CN206270411U - A kind of Micro Energy Lose analyzer based on Internet of Things - Google Patents
A kind of Micro Energy Lose analyzer based on Internet of Things Download PDFInfo
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- CN206270411U CN206270411U CN201621457481.XU CN201621457481U CN206270411U CN 206270411 U CN206270411 U CN 206270411U CN 201621457481 U CN201621457481 U CN 201621457481U CN 206270411 U CN206270411 U CN 206270411U
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Abstract
The utility model discloses a kind of Micro Energy Lose analyzer based on Internet of Things, power consumption analysis are carried out to sensing node in wireless sensor network, including voltage acquisition circuit, current acquisition circuitry, acquisition control module, analogue integrator and the microprocessor powered using independent current source, voltage acquisition circuit, current acquisition circuitry are connected by acquisition control module with microprocessor；The acquisition control module includes synchronous generator, door control clock circuit and the analog-digital converter, amplifier, the wave filter that are sequentially connected, the voltage signal of voltage acquisition circuit collection, the current signal of current acquisition circuitry collection pass sequentially through analog-digital converter and are converted into corresponding data-signal respectively, signal amplification, input microprocessor after filtered device filtering are carried out by amplifier；The amplifier uses any one in multistage amplifier circuit or logarithmic amplifying circuit.The utility model accurately detects the power consumption of tested sensing node.
Description
Technical field
The utility model is related to consumption detection field, is a kind of Micro Energy Lose analyzer based on Internet of Things specifically.
Background technology
With the rise and fast development of Internet of Things, wireless sensor network (Wireless sensor networks,
WSNs embedding assembly technology, remote sensing observation and control technology, wireless communication technology and distributed information processing etc.) are combined many
Individual subject, the dual-use strategic new and high technology of cross development, is the core of technology of Internet of things, is generation information technology
The important impetus of revolution.
Wireless sensor network includes a large amount of, the distributed sensing node laid（Mote）Believe with each sensing node is collected
The background control center of breath, in real time to environment or target monitoring, perceives, gathers relevant information.Sensing node is responsible for sensing and is believed
Breath pretreatment, response monitoring main frame and instruction carry out data transmit-receive, are the elementary cell for constituting wireless sensor network, sensing section
The stable operation of point is the basic guarantee of whole network reliability.Sensing node is provided with the battery of limited operating life
, and battery is difficult replacing, therefore it is more and more prominent to be related to the energy consumption problem of sensor network energy managerial effectiveness.
Utility model content
The purpose of this utility model is to provide a kind of Micro Energy Lose analyzer based on Internet of Things, by the electricity to gathering
Pressure, the multistage of electric current are amplified, filter the accurate detection realized to sensing node energy consumption.
The utility model is achieved through the following technical solutions：A kind of Micro Energy Lose analyzer based on Internet of Things, to wireless biography
Sensing node carries out power consumption analysis in sensor network, including voltage acquisition circuit, current acquisition circuitry, acquisition control module and adopts
The microprocessor powered with independent current source, voltage acquisition circuit, current acquisition circuitry pass through acquisition control module and microprocessor
Connection；The acquisition control module includes the analog-digital converter, amplifier, the wave filter that are sequentially connected, voltage acquisition circuit collection
Voltage signal, the current signal of current acquisition circuitry collection passes sequentially through analog-digital converter and is converted into corresponding data letter respectively
Number, signal amplification, input microprocessor after filtered device filtering are carried out by amplifier；The amplifier uses multistage amplifier circuit
Or in logarithmic amplifying circuit any one.Micro Energy Lose analyzer described in the utility model is with tested sensing node altogether.
The voltage acquisition circuit, the voltage signal for gathering tested sensing node；
The current acquisition circuitry, the current signal for gathering tested sensing node；
The analog-digital converter, for analog-to-digital conversion；
The amplifier, voltage signal or current signal for amplifying collection；
The wave filter, in specific frequency separation, noise jamming is reduced for by signal limiting；
The microprocessor, for data processing and storage.
The microprocessor is powered using independent current source, has no substantial effect on the power consumption of tested sensing node.It is independent
Power supply can both ensure that power supply was supplied by the way of solar panel and battery dual service, and energy saving.
Because the dynamic range of curent change in sensing node work is larger（Only several microamperes of electric current during usual dormancy, instantaneously
Maximum current is up to tens of milliamperes）, single amplifier can not meet measurement request, therefore this practical information amplifies electricity using multistage
In road or logarithmic amplifying circuit any one to obtain voltage signal, current signal is amplified.
