CN207397392U - Can CPU card power purchase three-phase local cost control intelligent electric meter - Google Patents
Can CPU card power purchase three-phase local cost control intelligent electric meter Download PDFInfo
- Publication number
- CN207397392U CN207397392U CN201721152997.8U CN201721152997U CN207397392U CN 207397392 U CN207397392 U CN 207397392U CN 201721152997 U CN201721152997 U CN 201721152997U CN 207397392 U CN207397392 U CN 207397392U
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- China
- Prior art keywords
- chip
- intelligent electric
- electric meter
- cpu card
- power purchase
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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- Arrangements For Transmission Of Measured Signals (AREA)
- Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
Abstract
The utility model is related to it is a kind of can CPU card power purchase three-phase local cost control intelligent electric meter, it includes main control chip and the computation chip being connected with the main control chip, storage chip, safety chip, display driver chip, 485 chips, communication port, relay module, key-press module, power management module and IC card interface, wherein described 485 chip connects 485 communication port, the IC card interface connects CPU card by card reader, and the main control chip is also connected with metrical pulse output port.The utility model uses newest power industry communication protocol DLT645 2007, it supports internal accounting, long-range payment, remotely stop power transmission, facilitate charge calculation, there is electrical energy measurement, information storage and processing, information exchange etc., arrearage behavior can effectively be prevented, it supports remote carrier communication, realizes the same meter reading management of power grid.
Description
Technical field
The utility model is related to electric energy meter technical field more particularly to it is a kind of can CPU card power purchase three-phase local cost control intelligence
It can ammeter.
Background technology
Traditional electric energy meter be first electricity consumption with power mode after charge, cause Utilities Electric Co.'s charge difficult, easily cause bad
Account, and also there are the phenomenon that disabled user's change parameters of electric energy meter implementation stealing；Existing three-phase electricity communication protocol is mostly
DLT645-1997 stipulations are difficult to the development trend for meeting current three-phase intelligent ammeter in communication, and can not realize through safe core
Piece controls switching on function, and many three-phase electric energy meters do not have switching on function or switching on function is not perfect easily leads
It causes to burn table；Existing remote bill control table can not also realize automatic calculation expense, and all chargings can only all carry out on backstage, and common IC card
Electric energy meter needs user's race is far could pay the fees to power supply station again, troublesome in poeration, shortage convenience.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of long-range payment of support, timing meter reading, can realize electric energy
Table internal accounting function and tool safety it is encrypted can CPU card power purchase three-phase local cost control intelligent electric meter.
Technical solution is used by the utility model solves its technical problem：It is described can CPU card power purchase three-phase it is local
Take control intelligent electric meter include main control chip and be connected with the main control chip computation chip, storage chip, safety chip, show
Show driving chip, 485 chips, communication port, relay module, key-press module, power management module and IC card interface, wherein
485 chip connects 485 communication port, and the IC card interface connects CPU card by card reader, and the main control chip is also connected with
Metrical pulse output port.
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the main control chip is also associated with clock chip.
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the communication port includes infrared communications ports and carrier communication port.
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the main control chip uses MCU microcontroller main control chips.
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the computation chip has been internally integrated A/D conversions and data computing circuit.
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the safety chip uses ESAM encryption chips.
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the CPU card is the intellective IC card of built-in encryption module
It is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter a kind of preferred embodiment
In, the intelligent electric meter uses communication protocol DLT645-2007.
Compared with prior art, it is provided by the utility model can the three-phase local cost control intelligent electric meter of CPU card power purchase have
Beneficial effect is：
First, the utility model uses newest power industry communication protocol DLT645-2007, supports internal accounting, remotely pays
Expense remotely stops power transmission, facilitates charge calculation, has the function of electrical energy measurement, information stores and processing, information exchange etc., can be effective
Ground prevents arrearage behavior, supports remote carrier communication, realizes the same meter reading management of power grid；
2nd, the main control chip connection IC card interface, CPU card can utilize card reader to connect IC card interface, realize master control core
Piece carries out internal accounting control, and the CPU card user of use, which need to only be inputted power purchase information in CPU card by computer, can be realized purchase
Electricity；
3rd, the safety chip used is needed for the various instructions that long-range electricity-selling system issues through strictly close
Code verification and safety certification, prevent disabled user from changing parameters of electric energy meter, avoid the generation of electricity stealing；
4th, the computation chip used is internally integrated A/D conversions and data computing circuit, the master is greatly saved
The live load of chip is controlled, can be by error correction within 0.5 grade by software correction, effective value measurement error is less than 0.1%.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 be it is provided by the utility model can CPU card power purchase three-phase local cost control intelligent electric meter mainboard structure signal
Figure.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, it is described can CPU card power purchase three-phase local cost control intelligent electric meter 1 include main control chip 11 and with
Computation chip 12, storage chip 13, safety chip 14, display driver chip 15,485 chips of the connection of main control chip 11
16th, communication port, relay module 18, key-press module 19, power management module 20 and IC card interface 21, wherein described 485
Chip 16 connects 485 communication port 22, and 485 communication port 22 connects 485 communication modules, realizes 485 data communication functions,
The IC card interface 21 by card reader connect CPU card, the CPU card be built-in encryption module intellective IC card, the master control
Chip 11 is also connected with metrical pulse output port 23.
Further, the main control chip 11 is also associated with clock chip 24, realizes electric energy meter Time of Day function.
Further, the communication port includes infrared communications ports 171 and carrier communication port 172, infrared communication end
Mouth 171 connects infrared communication modules, realizes infrared copy meter function, the carrier communication port 172 connects carrier communication module, real
Show ammeter and remote meter-reading function is carried out by power circuit, avoid other wiring.
Further, the main control chip 11 uses MCU microcontroller main control chips.
Further, the computation chip 12 has been internally integrated A/D conversions and data computing circuit.
Further, the safety chip 14 uses ESAM encryption chips.
Further, the intelligent electric meter 1 is using communication protocol DLT645-2007.
During work, voltage, electric current are converted to sampled signal through the mutual inductor in electric energy meter and access the computation chip all the way
12, pulse signal is converted by the computation chip 12 and is sent to that the main control chip 11 carries out electric pulse acquisition, electricity tires out
Meter and every calculate analyze and process, and handling result is stored in the storage chip 13；Another way voltage, electric current are through the power supply
Power supply of the management module 20 as mainboard, user is by the intellective IC card of built-in encryption module by power purchase information inputing power table
In, the main control chip 11 realizes internal accounting, while the main control chip 11 is completed safety certification, infrared, 485 meter readings, shown
The function treatments such as show.
It is provided by the utility model can the advantageous effect of three-phase local cost control intelligent electric meter 1 of CPU card power purchase be：
First, the utility model uses newest power industry communication protocol DLT645-2007, supports internal accounting, remotely pays
Expense remotely stops power transmission, facilitates charge calculation, has the function of electrical energy measurement, information stores and processing, information exchange etc., can be effective
Ground prevents arrearage behavior, supports remote carrier communication, realizes the same meter reading management of power grid；
2nd, the main control chip 11 connects IC card interface 21, and CPU card can utilize card reader to connect IC card interface, realize master
It controls chip 11 and carries out internal accounting control, the CPU card user of use need to only be inputted power purchase information in CPU card by computer
Realize power purchase；
3rd, the safety chip 14 used needs to pass through strictly for the various instructions that long-range electricity-selling system issues
Password authentification and safety certification prevent disabled user from changing parameters of electric energy meter, avoid the generation of electricity stealing；
4th, the computation chip 12 used is internally integrated A/D conversions and data computing circuit, is greatly saved described
The live load of main control chip 11, can be by error correction within 0.5 grade by software correction, and effective value measurement error is less than
0.1%.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
The equivalent structure or equivalent flow shift made using the utility model description is directly or indirectly used in other phases
The technical field of pass, is similarly included within the scope of patent protection of the utility model.
Claims (8)
1. it is a kind of can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：Including main control chip and with it is described
Computation chip, storage chip, safety chip, display driver chip, 485 chips, communication port, the relay of main control chip connection
Module, key-press module, power management module and IC card interface, wherein 485 chip connects 485 communication port, the IC
Card interface connects CPU card by card reader, and the main control chip is also connected with metrical pulse output port.
2. it is according to claim 1 can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：The master
Control chip is also associated with clock chip.
3. it is according to claim 1 can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：It is described logical
Believe that port includes infrared communications ports and carrier communication port.
4. it is according to claim 1 can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：The master
It controls chip and uses MCU microcontroller main control chips.
5. it is according to claim 1 can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：The meter
Amount chip internal is integrated with A/D conversions and data computing circuit.
6. it is according to claim 1 can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：The peace
Full chip uses ESAM encryption chips.
7. it is according to claim 1 can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：The CPU
Block for the intellective IC card of built-in encryption module.
8. according to claim 1~7 it is any it is described can CPU card power purchase three-phase local cost control intelligent electric meter, it is characterised in that：
The intelligent electric meter uses communication protocol DLT645-2007.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152997.8U CN207397392U (en) | 2017-09-08 | 2017-09-08 | Can CPU card power purchase three-phase local cost control intelligent electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152997.8U CN207397392U (en) | 2017-09-08 | 2017-09-08 | Can CPU card power purchase three-phase local cost control intelligent electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207397392U true CN207397392U (en) | 2018-05-22 |
Family
ID=62416086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721152997.8U Expired - Fee Related CN207397392U (en) | 2017-09-08 | 2017-09-08 | Can CPU card power purchase three-phase local cost control intelligent electric meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN207397392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345715A (en) * | 2018-09-01 | 2019-02-15 | 张金山 | A kind of plug-in card charging type ammeter user-aided system and electricity-fetching method |
| CN113567723A (en) * | 2021-08-19 | 2021-10-29 | 北京京仪北方仪器仪表有限公司 | Single-phase cost control intelligent electric energy meter system with CPU card |
-
2017
- 2017-09-08 CN CN201721152997.8U patent/CN207397392U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345715A (en) * | 2018-09-01 | 2019-02-15 | 张金山 | A kind of plug-in card charging type ammeter user-aided system and electricity-fetching method |
| CN109345715B (en) * | 2018-09-01 | 2021-03-12 | 哈尔滨汇鑫仪器仪表有限责任公司 | Card-inserting electricity-taking type electric meter user auxiliary system and electricity-taking method |
| CN113567723A (en) * | 2021-08-19 | 2021-10-29 | 北京京仪北方仪器仪表有限公司 | Single-phase cost control intelligent electric energy meter system with CPU card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180522 Termination date: 20200908 |