CN106327850A - Data acquisition device and method of meter reading system - Google Patents
Data acquisition device and method of meter reading system Download PDFInfo
- Publication number
- CN106327850A CN106327850A CN201610750500.6A CN201610750500A CN106327850A CN 106327850 A CN106327850 A CN 106327850A CN 201610750500 A CN201610750500 A CN 201610750500A CN 106327850 A CN106327850 A CN 106327850A
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- China
- Prior art keywords
- harvester
- electrical network
- meter
- control terminal
- outer net
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
Abstract
A data acquisition device of a meter reading system comprises a power grid collector, an outer grid collector, and meters. The data acquisition device and method are characterized in that a communication interface of the power grid collector is provided with a master control terminal for collecting data and a slave control terminal for monitoring the outer grid collector; the master control terminal is connected with a plurality of meters through a Meter-Bus, and the slave control terminal is connected with the outer grid collector; a controller for opening and closing a path is connected between the master control terminal and the slave control terminal. The device and method have the advantages of avoiding data collection conflict between two collectors.
Description
Technical field
The present invention relates to Utilities Electric Co.'s multiple-in-one centralized meter-reading system technical field, be specifically related to the data acquisition of centralized meter-reading system
Devices and methods therefor, data acquisition uses Meter-Bus bus.
Background technology
Multilist that Utilities Electric Co. proposes (electricity, water, gas, warm) is unified centralized meter-reading system and is advanced the most in China, but due to
Four departments respectively become, the acquisition mode of each self-sustaining oneself.This means that the centralized meter-reading system that Utilities Electric Co. carries out is necessary
The acquisition system of other companies compatible, the such as table meter of centralized meter-reading system Yao Chao waterpower company must assure that waterpower company is original and adopts
Collecting system can be properly functioning.
When using Meter-Bus bus to gather data, owing to Meter-Bus bus sends order by voltage, checked meter
Meter utilizes curent change return data.This means that can only there be a harvester pair the same time in Meter-Bus bus
Bus-powered, otherwise two harvesters all cannot collect data.So electrical network harvester is received with other harvesters simultaneously
If Meter-Bus bus carries out data acquisition, will clash, the most then cause loss of data, heavy then damage collecting device
Or table meter.
Electrical network harvester is connected same Meter-Bus bus and gathers data with other harvesters, and prior art is typically adopted
By following three kinds of methods, as a example by water meter acquiring device and electrical network harvester gather data of water meter jointly:
1, water meter acquiring device gathers during data bus-powered to Meter-Bus, gathers Meter-Bus bus after data complete and breaks
Electricity.Electrical network harvester learns that water meter acquiring device gathers data period in advance, and outside these periods, electrical network harvester gathers data.
2, increase an intelligent controller, when intelligent controller monitor water meter acquiring device need gather data time, by force
Switch to water meter acquiring device preferential collection data.
3, water meter acquiring device one direct power supply, regardless of whether collection data are always to bus-powered, electrical network harvester needs to adopt
Water meter acquiring device is cut off by force, by electrical network harvester preferential collection data during collection data.
Each there is shortcoming in above-mentioned three kinds of methods.
The shortcoming of method 1 is to secure acquisition time, when water meter acquiring device is inconsistent with the hour hands precision of electrical network harvester
Time, may cause gathering data time and overlap, ultimately result in 2 harvesters and all cannot collect data.What is more, and water meter is adopted
Storage and electrical network harvester are the most bus-powered to Meter-Bus, are likely to be received the order that the other side sends, this order be 22～
42V voltage, is likely to result in harvester and damages.
The shortcoming of method 2 be when intelligent controller monitor water meter acquiring device need gather data time, it is impossible to judge electrical network
The most whether harvester is gathering data, switches to water meter acquiring device preferential collection data by force, may interrupt electrical network collection
Device gathers data and causes loss of data.
The shortcoming of method 3 is to ensure the preferential collection of water meter acquiring device, when electrical network harvester needs to gather data,
Force disconnect water meter acquiring device, causes water meter acquiring device to gather data interruption.
Summary of the invention
The technical problem to be solved is the situation for prior art, it is provided that a kind of use Meter-Bus is total
When line gathers data, two kinds of harvesters do not clash, the data acquisition unit of centralized meter-reading system that can be compatible and method thereof.
The present invention solves the technical scheme that above-mentioned technical problem used: the data acquisition unit of a kind of centralized meter-reading system,
It includes electrical network harvester, outer net harvester and table meter, it is characterised in that: the communication interface of described electrical network harvester is provided with use
Gather the master control terminal of data and the son control terminal for monitoring outer net harvester；Described master control terminal passes through Meter-Bus
Bus is connected with several table meters, and described sub-control terminal is connected with outer net harvester；Between described master control terminal and son control terminal
Connect and have the controller cut-offfing path.
Described controller is relay.
Described outer net harvester is the one in water meter acquiring device, gas recovery device, three kinds of harvesters of heating installation harvester.
Described electrical network harvester is set to several, the corresponding outer net harvester of each electrical network harvester, and each electricity
The master control terminal of net harvester is connected with corresponding table meter by respective Meter-Bus bus.
The present invention arranges master control terminal and son control terminal, master control terminal and son control terminal at the COM1 of electrical network harvester
Between with controller be connected；Master control terminal is used for gathering data, and sub-control terminal is used for monitoring outer net harvester, and controller can break
Open or turn on the passage between sub-control terminal and master control terminal, thus ensure that only one of which harvester is to bus-powered, it is to avoid two
Individual harvester gathers data simultaneously and clashes, and ensures the use safety of collecting device and table meter.
Said apparatus is used to realize the collecting method of centralized meter-reading system, it is characterised in that described method includes:
A, when electrical network harvester want gather data time, judge which harvester preferential collection according to default；If electrical network
Harvester preferential collection, cuts off son control terminal and main control end subchannel, and electrical network harvester starts to gather data；If outer net collection
Device preferential collection, after waiting that outer net harvester gathers, then gathers data；
B, when outer net harvester send data acquisition command, sub-control terminal reception is to the corresponding command；Electrical network harvester is according to system
Set and judge which harvester preferential collection；If outer net harvester preferential collection, electrical network harvester power-off, conducting son control terminal
With main control end subchannel, outer net harvester starts to gather data；If electrical network harvester preferential collection, then wait electrical network harvester
After collection, then carry out data acquisition.
In order to avoid electrical network harvester is caused damage by frequent change in voltage, after described electrical network harvester collection data complete
Power-off the most after a period of time.
In order to protect table meter and harvester safety, described outer net harvester and electrical network harvester cannot be simultaneously to Meter-
Bus powers.
The method of the present invention sends data acquisition command regardless of electrical network harvester or outer net harvester, first judges which is adopted
The passage of storage preferential collection, controller on or off control terminal again and master control terminal, thus ensure only one of which all the time
Harvester is gathering data, it is to avoid two harvesters gather data simultaneously and clash, it is ensured that collecting device and the peace of table meter
Entirely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the second embodiment of the present invention；
Fig. 3 is the structural representation of the third embodiment of the present invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1, Fig. 2 show one embodiment of the present invention.The data acquisition unit of the present invention includes electrical network harvester
1, outer net harvester 2 and table meter 3.Outer net harvester 2 can be water meter acquiring device, it is also possible to be gas recovery device, it is also possible to be
Heating installation harvester.The communication interface of electrical network harvester 1 arranges master control terminal 4 and son control terminal 5, and master control terminal 4 passes through Meter-
Bus bus is connected with several table meters 3, table meter 3 parallel connection be connected to in Meter-Bus bus.Son control terminal 5 is adopted with outer net
Storage 2 is connected.Master control terminal is connected with table meter, is used for gathering data.Son control terminal is connected with outer net harvester, outside being used for monitoring
The acquisition that net harvester sends.Being connected by controller 6 between master control terminal 4 with son control terminal 5, this controller 6 is permissible
Passage between conducting and disconnection master control terminal and son control terminal, this controller 6 can be relay.
When outer net harvester is water meter acquiring device, table meter corresponds to water meter.When outer net harvester is gas recovery device,
Table meter corresponds to gas meter.When outer net harvester is heating installation harvester, table meter corresponds to heating installation gauge table.
Electrical network harvester 1 could be arranged to 1, it is also possible to is set to 2, it is also possible to is 3 (as shown in Figure 2 and Figure 3).
The son corresponding outer net harvester of control terminal of each electrical network harvester, and the master control terminal of each electrical network harvester is by each
Meter-Bus bus and corresponding table meter be connected.
Collecting method includes: when electrical network harvester wants to gather data, judge which gathers according to default
Device preferential collection；If electrical network harvester preferential collection, cutting off son control terminal and main control end subchannel, electrical network harvester starts to adopt
Collection data；If outer net harvester preferential collection, after waiting that outer net harvester gathers, then gather data.
When outer net harvester sends data acquisition command, and sub-control terminal reception is to the corresponding command；Electrical network harvester is according to being
System sets to judge which harvester preferential collection；If outer net harvester preferential collection, electrical network harvester power-off, conducting son control end
Son and main control end subchannel, outer net harvester starts to gather data；If electrical network harvester preferential collection, then wait electrical network collection
After device gathers, then carry out data acquisition.
In order to avoid electrical network harvester is caused damage by frequent change in voltage, it is stipulated that gather data at electrical network harvester and complete
After power-off the most after a period of time, a period of time can set according to practical situation, be usually set to 1 minute.
In order to protect table meter and harvester safety, Meter-Bus cannot be supplied by outer net harvester with electrical network harvester simultaneously
Electricity.
