CN108900470B - Method for interacting data between client and server in electric precipitation system - Google Patents

Method for interacting data between client and server in electric precipitation system Download PDF

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CN108900470B
CN108900470B CN201810551890.3A CN201810551890A CN108900470B CN 108900470 B CN108900470 B CN 108900470B CN 201810551890 A CN201810551890 A CN 201810551890A CN 108900470 B CN108900470 B CN 108900470B
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data
message
server
client
response
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CN108900470A (en
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李建阳
郑国强
钱云亮
庄玮峰
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Xiamen Longking Saving & Technology Co ltd
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Xiamen Longking Saving & Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B03C3/68—Control systems therefor

Abstract

The invention relates to a data interaction method between a client and a server in an electric precipitation system, wherein when the client communicates with the server, messages of various transmission data types adopt a uniform data format; the message of the transmission data type comprises one or more of a user operation message, a user response message, a disconnection test message, an alarm or error information message, a data closing message, a data request message, a data response message, a setting command message, a setting response message, a configuration operation message, a configuration response message, a historical data request message, a historical data response message, a data registration request message, an overhaul message, a successful confirmation message and a failed confirmation message. The message of each transmission data type adopts a uniform data format, and is suitable for data communication among the whole electric precipitation system and data interaction with other third party manufacturers, so that the communication of the whole system is simple, stable and reliable.

Description

Method for interacting data between client and server in electric precipitation system
Technical Field
The invention relates to the field of data interaction of an electric precipitation system, in particular to a method for data interaction between a client and a server in the electric precipitation system.
Background
The electric dust removal is a system for removing dust by using electric power, is one of the most effective environment-friendly devices for purifying dust-containing gas, and is widely applied to industries such as electric power, metallurgy, building materials, chemical engineering and the like. The control equipment that electric precipitation system relates to is many and miscellaneous, not only includes special high-voltage control equipment such as high frequency power supply, power frequency power supply, three-phase power supply and pulse power supply, still includes low-voltage equipment such as electromagnetism rapping control, heating, unload grey and other IO signal etc. the application scene of electric precipitation requires communication reliable and stable, but the data format that each manufacturer's of electric precipitation provided often is not standard communication format, leads to mutual interference and communication confusion easily like this, causes whole dust pelletizing system to make mistakes when serious.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for data interaction between a client and a server in an electric precipitation system.
In order to achieve the above objects and other related objects, the technical solution of the present invention is:
a data interaction method between a client and a server in an electric precipitation system is disclosed, wherein when the client communicates with the server, messages of various transmission data types adopt a uniform data format; the message of the transmission data type comprises one or more of a user operation message, a user response message, a disconnection test message, an alarm or error information message, a data closing message, a data request message, a data response message, a setting command message, a setting response message, a configuration operation message, a configuration response message, a historical data request message, a historical data response message, a data registration request message, an overhaul message, a successful confirmation message and a failed confirmation message.
Preferably, the flow of the communication between the client and the server in the unified data format includes a data request and response flow, specifically: the client sends the data request message to the server; the server machine returns the data response message to the client machine for interaction.
Preferably, the communication process between the client and the server using the unified data format includes a data registration and response process, specifically: the client sends the data registration request message to the server; the server machine returns the data response message to the client machine for registration; and after the registration is successful, the server sends the user response message to the client according to the corresponding data change so as to send real-time data.
Preferably, the process of communication between the client and the server in the unified data format includes a data priority response process, specifically: and for the data with high alarm and priority requirements, the server sends the alarm or error information message to the client to respond in real time with priority.
Preferably, the flow packet data setting, responding and reconfirming flow of the unified data format communication between the client and the server specifically includes: the client sends the setting command message to the server to request setting data; the server sends the setting response message to the client; if the setting is successful, the client sends the successful confirmation message to the server, otherwise, the client sends the failure confirmation message to the server.
Preferably, the data format includes a header area, a type area, a data area, and a trailer area.
Preferably, the header area includes a packet header, a transmission data type, a total data length of the packet, and a system number.
Preferably, the type area includes a priority value, a main type total number, a subtype total number and a total data length.
Preferably, the tail area includes a check type, a check value, and a message tail.
Preferably, the check type includes no check, a checksum or a CRC check.
The invention has the following beneficial effects:
the invention relates to a data interaction method between a client and a server in an electric precipitation system, wherein when the client communicates with the server, messages of various transmission data types adopt a uniform data format, so that the method is suitable for data communication between the whole electric precipitation system and data interaction with other third-party manufacturers;
the specific application scene of the invention comprises reading and setting of high-low voltage real-time parameters, dust removal parameter alarm request and response, historical data request and response, curve data exchange, field device configuration functions and the like, and related processes comprise a data request and response process, a data registration and response process, a data priority response process, a data setting, response and reconfirmation process and other processes.
The present invention will be described in further detail with reference to the accompanying drawings and embodiments, but the method for data interaction between a client and a server in an electric precipitation system according to the present invention is not limited to the embodiments.
Drawings
FIG. 1 is a data request and response flow diagram of an embodiment of the present invention;
FIG. 2 is a data registration and response flow diagram of an embodiment of the present invention;
FIG. 3 is a flow chart of a data priority response of an embodiment of the present invention;
fig. 4 is a flow chart of data setup, response and reconfirmation according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention relates to a data interaction method between a client and a server in an electric precipitation system.
Referring to table 1, the transmission data type using the unified data format includes one or more of a user operation, a user response, a disconnection test, an error message, a data shutdown, a data request, a data response, a setting command, a setting response, a configuration operation, a configuration response, a historical data request, a historical data response, a data registration request, a maintenance message, a success confirmation, and a failure confirmation.
TABLE 1
Data transmission type value Definition of
1 User operation message
2 User response message
3 Disconnection test message
4 Alarm or error message
5 Data close message
6 Data request message
7 Data response message
8 Setting command message
9 Setting response message
10 Configuring operation messages
11 Configuration response message
12 Historical data request message
13 Historical data response message
14 Other messages
15 Data registration request message
16 Maintenance message
17 Successful acknowledgement message
18 Failure confirmation message
Referring to table 2, the data format includes a header area, a type area, a data area, and a trailer area. The header area comprises a message header, a transmission data type, a message total data length and a system identifier (the system identifier is used for uniquely identifying one device); the type area comprises a priority value, a main type, the total number of the main types, a subtype, the total number of the subtypes and total data length; the data area is actually transmitted data content; the tail area comprises a check type, a check value and a message tail.
As can be seen from table 2, the unified data format includes a header area, a type area, a data area, and a trailer area, the header area and the trailer area are relatively unchanged, and the type area and the data area dynamically change according to the function and the device type, so that the real-time data, the alarm data, the curve data, and the device configuration function can be dynamically adapted.
In table 2, since the main type may include a plurality of main types and the sub-type under the main type may include a plurality of sub-types, the actual data may include actual data 11, actual data 12, actual data 21, actual data 22 or more, wherein 11, 12, 21, and 22 are only for explaining that the data belong to different types of data and do not represent the actual main type (sub-type).
TABLE 2
Figure BDA0001680458470000041
Figure BDA0001680458470000051
Referring to table 3, the priority values include a default priority value, a high-voltage data priority value, a real-time data priority value, an alarm data priority value, a historical data priority value, a volt-ampere characteristic curve priority value, or an equipment configuration priority value.
TABLE 3
Priority value Definition of
0 Default priority
101 High voltage data priority
102 Real-time data priority
103 Alarm data priority
104 Historical data priority
105 VI Curve priority
106 Device configuration priority
107 Other priority
108 Undefined, reserved for later use
109 Undefined, reserved for later use
110 Undefined, reserved for later use
Referring to table 4, the main types include a high frequency power supply, a three-phase power supply, a power frequency power supply, a pulse power supply, a DDPX system, a low voltage device centralized control system, an analog quantity data reading device (RM2010), a switching quantity data reading device (RM2020), a high voltage alarm record, a low voltage alarm record, a user operation record, a real-time curve, a history curve, a VI curve, a waveform curve, a device configuration, and/or a user management.
TABLE 4
Figure BDA0001680458470000052
Figure BDA0001680458470000061
Referring to Table 5, the sub-types include sub-type none (i.e., no sub-type), electromagnetic rapping, side rapping, ash discharge, heating, analog quantity signal, switching quantity signal, power-off rapping function, and/or energy-saving control function.
TABLE 5
Word type value Definition of
0 Subtype No
61 Electromagnetic rapping
62 Side rapping
63 Discharging ash
64 Heating of
65 Analog quantity signal
66 Switching value signal
67 Power-off rapping function
68 Energy saving control function
69 Undefined, reserved for later use
70 Undefined, reserved for later use
Referring to table 6, the check types include a non-check, a check sum, and a CRC check.
TABLE 6
Figure BDA0001680458470000062
Figure BDA0001680458470000071
Based on the unified data format, the embodiments of the present invention will respectively describe "data request and response flow", "data registration and response flow", "data priority response flow", and "data setting, response, and reconfirmation flow".
(1) Data request and response flow
Referring to fig. 1, a method of sending a request by a client and then responding by a server is adopted for historical data, curves and partial real-time data according to priority and importance of device data.
The data format of the client request voltammograms is shown in table 7 below.
TABLE 7
Figure BDA0001680458470000072
The data format of the response iv characteristic after the server communicating with the client receives the request is shown in table 8 below.
TABLE 8
Figure BDA0001680458470000073
(2) Data registration and response flow
Referring to fig. 2, for important real-time data, a registration request is sent by a client, and then a response is sent by a server. The registration is carried out once and is effective for a long time, and after the registration is successful, the server dynamically sends the data to the client according to the corresponding data change.
The data format for the client registration request high frequency power supply operating parameters is shown in table 9 below.
TABLE 9
Figure BDA0001680458470000074
Figure BDA0001680458470000081
The data format of the server communicating with the client in response to the high frequency power operation parameter after receiving the registration request is shown in table 10 below.
Watch 10
Figure BDA0001680458470000082
(3) Data priority response flow
Referring to fig. 3, for data with high alarm and priority requirements, the server directly gives priority to response in real time.
The data format of the server for directly responding to the pulse power state alarm according to the set priority value is shown in the following table 11.
TABLE 11
Figure BDA0001680458470000083
(4) Data setup, response and reconfirmation flow
Referring to fig. 4, when setting data, the client sends the setting parameters (1), then the server responds (2), and after the success is judged, the server sends the confirmation (3).
The data format for the client setting the three-phase power supply current limits and operating mode parameters is shown in table 12 below.
TABLE 12
Figure BDA0001680458470000084
Figure BDA0001680458470000091
The data format in which the server communicating with the client sets specific parameters to the three-phase power supply device after receiving the setting request and then transmits a response message to the client is shown in table 13 below.
Watch 13
Figure BDA0001680458470000092
The data format for the client to send the confirmation message to the server again to set the parameters is shown in table 14 below.
TABLE 14
Figure BDA0001680458470000093
The above-described embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and variations, modifications, and the like of the above-described embodiments are possible within the scope of the claims of the present invention as long as they are in accordance with the technical spirit of the present invention.

Claims (6)

1. A data interaction method between a client and a server in an electric precipitation system is characterized in that when the client communicates with the server, messages of various transmission data types adopt a uniform data format; the message of the transmission data type comprises one or more of a user operation message, a user response message, a disconnection test message, an alarm or error information message, a data closing message, a data request message, a data response message, a setting command message, a setting response message, a configuration operation message, a configuration response message, a historical data request message, a historical data response message, a data registration request message, an overhaul message, a successful confirmation message and a failed confirmation message;
the data format comprises a head area, a type area, a data area and a tail area;
the header area comprises a message header, a transmission data type, a message total data length and a system number;
the type area comprises a priority value, a main type, the total number of the main types, a subtype, the total number of the subtypes and total data length;
the tail area comprises a check type, a check value and a message tail;
the priority value comprises one or more of a default priority value, a high-voltage data priority value, a real-time data priority value, an alarm data priority value, a historical data priority value, a volt-ampere characteristic curve priority value and an equipment configuration priority value;
the main types comprise one or more of a high-frequency power supply, a three-phase power supply, a power frequency power supply, a pulse power supply, a DDPX system, a low-voltage equipment centralized control system, analog quantity data reading equipment, switching quantity data reading equipment, high-voltage alarm records, low-voltage alarm records, user operation records, real-time curves, historical curves, VI curves, waveform curves, equipment configuration and user management;
the sub-types include one or more of a sub-type none, an electromagnetic rapping, a side rapping, a dust discharge, a heating, an analog quantity signal, a switching quantity signal, a power-off rapping function, and an energy-saving control function.
2. The method for interacting data between the client and the server in the electric precipitation system according to claim 1, wherein the process of communication between the client and the server in the uniform data format includes a data request and response process, and specifically comprises: the client sends the data request message to the server; the server machine returns the data response message to the client machine for interaction.
3. The method for interacting data between the client and the server in the electric precipitation system according to claim 1, wherein the communication process between the client and the server using the uniform data format includes a data registration and response process, and specifically comprises: the client sends the data registration request message to the server; the server machine returns the data response message to the client machine for registration; and after the registration is successful, the server sends the user response message to the client according to the corresponding data change so as to send real-time data.
4. The method for interacting data between the client and the server in the electric precipitation system according to claim 1, wherein the process of communication between the client and the server in the uniform data format includes a data priority response process, specifically: and for the data with high alarm and priority requirements, the server sends the alarm or error information message to the client to respond in real time with priority.
5. The method for interacting data between the client and the server in the electric precipitation system according to claim 1, wherein the client and the server use a flow packet data setting, responding and reconfirming flow of unified data format communication, specifically: the client sends the setting command message to the server to request setting data; the server sends the setting response message to the client; if the setting is successful, the client sends the successful confirmation message to the server, otherwise, the client sends the failure confirmation message to the server.
6. The method for data interaction between a client and a server in an electric precipitation system according to claim 1, wherein the check type comprises no check, check sum or CRC check.
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EP2587725A1 (en) * 2011-10-28 2013-05-01 Yokogawa Electric Corporation Network management interface for heterogeneous data networks and system using the same
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