CN101521082A - Electricity-saving driving method and driving device of electromagnetic element - Google Patents
Electricity-saving driving method and driving device of electromagnetic element Download PDFInfo
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- CN101521082A CN101521082A CN200810033883A CN200810033883A CN101521082A CN 101521082 A CN101521082 A CN 101521082A CN 200810033883 A CN200810033883 A CN 200810033883A CN 200810033883 A CN200810033883 A CN 200810033883A CN 101521082 A CN101521082 A CN 101521082A
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Abstract
The invention relates to an electricity-saving driving method and a driving device of electromagnetic elements in electrochemical systems, mechatronic systems or electrical systems, in particular to an electricity-saving driving method and a driving device of electromagnetic elements in a fuel cell system. The invention comprises an electricity-saving driving circuit in the system; when an electromagnetic element is started, the electricity-saving driving circuit outputs a rated driving voltage to the electromagnetic element; and after the starting of the electromagnetic element, the electricity-saving driving circuit outputs a maintaining voltage which is slightly higher than a release voltage to the electromagnetic element. Compared with the prior art, the invention can greatly improve the efficiency of the system, reduce the heat pollution to environment, as well as prolong the service life of the electromagnetic element, as the less the power consumption is and the lower the work temperature is, the longer the service life of a wire package is.
Description
Technical field
The present invention relates to electro-chemical systems, particularly relate to the economize on electricity driving method and the drive unit of the electromagnetic component in the fuel cell system, also applicable to Mechatronic Systems or electrical system.
Background technology
For example in the fuel cell system, an electromagnetically operated valve is arranged generally at electro-chemical systems, be used for the break-make of control fuel stream between fuels sources and fuel cell pack.
Relevant regulations according to international standard IEC62282, in order to improve reliability and fail safe, should realize above-mentioned functions by two electromagnetically operated valves series connection (series connection of vial road), and this electromagnetically operated valve can cut out should work as the drive current disappearance time, so operating current is arranged when moving in system all the time.
After deliberation, general Electromagnetic Drive element, after action, the magnetic circuit closure only needs lower electric current just can keep its state, and for example the operation voltage of most of relays is 75% of its line bag nominal drive voltage, but release voltage only is 25%.
For electromagnetically operated valve, because it is moving that electromagnetically operated valve is inhaled iron block in order to overcome fluid pressure, often leave bigger surplus, above-mentioned OK61A electromagnetically operated valve, when operating pressure very little (for example 0.1Bar), operation voltage is 3.5V, and when operating pressure big slightly (for example 1.5Bar), operation voltage also only is 4.5V.Its release voltage is extremely low, only is 0.2V, and almost irrelevant with operating pressure.But electromagnetically operated valve power consumption minimum of the prior art also has 2～3W, rated voltage 12V, and there are the too high problem of power consumption in line bag resistance 47ohm, so the about 3W of rated disspation.
For portable or mini fuel cell system, 100W compact power for example, the power consumption of above-mentioned 3W*2=6W makes system effectiveness significantly reduce.When system moved under lower-wattage, problem was especially outstanding.
In some electro-chemical systems, Mechatronic Systems or electrical system, also have electromagnetic components such as relay, contactor, exist the problems referred to above too to a certain extent.
Summary of the invention
The objective of the invention is to overcome the defective that above-mentioned prior art exists, a kind of economize on electricity driving method and drive unit of electromagnetic component is provided, solve electromagnetic component such as the excessive problem of electromagnetically operated valve power consumption in the system in the prior art.
To achieve these goals, the present invention has adopted following technical scheme:
The economize on electricity driving method of electromagnetic component is, system comprises the economize on electricity drive circuit, and this circuit is exported specified driving voltage and given electromagnetic component when electromagnetic component is opened, after electromagnetic component was opened, output was a little more than release voltage but the voltage of keeping that is lower than nominal drive voltage is given electromagnetic component.When the system requirements electromagnetic component is closed, driving voltage is removed or zero setting.
The economize on electricity drive circuit comprises PWM (pulse-width modulation) controller, field effect transistor, fly-wheel diode, the positive-negative power input of PWM controller and system are connected to the positive and negative terminal of the nominal drive voltage that electromagnetic component provides, the pulse drive signal output of PWM controller is connected with the gate pole of field effect transistor, electromagnetic component is with after connecting in the source drain loop of field effect transistor, the positive and negative terminal of the nominal drive voltage that the system that is connected to provides to electromagnetic component, fly-wheel diode is in parallel with electromagnetic component.When exporting to the economize on electricity drive circuit from the nominal drive voltage of fuel cell system control circuit, the PWM controller is exported to field effect transistor with the signal of 100% pulsewidth, the action of driving electromagnetic component, after the electromagnetic component action is finished, the pulsewidth of PWM controller descends, and the average voltage that acts on electromagnetic component descends, and average current descends, but still a little more than release voltage, electromagnetic component is held open state.
The economize on electricity drive circuit comprises miniature DC-DC, diode, delay switch circuit, when exporting to the economize on electricity drive circuit from the nominal drive voltage of fuel cell system control circuit, delay switch circuit is opened, the electromagnetic component action, diode reverse is after the action of, electromagnetic component is finished, and delay switch circuit disconnects, the diode forward conducting, miniature DC-DC provides lower keeping voltage and keep electric current for electromagnetic component.
The economize on electricity drive circuit comprises PTC (Positive Temperature Coefficient, positive temperature coefficient) thermistor.The PTC thermistor is with after electromagnetic component is connected, and the system that is connected to provides the positive and negative terminal of nominal drive voltage to electromagnetic component.
Described economize on electricity drive circuit can be located at outside the electromagnetic component, also can be integrated in the electromagnetic component.Described electromagnetic component is electromagnetically operated valve or relay or contactor.
The present invention compared with prior art, the present invention has tangible energy-conserving action, can significantly improve system effectiveness, and reduce the thermal pollution to environment, the life-span that also can improve electromagnetic component is because system power dissipation is more little, working temperature is low more, and the line bag life-span is also just long more.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Embodiment
Specifically describe embodiments of the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～3, the electricity-saving driving mechanism of electromagnetic component in the fuel cell system comprises the economize on electricity drive circuit, this circuit is when electromagnetic component is opened, export specified driving voltage and give electromagnetic component, after electromagnetic component was opened, output was given electromagnetic component a little more than the voltage of keeping of release voltage.When the described electromagnetic component of system requirements is closed, driving voltage is removed or zero setting.Described electromagnetic component is electromagnetically operated valve or relay or contactor.Implement the device of said method, can place outside the electromagnetic component, also can be integrated within the electromagnetic component.
Embodiment 1
As shown in Figure 1, the economize on electricity drive circuit comprises PDM keyer, field effect transistor, fly-wheel diode, the positive-negative power input of PWM controller and system are connected to the positive and negative terminal of the nominal drive voltage that electromagnetically operated valve provides, the pulse drive signal output of PWM controller is connected with the gate pole of described field effect transistor, electromagnetically operated valve is with after connecting in the source drain loop of field effect transistor, the positive and negative terminal of the nominal drive voltage that the system that is connected to provides to electromagnetic component, fly-wheel diode is in parallel with described electromagnetic component.When the circuit module of being defeated by from the nominal drive voltage of fuel cell system control circuit among the figure, the PWM controller is defeated by field effect transistor with the signal of 100% pulsewidth, drives the electromagnetically operated valve action.Subsequently, the pulsewidth of PWM controller descends, and the average voltage that acts on electromagnetically operated valve descends, and average current descends, but still a little more than release voltage, electromagnetically operated valve is held open state.Stop to provide nominal drive voltage, closed electromagnetic valve until the fuel cell system control circuit.When opening, the PWM controller can start from full pulsewidth again, reduces pulsewidth then next time.
Embodiment 2
As shown in Figure 2, the economize on electricity drive circuit comprises miniature DC-DC, diode, delay switch circuit, and the electromagnetic component in the system is relay or contactor.When the circuit module of being defeated by from the nominal drive voltage of fuel cell system control circuit among the figure, delay switch circuit is opened, relay or contactor action, at this moment, diode reverse by.Subsequently, delay switch circuit disconnects, diode forward conducting, lower the keeping voltage and keep electric current to relay or contactor that miniature DC-DC provides.Stop to provide nominal drive voltage until the fuel cell system control circuit, relay or contactor are closed.
Embodiment 3
As shown in Figure 3, if the start and stop of fuel cell system are not frequent, can adopt PTC to realize.The PTC thermistor is with after electromagnetically operated valve is connected, and the system that is connected to provides the positive and negative terminal of nominal drive voltage to electromagnetically operated valve.
Claims (13)
1, a kind of economize on electricity driving method of electromagnetic component, it is characterized in that, the economize on electricity drive circuit is set in system, this circuit is when electromagnetic component is opened, export specified driving voltage and give electromagnetic component, after electromagnetic component was opened, output is higher than release voltage but the voltage of keeping that is lower than nominal drive voltage is given electromagnetic component.
2, a kind of drive unit of realizing the economize on electricity driving method of electromagnetic component as claimed in claim 1, it is characterized in that, the economize on electricity drive circuit is set in system, described economize on electricity drive circuit comprises PDM keyer, field effect transistor, when exporting to the economize on electricity drive circuit from the nominal drive voltage of fuel cell system control circuit, PDM keyer is exported to field effect transistor with the signal of 100% pulsewidth, the action of driving electromagnetic component, after the electromagnetic component action is finished, the pulsewidth of PDM keyer descends, and the average voltage that acts on electromagnetic component descends, and average current descends, but still being higher than release voltage, electromagnetic component is held open state.
3, the drive unit of the economize on electricity driving method of realization electromagnetic component as claimed in claim 2 is characterized in that, described economize on electricity drive circuit also comprises fly-wheel diode.
4, the drive unit of the economize on electricity driving method of realization electromagnetic component as claimed in claim 3, it is characterized in that, the positive-negative power input of described PDM keyer and system are connected to the positive and negative terminal of the nominal drive voltage that electromagnetic component provides, the pulse drive signal output of described PDM keyer is connected with the gate pole of described field effect transistor, described electromagnetic component is with after connecting in the source drain loop of described field effect transistor, the positive and negative terminal of the nominal drive voltage that the system that is connected to provides to electromagnetic component, described fly-wheel diode is in parallel with described electromagnetic component.
5. drive unit of realizing the economize on electricity driving method of electromagnetic component as claimed in claim 1, it is characterized in that, the economize on electricity drive circuit is set in system, described economize on electricity drive circuit comprises miniature DC-DC, diode, delay switch circuit, when exporting to the economize on electricity drive circuit from the nominal drive voltage of fuel cell system control circuit, delay switch circuit is opened, the electromagnetic component action, diode reverse is ended, after the electromagnetic component action is finished, delay switch circuit disconnects, the diode forward conducting, and miniature DC-DC provides to electromagnetic component and keeps voltage and keep electric current.
6. a drive unit of realizing the economize on electricity driving method of electromagnetic component as claimed in claim 1 is characterized in that the economize on electricity drive circuit is set, and described economize on electricity drive circuit comprises semistor in system.
7. the drive unit of the economize on electricity driving method of realization electromagnetic component as claimed in claim 6 is characterized in that, described semistor is with after electromagnetic component is connected, and the system that is connected to provides the positive and negative terminal of nominal drive voltage to electromagnetic component.
8. the economize on electricity driving method of electromagnetic component as claimed in claim 1 is characterized in that, described economize on electricity drive circuit is arranged at outside the electromagnetic component or is integrated in the electromagnetic component.
9. as the drive unit of the economize on electricity driving method of claim 2,3,4,5,6 or 7 described realization electromagnetic components, it is characterized in that it is outer or be integrated in the electromagnetic component that described economize on electricity drive circuit is arranged at electromagnetic component.
10. the economize on electricity driving method of electromagnetic component as claimed in claim 1 is characterized in that, when the described electromagnetic component of system requirements is closed, driving voltage is removed or zero setting.
11. the economize on electricity driving method as claim 2,3,4,5 or 7 described electromagnetic components is characterized in that, when the described electromagnetic component of system requirements is closed, driving voltage is removed or zero setting.
12. the economize on electricity driving method of electromagnetic component as claimed in claim 1 is characterized in that, this electromagnetic component is electromagnetically operated valve or relay or contactor.
13. the drive unit as the economize on electricity driving method of claim 2,3,4,5,6 or 7 described realization electromagnetic components is characterized in that this electromagnetic component is electromagnetically operated valve or relay or contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810033883A CN101521082A (en) | 2008-02-26 | 2008-02-26 | Electricity-saving driving method and driving device of electromagnetic element |
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| CN200810033883A CN101521082A (en) | 2008-02-26 | 2008-02-26 | Electricity-saving driving method and driving device of electromagnetic element |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346042A (en) * | 2013-07-18 | 2013-10-09 | 浙江中凯科技股份有限公司 | Electromagnetic system energy-saving device with compensation functions |
| CN110234918A (en) * | 2016-11-11 | 2019-09-13 | R.P.E.有限责任公司 | Control assembly, electromagnetic valve component and the correlation technique of solenoid valve |
| WO2020172924A1 (en) * | 2019-02-28 | 2020-09-03 | 施耐德电器工业公司 | Control method and control device |
-
2008
- 2008-02-26 CN CN200810033883A patent/CN101521082A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346042A (en) * | 2013-07-18 | 2013-10-09 | 浙江中凯科技股份有限公司 | Electromagnetic system energy-saving device with compensation functions |
| CN103346042B (en) * | 2013-07-18 | 2015-06-24 | 浙江中凯科技股份有限公司 | Electromagnetic system energy-saving device with compensation functions |
| CN110234918A (en) * | 2016-11-11 | 2019-09-13 | R.P.E.有限责任公司 | Control assembly, electromagnetic valve component and the correlation technique of solenoid valve |
| US11470997B2 (en) | 2016-11-11 | 2022-10-18 | R.P.E. S.R.L. | Control assembly of a solenoid valve, solenoid valve assembly and associated methods |
| WO2020172924A1 (en) * | 2019-02-28 | 2020-09-03 | 施耐德电器工业公司 | Control method and control device |
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Owner name: HORIZON FUEL CELL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QINGNENG FUEL CELLS TECH CO., LTD., SHANGHAI Effective date: 20110512 |
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Effective date of registration: 20110512 Address after: Room 4, building 23, Aries palace, 51 science Road, Singapore Second Science Park Applicant after: Horizon Fuel Cell Technology Co., Ltd. Address before: 39 building 200333, 2041 lane, Jinsha River Road, Shanghai, 4 Applicant before: Qingneng Fuel Cell Technology Co., Ltd., Shanghai |
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Owner name: JIANGSU QINGNENG NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HORIZON FUEL CELL TECHNOLOGIES CO., LTD. Effective date: 20110920 |
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Effective date of registration: 20110920 Address after: 3, building 215600, building C, 9 Guangdong Road, Zhangjiagang Free Trade Zone, Zhangjiagang, Jiangsu, Suzhou, China Applicant after: Jiangsu Qingneng New Energy Technology Co., Ltd. Address before: Room 4, building 23, Aries palace, 51 science Road, Singapore Second Science Park Applicant before: Horizon Fuel Cell Technology Co., Ltd. |
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Application publication date: 20090902 |