CN102928788B - A kind of method and system gathering battery information - Google Patents
A kind of method and system gathering battery information Download PDFInfo
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- CN102928788B CN102928788B CN201210436047.3A CN201210436047A CN102928788B CN 102928788 B CN102928788 B CN 102928788B CN 201210436047 A CN201210436047 A CN 201210436047A CN 102928788 B CN102928788 B CN 102928788B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
This application provides a kind of method and system gathering battery information, described method comprises: the present battery module determining a pending information acquisition in electric battery; The collection port of described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state; Gather the battery information of described present battery module.It is large that the method can solve in prior art the electromagnetic interference (EMI) be subject to when gathering battery information, and cause the inaccurate problem of the battery information collected.
Description
Technical field
The battery information that the application relates to electric automobile gathers field, particularly a kind of method and system gathering battery information.
Background technology
Along with the enhancing that global energy saving standard is realized, electric automobile or electric bicycle are chosen as transport facility by increasing people.Battery is the critical component in electric vehicle, and the quality of its performance directly determines the quality good or not of electric vehicle, therefore, manages very necessary to the battery in electric vehicle.
In order to realize carrying out information acquisition to the managerial demand of the battery of electric vehicle to each battery modules in electric battery, the battery information of collection can comprise the total voltage etc. of the terminal voltage of battery, temperature, charging and discharging currents and power brick.But the numerous strong electromagnetic equipment being often subject to being connected with battery modules in the process of the acquisition module collection battery information in battery management system are as the electromagnetic interference (EMI) of drive motor, electric machine controller, DC converter equipment etc., because the electromagnetic interference (EMI) be subject to causes more greatly to collect battery information exactly.
Summary of the invention
The application provides a kind of method and system gathering battery information, and the electromagnetic interference (EMI) be subject to during in order to solve in prior art and to gather battery information is large, and causes the inaccurate problem of the battery information collected.
Present invention also provides a kind of system gathering battery information, in order to ensure said method implementation and application in practice.
In order to solve the problem, this application discloses a kind of method gathering battery information, comprising:
Determine the present battery module of a pending information acquisition in electric battery;
The collection port of described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state;
Gather the battery information of described present battery module.
Preferably, also comprise after the battery information of the described present battery module of described collection:
According to the order of the collection battery modules preset, determine the battery modules of next pending information acquisition, and using the battery modules of next pending collection described as present battery module, perform the described collection port by described present battery module and be set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state, gather the operation of the battery information of described present battery module, until complete the information acquisition of all battery modules in electric battery.
Preferably, when the collection port of described present battery module is set to conducting state, and after the collection port of the remaining power module in electric battery except described present battery module is set to off-state, also comprise:
Judge whether acquisition order that described present battery module is corresponding is arranged in the first place of the order for the described collection battery modules preset, if so, then trigger the battery information performing and gather described present battery module; If not, then after postponing Preset Time, the operation of the battery information of described collection present battery module is performed.Preferably, the described collection port by described present battery module also comprises after being set to conducting state:
Whether the collection port detecting the battery modules of current collection is conducting state;
If so, perform the described collection port by the remaining power module in electric battery except described present battery module and be set to off-state;
If not, return the described collection port by described present battery module of execution and be set to conducting state, until judge that the collection port of the battery modules of described current collection is conducting state.
Preferably, the described collection port by the remaining power module in electric battery except described present battery module also comprises after being set to off-state:
Whether the collection port detecting the remaining power module in electric battery except the battery modules of described current collection is all off state;
If so, the battery information of the described present battery module of described collection is performed;
If not, return the described collection port by the remaining power module in electric battery except described present battery module of execution and be set to off-state, until judge that the collection port of the remaining power module in electric battery except the battery modules of described current collection is all off state.
Preferably, also comprise after the battery information of the described present battery module of described collection:
According to the collection period pre-set, trigger when arriving the collection moment of presetting and perform the described present battery module determining a pending information acquisition in electric battery, and gather the operation of present battery module information.
Preferably, the collection port of each battery modules of described electric battery is all connected with isolating chip;
The described collection port by described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state, comprising:
Control the isolating chip on the collection port of described present battery module by the collection port conducting of present battery module, and the collection port of described remaining power module except described present battery module is disconnected by the isolating chip controlled on the collection port of the remaining power module except present battery module.
