CN103454023B - A kind of automotive air-conditioning system method for testing energy consumption - Google Patents
A kind of automotive air-conditioning system method for testing energy consumption Download PDFInfo
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- CN103454023B CN103454023B CN201310397773.3A CN201310397773A CN103454023B CN 103454023 B CN103454023 B CN 103454023B CN 201310397773 A CN201310397773 A CN 201310397773A CN 103454023 B CN103454023 B CN 103454023B
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- chassis dynamometer
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 60
- 238000005265 energy consumption Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 230000007613 environmental effect Effects 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 7
- 238000010998 test method Methods 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000010705 motor oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Abstract
The invention discloses a kind of automotive air-conditioning system method for testing energy consumption, comprising: provide one can the chassis dynamometer of simulated automotive actual operating mode, and on chassis dynamometer, place the car load that is provided with air-conditioning system to be tested; Use chassis dynamometer to be determined at car load respectively open power absorption value when air-conditioning system is run and do not open power absorption value when air-conditioning system is run at car load; Calculate the difference of two kinds of power absorption values that chassis dynamometer measures, the absolute value of the difference drawn is the energy consumption of air-conditioning system.Compared with prior art, this method of testing is by the actual applying working condition of chassis dynamometer simulation car load, improve the accuracy of measurement result, make the measurement result of air conditioning energy consumption close to the energy consumption under car load practical service environment, the energy consumption for car load is mated and research has important reference significance.
Description
Technical field
The present invention relates to automotive engineering, specifically, the present invention relates to a kind of automotive air-conditioning system method for testing energy consumption.
Background technology
At present, along with oil price Continued, automobile is still very high to the degree of dependence of crude oil, the power-saving technology of automobile becomes increasingly conspicuous, need extra fuel consume to compensate the power demand of air-conditioning system when automobile is turned on the aircondition, driver drive a car and using air-condition process in, the energy consumption of air-conditioning system accounts for the sizable a part of ratio of whole energy consumption, and how to reduce fuel consume when turning on the aircondition is pursuing a goal of automobile industry always.
Prior art just simulates whole-vehicle air-conditioner system power consumption by the power consumption test of compressor monomer to the energy consumption testing of air conditioning for automobiles on compressor stand, be compressor power consumption under standard state during monomer test, and car load operating mode when actual motion is complicated, rotation speed change scope is large, and air-conditioning system is not only compressor power consumption when originally running on car load, also comprise the power consumption of fan blower, much more complicated than the test of compressor monomer of actual operating mode and environment, and the rotating speed of compressor often changes under different operating mode, the heat radiation of engine front deck is to condenser, the duty of compressor itself changes and all cannot realize by accurate simulation on compressor stand.
Therefore, under method of testing on stand is difficult to the actual applying working condition of simulation car load, the energy consumption size of whole air-conditioning system cannot be measured comparatively accurately, measurement result is reliably not accurate enough, causing on car load cannot the energy consumption of accurate evaluation air-conditioning system, and present stage does not have a kind ofly simulation to measure the method for whole air conditioning energy consumption under car load applying working condition reliably yet.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of automotive air-conditioning system method for testing energy consumption, makes measurement result close to the energy consumption under car load practical service environment, improves the accuracy of measurement result.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of automotive air-conditioning system method for testing energy consumption, comprising:
There is provided one can the chassis dynamometer of simulated automotive actual operating mode, and on chassis dynamometer, place the car load that is provided with air-conditioning system to be tested;
Utilize chassis dynamometer to have the power absorption principle of work and power, use chassis dynamometer to be determined at car load respectively and open power absorption value when air-conditioning system is run and do not open power absorption value when air-conditioning system is run at car load;
The difference of power absorption value under the two states that calculating chassis dynamometer measures, the absolute value of the difference drawn is the energy consumption of air-conditioning system.
In test process, the chassis dynamometer being loaded with car load is placed in environmental chamber, the environment temperature arranging environmental chamber is 35 DEG C, and humidity is 50%, and car load is fully preheated to engine water temperature in normal working temperature.
In test process, described chassis dynamometer is that constant speed mode runs.
In test process, chassis dynamometer is used to measure engine rotating speed respectively for the speed of a motor vehicle corresponding when 1000rpm, 1500rpm, 2000rpm, 2500rpm, 3000rpm and 3500rpm, and under being determined at corresponding rotating speed respectively car load open air-conditioning system run time power absorption value and car load do not open air-conditioning system run time power absorption value, calculate the air conditioning energy consumption under corresponding rotating speed.
In test process, the oil feed pump not fuel feeding of engine, uses the anti-dragging device of chassis dynamometer to drive engine running.
In test process, car load gas pedal is full-gear.
In test process, car load transmission gear is 4 grades.
The present invention adopts technique scheme, compared with prior art, this method of testing utilizes the power draw characteristic of the chassis dynamometer of prior art to complete the energy consumption testing of automotive air-conditioning system, chassis dynamometer measuring accuracy is high, there is the ability (running resistance, the speed of a motor vehicle etc.) of the different operating condition of simulation car load road driving, and it is available to have plurality of operating modes; This method of testing is by the actual applying working condition of chassis dynamometer simulation car load, improve the accuracy of measurement result, make the measurement result of air conditioning energy consumption close to the energy consumption under car load practical service environment, the energy consumption for car load is mated and research has important reference significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the chassis dynamometer being loaded with car load;
Fig. 2 is the compressor rotary speed-power of compressor monomer energy consumption testing and the test of whole-vehicle air-conditioner system energy consumption;
Mark in above-mentioned figure is: 1, chassis dynamometer; 2, car load.
Embodiment
A kind of automotive air-conditioning system method for testing energy consumption of the present invention, the step comprised is:
There is provided one can the chassis dynamometer of simulated automotive actual operating mode, and on chassis dynamometer, place the car load that is provided with air-conditioning system to be tested;
Use chassis dynamometer to be determined at car load respectively open power absorption value when air-conditioning system is run and do not open power absorption value when air-conditioning system is run at car load, and record;
Calculate the difference of two kinds of power absorption values that chassis dynamometer measures, the absolute value of the difference drawn is the energy consumption of air-conditioning system.
As shown in Figure 1, car load 2 is placed on chassis dynamometer 1, chassis dynamometer 1 enters constant speed mode and runs also stable operation under a certain rotating speed of engine, now air-conditioning system request signal is AC-OFF state, namely air-conditioning system is closed, and the power absorption value recording this engine speed low bottom-disc dynamometer machine 1 is that P(closes air-conditioning); After car load 2 completes and closes air conditioner test, putting air-conditioning system request signal is AC-ON state, and open air-conditioning system, the power absorption value recording now engine speed low bottom-disc dynamometer machine 1 is that P(turns on the aircondition); Calculate P(to turn on the aircondition) and P(pass air-conditioning) the absolute value of difference and air conditioning energy consumption P(AC)=| P(turns on the aircondition)-P(closes air-conditioning) |, unit is kilowatt (kW), and this air conditioning energy consumption P is the wheel power changing value of chassis dynamometer 1.
Before starting test, for simulation car load 2 operating condition environmental baseline, the chassis dynamometer 1 being loaded with car load 2 is placed in environmental chamber (or environmental wind tunnel), the environment temperature arranging environmental chamber is 35 DEG C, humidity is 50%, the cooling blower wind speed that chassis dynamometer is equipped with arranges speed of a motor vehicle follow the mode, and car load 2 is fully preheated to engine water temperature in normal working temperature.
In test process, chassis dynamometer 1 is constant speed mode operation, and car load 2 gas pedal is full-gear, and car load 2 transmission gear is 4 grades.For systems stabilisation energy consumption data, reduce extraneous uncontrollable factor and affect test result, reduce the heat release of engine body to the impact of front deck parts serviceability, the measure of engine oil oil-break is taked to realize, the engine of car load 2 is in oil-break state, engine oil pump not fuel feeding, and engine does not start, use the anti-dragging device of chassis dynamometer 1 to drive engine running, thus drive car load 2 to run.
In addition, this method of testing can also by changing engine speed, the energy consumption of air-conditioning system corresponding under measuring each setting speed respectively.
When testing, car load 2 engine speed can be set within the scope of 1000 ~ 3500rpm, and to regulate every 500rpm.In test process, chassis dynamometer 1 is used to measure engine speed respectively for the speed of a motor vehicle corresponding when 1000rpm, 1500rpm, 2000rpm, 2500rpm, 3000rpm and 3500rpm, and under being determined at corresponding rotating speed respectively car load 2 open air-conditioning system run time power absorption value P(turn on the aircondition) and car load 2 do not open air-conditioning system run time power absorption value P(pass air-conditioning), calculate the air conditioning energy consumption P(AC under each corresponding rotating speed), result is as shown in table 1.
Table 1
As shown in Figure 2, for compressor rotary speed-power that compressor monomer energy consumption testing and whole-vehicle air-conditioner system energy consumption are tested, the whole-vehicle air-conditioner system energy consumption curve map that curve 1 method of testing records, curve 2 is for carrying out at compressor stand the energy consumption curve figure that tests in background technology.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (7)
1. an automotive air-conditioning system method for testing energy consumption, is characterized in that, comprising:
There is provided one can the chassis dynamometer of simulated automotive actual operating mode, and on chassis dynamometer, place the car load that is provided with air-conditioning system to be tested;
Use chassis dynamometer to be determined at car load respectively open power absorption value when air-conditioning system is run and do not open power absorption value when air-conditioning system is run at car load;
Calculate the difference of two kinds of power absorption values that chassis dynamometer measures, the absolute value of the difference drawn is the energy consumption of air-conditioning system;
In test process, the oil feed pump not fuel feeding of engine, uses the anti-dragging device of chassis dynamometer to drive engine running.
2. automotive air-conditioning system method for testing energy consumption according to claim 1, it is characterized in that: in test process, the chassis dynamometer being loaded with car load is placed in environmental chamber, the environment temperature arranging environmental chamber is 35 DEG C, humidity is 50%, and car load is fully preheated to engine water temperature in normal working temperature.
3. automotive air-conditioning system method for testing energy consumption according to claim 2, is characterized in that: in test process, and described chassis dynamometer is that constant speed mode runs.
4. automotive air-conditioning system method for testing energy consumption according to claim 3, it is characterized in that: in test process, chassis dynamometer is used to measure engine rotating speed respectively for the speed of a motor vehicle corresponding when 1000rpm, 1500rpm, 2000rpm, 2500rpm, 3000rpm and 3500rpm, and under being determined at corresponding rotating speed respectively car load open air-conditioning system run time power absorption value and car load do not open air-conditioning system run time power absorption value, calculate the air conditioning energy consumption under corresponding rotating speed.
5. automotive air-conditioning system method for testing energy consumption according to claim 4, is characterized in that: in test process, the oil feed pump not fuel feeding of engine, uses the anti-dragging device of chassis dynamometer to drive engine running.
6. automotive air-conditioning system method for testing energy consumption according to claim 5, is characterized in that: in test process, and car load gas pedal is full-gear.
7. automotive air-conditioning system method for testing energy consumption according to claim 6, is characterized in that: in test process, and car load transmission gear is 4 grades.
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| CN103454023B true CN103454023B (en) | 2015-08-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108896335A (en) * | 2018-07-24 | 2018-11-27 | 江西江铃集团新能源汽车有限公司 | The test method of air conditioning for automobiles performance |
| CN113029626B (en) * | 2021-03-29 | 2022-07-08 | 重庆长安汽车股份有限公司 | Test method for pure electric vehicle air conditioner refrigeration performance rack |
| CN114001989B (en) * | 2021-10-22 | 2023-08-25 | 中汽研汽车检验中心（天津）有限公司 | Single vehicle air conditioner energy consumption prediction method and prediction device based on working condition recognition |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0363038A2 (en) * | 1988-10-05 | 1990-04-11 | Ford Motor Company Limited | Air conditioning system for a vehicle |
| CN101706300A (en) * | 2009-09-28 | 2010-05-12 | 吴明 | Detection method of automotive constant speed full load fuel consumption rate |
| CN101871845A (en) * | 2010-02-01 | 2010-10-27 | 华东交通大学 | Undetached measurement device and method for transmission efficiency of automotive transmission system |
| CN102338677A (en) * | 2010-07-19 | 2012-02-01 | 北汽福田汽车股份有限公司 | Vehicle power testing method and vehicle chassis dynamometer |
| CN103063457A (en) * | 2012-12-30 | 2013-04-24 | 南方英特空调有限公司 | Finished automobile air conditioning system simulation test device and method |
-
2013
- 2013-09-04 CN CN201310397773.3A patent/CN103454023B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0363038A2 (en) * | 1988-10-05 | 1990-04-11 | Ford Motor Company Limited | Air conditioning system for a vehicle |
| CN101706300A (en) * | 2009-09-28 | 2010-05-12 | 吴明 | Detection method of automotive constant speed full load fuel consumption rate |
| CN101871845A (en) * | 2010-02-01 | 2010-10-27 | 华东交通大学 | Undetached measurement device and method for transmission efficiency of automotive transmission system |
| CN102338677A (en) * | 2010-07-19 | 2012-02-01 | 北汽福田汽车股份有限公司 | Vehicle power testing method and vehicle chassis dynamometer |
| CN103063457A (en) * | 2012-12-30 | 2013-04-24 | 南方英特空调有限公司 | Finished automobile air conditioning system simulation test device and method |
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