CN102735448A - Monitoring device and method for engineering mechanical power system - Google Patents
Monitoring device and method for engineering mechanical power system Download PDFInfo
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- CN102735448A CN102735448A CN2012102014584A CN201210201458A CN102735448A CN 102735448 A CN102735448 A CN 102735448A CN 2012102014584 A CN2012102014584 A CN 2012102014584A CN 201210201458 A CN201210201458 A CN 201210201458A CN 102735448 A CN102735448 A CN 102735448A
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Abstract
The invention relates to the technical field of engineering machinery, and discloses a monitoring device and a monitoring method for an engineering mechanical power system. The monitoring device for the engineering mechanical power system comprises a fan, a power measurement machine, a flowmeter, a first temperature sensor group, a first pressure sensor group and a second temperature sensor group, wherein the fan is used for simulating the born wind speed of an engine of the power system in an actual operating process; the power measurement machine is used for monitoring the power of the engine of the power system; the flowmeter is used for monitoring the air flow of an air filter of the power system; the first temperature sensor group is used for monitoring the water temperature of a water tank of the power system; and the first pressure sensor group and the second temperature sensor group are used for monitoring the pressure and the temperature of an intercooler of the power system. By the device and the method, the endurance test can be performed according to the simulated engineering mechanical power system in an actual working state; and the working states of various supporting facilities such as the air filter, the water tank and the intercooler can be monitored by added sensors at any time.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of engineering machinery power system monitoring device and method.
Background technology
Present construction machinery industry engine is based on engine basically when using supporting type selecting performance characteristic carries out; Demonstration test can simply be mated in some enterprise on car load; But owing to receive the restriction of condition of work; Can not carry out under the rugged surroundings (maximum torque point and maximum power point) test to the power system of car load and mate checking; And after being assembled to power system on the car load, it still is relatively more difficult comparatively speaking that the power system on the car load is made an experiment.If mate bad engineering machinery work long hours under given conditions can occur boiling of the radiator, in the higher generation that causes phenomenons such as oil consumption power bigger than normal is on the low side of cold back intake air temperature.
Therefore, how before being assembled to car load, carrying out practical work environmental simulation monitoring to existing power system, so that the matching of power system is better, is the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the present invention is intended to propose a kind of engineering machinery power system monitoring device and method, can not before being assembled to car load, carry out practical work environmental simulation problems of monitoring to solve prior art medium power system.
On the one hand, the invention provides a kind of engineering machinery power system monitoring device, comprising:
Be used for simulating the blower fan of the suffered wind speed of power system engine actual travel process;
Be used to monitor the dynamometer machine of power system engine capacity;
Be used to monitor the air flowmeter of power system air cleaner air mass flow;
Be used to monitor first sets of temperature sensors of power system water tank water temperature;
Be used to monitor the first pressure transducer group and second sets of temperature sensors of power system charge air cooler pressure and temperature.
Further,
Said blower fan is a frequency conversion fan;
Said frequency conversion fan is arranged on the position of aiming at said engine belt pulley.
Further,
The output shaft of said engine is connected on the said dynamometer machine; And/or
Said air flowmeter is arranged on said air cleaner and the pipeline that said engine is connected; And/or
Said first sets of temperature sensors comprises:
Be arranged on first temperature sensor on the water inlet pipe between said water tank and the said engine; And/or
Be arranged on second temperature sensor on the rising pipe between said water tank and the said engine.
Further,
Also comprise controller and display;
Said blower fan, said dynamometer machine, said air flowmeter, said first sets of temperature sensors, the said first pressure transducer group and said second sets of temperature sensors are electrically connected said controller;
Said controller receives each testing result and is sent to display and shows.
Further,
The said first pressure transducer group comprises:
Be arranged on first pressure transducer on the draft tube between said charge air cooler and the said engine supercharger; And/or
Be arranged on second pressure transducer on the escape pipe between said charge air cooler and the said engine; And/or
Said second sets of temperature sensors comprises:
Be arranged on the three-temperature sensor on the draft tube between said charge air cooler and the said engine supercharger; And/or
Be arranged on the 4th temperature sensor on the escape pipe between said charge air cooler and the said engine.
