CN110086224A - A kind of more intelligent battery ad hoc network cooperative control systems and method - Google Patents
A kind of more intelligent battery ad hoc network cooperative control systems and method Download PDFInfo
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- CN110086224A CN110086224A CN201910385643.5A CN201910385643A CN110086224A CN 110086224 A CN110086224 A CN 110086224A CN 201910385643 A CN201910385643 A CN 201910385643A CN 110086224 A CN110086224 A CN 110086224A
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- 238000004891 communication Methods 0.000 claims abstract description 10
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- 238000001514 detection method Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 8
- 238000011897 real-time detection Methods 0.000 claims description 4
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- 238000011217 control strategy Methods 0.000 description 1
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Abstract
The present invention relates to a kind of more intelligent battery ad hoc network cooperative control systems and methods, belong to intelligent battery technical field, solve the problems, such as that the battery of single standard in the prior art is unable to satisfy user's differentiated demand.The system comprises: bus interface, multiple intelligent batteries, always discharge interface;Wherein, the bus interface realizes the communication between multiple intelligent batteries for connecting respectively with each intelligent battery;Total electric discharge interface, input terminal are connect with each intelligent battery respectively, and output end is power supply for electrical equipment for connecting with electrical equipment;The multiple intelligent battery, ad hoc network generate controlling party and prosecution;The controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment.The ad hoc network of single standard battery can be utilized, power supply needed for collaboration output electrical equipment meets the differentiated demand of user, effectively reduces the operation cost of shared battery.
Description
Technical field
The present invention relates to intelligent battery technical field more particularly to a kind of more intelligent battery ad hoc network cooperative control systems and
Method.
Background technique
In some electrical equipments, especially electric bicycle, the battery core of more parallel/series is largely used.Different
Demand of the user for having differences such as the capacity of battery, volume, weight.Some users it is expected high capacity, long to continue a journey, some
User it is expected that battery is light, Yi Genghuan.For the differentiated demand of different user, previous solution is all for different user
The battery of different capabilities is provided.It is various which results in battery sizes, capacity, size disunity.
For providing the service mode of shared power battery, if the different demands according to user provide the electricity of different capabilities
Pond, it will the complexity for increasing shared battery flowing increases the operation cost of shared battery, is also easy in artificial treatment
It goes wrong, causes inconvenient for use and security risk to user;If providing the battery of unified standard, it is unable to satisfy different user
Differentiated demand.
Summary of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of more intelligent battery ad hoc network cooperative control systems and method,
To solve the problems, such as that the battery of single standard is unable to satisfy user's differentiated demand.
The purpose of the present invention is mainly achieved through the following technical solutions:
A kind of more intelligent battery ad hoc network cooperative control systems, which is characterized in that the system comprises: bus interface, more
A intelligent battery, always discharge interface;Wherein,
The bus interface realizes the communication between multiple intelligent batteries for connecting respectively with each intelligent battery;
Total electric discharge interface, input terminal are connect with each intelligent battery respectively, and output end is used to connect with electrical equipment
It connects, is power supply for electrical equipment;
The multiple intelligent battery, ad hoc network generate controlling party and prosecution;The controlling party controls prosecution, cooperates with defeated
Power supply needed for the electrical equipment out.
On the basis of above scheme, the present invention has also done following improvement:
Further, the intelligent battery includes battery core, charge/discharge unit, charge and discharge electrical interface, control unit, communication interface;
The battery core, charge/discharge unit, charge and discharge electrical interface are sequentially connected;The normality of the charge/discharge unit is to allow to connect by charge and discharge
Mouth discharge condition;
The controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment, comprising:
The control unit of controlling party intelligent battery acquires the status information of each intelligent battery, and according to the state information
It determines the prosecution intelligent battery for participating in electric discharge, forbids putting to the sending of the control unit for the prosecution intelligent battery for being not involved in electric discharge
The control instruction of electricity;
It is not involved in the control instruction for forbidding electric discharge described in the control unit reception of the prosecution intelligent battery of electric discharge;And it responds
In the control instruction for forbidding electric discharge, the charge/discharge unit of the intelligent battery is in that no thoroughfare charge and discharge interface discharge shape
State, and control result is fed back into controlling party intelligent battery.
