CN114265557B - Pollutant emission data processing method and device - Google Patents
Pollutant emission data processing method and device Download PDFInfo
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Abstract
The application provides a pollutant emission data processing method and device, which are used for establishing communication connection with storage equipment for storing pollutant emission data, responding to a data service mode selected by a user on terminal equipment, wherein the data service mode comprises storage equipment data emptying, storage capacity reading of the storage equipment or storage equipment data export, and processing the pollutant emission data according to the corresponding data service mode. That is, according to the embodiment of the application, the terminal device can be directly connected with the storage device, the terminal device processes the pollutant emission data stored in the storage device according to the data service mode selected by the user on the terminal device, the storage card in the storage device is not required to be taken out, the pollutant emission data is processed by using the additional reading device, the pollutant emission data can be directly processed in real time by using the terminal device, and the requirement of the user on quick processing of the stored pollutant emission data can be met.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a pollutant emission data processing method and device.
Background
A memory card is currently installed on the vehicle to store the pollutant emission data for subsequent use to monitor whether the pollutant emission of the vehicle meets national regulatory requirements.
However, when the pollutant emission data stored in the memory card is checked or exported, the memory card needs to be taken out of the memory device, and the pollutant emission data can be checked or exported by using a reading device for reading the data in the memory card, which is very inconvenient for users or technicians and cannot meet the requirement of the users or technicians on quick processing of the pollutant emission data stored in the memory card.
Disclosure of Invention
In view of the foregoing, an object of the present application is to provide a method and an apparatus for processing pollutant emission data, which can meet the requirement of a user or a technician for fast processing of stored pollutant emission data.
The embodiment of the application provides a pollutant emission data processing method, which is applied to terminal equipment and comprises the following steps:
establishing a communication connection with a storage device storing pollutant emission data;
responsive to a data service mode selected by a user on a terminal device, the data service mode including storage device data flushing, storage device storage capacity reading, or storage device data exporting;
and processing the pollutant emission data according to the corresponding data service mode.
Optionally, if the data service mode is storage device data emptying, the processing the pollutant emission data according to the corresponding data service mode includes:
and the terminal equipment sends a data emptying message to the storage equipment by utilizing the communication connection so as to empty pollutant emission data stored in the storage equipment.
Optionally, if the data service mode is storage capacity reading of the storage device, the processing the pollutant emission data according to the corresponding data service mode includes:
and the terminal equipment sends a storage capacity reading message to the storage equipment by utilizing the communication connection so as to read the storage capacity of the storage equipment.
Optionally, the storage device storage capacity comprises a storage device total storage capacity;
the processing of the pollutant emission data according to the corresponding data service pattern comprises:
and the terminal equipment sends a total storage capacity reading message to the storage equipment by utilizing the communication connection so as to read the total storage capacity of the storage equipment.
Optionally, the storage device storage capacity comprises storage device already-stored capacity;
the processing of the pollutant emission data according to the corresponding data service pattern comprises:
the terminal device sends a stored capacity reading message to the storage device using the communication connection to read the stored capacity of the storage device.
Optionally, the method further comprises:
and displaying the storage capacity of the storage device on the terminal device.
Optionally, if the data service mode is storage device data derivation, the processing the pollutant emission data according to the corresponding data service mode includes:
the terminal device sends a data export message to the storage device using the communication connection to export the pollutant emission data stored in the storage device.
Optionally, the terminal device sends a data export message to the storage device using the communication connection to export the pollutant emission data stored in the storage device, including:
and the terminal equipment sends a data export message to the storage equipment by utilizing the communication connection, reads pollutant emission data stored in the storage equipment, and converts the format of the pollutant emission data into a display format so as to export the pollutant emission data stored in the storage equipment.
Optionally, the pollutant emission data comprises redundant data and valid data;
the terminal device sending a data export message to the storage device using the communication connection to export the pollutant emission data stored in the storage device comprising:
and the terminal equipment sends a data export message to the storage equipment by utilizing the communication connection, reads pollutant emission data stored in the storage equipment, and deletes the redundant data so as to export the effective data.
