CN207381489U - Fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation - Google Patents
Fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation Download PDFInfo
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- CN207381489U CN207381489U CN201721476621.2U CN201721476621U CN207381489U CN 207381489 U CN207381489 U CN 207381489U CN 201721476621 U CN201721476621 U CN 201721476621U CN 207381489 U CN207381489 U CN 207381489U
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- Prior art keywords
- fuel cell
- monomer
- membrane electrode
- active compensation
- voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model is related to Fuel Cell Control technical fields, more particularly to a kind of fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation, it is corresponding in each membrane electrode monomer to add in independent Active Compensation control circuit and independent ultracapacitor monomer C1~Cn including managing control system by pem fuel cell stack in series n membrane electrode monomer E1~En and fuel cell；The fuel cell management control system sends control command data by communication bus to each Active Compensation control circuit, the each membrane electrode monomer operating voltage of each Active Compensation control circuit Real-time Balancing, and each membrane electrode monomer real-time working voltage is reported to management system.The present apparatus makes fuel cell pack monomer voltage balance, so as to alleviate fuel cell stack membrane electrode performance degradation, promote the fuel cell stack operation service life near best operating point.
Description
Technical field
The utility model is related to Fuel Cell Control technical fields more particularly to a kind of based on super capacitor Active Compensation
Fuel cell pack monomer voltage balancing device.
Background technology
Hydrogen fuel cell engine is with its distinctive fuel efficiency is high, environment is applicable in, reliability is high, noise is low, zero-emission
The advantages that putting and be concerned.Compared with internal-combustion engines vehicle, the discharge capacity of hydrogen fuel cell electric vehicle pernicious gas is reduced
99%, the growing amount of carbon dioxide reduces 75%, and cell power conversion efficiency is about 2.5 times of the efficiency of internal combustion engine.It is fired by hydrogen
Expect the demonstrating running of battery car, the critical material of discovery hydrogen fuel used for vehicle battery pile and the deterioration mode of component mainly have following
Four kinds:
(1) corrosion that proton exchange membrane electrode high potential caused by stopping causes catalyst carbon support is frequently started
(2) proton exchange membrane electrode current potential Xun Huan causes catalyst platinum particle coarsening caused by acceleration and deceleration repeatedly
(3) underrun causes proton exchange membrane to be decomposed
(4) the adjoint breathing of low-temperature circulating causes proton exchange membrane electrode mechanical damage
From the viewpoint of hydrogen fuel cell management system, the high electricity of proton exchange membrane electrode in above-mentioned deterioration mode (1) and (2)
Catalyst carbon support corrosion and platinum grain coarsening can pass through fuel cell pack and super capacitor caused by position and current potential cycle
Device integrates use to reduce, and under this integrated use configuration, h2 fuel cell stack can be under more stable operating potential
Operation, the problem of so as to alleviate vehicle frequent start-stop and repeatedly membrane electrode performance degradation caused by acceleration and deceleration.
At present, fuel cell pack integrates the technical solution used with ultracapacitor and is generally exported using in fuel cell pack
The method for holding super capacitors in parallel, it is mainly as follows that prior art patent discloses situation：
(1) " dynamical system that a kind of fuel battery engines are mixed with super capacitor " (CN1988319A)
(2) " startup sequence control method of fuel cell-super capacitor hybrid electric vehicle " (CN101420137A)
(3) " electric vehicle power source of fuel cell hybrid capacitor " (CN201058578Y)
(4) " fuel cell hybrid power source system " (CN101841182A)
(5) " on-vehicle fuel with super capacitor and the direct parallel power system of accumulator " (CN102700427A)
(6) " a kind of backup power system of fuel cell started based on super capacitor " (CN104092280A)
(7) " a kind of fuel cell electric vehicle power set with super capacitor " (CN105730256A)
(8) " a kind of fuel cell hybrid locomotive Energy Management System " (CN105904976A)
(9) " a kind of fuel cell system with super capacitor and lithium battery " (CN105811050A)
(10) " a kind of fuel cell electric vehicle power set with super capacitor " (CN205632147U)
Major defect existing for the above-mentioned technical solution used in fuel cell pack output terminal super capacitors in parallel for：Only
Compensation can be balanced to the output voltage of fuel cell pack entirety, and cannot accomplished to each membrane electrode monomer operating potential
Detection in real time and compensation, so as to also can not just realize the real-time accurate control to each membrane electrode monomer operating potential.Because matter
Proton exchange film fuel cell heap is formed by tens to hundreds of membrane electrodes are monomer series-connected, each membrane electrode monomer work electricity
Position can be influenced be subject to many factors such as the material of its body, fuel, temperature, pressure, humidity, so the list of each membrane electrode
Body running current potential is different from, especially under vehicle frequent start-stop and repeatedly acceleration and deceleration operating mode, this membrane electrode monomer work electricity
The real-time disequilibrium of position can be protruded more, can directly affect the overall work service life of fuel cell pack.
Its Patent (9) is employed is connected the lithium battery module formed and super-capacitor module and fuel by multiple lithium batteries
The technical solution that battery module is used cooperatively, it is 0.6V that the fuel cell module, which includes multiple direct currents and voltage of can generating,
Carbon plate, the lithium battery module includes the battery pack that is formed of being connected by multiple lithium batteries, and the multiple battery pack is in parallel to be formed
Lithium battery module, each described lithium battery are connected with a carbon plate, and each carbon plate in the fuel cell module is correspondence
Lithium battery power supply, the fuel cell module is connected in parallel with lithium battery module and super-capacitor module, what which provided
Each lithium battery is intended merely to have the characteristics of self-power supply the fuel cell system with the scheme that a carbon plate is connected, can not
Realize the real-time accurate control to each carbon plate monomer current potential.
Utility model content
The purpose of the utility model is to overcome the deficiency of above-mentioned technology, and provide a kind of based on super capacitor Active Compensation
Fuel cell pack monomer voltage balancing device.
The utility model to achieve the above object, using following technical scheme：
A kind of fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation, which is characterized in that including
Control system is managed by pem fuel cell stack in series n membrane electrode monomer E1~En and fuel cell,
In each membrane electrode monomer it is corresponding add in independent Active Compensation control circuit and independent ultracapacitor monomer C1~
Cn, each independent Active Compensation control circuit corresponding each membrane electrode monomer operating voltage of detection, and according to film in real time
The corresponding ultracapacitor monomer of mathematic interpolation between electrode monomer real-time voltage and optimal monomer voltage charges/puts in real time
Electric current values make fuel cell pack monomer voltage balance near best operating point；
The fuel cell management control system sends control command by communication bus to each Active Compensation control circuit
Data, management system can be according to the material of membrane electrode monomer, fuel, temperature, pressure, humidity actual operating mode data, in real time
Fuel cell pack monomer voltage best effort point data is calculated, each Active Compensation control electricity is given by issuing communication bus
Road, each Active Compensation control circuit remove each membrane electrode monomer of Real-time Balancing further according to the best effort point data of management system
Operating voltage, and each membrane electrode monomer real-time working voltage is reported to management system.
The beneficial effects of the utility model are:Using the method based on super capacitor Active Compensation, existing adopt is overcome
Each membrane electrode monomer real-time working electricity can not be accurately controlled in fuel cell pack output terminal super capacitors in parallel method
The technological deficiency of position, new method is according to the actual operating modes number such as the material of membrane electrode monomer, fuel, temperature, pressure, humidity
According to calculating fuel cell pack monomer voltage best effort point data in real time, can realize to each membrane electrode of fuel cell pack
Monomer real work current potential accurately controls the target of management in real time, so that each membrane electrode monomer potential balance of fuel cell pack
Near best operating point, can effectively alleviate it is actual it is automobile-used under the conditions of acceleration and deceleration operating mode is drawn because of frequent start-stop operating mode and repeatedly
Caused by the proton exchange membrane electrode high potential and membrane electrode current potential risen cycles the problem of h2 fuel cell stack life time decay, promoted
The fuel cell stack operation service life.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is fuel cell management system control method flow chart of steps in the utility model；
Fig. 3 is Active Compensation circuit control method flow chart of steps in the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment of the present utility model is described in detail in preferred embodiment.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more relevant Listed Items.The utility model is described in detail below in conjunction with the accompanying drawings
Concrete operating principle.
