CN202059433U - Remote meter reading system - Google Patents

Remote meter reading system Download PDF

Info

Publication number
CN202059433U
CN202059433U CN201120089442XU CN201120089442U CN202059433U CN 202059433 U CN202059433 U CN 202059433U CN 201120089442X U CN201120089442X U CN 201120089442XU CN 201120089442 U CN201120089442 U CN 201120089442U CN 202059433 U CN202059433 U CN 202059433U
Authority
CN
China
Prior art keywords
meter
bus
main frame
slave
reading system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201120089442XU
Other languages
Chinese (zh)
Inventor
李小辉
陈凯
龙瑞金
胡灯柯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Holley Technology Co Ltd
Original Assignee
Holley Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Holley Technology Co Ltd filed Critical Holley Technology Co Ltd
Priority to CN201120089442XU priority Critical patent/CN202059433U/en
Application granted granted Critical
Publication of CN202059433U publication Critical patent/CN202059433U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model provides a remote meter reading system which adopts an M-Bus mode, simplifies the transmission manner, and achieves the purpose of reading meter remotely with low cost and high efficiency. In order to achieve the effect, the remote meter reading system comprises a main system which is connected with a public utility meter joint reading system and a server, the server is also connected with a plurality of public commodity service devices, the public utility meter joint reading system comprises a public utility meter for reading the information of the public commodity service devices, the public utility meter comprises a main machine and an auxiliary machine, a public utility meter in a fixed area comprises one main machine and a plurality of auxiliary machines, the main machine is internally provided with an M-Bus main module, and each auxiliary machine is internally provided with an M-Bus auxiliary module. By adopting the technical scheme, a meter bus integrated with the M-Bus module is utilized, so that public utility meters such as an electric meter, a water meter, a heat meter and the like of a household can be conveniently connected and read remotely.

Description

A kind of long-distance meter-reading system
Technical field
The utility model relates to a kind of fieldbus charge method, relates in particular to a kind of long-distance meter-reading system.
Background technology
For a long-distance meter-reading system, the data of transmitting on the bus are exactly the significant datas such as water, electricity, gas that the terminal use consumes, therefore very high to the anti-external disturbance requirement of bus, the coupling of wanting to resist various capacitives, perception is disturbed, and all isolates mutually between all slave units and slave unit and the main equipment.Simultaneously require networking cost relatively low again, transmission line need not use shielded type cable, and for saving cost, adopt the mode of remote power feeding to provide power supply to slave unit, to reduce the use of components and parts as far as possible.Solve these real problems and must adopt a kind of suitable bus structures.Be to disclose a kind of DCPL fieldbus that is used for the network intelligence table measuring terminal of long-distance meter-reading system in 03132268.9 the utility model patent " the DCPL fieldbus of network intelligence table measuring terminal and network prepaid bridge " as the patent No..Connect many on-the-spot slaves on this utility model main frame, feature is that slave is respectively some network intelligence type water meter terminals, gas meter terminal and family's distribution terminal, connects many on-the-spot slaves and addressable remote digital communication functions and the fieldbus of DC power supply is provided on a twisted-pair feeder.Network prepaid bridge is provided with CPU, is connected with pin-saving chip on it, analog switch, display driver circuit, optical coupler and the communication chip that connects through modem chip, feature is that CPU also is connected with the radio-frequency card module for reading and writing, and it is mutual that the user forms outdoor card using information by bridge.The DCPL fieldbus port that connects slave is arranged on the bridge main frame; The RS485 or the CAN bus port that connect the cell management computer.User's IC-card is swiped the card by the bridge noncontact, and data are read and write, managed by bridge, and by the DCPL network data is delivered to this user network intelligence table measuring terminal.But it needs an independent main control system, and needs to be provided with extra terminal box carry out the end points transfer on bus.Trouble is that this system's water, electricity, gas terminal all needs to customize special matched the most, is that integral body is newly established or the cost that old line is transformed is all very big, is difficult to popularize.The scope of application is very limited, and cost is too high.
The utility model content
The purpose of this utility model provides a kind of long-distance meter-reading system, adopts the M-Bus bus mode, and has simplified transmission means, and energy low-cost high-efficiency ground reaches the purpose of remote meter reading.
In order to reach described effect, a kind of long-distance meter-reading system of the utility model, comprise main system, main system is provided with a plurality of ports, main system connects utility meter connection copy system respectively by port, control access server and public commodity and service device, the control access server connects each service supplier, it is characterized in that: also connect some public commodity and service devices on the described control access server, described utility meter connection copy system comprises the utility meter that is used to read public merchandise news, utility meter comprises 1 main frame and a plurality of slave, be provided with the M-Bus primary module in the main frame, be provided with M-Bus in the slave from module, main frame connects a plurality of slaves and carries out data communication by bus by wired or wireless M-Bus mode, and main frame provides working power for slave.
Preferably, described main frame is an ammeter.In existing utility meter, having only ammeter is active instrument, and the electric energy that main frame and slave itself are consumed can be directly reflected in the ammeter, has avoided the counting of ammeter inaccurate.
Preferably, slave is provided with sleep mode when leisured, do not receiving under the situation of request of data, the Preset Time after data processing and next time preset time period carry out dormancy in the time period between constantly.Can save the energy like this.
Owing to adopted described technical scheme, the M-Bus meter bus is a kind of family cheaply electronic system, use the meter bus of integrated M-Bus module, and the M-Bus module is integrated in the utility meter main frame, multi-zone supervision, simplified overall structure, can realize networking and the remote meter-reading function of family easily with government utility instrument such as ammeter, water meter, calorimeters.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a kind of long-distance meter-reading system main system of the utility model structural representation.
Fig. 2 is the utility meter connection copy system structural representation of a kind of long-distance meter-reading system of the utility model.
Fig. 3 is the utility meter connection copy system structural representation of the wireless M-Bus bus of the employing of a kind of long-distance meter-reading system of the utility model.
Fig. 4 is the utility meter connection copy system structural representation of the band Dongle of a kind of long-distance meter-reading system of the utility model.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of long-distance meter-reading system of the utility model, main system, main system is provided with a plurality of ports, main system connects utility meter connection copy system 1 respectively by port, control access server 2 and public commodity and service device 3, control access server 2 connects each service supplier 6, also connect some public commodity and service devices 3 on the described control access server 2, described utility meter connection copy system 1 comprises the utility meter 4 that is used to read public merchandise news, utility meter 4 comprises 1 main frame 41 and a plurality of slave 42, be provided with the M-Bus primary module in the main frame 41, be provided with M-Bus from module in the slave 42, main frame 41 connects a plurality of slaves 42 and carries out data communication by bus by wired or wireless M-Bus mode, and main frame 41 provides working power for slave 42.
Compare with prior art, the utility model directly is arranged on main frame 41 in the utility meter 4, has simplified the structure of total system.
Because having only ammeter in the prior art is active utility meter 4, therefore need be with ammeter as main frame 41.But, do not get rid of other utility meter 4 and use as main frame 41 along with development of science and technology.And adopt ammeter can directly the energy consumption of main frame 41 and slave 42 be calculated as main frame 41, can therefore not cause voltameter not calculated accurately really.
During work, described main frame 41 sends initialization frame to slave 42 by the M-Bus primary module, reply data by M-Bus from module if there are 42 slaves of slave 42, main frame 41 triggers the information content that a claim frame obtains slave 42 subsequently, 41 pairs of described information contents of main frame store, judge the type of this slave 42 simultaneously, type according to this slave 42 is provided with its address subsequently, carry out communication according to all slaves 42 that need on this repeating query time ordered pair bus, and read the running status of slave 42 constantly in a predetermined period, carry out data processing according to described running status again and determine the validity of this secondary data, if state is normal, then read public commodity and service device 3 information that the utility meter 4 of slave 42 correspondences is read.
The M-Bus bus communication can pass through wired traditional two-wire, also can adopt wireless M-Bus bus mode, is used to overcome the difficulty of wiring.
In order to improve whole security performance, be provided with Dongle5 between main frame 41 and the slave 42 as described in Figure 4, described Dongle5 is connected by wired M-Bus bus with main frame 41, and carries out wireless telecommunications with slave 42.Dongle is exactly the alleged softdog of proverb, and Dongle often is considered to hardware protection, and it is a little plug-in unit that can be attached on computer parallel port, serial ports or the USB, and it comprises the EPROM that producer fires and the application-specific integrated circuit (ASIC) of customization.To be exactly the software developer often check unit among the Dongle at the program back warp to the principle of Dongle protection and contrast return value, and this inspection can be directly to read the unit or use certain internal algorithm.Adopt Dongle to carry out extra encryption, guarantee that system data can not utilized by unique people bus.
For the direct by-pass valve control of energy in some accidents, public commodity and service device 3 information contents of described slave 42 comprise public commodity consumption, valve state, and main frame 41 directly can be seen valve state.In case breaking out of fire, unexpected stormses such as earthquake can be in time corresponding.
For energy savings, slave 42 is provided with sleep mode when leisured, do not receiving under the situation of request of data, the Preset Time after data processing and next time preset time period carry out dormancy automatically in the time period between constantly.
Described utility meter 4 comprises electric energy meter, water meter, gas meter, flow meter, hotlist, and these can read the instrument of public commodity and service device 3 information.Described public commodity and service device 3 includes but not limited to the indoor user unit.Make range of application of the present utility model very extensive like this.

