CN108648430A - A kind of hyperfrequency take can and communication sensing device - Google Patents
A kind of hyperfrequency take can and communication sensing device Download PDFInfo
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- CN108648430A CN108648430A CN201810447284.7A CN201810447284A CN108648430A CN 108648430 A CN108648430 A CN 108648430A CN 201810447284 A CN201810447284 A CN 201810447284A CN 108648430 A CN108648430 A CN 108648430A
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- 238000004891 communication Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000008054 signal transmission Effects 0.000 claims abstract description 3
- 238000007689 inspection Methods 0.000 claims description 15
- 238000004146 energy storage Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 13
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000000295 complement effect Effects 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- H02J7/025—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Abstract
The present invention relates to a kind of hyperfrequencies to take and can and communicate sensing device, including taking energy unit, for coupling and obtaining radio frequency energy；Supply unit for storing the energy acquired in taking energy unit, and carries out steady pressure treatment, and provides energy to sensing unit, radio frequency unit, control unit；Sensing unit, for acquiring sensing data；Radio frequency unit, for passing through radio signal transmission sensing data and control signal；Control unit, acquisition and upload for controlling sensing data.The present invention passes through to wirelessly taking energy technology, low-power consumption sensing control technology, Radio Frequency Identification Technology to carry out innovative fusion, it is proposed a kind of safe and reliable, passive no-repair, flexibly expansible, the wireless hyperfrequency easily disposed take can and communication sensing device, the sensing device can be identified by UHF handheld radio frequency reader and be read, such discrete sensing data is imported into distributed system network afterwards, data complement is formed with distributed intelligence sensing network, realizes that electric power network monitoring and warning is intelligent.
Description
Technical field
The present invention relates to sensor fields, and in particular to a kind of hyperfrequency take can and communication sensing device.
Background technology
Typically, what traditional distributed sensing and monitoring system scheme often solved is the high sensing of scale, concentration degree
Monitoring problem, it is required that application scenarios have largely concomitant or reproducibility.However, defeated in energy such as electric power networks
Dispatching field, such as GIS bus pipes deformation monitoring, water level flood monitoring, transformer equipment monitoring temperature rise of contact, or usually in outdoor ring
Border is run or dispersed distribution is presented for collection point or device category is various, and sensor monitoring, which will encounter, to be connected up, can not set up biography
The problems such as feeling network.When solving the problems, such as the sensor monitoring of this kind of equipment, the sensing network of distributed scale is in networking complexity
Property, networking cost etc. face huge challenge, be not suitable for solving some distributed device senses monitoring problems.
From safety considerations, the conventional active sensor harvester of tradition can be attached to battery, ensure power equipment
Safe and stable, insulation operation is that the core of power industry is deeply concerned, and new danger will be undoubtedly introduced from the active scheme of charged pool
Source.And passive and wireless takes energy technology that be able to solve the problems, such as the energy supply of distributed sensor, and can effectively exempt from battery altering institute
The maintenance work brought and cost problem improve practicability, maintainability and the replicability of detecting system.
At the same time, according to existing passive solution, although on piece passive and wireless single-chip sensing solution tool
Have the advantages that small, but sensor resource is single, and application scenario is easily restricted, with the expansion of intelligent grid scale, electric power
Grid equipment present diversified development trend, monolithic sense solution in terms of adaptability advantage not as good as modularization sensing side
Case.
In conclusion existing active sensor harvester can be attached to battery, ensure power equipment it is safe and stable,
Insulation operation is that the core of power industry is deeply concerned, and new danger source will be undoubtedly introduced from the active scheme of charged pool；And it is existing
Passive sensing harvester, although on piece passive and wireless single-chip sensing solution has the advantages that small, sensor
Resource is single, and application scenario is easily restricted, and with the expansion of intelligent grid scale, electric power network equipment is presented diversified development and becomes
Gesture, monolithic sense solution in terms of adaptability advantage not as good as modularization sensing solutions.
