CN204405117U - A kind of coupling resonance wireless environment monitoring device - Google Patents
A kind of coupling resonance wireless environment monitoring device Download PDFInfo
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- CN204405117U CN204405117U CN201520095321.4U CN201520095321U CN204405117U CN 204405117 U CN204405117 U CN 204405117U CN 201520095321 U CN201520095321 U CN 201520095321U CN 204405117 U CN204405117 U CN 204405117U
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Abstract
The utility model discloses a kind of coupling resonance wireless environment monitoring device, comprise multiple probe node and monitoring terminal, described multiple probe node and monitoring terminal wireless data communications; Described probe node comprises supply module, sensor assembly, microprocessor module and signal madulation transmitter module, described supply module is connected with signal madulation transmitter module with sensor assembly, microprocessor module, described sensor assembly detects illumination intensity information and the data message detected is sent to microprocessor module by temperature information, and described microprocessor module is connected with signal madulation transmitter module; Described monitoring terminal comprises the Signal reception demodulation module, microprocessor module I and the display module that carry out wireless data communications with signal madulation transmitter module, described Signal reception demodulation module is connected with microprocessor module I, and described microprocessor module I is connected with display module.
Description
Technical field
The utility model relates to a kind of wireless communication technology, particularly a kind of coupling resonance wireless environment monitoring device.
Background technology
The collect and transmit adopting wire transmission technology and artificial means to carry out data in environmental monitoring system known at present more.The wire transmission technology adopted can realize the transmission of longer distance, but under some environment, number of devices is usually a lot of and layout is complicated, and circuit is easily subject to the damage of environmental factor, and this makes the cost that connects up and daily servicing expense increase greatly; The artificial means adopted carry out the problem that data acquisition transmission avoids not easily wiring and line upkeep, decrease cost, but bring status information of equipment can not Real-time Feedback to the problem of Surveillance center, in environmental monitoring system, number of devices is generally in hundreds rank, therefore the cost of whole monitoring system monitoring and maintainer can strengthen large increase, waste of manpower.
Utility model content
According to prior art Problems existing, the utility model discloses a kind of coupling resonance wireless environment monitoring device, comprise multiple probe node and monitoring terminal, described multiple probe node and monitoring terminal wireless data communications;
Described probe node comprises supply module, sensor assembly, microprocessor module and signal madulation transmitter module, described supply module is connected with signal madulation transmitter module with sensor assembly, microprocessor module, described sensor assembly detects illumination intensity information and the data message detected is sent to microprocessor module by temperature information, and described microprocessor module is connected with signal madulation transmitter module;
Described monitoring terminal comprises the Signal reception demodulation module, microprocessor module I and the display module that carry out wireless data communications with signal madulation transmitter module, described Signal reception demodulation module is connected with microprocessor module I, and described microprocessor module I is connected with display module.
Described signal madulation transmitter module comprises carrier generating circuit, ASK signal modulation circuit and radio transmitter, and described carrier generating circuit is connected with ASK signal modulation circuit, and described ASK signal modulation circuit is connected with radio transmitter.
Described Signal reception demodulation module comprises wireless receiving circuit, detecting circuit and comparator circuit, and described wireless receiving circuit is connected with detecting circuit, and described detecting circuit is connected with comparator circuit.
Described sensor assembly comprises temperature collection circuit and light intensity Acquisition Circuit.
The utility model take wireless communication technology as research background, take environmental monitoring system as design basis, when needing to gather the environmental informations such as illumination temperature humidity under some mal-condition current, artificial not easily arrive and connect up difficulty when, propose the research approach adopting coupling resonance formula wireless environment monitoring system, devise the system be made up of monitoring node and monitoring terminal, solve the problems referred to above.The utility model system adopt by MK60DN512 be core microprocessor module and with the pattern of the ASK modulation-demodulation circuit monitoring terminal that is core by LC pickup coil wirelessly transmitting data, achieve the wireless receiving and dispatching of environmental state information, avoid current wire transmission network increases cost problem because of wiring and artificial collection; It also avoid the problem to wired transmission lines corrosion and damage under some environment simultaneously.A wireless remote monitoring system that the utility model mainly maybe cannot carry out Real-Time Monitoring for status information transmission cost height in environment information acquisition process and produce, to realize the low cost of status information in environmental monitoring process and real-time transmitting.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural drawing of the utility model coupling resonance wireless environment monitoring terminal set;
Fig. 2 is the structural representation of probe node in the utility model;
Fig. 3 is the structural representation of sense terminals in the utility model;
Fig. 4 is the partial circuit figure of supply module in the utility model;
Fig. 5 is the partial circuit figure of supply module in the utility model;
Fig. 6 is the schematic diagram of temperature collection circuit in sensor assembly in the utility model;
Fig. 7 is the schematic diagram of light intensity Acquisition Circuit in sensor assembly in the utility model;
Fig. 8 is the schematic diagram of carrier generating circuit in signal madulation transmitter module in the utility model;
Fig. 9 is the schematic diagram of ASK signal modulation circuit in signal madulation transmitter module in the utility model;
Figure 10 is the circuit diagram of Signal reception demodulation module in the utility model;
Figure 11 is the circuit theory diagrams of display module in the utility model.
