CN201508407U - Fuel cell stack voltage monitoring and diagnosing device - Google Patents
Fuel cell stack voltage monitoring and diagnosing device Download PDFInfo
- Publication number
- CN201508407U CN201508407U CN2009200163484U CN200920016348U CN201508407U CN 201508407 U CN201508407 U CN 201508407U CN 2009200163484 U CN2009200163484 U CN 2009200163484U CN 200920016348 U CN200920016348 U CN 200920016348U CN 201508407 U CN201508407 U CN 201508407U
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- fuel cell
- voltage
- cell stack
- stack voltage
- measurement
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- Expired - Fee Related
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Abstract
The utility model relates to a fuel cell stack voltage monitoring and diagnosing device which comprises a 121 needle vehicle-used connector, a measurement wire bundle and a fuel cell stack voltage measurement unit, wherein one end of the measurement wire bundle is respectively connected with an even electrode plate of a fuel cell stack or a trimerous electrode plate, and the other end of the measurement wire bundle is connected with the fuel cell stack voltage measurement unit through the 121 needle vehicle-used connector; the fuel cell stack voltage measurement unit is used for detecting the voltage information of each measurement point transmitted by the 121 needle vehicle-used connector, comparing the average voltage of the fuel cell stack and the voltage information of each measurement point and determining whether the voltage of a cell at each measurement point is normal. The fuel cell stack voltage monitoring and diagnosing device can achieve the voltage measurement and the diagnosis of the automobile fuel cell and has the advantages of low realization cost, simple structure, safety, reliability and the like.
Description
Technical field
The utility model belongs to fuel cell field, particularly the voltage monitor of on-vehicle fuel.
Background technology
Fuel cell car is normally monitored every batteries voltage of fuel cell pack the monitoring of fuel cell stack operation state at present.
To the monitoring of the fuel cell stack operation state of fuel cell car, there is following shortcoming in the prior art:
1) general fuel cell pack has joint cells up to a hundred to be composed in series, the method for a joint one inspection, and the voltage measurement line is very many, not only increases material and production cost, and too much slotted line can reduce the reliability of total system;
2) monitor at present fuel cell stack voltage patrol and examine with the fuel cell stack voltage measuring unit between usually adopt hyperchannel D type interconnecting devices to link to each other with winding displacement, the connector of this scheme is difficult to satisfy antidetonation and water proof and dust proof requirement.
Summary of the invention
The purpose of this utility model is the shortcoming that exists in the prior art in order to overcome, and a kind of fuel cell stack voltage monitoring device of fuel cell car is provided, and satisfies the requirement to the monitoring of vehicle fuel battery heap.The technical solution of the utility model is: a kind of fuel cell stack voltage monitoring diagnosis device, comprise 121 sewing machine connectors, measure wire harness and fuel cell stack voltage measuring unit, the fuel cell stack voltage measuring unit is measured the information of voltage of fuel cell pack average voltage and each measurement point and is judged whether the voltage of measurement point is normal, an end that it is characterized in that described measurement wire harness is connected with the even number pole plate of fuel cell pack or 3 multiple pole plate respectively, constitute each measurement point of fuel cell pack, measure the wire harness other end and be connected with the fuel cell stack voltage measuring unit with connector by described 121 sewing machines, the fuel cell stack voltage measuring unit makes a determination to the voltage of measurement point.The fuel cell stack voltage measuring unit is judged the voltage of measurement point battery, is voltage and the fuel cell pack single battery average voltage that the fuel cell stack voltage measuring unit compares and measures a battery.Detection diagnostic procedure of the present utility model is: the fuel cell stack voltage measuring unit detects the information of voltage of 121 sewing machines with each next measurement point of connector transmission, according to detection joint number and the alarm voltage set, carries out one inspection of two joints or one inspection of three joints respectively.
One inspection of two joints is that the voltage and the fuel cell pack single battery average voltage of the i batteries that will detect compared, if be lower than the setting alarm voltage, then sends warning, if be not less than the setting alarm voltage, then return and continues postorder and judge;
One inspection of three joints is that the voltage and the fuel cell pack single battery average voltage of the i batteries that will detect compared, if be lower than the setting alarm voltage, then sends warning, if be not less than the setting alarm voltage, then return and continues postorder and judge.
Device of the present utility model is to utilize 121 sewing machines to adopt respectively to vehicle fuel battery heap two joints or three modes that economize on electricity is pressed and total voltage is monitored with connector, it is the multiple pole plate welding of the corresponding even number pole plate of wire harness one end and fuel cell pack or 3, the other end links to each other with the automobile-used 121 core connectors of fuel cell stack voltage measuring unit, fuel cell stack voltage measuring unit circulatory monitoring is also analyzed each two joint of fuel cell pack ((voltage range 0～3.6V) voltage and cell stack total voltage information is determined the running status of fuel cell pack for scope 0～2.4V) or three joints.
The utlity model has following advantage:
1) adopts the automobile-used connector of 121 cores, satisfied that vehicle fuel battery heap more piece is measured and the harsh requirement of reliability;
2) adopt the measurement scheme of two joints or three joints to significantly reduce fuel cell pack, lowered the material cost and the processing charges of system, can improve the reliability of system simultaneously measuring the requirement of wire harness quantity;
3) adopt the measurement scheme of two joints or three joints, can reduce the measure dot number of fuel cell stack voltage measuring unit greatly, can significantly reduce the hardware complexity of voltage measurement unit, further improve the reliability of system and reduce the material and the processing cost of system;
4) method that adopts measuring voltage and average voltage to compare reaches a certain setting value if measuring voltage is lower than average voltage, thinks that then the fuel battery voltage of corresponding joint number of measurement is unusual, sends warning.Method is safe and reliable.
Description of drawings
The utility model has accompanying drawing 3 width of cloth, wherein,
Fig. 1 is the measuring principle figure of vehicle fuel battery heap two joints one inspection,
Fig. 2 is the measuring principle figure of vehicle fuel battery heap three joints one inspection.
Fig. 3 is a fuel cell stack voltage measuring unit initialize program FB(flow block).
In the accompanying drawing:
101: fuel cell pack
201: measure wire harness
The automobile-used connector of 301:121 core
401: the fuel cell stack voltage measuring unit
501: voltage sensor
Embodiment
The utility model is described in further detail below in conjunction with embodiment that accompanying drawing provides.
Accompanying drawing 1 is the embodiment of two joints, one inspection, and the detection voltage range is 0～2.4V.An end of measuring wire harness is connected with the even number pole plate of fuel cell pack respectively, measuring the wire harness other end is connected with the fuel cell stack voltage measuring unit with connector by described 121 sewing machines, the fuel cell stack voltage measuring unit detects the information of voltage of 121 sewing machines with each next measurement point of connector transmission, obtains the adjacent voltage difference of the even number pole plate of fuel cell pack.Measuring voltage and average voltage are compared, and when the voltage of a joint of measuring or multiple batteries was lower than average voltage and reaches preset value, the fuel cell stack voltage measuring unit judged that the fuel battery voltage of the corresponding joint number of measuring is unusual, sends warning.Fuel cell stack voltage measuring unit circulatory monitoring is also analyzed each two economize on electricity of fuel cell pack and is pressed and cell stack total voltage information, determines the running status of fuel cell pack.
Accompanying drawing 2 is embodiment of three joints, one inspection.The detection voltage range is 0～3.6V.An end of measuring wire harness is connected with 3 multiple pole plate of fuel cell pack respectively, measuring the wire harness other end is connected with the fuel cell stack voltage measuring unit with connector by described 121 sewing machines, the fuel cell stack voltage measuring unit detects the information of voltage of 121 sewing machines with each next measurement point of connector transmission, obtains the adjacent voltage difference of the even number pole plate of fuel cell pack.Measuring voltage and average voltage are compared, and when the voltage of a joint of measuring or multiple batteries was lower than average voltage and reaches preset value, the fuel cell stack voltage measuring unit judged that the fuel battery voltage of the corresponding joint number of measuring is unusual, sends warning.Fuel cell stack voltage measuring unit circulatory monitoring is also analyzed each three economize on electricity of fuel cell pack and is pressed and cell stack total voltage information, determines the running status of fuel cell pack.
Claims (1)
1. fuel cell stack voltage monitoring diagnosis device, comprise 121 sewing machine connectors, measure wire harness and fuel cell stack voltage measuring unit, the fuel cell stack voltage measuring unit is measured the information of voltage of fuel cell pack average voltage and each measurement point and is judged whether the voltage of measurement point is normal, an end that it is characterized in that described measurement wire harness is connected with the even number pole plate of fuel cell pack or 3 multiple pole plate respectively, constitute each measurement point of fuel cell pack, measure the wire harness other end and be connected with the fuel cell stack voltage measuring unit with connector by described 121 sewing machines, the fuel cell stack voltage measuring unit makes a determination to the voltage of measurement point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200163484U CN201508407U (en) | 2009-08-14 | 2009-08-14 | Fuel cell stack voltage monitoring and diagnosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200163484U CN201508407U (en) | 2009-08-14 | 2009-08-14 | Fuel cell stack voltage monitoring and diagnosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508407U true CN201508407U (en) | 2010-06-16 |
Family
ID=42469534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200163484U Expired - Fee Related CN201508407U (en) | 2009-08-14 | 2009-08-14 | Fuel cell stack voltage monitoring and diagnosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672897B (en) * | 2009-08-14 | 2011-10-26 | 新源动力股份有限公司 | Voltage monitoring and diagnosing device and method of fuel cell stack |
| CN103901250A (en) * | 2012-12-31 | 2014-07-02 | 上海大郡动力控制技术有限公司 | Vehicle-mounted storage battery voltage detecting and processing method |
-
2009
- 2009-08-14 CN CN2009200163484U patent/CN201508407U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672897B (en) * | 2009-08-14 | 2011-10-26 | 新源动力股份有限公司 | Voltage monitoring and diagnosing device and method of fuel cell stack |
| CN103901250A (en) * | 2012-12-31 | 2014-07-02 | 上海大郡动力控制技术有限公司 | Vehicle-mounted storage battery voltage detecting and processing method |
| CN103901250B (en) * | 2012-12-31 | 2017-11-28 | 上海大郡动力控制技术有限公司 | Vehicular accumulator cell voltage detecting and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20120814 |