CN201876479U - Data acquisition unit - Google Patents
Data acquisition unit Download PDFInfo
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- CN201876479U CN201876479U CN2009201010749U CN200920101074U CN201876479U CN 201876479 U CN201876479 U CN 201876479U CN 2009201010749 U CN2009201010749 U CN 2009201010749U CN 200920101074 U CN200920101074 U CN 200920101074U CN 201876479 U CN201876479 U CN 201876479U
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- acquisition unit
- data acquisition
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Abstract
The utility model relates to a data acquisition unit which consists of a master control circuit, a data storage circuit, an RS 485 communication circuit, a general packet radio service (GPRS) wireless data communication circuit and a power module, wherein the data storage circuit, the RS 485 communication circuit and the GPRS wireless data communication circuit are in two-way connection with the master control circuit; the power module is used for supplying power for other parts; the master control circuit and the data storage circuit comprise U1, U7 and U8; the RS 485 communication circuit comprises U1, U2 and U4; and the GPRS wireless data communication circuit comprises U2. The data acquisition unit is simple in structure and stable in performance; a proven and reliable GPRS wireless data communication channel is adopted by an uplink channel, and data transmission follows the transmission control protocol/Internet protocol (TCP/IP), so that the data transmission is rapid in speed, stable and reliable; and the data acquisition unit can be installed in all parts in China depending on the powerful service network of China mobile communication corporation (CMCC) and China Unicom. A downlink channel follows the Digital technique (DT)/ L645 protocol, so that the data acquisition unit adapts to most of electric energy meters. The data acquisition unit can be used for providing a real-time communication channel for a monitored power distribution room and providing various needed assessment data for electrical production.
Description
Technical field
The utility model relates to a kind of wireless data communication device of electric energy meter, is specifically related to a kind of data acquisition unit.
Background technology
At present, energy datas such as platform district table of merit rating in the electric system and some priority industry users' three-phase voltage, three-phase current, neutral current, active power, reactive power, power factor, meritorious total and phase-splitting electric weight, idle total and phase-splitting electric weight need timely transimiison analysis, and the communication interface of present electric energy meter all is RS485 basically, be subjected to factor affecting such as constructional difficulties, can't accomplish real-time Communication for Power with the backstage checking system.
Summary of the invention
The purpose of this utility model is to overcome the weak point that exists in the above-mentioned technology, and a kind of simple in structure, reasonable in design, easy for installation, data acquisition unit simple, that cost is low of constructing is provided.
In order to achieve the above object, the technical solution adopted in the utility model is: be made up of governor circuit, data storage circuitry, RS485 telecommunication circuit, GPRS wireless data communications circuit and power module, data storage circuitry, RS485 telecommunication circuit and GPRS wireless data communications circuit all are connected with governor circuit is two-way, power module is given other part power supplies, described governor circuit and data storage circuitry comprise U1, U7 and U8, described RS485 telecommunication circuit comprises U1, U2 and U4, and described GPRS wireless data communications circuit comprises U2.
The utility model has the advantages that:
The utility model can give monitored platform district provide one can real-time Communication for Power passage, electrical production provides various required examination datas.It has following function specifically:
1, radio communication function: the user can communicate with the electric energy meter of monitoring in real time;
2, data storage function: collector can automatic data collection and the storage data;
3, clocking capability: built-in hardware clock has calendar, timing and automatic leap year function.
The utility model is simple in structure, stable performance, and data feedback channel adopts the GPRS wireless data communications passage of mature and reliable, data transmission is followed ICP/IP protocol, and transmission speed is fast, and is stable, reliably, rely on China Mobile and the powerful service network of CHINAUNICOM, all parts of the country can be installed.Down going channel is followed the DT/L645 stipulations, adapts to most electric energy meters.
Description of drawings
Fig. 1 is the utility model principle schematic;
Fig. 2 is the utility model governor circuit and memory circuit;
Fig. 3 is the utility model governor circuit and memory circuit;
Fig. 4 is the utility model RS485 telecommunication circuit.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
By Fig. 1-Fig. 4 as can be known, data acquisition unit described in the utility model, by governor circuit 1, data storage circuitry 2, RS485 telecommunication circuit 3, GPRS wireless data communications circuit 4, and power module 5 is formed, data storage circuitry 2, RS485 telecommunication circuit 3 and GPRS wireless data communications circuit 4 all with 1 two-way connection of governor circuit, power module 5 is given other part power supplies, described governor circuit 1 comprises U1 with data storage circuitry 2, U7 and U8, described RS485 telecommunication circuit 3 comprises U1, U2 and U4, described GPRS wireless data communications circuit 4 comprises U2, described GPRS wireless data communications circuit 4 adopts professional GPRS module, receive the GPRS data communication, and send data to host CPU (U1), host CPU (U1) will be decoded according to the LON16 rule from the data that U2 receives, send to electric energy meter by the U1 in the RS485 telecommunication circuit 3, it is anti-interference to isolate raising by photoelectrical coupler between the two, the data of the electric energy meter that U1 receives by 3 U1 in the RS485 telecommunication circuit send to U2 after according to the LON16 rule encoding, data after U2 will encode send, simultaneously, U1 is kept at U7 with the data of electric energy meter, among the U8.
This collector receives wireless data by the U2 in the GPRS communications portion circuit, 48 human hair combing wastes by U2 go out the RING signal, U1 in notice master control and the storage area circuit receives wireless data, U1 in master control and the storage area circuit passes through 9 pin from the U2 reading of data, U1 receives after the data decode by U1 and sends to photoelectrical coupler U2 in the RS485 communications portion circuit, through sending to the U1 in the RS485 communications portion circuit after isolating, the U1 in the RS485 communications portion circuit becomes the RS485 signal to send to external electric energy meter conversion of signals.The data that electric energy meter is responded at first convert the TTL signal to by the U1 in the RS485 communications portion circuit, send to 42 pin of the U1 in master control and the storage area circuit after the photoelectricity isolation by the U4 in the RS485 communications portion circuit, U1 receives after the data of electric energy meter through 10 pin of coding by the U1 in master control and the storage area circuit and sends to U2 in the GPRS communications portion circuit to the circuit between 40 pin of U2, and the data after U2 will encode send by radio channel.
During use, governor circuit is communicated by letter with external electric energy meter by the RS485 circuit; The gprs service that governor circuit is controlled the GPRS circuit simultaneously to be provided by service provider is set up TCP with the service routine on backstage and is connected, and control GPRS circuit keeps TCP to connect, CPU sends to the backstage service routine with the data that collect by the GPRS circuit, gives the user and handles; Simultaneously, cause data transmission to be lost in order to prevent service provider chance failure to occur, CPU stores data, transfers data to the user normal the time so that transmit.
Claims (4)
1. data acquisition unit, comprise governor circuit, data storage circuitry, it is characterized in that: by governor circuit (1), data storage circuitry (2), RS485 telecommunication circuit (3), GPRS wireless data communications circuit (4), and power module (5) is formed, data storage circuitry (2), RS485 telecommunication circuit (3) and GPRS wireless data communications circuit (4) all with two-way connection of governor circuit (1), power module (5) is given other part power supplies, described governor circuit (1) comprises U1 (6) with data storage circuitry (2), U7 (7) and U8 (8), described RS485 telecommunication circuit (3) comprises U1 (9), U2 (10) and U4 (11) described GPRS wireless data communications circuit (4) comprise U2 (12).
2. data acquisition unit according to claim 1 is characterized in that: described GPRS wireless data communications circuit (4) adopts professional GPRS module, receives the GPRS data communication, and sends data to host CPU U1 (9).
3. data acquisition unit according to claim 1, it is characterized in that: host CPU U1 (9) will decode according to the LON16 rule from the data that receive U2 (10), send to electric energy meter by the U1 (9) in the RS485 telecommunication circuit (3), it is anti-interference to isolate raising by photoelectrical coupler between the two.
4. data acquisition unit according to claim 1, it is characterized in that: the data of the electric energy meter that U1 receives by (3) U1 (9) in the RS485 telecommunication circuit send to U2 (10) after according to the LON16 rule encoding, data after U2 (10) will encode send, simultaneously, U1 (6) is kept at the data of electric energy meter among U7 (7), the U8 (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201010749U CN201876479U (en) | 2009-10-15 | 2009-10-15 | Data acquisition unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201010749U CN201876479U (en) | 2009-10-15 | 2009-10-15 | Data acquisition unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201876479U true CN201876479U (en) | 2011-06-22 |
Family
ID=44164395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201010749U Expired - Fee Related CN201876479U (en) | 2009-10-15 | 2009-10-15 | Data acquisition unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201876479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018947A (en) * | 2016-06-23 | 2016-10-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Electrical energy metering system and method |
| CN107171690A (en) * | 2017-06-12 | 2017-09-15 | 苏州贝艾尔净化科技有限公司 | The dual communication protection circuit of New-air purifying system |
-
2009
- 2009-10-15 CN CN2009201010749U patent/CN201876479U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018947A (en) * | 2016-06-23 | 2016-10-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Electrical energy metering system and method |
| CN107171690A (en) * | 2017-06-12 | 2017-09-15 | 苏州贝艾尔净化科技有限公司 | The dual communication protection circuit of New-air purifying system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20171015 |