CN102874124A - Relay control strategy and device for battery of electric vehicle - Google Patents
Relay control strategy and device for battery of electric vehicle Download PDFInfo
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- CN102874124A CN102874124A CN201110197660XA CN201110197660A CN102874124A CN 102874124 A CN102874124 A CN 102874124A CN 201110197660X A CN201110197660X A CN 201110197660XA CN 201110197660 A CN201110197660 A CN 201110197660A CN 102874124 A CN102874124 A CN 102874124A
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention provides a relay control strategy and a relay control device for a battery of an electric vehicle. The strategy comprises the following steps: sending a control signal to a battery management system of the electric vehicle; controlling a relay to execute by the battery management system according to the control signal, and detecting the feedback signal of the relay, wherein the relay comprises an anode relay and a cathode relay which are respectively arranged at the anode and the cathode of the battery, and the relay is a relay with a feedback circuit; judging the state of the relay according to the feedback signal; and if the feedback signal of the relay exists, judging that the relay is in the abnormal state, and triggering an alarm signal. According to the relay control strategy, a driver can timely master whether the relay of the battery has faults so as to further avoid hidden safety hazards. In addition, the driver can also timely repair the fault so as to reduce the repair cost. According to the device, the advantages of simplicity in structure and easiness in implementation are achieved.
Description
Technical field
The present invention relates to the electric vehicle engineering field, particularly a kind of battery relay control policy and device of electronlmobil.
Background technology
The battery positive and negative electrode of electronlmobil, hybrid vehicle and fuel cell electric vehicle is provided with relay usually at present, like this, disconnection and closure that can be by the electric signal control relay therefore can be automatically and easily battery is powered on and lower electricity is controlled.
But, when the relay et out of order, such as the relay adhesion, relay can not disconnect this moment, and like this, chaufeur can not in time be found the relay fault when using existing electronlmobil, hybrid vehicle and fuel cell electric vehicle, thereby cause after the vehicle stop operation, because relay adhesion (being in closure state), high tension loop can't normally disconnect, and therefore has potential safety hazard.And may make electrokinetic cell continue power consumption, cause electric weight excessively low, cause battery to cross and put, power on next time and possibly can't start vehicle.In addition, battery is crossed to put and also may be caused the battery infringement, and battery fills and do not power on, and then increases the automotive servicing cost.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind of battery relay control policy of electronlmobil.The method powers at electronlmobil, relay is carried out fault detection in lower electricity or the process of charging, in case find that relay the fault such as adhesion occurs and causes high tension loop normally to disconnect, just report to the police immediately, thereby make chaufeur in time understand failure condition, prevent dangerous generation.In addition, after chaufeur is learnt warning, can in time process fault, prevent that thus battery from continuing power consumption, the battery infringement, and then reduce the automotive servicing cost.
Another object of the present invention is to propose a kind of battery relay control setup of electronlmobil, this device can carry out fault detection to relay, thereby avoids because the potential safety hazard that the relay adhesion brings prevents dangerous generation.In addition, this apparatus structure is simple, is easy to realize.
To achieve these goals, the Control strategy of the battery of the electronlmobil of first aspect present invention embodiment proposition may further comprise the steps: the battery management system to electronlmobil transmits control signal; Described battery management system is controlled the execution of described relay according to described control signal, and detect the feedback signal of described relay, wherein, described relay comprises anodal relay and the negative pole relay that is separately positioned on described anode and negative pole, and described relay is the relay with reactive circuit; Judge the state of described relay according to described feedback signal; And if the feedback signal of judging described relay exists, judge that then described relay is error state, and the trigger alarm signal.
Control strategy according to the battery of the electronlmobil of the embodiment of the invention, battery management system powers at electronlmobil, relay is carried out fault detection in lower electricity or the process of charging according to control signal, in case find that relay the fault such as adhesion occurs and causes high tension loop normally to disconnect, just report to the police immediately, thereby make chaufeur in time understand failure condition, prevent dangerous generation.In addition, after chaufeur is learnt warning, can in time process fault, prevent that thus battery from continuing power consumption, the battery infringement, and then reduce the automotive servicing cost.
