CN201765692U - General meter-reading controller for carrier wave electric energy meter - Google Patents
General meter-reading controller for carrier wave electric energy meter Download PDFInfo
- Publication number
- CN201765692U CN201765692U CN 201020508811 CN201020508811U CN201765692U CN 201765692 U CN201765692 U CN 201765692U CN 201020508811 CN201020508811 CN 201020508811 CN 201020508811 U CN201020508811 U CN 201020508811U CN 201765692 U CN201765692 U CN 201765692U
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- power line
- line carrier
- interface circuit
- carrier wave
- circuit
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Abstract
The utility model discloses a general meter-reading controller for a carrier wave electric energy meter, which comprises an interface circuit communicated with a PC (Personal Computer), a level switching circuit and a power line carrier wave module interface circuit, wherein the interface circuit communicated with the PC comprises a USB (Universal Serial Bus) interface circuit and a serial port RS232 interface circuit; a data selector for selecting 1 from four 2s is connected between the level switching circuit and the power line carrier wave module interface circuit; the power line carrier wave module interface circuit comprises an interface socket based on different pluggable type power line carrier wave modules; and the interface socket can be compatible with different power line carrier wave modules and also compatible with small wireless intelligent electric energy meters. The general meter-reading controller has the advantages that different power line carrier wave modules can be compatible; the transmission of the date of different power line carrier wave frequency ranges is realized; the generality is good; the real-time communication control of the power line carrier wave modules can be realized through a USB interface or a serial port RS232 and the PC; and the portability is good.
Description
Technical field
The utility model relates to a kind of general control device of copying that is used for carrier electric energy meter.
Background technology
Voltage power-line carrier communication technology has obtained using widely at electric energy and various energy measurements field at present, yet each carrier communication manufacturer copy the control device of all kinds, its design, profile and performance are very different, its versatility, portability are all generally relatively poor, because the existing control device of copying can not compatible multiple different power line carrier module, and there is monistic defective in the communication mode between power line carrier module and the PC, and this has directly influenced this and has copied the usability of control device.
The utility model content
The purpose of this utility model is to provide can satisfying at the scene of a kind of universalization, portability to debug, test and the general control device of copying that is used for carrier electric energy meter of work requirements such as maintenance.
This general control device of copying that is used for carrier electric energy meter that the utility model provides, comprise the interface circuit of communicating by letter with PC, level shifting circuit, the power line carrier module interface circuit, described interface circuit of communicating by letter with PC comprises usb circuit and serial ports RS232 interface circuit, be connected with one 42 between described level shifting circuit and the described power line carrier module interface circuit and select 1 data selector, realize power line carrier module and the USB interface of PC or the selection of serial ports RS232 communication mode, described power line carrier module interface circuit adopts based on the national grid standard, the interface socket of plug type power line carrier module is used for compatible different power line carrier modules.
Described 42 select 1 data selector to adopt chip 74157, and described usb circuit adopts chip CP2102, and described serial ports RS232 interface circuit adopts the serial ports RS232 chip SN65C322 of company of Texas Instrument (TI).
Power line carrier module interface circuit of the present utility model is owing to the interface socket that has adopted based on different plug type power line carrier modules, make the compatible different power line carrier module of its energy, can change the power line carrier module at any time as required, realize the transmission of different power line carrier frequency range data, can also arrange in pairs or groups and use small wireless electric energy table module, realize its data communication function, versatility is good, and interface circuit of communicating by letter with PC of the present utility model comprises usb circuit and serial ports RS232 interface circuit, thereby can realize that the power line carrier module carries out real-time Communication for Power control by USB interface or serial ports RS232 and PC, good portability, when the power line carrier module is communicated by letter with PC by any mode among USB interface and the serial ports RS232, the capital is that interface circuit of shielding use useless automatically, this automatic function of shielding can reduce power consumption, reaches energy-conservation purpose.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
Fig. 1 is a schematic block circuit diagram of the present utility model, comprise the interface circuit of communicating by letter with PC, level shifting circuit, the power line carrier module interface circuit, power supply, described power supply provides operating voltage for the utility model, level shifting circuit is realized the level conversion between power line carrier signal and USB and the serial ports RS232 signal, the interface circuit of communicating by letter with PC comprises usb circuit and serial ports RS232 interface circuit, between level shifting circuit and described power line carrier module interface circuit, be connected with one 42 and select 1 data selector, realize power line carrier module and the USB interface of PC or the selection of serial ports RS232 communication mode, and, it can compatible 3.3V and 5V light current interface power line carrier module, described power line carrier module interface circuit is according to defining about electric energy meter carrier communication module strong and weak electricity interface pin in " intelligent electric energy meter series standard a surname of State Grid Corporation of China is passed through the material first fascicle intelligent electric energy meter series standard ", adopt network carrier communication unified standard standard, based on plug type power line carrier modular design, adopt the interface socket of the compatible a plurality of different power line carrier modules of energy, simultaneously, can also compatible small wireless intelligent electric energy meter module.Usb circuit is realized 5V feed circuit and the interface safeguard function of usb signal conversion, USB, and wherein the 5V feed circuit of USB can satisfy small wireless intelligent electric energy meter module operate as normal and need not external power source.Serial ports RS232 interface circuit is realized the RS232 level conversion, the serial ports safeguard function,
Fig. 2 is a circuit diagram of the present utility model, XS3 wherein, XS4, XS5, XS6 is the interface socket based on different power line carrier modules that described power line carrier module interface circuit adopts, they are respectively the double 4 needle interface socket 2171-204 of dimension peak electronics corporation, double 6 needle interface socket 2171-206, double 10 needle interface socket 2171-2010, double 11 needle interface socket 2171-2011, these different power line carrier module interface sockets that the utility model comprises, make that the utility model can compatible different power line carrier module, can change the power line carrier module at any time as required, realize different power line carrier frequency range data transmission, reach the purpose of versatility.D4 is the serial ports RS232 chip SN65C322 of company of Texas Instrument (TI); V6 and V7 are two two-way transient suppressor SMBJ22CA; realize plug interface safeguard functions such as electrostatic prevention; D6 is chip CP2102; realize usb function; D8 and D9 are two paster electrostatic prevention pipe PESD5V0L1BA; defencive function when realizing the USB hot plug; D18 described 42 selects 1 data selector chip 74157; the power supply that VBUS is provided for the 5V feed circuit of USB; RXD_M is the received signal of power line carrier module, and TXD_M is the transmission signal of power line carrier module, and RXD_232 is the received signal of serial ports RS232 interface circuit; TXD_232 is the transmission signal of serial ports RS232 interface circuit; RXD_USB is the received signal of usb circuit, and TXD_USB is the transmission signal of usb circuit, and V3P3 is the 3.3V power supply.When VBUS is high level, the 4th pin of D18 is connected with its 3rd pin, the 7th pin is connected with the 6th pin, the 9th pin is connected with the 10th pin, be that RXD_M is connected with RDX_USB, TXD_232 is connected with V3P3, TXD_USB is connected with TXD_M, realization power line carrier module is communicated by letter with PC by USB interface, when VBUS is low level, the 4th pin of D18 is connected with its 2nd pin, the 7th pin is connected with the 5th pin, the 9th pin is connected with the 11st pin, be that RXD_M is connected with RDX_232, TXD_232 is connected with TXD_M, TXD_USB is connected with V3P3, realization power line carrier module is communicated by letter with PC by serial ports RS232 interface, when the power line carrier module communicates by usb circuit and PC, thereby TXD_232 is connected with V3P3 and has shielded serial ports RS232 interface circuit automatically, when the power line carrier module is communicated by letter with PC by serial ports RS232 interface circuit, thereby TXD_USB is connected with V3P3 and has shielded usb circuit automatically, and this automatic function of shielding can reduce power consumption, reaches energy-conservation and guarantees the purpose of operate as normal.
Claims (4)
1. general control device of copying that is used for carrier electric energy meter, comprise the interface circuit of communicating by letter with PC, level shifting circuit, the power line carrier module interface circuit, it is characterized in that described interface circuit of communicating by letter with PC comprises usb circuit and serial ports RS232 interface circuit, be connected with one 42 between described level shifting circuit and the described power line carrier module interface circuit and select 1 data selector, realize power line carrier module and the USB interface of PC or the selection of serial ports RS232 communication mode, described power line carrier module interface circuit adopts the interface socket based on the plug type power line carrier module of national grid standard.
2. the general control device of copying that is used for carrier electric energy meter according to claim 1 is characterized in that described 42 select 1 data selector to adopt chip 74157.
3. the general control device of copying that is used for carrier electric energy meter according to claim 1 is characterized in that described usb circuit adopts chip CP2102.
4. the general control device of copying that is used for carrier electric energy meter according to claim 1 is characterized in that described serial ports RS232 interface circuit adopts the serial ports RS232 chip SN65C322 of Texas Instruments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020508811 CN201765692U (en) | 2010-08-30 | 2010-08-30 | General meter-reading controller for carrier wave electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020508811 CN201765692U (en) | 2010-08-30 | 2010-08-30 | General meter-reading controller for carrier wave electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201765692U true CN201765692U (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020508811 Expired - Lifetime CN201765692U (en) | 2010-08-30 | 2010-08-30 | General meter-reading controller for carrier wave electric energy meter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843167A (en) * | 2012-09-07 | 2012-12-26 | 湖北省电力公司电力科学研究院 | Mobile power carrier wave measuring device and measuring method |
| CN104348520A (en) * | 2014-08-19 | 2015-02-11 | 国家电网公司 | Multifunctional carrier module tester |
| CN105137383A (en) * | 2015-07-31 | 2015-12-09 | 国家电网公司 | Method for reducing replacement rate of electric energy meter |
| CN105610244A (en) * | 2016-01-15 | 2016-05-25 | 国家电网公司 | Diagnosing and debugging instrument for district metering equipment |
| CN106097691A (en) * | 2016-08-15 | 2016-11-09 | 广东电网有限责任公司电力科学研究院 | A kind of multimode multi-frequency telecommunication transmission system |
| CN106845294A (en) * | 2016-12-23 | 2017-06-13 | 安徽康海时代科技股份有限公司 | RJ45 type serial servers with serial ports protection |
| CN108957288A (en) * | 2018-06-11 | 2018-12-07 | 南京尤尼泰信息科技有限公司 | A kind of test substrate suitable for plurality of specifications crystal oscillator |
| CN110491111A (en) * | 2019-07-24 | 2019-11-22 | 浙江华云信息科技有限公司 | Built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter |
| CN110827528A (en) * | 2019-11-14 | 2020-02-21 | 广东电网有限责任公司 | Micro-power wireless defect elimination module and power data transmission method |
| CN113595593A (en) * | 2021-07-16 | 2021-11-02 | 联桥科技有限公司 | Carrier forwarding circuit with parallel communication serial ports |
-
2010
- 2010-08-30 CN CN 201020508811 patent/CN201765692U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843167A (en) * | 2012-09-07 | 2012-12-26 | 湖北省电力公司电力科学研究院 | Mobile power carrier wave measuring device and measuring method |
| CN104348520A (en) * | 2014-08-19 | 2015-02-11 | 国家电网公司 | Multifunctional carrier module tester |
| CN105137383A (en) * | 2015-07-31 | 2015-12-09 | 国家电网公司 | Method for reducing replacement rate of electric energy meter |
| CN105610244A (en) * | 2016-01-15 | 2016-05-25 | 国家电网公司 | Diagnosing and debugging instrument for district metering equipment |
| CN106097691A (en) * | 2016-08-15 | 2016-11-09 | 广东电网有限责任公司电力科学研究院 | A kind of multimode multi-frequency telecommunication transmission system |
| CN106845294A (en) * | 2016-12-23 | 2017-06-13 | 安徽康海时代科技股份有限公司 | RJ45 type serial servers with serial ports protection |
| CN108957288A (en) * | 2018-06-11 | 2018-12-07 | 南京尤尼泰信息科技有限公司 | A kind of test substrate suitable for plurality of specifications crystal oscillator |
| CN108957288B (en) * | 2018-06-11 | 2023-10-13 | 南京尤尼泰信息科技有限公司 | Test substrate suitable for multiple specification crystal oscillator |
| CN110491111A (en) * | 2019-07-24 | 2019-11-22 | 浙江华云信息科技有限公司 | Built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter |
| CN110827528A (en) * | 2019-11-14 | 2020-02-21 | 广东电网有限责任公司 | Micro-power wireless defect elimination module and power data transmission method |
| CN113595593A (en) * | 2021-07-16 | 2021-11-02 | 联桥科技有限公司 | Carrier forwarding circuit with parallel communication serial ports |
| CN113595593B (en) * | 2021-07-16 | 2023-05-09 | 联桥科技有限公司 | Carrier wave forwarding circuit with parallel communication serial ports |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 468 Tongzipo West Road, Changsha High-tech Industrial Development Zone, Yuelu District, Changsha City, Hunan Province Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd. Address before: 410205 No. 468 Tongzipo West Road, Changsha High-tech Industrial Development Zone, Yuelu District, Changsha City, Hunan Province Patentee before: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address after: 410205 No. 468 Tongzipo West Road, Changsha High-tech Industrial Development Zone, Yuelu District, Changsha City, Hunan Province Patentee after: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address before: 410205 No. 468 Tongzipo West Road, Changsha High-tech Industrial Development Zone, Yuelu District, Changsha City, Hunan Province Patentee before: CHANGSHA WASION INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |