CN204269544U - Low-power consumption responds Intelligent methane monitoring terminal fast - Google Patents
Low-power consumption responds Intelligent methane monitoring terminal fast Download PDFInfo
- Publication number
- CN204269544U CN204269544U CN201420799307.8U CN201420799307U CN204269544U CN 204269544 U CN204269544 U CN 204269544U CN 201420799307 U CN201420799307 U CN 201420799307U CN 204269544 U CN204269544 U CN 204269544U
- Authority
- CN
- China
- Prior art keywords
- sensor
- microcontroller chip
- power consumption
- methane
- gprs module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model belongs to gas monitor technical field, be specifically related to a kind of low-power consumption and respond Intelligent methane monitoring terminal fast, it comprises battery unit, microcontroller chip, GPRS module, infrared methane sensor, described battery unit connects microcontroller chip respectively, GPRS module, infrared methane sensor, described infrared methane sensor is connected with microcontroller chip respectively with GPRS module, it also comprises RTC real time clock unit, described RTC real time clock unit is connected with microcontroller chip, the MIPEX sensor that described infrared methane sensor adopts Russian MIPEX TECHNOLOGY to produce.Adopt the MIPEX sensor based on NDIR principle, one of its actual power loss percentage only having traditional sensors, this will greatly reduce Whole Equipment power consumption while possessing the various advantage of infrared absorption type sensor, extend the non-maintaining cycle, shorten the response time of system.Adopt RTC real time clock unit to provide system clock, utilize its timing and interrupt function close and wake microcontroller chip up, more accurately and reliably.
Description
Technical field
The utility model belongs to gas monitor technical field, is specifically related to a kind of low-power consumption and responds Intelligent methane monitoring terminal fast.
Background technology
Methane monitoring device in the market mainly contains two kinds, and one is based on principle of catalyst combustion, another kind of based on NDIR (NDIR (Non-Dispersive Infrared) method) principle.Although above two type products have all achieved practical, there is larger defect all separately.The shortcoming existed based on the Methane monitoring equipment of principle of catalyst combustion mainly contains several as follows: be 1. easy to thoroughly poisoning, if be exposed in these components of organosilicon, lead, sulphur and chloride, will lose the effect to combustible gas; 2. can produce sinter, prevent combustible gas and sensor contacts; 3. automatic safety protective system is not had, when continuing after Sensor Poisoning be energized and show zero gas; 4. sensitivity can decline (particularly sulfuretted hydrogen and halogen) in some environments; 5. need the carrier of oxygen volume concentrations of minimum 12%, in the not enough situation of oxygen concentration, work efficiency obviously declines; If it is too high to be 6. exposed to combustable gas concentration, can be burned; 7. sensitivity declines in time.Based on the Methane monitoring equipment of NDIR principle, speed of development is very fast these years, overcome the shortcoming of catalytic combustion type Methane monitoring equipment, but at present based on the problem that the sensing equipment ubiquity power consumption of NDIR principle is large, the general non-maintaining cycle is not more than 6 months, such cycle is not suitable for extensive use, if needing the extensive region used to use, going to safeguard by expending huge manpower, increasing cost.In addition, the air chamber structure due to traditional methane transducer is generally semi-enclosed design, limits gas diffusion velocity, also just limits the response time of system, becomes the bottleneck that gas-dynamic detects.
Chinese invention patent 201220515821.5 discloses a kind of GPRS intelligent detecting terminal based on infrared gas sensor, it comprises battery, microcontroller chip, GPRS module, LED light, level sensor, infrared methane sensor, battery connects GPRS module, microcontroller chip, infrared gas sensor respectively, GPRS module connects microcontroller chip, and microcontroller chip is also connected with infrared gas sensor.Adopt infrared gas sensor to substitute catalytic combustion type sensor, have that precision is high, selectivity good, reliability is high, by features such as environmental interference factor are less.Although this detecting terminal selects low energy-consumption electronic device on hardware, software allows as far as possible system work long hours in dormant state, system power consumption when wake-up states is still very large, does not fundamentally solve the large problem of methane monitoring device power consumption.
Utility model content
The utility model, in order to overcome the defect that existing Methane monitoring power consumption of terminal large, the non-maintaining cycle is short, maintenance cost is high, proposes a kind of low-power consumption and responds Intelligent methane monitoring terminal fast.
The utility model provides a kind of low-power consumption and responds Intelligent methane monitoring terminal fast, it comprises battery unit, microcontroller chip, GPRS module, infrared methane sensor, described battery unit connects microcontroller chip, GPRS module, infrared methane sensor respectively, described infrared methane sensor is connected with microcontroller chip respectively with GPRS module, it also comprises RTC real time clock unit, and described RTC real time clock unit is connected with microcontroller chip.
The MIPEX sensor that described infrared methane sensor adopts Russian MIPEX TECHNOLOGY to produce, its power consumption is ultralow, can be less than 3mW, measurement range: methane volumetric can reach 100%.Described MIPEX sensor is based on NDIR principle design, it mainly comprises LED light source, micro-reflective mirror, photodetector, device of micro controller, the broadband light that LED light source is launched reflexes to photodetector through the micro-reflector being placed in air chamber top and carries out opto-electronic conversion, and the circuit part bottom air chamber realizes the functions such as the power control of data acquisition and processing (DAP) and light source.The output of MIPEX sensor is the digital quantity of concentration of methane gas demodulating information, can facilitate communicated with this terminal microcontroller chip by URAT interface.MIPEX sensor can carry out the switching of mode of operation, can arrange continuous acquisition and periodicity drainage pattern.Built-in temperature chip, can upload the temperature environment information of sensor simultaneously.In addition, it adopts open diffusion type air chamber structure (sensor end face and side adopt hollow out design), ensure that the Fast-Balance of monitoring of environmental and plenum interior gas concentration.
Described microprocessor chip collection to be gone forward side by side row relax from the concentration information of infrared methane sensor; Under the sequential that RTC real time clock unit provides, control the duty of infrared methane sensor, GPRS module, realize the switching carrying out module by the state arranged; Obtain the information about power of battery unit; Methane concentration data, infrared methane sensor temperature data and battery electric quantity data after process are passed to GPRS module, and controls GPRS module and send data to Surveillance center.
Further, described RTC real time clock unit adopts PCF8563 chip, and PCF8563 chip is a CMOS real-time clock and calendar, the most applicable low-power consumption application.Programmable clock out, interrupt output and brownout detecting device are provided.By the two-way I of two lines
2c bus serial transmits all addresses and data, and maximum bus speed is 400kbit/s.Register address automatically can increase progressively after each write or read data byte.The utility model, by its interrupt INT function, produces and periodically exports interruption, wake microcontroller chip up, by its real-time clock function, obtains current time.
Further, it also comprises in good time powered down sleep unit, and described in good time powered down sleep unit is a metal-oxide-semiconductor, by the GPIO mouth control realization of the microcontroller chip power on/off to infrared methane sensor and GPRS module.
Described battery unit is connected with infrared methane sensor by sensor power chip.Described battery unit is connected with microcontroller chip by microcontroller power supply chip.Described battery unit is by GPRS power supply chip and GPRS module.
