CN115288903B - Working method of vehicle-mounted oil consumption detection equipment calibration device - Google Patents
Working method of vehicle-mounted oil consumption detection equipment calibration device Download PDFInfo
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- CN115288903B CN115288903B CN202210740601.0A CN202210740601A CN115288903B CN 115288903 B CN115288903 B CN 115288903B CN 202210740601 A CN202210740601 A CN 202210740601A CN 115288903 B CN115288903 B CN 115288903B
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- Prior art keywords
- oil
- pump
- injector
- driving module
- fuel
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 101
- 239000000446 fuel Substances 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000010705 motor oil Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000003745 diagnosis Methods 0.000 claims description 7
- 239000000295 fuel oil Substances 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/0084—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for measuring volume
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to a working method of a vehicle-mounted oil consumption detection equipment calibration device, which comprises a data acquisition instrument which is in signal connection with an engine Electronic Control Unit (ECU) and is suitable for acquiring an engine oil injection control signal, wherein the data acquisition instrument is in signal connection with a data processing device, the data processing device is in signal connection with an electronic driving module, the electronic driving module is electrically connected with a pump on one side and each specified oil injector, an inlet of the pump is suitable for extracting specific liquid, an outlet of the pump is in sealed connection with an inlet of each oil injector, one side of each oil injector is provided with a metering device for calculating the liquid amount sprayed by each oil injector, the electronic driving module is suitable for controlling the outlet pressure of the pump, and the electronic driving module is suitable for controlling the spraying action of each oil injector; the calibration method utilizes a data acquisition instrument to acquire an oil injection control signal; the data processing device drives the pump and the specified fuel injector to work by utilizing the electronic driving module, so that the fuel injector is not dismounted to detect and calibrate the vehicle-mounted fuel consumption detection equipment.
Description
Technical Field
The invention relates to a vehicle-mounted oil consumption detection equipment calibration device and a calibration method, which are used for calibrating oil consumption metering data of the vehicle-mounted oil consumption detection equipment.
Background
The vehicle-mounted oil consumption detection device in the prior art generally utilizes a measuring cylinder, a measuring cup or a weighing instrument to detect the oil injection quantity of an engine oil injector within a certain time and compare the oil injection quantity with data detected by an oil quantity detection device on an engine, so that the oil quantity detection device is accurate. The oil quantity detecting device on the engine is generally an engine Electronic Control Unit (ECU), and since the oil pressure in the oil supply pipe connected with each oil injector is kept constant under the action of the pressure limiting valve, the oil injection quantity of each oil injector only depends on the opening time of the electromagnetic valve in the oil injector, and the opening time is controlled by the engine electronic control unit, and the engine electronic control unit calculates the oil injection quantity according to the opening time of each oil injector, and the calculation process needs to be calibrated.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vehicle-mounted oil consumption detection equipment calibration device which can detect and calibrate the vehicle-mounted oil consumption detection equipment under the condition of not disassembling an oil injector.
In order to solve the technical problems, the invention provides a vehicle-mounted oil consumption detection equipment calibration device, which comprises: the system comprises a data acquisition instrument which is connected with an engine electric control unit in a signal way and is suitable for acquiring an engine oil injection control signal, the data acquisition instrument is connected with a data processing device in a signal way, the data processing device is connected with an electronic driving module in a signal way, the electronic driving module is electrically connected with a pump on one side and each specified oil injector, the inlet of the pump is suitable for extracting specific liquid, the outlet of the pump is hermetically connected with the inlet of each oil injector, one side of each oil injector is provided with a metering device for calculating the liquid quantity sprayed by each oil injector, the electronic driving module is suitable for controlling the outlet pressure of the pump, and the electronic driving module is suitable for controlling the injection action of each oil injector.
The number of the data processing devices is 2, one data processing device is in signal connection with the data acquisition instrument, the other data processing device is in signal connection with the electronic driving module, and the 2 data processing devices are connected through a wired or wireless network.
The data processing device is a computer.
The data acquisition instrument is in communication connection with the engine electronic control unit through the diagnosis joint.
The inlet of the pump is connected with one end of the suction pipe in a sealing way, the other end of the suction pipe stretches into an oil tank at one side of the pump, specific liquid is filled in the oil tank, and the other end of the suction pipe is immersed under the liquid level.
The metering device comprises a container for collecting the oil liquid quantity sprayed by each oil sprayer, and the container is placed on the weighing instrument.
The specific liquid is the detected fuel used by the engine.
The invention also provides a method for calibrating the vehicle-mounted oil consumption detection equipment, which is characterized by comprising the following steps of:
a. the data acquisition instrument is in signal connection with the engine electronic control unit and acquires an oil injection control signal in one time period;
b. the data acquisition instrument transmits the oil injection control signal to a data processing device connected with the data processing device for analysis and signal conversion;
c. the data processing device sends the converted signals to an electronic driving module connected with the signals;
d. the electronic driving module controls the pump on one side to pump specific liquid according to the received conversion signal and sends the specific liquid to the inlet end of each specified fuel injector at set pressure;
e. the electronic driving module controls the injection action of each injector according to the received conversion signal and the injection control signal acquired by the data acquisition instrument;
f. the metering device at one side of the fuel injector collects and calculates the liquid amount sprayed by all the fuel injectors, and then compares and compares the liquid amount with the fuel injection amount calculated in the same time period of the engine electronic control unit.
The number of the data processing devices is 2, one data processing device is in signal connection with the data acquisition instrument, the other data processing device is in signal connection with the electronic driving module, and the 2 data processing devices are in remote communication through a wired or wireless network.
The data processing device connected with the data acquisition instrument in a signal way transmits the acquired oil injection signal to the other data processing device, and the other data processing device analyzes and converts the oil injection control signal and then transmits the oil injection control signal to the electronic driving module.
Compared with the prior art, the invention has the technical effects that:
(1) The data acquisition instrument acquires the oil injection control signals and then sends the oil injection control signals to the data processing device, the data processing device reproduces the injection process of the oil injector on the engine in the external environment through the electronic driving module, the pump and the oil injector, and compares the liquid quantity sprayed by the oil injector with the calculated value of the engine electronic control unit, so that the oil consumption detection process of the engine electronic control unit is accurate, and the detection and calibration of the vehicle-mounted oil consumption detection equipment under the condition of not disassembling the oil injector are realized.
(2) The 2 data processing devices are utilized to carry out remote detection and calibration processes, so that the detection process can be finished in different places, and the detection and accurate efficiency is improved.
(3) The computer has better compatibility and universality, is easy to obtain as common data processing equipment, and can remarkably improve the detection efficiency compared with other equipment.
(4) Compared with the mode of externally connecting a cable from the pin of the ECU to collect data in the ECU, the diagnosis connector 5 is used for directly reading the data in the ECU, so that the reliability is higher.
(5) The pump sucks specific liquid through the suction pipe, and the pump is far away from the liquid, so that faults such as short circuit and the like of the pump caused by overlarge humidity are avoided.
(6) The existing measuring cylinder is used for directly measuring the volume of liquid by using an equivalent device, errors are generated in the measuring process due to bubbles contained in the liquid, the liquid volume is calculated by using the weight obtained by the weighing instrument, and the measurement is more accurate.
(7) The specific liquid is used for detecting the fuel oil used by the engine, so that the injection quantity of all the fuel injectors can be obtained from the weighing instrument more directly.
(8) When 2 data processing devices are adopted, a first data processing device in signal connection with the data acquisition instrument is only responsible for acquiring oil injection signals and then transmits the oil injection signals to a second data processing device; compared with the first data processing device, the method has the advantages that after the first data processing device collects the oil injection signals, signal analysis and conversion are carried out, and then the converted signals are transmitted to the second data processing device through the network, so that the work load of the first data processing device can be reduced, and the first data processing device can collect the oil injection signals more timely and accurately.