In the utility model, the voltage signal of voltage acquisition circuit collection, the current signal point of current acquisition circuitry collection
Analog-digital converter is not passed sequentially through and is converted into corresponding data-signal, signal amplification is carried out by amplifier, after filtered device filtering
Input microprocessor, by microprocessor according to the voltage of instantaneous collection, the instantaneous power consumption of the tested sensing node of Current calculation.It is described
Power consumption is the product of electric current and voltage.
In order to preferably realize the utility model, the acquisition control module also includes connection tested sensing node and Wei Chu
Reason device, realize the synchronous generator of synchro measure for sending synchronizing signal to microprocessor.
Sensing node is worked in low duty ratio mode, and current impulse change is fast, and the duration is short（Typically smaller than 1ms）, survey
During amount instantaneous power, the Micro Energy Lose analyzer of test node sends synchronizing signal and realizes same pacing by synchronous generator
Amount.During due to practical application, sensing node receives or send data to be had sudden, and the utility model is by setting synchronizing signal
Generator is micro- with trigger signal activated in advance Micro Energy Lose analyzer in voltage, the current break of tested sensing node
Processor, the microprocessor of Micro Energy Lose analyzer produces interruption to start capture, realizes consumption detection.
In order to preferably realize the utility model, the acquisition control module is also including being connected with microprocessor, for subtracting
The door control clock circuit of few microprocessor useless power consumption.
In the utility model, by set door control clock circuit can by microprocessor without calculating task when clock stop,
Useless power consumption is reduced, the power consumption of Micro Energy Lose analyzer itself is reduced.
In order to preferably realize the utility model, simulation also including being connected with microprocessor, for calculating average power consumption
Integrator.
In the utility model, the average power consumption of tested sensing node can be calculated by the analogue integrator for setting.
In order to preferably realize the utility model, first order amplifying circuit is differential amplification electricity in the multistage amplifier circuit
Road.
In order to preferably realize the utility model, the multistage amplifier circuit includes first stage amplifier U1, two-stage amplifier
U2, resistance R1, resistance R2, resistance R3, resistance R4, adjustable resistance RG1, adjustable resistance RG2, electric capacity C1, electric capacity C2；The one-level
The V+ pins of amplifier U1 are connect positive source and are grounded by electric capacity C1, and the V- pins of first stage amplifier U1 connect power cathode and lead to
Electric capacity C2 ground connection is crossed, the Vin- pins of first stage amplifier U1, Vin+ pins in parallel resistance R1, resistance R2 simultaneously access signal input
End, serial adjustable resistance RG1 between two RG pins of first stage amplifier U1；The resistance R3, resistance R4 are in parallel, and a termination
It is another to terminate at first stage amplifier U1's between the OUT pins of first stage amplifier U1 and the Vin- pins of two-stage amplifier U2
Between REF pins and the Vin+ pins of two-stage amplifier U2；The V- pins of the two-stage amplifier U2 connect power cathode, and two grades put
The V+ pins of big device U2 connect positive source, serial adjustable resistance RG2 between two RG pins of two-stage amplifier U2, two grades of amplifications
The OUT pins of device U2 connect wave filter to export the signal after amplifying；Described and amplifier U1 REF pins and two-stage amplifier
The REF pins of U2 are altogether.
In order to preferably realize the utility model, the first stage amplifier U1, two-stage amplifier U2 use INA122 cores
Piece.
The factors such as the impedance in view of bandwidth, frequency response and signal source, from INA122 chips, there is relatively low voltage to make an uproar for it
Sound, current noise, drift and frequency band wider, it is adaptable to the amplification of small-signal.
In order to preferably realize the utility model, the filter-incorporated low-pass filter circuit, high-pass filtering circuit, band logical
In filter circuit any one.
In order to preferably realize the utility model, also including being connected with microprocessor, for visualizing display power consumption situation
Display module.
The utility model can show the instantaneous power consumption of acquisition, average power consumption by setting display module, be easy to wireless biography
The visualization of sensor network power consumption data.
In order to preferably realize the utility model, also including being connected with microprocessor, for by single sensing node power consumption
The communication module that data is activation to background control center is collected.
Communication module in the utility model, including for the ZIGBEE communication units of internal communication and user's operation terminal
The GPRS communication units and background control center data communication of the WIFI communication unit of connection and user's operation terminal connection
Ethernet communication unit.
The utility model compared with prior art, with advantages below and beneficial effect：
（1）The utility model carries out multistage and puts by acquisition control module to the small-signal gathered from tested sensing node
Greatly, filter to obtain accurate voltage data, current data, in order to microcontroller according to voltage data, current data
Calculate its power consumption；
（2）The utility model is carried out using the amplifier of multistage amplifier circuit or logarithmic amplifying circuit to tested sensing node
The amplification of weak voltage signals, low current signal, and use wave filter to be filtered to reduce noise to the signal after amplification
And interference；
（3）The utility model sends synchronizing signal to being tested in the MCU of sensing node generations using synchronous generator
Disconnect capture of beginning.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is multistage amplifier circuit schematic diagram in the utility model.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but implementation method of the present utility model is not
It is limited to this.The sensing node of measured power consumption is tested sensing node in wireless sensor network, is tested the control in sensing node
Element processed is MCU.
Embodiment 1：
As shown in figure 1, a kind of Micro Energy Lose analyzer based on Internet of Things described in the present embodiment, to wireless sensor network
Middle sensing node carries out power consumption analysis, including voltage acquisition circuit, current acquisition circuitry, acquisition control module, analogue integrator
With the microprocessor powered using independent current source, voltage acquisition circuit, current acquisition circuitry pass through acquisition control module and Wei Chu
Reason device connection；The acquisition control module includes synchronous generator, door control clock circuit and the analog-to-digital conversion being sequentially connected
Device, amplifier, wave filter, voltage acquisition circuit collection voltage signal, current acquisition circuitry collection current signal respectively according to
It is secondary that corresponding data-signal is converted into by analog-digital converter, signal amplification is carried out by amplifier, it is input into after filtered device filtering
Microprocessor.The amplifier uses any one in multistage amplifier circuit or logarithmic amplifying circuit.
The voltage acquisition circuit, the voltage signal for gathering tested sensing node.
The current acquisition circuitry, the current signal for gathering tested sensing node.
The analog-digital converter, for analog-to-digital conversion.
The amplifier, voltage signal or current signal for amplifying collection.
The wave filter, in specific frequency separation, noise jamming is reduced for by signal limiting.
The microprocessor, for data processing and storage.
The synchronous generator, is connected with microprocessor and tested sensing node, for sending same to microprocessor
Step signal realizes the synchronous generator of synchro measure.
The analogue integrator, is connected with microprocessor, for calculating average power consumption.
The door control clock circuit, is connected with microprocessor, for reducing microprocessor useless power consumption.
Operation principle：
In the utility model, the voltage signal of voltage acquisition circuit collection, the current signal point of current acquisition circuitry collection
Analog-digital converter is not passed sequentially through and is converted into corresponding data-signal, signal amplification is carried out by amplifier, after filtered device filtering
Input microprocessor, by microprocessor according to the voltage of instantaneous collection, the instantaneous power consumption of the tested sensing node of Current calculation, and leads to
Cross the average power consumption that analogue integrator calculates tested sensing node.
Microprocessor, analog-digital converter, amplifier, wave filter, synchronous generator, analog integration in the present embodiment
Device, communication module etc. commercially can be purchased directly, therefore the present embodiment is without disclosing each element internal structure.
Embodiment 2：
Being done on the basis of above-described embodiment for the present embodiment further optimizes, for the micro-signal of tested sensing node
（It is worth less current signal, voltage signal）Multistage amplifier circuit is further improved.As shown in Fig. 2 in the present embodiment
Multistage amplifier circuit be a second amplifying circuit, wherein first order amplifying circuit be differential amplifier circuit.Specifically, described
Multistage amplifier circuit includes first stage amplifier U1, two-stage amplifier U2, resistance R1, resistance R2, resistance R3, resistance R4, adjustable electric
Resistance RG1, adjustable resistance RG2, electric capacity C1, electric capacity C2；The V+ pins of the first stage amplifier U1 connect positive source and by electric capacity
C1 is grounded, and the V- pins of first stage amplifier U1 are connect power cathode and are grounded by electric capacity C2, the Vin- pins of first stage amplifier U1,
Vin+ pins in parallel resistance R1, resistance R2 simultaneously access signal input part, and series connection can between two RG pins of first stage amplifier U1
Adjust resistance RG1；The OUT pins of the first stage amplifier U1 are connected with the Vin- pins of two-stage amplifier U2, first stage amplifier U1
REF pins be connected with the Vin+ pins of two-stage amplifier U2, the OUT pins of first stage amplifier U1 and first stage amplifier U1's
Resistance R3 is connected between REF pins, between the Vin- pins of two-stage amplifier U2 and the Vin+ pins of two-stage amplifier U2
It is connected with resistance R4；The V- pins of the two-stage amplifier U2 connect power cathode, and the V+ pins of two-stage amplifier U2 are connecing power supply just
Pole, serial adjustable resistance RG2 between two RG pins of two-stage amplifier U2, the OUT pins of two-stage amplifier U2 connect wave filter
To export the signal after amplifying；The REF pins of described and amplifier U1 REF pins and two-stage amplifier U2 are altogether.
The first stage amplifier U1, two-stage amplifier U2 use INA122 chips.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
The above, is only preferred embodiment of the present utility model, and any formal limit is not done to the utility model
System, every any simple modification, equivalent variations made to above example according to technical spirit of the present utility model each fall within
Within protection domain of the present utility model.
Claims (10)
1. a kind of Micro Energy Lose analyzer based on Internet of Things, power consumption analysis are carried out to sensing node in wireless sensor network, its
It is characterised by：Including voltage acquisition circuit, current acquisition circuitry, acquisition control module and the microprocessor powered using independent current source
Device, voltage acquisition circuit, current acquisition circuitry are connected by acquisition control module with microprocessor；The acquisition control module bag
Include analog-digital converter, amplifier, the wave filter being sequentially connected, voltage signal, the current acquisition circuitry of voltage acquisition circuit collection
The current signal of collection is converted into corresponding data-signal by analog-digital converter respectively, and signal amplification is carried out by amplifier, warp
Input microprocessor after filter filtering；The amplifier uses any one in multistage amplifier circuit or logarithmic amplifying circuit.
2. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 1, it is characterised in that：The acquisition control
Module also include the tested sensing node of connection and microprocessor, realize synchro measure for sending synchronizing signal to microprocessor
Synchronous generator.
3. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 1, it is characterised in that：The acquisition control
Module with microprocessor also including being connected, the door control clock circuit for reducing microprocessor useless power consumption.
4. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 1, it is characterised in that：Also include and micro- place
The connection of reason device, the analogue integrator for calculating average power consumption.
5. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim any one of 1-4, it is characterised in that：It is described
First order amplifying circuit is differential amplifier circuit in multistage amplifier circuit.
6. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim any one of 1-4, it is characterised in that：It is described
Multistage amplifier circuit includes first stage amplifier U1, two-stage amplifier U2, resistance R1, resistance R2, resistance R3, resistance R4, adjustable electric
Resistance RG1, adjustable resistance RG2, electric capacity C1, electric capacity C2；The V+ pins of the first stage amplifier U1 connect positive source and by electric capacity
C1 is grounded, and the V- pins of first stage amplifier U1 are connect power cathode and are grounded by electric capacity C2, the Vin- pins of first stage amplifier U1,
Vin+ pins in parallel resistance R1, resistance R2 simultaneously access signal input part, and series connection can between two RG pins of first stage amplifier U1
Adjust resistance RG1；The resistance R3, resistance R4 are in parallel, and an end is connected on the OUT pins and two-stage amplifier U2 of first stage amplifier U1
Vin- pins between, between another REF pins for terminating at first stage amplifier U1 and the Vin+ pins of two-stage amplifier U2；Institute
The V- pins for stating two-stage amplifier U2 connect power cathode, and the V+ pins of two-stage amplifier U2 connect positive source, two-stage amplifier U2
Two RG pins between serial adjustable resistance RG2, the OUT pins of two-stage amplifier U2 connect wave filter to export the letter after amplifying
Number；And the amplifier U1 REF pins and two-stage amplifier U2 REF pins altogether.
7. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 6, it is characterised in that：The one-level is amplified
Device U1, two-stage amplifier U2 use INA122 chips.
8. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 1, it is characterised in that：In the wave filter
Set low any one in bandpass filter circuit, high-pass filtering circuit, bandwidth-limited circuit.
9. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 1, it is characterised in that：Also include and micro- place
The connection of reason device, the display module for visualizing display power consumption situation.
10. a kind of Micro Energy Lose analyzer based on Internet of Things according to claim 1, it is characterised in that：Also include with it is micro-
Processor connection, for single sensing node power consumption data to be sent into the communication module collected to background control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457481.XU CN206270411U (en) | 2016-12-28 | 2016-12-28 | A kind of Micro Energy Lose analyzer based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457481.XU CN206270411U (en) | 2016-12-28 | 2016-12-28 | A kind of Micro Energy Lose analyzer based on Internet of Things |
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| Publication Number | Publication Date |
|---|---|
| CN206270411U true CN206270411U (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621457481.XU Expired - Fee Related CN206270411U (en) | 2016-12-28 | 2016-12-28 | A kind of Micro Energy Lose analyzer based on Internet of Things |
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| CN (1) | CN206270411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007406A (en) * | 2019-12-09 | 2020-04-14 | 烽火通信科技股份有限公司 | Internet of things node power consumption statistical learning device and method |
-
2016
- 2016-12-28 CN CN201621457481.XU patent/CN206270411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007406A (en) * | 2019-12-09 | 2020-04-14 | 烽火通信科技股份有限公司 | Internet of things node power consumption statistical learning device and method |
| CN111007406B (en) * | 2019-12-09 | 2022-03-25 | 烽火通信科技股份有限公司 | Internet of things node power consumption statistical learning method |
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| 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: 20170620 Termination date: 20191228 |