery 101
Few problem.In 102 course of work of battery 101 and supercapacitor, circuit processor 103 can each energy storage device of real-time detection
Depth of discharge and rationally carry out energy output distribution, when any one energy storage device depth of discharge be higher than depth threshold
When, control unit 104 will be the charging of above-mentioned energy storage device according to instruction starting metal-air battery 105, to maintain it in
Metastable depth of discharge work, and then deep battery discharge is avoided, prolong the service life.In system operation, when
When the operating temperature of energy storage device is more than amount temperature, signal is fed back to control unit, while control unit by temperature sensor
It opens circulating line valve and controls vehicle-mounted water tank (i.e. cooling water from water tank) and carry out water circulation with energy storage device to reduce temperature.
When supercapacitor 102 and metal-air battery 105 are in off working state, control unit 104 can be by its internal electrolyte
Electrolysis liquid pool 106 is drained by circulating line to store, and self-discharge of battery behavior influence caused by system is reduced with this.
Fig. 2 shows the implementation process schematic diagrames of composite power source method of supplying power to of the embodiment of the present invention.With reference to Fig. 2, the present invention
Composite power source method of supplying power to includes: operation 201, and during battery powers to the load, circuit processor is to the electric power storage
The output electric current in pond is monitored；Operation 202, when the output electric current for monitoring the battery increases to the first current threshold
When, the circuit processor to control unit feed back trigger signal, the trigger signal be used to indicate starting supercapacitor to
Load supplying；Operation 203, described control unit starts supercapacitor and powers to the load in response to the trigger signal, to adjust
The output electric current for saving the battery is decreased to the second current threshold.
Specifically, in conjunction with system architecture block diagram as shown in Figure 1, in operation 201~203, vehicle work in normal conditions
When making, battery 101 connect with load 20 and exports energy to it, and supercapacitor 102 is in close state at this time.When facing
When starting, upward slope and acceleration, circuit processor 103 can real-time monitor the output electric current of battery 101 and constantly increase；?
When electric current increases to the first current threshold (the 80% of such as rated current), circuit processor 103 extremely controls trigger signal feedback
Unit 104, control unit 104 start supercapacitor 102 and power (i.e. thus under operating condition to load 20 in response to trigger signal
Vehicle output power), while adjust control battery 101 output electric current be decreased to the second current threshold (such as rated current
60%), be achieved in energy storage device combination, so that battery 101 is worked in preferable output area always.
According to an embodiment of the present invention, the method also includes: supplied simultaneously to load in battery and supercapacitor
In the process of electricity, circuit processor is monitored battery and the respective depth of discharge of supercapacitor, obtains monitoring result；
Circuit processor is to control unit feedback and the matched control instruction of the monitoring result, so that control unit is in response to the control
System instruction.
Wherein, the monitoring result can be battery or the depth of discharge overdepth threshold value of supercapacitor；It is described
Monitoring result can also be the depth of discharge of battery and the depth of discharge ratio between the two of supercapacitor beyond default
Proportion threshold value.Specifically, the different responses next for two kinds of possible monitoring result control units are discussed respectively.
In one embodiment, when the depth of discharge overdepth threshold that the monitoring result is battery or supercapacitor
When value, circuit processor feeds back the first control instruction to control unit, and first control instruction is used to indicate electrolysis liquid pool will
Electrolyte is sent to metal-air battery；Control unit send electrolyte in response to first control instruction, control electrolysis liquid pool
Into metal-air battery, so that metal-air battery charges to battery or supercapacitor.
System architecture block diagram as shown in connection with fig. 1, in the composite power source power supply system course of work, 103 meeting of circuit processor
102 depth of discharge of real-time detection battery 101 and supercapacitor；When battery 101 or the depth of discharge of supercapacitor 102
When more than depth threshold (such as 30%), circuit processor 103 can issue the first control instruction to control unit 104, control unit
Control electrolysis liquid pool 106 is received control by 104 send electrolyte to metal-air battery 105, while metal-air battery 105 is opened
Begin to charge to energy storage device.Therefore, energy storage device can be remained under shallower depth of discharge and be run, to help to reduce multiple
It closes electric supply system internal resistance and improves vehicle course continuation mileage.
Further, metal-air battery to after the battery or supercapacitor charging complete, also wrap by the method
Include: the electrolyte in the metal-air battery is back to electrolysis liquid pool by circulating line by control unit.In this way, having charged
Cheng Hou, metal-air battery electrolyte inside returns to electrolysis liquid pool, and when supercapacitor does not work also stores electrolyte
In electrolysis liquid pool, the influence of self discharge can be reduced in this way.
