CN205176232U - Battery running state's monitoring devices and fuel cell - Google Patents
Battery running state's monitoring devices and fuel cell Download PDFInfo
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- CN205176232U CN205176232U CN201520812671.8U CN201520812671U CN205176232U CN 205176232 U CN205176232 U CN 205176232U CN 201520812671 U CN201520812671 U CN 201520812671U CN 205176232 U CN205176232 U CN 205176232U
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- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000010606 normalization Methods 0.000 claims abstract description 21
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- 230000008034 disappearance Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
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- 238000010168 coupling process Methods 0.000 description 3
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Abstract
The utility model discloses a battery running state's monitoring devices and fuel cell. Wherein, the device includes: a ware and state judgement ware are returned to battery status monitor, state, and wherein, the battery status monitor returns ware electricity to be connected with the state for gather the voltage of at least a lesson battery, a ware is returned to the state, is connected with battery status monitor electricity for the voltage of the at least a lesson battery of normalization, the state judgement ware returns ware electricity to be connected with the state for confirm the at least a lesson battery after the normalization voltage carry out state judgement. The utility model provides a because the monitor message disappearance of monitoring module feedback leads to the monitoring module to the unsafe technical problem of fuel cell running state's judgement.
Description
Technical field
The utility model relates to energy source use technical field, in particular to a kind of monitoring device and fuel cell of battery operation state.
Background technology
In existing power supply energy storage device, fuel cell a kind ofly adopts on-fuel mode to be the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electric energy by chemical energy, due to the restriction not by Carnot cycle, its direct generation of electricity efficiency can reach 45%, cogeneration efficiency can reach more than 90%, can be widely used in multiple fields such as standby power supply, distributed power station and automobile power.Kinds of fuel cells is more, and wherein, Proton Exchange Membrane Fuel Cells has that current density is large, specific power is high and room temperature the advantage such as can to start fast, has very high development potentiality.
In the related, fuel pile pond by more piece monocell by being composed in series, in actual use, single battery may occur that running status is not normal due to various accidentalia, thus causes because single battery running status restricts the stable operation of whole fuel cell pack.In running state monitoring module in the monitoring module of relevant fuel cell pack, generally include condition monitoring submodule and condition adjudgement submodule two parts, wherein, condition adjudgement submodule by comparing the real-time performance of different single battery, thus carries out running status judgement.But can there is randomness decay in single battery, relevant monitoring module cannot be monitored the random decay of single battery, and then the monitor message causing monitoring module to feed back is not comprehensive, thus reduce the service efficiency of fuel cell pack.
For the above-mentioned monitor message disappearance due to monitoring module feedback, cause the inaccurate problem of the judgement of monitoring module to fuel cell operation state, not yet propose effective solution at present.
Utility model content
The utility model embodiment provides a kind of monitoring device and fuel cell of battery operation state, at least to solve the monitor message disappearance due to monitoring module feedback, causes the inaccurate technical matters of the judgement of monitoring module to fuel cell operation state.
According to an aspect of the utility model embodiment, provide a kind of monitoring device of battery operation state, comprising: battery status monitors, state normalizing device and state judging, wherein, battery status monitors, is electrically connected with state normalizing device, for gathering the voltage of at least one batteries; State normalizing device, is electrically connected with battery status monitors, for the voltage of at least one batteries of normalization; State judging, is electrically connected with state normalizing device, for determining the running status of the voltage of at least one batteries after normalization.
According to the another aspect of the utility model embodiment, additionally provide a kind of fuel cell, comprising: the device of battery operation status monitoring, wherein, the device of this battery operation status monitoring is the device of above-mentioned battery operation status monitoring.
In the utility model embodiment, by adding state normalizing device between battery status monitors and state judging, reach and ensure different battery each stage in the cycle of operation, battery status monitors still still keeps the object of the duty of efficient stable, thus achieve the technique effect of the service efficiency promoting fuel cell pack, and then the monitor message disappearance solved due to monitoring module feedback, cause the inaccurate technical matters of the judgement of monitoring module to fuel cell operation state.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the monitoring device of battery operation state according to the utility model embodiment;
Fig. 2 is the structural representation of the monitoring device of a kind of battery operation state according to the utility model embodiment;
Fig. 3 is the structural representation of the monitoring device of another kind of battery operation state according to the utility model embodiment; And,
Fig. 4 is the structural representation of a kind of fuel cell according to the utility model embodiment.
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in instructions of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment one
The monitoring device of a kind of battery operation state that the embodiment of the present application provides goes for fuel cell, this fuel cell a kind ofly adopts on-fuel mode to be the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electric energy by chemical energy, due to the restriction not by Carnot cycle, its direct generation of electricity efficiency can reach 45%, cogeneration efficiency can reach more than 90%, can be widely used in multiple fields such as standby power supply, distributed power station and automobile power.Kinds of fuel cells is more, and wherein, Proton Exchange Membrane Fuel Cells has that current density is large, specific power is high and room temperature the advantage such as can to start fast, has very high development potentiality.
According to the utility model embodiment, provide a kind of device embodiment of monitoring device of battery operation state, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 1 is the structural representation of the monitoring device of battery operation state according to the utility model embodiment, and as shown in Figure 1, this device comprises: battery status monitors 12, state normalizing device 14 and state judging 16, wherein,
Battery status monitors 12, is electrically connected with state normalizing device 14, for gathering the voltage of at least one batteries;
State normalizing device 14, is electrically connected with battery status monitors 12, for the voltage of at least one batteries of normalization;
State judging 16, is electrically connected with state normalizing device 14, for determining the running status of the voltage of at least one batteries after normalization.
Wherein, the monitoring device of the battery operation state provided in the embodiment of the present application goes in the fuel cell pack be made up of more piece fuel cell, battery status monitors 12, state normalizing device 14 and state judging 16 are in the mode of electrical connection, the voltage of at least one batteries in fuel cell pack is gathered by battery monitor 12, by the voltage of this at least one batteries of state normalizing device 14 normalization, finally, the running status of the voltage of at least one batteries after normalization is determined by state judging 16.
The voltage of the battery that following the embodiment of the present application proposes all is expressed as the voltage of fuel cell.
Concrete, suppose V
i (t)represent the actual measurement voltage of current t i-th batteries being measured gained by battery status monitors 12,
represented the history average voltage in a upper moment of identical service condition (same current density, temperature, humidity, reaction gas inlet stoichiometric number etc.), then the single battery voltage after the normalization of state normalizing device 14 is calculated as
finally, by the state judging 16 be electrically connected with state normalizing device 14, the running status of the voltage of at least one batteries after normalization is determined.
The monitoring device of the battery operation state that the embodiment of the present application provides, by adding state normalizing device 14 between battery status monitors 12 and state judging 16, reach and ensure different battery each stage in the cycle of operation, battery status monitors still still keeps the object of the duty of efficient stable, thus achieve the technique effect of the service efficiency promoting fuel cell pack, and then the monitor message disappearance solved due to monitoring module feedback, cause the inaccurate technical matters of the judgement of monitoring module to fuel cell operation state.
As from the foregoing, the normalized of the voltage of at least one batteries collected by state normalizing device 14 pairs of battery status monitors 12, namely, the pre-service of running status has been carried out to every batteries, finally the data after normalization are transferred to state judging 16, judged according to the running status of the normalized value of at least one batteries to every batteries by this state judging 16, namely, when carrying out condition adjudgement, can only be judged by the normalized value of single battery, according to the normalized value considering multiple batteries, the batteries in fuel cell pack can also be judged.Due in correlation technique, lack the step to every batteries normalized, made, supposed that the voltage of the battery in fuel cell pack is V
1, but in same battery pile, the voltage of other batteries is V
2, V
1< V
2, the monitoring module in correlation technique will judge that voltage is as V
1battery operation abnormal, but in fact, might not operation exception be there is in this battery, so compare the monitoring device of the battery operation state that the embodiment of the present application provides, by the voltage of the every batteries of normalization, information is judged accurately for state judging 16 provides, the inaccurate phenomenon of the judgement that the disappearance of having evaded the monitor message existed in correlation technique causes occurs, further, the monitoring device of the battery operation state provided by the embodiment of the present application, avoid the unnecessary consumption of the fuel cell pack inner fuel caused due to the process of monitoring module in correlation technique to operation exception battery, extend the serviceable life of fuel cell pack, improve the service efficiency of fuel cell pack.
Preferably, Fig. 2 is the structural representation of the monitoring device of a kind of battery operation state according to the utility model embodiment, and as shown in Figure 2, state normalizing device 14 comprises: voltage register 141, average voltage counter 142, arithmetical unit 143 and normalized voltage register 144, wherein
Voltage register 141, for gathering the voltage of at least one batteries;
Average voltage counter 142, is electrically connected with voltage register, for calculating the average voltage of at least one batteries in Preset Time;
Arithmetical unit 143, is electrically connected with voltage register 141 and average voltage counter 142 respectively, presetting computing, obtaining the voltage after at least one batteries normalization for performing the voltage of at least one batteries and the average voltage of at least one batteries;
Normalized voltage register 144, is electrically connected with arithmetical unit 143, for gathering the voltage after at least one batteries normalization.
Concrete, state normalizing device 14 is in the process of the voltage of at least one batteries of normalization, the voltage of at least one batteries is gathered by voltage register 141, and the average voltage of at least one batteries in Preset Time is calculated by average voltage counter 142, the average voltage of at least one batteries in Preset Time that the voltage of at least one batteries gathered by arithmetical unit 143 pairs of voltage register 141 and average voltage counter 142 calculate, obtain the voltage after at least one batteries normalization, finally stored by the voltage after normalized voltage register 144 gathers at least one batteries normalization.
Further, preferably, voltage register 141 is the voltage register of corresponding at least one batteries.
Further, preferably, average voltage counter 142 is the average voltage counter of corresponding at least one batteries.
Preferably, Fig. 3 is the structural representation of the monitoring device of another kind of battery operation state according to the utility model embodiment, as shown in Figure 3, average voltage counter 142 comprise following one of at least: the first average voltage counter 1421, second average voltage counter 1422 or tertiary voltage average calculator 1423, wherein
First average voltage counter 1421, for calculating the sample of at least one batteries in Preset Time, obtains the average voltage of at least one batteries in Preset Time;
Here average voltage counter 142 can calculate by the first average voltage counter 1421 sample calculating at least one batteries in Preset Time on calculating history average voltage, obtains the average voltage of at least one batteries in Preset Time, specific as follows:
Wherein, N represents the total sample number (under being generally identical service condition nearest N non-fault test result) that seeking time is average.
Or,
Second average voltage counter 1422, for passing through sample collection, the voltage of the average voltage of the N-1 batteries gathered in advance within the t-1 time period and N number of batteries is sued for peace, and by try to achieve and ask business with total number of samples, obtain the average voltage of at least one batteries in Preset Time, N is natural number;
In specific implementation, average voltage counter 142 is in order to reduce storage to hardware and computation burden, also sample collection can be passed through by the second average voltage counter 1422, the voltage of the average voltage of the N-1 batteries gathered in advance within the t-1 time period and N number of batteries is sued for peace, and by try to achieve and ask business with total number of samples, obtain the average voltage of at least one batteries in Preset Time, specific as follows:
Wherein,
represent the average voltage of current t i-th batteries,
represented the average voltage in a upper moment of identical service condition, V
i (t)represent the actual measurement voltage of current time i-th batteries.
Or,
Tertiary voltage average calculator 1423, for calculating the average voltage of at least one batteries in Preset Time according to default weighted value.
In specific implementation process, in specific implementation, average voltage counter 142 can also be regulated by tertiary voltage average calculator 1423 pairs of weights, according to the average voltage presetting weighted value calculating at least one batteries in Preset Time, specific as follows:
Wherein,
represent the average voltage of current t i-th batteries,
represented the average voltage in a upper moment of identical service condition, V
i (t)represent the actual measurement voltage of current time i-th batteries.α is weight factor, can between 0 to 1 value.
Further, preferably, arithmetical unit 143 is the arithmetical unit of corresponding at least one batteries.
Further, preferably, normalized voltage register 144 is the normalized voltage register of corresponding at least one batteries.
As from the foregoing, the embodiment of the present application by adding state normalizing device 14 between battery status monitors 12 and state judging 16, thus ensures different pile, and in the different phase of life cycle, pile monitoring module all can efficient stable work.The embodiment of the present application can improve the applicability of monitoring device in battery pile life cycle of battery operation state, thus improves performance and the life-span of battery pile and system.
Embodiment two
According to the utility model embodiment, provide a kind of fuel cell, Fig. 4 is the structural representation of a kind of fuel cell according to the utility model embodiment, as shown in Figure 4, comprise: the monitoring device 41 of battery operation state, wherein, the monitoring device of the device 41 of battery operation status monitoring shown battery operation state as arbitrary in Fig. 1 to Fig. 3.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that the technical solution of the utility model contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the utility model.And aforesaid storage medium comprises: USB flash disk, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a monitoring device for battery operation state, is characterized in that, comprising: battery status monitors, state normalizing device and state judging, wherein,
Described battery status monitors, is electrically connected with described state normalizing device, for gathering the voltage of at least one batteries;
Described state normalizing device, is electrically connected with described battery status monitors, for the voltage of batteries at least one described in normalization;
Described state judging, is electrically connected with described state normalizing device, for determining the running status of the voltage of the described at least one batteries after normalization.
2. device according to claim 1, is characterized in that, described state normalizing device comprises:
Voltage register, for gathering the voltage of described at least one batteries;
Average voltage counter, is electrically connected with described voltage register, for calculating the average voltage of described at least one batteries in Preset Time;
Arithmetical unit, is electrically connected with described voltage register and described average voltage counter respectively, presetting computing, obtaining the voltage after described at least one batteries normalization for performing the voltage of described at least one batteries and the average voltage of described at least one batteries;
Normalized voltage register, is electrically connected with described arithmetical unit, for gathering the voltage after described at least one batteries normalization.
3. device according to claim 2, is characterized in that, described voltage register is the voltage register of corresponding described at least one batteries.
4. device according to claim 2, is characterized in that, described average voltage counter is the average voltage counter of corresponding described at least one batteries.
5. device according to claim 4, is characterized in that, described average voltage counter comprise following one of at least:
First average voltage counter, for calculating the sample of described at least one batteries in described Preset Time, obtains the average voltage of described at least one batteries in described Preset Time; Or,
Second average voltage counter, for passing through sample collection, the voltage of the average voltage of the N-1 batteries gathered in advance within the t-1 time period and N number of batteries is sued for peace, and by try to achieve and ask business with total number of samples, obtain the average voltage of described at least one batteries in described Preset Time, N is natural number; Or,
Tertiary voltage average calculator, for calculating the average voltage of described at least one batteries in Preset Time according to default weighted value.
6. device according to claim 2, is characterized in that, described arithmetical unit is the arithmetical unit of corresponding described at least one batteries.
7. device according to claim 2, is characterized in that, described normalized voltage register is the normalized voltage register of corresponding described at least one batteries.
8. a fuel cell, is characterized in that, comprising: the monitoring device of battery operation state, wherein, and the monitoring device of the battery operation state of monitoring device according to any one of claim 1 to 7 of described battery operation state.
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| CN201520812671.8U CN205176232U (en) | 2015-10-19 | 2015-10-19 | Battery running state's monitoring devices and fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581015A (en) * | 2021-06-08 | 2021-11-02 | 北京科技大学 | Safety early warning method and device for fuel cell system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581015A (en) * | 2021-06-08 | 2021-11-02 | 北京科技大学 | Safety early warning method and device for fuel cell system |
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Effective date of registration: 20180529 Address after: 611731 18 West core road, hi-tech West District, Chengdu, Sichuan Patentee after: Dongfang Electric Co., Ltd. Address before: 611731 18 West core road, hi-tech West District, Chengdu, Sichuan Patentee before: Dongfang Electric Corporation |
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Effective date of registration: 20190322 Address after: 610097 No. 18 Xixin Avenue, Chengdu High-tech Zone, Sichuan Province Patentee after: Dongfang Electric (Chengdu) Hydrogen Fuel Cell Technology Co., Ltd. Address before: 611731 18 West core road, hi-tech West District, Chengdu, Sichuan Patentee before: Dongfang Electric Co., Ltd. |
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