Embodiment
For making the technical solution of the utility model and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, clear complete description is carried out to the technical scheme in the utility model embodiment:
A kind of coupling resonance wireless environment monitoring device as shown in Figure 1, comprise multiple probe node 100 and monitoring terminal 200, the information detected is carried out the conversion between simulating signal and digital signal for the temperature information in testing environment and illumination intensity information by multiple probe node 100, then carry out signal madulation, finally the simulating signal after modulation is sent to monitoring terminal 200.Described monitoring terminal 200 receives this analog signal information and this demodulates information is become digital signal and carries out the numerical monitor of environmental information.
Principle of work of the present utility model is as follows: the supply module 1 in probe node 100 gives sensor assembly 2 respectively, signal madulation transmitter module 4 is powered.When ambient condition changes, the analog quantity information collected is converted into digital quantity and passes to microprocessor module 3 by temperature collection circuit 21 and light intensity Acquisition Circuit 22, after information is carried out judgement process by microprocessor module 3, be sent to signal madulation transmitter module 4 again, convert status information of equipment to simulating signal through ASK modulation circuit 42 and launch through LC oscillatory circuit; The signal message of Signal reception demodulation module 4 transmission of monitoring terminal 200 simultaneously, ASK signal is carried out demodulation by envelope detection, the simulating signal received is changed into digital signal and sends to microprocessor module I 6, the information such as environment measuring status information and node serial number current time show in the OLED display screen of display module 7 by microprocessor module I 6.
As shown in Figure 2: wherein probe node 100 comprises supply module 1, sensor assembly 2, microprocessor module 3 and signal madulation transmitter module 4, supply module 1 is connected with signal madulation transmitter module 4 with sensor assembly 2, microprocessor module 3, sensor assembly 2 detects illumination intensity information and the data message detected is sent to microprocessor module 3 by temperature information, and microprocessor module 3 is connected with signal madulation transmitter module 4.Supply module 1 is sensor assembly 2, microprocessor module 3 and signal madulation transmitter module 4 provide power supply.Supply module 1 comprises low pressure difference linear voltage regulator TPS7350-5V and linear power supply voltage stabilizing chip LM1117-3.3V, for providing power supply for sensor assembly 2 and signal madulation transmitter module 4.
Be direct supply is converted to direct current+5V circuit diagram in supply module 1 as shown in Figure 4, power to signal madulation sending module 4.In figure, the pin one of TPS7350-5V is earth terminal, and pin two is the Enable Pin of chip Low level effective, and pin 3 and pin 4 are voltage input end, and pin 5 and pin 6 are voltage output end, and pin 7 is current detecting end, and pin 8 is chip reset end; L2_1 left end connects anode, and the network that the right connects C2_1 and C2_2 parallel connection forms LC filtering circuit, connects the input end of TPS7350-5V, reduces the ripple of input voltage; C2_3, C2_4 are filter capacitor, the output terminal of a termination TPS7350-5V after in parallel, other end ground connection, and burning voltage exports; R2_1 is current-limiting resistance, and left end connects the output terminal of TPS7350-5V, the anode of right-hand member connecting luminous diode, ensures that light emitting diode normally works; D2_1 is light emitting diode, and anode connects current-limiting resistance, plus earth, plays duty indicative function.
Direct current+5V is converted to direct current+3.3V circuit diagram in supply module 1 by Fig. 5.Direct current in battery is transformed into the stable output of 3.3V by LM1117-3.3V, powers to sensor assembly and microprocessor module.In figure, the pin one of LM1117-3.3V is earth terminal, and pin two and pin 3 are respectively voltage input end and output terminal; C2_5, C2_6, C2_7, C2_8 are filter capacitor, regulated output voltage.D2_2 is light emitting diode, plays duty indicative function.R2_2 is current-limiting resistance, ensures that light emitting diode normally works.
As shown in Figure 6: sensor assembly 2 comprises temperature collection circuit 21 and light intensity Acquisition Circuit 22, and temperature collection circuit 21 comprises containing temperature sensor DS18B20, be the temperature simulation amount information in environment is converted to digital quantity send microprocessor module to.In figure, pin one is power input, and pin two is digital output end, and pin 3 is earth terminal; R3_1 is pull-up resistor, and left end connects positive source, and right-hand member connects digital quantity output terminal, improves the high value of digital signal output end.
As shown in Figure 7: the light intensity analog quantity information in environment is converted to digital quantity and sends microprocessor module to by intensity collection circuit 22.When natural lighting intensity is higher than (setup parameter) time to a certain degree, then phototriode Q3_1 presents low resistive state and is namely less than 1K Ω, the base voltage of triode Q1 will increase, make triode Q3_2 saturation conduction, triode Q3_2 collector output low level will be made, do not participate in its work.When natural lighting intensity is less than to a certain degree (setup parameter), then phototriode Q3_1 presents high-impedance state and is greater than 100K Ω, and triode Q3_2 is ended, and the collector of Q3_2 exports high level, participates in its circuit working.Wherein variable resistor R3_4 is the device as the strong and weak sensitivity parameter of adjusting ambient light illumination, and the size of its resistance, will make triode Q3_2 conducting under different environment illumination intensity parameters, and the circuit of R3_3, C3_1 composition has jamming-proof effect.Microprocessor module 3 comprises MK60DN512 chip and peripheral circuit, is used for the information collected being carried out processing and sending to signal madulation transmitter module 4, and this module is used for converting digital signal to simulating signal, and is sent by coil.Wherein: signal madulation transmitter module 4 comprises carrier generating circuit 41, ASK signal modulation circuit 42 and radio transmitter 43.
The pin 4 of carrier generating circuit 41, NE555 is as shown in Figure 8 the reset terminal of Low level effective, meets VCC, avoid interference when not using, and therefore meets VCC together with pin 8; The indirect adjustable resistance R4_2 of pin 6 and pin 7 and resistance R4_3, the indirect resistance R4_3 of pin 7 and pin 8, the indirect electric capacity C4_2 on pin two and ground, R4_2, R4_3, R4_3, C4_2 determine output frequency, are regulated by adjustable resistance R4_2; Pin one is earth terminal; Pin 3 is output terminals; The indirect electric capacity C4_2 on pin two and ground, stable reference voltage.
As shown in Figure 9, the temperature signal that the PTE1 of microprocessor module 3MK60DN512 chip sends and carrier wave are connected two input ends of Sheffer stroke gate respectively, then to carry out logical and non-with the light intensity signal that PTE2 sends, and gained signal connects the gate pole of metal-oxide-semiconductor; The indirect discharge resistance R4_4 of metal-oxide-semiconductor gate pole and source electrode, prevents misoperation, protection metal-oxide-semiconductor.
As shown in Figure 3: wherein monitoring terminal 200 comprises the Signal reception demodulation module 5, microprocessor module I 6 and the display module 7 that carry out wireless data communications with signal madulation transmitter module 4, Signal reception demodulation module 5 is connected with microprocessor module I6, and microprocessor module I6 is connected with display module 7.Signal reception demodulation module 5 comprises wireless receiving circuit 51, detecting circuit 52 and comparator circuit 53.Simulating signal for pickup coil is received converts digital signal to and passes to microprocessor module I 6.Microprocessor module I 6 comprises for the treatment of receiving the MK60DN512 chip of data and Jlink debug i/f circuit thereof, information is sent to display module 7 for the treatment of the digital signal after demodulated.Display module 7 comprises OLED liquid crystal screen and driving circuit thereof, for display environment detection node information.
As shown in Figure 10: inductance L 5_1, electric capacity C5_1 and tunable capacitor C5_2 forms receiving circuit, changes resonance frequency by regulating C5_2; Resistance R5_1 and electric capacity C5_3 forms low-pass filter; Diode D5_1 and low pass low-pass filter diode envelope detecting circuit in series, its input end is connected with the output terminal of receiving circuit, the later signal of detection is simulating signal, need to compare with decision threshold through comparer, just can be reduced to digital signal, therefore detection network output connects the input end in the same way of voltage comparator LM339; The both positive and negative polarity of resistance R5_1 and resistance R5_3 series connection place in circuit, mid-point voltage provides comparative voltage for LM339, accesses the inverting input of LM339; The output termination microprocessor of LM339 receives the pin PTD7 of data.
As shown in figure 11: the OLED display circuit of display module 7.P6_1 is the I/O interface of microprocessor module I 6, is connected with OLED liquid crystal display with the form of DataBus bus, controls LED display device information and status information; P6_2 is OLED interface, for connecting OLED liquid crystal screen.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (4)
1. a coupling resonance wireless environment monitoring device, it is characterized in that: comprise multiple probe node (100) and monitoring terminal (200), described multiple probe node (100) and monitoring terminal (200) wireless data communications;
Described probe node (100) comprises supply module (1), sensor assembly (2), microprocessor module (3) and signal madulation transmitter module (4), described supply module (1) is connected with signal madulation transmitter module (4) with sensor assembly (2), microprocessor module (3), described sensor assembly (2) detects illumination intensity information and the data message detected is sent to microprocessor module (3) by temperature information, and described microprocessor module (3) is connected with signal madulation transmitter module (4);
Described monitoring terminal (200) comprises the Signal reception demodulation module (5), microprocessor module I (6) and the display module (7) that carry out wireless data communications with signal madulation transmitter module (4), described Signal reception demodulation module (5) is connected with microprocessor module I (6), and described microprocessor module I (6) is connected with display module (7).
2. a kind of coupling resonance wireless environment monitoring device according to claim 1, be further characterized in that: described signal madulation transmitter module (4) comprises carrier generating circuit (41), ASK signal modulation circuit (42) and radio transmitter (43), described carrier generating circuit (41) is connected with ASK signal modulation circuit (42), and described ASK signal modulation circuit (42) is connected with radio transmitter (43).
3. a kind of coupling resonance wireless environment monitoring device according to claim 1, be further characterized in that: described Signal reception demodulation module (5) comprises wireless receiving circuit (51), detecting circuit (52) and comparator circuit (53), described wireless receiving circuit (51) is connected with detecting circuit (52), and described detecting circuit (52) is connected with comparator circuit (53).
4. a kind of coupling resonance wireless environment monitoring device according to claim 1, is further characterized in that: described sensor assembly (2) comprises temperature collection circuit (21) and light intensity Acquisition Circuit (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520095321.4U CN204405117U (en) | 2015-02-10 | 2015-02-10 | A kind of coupling resonance wireless environment monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520095321.4U CN204405117U (en) | 2015-02-10 | 2015-02-10 | A kind of coupling resonance wireless environment monitoring device |
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| CN204405117U true CN204405117U (en) | 2015-06-17 |
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| CN201520095321.4U Expired - Fee Related CN204405117U (en) | 2015-02-10 | 2015-02-10 | A kind of coupling resonance wireless environment monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990590A (en) * | 2015-07-28 | 2015-10-21 | 金中朝 | Point-to-point wireless humiture monitoring system |
| CN107809232A (en) * | 2016-09-09 | 2018-03-16 | 盛群半导体股份有限公司 | Inductive switch device and detection method |
| CN108598687A (en) * | 2018-01-16 | 2018-09-28 | 中北大学 | Wireless high temperature sensor and preparation method thereof based on electromagnetism Meta Materials |
-
2015
- 2015-02-10 CN CN201520095321.4U patent/CN204405117U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990590A (en) * | 2015-07-28 | 2015-10-21 | 金中朝 | Point-to-point wireless humiture monitoring system |
| CN107809232A (en) * | 2016-09-09 | 2018-03-16 | 盛群半导体股份有限公司 | Inductive switch device and detection method |
| CN108598687A (en) * | 2018-01-16 | 2018-09-28 | 中北大学 | Wireless high temperature sensor and preparation method thereof based on electromagnetism Meta Materials |
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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: 20150617 Termination date: 20160210 |