CN103698131A - Load simulation system for engine accessories - Google Patents
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- CN103698131A CN103698131A CN201310721557.XA CN201310721557A CN103698131A CN 103698131 A CN103698131 A CN 103698131A CN 201310721557 A CN201310721557 A CN 201310721557A CN 103698131 A CN103698131 A CN 103698131A
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Abstract
The invention discloses a load simulation system for engine accessories. The load simulation system comprises an engine, an air compressor load simulation module, an air conditioner load simulation module, a generator load simulation module and a control unit, wherein the air compressor load simulation module comprises an air compressor, a gas storage tank and an unloading valve, the air conditioner load simulation module comprises an air conditioner compressor, a drying tank, a radiator, a condenser, an evaporator and a cooling fan, and the generator load simulation module comprises a generator and a power adjusting module. When an engine rig test is carried out, the load simulation modules can be independently or simultaneously controlled, each load simulation module can provide load varying in a certain range, and the system can be used for steplessly adjusting the size of the load, so that the universality of the system is very strong.
Description
Technical field
The present invention relates to automobile technical field, relate in particular to a kind of engine accessory power rating load simulation system.
Background technology
When engine rig test, need to simulate the engine accessory power rating load on car load, be air compressor machine load, air-conditioning load and generator loading, its objective is better simulated engine actual operating mode, think that the performance and the reliability that guarantee engine complete machine and annex thereof provide effective test figure.
Existing engine accessory power rating load simulation system is mostly directly the load on car load to be pulled down, and carries out a little and change to adapt to bench test.But, this by transplanting the mode of accessory load, not only migration process is wasted time and energy, and the diversity of accessory load, make existing engine accessory power rating load simulation system versatility poor, for example: for air-conditioning load, because the air-conditioning stature of motorbus is very large, the air-conditioning stature of other vehicle is relatively little, so power of the air-conditioning load being equipped with for different automobile types, connected modes etc. all may be different, in order better to simulate the actual state of air-conditioning load, just require the load simulation system to change to mate the air-conditioning load of different automobile types, but, the load of simulation air-conditioning is often limited by rack space, test setup time length waits restriction, versatility is poor.
Summary of the invention
In view of this, the fundamental purpose of the embodiment of the present invention is to provide a kind of engine accessory power rating load simulation system, with the poor defect of versatility of avoiding existing load simulation system to be had because transplanting load.
For achieving the above object, the embodiment of the present invention provides a kind of engine accessory power rating load simulation system, and described system comprises:
Engine, air compressor machine load simulation module, air-conditioning load simulation module, generator loading analog module and control module; Wherein, described air compressor machine load simulation module comprises air compressor machine, gas-holder and unloader, and described air-conditioning load simulation module comprises compressor of air conditioner, drying chamber, heating radiator, condenser, evaporator, cooling fan; Described generator loading analog module comprises generator and power conditioning module;
Described engine, for when moving, drives the one or more runnings simultaneously in described air compressor machine, described compressor of air conditioner and described generator;
Described air compressor machine, sends into described gas-holder for pressurized air and by the air of compression through the first pipeline; Described unloader, valve-off while being less than or equal to the opening pressure of described unloader for the gaseous tension at described gas-holder, when the gaseous tension in described gas-holder is greater than the opening pressure of described unloader, automatic Open valve is to carry out off-load;
Described compressor of air conditioner, for compression and low pressure cryogenic gas, and sends into described drying chamber by the high temperature and high pressure gas obtaining after compression through the second pipeline; Described drying chamber, for described high temperature and high pressure gas is dehumidified, and sends into described heating radiator by the high temperature and high pressure gas after dehumidifying through the 3rd pipeline; Described heating radiator, carries out coolingly for the high temperature and high pressure gas to after described dehumidifying, and the high temperature high pressure liquid obtaining after cooling is sent into described condenser through the 4th pipeline; Described condenser, for described high temperature high pressure liquid is carried out to condensation, and sends into described evaporator by the low pressure liquid obtaining after condensation through the 5th pipeline; Described evaporator, for utilize described cooling fan described low pressure liquid is carried out cooling in, described low pressure liquid is evaporated, to obtain low-pressure low-temperature gas, and through the 6th pipeline, send described low-pressure low-temperature gas back to described compressor of air conditioner;
Described ECU (Electrical Control Unit), for regulate the consumed power of described power conditioning module by control signal wire, to change the load of described generator.
Preferably, in said system, described air compressor machine load simulation module also comprises: be arranged on the first pressure transducer on described the first pipeline;
Described the first pressure transducer, for detection of the gaseous tension in described the first pipeline, and is sent to described control module by the gaseous tension signal detecting.
Preferably, in said system, described air compressor machine load simulation module also comprises: be installed on the first tensimeter on described gas-holder;
Described the first tensimeter, for detection of and show the gas pressure value in described gas-holder.
Preferably, in said system, described air compressor machine load simulation module also comprises: be installed on the safety valve on described gas-holder;
Described safety valve, while being greater than preset pressure for the gaseous tension at described gas-holder, controlling self valve and automatically opens, and described preset pressure is greater than the opening pressure of described unloader.
Preferably, in said system, described air compressor machine load simulation module also comprises: be installed on the solenoid valve on the 7th pipeline, described the 7th pipeline is and the tank connected air delivering pipeline of described gas storage;
Described solenoid valve, for opening or valve-off under the control of described control module.
Preferably, in said system, described air-conditioning load simulation module, also comprises: be arranged on the second pressure transducer and the second tensimeter on described the second pipeline;
The second pressure transducer, for detection of the gaseous tension in described the second pipeline, and is sent to described control module by the gaseous tension signal detecting;
The second tensimeter, for detection of and show the gas pressure value in described the second pipeline.
Preferably, in said system, described air-conditioning load simulation module, also comprises: be arranged on temperature sensor, the 3rd pressure transducer and the 3rd tensimeter on described the 6th pipeline;
Temperature sensor, for detection of the gas temperature signal in described the 6th pipeline, and is sent to described control module by described gas temperature signal;
The 3rd pressure transducer, for detection of the gaseous tension in described the 6th pipeline, and is sent to described control module by the gaseous tension signal detecting;
The 3rd tensimeter, for detection of and show the gas pressure value in described the 6th pipeline.
Preferably, said system also comprises:
Stand power-measuring system, operates in different operating modes for controlling described engine, and gathers the operational factor of engine under described operating mode.
Preferably, said system also comprises:
Stand master control system, for transmitting control signal to described control module, or receives the detected parameters that described control module sends.
The engine accessory power rating load simulation system that the embodiment of the present invention provides, air compressor machine load simulation module, air-conditioning load simulation module and generator loading analog module in engine accessory power rating are integrated into a system, when carrying out engine rig test, can these load simulation modules be controlled separately or be controlled simultaneously, each load simulation module can be provided in the load changing in certain limit, and system can be carried out electrodeless adjusting to load, thereby make the versatility of this system very strong.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is one of composition schematic diagram of embodiment of the present invention engine accessory power rating load simulation system;
Fig. 2 be embodiment of the present invention engine accessory power rating load simulation system composition schematic diagram two.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, one of composition schematic diagram of the engine accessory power rating load simulation system providing for the embodiment of the present invention, this system comprises: engine 1, air compressor machine load simulation module 2, air-conditioning load simulation module 3, generator loading analog module 5 and control module 4.Wherein,
In process of the test, control module 4 can carry out parameter acquisition to above-mentioned each load simulation subsystem, and the operation of above-mentioned each load simulation subsystem is controlled.
Above-mentioned each load simulation subsystem can complete with engine 1, transmission shaft 6 load simulation cycle endurance test or the performance test of engine band annex together with stand power-measuring system 7.
Wherein, stand power-measuring system 7, operates in different operating modes for controlling described engine 1, and gathers the operational factor of engine 1 under described operating mode.During specific implementation, stand power-measuring system 7 can the isolated operation of control engine complete machine, also can control engine band accessory load (accessory load is the one or more modules in air compressor machine load simulation module 2, air-conditioning load simulation module 3 and generator loading analog module 5) move simultaneously, stand power-measuring system 7 can move by control engine 1 under different operating modes, and in this process, gathers the operational factor of engine 1.
Further, this system can also comprise stand master control system, for transmitting control signal to described control module 4, or receives the detected parameters that described control module 4 sends.During specific implementation, control module 4 is also supported CAN (Controller Area Network, controller local area network) communication function, stand master control system can be undertaken alternately by CAN communication and control module 4, to utilize control module 4 to carry out parameter acquisition, record and control etc. to each load simulation subsystem, recycling control module 4 by result feedbacks such as parameter acquisition, record and controls to stand master control system.Stand master control system just can utilize CAN communication to complete the control to each load simulation subsystem by control module 4 like this, also can be easily by the control integration of each load simulation subsystem, to the operation of engine program controlled automatic, (described program controlled automatic operation refers to, in engine test, computing machine automatically adjusts to engine operating condition according to pre-set program, and engine parameter is automatically gathered and recorded) test in.
Referring to Fig. 2, two of the composition schematic diagram of the engine accessory power rating load simulation system providing for the embodiment of the present invention, this system comprises: engine 1, air compressor machine load simulation module 2, air-conditioning load simulation module 3, generator loading analog module 5 and control module 4; In addition, also comprise: transmission shaft 6, stand power-measuring system 7 and stand master control computer 22 (corresponding to above-mentioned stand master control system).
Before introducing the embodiment of the present invention, below title corresponding to each number designation in given first figure:
1. engine, 2. air compressor machine load simulation module, 3. air-conditioning load simulation module, 4. control module, 5. generator loading analog module, 6. coupling shaft, 7. stand power-measuring system, 8. air compressor machine, 9. air compressor machine gas outlet, 10. the second pressure transducer, 11. second tensimeters, 12. first pressure transducers, 13. Manual air-release valves, 14. first tensimeters, 15. gas-holder, 16. safety valve, 17. unloaders, 18. solenoid valves, 19. drying chambers, 20. heating radiators, 21. condensers, 22. stand master control computers, 23. evaporators, 24. cooling fans, 25. control signal wires, 26. temperature sensors, 27. the 3rd pressure transducers, 28. the 3rd tensimeters, 29. power conditioning modules, 30. generators are anodal, 31. generator negatives, 32. generators, 33. compressor of air conditioner low-pressure gas gas returning ports, 34. low pressure are suppressed vacuum orifice, 35. compressors of air conditioner, 36. high pressure are suppressed the mouth of finding time, 37. compressor of air conditioner gases at high pressure gas outlets, 38. solenoid valves.
7 control engine 1 operations of stand power-measuring system, described engine 1, for when moving, drives the one or more runnings simultaneously in described air compressor machine, described compressor of air conditioner and described generator.Wherein, air compressor machine, compressor of air conditioner and generator adopt the original-pack parts that engine carries.
Respectively composition, connected mode and the function of air compressor machine load simulation module 2, air-conditioning load simulation module 3, generator loading analog module 5 are made introductions all round below:
1, air compressor machine load simulation module 2
Described air compressor machine load simulation module 2 comprises air compressor machine 8, gas-holder 15 and unloader 17.
Described air compressor machine 8, sends into described gas-holder 15 for pressurized air and by the air of compression through the first pipeline.
Described unloader 17, valve-off when being less than or equal to the opening pressure of described unloader 17 at the gaseous tension of described gas-holder 15, when the gaseous tension in described gas-holder 15 is greater than the opening pressure of described unloader 17, automatic Open valve is to carry out off-load.
Further, air compressor machine load simulation module 2 also comprises: be arranged on the first pressure transducer 12 on described the first pipeline, be installed on the first tensimeter 14 on described gas-holder 15, be installed on the safety valve 16 on described gas-holder 15 and be installed on the solenoid valve 18 on the 7th pipeline, described the 7th pipeline is the air delivering pipeline being connected with described gas-holder 15.
Described the first pressure transducer 12, for detection of the gaseous tension in described the first pipeline, and is sent to described control module 4 by the gaseous tension signal detecting.
Described the first tensimeter 14, for detection of and show the gas pressure value in described gas-holder 15.
Described safety valve 16, while being greater than preset pressure for the gaseous tension at described gas-holder 15, controlling self valve and automatically opens, and described preset pressure is greater than the opening pressure of described unloader.
Described solenoid valve 18, for opening or valve-off under the control at described control module 4.
When specific implementation, during engine 1 operation, drive air compressor machine 8 to inflate, gas is compressed to be sent in gas-holder 15 by air compressor machine gas outlet 9, gaseous tension in gas-holder in 15 can read by the first tensimeter 14, gas piping between air compressor machine 8 and gas-holder 15 (the first pipeline) be provided with the first pressure transducer 12, the first pressure transducers 12 by current detection to the first pipeline on gaseous tension signal pass to control module 4, gas-holder 15 is provided with the unloader 17 with retaining valve, before test, need the pressure unloading of unloader 17 to adjust to the required set pressure (this set pressure is the opening pressure of unloader 17) of test, in process of the test, if the current pressure value in gas-holder 15 does not surpass or equals setup pressure value, unloader 17 is in closed condition, if the current pressure value in gas-holder 15 surpasses setup pressure value, unloader 17 is opened and is carried out off-load, because the pressure unloading of unloader 17 can regulate the load that just makes load system can simulate different sizes, so just can the loading condition of analog space press 8 when car load practical application.
In addition, for safety, safety valve 16 is also housed on gas-holder 15, normal conditions safety valve 16 is in closed condition, and the opening pressure of safety valve 16 is greater than the opening pressure of unloader 18.When practical application, if the opening pressure that unloader 18 reaches, but cause unloader 18 not open to carry out off-load based on reasons such as unloader 18 damages, now, gaseous tension in gas-holder 15 can continue to rise, when the gaseous tension in gas-holder 15 rises to the preset pressure of setting into safety valve 16, the valve of safety valve 16 can be opened to carry out off-load automatically.
In addition, in the gas circuit being connected, solenoid valve 18 is housed with gas-holder 15, ECU (Electrical Control Unit) 4 can determine whether applying load to air compressor machine 8 by controlling the break-make of solenoid valve 18.When control module 4 control solenoid valves 18 are opened, described gas-holder 15 will be communicated with atmosphere, show to air compressor machine 8, not apply load, when control module 4 control solenoid valves 18 cut out, gaseous tension in described gas-holder 15 will rise, and show applying load to air compressor machine 8.
2, described air-conditioning load simulation module 3
Described air-conditioning load simulation module 3 comprises compressor of air conditioner 35, drying chamber 19, heating radiator 20, condenser 21, evaporator 23, cooling fan 24;
Described compressor of air conditioner 35, for compression and low pressure cryogenic gas, and sends into described drying chamber by the high temperature and high pressure gas obtaining after compression through the second pipeline;
Described drying chamber 19, for described high temperature and high pressure gas is dehumidified, and sends into described heating radiator by the high temperature and high pressure gas after dehumidifying through the 3rd pipeline;
Described heating radiator 20, carries out coolingly for the high temperature and high pressure gas to after described dehumidifying, and the high temperature high pressure liquid obtaining after cooling is sent into described condenser through the 4th pipeline;
Described condenser 21, for described high temperature high pressure liquid is carried out to condensation, and sends into described evaporator by the low pressure liquid obtaining after condensation through the 5th pipeline;
Described evaporator 23, for utilize 24 pairs of described low pressure liquids of described cooling fan carry out cooling in, described low pressure liquid is evaporated, to obtain low-pressure low-temperature gas, and through the 6th pipeline, send described low-pressure low-temperature gas back to described compressor of air conditioner.
Further, described air-conditioning load simulation module, also comprises: be arranged on the second pressure transducer 10 and the second tensimeter 11 on described the second pipeline; Be arranged on temperature sensor 26, the 3rd pressure transducer 27 and the 3rd tensimeter 28 on described the 6th pipeline.
The second pressure transducer 10, for detection of the gaseous tension in described the second pipeline, and is sent to described control module 4 by the gaseous tension signal detecting;
The second tensimeter 11, for detection of and show the gas pressure value in described the second pipeline.
The 3rd pressure transducer 27, for detection of the gaseous tension in described the 6th pipeline, and is sent to described control module 4 by the gaseous tension signal detecting;
The 3rd tensimeter 28, for detection of and show the gas pressure value in described the 6th pipeline.
When specific implementation, engine 1 operation drives compressor of air conditioner 35 runnings, and the high temperature and high pressure gas through overcompression is sent by compressor of air conditioner gases at high pressure gas outlet 37, and the second pipeline between compressor of air conditioner 35 and drying chamber 19 is sent into drying chamber 19, on the second pipeline, be connected to the second pressure transducer 10 and the second tensimeter 11, be used for the high temperature and high pressure gas pressure of flowing through to monitor in real time, 19 dehumidifying of high temperature and high pressure gas drying tank are delivered to heating radiator 20 by the 3rd pipeline and are carried out cooling, through cooled high temperature and high pressure gas, be cooled to high temperature high pressure liquid, high temperature high pressure liquid is admitted to described condenser 21 through the 4th pipeline, liquid carries out by high temperature high pressure liquid, having become low pressure liquid after condensation through condenser 21, the low pressure liquid obtaining after condensation is admitted to described evaporator 23 through the 5th pipeline, low pressure liquid has become low-pressure low-temperature gas after evaporator 23 and the cooling evaporation of cooling fan 24, finally by being provided with temperature sensor 26, the 3rd pipeline of the 3rd pressure transducer 27 and the 3rd tensimeter 28, by compressor of air conditioner low-pressure gas gas returning port 33, get back to compressor of air conditioner 35.
In addition, be compressor of air conditioner 35 while adding cold-producing medium, utilizing low pressure to suppress vacuum orifice 34 and low pressure and suppress vacuum orifice 36 compressor of air conditioner 35 is vacuumized.
3, described generator loading analog module 5
Described generator loading analog module 5 comprises generator 32 and power conditioning module 29.
Described ECU (Electrical Control Unit) 4, for regulate the consumed power of described power conditioning module 29 by control signal wire, to change the load of described generator 32.
When specific implementation, engine 1 operation drives generator 32 to turn round, power conditioning module 29 is connected with generator negative 31 with generator anodal 30 by cable, ECU (Electrical Control Unit) 4, by the consumed power of control signal wire 25 regulating power adjustment modules 29, changes the load of generator 32.Power conditioning module 29 can be that resistance is fixed, and by the voltage at regulating resistance two ends, realizes power adjustments; Another mode is that resistive voltage is certain, by regulating a slide rheostat or an adjustable large resistance, realize power adjustments, utilize power conditioning module 29 can carry out the step-less adjustment of bearing power, so just can realize the simulation of different generator loadings, can better simulated engine actual operating mode.
The engine accessory power rating load simulation system that the embodiment of the present invention provides, air compressor machine load simulation module, air-conditioning load simulation module and generator loading analog module in engine accessory power rating are integrated into a system, when carrying out engine rig test, can these load simulation modules be controlled separately or be controlled simultaneously, each load simulation module can be provided in the load changing in certain limit, and system can be carried out electrodeless adjusting to load, thereby make the versatility of this system very strong.
In addition, the control module that this system disposition is independent, realization is to the collection of load parameter and control, control module is also supported CAN bus communication, by CAN bus communication, realize control module and communicate by letter with stand master control system, record, load adjusting, load control and the load-carrying program controlled automatic of engine of by the primary control program in stand master control system, realizing load parameter move.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an engine accessory power rating load simulation system, is characterized in that, described system comprises:
Engine, air compressor machine load simulation module, air-conditioning load simulation module, generator loading analog module and control module; Wherein, described air compressor machine load simulation module comprises air compressor machine, gas-holder and unloader, and described air-conditioning load simulation module comprises compressor of air conditioner, drying chamber, heating radiator, condenser, evaporator, cooling fan; Described generator loading analog module comprises generator and power conditioning module;
Described engine, for when moving, drives the one or more runnings simultaneously in described air compressor machine, described compressor of air conditioner and described generator;
Described air compressor machine, sends into described gas-holder for pressurized air and by the air of compression through the first pipeline; Described unloader, valve-off while being less than or equal to the opening pressure of described unloader for the gaseous tension at described gas-holder, when the gaseous tension in described gas-holder is greater than the opening pressure of described unloader, automatic Open valve is to carry out off-load;
Described compressor of air conditioner, for compression and low pressure cryogenic gas, and sends into described drying chamber by the high temperature and high pressure gas obtaining after compression through the second pipeline; Described drying chamber, for described high temperature and high pressure gas is dehumidified, and sends into described heating radiator by the high temperature and high pressure gas after dehumidifying through the 3rd pipeline; Described heating radiator, carries out coolingly for the high temperature and high pressure gas to after described dehumidifying, and the high temperature high pressure liquid obtaining after cooling is sent into described condenser through the 4th pipeline; Described condenser, for described high temperature high pressure liquid is carried out to condensation, and sends into described evaporator by the low pressure liquid obtaining after condensation through the 5th pipeline; Described evaporator, for utilize described cooling fan described low pressure liquid is carried out cooling in, described low pressure liquid is evaporated, to obtain low-pressure low-temperature gas, and through the 6th pipeline, send described low-pressure low-temperature gas back to described compressor of air conditioner;
Described ECU (Electrical Control Unit), for regulate the consumed power of described power conditioning module by control signal wire, to change the load of described generator.
2. system according to claim 1, is characterized in that, described air compressor machine load simulation module also comprises: be arranged on the first pressure transducer on described the first pipeline,
Described the first pressure transducer, for detection of the gaseous tension in described the first pipeline, and is sent to described control module by the gaseous tension signal detecting.
3. system according to claim 1, is characterized in that, described air compressor machine load simulation module also comprises: be installed on the first tensimeter on described gas-holder;
Described the first tensimeter, for detection of and show the gas pressure value in described gas-holder.
4. system according to claim 1, is characterized in that, described air compressor machine load simulation module also comprises: be installed on the safety valve on described gas-holder;
Described safety valve, while being greater than preset pressure for the gaseous tension at described gas-holder, controlling self valve and automatically opens, and described preset pressure is greater than the opening pressure of described unloader.
5. system according to claim 1, is characterized in that, described air compressor machine load simulation module also comprises: be installed on the solenoid valve on the 7th pipeline, described the 7th pipeline is and the tank connected air delivering pipeline of described gas storage;
Described solenoid valve, for opening or valve-off under the control of described control module.
6. system according to claim 1, is characterized in that, described air-conditioning load simulation module, also comprises: be arranged on the second pressure transducer and the second tensimeter on described the second pipeline;
The second pressure transducer, for detection of the gaseous tension in described the second pipeline, and is sent to described control module by the gaseous tension signal detecting;
The second tensimeter, for detection of and show the gas pressure value in described the second pipeline.
7. system according to claim 1, is characterized in that, described air-conditioning load simulation module, also comprises: be arranged on temperature sensor, the 3rd pressure transducer and the 3rd tensimeter on described the 6th pipeline;
Temperature sensor, for detection of the gas temperature signal in described the 6th pipeline, and is sent to described control module by described gas temperature signal;
The 3rd pressure transducer, for detection of the gaseous tension in described the 6th pipeline, and is sent to described control module by the gaseous tension signal detecting;
The 3rd tensimeter, for detection of and show the gas pressure value in described the 6th pipeline.
8. according to the system described in claim 1 to 7 any one, it is characterized in that, described system also comprises:
Stand power-measuring system, operates in different operating modes for controlling described engine, and gathers the operational factor of engine under described operating mode.
9. according to the system described in claim 1 to 7 any one, it is characterized in that, described system also comprises:
Stand master control system, for transmitting control signal to described control module, or receives the detected parameters that described control module sends.
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| CN103900823A (en) * | 2014-04-21 | 2014-07-02 | 安徽江淮汽车股份有限公司 | Engine simulation load device and engine loading test system |
| CN104019992A (en) * | 2014-06-25 | 2014-09-03 | 安徽江淮汽车股份有限公司 | Load simulating system of engine accessory |
| CN104048829A (en) * | 2014-07-07 | 2014-09-17 | 安徽江淮汽车股份有限公司 | Air conditioner compressor loading device in engine test |
| CN104236916A (en) * | 2014-09-22 | 2014-12-24 | 长沙研创电气有限公司 | Load test system of generator for engine |
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| CN104048829A (en) * | 2014-07-07 | 2014-09-17 | 安徽江淮汽车股份有限公司 | Air conditioner compressor loading device in engine test |
| CN104236916A (en) * | 2014-09-22 | 2014-12-24 | 长沙研创电气有限公司 | Load test system of generator for engine |
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| CN105588999A (en) * | 2016-01-21 | 2016-05-18 | 四川长虹电器股份有限公司 | Adjustable load device used for air-conditioning compressor frequency conversion driving module |
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