The present invention arranges master control terminal and son control terminal, master control terminal and son control terminal at the COM1 of electrical network harvester
Between with controller be connected；Master control terminal is used for gathering data, and sub-control terminal is used for monitoring outer net harvester, and controller can break
Open or turn on the passage between sub-control terminal and master control terminal, thus ensure that only one of which harvester is to bus-powered, it is to avoid two
Individual harvester gathers data simultaneously and clashes, it is ensured that collecting device and the safety of collected table meter.
Claims (7)
1. a data acquisition unit for centralized meter-reading system, it includes electrical network harvester (1), outer net harvester (2) and table meter (3),
It is characterized in that: the communication interface of described electrical network harvester (1) be provided with for the master control terminal (4) gathering data be used for supervise
Son control terminal (5) of control outer net harvester；Described master control terminal (4) passes through Meter-Bus bus and several table meter (3) phases
Even, described sub-control terminal (5) is connected with outer net harvester (2)；It is connected between described master control terminal (4) with son control terminal (5) and has
Cut-off the controller (6) of path.
The data acquisition unit of centralized meter-reading system the most according to claim 1, it is characterised in that: described controller (6) is for continuing
Electrical equipment.
The data acquisition unit of centralized meter-reading system the most according to claim 1, it is characterised in that: described outer net harvester (3)
For the one in water meter acquiring device, gas recovery device, three kinds of harvesters of heating installation harvester.
The data acquisition unit of centralized meter-reading system the most according to claim 1, it is characterised in that: described electrical network harvester (1)
It is set to several, the corresponding outer net harvester (2) of each electrical network harvester (1), and the master control of each electrical network harvester (1)
Terminal (4) is connected with corresponding table meter by respective Meter-Bus bus.
5. use device described in claim 1 to realize the collecting method of centralized meter-reading system, it is characterised in that described method bag
Include:
A, when electrical network harvester want gather data time, judge which harvester preferential collection according to default；If electrical network
Harvester preferential collection, cuts off son control terminal and main control end subchannel, and electrical network harvester starts to gather data；If outer net collection
Device preferential collection, after waiting that outer net harvester gathers, then gathers data；
B, when outer net harvester send data acquisition command, sub-control terminal reception is to the corresponding command；Electrical network harvester is according to system
Set and judge which harvester preferential collection；If outer net harvester preferential collection, electrical network harvester power-off, conducting son control terminal
With main control end subchannel, outer net harvester starts to gather data；If electrical network harvester preferential collection, then wait electrical network harvester
After collection, then carry out data acquisition.
The collecting method of centralized meter-reading system the most according to claim 5, it is characterised in that: described electrical network harvester gathers
Data complete after power-off the most after a period of time.
The collecting method of centralized meter-reading system the most according to claim 5, it is characterised in that: described outer net harvester and electricity
Meter-Bus cannot be powered by net harvester simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750500.6A CN106327850A (en) | 2016-08-27 | 2016-08-27 | Data acquisition device and method of meter reading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750500.6A CN106327850A (en) | 2016-08-27 | 2016-08-27 | Data acquisition device and method of meter reading system |
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| Publication Number | Publication Date |
|---|---|
| CN106327850A true CN106327850A (en) | 2017-01-11 |
Family
ID=57788783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610750500.6A Pending CN106327850A (en) | 2016-08-27 | 2016-08-27 | Data acquisition device and method of meter reading system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115640A1 (en) * | 2009-11-19 | 2011-05-19 | National Taiwan University | Automated remote water quality monitoring system with wireless communication capabilities and the method thereof |
| CN202004755U (en) * | 2011-02-01 | 2011-10-05 | 辽宁电能发展股份有限公司 | Power utilization information acquisition system with standby concentrator |
| CN102945594A (en) * | 2012-10-19 | 2013-02-27 | 深圳市中电电力技术股份有限公司 | Meter-bus data collector with ultra-low power loss |
| CN104601574A (en) * | 2015-01-15 | 2015-05-06 | 江苏林洋电子股份有限公司 | Reading method for data acquisition of electric energy meter |
-
2016
- 2016-08-27 CN CN201610750500.6A patent/CN106327850A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115640A1 (en) * | 2009-11-19 | 2011-05-19 | National Taiwan University | Automated remote water quality monitoring system with wireless communication capabilities and the method thereof |
| CN202004755U (en) * | 2011-02-01 | 2011-10-05 | 辽宁电能发展股份有限公司 | Power utilization information acquisition system with standby concentrator |
| CN102945594A (en) * | 2012-10-19 | 2013-02-27 | 深圳市中电电力技术股份有限公司 | Meter-bus data collector with ultra-low power loss |
| CN104601574A (en) * | 2015-01-15 | 2015-05-06 | 江苏林洋电子股份有限公司 | Reading method for data acquisition of electric energy meter |
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Application publication date: 20170111 |