CN105424372B - Multi-parameter constant speed performance of internal combustion engine detection device and its detection method - Google Patents
Multi-parameter constant speed performance of internal combustion engine detection device and its detection method Download PDFInfo
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- CN105424372B CN105424372B CN201510771022.2A CN201510771022A CN105424372B CN 105424372 B CN105424372 B CN 105424372B CN 201510771022 A CN201510771022 A CN 201510771022A CN 105424372 B CN105424372 B CN 105424372B
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- combustion engine
- internal combustion
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- constant speed
- control box
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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
-
- 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
- G01M15/044—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12 by monitoring power, e.g. by operating the engine with one of the ignitions interrupted; by using acceleration tests
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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 present invention relates to multi-parameter constant speed performance of internal combustion engine detection device and its detection methods, this multi-parameter constant speed performance of internal combustion engine detection device includes internal-combustion engine system, oil supply system, cooling system, alternating current generator, heating tube, electric load control cabinet, multi-parameter automatic control box, internal-combustion engine system includes internal combustion engine, one alternating current generator is installed on the end output shaft of internal combustion engine, alternator output terminals connect 16 groups of identical heating tubes, each group of heating tube is all connected with corresponding controller, controller is arranged in electric load control cabinet, electric load control cabinet connects multi-parameter automatic control box；The fuel tank of oil supply system connects fuel consumption meter, and fuel consumption meter connects internal combustion engine；The hybrid water tank of cooling system connects internal combustion engine；Internal combustion engine connects throttle adjustment system；Fuel consumption meter, solenoid valve, throttle adjustment system are connect with multi-parameter automatic control box.Load of the present invention using heating tube as internal combustion engine can significantly reduce test error.
Description
Technical field
The present invention relates to engine performance technical field of measurement and test, and in particular to multi-parameter constant speed performance of internal combustion engine detection device
And its detection method.
Background technology
World Trade Organization is added since China within 2001, eliminates the import quota of automobile and its related accessory, I
Huge variation has occurred in state's automobile industry.From 2005, Chinese automobile yield was doubled for every 3 years, and automobile market is by the seller
Switch to buyer, vehicle price constantly tends to be reasonable, and 4,000,000 families have fulfilled car dream in advance, and China's automobile industry becomes world's vapour
One important component of vehicle industry, China's automobile market are considered as the maximum market of future development potentiality.Therefore, automobile
The yield of core component --- internal combustion engine is also skyrocketed through therewith, and the demand of internal combustion engine factory testing is also just increasing.Mesh
The preceding country to the test of constant speed performance of internal combustion engine is carried out by test-bed mostly.The internal combustion engine measurement of power equipment that the country uses
The overwhelming majority is hydraulic dynamometer or Electric Dynamometer.
Such as：CN2141561Y has issued the multi-tester for diagnosing various types engine technology state, should
Device is suitable for the detection of the parameters such as valve clearance, the port timing of various types engine, but can not carry out part throttle characteristics examination
It tests.
CN203149092U discloses a kind of extended-range testing stand, which takes the technological means of electric power measurement of power
It is tested, but the heat that friction generates when due to equipment operation is very big, equipment itself has prodigious dissipation effect, therefore, surveys
The data obtained and the load characteristic curve drawn out will have large error with actual conditions.
It needs a kind of better measurement of power method to carry out the accuracy of guarantee test data, internal combustion engine optimum speed and load is provided
Matching.
Invention content
It is an object of the present invention to provide multi-parameter constant speed performance of internal combustion engine detection device, this multi-parameter internal combustion engine is negative
Lotus characteristic detection device is for solving the problems, such as that the test device test error in the prior art to constant speed performance of internal combustion engine is big, originally
Another purpose of invention is to provide the detection method of this multi-parameter constant speed performance of internal combustion engine detection device.
The technical solution adopted by the present invention to solve the technical problems is：This multi-parameter constant speed performance of internal combustion engine detection dress
It sets automatic including internal-combustion engine system, oil supply system, cooling system, alternating current generator, heating tube, electric load control cabinet, multi-parameter
Control cabinet, internal-combustion engine system include internal combustion engine, and an alternating current generator, alternating current generator are installed on the end output shaft of internal combustion engine
Output end connects 16 groups of identical heating tubes, and each group of heating tube is all connected with corresponding controller, and controller is arranged at electricity
In spatial load forecasting case, electric load control cabinet connects multi-parameter automatic control box；The fuel tank of oil supply system connects fuel consumption meter, fuel consumption meter
Connect internal combustion engine；The hybrid water tank of cooling system connects internal combustion engine, and hybrid water tank is provided with solenoid valve；Internal combustion engine connection oil
Door regulating system；Fuel consumption meter, solenoid valve, throttle adjustment system are connect with multi-parameter automatic control box.
Internal combustion engine is diesel engine or gasoline engine in said program.
Above-mentioned multi-parameter constant speed performance of internal combustion engine detection device detection method：
1, internal combustion engine is mounted on rack, is linked together by universal joint and alternating current generator, internal-combustion engine rotational speed height
Adjustment of rotational speed is executed by throttle for IC engine regulating system；
2, start internal combustion engine：Check whether storage battery charging is intact, allows internal combustion engine no-load running after start completion before experiment, and
Record every experimental data in no-load running；
3, increase engine load：First increase engine load, by multi-parameter automatic control box sign on electric load control
Case processed increases electric load, and at this moment show value occur in corresponding voltmeter and ammeter on multi-parameter automatic control box, then by joining more
Number automatic control box control is to refuel in fuel consumption meter measurement measuring cup, after internal combustion engine, which increases load operation, to be stablized, control valve, and note
The oil in internal combustion engine consumption measuring cup is recorded to measure oil consumption time and other every measurement data, is further added by after the completion of data record interior
Combustion engine load repeats this step；
4, load characteristic curve is drawn：The parameter of power, fuel consumption and oil consumption rate is first calculated, then draws part throttle characteristics
Curve.
The invention has the advantages that：
1, the present invention uses heating tube that can significantly reduce test error as the load of internal combustion engine, compares conventional measurement
Work(method error smaller can more accurately match the relationship between internal combustion engine optimum speed and load, accurately test out very much
Part throttle characteristics parameter of the internal combustion engine under various operating modes and the load characteristic curve for drawing out internal combustion engine.
2, the present invention will not influence the accuracy tested because service life is long, and greatly reduce laboratory
Required area and height.
3, the present invention is exploitation, the test equipment developed, repair internal combustion engine.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is multi-parameter automatic control box fundamental diagram in the present invention；
Fig. 3 is the load characteristic curve figure that the present invention is drawn.
In figure：1 internal combustion engine；2 alternating current generators；3 electric load control cabinets；4 electric load casees；5 multi-parameter automatic control boxs；6
Throttle adjustment system；7 fuel consumption meters；8 hybrid water tanks；9 solenoid valves；10 fuel tanks.
Specific implementation mode
The present invention will be further described below with reference to the drawings：
As shown in Figure 1, this multi-parameter constant speed performance of internal combustion engine detection device include internal-combustion engine system, it is oil supply system, cold
But system, alternating current generator 2, heating tube, electric load control cabinet 3, multi-parameter automatic control box 5, internal-combustion engine system include internal combustion
Machine 1, internal combustion engine 1 are diesel engine or gasoline engine.One transfer efficiency is installed known and accurately on the end output shaft of internal combustion engine 1
Generator, 2 output end of alternating current generator connect 16 groups of identical heating tubes, and each group of heating tube is all connected with corresponding control
Device, i.e., each group of heating tube has the independent device being connected and disconnected from, heating tube can be by internal combustion in electric load control cabinet 3
The kinetic energy of machine 1 is converted into electric energy, and changes the load of internal combustion engine 1 by heating the adjusting of tube power.Heating tube setting is negative in electricity
In lotus case 4, controller is arranged in electric load control cabinet 3, and when connecting the heating tube of different number, internal combustion engine 1 is born
Load just differ.Electric load control cabinet 3 connects multi-parameter automatic control box 5, and multi-parameter automatic control box 5 is whole for showing
The monitoring data of a testing stand and the watt level for controlling heating tube.
The fuel tank 10 of oil supply system connects fuel consumption meter 7, and fuel consumption meter 7 connects internal combustion engine 1, and oil supply system is for providing internal combustion engine
1 fuel oil and the consumption for measuring fuel oil；The hybrid water tank 8 of cooling system connects internal combustion engine 1, and hybrid water tank 8 is provided with electricity
Magnet valve 9；Internal combustion engine 1 connects throttle adjustment system 6；Fuel consumption meter 7, solenoid valve 9, throttle adjustment system 6 are controlled with multi-parameter automatically
Case 5 processed connects.When internal combustion engine 1 is changed due to load conversion rotating speed, changes the fuel delivery size of internal combustion engine 1, make internal combustion
Machine 1 is run under a certain fixed rotating speed, and the part throttle characteristics of internal combustion engine 1 is re-recorded after 1 rotating speed of internal combustion engine restores defined rotating speed
Parameter.
Fig. 2 is 5 fundamental diagram of multi-parameter automatic control box, and supervisory control desk operation principle is input 220V voltages, supply
The solid-state relay of Burden box circuit（J1-J1、J2-J2……）The electric current of voltage regulation plate of trigger voltage.Switch QK is pressed respectively1、
QK2 ... make solid-state relay J1-J1、J2-J2... it is attracted or disconnects, when actuation can make solid-state relay by disconnected flexible defeated
Go out dynamometric power.Thus it is attracted quantity difference, output load size is just different.Watt level is to use digital voltmeter and electricity
Flow table measures.Oil temperature, engine oil pressure, delivery temperature, engine outlet water temperature are measured using Existing in Intelligent Instruments, are all made of
Sensor is primary instrument.Each instrument connect the electric signal that should be able to export 4-20mA with computer.Throttle control system is adopted
Positive and negative rotation work is completed with direct current generator.By QKB、QKCRealize plus-minus throttle.By QKB, make JB-JBIt is attracted, open out；When by QKC
Make J when buttonC-JCIt is attracted, subtracts throttle, at this time JB-JBIt disconnects, mainly JB、JCThe mutual self-locking of normally-closed contact prevents short circuit.Cooling system
System supplies internal combustion engine 1 using hybrid water tank 8.Temperature controlling point is set using W adjustable resistances, temperature controlling point is detected by sensor Pt100
Signal sends temperature controller back to.When 1 exit water temperature of internal combustion engine is higher than setting value, by temperature controller, relay suction is inside set
It closes, output power supply gives hybrid water tank 8 water supply electromagnetic valve 9, valve is made to open, and to cistern water supply, carries out combination cooling.
When 1 outlet temperature of internal combustion engine is in setting value, the power-off of solenoid valve 9, which is closed, to be stopped.
Multi-parameter constant speed performance of internal combustion engine testing principle of the present invention：
Internal combustion engine 1 is mounted on rack, and one is connected to omnipotent axis (universal joint) and ac dynamometer (alternating current generator)
It rises.Rotating speed height executes adjustment of rotational speed by 1 throttle regulator system 6 of internal combustion engine behind internal combustion engine 1.When 1 indices of internal combustion engine
When reaching regulation experiment value, application of load in electric load case 4 is given by 5 sign on electric load control cabinet 3 of multi-parameter automatic control box,
At this moment there is show value in 5 corresponding voltmeter of multi-parameter automatic control box and ammeter.When some state change, rotating speed can
There can be decline.At this moment start throttle adjustment system 6 and increase and decrease the requirement that throttle makes rotating speed reach test determination.It is measured with fuel consumption meter 7
1 oil consumption of internal combustion engine, method are to press oil consumption startup when 1 part throttle characteristics of internal combustion engine, one timing (by setting progress before testing) and open
It closes, starts to measure oil consumption unit (second) time.Control cabinet completes hybrid water tank 8 to internal-combustion engine cooling system by solenoid valve 9
It automatically controls.
Above-mentioned multi-parameter constant speed performance of internal combustion engine detection device detection method changes 1 load of internal combustion engine using heating tube, surveys
Internal combustion engine 1 is tried under conditions of different rotating speeds, performance indicator is tested for the property internal combustion engine 1 with the variation relation of load
And load characteristic curve is drawn, it is specific as follows：
1, internal combustion engine 1 is mounted on rack, is linked together by universal joint and alternating current generator 2, and 1 rotating speed of internal combustion engine is high
It is low that adjustment of rotational speed is executed by throttle for IC engine regulating system 6；
2, start internal combustion engine：Check whether storage battery charging is intact, allows 1 no-load running of internal combustion engine after start completion before experiment,
And record every experimental data in no-load running；
3, increase engine load：First increase by 1 load of internal combustion engine, by 5 sign on electric load of multi-parameter automatic control box
Control cabinet 3 increases electric load, and at this moment show value occur in corresponding voltmeter and ammeter on multi-parameter automatic control box 5, then by
The control of multi-parameter automatic control box 5 is to refuel in the measurement measuring cup of fuel consumption meter 7, after internal combustion engine 1, which increases load operation, to be stablized, is adjusted
Valve, record internal combustion engine 1 consume the oil in measuring cup to measure oil consumption time and other every measurement data, after the completion of data record
It is further added by 1 load of internal combustion engine, repeats this step；
4, load characteristic curve is drawn：The parameter of power, fuel consumption and oil consumption rate is first calculated, then draws part throttle characteristics
Curve.
One-time detection experiment is carried out using the present invention, it is as follows to measure design parameter, draws load characteristic curve such as Fig. 3 institutes
Show.
Claims (2)
1. a kind of multi-parameter constant speed performance of internal combustion engine detection device, it is characterised in that：This multi-parameter constant speed performance of internal combustion engine inspection
It includes internal-combustion engine system, oil supply system, cooling system, alternating current generator to survey device（2）, heating tube, electric load control cabinet（3）、
Multi-parameter automatic control box（5）, internal-combustion engine system includes internal combustion engine（1）, internal combustion engine（1）End output shaft on installation one friendship
Flow generator（2）, alternating current generator（2）Output end connects 16 groups of identical heating tubes, and each group of heating tube is all connected with accordingly
Controller, controller is arranged at electric load control cabinet（3）It is interior, electric load control cabinet（3）Connect multi-parameter automatic control box
（5）；The fuel tank of oil supply system（10）Connect fuel consumption meter（7）, fuel consumption meter（7）Connect internal combustion engine（1）；The hybrid water of cooling system
Case（8）Connect internal combustion engine（1）, hybrid water tank（8）It is provided with solenoid valve（9）；Internal combustion engine（1）Connect throttle adjustment system（6）；
Fuel consumption meter（7）, solenoid valve（9）, throttle adjustment system（6）With multi-parameter automatic control box（5）Connection;Heating tube is by internal combustion
Machine（1）Kinetic energy be converted into electric energy, and pass through and heat the adjusting of tube power and change internal combustion engine（1）Load.
2. multi-parameter constant speed performance of internal combustion engine detection device according to claim 1, it is characterised in that：The internal combustion engine
（1）For diesel engine or gasoline engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771022.2A CN105424372B (en) | 2015-11-12 | 2015-11-12 | Multi-parameter constant speed performance of internal combustion engine detection device and its detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771022.2A CN105424372B (en) | 2015-11-12 | 2015-11-12 | Multi-parameter constant speed performance of internal combustion engine detection device and its detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105424372A CN105424372A (en) | 2016-03-23 |
| CN105424372B true CN105424372B (en) | 2018-08-28 |
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ID=55502726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510771022.2A Expired - Fee Related CN105424372B (en) | 2015-11-12 | 2015-11-12 | Multi-parameter constant speed performance of internal combustion engine detection device and its detection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105424372B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2141561Y (en) * | 1992-10-29 | 1993-09-01 | 潘和柱 | Multi-function ingine tester |
| CN202393597U (en) * | 2011-12-28 | 2012-08-22 | 上海鑫赛孚能源科技有限公司 | Engine power testboard system |
| CN203149092U (en) * | 2013-02-06 | 2013-08-21 | 北京汽车新能源汽车有限公司 | Extended range type testing stand |
-
2015
- 2015-11-12 CN CN201510771022.2A patent/CN105424372B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN105424372A (en) | 2016-03-23 |
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Granted publication date: 20180828 Termination date: 20211112 |