CN202261817U - Energy-saving wireless node device based on ZigBee and data communication frequency variable technology - Google Patents
Energy-saving wireless node device based on ZigBee and data communication frequency variable technology Download PDFInfo
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- CN202261817U CN202261817U CN2011202820134U CN201120282013U CN202261817U CN 202261817 U CN202261817 U CN 202261817U CN 2011202820134 U CN2011202820134 U CN 2011202820134U CN 201120282013 U CN201120282013 U CN 201120282013U CN 202261817 U CN202261817 U CN 202261817U
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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 an energy-saving wireless node device based on ZigBee and a data communication frequency variable technology. The energy-saving wireless node device comprises a sensor, an analog signal processing module, a digital signal buffering module, a ZigBee module, a battery, a power voltage stabilizing module and a controllable power module, wherein the signal input end of the analog signal processing module is connected with the sensor, and the digital signal output end of the analog signal processing module and the signal output end of the digital signal buffering module are connected with the signal input end of the ZigBee module respectively; the signal output end of the ZigBee module is connected with the control input end of the controllable power module; and the output end of the controllable power module is connected with the power ends of other modules and supplies power to the modules. The energy-saving wireless node device based on the ZigBee and the data communication frequency variable technology has the characteristics of high intelligentization degree, flexibility and convenience in parameter configuration, rich acquired information, convenience for spot arrangement, good energy-saving effect and long battery service life.
Description
Technical field
The utility model relates to a kind of intelligent monitoring node of wireless sensor technology, specifically a kind of energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique.
Background technology
Collection for field data; In the past adopt the industrial bus transmission, as for analog sensor signal, because signal is little more; Usually by field apparatuss such as signal amplifier, transmitters signal is amplified, nurses one's health; Convert 4～20mA electric current loop into and carry out remote transmission,, also have to be converted into 0～5V/0～10V voltage and to transmit for the near occasion of transmission range; For switching value signals such as equipment state, warnings; Usually directly transmit by relay output contact signal; Also there is the high equipment of intelligent degree that analog signal, digital signal are handled, programmed, carries out remote transmission through industrial bus such as RS485/RS422, CAN, ProfiBUS, LonWorks again.Yet, for monitoring and controlling systems such as water environment (river, river, lake, pool, reservoir, ocean etc.), air ambients, existing inconvenient, the factor such as be prone to be damaged of wiring cost height, construction, monitoring in real time is difficult to extensive popularization always.Because ZigBee has characteristics such as wireless transmission, low-power consumption, MANET (topological structures such as star-like, sheet, reticular pattern), network extendibility are strong; And; The ZigBee chip is except carrying IEEE802.15.4 communication protocol; Also have functions such as high performance 8051 microcontrollers, data encryption processing, battery detection, temperature monitoring; And interfaces such as abundant I/O mouth, A/D, USART, can promote the combining of ZigBee technology and transducer wireless sensor technology and technology of Internet of things at environmental monitoring, traffic administration, road management, health care, industrial and agricultural production, Smart Home, provide rescue and relief for disasters and emergencies, fields such as warehousing management, logistics transportation, national defense and military develop.
At present, send the 2 kinds of modes that are divided into basically based on the node apparatus data of ZigBee on the market, a kind of be data acquisition once, send once; Another kind of mode, for energy-conservation, when data just often, continuous acquisition is sent once for n time, when data exception, gather once, transmission once.
Summary of the invention
The purpose of the utility model is to existing technological deficiency, and a kind of energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique is provided, and this equipment can be realized the wireless connections and the high-efficient energy-saving function of node and base station effectively.
The technical scheme of the utility model is:
A kind of energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique is characterized in that it comprises a plurality of analog sensors, a plurality of digital sensor, analog module, digital signal buffer module, ZigBee module, battery, power regulator module and controllable electric power module; Described a plurality of analog sensor is gathered the relevant parameter of monitored target; The signal output part of each analog sensor links to each other with the signal input part of analog module; A plurality of digital sensors are gathered the state information of monitored target; The signal output part of each digital sensor links to each other with the signal input part of digital signal buffer module; The signal output part of analog module and digital signal buffer module links to each other with the respective signal input of ZigBee module respectively, and the control signal output ends of ZigBee module links to each other with the control input end of controllable electric power module; The voltage input end of power regulator module links to each other with the positive pole of battery; Its voltage output end links to each other with the power end of ZigBee module and the voltage input end of controllable electric power module respectively; The voltage output end of controllable electric power module is connected with the corresponding power end of analog module and digital signal buffer module respectively, is its power supply.
Said analog module comprises analog signal conditioner circuit and A/D change-over circuit; The signal input part of analog signal conditioner circuit links to each other with the analog signal output of each transducer; The signal output part of analog signal conditioner circuit links to each other with the input end of analog signal of A/D change-over circuit, and the digital signal output end of A/D change-over circuit links to each other with the signal input part of ZigBee module.
Described analog sensor comprises Temperature Humidity Sensor, pH value transducer, conductivity sensor, turbidity transducer, dissolved oxygen sensor, liquid level sensor, displacement transducer, flow sensor, pressure sensor, CO2 transducer, CO transducer, NH3 transducer, dust sensor and optical sensor.
Described digital sensor comprises greasy dirt transducer, intrusion alarm unit, optoelectronic switch.
Described ZigBee module can adopt the CC2530 chip; The controllable electric power module can adopt the REG101 cake core; Power regulator module can adopt the ADP2503 regulator block, and the analog module can adopt the ADS1234 chip, and the digital signal buffer module can adopt the 74HC04 chip.
The beneficial effect of the utility model:
The utility model has effectively overcome the problem that wiring cost is high, difficulty of construction is big that prior art exists for the field data collection; Also overcome wireless transmission owing to site environment obstruct, the not smooth problem of transmission, the utlity model has characteristics such as intelligent degree is high, flexible setting for parameters is convenient, Information Monitoring is enriched, field deployment convenience, good energy-conserving effect, battery life length.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is the workflow diagram of the utility model
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1; A kind of energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique comprises a plurality of analog sensors, a plurality of digital sensor, analog module, digital signal buffer module, ZigBee module, battery, power regulator module and controllable electric power module; Described a plurality of analog sensor is gathered the relevant parameter of monitored target; The signal output part of each analog sensor links to each other with the signal input part of analog module; A plurality of digital sensors are gathered the state information of monitored target; The signal output part of each digital sensor links to each other with the signal input part of digital signal buffer module; The signal output part of analog module and digital signal buffer module links to each other with the respective signal input of ZigBee module respectively, and the control signal output ends of ZigBee module links to each other with the control input end of controllable electric power module; The voltage input end of power regulator module links to each other with the positive pole of battery; Its voltage output end links to each other with the power end of ZigBee module and the voltage input end of controllable electric power module respectively; The voltage output end of controllable electric power module is connected with the corresponding power end of analog module and digital signal buffer module respectively, is its power supply.
Said analog module comprises analog signal conditioner circuit and A/D change-over circuit; The signal input part of analog signal conditioner circuit links to each other with the analog signal output of each transducer; The signal output part of analog signal conditioner circuit links to each other with the input end of analog signal of A/D change-over circuit, and the digital signal output end of A/D change-over circuit links to each other with the signal input part of ZigBee module.
Described transducer comprises Temperature Humidity Sensor, pH value transducer, conductivity sensor, turbidity transducer, dissolved oxygen sensor, liquid level sensor, displacement transducer, flow sensor, pressure sensor, CO2 transducer, CO transducer, NH3 transducer, dust sensor and optical sensor.
Described digital sensor comprises greasy dirt transducer, intrusion alarm unit, optoelectronic switch.
Described ZigBee module can adopt the CC2530 chip; The controllable electric power module can adopt the REG101 cake core; Power regulator module can adopt ADP2503 type regulator block, and the analog module can adopt the ADS1234 chip, and the digital signal buffer module can adopt the 74HC04 chip.
