CN105784378A - Comprehensive diesel engine inspection bench with intelligent measurement and control functions - Google Patents
Comprehensive diesel engine inspection bench with intelligent measurement and control functions Download PDFInfo
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- CN105784378A CN105784378A CN201610250878.XA CN201610250878A CN105784378A CN 105784378 A CN105784378 A CN 105784378A CN 201610250878 A CN201610250878 A CN 201610250878A CN 105784378 A CN105784378 A CN 105784378A
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- diesel engine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
- G01M15/046—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12 by monitoring revolutions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides a comprehensive diesel engine inspection bench with intelligent measurement and control functions. The comprehensive diesel engine inspection bench comprises a comprehensive testing stand, a gas tank, a pneumatic tool and a pneumatic power generator, wherein the comprehensive testing stand comprises a driving motor, a shaft coupling, a clamp for fixing a diesel engine to be tested and a computer control system equipped with external characteristic curves, experimental technical process requirements and standard parameters of diesel engines of all models, the driving motor is fixedly connected with the clamp through the shaft coupling, the computer control system is in signal connection with the driving motor, the air intake of the gas tank communicates with the air exhaust opening of the diesel engine to be tested, and the gas outlet of the gas tank respectively communicates with the air intake of the pneumatic tool and the air intake of the pneumatic power generator. The comprehensive testing stand tests a diesel engine through electric power and consumes no oil, and the test process is controlled by the computer control system, so that all tested diesel engines are consistent in performance. High pressure gas generated during a diesel engine testing process can be recycled and utilized.
Description
Technical field
The present invention relates to the exfactory inspection of diesel engine and collect the gases at high pressure of its generation the apparatus being used, particularly a kind of diesel engine intelligent monitoring comprehensive test platform.
Background technology
The single-double cylinder diesel engine of domestic production today is when doing factory testing test, under normal circumstances, the air that each diesel engine all must first be got rid of in oil supply system before starting, inherently lose a part of diesel oil in this process, then carry out the heat engine test run of 20～40 minutes, calculate according to the calibration power of diesel engine, that is: rated power × time=the normal running-in time of separate unit in diesel-fuel consumption, run into abnormal commissioning process, the break-in plan oil mass of diesel engine will be greatly increased, and cause the increasing of exhaust emissions of diesel engine amount.One Diesel Engine Plant producing 2000000 per year, only producing the diesel engine type that power is 7.5KW to calculate according to 1 year, the fuel consumption of generation is exactly 3400 tons, the air that the gas of generation will pollute more than 1.5 tons, not only consume substantial amounts of oil product, also environment is caused serious pollution.Meanwhile, adopting traditional heat engine mode to test, test the performance of diesel engine, also cannot ensure that the quality of diesel engine, fit-up gap and rigging error vary, compliance rate is not as high.Meanwhile, carrying out detecting, when testing, the gases at high pressure that diesel engine produces are discharged in air, air causes severe contamination and causes the waste of the energy.
Summary of the invention
In order to solve above-mentioned technical problem, and provide a kind of by the computer control system equipped with the external characteristic curve and experimental technique technological requirement and canonical parameter that enroll diesel engine, the diesel engine intelligent monitoring comprehensive test platform relying on electric power that diesel engine is detected and the gases at high pressure produced can being reclaimed and are used.
nullA kind of diesel engine intelligent monitoring comprehensive test platform provided by the invention，Including: multi-function test stand、Air accumulator、Pneumatic tool and pneumatic electric generator，Multi-function test stand includes: drive motor、Shaft coupling、For fixing the fixture of diesel engine to be detected and equipped with the computer control system of the external characteristic curve and experimental technique technological requirement and canonical parameter that enroll all model diesel engines，Drive motor is connected by shaft coupling and fixture are fixing，Computer control system is connected with drive motor signal，The air inlet of air accumulator connects with the air vent of diesel engine to be detected，The gas outlet of air accumulator is connected with the air inlet of air tool air inlet and pneumatic electric generator respectively，Multi-function test stand adopts 380V voltage，Diesel engine is driven to test，By adopting the computer control system of standard，Make each the diesel engine performance index parameter by test consistent，Stable，Improve the quality of diesel engine，Alleviate the labor intensity of workman and the harm to health，Improve production efficiency simultaneously，Reduce production cost，And，Whole process need not use diesel oil，Have only to consume a small amount of electric energy just can diesel engine be detected、Experiment，Without discharge beyond standards.
Further, a kind of diesel engine intelligent monitoring comprehensive test platform of this practicality invention also includes electric energy storage device, and electric energy storage device electrically connects with pneumatic electric generator, is stored by the electricity that pneumatic electric generator produces.
Further, electric energy storage device can be accumulator, naturally it is also possible to the electric energy of generation is fed directly to electrical network, it is provided that use to the citizen of huge numbers of families.
Further, the gas outlet place of air accumulator is provided with first throttle valve, and air tool air inlet place is provided with second throttle, and the air inlet place of pneumatic electric generator is provided with the 3rd choke valve, and choke valve is possible to prevent the outflow of gases at high pressure.
Further, the air inlet place of air accumulator is provided with check valve.
Further, computer control system includes: display, programmable logic controller (PLC) and converter able to programme, and display, programmable logic controller (PLC) and converter able to programme are connected by signal.
What a kind of diesel engine intelligent monitoring comprehensive test platform provided by the invention compared with prior art mainly had has the beneficial effect that diesel engine is carried out factory testing by electric power by the present invention, experiment, the whole process computer control system by employing standard, make each the diesel engine performance index parameter by test consistent, stable, improve the quality of diesel engine, alleviate the labor intensity of workman and the harm to health, improve production efficiency simultaneously, reduce production cost, and, whole process need not use diesel oil, have only to consume a small amount of electric energy just can diesel engine be detected, experiment, without discharge beyond standards.On the other hand, the gases at high pressure produced in detection, experimentation are recycled by the present invention, and are applied.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of diesel engine intelligent monitoring comprehensive test platform provided by the invention；
In figure: 1, diesel engine to be measured；2, multi-function test stand；3, air accumulator；4, pneumatic tool；5, pneumatic electric generator；6, electric energy storage device；7, first throttle valve；8, second throttle；9, the 3rd choke valve；10, check valve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details:
nullAs shown in Figure 1，A kind of diesel engine intelligent monitoring comprehensive test platform provided by the invention，Including: multi-function test stand 2、Air accumulator 3、Pneumatic tool 4 and pneumatic electric generator 5，Multi-function test stand 2 includes: drive motor、Shaft coupling、For fixing the fixture of diesel engine to be detected and equipped with the computer control system of the external characteristic curve and experimental technique technological requirement and canonical parameter that enroll all model diesel engines，Drive motor is connected by shaft coupling and fixture are fixing，Computer control system is connected with drive motor signal，The air inlet of air accumulator 3 connects with the air vent of diesel engine 1 to be detected，The gas outlet of air accumulator 3 is connected with the air inlet of the air inlet of pneumatic tool 4 and pneumatic electric generator 5 respectively，Multi-function test stand 2 adopts 380V voltage，Diesel engine 1 to be measured is driven to test，By adopting the computer control system of standard，Make each the diesel engine to be measured 1 performance indications parameter by test consistent，Stable，Improve the quality of diesel engine，Alleviate the labor intensity of workman and the harm to health，Improve production efficiency simultaneously，Reduce production cost，And，Whole process need not use diesel oil，Have only to consume a small amount of electric energy just can diesel engine be detected、Experiment，Without discharge beyond standards.
In a preferred embodiment, a kind of diesel engine intelligent monitoring comprehensive test platform of this practicality invention also includes electric energy storage device 6, and electric energy storage device 6 electrically connects with pneumatic electric generator 5, is stored by the electricity that pneumatic electric generator 5 produces.
In a preferred embodiment, electric energy storage device 6 can be accumulator, naturally it is also possible to the electric energy of generation is fed directly to electrical network, it is provided that use to the citizen of huge numbers of families.
In a preferred embodiment, the gas outlet place of air accumulator 3 is provided with first throttle valve 7, the air inlet place of pneumatic tool 4 is provided with second throttle 8, and the air inlet place of pneumatic electric generator 5 is provided with the 3rd choke valve 9, and choke valve is possible to prevent the outflow of gases at high pressure.
In a preferred embodiment, the air inlet place of air accumulator 3 is provided with check valve 10.
In a preferred embodiment, computer control system includes: display, programmable logic controller (PLC) and converter able to programme, and described display, described programmable logic controller (PLC) and described converter able to programme are connected by signal.
The workflow of a kind of diesel engine intelligent monitoring comprehensive test platform provided by the invention is as follows: first, the diesel engine to be measured 1 that will carry out detecting, testing is connected by fixture is fixing with multi-function test stand 2, start multi-function test stand 2, by being arranged on the computer control system of the external characteristic curve enrolling all model diesel engines on multi-function test stand 2 and experimental technique technological requirement and canonical parameter, diesel engine 1 to be measured being detected, tested, detection, experimentation are divided into nine running in stage with different rotating speeds and time, diesel engine 1 to be tested respectively:
First stage break-in: rotating speed is 100 revs/min; time is 1 minute; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
Second stage break-in: rotating speed is 300 revs/min; time is 1 minute; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
Phase III break-in: rotating speed is 500 revs/min; time is 2 minutes; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
Fourth stage break-in: rotating speed is 1000 revs/min; time is 2 minutes; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
5th stage break-in: rotating speed is 1500 revs/min; time is 2 minutes; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
6th stage break-in: rotating speed is 2000 revs/min; time is 2 minutes; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
7th stage break-in: rotating speed is 2500 revs/min; time is 2 minutes; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
8th stage break-in: rotating speed is 3000 revs/min; time is 1 minute; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
9th stage break-in: rotating speed is 3700 revs/min; time is 1 minute; the detection external characteristic curve of diesel engine, experimental technique technique, associated technical parameters and motor running frequency; contrasting detection to data and normal data; qualified, enter next stage, defective need carry out adjustment or ressemble and again carry out detecting till qualified.
