CN103134687B - Air-conditioning system analog loading device in engine rig test - Google Patents
Air-conditioning system analog loading device in engine rig test Download PDFInfo
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- CN103134687B CN103134687B CN201310036361.7A CN201310036361A CN103134687B CN 103134687 B CN103134687 B CN 103134687B CN 201310036361 A CN201310036361 A CN 201310036361A CN 103134687 B CN103134687 B CN 103134687B
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000004378 air conditioning Methods 0.000 title claims abstract description 32
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses the air-conditioning system analog loading device in a kind of engine rig test, belong to automotive field.Air-conditioning system analog loading device in this engine rig test, for carrying out simulation loading to engine air adjusting system, described engine air adjusting system comprises compressor of air conditioner, the closed cycle system that the air-conditioning system analog loading device in described engine rig test is connected with described compressor of air conditioner; Described closed cycle system comprises evaporator, connect the high tension loop between the entrance of described evaporator and the outlet of described compressor of air conditioner and connect the low tension loop of the outlet of described evaporator and the entrance of described compressor of air conditioner; Described low tension loop is serially connected with high and low voltage switch, and described high and low voltage switch connects described compressor of air conditioner, pass through closed cycle system, to make in compressor of air conditioner by the High Temperature High Pressure coolant media that compresses, at this closed cycle system internal circulation flow, to imitate the duty of engine air adjusting system when car load uses with this.
Description
Technical field
The present invention relates to automobile technical field, the air-conditioning system analog loading device particularly in a kind of engine rig test.
Background technology
Along with the high speed of IC Engine Design, the requirement of engine in performance output, reliability, NVH etc. is more strictly harsh.Along with the raising gradually that client requires riding experience, engine accessory system provides the source of auxiliary energy as engine for other system, must carry out the air-conditioning system in strict test and Reliability Check, particularly engine accessory system to it.
But, in existing engine rig test performance history, do not consider the duty of the air-conditioning system of engine accessory system, or can not the working condition of the air-conditioning system of simulated engine accessory system in engine rig test really without special loading equipemtn.
Summary of the invention
In order to solve the problem of prior art, embodiments provide the air-conditioning system analog loading device in a kind of engine rig test.Technical scheme is as follows:
On the one hand, provide the air-conditioning system analog loading device in a kind of engine rig test, for carrying out simulation loading to engine air adjusting system, described engine air adjusting system comprises compressor of air conditioner, and the air-conditioning system analog loading device in described engine rig test comprises the closed cycle system be connected with described compressor of air conditioner; Described closed cycle system comprises evaporator, connect the high tension loop between the entrance of described evaporator and the outlet of described compressor of air conditioner and connect the low tension loop of the outlet of described evaporator and the entrance of described compressor of air conditioner; Described low tension loop is serially connected with high and low voltage switch, and described high and low voltage switch connects described compressor of air conditioner;
Air-conditioning system analog loading device in described engine rig test also comprises the computing machine be connected with closed cycle system;
The drying chamber described high tension loop being also in series with heating radiator and being connected with described heating radiator, described heating radiator connects the outlet of compressor of air conditioner; Described drying chamber also connects the entrance of described evaporator;
Air-conditioning system analog loading device in described engine rig test also comprises and is all connected to the first temperature sensor in described high tension loop and the first pressure transducer, the tie point of described first temperature sensor and described high tension loop is between described heating radiator and described drying chamber, the tie point of described first pressure transducer and described high tension loop is between described heating radiator and described drying chamber, and described first temperature sensor and described first pressure transducer are all electrically connected described computing machine;
Air-conditioning system analog loading device in described engine rig test also comprises and is all connected to the second temperature sensor in described low tension loop and the second pressure transducer, the tie point of described second temperature sensor and described low tension loop is between described high and low voltage switch and described compressor of air conditioner, the tie point of described second pressure transducer and described low tension loop is between described high and low voltage switch and described compressor of air conditioner, and described second temperature sensor and described second pressure transducer are all electrically connected described computing machine.
Preferably, the air-conditioning system analog loading device in described engine rig test also comprises the controller be connected with described computing machine, and described controller is connected with described high and low voltage switch and described compressor of air conditioner respectively.
Preferably, in described computing machine, be provided with a judge module, and described first temperature sensor, described second temperature sensor, described first pressure transducer and described second pressure transducer are all electrically connected described judge module.
Preferably, the judge module that described first temperature sensor and described second temperature sensor are connected to described computing machine respectively by a thermometer is connected; The judge module that described first pressure transducer is connected to described computing machine with described second pressure transducer respectively by a tensimeter is connected.
Preferably, the judge module of described computing machine is connected with a data collecting instrument; Described thermometer and described tensimeter are all connected to the judge module of described computing machine by described data collecting instrument.
Preferably, described evaporator is provided with a three-temperature sensor, and described three-temperature sensor connects described data collecting instrument.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
Air-conditioning system analog loading device in the engine rig test of the embodiment of the present invention passes through closed cycle system, to make in compressor of air conditioner by the High Temperature High Pressure coolant media that compresses, at this closed cycle system internal circulation flow, to imitate the duty of engine air adjusting system when car load uses with this.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the air-conditioning system analog loading device in engine rig test of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Refer to Fig. 1, air-conditioning system analog loading device in the engine rig test that the embodiment of the present invention provides, it is mainly used in carrying out simulation loading to engine air adjusting system in engine rig test, makes engine air adjusting system simulate duty when car load as far as possible truly.Wherein, engine air adjusting system comprises compressor of air conditioner 1.
Air-conditioning system analog loading device in engine rig test comprises the closed cycle system be connected with compressor of air conditioner 1, the computing machine be connected with closed cycle system 3, first temperature sensor 4, second temperature sensor 5, first pressure transducer 6, second pressure transducer 7 and controller 8.
Closed cycle system comprises evaporator 21, connect the high tension loop 211 between the entrance of evaporator 21 and the outlet of compressor of air conditioner 1 and connect the low tension loop 213 of the outlet of evaporator 21 and the entrance of compressor of air conditioner 1.
The drying chamber 25 high tension loop 211 being also in series with heating radiator 23 and being connected with heating radiator 23, wherein, heating radiator 23 connects the outlet of compressor of air conditioner 1; Drying chamber 25 also connects the entrance of evaporator 21.First temperature sensor 4 and the first pressure transducer 6 are all connected in high tension loop 211, and the tie point of the first temperature sensor 4 and the first pressure transducer 6 and high tension loop 211 is all between heating radiator 23 and heating radiator 23; First temperature sensor 4 and the first pressure transducer 6 are also electrically connected computing machine 3, so that the temperature and pressure data in the high tension loop 211 collected are transferred to computing machine 3 carry out data processing.
Preferably, evaporator 21 is provided with a three-temperature sensor 231, and this three-temperature sensor 231 connects computing machine 3.
Low tension loop 213 is serially connected with high and low voltage switch 27, and this high and low voltage switch 27 connects compressor of air conditioner 1.Second temperature sensor 5 and the second pressure transducer 7 are all connected in low tension loop 213, and the tie point of the second temperature sensor 5 and the second pressure transducer 7 and low tension loop 213 is all between high and low voltage switch 27 and the entrance of compressor of air conditioner 1; Second temperature sensor 5 and the second pressure transducer 7 are also electrically connected computing machine 3 respectively, so that the temperature and pressure data in the low tension loop 213 collected are transferred to computing machine 3 carry out data processing.
Controller 8 is electrically connected with high and low voltage switch 27, compressor of air conditioner 1 and computing machine 3 respectively.Controller 8 for the instruction of receiving computer 3, and controls the start and stop of compressor of air conditioner 1 according to the instruction of computing machine 3.Wherein, compressor of air conditioner 1, high and low voltage switch 27 and controller 8 form a loop (non-label).
A judge module (not shown) is provided with in computing machine 3.And the first temperature sensor 4, second temperature sensor 5, first pressure transducer 6 and the second pressure transducer 7 are all electrically connected described judge module, thus make the first temperature sensor 4, second temperature sensor 5, when the temperature data that first pressure transducer 6 and the second pressure transducer 7 detect and pressure data are transferred in computing machine 3, and contrasted by the numerical range set in the judge module of computing machine 3 and computing machine 3, and the break-make of high and low voltage switch 27 is controlled according to comparing result, thus protection compressor of air conditioner 1, avoid the damage that compressor of air conditioner 1 causes when work condition abnormality.
Preferably, in the present embodiment, first temperature sensor 4 and the second temperature sensor 5 are also connected to a thermometer 9 be connected with computing machine 3, and like this, the first temperature sensor 4 is all connected the judge module of computing machine 3 with the second temperature sensor 5 by thermometer 9; First pressure transducer 6 and the second pressure transducer 7 are also connected to a tensimeter 10 be connected with computing machine 3, and like this, the first pressure transducer 6 is all connected the judge module of computing machine 3 with the second pressure transducer 7 by tensimeter 10.
Preferably, in the present embodiment, the judge module of computing machine 3 is also connected with a data collecting instrument 11, and three-temperature sensor 231, thermometer 9 and tensimeter 10 all connection data Acquisition Instruments 11, like this, three-temperature sensor 231, thermometer 9 and tensimeter 10 transfer data to the judge module of computing machine 3 by data collecting instrument 11.
When carrying out engine rig test, computing machine 3 sends instruction, and starts compressor of air conditioner 1 by controller 8, now, is carried out periodic duty by the High Temperature High Pressure coolant media closed cycle system compressed in compressor of air conditioner 1, imitate the duty of engine air adjusting system when car load with this.Concrete, in compressor of air conditioner 1 by the High Temperature High Pressure coolant media that compresses after heating radiator 23 cools, flow into drying chamber 25, and flow in evaporator 21 after drying chamber 25 drying, finally, enter low tension loop 213 and by being back to compressor of air conditioner 1 after high and low voltage switch 27 from evaporator 21, and constantly circulate.In this cyclic process, the first temperature sensor 4 and the first pressure transducer 6 in high tension loop 211, the temperature and pressure data of the high tension loop 211 collected and low tension loop 213 are transferred to computing machine 3 by data collecting instrument 11 by the second temperature sensor 5 of low tension loop 213 and the second pressure transducer 7 respectively, and are contrasted by the numerical range set in the judge module of computing machine 3 and computing machine 3.Time within the temperature value that the first temperature sensor 4, second temperature sensor 5, first pressure transducer 6 and the second pressure transducer 7 detect and the scope that force value sets in computing machine 3, the closed-loop path normal open that compressor of air conditioner 1, high and low voltage switch 27 and controller 8 are formed, now controls controller 8 by computing machine 3 and opens to control compressor of air conditioner 1 by the required operating mode of test and disconnect; When the force value that the first pressure transducer 6 and the second pressure transducer 7 detect to exceed in computing machine 3 limit value of the top pressure of the range values of setting or minimum pressure; high and low voltage switch 27 shields and forces to disconnect, and now compressor of air conditioner 1 quits work.Time within the scope that the temperature value that the first temperature sensor 4, second temperature sensor 5, first pressure transducer 6 and the second pressure transducer 7 detect and force value set in computing machine 3, computing machine 3 controls controller 8 and controls compressor of air conditioner 1 and restart.
Described from above-mentioned: the air-conditioning system analog loading device in engine rig test of the present invention passes through closed cycle system, to make in compressor of air conditioner 1 by the High Temperature High Pressure coolant media that compresses, at this closed cycle system internal circulation flow, to imitate the duty of engine air adjusting system when car load uses with this.In addition, in order to the engine air adjusting system service condition under real simulation car load service condition better, monitored by the temperature and pressure of the high tension loop 211 of the first temperature sensor 4 and the first pressure transducer 6 pairs of closed cycle systems; Monitored by the temperature and pressure of the low tension loop 213 of the second temperature sensor 5 and the second pressure transducer 7 pairs of closed cycle systems, and pass through the contrast process of computing machine 3 pairs of said temperatures and pressure, control compressor of air conditioner 1 open by the required operating mode of test and disconnect, in order to simulate the engine air adjusting system work operating mode under car load service condition more realistically.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the air-conditioning system analog loading device in an engine rig test, for carrying out simulation loading to engine air adjusting system, described engine air adjusting system comprises compressor of air conditioner, it is characterized in that, the air-conditioning system analog loading device in described engine rig test comprises the closed cycle system be connected with described compressor of air conditioner;
Described closed cycle system comprises evaporator, connect the high tension loop between the entrance of described evaporator and the outlet of described compressor of air conditioner and connect the low tension loop of the outlet of described evaporator and the entrance of described compressor of air conditioner; Described low tension loop is serially connected with high and low voltage switch, and described high and low voltage switch connects described compressor of air conditioner;
Air-conditioning system analog loading device in described engine rig test also comprises the computing machine be connected with closed cycle system;
The drying chamber described high tension loop being also in series with heating radiator and being connected with described heating radiator, described heating radiator connects the outlet of compressor of air conditioner; Described drying chamber also connects the entrance of described evaporator;
Air-conditioning system analog loading device in described engine rig test also comprises and is all connected to the first temperature sensor in described high tension loop and the first pressure transducer, the tie point of described first temperature sensor and described high tension loop is between described heating radiator and described drying chamber, the tie point of described first pressure transducer and described high tension loop is between described heating radiator and described drying chamber, and described first temperature sensor and described first pressure transducer are all electrically connected described computing machine;
Air-conditioning system analog loading device in described engine rig test also comprises and is all connected to the second temperature sensor in described low tension loop and the second pressure transducer, the tie point of described second temperature sensor and described low tension loop is between described high and low voltage switch and described compressor of air conditioner, the tie point of described second pressure transducer and described low tension loop is between described high and low voltage switch and described compressor of air conditioner, and described second temperature sensor and described second pressure transducer are all electrically connected described computing machine.
2. the air-conditioning system analog loading device in engine rig test according to claim 1, it is characterized in that, air-conditioning system analog loading device in described engine rig test also comprises the controller be connected with described computing machine, and described controller is connected with described high and low voltage switch and described compressor of air conditioner respectively.
3. the air-conditioning system analog loading device in engine rig test according to claim 1, it is characterized in that, be provided with a judge module in described computing machine, and described first temperature sensor, described second temperature sensor, described first pressure transducer and described second pressure transducer are all electrically connected described judge module.
4. the air-conditioning system analog loading device in engine rig test according to claim 3, is characterized in that, the judge module that described first temperature sensor is connected to described computing machine with described second temperature sensor respectively by a thermometer is connected; The judge module that described first pressure transducer is connected to described computing machine with described second pressure transducer respectively by a tensimeter is connected.
5. the air-conditioning system analog loading device in engine rig test according to claim 4, is characterized in that, the judge module of described computing machine is connected with a data collecting instrument; Described thermometer and described tensimeter are all connected to the judge module of described computing machine by described data collecting instrument.
6. the air-conditioning system analog loading device in engine rig test according to claim 5, is characterized in that, described evaporator is provided with a three-temperature sensor, and described three-temperature sensor connects described data collecting instrument.
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| CN201310036361.7A CN103134687B (en) | 2013-01-30 | 2013-01-30 | Air-conditioning system analog loading device in engine rig test |
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| CN201310036361.7A CN103134687B (en) | 2013-01-30 | 2013-01-30 | Air-conditioning system analog loading device in engine rig test |
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| CN103134687B true CN103134687B (en) | 2016-03-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698131B (en) * | 2013-12-24 | 2016-01-20 | 潍柴动力股份有限公司 | A kind of engine accessory power rating load simulation system |
| CN103808516A (en) * | 2014-01-27 | 2014-05-21 | 中国北方发动机研究所(天津) | Simulated supercharged air intake system |
| 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 |
| 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 |
| CN106773904A (en) * | 2016-11-25 | 2017-05-31 | 奇瑞汽车股份有限公司 | A kind of air conditioning for automobiles the examination of road data collecting system |
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