CN103002129A - Smartphone-based HART (highway addressable remote transducer) handheld operator and implementation method thereof - Google Patents
Smartphone-based HART (highway addressable remote transducer) handheld operator and implementation method thereof Download PDFInfo
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- CN103002129A CN103002129A CN2012104608337A CN201210460833A CN103002129A CN 103002129 A CN103002129 A CN 103002129A CN 2012104608337 A CN2012104608337 A CN 2012104608337A CN 201210460833 A CN201210460833 A CN 201210460833A CN 103002129 A CN103002129 A CN 103002129A
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Abstract
The invention relates to a smartphone-based HART (highway addressable remote transducer) handheld operator and an implementation method thereof. The smartphone-based HART handheld operator comprises a smartphone with a smart operating system, a storage card with HART configuration software, and an HART wireless communication interface with a wireless communication function. The storage card is disposed in the smartphone. The smartphone is communicated with the HART wireless communication interface by means of WIFI (wireless-fidelity). The HART wireless communication interface is communicated with HART field devices through standard HART communication protocol. A user can communicate with HART field instruments conveniently with the smartphone which is widely popularized, and accordingly the handheld operator has the advantages of flexibility, portability, practicality, high cost performance and the like. A complete HART master station data link layer is built in the wireless communication face, so that the handheld operator is compatible with all HART field devices. Universal handheld operators meeting various fieldbus standards can be assembled flexibly and conveniently by changing different wireless communication interfaces.
Description
Technical field
The present invention relates to a kind of industrial control technology, particularly a kind of HART manual operator and implementation method based on smart mobile phone.
Background technology
The HART agreement has now become the standard of intelligence instrument " in fact " as the agreement of an opening.From U.S. authority's automation Market Report, present global smart instrumentation, the demand that particularly meets HART protocol-intelligent instrument are still increasing year by year.
The HART agreement is as a kind of master-slave mode communication protocol, minute for main equipment with from equipment, by the promoter of main equipment as digital communication, from equipment as the respondent.HART agreement main equipment comprises two classes: industry control PC system is the first kind, mainly realizes the Real Time Monitoring of on-the-spot HART from device parameter and state; Handheld manipulator is the Equations of The Second Kind main equipment, is mainly used in on-the-spot HART from parameter adjustment and the test maintaining of equipment, connecting system just in needs adjustment or maintenance only, and because be portable set, can move freely and access.Now widely used HART handheld manipulator mainly is the product of external major company, and such as 375,475 etc. of Rosemount company, domestic is less, such as the manual operator based on palmtop PC of SIPAI company.But these equipment prices are expensive, need the special corresponding machine that is equipped with, and can not accomplish to carry, and must remove specially to seek such equipment when needing operation, to the user with a lot of inconvenience.
Summary of the invention
It is expensive to the present invention be directed to existing HART handheld manipulator, the problem of Portable belt not, a kind of HART manual operator and implementation method based on smart mobile phone proposed, the user carries smart mobile phone and can realize the correct on-the-spot of HART protocol-intelligent instrument and the function of maintenance, improves flexibility.
Technical scheme of the present invention is: a kind of HART manual operator based on smart mobile phone, comprise that a smart mobile phone that intelligent operating system is installed, memory card that the HART configuration software is housed, one have the HART wireless communication interface of radio communication function and built-in standard HART main website data link, memory card places smart mobile phone, adopt the WIFI communication mode between smart mobile phone and the HART wireless communication interface, adopt the HART communication protocol of standard between HART wireless communication interface and the HART field apparatus.
Described HART wireless communication interface is processed by HART communication port, power channel and data and communication port forms, and the HART communication port is comprised of DC-isolation module, signal condition module, HART modulation /demodulation module successively; Power channel, by the power supply adjusting module, lithium battery and charging circuit form; Data are processed and communication port, are comprised of wireless communication module and MCU microprocessor; The HART field apparatus is by HART communication port transmission HART standard signal, and the signal of HART communication port transmission is sent into the MCU microprocessor and carried out sending by wireless communication module after data are processed.Described smart mobile phone is selected the IPHONE smart mobile phone of Apple, and memory card directly adopts the built-in FLASH memory card of IPHONE smart mobile phone, and the HART modulator-demodulator is selected A5191 in the HART wireless communication interface, and the MCU microprocessor is selected LPC1226FBD.
A kind of HART manual operator implementation method based on smart mobile phone comprises the HART manual operator based on smart mobile phone, specifically comprises the steps:
1) user carries out command operation at the smart mobile phone operation interface, the HART configuration software is passed to the WIFI module of HART wireless communication interface with corresponding operation code by the WIFI network in the memory card, and the WIFI module is sent into signal the MCU microprocessor of HART wireless communication interface;
2) the MCU microprocessor is resolved the operation code that receives, then send into HART main website protocol stack, give HART modulation /demodulation module data after HART main website protocol stack carries out the HART protocol encapsulation and carries out sequencing control and carry out the signal modulation, then through sending to on-the-spot HART equipment after signal condition module and the DC-isolation module;
The HART signal of 3) coming from the HART field apparatus passes through the DC-isolation module the HART wireless communication interface, remove 4-20mA flip-flop, arrive HART modulation /demodulation module through the signal condition module again, output digit signals after the demodulation of HART modulation /demodulation module, deliver to the MCU microprocessor with the UART interface mode, HART main website data link layer and the application layer of standard that the MCU microprocessor is built-in, HART main website data link layer can receive the standard HART Frame from the HART field apparatus, and pass to application layer after the process dissection process, application layer is carried out the command code after resolving, and result passed to smart mobile phone by the WIFI network, configuration software in the smart mobile phone is analyzed the data that receive among the WIFI, is presented in the user interface.
Beneficial effect of the present invention is: the HART manual operator and the implementation method that the present invention is based on smart mobile phone, hardware platform from strength to strength, display resolution is more and more higher, display effect is become better and better, thereby have powerful data processing ability and have good user to use the interface, improved user's experience; The smart mobile phone popularity rate is very high, and the user once by the function that can realize communicating by letter with the HART field instrument, has flexible, portable, practical, cost performance advantages of higher conveniently; The operation interface of full Chinese is more suitable for domestic use; Built-in complete HART main website data link layer can be compatible with all HART field apparatuss in the wireless communication interface; By changing different wireless communication interfaces, can be convenient, flexible be assembled into the general manual operator that meets various standard for Fieldbus.
Description of drawings
Fig. 1 is the HART manual operator structured flowchart that the present invention is based on smart mobile phone;
Fig. 2 is the internal structure schematic diagram that the present invention is based on wireless communication interface in the HART manual operator of smart mobile phone;
Fig. 3 is the HART manual operator data transmit-receive process schematic diagram that the present invention is based on smart mobile phone;
Fig. 4 is the HART manual operator embodiment schematic diagram that the present invention is based on smart mobile phone.
Embodiment
Based on the HART manual operator structured flowchart of smart mobile phone, comprise that one one is equipped with the smart mobile phone 102 of intelligent operating system (such as IOS, Android, Windows Phone), a memory card 101 that the HART configuration software is housed, the HART wireless communication interface 103 with radio communication function as shown in Figure 1.Adopt the WIFI communication mode between smart mobile phone 102 and the HART wireless communication interface 103.Adopt the HART communication protocol of standard between HART wireless communication interface 103 and the HART field apparatus 104.
The internal structure schematic diagram of wireless communication interface as shown in Figure 2, HART wireless communication interface 103 is comprised of three parts: first is the HART communication port, be mainly used to transmit the HART digital signal, be comprised of DC-isolation module 206, signal condition module 205, HART modulation /demodulation module 204 successively, the HART signal of guaranteeing sending and receiving all is the signal of standard; Second portion is power channel, is mainly used to adjust internal supply voltage and gives lithium cell charging, and by power supply adjusting module 201, lithium battery 207 and charging circuit 202 form; Third part is that data are processed and communication port, realizes the radio communication between smart mobile phone 101 and the HART field apparatus 104, is comprised of wireless communication module 203 and MCU microprocessor 208.
Fig. 3 realizes the data transmit-receive schematic diagram among the present invention.Take smart mobile phone 102 receive datas as example, the standard HART Frame that HART field apparatus 104 is come passes to HART main website data link layer 305 through HART physical layer 306, pass to HART application layer 304 through behind the data frame analyzing, through command analysis and after carrying out, be that particular data or the protocol format of upper layer communication agreement passed to intelligent operating system 302 through WIFI network 303 with HART order and the data-mapping that comprises, intelligent operating system 302 reads configuration software and carries out from memory card 101, finally the data of HART field apparatus are presented in the user interface 301.
Realize the data transmit-receive function of user interface and standard on the smart mobile phone 102, according to need not operating of user, send different operation codes to HART wireless communication interface 103, and receive the data from HART wireless communication interface 103, feed back to the corresponding configuration info of user; Built-in HART main website data link layer 305 and the application layer 304 of standard in the HART wireless communication interface 103, HART main website data link layer 305 can receive the standard HART Frame from HART field apparatus 104, and pass to application layer 304 after the process dissection process, application layer 304 is carried out the command code after the parsing, and result is passed to smart mobile phone 102 by wireless module; Wireless communication interface receives the operation code from smart mobile phone, carries out corresponding operation and forms standard HART Frame, passes to HART field apparatus 104 through HART main website data link layer 305 again.
Fig. 4 is the schematic diagram of a specific embodiment of patent of the present invention.What wherein smart mobile phone was selected is the IPHONE4 mobile phone 402 of Apple, because its built-in FLASH memory card, so our memory card directly adopts the FLASH memory card 401 of embedded in mobile phone, the mode of HART communication interface 103 employing independent researches.That the HART modulator-demodulator is selected in the HART communication interface 103 is A5191, and MCU selects LPC1226FBD.
The process that IPHONE4 mobile phone 402 receives on-the-spot HART equipment 104 data is: the HART signal of coming from the HART field apparatus passes through DC-isolation module 206 HART communication interface 103, remove 4-20mA flip-flop, arrive HART modulation /demodulation module 204 through signal condition module 205 again, there are shaping and filtration module in HART modulation /demodulation module 204 inside, output digit signals after demodulation is delivered to ARM microprocessor LPC1226FBD with the UART interface mode at last.The data that receive are processed and protocol conversion in application layer accordingly through after the filtration of data link layer in the ARM microprocessor, pass to IPHONE4 mobile phone 402 by the WIFI network at last.Configuration software in the mobile phone is analyzed the data that receive among the WIFI, if active data then is presented in the user interface.
The process that on-the-spot HART equipment 104 receives IPHONE4 mobile phone 402 data is: the user carries out valid function in operation interface after, configuration software can be passed to the WIFI module of HART communication interface 103 to corresponding operation code by the WIFI network, and the WIFI module is passed to arm processor LPC1226FBD in the HART communication interface 103 by the UART form.Arm processor is resolved the operation code that receives, if valid function then forms the HART Frame of standard, then sends into HART main website protocol stack.Give HART modulation /demodulation module 204 data after HART main website protocol stack carries out the HART protocol encapsulation and carries out sequencing control and carry out the signal modulation, then through sending to on-the-spot HART equipment 104 after signal condition module 205 and the DC-isolation module 206.
Claims (4)
1. HART manual operator based on smart mobile phone, it is characterized in that, comprise that a smart mobile phone that intelligent operating system is installed, memory card that the HART configuration software is housed, one have the HART wireless communication interface of radio communication function and built-in standard HART main website data link, memory card places smart mobile phone, adopt the WIFI communication mode between smart mobile phone and the HART wireless communication interface, adopt the HART communication protocol of standard between HART wireless communication interface and the HART field apparatus.
2. described HART manual operator based on smart mobile phone according to claim 1, it is characterized in that, described HART wireless communication interface is processed by HART communication port, power channel and data and communication port forms, and the HART communication port is comprised of DC-isolation module, signal condition module, HART modulation /demodulation module successively; Power channel, by the power supply adjusting module, lithium battery and charging circuit form; Data are processed and communication port, are comprised of wireless communication module and MCU microprocessor; The HART field apparatus is by HART communication port transmission HART standard signal, and the signal of HART communication port transmission is sent into the MCU microprocessor and carried out sending by wireless communication module after data are processed.
3. described HART manual operator based on smart mobile phone according to claim 2, it is characterized in that, described smart mobile phone is selected the IPHONE smart mobile phone of Apple, memory card directly adopts the built-in FLASH memory card of IPHONE smart mobile phone, the HART modulator-demodulator is selected A5191 in the HART wireless communication interface, and the MCU microprocessor is selected LPC1226FBD.
4. the HART manual operator implementation method based on smart mobile phone comprises the HART manual operator based on smart mobile phone, it is characterized in that, specifically comprises the steps:
1) user carries out command operation at the smart mobile phone operation interface, the HART configuration software is passed to the WIFI module of HART wireless communication interface with corresponding operation code by the WIFI network in the memory card, and the WIFI module is sent into signal the MCU microprocessor of HART wireless communication interface;
2) the MCU microprocessor is resolved the operation code that receives, then send into HART main website protocol stack, give HART modulation /demodulation module data after HART main website protocol stack carries out the HART protocol encapsulation and carries out sequencing control and carry out the signal modulation, then through sending to on-the-spot HART equipment after signal condition module and the DC-isolation module;
The HART signal of 3) coming from the HART field apparatus passes through the DC-isolation module the HART wireless communication interface, remove 4-20mA flip-flop, arrive HART modulation /demodulation module through the signal condition module again, output digit signals after the demodulation of HART modulation /demodulation module, deliver to the MCU microprocessor with the UART interface mode, HART main website data link layer and the application layer of standard that the MCU microprocessor is built-in, HART main website data link layer can receive the standard HART Frame from the HART field apparatus, and pass to application layer after the process dissection process, application layer is carried out the command code after resolving, and result passed to smart mobile phone by the WIFI network, configuration software in the smart mobile phone is analyzed the data that receive among the WIFI, is presented in the user interface.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110457056A (en) * | 2019-08-01 | 2019-11-15 | 无锡格林通安全装备有限公司 | Instrument online upgrading method and reception device based on HART bus |
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| US20030023795A1 (en) * | 2001-07-30 | 2003-01-30 | Steve Packwood | Multi-protocol field device and communication method |
| CN201004652Y (en) * | 2007-01-09 | 2008-01-09 | 上海工业自动化仪表研究所 | Hand-held operating instrument based on HEAR protocol of palm computer |
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| CN110457056A (en) * | 2019-08-01 | 2019-11-15 | 无锡格林通安全装备有限公司 | Instrument online upgrading method and reception device based on HART bus |
| CN110457056B (en) * | 2019-08-01 | 2021-07-02 | 无锡格林通安全装备有限公司 | Instrument on-line upgrading method and receiving device based on HART bus |
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Application publication date: 20130327 |