CN201926690U - Single-phase electronic type carrier wave multiple-rate valve control electric energy meter - Google Patents
Single-phase electronic type carrier wave multiple-rate valve control electric energy meter Download PDFInfo
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- CN201926690U CN201926690U CN2010206976857U CN201020697685U CN201926690U CN 201926690 U CN201926690 U CN 201926690U CN 2010206976857 U CN2010206976857 U CN 2010206976857U CN 201020697685 U CN201020697685 U CN 201020697685U CN 201926690 U CN201926690 U CN 201926690U
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Abstract
The utility model relates to a single-phase electronic type carrier wave multiple-rate valve control electric energy meter, which mainly comprises an electric energy metering part circuit, a relay control circuit, a singlechip interface circuit, an infrared communication circuit, a carrier wave part circuit and the like. When the electric energy meter works, voltage and current are respectively sampled by a sampling circuit and then sent to a CPU (central processing unit) to be processed after being multiplied by an electric energy processing special integrated circuit, processed data is stored by the CPU and is sent to a display part, a communication part and other output devices according to the needs, and a relay is controlled to be switched on and off according to the needs. The electric energy meter disclosed by the utility model has the functions of long-distance power failure and long-distance power transmission.
Description
Technical field
The utility model relates to a kind of electric power meter, is specifically related to a kind of many rates of electronic single-phase carrier wave valve control electric energy meter.
Background technology
At present, in electric system, the electric power summation of all kinds of consumer consumption of a certain moment is called electric load.Electric load is to change in time, available day (or year) load curve is described, when electric load rolls up, can form the load peak of electrical network, and when electric load reduces in a large number, can form the electric load low ebb again, when the difference of peak value on the load curve and valley is very big, can make send out, the capacity of power-supply unit can not make full use of, and moves uneconomical.The many electrical networks of China are at load during the peak, often power cuts to limit consumption; When load valley, then waste seriously, cause the hydroelectric power plant to abandon water in a large number, the long-time underrun of thermal power plant.Electric company needs to check ammeter to every household that the waste of manpower resource when subscriber arrearage, also needs manually to arrive user house, cuts off the power supply when carrying out electric quantity acquisition.
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 compact conformation, reasonable in design is provided, many rates of electronic single-phase carrier wave valve control electric energy meter of reliable operation.
In order to achieve the above object, the technical solution adopted in the utility model is: by the electric energy metrical partial circuit, control relay circuit, the interface microcontroller circuit, the infrared communication circuit, carrier current channel 5 is formed, described electric energy metrical partial circuit one end is connected with loaded line, the other end is connected with the interface microcontroller circuit is unidirectional, the interface microcontroller circuit is connected with control relay circuit is unidirectional, carry out two-way the connection respectively with carrier current channel with the infrared communication circuit, described electric energy metrical partial circuit comprises current sampling unit U5, U6 and voltage sample unit R 11-R17, described control relay circuit comprises triode Q1-Q4, resistance R 40-R45, Z3 and relay R EALAY1, triode Q1-Q4 is connected in series, its base stage is connected with resistance R 40-R45 respectively, Z3 and relay R EALAY1 are serially connected between the triode Q1-Q4, described interface microcontroller circuit comprises CPU CPU (central processing unit) U5, described infrared communication circuit comprises resistance R 34, resistance R 37, infrared joint U8, C48, resistance R 70, resistance R 74, resistance R 75, triode Q16 and HL1, the VCC of wherein infrared joint U8 joins by the output terminal ROUT of resistance R 37 with infrared joint U8, and join with power vd D by resistance R 34, ground connection behind the output terminal ROUT serial connection C48 of infrared joint U8, the GND ground connection of infrared joint U8, the base stage of triode Q16 is connected in series with resistance R 70, ground connection behind the emitter serial connection HL1 of triode Q16, its collector of triode Q16 and connecting resistance R74 and resistance R 75 backs join with power vd D, and described carrier current channel comprises U16.
The utility model has the advantages that:
1. timesharing active energy metering (reverse power counts the forward electric energy) can be stored 3 months electric weight, and the data conversion storage boundary time can be in 1～28 day arbitrarily during appointed date (automatic data logging day) any, when default setting is 1 day every month zero (unloading at the end of month);
2. clocking capability: built-in hardware clock has calendar, timing and leap year function automatically;
3. Presentation Function: the running status, the various parameter that show ammeter by LCD are provided with situation and various continuous data;
4. communication function: have carrier communication interface and infrared communication interface, can realize remote concentrated ammeter reading;
5. many rates function: able to programme 4 kinds of rates, 8 periods are set, electric energy are counted in the different rates according to the current time;
6. load controlling function: when continuous 5 minutes of customer charge greater than the load of setting, ammeter cuts off the power supply automatically, automatic closing after 5 minutes;
7. remote control function: possess the long-range electric work energy that breaks, send.
The utility model compact conformation, reasonable in design, adopt advanced electric energy metrical special chip, with designed in conjunction the forming of many rates technology of maturation, Applied Digital sampling processing technology and SMT technology,, the electric energy instrument made designed according to the actual electricity consumption situation of resident.
This table can be realized time-sharing measurement, sets day automatic unloading data, and palm PC or PC are programmed and checked meter functions such as LCD demonstration.This table can carry out 4 kinds of rates, 12 table number settings, many rates mode of the difference of 1～8 period configuration, and have the power test pulse output function and Long-distance Control is forfeited the electric work energy.Can carry out infrared communication or carrier communication by palm PC or PC, finish programming and be provided with and check meter; Also can be by the infrared manual metering of finishing.
Description of drawings
Fig. 1 is the utility model principle schematic;
Fig. 2 is the utility model electric energy metrical partial circuit figure;
Fig. 3 is the utility model control relay circuit figure;
Fig. 4 is the utility model interface microcontroller circuit diagram;
Fig. 5 is the utility model infrared communication circuit diagram;
Fig. 6 is the utility model carrier current channel figure.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
By Fig. 1-Fig. 6 as can be known, the utility model is by electric energy metrical partial circuit 1, control relay circuit 2, interface microcontroller circuit 3, infrared communication circuit 4, carrier current channel 5 is formed, described electric energy metrical partial circuit 1 one ends are connected with loaded line, the other end and 3 unidirectional connections of interface microcontroller circuit, interface microcontroller circuit 3 and 2 unidirectional connections of control relay circuit, carry out two-way the connection respectively with carrier current channel 5 with infrared communication circuit 4, described electric energy metrical partial circuit 1 comprises current sampling unit U5, U6 (6) and voltage sample unit R 11-R17 (7), described control relay circuit 2 comprises triode Q1-Q4 (8), resistance R 40-R45 (9), Z3 (10) and relay R EALAY1 (11), triode Q1-Q4 (8) is connected in series, its base stage is connected with resistance R 40-R45 (9) respectively, Z3 (10) and relay R EALAY1 (11) are serially connected between the triode Q1-Q4 (8), described interface microcontroller circuit (3) comprises CPU CPU (central processing unit) U5 (12), described infrared communication circuit (4) comprises resistance R 34 (13), resistance R 37 (14), infrared joint U8 (15), C48 (16), resistance R 70 (17), resistance R 74 (18), resistance R 75 (19), triode Q16 (20) and HL1 (21), the VCC of wherein infrared joint U8 (15) joins by the output terminal ROUT of resistance R 37 (14) with infrared joint U8 (15), and join with power vd D by resistance R 34 (13), output terminal ROUT serial connection C48 (16) the back ground connection of infrared joint U8 (15), the GND ground connection of infrared joint U8 (15), the base stage of triode Q16 (20) is connected in series with resistance R 70 (17), emitter serial connection HL1 (21) the back ground connection of triode Q16 (20), its collector of triode Q16 (20) and connecting resistance R74 (18) and resistance R 75 (19) backs join with power vd D, and described carrier current channel 5 comprises U16 (22).
The current sampling signal sampling enters 5,6 pin of electric energy computation chip U9 through resistance R 18, resistance R 17, voltage sampling signal enters 7,8 pin of electric energy computation chip U9 through resistor network, electric energy computation chip U9 is converted into digital pulse signal with electric power signal and passes to CPU CPU (central processing unit) U5 (12) by U1 after electric current, voltage signal are carried out integration.
During electric energy meter work, with voltage, electric current after sample circuit is taken a sample respectively, handle special IC after multiplying by electric energy, delivering to CPU handles, at last, CPU stores data processed, delivers to display part, the communication section output device that grades as required, and CPU carries out breaker tripping and closing control to relay as required.
Claims (2)
1. many rates of electronic single-phase carrier wave valve control electric energy meter, comprise single-chip microcomputer, it is characterized in that: by electric energy metrical partial circuit (1), control relay circuit (2), interface microcontroller circuit (3), infrared communication circuit (4), carrier current channel (5) is formed, described electric energy metrical partial circuit (1) one end is connected with loaded line, the other end and unidirectional connection of interface microcontroller circuit (3), interface microcontroller circuit (3) and unidirectional connection of control relay circuit (2), carry out two-way the connection respectively with carrier current channel (5) with infrared communication circuit (4), described electric energy metrical partial circuit (1) comprises current sampling unit U5, U6 (6) and voltage sample list R11-R17 (7), described control relay circuit (2) comprises triode Q1-Q4 (8), resistance R 40-R45 (9), Z3 (10) and relay R EALAY1 (11), triode Q1-Q4 (8) is connected in series, its base stage is connected with resistance R 40-R45 (9) respectively, Z 3 (10) and relay R EALAY1 (11) are serially connected between the triode Q1-Q4 (8), described interface microcontroller circuit (3) comprises CPU CPU (central processing unit) U5 (12), described infrared communication circuit (4) comprises resistance R 34 (13), resistance R 37 (14), infrared joint U8 (15), C48 (16), resistance R 70 (17), resistance R 74 (18), resistance R 75 (19), triode Q16 (20) and HL1 (21), the VCC of wherein infrared joint U8 (15) joins by the output terminal ROUT of resistance R 37 (14) with infrared joint U8 (15), and join with power vd D by resistance R 34 (13), output terminal ROUT serial connection C48 (16) the back ground connection of infrared joint U8 (15), the GND ground connection of infrared joint U8 (15), the base stage of triode Q16 (20) is connected in series with resistance R 70 (17), emitter serial connection HL1 (21) the back ground connection of triode Q16 (20), its collector of triode Q16 (20) and connecting resistance R74 (18) and resistance R 75 (19) backs join with power vd D, and described carrier current channel (5) comprises U16 (22).
2. many rates of electronic single-phase carrier wave valve control electric energy meter according to claim 1, it is characterized in that: the current sampling signal sampling enters 5,6 pin of electric energy computation chip U9 through resistance R 18, resistance R 17, voltage sampling signal enters 7,8 pin of electric energy computation chip U9 through resistor network, electric energy computation chip U9 is converted into digital pulse signal with electric power signal and passes to CPU CPU (central processing unit) U5 (12) by U1 after electric current, voltage signal are carried out integration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206976857U CN201926690U (en) | 2010-12-31 | 2010-12-31 | Single-phase electronic type carrier wave multiple-rate valve control electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206976857U CN201926690U (en) | 2010-12-31 | 2010-12-31 | Single-phase electronic type carrier wave multiple-rate valve control electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926690U true CN201926690U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206976857U Expired - Fee Related CN201926690U (en) | 2010-12-31 | 2010-12-31 | Single-phase electronic type carrier wave multiple-rate valve control electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145187A (en) * | 2012-02-29 | 2014-11-12 | 萨基姆通讯能源及电信联合股份公司 | Electrical energy meter and method for detecting the state of a circuit breaker of an apparatus connected to said meter |
-
2010
- 2010-12-31 CN CN2010206976857U patent/CN201926690U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145187A (en) * | 2012-02-29 | 2014-11-12 | 萨基姆通讯能源及电信联合股份公司 | Electrical energy meter and method for detecting the state of a circuit breaker of an apparatus connected to said meter |
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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: 20110810 Termination date: 20171231 |