Further, the status information of the intelligent battery includes: the voltage, battery current, temperature information of intelligent battery;
The controlling party intelligent battery determines the prosecution intelligence for participating in electric discharge by the status information of the intelligent battery
Battery, comprising:
The controlling party intelligent battery acquires the voltage, battery current, temperature information of each intelligent battery, filters out temporarily
Be not suitable for the intelligent battery of electric discharge, and the intelligent battery charge/discharge unit for being temporarily not suitable for electric discharge is switched to that no thoroughfare
Charge and discharge interface discharge state;
Remaining intelligent battery is all participated in into electric discharge;
The controlling party intelligent battery repeats the screening process every the set time, when the intelligence for being temporarily not suitable for electric discharge
When battery has update, electric discharge is all participated in using updated remaining intelligent battery.
Further, the intelligent battery for being temporarily not suitable for electric discharge includes:
Temperature is higher than ThIntelligent battery;ThFor the intelligent battery discharge temp upper limit.
Further, the remaining intelligent battery discharge process includes:
When total electric discharge interface connection electrical equipment, pass through the highest one or more intelligent batteries of battery core total voltage
For power supply for electrical equipment.
Further, the intelligent battery further includes current sensor, and the current sensor is for real-time detection battery electricity
Stream;
The charge/discharge unit normality of the intelligent battery further include: can not be to battery core charged state;
Described control unit also executes that following Row control charge/discharge units switch to can be to battery core charged state or can not
To battery core charged state:
When detecting battery current I >=Ion, described control unit controls the charge/discharge unit and switches to and can fill to battery core
Electricity condition removes timer T, and returns to detection battery current I;
When detecting battery current Ichg< I < IonWhen, further judge whether I is less than or equal to Ioff:
As I > IoffWhen, timer T is removed, detection battery current I is returned;
As I≤IoffWhen, read timer T:
As T >=Toff, the described control unit control charge/discharge unit switches to can not be to battery core charged state, and returns
Return detection battery current I;
As T < Toff, return to detection battery current I;
When detecting battery current I≤Ichg, described control unit controls the charge switch and disconnects, and returns to detection electricity
Pond electric current I;
Wherein, IonIndicate the charge switch turn-on current under unauthorized state;IoffIndicate that the charging under unauthorized state is opened
Close turn-off current;ToffIndicate the charge switch off delay under unauthorized state.
Further, the controlling party intelligent battery acquires the voltage, battery current, temperature information of each intelligent battery, packet
It includes:
The control unit of controlling party intelligent battery to the control unit of prosecution intelligent battery issue acquisition battery core total voltage,
The control instruction of battery current and intelligent battery temperature;
The control unit of prosecution intelligent battery receives the acquisition battery core total voltage, battery current and intelligent battery temperature
Control instruction, and in response to control instruction acquisition battery core total voltage, battery current and intelligent battery temperature, and will acquisition
As a result controlling party intelligent battery is fed back to.
Further, the intelligent battery further includes voltage sensor, temperature sensor;
In response to the control instruction, battery core total voltage is acquired by the voltage sensor, passes through the temperature sensing
Device acquires intelligent battery temperature.
Further, controlling party and prosecution are generated in the following manner:
Each intelligent battery in ad hoc network, which passes through bus interface, broadcasts its identity ID into ad hoc network;
The control unit of each intelligent battery receives the identity ID of other intelligent batteries ad hoc network Nei, and and itself
Identity ID be compared, using the smallest intelligent battery of identity ID value as controlling party, and generate controlling party ID;
The controlling party intelligent battery is that prosecution intelligent battery distributes interim short ID, for identification prosecution in ad hoc network
Identity.
The identity ID of the intelligent battery is the unique identity set when battery dispatches from the factory.
The invention also discloses a kind of more intelligent battery ad hoc network cooperative control methods, with above-mentioned more intelligent battery ad hoc network
Cooperative control system is correspondingly arranged, comprising the following steps:
Multiple intelligent batteries are connect with bus interface, total electric discharge interface respectively, the multiple intelligent battery ad hoc network produces
Raw controlling party and prosecution;
The controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment.
The present invention has the beneficial effect that: more intelligent battery ad hoc network cooperative control systems provided by the invention and method, energy
The ad hoc network of single standard battery is enough utilized, power supply needed for collaboration output electrical equipment meets the differentiated demand of user, has
Effect reduces the operation cost of shared battery;Meanwhile being also equipped with following advantages:
1. promoting electric vehicle operating range at double;
2. reducing the internal resistance of battery, in the case where cell voltage reduces, larger current is still provided, improves body of riding
It tests;
3. single battery is at low cost, light-weight, carries, replaces conveniently;
4. low power charger can be used;
5. flexible combination is adapted to the user demand of differentiation.
6. intelligent battery can also realize the limited charging in unauthorized situation, the use of technical solution of the present invention is extended
Range.
It in the present invention, can also be combined with each other between above-mentioned each technical solution, to realize more preferred assembled schemes.This
Other feature and advantage of invention will illustrate in the following description, also, certain advantages can become from specification it is aobvious and
It is clear to, or understand through the implementation of the invention.The objectives and other advantages of the invention can by specification, claims with
And it is achieved and obtained in specifically noted content in attached drawing.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is more intelligent battery ad hoc network cooperative control system schematic diagrames in the embodiment of the present invention;
Fig. 2 is the method flow diagram that controlling party and prosecution are generated in ad hoc network of the embodiment of the present invention;
Fig. 3 is the single intelligent battery structural schematic diagram in the embodiment of the present invention;
Fig. 4 is the control strategy flow chart of the single intelligent battery control unit in the embodiment of the present invention.
Specific embodiment
Specifically describing the preferred embodiment of the present invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention, it is not intended to limit the scope of the present invention.
In a specific embodiment of the invention, a kind of multiple intelligent battery ad hoc network cooperative control systems are disclosed, are shown
Be intended to as shown in Figure 1, the system comprises: bus interface, multiple intelligent batteries, always discharge interface;Wherein,
The bus interface realizes the communication between multiple intelligent batteries for connecting respectively with each intelligent battery;
Total electric discharge interface, input terminal are connect with each intelligent battery respectively, and output end is used to connect with electrical equipment
It connects, is power supply for electrical equipment;
Multiple intelligent batteries, ad hoc network generate controlling party and prosecution;The controlling party controls prosecution, cooperates with defeated
Power supply needed for the electrical equipment out.
When specifically used, electrical equipment is connected with total electric discharge interface, multiple intelligent battery ad hoc network are produced by competition
Raw controlling party, other batteries are then used as prosecution to be controlled by the controlling party;Controlling party controls controlled intelligence according to battery status
Whether battery, which participates in, is discharged, so that the electrical equipment for being embodied as different capacity provides different demand power supplys.
Compared with prior art, more intelligent battery ad hoc network cooperative control systems provided by the invention can utilize single
The ad hoc network of normal cell, power supply needed for collaboration exports electrical equipment, meets the differentiated demand of user, effectively reduces altogether
Enjoy the operation cost of battery.
Specifically, the bus interface includes multiple bus interface child nodes, each bus interface child node difference
It is correspondingly connected with the communication interface of intelligent battery, realizes the communication between different intelligent battery;Total electric discharge interface, including it is more
A input port and an output port, each input port charge and discharge with an intelligent battery respectively of total electric discharge interface
Electric electrical interface is correspondingly connected with.
Preferably, bus selection CAN bus, all intelligent batteries are articulated in the CAN bus.
After intelligent battery ad hoc network, controlling party and prosecution, the generation side of controlling party and prosecution will be generated by competition
Formula has very much, the present invention show in particular it is a kind of generate controlling party and prosecution method, flow chart as shown in Fig. 2, step such as
Under:
Step S1.1: each intelligent battery in ad hoc network, which passes through bus interface, broadcasts its identity ID to ad hoc network
In;
Step S1.2: the control unit of each intelligent battery receives the identity of other intelligent batteries ad hoc network Nei
ID, and be compared with the identity ID of itself, using the smallest intelligent battery of identity ID value as controlling party, and generate controlling party
ID;
Step S1.3: the controlling party intelligent battery is that prosecution intelligent battery distributes interim short ID, for identification from group
The identity of prosecution in net.
When there is new intelligent battery that ad hoc network is added and has existed controlling party, the intelligent battery being newly added acts certainly
For prosecution;
When controlling party intelligent battery exits ad hoc network, step S1.1-S1.3 is repeated;
After controlling party intelligent battery issues control instruction, if not receiving the response of any prosecution within a certain period of time,
Then ad-hoc network disappears, and the controlling party restores monomer working condition, automatic to remove controlling party ID;
It is automatic to remove interim short ID after being exited ad hoc network by prosecutor intelligent battery.
Wherein, the identity ID of intelligent battery is unique identities set when battery dispatches from the factory, 32 2 systems, temporarily
Short ID is the ID temporarily distributed after ad hoc network by controlling party, and to identify the identity of prosecution in ad hoc network, byte number is less than
The identity ID of intelligent battery, being capable of effectively save communications cost.
Preferably, the intelligent battery includes battery core, charge/discharge unit, charge and discharge electrical interface, control unit, communication unit;
The battery core, charge/discharge unit, charge and discharge electrical interface are sequentially connected;The normality of the charge/discharge unit is to allow to connect by charge and discharge
The state of mouth electric discharge;
Preferably, the controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment, comprising:
The control unit of controlling party intelligent battery acquires the status information of each intelligent battery, and according to the state information
It determines the prosecution intelligent battery for participating in electric discharge, forbids putting to the sending of the control unit for the prosecution intelligent battery for being not involved in electric discharge
The control instruction of electricity;
It is not involved in the control instruction for forbidding electric discharge described in the control unit reception of the prosecution intelligent battery of electric discharge;And it responds
In the control instruction for forbidding electric discharge, the charge/discharge unit of the intelligent battery is in that no thoroughfare charge and discharge interface discharge shape
State, and control result is fed back into controlling party intelligent battery.For guarantee intelligent battery in monomer working condition can normally to
Electrical equipment is discharged, and the normality of charge and discharge electrical interface is that can pass through charge and discharge interface discharge state in intelligent battery;Therefore, controlling party
Intelligent battery need to forbid certain intelligent batteries to discharge by control instruction, export the electricity consumption using the collaboration of remaining intelligent battery
Power supply needed for equipment.
In order to which the purpose of Collaborative Control is better achieved, the present invention gives a kind of controlling party of specific intelligent battery
Formula:
Preferably, the status information of the intelligent battery includes: the voltage, battery current, temperature information of intelligent battery;
The controlling party intelligent battery determines the prosecution intelligent battery for participating in electric discharge by the status information, comprising:
Step S2.1: the controlling party intelligent battery acquires the voltage of each intelligent battery, temperature information, filters out temporarily
Be not suitable for the intelligent battery of electric discharge, and the intelligent battery charge/discharge unit for being temporarily not suitable for electric discharge is switched to that no thoroughfare
Charge and discharge interface discharge state;
Wherein, the intelligent battery for being temporarily not suitable for electric discharge includes:
Temperature is higher than ThIntelligent battery;ThIt is defined as the intelligent battery discharge temp upper limit;
When battery temperature is higher, be temporarily not suitable for electric discharge, therefore, temperature can be higher than ThBattery, it is temporary for screening
Be not suitable for the battery of electric discharge;
For example, temperature to be higher than to 50 degree of battery, screen to be temporarily not suitable for the battery of electric discharge.
