HJ 1322-2023Technical specification for emission remote supervision system of non-road mobile machinery (English PDF)

3.1 non-road mobile machinery

All types of machinery used for non-road use and to which HJ 1014-2020 standard

applies, namely.

3.2 construction machinery

All mechanical equipment used in earthwork projects, mobile lifting and loading and

unloading projects, passenger and cargo lifting and transportation projects, municipal,

sanitation and various construction projects, comprehensive mechanized construction

and mechanized production processes related to the above projects, INCLUDING.

excavators, earth-moving and transportation machinery, lifting machinery, forklifts,

compaction machinery, road construction and maintenance machinery, concrete

machinery, tunneling machinery, pile-driving machinery, aerial work machinery, rock

drilling machinery, etc.

3.3 on-board terminal

Installed on non-road mobile machinery, it is used to collect, store and transmit

machinery positioning information, emission control diagnostic system information and

engine emission data. It belongs to pollution control device. On-board terminals are

divided into two categories. on-board emission terminals and on-board positioning

terminals.

3.5 secret key

A symbol sequence used to control cryptographic transformation operations (such as

encryption, decryption, cryptographic check function calculation, signature generation,

or signature verification). It is an asymmetric secret key pair. It includes a public key

and a private key. The private key is used for signing or decrypting. It shall not be

disclosed. The public key is used for signature verification or encryption.

3.9 national platform

A platform established by the ecological and environmental protection department of

the State Council to receive activation information of non-road mobile machinery and

data of emission remote supervision system of non-road mobile machinery transmitted

by enterprise platforms, and to manage the data in a unified manner.

3.10 data packet loss rate

The ratio of lost data packets to the total number of sent data packets during data

transmission.

4.1 Non-road mobile machinery (excluding construction machinery) equipped with

diesel engines with a rated net power of 37 kW or more shall be equipped with an on-

board positioning terminal that meets the requirements of Chapter 5 before leaving the

factory in accordance with the provisions of HJ 1014-2020.Machinery manufacturers

shall take necessary technical measures.

4.2 Engineering machinery equipped with diesel engines with a rated net power of 37

kW or above [if equipped with a selective catalytic reduction (SCR) after-treatment

system,

4.3 The on-board terminal shall comply with the requirements specified in Chapter 5.

The machinery manufacturer or on-board terminal manufacturer shall conduct

functional and performance tests on the on-board terminal. The test method shall

comply with the provisions of Annex A. The machinery manufacturer shall ensure that

the on-board terminal works normally throughout the life of the machinery.

4.5 The positioning, data collection and transmission of on-board terminals, enterprise

platform server settings, network data storage and applications, etc., shall comply with

the relevant laws and regulations of the relevant management departments.

4.6 The on-board terminal shall be activated according to the requirements of 5.2.2 and

receive the result feedback from the national platform. After successful activation, data

collection shall be carried out and transmitted to the enterprise platform according to

the specified communication protocol.

4.7 The national platform sends a response message to the enterprise platform regarding

the received data. The data flow framework is shown in Figure 1.

5.1 General requirements

5.1.1 The on-board emission terminal and on-board positioning terminal shall meet the

functional requirements specified in 5.2, the performance requirements specified in 5.3

and the data security requirements specified in 5.4.See Table 1 for specific items.

5.2 Functional requirements

5.2.1 Power-on self-test

The on-board terminal shall indicate the current main status through the warning light

and related indicators when it is powered on and starts working. The main status

includes. whether the network communication is normal, whether the function is

normal (last at least 10 s; if all functions are normal, it can be automatically

extinguished afterwards).

5.2.2 Activation

5.2.3 Data collection

5.2.3.1 The on-board emission terminal shall be able to collect the data specified in

Table 2.The collection frequency shall be at least 1 Hz.

5.2.5 Data transmission

5.2.5.1 After determining that the activation is successful, the on-board terminal shall

transmit the collected data according to the communication protocol specified in Annex

C (see Figures 4 and 5). The on-board emission terminal shall add a digital signature to

the transmitted data. Emission-related data and positioning information shall be

transmitted at least once every 10 min. Emission control diagnostic information shall

be transmitted at least once every 24 h.

5.2.7 Removal of alarms

Machinery manufacturers shall have technical measures to prevent on-board terminals

from being dismantled. Without the authorization of the machinery manufacturer, it

shall be ensured as much as possible that the on-board terminal cannot be dismantled.

When the on-board terminal is dismantled, the machine shall activate an alarm. If the

technology allows, the dismantling alarm information can be transmitted according to

the communication protocol specified in Annex C. The alarm information includes the

dismantling time and location information.

5.3 Performance requirements

6.1 General requirements

6.1.1 An enterprise may adopt one or more enterprise platforms, or entrust other

institutions to build and operate enterprise platforms. Different platforms may operate

independently.

6.2 Functional requirements

6.2.1 The enterprise platform shall have the function of receiving emission remote

monitoring data from the on-board terminal.

6.2.2 The enterprise platform shall ensure data security. It is advisable to use encryption

to receive and store data from the on-board terminal. The enterprise platform shall

ensure that the data has not been modified in any way.

6.3 Performance requirements

6.3.1 The enterprise platform shall have authentication functions to prevent malicious

access and attacks. It shall have permission management for data types and data entities,

such as the management of different users' access rights to different machine data.

6.3.2 The enterprise platform shall have a high availability mechanism that can prevent

task failure and data loss caused by faults.

6.3.3 The enterprise platform shall meet the requirements of GB/T 22239 security level

protection level 2 and above.

7.1 Test items and test methods for on-board terminals

Each model of on-board terminal shall be tested according to the test items and test

methods specified in Table 5.

7.2 Enterprise platform compliance

3.1 non-road mobile machinery

All types of machinery used for non-road use and to which HJ 1014-2020 standard

applies, namely.

3.2 construction machinery

All mechanical equipment used in earthwork projects, mobile lifting and loading and

unloading projects, passenger and cargo lifting and transportation projects, municipal,

sanitation and various construction projects, comprehensive mechanized construction

and mechanized production processes related to the above projects, INCLUDING.

excavators, earth-moving and transportation machinery, lifting machinery, forklifts,

compaction machinery, road construction and maintenance machinery, concrete

machinery, tunneling machinery, pile-driving machinery, aerial work machinery, rock

drilling machinery, etc.

3.3 on-board terminal

Installed on non-road mobile machinery, it is used to collect, store and transmit

machinery positioning information, emission control diagnostic system information and

engine emission data. It belongs to pollution control device. On-board terminals are

divided into two categories. on-board emission terminals and on-board positioning

terminals.

3.5 secret key

A symbol sequence used to control cryptographic transformation operations (such as

encryption, decryption, cryptographic check function calculation, signature generation,

or signature verification). It is an asymmetric secret key pair. It includes a public key

and a private key. The private key is used for signing or decrypting. It shall not be

disclosed. The public key is used for signature verification or encryption.

3.9 national platform

A platform established by the ecological and environmental protection department of

the State Council to receive activation information of non-road mobile machinery and

data of emission remote supervision system of non-road mobile machinery transmitted

by enterprise platforms, and to manage the data in a unified manner.

3.10 data packet loss rate

The ratio of lost data packets to the total number of sent data packets during data

transmission.

4.1 Non-road mobile machinery (excluding construction machinery) equipped with

diesel engines with a rated net power of 37 kW or more shall be equipped with an on-

board positioning terminal that meets the requirements of Chapter 5 before leaving the

factory in accordance with the provisions of HJ 1014-2020.Machinery manufacturers

shall take necessary technical measures.

4.2 Engineering machinery equipped with diesel engines with a rated net power of 37

kW or above [if equipped with a selective catalytic reduction (SCR) after-treatment

system,

4.3 The on-board terminal shall comply with the requirements specified in Chapter 5.

The machinery manufacturer or on-board terminal manufacturer shall conduct

functional and performance tests on the on-board terminal. The test method shall

comply with the provisions of Annex A. The machinery manufacturer shall ensure that

the on-board terminal works normally throughout the life of the machinery.

4.5 The positioning, data collection and transmission of on-board terminals, enterprise

platform server settings, network data storage and applications, etc., shall comply with

the relevant laws and regulations of the relevant management departments.

4.6 The on-board terminal shall be activated according to the requirements of 5.2.2 and

receive the result feedback from the national platform. After successful activation, data

collection shall be carried out and transmitted to the enterprise platform according to

the specified communication protocol.

4.7 The national platform sends a response message to the enterprise platform regarding

the received data. The data flow framework is shown in Figure 1.

5.1 General requirements

5.1.1 The on-board emission terminal and on-board positioning terminal shall meet the

functional requirements specified in 5.2, the performance requirements specified in 5.3

and the data security requirements specified in 5.4.See Table 1 for specific items.

5.2 Functional requirements

5.2.1 Power-on self-test

The on-board terminal shall indicate the current main status through the warning light

and related indicators when it is powered on and starts working. The main status

includes. whether the network communication is normal, whether the function is

normal (last at least 10 s; if all functions are normal, it can be automatically

extinguished afterwards).

5.2.2 Activation

5.2.3 Data collection

5.2.3.1 The on-board emission terminal shall be able to collect the data specified in

Table 2.The collection frequency shall be at least 1 Hz.

5.2.5 Data transmission

5.2.5.1 After determining that the activation is successful, the on-board terminal shall

transmit the collected data according to the communication protocol specified in Annex

C (see Figures 4 and 5). The on-board emission terminal shall add a digital signature to

the transmitted data. Emission-related data and positioning information shall be

transmitted at least once every 10 min. Emission control diagnostic information shall

be transmitted at least once every 24 h.

5.2.7 Removal of alarms

Machinery manufacturers shall have technical measures to prevent on-board terminals

from being dismantled. Without the authorization of the machinery manufacturer, it

shall be ensured as much as possible that the on-board terminal cannot be dismantled.

When the on-board terminal is dismantled, the machine shall activate an alarm. If the

technology allows, the dismantling alarm information can be transmitted according to

the communication protocol specified in Annex C. The alarm information includes the

dismantling time and location information.

5.3 Performance requirements

6.1 General requirements

6.1.1 An enterprise may adopt one or more enterprise platforms, or entrust other

institutions to build and operate enterprise platforms. Different platforms may operate

independently.

6.2 Functional requirements

6.2.1 The enterprise platform shall have the function of receiving emission remote

monitoring data from the on-board terminal.

6.2.2 The enterprise platform shall ensure data security. It is advisable to use encryption

to receive and store data from the on-board terminal. The enterprise platform shall

ensure that the data has not been modified in any way.

6.3 Performance requirements

6.3.1 The enterprise platform shall have authentication functions to prevent malicious

access and attacks. It shall have permission management for data types and data entities,

such as the management of different users' access rights to different machine data.

6.3.2 The enterprise platform shall have a high availability mechanism that can prevent

task failure and data loss caused by faults.

6.3.3 The enterprise platform shall meet the requirements of GB/T 22239 security level

protection level 2 and above.

7.1 Test items and test methods for on-board terminals

Each model of on-board terminal shall be tested according to the test items and test

methods specified in Table 5.

7.2 Enterprise platform compliance