CN109882397A - Air compressor PEMS test method - Google Patents

Air compressor PEMS test method Download PDF

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Publication number
CN109882397A
CN109882397A CN201910171088.6A CN201910171088A CN109882397A CN 109882397 A CN109882397 A CN 109882397A CN 201910171088 A CN201910171088 A CN 201910171088A CN 109882397 A CN109882397 A CN 109882397A
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CN
China
Prior art keywords
period
air compressor
test
compressed gas
gas outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910171088.6A
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Chinese (zh)
Inventor
黄晓毅
徐星仁
石子杏
王建会
罗锋
赵业峰
何培松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201910171088.6A priority Critical patent/CN109882397A/en
Publication of CN109882397A publication Critical patent/CN109882397A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of air compressor PEMS test method, include the following steps: that PEMS test equipment is installed;Air compressor runs state of cyclic operation test;Wherein, the test of air compressor operation state of cyclic operation includes the following steps: that engine start to air compressor machine sets idling, is switched to operating mode;Compressed gas outlet is opened, the pressure for exporting compressed gas reaches the maximum value of air compressor setting, runs first time period;The pressure of compressed gas outlet is adjusted to the 90% of maximal pressure force value, runs second time period;The pressure of compressed gas outlet is adjusted to the 80% of maximal pressure force value, runs the third period;The pressure of compressed gas outlet is adjusted to the 70% of maximal pressure force value, ran for the 4th period;The pressure of compressed gas outlet is adjusted to the 60% of maximal pressure force value, ran for the 5th period;The 6th period of idling completes a working cycles;The step of repeating air compressor operation state of cyclic operation test, until reaching termination condition.

Description

Air compressor PEMS test method
Technical field
The present invention relates to engine arts, especially with regard to a kind of air compressor PEMS test method.
Background technique
Air compressor is exactly a kind of machinery for compressed air so as to raising air pressure.With emission regulation for The requirement that non-rice habitats mechanically moving discharges pollutants is increasingly strict, it is desirable that progress vehicle PEMS be (portable system for testing discharge Write a Chinese character in simplified form) test, so that it is determined that the emission level under vehicle actual use operating condition, to further decrease vehicle exhaust emission.For In terms of the PEMS test method of current non-rice habitats field the case where basic blank.Current non-rice habitats field PEMS test, which is in, to be studied Step section lacks a kind of test method that can be used as standard.This programme proposes a kind of air compressor PEMS test method, the party Method can fully demonstrate the Drainage feature under air compressor actual operating mode, have repeatability is high to carry out convenient for different schemes Comparison, strong operability, advantage easy to use.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of air compressor PEMS test methods, can fully demonstrate air pressure In the case where Drainage feature under contracting machine actual operating mode, the time needed for reducing air compressor PEMS test.
To achieve the above object, the present invention provides a kind of air compressor PEMS test method, include the following steps: to pacify Fill PEMS test equipment;Air compressor runs state of cyclic operation test;Wherein, air compressor operation state of cyclic operation, which is tested, includes Following steps: engine start to air compressor machine sets idling, is switched to operating mode;Compressed gas outlet is opened, compressed gas is made The pressure of body outlet reaches the maximum value of air compressor setting, runs first time period;Adjust the pressure of compressed gas outlet To the 90% of maximal pressure force value, second time period is run;The pressure of compressed gas outlet is adjusted to the 80% of maximal pressure force value, is transported The row third period;The pressure of compressed gas outlet is adjusted to the 70% of maximal pressure force value, ran for the 4th period;Adjust compression The pressure of gas vent ran for the 5th period to the 60% of maximal pressure force value;The 6th period of idling completes a job and follows Ring, wherein second time period, third period, the 4th period and the 5th period are set to the equal time;It repeats empty Air compressor runs the step of state of cyclic operation test, until reaching termination condition;And data processing is carried out, obtain PEMS Test result.
In a preferred embodiment, the total work that termination condition is exported by engine reaches engine NRTC circulation function 5-7 times, and complete complete job circulation.
In a preferred embodiment, first time period is set to 3min.
In a preferred embodiment, second time period, third period, the 4th period and the 5th period quilt It is set as 5min.
In a preferred embodiment, the 6th period was set to 1min.
Compared with prior art, air compressor PEMS test method according to the present invention has the following beneficial effects: this The air compressor PEMS test method of invention, easy to operate, strong operability, reality can be represented by formulating test loop operating condition Discharge characteristics under service condition, test repeatability is good, and the contrast test being convenient under different schemes significantly reduces air Time needed for compressor PEMS test;The data regularity of air compressor PEMS test method acquisition of the invention is strong, subtracts Minority is according to analysis workload.
Detailed description of the invention
Fig. 1 is air compressor PEMS test method flow chart according to an embodiment of the present invention.
Fig. 2 is air compressor operation state of cyclic operation test flow chart according to an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1, air compressor PEMS test method according to the preferred embodiment of the present invention, including walk as follows It is rapid:
Step 101: installation PEMS test equipment;
Step 102: air compressor runs state of cyclic operation test;
Step 103: the step of repeating air compressor operation state of cyclic operation test, until reaching termination condition;With And
Step 104: carrying out data processing, obtain PEMS test result.
As shown in Fig. 2, the air compressor operation state of cyclic operation test includes the following steps:
Step 201: engine start to air compressor machine sets idling, is switched to operating mode;
Step 202: opening compressed gas outlet, the pressure for exporting compressed gas reaches the maximum of air compressor setting Value runs first time period;
Step 203: adjusting the pressure of compressed gas outlet to the 90% of maximal pressure force value, run second time period;
Step 204: adjusting the pressure of compressed gas outlet to the 80% of maximal pressure force value, run the third period;
Step 205: adjusting the pressure of compressed gas outlet to the 70% of maximal pressure force value, ran for the 4th period;
Step 206: adjusting the pressure of compressed gas outlet to the 60% of maximal pressure force value, ran for the 5th period;And
Step 207: the 6th period of idling completes a working cycles, wherein second time period, third period, Four periods and the 5th period are set to the equal time.
In a preferred embodiment, the total work that termination condition is exported by engine reaches engine NRTC circulation function 5-7 times, and complete complete job circulation.
In a preferred embodiment, first time period is set to 3min.
In a preferred embodiment, second time period, third period, the 4th period and the 5th period quilt It is set as 5min.
In a preferred embodiment, the 6th period was set to 1min.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (5)

1. a kind of air compressor PEMS test method, which is characterized in that the air compressor PEMS test method includes such as Lower step:
PEMS test equipment is installed;
Air compressor runs state of cyclic operation test;
Wherein, the air compressor operation state of cyclic operation test includes the following steps:
Engine start to air compressor machine sets idling, is switched to operating mode;
Compressed gas outlet is opened, the pressure of the compressed gas outlet is made to reach the maximum value of the air compressor setting, Run first time period;
The pressure of the compressed gas outlet is adjusted to the 90% of maximal pressure force value, runs second time period;
The pressure of the compressed gas outlet is adjusted to the 80% of maximal pressure force value, runs the third period;
The pressure of the compressed gas outlet is adjusted to the 70% of maximal pressure force value, ran for the 4th period;
The pressure of the compressed gas outlet is adjusted to the 60% of maximal pressure force value, ran for the 5th period;
The 6th period of idling completes a working cycles, wherein the second time period, third period, the 4th period The equal time is set to the 5th period;
The step of repeating the air compressor operation state of cyclic operation test, until reaching termination condition;And
Data processing is carried out, PEMS test result is obtained.
2. air compressor PEMS test method as described in claim 1, which is characterized in that the termination condition is engine The total work exported reaches 5-7 times of engine NRTC circulation function, and completes a complete job circulation.
3. air compressor PEMS test method as described in claim 1, which is characterized in that the first time period is set For 3min.
4. air compressor PEMS test method as described in claim 1, which is characterized in that the second time period, third Period, the 4th period and the 5th period can be set to that 5min.
5. air compressor PEMS test method as described in claim 1, which is characterized in that the 6th period is set For 1min.
CN201910171088.6A 2019-03-07 2019-03-07 Air compressor PEMS test method Pending CN109882397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910171088.6A CN109882397A (en) 2019-03-07 2019-03-07 Air compressor PEMS test method

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Application Number Priority Date Filing Date Title
CN201910171088.6A CN109882397A (en) 2019-03-07 2019-03-07 Air compressor PEMS test method

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CN109882397A true CN109882397A (en) 2019-06-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375988A (en) * 2019-08-14 2019-10-25 广西玉柴机器股份有限公司 The PEMS test method of crawler-mounted excavator
CN110426227A (en) * 2019-08-14 2019-11-08 广西玉柴机器股份有限公司 The PEMS test method of wheel excavator

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CN1869423A (en) * 2005-05-25 2006-11-29 海尔集团公司 Engine-driven type air conditioning device and control method
EP1983338A2 (en) * 2008-05-21 2008-10-22 StatoilHydro ASA Method for monitoring emissions of NOx from an emission source
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CN103890341A (en) * 2011-08-16 2014-06-25 越洋塞科外汇合营有限公司 Measurement of diesel engine emissions
CN109100151A (en) * 2018-09-30 2018-12-28 广西玉柴机器股份有限公司 A kind of fork truck PEMS test method
CN109387386A (en) * 2018-11-08 2019-02-26 广西玉柴机器股份有限公司 A kind of loading machine PEMS test method

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Publication number Priority date Publication date Assignee Title
CN110375988A (en) * 2019-08-14 2019-10-25 广西玉柴机器股份有限公司 The PEMS test method of crawler-mounted excavator
CN110426227A (en) * 2019-08-14 2019-11-08 广西玉柴机器股份有限公司 The PEMS test method of wheel excavator

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Application publication date: 20190614