CN204696641U - A kind of equipment for the protection of high-tension battery using electricity system and the vehicle with this equipment - Google Patents
A kind of equipment for the protection of high-tension battery using electricity system and the vehicle with this equipment Download PDFInfo
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- CN204696641U CN204696641U CN201520320796.9U CN201520320796U CN204696641U CN 204696641 U CN204696641 U CN 204696641U CN 201520320796 U CN201520320796 U CN 201520320796U CN 204696641 U CN204696641 U CN 204696641U
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Abstract
The utility model discloses a kind of equipment for the protection of high-tension battery using electricity system, it comprises: checkout gear, it has output and at least two in order to receive the signal input part of high voltage connector fault-signal, wherein, described at least two signal input parts receive the fault-signal characterizing positive pole high voltage connector fault and the fault-signal characterizing negative pole high voltage connector fault respectively, described checkout gear is set to: described at least two signal input parts at least one of them receives described fault-signal time, export from described output and turn off operational order; Contactor control switch, it is connected between described high voltage connector and described high voltage connector power supply, described control switch is also connected with the output of described checkout gear, with cutoff high contactor power supply after receiving described shutoff operational order to the power supply of high voltage connector.Correspondingly, the invention also discloses a kind of vehicle with the said equipment.
Description
Technical field
The utility model relates to a kind of proterctive equipment of using electricity system, particularly relates to a kind of equipment protecting high-tension battery using electricity system.
Background technology
Passenger car usually comprises the battery for the electrical system and power drive system operating vehicle.Such as, in hybrid electric vehicle (" HEV "), plug-in hybrid electric vehicle (" PHEV "), fuel cell electric vehicle (" FCEV ") or pure electric vehicle (" EV "), high-tension battery can be used for providing power to the electronic of vehicle or power-transmitting part.High-tension battery can store high voltage electric energy, and this high voltage electric energy can be passed to Vehicular system via the high-voltage bus with positive and negative wire or guide rail.The contactor that high-tension battery can switch via one or more selectivity is optionally connected to positive and negative wire or guide rail.But because high-tension battery provides high voltage electric energy, the contactor for this high-tension battery using electricity system may be deteriorated along with the passage of service time, and then break down, and the fault of contactor can bring potential danger for high-tension battery using electricity system.
Such as, as shown in Figure 1, before positive pole high voltage connector S1 is closed, need first to close pre-charge contactor S3 and negative pole high voltage connector S2, with to being parallel to load R
lthe electric capacity C at two ends charges.If positive pole high voltage connector S1 is due to solder failure adhesion, then pre-charge resistance R is shorted, and electric capacity C will be subject to heavy current impact in pre-charging stage.In addition, if positive pole high voltage connector S1 and negative pole high voltage connector S2 all solder failure occurs, high-tension battery using electricity system can be caused to be in all the time with electricity condition, there is potential shock hazard.Therefore, when contactor breaks down, take corresponding safeguard measure to seem particularly important to high-tension battery using electricity system in time.
Utility model content
One of the purpose of this utility model is to provide a kind of equipment for the protection of high-tension battery using electricity system, and this equipment when contactor breaks down, can take corresponding safeguard measure to high-tension battery using electricity system in time.
Another object of the present utility model is to provide a kind of vehicle with this equipment.
According to one of above-mentioned purpose, the utility model proposes a kind of equipment for the protection of high-tension battery using electricity system, it comprises:
Checkout gear, it has output and at least two in order to receive the signal input part of high voltage connector fault-signal, wherein, described at least two signal input parts receive the fault-signal characterizing positive pole high voltage connector fault and the fault-signal characterizing negative pole high voltage connector fault respectively, described checkout gear is set to: described at least two signal input parts at least one of them receives described fault-signal time, export from described output and turn off operational order;
Contactor control switch, it is connected between described high voltage connector and described high voltage connector power supply, described control switch is also connected with the output of described checkout gear, with cutoff high contactor power supply after receiving described shutoff operational order to the power supply of high voltage connector.
Equipment for the protection of high-tension battery using electricity system described in the utility model receives fault-signal by checkout gear; when contactor breaks down; checkout gear exports according to fault-signal and turns off operational order; contactor control switch is then according to the power supply of this shutoff operational order cutoff high contactor; its contact cannot action when its power supply is cut-off for high voltage connector; the supply line of high-tension battery also just cannot connect, thus high-tension battery using electricity system is obtained protect timely and effectively.
