CN204789844U - A residual current detecting system for domestic intelligent power distribution system - Google Patents
A residual current detecting system for domestic intelligent power distribution system Download PDFInfo
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- CN204789844U CN204789844U CN201520411065.5U CN201520411065U CN204789844U CN 204789844 U CN204789844 U CN 204789844U CN 201520411065 U CN201520411065 U CN 201520411065U CN 204789844 U CN204789844 U CN 204789844U
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Abstract
The utility model relates to a residual current detecting system for domestic intelligent power distribution system, intelligent communication terminal and residual current detection module including wireless connection, wireless communication module, working power supply module, residual current processing module and display control unit that residual current detection module includes residual current sampling module, central control system, is connected with central control system, residual current sampling module is connected with residual current processing module, and this a residual current detecting system for domestic intelligent power distribution system passes through the intelligent communication terminal, has realized the detection that electrical apparatus leaked electricity during the user was to the family to reduced the waste of electric energy, through first paster integrated circuit's high performance, improved residual current processing module's reliability, the simple circuit design through residual current detection module simultaneously, the manufacturing cost of lowering system.
Description
Technical field
The utility model relates to a kind of residual current detection system for domestic intelligent distribution system.
Background technology
In modern society, along with the scale of community and increasing of consumer, so all add detection and management system for the systematic electricity company of community distribution; But the electricity consumption detection management equipment but lacked subscriber household.
In minority family, useful electro-detection equipment, but the unreliability of these consumers due to circuit and the complicacy of equipment wiring, virtually add the production cost of equipment and reduce practicality, causing very large restriction like this to the popularization of the distribution management equipment of family expenses.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome the deficiency of prior art production cost height and poor practicability, provides a kind of residual current detection system for domestic intelligent distribution system with real-time monitoring and control, accurately measurement function and low cost.
The utility model solves the technical scheme that its technical matters adopts: a kind of residual current detection system for domestic intelligent distribution system, comprise intelligent communication terminal and the residual current detection module of wireless connections, described residual current detection module comprises residual current sampling module, central control system, the wireless communication module be connected with central control system, working power module, residual current processing module and display control module, and described residual current sampling module is connected with residual current processing module;
Described residual current sampling module comprises residual current sample circuit, described residual current sample circuit comprises the first current transformer, first resistance, second resistance, 3rd resistance, 4th resistance, first electric capacity and the second electric capacity, described first current transformer is provided with a road and exports and road input, first output terminal of described first current transformer is by the first resistance eutral grounding, first output terminal of described first current transformer passes through the series circuit ground connection of the 3rd resistance and the first electric capacity composition, second output terminal of described first current transformer is by the second resistance eutral grounding, second output terminal of described first current transformer passes through the series circuit ground connection of the 4th resistance and the second electric capacity composition,
Described residual current processing module comprises residual current treatment circuit, described residual current treatment circuit comprises the first paster integrated circuit, 3rd electric capacity and the 4th electric capacity, the model of described first paster integrated circuit is RN8302B, 6th end of described first paster integrated circuit, 20 end, 20 one end, 29 end and the equal ground connection of the 39 end, 40 end of described first paster integrated circuit, 40 one end and the 42 end are all by the 3rd capacity earth, 40 end of described first paster integrated circuit, 40 one end and all external 3.3V DC voltage power supply of the 42 end, 27 end of described first paster integrated circuit and the 28 end are all by the 4th capacity earth, 27 end of described first paster integrated circuit and all external 3.3V DC voltage power supply of the 28 end.
Particularly, in order to improve the practicality of system, described residual current detection module comprises display, and described display is electrically connected with display control module.
Particularly, in order to improve the operability of system, described intelligent communication terminal is smart mobile phone.
Particularly, in order to improve the reliability of system, described wireless communication module adopts WIFI transmission information.
The beneficial effects of the utility model are, this residual current detection system being used for domestic intelligent distribution system passes through intelligent communication terminal, achieve the detection of user to electrical leakage in family, thus decrease the waste of electric energy, by the high-performance of the first paster integrated circuit, improve the reliability of residual current processing module, simultaneously by the simple circuit design of residual current detection module, reduce the production cost of system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the system construction drawing of the utility model for the residual current detection system of domestic intelligent distribution system;
Fig. 2 is the circuit theory diagrams of the utility model for the residual current sample circuit of the residual current detection system of domestic intelligent distribution system;
Fig. 3 is the circuit theory diagrams of the utility model for the residual current treatment circuit of the residual current detection system of domestic intelligent distribution system;
In figure: 1. intelligent communication terminal, 2. wireless communication module, 3. working power module, 4. central control system, 5. residual current processing module, 6. residual current sampling module, 7. display control module, 8. display, CT1. first current transformer, R1. the first resistance, R2. second resistance, R3. the 3rd resistance, R4. the 4th resistance, C1. first electric capacity, C2. second electric capacity, C3. the 3rd electric capacity, C4. the 4th electric capacity, U1. first paster integrated circuit.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1-Figure 3, a kind of residual current detection system for domestic intelligent distribution system, comprise intelligent communication terminal 1 and the residual current detection module of wireless connections, described residual current detection module comprises residual current sampling module 6, central control system 4, the wireless communication module 2 be connected with central control system 4, working power module 3, residual current processing module 5 and display control module 7, and described residual current sampling module 6 is connected with residual current processing module 5;
Described residual current sampling module 6 comprises residual current sample circuit, described residual current sample circuit comprises the first Current Transmit 1, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, first electric capacity C1 and the second electric capacity C2, described first Current Transmit 1 is provided with a road and exports and road input, first output terminal of described first Current Transmit 1 is by the first resistance R1 ground connection, first output terminal of described first Current Transmit 1 passes through the series circuit ground connection of the 3rd resistance R3 and the first electric capacity C1 composition, second output terminal of described first Current Transmit 1 is by the second resistance R2 ground connection, second output terminal of described first Current Transmit 1 passes through the series circuit ground connection of the 4th resistance R4 and the second electric capacity C2 composition,
Described residual current processing module 5 comprises residual current treatment circuit, described residual current treatment circuit comprises the first paster integrated circuit U1, 3rd electric capacity C3 and the 4th electric capacity C4, the model of described first paster integrated circuit U1 is RN8302B, 6th end of described first paster integrated circuit U1, 20 end, 20 one end, 29 end and the equal ground connection of the 39 end, 40 end of described first paster integrated circuit U1, 40 one end and the 42 end are all by the 3rd electric capacity C3 ground connection, 40 end of described first paster integrated circuit U1, 40 one end and all external 3.3V DC voltage power supply of the 42 end, 27 end of described first paster integrated circuit U1 and the 28 end are all by the 4th electric capacity C4 ground connection, 27 end of described first paster integrated circuit U1 and all external 3.3V DC voltage power supply of the 28 end.
Particularly, in order to improve the practicality of system, described residual current detection module comprises display 8, and described display 8 is electrically connected with display control module 7.
Particularly, in order to improve the operability of system, described intelligent communication terminal 1 is smart mobile phone.
Particularly, in order to improve the reliability of system, described wireless communication module 2 adopts WIFI transmission information.
In fact: the model of the first paster integrated circuit U1 is RN8302B, has the following advantages: in 5000:1 dynamic range, nonlinearity erron <0.1%, the accuracy requirement of 0.5S and 0.2S level active electric energy meter is met least in power-consuming in the industry, only 5mA; Pressure-wire frequency is provided; measuring error <0.02%; each phase voltage current phase angle is provided; measuring error <0.02 °; built-in 1.25VADC reference voltage, temperature coefficient representative value 5ppm/ DEG C, has high speed SPI interface; transfer rate can reach 3.5Mbps, provides writing protection function.Utilize the low-power consumption of the first paster integrated circuit U1, high measurement accuracy, high anti-jamming capacity, make residual current detection module have high dependable with function.
In fact: in residual current detection module, wireless communication module 2 is provided for residual current detection module and intelligent communication terminal 1 wireless connections; Working power module 3 provides voltage for giving residual current detection module; Residual current sampling module 6 is for sampling to the leakage current in electrical network; Residual current processing module 5 is analyzed for carrying out detection to the sample rate current information of residual current sampling module 6; Display control module 7, for showing relevant electric network information to user, improves the practicality of system; Central control system 4, for controlling modules, improves the intelligence degree of system.
Compared with prior art, this residual current detection system being used for domestic intelligent distribution system is by intelligent communication terminal 1, achieve the detection of user to electrical leakage in family, thus decrease the waste of electric energy, by the high-performance of the first paster integrated circuit U1, improve the reliability of residual current processing module 5, simultaneously by the simple circuit design of residual current detection module, reduce the production cost of system.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (4)
1. the residual current detection system for domestic intelligent distribution system, it is characterized in that, comprise intelligent communication terminal (1) and the residual current detection module of wireless connections, described residual current detection module comprises residual current sampling module (6), central control system (4), the wireless communication module (2) be connected with central control system (4), working power module (3), residual current processing module (5) and display control module (7), described residual current sampling module (6) is connected with residual current processing module (5),
Described residual current sampling module (6) comprises residual current sample circuit, described residual current sample circuit comprises the first current transformer (CT1), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), first electric capacity (C1) and the second electric capacity (C2), described first current transformer (CT1) is provided with a road and exports and road input, first output terminal of described first current transformer (CT1) is by the first resistance (R1) ground connection, the series circuit ground connection that first output terminal of described first current transformer (CT1) consists of the 3rd resistance (R3) and the first electric capacity (C1), second output terminal of described first current transformer (CT1) is by the second resistance (R2) ground connection, the series circuit ground connection that second output terminal of described first current transformer (CT1) consists of the 4th resistance (R4) and the second electric capacity (C2),
Described residual current processing module (5) comprises residual current treatment circuit, described residual current treatment circuit comprises the first paster integrated circuit (U1), 3rd electric capacity (C3) and the 4th electric capacity (C4), the model of described first paster integrated circuit (U1) is RN8302B, 6th end of described first paster integrated circuit (U1), 20 end, 20 one end, 29 end and the equal ground connection of the 39 end, 40 end of described first paster integrated circuit (U1), 40 one end and the 42 end are all by the 3rd electric capacity (C3) ground connection, 40 end of described first paster integrated circuit (U1), 40 one end and all external 3.3V DC voltage power supply of the 42 end, 27 end of described first paster integrated circuit (U1) and the 28 end are all by the 4th electric capacity (C4) ground connection, 27 end of described first paster integrated circuit (U1) and all external 3.3V DC voltage power supply of the 28 end.
2. as claimed in claim 1 for the residual current detection system of domestic intelligent distribution system, it is characterized in that, described residual current detection module comprises display (8), and described display (8) is electrically connected with display control module (7).
3., as claimed in claim 1 for the residual current detection system of domestic intelligent distribution system, it is characterized in that, described intelligent communication terminal (1) is smart mobile phone.
4. as claimed in claim 1 for the residual current detection system of domestic intelligent distribution system, it is characterized in that, described wireless communication module (2) adopts WIFI transmission information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520411065.5U CN204789844U (en) | 2015-06-15 | 2015-06-15 | A residual current detecting system for domestic intelligent power distribution system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520411065.5U CN204789844U (en) | 2015-06-15 | 2015-06-15 | A residual current detecting system for domestic intelligent power distribution system |
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| CN204789844U true CN204789844U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954575A (en) * | 2015-12-27 | 2016-09-21 | 天津市品通电力科技有限公司 | Electric power microcomputer protection circuit |
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2015
- 2015-06-15 CN CN201520411065.5U patent/CN204789844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954575A (en) * | 2015-12-27 | 2016-09-21 | 天津市品通电力科技有限公司 | Electric power microcomputer protection circuit |
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