CN109698838A - A kind of terminal access unit - Google Patents
A kind of terminal access unit Download PDFInfo
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- CN109698838A CN109698838A CN201910103543.9A CN201910103543A CN109698838A CN 109698838 A CN109698838 A CN 109698838A CN 201910103543 A CN201910103543 A CN 201910103543A CN 109698838 A CN109698838 A CN 109698838A
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- terminal access
- access unit
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- 238000012544 monitoring process Methods 0.000 claims abstract description 34
- 238000012806 monitoring device Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 10
- 238000013507 mapping Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 210000000352 storage cell Anatomy 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
-
- 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
- H04L69/08—Protocols for interworking; Protocol conversion
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
This application discloses a kind of terminal access units, the terminal access unit and at least one enviromental monitoring equipment and server pass through network connection, the terminal access unit includes: cache module, the instruction of the data and/or host computer that send for cache environment monitoring device；Messaging interface, for receiving message from server or sending message to server.According to the technical solution of the application, the construction cost of the data collection and transfering system of enviromental monitoring equipment can reduce；Terminal access unit can be safeguarded online by server, it is simple and convenient, maintenance workload and cost can be saved.
Description
Technical field
The present invention relates to environment monitoring field more particularly to a kind of terminal access units.
Background technique
In environment monitoring field, according to Environmental Protection in China professional standard, " (monitoring) system is monitored online in 212 pollutant of HJ/T
Data transmission standard " and " pollution sources automatic monitoring on line (monitoring) data acquisition transmission instrument technical requirements ", current environmental protection exists
The data transmission acquisition scheme of line monitoring device is as shown in Figure 1, monitor the operation data of environmental protection equipment.It is real according to the sector standard
The technical solution applied needs to acquire transmission instrument in each monitoring point installation data, and every number of units is expensive according to acquisition transmission instrument,
And since monitoring station is more, the quantity of required data acquisition transmission instrument also can be bigger, and cost is very high.
In traditional technology, in order to solve the problems, such as that technical solution shown in Fig. 1 is with high costs, mainly by being passed to acquisition data
Defeated instrument improves, make it have more channels and and use more transport protocols so that an acquisition data
Transmission instrument can dock the monitoring device of multiple same or different models, reduce the total of environment protection digital monitoring to a certain extent
Cost.
Above-mentioned scheme still needs by acquisition data transmission instrument, and the scalability of entire scheme is limited to acquisition number
According to the limitation of the transport protocol in the channel and its support of transmission instrument, and the higher cost of manual maintenance, thus can not be from basic
The cost of upper drop monitoring environment protection digital.
Summary of the invention
In view of this, present applicant proposes a kind of terminal access units, with the cost of economical environment-protective data monitoring.
According to the one aspect of the application, propose a kind of terminal access unit, the terminal access unit and at least one
By network connection, the terminal access unit includes: for enviromental monitoring equipment and server
Cache module, the instruction of the data and/or host computer that are sent for cache environment monitoring device；
Messaging interface, for receiving message from server or sending message to server.
Preferably, the terminal access unit further includes protocol process module, for realizing institute according to agreement mapped file
State the conversion between agreement used in agreement used in enviromental monitoring equipment and the terminal access unit.
Preferably, the terminal access unit is connect by serial ports with enviromental monitoring equipment.
Preferably, the serial ports is RS232 interface or RS485 interface.
Preferably, the messaging interface, the finger of the data and/or host computer that are sent for transparent transmission enviromental monitoring equipment
It enables.
Preferably, protocol process module, according to agreement used in the agreement mapped file realization enviromental monitoring equipment
With the conversion between agreement used in the terminal access unit, by different agreement transmitted by each enviromental monitoring equipment
Under data be unified for the data under agreement used in terminal access unit.
Preferably, the messaging interface is also used to disappear with message subscribing manner from message queue module acquisition
Breath.
Preferably, the messaging interface is also used to send data to the message queue module according to message subject
Message.
According to the technical solution of the application, can reduce the construction of the data collection and transfering system of enviromental monitoring equipment at
This；Terminal access unit structure used by this programme is simple, low in cost, and can by server with online mode to end
End access unit is safeguarded, simple and convenient, can save maintenance workload and cost；The technical solution of the application is easy to expand
Exhibition, for new Data Transport Protocol, it is only necessary in terminal access unit configuration protocol mapped file, be not necessarily to programing work, just
It can access new monitoring device.
Other features and advantage are by the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application
Mode and its explanation are applied for explaining the application.In the accompanying drawings:
Fig. 1 is the schematic diagram of environment monitoring data acquisition transmission in traditional technology；
Fig. 2 is the schematic diagram of environment monitoring data acquisition provided by the present application transmission；
Fig. 3 is server architecture schematic diagram provided by the present application；
Fig. 4 is terminal access unit schematic diagram provided by the present application.
Specific embodiment
It should be noted that in the absence of conflict, the spy in embodiment and each embodiment in the application
Sign can be combined with each other.
The application is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
In order to overcome the defect of traditional technology, the embodiment of the present application provides environment monitoring data acquisition as shown in Figure 2
Expensive acquisition data transmission instrument is omitted in Transmission system, and acquisition number is realized by the system architecture of server/customer end
According to transmission.As shown in Fig. 2, environment monitoring data acquisition Transmission system provided by the embodiments of the present application includes terminal access unit
And server.Terminal access unit can be communicated by serial ports with monitoring device, such as RS232 or RS485, can be by data
It is sent to server, host computer can operate data from server, or directly be transmitted data to by server
Host computer.
Terminal access unit connects at least one on-line monitoring equipment, such as enviromental monitoring equipment, and connection type is RS232
Or RS485.RS232 or RS485 signal is converted into network signal, is sent to server through network.Terminal access unit can be with
With two kinds of operating modes of transparent transmission mode and protocol conversion mode.
It, can be in protocol package on the server in the case where the data format of terminal access unit transmitting-receiving has determined
Realize the conversion between monitoring device data format and transmitted data on network format.If the huge number of monitoring device, and
Server does not realize the protocol analysis function of all monitoring device types, can realize that agreement turns in terminal access unit
It changes, is transmitted data on network format by monitoring device Data Format Transform.Terminal access unit uses chip microcontroller.Carry out
When protocol conversion, upstream data and downlink data can have different formats, can be by agreement mapping definition file come real
Data transmission between existing terminal access unit and server.Agreement mapping definition file on terminal access unit can be by engineering
Teacher is write direct by the interface of terminal access unit, is either downloaded from server or monitoring device provider website, such as
Agreement maps dynamic base.In general, server can configure terminal access unit.
Transparent transmission mode is fairly simple, does not do any protocol processes, directly the data of forwarding monitoring device are to server.It can
Selection of land, if terminal access unit also can have dry passage, so as to be connect with several monitoring devices by serial ports.
Terminal access unit may include cache module, protocol process module and messaging interface, and cache module is used
In data cached, for preventing data transmission fails, can be deleted after transmission success data cached；Protocol process module is used
In realizing protocol conversion, the data under different agreement transmitted by each enviromental monitoring equipment are unified for terminal access unit
Data under used agreement；Messaging interface, for being communicated by the mode of messaging with server, such as
The message of server transmission is received by way of subscription, and data-message is sent to server according to message subject.
Server may include that message queue module, data processing module, memory module, data summarization module, data are defeated
Module and system setup module out.
Message queue module, for providing the messaging service and Message Queuing Services of theme subscribing manner.Terminal access is single
Specific subject of the member into message queue module sends data-message, and data-message is buffered in message queue after reaching.Message
Queue module has caching, message to be received and dispatched is provided to interim store function, again by transmission after data are sent successfully
Data are deleted, and prevent data transmission from unsuccessfully losing data.
Data processing unit is handled for taking out message from message queue, such as takes out data packet from message queue,
The terminal data transmission protocol number for reading packet header parses data according to the protocol realization program in this number invocation protocol packet
Packet, and store data into data storage cell；Protocol package, Data Transport Protocol and data center for realizing terminal device
Data Transport Protocol, for data processing unit after receiving message, according to the packet header parameter of terminal access unit data packet, really
Surely data packet is parsed using the Data Transport Protocol of which kind of terminal access unit.It is real for the Data Transport Protocol of data center
Existing national sector standard Data Transport Protocol " (monitoring) system data transmission standard is monitored online in pollution sources " (HJ/T212) regulation
Data Transport Protocol.The agreement in protocol development interface exploitation extension protocol packet can be used；If terminal access unit is sent out
The data brought are the data of transparent transmission, and the Data Transport Protocol of use is customized agreement, and protocol development can be used and connect
Mouth carries out custom protocol exploitation；If the Data Transport Protocol that data center's host computer uses is customized agreement, can also
To use protocol development interface to carry out custom protocol exploitation；The logic that data processing unit handles data comes from protocol package.Number
According to processing unit using the agreement in protocol package, parsing is formatted to the message received, decomposes the logic word in outbound message
Section, can also do the conversion and processing operation of some data later, and finally saves to enter by the data that dissection process is completed and deposit
Store up module.
Memory module, for storing data；Database technology can be used in memory module, completes to data processing module processing
Data carry out persistent storage, data processing module after data are parsed according to specific protocol, be stored in memory module in
Database.Memory module can require the data for storing nearest a period of time (to can be some months, 1 year or two according to host computer
Year or longer time).
System setup module, with the parameter and data summarization parameter of patterned interface setting equipment.Device parameter includes
The information of device numbering and online website；Data summarization parameter is used to unified standard or summarizes the data of all kinds of storages.These
Parameter includes but is not limited to: sum time interval (per how long a real time data is shown), collecting index (may include but not
Be limited to flow, COD, ammonia nitrogen etc.), summarize data class (may include but be not limited to minute data, hour data, day data etc.),
Statistical value type (may include but be not limited to maximum value, minimum value, average value etc.), exceeded threshold value (the exceeded threshold value of each index,
When data exceed threshold value, it is believed that measurement data is exceeded, will trigger exceeded alarm) etc..
Data summarization module, for the data received to be summarized according to the parameter execution that summarizes of setting, data summarization algorithm
In accordance with concerned countries or professional standard, including " (monitoring) system data transmission standard is monitored online in pollution sources " (HJ/T212),
Personalized Data Transport Protocol can be defined by protocol development interface, carried out at data according to requirement of the host computer to data
Reason and collect statistics are simultaneously sent to host computer.
Data summarization algorithm is as follows:
When sum time interval reaches, the latest data of each collecting index in data storage cell is inquired, generating should
The real time data at moment；
It in real time data, according to the value of each collecting index, is compared with the exceeded threshold value of this index, beyond super
The data of mark threshold value are marked as exceeded, and exceeded alarm of setting out；
It is arranged according to the time for summarizing data class (minute data, hour data, day data etc.), when reaching these settings
Time point when, summarize the data of the data class.Summarize real time data in the specified minutes section of minute data statistics,
It counts to obtain maximum value, minimum value, average value etc. according to the statistical value type of setting；Hour data statistics specified time hour
Summarize real time data in section, executes statistics according to the statistical value type of setting and obtain maximum value, minimum value, average value etc.；It
Summarize real time data in a data statistics specified period, executes statistics according to the statistical value type of setting and obtain maximum
Value, minimum value, average value etc.；Data summarization module generates data and is stored in memory module, when summarizing data and being stored in for the first time, data note
Record is marked as " not sent " state, after the data record summarized is sent to host computer by data outputting module, to the data
Record does " transmission " label.When the network connection of data outputting module and host computer is disconnected because of accident, data processing mould
Block and memory module continue to and store the data of terminal access unit transmission, will be automatic after network connection restores again
It is not sent for sending label in data storage cell " data host computer is recorded, can be avoided loss of data and again in this way
It is multiple.It should be noted that the host computer in the embodiment of the present application includes the equipment in data center.
Correspondingly, this application provides terminal access units, as shown in figure 4, the terminal access unit includes: caching mould
Block, protocol process module and messaging interface.Cache module, for the data that cache environment monitoring device is sent, and/or
By the instruction of host computer.Cache module for preventing data transmission fails, can be deleted after transmission success for data cached
Except data cached.Protocol process module, protocol process module are realized for realizing protocol conversion, such as according to agreement mapped file
Conversion between agreement used in agreement used in the enviromental monitoring equipment and the terminal access unit；Agreement mapping
It may include upstream message mapping definition and downstream message mapping definition in file, so as to realize uplink and downlink message
Protocol conversion；User oneself can write agreement mapped file, be then copied in terminal access unit；It can also be by online
The mode of update downloads to agreement mapped file in terminal access unit, such as writes agreement by the interface that server provides
Mapped file and download terminal access unit；The terminal access unit is sent by messaging service for agreement mapped file to correspond to
Theme on；Terminal access unit obtains agreement mapped file by way of subscribing to messaging service theme.Information receiving and transmitting mould
Block is led to for receiving message from server or sending message to server by the mode and server of messaging
Believe, such as receive the message of server transmission by way of subscription, and data are sent to server according to message subject and are disappeared
Breath；Messaging interface, can be with the instruction for the data and/or host computer that transparent transmission enviromental monitoring equipment is sent, or sends and carry out
Data or instruction after agreement mapping.Terminal access unit can be with transparent data and/or instruction, after can also carrying out protocol conversion
Data and/or instruction are transmitted again.Preferably, messaging interface with message subscribing manner from the server obtain message, and/
Or data-message is sent to the server according to message subject.
In the embodiment of the present application, network can be cable network or wireless network, and cable network can be Ethernet, nothing
Gauze can be WLAN, RoLA network, blueteeth network, 3G/4G/5G network and NBIoT internet of things.
The foregoing is merely the better embodiments of the application, all the application's not to limit the application
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.
Claims (8)
1. a kind of terminal access unit, which is characterized in that the terminal access unit and at least one enviromental monitoring equipment and service
By being connected to the network, the terminal access unit includes: device
Cache module, the instruction of the data and/or host computer that are sent for cache environment monitoring device；
Messaging interface, for receiving message from server or sending message to server.
2. terminal access unit according to claim 1, which is characterized in that the terminal access unit further includes at agreement
Module is managed, for agreement and the terminal access unit according to used in the agreement mapped file realization enviromental monitoring equipment
Conversion between used agreement.
3. terminal access unit according to claim 1, which is characterized in that the terminal access unit passes through serial ports and ring
The connection of border monitoring device.
4. terminal access unit according to claim 3, which is characterized in that the serial ports is RS232 interface or RS485
Interface.
5. terminal access unit according to claim 1, which is characterized in that the messaging interface is used for transparent transmission ring
The instruction of data and/or host computer that border monitoring device is sent.
6. terminal access unit according to claim 2, which is characterized in that protocol process module maps text according to agreement
Part realizes the conversion between agreement used in agreement used in the enviromental monitoring equipment and the terminal access unit, with
Data under different agreement transmitted by each enviromental monitoring equipment are unified under agreement used in terminal access unit
Data.
7. terminal access unit according to claim 1, which is characterized in that the messaging interface is also used to disappear
It ceases subscribing manner and obtains message from the message queue module.
8. terminal access unit according to claim 1, which is characterized in that the messaging interface, be also used to according to
Message subject sends data-message to the message queue module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103543.9A CN109698838A (en) | 2019-02-01 | 2019-02-01 | A kind of terminal access unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910103543.9A CN109698838A (en) | 2019-02-01 | 2019-02-01 | A kind of terminal access unit |
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| CN109698838A true CN109698838A (en) | 2019-04-30 |
Family
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| CN201910103543.9A Pending CN109698838A (en) | 2019-02-01 | 2019-02-01 | A kind of terminal access unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110888354A (en) * | 2019-11-21 | 2020-03-17 | 深圳赛动生物自动化有限公司 | Method and device for realizing automatic identification of access equipment, computer equipment and medium |
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