CN210924880U - Network smart electric meter data acquisition system - Google Patents
Network smart electric meter data acquisition system Download PDFInfo
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- CN210924880U CN210924880U CN201921656254.3U CN201921656254U CN210924880U CN 210924880 U CN210924880 U CN 210924880U CN 201921656254 U CN201921656254 U CN 201921656254U CN 210924880 U CN210924880 U CN 210924880U
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Abstract
The utility model relates to a network wisdom ammeter data acquisition system, including terminal platform (1), backbone network switch (2), data acquisition equipment (3), site instrument (4) and remote user (5), terminal platform (1) is connected with backbone network switch (2), backbone network switch (2) is connected with remote user (5) and data acquisition equipment (3) respectively, site instrument (4) and data acquisition equipment (2) all are equipped with wireless transmission module respectively, site instrument (4) and data acquisition equipment (3) and other site instrument (4) wireless connection in the wireless transmission within range constitute wireless ad hoc network. Compared with the prior art, the utility model has the advantages of monitoring range is wide, transmission speed is fast and the fault tolerance is good.
Description
Technical Field
The utility model belongs to the technical field of industrial production and data acquisition and specifically relates to a network wisdom ammeter data acquisition system is related to.
Background
With the development of the internet of things technology and the informatization technology, the measuring instrument industry gradually enters a new intelligent era. Under the initiative of the Chinese intelligent manufacturing 2025 planning, the intelligent metering instrument will meet a new stage of high-speed development. The network smart meter is an intelligent terminal of a smart grid, has a plurality of data transmission and communication functions in order to adapt to the use of the smart grid and new energy except for the measurement function of basic electricity consumption of the traditional electric energy meter, and has the problem of compatibility and integrity data statistics of different brands of electric meters in the end use process due to different meter shapes and systems of different electric meter manufacturers.
The network smart electric meter generally supports a universal Modbus-RTU protocol, a solution is also provided based on the prior art under the condition, Chinese patent CN205375816U provides a universal network smart electric meter data acquisition device based on the Modbus-RTU protocol, the device comprises a terminal platform, the terminal platform is connected with a backbone network switch, the backbone network switch is connected with data acquisition equipment and a remote user, the data acquisition equipment collects data to the data acquisition equipment after being connected through a standard RS485 communication interface, so that the network smart electric meter interacts with a data server in real time, the data acquisition equipment counts the data transmitted by the smart electric meter 24 hours all day, the terminal platform can know the energy consumption condition of the tested equipment in real time, and can adjust a production plan in time, save electric power and reduce production cost.
However, the patent has the following three problems:
firstly, the patent adopts a standard RS485 communication interface for connection between the data acquisition equipment and the network intelligent ammeter, and the connection mode belongs to wired connection, so that the anti-interference capability is poor, the response speed is slow and the precision is poor;
secondly, the patent adopts a point-to-multipoint master control structure when acquiring network smart meter data, namely, one data acquisition device is connected with each network smart meter in a one-to-one manner, so that the difficulty of circuit design and wiring is high, the larger the transmission distance between the network smart meters and the data acquisition device is, the longer the transmission line is, the cost and the failure rate are increased, and the distance of wired transmission is limited;
and thirdly, the adaptability of the wired transmission line to severe environments is poor, the fault position cannot be quickly judged when the transmission line between the network smart electric meter and the data acquisition equipment breaks down, and the maintenance difficulty and the cost are high.
Disclosure of Invention
The utility model aims at providing a network wisdom ammeter data acquisition system in order to overcome the defect that above-mentioned prior art exists, field instrument and data acquisition equipment, relay node and other field instruments in this system and through wireless connection, enlarged field instrument's transmission range, wireless connection has also reduced the system layout and has maintained the degree of difficulty, has improved system transmission speed, precision and fault-tolerant ability.
The purpose of the utility model can be realized through the following technical scheme:
the network smart electric meter data acquisition system is characterized in that the field instrument and the data acquisition equipment are respectively provided with a wireless transmission module, and the field instrument is wirelessly connected with the data acquisition equipment and other field instruments in a wireless transmission range to form a wireless ad hoc network.
Preferably, the data acquisition device is provided in plurality.
Preferably, the system further comprises one or more relay devices.
Preferably, the relay device is provided with a wireless transmission module, and is in wireless connection with the data acquisition device and the field instrument within a wireless transmission range, and the data acquisition device is in wireless connection with at least one field instrument or the relay device.
Preferably, the wireless connection adopts a Modbus-RTU communication protocol.
Preferably, the wireless transmission module adopts a DTD433 wireless data transmission module.
Preferably, the terminal platform comprises a data statistics platform and a data display platform.
Preferably, the field instrument comprises a network smart meter.
Compared with the prior art, the utility model discloses have with following beneficial effect:
(1) the utility model discloses the wireless ad hoc network who constructs adopts the main control structure of multiple spot to multiple spot, establishes one or more data acquisition equipment and repeater promptly, and site instrument and data acquisition equipment, repeater and other site instruments wireless connection can freely set up the position of data acquisition equipment and repeater, and the transmission distance greatly increased between site instrument and the data acquisition equipment, and the quantity and the distribution range of the site instrument that the system can monitor all increase;
(2) the utility model adopts a wireless transmission mode between the field instrument and other field instruments and data acquisition equipment, which is different from a wired connection mode, the wireless connection can adapt to severe environment, the arrangement difficulty is low, the number of the monitored field instruments can be increased or decreased at any time, and the DTD433 wireless communication serial port based on Modbus-RTU communication protocol is adopted, so that the anti-interference capability is strong and the transmission precision is high;
(3) the utility model discloses one or more data acquisition equipment and relay equipment have been set up, every field instrument can with relay equipment, data acquisition equipment and other field instrument are connected, can not make the unable transmission instrument data of certain field instrument and the information island appears when certain equipment breaks down in wireless ad hoc network, therefore the system has fault-tolerant function, and simultaneously, when data acquisition equipment or field instrument transmission trouble appear, the problem that the degree of difficulty of having avoided wired connection mode troubleshooting trouble is big, adopt wireless transmission then can find the fault location fast, and the cost of maintenance is low.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
The reference numbers in the figures illustrate:
1. the system comprises a terminal platform, 2, a backbone network switch, 3, data acquisition equipment, 4, a field instrument, 5, a remote user and 6, relay equipment.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the present application provides a network smart meter data acquisition system, which includes a terminal platform 1, a backbone network switch 2, a data acquisition device 3, a plurality of field instruments 4, a remote user 5, and a relay device 6. The terminal platform 1 is connected with a backbone network switch 2, and the backbone network switch 2 is respectively connected with a remote user 5 and a data acquisition device 3. The data acquisition equipment 3 and the relay equipment 6 are one or more, and the relay equipment 6, the field instrument 4 and the data acquisition equipment 3 are respectively provided with a wireless transmission module. The field instrument 4 is wirelessly connected with the data acquisition equipment 3 and other field instruments 4 in a wireless transmission range to form a wireless ad hoc network.
The remote user 5 is connected with the backbone network switch 2 through the internet and can inquire the instrument data of the field instrument 4.
The number and the positions of the data acquisition devices 3 and the relay devices 6 are freely set, each data acquisition device 3 is connected with at least one field instrument 4 or the relay device 6, and the relay device 6 is used for forwarding instrument data of the field instrument 4, so that the transmission distance of the field instrument 4 is further increased.
The field instrument 4 transmits instrument data to the data acquisition equipment 3, the field instrument 4 or the relay equipment 6 connected with the field instrument, when the data acquisition equipment 3 is provided with a plurality of data acquisition equipment, the data transmission of the system cannot be influenced after one data acquisition equipment 3 fails, an information isolated island of the field instrument 4 is not easily caused when a certain field instrument 4 or the relay equipment 6 fails, and the wireless transmission route of the whole wireless ad hoc network is unobstructed.
When the data acquisition device 3, the field instrument 4 and the relay device 6 receive the instrument data, a reception completion instruction is transmitted back, and the field instrument 4 and the relay device 6 which transmit the instrument data do not repeatedly transmit the instrument data any more.
The wireless transmission module adopts a DTD433 wireless data transmission module, the DTD433 wireless data transmission module adopts a Modbus-RTU protocol, and a wireless serial port communication mode is adopted.
In this embodiment, the terminal platform 1 includes a data statistics platform and a data display platform, and the field instrument 4 is a network smart meter.
The wireless ad hoc network constructed by the method adopts a multipoint-to-multipoint master control structure, namely one or more data acquisition devices and relay devices are established, the transmission distance between the field instrument and the data acquisition devices is greatly increased, meanwhile, the system can adapt to severe environments due to the wireless connection mode, the difficulty in line arrangement is low, the number of the monitored field instruments can be increased or decreased at any time, a DTD433 wireless communication serial port based on a Modbus-RTU communication protocol is adopted, the anti-interference capacity is high, the transmission precision is high, when a certain device in the wireless ad hoc network fails, information islands of the certain field instrument cannot occur, the system has a fault-tolerant function, and when the data acquisition devices or the field instruments fail, the difficulty in troubleshooting by the wired connection mode is high, and the wireless transmission can quickly find out fault positions, and the maintenance cost is low.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The utility model provides a network wisdom ammeter data acquisition system, includes terminal platform (1), backbone network switch (2), data acquisition equipment (3), field instrument (4) and remote user (5), terminal platform (1) is connected with backbone network switch (2), backbone network switch (2) are connected with remote user (5) and data acquisition equipment (3) respectively, its characterized in that, field instrument (4) and data acquisition equipment (3) all are equipped with wireless transmission module respectively, field instrument (4) and data acquisition equipment (3) and other field instrument (4) wireless connection in the wireless transmission scope constitute wireless ad hoc network.
2. The system for acquiring network smart meter data according to claim 1, wherein a plurality of data acquisition devices (3) are provided.
3. The system for acquiring the data of the network smart meter according to the claim 1, characterized in that the system further comprises one or more relay devices (6).
4. The system for acquiring the data of the network smart meter according to claim 3, wherein the relay device (6) is provided with a wireless transmission module and is in wireless connection with the data acquisition device (3) and the field instrument (4) within a wireless transmission range, and the data acquisition device (3) is in wireless connection with at least one field instrument (4) or the relay device (6).
5. The system according to claim 1, wherein the wireless connection adopts a Modbus-RTU communication protocol.
6. The system of claim 5, wherein the wireless transmission module is a DTD433 wireless data transmission module.
7. The system for acquiring the data of the network smart meter according to claim 1, wherein the terminal platform (1) comprises a data statistics platform and a data display platform.
8. The system according to claim 1, wherein the field meter (4) comprises a network smart meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656254.3U CN210924880U (en) | 2019-09-30 | 2019-09-30 | Network smart electric meter data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656254.3U CN210924880U (en) | 2019-09-30 | 2019-09-30 | Network smart electric meter data acquisition system |
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| CN210924880U true CN210924880U (en) | 2020-07-03 |
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| CN201921656254.3U Active CN210924880U (en) | 2019-09-30 | 2019-09-30 | Network smart electric meter data acquisition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422649A (en) * | 2020-11-06 | 2021-02-26 | 山东天创亿联智能科技有限公司 | Heterogeneous network-based cloud meter reading method and system |
| CN113141395A (en) * | 2021-03-29 | 2021-07-20 | 重庆川仪自动化股份有限公司 | Instrument equipment Internet of things construction and equipment operation and maintenance system and method |
-
2019
- 2019-09-30 CN CN201921656254.3U patent/CN210924880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422649A (en) * | 2020-11-06 | 2021-02-26 | 山东天创亿联智能科技有限公司 | Heterogeneous network-based cloud meter reading method and system |
| CN113141395A (en) * | 2021-03-29 | 2021-07-20 | 重庆川仪自动化股份有限公司 | Instrument equipment Internet of things construction and equipment operation and maintenance system and method |
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Address after: 200436, No. 1198, Wanrong Road, Shanghai, Jingan District, 5 floor Patentee after: Shanghai Shangshi longchuang Intelligent Technology Co., Ltd Address before: 200436, No. 1198, Wanrong Road, Shanghai, Jingan District, 5 floor Patentee before: SHANGHAI SIIC-LONGCHUANG SMARTER ENERGY TECHNOLOGY Co.,Ltd. |