CN208157536U - H2 fuel cell stack membrane electrode monomer voltage sync detection device - Google Patents
H2 fuel cell stack membrane electrode monomer voltage sync detection device Download PDFInfo
- Publication number
- CN208157536U CN208157536U CN201820575495.4U CN201820575495U CN208157536U CN 208157536 U CN208157536 U CN 208157536U CN 201820575495 U CN201820575495 U CN 201820575495U CN 208157536 U CN208157536 U CN 208157536U
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- cell stack
- membrane electrode
- monomer voltage
- electrode monomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a kind of h2 fuel cell stack membrane electrode monomer voltage sync detection devices,The technological deficiency of existing h2 fuel cell stack membrane electrode monomer voltage detection device and its method can be overcome,New method issues synchronous start pulse signal by h2 fuel cell stack main control unit,Simultaneously and concurrently trigger n membrane electrode monomer voltage detection unit,N membrane electrode monomer voltage data are simultaneously and concurrently acquired in synchronization,And by main control unit according to the index number of synchronization pulse by the operating temperature of membrane electrode monomer voltage data and the h2 fuel cell stack of synchronization,Hydrogen Vapor Pressure,The binding of the control parameters stringent synchronization such as oxygen pressure,It can be realized the function to the detection of h2 fuel cell stack membrane electrode monomer voltage precise synchronization,To reach the accurate calibrating to entire h2 fuel cell stack body and its management control system working condition.
Description
Technical field
The utility model belongs to electrical equipment and electrical engineering technical field, specifically using lock-out pulse triggering
Technical field, more particularly to a kind of h2 fuel cell stack membrane electrode monomer voltage sync detection device.
Background technique
With the development of fuel cell technology, hydrogen fuel cell gradually recognizes have extensively in backup power supply field by industry
Wealthy application prospect, it is considered to be replace the new energy for most having application prospect of battery and diesel-driven generator as backup power supply
Technology.
By the lasting research and development of last decade, proton exchange membrane hydrogen fuel cell is in energy efficiency, power density, cold-starting
Breakthrough is had been achieved in terms of equal functional characteristics, the hydrogen fuel cell industrialization tide of a new round is just approaching.
Proton exchange film hydrogen fuel cell power generation principle is similar with primary battery, but compared with primary battery and secondary cell, needs
Have a set of relative complex management control system, mainly includes fuel supply, oxidant supply, hydro-thermal management and automatically controlled list
The subsystems such as member.It in proton exchange membrane hydrogen fuel cell system, needs to control there are many key parameter, such as water parameter, confession
Hydrogen, oxygen supply parameter and temperature, pressure parameter etc., and these control parameters can be embodied from membrane electrode monomer voltage, film
Electrode monomer voltage reflects the working condition of entire h2 fuel cell stack and its management control system, by detecting membrane electrode list
Bulk voltage can not only find the unusual condition of h2 fuel cell stack and its management control system, and membrane electrode monomer in time
The harmony of voltage can directly reflect and influence performance and the service life of entire h2 fuel cell stack.
The desired output voltage Uo calculation formula of proton exchange film hydrogen fuel cell stack membrane electrode monomer is：
In above formulaThe respectively pressure of hydrogen, oxygen and vapor, Eo are h2 fuel cell stack membrane electrode
The ideal standard electromotive force of monomer, R are universal gas constant, and T is h2 fuel cell stack operating temperature, and F is Faraday constant.
It can be seen that by formula (1)：The numerical value of the output voltage Uo of h2 fuel cell stack membrane electrode monomer depends not only on
Membrane electrode ideal standard electromotive force Eo, and with h2 fuel cell stack work temperature, Hydrogen Vapor PressureOxygen pressureDeng
The numerical value of control variable is closely related, therefore it can be concluded that such as draws a conclusion：
The acquisition and detection of membrane electrode monomer voltage Uo data must be with the battery pile works of h2 fuel cell stack main control unit
Make temperature T, Hydrogen Vapor PressureOxygen pressureEtc. control parameters stringent synchronization, only by the number of membrane electrode monomer voltage Uo
According to battery pile work temperature, Hydrogen Vapor PressureOxygen pressureData accomplish synchronization in timing simultaneously and concurrently
Triggering collection is simultaneously bound, and the working condition of h2 fuel cell stack body and its management control system could be accurately examined and determine.
H2 fuel cell stack membrane electrode monomer voltage detection device and its method, usual earlier are isolated using difference amplifier
Method, voltage method are mainly realized using photoelectric relay partition method, battery pack monitor chip method at present.
The technological deficiency that above-mentioned 4 kinds of h2 fuel cell stacks membrane electrode monomer voltage detection device and its method are primarily present
For：Not by the control such as the acquisition of membrane electrode monomer voltage data and operating temperature, Hydrogen Vapor Pressure, the oxygen pressure of h2 fuel cell stack
Parameter stringent synchronization binding processed, can not accurately determine the working condition of h2 fuel cell stack body and its management control system.
About h2 fuel cell stack membrane electrode monomer voltage detection device and its prior art patent disclosure situation of method
It is main as follows：
(1) " a kind of vehicle fuel battery heap monolithic voltage monitor " (CN200410006242)；
(2) " a kind of monomer battery voltage measurement circuit of fuel cell pile " (CN201010141215)；
(3) " small-power fuel cell cell voltage data-logger " (CN201220267702)；
(4) " connector, monitoring device and the method for the monitoring of fuel cell pack monomer battery voltage "
(CN201410457421)；
(5) " the long-range Monitoring and control system of fuel cell " (CN201720585250)；
(6) " a kind of full-sized car fuel cell management system and method " (CN201611071930)；
(7) " detection method and detection device of proton exchange film fuel cell electric piling consistency "
(CN201410779579)；
(8) " a kind of hardware in loop fuel battery test system " (CN201410267608).
Utility model content
It is lacked to solve technology existing for above-mentioned h2 fuel cell stack membrane electrode monomer voltage detection device and its method
It falls into, the purpose of this utility model is to propose a kind of h2 fuel cell stack membrane electrode monomer voltage sync detection device.
To realize the purpose of this utility model, the utility model provides a kind of h2 fuel cell stack membrane electrode monomer voltage
Sync detection device, h2 fuel cell stack main control unit and n membrane electrode monomer voltage detection unit, the h2 fuel cell stack
Main control unit is networked by communication bus and n membrane electrode monomer voltage detection unit,
The fuel cell pack main control unit is used for the output port by h2 fuel cell stack main control unit to n film electricity
Pole monomer voltage detection unit sends synchronization pulse, wherein n is membrane electrode monomer populations in h2 fuel cell stack, is used
Lock-out pulse simultaneously and concurrently triggers n membrane electrode monomer voltage detection unit, and n membrane electrode monomer voltage detection data and same
The control parameter synchronous binding of the h2 fuel cell stack at one moment.
Wherein, the control parameter includes operating temperature, Hydrogen Vapor Pressure, oxygen pressure.
Wherein, the h2 fuel cell stack is in series by n membrane electrode monomer E1~En.
Compared with prior art, the beneficial effects of the utility model are, using h2 fuel cell stack membrane electrode monomer voltage
The device of synchronous detection, can overcome the technology of existing h2 fuel cell stack membrane electrode monomer voltage detection device and its method
Defect, new method issue synchronous start pulse signal by h2 fuel cell stack main control unit, simultaneously and concurrently trigger n membrane electrode list
Bulk voltage detection unit simultaneously and concurrently acquires n membrane electrode monomer voltage data in synchronization, and by main control unit according to
The index number of synchronization pulse by membrane electrode monomer voltage data and the operating temperature of the h2 fuel cell stack of synchronization,
The binding of the control parameters stringent synchronization such as Hydrogen Vapor Pressure, oxygen pressure, can be realized to h2 fuel cell stack membrane electrode monomer voltage
The function of precise synchronization detection, to reach to the accurate of entire h2 fuel cell stack body and its management control system working condition
Calibrating.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the application h2 fuel cell stack membrane electrode monomer voltage sync detection device；
Fig. 2 show the method flow signal of the application h2 fuel cell stack membrane electrode monomer voltage sync detection device
Figure；
Fig. 3 show the circuit diagram of the main control chip of the application monomer voltage detection unit；
Fig. 4 show the circuit diagram of the optocoupler AQW214 of the application monomer voltage detection unit；
Fig. 5 show the circuit diagram of the optocoupler TLX9304 of the application monomer voltage detection unit；
Fig. 6 show the circuit diagram of the difference amplifier INA149 of the application monomer voltage detection unit；
Fig. 7 show the circuit diagram of the analog-digital chip AD7321 of the application monomer voltage detection unit；
Fig. 8 show the circuit diagram of the CAN bus transceiver CTM1051KT of the application monomer voltage detection unit；
Fig. 9 show the CAN bus terminal coupling resistive circuit diagram of the application monomer voltage detection unit；
In figure, 1- h2 fuel cell stack, 2- pile output cathode, 3- pile output negative pole, 4- trigger pulse, 5- communication is always
Line.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also be intended to include plural form, additionally, it should be understood that, when in the present specification using belong to "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, component or module, component and/or their combination.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, being the example structure of the application h2 fuel cell stack membrane electrode monomer voltage sync detection device
Schematic diagram.Wherein, h2 fuel cell stack is in series by n membrane electrode monomer E1~En, and the application is used in each membrane electrode
All corresponding in monomer that independent monomer voltage detection unit is added, each independent monomer voltage detection unit real-time detection institute is right
The each membrane electrode monomer operating voltage answered, h2 fuel cell stack main control unit is responsible for the fuel supply of pile, oxidant is supplied,
The control functions such as hydro-thermal management, main control unit acquire operating temperature, the Hydrogen Vapor Pressure, oxygen of h2 fuel cell stack in real-time parallel
While the control parameters such as pressure, synchronization pulse can be sent to n membrane electrode monomer voltage detection unit, simultaneously and concurrently touched
N membrane electrode monomer voltage detection unit is sent out, the n membrane electrode list in synchronization real-time parallel acquisition h2 fuel cell stack
Bulk voltage data, and the work of the h2 fuel cell stack of collected n membrane electrode monomer voltage detection data and synchronization
The binding of the control parameters stringent synchronization such as temperature, Hydrogen Vapor Pressure, oxygen pressure, can be realized to h2 fuel cell stack membrane electrode monomer
The function of voltage precise synchronization detection, to reach to entire h2 fuel cell stack body and its management control system working condition
Accurate calibrating.
H2 fuel cell stack main control unit is realized and n membrane electrode monomer voltage detection unit networking function by communication bus
Can, each monomer voltage detection unit according to the index number of synchronization pulse by membrane electrode monomer voltage data be packaged and on
H2 fuel cell stack main control unit is offered, main control unit is further according to the lock-out pulse rope in the membrane electrode monomer voltage data received
Draw serial number, by the control parameters such as the operating temperature of h2 fuel cell stack, Hydrogen Vapor Pressure, oxygen pressure and membrane electrode monomer voltage number
It is bound according to stringent synchronization.
As shown in Fig. 2, being the example structure of the application h2 fuel cell stack membrane electrode monomer voltage synchronization detecting method
Schematic diagram.
Include the following steps：
(1) h2 fuel cell stack main control unit powers on；
(2) h2 fuel cell stack main control unit self-test；If normal, into next step；Otherwise it alarms；
(3) h2 fuel cell stack main control unit reads pile model and material data；
(4) judge whether pile runs, if operation, into next step；
(5) h2 fuel cell stack main control unit is while the control parameter of real-time parallel acquisition h2 fuel cell stack, meeting
Synchronization pulse is sent to n membrane electrode monomer voltage detection unit, simultaneously and concurrently triggers n membrane electrode monomer voltage detection
Unit, the n membrane electrode monomer voltage data in synchronization real-time parallel acquisition h2 fuel cell stack, and collected n
The control parameter synchronous binding of the h2 fuel cell stack of a membrane electrode monomer voltage detection data and synchronization.
(6) judge whether pile shuts down, if not shutting down, the step that reruns (5).
As shown in figs. 3-9, the h2 fuel cell stack membrane electrode monomer voltage sync detection device that is proposed by the application and
Monomer voltage detection cell circuit in its method；
Wherein, using DSPIC30F6014 digital signal controller as main control chip, the LED input side of optocoupler AQW214
It controls signal Ex+.CS and Ex-.CS to be generated by RG15 the and RC1 pin of DSPIC30F6014, by h2 fuel cell stack master control list
After optocoupler TLX9304 isolation, the SYN.IN signal of generation is input to the synchronization pulse SYN that member is sent
The RC2 pin of DSPIC30F6014, for simultaneously and concurrently triggering the optocoupler in membrane electrode monomer voltage detection cell circuit
The LED input side of AQW214 controls signal Ex+.CS and Ex-.CS.
OS1 the and OS2 pin of the isolation outlet side MOSFET of AQW214 is coupled with fuel cell stack membrane electrode monomer
Positive/negative plate Ex+ and Ex-, OD1 the and OD2 pin of MOSFET be coupled with difference amplifier INA149 input terminal IN+ and
The output of IN-, INA149 difference amplifier is connected to the VIN0 of analog-digital chip AD7321, AD7321 built-in chip type high speed SPI
Serial communication control, can directly with master controller DSPIC30F6014 chip interface, by the RG6 of DSPIC30F6014,
RG7, RG8 are respectively configured as SCLK, DOUT, DIN pin with AD7321 chip SPI serial communication, so that it may according to Ex+.CS
With the control signal sequence of Ex-.CS, the voltage change data between membrane electrode monomer Ex+ and Ex- is read.
The membrane electrode monomer voltage that main control chip DSPIC30F6014 in each monomer voltage detection cell circuit is read
Data communicate pin CAN.TX and CAN.RX by CAN bus, and it is logical to be sent to CAN using CAN bus transceiver CTM1051KT
It interrogates in bus, h2 fuel cell stack main control unit indexes sequence according to the lock-out pulse in the membrane electrode monomer voltage data received
Number, the control parameters such as the operating temperature of h2 fuel cell stack, Hydrogen Vapor Pressure, oxygen pressure and membrane electrode monomer voltage data are same
Step binding.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (3)
1. a kind of h2 fuel cell stack membrane electrode monomer voltage sync detection device, which is characterized in that h2 fuel cell stack master control
Unit and n membrane electrode monomer voltage detection unit, the h2 fuel cell stack main control unit pass through communication bus and n film electricity
The networking of pole monomer voltage detection unit,
The fuel cell pack main control unit is used for the output port by h2 fuel cell stack main control unit to n membrane electrode list
Bulk voltage detection unit sends synchronization pulse, wherein n is membrane electrode monomer populations in h2 fuel cell stack, using synchronization
N membrane electrode monomer voltage detection unit of impulsive synchronization parallel trigger, and n membrane electrode monomer voltage detection data and same a period of time
The control parameter synchronous binding of the h2 fuel cell stack at quarter.
2. h2 fuel cell stack membrane electrode monomer voltage sync detection device according to claim 1, which is characterized in that institute
Stating control parameter includes operating temperature, Hydrogen Vapor Pressure, oxygen pressure.
