CN203055155U - Handheld automatic meter reader based on STM32 (SGS-THOMSON Microelectronics) - Google Patents
Handheld automatic meter reader based on STM32 (SGS-THOMSON Microelectronics) Download PDFInfo
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- CN203055155U CN203055155U CN 201220725586 CN201220725586U CN203055155U CN 203055155 U CN203055155 U CN 203055155U CN 201220725586 CN201220725586 CN 201220725586 CN 201220725586 U CN201220725586 U CN 201220725586U CN 203055155 U CN203055155 U CN 203055155U
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Abstract
The utility model discloses a handheld automatic meter reader based on STM32 (SGS-THOMSON Microelectronics). The meter reader mainly comprises an STM32 microcontroller, an infrared transceiving module, a data storage module, an input operation module, a display module, a data uploading module and the like, wherein the STM32 microcontroller can generate certain frequency-modulated carriers; a transmitter of the infrared transceiving module transmits a read command to an intelligent power meter; the infrared transceiving module simultaneously receives an infrared data carrier signal coded and modulated by the intelligent power meter terminal; and the microcontroller receives the infrared data carrier signal in response, and decodes the signal to obtain a data frame, thereby realizing data information transmission from the intelligent power meter to the meter reader as well as information reading; the obtained data information is selectively stored on an onboard memory or a TF (trans-flash) card; and user power meter data can be uploaded to a computer system for managing user data through the data uploading module on the meter reader. The handheld automatic meter reader provided by the utility model has the characteristics of high speed in acquiring the power meter data and high meter reading efficiency, and can avoid all kinds of mistakes possibly occurring in manual reading and secondary data transmission, so that the handheld automatic meter reader has an important application value for power management departments.
Description
Technical field
The utility model relates to hand-held infrared data ' s acquisition device, and is especially a kind of for the hand-held Automatic Reading Instrument of Water Meter based on STM32 of gathering ammeter data.
Background technology
In recent years, expansion along with China's economy development and enterprise production and management scale, the use amount of electricity consumption client and electric energy increases year by year, this requires when power grid construction constantly develops, the automaticity of administration of power networks and data acquisition must improve thereupon, for strengthening the management of power use to the electricity consumption client, understand and grasp all kinds of electricity consumption clients' need for electricity and accurately it is carried out the electricity consumption metering, guarantee the economic benefit of electric power enterprise, client's electricity consumption data are in time gathered in electric power network company and metering seems particularly important, and a lot of local requirements that can not adapt to this development of the situation with electric data collecting and metering method at present.
For now, mostly adopt traditional manual metering mode to electricity consumer in the power industry with electric data collecting, namely send the meter reading personnel to remove on-the-spot manual metering, manually carry out tabulate statistics then, these process needs are employed a lot of manpower and materials, the outstanding shortcoming of this acquisition mode is that working strength is big, efficient is low, cost of labor and handling cost are bigger, and because diversity and the complicacy of field condition, can occur inevitably in the manual metering process copying less, mistake is copied, estimate and copy, fly to copy, leakage is copied, human feelings are copied and the not high situation of data accuracy, not only bring economic loss to Utilities Electric Co., also cause frequently between Utilities Electric Co. and user and contradiction occurs, also bring unnecessary trouble to power consumer, therefore how to adopt a kind of safety and precise, reliable and stable, easy and simple to handle, the meter-copy device system that safeguards is the technical matters that Utilities Electric Co. and enterprise need solve easily.
The utility model content
The technical problems to be solved in the utility model provides a kind of hand-held Automatic Reading Instrument of Water Meter based on STM32, this meter-copy device can be at the user scene reads user's information such as electric table number, electricity consumption situation by the mode of infrared communication or 433MHz radio communication from intelligent electric meter, again by any one mode in GPRS communication, ethernet communication or three kinds of communication modes of usb communication with the data upload that collects in data server, thereby effectively alleviate meter reading personnel's labour intensity, improve accuracy and the work efficiency with electric data collecting to the client.
For achieving the above object, the hand-held Automatic Reading Instrument of Water Meter based on STM32 that the utility model provides, it comprises STM32 microcontroller, infrared transceiver module, 433MHz wireless communication module, data memory module, input operation module, display module, data upload module, power module and address decoder, wherein:
Described STM32 microcontroller is selected the communication mode of use infrared transceiver module or 433MHz wireless communication module to read the data in the intelligent electric meter according to program setting and is stored in the working area of controller, and will be stored in data in the working area in the controller and optionally dump on the TF card that outside plate carries storer or insertion meter-copy device, control the data upload module simultaneously and finish data upload to the computer system of leading subscriber data; Read the data in the NOR Flash in the memory module and control the demonstration of the LCD of display module; Inquiry is from the interruptive command of keyboard driver, the control command of decoding simultaneously and operation response.
Described infrared transceiver module is made up of infrared transmitter and infrared receiver, in order to launch infrared ray command request and receiving infrared-ray reply data, transmits command request and data transmission between meter-copy device and intelligent electric meter.
Described 433MHz wireless communication module is used for transmitting command request and transmitting data information between meter-copy device and intelligent electric meter.
Described data memory module is the storer that plate carries, being used for storing microcontroller handles the data and the LCD that obtain and shows material and the word-base data that needs, this memory module is arranged with four storeies, is respectively NAND Flash, NOR Flash, SRAM, EEPROM and TF card, wherein:
NAND Flash storer is used for storage from the data of intelligent electric meter, when microcontroller with after the intelligent electric meter data decode that receive and extracting, store data in the NAND Flash, comprise user's electric energy metrical table code in these data, use energy data, dump energy data, metering data etc.
NOR Flash storer is used for being stored as the data of the utility model display module configuration material, the function picture that need use when mainly comprising demonstration and the binary data of Hanzi font library, and the STM32 microcontroller can directly read from this storer, and is used for showing at LCD.
The SRAM storer is used for guaranteeing the integrality of data, the energy data amount that receives when microcontroller is bigger, and microcontroller internal storage space relative deficiency, then the energy data that will receive leaves in the SRAM storer, after pending data finishes receiving, read also unloading again to NAND Flash.
What eeprom memory be used for to be preserved meter-copy device goes out field data and its data, comprises data such as ID number of this hand-held Automatic Reading Instrument of Water Meter, password.
The TF card is used for carrying and shifting of data, when the data conversion storage in the NAND Flash to the TF card, the data message of intelligent electric meter will be finished and shift and backup, and with the computer system of TF card connection to the leading subscriber data, the intelligent electric meter data message will be realized directly uploading.
The operation input end that described input operation module is the person of checking meter, comprise keyboard and keyboard driver, the person of checking meter is input command and related data on this module, and handles by STM32 microcontroller operation command with to data, makes hand-held Automatic Reading Instrument of Water Meter finish operations and operation.
Described display module is made up of color LCD liquid crystal and liquid crystal driver, this module is used for reflecting the progress of checking meter and the situation of checking meter in real time to the person of checking meter, show and relevant operations and the information of checking meter, the person of checking meter is taked corresponding measure according to the information content that shows, reaches accurate, copies power taking table data quickly and efficiently.
Described data upload module is used for the electricity consumption data message of user's intelligent electric meter of data memory module is uploaded to the computer system of managing user information, and this module is divided into three parts again, is respectively the USB module, ethernet module and GPRS communication module, wherein:
The USB module is made up of USB controller and USB interface, is used for finishing the usb communication function of the computer system of handing Automatic Reading Instrument of Water Meter and leading subscriber data, and the storage data of NAND Flash storer are uploaded to computer system by USB.
Ethernet module is made up of ethernet controller and Ethernet interface, in order to the ethernet communication function of the computing machine of finishing hand-held Automatic Reading Instrument of Water Meter and managing user information, and the storage data of NAND Flash storer are uploaded to the computer system of managing user information by Ethernet.
The GPRS communication module is handed Automatic Reading Instrument of Water Meter and managing user information compunication function in order to finish, and the storage data of NAND Flash storer is uploaded to the computer system of managing user information by Ethernet.
Described power module mainly is made up of electric pressure converter and voltage stabilizer, is used for the different voltage of output, provides corresponding power supply to each module of meter-copy device.
In the utility model, the STM32 microcontroller is connected with address decoder with infrared transceiver module, 433MHz wireless communication module respectively by corresponding interface circuit, and by keyboard controller and TF interface circuit and external keyboard and TF card connection.
The modular structure that the utility model adopts has the characteristics of general embedded system, unified bus interface is arranged, stronger real-time and stability, can finish the intelligent electric meter data acquisition task of a plurality of electricity consumers at short notice, this modular system also has antijamming capability strong, the characteristics that data transmission is stable, comparing its advantage with traditional manual metering is: the ammeter data collection is copied and accepted soon, the mistake that may occur in the time of can avoiding the secondary data transmission, abandoned traditional card of checking meter, statistical book, improved the work efficiency of checking meter greatly, can effectively alleviate meter reading personnel's work load, saving funds cost, and this Automatic Reading Instrument of Water Meter can find intelligent electric meter data exception situation by internal algorithm, is convenient to the management and administration of electric power enterprise.
Description of drawings:
Fig. 1 is that the utility model is based on the synoptic diagram of the hand-held Automatic Reading Instrument of Water Meter work of STM32.
Fig. 2 is the utility model is formed structure based on hand-held Automatic Reading Instrument of Water Meter one embodiment of STM32 synoptic diagram.
Fig. 3 is that the utility model is based on the workflow synoptic diagram of the hand-held Automatic Reading Instrument of Water Meter of STM32.
Specific embodiments:
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
In Fig. 1, Automatic Reading Instrument of Water Meter reads data by the mode of infrared communication or 433MHz radio communication from intelligent electric meter, data are sent to data in the data server via the mode that behaviour shows GPRS communication, ethernet communication or usb communication in the device after treatment.
Form structural representation by the hand-held Automatic Reading Instrument of Water Meter based on STM32 shown in Figure 2, this meter-copy device comprises STM32 microcontroller 201, its model is STM32F103, infrared transceiver module 202,433MHz wireless communication module 208, data memory module 203, input operation module 204, display module 205, data upload module 206 and TF card 209 and interface circuit thereof, power module is arranged on the circuit board of 43mm * 141mm, and according to actual needs, infrared ray emission and infrared ray receiver module are placed on the top of plank, ethernet controller and USB controller then are positioned over the bottom of plank, and other are then followed the circuit design principle and set type successively.In Fig. 2, STM32 microcontroller 201 is connected with infrared transceiver module 202,433MHz wireless communication module 208 and address decoder 207 respectively by corresponding interface circuit, and is connected with TF card 209 with external keyboard with the TF interface circuit by keyboard controller.
Embodiment of the present utility model adopts 6 bus apparatus, be respectively NAND Flash, NOR Flash, SRAM, USB controller CH374T, ethernet controller DM9000AE and liquid crystal LCD, make the FSMC bus of STM32 microcontroller 201 can hang 4 bus apparatus simultaneously at most, need these 6 bus apparatus are hung on the address decoder 207 for this reason,, and STM32 microcontroller 201 is controlled each bus apparatus of use by three FSMC control pins, the assurance data are interference-free, and program is normally moved.
Input operation module 104 is provided with 20 of single-point buttons, its function is respectively: ten of 0 ~ 9 digital input keys, directionkeys is four up and down, enter, withdraw from, determine, each one of cancellation, start, closing key, the input operation module is imitated the cell phone keyboard pattern, requires to arrange to satisfy the journey operations
Shown in Figure 3 is the workflow of a kind of embodiment of the utility model, during operation beginning S301, meter-copy device carries out the initialization S302 operation of system and each module earlier, then whether unusually system enters self check S303, if find to have unusual, then carry out abnormality processing S304 immediately, then do not enter idle loop and wait for the look-at-me S305 cycle, wait for external interrupt, if receive the look-at-me S306 from keyboard, the respective operations of immediately look-at-me being decoded and responding then, these operation responses comprise infrared emission request command S307, data conversion storage treatment S 308, data check treatment S 309, data upload treatment S 310 and shutdown system order S311, after system receives shutdown system order S311, meter-copy device system closing S315, the EO S316 of meter-copy device, said process all receive the order of the person of checking meter by keyboard controller and the look-at-me of generation is given microcontroller.
If the input command from keyboard interrupt signal S306 is to copy the data of getting in the intelligent electric meter, after the STM32 microcontroller is received the signal of infrared emission request command 307, at first penetrate the modulation signal that pipe transmits 38KHz to infrared hair line, send data transmission request signal to the intelligent electric meter terminal, microcontroller enters waiting status then, and in user's intelligent electric meter terminal, infrared remote receiver is received infrared communication command signal and decoding, transfer and to copy the energy data type of getting, and by the microcontroller modulating-coding, the energy data that needs are gathered according to the infrared communication rule encoding to modulated carrier, and by infrared transmission module emission infrared signal, the infrared receiver of hand-held Automatic Reading Instrument of Water Meter is received the data-signal that intelligent electric meter returns and microcontroller is sent the look-at-me 317 of infrared reception, microcontroller then responds reception and decode Frame in data decode S313, deposit data working area S314 successively in, when the insufficient space of working area, then deposit the data that receive in SRAM, (namely when data volume reaches maximal value, can deposit the data of buffer area in SRAM), and show by LCD and to check meter successfully, if in preset time, do not receive data then show the failure of checking meter at LCD, data finish receiving, and withdraw to interrupt and be back to idle loop waiting for the waiting period that look-at-me S305 entering.
If receiving from keyboard interrupt signal S306, the meter-copy device system to carry out the order of data conversion storage treatment S 308, system still can carry out initialization (because might program before can multiplexing function be arranged to the GPIO pin of this module to corresponding module, therefore to reinitialize), and in LCD demonstration unloading request whereabouts, three kinds of unloading modes are arranged in the utility model, a kind of is to NAND Flash from unloading in the microcontroller, a kind of be from NAND Flash unloading to the TF card, last a kind of is to the TF card from the direct unloading of microcontroller.Here need the unloading mode of inquiring that the person of checking meter is concrete, after receiving next step order of the person of checking meter, just carry out corresponding data conversion storage operation.If in this step, related to the TF card, then detect the TF card earlier and whether insert, inserted and then carried out the energy data unloading immediately, do not detect the TF card and then require to insert the TF card in the LCD prompting.Shift the back and come validate data transmissions according to check bit whether complete sum is correct, and inform the person of checking meter by LCD output information, after this system is back to idle loop and waits for the waiting period that look-at-me S305 continuing to enter.
If the input command from keyboard interrupt signal S306 is that energy data is uploaded in requirement, system then enters data upload treatment S 310 programs, data upload mode of the present utility model has three kinds, and a kind of is to upload by USB, and a kind of is to upload with the GPRS communication interface by Ethernet to upload.If adopt USB to upload, whether then at first detect the usb data line correctly is connected the USB interface of Automatic meter reading system with USB interface of computer, be that then data just can be transferred to computer system with ammeter data by the usb communication agreement, otherwise show to need connect the information of USB interface or connection error (failure) at LCD, selection also is like this by the Ethernet working method of uploading data of communicating by letter with GPRS.
When having detected USB line or ethernet line and GPRS line connecting system, USB or Ethernet or GPRS communication function will be enabled by system, and prompting has USB line or ethernet line and GPRS order wire to insert, after the order of receiving data upload, to reinitialize USB module or ethernet module or GPRS module equally, then just the data upload in the NAND Flash to the computer system of managing user information, uploading also will be by integrality and the correctness of check bit validate data transmissions after finishing, and inform the person of checking meter by LCD output information, after this system changes idle loop again over to and waits for look-at-me S305 program.
If being requirement, the input command of keyboard interrupt signal S306 carries out the electric energy meter data check, system then enters data check treatment S 309 programs and the data in each storer is handled, the individual data amount of energy data and total data volume are extracted, check then, if the summation of individual data amount is equal to total data volume, then check by the LCD demonstration and pass through, data are errorless, otherwise then show its error message at LCD, after this system changes idle loop again over to and waits for look-at-me S305 program.
If receive from keyboard interrupt signal S306 be shutdown system order S315, meter-copy device enters shutdown system S211 program, the STM32 microcontroller disconnects the system general supply, the S316 that quits work of system.
Claims (5)
1. the hand-held Automatic Reading Instrument of Water Meter based on STM32 is characterized in that; It comprises STM32 microcontroller, infrared transceiver module, 433MHz wireless communication module, data memory module, input operation module, display module, data upload module, power module and address decoder, wherein:
Described STM32 microcontroller select to use the communication mode of described infrared transceiver module or 433MHz wireless communication module to read the data in the intelligent electric meter according to program setting and is stored in the working area of controller, and will be stored in data in the working area in the microcontroller and optionally dump on the TF card that outside plate carries storer or insertion meter-copy device; Control described data upload module and finish data upload to the computer system of leading subscriber data; Read the data in the NOR Flash in the described data memory module and control the demonstration of the LCD of display module; Inquiry is from the interruptive command of keyboard driver, the control command of decoding simultaneously and operation response;
Described infrared transceiver module is made up of infrared transmitter and infrared receiver, in order to launch infrared ray command request and receiving infrared-ray reply data, works command request and the data transmission effect of transmitting between meter-copy device and intelligent electric meter;
Described 433MHz wireless communication module is used for transmitting command request and transmitting data information between meter-copy device and intelligent electric meter;
Described data memory module is the storer that plate carries, and the data and the LCD that are used for the processing acquisition of storage STM32 microcontroller and unloading show material and the word-base data that needs;
Described input operation module comprises keyboard and keyboard driver, is used for input command and related data, handles by STM32 microcontroller operation command with to data, makes hand-held Automatic Reading Instrument of Water Meter finish operations and operation;
Described display module is made up of color LCD liquid crystal and liquid crystal driver, and this module is used for reflecting the progress of checking meter and the situation of checking meter in real time, shows and relevant operations and the information of checking meter;
Described data upload module is used for the electricity consumption data message of user's intelligent electric meter of data memory module is uploaded to the computer system of managing user information;
Described power module is made up of electric pressure converter and voltage stabilizer, is used for the different voltage of output, provides corresponding power supply to each module of meter-copy device; And
The STM32 microcontroller is connected with address decoder with infrared transceiver module, 433MHz wireless communication module respectively by interface circuit, and by keyboard controller and TF interface circuit and external keyboard and TF card connection.
2. the hand-held Automatic Reading Instrument of Water Meter based on STM32 according to claim 1, it is characterized in that: described data memory module is provided with four storeies, is respectively NAND Flash, NOR Flash, SRAM, EEPROM and TF card, wherein:
NAND Flash storer is used for storage from the data of intelligent electric meter, when the STM32 microcontroller with after the intelligent electric meter data decode that receive and extracting, store data in the NAND Flash, comprise user's electric energy metrical table code in the data, use energy data, dump energy data, metering data;
NOR Flash storer is used for being stored as the data of display module configuration material, comprises the function picture that need use when showing and the binary data of Hanzi font library, and the STM32 microcontroller can directly read from this storer, and is used for showing at LCD;
The SRAM storer is used for guaranteeing the integrality of data, the energy data amount that receives when the STM32 microcontroller is bigger, and microcontroller internal storage space relative deficiency, then the energy data that will receive leaves in the SRAM storer, after pending data finishes receiving, read also unloading again to NAND Flash;
What eeprom memory be used for to be preserved meter-copy device goes out field data and its data, comprises ID number, code data of this hand-held Automatic Reading Instrument of Water Meter;
The TF card is used for carrying and shifting of data, when the data conversion storage in the NAND Flash to the TF card, the data message of intelligent electric meter will be finished and shift and backup, and with the computer system of TF card connection to the leading subscriber data, the intelligent electric meter data message will be realized directly uploading.
3. the hand-held Automatic Reading Instrument of Water Meter based on STM32 according to claim 1, it is characterized in that: described data upload module is divided into three parts, is respectively USB module, ethernet module and GPRS communication module, wherein:
The USB module is made up of USB controller and USB interface, is used for finishing the usb communication function of the computer system of handing Automatic Reading Instrument of Water Meter and leading subscriber data, and the storage data of NAND Flash storer are uploaded to computer system by USB;
Ethernet module is made up of ethernet controller and Ethernet interface, in order to the ethernet communication function of the computing machine of finishing hand-held Automatic Reading Instrument of Water Meter and managing user information, and the storage data of NAND Flash storer are uploaded to the computer system of managing user information by Ethernet;
The GPRS communication module is handed Automatic Reading Instrument of Water Meter and managing user information compunication function in order to finish, and the storage data of NAND Flash storer is uploaded to the computer system of managing user information by Ethernet.
4. the hand-held Automatic Reading Instrument of Water Meter based on STM32 according to claim 1, it is characterized in that: adopting 6 bus apparatus in meter-copy device, is respectively NAND Flash, NOR Flash, SRAM, USB controller CH374T, ethernet controller DM9000AE and liquid crystal LCD; The FSMC bus of STM32 microcontroller can be hung 4 bus apparatus simultaneously, and 6 bus apparatus are hung on the address decoder, and the STM32 microcontroller uses each bus apparatus by the control of three FSMC control pins.
5. the hand-held Automatic Reading Instrument of Water Meter based on STM32 according to claim 1, it is characterized in that: the model of STM32 microcontroller is STM32F103.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725586 CN203055155U (en) | 2012-12-26 | 2012-12-26 | Handheld automatic meter reader based on STM32 (SGS-THOMSON Microelectronics) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220725586 CN203055155U (en) | 2012-12-26 | 2012-12-26 | Handheld automatic meter reader based on STM32 (SGS-THOMSON Microelectronics) |
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| CN203055155U true CN203055155U (en) | 2013-07-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050000A (en) * | 2012-12-26 | 2013-04-17 | 广西师范大学 | STM32-based handheld automatic meter reader |
| CN105160852A (en) * | 2015-09-01 | 2015-12-16 | 张文 | Novel Bluetooth electric meter and managing method |
| CN105467203A (en) * | 2015-11-18 | 2016-04-06 | 国家电网公司 | Energy metering gauging system and using method thereof |
| CN106485899A (en) * | 2016-10-12 | 2017-03-08 | 国网福建省电力有限公司 | Family table wiring test device and its method of testing based on the power frequency distortion communication technology |
-
2012
- 2012-12-26 CN CN 201220725586 patent/CN203055155U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050000A (en) * | 2012-12-26 | 2013-04-17 | 广西师范大学 | STM32-based handheld automatic meter reader |
| CN105160852A (en) * | 2015-09-01 | 2015-12-16 | 张文 | Novel Bluetooth electric meter and managing method |
| CN105467203A (en) * | 2015-11-18 | 2016-04-06 | 国家电网公司 | Energy metering gauging system and using method thereof |
| CN106485899A (en) * | 2016-10-12 | 2017-03-08 | 国网福建省电力有限公司 | Family table wiring test device and its method of testing based on the power frequency distortion communication technology |
| CN106485899B (en) * | 2016-10-12 | 2019-04-26 | 国网福建省电力有限公司 | Family table wiring test device and its test method based on the power frequency distortion communication technology |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20131226 |