CN204243908U - A kind of electric instrument Fieldbus Intelligent Selected Inspection device - Google Patents
A kind of electric instrument Fieldbus Intelligent Selected Inspection device Download PDFInfo
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- CN204243908U CN204243908U CN201420759839.9U CN201420759839U CN204243908U CN 204243908 U CN204243908 U CN 204243908U CN 201420759839 U CN201420759839 U CN 201420759839U CN 204243908 U CN204243908 U CN 204243908U
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Abstract
The utility model provides a kind of electric instrument Fieldbus Intelligent Selected Inspection device, comprise power supply, MCU control circuit, RS485 input circuit, RS485 output circuit and faulty indication LED array, the described output of RS485 input circuit is connected with the input of MCU control circuit, the output of described MCU control circuit is connected with RS485 output circuit, described power supply is connected with MCU control circuit with RS485 input circuit, and described MCU control circuit is also connected with faulty indication LED array.By by intelligent cell fractional analysis, respectively any smart machine data in group are detected, and data are carried out the mode gathering uniform packing transmission, thus achieve local device talk network monitoring, the accident defect of Timeliness coverage equipment, and by the position that the mode indication fault unit of sound and light alarm exists, facilitate operations staff to search problem in time equipment, timely handling failure defect.
Description
Technical field
The utility model belongs to field of power detection, especially relates to a kind of electric instrument Fieldbus Intelligent Selected Inspection device.
Background technology
Electric instrument Fieldbus Intelligent Selected Inspection device to be mainly used in electric power system in each low-voltage equipment, in secondary network, low-voltage equipment is generally many, it is all often the mode by data/address bus, each intelligent cell is connected in parallel, if any one node occurs abnormal, such as communicating interrupt, the problems such as data exception, all can affect the operating state of whole system, exception is quoted in background monitoring, but search and bother very much, because be subject to the restriction of environment and number of devices installation site, be difficult to lock fault point efficiently, there is the problem that staff could not process and solve accident defect in time.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of electric instrument Fieldbus Intelligent Selected Inspection device that can solve accident defect in time.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of electric instrument Fieldbus Intelligent Selected Inspection device, comprise power supply, MCU control circuit, RS485 input circuit, faulty indication LED array when RS485 output circuit and unit exception, the described output of RS485 input circuit is connected with the input of MCU control circuit, the output of described MCU control circuit is connected with RS485 output circuit, described power supply is connected with MCU control circuit with RS485 input circuit, for its power supply, described MCU control circuit is also connected with faulty indication LED array, when equipment occurs abnormal, shown by the mode of LED, operations staff is facilitated to search problem in time equipment, timely handling failure defect.
Further, the chip model of described MCU control circuit is PIC18F45K80.
Further, described RS485 input circuit comprises optocoupler U1, optocoupler U2, with door and 485 chip U3, described 485 chip models are SP485R, 1st pin of described 485 chip U3 is connected with the input of door with described, describedly to be connected with the input negative terminal of optocoupler U1 with the output of door, the input anode of described optocoupler U1 meets VCC by resistance R2, the output plus terminal of described optocoupler U1 exports RX1 signal, 2nd pin of described 485 chip U3 divides two-way, resistance R6 of leading up to meets VCC, another road is connected with the collector electrode of triode Q1, the base stage of described triode Q1 connects the output plus terminal of described optocoupler U2 by resistance R4, the input anode of described optocoupler U2 meets VCC by resistance R5, the input negative terminal of described optocoupler U2 connects TX1 signal, 6th pin of described 485 chip U3 and the 7th pin are respectively by bi-directional voltage stabilizing diode D2 and bi-directional voltage stabilizing diode D1 ground connection, parallel resistance R7 between the 6th pin and the 7th pin of described 485 chip U3, 6th pin of described 485 chip U3 is connected with the 2nd pin of socket P1 by fuse F2, 7th pin of described 485 chip U3 is connected with the 1st pin of socket P1 by fuse F1.
Further, described RS485 output circuit comprises optocoupler U1, optocoupler U2, with door and 485 chip U3, described 485 chip models are SP485R, 1st pin of described 485 chip U3 is connected with the input of door with described, describedly to be connected with the input negative terminal of optocoupler U1 with the output of door, the input anode of described optocoupler U1 meets VCC by resistance R2, the output plus terminal of described optocoupler U1 exports RX2 signal, 2nd pin of described 485 chip U3 divides two-way, resistance R6 of leading up to meets VCC, another road is connected with the collector electrode of triode Q1, the base stage of described triode Q1 connects the output plus terminal of described optocoupler U2 by resistance R4, the input anode of described optocoupler U2 meets VCC by resistance R5, the input negative terminal of described optocoupler U2 connects TX2 signal, 6th pin of described 485 chip U3 and the 7th pin are respectively by bi-directional voltage stabilizing diode D4 and bi-directional voltage stabilizing diode D3 ground connection, parallel resistance R7 between the 6th pin and the 7th pin of described 485 chip U3, 6th pin of described 485 chip U3 is connected with the 2nd pin of socket P1 by fuse F4, 7th pin of described 485 chip U3 is connected with the 1st pin of socket P1 by fuse F3.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, by by intelligent cell fractional analysis, respectively any smart machine data in group are detected, and data are carried out the mode gathering uniform packing transmission, thus achieve local device talk network monitoring, the accident defect of Timeliness coverage equipment, and by position that the mode indication fault unit of sound and light alarm exists, operations staff is facilitated to search problem in time equipment, timely handling failure defect.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the circuit diagram of MCU control circuit in the utility model;
Fig. 3 is the circuit diagram of RS485 input circuit in the utility model;
Fig. 4 is the circuit diagram of RS485 output circuit in the utility model;
Fig. 5 is the circuit diagram of faulty indication LED array in the utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Fig. 1 to 5, a kind of electric instrument Fieldbus Intelligent Selected Inspection device, comprise power supply, MCU control circuit, RS485 input circuit, faulty indication LED array when RS485 output circuit and unit exception, the described output of RS485 input circuit is connected with the input of MCU control circuit, the output of described MCU control circuit is connected with RS485 output circuit, described power supply is connected with MCU control circuit with RS485 input circuit, for its power supply, described MCU control circuit is also connected with faulty indication LED array, when equipment occurs abnormal, shown by the mode of LED, operations staff is facilitated to search problem in time equipment, timely handling failure defect, the chip model of described MCU control circuit is PIC18F45K80.
As shown in Figure 3, described RS485 input circuit comprises optocoupler U1, optocoupler U2, with door and 485 chip U3, described 485 chip models are SP485R, 1st pin of described 485 chip U3 is connected with the input of door with described, describedly to be connected with the input negative terminal of optocoupler U1 with the output of door, the input anode of described optocoupler U1 meets VCC by resistance R2, the output plus terminal of described optocoupler U1 exports RX1 signal, 2nd pin of described 485 chip U3 divides two-way, resistance R6 of leading up to meets VCC, another road is connected with the collector electrode of triode Q1, the base stage of described triode Q1 connects the output plus terminal of described optocoupler U2 by resistance R4, the input anode of described optocoupler U2 meets VCC by resistance R5, the input negative terminal of described optocoupler U2 connects TX1 signal, 6th pin of described 485 chip U3 and the 7th pin are respectively by bi-directional voltage stabilizing diode D2 and bi-directional voltage stabilizing diode D1 ground connection, parallel resistance R7 between the 6th pin and the 7th pin of described 485 chip U3, 6th pin of described 485 chip U3 is connected with the 2nd pin of socket P1 by fuse F2, 7th pin of described 485 chip U3 is connected with the 1st pin of socket P1 by fuse F1.
As shown in Figure 4, described RS485 output circuit comprises optocoupler U1, optocoupler U2, with door and 485 chip U3, described 485 chip models are SP485R, 1st pin of described 485 chip U3 is connected with the input of door with described, describedly to be connected with the input negative terminal of optocoupler U1 with the output of door, the input anode of described optocoupler U1 meets VCC by resistance R2, the output plus terminal of described optocoupler U1 exports RX2 signal, 2nd pin of described 485 chip U3 divides two-way, resistance R6 of leading up to meets VCC, another road is connected with the collector electrode of triode Q1, the base stage of described triode Q1 connects the output plus terminal of described optocoupler U2 by resistance R4, the input anode of described optocoupler U2 meets VCC by resistance R5, the input negative terminal of described optocoupler U2 connects TX2 signal, 6th pin of described 485 chip U3 and the 7th pin are respectively by bi-directional voltage stabilizing diode D4 and bi-directional voltage stabilizing diode D3 ground connection, parallel resistance R7 between the 6th pin and the 7th pin of described 485 chip U3, 6th pin of described 485 chip U3 is connected with the 2nd pin of socket P1 by fuse F4, 7th pin of described 485 chip U3 is connected with the 1st pin of socket P1 by fuse F3.
During use, by intelligent cell fractional analysis, respectively any smart machine data in group are detected, by RS485 input circuit, data are sent to MCU, MCU is transmitted data by RS485 output circuit after data analysis, when discovering device fault, MCU controls faulty indication LED array and reports to the police.Adopt the mode of carrying out data gathering uniform packing and sending, thus achieve local device talk network monitoring, the accident defect of Timeliness coverage equipment, and by position that the mode indication fault unit of sound and light alarm exists.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (4)
1. an electric instrument Fieldbus Intelligent Selected Inspection device, it is characterized in that: comprise faulty indication LED array when power supply, MCU control circuit, RS485 input circuit, RS485 output circuit and unit exception, the described output of RS485 input circuit is connected with the input of MCU control circuit, the output of described MCU control circuit is connected with RS485 output circuit, described power supply is connected with MCU control circuit with RS485 input circuit, and described MCU control circuit is also connected with faulty indication LED array.
2. a kind of electric instrument Fieldbus Intelligent Selected Inspection device according to claim 1, is characterized in that: the chip model of described MCU control circuit is PIC18F45K80.
3. a kind of electric instrument Fieldbus Intelligent Selected Inspection device according to claim 1, it is characterized in that: described RS485 input circuit comprises optocoupler U1, optocoupler U2, with door and 485 chip U3, described 485 chip models are SP485R, 1st pin of described 485 chip U3 is connected with the input of door with described, describedly to be connected with the input negative terminal of optocoupler U1 with the output of door, the input anode of described optocoupler U1 meets VCC by resistance R2, the output plus terminal of described optocoupler U1 exports RX1 signal, 2nd pin of described 485 chip U3 divides two-way, resistance R6 of leading up to meets VCC, another road is connected with the collector electrode of triode Q1, the base stage of described triode Q1 connects the output plus terminal of described optocoupler U2 by resistance R4, the input anode of described optocoupler U2 meets VCC by resistance R5, the input negative terminal of described optocoupler U2 connects TX1 signal, 6th pin of described 485 chip U3 and the 7th pin are respectively by bi-directional voltage stabilizing diode D2 and bi-directional voltage stabilizing diode D1 ground connection, parallel resistance R7 between the 6th pin and the 7th pin of described 485 chip U3, 6th pin of described 485 chip U3 is connected with the 2nd pin of socket P1 by fuse F2, 7th pin of described 485 chip U3 is connected with the 1st pin of socket P1 by fuse F1.
4. a kind of electric instrument Fieldbus Intelligent Selected Inspection device according to claim 1 or 3, it is characterized in that: described RS485 output circuit comprises optocoupler U1, optocoupler U2, with door and 485 chip U3, described 485 chip models are SP485R, 1st pin of described 485 chip U3 is connected with the input of door with described, describedly to be connected with the input negative terminal of optocoupler U1 with the output of door, the input anode of described optocoupler U1 meets VCC by resistance R2, the output plus terminal of described optocoupler U1 exports RX2 signal, 2nd pin of described 485 chip U3 divides two-way, resistance R6 of leading up to meets VCC, another road is connected with the collector electrode of triode Q1, the base stage of described triode Q1 connects the output plus terminal of described optocoupler U2 by resistance R4, the input anode of described optocoupler U2 meets VCC by resistance R5, the input negative terminal of described optocoupler U2 connects TX2 signal, 6th pin of described 485 chip U3 and the 7th pin are respectively by bi-directional voltage stabilizing diode D4 and bi-directional voltage stabilizing diode D3 ground connection, parallel resistance R7 between the 6th pin and the 7th pin of described 485 chip U3, 6th pin of described 485 chip U3 is connected with the 2nd pin of socket P1 by fuse F4, 7th pin of described 485 chip U3 is connected with the 1st pin of socket P1 by fuse F3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759839.9U CN204243908U (en) | 2014-12-04 | 2014-12-04 | A kind of electric instrument Fieldbus Intelligent Selected Inspection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420759839.9U CN204243908U (en) | 2014-12-04 | 2014-12-04 | A kind of electric instrument Fieldbus Intelligent Selected Inspection device |
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| CN204243908U true CN204243908U (en) | 2015-04-01 |
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| CN201420759839.9U Expired - Fee Related CN204243908U (en) | 2014-12-04 | 2014-12-04 | A kind of electric instrument Fieldbus Intelligent Selected Inspection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104850058A (en) * | 2015-05-26 | 2015-08-19 | 常州机电职业技术学院 | 485 communication adapter of electronic handwheel of numerical control machine |
| CN105720683A (en) * | 2014-12-04 | 2016-06-29 | 天津市品通电力科技有限公司 | Device for intelligently selecting and inspecting onsite bus of electric power meter |
| CN114545076A (en) * | 2022-02-28 | 2022-05-27 | 无锡市恒通电器有限公司 | Single-phase guide rail type intelligent electric energy meter supporting index management |
-
2014
- 2014-12-04 CN CN201420759839.9U patent/CN204243908U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720683A (en) * | 2014-12-04 | 2016-06-29 | 天津市品通电力科技有限公司 | Device for intelligently selecting and inspecting onsite bus of electric power meter |
| CN104850058A (en) * | 2015-05-26 | 2015-08-19 | 常州机电职业技术学院 | 485 communication adapter of electronic handwheel of numerical control machine |
| CN114545076A (en) * | 2022-02-28 | 2022-05-27 | 无锡市恒通电器有限公司 | Single-phase guide rail type intelligent electric energy meter supporting index management |
| CN114545076B (en) * | 2022-02-28 | 2023-12-05 | 无锡市恒通电器有限公司 | Single-phase guide rail type intelligent electric energy meter supporting index management |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20191204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |