CN203872195U - HART hand-held device based on GSM - Google Patents
HART hand-held device based on GSM Download PDFInfo
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- CN203872195U CN203872195U CN201420273769.6U CN201420273769U CN203872195U CN 203872195 U CN203872195 U CN 203872195U CN 201420273769 U CN201420273769 U CN 201420273769U CN 203872195 U CN203872195 U CN 203872195U
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 238000013500 data storage Methods 0.000 claims description 10
- 210000000352 storage cell Anatomy 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000007726 management method Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 8
- 238000003745 diagnosis Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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Abstract
Provided is a HART hand-held device based on the GSM. The device comprises a MCU main control unit, a power unit, a liquid crystal display unit, a HART module unit, a GSM module unit, a data memory unit, and a watchdog unit. The power unit, the liquid crystal display unit, the HART module unit, the GSM module unit, the data memory unit, and the watchdog unit are respectively connected with the MCU main control unit. The MCU main control unit is connected with on-site industrial instruments in a communication manner through the HART module unit. The MCU main control unit is connected with a computer monitoring center in a communication manner through the GSM module unit. The HART hand-held device can debug industrial instruments on site, and also can open the GSM network to realize on-site industrial instrument remote management and maintenance, thereby reducing maintenance cost and effectively solving on-site problems in time.
Description
Technical field
The utility model relates to a kind of external configuration management equipment of field instrument of industrial automation, and particularly a kind of GSM of having function realizes the HART hander of industrial instrument manufacturer to the configuration of field instrument remote parameter, diagnosis maintenance, monitoring management.
Background technology
At industrial automation, increasing field instrument is smart instrumentation, and mostly support HART agreement, this kind equipment is widely used in the occasions such as chemical industry, oil, metallurgy, power plant, manufacture, adopt general HART hand-hold type to debug to the management maintenance of kind equipment is normal.Can only at the scene or configure the on-the-spot industrial instrument of electric cabinet place configuration management by general HART hander.If field instrument needs device fabrication producer management maintenance, can only arrange attendant's on-site maintenance of going on business by device fabrication producer.
Be a kind of general HART manual operator for the utility model of applying in Chinese patent CN201220737550.8, do not there is telecommunication capabilities, cannot complete long-distance management maintenance.
It is the HART bus collection device with GPRS transfer function for the utility model of applying in Chinese patent ZL200520044642.8, its shortcoming one is to pass through at the scene HART hander direct control instrument, sets relevant parameter because sometimes need according to on-the-spot material situation; The 2nd, Instrument use scene, GPRS network is not built completely.
The HART manual operator based on smart mobile phone for the utility model of applying in Chinese patent CU203014942U, it is HART configuration software storage card in smart mobile phone, then be connected with a WIFI agreement HART Wireless Telecom Equipment, its shortcoming is: around on-the-spot industrial instrument, WIFI networking is little, its practicality is not fine, and user cannot use single HART Wireless Telecom Equipment operation site instrument in addition.
Therefore, need especially a kind of HART hander based on GSM, to solve the above-mentioned existing problem existing.
Utility model content
The purpose of this utility model is to provide a kind of HART hander based on GSM, for the deficiencies in the prior art, increases the function of telecommunication, facilitates user to administer and maintain on-the-spot industrial instrument by this apparatus remote.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of HART hander based on GSM, it is characterized in that, it comprises MCU main control unit, power subsystem, liquid crystal display, HART modular unit, gsm module unit, data storage cell and watchdog unit, and described power subsystem, liquid crystal display, HART modular unit, gsm module unit, data storage cell and watchdog unit are connected with described MCU main control unit respectively; Described MCU main control unit communicates to connect mutually by HART modular unit and on-the-spot industrial instrument, and described MCU main control unit communicates to connect mutually by gsm module unit and computer monitoring center.
In an embodiment of the present utility model, also comprise an I2C interface unit, described MCU main control unit is connected with respectively key-press input unit and LED state indicator unit by I2C interface unit.
In an embodiment of the present utility model, described power subsystem comprises 3.8V lithium battery, lithium battery special charging managing chip, 3.3V voltage stabilizing integrated chip and 5V power input interface.
In an embodiment of the present utility model, described I2C interface unit comprises that special I2C interface keyboard and LED drive chip ZLG7290.
In an embodiment of the present utility model, described key-press input unit comprises touch key and I2C interface button control chip, and MCU main control unit is by I2C interface button control chip key range key assignments data.
In an embodiment of the present utility model, described LED state indicator unit has comprised green charging indicator light, green HART communication indicator light, green SMS messaging breath indicator light, green GPRS communication indicator light, the red low electric weight alarm lamp of lithium battery and red system failure indicator light.
In an embodiment of the present utility model, described liquid crystal display comprises supports FPC parallel interface COG128*64 with liquid crystal display screen backlight and backlight drive control circuit, for displaying scene actions menu information, in the time opening telecommunication, show the information strength of GSM network.
In an embodiment of the present utility model, described HART modular unit comprises HART interface chip A5191 and HART interface isolating transformer, and it is responsible for the data communication between the industrial instrument of HART hander and on-site support HART.
In an embodiment of the present utility model, described gsm module unit is the circuit board of an integrated GSM radio frequency chip, baseband processing chip, memory and power discharging device, gsm module unit has transmission SMS messaging, voice call, all basic functions that GPRS transfer of data etc. communicates based on GSM network.
In an embodiment of the present utility model, described data storage cell is a support I2C interface eeprom chip, for preserving the configuration information of field instrument of current operation.
In an embodiment of the present utility model, described watchdog module unit is a special watchdog chip, when system is overtime while not responding feeding-dog signal, and the watchdog chip MCU main control unit that will reset.
HART hander based on GSM of the present utility model, compared with prior art, be connected communication by HART modular unit with on-the-spot industrial instrument, then instrumented data is communicated by letter with computer monitoring center by SMS messaging or GPRS in gsm module unit, thereby complete remote maintenance management work, can realize and use HART hander field adjustable industrial instrument, can open again GSM network and realize the on-the-spot industrial instrument of long-distance management maintenance, reduce maintenance cost, and have and solve timely and effectively on-the-spot problem, realize the purpose of this utility model.
Feature of the present utility model can be consulted the detailed description of the graphic and following better execution mode of this case and be obtained and be well understood to.
Brief description of the drawings
Fig. 1 is the structural representation of the HART hander based on GSM of the present utility model;
Fig. 2 is the schematic diagram that the HART hander based on GSM of the present utility model connects.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment
As depicted in figs. 1 and 2, HART hander 10 based on GSM of the present utility model, it comprises MCU main control unit 100, power subsystem 200, liquid crystal display 300, HART modular unit 400, gsm module unit 500, data storage cell 600 and watchdog unit 700, and described power subsystem 200, liquid crystal display 300, HART modular unit 400, gsm module unit 500, data storage cell 600 and watchdog unit 700 are connected with described MCU main control unit 100 respectively; Described MCU main control unit 100 communicates to connect mutually by HART modular unit 400 and on-the-spot industrial instrument 20, and described MCU main control unit 100 communicates to connect mutually by gsm module unit 500 and computer monitoring center.
In the present embodiment, also comprise an I2C interface unit 800, described MCU main control unit 100 is connected with respectively key-press input unit 810 and LED state indicator unit 820 by I2C interface unit 800.
In the present embodiment, MCU main control unit 100 adopts the single-chip microcomputer of super low consumption function MSP430 series, realizes data communication and forwards, receives key-press input data, LED state instruction and LCD display output etc.
In the present embodiment, described power subsystem 200 comprises 3.8V lithium battery, lithium battery special charging managing chip, 3.3V voltage stabilizing integrated chip and 5V power input interface, is the Power supply part of HART hander of the present utility model.
Power subsystem 200 adopts 3.8V lithium battery power supply, and through LDO (low pressure difference linear voltage regulator), battery supply voltage transitions is become to the needed 3.3V voltage of circuit system chip.Lithium cell charging adopts special 4.2V lithium cell charging managing chip to realize, and in the time of access section 5V power supply, charging management chip is started working, and controls the flicker of LED charging indicator light.
In the present embodiment, described I2C interface unit 800 is interface circuits that MCU main control unit 100 is controlled key-press input unit 810 and LED state indicator unit 820, it comprises that special I2C interface keyboard and LED drive chip ZLG7290, user's keyboard input information is fed back to MCU main control unit 100, and according to state-driven control LED state indicator unit 820.
In the present embodiment, the man-machine interface part that described key-press input unit 810 is HART handers of the present utility model, it comprises touch key and I2C interface button control chip, and MCU main control unit 100 is by I2C interface button control chip key range key assignments data.
Key-press input unit 810 comprises power switch key, edit validation key, return key, four direction key, backlight switch key and 1-10 numerical key.
In the present embodiment, described LED state indicator unit 820 is indicated the industrial state of current part of module for simple, intuitive, it has comprised green charging indicator light, green HART communication indicator light, green SMS messaging breath indicator light, green GPRS communication indicator light, the red low electric weight alarm lamp of lithium battery and red system failure indicator light.
Red system failure indicator light adopts the 100 pulse controls of MCU main control unit, and when MCU main control unit 100 is not during to system failure indicator light output pulse signal or system in case of system halt, red system failure indicator light can Chang Liang.The LED light that driven by I2C interface unit 800 has respectively: lithium battery electric discharge is when voltage is during lower than 3.7V, and red low electric weight alarm lamp starts to glimmer, lower than the low electric weight alarm lamp Chang Liang of 3.6V redness.In the time that MCU main control unit 100 and on-the-spot industrial instrument have HART data communication, HART indicator light can glimmer.In the time that HART hander and remote terminal have short message communication, SMS messaging breath indicator light can glimmer.In the time that HART hander and remote terminal have GPRS to communicate by letter, GPRS communication indicator light can glimmer.
In the present embodiment, described liquid crystal display 300 is for responding button operation result and showing relevant information, it comprises supports FPC parallel interface COG128*64 with liquid crystal display screen backlight and backlight drive control circuit, for displaying scene actions menu information, in the time opening telecommunication, show the information strength of GSM network.
Between MCU main control unit 100 and liquid crystal display 300, adopt FPC flexible cable to be connected, and adopt parallel port control mode, in the time that extraneous light is darker, can open backlight drive circuit by backlight switch key.In the time opening gsm module unit 500, liquid crystal display 300 can show GSM signal strength signal intensity on similar mobile phone.
In the present embodiment, described HART modular unit 400 is to realize the interface circuit of on-the-spot industrial instrument to the MCU main control unit 100 of HART hander of the present utility model, it comprises HART interface chip A5191 and HART interface isolating transformer, and it is responsible for the data communication between the industrial instrument of HART hander and on-site support HART.
In the present embodiment, described gsm module unit 500 is to realize the interface circuit that the MCU main control unit 100 of HART hander of the present utility model is communicated by letter with remote terminal, it is the circuit board of an integrated GSM radio frequency chip, baseband processing chip, memory and power discharging device, gsm module unit 500 has transmission SMS messaging, voice call, all basic functions that GPRS transfer of data etc. communicates based on GSM network.
In the present embodiment, described data storage cell 600 is a support I2C interface eeprom chip, for preserving the configuration information of field instrument of current operation.
If user need to copy to another scene with in operating mode instrument time the configuration information of current instrument, can first the configuration information when instrument be saved in data storage cell 600, then connect another instrument, complete the data Replica work of identical operating mode instrument cubicle by corresponding operating, save a large amount of time costs.
In the present embodiment, described watchdog module unit 700 is a special watchdog chip, when system is overtime while not responding feeding-dog signal, and the watchdog chip MCU main control unit 100 that will reset.
HART hander 10 based on GSM of the present utility model is a kind of HART handers that carry out telecommunications functions based on GSM network, can debug industrial instrument by execute-in-place by this equipment, can debug on-the-spot industrial instrument by GSM network remote again, thus make instrument manufacturer can Remote configuration, diagnosis safeguards, monitoring site industrial instrument.
HART hander 10 based on GSM of the present utility model is connected on the industrial instrument 20 of on-site support HART agreement, then open GSM telecommunications functions, instrument producer or user open far distance instrument management system software, according to the phone number information of the SIM card dress in HART hander gsm module unit, realize telecommunication administration.In the time that on-the-spot level meter need to reconfigure measurement parameter or in use break down, and Field Force is cannot solve time, only field instrument and the HART hander based on GSM need be coupled together, then tell the current use HART of the instrument manufacturer phone number of hander, instrument manufacturer just can pass through based on GSM network SMS short message or GPRS communication mode, realize the management of on-the-spot instrument and diagnosis are safeguarded, realized the on-the-spot problem of quick solution and reduced the objects such as after-sales service cost.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. the HART hander based on GSM, it is characterized in that, it comprises MCU main control unit, power subsystem, liquid crystal display, HART modular unit, gsm module unit, data storage cell and watchdog unit, and described power subsystem, liquid crystal display, HART modular unit, gsm module unit, data storage cell and watchdog unit are connected with described MCU main control unit respectively; Described MCU main control unit communicates to connect mutually by HART modular unit and on-the-spot industrial instrument, and described MCU main control unit communicates to connect mutually by gsm module unit and computer monitoring center.
2. the HART hander based on GSM as claimed in claim 1, is characterized in that, also comprises an I2C interface unit, and described MCU main control unit is connected with respectively key-press input unit and LED state indicator unit by I2C interface unit.
3. the HART hander based on GSM as claimed in claim 1, is characterized in that, described power subsystem comprises 3.8V lithium battery, lithium battery special charging managing chip, 3.3V voltage stabilizing integrated chip and 5V power input interface.
4. the HART hander based on GSM as claimed in claim 2, is characterized in that, described I2C interface unit comprises that special I2C interface keyboard and LED drive chip ZLG7290.
5. the HART hander based on GSM as claimed in claim 2, is characterized in that, described key-press input unit comprises touch key and I2C interface button control chip, and MCU main control unit is by I2C interface button control chip key range key assignments data.
6. the HART hander based on GSM as claimed in claim 2, it is characterized in that, described LED state indicator unit has comprised green charging indicator light, green HART communication indicator light, green SMS messaging breath indicator light, green GPRS communication indicator light, the red low electric weight alarm lamp of lithium battery and red system failure indicator light.
7. the HART hander based on GSM as claimed in claim 1, is characterized in that, described liquid crystal display comprises supports FPC parallel interface COG128*64 with liquid crystal display screen backlight and backlight drive control circuit.
8. the HART hander based on GSM as claimed in claim 1, is characterized in that, described HART modular unit comprises HART interface chip A5191 and HART interface isolating transformer.
9. the HART hander based on GSM as claimed in claim 1, is characterized in that, described gsm module unit is the circuit board of an integrated GSM radio frequency chip, baseband processing chip, memory and power discharging device.
10. the HART hander based on GSM as claimed in claim 1, is characterized in that, described data storage cell is a support I2C interface eeprom chip; Described watchdog module unit is a special watchdog chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273769.6U CN203872195U (en) | 2014-05-27 | 2014-05-27 | HART hand-held device based on GSM |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273769.6U CN203872195U (en) | 2014-05-27 | 2014-05-27 | HART hand-held device based on GSM |
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| Publication Number | Publication Date |
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| CN203872195U true CN203872195U (en) | 2014-10-08 |
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| CN201420273769.6U Expired - Fee Related CN203872195U (en) | 2014-05-27 | 2014-05-27 | HART hand-held device based on GSM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159197A (en) * | 2015-09-11 | 2015-12-16 | 重庆川仪自动化股份有限公司 | System for reading HART instrument parameter using USB interface |
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2014
- 2014-05-27 CN CN201420273769.6U patent/CN203872195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159197A (en) * | 2015-09-11 | 2015-12-16 | 重庆川仪自动化股份有限公司 | System for reading HART instrument parameter using USB interface |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20190527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |