CN201336072Y - Intelligent multichannel low-voltage meter reading data concentrator - Google Patents
Intelligent multichannel low-voltage meter reading data concentrator Download PDFInfo
- Publication number
- CN201336072Y CN201336072Y CNU2008202067947U CN200820206794U CN201336072Y CN 201336072 Y CN201336072 Y CN 201336072Y CN U2008202067947 U CNU2008202067947 U CN U2008202067947U CN 200820206794 U CN200820206794 U CN 200820206794U CN 201336072 Y CN201336072 Y CN 201336072Y
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- circuit
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- meter reading
- communication
- communication circuit
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Abstract
The utility model relates to a data concentrator used in an electric power system. The data concentrator comprises a singlechip circuit, a memorizer, an uplink communication circuit, a downlink communication circuit and a display circuit, wherein, the memorizer, the uplink communication circuit, the downlink communication circuit and the display circuit are connected with the singlechip circuit; and the uplink communication circuit adopts an RS 485 channel, a power line carrier channel, a wireless channel, and the like. The data concentrator conducts data exchange through various downlink communication channels and terminal equipment, receives the instruction of the concentrator or transmits data upwards. As the adopted communication circuit is simple and can be realized easily, the volume of the equipment does not need to be increased; and meanwhile, the operation condition of the whole meter reading system cannot be impacted by any communication failure when a single channel is adopted. Therefore, the utility model enables the data to be transmitted steady and reliably, improves the work efficiency of an electric meter reading system, and has very high utility value and well market prospect.
Description
Technical field
The utility model relates to a kind of electric system data data concentrator, is meant a kind of intelligent multi channel low-voltage collecting meter reading data concentrator especially.
Background technology
The downgoing communication channel ratio of present intelligent concentrator is more single, can not satisfy actual request for utilization, in case communication channel fault or communication are bad, can influence the efficient of whole centralized meter-reading system operation and the integrality of data.
The utility model content
At the shortcoming of prior art, the purpose of this utility model provides a kind of data concentrator with multiple downgoing communication channel, the bad situation of communication that may occur when adopting single channel in order to overcome.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of intelligent data concentrator comprises single chip circuit and the storer, uplink communication circuit, downgoing communication circuit, the display circuit that are connected with single chip circuit, wherein said downgoing communication circuit comprises multiple communication modes, for example adopt RS485 channel, power carrier channel and wireless channel etc., and two kinds of communication modes and concentrator communication are set at least.
This data concentrator also comprises the indicator light circuit by Micro Controller Unit (MCU) driving, and this indicator light circuit comprises power light and communication state pilot lamp.
This data concentrator uplink communication circuit adopts GPRS radio network information channel and the communication of electric power system control main website.
The utility model adopts multiple communication modes and data collection station or ammeter communication, and the communicating circuit of employing is succinct, easily realizes, need not to increase equipment volume; In a single day communication failure occurs when effectively having avoided simultaneously adopting single channel and influence the situation that whole centralized meter-reading system moves, make that instruction, data can be stablized, reliable transmission, help improving electric power centralized meter-reading system work efficiency, have very strong practical value and good market outlook.
Description of drawings
Fig. 1 forms schematic block diagram for the utility model function.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Data concentrator as shown in Figure 1 comprises single chip circuit and the storer, uplink communication circuit, downgoing communication circuit, the display circuit that are connected with single chip circuit.
Single chip circuit is used for coordinating each functional circuit module work of control as governor circuit; The uplink communication circuit is used for the communication with the electric power system control main website, receives the controlling center instruction or the transferring electric power data that make progress, and the uplink communication circuit adopts the GPRS network communication modes; The downgoing communication circuit is used for and data collection station or ammeter communication, acquisition terminal user power utilization data, and the downgoing communication circuit possesses RS485 channel, power carrier channel and wireless channel simultaneously among the embodiment.
This data concentrator is descending can be respectively to carry out exchanges data by any one data transmission channel in RS485 channel, carrier channel or the wireless channel and data collection station or ammeter.In the practical application, the control transformation function of channel can be finished by Single-chip Controlling, one preferred communication modes at first is set, RS485 channel for example, if the RS485 channel is obstructed, then convert the carrier system communication automatically to by concentrator, obstructed as carrier channel, convert wireless mode more automatically to and carry out communication.Because the downgoing communication of concentrator has triple guarantees, and the communication success ratio can be provided greatly.
Descending RS485 channel adopts special-purpose RS485 chip such as SN65LBC184 chip, carries out exchanges data by serial data transmission mouthful RXD, the TXD connection RS485 chip and the outside of single-chip microcomputer; Carrier channel adopts as the PL3201 carrier chip, and the other serial data by single-chip microcomputer sends and mouthful connects carrier chip; Wireless communication line then can adopt the short distance low-consumption wireless communication module of 517MHz frequency or the Zigbee communication module of 2.4G frequency, sends mouth by the 3rd serial data of single-chip microcomputer and controls.
Controlling center (management of power use center) carries out communication by GPRS mode and described concentrator, comprises long-range concentrator being carried out program upgrade.Concentrator carries out the parameter setting, checks meter, draws/operations such as the control of closing a floodgate downstream station equipment again.This concentrator possesses a plurality of channels, is applicable to collect the arbitrary networking scheme of destroying the sub-district.
This data concentrator also comprises the clock circuit that offers single-chip microcomputer frequency of operation and time parameter, and it adopts the real-time timepiece chip as RTC-4553, and clock and calendar counter are arranged; Can select 24 or 12 hours display modes; Clock can carry out 30 seconds adjustment at interval by software mode; And provide the timing pip of 0.1Hz or 1024Hz to export, so that externally clock accuracy is made regular check on.
This data concentrator also comprises the indicator light circuit by Micro Controller Unit (MCU) driving, all pilot lamp can be set for power supply, uplink communication state, downgoing communication.
In addition, the infrared communication circuit that is connected with single-chip microcomputer is set also among the embodiment, is used for carrying out exchanges data, conveniently carry out on-site data gathering with outside infrared communication equipment.
This data concentrator has also disposed LCD MODULE, can display parameter, communication information and equipment state.
This data concentrator has also disposed button, can page turning inquiry liquid crystal display piece content displayed.
The utility model is powered to single-chip microcomputer and each functional circuit by power circuit conversion back directly from the power circuit power taking.
This data concentrator also comprises the battery that back-up source is provided to single-chip microcomputer, when power failure, is used for providing power supply to single-chip microcomputer and clock circuit, storer etc., prevents loss of data.
Claims (6)
1, a kind of intelligent multi channel low-voltage collecting meter reading data concentrator comprises single chip circuit and the storer, uplink communication circuit, downgoing communication circuit, the display circuit that are connected with single chip circuit, wherein:
Single chip circuit is used for coordinating each functional circuit module work of control as governor circuit;
The uplink communication circuit is used for the communication with the electric power system control main website, receives the controlling center instruction or to transmitting data;
The downgoing communication circuit is used for and data collection station or ammeter communication acquisition terminal user's electricity consumption data;
It is characterized in that: described downgoing communication circuit comprises in RS485 channel, power carrier channel and the wireless channel at least two kinds simultaneously.
2, intelligent multi channel low-voltage collecting meter reading data concentrator according to claim 1, it is characterized in that: described RS485 channel can adopt integrated chip SN65LBC184, and this chip controls end sends mouthful RXD, a TXD with the serial data of single-chip microcomputer and is connected.
3, intelligent multi channel low-voltage collecting meter reading data concentrator according to claim 1, it is characterized in that: described carrier channel can adopt the PL3201 carrier chip, and this chip controls end sends mouthful RXD, a TXD with the serial data of single-chip microcomputer and is connected.
4, intelligent multi channel low-voltage collecting meter reading data concentrator according to claim 1 is characterized in that: it is the short distance low-consumption wireless communication module of 517MHz or the Zigbee network communication module that frequency is 2.4G that described wireless channel can adopt frequency.
5, according to each intelligent multi channel low-voltage collecting meter reading data concentrator in the claim 1～4, it is characterized in that: also comprise the indicator light circuit that is connected with single-chip microcomputer, comprise power light and communication state pilot lamp.
6, according to the intelligent multi channel low-voltage collecting meter reading data concentrator of claim 5, it is characterized in that: also comprise the infrared communication circuit that is connected with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202067947U CN201336072Y (en) | 2008-12-31 | 2008-12-31 | Intelligent multichannel low-voltage meter reading data concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202067947U CN201336072Y (en) | 2008-12-31 | 2008-12-31 | Intelligent multichannel low-voltage meter reading data concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201336072Y true CN201336072Y (en) | 2009-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202067947U Expired - Fee Related CN201336072Y (en) | 2008-12-31 | 2008-12-31 | Intelligent multichannel low-voltage meter reading data concentrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN201336072Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486012A (en) * | 2014-12-11 | 2015-04-01 | 成都秦川科技发展有限公司 | Environment frequency detection and automatic frequency hopping system and method |
| CN106558213A (en) * | 2016-12-09 | 2017-04-05 | 杭州西力智能科技股份有限公司 | A kind of four table integrated information acquisition converters |
| CN106781358A (en) * | 2016-11-24 | 2017-05-31 | 国电南瑞科技股份有限公司 | A kind of modularization AMI concentrators |
-
2008
- 2008-12-31 CN CNU2008202067947U patent/CN201336072Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486012A (en) * | 2014-12-11 | 2015-04-01 | 成都秦川科技发展有限公司 | Environment frequency detection and automatic frequency hopping system and method |
| CN106781358A (en) * | 2016-11-24 | 2017-05-31 | 国电南瑞科技股份有限公司 | A kind of modularization AMI concentrators |
| CN106558213A (en) * | 2016-12-09 | 2017-04-05 | 杭州西力智能科技股份有限公司 | A kind of four table integrated information acquisition converters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20131231 |