CN207624098U - Single-phase intelligent ammeter with safety chip - Google Patents
Single-phase intelligent ammeter with safety chip Download PDFInfo
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- CN207624098U CN207624098U CN201721152579.9U CN201721152579U CN207624098U CN 207624098 U CN207624098 U CN 207624098U CN 201721152579 U CN201721152579 U CN 201721152579U CN 207624098 U CN207624098 U CN 207624098U
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Abstract
The utility model is related to a kind of single-phase intelligent ammeter with safety chip, it includes processing chip and the computation chip that is connect with the processing chip, storage chip, safety chip, display driver chip and communication module, relay module and power module, transformer is equipped between the computation chip and processing chip, the power module sets up two-way separately, the transformer is accessed all the way, another way connects carrier communication module, the relay module is connect by relay interface with processing chip, the communication module includes carrier communication module, infrared communication module, 485 communication modules.The utility model has the function of electrical energy measurement, information storage and processing, information exchange etc., supports long-range payment, remotely stops power transmission, facilitates charge calculation, can effectively prevent arrearage behavior, also remote carrier is supported to communicate, realize 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 a kind of single-phase intelligent ammeters with safety chip.
Background technology
Existing electric energy meter cannot achieve remote bill control in communication, cause to take over electricity charge difficulty after subscriber arrearage,
And there is also disabled users to change the phenomenon that parameters of electric energy meter implements stealing；Although and existing IC card electric energy meter can realize arrearage
Afterwards to ammeter power down process, but since IC card power purchase may need user's race is far could to pay the fees to power supply station, operation fiber crops
Tired, shortage convenience.Accordingly, it is desirable to provide remotely payment, timing meter reading, tool safety encrypt anti-electricity-theft intelligent electricity for a kind of support
Table.
Utility model content
In view of the deficiencies of the prior art, a kind of long-range payment of support of the utility model offer, timing meter reading, have safe encryption
Anti-electricity-theft single-phase intelligent ammeter.
Technical solution adopted by the utility model to solve its technical problems is：The single-phase intelligent electricity with safety chip
Table include processing chip and the computation chip being connect with the processing chip, storage chip, safety chip, display driver chip,
Communication module, relay module and power module are equipped with transformer, the power supply between the computation chip and processing chip
Module sets up two-way separately, accesses the transformer all the way, and another way connects carrier communication module, and the relay module passes through relay
Device interface is connect with processing chip, and the communication module includes carrier communication module, infrared communication module, 485 communication modules, institute
It states carrier communication module to connect with processing chip by carrier communication interface, the infrared communication module passes through infrared communication interface
It is connect with processing chip, 485 communication module is connect by 485 communication interfaces with processing chip.
In a kind of preferred embodiment of the single-phase intelligent ammeter provided by the utility model with safety chip, the processing
Chip uses digital signal processing chip.
In a kind of preferred embodiment of the single-phase intelligent ammeter provided by the utility model with safety chip, the metering
Chip uses RN8209 chips.
In a kind of preferred embodiment of the single-phase intelligent ammeter provided by the utility model with safety chip, the safety
Chip uses ESAM encryption chips.
Compared with prior art, the advantageous effect of the single-phase intelligent ammeter provided by the utility model with safety chip is：
One, the utility model has the function of electrical energy measurement, information storage and processing, information exchange etc., support remotely to pay the fees,
Remotely stop power transmission, facilitate charge calculation, can effectively prevent arrearage behavior, also supports remote carrier communication, realize the same of power grid
One meter reading management；
Two, the safety chip being equipped with needs through strictly close the various instructions that long-range electricity-selling system issues
Code verification and safety certification, prevent disabled user from changing parameters of electric energy meter, avoid the generation of electricity stealing；
Three, the computation chip used, has very big promotion than the precision and various functions of traditional computation chip,
Error checking can be realized by software regulating meter, flexible anti-electricity-theft scheme may be implemented.
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 is the mainboard structure schematic diagram of the single-phase intelligent ammeter provided by the utility model with safety chip.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, 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, the single-phase intelligent ammeter 1 with safety chip include processing chip 11 and with the processing core
Computation chip 12, storage chip 13, safety chip 14, display driver chip 15, communication module, the relay mould of the connection of piece 11
Block is equipped with transformer 16 between the computation chip 12 and processing chip 11.
Further, the relay module is connect by relay interface 17 with processing chip 11, realizes switching on work(
Energy.
Further, the communication module includes carrier communication module, infrared communication module, 485 communication modules, described
Carrier communication module is connect by carrier communication interface 18 with processing chip 11, and the infrared communication module is connect by infrared communication
Mouth 19 is connect with processing chip 11, and 485 communication module is connect by 485 communication interfaces 20 with processing chip 11, is realized
Infrared copy meter, power circuit remote meter reading and 485 communication functions of ammeter.
Further, further include power module 21, the power module sets up two-way separately, accesses the transformer 16 all the way,
For main board power supply, another way connects carrier communication module, powers for carrier module.
Further, the processing chip 11 uses digital signal processing chip.
Further, the computation chip 12 uses RN8209 chips.
Further, the safety chip 14 uses ESAM encryption chips.
When work, the computation chip 12 converts the sampled signal of voltage, electric current to pulse signal transmission to the place
It manages the acquisition of the progress electric pulse of chip 11, electric quantity accumulation and every calculating analyzing processing, handling result and is stored in the storage core
In piece 13, while the processing chip 11 completes the function treatments such as safety certification, infrared, 485 meter readings, display.
The advantageous effect of single-phase intelligent ammeter 1 provided by the utility model with safety chip is：
One, the utility model has the function of electrical energy measurement, information storage and processing, information exchange etc., support remotely to pay the fees,
Remotely stop power transmission, facilitate charge calculation, can effectively prevent arrearage behavior, also supports remote carrier communication, realize the same of power grid
One meter reading management；
Two, the safety chip 14 being equipped with 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；
Three, the computation chip 12 used, precision and various functions than traditional computation chip have and carry greatly very much
It rises, can realize error checking by software regulating meter, flexible anti-electricity-theft scheme may be implemented.
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
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is similarly included within the scope of patent protection of the utility model.
Claims (4)
1. a kind of single-phase intelligent ammeter with safety chip, it is characterised in that：Connect including processing chip and with the processing chip
Computation chip, storage chip, safety chip, display driver chip, communication module, relay module and the power module connect,
Transformer is equipped between the computation chip and processing chip, the power module sets up two-way separately, accesses the transformer all the way,
Another way connects carrier communication module, and the relay module is connect by relay interface with processing chip, the communication mould
Block includes carrier communication module, infrared communication module, 485 communication modules, and the carrier communication module passes through carrier communication interface
It is connect with processing chip, the infrared communication module is connect by infrared communication interface with processing chip, 485 communication module
It is connect with processing chip by 485 communication interfaces.
2. the single-phase intelligent ammeter according to claim 1 with safety chip, it is characterised in that：The processing chip uses
Digital signal processing chip.
3. the single-phase intelligent ammeter according to claim 1 with safety chip, it is characterised in that：The computation chip uses
RN8209 chips.
4. the single-phase intelligent ammeter according to claim 1 with safety chip, it is characterised in that：The safety chip uses
ESAM encryption chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152579.9U CN207624098U (en) | 2017-09-08 | 2017-09-08 | Single-phase intelligent ammeter with safety chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152579.9U CN207624098U (en) | 2017-09-08 | 2017-09-08 | Single-phase intelligent ammeter with safety chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624098U true CN207624098U (en) | 2018-07-17 |
Family
ID=62819060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721152579.9U Expired - Fee Related CN207624098U (en) | 2017-09-08 | 2017-09-08 | Single-phase intelligent ammeter with safety chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624098U (en) |
-
2017
- 2017-09-08 CN CN201721152579.9U patent/CN207624098U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180717 Termination date: 20200908 |
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| CF01 | Termination of patent right due to non-payment of annual fee |