CN110131034A - Turbocharger of motor hypervelocity diagnostic method and diagnostic system and vehicle - Google Patents
Turbocharger of motor hypervelocity diagnostic method and diagnostic system and vehicle Download PDFInfo
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- CN110131034A CN110131034A CN201810105149.4A CN201810105149A CN110131034A CN 110131034 A CN110131034 A CN 110131034A CN 201810105149 A CN201810105149 A CN 201810105149A CN 110131034 A CN110131034 A CN 110131034A
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- turbocharger
- threshold
- engine
- speed
- speed limit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
- F02B2039/162—Control of pump parameters to improve safety thereof
- F02B2039/168—Control of pump parameters to improve safety thereof the rotational speed of pump or exhaust drive being limited
Abstract
The present invention relates to turbocharger of motor hypervelocity diagnostic method and system and vehicles.The turbocharger of motor hypervelocity diagnostic method includes: setting first threshold and second threshold；Obtain the operating parameter of engine；The boost pressure and engine air capacity that will acquire are modified to pressurization pressure ratio and compressor flow under the conditions of normal atmospheric pressure and temperature respectively, then according to after having been corrected pressurization pressure ratio and compressor flow inquire turbocharger air compressor performance arteries and veins spectrogram and obtain the prediction revolving speed of booster；The prediction aperture of vent valve is obtained according to the vent valve actuator position arteries and veins spectrogram of engine speed and throttle opening inquiry turbocharger and calculates its difference between the deflation valve opening of the turbocharger of acquisition；If predicting that revolving speed exceeds second threshold beyond first threshold or the difference, judge that turbocharger has exceeded the speed limit, if revolving speed is without departing from first threshold and the difference is without departing from second threshold for prediction, judges that turbocharger does not exceed the speed limit.
Description
Technical field
The present invention relates to automobile technical field more particularly to a kind of turbocharger of motor hypervelocity diagnostic method, start
Machine turbocharger hypervelocity diagnostic system and vehicle.
Background technique
Currently on vehicle gasoline engine, turbocharging technology has become the important technical for meeting the following fuel economy regulation
One of.Turbocharger is the kernel component of engine with supercharger, is often worked under high-temperature high-load and high speed conditions, pole
Limit revolving speed is up to more than 20 ten thousand turns, and vehicle turbocharger is that have deflation valve arrangement that pressurization or booster was avoided to exceed the speed limit,
Booster hypervelocity harm is very big, not only results in the damage failure of supercharger impeller shafting, and when situation is serious will will appear it is broken
Bits and machine oil enter in cylinder and damage entire engine.
Although having there is mature turbocharger rotational speed equipment, there is a problem of with high costs.Currently,
The engine development stage uses, and turbocharger speed sensor is nearly all fitted without in actual vehicle, but by using mould
Type and the means of calibration control turbocharger, and existing hypervelocity diagnostic techniques is mainly according to engine control system to sky
The Real-time Monitoring Data of throughput and boost pressure calculates turbo charger speed indirectly, then calculates turbocharging indirectly
The workload of device.
But above this diagnostic method it is not high enough there is reliability the problems such as, in actual development or after sale or when
Often there is a phenomenon where booster hypervelocities to fail, even causes entire engine damage.This is because boost pressure and air mass flow
It is not direct measurement automatic pressure intensifier workload condition, and due to engine system complexity, it is stifled if there is such as air inlet
The abnormal conditions such as plug or pressure piping gas leakage may then cause booster hypervelocity work, but be based on boost pressure at this time
The supercharger speed calculated with air mass flow still may be also in normal range (NR), this has resulted in calculating and diagnosing losing
Very, so as to cause to occur due to erroneous judgement booster persistently exceed the speed limit it is impaired, even damage the significant problems such as engine.Cause
This, it is necessary to it is studied and is improved for the existing shortcoming including above situation.
Summary of the invention
In view of this, the present invention provides turbocharger of motor hypervelocity diagnostic method, turbocharger of motor are super
Fast diagnostic system and vehicle, to efficiently solve the problems, such as the above-mentioned problems in the prior art and otherwise.
Firstly, according to the first aspect of the invention, it provides turbocharger of motor hypervelocity diagnostic method, the hair
Motivation turbocharger exceed the speed limit diagnostic method comprising steps of
First threshold and second threshold are set, the first threshold is the Maximum speed limit of turbocharger, and the second threshold is
The maximum allowable offset of the deflation valve opening of turbocharger；
Obtain engine operating parameter, the operating parameter include boost pressure, engine air capacity, engine speed,
The deflation valve opening of throttle opening, turbocharger；
The increasing acquired boost pressure and engine air capacity being modified to respectively under the conditions of normal atmospheric pressure and temperature
Pressure ratio and compressor flow are pressed, then according to the pressurization pressure ratio and compressor flow inquiry turbocharger air compressor after having been corrected
Performance arteries and veins spectrogram obtains the prediction revolving speed of booster；
According to the vent valve actuator position arteries and veins spectrogram of the engine speed and throttle opening inquiry turbocharger
It obtains the prediction aperture of vent valve and calculates its difference between the deflation valve opening of acquired turbocharger；And
If the prediction revolving speed exceeds the second threshold beyond the first threshold or the difference, judge that turbine increases
Depressor has exceeded the speed limit, and if the prediction revolving speed is without departing from the first threshold and the difference is without departing from described second
Threshold value then judges that turbocharger does not exceed the speed limit.
In turbocharger of motor according to the present invention hypervelocity diagnostic method, optionally, the turbocharger pressure
Mechanism of qi performance arteries and veins spectrogram be obtained by carrying out the bench test of booster combustion gas performance, and/or, the turbocharging
The vent valve actuator position arteries and veins spectrogram of device is obtained by carrying out engine performance bench test.
In turbocharger of motor according to the present invention hypervelocity diagnostic method, optionally, the second threshold is root
According to inclined caused by senile abrasion in the manufacture scattered error of the deflation valve actuator and the life cycle of the deflation valve actuator
Difference determines.
In turbocharger of motor according to the present invention hypervelocity diagnostic method, optionally, the first threshold and institute
Second threshold is stated to be calibrated in engine control module.
Secondly, according to the second aspect of the invention, it provides a kind of turbocharger of motor hypervelocity diagnostic system, institute
Stating turbocharger of motor hypervelocity diagnostic system includes:
Engine control module, internal calibration have first threshold and second threshold, and the first threshold is turbocharger
Maximum speed limit, the second threshold are the maximum allowable offset of the deflation valve opening of turbocharger；
Operating parameter measuring device is arranged for measuring the operating parameter of engine, and the operating parameter includes pressurization
Pressure, engine air capacity, engine speed, throttle opening, turbocharger deflation valve opening；And
Booster hypervelocity diagnostic module, is configured to execute following steps:
The increasing acquired boost pressure and engine air capacity being modified to respectively under the conditions of normal atmospheric pressure and temperature
Pressure ratio and compressor flow are pressed, then according to the pressurization pressure ratio and compressor flow inquiry turbocharger air compressor after having been corrected
Performance arteries and veins spectrogram obtains the prediction revolving speed of booster；
According to the vent valve actuator position arteries and veins spectrogram of the engine speed and throttle opening inquiry turbocharger
It obtains the prediction aperture of vent valve and calculates its difference between the deflation valve opening of acquired turbocharger；And
If the prediction revolving speed exceeds the second threshold beyond the first threshold or the difference, judge that turbine increases
Depressor has exceeded the speed limit, and if the prediction revolving speed is without departing from the first threshold and the difference is without departing from described second
Threshold value then judges that turbocharger does not exceed the speed limit.
In turbocharger of motor according to the present invention hypervelocity diagnostic system, optionally, the operating parameter measurement
Device includes at least:
Pressure sensor is used to measure boost pressure；
Air flow sensor is used to measure engine air capacity；
Engine speed sensor is used to measure engine speed；
Throttle position sensor is used to measure throttle opening；And
Vent valve jaw opening sensor is used to measure the deflation valve opening of turbocharger.
In turbocharger of motor according to the present invention hypervelocity diagnostic system, optionally, the engine turbine increases
Depressor hypervelocity diagnostic system further includes that the atmospheric temperature of the barometric pressure sensor and atmospheric temperature for measuring atmospheric pressure passes
Sensor.
In turbocharger of motor according to the present invention hypervelocity diagnostic system, optionally, the turbocharger pressure
Mechanism of qi performance arteries and veins spectrogram be obtained by carrying out the bench test of booster combustion gas performance, and/or, the turbocharging
The vent valve actuator position arteries and veins spectrogram of device is obtained by carrying out engine performance bench test.
In turbocharger of motor according to the present invention hypervelocity diagnostic system, optionally, the second threshold is root
According to inclined caused by senile abrasion in the manufacture scattered error of the deflation valve actuator and the life cycle of the deflation valve actuator
Difference determines.
In addition, according to the third aspect of the invention we, additionally providing a kind of vehicle, using such as any of the above item on the vehicle
Assembly is just like any of the above item engine whirlpool on the turbocharger of motor hypervelocity diagnostic method or the vehicle
Take turns booster hypervelocity diagnostic system.
It compared with prior art, can using turbocharger of motor hypervelocity diagnostic method of the invention and diagnostic system
At the right time, the working condition of booster is accurately and securely judged, so that engine control system can be first
Time judge determine booster there are abnormal conditions, and quickly using corresponding safeguard measure come come avoid damage equipment or
The equipment extent of damage is reduced, maintenance cost is reduced.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is the flow diagram of a turbocharger of motor hypervelocity diagnostic method embodiment according to the present invention.
Fig. 2 is the turbocharger air compressor in turbocharger of motor hypervelocity diagnostic method embodiment shown in FIG. 1
Performance arteries and veins composes schematic diagram.
Fig. 3 is the turbocharger deflation valve in turbocharger of motor hypervelocity diagnostic method embodiment shown in FIG. 1
Aperture arteries and veins composes schematic diagram.
Fig. 4 is the composition schematic diagram of a turbocharger of motor hypervelocity diagnostic system embodiment according to the present invention.
Specific embodiment
Firstly, it is necessary to which explanation, illustrates turbocharger of motor of the invention for by way of example below
Specific steps, composition, the features and advantages of hypervelocity diagnostic method, turbocharger of motor hypervelocity diagnostic system and vehicle
Deng, however what all descriptions were intended merely to be illustrated, and should not be construed as forming any restrictions to the present invention.
Please refer to Fig. 1 to Fig. 3, one is only substantially shown in a schematic way by these attached drawings according to the present invention
Turbocharger of motor hypervelocity diagnostic method basic step stream, below just this is described in detail.
In the embodiment above, the turbocharger of motor hypervelocity diagnostic method the following steps are included:
Firstly, needing to set whether two threshold values occur as turbocharger of motor hypervelocity in this hypervelocity diagnostic method
The judgment basis of hypervelocity, it can using the Maximum speed limit of turbocharger as first threshold, and putting turbocharger
The maximum allowable offset of air valve opening is as second threshold.
As an example, above-mentioned second threshold can according to the manufacture scattered error of the deflation valve actuator of turbocharger with
And deviation caused by senile abrasion is determined in the life cycle of deflation valve actuator, is used to guarantee test present invention side with this
Method carries out precision when turbocharger of motor hypervelocity diagnosis.It should be pointed out that the above first threshold and second threshold
Specific value can carry out selection setting according to practical situations, and they can be demarcated and be controlled in engine
In module.
In addition, also needing to obtain the operating parameter of engine in this hypervelocity diagnostic method, these operating parameters be can wrap
Include boost pressure, engine air capacity, engine speed, throttle opening, turbocharger deflation valve opening, so as to energy
Enough operating parameters according to acquired in these are used to judge whether turbocharger exceeds the speed limit.
Specifically, as shown in Figure 1, can first by acquired engine operating parameter boost pressure, start
Machine air mass flow is modified to pressurization pressure ratio under the conditions of normal atmospheric pressure and temperature, compressor flow respectively, is then using
Turbocharger air compressor performance arteries and veins spectrogram is inquired by revised pressurization pressure ratio, compressor flow, to be pressurized
The prediction revolving speed of device.By the way that the prediction revolving speed and above-mentioned both first thresholds to be compared, if the former has had exceeded
If the latter, then it is determined that there is hypervelocity phenomenon at this time in turbocharger.
For above-mentioned turbocharger air compressor performance arteries and veins spectrogram, this is can be by carrying out booster combustion gas performance platform
Frame is tested to obtain.A turbocharger air compressor is obtained for example, being shown in FIG. 2 using above-mentioned experimental test
Energy arteries and veins composes schematic diagram, contains a plurality of Deng revolving speeds line in the figure, rotating speed of gas compressor therein is compressor flow and pressure ratio
Function, rotating speed of gas compressor can be gone out with interpolating estimation according to compressor flow and pressure ratio.As shown in Fig. 2, with compressor stream
The increase of amount and pressure ratio, supercharger speed will also increase, therefore the upper right comer region in Fig. 2 is exactly potential turbocharging
Device speed exceeding area.
In addition, as shown in Figure 1, can be opened according to the engine speed in acquired engine operating parameter, air throttle
Then degree is counted to inquire the vent valve actuator position arteries and veins spectrogram of turbocharger to obtain the prediction aperture of vent valve again
Calculate the deflation valve opening (that is, practical aperture through detecting obtained vent valve) of the prediction aperture and acquired turbocharger
Difference between the two.By the way that the difference and above-mentioned both second thresholds to be compared, if after the former has had exceeded
If person, then it is determined that there is hypervelocity phenomenon at this time in turbocharger.
For the vent valve actuator position arteries and veins spectrogram of above-mentioned turbocharger, this is can be by carrying out engine
Can bench test obtain.For example, the deflation valve actuator an of turbocharger, which is shown in FIG. 3, (can be specially
Electronic deflation valve actuator) position arteries and veins compose schematic diagram, as can be seen from the figure in different conditioned areas, turbocharging
The deflation valve opening of device is different.For example, deflation valve opening is 100% standard-sized sheet in Smaller load region；In low speed and greatly
In load area, deflation valve opening is minimum, complete to close or close close to complete；High speed and high-load region, deflation valve opening be gradually
Increase.According to engine speed and load condition, the opening value of vent valve can be gone out come interpolation calculation by Fig. 3.
In addition, if there is above-mentioned prediction revolving speed without departing from first threshold, and above-mentioned prediction aperture with obtained
The case where deflation valve opening difference between the two of the turbocharger taken is without departing from second threshold, then it is determined that whirlpool
Taking turns booster, there is no hypervelocities at this time.In this way, quite can quickly and accurately determine turbocharging using the method for the present invention
The actual working state of device, and can determine whether booster hypervelocity occurs and believe at the first time, equipment is thus protected in time
To avoid it impaired or to reduce its damaged condition.
It is substantially better than the one aspect of the prior art as technical solution of the present invention, additionally provides a kind of engine turbine increasing
Depressor hypervelocity diagnostic system.For as an example, turbocharger of motor hypervelocity diagnostic system of the invention includes engine
Control module 1, operating parameter measuring device 2 and booster hypervelocity diagnostic module 3.
Wherein, for engine control module 1, the inside calibration at it has first threshold and second threshold.Such as preceding institute
It states, the two threshold values are the judgment basis whether to exceed the speed limit that exceeds the speed limit as turbocharger of motor, and first threshold is preset as
The Maximum speed limit of turbocharger, second threshold are preset as the maximum allowable offset of the deflation valve opening of turbocharger.Due to
Be directed to first threshold above and second threshold illustrated, thus can refering to corresponding position content above without
It repeats again.
For operating parameter measuring device 2, it is configured to the operating parameter for measuring engine, these fortune
Row parameter include boost pressure, engine air capacity, engine speed, throttle opening, turbocharger vent valve open
Degree.For example, which can include but is not limited to the pressure sensor for measuring boost pressure
21, for measure engine air capacity air flow sensor 22, for measure engine speed engine speed pass
Sensor 23, the throttle position sensor 24 for measuring throttle opening, for measuring turbocharger deflation valve aperture
Vent valve jaw opening sensor 25.
Booster hypervelocity diagnostic module 3 is the important composition component in turbocharger of motor hypervelocity diagnostic system,
It is configured to for executing following steps:
Firstly, acquired boost pressure, engine air capacity are modified to respectively under the conditions of normal atmospheric pressure and temperature
Pressurization pressure ratio, compressor flow then according to the pressurization pressure ratio and compressor flow after having been corrected pass through inquiry turbocharging
Device Capability of Compressor arteries and veins spectrogram obtains the prediction revolving speed of booster.In alternative circumstances, above-mentioned normal atmospheric pressure and temperature
Degree can be by being directly arranged barometric pressure sensor and atmospheric temperature in this turbocharger of motor hypervelocity diagnostic system
Sensor respectively obtains.Certainly, also allow to obtain from other devices, device or equipment in a system of the invention above
Normal atmospheric pressure and temperature data.
In addition, according to engine speed, throttle opening, by the vent valve actuator position arteries and veins for inquiring turbocharger
Spectrogram obtains the prediction aperture of vent valve, then calculates the deflation valve opening of the prediction aperture Yu acquired turbocharger
(that is, practical aperture through detecting obtained vent valve) difference between the two.
It is carried out according to the first threshold and second threshold of the above data obtained and calibration in engine control module 1
Compare, if above-mentioned prediction revolving speed has exceeded first threshold or above-mentioned prediction aperture and acquired turbocharger
Deflation valve opening between difference have exceeded second threshold, then it is determined that turbocharger has exceeded the speed limit.With this phase
Instead, if above-mentioned prediction revolving speed without departing from first threshold and above-mentioned difference is also without departing from second threshold,
It is determined that there is no hypervelocities for turbocharger.
It is understood that due to being directed to turbocharger air compressor performance arteries and veins spectrogram, turbocharging above
These technology contents such as the vent valve actuator position arteries and veins spectrogram of device carried out very in detail description, therefore can directly refering to
Aforementioned corresponding portion illustrates, and is not repeated to describe herein.
Have in view of turbocharger of motor according to the present invention hypervelocity diagnostic method and system as described above significant
Better than the technical advantage of the prior art, therefore it is very suitable to be applied to the method for the present invention on vehicle or by present system
It is attached on vehicle, the drawbacks of so as to effectively overcome in the presence of the prior art and shortcoming, so that engine turbine
The hypervelocity diagnostic reliability of booster is obviously improved, and the abnormal feelings that exceed the speed limit can occurs judging turbocharger at the first time
Condition reduces maintenance so as to avoid damage equipment using corresponding safeguard measure in time or reduce the equipment extent of damage
Cost.
Turbocharger of motor hypervelocity diagnostic method, engine of the invention is only elaborated by way of example above
Turbocharger exceeds the speed limit diagnostic system and vehicle, this few example only for illustrating that the principle of the present invention and embodiments thereof are used,
Rather than limitation of the present invention, without departing from the spirit and scope of the present invention, those skilled in the art can also do
Various changes and improvements out.For example, although citing indicates that can obtain turbine by using bench test increases herein
The vent valve actuator position arteries and veins spectrogram of depressor Capability of Compressor arteries and veins spectrogram and/or turbocharger, but actually can also be with
These above-mentioned arteries and veins spectrograms are directly acquired from such as automobile vendor, technological development quotient or other research and development institutions etc..Therefore, own
Equivalent technical solution should belong to scope of the invention and be limited by every claim of the invention.
Claims (10)
- The diagnostic method 1. a kind of turbocharger of motor exceeds the speed limit, which is characterized in that the turbocharger of motor hypervelocity is examined Disconnected method comprising steps ofFirst threshold and second threshold are set, the first threshold is the Maximum speed limit of turbocharger, and the second threshold is The maximum allowable offset of the deflation valve opening of turbocharger；Obtain engine operating parameter, the operating parameter include boost pressure, engine air capacity, engine speed, The deflation valve opening of throttle opening, turbocharger；The increasing acquired boost pressure and engine air capacity being modified to respectively under the conditions of normal atmospheric pressure and temperature Pressure ratio and compressor flow are pressed, then according to the pressurization pressure ratio and compressor flow inquiry turbocharger air compressor after having been corrected Performance arteries and veins spectrogram obtains the prediction revolving speed of booster；According to the vent valve actuator position arteries and veins spectrogram of the engine speed and throttle opening inquiry turbocharger It obtains the prediction aperture of vent valve and calculates its difference between the deflation valve opening of acquired turbocharger；AndIf the prediction revolving speed exceeds the second threshold beyond the first threshold or the difference, judge that turbine increases Depressor has exceeded the speed limit, and if the prediction revolving speed is without departing from the first threshold and the difference is without departing from described second Threshold value then judges that turbocharger does not exceed the speed limit.
- The diagnostic method 2. turbocharger of motor according to claim 1 exceeds the speed limit, wherein the turbocharger is calmed the anger Machine performance arteries and veins spectrogram be obtained by carrying out the bench test of booster combustion gas performance, and/or, the turbocharger Vent valve actuator position arteries and veins spectrogram be to be obtained by carrying out engine performance bench test.
- The diagnostic method 3. turbocharger of motor according to claim 1 exceeds the speed limit, wherein the second threshold is basis Deviation caused by senile abrasion in the manufacture scattered error of the deflation valve actuator and the life cycle of the deflation valve actuator Come what is determined.
- The diagnostic method 4. turbocharger of motor according to claim 1 exceeds the speed limit, wherein the first threshold and described Second threshold is calibrated in engine control module.
- The diagnostic system 5. a kind of turbocharger of motor exceeds the speed limit, which is characterized in that the turbocharger of motor hypervelocity is examined Disconnected system includes:Engine control module, internal calibration have first threshold and second threshold, and the first threshold is turbocharger Maximum speed limit, the second threshold are the maximum allowable offset of the deflation valve opening of turbocharger；Operating parameter measuring device is arranged for measuring the operating parameter of engine, and the operating parameter includes pressurization Pressure, engine air capacity, engine speed, throttle opening, turbocharger deflation valve opening；AndBooster hypervelocity diagnostic module, is configured to execute following steps:The increasing acquired boost pressure and engine air capacity being modified to respectively under the conditions of normal atmospheric pressure and temperature Pressure ratio and compressor flow are pressed, then according to the pressurization pressure ratio and compressor flow inquiry turbocharger air compressor after having been corrected Performance arteries and veins spectrogram obtains the prediction revolving speed of booster；According to the vent valve actuator position arteries and veins spectrogram of the engine speed and throttle opening inquiry turbocharger It obtains the prediction aperture of vent valve and calculates its difference between the deflation valve opening of acquired turbocharger；AndIf the prediction revolving speed exceeds the second threshold beyond the first threshold or the difference, judge that turbine increases Depressor has exceeded the speed limit, and if the prediction revolving speed is without departing from the first threshold and the difference is without departing from described second Threshold value then judges that turbocharger does not exceed the speed limit.
- The diagnostic system 6. turbocharger of motor according to claim 5 exceeds the speed limit, wherein the operating parameter measurement dress It sets and includes at least:Pressure sensor is used to measure boost pressure；Air flow sensor is used to measure engine air capacity；Engine speed sensor is used to measure engine speed；Throttle position sensor is used to measure throttle opening；AndVent valve jaw opening sensor is used to measure the deflation valve opening of turbocharger.
- The diagnostic system 7. turbocharger of motor according to claim 5 exceeds the speed limit, wherein the engine turbine pressurization Device hypervelocity diagnostic system further includes the atmospheric temperature sensing of the barometric pressure sensor and atmospheric temperature for measuring atmospheric pressure Device.
- The diagnostic system 8. turbocharger of motor according to claim 5 exceeds the speed limit, wherein the turbocharger is calmed the anger Machine performance arteries and veins spectrogram be obtained by carrying out the bench test of booster combustion gas performance, and/or, the turbocharger Vent valve actuator position arteries and veins spectrogram be to be obtained by carrying out engine performance bench test.
- The diagnostic system 9. turbocharger of motor according to any one of claim 5-8 exceeds the speed limit, wherein described second Threshold value is according to senile abrasion in the manufacture scattered error of the deflation valve actuator and the life cycle of the deflation valve actuator Caused deviation determines.
- 10. a kind of vehicle, which is characterized in that using such as engine whirlpool of any of claims 1-4 on the vehicle It takes turns and assembles on booster hypervelocity diagnostic method or the vehicle just like engine whirlpool described in any one of claim 5-9 Take turns booster hypervelocity diagnostic system.
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| CN201810105149.4A CN110131034B (en) | 2018-02-02 | 2018-02-02 | Engine turbocharger overspeed diagnosis method and system and vehicle |
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| CN110925106A (en) * | 2019-12-11 | 2020-03-27 | 潍柴动力股份有限公司 | Control method and device of throttle valve of engine, electronic equipment and engine |
| CN111997766A (en) * | 2020-09-02 | 2020-11-27 | 宁波市鄞州德来特技术有限公司 | Control method applied to automobile controller |
| CN112648086A (en) * | 2020-12-03 | 2021-04-13 | 潍柴动力股份有限公司 | Instantaneous overspeed protection method and system for engine supercharger |
| CN113266460A (en) * | 2021-06-08 | 2021-08-17 | 湖南道依茨动力有限公司 | Abnormality monitoring method, control device, turbocharger, and engine system |
| CN113310536A (en) * | 2021-07-29 | 2021-08-27 | 中国航发上海商用航空发动机制造有限责任公司 | Method for measuring inlet flow of compressor in engine whole machine test |
| CN113482764A (en) * | 2021-07-30 | 2021-10-08 | 广西玉柴机器股份有限公司 | Method for diagnosing boost pressure fault of controllable supercharger |
| CN114046207A (en) * | 2021-09-29 | 2022-02-15 | 广西玉柴机器股份有限公司 | Control method and device for controllable supercharger of internal combustion engine |
| FR3118647A1 (en) * | 2021-01-07 | 2022-07-08 | Renault S.A.S | Method for detecting a gas leak in an intake circuit of a motorization device |
| CN114810400A (en) * | 2022-05-10 | 2022-07-29 | 潍柴动力股份有限公司 | Fuel injection quantity control method, device and system |
| CN115405410A (en) * | 2022-08-11 | 2022-11-29 | 长城汽车股份有限公司 | Supercharger control method and device, vehicle and storage medium |
| CN115711172A (en) * | 2022-11-30 | 2023-02-24 | 东风汽车股份有限公司 | Pressure control method of supercharger |
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