Drawings
In order to clearly illustrate the innovative principles of the present invention and its technical advantages compared with the prior art, possible embodiments are described below by way of non-limiting examples applying said principles with the aid of the accompanying drawings. In the figure:
fig. 1 is a schematic diagram of a calibration device of a vehicle-mounted fuel consumption detection apparatus in embodiment 1 of the present invention;
FIG. 2 is a waveform of an oil injection signal from an engine electronic control unit according to the present invention;
fig. 3 is a schematic structural diagram of a calibration device of the vehicle-mounted fuel consumption detection apparatus in embodiment 2 of the present invention.
Description of the embodiments
As shown in fig. 1 and 3, the reference numerals in the drawings mean an engine Electronic Control Unit (ECU) 1, a wire 2, a first fuel supply pipe 3, a first fuel injector 4, a diagnostic connector 5, a data acquisition instrument 6, a first computer 7, the internet 8, a fuel tank 9, a second computer 10, an electronic driving module 11, a pump 12, a second fuel supply pipe 13, a suction pipe 14, a second fuel injector 15, a container 16, and a weighing instrument 17.
Examples
As shown in fig. 1, an engine Electronic Control Unit (ECU) 1 is electrically connected with each first injector 4 on the engine through a wire 2 and controls the injection action of each first injector 4, each first injector 4 is respectively communicated with each corresponding outlet of a first oil supply pipe 3 above the first injector in a sealing way, and the oil pressure in the first oil supply pipe 3 is kept constant under the action of a pressure limiting valve. The ECU is electrically connected with the diagnosis joint 5 on one side through a wire, the diagnosis joint 5 is electrically connected with the data acquisition instrument 6, the data acquisition instrument 6 is electrically connected with the first computer 7, the first computer 7 is electrically connected with the electronic driving module 11 on the other side, the electronic driving module 11 is electrically connected with the adjacent pump 12 and controls the operation of the pump 12, and the electronic driving module 11 is also electrically connected with the plurality of second fuel injectors 15 on the lower side of the electronic driving module and controls the injection action of each second fuel injector 15. The inlet of the pump 12 is connected with the upper end of a suction pipe 14 below the pump in a sealing way, the lower end of the suction pipe 14 extends into the liquid level of the oil tank 9 below the suction pipe, and a certain volume of engine fuel is filled in the oil tank 9. The outlet of the pump 12 is in sealing connection with the inlet of the second fuel supply pipe 13, and each outlet of the second fuel supply pipe 13 is in sealing connection with the inlet end of each corresponding second fuel injector 15. The second fuel injectors 15 and the first fuel injectors 4 are the same in model number and the same in quantity. The lower side of each second sprayer 15 is provided with a container 16, the container 16 is used for containing the oil sprayed by each second sprayer 15, and the container 16 is placed on a weighing instrument 17 at the lower side of the container.
The working process of the invention is that a first computer 7 reads control signal waveforms of the ECU for controlling the injection action of each first oil injector 4 from the ECU through a data acquisition instrument 6 and a diagnosis joint 5, as shown in fig. 2, all the control signal waveforms within a certain time range t are recorded, the first computer 7 carries out signal conversion after analyzing and processing the acquired data, the first computer 7 utilizes the converted signals to drive a pump 12 through an electronic driving module 11 to pump the fuel in a fuel tank 9 into a second fuel supply pipe 13, and the oil pressure in the second fuel supply pipe 13 is consistent with the oil pressure in the first fuel supply pipe 3. The first computer 7 controls the injection action of each second injector 15 by using the converted signal and according to the waveform of the control signal collected before, and after the injection process of each second injector 15 is finished, the fuel quantity in the container 16 is detected by using the weighing instrument 17, and the fuel quantity is compared with the fuel quantity of the first injector 4 calculated by the ECU in the time range t, so that the fuel quantity calculation program of the ECU is accurate.
The oil sprayer on the original engine is not required to be detached in the accurate process of the oil spraying quantity, and only a plurality of oil sprayers with the same model as the oil sprayer on the original engine are required to be replaced, so that the detection process is convenient and quick, and the method is particularly suitable for detecting the oil spraying quantity of the assembled engine.
Examples
The difference of this embodiment from embodiment 1 is that: the first computer 7 is in wired or wireless network communication connection with the second computer 10 through the Internet 8, the second computer 10 is electrically connected with the adjacent electronic driving module 11, the first computer 7 sends collected data to the second computer 10, the second computer 10 performs signal conversion after analyzing and processing the data, the second computer 10 utilizes the converted signals to drive the pump 12 to pump fuel in the fuel tank 9 into the second fuel supply pipe 13 through the electronic driving module 11 and keep the oil pressure in the second fuel supply pipe 13 consistent with the oil pressure in the first fuel supply pipe 3, and the second computer 10 utilizes the converted signals and controls the injection action of each second fuel injector 15 according to the waveform of the control signal collected before.
In the embodiment, the data acquisition instrument 6 and the first computer 7 are positioned at the place where the engine is located, the second computer 10, the electronic driving module 11, the pump 12, the second fuel injector 15, the container 16 and the weighing instrument 17 can be positioned at the place where the detection personnel are located, so that the remote fuel consumption detection and calibration can be performed, and the flexibility and convenience of detection are improved.
The oil tank 9 can store water or other solutions with known densities, and the corresponding fuel oil quantity is indirectly calculated according to the density ratio between the solution and the fuel oil, and is compared and calibrated with the fuel oil quantity calculated by the ECU.
The first computer 7 and the second computer 10 belong to data processing devices.
It is apparent that the above examples are merely illustrative of the present invention and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While remaining within the scope of the invention, obvious variations or modifications are incorporated by reference herein.
Claims (1)
1. The working method of the vehicle-mounted oil consumption detection equipment calibration device is characterized by comprising the following steps of: the system comprises a data acquisition instrument (6) which is in signal connection with an engine electronic control unit and is suitable for acquiring an engine oil injection control signal, the data acquisition instrument (6) is in signal connection with a data processing device, the data processing device is in signal connection with an electronic driving module (11), the electronic driving module (11) is electrically connected with a pump (12) on one side and each specified oil injector, an inlet of the pump (12) is suitable for extracting specific liquid, an outlet of the pump (12) is in sealed connection with an inlet of each oil injector, one side of each oil injector is provided with a metering device for calculating the liquid quantity sprayed out by each oil injector, the electronic driving module (11) is suitable for controlling the outlet pressure of the pump (12), and the electronic driving module (11) is suitable for controlling the injection action of each oil injector;
the inlet of the pump (12) is connected with one end of the suction pipe (14) in a sealing way, the other end of the suction pipe (14) stretches into the oil tank (9) at one side of the pump (12), specific liquid is filled in the oil tank (9), and the other end of the suction pipe is immersed under the liquid level;
the engine electronic control unit is electrically connected with each first oil sprayer on the engine through a wire and controls the spraying action of each first oil sprayer, each first oil sprayer is respectively communicated with each corresponding outlet of the first oil supply pipe above the first oil sprayer in a sealing way, and the oil pressure in the first oil supply pipe is kept constant under the action of the pressure limiting valve; the engine electronic control unit is electrically connected with a diagnosis joint on one side through a wire, the diagnosis joint is electrically connected with a data acquisition instrument, the data acquisition instrument is electrically connected with a computer I, the computer I is electrically connected with an electronic driving module on the other side, the electronic driving module is electrically connected with an adjacent pump and controls the operation of the pump, and the electronic driving module is also electrically connected with a plurality of oil injectors II on the lower side of the electronic driving module and controls the injection action of each oil injector II; the inlet of the pump is connected with the upper end of a suction pipe below the pump in a sealing way, the lower end of the suction pipe extends into the lower part of the liquid level in an oil tank below the suction pipe, and a certain volume of fuel oil for an engine is filled in the oil tank; the outlet of the pump is in sealing connection with the inlet of the second oil supply pipe, and each outlet of the second oil supply pipe is in sealing connection with the inlet end of each corresponding second oil sprayer; the second oil sprayer is the same in model and number as the first oil sprayer; the lower side of each second sprayer is provided with a container which is used for containing the oil sprayed by each second sprayer, and the container is arranged on a weighing instrument at the lower side of the container;
the working method comprises the following steps: the computer I reads the control signal waveform of the engine electronic control unit for controlling the injection action of each injector I from the engine electronic control unit through the data acquisition instrument and the diagnostic connector, records all the control signal waveforms within a certain period of time, performs signal conversion after analyzing and processing the acquired data, and drives the pump to pump the fuel in the fuel tank into the fuel supply pipe II through the electronic driving module by utilizing the converted signals and keeps the oil pressure in the fuel supply pipe II consistent with the oil pressure in the fuel supply pipe I; the first computer controls the injection action of each second injector by using the converted signals and according to the waveform of the control signals collected before, and after the injection process of each second injector is finished, the fuel quantity in the container is detected by using the weighing instrument, and the fuel quantity is compared with the fuel quantity of the first injector calculated by the engine electronic control unit in the time range, so that the fuel quantity calculation program of the ECU is calibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740601.0A CN115288903B (en) | 2017-01-03 | 2017-01-03 | Working method of vehicle-mounted oil consumption detection equipment calibration device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000729.2A CN106704069B (en) | 2017-01-03 | 2017-01-03 | Vehicle-mounted oil consumption detection equipment calibration device and calibration method |
| CN202210740601.0A CN115288903B (en) | 2017-01-03 | 2017-01-03 | Working method of vehicle-mounted oil consumption detection equipment calibration device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000729.2A Division CN106704069B (en) | 2017-01-03 | 2017-01-03 | Vehicle-mounted oil consumption detection equipment calibration device and calibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115288903A CN115288903A (en) | 2022-11-04 |
| CN115288903B true CN115288903B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710000729.2A Active CN106704069B (en) | 2017-01-03 | 2017-01-03 | Vehicle-mounted oil consumption detection equipment calibration device and calibration method |
| CN202210735350.7A Active CN115030848B (en) | 2017-01-03 | 2017-01-03 | Method for calibrating fuel consumption metering data of vehicle-mounted fuel consumption detection equipment |
| CN202210740601.0A Active CN115288903B (en) | 2017-01-03 | 2017-01-03 | Working method of vehicle-mounted oil consumption detection equipment calibration device |
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| CN201710000729.2A Active CN106704069B (en) | 2017-01-03 | 2017-01-03 | Vehicle-mounted oil consumption detection equipment calibration device and calibration method |
| CN202210735350.7A Active CN115030848B (en) | 2017-01-03 | 2017-01-03 | Method for calibrating fuel consumption metering data of vehicle-mounted fuel consumption detection equipment |
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| CN106704069B (en) * | 2017-01-03 | 2022-07-26 | 江苏新通达电子科技股份有限公司 | Vehicle-mounted oil consumption detection equipment calibration device and calibration method |
| CN108167102A (en) * | 2017-12-27 | 2018-06-15 | 北京恩吉威科技股份有限公司 | Fuel gas injection valve detection method and detection device based on air pressure detection |
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2017
- 2017-01-03 CN CN201710000729.2A patent/CN106704069B/en active Active
- 2017-01-03 CN CN202210735350.7A patent/CN115030848B/en active Active
- 2017-01-03 CN CN202210740601.0A patent/CN115288903B/en active Active
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| CN201318237Y (en) * | 2008-12-03 | 2009-09-30 | 大连理工大学 | High-pressure common-rail oil injecting volume checking system |
| CN101968018A (en) * | 2010-08-12 | 2011-02-09 | 深圳市元征软件开发有限公司 | Common rail system of diesel oil injector detection table and method thereof for controlling rail pressure in system |
| CN202381234U (en) * | 2011-11-23 | 2012-08-15 | 中国船舶重工集团公司第七一一研究所 | Electrically controlled fuel injector tester |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115030848B (en) | 2023-04-25 |
| CN115030848A (en) | 2022-09-09 |
| CN106704069A (en) | 2017-05-24 |
| CN115288903A (en) | 2022-11-04 |
| CN106704069B (en) | 2022-07-26 |
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