As shown in Figs. 1-3, a kind of fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation, including
Control system is managed by pem fuel cell stack in series n membrane electrode monomer E1~En and fuel cell,
In each membrane electrode monomer it is corresponding add in independent Active Compensation control circuit and independent ultracapacitor monomer C1~
Cn, each independent Active Compensation control circuit corresponding each membrane electrode monomer operating voltage of detection, and according to this in real time
The real-time monomer operating voltage of membrane electrode calculates the corresponding real-time charge/discharge current numerical value of ultracapacitor monomer, makes fuel
Battery pile monomer voltage is balanced near best operating point；The fuel cell management control system is by communication bus to each main
Dynamic compensation control circuit sends control command data, management system can according to the material of membrane electrode monomer, fuel, temperature, pressure,
Humidity actual operating mode data calculate fuel cell pack monomer voltage best effort point data in real time, by issuing communication
Bus gives each Active Compensation control circuit, and each Active Compensation control circuit is further according to the best effort point data of management system
The each membrane electrode monomer operating voltage of Real-time Balancing is gone, and each membrane electrode monomer real-time working voltage is reported to management system
System.By adding in independent Active Compensation control circuit and independent super in each membrane electrode monomer in a fuel cell stack
Capacitor monomer realizes the real-time accurate control to each membrane electrode monomer operating potential, puts down fuel cell pack monomer voltage
Weighing apparatus, so as to alleviate fuel cell stack membrane electrode performance degradation, promotes the fuel cell stack operation service life near best operating point.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (1)
1. a kind of fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation, which is characterized in that including by n
Pem fuel cell stack in series a membrane electrode monomer E1~En and fuel cell management control system, every
It is all corresponding in a membrane electrode monomer to add in independent Active Compensation control circuit and independent ultracapacitor monomer C1~Cn, often
A independent Active Compensation control circuit corresponding each membrane electrode monomer operating voltage of detection, and according to the membrane electrode in real time
Real-time monomer operating voltage calculates the corresponding real-time charge/discharge current numerical value of ultracapacitor monomer, makes fuel cell pack
Monomer voltage is balanced near best operating point；
The fuel cell management control system sends control command data by communication bus to each Active Compensation control circuit,
Management system can in real time be calculated according to the material of membrane electrode monomer, fuel, temperature, pressure, humidity actual operating mode data
Fuel cell pack monomer voltage best effort point data is controlled by issuing communication bus order and data to each Active Compensation
Circuit, each Active Compensation control circuit remove each membrane electrode list of Real-time Balancing further according to the best effort point data of management system
Body running voltage, and each membrane electrode monomer real-time working voltage is reported to management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476621.2U CN207381489U (en) | 2017-11-08 | 2017-11-08 | Fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476621.2U CN207381489U (en) | 2017-11-08 | 2017-11-08 | Fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381489U true CN207381489U (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721476621.2U Withdrawn - After Issue CN207381489U (en) | 2017-11-08 | 2017-11-08 | Fuel cell pack monomer voltage balancing device based on super capacitor Active Compensation |
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|---|---|
| CN (1) | CN207381489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887624A (en) * | 2017-11-08 | 2018-04-06 | 天津中德应用技术大学 | Fuel cell pack monomer voltage bascule and its control method based on super capacitor Active Compensation |
| CN108682880A (en) * | 2018-05-31 | 2018-10-19 | 天津中德应用技术大学 | Proton exchange membrane h2 fuel cell stack output protecting device and its control method |
-
2017
- 2017-11-08 CN CN201721476621.2U patent/CN207381489U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887624A (en) * | 2017-11-08 | 2018-04-06 | 天津中德应用技术大学 | Fuel cell pack monomer voltage bascule and its control method based on super capacitor Active Compensation |
| CN107887624B (en) * | 2017-11-08 | 2018-12-14 | 天津中德应用技术大学 | Fuel cell pack monomer voltage balancing device and its control method based on super capacitor Active Compensation |
| CN108682880A (en) * | 2018-05-31 | 2018-10-19 | 天津中德应用技术大学 | Proton exchange membrane h2 fuel cell stack output protecting device and its control method |
| CN108682880B (en) * | 2018-05-31 | 2023-04-18 | 天津中德应用技术大学 | Output protection device of proton exchange membrane hydrogen fuel cell stack and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180518 Effective date of abandoning: 20180615 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180518 Effective date of abandoning: 20181214 |
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| AV01 | Patent right actively abandoned |