After completing the test of above-mentioned nine stage, diesel engine is being carried out pressure, attacking, the detection such as rotating speed, could pack after inspection is all qualified and dispatch from the factory.
In the process that diesel engine 1 to be measured is carried out break-in test, diesel engine 1 to be measured is forced to drive, therefore diesel engine 1 to be measured produces compression ratio, diesel engine to be measured 1 now is an air compressor, the air of compression is recycled to air accumulator 3, air accumulator 3 connects respectively at pneumatic tool 4 and pneumatic generating set 5, pneumatic tool 4 may utilize the gases at high pressure in air accumulator 3 and carries out maintenance activity, the gases at high pressure that Pneumatic electric generating equipment 5 may utilize in air accumulator 3 generate electricity, the electricity produced can be stored in accumulator and can also be connected to the grid, and uses to the citizen of huge numbers of families.
What a kind of diesel engine intelligent monitoring comprehensive test platform provided by the invention compared with prior art mainly had has the beneficial effect that
1) diesel engine is carried out factory testing, experiment, the whole process computer control system by employing standard by electric power by the present invention, makes each the diesel engine performance index parameter by test consistent, stable, improves the quality of diesel engine.
2) alleviate the labor intensity of workman and the harm to health, improve production efficiency simultaneously, reduce production cost.
3) whole process need not use diesel oil, it is only necessary to consumes a small amount of electric energy and just diesel engine can be detected, test, without discharge beyond standards.
4) gases at high pressure produced in detection, experimentation are recycled by the present invention, and gases at high pressure are stored and is applied, it is achieved that whole detection, the efficient of the experimentation energy utilize.
The above; it is only presently preferred embodiments of the present invention; not in order to limit the present invention, every any trickle amendment, equivalent replacement and improvement above example made according to the technical spirit of the present invention, should be included within the protection domain of technical solution of the present invention.
Claims (6)
1. a diesel engine intelligent monitoring comprehensive test platform, it is characterized in that, including: multi-function test stand, air accumulator, pneumatic tool and pneumatic electric generator, described multi-function test stand includes: drive motor, shaft coupling, for fixing the fixture of diesel engine to be detected and equipped with the computer control system of the external characteristic curve and experimental technique technological requirement and canonical parameter that enroll all model diesel engines, described drive motor is connected by described shaft coupling and described fixture are fixing, described computer control system is connected with described drive motor signal, the air inlet of described air accumulator connects with the air vent of diesel engine to be detected, the gas outlet of described air accumulator is connected with the air inlet of described air tool air inlet and described pneumatic electric generator respectively.
2. a kind of diesel engine intelligent monitoring comprehensive test platform according to claim 1, it is characterised in that also including electric energy storage device, described electric energy storage device electrically connects with described pneumatic electric generator.
3. a kind of diesel engine intelligent monitoring comprehensive test platform according to claim 2, it is characterised in that described electric energy storage device is accumulator.
4. a kind of diesel engine intelligent monitoring comprehensive test platform according to claim 1, it is characterized in that, the gas outlet place of described air accumulator is provided with first throttle valve, and described air tool air inlet place is provided with second throttle, and the air inlet place of described pneumatic electric generator is provided with the 3rd choke valve.
5. a kind of diesel engine intelligent monitoring comprehensive test platform according to claim 1, it is characterised in that the air inlet place of described air accumulator is provided with check valve.
6. a kind of diesel engine intelligent monitoring comprehensive test platform according to claim 1, it is characterized in that, described computer control system includes: display, programmable logic controller (PLC) and converter able to programme, and described display, described programmable logic controller (PLC) and described converter able to programme are connected by signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610250878.XA CN105784378A (en) | 2016-04-21 | 2016-04-21 | Comprehensive diesel engine inspection bench with intelligent measurement and control functions |
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| CN201610250878.XA CN105784378A (en) | 2016-04-21 | 2016-04-21 | Comprehensive diesel engine inspection bench with intelligent measurement and control functions |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2046551U (en) * | 1989-01-14 | 1989-10-25 | 湖北省咸宁市邮电局温泉分局 | Device for cold-grinding and cold-starting for tractor and automobile |
| RU2285815C2 (en) * | 2004-09-20 | 2006-10-20 | Федеральное государственное образовательное учреждение высшего профессионального образования Ульяновская государственная сельскохозяйственная академия | Device for delivering run-in additive into combustion chamber of internal combustion engine |
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Application publication date: 20160720 |