Claims (3)

1. long-distance meter-reading system, comprise main system, main system is provided with a plurality of ports, main system connects utility meter connection copy system (1) respectively by port, control access server (2) and public commodity and service device (3), control access server (2) connects each service supplier (6), it is characterized in that: also connect some public commodity and service devices (3) on the described control access server (2), described utility meter connection copy system (1) comprises the utility meter (4) that is used to read public merchandise news, utility meter (4) comprises 1 main frame (41) and a plurality of slave (42), main frame is provided with the M-Bus primary module in (41), slave is provided with M-Bus from module in (42), main frame (41) connects a plurality of slaves (42) and carries out data communication by bus by wired or wireless M-Bus mode, and main frame (41) provides working power for slave (42).
2. a kind of long-distance meter-reading system as claimed in claim 1 is characterized in that: described main frame (41) is an ammeter.
3. a kind of long-distance meter-reading system as claimed in claim 1 or 2, it is characterized in that: slave (42) is provided with sleep mode when leisured, do not receiving under the situation of request of data, the Preset Time after data processing and next time preset time period carry out dormancy automatically in the time period between constantly.
CN201120089442XU 2011-03-30 2011-03-30 Remote meter reading system Expired - Fee Related CN202059433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120089442XU CN202059433U (en) 2011-03-30 2011-03-30 Remote meter reading system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120089442XU CN202059433U (en) 2011-03-30 2011-03-30 Remote meter reading system

Publications (1)

Publication Number Publication Date
CN202059433U true CN202059433U (en) 2011-11-30

Family

ID=45019395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120089442XU Expired - Fee Related CN202059433U (en) 2011-03-30 2011-03-30 Remote meter reading system

Country Status (1)

Country Link
CN (1) CN202059433U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185747A (en) * 2011-03-30 2011-09-14 华立仪表集团股份有限公司 Automatic remote meter reading system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185747A (en) * 2011-03-30 2011-09-14 华立仪表集团股份有限公司 Automatic remote meter reading system

Similar Documents

Publication Publication Date Title
CN102074076B (en) Intelligent electric meter centralized recharging terminal and control method thereof
CN102128978B (en) Energy consumption metering system supporting two-way communication
CN208766825U (en) A kind of LoRa meeting southern network mark standard and carrier wave dual mode communication module
CN205003842U (en) Energy consumption data collection station based on thing networking
CN106200389A (en) A kind of intelligent electric energy meter based on embedded system
CN206788282U (en) A kind of multifunctional electric meter for meeting RS485 communications and LoRaWAN wireless communication technologys
CN102185747A (en) Automatic remote meter reading system
CN205123760U (en) Communications management system based on intelligence passes accuse terminal
CN208723624U (en) A kind of power remote distributed terminal
CN202120433U (en) Meter reading system
CN202059433U (en) Remote meter reading system
CN107818675A (en) Power information acquisition system and the micro- work(radio communication devices of NB IOT
CN204904026U (en) Environmental protection data acquisition device
CN204576242U (en) Based on MESH network, electrical network electric energy is implemented to the management system of remote monitoring
CN102355053A (en) Transformer air-cooled control ied
CN102945593A (en) Meter reading system based on smart phone
CN203606429U (en) Power acquisition system using communication manager
CN202956871U (en) Data integration acquisition system based on wireless communication network
CN205247610U (en) Long -range device of checking meter of distributing type
CN207895495U (en) A kind of intelligent property water, electricity and gas kilowatt meter reading-out system
CN202759109U (en) IC card energy saving and electricity control socket
CN111060727A (en) Electric energy meter
CN201876938U (en) Split-type single-phase integrated circuit (IC) card electric energy meter
CN203705932U (en) Modbus communication concentrator based on wireless technology
CN204142798U (en) Multifunctional intellectual ammeter box

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111130

Termination date: 20200330

CF01 Termination of patent right due to non-payment of annual fee