In addition, the battery relay control policy according to electronlmobil of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, described control signal is lower electric signal.
According to one embodiment of present invention, control described anodal relay and disconnect, and detect the feedback signal of described anodal relay, control simultaneously described negative pole relay and disconnect; If detect the feedback signal sustainable existence of described anodal relay, then the trigger alarm signal; Whether the feedback signal that detects described negative pole relay exists; If detect the feedback signal sustainable existence of described negative pole relay, then the trigger alarm signal.
In one embodiment of the invention, described control signal is power on signal.
Whether whether the feedback signal that according to one embodiment of present invention, detects respectively described anodal relay exist the feedback signal with described negative pole relay to exist; If detect the feedback signal sustainable existence one of at least of the feedback signal of the feedback signal of described anodal relay and described negative pole relay, then the trigger alarm signal.
According to some embodiments of the present invention, the entire car controller of described electronlmobil is according to described alerting signal, and the misregistration data are also reported to the police by the warning device of described electronlmobil.
In one embodiment of the invention, described control signal is charging signals.
According to one embodiment of present invention, detect respectively the feedback signal of described anodal relay and the feedback signal of described negative pole relay; If detect the feedback signal sustainable existence one of at least of the feedback signal of the feedback signal of described anodal relay and described negative pole relay, then trigger alarm; Otherwise whether battery charger and the described battery of controlling described negative pole relay closes and the described electronlmobil of continuation detection exist unusually; If judge described battery charger and described battery occur one of at least unusual, trigger alarm signal and report to the police by described warning device according to described alerting signal is then controlled simultaneously and is disconnected behind the described negative pole relay delay scheduled time with to the described battery management system power supply schedule time.
According to the relay control device of the battery of the electronlmobil of second aspect present invention embodiment, comprising: transmitting element, described transmitting element are used for transmitting control signal to the battery management system of electronlmobil; Relay, described relay comprises anodal relay and the negative pole relay that is separately positioned on described anode and negative pole, and described relay is the relay with reactive circuit, and battery management system, described battery management system links to each other with described relay with described transmitting element respectively, be used for controlling according to described control signal the execution of described relay, and receive the feedback signal of described relay, then judge the state of described relay according to described feedback signal, if judging the feedback signal of described relay exists, judge that then described relay is error state, and the trigger alarm signal.
Relay control device according to the battery of the electronlmobil of the embodiment of the invention can carry out fault detection to relay, thereby avoid because the potential safety hazard that the relay adhesion brings prevents dangerous generation.In addition, this apparatus structure is simple, is easy to realize.
In addition, the battery relay control setup according to electronlmobil of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, described control signal is lower electric signal.
According to one embodiment of present invention, described battery management system is used for controlling described anodal relay and disconnects, and detect the feedback signal of described anodal relay, controlling simultaneously described negative pole relay disconnects, follow trigger alarm signal when detecting the feedback signal sustainable existence of described anodal relay, whether the feedback signal that then detects described negative pole relay exists, and triggers described alerting signal when detecting the feedback signal sustainable existence of described negative pole relay.
In one embodiment of the invention, described control signal is power on signal.
According to one embodiment of present invention, described battery management system is used for controlling described anodal relay and disconnects, and detect the feedback signal of described anodal relay, controlling simultaneously described negative pole relay disconnects, then when detecting the feedback signal sustainable existence of described anodal relay, trigger described alerting signal, whether the feedback signal that then detects described negative pole relay exists, if detect the feedback signal sustainable existence of described negative pole relay, then trigger alarm signal.
According to some embodiments of the present invention, the relay control device of the battery of described electronlmobil also comprises entire car controller, described entire car controller links to each other with described battery management system, be used for according to described alerting signal, the misregistration data are also reported to the police by the warning device of described electronlmobil.
