CN204389672U - Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device - Google Patents
Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device Download PDFInfo
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- CN204389672U CN204389672U CN201420709453.7U CN201420709453U CN204389672U CN 204389672 U CN204389672 U CN 204389672U CN 201420709453 U CN201420709453 U CN 201420709453U CN 204389672 U CN204389672 U CN 204389672U
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Abstract
Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device belongs to intelligent electric energy meter communication and control field, particularly relates to a kind of intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device.The utility model provides a kind of intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device promoting the work efficiency of field adjustable personnel.The utility model comprises transformer, ISL3152 chip, 485 interfaces, MCU and pilot lamp, the input port of its structural feature transformer is connected with civil power, the output port of transformer is connected with the input port of rectifier bridge, the output port of rectifier bridge is connected with the input port of three-terminal regulator block, the output port of three-terminal regulator block is connected with the power input port of ISL3152 chip, the power input port of MCU respectively, and 485 transmit pories of ISL3152 chip are connected with 485 transmit pories of MCU.
Description
Technical field
The utility model belongs to intelligent electric energy meter communication and control field, particularly relates to a kind of intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device.
Background technology
In recent years, the intelligent electric meter automatic data logging during power customer power information gathers is widely applied, and State Grid Corporation of China has called for bid about 300,000,000 intelligent electric meters, and wherein, 1.5 hundred million intelligent electric meters are RS485 intelligent electric meter.RS485 intelligent electric meter is mainly used in the automatic collection (using RS485 as communication mode) in platform district table of merit rating (i.e. summary table), the automatic collection (using RS485 as communication mode) of certain customers' ammeter.When intelligent electric meter does not carry out efficient communication by RS485, need to adopt technological means to determine the problem of collector or the problem of intelligent electric meter.
The detection of the RS485 communication port of electric energy meter or acquisition terminal equipment needs professional to judge to the on-the-spot professional equipment that adopts, and the worker at the production line of power department does not temporarily have solid way.At present, process problems, most processing mode is all directly change electric energy meter or acquisition terminal equipment, certainly will bring the waste of a large amount of human and material resources like this, also brings inconvenience to the management of partial power simultaneously.
The current table of merit rating for radio area and part electric energy meter all adopt the mode of RS485 versabus to communicate, thus realize the object of remote collection.Acquisition terminal equipment communicates with the RS485 between table of merit rating, between electric energy meter with collector and is applicable at present not the simple detection means that Utilities Electric Co. worker at the production line uses, and judges whether RS485 bus communication has problems.Professional is generally needed to carry out the judgement of RS485 bus communication pattern and communication protocol by computer software.This pattern is applicable to have the professional commissioning staff compared with hi-tech basis, and is not suitable for the on-the-spot O&M commissioning staff of Utilities Electric Co..Equipment volume simultaneously needed for this detecting pattern is large, and quantity is many, and interface is many, is inconvenient to carry and failure judgement problem intuitively.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device promoting the work efficiency of field adjustable personnel.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises transformer, ISL3152 chip, 485 interfaces, MCU and pilot lamp, the input port of its structural feature transformer is connected with civil power, the output port of transformer is connected with the input port of rectifier bridge, the output port of rectifier bridge is connected with the input port of three-terminal regulator block, the output port of three-terminal regulator block respectively with the power input port of ISL3152 chip, the power input port of MCU is connected, 485 transmit pories of ISL3152 chip are connected with 485 transmit pories of MCU, external detection signal 485 transmit port of ISL3152 chip is connected with 485 interfaces, the control signal output port of MCU is connected with pilot lamp.
As a kind of preferred version, MCU described in the utility model adopts SC1108004CLC chip D4,4,5,6 pin of D4 are corresponding with 3,4,1 pin of ISL3152 chip D2 respectively to be connected, and 3 pin of D2 are connected with 2 pin of D2, and 1 pin of D2 is connected with the output port of three-terminal regulator block by 10K resistance; 7 pin of D2 are connected with P6SMB6.8CA pipe one end, thermistor stiff end one end respectively, and 6 pin of D2 are connected with the P6SMB6.8CA pipe other end, 485-A interface respectively, and the thermistor stiff end other end is connected with 485-B interface.
As another kind of preferred version, 23 pin of D4 described in the utility model are connected with the first Red LED1 by resistance R51,10 pin of D4 are connected with the first green light emitting diode by resistance R50,11 pin of D4 are connected with the second green light emitting diode by resistance R49, and 24 pin of D4 are connected with the second Red LED1 by resistance R48.
As another kind of preferred version, 29 pin of D4 described in the utility model are connected with resistance R26 one end, crystal oscillator one end, electric capacity C38 one end respectively, 28 pin of D4 are connected with the resistance R26 other end, the crystal oscillator other end, electric capacity C37 one end respectively, and the electric capacity C38 other end, the electric capacity C37 other end, crystal oscillator the 3rd end, ground wire are connected.
The utility model beneficial effect.
The utility model is by the cooperating of transformer, ISL3152 chip, 485 interfaces, MCU and pilot lamp, and simple to operate, easy to carry, pilot lamp intuitively indicates, and coordinates electric energy meter state directly can draw testing result.
The utility model provides a kind of hardware foundation of intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device.
The utility model technology is convenient and practical, the remote automatic acquisition finally realizing electric energy meter for power supply enterprise manages the debugging and detection means of providing convenience, effectively can find the RS485 bus failure of field apparatus simultaneously, avoid the waste of unnecessary human and material resources, thus promote the work efficiency of the O&M investigation of field maintenance person, promote the work efficiency of field adjustable personnel, finally realize the reduction of electric power enterprise O&M cost and effective lifting of profit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection domain is not only confined to the statement of following content.
Fig. 1 is that the utility model uses connection diagram.
Fig. 2 is that utility model works schematic diagram and signal move towards figure.
Fig. 3 is the utility model indicator light circuit schematic diagram.
Fig. 4 is the utility model MCU circuit theory diagrams.
Fig. 5 is the utility model power circuit principle figure.
Fig. 6 is the utility model RS485 interface circuit schematic diagram.
Embodiment
As shown in the figure, the utility model comprises transformer, ISL3152 chip, 485 interfaces, MCU and pilot lamp, the input port of its structural feature transformer is connected with civil power, the output port of transformer is connected with the input port of rectifier bridge, the output port of rectifier bridge is connected with the input port of three-terminal regulator block, the output port of three-terminal regulator block respectively with the power input port of ISL3152 chip, the power input port of MCU is connected, 485 transmit pories of ISL3152 chip are connected with 485 transmit pories of MCU, external detection signal 485 transmit port of ISL3152 chip is connected with 485 interfaces, the control signal output port of MCU is connected with pilot lamp.
Described MCU adopts SC1108004CLC chip D4, and 4,5,6 pin of D4 are corresponding with 3,4,1 pin of ISL3152 chip D2 respectively to be connected, and 3 pin of D2 are connected with 2 pin of D2, and 1 pin of D2 is connected with the output port of three-terminal regulator block by 10K resistance; 7 pin of D2 are connected with P6SMB6.8CA pipe one end, thermistor stiff end one end respectively, and 6 pin of D2 are connected with the P6SMB6.8CA pipe other end, 485-A interface respectively, and the thermistor stiff end other end is connected with 485-B interface.
23 pin of described D4 are connected with the first Red LED1 by resistance R51,10 pin of D4 are connected with the first green light emitting diode by resistance R50,11 pin of D4 are connected with the second green light emitting diode by resistance R49, and 24 pin of D4 are connected with the second Red LED1 by resistance R48.
29 pin of described D4 are connected with resistance R26 one end, crystal oscillator one end, electric capacity C38 one end respectively, 28 pin of D4 are connected with the resistance R26 other end, the crystal oscillator other end, electric capacity C37 one end respectively, and the electric capacity C38 other end, the electric capacity C37 other end, crystal oscillator the 3rd end, ground wire are connected.
The utility model traffic rate is 2400bps, even parity check, 8 bit data positions, 1 position of rest.
1) correctly reply.
Send lamp fast blink when sending message, receiving light flicker when receiving message, a byte flicker once; After receiving 645 messages of standard, 645 receiving light Chang Liang.
2) negative response.
Send lamp fast blink when sending message, if detect it is not 07 stipulations table, copy 97 stipulations.
3) there is fault in 485 buses.
Send lamp fast blink when sending message, if the communication symbol on electric energy meter liquid crystal does not glimmer, detecting device receiving light does not work, and electric energy meter does not receive message, detects that 485AB line connects instead, without table, circuit damages or hardware circuit damages.
The correctness of the message information that the utility model utilizes algorithm identification RS485 communication interface to feed back to, realizes the fault detect of electric energy meter RS485 communication interface, automatically for judging that RS485 communication interface provides simple method fast and effectively.
Below in conjunction with accompanying drawing, connection of the present utility model and the course of work are described.
As shown in Figure 1, by the utility model is connected with acquisition terminal equipment, electric energy meter or collector, utilizes algorithm realization automatically to identify and automatically realize the fault detect of electric energy meter or RS485 communication interface by the message information that RS485 communication interface feeds back to.
After the utility model equipment correct wiring, automatic operation in actual working time, according to the pilot lamp (or indicating status) on detecting device and electric energy meter, operating personnel can judge whether RS485 bus exists fault immediately.Equipment has 4 pilot lamp, sends lamp: red, LED fast blink during transmission message.Receiving light: green, LED flicker when receiving message, a byte flicker once.RS645 receiving light: green, receives LED Chang Liang after standard 645 message, extinguishes when next time sends.Running indicator: red, Chang Liang after powering on.
If RS645 is receiving light Chang Liang, illustrate that the RS485 interface of tested electric energy meter and DL/T648 message receive correct.Otherwise, the RS485 interface of tested electric energy meter or DL/T648 message existing problems.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection domain of the present utility model as long as meet.
Claims (4)
1.
intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device, comprise transformer, ISL3152 chip, 485 interfaces, MCU and pilot lamp, it is characterized in that the input port of transformer is connected with civil power, the output port of transformer is connected with the input port of rectifier bridge, the output port of rectifier bridge is connected with the input port of three-terminal regulator block, the output port of three-terminal regulator block respectively with the power input port of ISL3152 chip, the power input port of MCU is connected, 485 transmit pories of ISL3152 chip are connected with 485 transmit pories of MCU, external detection signal 485 transmit port of ISL3152 chip is connected with 485 interfaces, the control signal output port of MCU is connected with pilot lamp.
2.
intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device according to claim 1, it is characterized in that described MCU adopts SC1108004CLC chip D4,4,5,6 pin of D4 are corresponding with 3,4,1 pin of ISL3152 chip D2 respectively to be connected, 3 pin of D2 are connected with 2 pin of D2, and 1 pin of D2 is connected with the output port of three-terminal regulator block by 10K resistance; 7 pin of D2 are connected with P6SMB6.8CA pipe one end, thermistor stiff end one end respectively, and 6 pin of D2 are connected with the P6SMB6.8CA pipe other end, 485-A interface respectively, and the thermistor stiff end other end is connected with 485-B interface.
3.
intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device according to claim 2, it is characterized in that 23 pin of described D4 are connected with the first Red LED1 by resistance R51,10 pin of D4 are connected with the first green light emitting diode by resistance R50,11 pin of D4 are connected with the second green light emitting diode by resistance R49, and 24 pin of D4 are connected with the second Red LED1 by resistance R48.
4.
intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device according to claim 3, it is characterized in that 29 pin of described D4 are connected with resistance R26 one end, crystal oscillator one end, electric capacity C38 one end respectively, 28 pin of D4 are connected with the resistance R26 other end, the crystal oscillator other end, electric capacity C37 one end respectively, and the electric capacity C38 other end, the electric capacity C37 other end, crystal oscillator the 3rd end, ground wire are connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420709453.7U CN204389672U (en) | 2014-11-24 | 2014-11-24 | Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device |
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| CN201420709453.7U CN204389672U (en) | 2014-11-24 | 2014-11-24 | Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207351A (en) * | 2015-08-21 | 2015-12-30 | 武汉中网电力设备工程有限责任公司 | Smart electric meter information broadcasting method |
| CN105699931A (en) * | 2016-01-19 | 2016-06-22 | 国网河北省电力公司电力科学研究院 | Method for determining communication faults of intelligent electric energy meter |
| 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 |
| CN112687093A (en) * | 2020-10-27 | 2021-04-20 | 广东电网有限责任公司广州供电局 | Low-voltage centralized meter reading method and device |
-
2014
- 2014-11-24 CN CN201420709453.7U patent/CN204389672U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105207351A (en) * | 2015-08-21 | 2015-12-30 | 武汉中网电力设备工程有限责任公司 | Smart electric meter information broadcasting method |
| CN105207351B (en) * | 2015-08-21 | 2018-07-17 | 武汉中网电力设备工程有限责任公司 | The method that intelligent electric meter is broadcasted into row information |
| CN105699931A (en) * | 2016-01-19 | 2016-06-22 | 国网河北省电力公司电力科学研究院 | Method for determining communication faults of intelligent electric energy meter |
| CN112687093A (en) * | 2020-10-27 | 2021-04-20 | 广东电网有限责任公司广州供电局 | Low-voltage centralized meter reading method and device |
| CN112687093B (en) * | 2020-10-27 | 2022-07-08 | 广东电网有限责任公司广州供电局 | Low-voltage centralized meter reading method and device |
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