The beneficial effects of the utility model are: adopt the MIPEX sensor based on NDIR principle, one of its actual power loss percentage only having traditional sensors, this will greatly reduce Whole Equipment power consumption while possessing the various advantage of infrared absorption type sensor, the maintenance period of extension device, the theoretical non-maintaining cycle reaches 12 months; MIPEX sensor construction adopts the hollow out of end face and side design, ensure that the Fast-Balance of environment to be measured and plenum interior gas concentration, greatly reduce the response time, the theoretical response time is less than 6s; RTC real time clock unit provides system clock, utilizes its timing and interrupt function close and wake microcontroller chip up, accurately and reliably; Connected by GPRS mobile network and Surveillance center, the utility model terminal is positioned over key monitoring place, methane concentration monitoring network can be formed easily, realize the distributed monitoring of the emphasis high risk zone such as urban pipe network, gas transmission oil pipeline; Responding ability and longer non-maintaining cycle will improve Methane monitoring ability greatly fast, greatly reduce system maintenance cost simultaneously.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
In figure, 1. battery unit, 2. microcontroller chip, 3.GPRS module, 4. infrared methane sensor, 5.RTC real time clock unit, 6. in good time powered down sleep unit, 7. sensor power chip, 8. microcontroller power supply chip, 9.GPRS power supply chip, 10. Surveillance center.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described:
The utility model provides a kind of low-power consumption and responds Intelligent methane monitoring terminal fast, it comprises battery unit 1, microcontroller chip 2, GPRS module 3, infrared methane sensor 4, described battery unit 1 connects microcontroller chip 2, GPRS module 3, infrared methane sensor 4 respectively, described infrared methane sensor 4 is connected with microcontroller chip 2 respectively with GPRS module 3, it also comprises RTC real time clock unit 5, and described RTC real time clock unit 5 is connected with microcontroller chip 2.
Described battery unit 1 is primarily of the sub-battery composition of lithium, and the sub-battery of lithium is due to its special chemical characteristic, and passivation effect, within its year, self-discharge current is less than 1%, reaches more than 10 years storage life, can be widely used in water meter, does power supply in ammeter and gas meter, flow meter.Described microprocessor chip 2 adopts ARM7 chip.Described GPRS module 3 adopts SIM900A chip, SIM900A belongs to double frequency GSM/GPRS module, adopt SMT encapsulation form completely, SIM900A adopts industry standard interface, frequency of operation is GSM/GPRS850/900/1800/1900MHz, low-power consumption can realize the transmission of voice, SMS, data and facsimile message.MIPEX-02-1-II-1.1 sensor that described infrared methane sensor 4 adopts Russian MIPEX TECHNOLOGY to produce, its power consumption is ultralow, can be less than 3mW, can measurement volumes reach 100% methane.Described RTC real time clock unit 5 adopts PCF8563 chip.
The utility model terminal also comprises in good time powered down sleep unit 6, described in good time powered down sleep unit 6 adopts metal-oxide-semiconductor SI2305, by the GPIO mouth control SI2305 of microcontroller chip 2, thus the power supply controlled infrared methane sensor 4 and GPRS module 3, when system works is in sleep pattern, infrared methane sensor 4 and GPRS module 3 to be powered cut-out, reach the object of power saving.
Described battery unit 1 is connected with infrared methane sensor 4 by sensor power chip 7 (model TPS62175), be connected with microcontroller chip 2 by microcontroller power supply chip 8 (model TPS62130), be connected with GPRS module 3 by GPRS power supply chip 9 (model TPS70933).
Specific works process of the present utility model is as follows:
Described low-power consumption responds under Intelligent methane monitoring terminal can be operated in various modes fast, wherein two kinds of main patterns are normal mode and failure mode, under normal mode, the intrinsic sequential that microcontroller chip 2 can provide according to RTC real time clock unit 5 carries out opening and dormancy.Under the state of opening, microcontroller chip 2 can be opened and the operation such as data acquisition, transmission infrared methane sensor 4, GPRS module 3 respectively according to pre-set programs.Under normal mode, infrared methane sensor 4 can be waken up once every half an hour, every task 3 minutes, GPRS module 3 was waken up once every 12 hours, and the data acquisition of whole terminal, storage, compensation, transmission and the order received from Surveillance center 10 all can complete in a working time slot.