This application discloses a kind of system gathering battery information, comprising: controller, and the conducting be connected with described controller disconnects execution module and information acquisition module;
Wherein, described controller, for determining the present battery module of a pending information acquisition in electric battery, control the collection port of conducting present battery module, and the collection port of remaining power module in disconnection electric battery except present battery module, and control the battery information gathering described present battery module;
Conducting disconnects execution module, under the control of described controller, the collection port of described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state;
Information acquisition module, under the control of described controller, gathers the battery information of described present battery module.
Preferably, described conducting disconnection execution module also comprises:
First detection module, under the control of described controller, whether the collection port detecting described present battery module is conducting state, and by the state reporting that is turned on or off of described current collection port to described controller;
Described controller, during for detecting that at described first detection module the collection port of described present battery module is conducting state, controlling described conducting disconnection execution module and the collection port of the remaining power module in electric battery except described present battery module is set to off-state; When described first detection module detects that the collection port of described present battery module is off state, control described conducting disconnection execution module and the collection port of described battery modules is set to conducting state, until first detection module detects that the collection port of the battery modules of described current collection is conducting state.
Preferably, described conducting disconnection execution module also comprises:
Second detection module, for under the control of described controller, whether the collection port detecting the remaining power module in electric battery except described present battery module is all off state, and by the state reporting that is turned on or off of the collection port of described remaining power module to described controller;
Described controller, when the collection port for detecting in described remaining power module when described second detection module is off-state, controls the battery information that described information acquisition module gathers described present battery module; When the collection port that described second detection module detects in described remaining power module is not off-state, control described conducting to disconnect module and again the described collection port by the remaining power module in electric battery except described present battery module is set to off-state, until the collection port of remaining power module that described second detection module detects in electric battery except the battery modules of described current collection is all off state.
Compared with prior art, the application comprises following advantage:
In the application, when carrying out battery information and gathering, the present battery module of a pending information acquisition is determined from electric battery, present battery module is gathered port and is set to conducting state, and the collection port of the remaining power module in electric battery except present battery module is set to off-state, and then only gather the battery information of this current battery modules.Owing to carrying out the battery information only gathering present battery module in gatherer process, and the collection port of the remaining power module in electric battery except the battery modules of current collection is set to off-state, like this, when carrying out the collection of this current battery modules, the electromagnetic interference (EMI) that the equipment be connected with electric battery produces can not enter in the collection terminal oral instructions of remaining power module from electric battery except present battery module, and then interference can not be caused to the information acquisition of present battery module, make to gather the electromagnetic interference (EMI) be subject in battery information process to greatly reduce, improve the accuracy of the battery information collected.
Certainly, the arbitrary product implementing the application might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of method flow schematic diagram gathering the embodiment one of the method for battery information of the application;
Fig. 2 is a kind of method flow schematic diagram gathering the embodiment two of the method for battery information of the application;
Fig. 3 is a kind of structural representation gathering the embodiment one of the system of battery information of the application;
Fig. 4 is a kind of structural representation gathering the embodiment two of the system of battery information of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In the method for existing collection battery information, the acquisition module of battery management system normally carries out the collection of battery information simultaneously at the collection port of multiple battery modules, but in the process gathering battery information, electromagnetic interference (EMI) can be entered by collection terminal oral instructions when gathering battery information, so gather the electromagnetic interference (EMI) that battery information can be subject to from multiple collection port on the collection port of multiple battery modules simultaneously, the accuracy of the battery information that acquisition module is collected reduces greatly.
Gather electromagnetic interference (EMI) suffered in battery information process to reduce, the invention provides a kind of method gathering battery information, the embodiment of the method is as described below.
Refer to Fig. 1, it illustrates a kind of schematic flow sheet gathering the embodiment of the method one of battery information that the application provides, implementation step can comprise:
Step 101: the present battery module determining a pending information acquisition in electric battery.
For electric vehicle provides the power module of power supply to be generally the electric battery be made up of multiple battery modules, the battery that several piece is little is installed in each battery modules, is generally Ni-MH battery.The acquisition module of battery management system carries out the collection of battery information usually at the high-pressure side of each battery modules, high-pressure side refers to the cathode voltage end of battery modules.
Battery management system, before collection battery information, according to the battery modules acquisition order prestored, determines the battery modules of a current pending information acquisition in electric battery.Certainly, battery management system also can adopt the mode of random acquisition, determines the battery modules of a current pending information acquisition.
Step 102: the collection port of described present battery module is set to conducting state, and the collection port of the battery modules in electric battery except present battery module is set to off-state.
After the battery modules determining current pending information acquisition, the collection of the battery information of this current battery modules the collection port of the present battery module determined is set to conducting state, so that can be carried out by the collection port of this current battery modules.Simultaneously, in order to avoid in the process gathered this current battery information, interference is introduced by the collection port of other battery modules, the collection port of the remaining power module in electric battery except present battery module is set to off-state, thus make cannot from the collection port processing battery information being in off-state.When the collection port in battery modules is in conducting state, electromagnetic interference (EMI) can be entered by collection terminal oral instructions, when gathering port and being in off-state, electromagnetic interference (EMI) is isolated, can not import into, and then ensure that acquisition module can not be subject to other and gather the electromagnetic interference (EMI) that ports bring when gathering the battery information of present battery module.
Step 103: the battery information gathering described present battery module.
Be in conducting state at the collection port of current battery modules, when the collection port of the remaining power module in electric battery except present battery module is in off-state, perform the battery information gathering current battery modules.
According to the method for the collection battery information that the present embodiment provides, when carrying out battery information and gathering, the present battery module of a pending information acquisition is determined from electric battery, present battery module is gathered port and is set to conducting state, and the collection port of the remaining power module in electric battery except the battery modules of current collection is set to off-state, and then only gather the battery information of this current battery modules.Owing to carrying out the battery information only gathering present battery module in gatherer process, and the collection port of the remaining power module in electric battery except the battery modules of current collection is set to off-state, like this, when carrying out the collection of this current battery modules, the electromagnetic interference (EMI) that the equipment be connected with electric battery produces can not enter in the collection terminal oral instructions of remaining power module from electric battery except present battery module, and then interference can not be caused to the information acquisition of present battery module, make to gather the electromagnetic interference (EMI) be subject in battery information process to greatly reduce, improve the accuracy of the battery information collected.
Refer to Fig. 2, it illustrates a kind of schematic flow sheet gathering the embodiment of the method two of battery information, the method performing step can comprise:
Step 201: the present battery module determining a pending information acquisition in electric battery.
Before collection battery information, in electric battery, determine the battery modules of a current pending information acquisition according to the battery modules acquisition order prestored.
Step 202: the collection port of described present battery module is set to conducting state.
After the present battery module determining the collection of pending battery information, the collection port of current battery modules is set to conducting state, by the battery information of this collection port processing present battery module.
It should be noted that, the equipment of strong electromagnetic be often connected with electric battery, such as drive motor, electric machine controller, DC converter etc., the electromagnetic interference (EMI) that strong electromagnetic equipment brings often is propagated by wire harness or the form of radiation affects the collection of battery management system to battery information, and the form especially propagated with wire harness affects larger.When gathering battery information on the collection port of battery modules, except being subject to except the electromagnetic interference (EMI) of forms of radiation propagation, the electromagnetic interference (EMI) that the collection port that also can be subject to this battery modules and other battery modules itself imports into.Therefore, only the collection port of present battery module is set to conducting state in the present embodiment, reduces the electromagnetic interference (EMI) introduced from the collection port of other battery modules, thus reduce the impact on the collection of present battery module battery information.
Step 203: whether the collection port detecting the battery modules of current collection is conducting state; If so, then enter step 204, if not, then return the operation performing step 202, until judge that the collection port of the battery modules of described current collection is conducting state.
After controller in battery management system have sent the order of the collection port of the battery modules of the current collection of conducting, whether the collection port that can also detect present battery module further is in conducting state, if be in conducting state, then can continue to perform next step action; If find after tested, the collection port of the battery modules of current collection is still off state, then return and perform step 202, whether the collection port again detecting present battery module after performing step 202 is in conducting state, until detect that this collection port is conducting state.
Increase the enforceability detection of the collection port status of the battery modules of current collection being further ensured to subsequent action.
Step 204: the collection port of the battery modules in electric battery except described present battery module is set to off-state.
After the present battery module determining pending information acquisition, the collection port of the remaining power module in electric battery except present battery module is set to off-state.The collection port of battery modules is the main path propagated of electromagnetic interference (EMI) often, when gathering the battery information of present battery module, disconnect the collection port of the remaining power module in electric battery except this current battery modules, thus the electromagnetic interference (EMI) may introduced by remaining power module is isolated, can not impact the collection of the battery information of present battery module, substantially reduce the electromagnetic interference (EMI) be subject to when gathering battery information.
Step 205: whether the collection port detecting the remaining power module in electric battery except the battery modules of described current collection is off state; If so, perform the operation of step 206, if not, return the operation performing step 204, until detect that the collection port of the remaining power module in electric battery except the battery modules of described current collection is off state.
After the controller in battery management system have sent the order of the collection port of the remaining power module disconnected in electric battery except present battery module, whether the collection port of the remaining power module that can also detect in electric battery except present battery module further is in off-state.If be in off-state, then can continue to perform next step action; If find to there is the collection port not being in off-state in the collection port of the remaining power module in electric battery except present battery module after tested, then return and perform step 204, whether the collection port continuing the remaining power module detected except present battery module after performing step 204 is off state, until detect that the collection port of the remaining power module in electric battery except present battery module is all off state.
Increase and the electromagnetic interference (EMI) not being subject to when gathering battery information to be entered by the collection terminal oral instructions of remaining power module is further ensured to the detection of the collection port status of the remaining power module in electric battery except present battery module, improve the accuracy of the battery information of collection.
It should be noted that, the collection port of each battery modules is all connected with isolating chip.Store the program performing and gather port conducting and disconnection in isolating chip, when gathering the battery information of present battery module, the isolating chip on the collection port of control present battery module is by the collection port conducting of present battery module; Simultaneously when controller sends the order of the collection port of the remaining power module disconnected in electric battery except present battery module, the collection port of the remaining power module except present battery module disconnects by the isolating chip controlled on the collection port of the remaining power module except present battery module, and then the electromagnetic interference (EMI) that the collection port of the remaining power module from electric battery except present battery module is introduced is isolated.
Step 206: the battery information gathering described present battery module.
Be in conducting state at the collection port of current battery modules, when the collection port of the remaining power module in electric battery except present battery module is in off-state, gather the battery information of current battery modules.
Step 207: according to the order of the collection battery modules preset, determine the battery modules of next pending information acquisition, and return execution step 201, the battery modules of the pending information acquisition determined so that current as present battery module, until complete the battery information collection of all battery modules in electric battery.
In the present embodiment, controller in battery management system pre-sets the acquisition order of all battery modules in electric battery, after the battery information having gathered current battery modules, according to the acquisition order pre-set, determine the battery modules of next pending information acquisition, and perform step 202, until complete the information acquisition to battery modules all in electric battery.
Under the acquisition order pre-set, the mode of acquisition time is generally adopted to carry out the collection of battery information to each battery modules.
It should be noted that, in the present embodiment when determining present battery module, and the collection port of battery modules is set to conducting state, and after the collection port of the remaining power module in battery modules except present battery module is set to off-state, also comprise:
Judge whether acquisition order that described present battery module is corresponding is arranged in the first place of the order for the described collection battery modules preset, if so, then trigger the battery information performing and gather described present battery module; If not, then after postponing Preset Time, the operation of the battery information of described collection present battery module is performed.
Like this, if present battery module is not first default need when carrying out the battery modules of information acquisition, the collection port of this current battery modules is being set to conducting state, and after the collection port of other battery modules except this current battery modules is all set to off-state, it is not the operation performing the battery information gathering this current battery modules immediately, also after being delay one section of duration, can be, after this current battery modules carries out the charging of certain hour, just perform the operation of the battery information gathering this current battery modules.
Wherein, the time span that this delay is preset can set as required, as the time span that postpones can be identical with the length at acquisition time interval of each battery modules.
Such as, battery modules A is had in electric battery, battery modules B, battery modules C and battery modules D, the battery modules preset gathers sequencing: battery modules A, battery modules B, battery modules C and battery modules D, then the acquisition order of battery modules A is positioned at the first place of default acquisition order, then first using battery modules A as present battery module, after completing the collection of battery modules A again, battery modules B is called next battery modules to be collected, then current time is set to conducting state as the collection port of the battery modules of present battery module, after the collection port of its excess-three battery modules is set to off-state, the battery information gathering this battery modules B is just performed after 10ms can be postponed, can charge to battery modules B in this 10ms postponed.Also identical with to the operating process of battery modules B with the operation of D for battery modules C.
Further, the method of the collection battery information that the application provides can circulate execution, after the collection of one-shot battery information is all completed to all battery modules in electric battery, according to the collection period pre-set, the battery information collection performing the application is triggered when arriving the collection moment that next is preset, determine the present battery module of a pending information acquisition in electric battery, and perform the operation of the battery information gathering present battery module.Still to have battery modules A, battery modules B, battery modules C and battery modules D to be described in electric battery, complete battery modules A, B, C and D in a collection period after, the operation of the battery modules A in this electric battery, B, C and D then still can be gathered successively, so constantly circulation after reaching next collection moment according to the collection period preset.
In the present embodiment, by arranging the cycle detection collection period of whole electric battery being achieved to battery information, the Real-time Collection of battery information is achieved.In addition, in the method for the collection battery information provided at the present embodiment, when acquisition module does not need to gather battery information, by isolating chip, the collection port of all battery modules in electric battery is set to off-state, the electromagnetic interference (EMI) entered by collection terminal oral instructions is isolated, ensure that whole battery management system, not by the electromagnetic interference (EMI) gathering port from battery modules, improves the antijamming capability of whole battery management system when not gathering battery information.
Corresponding with said method, present invention also offers a kind of system gathering battery information, in order to ensure said method implementation and application in practice.Refer to Fig. 3, it illustrates a kind of structural representation gathering the system embodiment one of battery information that the present embodiment provides, can comprise: controller 301, conducting disconnect execution module 302 and information acquisition module 303.
Wherein, controller 301, for determining the present battery module of a pending information acquisition in electric battery, control the collection port of conducting present battery module, and the collection port of remaining power module in disconnection electric battery except present battery module, and control the battery information gathering this current battery modules.
Conducting disconnects execution module 302 under the control of controller 301, the collection port of present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except present battery module is set to off-state.
Information acquisition module 303 gathers the battery information of present battery module under the control of controller 301, completes the collection of the battery information to battery modules.
A kind of system gathering battery information that the present embodiment provides, when gathering the battery information of present battery module, under the control of the controller, conducting disconnects execution module and the collection port of present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state, the collection of the battery information to present battery module is completed with Time Controller control information acquisition module.What gather due to controller control is only when previous battery modules, the collection port of remaining power module disconnects execution module by conducting all under the control of the controller and is set to off-state, like this, when carrying out the collection of present battery module, the electromagnetic interference (EMI) that the equipment be connected with electric battery produces can not enter in the collection terminal oral instructions of remaining power module from electric battery except present battery module, and then interference can not be caused to the information acquisition of present battery module, make to gather the electromagnetic interference (EMI) be subject in battery information process to greatly reduce, improve the accuracy of the battery information collected.
Refer to Fig. 4, it illustrates a kind of structural drawing gathering the system embodiment two of battery information, this system can comprise on the architecture basics of embodiment three: controller 301, conducting disconnect execution module 302 and information acquisition module 303, can also comprise: first detection module 304 and the second detection module 305.
Wherein, conducting disconnects execution module 302 and comprises first detection module 304, when conducting disconnects after execution module 302 performs the collection port of present battery module arranged conducting state, first detection module 304 is according to the control of controller 301, whether the collection port detecting present battery module has been conducting state, meanwhile, this first detection module by the state reporting be turned on or off of current collection port that detects to controller 301.
Controller 301, when the collection port that this first detection module detects present battery module is conducting state, controls conducting execution module 302 and the collection port of the remaining power module in electric battery except present battery module is set to off-state; And when this first detection module detects that the collection port of present battery module is off state, control conducting disconnection execution module 302 continuation execution and the collection port of present battery module is set to conducting state, until first detection module 304 detects that the collection port of the battery modules of current collection is conducting state.
Conducting disconnects in execution module 302 and can also comprise: the second detection module 305, when conducting disconnects after execution module 302 performs the collection port of the remaining power module in electric battery except present battery module is set to off-state, whether the collection port of the remaining power module that the second detection module 305 detects in electric battery except the battery modules of current collection under the control of controller 301 is all off state, simultaneously by the state reporting that is turned on or off of the collection port of the remaining power module detected to controller 301.
Accordingly, controller 301 is when this second detection module detects that the collection port of this remaining power module is all off state, and control information acquisition module 303 gathers the battery information of present battery module; And when this second detection module detects that the collection port existence of remaining power module is not in the collection port of off-state, control conducting disconnection execution module 302 continuation execution and the collection port of the remaining power module in electric battery except present battery module is set to off-state, until detect that the collection port of the remaining power module in electric battery except the battery modules of current collection is all off state.
Wherein, when in the collection port that the second detection module 305 detects at remaining power module, when still having collection port to be in conducting state, controller 301 also can report to the state that is turned on or off of the remaining power module collection port of this controller 301 according to the second detection module 305, control conducting disconnection execution module 302 and only perform operation collection port being set to off-state for the collection port being in conducting state, save operating process.
It should be noted that, more than the application in arbitrary system embodiment, after controller completes the collection of the battery information of this current battery modules, can also according to the order of the collection battery modules preset, determine the battery modules of next pending information acquisition, and using the battery modules of next pending collection described as present battery module, perform and control the collection port of described present battery module to be set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state, gather the operation of the battery information of described present battery module, until complete the information acquisition of all battery modules in electric battery.
Further, control conducting disconnection module at controller and the collection port of described present battery module is set to conducting state, and after the collection port of the remaining power module in electric battery except described present battery module is set to off-state, this controller can also judge whether acquisition order that described present battery module is corresponding is arranged in the first place of the order for the described collection battery modules preset, if so, then trigging control gathers the battery information of this current battery modules; If not, then after postponing Preset Time, perform the operation controlling the battery information gathering present battery module.
It should be noted that, in the system of any one collection battery information above, this conducting disconnects execution module 302 can be provided with isolating chip, the collection port of each battery modules is connected with an isolating chip respectively, and conducting disconnection execution module 302 completes conducting and the disconnection to gathering port by the isolating chip be connected on the collection port of each battery modules.When controller 301 sends the instruction of the battery information gathering present battery module, isolating chip on the collection port of control present battery module is by the collection port conducting of present battery module, and the collection port of remaining power module disconnects by the isolating chip controlled respectively on the collection port of the remaining power module except present battery module.
It should be noted that, disconnect on execution module 302 in conducting and also an isolating chip can be only set, the collection port of all battery modules is all connected with this isolating chip, the control program of the collection port to all battery modules is stored in this isolating chip, when determining the present battery module of collection, controller 301 controls isolating chip and completes and be set to conducting state to the collection port of present battery module, the collection port of remaining power module is set to off-state simultaneously.
The another kind that the present embodiment provides gathers the system of battery information, by adding first detection module and the second detection module, the state of the collection port of battery modules is detected further, ensure that the state of the battery modules collection port of setting is in conducting state, and then be conducive to the execution of subsequent acquisition action.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For system embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Finally, also it should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required general hardware platform by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. gather a method for battery information, it is characterized in that, comprising:
Determine the present battery module of a pending information acquisition in electric battery;
The collection port of described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state;
The battery information of described present battery module is gathered at the cathode voltage end of described present battery module.
2. method according to claim 1, is characterized in that, the described cathode voltage end at described present battery module also comprises after gathering the battery information of described present battery module:
According to the order of the collection battery modules preset, determine the battery modules of next pending information acquisition, and using the battery modules of next pending collection described as present battery module, perform the described collection port by described present battery module and be set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state, gather the operation of the battery information of described present battery module, until complete the information acquisition of all battery modules in electric battery.
3. method according to claim 2, it is characterized in that, when the collection port of described present battery module is set to conducting state, and after the collection port of the remaining power module in electric battery except described present battery module is set to off-state, also comprise:
Judge whether acquisition order that described present battery module is corresponding is arranged in the first place of the order for the described collection battery modules preset, if so, then trigger the battery information performing and gather described present battery module; If not, then after postponing Preset Time, the operation of the battery information of described collection present battery module is performed.
4. method according to claim 1, is characterized in that, the described collection port by described present battery module also comprises after being set to conducting state:
Whether the collection port detecting the battery modules of current collection is conducting state;
If so, perform the described collection port by the remaining power module in electric battery except described present battery module and be set to off-state;
If not, return the described collection port by described present battery module of execution and be set to conducting state, until judge that the collection port of the battery modules of described current collection is conducting state.
5. method according to claim 1, is characterized in that, the described collection port by the remaining power module in electric battery except described present battery module also comprises after being set to off-state:
Whether the collection port detecting the remaining power module in electric battery except the battery modules of described current collection is all off state;
If so, the battery information of the described present battery module of described collection is performed;
If not, return the described collection port by the remaining power module in electric battery except described present battery module of execution and be set to off-state, until judge that the collection port of the remaining power module in electric battery except the battery modules of described current collection is all off state.
6. method according to claim 1 and 2, is characterized in that, the described cathode voltage end at described present battery module also comprises after gathering the battery information of described present battery module:
According to the collection period pre-set, trigger when arriving the collection moment of presetting and perform the described present battery module determining a pending information acquisition in electric battery, and the operation of the battery information of collection present battery module.
7. method according to claim 1, is characterized in that, the collection port of each battery modules of described electric battery is all connected with isolating chip;
The described collection port by described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state, comprising:
Control the isolating chip on the collection port of described present battery module by the collection port conducting of present battery module, and the collection port of described remaining power module except described present battery module is disconnected by the isolating chip controlled on the collection port of the remaining power module except present battery module.
8. gather a system for battery information, it is characterized in that, comprising: controller, and the conducting be connected with described controller disconnects execution module and information acquisition module;
Wherein, described controller, for determining the present battery module of a pending information acquisition in electric battery, control the collection port of conducting present battery module, and the collection port of remaining power module in disconnection electric battery except present battery module, and control the battery information gathering described present battery module;
Conducting disconnects execution module, under the control of described controller, the collection port of described present battery module is set to conducting state, and the collection port of the remaining power module in electric battery except described present battery module is set to off-state;
Information acquisition module, under the control of described controller, gathers the battery information of described present battery module at the cathode voltage end of described present battery module.
9. system according to claim 8, is characterized in that, described conducting disconnects execution module and also comprises:
First detection module, under the control of described controller, whether the collection port detecting described present battery module is conducting state, and by the state reporting that is turned on or off of described current collection port to described controller;
Described controller, during for detecting that at described first detection module the collection port of described present battery module is conducting state, controlling described conducting disconnection execution module and the collection port of the remaining power module in electric battery except described present battery module is set to off-state; When described first detection module detects that the collection port of described present battery module is off state, control described conducting disconnection execution module and the collection port of described battery modules is set to conducting state, until first detection module detects that the collection port of the battery modules of described current collection is conducting state.
10. system according to claim 8 or claim 9, is characterized in that, described conducting disconnects execution module and also comprises:
Second detection module, for under the control of described controller, whether the collection port detecting the remaining power module in electric battery except described present battery module is all off state, and by the state reporting that is turned on or off of the collection port of described remaining power module to described controller;
Described controller, when the collection port for detecting in described remaining power module when described second detection module is off-state, controls the battery information that described information acquisition module gathers described present battery module; When the collection port that described second detection module detects in described remaining power module is not off-state, control described conducting to disconnect module and again the described collection port by the remaining power module in electric battery except described present battery module is set to off-state, until the collection port of remaining power module that described second detection module detects in electric battery except the battery modules of described current collection is all off state.
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