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 PDF

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Publication number
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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Prior art keywords
battery
intelligent battery
intelligent
discharge
charge
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CN201910385643.5A
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CN110086224B (en
Inventor
庄晓群
张涌涛
范晓军
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Qiyue Technology (beijing) Co Ltd
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Qiyue Technology (beijing) Co Ltd
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    • H02J7/0022
    • H02J7/0026

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

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

A kind of more intelligent battery ad hoc network cooperative control systems and method
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.
CN201910385643.5A 2019-05-09 2019-05-09 Multi-intelligent-battery ad hoc network cooperative control system and method Active CN110086224B (en)

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