The embodiment of the application provides a pollutant emission data processing device, which comprises:
an establishing unit for establishing a communication connection with a storage device storing pollutant emission data;
a selection unit for responding to a data service mode selected by a user on the terminal device, wherein the data service mode comprises storage device data emptying, storage device storage capacity reading or storage device data export;
and the processing unit is used for processing the pollutant emission data according to the corresponding data service mode.
The pollutant emission data processing method is applied to terminal equipment, communication connection with storage equipment for storing pollutant emission data is established, and in response to a data service mode selected by a user on the terminal equipment, the data service mode comprises storage equipment data emptying, storage equipment storage capacity reading or storage equipment data exporting, and the pollutant emission data is processed according to the corresponding data service mode. That is, according to the embodiment of the application, the terminal device can be directly connected with the storage device, the terminal device processes the pollutant emission data stored in the storage device according to the data service mode selected by the user on the terminal device, the storage card in the storage device is not required to be taken out, the pollutant emission data is processed by using the additional reading device, the pollutant emission data can be directly processed in real time by using the terminal device, and the requirement of the user on quick processing of the stored pollutant emission data can be met.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 illustrates a flow diagram of a pollutant emission data processing method according to an embodiment of the present application;
fig. 2 is a schematic diagram of a display interface of a terminal device according to an embodiment of the present application;
fig. 3 shows a schematic structural view of a pollutant emission data processing device according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Memory cards are currently installed on vehicles to store pollutant emission data, particularly for heavy diesel vehicles, which is of great importance for the storage of the pollutant emission data in order to subsequently monitor the vehicle for pollutant emissions meeting national regulations.
However, when the pollutant emission data stored in the memory card is checked or exported, the memory card needs to be taken out of the memory device, and the pollutant emission data can be checked or exported by using a reading device for reading the data in the memory card, which is very inconvenient for users or technicians and cannot meet the requirement of the users or technicians on quick processing of the pollutant emission data stored in the memory card.
Based on this, the embodiment of the application provides a pollutant emission data processing method, which is applied to a terminal device, establishes communication connection with a storage device storing pollutant emission data, and responds to a data service mode selected by a user on the terminal device, wherein the data service mode comprises storage device data emptying, storage device storage capacity reading or storage device data exporting, and the pollutant emission data is processed according to the corresponding data service mode. That is, according to the embodiment of the application, the terminal device can be directly connected with the storage device, the terminal device processes the pollutant emission data stored in the storage device according to the data service mode selected by the user on the terminal device, the storage card in the storage device is not required to be taken out, the pollutant emission data is processed by using the additional reading device, the pollutant emission data can be directly processed in real time by using the terminal device, and the requirement of the user on quick processing of the stored pollutant emission data can be met.
For a better understanding of the technical solutions and technical effects of the present application, specific embodiments will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a flowchart of a pollutant emission data processing method according to an embodiment of the present application is provided.
The pollutant emission data processing method provided by the embodiment of the application can be applied to terminal equipment, the terminal equipment is provided with a display screen, and a display interface of the display screen can display information selected by a user. The terminal equipment can be provided with a corresponding client so as to realize that a user can directly acquire relevant contents of pollutant emission data on a display interface of the client.
As an example, for heavy diesel vehicles, the terminal equipment may be installed with a national sixth stage automotive pollutant emission standard client developed for implementing the pollutant emission data processing method provided by the embodiments of the present application.
The pollutant emission data processing method provided by the embodiment comprises the following steps:
s101, establishing a communication connection with a storage device storing pollutant emission data.
In the embodiment of the present application, the terminal device establishes a communication connection with the storage device storing the pollutant emission data, and specifically, may be a communication connection between a client in the terminal device and the storage device storing the pollutant emission data. For example, the connection of the terminal device and the storage device may be achieved using the universal diagnostic service (Unified Diagnostic Services, UDS) protocol.
S102, responding to a data service mode selected by a user on the terminal equipment.
In the embodiments of the present application, the terminal device may provide the user with a service for processing the pollutant emission data stored in the storage device in real time, that is, the user may select a data service mode for processing the pollutant emission data on the terminal device. Wherein the data service mode includes storage device data flushing, storage device storage capacity reading, or storage device data exporting.
And (3) the data of the storage device is emptied, namely the storage device is formatted, and the data in the storage device is deleted. Storage device storage capacity reading is a determination of the storage capacity of a storage device, which may include the total storage capacity of the storage device and the storage device stored capacity. The storage device data export is to export the pollutant emission data stored in the storage device and store the pollutant emission data on the terminal device or other devices, so that the pollutant emission data can be conveniently read from the storage device in real time and checked in the terminal device.
As a possible implementation manner, the transmission message of the data service mode may be defined by using the UDS protocol, so that after the user selects the corresponding data service mode, the terminal device performs corresponding message transmission by using the transmission message defined by the UDS protocol.
The UDS protocol defines 0x2E as the data service mode for storage device data flushing, the UDS protocol defines 0x22 as the data service mode for storage device storage capacity reading, and the UDS protocol defines 0x23 as the data service mode for storage device data exporting.
In the embodiment of the application, the UDS protocol may further define 0x27 as an authentication service, that is, determine the identity between the terminal device and the storage device, and perform the processing of the pollutant emission data after determining the identity, so that the security before the processing of the pollutant emission data can be ensured. The corresponding sub-functions 0x19/0x1A of the server may also be defined for authentication service 0x 27.
In the embodiment of the application, the UDS protocol can also define 0x7E as a session mode, which can provide rights management and functional isolation for a data service mode in a terminal device.
And S103, processing the pollutant emission data according to the corresponding data service mode.
In embodiments of the present application, after the user selects the data service mode on the terminal device, the terminal device may process the pollutant emission data according to the data service mode selected by the user.
As a possible implementation, if the data service mode selected by the user is storage device data flushing, the terminal device may send a data flushing message to the storage device by using the communication connection, so as to flush the pollutant emission data stored in the storage device.
The storage device may be divided into a plurality of storage areas including a regulation real-time data storage area and a regulation blind area data storage area when storing the pollutant emission data. The data may be stored in a user-defined format when stored, for example, the storage format may be in a format that occupies less storage space in order to store more data in the limited storage space of the storage device.
As an example, the pollutant emission data may be stored using a format including a start storage identification, a currently stored pollutant emission data packet length, and a specific content of the currently stored pollutant emission data, the storage of the pollutant emission data being performed in units of 1 Kilobyte (KB), and if the pollutant emission data is less than 1KB, the redundant data FF being filled up to 1KB.
After the pollutant emission data are stored in the storage areas of the storage device, the data emptying message can be sent to the storage device by using the data emptying corresponding data service mode 0x2E defined by the UDS protocol.
The specific message related to the Data clear message is shown below, and includes a Data Identifier (DID), data (Data), a session mode, and a secure access sub-function, where 03 in Data represents a regulation real-time Data storage area, and 02 represents a regulation blind area Data storage area.
When the storage device is formatted actually and pollutant emission data in the storage device is emptied, data erasure can be performed in a writing Identification (ID) mode, and if the erasure is not completed in the erasure process, a negative response is required to be fed back by 0x78 every 5 seconds until a positive response is obtained, which represents that the data erasure is completed.
As another possible implementation, if the data service mode selected by the user is storage capacity reading of the storage device, the terminal device may send a storage capacity reading message to the storage device by using the communication connection, so as to read the storage capacity of the storage device.
Specifically, the storage capacity reading message can be sent to the storage device by using the storage capacity reading corresponding data service mode 0x22 defined by the UDS protocol.
The storage device storage capacity includes a storage device total storage capacity and a storage device stored capacity, and thus, a user can obtain the storage device total storage capacity and the storage device stored capacity in the storage device, respectively.
As an example, the terminal device sends a total storage capacity read message to the storage device using the communication connection to read the total storage capacity of the storage device.
As another example, the terminal device sends a stored capacity read message to the storage device using the communication connection to read the storage device's stored capacity.
Since the storage device includes a plurality of storage areas, such as a regulation real-time data storage area and a regulation blind area data storage area, different DID can be utilized for different storage areas to distinguish.
In the case of performing data storage, the pollutant discharge data includes redundant data FF, and only valid data excluding the redundant data in the plurality of storage areas can be read.
Reference is made to the following table:
as yet another possible implementation, if the user-selected data service mode is storage device data export, the terminal device may send a data export message to the storage device using the communication connection to export the pollutant emission data stored in the storage device.
Specifically, the data service mode 0x23 corresponding to the data export of the storage device defined by the UDS protocol may be used to send a data export message to the storage device.
The specific messages involved in the data export message are shown below, including data service mode, session mode, secure access subfunction, address and length format, and supporting address fields.
As can be seen from the content included in the data export message, when the data export of the storage device corresponding to 0x23 is implemented, the data export of the storage device is supported after the security authentication is completed in the storage device data export session mode.
When the terminal device performs the 0x23 service, if the address and length format is not 0x44, data export is not supported. And setting fixed integral multiples of 1KB for reading each time the terminal equipment conducts data export, namely reading according to the storage format of pollutant emission data.
Specifically, the terminal device sends a data export message to the storage device by using the communication connection, reads the pollutant emission data stored in the storage device, and converts the format of the pollutant emission data into a display format so as to export the pollutant emission data stored in the storage device. The display format may be a hexadecimal ASCII code format.
As an example, when the contaminant discharge data stored in the storage device is read, each line of data is 1KB, and then the read contaminant discharge data is exported in hexadecimal ASCII code format and stored in the txt file specified by the terminal device.
For example, if the pollutant emission data stored in the read storage device is 23 23 00 08 01 02 03 04 05 06 07 08 FF and the total length of the data is 1KB, the data is exported and stored in one line in the txt file, and the carriage return line carrier is added at the end.
In the embodiment of the application, the pollutant emission data comprises redundant data and effective data, and only the effective data can be read, so that the data reading efficiency is improved, the data quantity of the data in the transmission process is reduced, and the data export efficiency is accelerated.
Specifically, the terminal device sends a data export message to the storage device by using a communication connection, reads the pollutant emission data stored in the storage device, deletes the redundant data so as to export valid data, that is, only converts the valid data when reading the pollutant emission data stored in the storage device, and clears the invalid data FF at the end of each pollutant emission data.
When the derived data is stored, format conversion can be performed on the data acquisition time in the process of storing the data, the separation Fu Kongge is supplemented after the data acquisition time after format conversion, pollutant emission data corresponding to the data acquisition time is added to the space of the separator, and the carriage return line carrier is finally supplemented.
For example, the data acquisition time is stored in 210608164450 format and is converted to display format "2021-06-08 16:44:50" when the data is exported.
In the embodiment of the present application, the terminal device may display an interface for processing pollutant emission data, and referring to fig. 2, a schematic diagram of a display interface of the terminal device provided in the embodiment of the present application is shown, where it can be seen from the figure that the display interface includes areas corresponding to 3 data service modes, which are a storage device data emptying area 210, a storage device storage capacity reading area 220, or a storage device data export area 230, respectively. Wherein the storage device data clear area 210 includes a clear regulation real-time data storage area 211 and a clear regulation blind area data storage area 212, and the storage device storage capacity reading area 220 includes a storage device total storage capacity reading area 221 and a storage device stored capacity reading area 222, that is, the storage device storage capacity can be displayed on the terminal device, and the situation that the storage device stores pollutant emission data can be intuitively presented to the user. The storage device data lead-out area 230 includes a lead-out total data area 231 and a lead-out valid data area 232.
The pollutant emission data processing method is applied to terminal equipment, communication connection with storage equipment for storing pollutant emission data is established, and in response to a data service mode selected by a user on the terminal equipment, the data service mode comprises storage equipment data emptying, storage equipment storage capacity reading or storage equipment data exporting, and the pollutant emission data is processed according to the corresponding data service mode. That is, according to the embodiment of the application, the terminal device can be directly connected with the storage device, the terminal device processes the pollutant emission data stored in the storage device according to the data service mode selected by the user on the terminal device, the storage card in the storage device is not required to be taken out, the pollutant emission data is processed by using the additional reading device, the pollutant emission data can be directly processed in real time by using the terminal device, and the requirement of the user on quick processing of the stored pollutant emission data can be met.
Based on the pollutant emission data processing method provided by the above embodiments, the embodiments of the present application further provide a pollutant emission data processing device, and the working principle thereof is described in detail below with reference to the accompanying drawings.
Referring to fig. 3, a block diagram of a pollutant emission data processing device according to an embodiment of the present application is provided.
Embodiments of the present application provide a pollutant emission data processing device 300, comprising:
an establishing unit 310 for establishing a communication connection with a storage device storing pollutant emission data;
a selection unit 320 for responding to a data service mode selected by a user on a terminal device, wherein the data service mode comprises storage device data emptying, storage device storage capacity reading or storage device data exporting;
and a processing unit 330, configured to process the pollutant emission data according to a corresponding data service mode.
Optionally, if the data service mode is storage device data emptying, the processing unit 330 is specifically configured to:
and sending a data emptying message to the storage device by utilizing the communication connection so as to empty pollutant emission data stored in the storage device.
Optionally, if the data service mode is storage capacity reading of the storage device, the processing unit 330 is specifically configured to:
and sending a storage capacity reading message to the storage device by utilizing the communication connection so as to read the storage capacity of the storage device.
Optionally, the storage device storage capacity comprises a storage device total storage capacity;
the processing unit 330 is specifically configured to:
and sending a total storage capacity reading message to the storage device by utilizing the communication connection so as to read the total storage capacity of the storage device.
Optionally, the storage device storage capacity comprises storage device already-stored capacity;
the processing unit 330 is specifically configured to:
and sending a stored capacity reading message to the storage device by utilizing the communication connection so as to read the stored capacity of the storage device.
Optionally, the method further comprises:
and the display unit is used for displaying the storage capacity of the storage device.
Optionally, if the data service mode is storage device data export, the processing unit 330 is specifically configured to:
and sending a data export message to the storage device by using the communication connection so as to export pollutant emission data stored in the storage device.
Optionally, the processing unit 330 is specifically configured to:
and sending a data export message to the storage device by utilizing the communication connection, reading pollutant emission data stored in the storage device, and converting the format of the pollutant emission data into a display format so as to export the pollutant emission data stored in the storage device.
Optionally, the pollutant emission data comprises redundant data and valid data;
the processing unit 330 is specifically configured to:
and sending a data export message to the storage device by using the communication connection, reading pollutant emission data stored in the storage device, and deleting the redundant data so as to export the effective data.
When introducing elements of various embodiments of the present application, the articles "a," "an," "the," and "said" are intended to mean that there are one or more of the elements. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements other than the listed elements.
It should be noted that, it will be understood by those skilled in the art that all or part of the above-mentioned method embodiments may be implemented by a computer program to instruct related hardware, where the program may be stored in a computer readable storage medium, and the program may include the above-mentioned method embodiments when executed. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random-access Memory (Random Access Memory, RAM), or the like.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points. The apparatus embodiments described above are merely illustrative, wherein the units and modules illustrated as separate components may or may not be physically separate. In addition, some or all of the units and modules can be selected according to actual needs to achieve the purpose of the embodiment scheme. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.
Claims (7)
1. A pollutant emission data processing method, characterized by being applied to a terminal device, the terminal device being installed with a vehicle pollutant emission standard client, comprising:
establishing a communication connection with a storage device storing pollutant emission data; the storage device comprises a regulation real-time data storage area and a regulation blind area data storage area; the pollutant emission data includes redundant data and valid data; storing the pollutant emission data in a unit of 1 kilobyte KB, and if the pollutant emission data is less than 1KB, filling redundant data until the data is 1KB;
responsive to a data service mode selected by a user on a terminal device, the data service mode including storage device data flushing, storage device storage capacity reading, or storage device data exporting;
processing the pollutant emission data according to the corresponding data service mode;
if the data service mode is storage device data derivation, the processing the pollutant emission data according to the corresponding data service mode includes:
the terminal device sends a data export message to the storage device by utilizing the communication connection so as to export pollutant emission data stored in the storage device;
the terminal device sending a data export message to the storage device using the communication connection to export the pollutant emission data stored in the storage device comprising:
the terminal equipment sends a data export message to the storage equipment by utilizing the communication connection, reads pollutant emission data stored in the storage equipment, and converts the format of the pollutant emission data into a display format when the reading length is 1KB each time so as to export the pollutant emission data stored in the storage equipment;
or, the terminal device sending a data export message to the storage device using the communication connection to export the pollutant emission data stored in the storage device, including:
the terminal equipment sends a data export message to the storage equipment by utilizing the communication connection, reads pollutant emission data stored in the storage equipment, and deletes the redundant data so as to export the effective data;
the data export message comprises a support address field, wherein the support address field is the rule real-time data storage area and the rule blind area data storage area.
2. The method of claim 1, wherein if the data service mode is storage device data empty, the processing the pollutant emission data according to the corresponding data service mode comprises:
and the terminal equipment sends a data emptying message to the storage equipment by utilizing the communication connection so as to empty pollutant emission data stored in the storage equipment.
3. The method of claim 1, wherein if the data service mode is a storage device storage capacity reading, the processing the pollutant emission data according to the corresponding data service mode comprises:
and the terminal equipment sends a storage capacity reading message to the storage equipment by utilizing the communication connection so as to read the storage capacity of the storage equipment.
4. A method according to claim 3, wherein the storage device storage capacity comprises a storage device total storage capacity;
the processing of the pollutant emission data according to the corresponding data service pattern comprises:
and the terminal equipment sends a total storage capacity reading message to the storage equipment by utilizing the communication connection so as to read the total storage capacity of the storage equipment.
5. A method according to claim 3, wherein the storage device storage capacity comprises storage device already stored capacity;
the processing of the pollutant emission data according to the corresponding data service pattern comprises:
the terminal device sends a stored capacity reading message to the storage device using the communication connection to read the stored capacity of the storage device.
6. The method according to any one of claims 3-5, further comprising:
and displaying the storage capacity of the storage device on the terminal device.
7. A pollutant emission data processing apparatus, comprising:
an establishing unit for establishing a communication connection with a storage device storing pollutant emission data; the storage device comprises a regulation real-time data storage area and a regulation blind area data storage area; the pollutant emission data includes redundant data and valid data; storing the pollutant emission data in a unit of 1 kilobyte KB, and if the pollutant emission data is less than 1KB, filling redundant data until the data is 1KB;
a selection unit for responding to a data service mode selected by a user on the terminal device, wherein the data service mode comprises storage device data emptying, storage device storage capacity reading or storage device data export; the terminal equipment is provided with a motor vehicle pollutant emission standard client;
the processing unit is used for processing the pollutant emission data according to the corresponding data service mode;
if the data service mode is storage device data export, the processing unit is specifically configured to:
transmitting a data export message to the storage device using the communication connection to export pollutant emission data stored in the storage device;
the processing unit is specifically configured to:
transmitting a data export message to the storage device by using the communication connection, reading pollutant emission data stored in the storage device, wherein the reading length is 1KB each time, and converting the format of the pollutant emission data into a display format so as to export the pollutant emission data stored in the storage device;
or, the processing unit is specifically configured to:
transmitting a data export message to the storage device by using the communication connection, reading pollutant emission data stored in the storage device, deleting the redundant data so as to export the effective data;
the data export message comprises a support address field, wherein the support address field is the rule real-time data storage area and the rule blind area data storage area.
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