3. h2 fuel cell stack membrane electrode monomer voltage sync detection device according to claim 1, which is characterized in that institute
It is in series by n membrane electrode monomer E1~En to state h2 fuel cell stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575495.4U CN208157536U (en) | 2018-04-23 | 2018-04-23 | H2 fuel cell stack membrane electrode monomer voltage sync detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575495.4U CN208157536U (en) | 2018-04-23 | 2018-04-23 | H2 fuel cell stack membrane electrode monomer voltage sync detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157536U true CN208157536U (en) | 2018-11-27 |
Family
ID=64378789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820575495.4U Withdrawn - After Issue CN208157536U (en) | 2018-04-23 | 2018-04-23 | H2 fuel cell stack membrane electrode monomer voltage sync detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208157536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803049A (en) * | 2020-12-31 | 2021-05-14 | 上海神力科技有限公司 | Fuel cell membrane electrode weak sheet screening method based on operation warm-up working condition |
| CN116247248A (en) * | 2023-05-10 | 2023-06-09 | 北京新研创能科技有限公司 | Method and system for diagnosing health state of hydrogen fuel cell stack based on emission analysis |
-
2018
- 2018-04-23 CN CN201820575495.4U patent/CN208157536U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803049A (en) * | 2020-12-31 | 2021-05-14 | 上海神力科技有限公司 | Fuel cell membrane electrode weak sheet screening method based on operation warm-up working condition |
| CN112803049B (en) * | 2020-12-31 | 2022-09-23 | 上海神力科技有限公司 | Fuel cell membrane electrode weak sheet screening method based on operation warm-up working condition |
| CN116247248A (en) * | 2023-05-10 | 2023-06-09 | 北京新研创能科技有限公司 | Method and system for diagnosing health state of hydrogen fuel cell stack based on emission analysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104731044A (en) | Lithium battery pile dynamic monitoring and management system | |
| CN208157536U (en) | H2 fuel cell stack membrane electrode monomer voltage sync detection device | |
| CN204103509U (en) | A kind of generator connecting in parallel with system automatic sub-synchronous device | |
| CN102810909A (en) | Energy management method capable of matching distributed power sources with loads | |
| CN208078663U (en) | Distributed home energy-storage system | |
| CN103018678B (en) | Testing system of solid oxide fuel cell | |
| CN202501870U (en) | Comprehensive test analyzer for PEM fuel cell | |
| CN111381171A (en) | Micro-grid system based on fuel cell test and control method | |
| CN108418250A (en) | Distributed home energy-storage system | |
| CN109037740A (en) | H2 fuel cell stack membrane electrode monomer voltage sync detection device and its method | |
| CN202190107U (en) | Cell management system in energy storage power station | |
| CN105474572B (en) | The synchronous method of communication system and unit with synchronous unit | |
| CN102306941B (en) | Battery pack capacity coupling method and battery pack capacity coupling apparatus | |
| CN108682880B (en) | Output protection device of proton exchange membrane hydrogen fuel cell stack and control method thereof | |
| CN105044440A (en) | Fuel cell monolithic voltage inspection system based on LTC6803 | |
| JP2022519956A (en) | Battery test system | |
| CN203587700U (en) | Internal resistance online detection device for parallelly-connected storage battery | |
| TWI628890B (en) | Synchronous control system architecture to improve energy efficiency | |
| CN103605000A (en) | Method for online detecting internal resistance of storage batteries connected in parallel | |
| CN104052116A (en) | Uninterrupted power system for lithium ion battery | |
| CN205070454U (en) | Waste incineration power plant's photovoltaic power generation system | |
| CN102621498A (en) | Online monitoring system for variable-pitch battery pack of wind-driven generator | |
| CN204945219U (en) | A kind of single voltage detecting system for feul cells based on LTC6803 | |
| CN102375108B (en) | Reliability analysis method for transformer neutral current suppression device | |
| CN211351728U (en) | Bus type super capacitor module management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181127 Effective date of abandoning: 20190509 |
|
| AV01 | Patent right actively abandoned |