In equipment for the protection of high-tension battery using electricity system described in the utility model, described fault-signal comes from the fault detect to high voltage connector, and this detection is by existing techniques in realizing.Such as select the contactor with auxiliary contactor, judged the fault of contactor by the contacts status detecting auxiliary contactor; Or integrated special voltage measurement module in Vehicular battery management system, then before high voltage connector closes and closed after measure the voltage of high-tension battery respectively, and then indirectly judge the fault of contactor.
Under some embodiments; in the equipment for the protection of high-tension battery using electricity system described in the utility model; described checkout gear is also connected with Vehicular battery management system; described at least two signal input parts at least one of them receives described fault-signal time; export no-operation instruction from described output, this no-operation instruction quits work for controlling high-tension battery.
In above-mentioned this technical scheme; when contactor breaks down; Vehicular battery management system controls high-tension battery according to no-operation instruction and quits work, thus implements duplicate protection to high-tension battery using electricity system together with shutoff operational order, enhances the reliability of protection.Vehicular battery management system is existing control system in existing vehicle.Turn off operational order and no-operation instruction to export by the output of checkout gear, it can be by the output of different outputs, also can be exported by same output.
Under some embodiments, in the equipment for the protection of high-tension battery using electricity system described in the utility model, described checkout gear comprises:
Control module, it has the input as the output of described checkout gear output and at least two signal input parts as checkout gear, described control module its at least two inputs at least one of them receive characterize high voltage connector tool out of order described fault-signal time, export from its output and turn off operational order.
In above-mentioned this technical scheme, control module can be that any one can realize the smart machine of above-mentioned functions, the device that the such as those skilled in that art such as PLC, single-chip microcomputer know.
Under other execution mode, described fault-signal is logic fault signal.
Therefore further, described checkout gear comprises:
Logic sum gate, it has logical signal output and at least two logic signal input end as described at least two signal input parts, described logic sum gate its at least two logic signal input end at least one of them receives described logic fault signal time, from its logical signal output export characterize turn off operation logical operation signal;
Controller, its input is connected with the logical signal output of described logic sum gate, the output of described controller is as the output of described checkout gear, and described controller exports described shutoff operational order after receiving the logical operation signal characterizing and turn off operation.
In technique scheme, the fault-signal of logic sum gate to the fault-signal and sign negative pole high voltage connector fault that characterize positive pole high voltage connector fault is utilized to carry out logic OR process, thus meet: as long as one of them of two logical signals is the logic fault signal characterizing fault, then export the logical operation signal characterizing and turn off operation.
Further, under some embodiments, described controller adopts Vehicular battery management system to realize.Vehicular battery management system is existing control system in existing vehicle.
Under other execution mode, described controller also can be the peripheral control unit independent of Vehicular battery management system.
In addition, under some embodiments, Vehicular battery management system detects the fault of positive pole high voltage connector and negative pole high voltage connector, and sends the described fault-signal characterizing positive pole high voltage connector fault and the described fault-signal characterizing negative pole high voltage connector fault.That is, under this technical scheme, the fault of positive pole high voltage connector and negative pole high voltage connector is detected by Vehicular battery management system existing in vehicle.
With technique scheme unlike; under other execution mode; equipment for the protection of high-tension battery using electricity system described in the utility model also at least comprises two high voltage connector failure detectors; it is corresponding with described at least two signal input parts respectively connects, and described two high voltage connector failure detectors detect the fault of positive pole high voltage connector and negative pole high voltage connector respectively and send the fault-signal characterizing positive pole high voltage connector fault and the fault-signal characterizing negative pole high voltage connector fault respectively.That is, in this technical scheme, not by Vehicular battery management system, but detect the fault of positive pole high voltage connector and negative pole high voltage connector by the high voltage connector failure detector arranged in addition.
Further, in the above-mentioned equipment for the protection of high-tension battery using electricity system, described high voltage connector failure detector comprises:
Testing circuit, it has input and output, the input of described testing circuit is connected with high voltage connector, and described testing circuit exports from the output of testing circuit after the electric current formed high-voltage signal flowing through described high voltage connector is converted to corresponding detection signal;
Breakdown judge module, it is connected with the output of described testing circuit, described breakdown judge module according to described high voltage connector when receiving the operational order of " opening " or " closing ", whether the detection signal detecting the output of described testing circuit there occurs state transition, whether there occurs fault to high voltage connector judge, and send the described fault-signal characterizing high voltage connector fault.
In this technical scheme, detect the fault of contactor by arranging testing circuit and breakdown judge module, thus avoid the cost that hardware designs of the prior art brings and increase problem.In addition, because this testing circuit is directly connected with contactor, the low-voltage signal that testing circuit exports directly reflects the fault of contactor, and therefore required detection time is also less than detection time of the prior art.
The operation adopting this technical scheme to carry out fault detect to high-tension battery contactor is also very easy: first, conveniently operating process, and contactor receives " opening " or the operational order of " closing "; Then the detection signal that breakdown judge module is transmitted according to testing circuit carries out breakdown judge: contactor is when receiving the operational order of " opening " or " closing ", if the detection signal that the output of testing circuit exports there occurs state transition (such as, low level is jumped to from high level, or jump to high level from low level), then judge that contactor does not break down; If state transition does not occur detection signal, then judge that contactor there occurs fault.
In some embodiments, above-mentioned testing circuit comprises: signal conversion module, its input is connected with high voltage connector, its output and breakdown judge model calling, after described high-voltage signal is converted to low-voltage signal by described signal conversion module, low-voltage signal is exported to described breakdown judge module as described detection signal by its output.
In this technical scheme, breakdown judge module is that the state transition of the low-voltage signal transmitted by testing circuit judges whether contactor there occurs fault, such as contactor is when receiving the operational order of " opening " or " closing ", and the signal of testing circuit transmission has jumped to high level from low level.
In other execution mode, described testing circuit comprises:
Signal conversion module, its input is connected with high voltage connector, and described signal conversion module exports after described high-voltage signal is converted to low-voltage signal;
Logic module output, its input is connected with the output of signal conversion module, the output of logic module output and described breakdown judge model calling, after low-voltage signal from signal conversion module is converted to logical signal by described logic module output, logical signal is exported to described breakdown judge module as described detection signal by its output.
In this optional technical scheme, breakdown judge module is that the state transition of the logical signal transmitted by testing circuit judges whether contactor there occurs fault, such as at contactor when receiving the operational order of " opening " or " closing ", testing circuit transmission logical signal jumped to " 1 " from " 0 ".Breakdown judge module can pass through the device realization that single-chip microcomputer, programmable logic controller (PLC) or other software and hardwares combine.
Under some embodiments, further, above-mentioned signal conversion module comprises:
Photoelectrical coupler, its input is connected in series with described high voltage connector and high-tension battery by divider resistance, and the output of photoelectrical coupler exports described low-voltage signal as the output of described signal conversion module;
Low-tension supply, it is connected with the output of this photoelectrical coupler by resistance.
Preferably; in above-mentioned all equipment for the protection of high-tension battery using electricity system; described control switch is NPN triode; the base stage of described NPN triode is connected with the output of described checkout gear; the collector electrode of described NPN triode is connected with described high voltage connector power supply, and the emitter of described NPN triode is connected with described high voltage connector.
Based on another object of the present utility model, the utility model additionally provides a kind of vehicle, and it has the above-mentioned equipment for the protection of high-tension battery using electricity system.
Equipment for the protection of high-tension battery using electricity system described in the utility model, when contactor breaks down, can take corresponding safeguard measure to high-tension battery using electricity system in time.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of high-tension battery using electricity system.
Fig. 2 is the schematic diagram of equipment under a kind of execution mode for the protection of high-tension battery using electricity system described in the utility model.
Fig. 3 is the structured flowchart of the high voltage connector failure detector of the equipment for the protection of high-tension battery using electricity system described in the utility model under a kind of real mode.
Fig. 4 is the schematic block diagram of the testing circuit of equipment under a kind of real mode for the protection of high-tension battery using electricity system described in the utility model.
Fig. 5 is the schematic block diagram of the testing circuit of equipment under another kind of real mode for the protection of high-tension battery using electricity system described in the utility model.
Fig. 6 is the circuit diagram of the testing circuit of equipment under a kind of real mode for the protection of high-tension battery using electricity system described in the utility model.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the equipment for the protection of high-tension battery using electricity system in the present embodiment described in the utility model and method are described in detail further, but this detailed description is not formed restriction of the present utility model.
Fig. 2 shows the schematic diagram of equipment under a kind of execution mode for the protection of high-tension battery using electricity system described in the utility model.As shown in Figure 2, the equipment for the protection of high-tension battery using electricity system of the present embodiment comprises: checkout gear, this checkout gear comprises a logic sum gate, it has a logical signal output and two logic signal input end, comprise the first logic signal input end and the second logic signal input end, this checkout gear also comprises the controller of Vehicular battery management system, and its input is connected with the logical signal output of logic sum gate; Contactor control switch, this contactor control switch is NPN triode, the base stage of this NPN triode is connected with the output of the controller of Vehicular battery management system, collector electrode is connected with high voltage connector power supply+12V, emitter is connected with the feeder ear positive pole of high voltage connector, the feeder ear minus earth of high voltage connector.
Corresponding foregoing circuit structure, can protect high-tension battery using electricity system according to following step:
Two logic signal input end of logic sum gate receive the logic fault signal characterizing positive pole high voltage connector S1 and negative pole high voltage connector S2 fault respectively;
Logic sum gate receive characterize positive pole high voltage connector S1 tool out of order logic fault signal and characterize the out of order logic fault signal of negative pole high voltage connector S2 tool at least one of them time, the logical operation signal characterizing and turn off operation is sent by its output, specifically as shown in table 1;
The controller of Vehicular battery management system sends shutoff operational order according to characterizing the logical operation signal turning off operation, this shutoff operational order is ended by the base voltage control NPN triode controlled as the NPN triode of contactor control switch, thus cutoff high contactor power supply+12V is to the power supply of high voltage connector.
Table 1
In some embodiments; controller also sends no-operation instruction while sending shutoff operational order; this no-operation instruction controls high-tension battery and quits work, thus implements duplicate protection to high-tension battery using electricity system together with shutoff operational order, strengthens the reliability of protection.
In addition, the controller of Vehicular battery management system also can be used as control module and directly receives the fault-signal characterizing positive pole high voltage connector S1 and negative pole high voltage connector S2 fault, and receive characterize positive pole high voltage connector S1 tool out of order fault-signal and characterize the out of order fault-signal of negative pole high voltage connector S2 tool at least one of them time, send and turn off operational order (or simultaneously send turn off operational order and no-operation instruction).Certainly, in other execution mode, the controller of above-mentioned Vehicular battery management system also can be substituted by the peripheral control unit independent of Vehicular battery management system.
In some embodiments, the fault of positive pole high voltage connector S1 and negative pole high voltage connector S2 can be detected by Vehicular battery management system, and namely Vehicular battery management system sends the fault-signal characterizing positive pole high voltage connector S1 fault and the fault-signal characterizing negative pole high voltage connector S2 fault.
In other execution mode, the fault of positive pole high voltage connector S1 and negative pole high voltage connector S2 can be detected respectively by two the high voltage connector failure detectors arranged in addition.
Such as, Fig. 3 shows the structured flowchart of the high voltage connector failure detector under a kind of execution mode.As shown in Figure 3, in this embodiment, detected high-tension battery contactor circuit has two contactors, namely the positive contact device S1 be connected with high-tension battery B positive pole and the cathode contact device S2 be connected with high-tension battery negative pole, high-tension battery B are by positive contact device S1 and cathode contact device S2 and load R
ltwo ends be connected.In addition, testing circuit also comprises the first testing circuit and the second testing circuit, it connects with positive contact device S1 and cathode contact device S2 respectively: corresponding with it, breakdown judge module also comprises Fisrt fault judge module and the second breakdown judge module, and it is corresponding with the first testing circuit and the second testing circuit respectively connects.Wherein, after the electric current formed high-voltage signal flowing through positive contact device S1 is converted to corresponding detection signal by the first testing circuit, export from the output of the first testing circuit; Fisrt fault judge module according to positive contact device S1 when receiving the operational order of " opening " or " closing ", whether the detection signal that the first testing circuit exports there occurs state transition, judge whether there occurs fault to positive pole contactor S1 and send the fault-signal characterizing positive pole high voltage connector S1 fault, this fault-signal can be logical signal.After the electric current formed high-voltage signal flowing through cathode contact device S2 is converted to corresponding detection signal by the second testing circuit, export from the output of the second testing circuit; Second breakdown judge module according to cathode contact device S2 when receiving the operational order of " opening " or " closing ", whether the detection signal that the second testing circuit exports there occurs state transition, whether there occurs fault with anticathode contactor S2 carry out judging and send the fault-signal characterizing negative pole high voltage connector S2 fault, this fault-signal can be logical signal.
Fig. 4 illustrates the structured flowchart of the testing circuit in the high voltage connector failure detector under a kind of execution mode.In this embodiment, testing circuit comprises: signal conversion module, its input receives high-voltage signal, after high-voltage signal is converted to low-voltage signal by signal conversion module, by its output, low-voltage signal is exported to breakdown judge module as the detection signal in the technical program.
Fig. 5 illustrates the structured flowchart of the testing circuit in the high voltage connector failure detector under another kind of execution mode.In this embodiment, state testing circuit to comprise: signal conversion module, its input receives high-voltage signal, signal conversion module exports to connected logic module output after the high-voltage signal from contactor is converted to low-voltage signal, the low-voltage signal that signal conversion module exports is converted to corresponding logical signal by logic module output, then this logical signal is exported to breakdown judge module.
This breakdown judge module illustrated in Figure 4 is carried out to the execution mode of contactor breakdown judge according to the low-voltage signal that signal conversion module is transmitted, be described in further detail by a concrete scheme below.It should be noted that, the alternate manner that those skilled in the art can also be known by it realizes.
Fig. 6 shows the circuit diagram of the testing circuit in the high voltage connector failure detector under a kind of execution mode.As shown in Figure 6, in the present embodiment, testing circuit comprises the first testing circuit for detecting positive contact device S1 and the second testing circuit for detecting cathode contact device S2.First testing circuit comprises: the first photoelectrical coupler T1, divider resistance R1, divider resistance R3 and resistance R5; Wherein, the electrode input end of the first photoelectrical coupler T1 is connected with one end of the first protection module by divider resistance R1, and with positive contact device S1 and load R
lone end connect; The negative input of the first photoelectrical coupler T1 is connected with the other end of the first protection module by divider resistance R3, and is connected to the negative pole of high-tension battery B; The collector electrode of the phototriode of the first photoelectrical coupler T1 is as the low-voltage signal Signal0 of the first output output as detection signal, first output of the first photoelectrical coupler T1 also connects the positive pole+5V of low-tension supply by resistance R5, the emitter of the first photoelectrical coupler T1 is as the second output head grounding.Please continue to refer to Fig. 6, the second testing circuit comprises: the second photoelectrical coupler T2, divider resistance R2, divider resistance R4 and resistance R6; Wherein, the electrode input end of the second photoelectrical coupler T2 is connected with one end of the second protection module by divider resistance R2; and be connected to the positive pole of high-tension battery B; the negative input of the second photoelectrical coupler T2 is connected with the other end of the second protection module by divider resistance R4, and with cathode contact device S2 and load R
lthe other end connect; The collector electrode of the phototriode of the second photoelectrical coupler T2 is as the low-voltage signal Signal1 of the first output output as detection signal, first output of the second photoelectrical coupler T2 connects the positive pole+5V of low-tension supply by resistance R6, the emitter of the second photoelectrical coupler T2 is as the second output head grounding.
The high voltage connector fault detection method of above-mentioned testing circuit comprises step:
The electric current formed high-voltage signal flowing through positive contact device S1 is converted to corresponding low-voltage signal by the first signal conversion module, and is exported as detection signal Signal0 by its output by low-voltage signal; Receive positive contact device S1 " to open " or the operational order of " closing "; Whether Fisrt fault judge module, according to the detection signal Signal0 that positive contact device S1 exports when receiving the operational order of " opening " or " closing ", state transition occurs judges whether positive contact device S1 breaks down: if detection signal Signal0 there occurs state transition, then judge that positive contact device S1 does not break down; If state transition does not occur detection signal Signal0, then judge that positive contact device S1 there occurs fault, and the type of further failure judgement; Specifically as shown in table 2.
Equally, the electric current formed high-voltage signal flowing through cathode contact device S2 is converted to corresponding low-voltage signal by secondary signal modular converter, and is exported as detection signal Signal1 by its output by low-voltage signal; Receive cathode contact device S2 " to open " or the operational order of " closing "; Whether the second breakdown judge module, according to the detection signal Signal1 that cathode contact device S2 exports when receiving the operational order of " opening " or " closing ", state transition occurs judges whether cathode contact device S2 breaks down: if detection signal Signal1 there occurs state transition, then judge that cathode contact device S2 does not break down; If state transition does not occur detection signal Signal1, then judge that cathode contact device S2 there occurs fault, and the type of further failure judgement; Specifically as shown in table 3.
Table 2
Table 3
In such scheme, the first protection module and the second protection module for the protection of the testing circuit of correspondence, its by overvoltage protection and/or filtering protection to protect testing circuit.
Failure detection result in above-mentioned table 2 and table 3 by breakdown judge module according to above-mentioned high voltage connector fault detection method gained, breakdown judge module is according to the failure detection result in above-mentioned table 2 and table 3, export the corresponding fault-signal characterizing positive pole high voltage connector S1 and negative pole high voltage connector S2 fault, this fault-signal can be logic fault signal.Such as, in table 3 failure detection result be solder failure and open fault time, then breakdown judge module output logic signal 1, characterizing negative pole high voltage connector S2 has fault.Again such as, in table 3 during failure detection result fault-free, then breakdown judge module output logic signal 0, characterizes negative pole high voltage connector S2 fault-free.
It should be noted that above enumerate be only specific embodiment of the utility model, obvious the utility model is not limited to above embodiment, has many similar changes thereupon.If all distortion that those skilled in the art directly derives from content disclosed in the utility model or associates, protection range of the present utility model all should be belonged to.
Claims (16)
1. for the protection of an equipment for high-tension battery using electricity system, it is characterized in that, comprising:
Checkout gear, it has output and at least two in order to receive the signal input part of high voltage connector fault-signal, wherein, described at least two signal input parts are respectively used to receive the fault-signal characterizing positive pole high voltage connector fault and the fault-signal characterizing negative pole high voltage connector fault, described checkout gear is set to: described at least two signal input parts at least one of them receives described fault-signal time, export from described output and turn off operational order;
Contactor control switch, it is connected between described high voltage connector and described high voltage connector power supply, described control switch is also connected with the output of described checkout gear, with cutoff high contactor power supply after receiving described shutoff operational order to the power supply of high voltage connector.
2. as claimed in claim 1 for the protection of the equipment of high-tension battery using electricity system; it is characterized in that; described checkout gear is also connected with Vehicular battery management system; described at least two signal input parts at least one of them receives described fault-signal time; export no-operation instruction from described output, this no-operation instruction quits work for controlling high-tension battery.
3., as claimed in claim 1 for the protection of the equipment of high-tension battery using electricity system, it is characterized in that, described checkout gear comprises:
Control module, it has the input as the output of described checkout gear output and at least two signal input parts as checkout gear, described control module its at least two inputs at least one of them receives described fault-signal time, from its output export turn off operational order.
4., as claimed in claim 1 for the protection of the equipment of high-tension battery using electricity system, it is characterized in that, described fault-signal is logic fault signal.
5., as claimed in claim 4 for the protection of the equipment of high-tension battery using electricity system, it is characterized in that, described checkout gear comprises:
Logic sum gate, it has logical signal output and at least two logic signal input end as described at least two signal input parts, described logic sum gate its at least two logic signal input end at least one of them receives described logic fault signal time, from its logical signal output export characterize turn off operation logical operation signal;
Controller, its input is connected with the logical signal output of described logic sum gate, and the output of described controller is as the output of described checkout gear, and described controller exports described shutoff operational order after receiving described logical operation signal.
6. as claimed in claim 5 for the protection of the equipment of high-tension battery using electricity system, it is characterized in that, described controller adopts Vehicular battery management system to realize.
7., as claimed in claim 5 for the protection of the equipment of high-tension battery using electricity system, it is characterized in that, described controller is the peripheral control unit independent of Vehicular battery management system.
8. as claimed in claim 1 for the protection of the equipment of high-tension battery using electricity system; it is characterized in that; Vehicular battery management system detects the fault of positive pole high voltage connector and negative pole high voltage connector, and sends the described fault-signal characterizing positive pole high voltage connector fault and the described fault-signal characterizing negative pole high voltage connector fault.
9. as claimed in claim 1 for the protection of the equipment of high-tension battery using electricity system; it is characterized in that; also at least comprise two high voltage connector failure detectors; it is corresponding with described at least two signal input parts respectively connects, and described two high voltage connector failure detectors detect the fault of positive pole high voltage connector and negative pole high voltage connector respectively and send the described fault-signal characterizing positive pole high voltage connector fault and the described fault-signal characterizing negative pole high voltage connector fault respectively.
10., as claimed in claim 9 for the protection of the equipment of high-tension battery using electricity system, it is characterized in that, described high voltage connector failure detector comprises:
Testing circuit, it has input and output, the input of described testing circuit is connected with high voltage connector, and described testing circuit exports from the output of testing circuit after the electric current formed high-voltage signal flowing through described high voltage connector is converted to corresponding detection signal;
Breakdown judge module, it is connected with the output of described testing circuit, described breakdown judge module according to described high voltage connector when receiving the operational order of " opening " or " closing ", whether the detection signal detecting the output of described testing circuit there occurs state transition, whether there occurs fault to high voltage connector judge, and send the described fault-signal characterizing high voltage connector fault.
11. as claimed in claim 10 for the protection of the equipment of high-tension battery using electricity system; it is characterized in that; described testing circuit comprises: signal conversion module; its input is connected with high voltage connector; its output and breakdown judge model calling; after described high-voltage signal is converted to low-voltage signal by described signal conversion module, low-voltage signal is exported to described breakdown judge module as described detection signal by its output.
12. as claimed in claim 10 for the protection of the equipment of high-tension battery using electricity system, and it is characterized in that, described testing circuit comprises:
Signal conversion module, its input is connected with high voltage connector, and described signal conversion module exports after described high-voltage signal is converted to low-voltage signal;
Logic module output, its input is connected with the output of signal conversion module, the output of logic module output and described breakdown judge model calling, after low-voltage signal from signal conversion module is converted to logical signal by described logic module output, logical signal is exported to described breakdown judge module as described detection signal by its output.
13. as claimed in claim 12 for the protection of the equipment of high-tension battery using electricity system, and it is characterized in that, described signal conversion module comprises:
Photoelectrical coupler, its input is connected in series with described high voltage connector and high-tension battery by divider resistance, and the output of photoelectrical coupler exports described low-voltage signal as the output of described signal conversion module;
Low-tension supply, it is connected with the output of this photoelectrical coupler by resistance.
14. as the equipment for the protection of high-tension battery using electricity system in claim 1-13 as described in any one; it is characterized in that; described control switch is NPN triode; the base stage of described NPN triode is connected with the output of described checkout gear; the collector electrode of described NPN triode is connected with described high voltage connector power supply, and the emitter of described NPN triode is connected with described high voltage connector.
15. 1 kinds of vehicles, it has as the equipment for the protection of high-tension battery using electricity system in claim 1-13 as described in any one.
16. 1 kinds of vehicles, it has as claimed in claim 14 for the protection of the equipment of high-tension battery using electricity system.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183854A (en) * | 2016-07-22 | 2016-12-07 | 北京新能源汽车股份有限公司 | A kind of electrokinetic cell redundancy charge protection method for electric automobile and system |
| CN106300229A (en) * | 2015-05-19 | 2017-01-04 | 观致汽车有限公司 | A kind of for protecting equipment and the method for high-tension battery electricity system |
| CN106427583A (en) * | 2016-11-17 | 2017-02-22 | 天津易鼎丰动力科技有限公司 | Protection and control method for high voltage in electric vehicle |
-
2015
- 2015-05-19 CN CN201520320796.9U patent/CN204696641U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300229A (en) * | 2015-05-19 | 2017-01-04 | 观致汽车有限公司 | A kind of for protecting equipment and the method for high-tension battery electricity system |
| CN106300229B (en) * | 2015-05-19 | 2019-04-12 | 观致汽车有限公司 | It is a kind of for protecting the device and method of high-tension battery electricity system |
| CN106183854A (en) * | 2016-07-22 | 2016-12-07 | 北京新能源汽车股份有限公司 | A kind of electrokinetic cell redundancy charge protection method for electric automobile and system |
| CN106183854B (en) * | 2016-07-22 | 2018-09-11 | 北京新能源汽车股份有限公司 | A kind of power battery redundancy charge protection method and system for electric vehicle |
| CN106427583A (en) * | 2016-11-17 | 2017-02-22 | 天津易鼎丰动力科技有限公司 | Protection and control method for high voltage in electric vehicle |
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Denomination of utility model: A vehicle for protecting for high voltage battery electric system equipment with have this equipment Effective date of registration: 20170104 Granted publication date: 20151007 Pledgee: American quantum Corporation|Wuhu Chery Automobile Investment Co., Ltd. Pledgor: Ooros Automotive Co., Ltd. Registration number: 2016990001207 |
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