In another embodiment, when the monitoring result is the depth of discharge of the battery and putting for supercapacitor
When electric depth ratio between the two exceeds preset ratio threshold value, circuit processor feeds back the second control instruction to control unit,
Second control instruction is used to adjust the output energy distribution of battery and supercapacitor；Control unit is in response to described
Two control instructions adjust the output energy distribution of battery and supercapacitor, so that the depth of discharge of battery and super electricity
The depth of discharge of container ratio between the two meets preset ratio threshold value.
In yet another embodiment, when the electric discharge of depth of discharge and supercapacitor that the monitoring result is battery is deep
When spending ratio between the two beyond preset ratio threshold value, the method also includes: circuit processor is adjusted by current-limiting mode
The output energy distribution for saving battery and supercapacitor, so that the depth of discharge of the depth of discharge of battery and supercapacitor
Ratio between the two meets preset ratio threshold value.
System architecture block diagram as shown in connection with fig. 1, in the composite power source power supply system course of work, 103 meeting of circuit processor
Real-time detection battery 101 and 102 depth of discharge of supercapacitor simultaneously adjust output energy distribution, are put with controlling battery 101
Electric capacitance change process is in stable state.
According to an embodiment of the present invention, the method also includes: when battery during powering to the load or super
When the temperature of grade capacitor exceeds amount temperature, the temperature sensor on battery or supercapacitor is fed back to control unit to be felt
Warm signal, the temperature signal are used to indicate to be circuited sequentially cooling water from water tank using cooling water and flow through the battery, surpass
Grade capacitor and/or metal-air battery；Control unit is opened circulating line valve and is utilized cold in response to the temperature signal
But cooling water is circuited sequentially from water tank and flows through the battery, supercapacitor and/or metal-air battery by water.
In this way, when the operating temperature of energy storage device is more than amount temperature, temperature sensor will in system operation
Signal feeds back to control unit, while control unit opens circulating line valve and controls vehicle-mounted water tank (i.e. cooling water from water tank)
Water circulation is carried out with energy storage device to reduce temperature.
Based on composite power source method of supplying power to described above, the embodiment of the present invention also provides a kind of composite power source power supply unit,
It include: one or more processor；Memory；The program of storage in the memory, when one or more of
When processor executes, described program makes the processor at least execute operating procedure as described below: supplying in battery to load
In the process of electricity, circuit processor is monitored the output electric current of battery；When the output electric current for monitoring battery increases
When to the first current threshold, circuit processor feeds back trigger signal to control unit, and it is super that the trigger signal is used to indicate starting
Grade capacitor powers to the load；Control unit starts supercapacitor and powers to the load in response to the trigger signal, to adjust
The output electric current of battery is decreased to the second current threshold.
Equally, it is based on composite power source method of supplying power to as described above, the embodiment of the present invention provides a kind of computer-readable again
Storage medium, the computer-readable recording medium storage have program, when said program is executed by a processor, so that the place
Reason device at least executes operating procedure as described below: during battery powers to the load, circuit processor is to battery
Output electric current be monitored；When the output electric current for monitoring battery increases to the first current threshold, circuit processor to
Control unit feeds back trigger signal, and the trigger signal is used to indicate starting supercapacitor and powers to the load；Control unit is rung
Trigger signal described in Ying Yu, starting supercapacitor power to the load, and are decreased to the second electricity to adjust the output electric current of battery
Flow threshold value.
Further, it is based on composite power source method of supplying power to shown in Fig. 2, the embodiment of the present invention also provides a kind of and Fig. 1 institute
Show the similar composite power source power supply system of block architecture diagram, the system comprises: battery and supercapacitor, for being supplied to load
Electricity；Circuit processor, for being monitored to the output electric current of battery during battery powers to the load；Work as prison
When measuring the output electric current of battery and increasing to the first current threshold, trigger signal is fed back to control unit, trigger signal is used for
Instruction starting supercapacitor powers to the load；Control unit, in response to the trigger signal, start supercapacitor to
Load supplying is decreased to the second current threshold to adjust the output electric current of battery.
According to an embodiment of the present invention, circuit processor is also used to, in battery and supercapacitor simultaneously to load
During power supply, battery and the respective depth of discharge of supercapacitor are monitored, monitoring result is obtained；It is single to control
Member feedback and the matched control instruction of the monitoring result, so that control unit is in response to the control instruction.
According to an embodiment of the present invention, the monitoring result is super for the battery or the depth of discharge of supercapacitor
Depth threshold out；Correspondingly, circuit processor is also used to, the first control instruction is fed back to control unit, first control refers to
Order is used to indicate electrolysis liquid pool and send electrolyte to metal-air battery；Control unit is also used to, in response to first control
Instruction, control electrolysis liquid pool send electrolyte into metal-air battery, so that metal-air battery is to battery or super electricity
Condenser charge.
According to an embodiment of the present invention, metal-air battery is to after battery or supercapacitor charging complete, control
Unit is also used to, and the electrolyte in metal-air battery is back to electrolysis liquid pool by circulating line.
According to an embodiment of the present invention, the monitoring result is the depth of discharge of battery and the electric discharge of supercapacitor
Depth ratio between the two exceeds preset ratio threshold value；Correspondingly, circuit processor is also used to, to control unit feedback second
Control instruction, second control instruction are used to adjust the output energy distribution of the battery and supercapacitor；Control is single
Member is also used to, and in response to second control instruction, the output energy distribution of battery and supercapacitor is adjusted, so that electric power storage
The depth of discharge in pond and the depth of discharge of supercapacitor ratio between the two meet preset ratio threshold value.
According to an embodiment of the present invention, the monitoring result is the depth of discharge of battery and the electric discharge of supercapacitor
Depth ratio between the two exceeds preset ratio threshold value；The method also includes: circuit processor is adjusted by current-limiting mode
The output energy distribution for saving battery and supercapacitor, so that the depth of discharge of the depth of discharge of battery and supercapacitor
Ratio between the two meets preset ratio threshold value.
According to an embodiment of the present invention, battery or supercapacitor are also used to, when during powering to the load
When temperature exceeds amount temperature, temperature-sensitive letter is fed back to control unit by the temperature sensor on battery or supercapacitor
Number, the temperature signal, which is used to indicate to circuit sequentially cooling water from water tank using cooling water, flows through battery, supercapacitor
And/or metal-air battery；Control unit is also used to, and in response to the temperature signal, is opened circulating line valve and is utilized cold
But cooling water is circuited sequentially from water tank and flows through battery, supercapacitor and/or metal-air battery by water.
It need to be noted that: the description of the above composite power source power supply system embodiment, with aforementioned method shown in Fig. 2
The description of embodiment be it is similar, there is the similar beneficial effect with aforementioned embodiment of the method shown in Fig. 2, therefore do not do superfluous
It states.For undisclosed technical detail in composite power source power supply system embodiment of the present invention, please refer to shown in earlier figures 2 of the present invention
Embodiment of the method description and understand, to save length, therefore repeat no more.
Composite power source method of supplying power to according to the present invention and system, during battery powers to the load, circuit
Processor is monitored the output electric current of the battery；When the output electric current for monitoring the battery increases to the first electricity
When flowing threshold value, the circuit processor feeds back trigger signal to control unit, and the trigger signal is used to indicate the super electricity of starting
Container powers to the load；Described control unit starts supercapacitor and powers to the load in response to the trigger signal, to adjust
The output electric current of the battery is decreased to the second current threshold.In this way, when electric car is in starting repeatedly and frequently accelerates
When contour current work state, the combination of the energy storage device including battery and supercapacitor may be implemented, ensure institute
It is run under preferable operating condition with energy storage device, battery life deep fades and shadow caused by working environment variation can be effectively relieved
The problem of ringing automobile course continuation mileage.Moreover, in the case that battery or the depth of discharge of supercapacitor are beyond threshold value, circuit
Processor sends instructions to control unit, is sent electrolyte into metal-air battery with control electrolysis liquid pool, so that the gold
Belong to air cell to charge to the battery or supercapacitor, to controlling depth of discharge in a relatively flat model
It encloses, family, which can be used, has better control and usage experience to vehicle-mounted electric quantity.In addition, when battery or the temperature of supercapacitor
When beyond amount temperature, controlled by control unit open circulating line valve and using cooling water from water tank by cooling water according to
Secondary circulation flows through battery, supercapacitor and/or metal-air battery, to realize power source temperature control, improves system and utilizes
It also can save the cost while efficiency.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Mutual coupling or direct-coupling or communication connection is divided to can be through some interfaces, the INDIRECT COUPLING of equipment or unit
Or communication connection, it can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit；Both it can be located in one place, and may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated in one processing unit, it can also
To be each unit individually as a unit, can also be integrated in one unit with two or more units；It is above-mentioned
Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: movable storage device, read-only deposits
The various media that can store program code such as reservoir (Read Only Memory, ROM), magnetic or disk.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the present invention is implemented
Substantially the part that contributes to existing technology can be embodied in the form of software products the technical solution of example in other words,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
It is personal computer, server or network equipment etc.) execute all or part of each embodiment the method for the present invention.
And storage medium above-mentioned includes: various Jie that can store program code such as movable storage device, ROM, magnetic or disk
Matter.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of composite power source method of supplying power to, which is characterized in that the described method includes:
During battery powers to the load, circuit processor is monitored the output electric current of the battery；
When the output electric current for monitoring the battery increases to the first current threshold, the circuit processor is to control unit
Trigger signal is fed back, the trigger signal is used to indicate starting supercapacitor and powers to the load；
Described control unit starts supercapacitor and powers to the load, to adjust the battery in response to the trigger signal
Output electric current be decreased to the second current threshold.
2. composite power source method of supplying power to according to claim 1, which is characterized in that the method also includes:
During the battery and supercapacitor power to the load simultaneously, the circuit processor is to the battery
It is monitored with the respective depth of discharge of supercapacitor, obtains monitoring result；
The circuit processor is to control unit feedback and the matched control instruction of the monitoring result, so that described control unit
In response to the control instruction.
3. composite power source method of supplying power to according to claim 2, which is characterized in that the monitoring result is the battery
Or the depth of discharge overdepth threshold value of supercapacitor；
Correspondingly, the circuit processor is fed back to control unit and the matched control instruction of the monitoring result, so that described
Control unit responds the control instruction, comprising:
The circuit processor feeds back the first control instruction to control unit, and first control instruction is used to indicate electrolysis liquid pool
Electrolyte is sent to metal-air battery；
Described control unit send electrolyte to metal-air battery in response to first control instruction, control electrolysis liquid pool
In, so that the metal-air battery charges to the battery or supercapacitor.
4. composite power source method of supplying power to according to claim 3, which is characterized in that the metal-air battery is to the storage
After battery or supercapacitor charging complete, the method also includes:
Electrolyte in the metal-air battery is back to electrolysis liquid pool by circulating line by described control unit.
5. composite power source method of supplying power to according to claim 2, which is characterized in that the monitoring result is the battery
Depth of discharge and the depth of discharge ratio between the two of supercapacitor exceed preset ratio threshold value；
Correspondingly, the circuit processor is fed back to control unit and the matched control instruction of the monitoring result, so that described
Control unit responds the control instruction, comprising:
The circuit processor feeds back the second control instruction to control unit, and second control instruction is for adjusting the electric power storage
The distribution of the output energy of pond and supercapacitor；
Described control unit adjusts the output energy point of the battery and supercapacitor in response to second control instruction
Match, so that the depth of discharge of the battery and the depth of discharge of supercapacitor ratio between the two meet preset ratio threshold
Value.
6. composite power source method of supplying power to according to claim 2, which is characterized in that the monitoring result is the battery
Depth of discharge and the depth of discharge ratio between the two of supercapacitor exceed preset ratio threshold value；The method is also wrapped
It includes:
The circuit processor adjusts the output energy distribution of the battery and supercapacitor by current-limiting mode, so that
The depth of discharge of the battery and the depth of discharge of supercapacitor ratio between the two meet preset ratio threshold value.
7. composite power source method of supplying power to according to any one of claims 1 to 6, which is characterized in that the method also includes:
When the temperature of the battery described during powering to the load or supercapacitor exceeds amount temperature, the electric power storage
Temperature sensor on pond or supercapacitor feeds back temperature signal to described control unit, and the temperature signal is used to indicate benefit
Cooling water is circuited sequentially from water tank with cooling water and flows through the battery, supercapacitor and/or metal-air battery；
Described control unit in response to the temperature signal, open circulating line valve and using cooling water from water tank by cooling water
It circuits sequentially and flows through the battery, supercapacitor and/or metal-air battery.
8. a kind of composite power source power supply system, which is characterized in that the system comprises:
Battery and supercapacitor, for powering to the load；
Circuit processor, for being carried out to the output electric current of the battery during battery powers to the load
Monitoring；When the output electric current for monitoring the battery increases to the first current threshold, trigger signal is fed back to control unit,
The trigger signal is used to indicate starting supercapacitor and powers to the load；
Described control unit, for starting supercapacitor and powering to the load, to adjust the storage in response to the trigger signal
The output electric current of battery is decreased to the second current threshold.
9. composite power source power supply system according to claim 8, which is characterized in that
The circuit processor is also used to, during the battery and supercapacitor power to the load simultaneously, to institute
It states battery and the respective depth of discharge of supercapacitor is monitored, obtain monitoring result；To control unit feedback with it is described
The matched control instruction of monitoring result, so that described control unit is in response to the control instruction.
10. composite power source power supply system according to claim 8 or claim 9, which is characterized in that
The battery or supercapacitor are also used to, and when temperature exceeds amount temperature during powering to the load, are led to
The temperature sensor crossed in the battery or supercapacitor feeds back temperature signal, the temperature signal to described control unit
It is used to indicate to circuit sequentially cooling water from water tank using cooling water and flows through the battery, supercapacitor and/or metal sky
Pneumoelectric pond；
Described control unit is also used to, and in response to the temperature signal, is opened circulating line valve and is utilized cooling water from water tank
Cooling water is circuited sequentially and flows through the battery, supercapacitor and/or metal-air battery.
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| CN201811605488.5A CN109572450A (en) | 2018-12-26 | 2018-12-26 | A kind of composite power source method of supplying power to and system |
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| CN201811605488.5A CN109572450A (en) | 2018-12-26 | 2018-12-26 | A kind of composite power source method of supplying power to and system |
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