More specifically: infrared methane sensor 4 is placed in environment to be monitored, when methane in environment concentration changes, due to the air chamber structure that it is open, infrared methane sensor 4 will respond fast and by URAT interface, concentration data be passed to microcontroller chip 2, microcontroller chip 2 periodically can send reading order to infrared methane sensor 4 in the awake state, the methane concentration data read from infrared methane sensor 4 directly can not be sent to Surveillance center 10 by GPRS module 3, and the methane concentration data that collection comes on average (are taken out the summation of carrying out of a period of time to average by the data being through inside, to reduce the error that data fluctuations is brought), (infrared methane sensor 4 is by the impact of environment temperature to be monitored for temperature and humidity compensation, concentration measurement can change along with the change of temperature, microcontroller chip 2 needs the infrared methane sensor temperature information according to returning to compensate process to obtained methane concentration data, thus ensure the accuracy of methane concentration DATA REASONING) temporary transient stored in FLASH memory afterwards.When timing then, the methane concentration data after process can read from FLASH memory and pack by microcontroller chip 2, are sent to Surveillance center 10 finally by GPRS module 3.Microcontroller chip 2, except completing the reading of methane concentration data, storage and transmission, also needs to obtain the temperature information of infrared methane sensor 4 and the information about power of battery unit 1, after methane concentration data summarization, completes storage and timed sending.Based on low power dissipation design of the present utility model, infrared methane sensor 4 is in discontinuous operation state all the time, and its state switches to have been come by good time powered down sleep unit 6 by microcontroller chip 2.Equally, GPRS module 3 most of the time can be in dormant state, microcontroller chip 2 also can provide an alarm clock wake-up signal by good time powered down sleep unit 6 to it so that it is revived in time, complete communicate with microcontroller chip 2, connecting wireless network and transmission data task.
When the utility model terminal monitoring is greater than default threshold value to the change of methane concentration, system will enter failure mode automatically, and now maintenance is continued wake-up states by infrared methane sensor 4, constantly transmits methane concentration data to microcontroller chip 2.Meanwhile, per minute or per half a minute is sent real-time methane concentration data to Surveillance center 10 by GPRS module 3, to ensure the accurate judgement of Surveillance center's 10 pairs of pushing comes to shove property of accident.
Claims (6)
1. a low-power consumption responds Intelligent methane monitoring terminal fast, it comprises battery unit, microcontroller chip, GPRS module, infrared methane sensor, described battery unit connects microcontroller chip, GPRS module, infrared methane sensor respectively, described infrared methane sensor is connected with microcontroller chip respectively with GPRS module, it is characterized in that: it also comprises RTC real time clock unit, described RTC real time clock unit is connected with microcontroller chip; The MIPEX sensor that described infrared methane sensor adopts Russian MIPEX TECHNOLOGY to produce.
2. low-power consumption as claimed in claim 1 responds Intelligent methane monitoring terminal fast, it is characterized in that: described RTC real time clock unit adopts PCF8563 chip.
3. low-power consumption as claimed in claim 1 responds Intelligent methane monitoring terminal fast, it is characterized in that: it also comprises in good time powered down sleep unit, described in good time powered down sleep unit is a metal-oxide-semiconductor, by the GPIO mouth control realization of the microcontroller chip power on/off to infrared methane sensor and GPRS module.
4. low-power consumption as claimed in claim 1 responds Intelligent methane monitoring terminal fast, it is characterized in that: described battery unit is connected with infrared methane sensor by sensor power chip.
5. low-power consumption as claimed in claim 1 responds Intelligent methane monitoring terminal fast, it is characterized in that: described battery unit is connected with microcontroller chip by microcontroller power supply chip.
6. low-power consumption as claimed in claim 1 responds Intelligent methane monitoring terminal fast, it is characterized in that: described battery unit is by GPRS power supply chip and GPRS module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799307.8U CN204269544U (en) | 2014-12-16 | 2014-12-16 | Low-power consumption responds Intelligent methane monitoring terminal fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799307.8U CN204269544U (en) | 2014-12-16 | 2014-12-16 | Low-power consumption responds Intelligent methane monitoring terminal fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204269544U true CN204269544U (en) | 2015-04-15 |
Family
ID=52804405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799307.8U Active CN204269544U (en) | 2014-12-16 | 2014-12-16 | Low-power consumption responds Intelligent methane monitoring terminal fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204269544U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208164A (en) * | 2016-08-31 | 2016-12-07 | 成都安可信电子股份有限公司 | A kind of sensor power control method and device |
| CN106814160A (en) * | 2015-11-27 | 2017-06-09 | 深圳洲斯移动物联网技术有限公司 | A kind of gas monitoring system based on gas sensor device |
| WO2017139352A1 (en) | 2016-02-12 | 2017-08-17 | Detcon, Inc. | Wireless gas detection sensor |
| CN107749157A (en) * | 2017-01-10 | 2018-03-02 | 浙江工业大学义乌科学技术研究院有限公司 | A kind of remote data acquisition system and its power consumption control method |
-
2014
- 2014-12-16 CN CN201420799307.8U patent/CN204269544U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814160A (en) * | 2015-11-27 | 2017-06-09 | 深圳洲斯移动物联网技术有限公司 | A kind of gas monitoring system based on gas sensor device |
| WO2017139352A1 (en) | 2016-02-12 | 2017-08-17 | Detcon, Inc. | Wireless gas detection sensor |
| CN109073619A (en) * | 2016-02-12 | 2018-12-21 | 德康有限公司 | wireless gas detection sensor |
| EP3414564A4 (en) * | 2016-02-12 | 2019-10-30 | Detcon, Inc. | Wireless gas detection sensor |
| CN106208164A (en) * | 2016-08-31 | 2016-12-07 | 成都安可信电子股份有限公司 | A kind of sensor power control method and device |
| CN106208164B (en) * | 2016-08-31 | 2018-08-24 | 成都安可信电子股份有限公司 | A kind of sensor method for controlling power supply and device |
| CN107749157A (en) * | 2017-01-10 | 2018-03-02 | 浙江工业大学义乌科学技术研究院有限公司 | A kind of remote data acquisition system and its power consumption control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204269544U (en) | Low-power consumption responds Intelligent methane monitoring terminal fast | |
| CN201945571U (en) | Multi-point measurement and control system for air quality in large space | |
| CN204206546U (en) | Intelligent illumination control device | |
| CN202793696U (en) | GPRS intelligent detection terminal based on infrared gas sensor | |
| Hu et al. | Design wireless multi-sensor fire detection and alarm system based on ARM | |
| CN201237539Y (en) | Calorimeter with intelligent consumption reduction and electricity saving function | |
| CN204390401U (en) | A kind of smog autoalarm | |
| CN203691678U (en) | Novel intelligent microcontroller of energy-saving street lamp | |
| CN206114519U (en) | Low -power consumption underground methane monitoring devices | |
| CN204089270U (en) | A kind of mining lithium battery intelligent management system | |
| CN204044143U (en) | A kind of water quality monitoring node based on WSN | |
| CN201170910Y (en) | Voice warning device with wireless card-reading function for mining | |
| CN110007056A (en) | A kind of Novel low power consumption portable wireless water quality detection system | |
| CN102573118A (en) | Multi-parameter monitoring using wireless sensor node with self-triggering function | |
| CN206038077U (en) | Wireless remote -transmitting fuel gas meter controller module | |
| CN104881018A (en) | Paddy irrigation water utilization coefficient test system for small-sized irrigated area and test method | |
| CN204882313U (en) | Intelligent environment monitor | |
| CN203520120U (en) | Smart power strip system based on GSM and embedded technology | |
| CN203858471U (en) | Micro-power-consumption power supply management system based on PIC18F series single-chip microcomputer | |
| CN202994761U (en) | Wireless air quality controller | |
| CN206649653U (en) | A kind of wind field data collecting system | |
| CN202470303U (en) | Intelligent clock controlled air quality testing, early-alarming and wireless recovery system | |
| CN105466975A (en) | Method for methane measurement by using periodical power supply mode to drive carrier catalytic component | |
| CN205843710U (en) | The insulator dirty degree on-line computing model being wirelessly transferred based on DTU | |
| CN203366098U (en) | Multifunctional monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low power consumption fast response intelligent methane monitoring terminal Effective date of registration: 20151021 Granted publication date: 20150415 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: PEGASUS (QINGDAO) OPTOELECTRONICS, INC. Registration number: 2015990000887 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |