HOME   Cart(2)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

HJ 845-2017 English PDF

US$349.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
HJ 845-2017: (In the use of diesel vehicles exhaust pollutant measurement methods and technical requirements (remote sensing detection method))
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
HJ 845-2017English349 Add to Cart 3 days [Need to translate] (In the use of diesel vehicles exhaust pollutant measurement methods and technical requirements (remote sensing detection method)) Valid HJ 845-2017

PDF similar to HJ 845-2017


Standard similar to HJ 845-2017

HJ 836   HJ 693   HJ 734   HJ 838   HJ 837   

Basic data

Standard ID HJ 845-2017 (HJ845-2017)
Description (Translated English) (In the use of diesel vehicles exhaust pollutant measurement methods and technical requirements (remote sensing detection method))
Sector / Industry Environmental Protection Industry Standard
Classification of Chinese Standard Z25
Word Count Estimation 15,115
Date of Issue 2017-07-27
Date of Implementation 2017-07-27
Regulation (derived from) Ministry of Environmental Protection Bulletin 2017 No.34
Issuing agency(ies) Ministry of Ecology and Environment

HJ 845-2017: (In the use of diesel vehicles exhaust pollutant measurement methods and technical requirements (remote sensing detection method))


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(In the use of diesel vehicles exhaust pollutant measurement methods and technical requirements (remote sensing detection method)) 2017-07-27 released 2017-07-27 Implementation National Environmental Protection Standard of the People 's Republic of China In the use of diesel vehicles exhaust pollutant measurement methods And technical requirements (Remote sensing detection method) Measurement method and specifications for exhaust pollutants from in-use diesel vehicles by remote sensing method Ministry of Environmental Protection released Directory

Foreword

1 Scope of application 1 2 normative reference document 1

3 Terms and definitions

4 measurement requirements 2 5 pollutant emission limits 2 6 result judgment 2 7 standard implementation 3 Appendix A (normative) Measurement method 4 Appendix B (Normative Appendix) Data Record 7 Appendix C (Normative appendix) Data sharing 8 Appendix D (normative) Equipment calibration and inspection requirements Appendix E (informative) Test results report 12

Foreword

In order to implement the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution, Vehicle emissions of pollutants, the development of this standard. Remote sensing detection is a kind of emission test method which does not affect the normal passage of the road. It is suitable for exhaust inspection in the vehicle exhaust. This standard specifies the use of remote sensing detection method in real time on the actual road driving diesel vehicle exhaust pollutant emission measurement side Method, instrument installation requirements, results determination criteria and emission limits. Appendix A, Appendix B, Appendix C, Appendix D are normative appendices, Appendix E is an informative appendix. This standard is the first release. This standard is organized by the Department of Environmental Protection of the Ministry of Environmental Protection and the Department of Science and Technology Standards. The drafting of this standard. China Environmental Science Research Institute, Beijing Institute of Technology, China University of Science and Technology. This standard is approved by the Ministry of Environmental Protection on July 27,.2017. This standard shall come into force as of the date of promulgation. Since the implementation of this standard date, the existing relevant local remote sensing testing standards abolished. This standard is explained by the Ministry of Environmental Protection. In the use of diesel vehicles exhaust pollutant measurement methods and technical requirements (remote sensing detection method)

1 Scope of application

This standard specifies the use of remote sensing detection method in real time on the actual road driving diesel vehicles exhaust pollutant emissions measurement Method, instrument installation requirements, results determination criteria and emission limits. This standard applies to fixed remote sensing detection and mobile remote sensing detection. This standard applies to GB/T 15089 of the M class and N class equipped with compression ignition engine car.

2 normative reference documents

This standard refers to the following documents or the terms thereof. For undated references, the latest edition of this document applies standard. GB 3847 Vehicle Compression Ignition Engine and Compression Ignition Engine Automobile Exhaust Smoke Emission Limits and Measurement Methods Classification of Motor Vehicles and Trailers GB/T 21255 motor vehicle speedometer General technical requirements for telemetry equipment for motor vehicle tail gas JB/T 11996 Standard Terminology and Definitions for JJF 1001

3 terms and definitions

The following terms and definitions apply to this standard. 3.1 M and N vehicle vehicles of category Mand N According to GB/T 15089-2001 regulations. Class M cars are motor vehicles that have at least four wheels and are used to carry passengers. The M1 class refers to the driver's seat Within the seat number of not more than nine passenger cars. Class N vehicles are motor vehicles that have at least four wheels and are used for loading. 3.2 Remote sensing method Method of measuring the exhaust pollutants in automobile by means of optical principle. 3.3 Stationary remote sensing Fixed installation, can be unattended continuous operation, test results data sent directly to the environmental protection department or its commissioning machine Structure Fixed remote sensing detection can be divided into two types. vertical remote sensing detection and horizontal remote sensing detection. 3.4 Mobile remote sensing With a special car loading, according to the need to randomly select the measurement location, the use of equipment in accordance with the provisions of the installation commissioning, After the work is completed, the equipment will be collected and the test result data will be sent directly to the environmental protection department or its commission. 3.5 Vertical remote sensing A fixed remote sensing detection method. Arrange the detection instrument optical path in the vertical direction to obtain the vehicle on the road to be tested And its emissions of pollutants and other related information to achieve rapid detection of vehicle exhaust pollutants remote sensing detection method. 3.6 Horizontal remote sensing A fixed remote sensing detection method. Arrange the detection instrument in the horizontal direction to obtain the vehicle on the road to be tested And its emissions of pollutants and other related information to achieve rapid detection of vehicle exhaust pollutants remote sensing detection method. 3.7 Exhaust pollutant Refers to the exhaust emissions of particulate matter and particulate matter. This standard refers to nitric oxide (NO) and particulate matter (with opacity And blackness meter). 3.8 Opacity opacity Refers to the light emitted from the light source through the diesel exhaust smoke to reach the optical receiver receiver percentage, recorded as "%". 3.9 Ringelmann blackness A mixture of exhaust pollutants and Ringermann concentration map measured by a smoke and dust concentration representation, divided into 0 to 5 level. There are six corresponding Ringermann concentration maps, 0 for all white, 1 level of blackness of 20%, 2 for 40%, 3 for 60%, 4 for 80%, 5 for all black.

4 measurement requirements

Measured in accordance with the measurement method specified in Appendix A, the technical parameters of the test equipment shall comply with the requirements of Annex AA Record and real-time sharing of data should be consistent with the requirements of Appendix B and Appendix C. The test report format is shown in Appendix E. The equipment should be calibrated and checked in accordance with the relevant requirements in Appendix D before and after use.

5 pollutant discharge limits

Installed compression-ignition engine The use of remote sensing detection of emission limits in Table 1. Table 1 Installed Compression Ignition Engine Vehicle Pollutant Emission Limits Opacity (%) Ringermann blackness NO (1) (volume concentration) Limit 30 1 1500 × 10-6 (1) NO limits are only used for screening high-lift vehicles

6 result judgment

The results of the same contaminant test for two or more consecutive periods exceed the emission limits specified in Table 1, and the measurement interval is 6 Within the month, the vehicle is judged to be unqualified.

7 standard implementation

This standard shall come into force as of the date of promulgation.

Appendix A

(Normative appendix) Measurement methods A.1 Overview This appendix specifies the method of remote sensing detection. A.2 Measurement conditions A.2.1 Measurement location The measurement site should be a long road with a good view and a smooth road surface. The measurement section may be a single lane section or a multi-lane section, the distance between each vehicle passing through is not less than 1.0s, The vehicle passing time is less than 1.0s. The measurement result is invalid. A.2.2 Environmental conditions The atmosphere should meet the following conditions. - no rain, fog, snow; - no obvious dust; - wind speed ≤5.0m/s; - Ambient temperature. -20.0 ~ 45.0 ℃; - relative humidity ≤ 85.0%; - Atmospheric pressure. 70.0 to 101.4 kPa. A.3 Measurement method A.3.1 Equipment installation The measuring equipment shall comply with Annex AA. The measuring equipment shall be installed in accordance with AA.4. A.3.2 Equipment commissioning - preheat the analyzer into the measurement application; - enter the information required in Appendix B and Appendix E; - adjust the transmitter and receiver; - adjust the camera focal length, aperture to ensure that the shooting of a clear diesel vehicle emissions Ringermann black degree and license parts picture; - Enter the calibration interface for zero scale and full scale calibration. A.3.3 Measurement and recording When the diesel vehicle passes the inspection point, the remote sensing detection device automatically shoots and identifies the vehicle license plate number, automatically measures the vehicle pollutant Concentration, shooting Rhegman blackness, and the collected data and calculation results into the database. Annex AA (Normative) Technical requirements for measuring equipment AA.1 Overview This annex specifies the technical requirements and installation procedures for remote sensing equipment. Remote sensing equipment to meet the relevant industry standards at the same time, to meet the technical requirements of this annex. AA.2 Classification, composition and measurement principle of equipment AA.2.1 Equipment classification Remote sensing equipment according to the work mainly divided into vertical fixed, horizontal fixed and mobile remote sensing equipment. AA.2.2 Equipment composition Remote sensing detection equipment mainly by the exhaust pollutant measurement and analysis system, industrial computer, camera system and license plate recognition system, the environment Condition detection equipment and other components. AA.2.3 Measurement principle Compressed ignition engine exhaust smoke measurement, the opacity measurement should be used 550-570nm wavelength of green light two Pole light source or other equivalent light source; Ringgain blackness can be used to shoot video camera equipment. AA.3 Equipment requirements AA.3.1 exhaust pollutant measurement and analysis system AA.3.1.1 Analysis system response time should not be greater than 1.0 s. AA.3.1.2 The measurement range and indication error of the main pollutants in the measurement and analysis system shall be in accordance with the requirements of Table AA.1 and AA.2. begging. Table AA.1 Measurement range of major pollutants Table AA.2 shows the allowable error AA.3.1.3 Repeatability. The reproducibility of the contaminants in Table AA.2 shall be 1/2 of the permissible error of the indication. AA.3.1.4 stability. remote sensing equipment on the various pollutants for a continuous measurement of 1 hour, the error should not exceed the remote sensing Equipment indication error. AA.3.2 IPC IPC should be equipped with system control software to coordinate the work of the components to complete the video and data acquisition, data analysis and Pollutant species measurement range CO2 (0 ~ 16) × 10-2 NO (0 to 5000) x 10-6 Opacity (0 to 100)% Contamination error corresponding to the measurement range Absolute error Relative error (%) CO2 (0 ~ 16) × 10-2  0.25%  10 NO (0 to 1000) x 10  20 × 10-6  10 (1000 ~ 5000) × 10-6  10 Opacity (0 ~ 100)%  2%  5 Note. Absolute error and relative error listed in the table can satisfy one of them. Data management and so on. With data exchange with the input and output read and write interface. AA.3.3 camera system and license plate recognition system The camera system consists of a camera and power supply located above the test lane. Real-time shooting is done by remote sensing. Of the diesel car photos and video, and the results of real-time data transmission to the IPC. The vehicle license plate recognition system is used to identify the licenses of past diesel images and videos. Vehicle image capture rate. ≥98.0%. Vehicle license plate recognition rate. ≥ 95.0%. AA.3.4 Environmental parameters detection equipment Environmental parameters Measuring instruments mainly include thermometers, hygrometers, gradient meters and so on. The allowable error shall be in accordance with Table AA.3 begging. Table AA.3 Requirements for environmental parameters testing instruments Measurement range allows error Temperature (℃) -40.0 ~ 50.0 ± 0.5 Relative humidity (%) 5.0 ~ 95.0 ± 3% of full scale Slope angle (°) -15.0 ~ 15.0 ± 0.1 Wind speed (m/s) 0 ~ 20.0 ± 10% Pressure (kPa) 70.0 to 102.4 ± 5% AA.4 equipment installation Vertical remote sensing equipment Vertical remote sensing equipment should be fixed on the gantry above the road, gantry height should not be less than 5 meters, measured On the top of the lane, install the remote sensing detection transmitter and lay the reflection device in the lane below. AA.4.2 Horizontal remote sensing equipment Horizontal remote sensing equipment Contaminant exhaust analysis system Horizontal placement, recommended exhaust emissions Detection of optical path from the ground height The range is. 20.0 ~ 40.0 cm. AA.4.3 Mobile remote sensing equipment Mobile remote sensing equipment installation should meet the requirements of AA.4.2, should also be equipped with satellite positioning system to obtain remote sensing The location of the location of the information.

Appendix B

(Normative appendix) data record B.1 Overview In the remote sensing measurement of each place after a car, whether or not to obtain effective emissions data, measurement systems are required to generate a record, Each record needs to be assigned a specific sequence number as the check record number. Each record should record at least the following information. B.2 Enter the parameters - the name of the test, longitude, latitude, slope; - the name of the person; - testing equipment manufacturers, models; - automatically generate date and start, end time; - Automatically generate measurement record numbers. B.3 Environmental parameters - wind speed (m/s); - Ambient temperature (° C); --Relative humidity(%); - atmospheric pressure (kPa); - road slope (°). B.4 For each test vehicle, record the following results separately - Pollutant emission results; - vehicle passing time; - vehicle fuel type; --License plate number; - license plate color; - Picture sequence number; - the results of identification (qualified and unqualified, respectively, with different colors). B.5 Automatic calibration and inspection of data records - automatic calibration and inspection time; - automatic calibration and inspection of data; - Automatic calibration and inspection results. Appendix C. (Normative appendix) data sharing Detection information should be able to achieve the city, provincial and national levels of network and data sharing, data sharing project is not less than Table C.1 project. Table C.1 Remote sensing data sharing information table Serial number code name type description 1 JLBH record number character (30) 2 DWBH point number character (12) 3 YCXBH Telemetry Line Number Character (2) 4 JCDWRZH checkpoint log number character (8) mobile type apply 5 JCRYXM Detecting Person Name Character (50) Mobile Applicable 6 CDXH Lane No. Character (6)

7 JCRQ detection time date YYYYMMDD

8 DDJD Location Longitude Number (10,5) 9 DDWD Location Latitude Digital (10,5) 10 CDPD Lane Slope Digital (3,2) 11 PDJG Judgment result character (1) 0 - no pass 1 - pass 12 HPHM number number character (15) conforms to GA/T 543 13 HPYS license plate color characters (5) 0 - blue card 1 - yellow card 2 - white card 3 - black card 14 HPZL plate type characters (5) meet GA/T 543 15 RLZL Fuel type characters (3) according to GA 329.2 requirements 16 CO2JG CO2 Results Figures (3,2)% 17 NOCO2 NO/CO2 ratio figures (3,2) 18 NOJG NO Results Number (3,2) 19 BTGDJG opacity results figures (3,2) 20 LGMHD Rhefman Blackness figures (1) 21 NOXZ NO limit number (3,2) 22 BTGDXZ opacity limit number (3,2) 23 HDXZ black limit value (1) 24 FS wind speed numerical number (1) m/s 25 FX Directional Characters (8) 26 HJ WDWD Ambient temperature value ℃ 27 SD humidity value% 28 DQY Atmospheric pressure value kPa 29 TP1 image 1 file name character type (200) to record number Order number, guaranteed only One sex 30 TP2 image 2 file name character type (200) is named with the record number sequence number, guaranteed only Serial number code name type description One sex 31 SP1 Video 1 File name Character type (200) With record number Order number, guaranteed only One sex

Appendix D

(Normative appendix) Equipment calibration and inspection requirements D.1 Overview Remote sensing equipment calibration for the timing of automatic calibration, testing before the need for their own automatic calibration, when the detection of changes in the situation Need to re-calibration, and record the automatic calibration time. Remote sensing equipment before use, and in use, every 6 months should be carried out at least once in accordance with the accuracy of the inspection, Only after the accuracy of the inspection can continue to use, or should be re-calibration calibration, until the requirements of this appendix to meet. Accuracy checks include static and dynamic checks in both ways, both of which are subject to conditional restrictions Less should be carried out dynamic check. D.2 Automatic calibration requirements D.2.1 Standard gas The standard gas shall be a standard mixture of two or more (including Grade 2), its composition and concentration shall be in accordance with Table D.1, The permissible deviation of the standard gas concentration should not exceed ± 5% as specified in Table D.1. Table D.1 Standard gas composition and concentration Component volume concentration CO2 14.5 × 10-2 NO 2500 × 10-6 N2 remaining D.2.2 Time interval requirements Continuous self-calibration time interval should be less than 2 hours, or in accordance with the provisions of the operating manual, but not up to Should be greater than 3 hours. D.2.3 Automatic calibration process requirements Automatic calibration process should be no vehicles through, or need to re-automatic calibration. When the auto calibration fails, it can not be used for detection until the next automatic calibration passes before it can be detected. D.3 Accuracy check requirements D.3.1 Static Accuracy Check Requirements Static accuracy check in two steps, first with high concentrations of standard gas to check, and then use the medium and low concentration standard gas into Line accuracy check, high, medium and low concentration standard gas should meet the requirements of Table D.2, Table D.3 and Table D.4. Table D.2 High concentration standard gas Standard gas volume concentration CO2 12.5 x 10-2 NO 3000 × 10-6 N2 remaining Table D.3 Concentration standard gas Standard gas volume concentration CO2 5.0 × 10-2 NO.2000 × 10-6 N2 remaining Table D.4 Low concentration standard gas Standard gas volume concentration CO2 3.0 × 10-2 NO 1000 × 10-6 N2 remaining Static accuracy check, to be remote sensing equipment debugging is normal, in the remote sensing test equipment on the test light path to release the table D.3 and Table D.4, the concentration of medium and low standard gas, the concentration of remote sensing test and the above standard gas concentration error should meet the requirements of Table AA.1 Claim. If it is not satisfied, it should be re-high standard gas calibration, and then in the low concentration of standard gas inspection. Static accuracy check failed, can not be followed by the measurement. D.3.2 Dynamic Accuracy Check Requirements Using a pure electric vehicle, standard cylinders that meet the concentrations of Table D.2, Table D.3 and Table D.4 are mounted on the vehicle and pass Car installed on the simulation of exhaust pipe discharge, in the 10.0-80.0km/h speed range, evenly select the low speed, medium speed and high speed three At different speed points, the vehicle is measured by remote sensing, and the measurement results of the remote sensing equipment are shown in Table D.2, Table D.3 and Table The relative error between the standard gas concentrations specified in D.4 shall not exceed ± 15%. If the relative error of the measured results is greater than ± 15% You should perform a static accuracy check and then perform a dynamic accuracy check. Dynamic accuracy check failed, can not enter Line of subsequent measurements. When the vertical remote sensing equipment and equipment are put into use for the first time, the standard cylinders should be installed in the left end of the experimental pure electric vehicle, Right rear and rear middle part, in the 10.0-80.0km/h speed range, select the high speed, medium speed and low speed three speed, At different speeds, respectively, along the test lane on the left, traveling right, along the road in the middle of the remote sensing equipment, the accuracy of the results Are required to meet the dynamic accuracy check requirements. D.3.3 Check the process requirements No vehicle is allowed during calibration and inspection, otherwise recalibration and inspection are required. The calibration gas used should be a secondary or higher standard mixture. D.3.4 Standard filter The standard filter shall be provided with at least 5 sheets, and the opacity smoke value shall be specified in Table D.5. The actual indication shall be the same as that specified in Table D.5 The deviation of the value should be less than ± 2.0%, the uncertainty should not be greater than 0.3%. Table D.5 Standard filter indication Serial number opacity (%) D.4 Other instruments D.4.1 Requirements for environmental conditions Environmental conditions The calibration or inspection cycle of the instrument should not be greater than 180 days and the error shall meet the requirements of Annex AA.3.4.

Appendix E

(Informative) Test results report Test report number. Detection time. Detection operator. E.1 Detection of environmental parameters Relative humidity (%). Temperature (℃). Wind speed (m/s). atmospheric pressure (kPa). slope). Detection Location Longitude. Location. Detection of latitude. E.2 Testing equipment Detection System Model Name. Detection Line Number. Manufacturer. E.3 Test results License plate number. License plate Color. Picture serial number. Picture picture Table E.1 Pollutant Emission Results Exhaust Pollutants (1) NO (10-6) Emissivity (%) Ringermann Blackness (Grade) Test Results Emission limits Qualified/Unqualified/Unqualified/Unqualified The total result is qualified/unqualified Note (1). crossed out not applicable

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of HJ 845-2017_English be delivered?

Answer: Upon your order, we will start to translate HJ 845-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of HJ 845-2017_English with my colleagues?

Answer: Yes. The purchased PDF of HJ 845-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.