CN203012943U - Sensing node with low power consumption and wireless controllable awakening function - Google Patents
Sensing node with low power consumption and wireless controllable awakening function Download PDFInfo
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- CN203012943U CN203012943U CN2013200039214U CN201320003921U CN203012943U CN 203012943 U CN203012943 U CN 203012943U CN 2013200039214 U CN2013200039214 U CN 2013200039214U CN 201320003921 U CN201320003921 U CN 201320003921U CN 203012943 U CN203012943 U CN 203012943U
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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 relates to a sensing node with low power consumption and a wireless controllable awakening function. The node comprises a radiofrequency module, a CPU (central processing unit) module and an RTC (real time clock) module, wherein the CPU module is connected with the radiofrequency module and the RTC module respectively; and the CPU module is further connected with a sensor via a sensor communication bus. According to the node disclosed by the utility model, a working mode of combining wireless remote controllable passive awakening with active threshold sensing meets the need of acquisition flexibility; with the adoption of a low-power-consumption design, the node can give consideration to both miniaturization and service life; and with the adoption of a multi-parameter acquisition design, multi-parameter sensing can be performed on a detected object, thus providing basis for a data fusion technology.
Description
Technical field
The utility model relates to a kind of sensing node, particularly relates to the controlled sensing node that wakes up of a kind of low-consumption wireless.
Background technology
The radio sensing network monitoring node of present domestic employing sleep mode is generally initiatively wake-up mode work, and namely data acquisition node independently gathers sensing data, transmission and sleep according to default workflow.The center aggregation node can not be controlled in real time for the course of work of acquisition node, only the passive next data of recipient node transmission.Such radio node initiatively wake source generally is divided into clock triggering, sensing data threshold triggers.Although this mode can be designed the very low node of power consumption, its networking and data acquisition transmit inflexible shortcoming and have restricted its application in a lot of industries, and it can only be according to the network sensing acquisition load mode work of appointing.Although for example aforesaid way can satisfy detection under the storage normality in the foodstuff preservation field; yet when excess Temperature appears in grain; during the critical incident such as infested, just require acquisition node to adjust collection period or deal with the special variation of monitoring target with the specific process image data.And the crisis in food event is sporadic, is in dormant acquisition node and can't in time learns this situation, and then can't in time make corresponding adjustment.The application of therefore existing wireless sensing node has larger limitation.
Sensing node is processed for solving above-mentioned incident the demand that gathers transmission flexibility, the high-frequency transmitting-receiving handshake of domestic general employing mode solves.For example, each radio node carries out handshake communication one time every T time and Centroid, if there is incident to occur, carries signaling information by handshake and realizes adjusting flexibly, and node is no more than T to the response events of this signaling.Although this mode has solved the problems referred to above, but high-frequency periodicity handshake has produced larger signaling consumption, this has had a strong impact on the battery of radio node, if adopt the battery of larger capacity can cause again the node volume excessive, is unfavorable for the application of a lot of occasions.
Summary of the invention
For avoiding above the deficiencies in the prior art, the utility model provides a kind of low-consumption wireless the controlled sensing node that wakes up.The utility model adopts the controlled passive working method that combines with the active sensing threshold value of waking up of wireless remote to satisfy the demand that gathers dirigibility, adopt the design of low-power consumption to make node can take into account miniaturization and serviceable life, the design of employing multi-parameters sampling, can carry out the multiparameter perception to measurand, for Data fusion technique provides the basis.
The technical solution of the utility model is:
The controlled sensing node that wakes up of low-consumption wireless, this node comprises radio-frequency module, CPU module and RTC clock module, described CPU module is connected with the RTC module with described radio-frequency module respectively, be provided with in described radio-frequency module and can wake chip up by the low-power consumption that radio magnetic wave wakes up, described CPU module is provided with the mode of operation that threshold triggers is waken up, and described node can be waken up with the optimal strategy triggering mode by radio magnetic wave, sensor threshold value, RTC module.
Further, described CPU module is connected with sensor by sensor communication bus.
Further, described sensor is temperature sensor, humidity sensor, baroceptor, oxygen concentration sensor or gas concentration lwevel sensor.
Further, described CPU module also is connected with voltage boosting and stabilizing circuit.
Further, described voltage boosting and stabilizing circuit is connected with the handover module for Switching power.
The controlled sensing node device that wakes up of a kind of low-consumption wireless, this device comprises sensing node and sensor, described sensing node comprises radio-frequency module, CPU module and RTC clock module, described CPU module is connected with the RTC module with described radio-frequency module respectively, be provided with in described radio-frequency module and can wake chip up by the wireless low-power consumption that described CPU module is waken up, described sensor is connected with described CPU module by sensor communication bus.
The utility model has the advantage of:
1. this node is in that under the controlled holding state that wakes up, power consumption reaches 35uA, can make radio node have higher battery and more miniature volume, and the microminiaturization of this radio node can use its application scenarios more extensive;
2. when tackling incident, the working method that this node adopts passive type long distance wireless wake-up mode and active sensing threshold value to combine can be used and can tackle flexibly sporadic data acquisition or transmission;
3. when gathering for various environmental parameters, this node has the Quick Acquisition ability of many kinds of parameters.
Description of drawings
Fig. 1 is node principle assumption diagram of the present utility model;
Fig. 2 is the utility model groundwork mode process flow diagram.
Embodiment
Be illustrated in figure 1 as node principle assumption diagram of the present utility model, a kind of Novel low power consumption the is wireless controlled sensing node that wakes up, this node comprises radio-frequency module, CPU module and RTC clock module, and described CPU module is connected with the RTC module with described radio-frequency module respectively.Described radio-frequency module adopts has the wireless chip design that the controlled wireless low-power consumption wakes up, makes node electric current under sleep state reach 35uA, and can wireless awakening, sends wake-up interrupts to CPU.
Described CPU module also is connected with sensor by sensor communication bus.Described sensor is temperature sensor, humidity sensor, baroceptor, oxygen concentration sensor or gas concentration lwevel sensor.Described CPU module also is connected with voltage boosting and stabilizing circuit.Described voltage boosting and stabilizing circuit is connected with supplying cell module and electrical source exchange module.
The utility model considers that in the Sensor section application, power dissipation ratio is larger, and as the gas concentration lwevel sensor, so the sensor collecting part adopts the mode of independent controlled voltage stabilizing power supply.
Be the utility model groundwork mode process flow diagram as Fig. 2, the working method that the utility model adopts passive type long distance wireless wake-up mode and active sensing threshold value to combine.At first close the received RF circuit, the RTC clock is set wakes CPU up once every the T time, CPU enters sleep state; Secondly after CPU is waken up, detects and interrupt wake events, if the RTC clock interrupts, enter the sensing acquisition sequential, image data is analyzed, if need to carry out the data alarm operation, wake radio circuit up, and with the Centroid rear transmission data of shaking hands; If interrupt event is sporadic wireless signaling, resolving information and carry out the associative operation of signaling; As do not have all the other trigger events node again enter sleep state.
Below with an embodiment, the utility model is described in further details.Adopting radio node of the present invention to carry out technology to the monitoring of quality of tobacco state in tobacco tobacco mellowing process implements, in formed the cigarette buttress of 5m*5m*3m by carton, be evenly arranged 5 wireless sensing nodes that comprise humiture, air pressure, oxygen concentration, gas concentration lwevel in each cigarette buttress, layout center aggregation node between alcoholization, and pass with detection control center machine room computer system by 1W high-power wireless number and be connected.
When node all arrange appropriate after, start the detection system software of centralized computer, and start control command to five node transmitting systems of each cigarette buttress, can carry out wireless signal respectively at Centroid in the random delay mode and shake hands after the node controlled signal wakes up, obtain system operational parameters, as working frequency points 430MHz, node sensing data acquisition interval is 4 hours, the reported data frequency is for once a day, and 16 keys of AES data encryption are calibrated the real-time clock posterior nodal point and entered dormant state.
Node of the present utility model can gather every 4 hours one group of data that comprise humiture, air pressure, oxygen concentration, gas concentration lwevel after entering the state of normal operation, node can be analyzed image data, if data show tobacco leaf and enter the special state of setting, wake radio circuit up at once and be in the transmission state and converge the transmission alarm state information to the center, if data are not extremely stored data and entered dormant state.Every morning, 8 all nodes can be sent to the Spot detection computer system with 6 groups of sensing datas in a day.If run into special circumstances, the Spot detection computer system can be artificially or is independently sent accidental sense command, or other control commands change the node parameter sensing.
The average stand-by power consumption of node is 35uA approximately, sensor image data state node working current 6mA, one time acquisition time 10S(is determined by carbon dioxide sensor preheating time), electric current 40mA under node wireless transmitting-receiving communications status, once make time 100ms, as average in above-mentioned working method every day working current 100uA, node adopts the 2 inferior powered battery of joint 1800mAh lithium, consult Fig. 1, wherein 1 joint is CPU and radio-frequency module power supply, another 1 joint is the power supply of sensor collecting part, can reach 1.5 years according to estimation node mission life.
This node also can connect the man-machine interaction hand system and connect, and forms hand-held acquisition terminal.For example, the staff is when carrying out routine inspection or having special circumstances to enter checking in sweathouse to fermentation cigarette buttress, can use the handheld device of node expansion of the present invention to send accidental acquisition, one group of sensing data of interim collection, converge to handheld terminal and show, disposing for staff's analysis judgement provides reliable data foundation.
The design of this node can be satisfied long-term controlled type selecting state sleep current 35uA, that a kind of energy keeps Miniaturization Design node under long battery, can be waken up to gather by long distance wireless at any time and transmit the perception data operation, also can be triggered by the perception data affair alarm and transmit perception data, and can make great deal of nodes flexible networking voluntarily.
Should be appreciated that the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is illustrative and not restrictive.Those of ordinary skill in the art is reading on the basis of instructions of the present invention and can modify to the technical scheme that each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. the controlled sensing node that wakes up of low-consumption wireless, it is characterized in that, this node comprises radio-frequency module, CPU module and RTC clock module, described CPU module is connected with the RTC module with described radio-frequency module respectively, be provided with in described radio-frequency module and can wake chip up by the low-power consumption that radio magnetic wave wakes up, described CPU module is provided with the mode of operation that threshold triggers is waken up, and described node can be waken up with the optimal strategy triggering mode by radio magnetic wave, sensor threshold value, RTC module.
2. the controlled sensing node that wakes up of a kind of low-consumption wireless according to claim 1, is characterized in that, described CPU module is connected with sensor by sensor communication bus.
3. the controlled sensing node that wakes up of a kind of low-consumption wireless according to claim 1, is characterized in that, described sensor is temperature sensor, humidity sensor, baroceptor, oxygen concentration sensor or gas concentration lwevel sensor.
4. the controlled sensing node that wakes up of a kind of low-consumption wireless according to claim 1, is characterized in that, described CPU module also is connected with voltage boosting and stabilizing circuit.
5. the controlled sensing node that wakes up of a kind of low-consumption wireless according to claim 4, is characterized in that, described voltage boosting and stabilizing circuit is connected with the handover module for Switching power.
6. controlled sensing node device that wakes up of low-consumption wireless, it is characterized in that, this device comprises sensing node and sensor, described sensing node comprises radio-frequency module, CPU module and RTC clock module, described CPU module is connected with the RTC module with described radio-frequency module respectively, be provided with in described radio-frequency module and can wake chip up by the wireless low-power consumption that described CPU module is waken up, described sensor is connected with described CPU module by sensor communication bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013200039214U CN203012943U (en) | 2013-01-06 | 2013-01-06 | Sensing node with low power consumption and wireless controllable awakening function |
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| CN2013200039214U CN203012943U (en) | 2013-01-06 | 2013-01-06 | Sensing node with low power consumption and wireless controllable awakening function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438930A (en) * | 2013-08-20 | 2013-12-11 | 云南烟叶复烤有限责任公司 | Wireless self-check temperature and humidity primary tobacco maintenance detecting method |
| CN105466499A (en) * | 2016-01-14 | 2016-04-06 | 昆明美光科技有限公司 | Tobacco leaf alcoholization storage low-power long-endurance humiture hydrogen phosphide monitoring device |
| CN105490902A (en) * | 2016-02-01 | 2016-04-13 | 杭州古北电子科技有限公司 | Intelligent home system, and wireless information acquisition equipment control method and apparatus |
| CN106452647A (en) * | 2016-11-07 | 2017-02-22 | 北京必创科技股份有限公司 | Radio frequency device and wireless sensor network system |
| CN109993953A (en) * | 2018-01-02 | 2019-07-09 | 沈飞 | A kind of low-power consumption power supply module |
| CN110286739A (en) * | 2019-05-27 | 2019-09-27 | 华自科技股份有限公司 | The power consumption control method and device of long-haul telemetry terminal |
| CN114222330A (en) * | 2021-12-28 | 2022-03-22 | 全球能源互联网研究院有限公司 | Wireless sensor network communication system |
-
2013
- 2013-01-06 CN CN2013200039214U patent/CN203012943U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438930A (en) * | 2013-08-20 | 2013-12-11 | 云南烟叶复烤有限责任公司 | Wireless self-check temperature and humidity primary tobacco maintenance detecting method |
| CN105466499A (en) * | 2016-01-14 | 2016-04-06 | 昆明美光科技有限公司 | Tobacco leaf alcoholization storage low-power long-endurance humiture hydrogen phosphide monitoring device |
| CN105490902A (en) * | 2016-02-01 | 2016-04-13 | 杭州古北电子科技有限公司 | Intelligent home system, and wireless information acquisition equipment control method and apparatus |
| CN106452647A (en) * | 2016-11-07 | 2017-02-22 | 北京必创科技股份有限公司 | Radio frequency device and wireless sensor network system |
| CN109993953A (en) * | 2018-01-02 | 2019-07-09 | 沈飞 | A kind of low-power consumption power supply module |
| CN109993953B (en) * | 2018-01-02 | 2022-06-28 | 严如强 | Low-power consumption power supply module |
| CN110286739A (en) * | 2019-05-27 | 2019-09-27 | 华自科技股份有限公司 | The power consumption control method and device of long-haul telemetry terminal |
| CN110286739B (en) * | 2019-05-27 | 2021-02-05 | 华自科技股份有限公司 | Power consumption control method and device of remote telemetry terminal |
| CN114222330A (en) * | 2021-12-28 | 2022-03-22 | 全球能源互联网研究院有限公司 | Wireless sensor network communication system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20180106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |