CN201749031U - Heat balance test device for engine road test - Google Patents
Heat balance test device for engine road test Download PDFInfo
- Publication number
- CN201749031U CN201749031U CN2010202373653U CN201020237365U CN201749031U CN 201749031 U CN201749031 U CN 201749031U CN 2010202373653 U CN2010202373653 U CN 2010202373653U CN 201020237365 U CN201020237365 U CN 201020237365U CN 201749031 U CN201749031 U CN 201749031U
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- rotating speed
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- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The utility model discloses a heat balance test device for an engine road test, which comprises a data acquisition unit DLU, a pressure sensor, a temperature sensor, a rotating speed sensor, a laptop for processing data and a global position system (GPS) speedometer, wherein the data acquisition unit DLU is connected with the portable laptop, the temperature sensor of the engine, the pressure sensor and the rotating speed sensor by test wire harnesses; the rotating speed sensor corresponds to a rotating speed signal panel of the engine; and the GPS speedometer is connected with the portable laptop. When the road test is carried out, the test device is connected with a 24V power supply, inputs special test program into an electronic control unit (ECU) of a natural gas engine, carries out data acquisition and storage on relevant operation parameters and can display a relevant parameter curve in real time. By analyzing the acquired test data for the road test, the heat-dissipating system of a finished automobile can be judged and determined whether to meet the design requirement of the engine or not. The simple and easy test equipment has low cost and stable performance and is convenient to use.
Description
Technical field
The utility model relates to the test of engine road test parameters.
Background technology
Whether engine and car load propulsion system are finished after the coupling, need do actual road test to the matching performance of car load and engine, reasonable to pass judgment on engine and car load propulsion system coupling, whether satisfy the engine design requirement comprising the car load cooling system.At present, most of manufacturers of engines and car load are made commercial city use instrumentation and are done the heat balance test of engine road.This instrumentation is more complicated not only, manipulates inconvenience, and it costs an arm and a leg.In the case, adopt a kind of engine road test unit cheap, multiple functional, easy and simple to handle to seem very necessary, to satisfy the needs of engine whole vehicle actual road test.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of engine road test thermal equilibrium proving installation, by this device, can gather, every operating condition parameter in demonstration and the recording engine actual road test, realize the thermal equilibrium test of engine road test, do not need special test equipment.
The utility model is achieved in that a kind of engine road test thermal equilibrium proving installation, comprise data acquisition unit DLU, pressure transducer, temperature sensor, speed probe, portable notebook computer, the GPS knotmeter, data acquisition unit DLU is connected with portable notebook computer, engine temperature sensing unit, pressure transducer and speed probe by the test wire harness, and speed probe is corresponding with engine rotational speed signal dish position, and the GPS knotmeter is connected with portable notebook computer.
Because road heat balance test proving installation described in the utility model, the data acquisition unit DLU that adopts, various sensors and GPS knotmeter, be specialized factory and produce product in batches, therefore this easily-testing equipment cost is cheap, be about 1/20 of present special engine actual road test testing tool cost, and performance is very stable, easy to use.
Description of drawings
Fig. 1 is a principle of work synoptic diagram of the present utility model.
Among the figure, 1 is portable notebook computer, and 2 is the GPS knotmeter, 3,4,5,6,7,8,9 is temperature sensor, and 10 is speed probe, and 11 is the engine rotational speed signal dish, 12 is the Engine Block Test wire harness, and 13,14,15,16,17 is pressure transducer, and 18 is data acquisition unit DLU.
Embodiment
Preferred embodiment of the utility model is provided by Fig. 1.
As shown in Figure 1, a kind of engine road test thermal equilibrium proving installation comprises data acquisition unit DLU18, pressure transducer 13,14,15,16,17, temperature sensor 3,4,5,6,7,8,9, speed probe 10, the notebook computer 1 of deal with data, GPS knotmeter 2.Data acquisition unit DLU18 one end is connected with portable notebook computer 1, and the other end is connected with Engine Block Test wire harness 12, and Engine Block Test wire harness 12 is connected with portable notebook computer 1, guarantees the data in real time communication; Simultaneously data acquisition unit DLU18 by Engine Block Test wire harness 12 respectively with engine temperature sensing unit 3,4,5,6,7,8,9, pressure transducer 13,14,15,16,17 is connected with speed probe 10, carries out data acquisition; The signal source of speed probe 10 is from engine speed signal panels 11, and speed probe 10 is corresponding with engine rotational speed signal dish 11 positions, and GPS knotmeter 2 is connected with portable notebook computer 1.Portable notebook computer 1 is measured and passed in real time to vehicle speed signal by GPS knotmeter 2.Actual road test when test, connect and connect the 24V power supply and to the special-purpose test procedure of data acquisition unit DLU18 input, can carry out data acquisition and storage, and show the correlation parameter curve in real time the relevant operational factor of engine.Temperature sensor 3 is installed on engine supercharger air intake opening front end, temperature sensor 4 is installed on car load charge air cooler escape pipe, temperature sensor 5 is installed on the car load radiator outlet pipe, temperature sensor 6 is installed on the engine water inlet front end, temperature sensor 7 is installed on the engine water delivering orifice, temperature sensor 8 is installed on engine nacelle, temperature sensor 9 is fixed on the ventilation that car is not subjected to the sunlight direct irradiation outward, is respectively applied for the intake air temperature of measuring engine supercharger, cold back intake air temperature in the engine, car load heating radiator leaving water temperature, the water inflow of the engine temperature, engine outlet water temperature, engine nacelle temperature and environment temperature.For the vehicle of non-automatic wheel box configuration, temperature sensor 5 can not installed, and car load heating radiator leaving water temperature can not measured.Pressure transducer 13 is installed on the supercharger air intake opening front end of engine, the outlet of supercharger air compressor that pressure transducer 14 is installed on engine, pressure transducer 15 and is installed on that gas outlet, pressure transducer 16 near the booster turbine outlet is installed on car load charge air cooler escape pipe, pressure transducer 17 is fixed on outside the car, is respectively applied for the supercharger admission pressure of measuring engine, the supercharger of engine goes out cold back admission pressure and atmospheric pressure in atmospheric pressure, exhaust back pressure, the engine.Engine rotational speed signal dish 11 is looked on the crankshaft vibration damper that the installation site can be installed in engine or on the output pulley, if engine rotational speed signal dish 11 is installed on the crankshaft vibration damper of engine, the rotating speed of the engine rotational speed signal dish 11 that records of speed probe 10 is engine speed so, if the tach signal dish 11 of engine is installed on the output pulley of engine, then need the rotating speed of engine rotational speed signal dish to be converted to the rotating speed of engine by the speed ratio of output pulley and engine.All temperature, pressure and rate signal are by Engine Block Test wire harness 12 records and be stored in portable notebook computer 1.The throttle signal (being load signal) of engine can also be gathered and preserve to this device.GPS knotmeter 2 during with vehicle ' the speed of a motor vehicle, sea level elevation record and be stored in portable notebook computer 1.By analyzing the actual road test thermal equilibrium test data of gathering, can pass judgment on and confirm whether the car load cooling system satisfies the engine design requirement.
Because road heat balance test proving installation described in the utility model, the data acquisition unit DLU18 that adopts, various sensors and GPS2 knotmeter, be specialized factory and produce product in batches, therefore this easily-testing equipment cost is cheap, be about 1/20 of present special engine actual road test testing tool cost, and stable performance, easy to use.Be not only applicable to natural gas engine, be applicable to other engine road test thermal equilibrium test yet.
Claims (1)
1. an engine road is tested the thermal equilibrium proving installation, it is characterized in that comprising data acquisition unit DLU(18), pressure transducer, temperature sensor, speed probe (10), portable notebook computer (1), GPS knotmeter (2), data acquisition unit DLU(18) by test wire harness (12) and portable notebook computer (1), engine temperature sensing unit, pressure transducer is connected with speed probe (10), speed probe (10) is corresponding with engine rotational speed signal dish (11) position, and GPS knotmeter (2) is connected with portable notebook computer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202373653U CN201749031U (en) | 2010-06-25 | 2010-06-25 | Heat balance test device for engine road test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202373653U CN201749031U (en) | 2010-06-25 | 2010-06-25 | Heat balance test device for engine road test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749031U true CN201749031U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202373653U Expired - Fee Related CN201749031U (en) | 2010-06-25 | 2010-06-25 | Heat balance test device for engine road test |
Country Status (1)
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| CN (1) | CN201749031U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018049A (en) * | 2012-12-25 | 2013-04-03 | 潍柴动力股份有限公司 | System and method for acquiring road spectrum of engine of mechanical pump |
| CN103616183A (en) * | 2013-12-05 | 2014-03-05 | 哈尔滨工程大学 | Marine-diesel-engine general-parameter monitoring device and method based on virtual instrument |
| CN104180997A (en) * | 2014-09-02 | 2014-12-03 | 南京汽车集团有限公司 | Indoor testing device and method for vehicle heat balance ability |
| CN104297000A (en) * | 2014-11-10 | 2015-01-21 | 北京汽车股份有限公司 | Signal processing device and method for finished vehicle heat balance test |
| CN112485009A (en) * | 2020-11-17 | 2021-03-12 | 潍柴动力股份有限公司 | Ambient temperature detection method and device, controller and vehicle |
-
2010
- 2010-06-25 CN CN2010202373653U patent/CN201749031U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018049A (en) * | 2012-12-25 | 2013-04-03 | 潍柴动力股份有限公司 | System and method for acquiring road spectrum of engine of mechanical pump |
| CN103018049B (en) * | 2012-12-25 | 2015-09-09 | 潍柴动力股份有限公司 | The system and method for a kind of collection machinery pump engine road spectrum |
| CN103616183A (en) * | 2013-12-05 | 2014-03-05 | 哈尔滨工程大学 | Marine-diesel-engine general-parameter monitoring device and method based on virtual instrument |
| CN104180997A (en) * | 2014-09-02 | 2014-12-03 | 南京汽车集团有限公司 | Indoor testing device and method for vehicle heat balance ability |
| CN104297000A (en) * | 2014-11-10 | 2015-01-21 | 北京汽车股份有限公司 | Signal processing device and method for finished vehicle heat balance test |
| CN104297000B (en) * | 2014-11-10 | 2018-03-23 | 北京汽车股份有限公司 | A kind of signal processing apparatus and method of vehicle heat balance test |
| CN112485009A (en) * | 2020-11-17 | 2021-03-12 | 潍柴动力股份有限公司 | Ambient temperature detection method and device, controller and vehicle |
| CN112485009B (en) * | 2020-11-17 | 2023-01-24 | 潍柴动力股份有限公司 | Ambient temperature detection method and device, controller and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20170625 |