As shown in Figure 2, when the node apparatus of the utility model is worked, may further comprise the steps:
(a) parameter setting; The sampling period T, data difference threshold value D 1/ D 2 that comprise the sensor acquisition data (are the absolute value of data difference; For current data is compared, compared with last data for current data with normal data), (f1 is data transmission frequencies just often to data transmission frequency f1/f2/f3, and f2 is data exception but transmission frequency when being in stable state, and f3 is the transmission frequencies of data when constantly changing; F1 f2 f3), data variation slope threshold values K;
(b) during timing wake-up, open the controllable electric power module, sensor information is gathered, and data are handled, stored;
(c) judge whether current data is normal data, as, represent that then data are normal, send data with the f1 frequency to Surveillance center; Like >=D 1, then whether the judgment data slope greater than threshold values K, promptly >=and D 2?, as >=D 2, the expression data are constantly changing, and then send data with the f3 frequency to Surveillance center; As, expression data exception but be in stable state is sent data with the f2 frequency to Surveillance center;
(d) receive the new parameter that Surveillance center issues, revise parameter setting;
(e) empty and send data, and close the controllable electric power module;
(f) get into resting state.
Described energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique is characterized in that in the step (a), and corresponding to different application environments, the parameter of setting is different.
Described energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique; It is characterized in that in the step (b); Analog sensor is gathered the relevant parameter of monitored environment, and the analog signal of analog sensor output is sent to the ZigBee module after the conditioning of analog module, A/D conversion; Digital sensor is gathered the status signal of monitored environment, and the digital signal of digital sensor output is sent to the ZigBee module after the digital signal buffer module.
Claims (4)
1. the energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique is characterized in that it comprises a plurality of analog sensors, a plurality of digital sensor, analog module, digital signal buffer module, ZigBee module, battery, power regulator module and controllable electric power module; Described a plurality of analog sensor is gathered the relevant parameter of monitored target; The signal output part of each analog sensor links to each other with the signal input part of analog module; A plurality of digital sensors are gathered the state information of monitored target; The signal output part of each digital sensor links to each other with the signal input part of digital signal buffer module; The signal output part of analog module and digital signal buffer module links to each other with the respective signal input of ZigBee module respectively, and the control signal output ends of ZigBee module links to each other with the control input end of controllable electric power module; The voltage input end of power regulator module links to each other with the positive pole of battery; Its voltage output end links to each other with the power end of ZigBee module and the voltage input end of controllable electric power module respectively; The voltage output end of controllable electric power module is connected with the corresponding power end of analog module and digital signal buffer module respectively, is its power supply.
2. the energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique according to claim 1; It is characterized in that said analog module comprises analog signal conditioner circuit and A/D change-over circuit; The signal input part of analog signal conditioner circuit links to each other with the analog signal output of each transducer; The signal output part of analog signal conditioner circuit links to each other with the input end of analog signal of A/D change-over circuit, and the digital signal output end of A/D change-over circuit links to each other with the signal input part of ZigBee module.
3. the energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique according to claim 1 is characterized in that described analog sensor comprises Temperature Humidity Sensor, pH value transducer, conductivity sensor, turbidity transducer, dissolved oxygen sensor, liquid level sensor, displacement transducer, flow sensor, pressure sensor, CO2 transducer, CO transducer, NH3 transducer, dust sensor and optical sensor.
4. the energy-saving wireless node apparatus based on ZigBee and frequency data communication variable technique according to claim 1 is characterized in that described digital sensor comprises greasy dirt transducer, intrusion alarm unit, optoelectronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202820134U CN202261817U (en) | 2011-08-04 | 2011-08-04 | Energy-saving wireless node device based on ZigBee and data communication frequency variable technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202820134U CN202261817U (en) | 2011-08-04 | 2011-08-04 | Energy-saving wireless node device based on ZigBee and data communication frequency variable technology |
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| Publication Number | Publication Date |
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| CN202261817U true CN202261817U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202820134U Expired - Lifetime CN202261817U (en) | 2011-08-04 | 2011-08-04 | Energy-saving wireless node device based on ZigBee and data communication frequency variable technology |
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| CN (1) | CN202261817U (en) |
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2011
- 2011-08-04 CN CN2011202820134U patent/CN202261817U/en not_active Expired - Lifetime
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20120530 |