According to a further aspect in the invention, the present invention also provides a kind of engineering machinery power system monitoring method, comprising:
Suffered wind speed in the simulation power system engine actual travel process;
Monitoring power system engine capacity;
Monitoring power system air cleaner air mass flow;
Monitoring power system water tank water temperature;
The pressure and temperature of monitoring power system charge air cooler.
Further, suffered wind speed comprises in the said simulation power system engine actual travel process:
Suffered wind speed in the simulated engine actual travel process is carried out in position aiming at said engine belt pulley.
Further, said monitoring power system engine capacity comprises:
Output shaft monitoring engine capacity at said engine; And/or
Said monitoring power system air cleaner air mass flow comprises:
Test air cleaner air mass flow on said air cleaner and pipeline that said engine is connected.
Further, said monitoring power system tank water thermometer bulb is drawn together
The water temperature of monitoring stream inlet water tank on said water tank and water inlet pipe that said engine is connected; And/or
The water temperature of monitoring stream water tank on said water tank and rising pipe that said engine is connected.
Further, the pressure and temperature of said monitoring power system charge air cooler comprises:
Monitoring admission pressure on the draft tube between said charge air cooler and the said engine supercharger; And/or
Monitoring out atmospheric pressure on the escape pipe between said charge air cooler and the said engine; And/or
Monitoring intake air temperature on the draft tube between said charge air cooler and the said engine supercharger; And/or
Monitoring air outlet temperature on the escape pipe between said charge air cooler and the said engine.
A kind of engineering machinery power system monitoring device provided by the invention comprises: the blower fan that is used for simulating the suffered wind speed of power system engine actual travel process; Be used to monitor the dynamometer machine of power system engine capacity; Be used to monitor the flowmeter of power system air cleaner air mass flow; Be used to monitor first sets of temperature sensors of power system water tank water temperature; Be used to monitor the first pressure transducer group and second sets of temperature sensors of power system charge air cooler pressure and temperature.We can carry out long duration test according to the model engineering mechanical dynamic system under the duty of reality like this, and monitor the duty of each auxiliary facility such as air cleaner, water tank, charge air cooler etc. at any time through the sensor that installs additional.
Description of drawings
A kind of engineering machinery power system monitoring simulation block diagram that Fig. 1 provides for the embodiment of the invention;
A kind of engineering machinery power system observation circuit theory diagram that Fig. 2 provides for the embodiment of the invention;
The FB(flow block) of a kind of engineering machinery power system prison method that Fig. 3 provides for the embodiment of the invention.
Description of reference numerals: 1, air flowmeter; 2, first temperature sensor; 21, second temperature sensor; 3, first pressure transducer; 31, second pressure transducer; 4, three-temperature sensor; 41, the 4th temperature sensor.
Embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Should be pointed out that description and the description order to concrete structure only is the explanation to specific embodiment in this part, should not be regarded as that protection scope of the present invention is had any restriction.
Please refer to Fig. 1, Fig. 1 is a kind of engineering machinery power system of the present invention monitoring device, comprising: the blower fan that is used for simulating the suffered wind speed of power system engine actual travel process; Be used to monitor the dynamometer machine of power system engine capacity; Be used to monitor the air flowmeter 1 of power system air cleaner air mass flow; Be used to monitor first sets of temperature sensors of power system water tank water temperature; Be used to monitor the first pressure transducer group and second sets of temperature sensors of power system charge air cooler pressure and temperature.
Intactly be placed on the test-bed through power system and monitor engineering machinery; And simulation power system suffered wind speed under the situation in working order; Can effectively simulate the situation of power real work, and can carry out long duration test to the duty of power system under rugged surroundings under this pick-up unit.
Preferably, as shown in Figure 1, blower fan is a frequency conversion fan; Frequency conversion fan is arranged on the position of aiming at said engine belt pulley.Selecting frequency conversion fan can simulate power system works under different wind; And frequency conversion fan is over against a side of engine belt pulley; Common its belt pulley one side in back is in the engineering machinery dead ahead on the work mechanism because engine is installed to, and practical work process can receive certain wind speed influence.
Preferably, as shown in Figure 1, the output shaft of engine is connected on the said dynamometer machine; Air flowmeter is arranged on air cleaner and the pipeline that said engine is connected.First sets of temperature sensors comprises: be arranged on first temperature sensor 2 on water tank and the water inlet pipe that engine is connected; Be arranged on second temperature sensor 21 on water tank and the rising pipe that engine is connected, also be provided with the exhaust box of simulation real work on the engine, to reduce noise.
Preferably, the first pressure transducer group comprises: be arranged on first pressure transducer 3 on the draft tube between charge air cooler and the engine supercharger; Be arranged on second pressure transducer 31 on the escape pipe between charge air cooler and the engine; Second sets of temperature sensors comprises: be arranged on the three-temperature sensor 4 on the draft tube between charge air cooler and the engine supercharger; Be arranged on the 4th temperature sensor 41 on the escape pipe between charge air cooler and the engine.
Further preferred mode; As shown in Figure 2; First pressure transducer 3, second pressure transducer 31, three-temperature sensor 4, the 4th temperature sensor 41, first temperature sensor 2, second temperature sensor 21, blower fan, dynamometer machine, air flowmeter are electrically connected controller, and wherein, blower fan is controlled with controller; Other monitoring devices send to controller with monitoring result, and controller sends monitoring result to display and shows.
According to a further aspect in the invention, the present invention also provides a kind of engineering machinery power system monitoring method, and is as shown in Figure 3, comprising:
Step 5, the pressure and temperature of monitoring power system charge air cooler.
Preferably, step 1 comprises: suffered wind speed in the simulated engine actual travel process is carried out in the position aiming at said engine belt pulley.
Preferably, step 2 comprises: in the output shaft monitoring engine capacity of said engine; Step 3 comprises: test air cleaner air mass flow on said air cleaner and pipeline that said engine is connected.
Preferably, step 4 comprises: the water temperature of monitoring stream inlet water tank on water tank and water inlet pipe that engine is connected; The water temperature of monitoring stream water tank on water tank and rising pipe that engine is connected.
Preferably, step 5 comprises: monitoring admission pressure on the draft tube between said charge air cooler and the said engine supercharger; Monitoring out atmospheric pressure on the escape pipe between said charge air cooler and the said engine; Monitoring intake air temperature on the draft tube between said charge air cooler and the said engine supercharger; Monitoring air outlet temperature on the escape pipe between said charge air cooler and the said engine.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an engineering machinery power system monitoring device is characterized in that, comprising:
Be used for simulating the blower fan of the suffered wind speed of power system engine actual travel process;
Be used to monitor the dynamometer machine of power system engine capacity;
Be used to monitor the air flowmeter of power system air cleaner air mass flow;
Be used to monitor first sets of temperature sensors of power system water tank water temperature;
Be used to monitor the first pressure transducer group and second sets of temperature sensors of power system charge air cooler pressure and temperature.
2. power system monitoring device as claimed in claim 1 is characterized in that:
Said blower fan is a frequency conversion fan;
Said frequency conversion fan is arranged on the position of aiming at said engine belt pulley.
3. power system monitoring device as claimed in claim 1 is characterized in that: the output shaft of said engine is connected on the said dynamometer machine; And/or
Said air flowmeter is arranged on said air cleaner and the pipeline that said engine is connected; And/or
Said first sets of temperature sensors comprises
Be arranged on first temperature sensor on the water inlet pipe between said water tank and the said engine; And/or
Be arranged on second temperature sensor on the water pipe between said water tank and the said engine.
4. like each described power system monitoring device of claim 1-4, it is characterized in that the said first pressure transducer group comprises:
Be arranged on first pressure transducer on the draft tube between said charge air cooler and the said engine supercharger; And/or
Be arranged on second pressure transducer on the escape pipe between said charge air cooler and the said engine; And/or
Said second sets of temperature sensors comprises:
Be arranged on the three-temperature sensor on the draft tube between said charge air cooler and the said engine supercharger; And/or
Be arranged on the 4th temperature sensor on the escape pipe between said charge air cooler and the said engine.
5. power system monitoring device as claimed in claim 1 is characterized in that, also comprises controller and display;
Said blower fan, said dynamometer machine, said air flowmeter, said first sets of temperature sensors, the said first pressure transducer group and said second sets of temperature sensors are electrically connected said controller;
Said controller receives each testing result and is sent to display and shows.
6. engineering machinery power system monitoring method is characterized in that: comprising:
Suffered wind speed in the simulation power system engine actual travel process;
Monitoring power system engine capacity;
Monitoring power system air cleaner air mass flow;
Monitoring power system water tank water temperature;
The pressure and temperature of monitoring power system charge air cooler.
7. power system monitoring method as claimed in claim 6 is characterized in that: suffered wind speed comprises in the said simulation power system engine actual travel process:
Suffered wind speed in the simulated engine actual travel process is carried out in position aiming at said engine belt pulley.
8. power system monitoring method as claimed in claim 6 is characterized in that: said monitoring power system engine capacity comprises:
Output shaft monitoring engine capacity at said engine; And/or
Said monitoring power system air cleaner air mass flow comprises:
Test air cleaner air mass flow on said air cleaner and pipeline that said engine is connected.
9. power system monitoring method as claimed in claim 6 is characterized in that: said monitoring power system tank water thermometer bulb is drawn together
The water temperature of monitoring stream inlet water tank on said water tank and water inlet pipe that said engine is connected; And/or
The water temperature of monitoring stream water tank on said water tank and rising pipe that said engine is connected.
10. like each described power system monitoring method of claim 6-9, it is characterized in that the pressure and temperature of said monitoring power system charge air cooler comprises:
Monitoring admission pressure on the draft tube between said charge air cooler and the said engine supercharger; And/or
Monitoring out atmospheric pressure on the escape pipe between said charge air cooler and the said engine; And/or
Monitoring intake air temperature on the draft tube between said charge air cooler and the said engine supercharger; And/or
Monitoring air outlet temperature on the escape pipe between said charge air cooler and the said engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102014584A CN102735448A (en) | 2012-06-18 | 2012-06-18 | Monitoring device and method for engineering mechanical power system |
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| CN2012102014584A CN102735448A (en) | 2012-06-18 | 2012-06-18 | Monitoring device and method for engineering mechanical power system |
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Citations (5)
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| CN101718628A (en) * | 2009-11-26 | 2010-06-02 | 浙江大学 | Air intake management and test system for internal combustion engine |
| CN201583405U (en) * | 2010-01-27 | 2010-09-15 | 北京信息科技大学 | Fault monitoring predicting system of motive power equipment |
| CN101875301A (en) * | 2009-04-30 | 2010-11-03 | 徐州重型机械有限公司 | Crane and controllable radiation system thereof |
| US20110106351A1 (en) * | 2009-11-02 | 2011-05-05 | Gm Global Technology Operations, Inc. | Method for controlling motor/generator cooling in a multi-mode transmission |
| CN102230847A (en) * | 2011-04-01 | 2011-11-02 | 浙江大学 | Test device for engine thermal management system |
-
2012
- 2012-06-18 CN CN2012102014584A patent/CN102735448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875301A (en) * | 2009-04-30 | 2010-11-03 | 徐州重型机械有限公司 | Crane and controllable radiation system thereof |
| US20110106351A1 (en) * | 2009-11-02 | 2011-05-05 | Gm Global Technology Operations, Inc. | Method for controlling motor/generator cooling in a multi-mode transmission |
| CN101718628A (en) * | 2009-11-26 | 2010-06-02 | 浙江大学 | Air intake management and test system for internal combustion engine |
| CN201583405U (en) * | 2010-01-27 | 2010-09-15 | 北京信息科技大学 | Fault monitoring predicting system of motive power equipment |
| CN102230847A (en) * | 2011-04-01 | 2011-11-02 | 浙江大学 | Test device for engine thermal management system |
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Application publication date: 20121017 |