CN203084072U - Single-pole single-phase multifunctional guide rail type electric energy meter - Google Patents
Single-pole single-phase multifunctional guide rail type electric energy meter Download PDFInfo
- Publication number
- CN203084072U CN203084072U CN 201320079498 CN201320079498U CN203084072U CN 203084072 U CN203084072 U CN 203084072U CN 201320079498 CN201320079498 CN 201320079498 CN 201320079498 U CN201320079498 U CN 201320079498U CN 203084072 U CN203084072 U CN 203084072U
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- energy meter
- circuit
- electric energy
- guide rail
- rail type
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Abstract
The utility model provides a single-pole single-phase multifunctional guide rail type electric energy meter, which comprises an electric energy meter body, wherein the electric energy meter body is respectively provided with a live line incoming and outgoing hole and a zero line incoming and outgoing hole; the back surface of the electric energy meter body adopts a DIN35mm guide rail type installation structure; the electric energy meter body is also provided with a communication interface; the communication interface adopts an RS485 interface; a control panel is arranged in the electric energy meter body; the control panel comprises a sampling circuit, a chip, a power supply circuit used for providing a power supply and a display circuit, wherein the sampling circuit is successively connected with the chip and the display circuit; the chip adopts MSP430FE427; the control panel is also provided with a communication circuit used for communicating junction; the communication circuit is connected with the communication interface; and the communication circuit adopts an RS485 communication circuit. According to the single-pole single-phase multifunctional guide rail type electric energy meter disclosed by the utility model, the RS485 communication network and an upper computer are adopted for realizing remote monitoring, and the human resource waste caused by human meter reading is avoided.
Description
Technical field
The utility model relates to a kind of miniature single-phase guide rail type electrical energy meter, is specifically related to a kind of one pole single-phase multifunctional guide rail type electrical energy meter.
Background technology
Along with rapid development of economy, all trades and professions are increasing to the demand of electricity, and electric power resource is in short supply and the unbalanced phenomenon of different time power consumption is still serious.Be to alleviate the sharp-pointed day by day imbalance between power supply and demand of China, improve that electricity consumption is unbalanced, the power consumption of advocating thriftiness, improve the power consumption efficiency in the whole nation, rationally utilize electric power resource to become one of current fundamental state policy of building a harmonious society.
Microminiaturized guide rail type electrical energy meter is because volume size is less, be used for the monitoring of the consumption of the active energy that the single-phase AC electrical network loads, because its volume is little, in light weight, structural moduleization, can be used with miniature circuit breaker and be installed in the panel box, realize terminal distribution electric energy metrical, so widespread use and family's electric weight monitoring, mostly the miniature guide rail type electrical energy meter of Chu Shouing is and can not networks with host computer in the market, realize the function of remote monitoring, need manpower to go to check meter more.
The utility model content
In order to solve the deficiency of above-mentioned technology, the purpose of this utility model provides a kind of one pole single-phase multifunctional guide rail type electrical energy meter, and it has solved miniature in the past guide rail type electrical energy meter because the too small deficiency that communication module can't be set of volume.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of one pole single-phase multifunctional guide rail type electrical energy meter, it comprises the electric energy meter body, be respectively equipped with live wire wire inlet-outlet and zero line wire inlet-outlet on the described electric energy meter body, the guide tracked mounting structure of DIN35mm is adopted in described electric energy meter body back, also be provided with communication interface on the described electric energy meter body, described communication interface adopts the RS485 interface, described electric energy meter body interior is provided with control panel, described control panel comprises sample circuit, chip, be used to provide the power circuit and the display circuit of power supply, described sample circuit successively with chip, display circuit connects, described chip adopts MSP430FE427, described control panel also is provided with and is used for the telecommunication circuit that communication connects, described telecommunication circuit is connected with communication interface, and described telecommunication circuit adopts the RS485 communicating circuit.
Described sample circuit comprises voltage sampling circuit and current sampling circuit.
Described power circuit comprises the reduction voltage circuit and the mu balanced circuit of the employing safety electric capacity formation that connects successively.
Described display circuit comprises 5+1 position step-tube counter or 7 LCD.
Described control panel is provided with the pulse indicating circuit that is used for the electrical energy pulse indication.
Described electric energy meter body interior is provided with the eeprom memory that is used to store Monitoring Data, and described eeprom memory is connected with chip.
The beneficial effects of the utility model are, adopt RS485 communication network and host computer realization remote monitoring, the waste of manpower resource of avoiding manpower to check meter causing.
Description of drawings
Fig. 1 is a logical schematic of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Referring to Fig. 1, the utility model comprises the electric energy meter body, comprise the electric energy meter body, be respectively equipped with live wire wire inlet-outlet and zero line wire inlet-outlet on the described electric energy meter body, the guide tracked mounting structure of DIN35mm is adopted in described electric energy meter body back, also be provided with communication interface 9 on the described electric energy meter body, described communication interface 9 adopts the RS485 interface, described electric energy meter body interior is provided with control panel, described control panel comprises sample circuit 3, chip 2, be used to provide the power circuit 1 and the display circuit 6 of power supply, described sample circuit 3 successively with chip 2, display circuit 6 connects, described chip 2 adopts MSP430FE427, described control panel also is provided with and is used for the telecommunication circuit 4 that communication connects, and described telecommunication circuit 4 is connected with communication interface 9, and described telecommunication circuit 4 adopts the RS485 communicating circuit.By being arranged on the communication interface 9 on the electric energy meter body, carry out wired connection with host computer, realize that electric energy meter is connected with the long-range of host computer, the detection data of electric energy meter are arrived host computer by Network Transmission, reach the effect of remote monitoring.
Described chip 2 adopts MSP430FE427, it is the AD converter that this chip 2 has SD16, low-power consumption, 128 section charactron liquid crystal drive, the function of simultaneously integrated electric energy metrical and the function of frequency divider have reduced the component number of peripheral circuit, make the control panel can miniaturization, thereby the volume of electric energy meter is reduced, and MSP430FE427 can satisfy the basic function demand of electric energy meter simultaneously.The data that sample circuit 3 is gathered can be converted to energy data, and realize data presentation by direct-connected display circuit 6.
Described sample circuit 3 comprises voltage sampling circuit 32 and current sampling circuit 31.By the voltage and current of voltage and current sample circuit difference acquisition stream, and respectively detected data are input to chip 2, are implemented in demonstration on the display circuit 6 by chip 2 through electric energy meter.
Described power circuit 1 comprises the reduction voltage circuit 11 and the mu balanced circuit 12 of the employing safety electric capacity formation that connects successively.Reduction voltage circuit 11 realizes that by the safety electric capacity that is connected in the reduction voltage circuit 11 input voltage 220V is reduced to the operating voltage that meets mu balanced circuit 12, described safety electric capacity can bear 270V voltage, guarantee that this safety electric capacity can not be transfused to voltage and puncture in circuit, by the security that guarantees mu balanced circuit 12 that discharges and recharges of safety electric capacity, the output voltage of mu balanced circuit 12 is used for providing operating voltage to the utility model simultaneously.
Described display circuit 6 comprises 5+1 position step-tube counter or 7 LCD.Display circuit 6 can adopt 7 LCD, is connected with the direct of 7 LCD by chip 2, realizes data presentation, perhaps adopts stepper motor receiving chip 2 output pulse signals, control 5+1 position step-by-step counter counting.
Described control panel is provided with the pulse indicating circuit 7 that is used for the electrical energy pulse indication, and described pulse indicating circuit 7 adopts light emitting diode, as the indicative function of output pulse signal.
Described electric energy meter body interior is provided with the eeprom memory 5 that is used to store Monitoring Data, and described eeprom memory 5 is connected with chip 2, adopts EPPROM storer 5, can realize the storage of electric energy meter monitor data, and convenient calling later checked.
The circuit that the utility model adopted is electronic applications circuit commonly used, so be not described in detail.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (6)
1. one pole single-phase multifunctional guide rail type electrical energy meter, it comprises the electric energy meter body, be respectively equipped with live wire wire inlet-outlet and zero line wire inlet-outlet on the described electric energy meter body, the guide tracked mounting structure of DIN35mm is adopted in described electric energy meter body back, it is characterized in that: also be provided with communication interface (9) on the described electric energy meter body, described communication interface (9) adopts the RS485 interface, described electric energy meter body interior is provided with control panel, described control panel comprises sample circuit (3), chip (2), be used to provide the power circuit (1) and the display circuit (6) of power supply, described sample circuit (3) successively with chip (2), display circuit (6) connects, described chip (2) adopts MSP430FE427, described control panel also is provided with and is used for the telecommunication circuit (4) that communication connects, described telecommunication circuit (4) is connected with communication interface (9), and described telecommunication circuit (4) adopts the RS485 communicating circuit.
2. one pole single-phase multifunctional guide rail type electrical energy meter according to claim 1 is characterized in that, described sample circuit (3) comprises voltage sampling circuit (32) and current sampling circuit (31).
3. one pole single-phase multifunctional guide rail type electrical energy meter according to claim 1 is characterized in that, described power circuit (1) comprises the reduction voltage circuit (11) and the mu balanced circuit (12) of the employing safety electric capacity formation that connects successively.
4. one pole single-phase multifunctional guide rail type electrical energy meter according to claim 1 is characterized in that, described display circuit (6) comprises 5+1 position step-tube counter or 7 LCD.
5. one pole single-phase multifunctional guide rail type electrical energy meter according to claim 1 is characterized in that, described control panel is provided with the pulse indicating circuit (7) that is used for the electrical energy pulse indication.
6. one pole single-phase multifunctional guide rail type electrical energy meter according to claim 1 is characterized in that, described electric energy meter body interior is provided with the eeprom memory (5) that is used to store Monitoring Data, and described eeprom memory (5) is connected with chip (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079498 CN203084072U (en) | 2013-02-21 | 2013-02-21 | Single-pole single-phase multifunctional guide rail type electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079498 CN203084072U (en) | 2013-02-21 | 2013-02-21 | Single-pole single-phase multifunctional guide rail type electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084072U true CN203084072U (en) | 2013-07-24 |
Family
ID=48829897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320079498 Expired - Lifetime CN203084072U (en) | 2013-02-21 | 2013-02-21 | Single-pole single-phase multifunctional guide rail type electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221122A (en) * | 2019-07-17 | 2019-09-10 | 吴天凤 | The intelligent electric energy meter |
-
2013
- 2013-02-21 CN CN 201320079498 patent/CN203084072U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221122A (en) * | 2019-07-17 | 2019-09-10 | 吴天凤 | The intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |