CN102729835A - Vehicle-mounted supercapacitor management system and method - Google Patents
Vehicle-mounted supercapacitor management system and method Download PDFInfo
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- CN102729835A CN102729835A CN2012101824438A CN201210182443A CN102729835A CN 102729835 A CN102729835 A CN 102729835A CN 2012101824438 A CN2012101824438 A CN 2012101824438A CN 201210182443 A CN201210182443 A CN 201210182443A CN 102729835 A CN102729835 A CN 102729835A
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention relates to a vehicle-mounted supercapacitor management system and method. The capacitor management system comprises a voltage detection module, a temperature detection module, a controller and an alarm module, wherein the output ends of the voltage detection module and the temperature detection module are connected with the input end of the controller; the input ends of the voltage detection module and the temperature detection module are used for being connected with various capacitor modules in a vehicle-mounted capacitor; the output end of the controller controls and is connected with the alarm module; and a comparison unit is arranged in the controller and is used for detecting whether the capacitor modules in the vehicle-mounted capacitor have the problems of overvoltage, overtemperature, extremely high voltage difference or extremely high temperature difference. The capacitor management system can alarm when the vehicle-mounted capacitor has the problems of overvoltage, overtemperature, extremely high voltage difference or extremely high temperature difference, and a driver is prompted to timely take measures; and therefore, the consistency, safety and reliability of the vehicle-mounted capacitor are guaranteed, the service life of the vehicle-mounted capacitor is prolonged, and the cost is reduced.
Description
Technical field
The present invention relates to a kind of vehicle-mounted super capacitance management system and method, belong to new forms of energy vehicle technology field.
Background technology
In the existing auto-industry, fuel vehicle still accounts for absolute majority.Yet the extensive application of fuel-engined vehicle has caused the crisis of serious environmental pollution, global warming and human survival; Because the extensive application of fuel-engined vehicle has caused successively decreasing rapidly of earth oil resources, thus final exhausted.Therefore, the development of new-energy automobile is imperative.In new-energy automobile, no matter be pure electronic or motor vehicle driven by mixed power, mostly be use with as propulsion source with electrokinetic cell, fuel cell, super capacitor or both, with the electrical motor actuating device.But because electrokinetic cell and fuel cell are not having important breakthrough aspect safety, life-span, the continual mileage; Add charging service facility and respective standard, laws and regulations are unsound, are that the pure electronic or hybrid vehicle speed of development of propulsion source is slower at present with the battery.Super capacitor with it in power, life-span, relative advantage widespread usage in hybrid vehicle aspect comparatively safe.
Super capacitor is a kernel component on the hybrid vehicle as propulsion source, and problems such as its safety, conformability, reliability directly affect the safety of car load and the cost of whole life.The super capacitor system is made up of a plurality of capacitance module connection in series-parallel, and single capacitance module is formed by a plurality of electric capacity are monomer series-connected, has in the module to be responsible for monitoring the monomer whether control unit of overvoltage, externally output overvoltage signal.If the capacitor system conformability is bad, in the car load driving process, can cause the higher capacitance module of voltage to overcharge, so that leakage takes place, directly with the harm that produces indirectly, serious threat car load and personal safety.If capacitor system uses under excess temperature or excessive temperature differentials condition, will have a strong impact on the conformability of whole capacitor system and cause the decay in electric capacity life-span, make the corresponding increase of cost of the electric capacity in the whole life cycle.Super capacitor monitoring module in the market; Just simply to monomer overvoltage signal output in the capacitance module; Alarm such as effectively detection module overvoltage, module pressure reduction and the temperature difference or failure message; Be difficult to safety, the reliability of assurance system, long-range angle is considered, also is difficult to cost-cutting.Too complicated, be similar to battery management system, all information of super capacitor module are all monitored, cause whole management system more complicated, cost is high, and reliability is low.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle-mounted super capacitance management system and method; To solve present vehicle-mounted capacitor system just simply to monomer overvoltage signal output in the capacitance module; Alarm such as effectively detection module overvoltage, module pressure reduction and the temperature difference or failure message, the problem that the safety of the vehicle-mounted electric capacity that causes and reliability are low.
The present invention provides a kind of vehicle-mounted super capacitance management system for solving the problems of the technologies described above; This capacitance management system comprises voltage detection module, temperature detecting module, controller and alarm module; The mouth of voltage detection module and temperature detecting module all links to each other with the input end of controller; The input end of voltage detection module is used for linking to each other with each capacitance module of vehicle-mounted electric capacity; The temperature sensor that the input end of temperature detecting module is used on each capacitance module with vehicle-mounted electric capacity links to each other; The mouth control linkage alarm module of controller; Be provided with comparing unit in the controller, be used for the inspection vehicle live and hold whether each capacitance module overvoltage, excess temperature occur, pressure reduction is excessive or the phenomenon of excessive temperature differentials, when being that overvoltage, excess temperature appear in vehicle-mounted super capacitor system, pressure reduction is excessive or reporting to the police during excessive temperature differentials.
The input end of described controller also is connected with is responsible for the whether control unit of overvoltage of monitoring monomer, and when controller detected control unit the overvoltage signal is arranged, controller control annunciator sent alerting signal.
Also be provided with the CAN communication interface on the described controller, controller is used for being connected with the CAN network communication of entire car controller through this CAN communication interface.
Described controller can exceed the warning that the standard different amplitude is sent different stage according to overvoltage, excess temperature, pressure reduction or the temperature difference when the control annunciator sends alerting signal.
The mouth of described controller also control linkage has display module, is used for display alarm information.
The present invention also provides a kind of vehicle-mounted super capacitance management method for solving the problems of the technologies described above, and the step of this vehicle-mounted super capacitance management method is following:
1). gather the voltage and the temperature of each capacitance module in the vehicle-mounted super capacitor in real time, and calculate the corresponding pressure reduction of each capacitance module and the temperature difference;
2). each capacitance module voltage that will collect and temperature compare with the normal voltage and the standard temperature of capacitance module respectively; Judged whether that overvoltage or excess temperature phenomenon appear in capacitance module; And the pressure reduction of each capacitance module that will calculate and the temperature difference compare with the pressure reduction and the temperature difference of standard respectively, judges whether that the phenomenon of the excessive or excessive temperature differentials of pressure reduction appears in capacitance module;
3). when above-mentioned any situation appears in capacitance module, send alarm message, remind driver and crew that power or parking checking are fallen in this super capacitor, to realize protection to the super capacitor system.
Monomer electric capacity overvoltage phenomenon need judge whether also in the described management process that the overvoltage phenomenon appears in the monomer electric capacity in the capacitance module, if equally also need be sent alerting signal.
When determining the situation of capacitance module appearance needs warning, can this alarm message be transferred in the CAN network of entire car controller through the CAN bus.
When sending alarm message, can exceed the warning that the standard different amplitude is sent different stage in the described step 3) according to overvoltage, excess temperature, pressure reduction or the temperature difference.
Described alarm message content can show, and supplies driver and crew to carry out subsequent treatment.
The invention has the beneficial effects as follows: the present invention is through utilizing the vehicle-mounted capacitance management system of detection module with voltage, temperature detecting module and controller; Realization is to the collection of capacitance module voltage, module temperature and overvoltage signal; And through internal calculation; When overvoltage, excess temperature appear in vehicle-mounted super capacitor, pressure reduction is excessive or report to the police during excessive temperature differentials, remind chaufeur in time to take treatment measures, thereby guarantee conformability, safety and the reliability of vehicle-mounted electric capacity; Prolong the vehicle-mounted electric capacity life-span, cost-cutting.
Description of drawings
Fig. 1 is the constructional drawing of the vehicle-mounted capacitor system embodiment one of the present invention;
Fig. 2 is the constructional drawing of the vehicle-mounted capacitance management system embodiment two of the present invention;
Fig. 3 is the workflow diagram of vehicle-mounted capacitance management system of the present invention;
Fig. 4 is the workflow diagram of the vehicle-mounted capacitance management system of the embodiment of the invention two.
The specific embodiment
Further specify below in conjunction with the accompanying drawing specific embodiments of the invention.
The embodiment one of a kind of vehicle-mounted super capacitance management system of the present invention
As shown in Figure 1, vehicle-mounted capacitive means of the present invention comprises N capacitance module and a capacitance management system, is provided with in each capacitance module to be responsible for the whether control unit of overvoltage of monitoring monomer; Capacitance management system comprises voltage detecting list, temperature detecting unit and controller; The input end of voltage detection unit and temperature detecting unit links to each other with N capacitance module respectively, is used for detecting in real time the magnitude of voltage and the temperature value of this N capacitance module, and the mouth of voltage detection unit and temperature detecting unit all links to each other with controller; Controller is provided with comparing unit; Be preset with the standard voltage value and the standard temperature value of this N capacitance module in the comparing unit, controller with the magnitude of voltage of the capacitance module that collects and temperature value respectively with comparing unit in preset standard voltage value and temperature value compare, controller sends control signal corresponding according to comparative result; Controller is provided with the CAN communication interface; Be used for docking with car load, also connect alarm module on the controller, in case the voltage of capacitance module or the standard value that temperature surpasses its setting are arranged through the CAN network; Controller control alarm module sends corresponding alerting signal; Also can be connected with vehicle-mounted manager through its CAN communication interface, the mouth of capacitance management system is communicated by letter with vehicle-mounted manager through its CAN communication interface and is connected, the operation of vehicle-mounted manager control car load.
The embodiment two of a kind of vehicle-mounted super capacitance management system of the present invention
This vehicle-mounted capacitor system also is made up of 16 capacitance module strings, and total voltage is 384 volts, and individual module voltage is 48 volts; Wherein single capacitance module is by 18 electric capacity monomer series-connected compositions, and single capacitance voltage is 2.7 volts, has in the single capacitance module to be responsible for detecting the whether control unit of overvoltage of monomer; Capacitance management system comprises voltage detecting list, temperature detecting unit and controller; The input end of voltage detection unit and temperature detecting unit links to each other with 16 capacitance modules respectively, and controller is provided with comparing unit, and the standard voltage value that is preset with these 16 capacitance modules in the comparing unit is 49 volts; The standard temperature value is 60 ℃; Capacitance module standard pressure reduction is 4 volts, and the standard temperature difference is 8 ℃, and controller is according to the magnitude of voltage of the capacitance module that collects and the pressure reduction and the temperature difference that temperature value calculates each capacitance module respectively; Controller with the magnitude of voltage of the capacitance module that collects and temperature value respectively with comparing unit in preset standard voltage value and temperature value compare; And to dock with entire car controller through the CAN network. when moving in system, the CMS system is responsible for detecting super capacitor system voltage and temperature information, and makes internal judgment and logical calculated.Be higher than 49 volts or module temperature and be higher than 60 ℃ or module pressure reduction greater than 4 volts or the module temperature difference during when the CMS system detects certain module voltage greater than 8 ℃; CMS sends Level 1Alarming; Notify entire car controller with information, and show that in instrument entire car controller receives the report for police service after the information; Carry out Power Limitation, power is reduced to 50% of the original fan-out capability of capacitor system.When above-mentioned warning is cancelled, recover power-supply system takeoff output ability.When the CMS system detected certain module voltage and is higher than 50 volts or module temperature and is higher than 65 ℃ or module pressure reduction and detects monomer overvoltage signal greater than 5 volts or the module temperature difference greater than 10 ℃ or CMS, CMS sent secondary and alarms, and notifies car load with information; And, after car load is received warning information, stop immediately in the instrument demonstration; Driver is investigated reason one by one; And do maintenance, rerun its idiographic flow such as Fig. 3 and shown in Figure 4 behind the trouble free.
The embodiment of a kind of vehicle-mounted super capacitance management method of the present invention
We are to be that example specifies vehicle-mounted super capacitance management method of the present invention by 16 capacitance module strings and the vehicle-mounted super capacitor system that forms, and the total voltage of this capacitor system is 384 volts, and individual module voltage is 48 volts; Wherein each capacitance module is by 18 electric capacity monomer series-connected compositions; The voltage of each electric capacity monomer is 2.7 volts, and the standard voltage value of these 16 capacitance modules is 49 volts, and the standard temperature value is 60 ℃; Capacitance module standard pressure reduction is 4 volts; The standard temperature difference is 8 ℃, has in each capacitance module be responsible for to detect the whether control unit of overvoltage of monomer, and the concrete steps of this vehicle-mounted super capacitance management method are following:
1. gather the voltage and the temperature of 16 capacitance modules in real time, and each capacitance module voltage that will collect and temperature compare the pressure reduction and the temperature difference of calculating each capacitance module respectively.
2. each capacitance module voltage that will collect and temperature are 9 volts with the standard voltage value of these 16 capacitance modules respectively and compare for 60 ℃ with the standard temperature value; Judge whether whether capacitance module the phenomenon of overvoltage or excess temperature occurs; The pressure reduction of each capacitance module that will calculate simultaneously and the temperature difference are 8 ℃ with 4 volts of standard temperature difference of capacitance module standard pressure reduction respectively and compare; The pressure reduction or the temperature difference that judge whether capacitance module surpass its standard value, and detect the signal whether the monomer overvoltage is arranged.
3. when above-mentioned any situation appears in capacitance module, for example certain module voltage is higher than 49 volts or module temperature and is higher than 60 ℃ or module pressure reduction and during greater than 8 ℃, sends Level 1Alarming greater than 4 volts or the module temperature difference; Notify entire car controller with information, and show that in instrument entire car controller receives the report for police service after the information; Carry out Power Limitation; Power is reduced to 50% of the original fan-out capability of capacitor system, when above-mentioned warning is cancelled, recover power-supply system takeoff output ability; If when detecting certain module voltage and being higher than 50 volts or module temperature and being higher than 65 ℃ or module pressure reduction and detecting monomer overvoltage signal greater than 5 volts or the module temperature difference greater than 10 ℃ or CMS, CMS sends the secondary alarm, and notifies car load with information; And, after car load is received warning information, stop immediately in the instrument demonstration; Driver is investigated reason one by one; And do maintenance, rerun its idiographic flow such as Fig. 3 and shown in Figure 4 behind the trouble free.
Claims (10)
1. vehicle-mounted super capacitance management system; It is characterized in that: this capacitance management system comprises voltage detection module, temperature detecting module, controller and alarm module; The mouth of voltage detection module and temperature detecting module all links to each other with the input end of controller; The input end of voltage detection module is used for linking to each other with each capacitance module of vehicle-mounted electric capacity; The temperature sensor that the input end of temperature detecting module is used on each capacitance module with vehicle-mounted electric capacity links to each other, and the mouth control linkage alarm module of controller is provided with comparing unit in the controller; Be used for the inspection vehicle live and hold whether each capacitance module overvoltage, excess temperature occur, pressure reduction is excessive or the phenomenon of excessive temperature differentials, when being that overvoltage, excess temperature appear in vehicle-mounted super capacitor system, pressure reduction is excessive or reporting to the police during excessive temperature differentials.
2. vehicle-mounted super capacitance management system according to claim 1; It is characterized in that: the input end of described controller also is connected with is responsible for the whether control unit of overvoltage of monitoring monomer; When controller detected control unit the overvoltage signal is arranged, controller control annunciator sent alerting signal.
3. vehicle-mounted super capacitance management system according to claim 2 is characterized in that: also be provided with the CAN communication interface on the described controller, controller is used for being connected with the CAN network communication of entire car controller through this CAN communication interface.
4. vehicle-mounted super capacitance management system according to claim 3 is characterized in that: described controller can exceed the warning that the standard different amplitude is sent different stage according to overvoltage, excess temperature, pressure reduction or the temperature difference when the control annunciator sends alerting signal.
5. vehicle-mounted super capacitance management system according to claim 4 is characterized in that: the mouth of described controller also control linkage has display module, is used for display alarm information.
6. vehicle-mounted super capacitance management method, it is characterized in that: the step of this vehicle-mounted super capacitance management method is following:
1). gather the voltage and the temperature of each capacitance module in the vehicle-mounted super capacitor in real time, and calculate the corresponding pressure reduction of each capacitance module and the temperature difference;
2). each capacitance module voltage that will collect and temperature compare with the normal voltage and the standard temperature of capacitance module respectively; Judged whether that overvoltage or excess temperature phenomenon appear in capacitance module; And the pressure reduction of each capacitance module that will calculate and the temperature difference compare with the pressure reduction and the temperature difference of standard respectively, judges whether that the phenomenon of the excessive or excessive temperature differentials of pressure reduction appears in capacitance module;
3). when above-mentioned any situation appears in capacitance module, send alarm message, remind driver and crew that power or parking checking are fallen in this super capacitor, to realize protection to the super capacitor system.
7. vehicle-mounted super capacitance management method according to claim 6; It is characterized in that: need judge whether also in the described management process that the overvoltage phenomenon appears in the monomer electric capacity in the capacitance module; If monomer electric capacity overvoltage phenomenon equally also need be sent alerting signal.
8. vehicle-mounted super capacitance management method according to claim 7 is characterized in that: when determining the situation of capacitance module appearance needs warning, can this alarm message be transferred in the CAN network of entire car controller through the CAN bus.
9. vehicle-mounted super capacitance management method according to claim 8 is characterized in that: when sending alarm message, can exceed the warning that the standard different amplitude is sent different stage according to overvoltage, excess temperature, pressure reduction or the temperature difference in the described step 3).
10. vehicle-mounted super capacitance management method according to claim 9 is characterized in that: described alarm message content can show, and supplies driver and crew to carry out subsequent treatment.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612630A (en) * | 2013-12-02 | 2014-03-05 | 惠州市亿能电子有限公司 | Oil-electricity series-parallel super-capacitor management system and control method |
| CN103825325A (en) * | 2014-02-10 | 2014-05-28 | 广西三立科技发展有限公司 | Super-capacitor system |
| CN105599632A (en) * | 2016-03-02 | 2016-05-25 | 江苏小牛电动科技有限公司 | EV-based (electric vehicle based) battery management method and system |
| CN106183848A (en) * | 2016-07-10 | 2016-12-07 | 安庆新景技电子科技有限公司 | Vehicle-mounted super capacitor controls device |
| CN106564387A (en) * | 2016-10-14 | 2017-04-19 | 厦门金龙旅行车有限公司 | Active safety control method based on super capacitor monitoring management system |
| CN112737031A (en) * | 2020-12-29 | 2021-04-30 | 武汉格罗夫氢能汽车有限公司 | System and method for setting BDC (potential distribution) stable bus voltage and power of hydrogen-powered automobile |
| CN115329703A (en) * | 2022-07-05 | 2022-11-11 | 陈卫科 | Management system based on vehicle-mounted super capacitor heat |
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| CN112737031A (en) * | 2020-12-29 | 2021-04-30 | 武汉格罗夫氢能汽车有限公司 | System and method for setting BDC (potential distribution) stable bus voltage and power of hydrogen-powered automobile |
| CN112737031B (en) * | 2020-12-29 | 2024-02-06 | 武汉格罗夫氢能汽车有限公司 | System and method for setting voltage and power of BDC stable bus of hydrogen energy automobile |
| CN115329703A (en) * | 2022-07-05 | 2022-11-11 | 陈卫科 | Management system based on vehicle-mounted super capacitor heat |
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Application publication date: 20121017 |