CN201352227Y - Single-phase time-sharing multiple rate electric energy meter - Google Patents
Single-phase time-sharing multiple rate electric energy meter Download PDFInfo
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- CN201352227Y CN201352227Y CNU2009201321377U CN200920132137U CN201352227Y CN 201352227 Y CN201352227 Y CN 201352227Y CN U2009201321377 U CNU2009201321377 U CN U2009201321377U CN 200920132137 U CN200920132137 U CN 200920132137U CN 201352227 Y CN201352227 Y CN 201352227Y
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- sampling device
- electric energy
- energy meter
- mcu controller
- metering units
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Abstract
The utility model discloses a single-phase time-sharing multiple rate electric energy meter which comprises: an MCU controller, an LCD display and a metering unit which are respectively connected with the MCU controller, a voltage sampling device and a current sampling device which are connected with the metering unit, and a main power supply connected with the voltage sampling device and the metering unit respectively; and the metering unit is provided with a time-sharing multiple rate calculating module which carries out sectional rate-dividing processing to a sampling signal input by the voltage sampling device and the current sampling device. The electric energy meter provides time-sharing and multiple-rate functions, and is beneficial to peak-clipping, valley-filling, and stabilizing of electric fence load. In addition, two communication channels, namely, carrier and infrared ray, can be utilized, thus bringing convenience for the realization of an automatic meter reading system.
Description
Technical field
The utility model relates to electric instrument, relates in particular to a kind of single-phase timesharing multi-rate electric energy meter.
Background technology
Energy scarcity is a common recognition of current society, and energy savings, to cut the waste be necessary and urgent task at present, and utilizing economy and technological means is the effective ways that reach energy-conservation purpose.
Along with economy constantly develops, between supplying with, the continuous increase of electric load demand and limited electric power forms the principal contradiction of present power domain, how rationally to control power load, allow the user carry out the allotment of the reasonable economy of electricity consumption at peak period and low peak period, allow power grid security, equilibrium, efficient operation has become the problem that electric power enterprise is needed solution badly.And the many rate valuation of the timesharing of ammeter power supply become head it off, an important method of guiding user rational utilization of electricity.
The utility model content
The purpose of this utility model is to solve above-mentioned problems of the prior art, designs a kind of single-phase electric energy meter that meets many rates of timesharing demand.
The technical solution adopted in the utility model is a kind of single-phase timesharing multi-rate electric energy meter of design, comprise: MCU controller, the LCD display that is connected with the MCU controller respectively and metering units, the voltage sampling device that is connected with metering units and current sampling device and the primary power that is connected with metering units with voltage sampling device respectively, wherein, described metering units is provided with many rates of timesharing computing module, the sampled signal of voltage sampling device and current sampling device input is carried out segmentation branch rate handle.
In a preferred embodiment of the present utility model, described metering units is provided with filtering and amplification module, and the sampled signal of voltage sampling device and current sampling device input is carried out filtering and processing and amplifying.
Described voltage sampling device adopts resistor voltage divider circuit, and described current sampling device adopts copper-manganese sheet sample circuit.
Described MCU controller is provided with storer, and this remote control module reads the active energy output signal from metering units, and the active energy output signal that obtains is added up storage.
Described MCU controller is provided with promising period the real-time clock of base and calendar when providing is provided.
Described MCU controller is provided with infrared interface and/or the carrier interface with the main website telecommunication.
Described MCU controller is provided with the remote control module of accepting main website control.
Described MCU controller is provided with the pulse output interface, and this interface is that photoelectricity is isolated output, is used for accuracy test, or inserts other electric instrument metering electric energy.
Compared with prior art, the utlity model has following beneficial effect:
1, provides timesharing and many rates function, can impel power consumer to change consumption habit, thereby reach the effect that peak load shifting is stabilized network load;
2, can utilize carrier wave and infrared two kinds of communication channels, make things convenient for the realization of Automatic meter reading system, particularly carrier communication function effective simplification the engineering complexity of Automatic meter reading system, directly utilize power transmission lines, engineering wiring and maintenance cost have been reduced, the possibility that allows automatic copy reading table meter systems be achieved in the area of ammeter Discrete Distribution such as rural area has greatly promoted popularizing and promoting of Automatic meter reading system.
Description of drawings
Below in conjunction with accompanying drawing and preferred embodiment the utility model is described in detail, wherein:
Fig. 1 is the schematic block diagram of the utility model principle.
Embodiment
As shown in Figure 1, the single-phase timesharing multi-rate electric energy meter of the utility model design comprises: MCU controller 7, the LCD display 6 that is connected with the MCU controller respectively and metering units 4, voltage sampling device 2 that is connected with metering units and current sampling device 3, and the primary power 1 that is connected with metering units with voltage sampling device respectively.Wherein, metering units 4 is provided with many rates of timesharing computing module, the sampled signal of voltage sampling device and current sampling device input is carried out segmentation branch rate handle.
In this embodiment, voltage sampling device 2 adopts resistor voltage divider circuit, and user's voltage is measured; Current sampling device 3 adopts copper-manganese sheet sample circuit, and user's electric current is measured.Tested voltage and current sampled signal is sent into metering units 4.This metering units 4 is provided with the filtering amplification module, and sampled signal is carried out filtering and amplification earlier, carries out A/D then and is converted to data volume, again these data volumes is carried out the computing of many rates by the different charge period, draws the active energy output signal at last.
In this embodiment, MCU controller 7 running time-division charge rates are supported 3 rates, can divide every day calculate 8 periods.Controller 7 also is provided with storer 8, reads the active energy output signal from metering units 4, and the active energy output signal that obtains is added up, and the accumulative total electric energy is stored in the storer 8.
Claims (8)
1, a kind of single-phase timesharing multi-rate electric energy meter, comprise: MCU controller, the LCD display that is connected with the MCU controller respectively and metering units, the voltage sampling device that is connected with metering units and current sampling device and the primary power that is connected with metering units with voltage sampling device respectively, it is characterized in that: described metering units is provided with many rates of timesharing computing module, the sampled signal of voltage sampling device and current sampling device input is carried out segmentation branch rate handle.
2, electric energy meter as claimed in claim 1 is characterized in that: described metering units is provided with filtering and amplification module, and the sampled signal of voltage sampling device and current sampling device input is carried out filtering and processing and amplifying.
3, electric energy meter as claimed in claim 1 is characterized in that: described voltage sampling device adopts resistor voltage divider circuit, and described current sampling device adopts copper-manganese sheet sample circuit.
4, electric energy meter as claimed in claim 1 is characterized in that: described MCU controller is provided with storer, and this storer reads the active energy output signal from metering units, and the active energy output signal that obtains is added up storage.
5, electric energy meter as claimed in claim 1 is characterized in that: described MCU controller is provided with promising period the real-time clock of base and calendar when providing is provided.
6, electric energy meter as claimed in claim 1 is characterized in that: described MCU controller is provided with infrared interface and/or the carrier interface with the main website telecommunication.
7, electric energy meter as claimed in claim 1 is characterized in that: described MCU controller is provided with the remote control module of accepting main website control.
8, electric energy meter as claimed in claim 6 is characterized in that: described MCU controller is provided with the pulse output interface, and this interface is that photoelectricity is isolated output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201321377U CN201352227Y (en) | 2009-05-20 | 2009-05-20 | Single-phase time-sharing multiple rate electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201321377U CN201352227Y (en) | 2009-05-20 | 2009-05-20 | Single-phase time-sharing multiple rate electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201352227Y true CN201352227Y (en) | 2009-11-25 |
Family
ID=41375615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201321377U Expired - Fee Related CN201352227Y (en) | 2009-05-20 | 2009-05-20 | Single-phase time-sharing multiple rate electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201352227Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157774A (en) * | 2020-03-10 | 2020-05-15 | 南京立超软件科技有限公司 | Single-phase multi-rate electric energy meter with Bluetooth module |
-
2009
- 2009-05-20 CN CNU2009201321377U patent/CN201352227Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157774A (en) * | 2020-03-10 | 2020-05-15 | 南京立超软件科技有限公司 | Single-phase multi-rate electric energy meter with Bluetooth module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20130520 |