CN105443295A - Method and equipment used for determining energy value provided for ignition device - Google Patents
Method and equipment used for determining energy value provided for ignition device Download PDFInfo
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- CN105443295A CN105443295A CN201410503656.5A CN201410503656A CN105443295A CN 105443295 A CN105443295 A CN 105443295A CN 201410503656 A CN201410503656 A CN 201410503656A CN 105443295 A CN105443295 A CN 105443295A
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Abstract
The invention provides a method and equipment used for determining the energy value provided for an ignition device. The method includes the steps of measuring the air temperature value of the surrounding environment, determining the matched temperature range based on the measured air temperature value, and determining the corresponding energy value provided for the ignition device according to the temperature range.
Description
Technical field
The present invention relates to the method and apparatus determining energy value, particularly, relate to the method and apparatus of the energy value determining to be supplied to ignition mechanism.
Background technique
Along with popularizing of motor vehicle, become the problem that user is concerned about gradually in the Security of each component of vehicle and working life.Electronic control unit (ElectronicControlUnit, ECU) is exactly one of component important in vehicle.
As automobile specified computer controller, electronic control unit ECU is used for controlling the overall operation of whole vehicle, is therefore also called " car running computer ", " vehicle-mounted computer " etc. visually.Such as, it carries out computing, process, judgement, then output order according to the program of self EMS memory and data to the information that Air flow meter and various sensor input, and provides the electrical pulsing signal of one fixed width to control fuel injection quantity to oil sprayer.Say from structural point, electronic control unit ECU is also automobile specified single-chip microcomputer.ECU is the same with common single-chip microcomputer, comprises microprocessor (CPU), storage (ROM, RAM), input/output interface (I/O), analog-digital converter (A/D) and the large-scale integrated circuit (LSI) such as shaping, driving (input, output, control circuit etc.).As can be seen here, electronic control unit ECU safety, effectively to work be the basic guarantee of traffic safety.With the working state of ECU closely bound up be then its working life.
But, in existing design, also there is not the problem and the improved plan proposed in working life for ECU.
Summary of the invention
In order to solve or at least alleviate the problems referred to above of the prior art, the invention provides a kind of scheme extending the working life of electronic control unit ECU.
According to a first aspect of the invention, provide a kind of method of the energy value for determining to be supplied to ignition mechanism, the method comprises:
Measure ambient air value;
Based on measured temperature value, determine mated temperature range;
According to temperature range, determine the corresponding energy value being supplied to ignition mechanism.
According to embodiments of the invention, alternatively, by temperature transducer, preferably intake air temperature sensor, measures ambient air value.
According to embodiments of the invention, alternatively, determine that the corresponding energy value being supplied to ignition mechanism comprises, corresponding energy value table is inquired about according to temperature range, thus determine corresponding energy value, described table comprises for this temperature range, the energy value corresponding with temperature value specific in this temperature range or specific temperature range.
According to a second aspect of the invention, provide a kind of equipment of the energy value for determining to be supplied to ignition mechanism, this equipment comprises:
For measuring the device of ambient air value;
For based on measured temperature value, determine the device of mated temperature range;
For according to temperature range, determine the device of the corresponding energy value being supplied to ignition mechanism.
According to embodiments of the invention, alternatively, by temperature transducer, preferably intake air temperature sensor, measures ambient air value.
According to embodiments of the invention, alternatively, determine that the device of the corresponding energy value being supplied to ignition mechanism inquires about corresponding energy value table according to temperature range, thus determine corresponding energy value, described table comprises for this temperature range, the energy value corresponding with temperature value specific in this temperature range or specific temperature range.
According to a third aspect of the invention we, provide a kind of equipment of the energy value for determining to be supplied to ignition mechanism, this equipment comprises:
Temperature transducer, for measuring ambient air value;
Electronic control unit, it, based on measured temperature value, determines mated temperature range, and according to temperature range, determines the corresponding energy value being supplied to ignition mechanism.
According to embodiments of the invention, alternatively, described equipment also comprises igniting driver module, its energy value determined according to described electronic control unit, for ignition mechanism provides energy.
According to embodiments of the invention, alternatively, described electronic control unit inquires about corresponding energy value table according to temperature range, thus determines corresponding energy value, described table comprises for this temperature range, the energy value corresponding with temperature value specific in this temperature range or specific temperature range.
According to embodiments of the invention, alternatively, described temperature transducer is intake air temperature sensor.
According to embodiments of the invention, by adjusting the energy value being supplied to ignition mechanism, adjusted to suitable value, the operating temperature of electronic control unit is adjusted accordingly, thus avoid electronic control unit and be in unnecessary hot operation state, and then extend the working life of electronic control unit.
Accompanying drawing explanation
By the detailed description of carrying out below in conjunction with accompanying drawing, further understanding will be had to the present invention, thus other characteristic of above-mentioned and other advantages of the present invention, disclosed exemplary embodiment and advantage will become obvious to those skilled in the art.It is to be noted, however, that no matter be accompanying drawing or instantiation hereinafter, all just in order to the exemplary description that thinking of the present invention is made is described, should by as the restriction to any aspect of the present invention.Protection scope of the present invention is limited by the content of claims and equivalents thereof.In the accompanying drawings,
Fig. 1 schematically shows a kind of schematic structure of the equipment can implementing the solution of the present invention;
Fig. 2 schematically shows the method according to the present invention one exemplary embodiment;
Fig. 3 schematically shows another schematic structure of the equipment can implementing the solution of the present invention.
Embodiment
As described above, in existing design, the improved plan also proposed less than the working life for ECU.The present invention proposes based on this just.
The present inventor finds, as the one of electronic component, the working life of electronic control unit ECU is relevant to many factors, as temperature, usage frequency etc.Typically, in the actual motion of vehicle, the energy being supplied to vehicle ignition is set to definite value.That is, regardless of the ambient temperature of vehicle periphery, all use the energy value determined to strike sparks.But inventor finds when the ambient temperature residing for vehicle is higher, and can correspondingly reduce the energy value being supplied to ignition mechanism, this can realize the normal start-up and operation of vehicle equally.Even if if but when ambient temperature is higher also with surrounding enviroment for energy value identical during low temperature is lighted a fire to ignition mechanism, will ECU be caused unnecessarily to be in higher temperature, such working life arranged shortening ECU.
In embodiments of the invention; to consider that this factor of temperature of environment residing for vehicle is taken into account; the energy value of vehicle ignition is supplied to by adjustment; temperature residing when effectively protecting ECU to work; especially the temperature of ECU when vehicle is in higher ambient temperature, thus effectively extend the working life of ECU.Below in conjunction with the illustrative examples shown in Fig. 1-3, embodiments of the invention are described.
As shown in Figure 1, be used for realizing equipment of the present invention and there is intake air temperature sensor and electronic control unit.Wherein, intake air temperature sensor is used for the temperature of the environment residing for measuring vehicle, electronic control unit is used for the temperature measured by intake air temperature sensor, determines the temperature range residing for vehicle, and selects the energy value be applicable to be supplied to ignition mechanism according to this temperature range.
Be understandable that, for simplicity, Fig. 1 show schematically only part relevant to the solution of the present invention in various component in vehicle.It is evident that, being used for implementing naturally also may comprise corresponding components and parts for realizing other functions according to the equipment of the solution of the present invention.And, suitable existing components and parts also can be selected to realize corresponding function in the present invention program.In a word, those skilled in the art it is understood that the equipment being used for realizing the present invention program can have diversified structure, instead of are confined to the situation shown in Fig. 1.
In addition, for the ease of understanding and for purpose of brevity, all telling about embodiments of the invention for intake air temperature sensor in Fig. 1 and in following description.But, be understandable that, the sensor of measures ambient temperature of being used for mentioned in literary composition is not limited to intake air temperature sensor.To those skilled in the art, the temperature transducer of obvious other types also can meet such measurement demand.And, along with the development of technology, those skilled in the art are it is easily understood that obviously also can adopt various applicable sensor that is existing, just under development and that develop future to carry out such measurement, and layout in application and demand are then depended in concrete selection.Such as, to the requirement of vehicle performance, to requirement of survey data validity etc.
Describe in exemplary embodiment of the present invention by adjusting the energy value scheme that extends the working life of ECU being supplied to vehicle ignition below in conjunction with the method shown in the structure shown in Fig. 1 and Fig. 2.
As shown in Figure 2, in step 201, by example intake air temperature sensor as shown in Figure 1, ambient air value is measured.As described above, intake air temperature sensor is only illustrative example, and other sensors applicatory or other measurement components are also fine.
In step 202., by the electronic control unit such as shown in Fig. 1, based on measuring the temperature value (value such as measured by read sensor) obtained in step 201, determine corresponding temperature range.
Here, temperature range can be such as lower than between 40 degrees below zero, 40 degrees below zero to minus 20 degrees, between subzero 10 degree to 30 degree above freezing, higher than 30 degree of such temperature ranges above freezing.Certainly, the division of aforementioned this temperature range is only citing, and the division of the present invention to temperature is not limited thereto.It is easily understood that can be based on experience gained for the division of temperature, or experimentally data, or synthetic user be experienced extraly, or the concrete Temperature Features considering different geographical position etc. factors is determined.
In some embodiments of the invention, the storing in table form for the corresponding energy value set by different temperature scenario of above-mentioned refinement more.When having carried out such arranging, electronic control unit according to determined temperature range, can have been searched and the storage list corresponding to this temperature model essay, thus finds corresponding energy value.
In step 203, by the electronic control unit such as shown in Fig. 1, according to the temperature range obtained, determine the energy value being supplied to ignition mechanism.
Here, for each divided temperature range, a unified energy value broadly can be determined.In other embodiment of the present invention, can also for each temperature range, it is segmented, makes little temperature range even some the specific temperature values for each segmentation in this relatively wide in range temperature range, the suitable energy value being supplied to ignition mechanism is set.It will be understood by those skilled in the art that and specifically how to select when implementing the solution of the present invention and to arrange energy value further, is can carry out suitable selection and adjustment according to concrete demand and application scenarios.
According to other embodiments of the present invention, based on the energy value that electronic control unit is determined, corresponding energy is supplied to ignition mechanism according to determined value by igniting driver module.
Fig. 3 schematically shows another schematic structure of the equipment can implementing the solution of the present invention.This equipment comprises three modules being respectively used to perform 201-203 step as shown in Figure 2, is measuring unit, identifying unit and energy value determining unit respectively.
It should be noted that the structure shown in Fig. 3 is obviously only schematic, can further split module wherein according to actual needs to those skilled in the art, merging etc., as long as it can realize corresponding function of the present invention.
Describe according to some embodiments of the present invention above and proposed by the invention improve to obtain scheme.In above-mentioned some mode of executions, all by measuring and then consider the peripheral temperature of environment residing for vehicle, for ignition mechanism determines suitable energy value.Situation that the electronic control unit that even avoids vehicle causes himself overheated when ambient temperature is higher owing to providing from unnecessary energy to ignition mechanism occurs to select different energy values to make to reduce for different ambient temperatures, thus extends its working life even more significantly to a certain extent.
Be understandable that, description is above illustrative rather than restrictive in essence.To those skilled in the art, be all feasible to any variants and modifications carried out to adapt to the factors such as concrete environment, requirement of disclosed example.And, disclosed above specific device structure.But, it is not intended enforcement of the present invention and be limited to this concrete equipment.It will be understood by those skilled in the art that and still implementing to change the structure of equipment under prerequisite of the present invention, such as, module wherein can be carried out merging or further splitting, combine etc., some components and parts are wherein replaced etc.In any case protection scope of the present invention is determined by the content of claims and equivalent thereof.
Claims (10)
1., for determining a method for the energy value being supplied to ignition mechanism, the method comprises:
Measure ambient air value;
Based on measured temperature value, determine mated temperature range;
According to temperature range, determine the corresponding energy value being supplied to ignition mechanism.
2. method according to claim 1, wherein, measures ambient air value by temperature transducer.
3. method according to claim 1 and 2, wherein, determine that the corresponding energy value being supplied to ignition mechanism comprises, corresponding energy value table is inquired about according to temperature range, thus determine corresponding energy value, described table comprises for this temperature range, and the energy value corresponding with temperature value specific in this temperature range or specific temperature range, wherein measures temperature value by intake air temperature sensor.
4., for determining an equipment for the energy value being supplied to ignition mechanism, this equipment comprises:
For measuring the device of ambient air value;
For based on measured temperature value, determine the device of mated temperature range;
For according to temperature range, determine the device of the corresponding energy value being supplied to ignition mechanism.
5. equipment according to claim 4, wherein, measures ambient air value by temperature transducer.
6. the equipment according to claim 4 or 5, wherein, determine that the device of the corresponding energy value being supplied to ignition mechanism inquires about corresponding energy value table according to temperature range, thus determine corresponding energy value, described table comprises for this temperature range, the energy value corresponding with temperature value specific in this temperature range or specific temperature range, wherein measures temperature value by intake air temperature sensor.
7., for determining an equipment for the energy value being supplied to ignition mechanism, this equipment comprises:
Temperature transducer, for measuring ambient air value;
Electronic control unit, it, based on measured temperature value, determines mated temperature range, and according to temperature range, determines the corresponding energy value being supplied to ignition mechanism.
8. method according to claim 7, wherein, described equipment also comprises igniting driver module, its energy value determined according to described electronic control unit, for ignition mechanism provides energy.
9. the equipment according to claim 7 or 8, wherein, described electronic control unit inquires about corresponding energy value table according to temperature range, thus determine corresponding energy value, described table comprises for this temperature range, the energy value corresponding with temperature value specific in this temperature range or specific temperature range.
10. the equipment according to claim 7 or 8, wherein, described temperature transducer is intake air temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503656.5A CN105443295A (en) | 2014-09-26 | 2014-09-26 | Method and equipment used for determining energy value provided for ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503656.5A CN105443295A (en) | 2014-09-26 | 2014-09-26 | Method and equipment used for determining energy value provided for ignition device |
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| Publication Number | Publication Date |
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| CN105443295A true CN105443295A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410503656.5A Pending CN105443295A (en) | 2014-09-26 | 2014-09-26 | Method and equipment used for determining energy value provided for ignition device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58140469A (en) * | 1982-02-17 | 1983-08-20 | Hitachi Ltd | Contactless igniting apparatus |
| CN1418289A (en) * | 2000-03-16 | 2003-05-14 | 罗伯特·博施有限公司 | Device and method for regulating energy supply for ignition in internal combustion engine |
| US20030089355A1 (en) * | 2000-01-26 | 2003-05-15 | Manfred Vogel | Method for producing a sequence of high-voltage ignition sparks and high-voltage ignition device |
| DE19608526C2 (en) * | 1996-03-06 | 2003-05-15 | Bremi Auto Elek K Bremicker Gm | Process for regulating the minimum ignition energy in an internal combustion engine |
| CN201367972Y (en) * | 2009-03-13 | 2009-12-23 | 北京工业大学 | Engine ignition energy testing system for vehicle |
| CN102465813A (en) * | 2010-11-08 | 2012-05-23 | 胡建华 | Internal combustion engine igniter |
-
2014
- 2014-09-26 CN CN201410503656.5A patent/CN105443295A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58140469A (en) * | 1982-02-17 | 1983-08-20 | Hitachi Ltd | Contactless igniting apparatus |
| DE19608526C2 (en) * | 1996-03-06 | 2003-05-15 | Bremi Auto Elek K Bremicker Gm | Process for regulating the minimum ignition energy in an internal combustion engine |
| US20030089355A1 (en) * | 2000-01-26 | 2003-05-15 | Manfred Vogel | Method for producing a sequence of high-voltage ignition sparks and high-voltage ignition device |
| CN1418289A (en) * | 2000-03-16 | 2003-05-14 | 罗伯特·博施有限公司 | Device and method for regulating energy supply for ignition in internal combustion engine |
| CN201367972Y (en) * | 2009-03-13 | 2009-12-23 | 北京工业大学 | Engine ignition energy testing system for vehicle |
| CN102465813A (en) * | 2010-11-08 | 2012-05-23 | 胡建华 | Internal combustion engine igniter |
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