CN201518047U - Carrier electric meter capable of storing and identifying load - Google Patents
Carrier electric meter capable of storing and identifying load Download PDFInfo
- Publication number
- CN201518047U CN201518047U CN2009201948788U CN200920194878U CN201518047U CN 201518047 U CN201518047 U CN 201518047U CN 2009201948788 U CN2009201948788 U CN 2009201948788U CN 200920194878 U CN200920194878 U CN 200920194878U CN 201518047 U CN201518047 U CN 201518047U
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- load
- central processor
- power supply
- electric energy
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- Expired - Fee Related
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Abstract
The utility model discloses a carrier electric meter capable of storing and identifying load, which comprises a metering unit, a CPU (central processing unit), a memory storage unit, a power supply unit and an electricity restriction identification cutting unit, wherein the metering unit is used for measuring electric quantity of a load electric appliance; the CPU defines the type of the load electric appliance according to the measured results, controls the storage and reading of the memory storage unit at the same time, and sends a control command to the electricity restriction identification cutting unit; the memory storage unit stores the type of the load electric appliance and the electric quantity of a user; the electricity restriction identification cutting unit controls the load electric appliance according to the control command of the CPU; and the power supply unit transforms commercial power into power with the voltage required by the load electric appliance of the user. In the utility model, the memory storage unit can define the type of the load electric appliance; for the load electric appliance which cannot be identified, the electricity restriction identification cutting unit can perform the operation of supply interruption on the load electric appliance; a carrier communication unit can send the concrete values of the load electric appliance detected by the metering unit to a meter reading center, and then meter reading and statistics are completed automatically.
Description
Technical field
The utility model relates to a kind of electric energy meter, specifically, relates to a kind of carrier electric energy meter that can realize electrical equipment identification.
Background technology
Widely used electric energy meter in the prior art generally need manually go reading to check meter, and determines each user's the power consumption that makes with this, and like this, the reading mistake also appears in work burdensome easily.Electricity consumption for some schools or other occasions; consideration for safety or energy-conservation aspect; general limited subscriber uses pure resistive load electrical equipment and high-power electric appliance; electrical equipment such as immersion heater, electric furnace, warmer, electric frying pan, electromagnetic oven, electric cooker for example; the electric energy meter of prior art is difficult to distinguish accurately pure resistive load electrical equipment and high-power electric appliance, can not control the user automatically and use these loads.
The utility model content
At above deficiency, the utility model provides a kind of load memory discriminatory carrier electric energy meter, and he can accurately discern and register the load appliance that information is arranged in electric energy meter, and do not have the electrical equipment of registration for those, electric energy meter can not be discerned, and outage automatically requires the user to go registration.
Load memory discriminatory carrier electric energy meter of the present utility model comprises metering units, central processor unit, the memory storage unit, the unit is forfeited in the power supply unit and the identification of rationing the power supply, described metering units, the memory storage unit, power supply unit is forfeited the unit with the identification of rationing the power supply and is connected with central processor unit respectively, described metering units is used to measure the electric current and the voltage of user load electrical equipment, described central processor unit is used for according to the electric current of metering units detection and the numerical value of voltage, determine the type of load appliance, control the storage of memory storage unit simultaneously and read, and the identification of rationing the power supply forfeited the unit transmitting control commands, described memory storage unit is used for type and user's information about power of memory load electrical equipment, the described identification of rationing the power supply is forfeited the unit and is realized control to load appliance according to the control command of central processor unit, and described power supply unit is used for converting civil power to user load electrical equipment needed supply voltage.
Described power supply unit comprises transformer, rectifier bridge and three terminal regulator, and civil power changes into low alternating voltage through transformer, is rectified into direct current by rectifier bridge again, and direct current is supplied with through the stable voltage of three terminal regulator output.
Described electric energy meter also comprises the carrier communication unit, described carrier communication unit connects central processor unit, it comprises electric energy meter and checks meter the center communication interface, it has the signal that becomes central processor unit to discern with processing and amplifying to signal frequency-selecting on the line of electric force, simultaneously the signal after the central processor unit processing and amplifying is sent on the line of electric force.
Described electric energy meter also comprises display unit, and display unit connects central processor unit, and described display unit is used for the information that central processor unit sends over is shown, and described display message comprises current electric quantity, time, communication state etc.
Described central processor unit adopts PL3106C.
The beneficial effects of the utility model: the utility model electric energy meter has defined discernible load appliance type by the memory storage unit, can not discern the load appliance of (not having registration) for those, can forfeit the unit by the identification of rationing the power supply load appliance is realized power operation, the carrier communication unit can send to the center of checking meter with the concrete numerical value of the detected load appliance of metering units in addition, automatically finish and check meter and add up, have again, the utility model is provided with display unit, even can make things convenient for the detected relevant information of real electric energy meter.
Description of drawings
Fig. 1 is the structured flowchart of the utility model load memory discriminatory carrier electric energy meter.
Embodiment
Below in conjunction with accompanying drawing the utility model is further set forth.
As shown in Figure 1, load memory discriminatory carrier electric energy meter of the present utility model comprises metering units, central processor unit, memory storage unit, power supply unit, display unit, carrier communication unit and the unit is forfeited in the identification of rationing the power supply, and it also has memory and identification electrical function except common electric energy table function is arranged.
Wherein, the function of power supply unit mainly is to convert civil power to load appliance needed supply voltage, its core components and parts comprise transformer, rectifier bridge and three terminal regulator (7805).Its conversion process is: civil power changes into low alternating voltage through transformer, is rectified into direct current by rectifier bridge again, and direct current is supplied with through the stable voltage of three terminal regulator output.
The function of metering units mainly is that voltage, the electric current to subscriber's line measured, and core component is computation chip CS5463.Computation chip is sampled to circuit and is changed, and sends calculating parameter (for example: power, applied power, power factor etc.) to central processor unit, produces electric pulse simultaneously for the central processor unit sampling.
The function of memory storage unit is mainly stored current user's information about power and electrical equipment correlation properties, and its core components and parts are ATC24C04, and central processor unit is stored the information about power in the circuit as required at any time.
The function of display unit mainly is that the information that central processor unit is brought is shown, and display message comprises current electric quantity, time, communication state etc.Its core components and parts are LCD screens, and the LCD screen is directly driven by the CPU control interface of central processor unit.
The function of carrier communication unit is the electric energy meter and the center communication interface of checking meter, it has the signal that becomes central processor unit to discern with processing and amplifying to signal frequency-selecting on the line of electric force, and the while also sends to the signal of central processor unit processing and amplifying on the line of electric force.Its core components and parts are made up of pickup coil and four transistors, amplify and send into central processor unit at the amplifying circuit of forming through four transistors through the pickup coil conversion from the signal on the line of electric force.
The function that the unit is forfeited in the identification of rationing the power supply is to turn on and off subscriber's line according to the signal that central processor unit is sent here.It mainly is to be made of relay chip for driving and relay, when the central processing unit unit judges has illegal electrical equipment line attachment, disconnects the relay line disconnection thereby signal to the relay chip for driving, otherwise when legal electrical equipment inserted, circuit kept connecting.
Central processor unit is the core of electric energy meter, and it is made up of CPU (PL3106C) and some auxiliary circuits, and its function comprises to be handled computation chip operation and the parameter sent here thereof; The information that carrier current channel is sent here is handled and interactive operation; Access to the storage area data; The data that are sent to the display part are handled; The electricity part is forfeited in the identification of rationing the power supply send into control signal etc.
When memory and identification electrical equipment, in the electric equipment place in circuit, voltage and current in the metering units sampling circuit, change by computation chip, send calculating parameter to central processor unit, after central processor unit is received correlation parameter, with current opering characteristic of electric apparatus state permanent storage (also can delete when needing), and current electric quantity shown by LCD by the identification calculation procedure.
After electrical equipment identification and memory finish, will be as a kind of legal electrical appliance that makes of current electric energy meter, multiple electrical equipment can be stored and discern to this electric energy meter as required, if the electrical equipment remember is loaded into and can be regarded as illegal electrical equipment in the circuit and causes circuit to cut off the power supply.Need after the outage just can restore electricity after time-delay a period of time.
Central processor unit is constantly discerned the signal that power carrier is sent in addition, and central processor unit will be made answer by the carrier communication interface circuit when the address of the center calling of checking meter is identical with this electric energy meter address.
Claims (5)
1. the discriminatory carrier electric energy meter is remembered in a load, it is characterized in that, it comprises metering units, central processor unit, the memory storage unit, the unit is forfeited in the power supply unit and the identification of rationing the power supply, described metering units, the memory storage unit, power supply unit is forfeited the unit with the identification of rationing the power supply and is connected with central processor unit respectively, described metering units is used to measure the electric current and the voltage of user load electrical equipment, described central processor unit is used for according to the electric current of metering units detection and the numerical value of voltage, determine the type of load appliance, control the storage of memory storage unit simultaneously and read, and the identification of rationing the power supply forfeited the unit transmitting control commands, described memory storage unit is used for type and user's information about power of memory load electrical equipment, the described identification of rationing the power supply is forfeited the unit and is realized control to load appliance according to the control command of central processor unit, and described power supply unit is used for converting civil power to user load electrical equipment needed supply voltage.
2. load memory discriminatory carrier electric energy meter according to claim 1, it is characterized in that, described power supply unit comprises transformer, rectifier bridge and three terminal regulator, civil power changes into low alternating voltage through transformer, be rectified into direct current by rectifier bridge again, direct current is supplied with through the stable voltage of three terminal regulator output.
3. load memory discriminatory carrier electric energy meter according to claim 2, it is characterized in that, described electric energy meter also comprises the carrier communication unit, described carrier communication unit connects central processor unit, it comprises electric energy meter and checks meter the center communication interface, it has the signal that becomes central processor unit to discern with processing and amplifying to signal frequency-selecting on the line of electric force, simultaneously the signal after the central processor unit processing and amplifying is sent on the line of electric force.
4. according to claim 2 or 3 described load memory discriminatory carrier electric energy meters, it is characterized in that, described electric energy meter also comprises display unit, display unit connects central processor unit, described display unit is used for the information that central processor unit sends over is shown, and described display message comprises current electric quantity, time and communication state.
5. load memory discriminatory carrier electric energy meter according to claim 1 is characterized in that described central processor unit adopts PL3106C, and metering units adopts the CS5463 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201948788U CN201518047U (en) | 2009-09-17 | 2009-09-17 | Carrier electric meter capable of storing and identifying load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201948788U CN201518047U (en) | 2009-09-17 | 2009-09-17 | Carrier electric meter capable of storing and identifying load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201518047U true CN201518047U (en) | 2010-06-30 |
Family
ID=42498770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201948788U Expired - Fee Related CN201518047U (en) | 2009-09-17 | 2009-09-17 | Carrier electric meter capable of storing and identifying load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201518047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735955A (en) * | 2011-04-15 | 2012-10-17 | 财团法人交大思源基金会 | Power monitoring device capable of identify state of electric appliance and power monitoring method thereof |
| CN103439573A (en) * | 2013-08-14 | 2013-12-11 | 国家电网公司 | Method and system for identifying household loads based on transient characteristic close degree matching |
-
2009
- 2009-09-17 CN CN2009201948788U patent/CN201518047U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735955A (en) * | 2011-04-15 | 2012-10-17 | 财团法人交大思源基金会 | Power monitoring device capable of identify state of electric appliance and power monitoring method thereof |
| CN102735955B (en) * | 2011-04-15 | 2015-02-04 | 财团法人交大思源基金会 | Power monitoring device capable of identify state of electric appliance and power monitoring method thereof |
| CN103439573A (en) * | 2013-08-14 | 2013-12-11 | 国家电网公司 | Method and system for identifying household loads based on transient characteristic close degree matching |
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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 |
Granted publication date: 20100630 Termination date: 20140917 |
|
| EXPY | Termination of patent right or utility model |