CN104423338A - Explosion-proof control device for internet of things based on M2M - Google Patents
Explosion-proof control device for internet of things based on M2M Download PDFInfo
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- CN104423338A CN104423338A CN201310378874.6A CN201310378874A CN104423338A CN 104423338 A CN104423338 A CN 104423338A CN 201310378874 A CN201310378874 A CN 201310378874A CN 104423338 A CN104423338 A CN 104423338A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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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]
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses an explosion-proof control device for the internet of things based on an M2M. The device is formed by three parts of a mother board, an intrinsic safe plate, and an M2M module. The mother board is formed by a MSP430 main chip circuit, six paths of analog acquisition circuits, four paths of digital quantity acquisition circuits, a watchdog circuit, an intelligent antitheft alarm circuit, etc. The intrinsic safe plate comprises a case processing circuit processing case signals of each circuit. The M2M module is formed by a MSP430 main chip circuit, a GSM communication module, a watchdog circuit, an RS485 communication circuit, a 24LC256 storage circuit, a buzzer drive circuit, and a power management circuit. The device uses an explosion-proof housing, and is provided with an explosion-proof intrinsic safe plate, and the device can effectively eliminate all accidents caused by spark and electric arc generated by a hardware circuit.
Description
Technical field
The present invention relates to a kind of Internet of things control device, is a kind of explosion-proof type Internet of things control device based on M2M specifically, is applicable to the collection in worksite of many industry, equipment controls.
Background technology
In the industry such as industrial measurement and control, Medical Instruments, data acquisition and monitoring technology are more and more applied, and in development from now on, proportion can constantly increase.Along with the expansion of industrial chain, have higher requirement to the real-time of data acquisition and equipment power dissipation in market: namely meeting in Micro Energy Lose, intelligentized principle of design, energy Real-time Collection field data, and can remote control equipment.
At present, the remote control management technical merit on the market based on many instrument and meters on Internet of Things basis is also lower.The data acquisition of a lot of cities instrument and meter also rests on manual acquisition state.Conventional instrument control operation is loaded down with trivial details, and on-the-spot poor for applicability, data acquisition is wasted time and energy, and can not ensure real-time.
From the market demand and technical development, data acquisition and monitoring course roughly experienced by four-stage:
First stage, late nineteen eighties, adopts the wired control mode of 220V forceful electric power;
Subordinate phase, the nineties initial stage, to mid-term, utilizes line of electric force, line carrier wave control mode;
Phase III, middle nineteen nineties, to latter stage, adopts 230MHZ dedicated channel to carry out Wireless Data Transmission control mode;
Fourth stage, initial stage 21st century so far, the short message SMS (short message service, short message service) of employing China Mobile, CHINAUNICOM and GPRS/CDMA wireless public network carry out mode and the 230MHZ dedicated data transmission control mode of data transmission.
Power line carrier communication PLC (power line communication) technology and GPRS wireless communication technology become the major programme of available data monitoring.Power-line carrier communication refers to based on line of electric force, by the technology of carrier system transmission of analogue signal or digital signal.It also exists larger shortcoming:
Substation transformer has iris action to power carrier signal;
Very large decay (10-30dB) is had to signal between three-phase power line;
There is intrinsic impulse disturbances in line of electric force, unlike signal coupling scheme are different to power carrier signal loss;
At management aspect, traditional data acquisition can only manually be carried out, can not the running status of remote monitor device, and in the region containing explosive gas mixture, during manual work, equipment can produce electric spark and electric arc, can be explosion caused.Simultaneously conventional art can not meet the Market and Technology demands such as field data Real-time Collection, equipment self are antitheft, catastrophic failure process.
Summary of the invention
For deficiency of the prior art, the invention provides a kind of explosion-proof type long-distance intelligent control equipment based on Internet of Things basis, its energy Real-time Collection multichannel data (comprising simulation parameter and digital parameter), on-the-spot adaptable, remote data transmission and instruction control can be realized by internet and wireless CMNET net.Issuable spark, arc tube equipment are placed in flameproof enclosure, thus reach explosion-proof object.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of explosion-proof type Internet of things control device based on M2M, is made up of motherboard, intrinsic safety plate and M2M module three part; Described motherboard is made up of MSP430 master chip circuit, six road analog quantity acquisition circuits, four railway digital amount Acquisition Circuit, watchdog circuit, intelligent alarm circuit, buzzer drive circuit, temperature collection circuit, reed switch circuit, electric power management circuit, RS485 telecommunication circuit, 24LC256 memory circuit, electric source monitoring circuit; Described intrinsic safety plate mainly comprises this case treatment circuit of this case signal to each circuit; Described M2M module is made up of MSP430 master chip circuit, gsm communication module, watchdog circuit, RS485 telecommunication circuit, 24LC256 memory circuit, buzzer drive circuit, electric power management circuit.
Further, the master chip circuit in described motherboard is used for control and management, coordinates each functional circuit; Analog quantity acquisition circuit is for gathering external physical parameter; Digital quantity acquiring circuit is used for pulsed quantity collection; Watchdog circuit is used for master chip and resets in time when program fleet, to ensure the operation of the long-term normal table of system; Anti-theft circuit is used for equipment self burglar alarm; Reed switch circuit is used for switching between control core plate 2G pattern and short message mode; Temperature collection circuit is used for external temperature collection; Electric power management circuit is used for transferring 9V voltage to 3.3V, 5V and 24V, provides electric energy and power outside system to each functional circuit of system; RS485 telecommunication circuit is used for wired data transfer, instruction issues, and the parameter configuration to equipment; Memory circuit, can the Coutinuous store data volume of 3 months for storing real time data; Electric source monitoring circuit is used for the powering mode of monitoring equipment, is namely powered or internal battery powers by DC adapter.
Further, this case treatment circuit in described intrinsic safety plate, mainly comprises the intrinsic safety signal processing circuit of RS485 signal of communication, RS485 input signal is converted to intrinsic safety signal and is input to motherboard, motherboard RS485 signal convert to intrinsic safety signal export; The intrinsic safety signal processing circuit of analog signals, collects analog quantity sensor and converts intrinsic safety signal to and be input to motherboard; The intrinsic safety signal processing circuit of digital quantity signal, converts intrinsic safety signal to the meter reading of metering outfit and is input to motherboard; Outer power supply source intrinsic safety signal processing circuit, converts intrinsic safety electric source to outer power supply source 5V, 8V, 24V of motherboard and externally exports.
Further, the gsm communication circuit in described M2M module comprises 2G transfer function, SMS; Watchdog circuit is used for master chip and resets when program fleet, prevents system in case of system halt; RS485 telecommunication circuit is used for wired data transfer and instruction issues; Memory circuit is for storing real time data; The switching that buzzer drive circuit is used for chip reset prompting and equipment mode of operation is reminded.Electric power management circuit can realize 24v and turn 9v, and 9V turns 3.3V, 9V and turns 5V and 9V and turn 24V.
Further, described whole control system operating voltage is 9V, adopts direct-current switch power supply and lithium battery dual power supply, realizes round-the-clock non-stop run.
The major function of control system has:
1.) obtain meter reading: the meter reading being obtained the metering outfits such as liquid, gas, ammeter by four railway digital pulse acquisition circuit, and uplink shows to host computer.
2.) physical index collection: gather external sensor physical quantity, as pressure, liquid level, temperature, smog, contamination particle etc. by the analog quantity acquisition circuit on Sensor Network Zhong six tunnel.
3.) temperature sensing: standard configuration is with temperature sensing, and temperature-measuring range-55 DEG C ~+125 DEG C, precision is ± 0.5 DEG C.Real-time Collection environment temperature feeds back to user, and when user receives feedback temperature, user can control environment according to the demand of oneself height of temperature.
4.) intelligent alarm: the main device of mobile alarm circuit is mercury cut-off, namely control system triggering generation digit pulse, master chip when occurring significantly to tilt detects that this pulse rear line sends warning message; Trimming warning circuit, triggers when namely control system aerial lug is cut off and produces digit pulse.Control system can report stolen information by internet and note in time in these cases, in a battery supply mode, alarm time be 1 point 10 seconds, under DC adapter powering mode, alarm time is 10 seconds.
5.) wire communication: wire communication can be carried out with this equipment by RS485 interface, issue steering order, or uploading data; As flowmeter, frequency modulator, host computer etc.
6.) radio communication: by M2M module, utilize the CMNET wireless network of China Mobile issue steering order and 2G data transmission, realize this equipment of Long-distance Control and by gather the timely uplink of real time data to client computer and server.This technology makes user can check data and management equipment whenever and wherever possible, substantially increases work efficiency and customer experience.
7.) supplying power for outside: by connection terminal, external device can power, comprises 5V/100mA, 8V/100mA, 24V/100mA, and is all intrinsic safety electric source.
8.) memory function: system is furnished with two panels 24LC256 storage chip, can store real time data and easily extensible in time.History significant data stores, and erasable number of times can reach 1,000,000 time.Data were preserved more than 200 years.
9.) TIMS system is supported: have supporting software to carry out technical support, coordinates software application, the browsing data of more convenient and quicker, optimum configurations, warning, Long-distance Control.Hardware alarms or software warning setting is carried out flexibly according to the bound of each sensor.
Compared with prior art, the invention has the beneficial effects as follows:
1, based on market demand analysis, this explosion-proof type long-distance intelligent control equipment based on Internet of Things basis that the present invention proposes.Its energy Real-time Collection multichannel data (comprising simulation parameter and digital parameter), on-the-spot adaptable, remote data transmission and instruction control can be realized by internet and wireless CMNET net.Be placed in flameproof enclosure for issuable spark, arc tube equipment, thus reach explosion-proof object, this equipment coordinates the TIMS software systems of company's research and development to manage all kinds of instrument and meter, thus reaches the mutual and safety of long-distance intelligent, human-based management
2, this equipment is furnished with RS485 communication interface, can realize the full-duplex communication of equipment and management software, thus realizes issuing of wired data transfer and PC control order.485 communication interfaces can freely switch mutually, are convenient to carry out parameter configuration with descending instrument communication and host computer to this equipment.RS485 communicates, and to solve conventional instrument communication mode single and switch inflexible problem for multiplex technique;
3, for conventional instrument can only by the shortcoming of wire transmission on the market at present, this equipment adopts M2M Radio Transmission Technology, and based on CMNET agreement and ICP/IP protocol, carries out issuing of operational order by mobile phone or computer.Meanwhile, this equipment by internet by data upload to client-server.In addition, the control command that this equipment issues is intelligible statement that is succinct, that understand, achieves the transparence to equipment, hommization controls;
4, this equipment use dual power supply hybrid power supply, is respectively adapter and powers and powered battery, and have power supply smart monitoring system.Battery powered mode can be automatically switched to when civil power disconnects.This technology can ensure system non-stop run in 24 hours.In a battery supply mode, system works, in super low-power consumption pattern, ensures within 2 years, not need to change battery.Simultaneously for solving the general lower situation of commercial unit energy utilization, this equipment adopts ultralow Consumption, and under DC power source adapter electric power thus supplied, power consumption of reaching the standard grade is 565.44mW, and transmission power consumption is 784.32mW; In powered battery situation, stand-by power consumption is 0.27mW, and power consumption of reaching the standard grade is 173.28-547.2mW, and transmission power consumption is 364.8-729.6mW;
5, for instrument and meters self many on market without anti-theft alarm function, this product design intelligent movable warning device and trimming warning device.When this equipment occur significantly tilting, circumscripted power line cut off, battery undervoltage, pressure alarm or other other abnormal alarms time, warning device will be triggered, and warning message will be sent to client software and user mobile phone by by internet.The birth of this technology fundamentally solves conventional instrument equipment on the market and, without the technical barrier of anti-theft alarm function, greatly improves the safety coefficient of equipment self.User can also flexibly according to sensor simultaneously;
6, this equipment have employed explosion-proof type shell, intrinsic safety signal transacting, has taken into account the original standard feature of Internet of things control device.There is circular open for sensor, metering outfit, antenna and electric source line interface place, for having prevented gap from revealing gas, having carried out encapsulation process especially;
7, this equipment realizes machine and machine by M2M module, machine and mobile phone, mobile phone and machine radio communication, thus realizes Long-distance Control and data are transmitted.
The present invention adopts two kinds of transmission modes to realize data transmission and instruction issues, via two kinds of mode power, comprise multi-channel data acquisition circuit, the valve controling circuit of multiple operating voltage, improve the situation of the on-the-spot adaptive faculty difference of conventional instrument, control each functional circuit simultaneously by MSP430 master chip and characteristic parameter is fed back to master chip, enable master chip make response correct in time for the information that the external world constantly changes, thus realize Based Intelligent Control.
Accompanying drawing explanation
Fig. 1 is the workflow diagram of the explosion-proof TICD of the present invention.
In figure: motherboard 1, intrinsic safety plate 2, M2M module 3.
Embodiment
Further illustrate the specific embodiment of the present invention below.
Shown in Fig. 1, a kind of explosion-proof type Internet of things control device based on M2M, is made up of motherboard 1, intrinsic safety plate 2 and M2M module 3 three part; Described motherboard 1 is made up of MSP430 master chip circuit, six road analog quantity acquisition circuits, four railway digital amount Acquisition Circuit, watchdog circuit, intelligent alarm circuit, buzzer drive circuit, temperature collection circuit, reed switch circuit, electric power management circuit, RS485 telecommunication circuit, 24LC256 memory circuit, electric source monitoring circuit; Described intrinsic safety plate 2 mainly comprises this case treatment circuit of this case signal to each circuit; Described M2M module 3 is made up of MSP430 master chip circuit, gsm communication module, watchdog circuit, RS485 telecommunication circuit, 24LC256 memory circuit, buzzer drive circuit, electric power management circuit.
Further, the master chip circuit in described motherboard 1 is used for control and management, coordinates each functional circuit; Analog quantity acquisition circuit is for gathering external physical parameter; Digital quantity acquiring circuit is used for pulsed quantity collection; Watchdog circuit is used for master chip and resets in time when program fleet, to ensure the operation of the long-term normal table of system; Anti-theft circuit is used for equipment self burglar alarm; Reed switch circuit is used for switching between control core plate 2G pattern and short message mode; Temperature collection circuit is used for external temperature collection; Electric power management circuit is used for transferring 9V voltage to 3.3V, 5V and 24V, provides electric energy and power outside system to each functional circuit of system; RS485 telecommunication circuit is used for wired data transfer, instruction issues, and the parameter configuration to equipment; Memory circuit, can the Coutinuous store data volume of 3 months for storing real time data; Electric source monitoring circuit is used for the powering mode of monitoring equipment, is namely powered or internal battery powers by DC adapter.
Further, this case treatment circuit in described intrinsic safety plate 2, mainly comprises the intrinsic safety signal processing circuit of RS485 signal of communication, RS485 input signal is converted to intrinsic safety signal and is input to motherboard, motherboard RS485 signal convert to intrinsic safety signal export; The intrinsic safety signal processing circuit of analog signals, collects analog quantity sensor and converts intrinsic safety signal to and be input to motherboard; The intrinsic safety signal processing circuit of digital quantity signal, converts intrinsic safety signal to the meter reading of metering outfit and is input to motherboard; Outer power supply source intrinsic safety signal processing circuit, converts intrinsic safety electric source to outer power supply source 5V, 8V, 24V of motherboard and externally exports.
Further, the gsm communication circuit in described M2M module 3 comprises 2G transfer function, SMS; Watchdog circuit is used for master chip and resets when program fleet, prevents system in case of system halt; RS485 telecommunication circuit is used for wired data transfer and instruction issues; Memory circuit is for storing real time data; The switching that buzzer drive circuit is used for chip reset prompting and equipment mode of operation is reminded.Electric power management circuit can realize 24v and turn 9v, and 9V turns 3.3V, 9V and turns 5V and 9V and turn 24V.
Further, described whole control system operating voltage is 9V, adopts direct-current switch power supply and lithium battery dual power supply, realizes round-the-clock non-stop run.
The major function of control system has:
1.) obtain meter reading: the meter reading being obtained the metering outfits such as liquid, gas, ammeter by four railway digital pulse acquisition circuit, and uplink shows to host computer.
2.) physical index collection: gather external sensor physical quantity, as pressure, liquid level, temperature, smog, contamination particle etc. by the analog quantity acquisition circuit on Sensor Network Zhong six tunnel.
3.) temperature sensing: standard configuration is with temperature sensing, and temperature-measuring range-55 DEG C ~+125 DEG C, precision is ± 0.5 DEG C.Real-time Collection environment temperature feeds back to user, and when user receives feedback temperature, user can control environment according to the demand of oneself height of temperature.
4.) intelligent alarm: the main device of mobile alarm circuit is mercury cut-off, namely control system triggering generation digit pulse, master chip when occurring significantly to tilt detects that this pulse rear line sends warning message; Trimming warning circuit, triggers when namely control system aerial lug is cut off and produces digit pulse.Control system can report stolen information by internet and note in time in these cases, in a battery supply mode, alarm time be 1 point 10 seconds, under DC adapter powering mode, alarm time is 10 seconds.
5.) wire communication: wire communication can be carried out with this equipment by RS485 interface, issue steering order, or uploading data; As flowmeter, frequency modulator, host computer etc.
6.) radio communication: by M2M module, utilize the CMNET wireless network of China Mobile issue steering order and 2G data transmission, realize this equipment of Long-distance Control and by gather the timely uplink of real time data to client computer and server.This technology makes user can check data and management equipment whenever and wherever possible, substantially increases work efficiency and customer experience.
7.) supplying power for outside: by connection terminal, external device can power, comprises 5V/100mA, 8V/100mA, 24V/100mA, and is all intrinsic safety electric source.
8.) memory function: system is furnished with two panels 24LC256 storage chip, can store real time data and easily extensible in time.History significant data stores, and erasable number of times can reach 1,000,000 time.Data were preserved more than 200 years.
9.) TIMS system is supported: have supporting software to carry out technical support, coordinates software application, the browsing data of more convenient and quicker, optimum configurations, warning, Long-distance Control.Hardware alarms or software warning setting is carried out flexibly according to the bound of each sensor.
Claims (5)
1. based on an explosion-proof type Internet of things control device of M2M, it is characterized in that: be made up of motherboard, intrinsic safety plate and M2M module three part; Described motherboard is made up of MSP430 master chip circuit, six road analog quantity acquisition circuits, four railway digital amount Acquisition Circuit, watchdog circuit, intelligent alarm circuit, buzzer drive circuit, temperature collection circuit, reed switch circuit, electric power management circuit, RS485 telecommunication circuit, 24LC256 memory circuit, electric source monitoring circuit; Described intrinsic safety plate mainly comprises this case treatment circuit of this case signal to each circuit; Described M2M module is made up of MSP430 master chip circuit, gsm communication module, watchdog circuit, RS485 telecommunication circuit, 24LC256 memory circuit, buzzer drive circuit, electric power management circuit.
2. a kind of explosion-proof type Internet of things control device based on M2M according to claim 1, is characterized in that: this case treatment circuit in described intrinsic safety plate, mainly comprises the intrinsic safety signal processing circuit of RS485 signal of communication.
3. a kind of explosion-proof type Internet of things control device based on M2M according to claim 1, is characterized in that: described control circuit adopts MSP430 series monolithic as master chip.
4. a kind of explosion-proof type Internet of things control device based on M2M according to claim 1, is characterized in that: described intrinsic safety plate adopts explosion-proof type shell, with explosion-proof type.
5. a kind of explosion-proof type Internet of things control device based on M2M according to claim 1, is characterized in that: described supplying power for outside circuit comprises the electromagnetic valve circuit of DC3.3V, DC5V, DC9V, DC24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378874.6A CN104423338A (en) | 2013-08-28 | 2013-08-28 | Explosion-proof control device for internet of things based on M2M |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378874.6A CN104423338A (en) | 2013-08-28 | 2013-08-28 | Explosion-proof control device for internet of things based on M2M |
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| CN104423338A true CN104423338A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310378874.6A Pending CN104423338A (en) | 2013-08-28 | 2013-08-28 | Explosion-proof control device for internet of things based on M2M |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654656A (en) * | 2015-12-31 | 2016-06-08 | 上海恩信仪表有限公司 | Safety management system and hand-held device |
| CN112596487A (en) * | 2020-12-22 | 2021-04-02 | 树根互联技术有限公司 | Thing allies oneself with information acquisition terminal and thing allies oneself with information acquisition external member |
-
2013
- 2013-08-28 CN CN201310378874.6A patent/CN104423338A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654656A (en) * | 2015-12-31 | 2016-06-08 | 上海恩信仪表有限公司 | Safety management system and hand-held device |
| CN105654656B (en) * | 2015-12-31 | 2018-10-02 | 上海恩信仪表有限公司 | Safety management system and handheld device |
| CN112596487A (en) * | 2020-12-22 | 2021-04-02 | 树根互联技术有限公司 | Thing allies oneself with information acquisition terminal and thing allies oneself with information acquisition external member |
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Application publication date: 20150318 |
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| WD01 | Invention patent application deemed withdrawn after publication |