Whether all batteries participate in the state of electric discharge, after repeating step S2.1 every time, may all change;
Step S2.2: remaining intelligent battery is all participated in into electric discharge, specific discharge mode is as follows: when total electric discharge interface
It is electricity consumption by the highest one or more intelligent batteries of battery core total voltage in the remaining intelligent battery when connecting electrical equipment
Equipment power supply;The controlling party intelligent battery operates ad hoc network battery as follows:
The controlling party intelligent battery measurement all participates in the voltage of N number of battery of electric discharge, V1, V2..., VN, calculate most
High-voltage value Vmax, calculate VlowValue, Vlow=Vmax-Vdif.Wherein, VdifInternal resistance and real-time voltage with intelligent battery have
It closes, the fixed value that can be set according to battery behavior, the calculated value being also possible in battery discharge dynamic process.Connect voltage value
Higher than VlowBattery discharge switch, close the discharge switch of other batteries;It is greater than V if there is multiple voltage valueslowElectricity
The discharge switch of all corresponding batteries is connected in pond;Then following operation is executed:
The controlling party intelligent battery measurement all participates in the electric current of the battery of electric discharge, and calculates all participation electric discharges
Electric current summation ITOTAL;
1) in the battery for participating in electric discharge, if the current value I of battery XX>ION, the charge switch of battery X is connected, electricity is removed
The timer T of pond XX;(X represents any one battery in the battery for participating in electric discharge);
2) battery for connecting charge switch, compares IXAnd IOFF, TXAnd Toff;
I. if IX>IOFF, remove the timer T of battery XX;
Ii. if IX≤ IOFF, TX<Toff, return step S2.2;
Iii. if IX≤ IOFF, TX>=Toff, cut off the charge switch of battery X, return step S2.2;
3) in ITOTALIn the case where=0 (battery network does not load);
I. if the electric current I of battery XX< 0, illustrate that battery X is being electrically charged, at this moment battery should there are mutual charging phenomenon
The discharge switch of X battery is cut off, battery is prevented mutually to charge, if similar battery X, there are multiple, all cutting chargings are opened
It closes, return step S2.2;
Ii. if the current value of all batteries is all equal to 0, illustrate that battery network does not have charge and discharge movement, return step
S2.2;
4) in ITOTAL(illustrate that battery network discharges to electrical equipment) in the case where > 0:
If a) the current value of battery X, IX< 0 (indicating that battery X charges by other batteries), the charging of cutting battery X is opened
It closes, stops mutually charging between battery;
B) current value of any battery, IX>ION, connect X battery charge switch;
Remove the timer T of battery Xx;The battery for connecting charge switch, need to continue to make the following judgment in follow-up process
Afterwards, then the S2.2 that gos to step:
I. if IX>IOFF, remove the timer T of battery Xx;
Ii. if IX≤ IOFF, Tx< Toff, return step S2.2;
Iii. if IX≤ IOFF, Tx≥Toff, cut off the charge switch of battery X, return step S2.2;
Iv. if IX>=IMAX,(IMAXIt is defined as the maximum allowable discharge current of battery), then the electric discharge for cutting off battery X is opened
It closes, protects battery:
5) in ITOTAL(illustrate that external equipment exists to battery charging phenomenon) in the case where < 0;
If a) the electric current of battery X, IX> 0, illustrate that battery X is still discharging, discharge current is not exported to electrical equipment
On, but charge to other batteries, disconnect the discharge switch of battery X;
If b) the electric current of battery X, IX<Ichg, illustrate that this battery charge is greater than maximum allowable charging current, cutting
The charge switch of battery X;
If c) the electric current of battery X, Ichg<IX< 0, illustrate that this battery is charging, checks the timer T of battery Xx;
i.Tx<Toff, return step S2.2;
ii.Tx>=Toff, cut off the charge switch of battery X, return step S2.2;
Step S3: the controlling party intelligent battery repeats step S2.1 every the set time, when temporarily unsuitable electric discharge
When intelligent battery has update, step S2.2 is repeated.
By carrying out control of discharge to the intelligent battery for participating in electric discharge using controlling party, can discharge process to battery into
Row effectively management, and prevent mutually to fill movement between battery in time, it is adapted to the demand of the differentiation of different user, expands intelligence
The use scope of battery.
Distinguishingly, when intelligent battery charge/discharge unit all in the ad hoc network charge and discharge interface discharge that is in that no thoroughfare
When state, controlling party intelligent battery, which switches to all intelligent battery charge/discharge units, to be allowed through charge and discharge interface discharge shape
State.
During above-mentioned steps S2.2 is power supply for electrical equipment by one or more intelligent batteries, if between more batteries
Voltage is inconsistent or electrical equipment occurs and is reversed battery powered situation, can have intelligent battery and fill in an unauthorized situation
The problem of electricity.For the illegal reverse charging for preventing single intelligent battery, following setting has also been carried out to single intelligent battery:
The intelligent battery further includes current sensor, and the current sensor is used for real-time detection battery current;It is described
Intelligent battery structural schematic diagram is as shown in Figure 4.The charge/discharge unit normality of the intelligent battery further include: can not charge to battery core
State;Described control unit also executes that following Row control charge/discharge units switch to can be to battery core charged state or can not be to electricity
Core charged state:
When detecting battery current I >=Ion, described control unit controls the charge/discharge unit and switches to and can fill to battery core
Electricity condition removes timer T, and returns to detection battery current I;
When detecting battery current Ichg< I < IonWhen, further judge whether I is less than or equal to Ioff:
As I > IoffWhen, timer T is removed, detection battery current I is returned;
As I≤IoffWhen, read timer T:
As T >=Toff, the described control unit control charge/discharge unit switches to can not be to battery core charged state, and returns
Return detection battery current I;
As T < Toff, return to detection battery current I;
When detecting battery current I≤Ichg, described control unit controls the charge switch and disconnects, and returns to detection electricity
Pond electric current I;
Wherein, IonIndicate the charge switch turn-on current under unauthorized state;IoffIndicate that the charging under unauthorized state is opened
Close turn-off current;ToffIndicate the charge switch off delay under unauthorized state.
By above-mentioned setting, it can be realized control unit for the control of unauthorized charging, the unauthorized charging time limited
System is in ToffIt is interior, avoid battery loss caused by mutually charging between battery;Meanwhile single standard is provided in practical applications
Ad hoc network Collaborative Control can be realized in battery, effectively reduces the operation cost of shared battery.
When using above-mentioned intelligent battery, when controlling party failure, multiple intelligent batteries still may be used in uncontrolled situation
To realize discharge process: it is described as follows:
Step S01: when the total electric discharge interface is vacant, finding any battery, there are charging currents, cut off this electricity at once
The charge switch in pond, the charge/discharge unit of multiple intelligent batteries is in can not be to battery core charged state;The multiple intelligence electricity
It will not mutual charge and discharge between pond;
Step S02: when total electric discharge interface connection electrical equipment, pass through the highest one or more of battery core total voltage
Intelligent battery is power supply for electrical equipment;As the battery current I >=I for detecting the intelligent batteryon, described control unit control institute
Stating that charge/discharge unit switches to can be to battery core charged state;
Step S03: when two or more intelligent batteries be in can to battery core charged state and electrical equipment disconnect or
When load reduction, in described two or more intelligent batteries the highest intelligent battery of battery core voltage to other be in can be to battery core
The intelligent battery of charged state carries out limited charging.
The control logic that charging process between all intelligent batteries can refer to single intelligent battery control unit carries out, above-mentioned
Process shows the shellproof process that more intelligent batteries are still able to achieve when controlling party fails, and rapidly prevents between battery in time
Mutually fill movement;By the above-mentioned analysis for single intelligent battery it is found that the charging time is no more than Toff, charging current is not higher than
IoffAbsolute value, therefore be only able to achieve limited charging.
It is to be noted that the charge/discharge unit in the present invention, both may be implemented to charge, also may be implemented to discharge;For
Charging: under the control of the control unit, can be realized can be to battery core charged state or can not be to cutting between battery core charged state
It changes;For electric discharge: under the control of the control unit, can be realized allows the state by charge and discharge interface discharge or no thoroughfare
Switching between the state of charge and discharge interface discharge.The two not contradiction.
Preferably, the charge/discharge unit includes discharge switch, charge switch, diode D1, diode D2, the electric discharge
Switch and charge switch are connected in the circuit, and the diode D1 forward direction is connected in parallel on the both ends of charge switch;Two pole
Pipe D2 is connected in reverse parallel in the both ends of discharge switch;Described control unit is by controlling the on-off of the discharge switch for charge and discharge list
Member, which switches to, to be allowed through charge and discharge interface discharge state or no thoroughfare charge and discharge interface discharge state.
When discharge switch is connected, charge/discharge unit, which is in, to be allowed through charge and discharge interface discharge state;Work as discharge switch
When disconnection, charge/discharge unit is in no thoroughfare charge and discharge interface discharge state.
When charge switch is connected, charge/discharge unit is in can be to battery core charged state;When charge switch disconnects, charge and discharge
Electric unit is in can not be to battery core charged state.
Wherein, the discharge switch is Live switch, and the charge switch is normally closed switch.
Described control unit controls that the on-off of the charge switch switches to charge/discharge unit in the following manner can be to
Battery core charged state can not be to battery core charged state, and flow diagram is as shown in Figure 4:
Described control unit real-time detection battery current I, and timing is continued by built-in timer T:
When detecting battery current I >=Ion, the described control unit control connection charge switch, removing timer T, and
Return to detection battery current I;
When detecting battery current I < IonWhen, further judge whether I is less than or equal to Ioff:
As I > IoffWhen, timer T is removed, detection battery current I is returned;
As I≤IoffWhen, read timer T:
As T >=Toff, described control unit controls the charge switch and disconnects, and returns to detection battery current I;
As T < Toff, return to detection battery current I;
When detecting battery current I≤Ichg, described control unit controls the charge switch and disconnects, and returns to detection electricity
Pond electric current I.
Preferably, the controlling party intelligent battery acquire in the following manner the voltage of each intelligent battery, battery current,
Temperature information:
The control unit of controlling party intelligent battery to the control unit of prosecution intelligent battery issue acquisition battery core total voltage,
The control instruction of battery current and intelligent battery temperature;
The control unit of prosecution intelligent battery receives the acquisition battery core total voltage, battery current and intelligent battery temperature
Control instruction, and in response to control instruction acquisition battery core total voltage, battery current and intelligent battery temperature, and will acquisition
As a result controlling party intelligent battery is fed back to.
Preferably, the intelligent battery further includes voltage sensor, temperature sensor;In response to the control instruction, lead to
The voltage sensor acquisition battery core total voltage is crossed, intelligent battery temperature is acquired by the temperature sensor.
Using more intelligent battery ad hoc network Collaborative Controls in the present invention, following benefit can be brought:
1. promoting electric vehicle operating range at double;
2. reducing the internal resistance of battery, in the case where cell voltage reduces, larger current is still provided, improves body of riding
It tests;
3. single battery is at low cost, light-weight, carries, replaces conveniently;
4. low power charger can be used;
5. flexible combination is adapted to the user demand of differentiation.
In another embodiment of the invention, a kind of more intelligent battery ad hoc network cooperative control methods are additionally provided, and it is upper
More intelligent battery ad hoc network Collaborative Controls are stated to be correspondingly arranged, comprising the following steps:
Step S1: multiple intelligent batteries are connect with bus interface, total electric discharge interface respectively, the multiple intelligent battery is certainly
Networking generates controlling party and prosecution;
Step S2: the controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment.
The above system embodiment and embodiment of the method are based on identical principle, can mutually use for reference in place of correlation, and can reach
To identical technical effect.
It will be understood by those skilled in the art that realizing all or part of the process of above-described embodiment method, meter can be passed through
Calculation machine program is completed to instruct relevant hardware, and the program can be stored in computer readable storage medium.Wherein, institute
Stating computer readable storage medium is disk, CD, read-only memory or random access memory etc..
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of more intelligent battery ad hoc network cooperative control systems, which is characterized in that the system comprises: bus interface, multiple
Intelligent battery, always discharge interface;Wherein,
The bus interface realizes the communication between multiple intelligent batteries for connecting respectively with each intelligent battery;
Total electric discharge interface, input terminal are connect with each intelligent battery respectively, and output end is for connecting with electrical equipment
Power supply for electrical equipment;
The multiple intelligent battery, ad hoc network generate controlling party and prosecution;The controlling party controls prosecution, collaboration output institute
Power supply needed for stating electrical equipment.
2. control system according to claim 1, which is characterized in that the intelligent battery include battery core, charge/discharge unit,
Charge and discharge electrical interface, control unit, communication interface;The battery core, charge/discharge unit, charge and discharge electrical interface are sequentially connected;The charge and discharge
The normality of electric unit is allowed through charge and discharge interface discharge state;
The controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment, comprising:
The control unit of controlling party intelligent battery acquires the status information of each intelligent battery, and determines according to the state information
The prosecution intelligent battery for participating in electric discharge issues to the control unit for the prosecution intelligent battery for being not involved in electric discharge and forbids electric discharge
Control instruction;
It is not involved in the control instruction for forbidding electric discharge described in the control unit reception of the prosecution intelligent battery of electric discharge;And in response to institute
State the control instruction for forbidding electric discharge, charge and discharge interface discharge state that the charge/discharge unit of the intelligent battery is in that no thoroughfare, and
Control result is fed back into controlling party intelligent battery.
3. control system according to claim 2, which is characterized in that the status information of the intelligent battery includes: intelligence
Voltage, battery current, the temperature information of battery;
The controlling party intelligent battery determines the prosecution intelligent battery for participating in electric discharge by the status information of the intelligent battery,
Include:
The controlling party intelligent battery acquires the voltage, battery current, temperature information of each intelligent battery, filters out temporary discomfort
Close the intelligent battery of electric discharge, and by the intelligent battery charge/discharge unit for being temporarily the not suitable for electric discharge charge and discharge that switches to that no thoroughfare
Electrical interface discharge condition;
Remaining intelligent battery all participates in electric discharge;
The controlling party intelligent battery repeats the screening process every the set time, when the intelligent battery for being temporarily not suitable for electric discharge
When having update, electric discharge is all participated in using updated remaining intelligent battery.
4. control system according to claim 3, which is characterized in that the smart battery pack for being temporarily not suitable for electric discharge
It includes:
Temperature is higher than ThIntelligent battery;Th, it is the intelligent battery discharge temp upper limit.
5. control system according to claim 3, which is characterized in that it is described residue intelligent battery discharge process include:
It is to use by the highest one or more intelligent batteries of battery core total voltage when total electric discharge interface connection electrical equipment
Electric equipment power supply.
6. the control system according to claim 5, which is characterized in that the intelligent battery further includes current sense
Device, the current sensor are used for real-time detection battery current;
The charge/discharge unit normality of the intelligent battery further include: can not be to battery core charged state;
Described control unit also executes that following Row control charge/discharge units switch to can be to battery core charged state or can not be to electricity
Core charged state:
When detecting battery current I >=Ion, the described control unit control charge/discharge unit switches to can be to battery core charging shape
State removes timer T, and returns to detection battery current I;
When detecting battery current Ichg< I < IonWhen, further judge whether I is less than or equal to Ioff:
As I > IoffWhen, timer T is removed, detection battery current I is returned;
As I≤IoffWhen, read timer T:
As T >=Toff, the described control unit control charge/discharge unit switches to can not be to battery core charged state, and returns to inspection
Survey battery current I;
As T < Toff, return to detection battery current I;
When detecting battery current I≤Ichg, described control unit controls the charge switch and disconnects, and returns to detection battery electricity
Flow I;
Wherein, IonIndicate the charge switch turn-on current under unauthorized state;IoffIndicate that the charge switch under unauthorized state is disconnected
Open electric current;ToffIndicate the charge switch off delay under unauthorized state.
7. control system according to claim 6, which is characterized in that each intelligence electricity of controlling party intelligent battery acquisition
Voltage, battery current, the temperature information in pond, comprising:
The control unit of controlling party intelligent battery issues acquisition battery core total voltage, battery to the control unit of prosecution intelligent battery
The control instruction of electric current and intelligent battery temperature;
The control unit of prosecution intelligent battery receives the control of acquisition the battery core total voltage, battery current and intelligent battery temperature
System instruction, and in response to control instruction acquisition battery core total voltage, battery current and intelligent battery temperature, and by collection result
Feed back to controlling party intelligent battery.
8. control system according to claim 7, which is characterized in that the intelligent battery further includes voltage sensor, temperature
Spend sensor;
In response to the control instruction, battery core total voltage is acquired by the voltage sensor, is adopted by the temperature sensor
Collect intelligent battery temperature.
9. control system according to claim 1, which is characterized in that generate controlling party and prosecution in the following manner:
Each intelligent battery in ad hoc network, which passes through bus interface, broadcasts its identity ID into ad hoc network;
The control unit of each intelligent battery receives the identity ID of other intelligent batteries ad hoc network Nei, and the body with itself
Part ID is compared, and using the smallest intelligent battery of identity ID value as controlling party, and generates controlling party ID;
The controlling party intelligent battery is that prosecution intelligent battery distributes interim short ID, for identification in ad hoc network prosecution body
Part.
The identity ID of the intelligent battery is the unique identity set when battery dispatches from the factory.
10. a kind of more intelligent battery ad hoc network cooperative control methods, which is characterized in that any one of with the claim 1-9
More intelligent battery ad hoc network cooperative control systems are correspondingly arranged, comprising the following steps:
Multiple intelligent batteries are connect with bus interface, total electric discharge interface respectively, the multiple intelligent battery ad hoc network generates control
Side processed and prosecution;
The controlling party controls prosecution, power supply needed for collaboration exports the electrical equipment.
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