In one embodiment of the invention, described control signal is charging signals.
According to one embodiment of present invention, described battery management system is also for detection of the voltage of the reactive circuit of described anodal relay with detect the voltage of the reactive circuit of described negative pole relay, when the voltage one of at least of the voltage of the reactive circuit of the voltage of the reactive circuit that detects described anodal relay and described negative pole relay when continuing the low voltage of output, directly report to the police by the gauge panel of described electronlmobil, otherwise whether battery charger and the described battery of controlling described negative pole relay closes and the described electronlmobil of continuation detection occur unusually, then judge occurring one of at least when unusual of described battery charger and described battery, by described gauge panel report to the police and delay scheduled time after disconnect described negative pole relay, to record corresponding misdata.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the diagram of circuit of battery relay control policy of the electronlmobil of the embodiment of the invention;
Fig. 2 is the relay test schematic diagram of the lower electric process battery of one embodiment of the invention;
Fig. 3 is the relay test schematic diagram of the power up battery of another embodiment of the present invention;
Fig. 4 is the relay test schematic diagram of the process of charging battery of yet another embodiment of the invention; And
Fig. 5 is the relay control device constructional drawing of battery of the electronlmobil of the embodiment of the invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be captive joints, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In terms more of the present invention, feedback signal exists and to refer to that the feedback voltage of relay is low voltage, at this moment, thinks relay closes or adhesion.And feedback signal does not exist the feedback voltage that refers to relay to become null value from low voltage, at this moment, thinks that relay disconnects.
Below in conjunction with accompanying drawing 1-4 Control strategy according to the battery of the electronlmobil of the embodiment of the invention is described at first.
As shown in Figure 1, be the diagram of circuit of the Control strategy of the battery of the electronlmobil of the embodiment of the invention.Control strategy according to the battery of the electronlmobil of the embodiment of the invention comprises the steps:
Step S101 transmits control signal to the battery management system of electronlmobil.In some embodiments of the invention, described control signal can be power on signal, lower electric signal or charging signals, and three kinds of signals are controlled respectively the electrifying startup of electronlmobil, lower electricity stops and to the charging indication of battery.
Step S102, described battery management system is controlled the execution of described relay according to described control signal, and detect the feedback signal of described relay, wherein, described relay comprises anodal relay and the negative pole relay that is separately positioned on described anode and negative pole, and described relay is the relay with reactive circuit.As a concrete example, when battery management system is carried out according to the control signal control relay, can also the state of relay be detected.Detect such as the feedback signal to relay.
Step S103 judges the state of described relay according to described feedback signal.The state of relay is divided into normal condition and error state, and error state such as relay sticks together etc., and at this moment, whether battery management system can be judged relay according to the situation of feedback signal and stick together.
Step S104 exists if judge the feedback signal of described relay, judges that then described relay is error state, and the trigger alarm signal.For example, as a concrete example, whether battery management system exists by detecting feedback signal, and relay is the relay with reactive circuit, like this, if relay normally disconnects, this moment, the voltage of reactive circuit was zero (not existing), if stick together, reactive circuit feeds back to the low voltage signal (feedback signal) of battery management system sustainable existence, thus, can judge relay whether unusually (adhesion).And then, can after the relay adhesion, send alerting signal, make chaufeur can in time learn fault.
Control strategy according to the battery of the electronlmobil of the embodiment of the invention, battery management system powers at electronlmobil, relay is carried out fault detection in lower electricity or the process of charging according to control signal, in case find that relay the fault such as adhesion occurs and causes high tension loop normally to disconnect, just report to the police immediately, thereby make chaufeur in time understand failure condition, prevent dangerous generation.In addition, after chaufeur is learnt warning, can in time process fault, prevent that thus battery from continuing power consumption, the battery infringement, and then reduce the automotive servicing cost.
[embodiment 1]
As shown in Figure 2, when control signal was lower electric signal, above-mentioned detecting step was:
At first, the battery management system to electronlmobil transmits control signal.Lower electric signal among Fig. 2 (key off);
Then, battery management system receives lower electric signal, and at first control anodal relay according to lower electric signal and disconnect, then after anodal relay executes open command, battery management system will further detect the feedback signal (whether the voltage of reactive circuit is low voltage) of anodal relay, and then control the disconnection of negative pole relay;
If detect the feedback signal sustainable existence (low voltage sustainable existence) of described anodal relay, illustrate that anodal relay disconnects unsuccessfully, the fault such as stick together, at this moment, battery management system is with the trigger alarm signal, as shown in Figure 2, in one embodiment of the invention, this alerting signal is sent to entire car controller, entire car controller is according to the corresponding failure message of this alarm logging, and report to the police driver by the warning device of electronlmobil.As, warning device can be gauge panel, and gauge panel links to each other with entire car controller, and at this moment, gauge panel shows corresponding mis-information.Like this, chaufeur can recognize in time in electric process under the electronlmobil whether electronlmobil exists potential safety hazard, and then timely trouble shooting, improves vehicle safety performance.
Whether the feedback signal that then battery management system will detect the negative pole relay exists.Similar with the method for the anodal relay of above-mentioned detection, in order to reduce redundancy, do not do and give unnecessary details.
If detect the feedback signal sustainable existence of described negative pole relay, then the trigger alarm signal.Like this, no matter one of them break down (adhesion) of anodal relay or negative pole relay, chaufeur all will in time learn, and then improve vehicle safety performance, be that chaufeur is felt more relieved.
[embodiment 2]
As shown in Figure 3, when control signal was power on signal, above-mentioned detecting step was:
At first, the battery management system to electronlmobil transmits control signal.Power on signal among Fig. 3 (key on);
Then whether whether the battery management system feedback signal that detects respectively described anodal relay according to power on signal exist the feedback signal with described negative pole relay to exist.
If detect the feedback signal sustainable existence one of at least of the feedback signal of the feedback signal of described anodal relay and described negative pole relay, then the trigger alarm signal.As shown in Figure 3, in one embodiment of the invention, this alerting signal is sent to entire car controller, entire car controller is according to the corresponding failure message of this alarm logging, and reports to the police driver by the warning device of electronlmobil.As, warning device can be gauge panel, and gauge panel links to each other with entire car controller, and at this moment, gauge panel shows corresponding mis-information.Like this, chaufeur can recognize in time in electric process under the electronlmobil whether electronlmobil exists potential safety hazard, and then timely trouble shooting, improves vehicle safety performance
Need to understand, when electronlmobil powers on, be actually electronlmobil the unloading phase, at this moment, each device of electronlmobil need to carry out self check, and during the self check of the battery management system of the embodiment of the invention, comprise the process of self-test to anodal relay and negative pole relay, significantly, the default conditions of anodal relay and negative pole relay are off-state, feedback voltage should not exist, if find the low voltage signal of feedback voltage for continuing in the process of self-test, the relay fault that sticks together is described, like this, the process of self-test failure, vehicle can not start, and by drivers such as gauge panels, makes chaufeur in time understand the reason that vehicle can not start, keep in repair early, and then improve vehicle safety.By the testing process of automation, saved the time of a large amount of investigation faults to chaufeur in addition.
[embodiment 3]
As shown in Figure 4, when control signal was charging signals, above-mentioned detecting step was:
At first, the battery management system to electronlmobil transmits control signal.Charging signals among Fig. 4.
Then battery management system begins self check according to charging signals, detects respectively the feedback signal of described anodal relay and the feedback signal of described negative pole relay.
If detect the feedback signal sustainable existence one of at least of the feedback signal of the feedback signal of described anodal relay and described negative pole relay, then trigger alarm.Testing process among above-mentioned testing process and the embodiment 2 is similar, does not do and gives unnecessary details.
Otherwise whether battery charger and the described battery of controlling described negative pole relay closes and the described electronlmobil of continuation detection exist unusually (battery charger infringement or battery itself break down).
If judge described battery charger and described battery occur one of at least unusual, trigger alarm signal and report to the police by described warning device according to described alerting signal is then controlled simultaneously and is disconnected behind the described negative pole relay delay scheduled time with to the described battery management system power supply schedule time.
Particularly, in conjunction with Fig. 4, the electric vehicle charging electric process, entire car controller does not participate in work, at this moment, battery management system in a single day detects anodal relay or adhesion fault appears in the negative pole relay, directly alerting signal is sent to warning device by battery management system, and warning device is reported to the police.Otherwise closed negative pole relay (for charging is afterwards prepared).
If then detect the problem of battery charger or battery itself, directly notify warning device to report to the police by battery management system equally.Disconnect the negative pole relay behind the battery management delay scheduled time, so that the misregistration data.
Like this, chaufeur can in time be learnt the reason of failing to charge, and then convenient for maintaining, saves time.
Below in conjunction with the relay control device of Fig. 5 description according to the battery of the electronlmobil of the embodiment of the invention.
As shown in Figure 5, the relay control device 500 according to the battery of the electronlmobil of the embodiment of the invention comprises transmitting element 510, relay 520 and battery management system 530.
Wherein, transmitting element 510 is used for transmitting control signal to the battery management system of electronlmobil.Relay 520 comprises anodal relay and the negative pole relay that is separately positioned on described anode and negative pole, and described relay is the relay with reactive circuit.Battery management system 530 links to each other with described relay 520 with described transmitting element 510 respectively, be used for controlling according to described control signal the execution of described relay 520, and receive the feedback signal of described relay 520, then judge the state of described relay 520 according to described feedback signal, if judging the feedback signal of described relay 520 exists, judge that then described relay 520 is error state, and the trigger alarm signal.
Relay control device according to the battery of the electronlmobil of the embodiment of the invention can carry out fault detection to relay, thereby avoid because the potential safety hazard that the relay adhesion brings prevents dangerous generation.In addition, this apparatus structure is simple, is easy to realize.
In one embodiment of the invention, control signal can be lower electric signal.
At this moment, the anodal relay of battery management system 530 controls disconnects, then detect the feedback signal (whether feedback voltage is the low voltage of sustainable existence) of anodal relay, controlling simultaneously the negative pole relay disconnects, follow trigger alarm signal when detecting the feedback signal sustainable existence of anodal relay, whether the feedback signal that then detects the negative pole relay exists, and triggers described alerting signal when detecting the feedback signal sustainable existence of described negative pole relay.
Advantageously, relay control device 500 in conjunction with the battery of the electronlmobil of Fig. 5 embodiment of the invention also comprises entire car controller 540, entire car controller 540 links to each other with battery management system 530, the alerting signal that this entire car controller 540 provides according to battery management system 530, the misregistration data are also reported to the police by the warning device 550 of electronlmobil.For example this warning device can be the gauge panel of electronlmobil, shows by gauge panel, and warning is provided.
In another embodiment of the present invention, above-mentioned control signal also can be power on signal.
At this moment, battery management system 530 is controlled anodal relay according to power on signal and is disconnected, and detect the feedback signal of described anodal relay, controlling simultaneously described negative pole relay disconnects, then when detecting the feedback signal sustainable existence of described anodal relay, trigger described alerting signal, whether the feedback signal that then detects described negative pole relay exists, if detect the feedback signal sustainable existence of described negative pole relay, then trigger alarm signal.
Advantageously, the alerting signal that entire car controller 540 provides according to battery management system 530, the misregistration data are also reported to the police by the warning device 550 of electronlmobil.For example this warning device can be the gauge panel of electronlmobil, shows by gauge panel, and warning is provided.
Need to understand, when electronlmobil powers on, be actually electronlmobil the unloading phase, at this moment, each device of electronlmobil need to carry out self check, and during the self check of the battery management system 530 of the embodiment of the invention, comprise the process of self-test to anodal relay and negative pole relay, significantly, the default conditions of anodal relay and negative pole relay are off-state, feedback voltage should not exist, if find the low voltage signal of feedback voltage for continuing in the process of self-test, relay 520 fault that sticks together is described, like this, the process of self-test failure, vehicle can not start, and by drivers such as gauge panels, makes chaufeur in time understand the reason that vehicle can not start, keep in repair early, and then improve vehicle safety.By the testing process of automation, saved the time of a large amount of investigation faults to chaufeur in addition.
In other embodiments of the invention, above-mentioned control signal can also be charging signals.
At this moment, the voltage of the voltage of the reactive circuit of the anodal relay of battery management system 530 detections and the reactive circuit of the described negative pole relay of detection, when the voltage one of at least of the voltage of the reactive circuit of the voltage of the reactive circuit that detects described anodal relay and described negative pole relay when continuing the low voltage of output, directly report to the police by the gauge panel of described electronlmobil, otherwise whether battery charger and the described battery of controlling described negative pole relay closes and the described electronlmobil of continuation detection occur unusually, then judge occurring one of at least when unusual of described battery charger and described battery, by described gauge panel report to the police and delay scheduled time after disconnect described negative pole relay, to record corresponding misdata.
In conjunction with Fig. 5, during charging, battery management system 530 directly links to each other with warning device 550, like this, entire car controller does not participate in work, and battery management system 530 can directly be reported to the police by the gauge panel of described electronlmobil, when in time providing warning, also reach the purpose that reduces energy consumption.
According to Control strategy of the present invention, whether chaufeur can in time be understood battery relay and break down, and then avoids potential safety hazard.In addition, chaufeur also can in time keep in repair fault, lowers maintenance cost.According to device of the present invention, have simple in structure, the advantage that is easy to realize.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claim and be equal to and limit.
Claims (16)
1. the Control strategy of the battery of an electronlmobil is characterized in that, may further comprise the steps:
Battery management system to electronlmobil transmits control signal;
Described battery management system is controlled the execution of described relay according to described control signal, and detect the feedback signal of described relay, wherein, described relay comprises anodal relay and the negative pole relay that is separately positioned on described anode and negative pole, and described relay is the relay with reactive circuit;
Judge the state of described relay according to described feedback signal; And
Exist if judge the feedback signal of described relay, judge that then described relay is error state, and the trigger alarm signal.
2. Control strategy according to claim 1 is characterized in that, described control signal is lower electric signal.
3. Control strategy according to claim 2 is characterized in that,
Control described anodal relay and disconnect, and detect the feedback signal of described anodal relay, control simultaneously described negative pole relay and disconnect;
If detect the feedback signal sustainable existence of described anodal relay, then the trigger alarm signal;
Whether the feedback signal that detects described negative pole relay exists;
If detect the feedback signal sustainable existence of described negative pole relay, then the trigger alarm signal.
4. Control strategy according to claim 1 is characterized in that, described control signal is power on signal.
5. Control strategy according to claim 4 is characterized in that,
Whether whether the feedback signal that detects respectively described anodal relay exist the feedback signal with described negative pole relay to exist;
If detect the feedback signal sustainable existence one of at least of the feedback signal of the feedback signal of described anodal relay and described negative pole relay, then the trigger alarm signal.
6. according to claim 3 or the control policy of 5 described relays, it is characterized in that, the entire car controller of described electronlmobil is according to described alerting signal, and the misregistration data are also reported to the police by the warning device of described electronlmobil.
7. Control strategy according to claim 1 is characterized in that, described control signal is charging signals.
8. Control strategy according to claim 7 is characterized in that,
Detect respectively the feedback signal of described anodal relay and the feedback signal of described negative pole relay;
If detect the feedback signal sustainable existence one of at least of the feedback signal of the feedback signal of described anodal relay and described negative pole relay, then trigger alarm;
Otherwise whether battery charger and the described battery of controlling described negative pole relay closes and the described electronlmobil of continuation detection exist unusually;
If judge described battery charger and described battery occur one of at least unusual, trigger alarm signal and report to the police by described warning device according to described alerting signal is then controlled simultaneously and is disconnected behind the described negative pole relay delay scheduled time with to the described battery management system power supply schedule time.
9. the relay control device of the battery of an electronlmobil is characterized in that, comprising:
Transmitting element, described transmitting element are used for transmitting control signal to the battery management system of electronlmobil;
Relay, described relay comprise anodal relay and the negative pole relay that is separately positioned on described anode and negative pole, and described relay is the relay with reactive circuit; And
Battery management system, described battery management system links to each other with described relay with described transmitting element respectively, be used for controlling according to described control signal the execution of described relay, and receive the feedback signal of described relay, then judge the state of described relay according to described feedback signal, exist if judge the feedback signal of described relay, judge that then described relay is error state, and the trigger alarm signal.
10. relay control device according to claim 9 is characterized in that, described control signal is lower electric signal.
11. relay control device according to claim 10, it is characterized in that, described battery management system is used for controlling described anodal relay and disconnects, and detect the feedback signal of described anodal relay, controlling simultaneously described negative pole relay disconnects, follow trigger alarm signal when detecting the feedback signal sustainable existence of described anodal relay, whether the feedback signal that then detects described negative pole relay exists, and triggers described alerting signal when detecting the feedback signal sustainable existence of described negative pole relay.
12. relay control device according to claim 9 is characterized in that, described control signal is power on signal.
13. relay control device according to claim 12, it is characterized in that, described battery management system is used for controlling described anodal relay and disconnects, and detect the feedback signal of described anodal relay, controlling simultaneously described negative pole relay disconnects, then when detecting the feedback signal sustainable existence of described anodal relay, trigger described alerting signal, whether the feedback signal that then detects described negative pole relay exists, if detect the feedback signal sustainable existence of described negative pole relay, then the trigger alarm signal.
14. according to claim 11 or the control setup of 13 described relays, it is characterized in that, also comprise:
Entire car controller, described entire car controller links to each other with described battery management system, is used for according to described alerting signal, and the misregistration data are also reported to the police by the warning device of described electronlmobil.
15. relay control device according to claim 9 is characterized in that, described control signal is charging signals.
16. relay control device according to claim 15, it is characterized in that, described battery management system is for detection of the voltage of the reactive circuit of anodal relay and the voltage of the reactive circuit that detects described negative pole relay, when the voltage one of at least of the voltage of the reactive circuit of the voltage of the reactive circuit that detects described anodal relay and described negative pole relay when continuing the low voltage of output, directly report to the police by the gauge panel of described electronlmobil, otherwise whether battery charger and the described battery of controlling described negative pole relay closes and the described electronlmobil of continuation detection occur unusually, then judge occurring one of at least when unusual of described battery charger and described battery, by described gauge panel report to the police and delay scheduled time after disconnect described negative pole relay, to record corresponding misdata.
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CN201110197660.XA CN102874124B (en) | 2011-07-14 | 2011-07-14 | Relay control strategy and device for battery of electric vehicle |
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CN103715013A (en) * | 2013-12-18 | 2014-04-09 | 惠州市亿能电子有限公司 | Relay anti-adhesion circuit |
CN104005849A (en) * | 2014-05-07 | 2014-08-27 | 潍柴动力股份有限公司 | Relay adhesion judgment method and system |
CN104638715A (en) * | 2013-11-08 | 2015-05-20 | 丰田自动车株式会社 | Electrical storage system |
CN104709091A (en) * | 2013-12-13 | 2015-06-17 | 北汽福田汽车股份有限公司 | Power-on method and power-off method of full electric vehicle |
CN104835683A (en) * | 2014-05-21 | 2015-08-12 | 北汽福田汽车股份有限公司 | Switching method of working modes of relay in power battery, and device |
CN104842798A (en) * | 2014-06-17 | 2015-08-19 | 北汽福田汽车股份有限公司 | Control method and system of switch-off process of relay of power battery |
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CN108061853A (en) * | 2017-11-20 | 2018-05-22 | 山东鲁能智能技术有限公司 | The power switch contact adhesion detecting system and method for electric vehicle DC charging |
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CN104709091A (en) * | 2013-12-13 | 2015-06-17 | 北汽福田汽车股份有限公司 | Power-on method and power-off method of full electric vehicle |
CN103715013B (en) * | 2013-12-18 | 2016-02-10 | 惠州市亿能电子有限公司 | A kind of relay anti-adhesion circuit |
CN103715013A (en) * | 2013-12-18 | 2014-04-09 | 惠州市亿能电子有限公司 | Relay anti-adhesion circuit |
CN104005849A (en) * | 2014-05-07 | 2014-08-27 | 潍柴动力股份有限公司 | Relay adhesion judgment method and system |
CN104005849B (en) * | 2014-05-07 | 2017-01-18 | 潍柴动力股份有限公司 | Relay adhesion judgment method and system |
CN104835683A (en) * | 2014-05-21 | 2015-08-12 | 北汽福田汽车股份有限公司 | Switching method of working modes of relay in power battery, and device |
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CN106772013B (en) * | 2016-12-29 | 2019-08-06 | 北京经纬恒润科技有限公司 | A kind of relay fault detection method and system |
CN106772013A (en) * | 2016-12-29 | 2017-05-31 | 北京经纬恒润科技有限公司 | A kind of relay fault detection method and system |
CN106950947A (en) * | 2017-05-24 | 2017-07-14 | 成都大运汽车集团有限公司 | New-energy automobile high-voltage relay condition monitoring system |
CN107933315A (en) * | 2017-10-27 | 2018-04-20 | 陕西法士特齿轮有限责任公司 | A kind of upper and lower electric control method of pure electric automobile high pressure |
CN108061853A (en) * | 2017-11-20 | 2018-05-22 | 山东鲁能智能技术有限公司 | The power switch contact adhesion detecting system and method for electric vehicle DC charging |
CN108152728A (en) * | 2017-12-27 | 2018-06-12 | 江苏金坛绿能新能源科技有限公司 | A kind of relay adhesion detection device |
CN109884519A (en) * | 2019-03-11 | 2019-06-14 | 汉腾汽车有限公司 | A kind of new-energy automobile power battery charge relay control system |
CN110562094A (en) * | 2019-08-07 | 2019-12-13 | 褚福强 | locomotive electrical system and battery pack charging and discharging method thereof |
CN112693357A (en) * | 2019-10-23 | 2021-04-23 | 中车时代电动汽车股份有限公司 | Power supply and discharge method and device for power battery of new energy automobile |
CN111169289A (en) * | 2020-01-06 | 2020-05-19 | 深圳天邦达新能源技术有限公司 | New energy automobile battery protection device and method |
CN114056181A (en) * | 2020-07-30 | 2022-02-18 | 北京新能源汽车股份有限公司 | Relay control system, control method and device and automobile |
CN112727656A (en) * | 2021-01-07 | 2021-04-30 | 徐州徐工挖掘机械有限公司 | Diesel engine starting protection control system and method and excavating machine |
CN112727656B (en) * | 2021-01-07 | 2022-03-18 | 徐州徐工挖掘机械有限公司 | Diesel engine starting protection control system and method and excavating machine |
CN113311324A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection method, battery management system and battery pack |
CN113759291A (en) * | 2021-09-30 | 2021-12-07 | 远景能源有限公司 | Fault detection method and device, energy storage system and readable storage medium |
CN113759291B (en) * | 2021-09-30 | 2023-01-31 | 远景能源有限公司 | Fault detection method and device, energy storage system and readable storage medium |
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