CN2884656Y - Simulator for testing power loading management terminal communication - Google Patents
Simulator for testing power loading management terminal communication Download PDFInfo
- Publication number
- CN2884656Y CN2884656Y CNU2006200691176U CN200620069117U CN2884656Y CN 2884656 Y CN2884656 Y CN 2884656Y CN U2006200691176 U CNU2006200691176 U CN U2006200691176U CN 200620069117 U CN200620069117 U CN 200620069117U CN 2884656 Y CN2884656 Y CN 2884656Y
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- China
- Prior art keywords
- communication
- management terminal
- load management
- communication device
- central processing
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- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a simulation device for testing communications of an electrical load management terminal, comprising a data memory, central processing device, RS-485 communication device, selection circuit and instruction circuit, communication regulations of a variety of power meters required and the simulated data of communication regulations of a variety of power meters are stored in the data memory; and the data memory, RS-485 communication device, selection circuit and instruction circuit for indicating the current state of communication are separately connected with the central processing device. The utility model has advantages of that: the power meters in the site operation are not required for testing RS-485 communication functions of electrical load management terminal, thus the seal of power energy measurement is not required to be opened. The simulation communication device is used flexibly, as long as the communication regulations are selected properly, the electrical load management system can use arbitrary table address for communication.
Description
Technical field
The utility model belongs to the power load management system application, relates to a kind of device that is used to test electricity load management terminal RS-485 interface communication function, particularly a kind of device of simulation multifunctional electric energy meter RS-485 interface communication.
Background technology
Power load management system is based on the information gathering of Computer Applied Technology, modern communication technology, power control technology, processing and real-time monitoring system, just is widely used at present.Power load management system is made up of the communication channel of main website of system, electricity load management terminal (abbreviation terminal), main website and terminal room.Electricity load management terminal has the function of electric energy meter being carried out information gathering by the RS-485 communication interface.Usually, test at the scene electricity load management terminal RS-485 communication interface whether the method for operate as normal be directly to utilize on-the-spot operating electric energy meter.But if communication failure can't the localization of faults be electricity load management terminal or electric energy meter just, or communication line.
Invention constitutes
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provide a kind of can simulation multifunctional electric energy meter RS-485 interface communication, the device that electricity load management terminal is tested.
The utility model is realized by following approach:
Be used to test the analogue means of electricity load management terminal communication, it is characterized in that, include data storage, central processing unit, the RS-485 communication device, select circuit and indicating circuit, store the analogue data under various needed electric energy meter communication protocols and the multiple electric energy meter communication protocol in the data storage, data storage, the RS-485 communication device, select circuit to indicate the indicating circuit of current communication state to be connected with central processing unit respectively with being used to, central processing unit is according to selecting the selected communication protocol of circuit, wait is from the order of checking meter of the load management terminal of RS-485 communication device acquisition, read corresponding data from data storage after judging, by the RS-485 communication device these data are returned to load management terminal again.
These communication protocols can be multiple for DL/T 645-1997 stipulations, Fujian stipulations, IEC 1107 stipulations, ABB stipulations etc.
Select circuit to be used for the electric energy meter communication protocol that choice device will be simulated.
Indicating circuit is used to indicate current communication state.
Like this, analog communication device described in the utility model is connected with electricity load management terminal by the RS-485 interface, and carries out communication according to the communication protocol of appointment.At this moment, can select to use which kind of stipulations by selecting circuit.The RS-485 interface communication of so-called simulation electric energy meter is meant that the analog communication device only simulates the communication process of electric energy meter, and the response content of its communication is arranged in program in advance, does not have true meaning, only for checking that electricity load management terminal uses.Electricity load management terminal can be checked meter as multifunctional electric energy meter to it, and the data of copying back then similar 12345678 such string numbers have notable feature, and the tester knows the communication success at a glance.
The utility model can also be realized by following approach.
Central processing unit comprises a kind of MSC-51 series monolithic chip.
Data storage can be independently, also can be included in the employed singlechip chip of central processing unit.
The RS-485 communication device is the RS-485 interface chip.
Indicating circuit comprises a LED, is used to indicate current communication state, light the expression current just in communication.
Selecting circuit is a kind of push-button array.
The beneficial effects of the utility model are:
The RS-485 communication function of test electricity load management terminal does not need to use on-the-spot operating electric energy meter, does not so just need to open Lead Sealing in Electric Energy Measurement.
If electricity load management terminal can with this analog communication device normal communication, and unsuccessful with the communication of field electric energy table, then can failure judgement go out at electric energy meter or communication line.
This analog communication device uses flexibly, as long as choose communication protocol, power load management system can be with any table address and its communication.
This analog communication device also can be used for the laboratory tests electricity load management terminal, and conveniently advantage is arranged.
Description of drawings
Fig. 1 is the circuit frame schematic diagram of analog communication device described in the utility model.
Fig. 2 is the embodiment circuit theory diagrams of analog communication device described in the utility model.
Fig. 3 is the workflow schematic diagram of the utility model embodiment.
Specific embodiment
With reference to accompanying drawing 1, be used to test the analogue means of electricity load management terminal communication, include data storage, central processing unit, the RS-485 communication device, select circuit and indicating circuit, central processing unit and data storage are included in the singlechip chip, store the analogue data under various needed electric energy meter communication protocols and the multiple electric energy meter communication protocol in the data storage, the RS-485 communication device, select circuit to be connected with singlechip chip respectively with indicating circuit, singlechip chip is according to selecting the selected communication protocol of circuit, wait is from the order of checking meter of the load management terminal of RS-485 communication device acquisition, read corresponding data from data storage after judging, by the RS-485 communication device these data are returned to load management terminal again.
With reference to accompanying drawing 2, the singlechip chip model is AT89C51RD2, includes necessary auxiliary circuit around it.The model of RS-485 communication chip is MAX483, the RS-485 communication chip
, the DE pin is connected with the P2.0 pin of singlechip chip, the DI of RS-485 communication chip, RO pin are connected with TXD, the RXD pin of singlechip chip respectively.Push-button array comprises 4 buttons, is connected with P1.0, P1.1, P1.2, the P1.3 pin of singlechip chip respectively by one group of electronic circuit, is used for the selection of Fujian stipulations, DL/T645 stipulations, IEC 62056 stipulations, ABB stipulations.Indicating circuit comprises a LED, is connected with the P2.1 pin of singlechip chip by one group of electronic circuit, is used to indicate current communication state, light the expression current just in communication.
With reference to Fig. 3, the analogue means of test electricity load management terminal communication is carrying out after the energising after initial work finishes, the RS-485 communication device begins to accept frame data, single-chip microcomputer is handled the data of being accepted, judge whether the data of a byte, if any, represent overtime or the communication protocol change, to receive new data again, as not have, then save the data in buffering area, when receiving data, to judge whether these frame data are accepted to finish, as not accepted as yet, then continue to receive data, after receiving, then stipulations according to the rules judge that whether the data that received are for checking meter order, in this way, then corresponding electric energy meter data are sent, and begin to receive new data by single-chip microcomputer.
Claims (6)
1, be used to test the analogue means of electricity load management terminal communication, it is characterized in that, include data storage, central processing unit, the RS-485 communication device, select circuit and indicating circuit, store the analogue data under various needed electric energy meter communication protocols and the multiple electric energy meter communication protocol in the data storage, data storage, the RS-485 communication device, select circuit to indicate the indicating circuit of current communication state to be connected with central processing unit respectively with being used to, central processing unit is according to selecting the selected communication protocol of circuit, wait is from the order of checking meter of the load management terminal of RS-485 communication device acquisition, read corresponding data from data storage after judging, by the RS-485 communication device these data are returned to load management terminal again.
2, the analog communication device that is used for load management terminal according to claim 1 is characterized in that: central processing unit comprises a kind of MSC-51 series monolithic chip.
3, the analog communication device that is used for load management terminal according to claim 1 is characterized in that: data storage or independently, or be included in the employed singlechip chip of central processing unit.
4, the analog communication device that is used for load management terminal according to claim 1, it is characterized in that: the RS-485 communication device is the RS-485 interface chip.
5, the analog communication device that is used for load management terminal according to claim 1, it is characterized in that: indicating circuit comprises a LED, is used to indicate current communication state, light the expression current just in communication.
6, according to the described analog communication device that is used for load management terminal of any one claim of claim 1 to 5, it is characterized in that: selecting circuit is a kind of push-button array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200691176U CN2884656Y (en) | 2006-01-25 | 2006-01-25 | Simulator for testing power loading management terminal communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200691176U CN2884656Y (en) | 2006-01-25 | 2006-01-25 | Simulator for testing power loading management terminal communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884656Y true CN2884656Y (en) | 2007-03-28 |
Family
ID=37957708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200691176U Expired - Lifetime CN2884656Y (en) | 2006-01-25 | 2006-01-25 | Simulator for testing power loading management terminal communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884656Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075273A (en) * | 2011-01-27 | 2011-05-25 | 重庆吉檀电子科技有限责任公司 | Carrier communication test instrument |
| WO2012151730A1 (en) * | 2011-05-11 | 2012-11-15 | 辽宁省电力有限公司 | Electric quantity collection terminal function tester |
| CN103713556A (en) * | 2013-12-27 | 2014-04-09 | 山东和远自控技术有限公司 | Intelligent information interaction terminal and communication method thereof |
| CN105699930A (en) * | 2014-11-24 | 2016-06-22 | 国网辽宁省电力有限公司营口供电公司 | Intelligent ammeter serial port DL/T645 communication protocol online fast detector |
-
2006
- 2006-01-25 CN CNU2006200691176U patent/CN2884656Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075273A (en) * | 2011-01-27 | 2011-05-25 | 重庆吉檀电子科技有限责任公司 | Carrier communication test instrument |
| WO2012151730A1 (en) * | 2011-05-11 | 2012-11-15 | 辽宁省电力有限公司 | Electric quantity collection terminal function tester |
| CN103713556A (en) * | 2013-12-27 | 2014-04-09 | 山东和远自控技术有限公司 | Intelligent information interaction terminal and communication method thereof |
| CN105699930A (en) * | 2014-11-24 | 2016-06-22 | 国网辽宁省电力有限公司营口供电公司 | Intelligent ammeter serial port DL/T645 communication protocol online fast detector |
| CN105699930B (en) * | 2014-11-24 | 2019-08-13 | 国网辽宁省电力有限公司营口供电公司 | Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fujian EPRI Power Commissioning Co., Ltd. Assignor: Fujian Electric Power Testing and Research Institute|Xiamen Yichuang Technology Development Co., Ltd. Contract fulfillment period: 2008.11.30 to 2016.1.22 Contract record no.: 2008350000213 Denomination of utility model: Simulator for testing power loading management terminal communication Granted publication date: 20070328 License type: Exclusive license Record date: 20081215 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.30 TO 2016.1.22; CHANGE OF CONTRACT Name of requester: FUJIAN ZHONGSHISUO ELECTRIC POWER ADJUSTMENT AND T Effective date: 20081215 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070328 |
|
| EXPY | Termination of patent right or utility model |