CN203132730U - Micropower temperature transmitter based on wireless IoT - Google Patents
Micropower temperature transmitter based on wireless IoT Download PDFInfo
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- CN203132730U CN203132730U CN2012206822576U CN201220682257U CN203132730U CN 203132730 U CN203132730 U CN 203132730U CN 2012206822576 U CN2012206822576 U CN 2012206822576U CN 201220682257 U CN201220682257 U CN 201220682257U CN 203132730 U CN203132730 U CN 203132730U
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- power consumption
- temperature transmitter
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- 238000004891 communication Methods 0.000 claims abstract description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 239000003129 oil well Substances 0.000 description 1
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a micropower temperature transmitter based on wireless internet of things (IoT). The micropower temperature transmitter comprises a main controller and a temperature sensor, a data transmission module, an LCD module, a button and a power supply connected with the main controller wherein the data transmission module employs a wireless data transmission module. The micropower temperature transmitter based on wireless IoT is high in stability, reliable in data transmission, low in power consumption, wireless in communication, convenient for data post-treatment and high in data acquisition precision and satisfies the IoT use requirement.
Description
Technical field
The utility model relates to the intelligent transducer field in the wireless Internet of Things, particularly relates to a kind of little power consumption temperature transmitter based on wireless Internet of Things.
Background technology
At present, the front-end collection equipment of Internet of Things adopts wired multi-point temp acquisition system mostly, this traditional multiple spot acquisition system need be connected with each temperature acquisition node with lead, its technology maturation, cost of manufacture is relatively low, but when construction, common wired instrument needs field wiring and maintenance cost than higher, and reliability, security are relatively poor.
This shows, above-mentioned wired multi-point temp acquisition system exists inconvenience and defective in the use, and the intelligent wireless temperature transmitter just develops rapidly towards the direction of high-tech such as high precision, low-power consumption, multi-functional, bus standardization, high reliability and security, how to found and a kind ofly can directly carry out on-site data gathering at objective, Data Post convenience, data acquisition precision height, data transmission are reliable, and has wireless communication ability, low-power consumption, the little power consumption temperature transmitter based on wireless Internet of Things that stability is high, the current important research and development problem of real genus.
The utility model content
The technical problems to be solved in the utility model provides a kind of little power consumption temperature transmitter based on wireless Internet of Things, but the characteristics that make it possess stability height, reliable, the little power consumption communication of data transmission, to make things convenient for Data Post, the data acquisition precision are high, thereby overcome wired multi-point temp acquisition system and need field wiring, construction maintenance cost height, problems such as reliability, poor stability.
For solving the problems of the technologies described above, a kind of little power consumption temperature transmitter based on wireless Internet of Things of the utility model, comprise master controller and the temperature sensor that is connected with master controller, data transmitting module, LCD module, button and power supply, wherein: described data transmitting module adopts the wireless data delivery module.
Further, described data transmitting module is the ZIGBEE transceiver.
The outside of described transceiver antennas is provided with the anticorrosive insulation cover.
Described power supply adopts lithium battery.
Described wireless data delivery module adopts the Zigbee wireless telecommunications or by wireless HART protocol, communication frequency is 2.4GMHz, and communication distance is greater than 300m.
Described temperature sensor adopts thermistor to carry out temperature signal collection.
Described master controller adopts the MSP430 chip.
Described A/D modular converter comprises erasable memory and the peripheral low-pass filter of being made up of resistance and electric capacity of resistance bridge, A/D error amount.
Described LCD module adopts self-defined section-type LCD.
Described button is made up of two magnetic switches that are in LCD module front.
After adopting above design, the utility model compared with prior art has following beneficial effect:
1, the utility model adopts the micropower circuit designing technique, master controller under normal circumstances has the electric current of very low operation and small dormant state electric current, sensor circuit is closed when image data not, wireless module is in park mode when not communication, above-mentioned measure all is in order to save power consumption, to prolong the serviceable life of battery;
2, the utility model adopts Radio Transmission Technology, can carry out traverse measurement, and collection site need not any wiring, and sensor can be placed on the optional position, and is convenient and practical;
3, solve problems such as reliability that wired measuring brings, security.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Above-mentioned only is the general introduction of technical solutions of the utility model, and for can clearer understanding the utility model, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 1 is that the utility model is formed synoptic diagram based on the module of little power consumption temperature transmitter of wireless Internet of Things.
Fig. 2 is that the utility model is formed synoptic diagram based on the circuit of little power consumption temperature transmitter of wireless Internet of Things.
Fig. 3 is the circuit theory diagrams of main control MCU of the present utility model.
Fig. 4 is analog processing circuit schematic diagram of the present utility model.
Fig. 5 is the circuit theory diagrams of the utility model data transmitting module of the present utility model.
Fig. 6 is the circuit theory diagrams of the interface of LCD module of the present utility model and button.
Fig. 7 is software systems process flow diagram of the present utility model.
Embodiment
See also Fig. 1, shown in Figure 2, the utility model is based on little power consumption temperature transmitter of wireless Internet of Things, mainly comprise master controller and the temperature sensor that is connected with master controller, data transmitting module, LCD module, button and power supply, wherein: described data transmitting module adopts the wireless data delivery module.
Temperature sensor is by contacting with on-the-spot measurement object, adopt thermistor to carry out temperature signal collection, the measuring accuracy height sends the parameter that collects to master controller again, by master controller temperature information is transformed into wireless digital signal and sends receiving center to.Temperature sensor can adopt the PT100 thermal resistance to carry out temperature signal collection, the measuring accuracy height, and measurement range is-100 ℃～+ 350 ℃.By the temperature of temperature sensor collection site, again the temperature and resistance signal-voltage signal that collects is compensated the input end that is delivered to A/D converter after the adjustment.
Please cooperate and consult Fig. 3, master controller adopts the MSP430 chip to finish repertoires such as collection, computing, communication, button processing.Intermittent mode is adopted in processor work, and the most of the time is in dormant state, and few working time full speed running has reduced power consumption.
The A/D modular converter becomes voltage signal to resistance signal through resistance bridge, and voltage signal carried out analog to digital conversion (ADC), the A/D modular converter also comprises the erasable memory of A/D error amount, add the peripheral low-pass filter of being formed by resistance and electric capacity, the otiose HF noise signal of filtering improves precision.
Please cooperate and consult shown in Figure 4ly, the A/D modular converter can use the SD24 module of MSP430AFE253 inside.The SD24 module is a sigma-delta analog-digital converter with high impedance input buffer and internal reference voltage; It is right to have nearly 8 multiplexing analog inputs of fully differential, comprising the supply voltage of a built-in temperature sensor and a division; This converter is based on a second order over-sampling sigma-delta modulator and decimation filter of digital; Decimation filter is that an optional over-sampling ratio of comb type filter is 1024; Can do extra filter algorithm and reach high precision.
Please cooperate and consult shown in Figure 5ly, data transmitting module adopts the wireless data delivery module, and preferred low-cost, highly integrated ZIGBEE transceiver aims at low-consumption wireless and uses and design, and at the outer setting anticorrosive insulation cover of antenna.
Please cooperate consult shown in Figure 6, the LCD module adopts self-defined section-type LCD, inside has driving circuit, have above the display part and be similar to the gauge outfit that simulation shows, statistics have shown below, can displays temperature parameter and temperature unit, also can display alarm information, battery capacity information, wireless signal strength information.The LCD module dissipation is very low, has only 50uA, in this process, the LCD module is closed demonstration in normal use, with further saving power consumption, have low working current and minimum dormant state electric current, the system that this low current characteristic is applied to the long-life batteries power supply is very desirable.
Power supply preferably adopts the large-capacity and high-performance lithium battery power supply, 1～3 year life-span, dispense with outer connecting power.
Button is made up of two magnetic switches in LCD module front, and the multiple combination of modifier key realizes different functions.
Please cooperate consult shown in Figure 7, during use, the output signal of temperature sensor compensates the input end that is delivered to A/D converter after the adjustment, convert digital signal to through A/D converter and be delivered to master controller, by master controller with the digital signal of A/D converter output in its internal memory with the numbering that can not change or code pack and be delivered to data transmitting module, and be sent to receiving center by the radio-frequency antenna that links to each other with wireless transceiver circuit with wireless mode, show data and result by the LCD module simultaneously.
As mentioned above, the utility model is to be the little power consumption temperature transmitter based on wireless Internet of Things of power supply with the battery, and it has wireless communication function; Utilize the powered battery function; The acquisition function of conventional instrument is provided; The Presentation Function of low-power consumption is provided, saves electricity consumption; Be provided at on-the-spot calibration function, convenient construction and maintenance, maintenance; Two key combination are provided, realize multiple function; Function with shockproof, moistureproof, solar heat protection, anti-harmful gas.
The utility model is realized remote real-time monitoring based on little power consumption temperature transmitter of wireless Internet of Things, wireless transmission, need not field wiring, saving general instrument needs the trouble of field wiring, both saved manpower, saved construction cost again, and can only when needs send data, work, other times are closed, and have reduced power consumption.Should can't power and need data to carry out the touring detection of occasions such as output channel such as the oil field of real-time Transmission, oil well, heating and well temperature again based on little power consumption temperature transmitter scene of being specially adapted to of wireless Internet of Things.
The utility model is different from general temperature transmitter based on little power consumption temperature transmitter of wireless Internet of Things, utilize wireless technology and digitizing integrated temperature transmitter technology, development digital radio temperature transmitter, integrated to guarantee temperature, problems such as the reliability that the existing wired measuring temperature of solution is brought, poor stability.The wireless temperature transmitter becomes the temperature parameter of control object into electric signal, and receiving end is sent wireless signal, system is carried out detect, regulate and control.Can directly be connected with general industry thermal resistance, thermopair, constitute integral structure with on-the-spot sensing element.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in the protection domain of the present utility model.
Claims (10)
1. little power consumption temperature transmitter based on wireless Internet of Things, it is characterized in that comprising master controller and the temperature sensor that is connected with master controller, data transmitting module, LCD module, button and power supply, wherein: described data transmitting module adopts the wireless data delivery module.
2. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1, it is characterized in that: described data transmitting module is the ZIGBEE transceiver.
3. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 2, it is characterized in that: the outside of described transceiver antennas is provided with the anticorrosive insulation cover.
4. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1 is characterized in that: described power supply employing lithium battery.
5. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1, it is characterized in that: described wireless data delivery module adopts the zigbee wireless telecommunications or passes through wireless HART protocol, communication frequency is 2.4GHz, and communication distance is greater than 300m.
6. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1 is characterized in that: described temperature sensor adopts thermistor to carry out temperature signal collection.
7. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1 is characterized in that: described master controller employing MSP430 chip.
8. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1, it is characterized in that: described temperature sensor is connected with master controller by the A/D modular converter, and this A/D modular converter comprises erasable memory and the peripheral low-pass filter of being made up of resistance and electric capacity of resistance bridge, A/D error amount.
9. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1, it is characterized in that: described LCD module adopts self-defined section-type LCD.
10. the little power consumption temperature transmitter based on wireless Internet of Things according to claim 1, it is characterized in that: described button is made up of two magnetic switches that are in LCD module front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206822576U CN203132730U (en) | 2012-12-11 | 2012-12-11 | Micropower temperature transmitter based on wireless IoT |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206822576U CN203132730U (en) | 2012-12-11 | 2012-12-11 | Micropower temperature transmitter based on wireless IoT |
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| CN203132730U true CN203132730U (en) | 2013-08-14 |
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| CN2012206822576U Expired - Fee Related CN203132730U (en) | 2012-12-11 | 2012-12-11 | Micropower temperature transmitter based on wireless IoT |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487149A (en) * | 2013-08-27 | 2014-01-01 | 北京华海隆科技有限公司 | Wireless embedded temperature detecting device |
| CN104266775B (en) * | 2014-10-27 | 2017-02-22 | 宁波普锐达物联科技有限公司 | High-precision temperature sensor applied to internet of things |
| CN106908165A (en) * | 2015-12-23 | 2017-06-30 | 康铂创想（北京）科技有限公司 | Using the method and apparatus of thermosensitive resistance measurement temperature |
| CN110806226A (en) * | 2019-09-27 | 2020-02-18 | 中国一冶集团有限公司 | Wireless transmitter and inspection system, verification method and debugging method thereof |
| CN116374679A (en) * | 2023-06-05 | 2023-07-04 | 四川蜀道建筑科技有限公司 | Conveying equipment with effect of exciting hydration reaction of concrete |
-
2012
- 2012-12-11 CN CN2012206822576U patent/CN203132730U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487149A (en) * | 2013-08-27 | 2014-01-01 | 北京华海隆科技有限公司 | Wireless embedded temperature detecting device |
| CN104266775B (en) * | 2014-10-27 | 2017-02-22 | 宁波普锐达物联科技有限公司 | High-precision temperature sensor applied to internet of things |
| CN106908165A (en) * | 2015-12-23 | 2017-06-30 | 康铂创想（北京）科技有限公司 | Using the method and apparatus of thermosensitive resistance measurement temperature |
| CN110806226A (en) * | 2019-09-27 | 2020-02-18 | 中国一冶集团有限公司 | Wireless transmitter and inspection system, verification method and debugging method thereof |
| CN116374679A (en) * | 2023-06-05 | 2023-07-04 | 四川蜀道建筑科技有限公司 | Conveying equipment with effect of exciting hydration reaction of concrete |
| CN116374679B (en) * | 2023-06-05 | 2023-09-08 | 四川蜀道建筑科技有限公司 | Conveying equipment with effect of exciting hydration reaction of concrete |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20211211 |