CN204965155U - Remote measurement and control apparatus - Google Patents
Remote measurement and control apparatus Download PDFInfo
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- CN204965155U CN204965155U CN201520666530.XU CN201520666530U CN204965155U CN 204965155 U CN204965155 U CN 204965155U CN 201520666530 U CN201520666530 U CN 201520666530U CN 204965155 U CN204965155 U CN 204965155U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides a pair of remote measurement and control apparatus, including power module, processor module, storage module, communication module, collection module and interaction module, power module provide power supply for whole device, processor module include LPC1768 microprocessor and outlying crystal oscillator circuit, storage module, communication module, collection module and interaction module be electrically connected to on the processor module respectively. On monitoring cost and the basis that reduces the consumption, can parallel running communication task, data acquisition task, mutual task, storage task, the soft task that resets, satisfy the requirement that most remote data observed and controled.
Description
Technical field
The utility model relates to the communications field, is specifically related to a kind of remote monitor device.
Background technology
Along with developing rapidly of technology of Internet of things and embedded technology, teledata detection and control terminal equipment is widely used in the numerous areas such as intelligent grid, Smart Home, remote monitoring, data acquisition and Internet of Things, and one of core apparatus becoming industrial automation system.Its major function is under danger, complex environment, utilizes each paths to carry out desired data collection (remote measurement) to external sensor device; And utilize the up means such as optical cable, ultrashort wave (USW), power line carrier, satellite communication to carry out data remote transmission; (remote regulating) can be regulated, control operations such as (remote controls) other primary instrument equipment of this terminal of access simultaneously.
In existing teledata detection and control terminal scheme, low-end product generally adopts the realization of master chip to simple functions of Single Chip Microcomputer (SCM) system level, because the arithmetic speed of processor of single chip computer is lower, functionally limiting to some extent of realizing, often can only realize single setting, on-the-spot versatility can not meet; Along with the requirement of curstomer's site to equipment interoperability and convenience constantly increases, it is good selection that high performance ARM9 chip is equipped with embedded Linux system, such scheme can complete the powerful function of more complicated, but in cost control and power consumption control, there is larger inferior position in this type of scheme, makes share in market competition little.
Utility model content
For current Problems existing, the utility model provides a kind of remote monitor device, controlling cost and reducing on the basis of power consumption, can parallel running communication task, data acquisition session, interactive task, store tasks, warm reset task, meet the requirement of most teledata observing and controlling.
For solving the problems of the technologies described above, the utility model scheme comprises: a kind of remote monitor device, comprise power module, processor module, memory module, communication module, acquisition module and interactive module, described power module provides electric power supply for whole device, described processor module comprises the crystal oscillating circuit of LPC1768 microprocessor and periphery, and described memory module, communication module, acquisition module and interactive module are electrically connected on processor module respectively.
Further, described interactive module at least comprises keyboard and LCDs.
Further, described memory module at least comprises EEPROM and FLASH.
Further, described acquisition module comprises pulsing circuit, RS485 circuit, RS232 circuit, analog quantity interface circuit, the output terminal of described pulsing circuit, RS485 circuit, RS232 circuit, analog quantity interface circuit connects the input end of sample circuit respectively, the output terminal connection handling device module of described sample circuit.
Further, described communication module comprises SIM card slot and GPRS module.
Further, described communication module also comprises GPRS signal and strengthens antenna.
Further, also comprise clock circuit, described clock circuit is connected with LPC1768 microprocessor.
Further, also comprise watchdog circuit, described watchdog circuit is connected with an I/O pin of LPC1768 microprocessor.
The beneficial effects of the utility model are:
1, input, output signal and all isolate, improve antijamming capability and the reliability of system.For industrial environment design, the antijamming capability such as antisurge, fast transient impulse disturbances, high frequency interference of equipment is strong, has good electrostatic prevention design.Can download, without the need to program upgrade and maintenance can be realized to scene by teleprogram.AC and DC supply voltage data message can be monitored.Adopt current application embedded real-time operating system widely, be easy to system upgrade.There is keyboard and display, be convenient to local maintenance and test.
2, communication module comprises GPRS module, Sim card slot, and external GPRS signal strengthens antenna, carries out data communication mainly through Uart mouth, external interface in form can compatible multiple specification, module is compatible multiple interfaces for external devices in design, can external multiple collecting device; Designed communication module has hot swap characteristics; Module can the data communication of indifference process and multiple business's SIM card that communicates, and adopts multiple communication security mechanism to ensure the robustness of communication, and can to multiple address transmission data.
Accompanying drawing explanation
Fig. 1 is theory structure block diagram of the present utility model;
Fig. 2 a is the analog quantity place in circuit schematic diagram of the utility model acquisition module;
Fig. 2 b is the RS485 circuit theory diagrams of the utility model acquisition module;
Fig. 2 c is the RS232 circuit theory diagrams of the utility model acquisition module;
Fig. 3 a is the M590 circuit theory diagrams of the utility model communication module;
Fig. 3 b is the SIM card place in circuit schematic diagram of the utility model communication module;
Fig. 4 is the total system schematic diagram of the utility model when specifically using;
Fig. 5 is that the port organization of the utility model acquisition module arranges figure.
Embodiment
Below in conjunction with accompanying drawing, concrete enforcement of the present utility model is described, should be appreciated that exemplifying embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
A RTU as shown in Figure 1, inside is designed around processing module, and periphery is made up of power module, acquisition module, communication module, interactive module (display, Keysheet module), memory module etc. respectively.Carried out the confession electric treatment of whole system by power module, support the switching of civil power 220V and controller for solar; Memory module is divided into parameter to store and acquired data storage two parts: carry out parameter storage by EEPROM, image data is then stored by flash chip; Communication module is primarily of two-way: GPRS passage and ethernet channel, is wherein main upstream transmission passage with GPRS network, in order to adapt to different network environments, separately adds ethernet channel and carrying out auxiliary transmission, and can compatible multiple kinds; Interactive module comprises liquid crystal and keyboard, and display adopts LCD12864 liquid crystal display to carry out real-time condition display, keyboard adopt technical grade conventional 4 × 4 16 key matrix keyboards; Acquisition module is mainly used for external various data sampling sensor equipment, in order to compatible distinct device, give various general standard interface: digital quantity input module, digital output module, Analog input mModule, RS232 module, RS485 module etc.
Described power module is connected with other modules, and is responsible for providing working power to all modules; Described external interface module is used for being responsible for docking and carrying out the data communication of necessity of whole modular system and external unit; The parameters of system and communication data are carried out preservation backup by described memory module; Described microprocessor adopts 32 arm processors at a high speed, the function of master routine execution and Control on Communication and responsible data operation is carried out in whole system is run, its operation result can be sent to memory module as required and preserve, or sends to communication module to send; Described communication module comprises the compatibility of GPRS module and ethernet module, can carry out data transmission by any communication channel and the external world; Described acquisition module has the multiple channel types such as numeral, simulation, pulse, for connecting different types of sensor apparatus: standard configuration has 2 road RS485 passages, for connecting intelligent instrument sensor; 6 road pulse passages, for connecting the sensor device of step-by-step counting; 6 tunnel 4 ~ 20mAAD sample circuits, for connecting the sensor device having 4 ~ 20mA and export; Described interactive module comprises LCD screen and keyboard, has been used for and the input-output operation of operator.
Wherein, processor adopts LPC1768, LPC1768 be NXP company release based on a member in the microcontroller LPC17XX series of ARMCortex-M3 kernel, running frequency can reach 100MHz, there is three class pipeline and Harvard structure, there is separate local instruction and data bus and for the lower a little Article 3 bus of the performance of peripheral hardware, for the treatment of requiring highly integrated and Embedded Application that is low-power consumption, having at the industrial circle such as remote monitoring, data acquisition and using widely.
As shown in Figure 1, this programme terminal has the multiple channel types such as numeral, simulation, pulse, for connecting different types of sensor apparatus: standard configuration has 2 road RS485 passages, for connecting intelligent instrument sensor; 6 road pulse passages, for connecting the sensor device of step-by-step counting; 6 tunnel 4 ~ 20mAAD sample circuits, for connecting the sensor device having 4 ~ 20mA and export.
LPC1768 itself is built-in 1 band 8 passages the ADC of 12, and the actual resolution reached is at 9 more than half, the needs of most of field monitoring can be met, so the Analog input mModule of acquisition module can support 6 road analog inputs (AI) in this programme, its circuit theory diagrams as shown in Figure 2 a, can gather 4-20mA industry current signal; Lower of pulse collection general case need be added up number of pulses and not need other parameters, so access processor after capacitance-resistance process succinct in design to carry out down trigger.
In Fig. 2 b and Fig. 2 c, down going channel supports 2 road RS485 and 1 road RS232 communication, for accessing the data sampling sensor of various standard agreement, hardware circuit design adopts technical grade RS485 and RS232 chip, main frame calling can be responded respectively, and be furnished with between input and output
phototube Couplingdevice is isolated, and to ensure high-quality communication transfer, circuit diagram as shown in Figure 5; RS232 passage, also can using the management port of this passage as this device for accessing universal serial port equipment.
In Fig. 3 a and Fig. 3 b, M590GPRS module is the GSM/GPRS industry of a DualBand
wireless module, its stability and high performance-price ratio are widely used in various industry and civil area.The start-up course of module comprises carries out initialization to SIM card, and only when there being SIM card in slot, initialization just can success.
As shown in Figure 4, in use, teledata detection and control terminal is as the bridge connecting pick-up transducers and data center, just be connected in GPRS network when device power, using GPRS network as Wireless Data Transmission platform, set up the communication link with data center simultaneously, the reception that the real time data row obtained by data sampling sensor by various down going channel is real-time and transmission, essence is exactly that data acquisition equipment and data center are linked into the remote transparent transmission realizing final image data in GPRS network platform.Pick-up transducers equipment and terminal device constitute system foreground, and data center is by other assembly construction system backstages of central server, main website and database.
Specific works flow process is:
Be articulated on this equipment by needing the various data transducers carrying out observing and controlling by external equipment connection terminal, by device GPRS address card in sim card, switch on power power supply, from being dynamically connected GPRS network after equipment runs, and be connected to system background main website by the address at parameter setting data center, now whole system is normally run.
By the setting of sensor acquisition parameter, carry out real-time periodic data collection, through the equipment computing of terminal, after result treatment, its value is shown in LCD liquid crystal display screen, and generate packet, the reporting functions of data on flows is completed, for host computer analyzing and processing by GPRS network and data center.
When the port of acquisition module is docked with said system, port facilities as shown in Figure 5, in figure:
1) 3 line terminals of the rightmost side are RS232 passage, for 232 serial communications and management port;
2) 6 tunnel 2 line connection terminals on the left of RS232 passage are 4 ~ 20mA collection of simulant signal port, and wherein the arrow of black represents sense of current, and the numeral between 2 arrows is channel number.Each road gathers the bouncing pilotage of corresponding three ends of port difference: by arranging the position of bouncing pilotage, can support external 2 line instrument or 4 line instrument.When bouncing pilotage short circuit is in 1 and 2 end, support external 4 line instrument, instrument power is provided separately by outside, and " ↓ " end of this terminal connects GND, 4 ~ 20mA electric current that " ↑ " end exports for instrument; When bouncing pilotage short circuit is in 2 and 3 end, support external 2 line instrument, " ↓ " end connection+24V of this terminal is instrument power supply, 4 ~ 20mA electric current that " ↑ " end exports for instrument.
3) the 6 tunnel 2 line connection terminals identifying " SW/PU " are that pulse (alarm) gathers port, and wherein the arrow of black represents sense of current, and the numeral between 2 arrows is channel number.Each road gathers the bouncing pilotage of corresponding three ends of port difference: by arranging the position of bouncing pilotage, can support external " dry contact pulse instrument " or " active pulse instrument ".When bouncing pilotage short circuit is in 1 and 2 end, support external " active pulse instrument ", instrument power is provided separately by outside, and " ↓ " end of this terminal connects GND, and " ↑ " end is the pulse output end of instrument; When bouncing pilotage short circuit is in 2 and 3 end, support external " dry contact pulse instrument ", " ↓ " end connection+24V of this terminal, be instrument power supply, " ↑ " end is the pulse output end of instrument.
4) 2 tunnel 2 line connection terminals of the leftmost side are that 2 road RS485 gather port, and wherein right side is A port, its connection terminal " A1 " and " B1 " mark; Left side be B port, its connection terminal with " A2 " and " B2 " identify.Each road RS485 gathers the bouncing pilotage of corresponding two ends of port difference, for adjusting the build-out resistor in RS485 circuit, when bouncing pilotage short circuit, in link, add the build-out resistor of 120 ohm, if when bouncing pilotage disconnects, then do not add the build-out resistor of 120 ohm in link.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; therefore the restriction to the utility model scope of patent protection can not be thought; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model claim protects; can also make the various deformation such as replacement, simple combination, these all fall within protection domain of the present utility model, and request protection domain of the present utility model should be as the criterion with claims.
Claims (8)
1. a remote monitor device, it is characterized in that, comprise power module, processor module, memory module, communication module, acquisition module and interactive module, described power module provides electric power supply for whole device, described processor module comprises the crystal oscillating circuit of LPC1768 microprocessor and periphery, and described memory module, communication module, acquisition module and interactive module are electrically connected on processor module respectively.
2. a kind of remote monitor device according to claim 1, is characterized in that, described interactive module at least comprises keyboard and LCDs.
3. a kind of remote monitor device according to claim 1, is characterized in that, described memory module at least comprises EEPROM and FLASH.
4. a kind of remote monitor device according to claim 1, it is characterized in that, described acquisition module comprises pulsing circuit, RS485 circuit, RS232 circuit, analog quantity interface circuit, the output terminal of described pulsing circuit, RS485 circuit, RS232 circuit, analog quantity interface circuit connects the input end of sample circuit respectively, the output terminal connection handling device module of described sample circuit.
5. a kind of remote monitor device according to claim 1, is characterized in that, described communication module comprises SIM card slot and GPRS module.
6. a kind of remote monitor device according to claim 5, is characterized in that, described communication module also comprises GPRS signal and strengthens antenna.
7. a kind of remote monitor device according to claim 1-6 any one, is characterized in that, also comprise clock circuit, described clock circuit is connected with LPC1768 microprocessor.
8. a kind of remote monitor device according to claim 1-6 any one, is characterized in that, also comprise watchdog circuit, and described watchdog circuit is connected with an I/O pin of LPC1768 microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666530.XU CN204965155U (en) | 2015-08-31 | 2015-08-31 | Remote measurement and control apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666530.XU CN204965155U (en) | 2015-08-31 | 2015-08-31 | Remote measurement and control apparatus |
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| CN204965155U true CN204965155U (en) | 2016-01-13 |
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| CN201520666530.XU Active CN204965155U (en) | 2015-08-31 | 2015-08-31 | Remote measurement and control apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068525A (en) * | 2015-08-31 | 2015-11-18 | 中电装备山东电子有限公司 | Remote measuring and controlling device |
| CN106652426A (en) * | 2016-11-25 | 2017-05-10 | 贵州大学 | A PM2.5 collector based on RS485 communication interfaces |
| CN105824303B (en) * | 2016-05-17 | 2018-11-23 | 上海颖电控制技术有限公司 | A kind of distributed intelligence blind controller system and its method based on Internet of Things |
| CN110009886A (en) * | 2018-01-04 | 2019-07-12 | 法雷奥汽车内部控制（深圳）有限公司 | Anti-interference device and remote control device including the anti-interference device |
-
2015
- 2015-08-31 CN CN201520666530.XU patent/CN204965155U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068525A (en) * | 2015-08-31 | 2015-11-18 | 中电装备山东电子有限公司 | Remote measuring and controlling device |
| CN105824303B (en) * | 2016-05-17 | 2018-11-23 | 上海颖电控制技术有限公司 | A kind of distributed intelligence blind controller system and its method based on Internet of Things |
| CN106652426A (en) * | 2016-11-25 | 2017-05-10 | 贵州大学 | A PM2.5 collector based on RS485 communication interfaces |
| CN110009886A (en) * | 2018-01-04 | 2019-07-12 | 法雷奥汽车内部控制（深圳）有限公司 | Anti-interference device and remote control device including the anti-interference device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |