CN205920159U - A generic interface for electric energy meter - Google Patents
A generic interface for electric energy meter Download PDFInfo
- Publication number
- CN205920159U CN205920159U CN201620954878.3U CN201620954878U CN205920159U CN 205920159 U CN205920159 U CN 205920159U CN 201620954878 U CN201620954878 U CN 201620954878U CN 205920159 U CN205920159 U CN 205920159U
- Authority
- CN
- China
- Prior art keywords
- interface
- communication
- electric energy
- energy meter
- self
- Prior art date
- 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.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a generic interface for electric energy meter belongs to the power equipment field. Including communication main control chip and communication interface, communication interface links to each other with communication main control chip's input interface including the receive port and the self -defined pin that are used for receiving the communication request, receive port, still is connected with memory chip at communication main control chip's input interface, and communication main control chip still is equipped with the control port that heavily defines communication interface, and the control port links to each other with self -defined pin. Heavily define self -defined pin through the control port for self -defined pin with treat that the interface definition that the transmission equipment used is in full accord, make the electric energy meter to accomplish communication through the interface after the heavy definition because the data interface type of different disposition of equipments is different, through above -mentioned structural limit's generic interface, improved electric energy meter communication interface to different interface compatibility, also improved the suitability under the multiple use of electric energy meter.
Description
Technical field
This utility model belongs to field of electrical equipment, particularly to the general-purpose interface for electric energy meter.
Background technology
With the development of the Internet, the application of electric energy meter is more and more intelligent, and the scene of scene application and functional requirement become
Change increasingly faster, the application scenarios corresponding to communication interface that existing electric energy meter is used and channel saturation, new
Under overall situation change, Internet of Things and big data etc. have been that thing connects it is therefore desirable to increase extendible module in the trend that must go
Mouthful, to be applied to the future application scenarios such as Internet of Things, big data.
The interface definition that existing electric energy meter agrees to change module in position is fixing, is substantially universal asynchronous receiving-transmitting and passes
Defeated device (universal asynchronous receiver/transmitter, uart) combines what other control lines were realized.
For the module of other high speeds some, its interface may be the interface of more high speed, such as Serial Peripheral Interface (SPI) (serial
Peripheral interface, spi) etc. will produce limitation in communication, lead to not apply this module.
Utility model content
In order to solve shortcoming and defect present in prior art, this utility model provides general for improving electric energy meter
The general-purpose interface of property.
In order to reach above-mentioned technical purpose, this utility model provides the general-purpose interface for electric energy meter, described general connects
Mouth includes the communication main control chip being located in electric energy meter, and the communication interface being connected with described main control chip；
Described communication interface includes the receiving port and self-defined pin for receiving communication request, described receiving port with
The input interface of described communication main control chip is connected, and is also associated with connecing for storage in the input interface of described communication main control chip
The storage chip of mouth definition, described communication main control chip is additionally provided with the control port that communication interface is redefined, described control
Port processed is connected with described self-defined pin；
The pin vcc provided with high level in described communication interface, and the pin gnd being grounded.
Optionally, two self-defined pins are at least included in described communication interface.
Optionally, when described communication interface be uart interface when, described self-defined pin include rxd, txd, rst and
set.
Optionally, when described communication interface is spi interface, described self-defined pin includes clk, sda, sdo and cs.
Optionally, when described communication interface is iic interface, described self-defined pin includes sda, sclk and wp.
The technical scheme that this utility model provides has the benefit that
By control port, self-defined pin is redefined so that self-defined pin is connect with transfer device use to be passed
Mouth defines completely the same so that electric energy meter can complete to communicate by the interface after redefining, the number being used due to distinct device
According to interface type, different, the general-purpose interface being limited by said structure, improves electric energy meter communication interface simultaneous to distinct interface
Capacitive, also improves the suitability under multiple use of electric energy meter.
Brief description
In order to be illustrated more clearly that the technical solution of the utility model, required use in embodiment being described below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description be only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the general-purpose interface for electric energy meter that this utility model provides；
Fig. 2 is the schematic flow sheet of the communication means being communicated based on general-purpose interface that this utility model provides.
Specific embodiment
For making structure of the present utility model and advantage clearer, below in conjunction with accompanying drawing, structure of the present utility model is made
It is further described through.
Embodiment one
This utility model provides the general-purpose interface for electric energy meter, as shown in figure 1, described general-purpose interface includes being located at electricity
Communication main control chip in energy table, and the communication interface being connected with described main control chip；
Described communication interface includes the receiving port and self-defined pin for receiving communication request, described receiving port with
The input interface of described communication main control chip is connected, and is also associated with connecing for storage in the input interface of described communication main control chip
The storage chip of mouth definition, described communication main control chip is additionally provided with the control port that communication interface is redefined, described control
Port processed is connected with described self-defined pin；
The pin vcc provided with high level in described communication interface, and the pin gnd being grounded.
In force, there is circumscribed defect to solve electric energy meter interface in prior art, the utility model proposes
A kind of general-purpose interface for electric energy meter, with the rs485 interface that is arranged on before on electric energy meter, infrared interface and replaceable
Unlike module interface, this general-purpose interface can be applied to including uart, spi, iic (inter-integrated
Circuit, IC bus) in a series of interior data communication interfaces with more high scalability, versatility and permissible
Different from the used communication interface of the equipment that electric energy meter enters row data communication according to waiting, be capable of active carries out interface pin
Redefine, to adapt to new communication interfaces.In order to realize above-mentioned functions, this general-purpose interface and the communication master control core being located in electric energy meter
Piece is connected.Include receiving port and self-defined pin in communication interface.Communication main control chip is provided with input interface and output
Interface, input interface is connected with the receiving port in communication interface, in order to receive what other equipment sent at receiving port
Data transfer request.
Input interface is also connected with the storage chip of the interface definition that is stored with.Here interface definition refers to currently to commonly use logical
The pin definitions that letter interface uses.And communication main control chip on be additionally provided with control port, so communication main control chip from
Input interface obtains the communication request that transfer device to be passed sends, and determines that communication is used according to the specific character section in transmission request
Interface type, and then from storage chip obtain interface definition corresponding with interface type, eventually through control port to general
The label of the self-defined pin in interface is modified, so that the interface definition that self-defined pin is used with transfer device to be passed
Completely the same so that electric energy meter can by the interface after redefining complete communicate, due to distinct device use data-interface
Type is different, and the general-purpose interface being limited by said structure improves the compatibility to distinct interface for the electric energy meter communication interface,
Improve the suitability under multiple use of electric energy meter.
Optionally, two self-defined pins are at least included in described communication interface.
In force, the communication interface that current electric energy meter can use is minimum to be two communication lines, therefore limits here
Fixed general-purpose interface hereinbefore at least includes two self-defined pins, to adapt to most communications request.
The communication interface that electric energy meter can use at present mainly includes uart, spi and iic, therefore when in electric energy meter
Communication main control chip when to get the interface definition of transfer device to be passed be uart interface, need corresponding will be fixed for self-defined pin
Justice is rxd, txd, rst and set.When the interface definition that the communication main control chip in electric energy meter gets transfer device to be passed is
During spi interface, needing corresponding is clk, sda, sdo and cs by self-defined pin definitions.When the communication master control in electric energy meter
When the interface definition that chip gets transfer device to be passed is iic interface, needs are corresponding to be defined three in self-defined pin
For sda, sclk and wp, and remaining self-defined pin is left a blank.Here the pin using for distinct interface proposing
Definition, is all the technology general knowledge in this area, the just not reinflated description of specific pin definitions title.
The utility model proposes for the general-purpose interface of electric energy meter, including communication main control chip and communication interface, communication
Interface includes the receiving port and self-defined pin for receiving communication request, and receiving port is connect with the input of the main control chip that communicates
Mouth is connected, and is also associated with storage chip in the input interface of communication main control chip, and communication main control chip is additionally provided with to communication interface
The control port being redefined, control port is connected with self-defined pin.Weight is carried out by control port to self-defined pin
Definition is so that self-defined pin is completely the same with the interface definition that transfer device to be passed uses so that electric energy meter can be by resetting
Interface after justice completes to communicate, because the data interface type that distinct device uses is different, by said structure limit general
Interface, improves the compatibility to distinct interface for the electric energy meter communication interface, also improves the suitable under multiple use of electric energy meter
The property used.
Embodiment two
In order to make general-purpose interface complete self-defined pin is redefined, this utility model embodiment also provides a set of communication
Method, as shown in Fig. 2 specifically including:
21st, make receiving port receive the communication request that transfer device to be passed sends, communication request is sent to communication master control core
Piece, communication request includes the interface type that transfer device to be passed uses.
22nd, communication main control chip obtains, according to communication request, the communication interface standard that transfer device to be passed uses, according to communication
Interface standard extracts interface definition from storage chip.
23rd, interface definition is transmitted to control port, make the label according to interface definition to self-defined pin for the control port
Modify.
Optionally, described interface type includes uart, spi and iic.
The utility model proposes for the communication means of electric energy meter, sending including making receiving port receive transfer device to be passed
Communication request and communication request is sent to communication main control chip, communication main control chip obtains according to communication request and to be transmitted sets
The standby communication interface standard using, extracts interface definition according to communication interface standard from storage chip, make control port according to
Interface definition is modified to the label of self-defined pin.Because communication request includes the interface class that transfer device to be passed uses
Type, is therefore redefined to self-defined pin by control port so that self-defined pin is connect with transfer device use to be passed
Mouth defines completely the same so that electric energy meter can complete to communicate by the interface after redefining, the number being used due to distinct device
According to interface type, different, the general-purpose interface being limited by said structure, improves electric energy meter communication interface simultaneous to distinct interface
Capacitive, also improves the suitability under multiple use of electric energy meter.
Each sequence number in above-described embodiment is for illustration only, the elder generation during not representing the assembling of each part or using
Order afterwards.
The foregoing is only embodiment of the present utility model, not in order to limit this utility model, all in this utility model
Spirit and principle within, any modification, equivalent substitution and improvement made etc., should be included in protection model of the present utility model
Within enclosing.
Claims (5)
1. it is used for the general-purpose interface of electric energy meter it is characterised in that described general-purpose interface includes the communication master control being located in electric energy meter
Chip, and the communication interface being connected with described main control chip；
Described communication interface includes the receiving port and self-defined pin for receiving communication request, described receiving port with described
The input interface of communication main control chip is connected, and it is fixed for memory interface to be also associated with the input interface of described communication main control chip
The storage chip of justice, described communication main control chip is additionally provided with the control port that communication interface is redefined, described control end
Mouth is connected with described self-defined pin；
The pin vcc provided with high level in described communication interface, and the pin gnd being grounded.
2. the general-purpose interface for electric energy meter according to claim 1 is it is characterised in that at least wrap in described communication interface
Include two self-defined pins.
3. the general-purpose interface for electric energy meter according to claim 1 is it is characterised in that working as described communication interface is uart
During interface, described self-defined pin includes rxd, txd, rst and set.
4. the general-purpose interface for electric energy meter according to claim 1 is it is characterised in that working as described communication interface is spi
During interface, described self-defined pin includes clk, sda, sdo and cs.
5. the general-purpose interface for electric energy meter according to claim 1 is it is characterised in that working as described communication interface is iic
During interface, described self-defined pin includes sda, sclk and wp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620954878.3U CN205920159U (en) | 2016-08-26 | 2016-08-26 | A generic interface for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620954878.3U CN205920159U (en) | 2016-08-26 | 2016-08-26 | A generic interface for electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920159U true CN205920159U (en) | 2017-02-01 |
Family
ID=57869251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620954878.3U Active CN205920159U (en) | 2016-08-26 | 2016-08-26 | A generic interface for electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205920159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147957A (en) * | 2019-12-24 | 2020-05-12 | 金卡智能集团股份有限公司 | Gas meter data acquisition device with universal communication interface |
-
2016
- 2016-08-26 CN CN201620954878.3U patent/CN205920159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147957A (en) * | 2019-12-24 | 2020-05-12 | 金卡智能集团股份有限公司 | Gas meter data acquisition device with universal communication interface |
| CN111147957B (en) * | 2019-12-24 | 2022-02-22 | 金卡智能集团股份有限公司 | Gas meter data acquisition device with universal communication interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106066840A (en) | A kind of method switching electronic equipment master slave mode and a kind of electronic equipment | |
| CN104318301B (en) | TF card having communication function | |
| CN108255754B (en) | A kind of I3C main equipment of compatible I2C, I3C master-slave equipment communication system and method | |
| CN207926624U (en) | Vehicle netbios and automobile | |
| CN101820460A (en) | Module for realizing SPI interface | |
| CN105446930A (en) | Single selection end SPI (Serial Peripheral Interface) master-slave multi-machine bidirectional communication method | |
| CN105446929A (en) | Port multiplexing circuit capable of supporting SPI, I2C, I2CL and UART protocols | |
| CN205920159U (en) | A generic interface for electric energy meter | |
| CN106126446A (en) | A kind of USB device and the method identifying MacOS system thereof | |
| CN206294300U (en) | A kind of set CARPLAY communications and the device of USB transmission | |
| CN103942173A (en) | Circuit and switching method of serial interface receiving states on basis of switching from USB to high-speed CAN and UART serial interface | |
| CN103076800A (en) | Vehicle-mounted intelligent device and vehicle data identification system | |
| CN106199177A (en) | General-purpose interface for electric energy meter | |
| CN107704407A (en) | A kind of system and method for being used for data processing between SPI and UART | |
| CN112346403A (en) | Extend module connecting circuit | |
| CN204808005U (en) | Motion control card based on wifi wireless communication | |
| CN104022933B (en) | A kind of vehicle bus debugging system changed based on multimode signal | |
| CN202696609U (en) | Optical fiber concentrator | |
| CN108234262A (en) | A kind of data/address bus based on optical fiber transmission extends device and method | |
| CN107391424A (en) | A kind of read-only card reader and its implementation | |
| CN207543138U (en) | A kind of data transmission system of more industrial bus | |
| CN206627797U (en) | A kind of multi-path data acquiring system based on Modbus | |
| CN102012890A (en) | Universal serial bus (USB) data transmission method for composite keyboard and fingerprint recognizer | |
| CN201830287U (en) | Controller area network (CAN) open-RS232 gateway | |
| CN201813396U (en) | CANopen-CAN (controller area network) gateway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220715 Address after: No.17 Binhe Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Guizhou Power Grid Co.,Ltd. Address before: 550000 No. 251, Jiefang Road, Guiyang, Guizhou Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, GUIZHOU POWER GRID Co.,Ltd. Patentee before: Holley Technology Ltd. |