Invention content
In order to solve the problems in the prior art, the present invention propose a kind of hyperfrequency take can and communication sensing device, packet
Taking energy unit is included, for coupling and obtaining radio frequency energy；Supply unit, for storing the energy acquired in taking energy unit,
And steady pressure treatment is carried out, and provide energy to sensing unit, radio frequency unit, control unit；Sensing unit, for acquiring sensing number
According to；Radio frequency unit, for passing through radio signal transmission sensing data and control signal；Control unit, for controlling sensing number
According to acquisition and upload.
In the device, the taking energy unit is half-wave dipole antenna, and including two groups of antenna arms, each antenna arm is
Quarter-wave.
In the device, the supply unit further comprises voltage multiplying rectifier conversion subunit, for the taking energy unit
The energy of acquisition carries out rectification；Energy stores subelement, the energy for storing the voltage multiplying rectifier converting unit output；Inspection pressure
Voltage stabilizing subelement, for monitoring after the energy stored in the energy storage units meets or exceeds predetermined threshold, output is steady
Fixed energy.
In the device, the inspection pressure voltage regulation unit further comprises voltage controller, for detecting the energy stores list
Whether the accumulation of energy value of member meets or exceeds predetermined threshold；Three-terminal voltage-stabilizing pipe, for after accumulation of energy value meets or exceeds predetermined threshold,
Export stable energy.
In the device, for the radio frequency unit for receiving control signal, wake-up described control unit is single to control sensing
Member obtains sensing data, and to the sensing data acquired in upper layer transport.
In the device, described control unit is in suspend mode shape before the wake-up control signal for receiving the radio frequency unit
State.
Can and method for sensing be communicated the invention also provides a kind of hyperfrequency takes, for passing through hyperfrequency in sensing device
Radio frequency signal acquisition energy, and sensing data is acquired, including super high frequency radio frequency signal is received, and obtain in super high frequency radio frequency signal
Energy；The acquired energy of storage provides energy to sensing device；During providing energy to sensing device, needed for acquisition
Sensing data, and sensing data is transferred to external radio frequency reading device.
Further include after the energy of storage meets or exceeds predetermined threshold, starting to provide energy to sensing device in this method
Amount.
Further include that before providing energy to sensing device, each unit in sensing device is in suspend mode shape in this method
State, according to the control signal of external radio frequency reading device, starts the acquisition of sensing data after providing energy to sensing device.
Further include in this method, after the completion of sensing data acquisition, after the sensing data is calibrated and is filtered, then
It is transferred to external radio frequency reading device.
The present invention to wirelessly taking energy technology, low-power consumption sensing control technology, Radio Frequency Identification Technology to carry out novelty by melting
It closes, a kind of safe and reliable, passive no-repair of proposition, flexibly expansible, the wireless hyperfrequency easily disposed takes and can and communicate sensing dress
Set, which can be identified by UHF handheld radio frequency reader and read, after such discrete sensing data imported be distributed
Formula grid forms data complement with distributed intelligence sensing network, realizes that electric power network monitoring and warning is intelligent.
Other features and advantages of the present invention are by specific steps and knot pointed in subsequent specification and attached drawing
Structure further specifically illustrates.
Description of the drawings
Attached drawing in this specification technology contents for explaining the present invention together with following specific implementation mode.
Fig. 1 shows that the hyperfrequency in exemplary embodiment of the present takes and can and communicate sensing device composite structural diagram；
Fig. 2 shows take energy antenna arm and the electrical principle of voltage multiplying rectifier converting unit in exemplary embodiment of the present
Figure；
Fig. 3 shows the electrical schematic diagram of the inspection pressure voltage regulation unit in exemplary embodiment of the present；
Fig. 4 show the hyperfrequency handheld reader in exemplary embodiment of the present and the energy supply between sensing device and
Communicate timing diagram；
Fig. 5 shows the detailed control flowchart of the microcontroller storage unit in exemplary embodiment of the present.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, but it is to be understood that, the present invention
Protection domain be not restricted by specific implementation.
As described in Figure 1, hyperfrequency proposed by the invention takes energy and communication sensing device to take energy antenna arm one including 11/12
11, taking can antenna arm 2 12, voltage multiplying rectifier converting unit 13, energy storage unit 14, inspection pressure voltage regulation unit 15, microcontroller storage
Unit 16, radio frequency identification unit 17, power equipment parameter sensing unit 18.
Wherein, it takes energy antenna arm 1, energy antenna arm 2 12 is taken to be connected with the voltage multiplying rectifier converting unit 13, it is described
It is the whole half-wave dipole antenna that the wavelength of λ/4 is formed to take energy antenna arm 1 and take energy antenna arm 2 12, for coupled RF
Signal, to obtain radio frequency energy.
One end of the voltage multiplying rectifier converting unit 13 with take can antenna arm 1 and take energy antenna arm 2 12 connect, it is another
End is connect with the energy storage unit 14.The progress of microwave Schottky diode may be used in the voltage multiplying rectifier converting unit 13
Wave is cut in detection, and carries out rectification by capacitance, and DC power supply is exported to energy storage unit 14, to be supplied to provide electric energy
It answers.
Super capacitor may be used in the energy storage unit 14, since its is small, capacity is big, charging rate is fast, fills
The features such as discharge time is more, energy conversion rate is high can provide quick response for the work of power equipment parameter sensing unit 18
Time and sufficient acquisition time window.
15 one end of the inspection pressure voltage regulation unit is connect with energy storage unit 14, the other end and 16 phase of microcontroller storage unit
Connection.The inspection pressure voltage regulation unit 15 includes voltage monitor, three-terminal voltage-stabilizing pipe, N-MOS pipes, wherein the voltage monitor
For monitoring whether super capacitor storage voltage meets or exceeds predetermined power supply threshold values, the three-terminal voltage-stabilizing pipe is used to be sensor
System provides stable power-supplying voltage and a reference source, high-precision to enable the power equipment parameter sensing unit 18 to realize
Signal acquisition.
The microcontroller storage unit 16 is joined with inspection pressure voltage regulation unit 15, radio frequency identification unit 17 and power equipment
Number sensing unit 18 connects, and data are uploaded for control system power consumption, parameter sensing acquisition, radio frequency identification.Wherein, the inspection pressure
Voltage regulation unit 15 is that the microcontroller storage unit 16 provides electric energy.The microcontroller storage unit 16 is provided including multiple interfaces
Source, such as GPIO, SPI, IIC etc., and there is extremely low power consumption, and can IIC be passed through by the radio frequency identification unit 17
Interface triggering, which is interrupted, to be waken up.
The radio frequency identification unit 17 is connect with the microcontroller storage unit 16, single for triggering the microcontroller storage
Member 16, which is interrupted, opens collecting work, and the parameter sensing that power equipment parameter sensing unit 18 is acquired is sent to upper layer.It is described
In radio frequency identification unit 17, the RF identification chip for supporting IIC interfaces may be used, and support EPC Global Gen2 agreements
UCODE IIC schemes, wherein the UCODE IIC after receiving ultra-high frequency signal can pass through IIC interfaces triggering wake up
The microcontroller storage unit 16 makes system exit low-power consumption mode and starts to control the power equipment parameter sensing unit 18
Carry out data acquisition.
The power equipment parameter sensing unit 18 is connect with microcontroller storage unit control 16, for described micro-
Acquisition power equipment parameter sensing under the control of storage unit control 16 is controlled, displacement, water logging, temperature can be but not limited to
All kinds of low-power consumption sensors such as degree, warm and humid.Power equipment parameter sensing unit 18 described in the microcontroller storage unit 16 can be with
It is attached by the reserved serial ports such as elastic press type AD sample ports and IIC, SPI.
Fig. 2 is to take energy antenna arm 1, take energy antenna arm 2 12 and the electrical principle of voltage multiplying rectifier converting unit 13
Figure, it is described to take energy antenna arm 1 and energy antenna arm 2 12 is taken to constitute two-arm antenna, with 13 phase of voltage multiplying rectifier converting unit
Even, according to wavelength equation λ=c/f, it is about 8cm that antenna single armed λ/4, which take length, and width 0.5mm is set using sinusoidal waveform
Meter ultimately forms whole half-wave dipole antenna to reduce antenna occupied space, by PCB printed circuits paving copper.This antenna scheme energy
It is enough to couple hyperfrequency 900MHz radiofrequency signals well.
The voltage multiplying rectifier converting unit 13 includes double microwave Schottky wave detectors 133,134 and capacitance 131,132, institute
It includes super capacitor to state power storaging unit 14.HSMS2852 may be used in double microwave Schottky wave detectors, to super
High frequency 900MHz signal demodulators have high detection sensitivity characteristic.Carry out self-energizing antenna arm 1 and takes the radio frequency of energy antenna arm 2 12
Coupled signal cuts the rectification of wave and capacitance 132 by double microwave Schottky wave detectors 133,134, at 133 and 132 termination
Positive voltage direct current signal is exported, negative voltage direct current signal is exported at 134 and 132 termination, and to the energy storage unit
Super capacitor in 14 carries out charging storage, and the data acquisition of energy and communication sensing device after the power is turned on is taken for the hyperfrequency of the present invention
Grace time window is provided.
Fig. 3 is the electrical schematic diagram that voltage regulation unit 15 is pressed in the inspection, including voltage monitor 153, three terminal regulator
155, N-MOS pipes 154, triode 151 and 152, capacitance 156-158.Wherein, wherein voltage monitor 153 monitors power storage
Whether the voltage of unit 14 meets or exceeds the monitoring threshold values of 2.6V, and the input voltage of three terminal regulator 155 is made to work in system
Overall process is consistently higher than its output voltage, and ensures output voltage continually and steadily in 2.5V, so as to provide high stability electricity
Source, to realize the high precision acquisition of parameter sensing.After the voltage of energy storage unit 14 meets system operation requirements, electricity
Monitor 153 is pressed to trigger the conducting of N-MOS pipes 154 so that inspection pressure voltage regulation unit 15 starts to provide stable dc power supply to the back-end,
The hyperfrequency of the present invention, which takes, can and communicate sensing device completion power up.Wherein, the model of the voltage monitor can be
MAX6427MT, three terminal regulator model can be PT5110.The hyperfrequency of the present invention takes and communicate and be adopted in sensing device
Component can switch between suspend mode or working condition controllable or defaultly, to realize in suspend mode, various components
All have extremely low power consumption.
Also, for the sensors A D sampling precision problems in power equipment parameter sensing unit 18, the power equipment
Parameter sensing unit 18 can be provided power supply supply by the GPIO interface of the microcontroller storage unit 16, on the one hand the method utilizes
16 inner linear regulated power supply of microcontroller storage unit is that power equipment parameter sensing unit 18 provides more stable power supply electricity
Source；On the other hand so that power supply is sampled with AD and use same voltage reference, effectively improve sensor acquisition precision.
Method for sensing, when needing to read sensing data, superelevation can and be communicated the invention also provides a kind of hyperfrequency takes
Frequency hand held readers take to hyperfrequency of the present invention can and communicate sensing device transmitting super high frequency radio frequency signal, described to take
Can antenna arm 1 and take can 2 12 pairs of super high frequency radio frequency signals of antenna arm carry out coupling absorption, obtain energy, described times of repoussage
Stream-converting unit 13 carries out voltage multiplying rectifier to the energy that antenna receives, direct current is converted, and electric energy is transmitted to power storage list
Member 14, the inspection press voltage regulation unit 15 to be monitored the voltage in energy storage unit 14, when monitoring energy storage unit
When 14 voltage meets or exceeds reservation threshold, the voltage monitor 153 in the inspection pressure voltage regulation unit 15 controls N-MOS154
Conducting so that hyperfrequency of the invention, which takes, can and communicate sensing device completion power up.The microcontroller storage unit 16 this
When receive IIC interruptions, and start the power equipment parameter sensing unit 18 and acquire sensing data.The microcontroller storage is single
The collected sensing data of 16 pairs of member carries out software filtering integration, storage, and passes through radio frequency by the radio frequency identification unit 17
It communicates and is sent to UHF handheld reader, be finally completed the gatherer process of entire parameter sensing.
Fig. 4 shows that hyperfrequency handheld reader takes the energy supply that can and communicate between sensing device with the hyperfrequency of the present invention
And communication sequential relationship, Fig. 5 show the detailed control flow of microcontroller storage unit 16.
Wherein, 21 for hyperfrequency handheld reader transmitting control sequential, 22 be microcontroller storage unit 16 control when
Sequence, 23 be the charging process of energy storage unit 14, and 24 be the power supply electrical level that inspection pressure voltage regulation unit 15 exports.
The hyperfrequency handheld reader uses CW continuous carrier power supply modes so that energy storage unit 14 is rapidly completed
Charging.Charged amount is in agreement communication range and is enough to make the hyperfrequency of the present invention that energy and communication sensing device be taken to power in the time
And complete the acquisition of sensing data.
Can and sensing device be communicated when the hyperfrequency of the present invention takes after the power is turned on, and the hyperfrequency handheld reader is known to radio frequency
UCODE IIC in other unit 17 initiate IIC and interrupt, microcontroller storage unit 16 described in IIC down triggers, and control electric power and set
Standby parameter sensing unit 18 starts to acquire sensing data and store (in the memory block of UCODE IIC), and handheld reader waits for one
Read transducer parameter after the section time.
Fig. 5 shows the low-power consumption treatment method of the microcontroller storage unit 16.The hyperfrequency of the present invention, which takes, can and lead to
Believe sensing device after the power is turned on, the 16 microcontroller storage unit is first turned on itself low-speed clock and closing high-speed clock, in turn
Opens interrupters wait for, and the IIC down triggers of the radio frequency identification unit 17 are waited for minimum power consumption.
The radio frequency identification unit 17 is using the UCODE IIC schemes for supporting EPC Global Gen2 agreements, UCODE
IIC can be triggered by IIC interfaces after receiving ultra-high frequency signal and be waken up the microcontroller storage unit 16, and system is made to exit
Low-power consumption mode simultaneously starts to control the progress of the power equipment parameter sensing unit 18 data acquisition.
When the power equipment parameter sensing unit 18 acquire sensing data after the completion of, the microcontroller storage unit 16 into
Row data calibration and filtering, and the UCODE IIC of the radio frequency identification unit 17 are written, so that hyperfrequency handheld reader
Accurate sensing data can be read.
Also, the power equipment parameter sensing unit 18 can be carried by the GPIO interface in the microcontroller storage unit 16
Power supply source supplies, and it is power equipment parameter sensing unit 18 on the one hand to utilize 16 inner linear regulated power supply of microcontroller storage unit
More stable power supply is provided, so that power supply is sampled with AD and uses same voltage reference, effectively improve biography
The acquisition precision of induction device.
Specific implementation mode described above is only schematical, wherein the unit illustrated as separating component
It may or may not be physically separated, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the object of the present invention.Those of ordinary skill in the art are not paying performing creative labour
In the case of, you can to understand and implement.
Description above is merely illustrative of the technical solution of the present invention and uses feature, although this specification is with reference to above-mentioned tool
Body embodiment is to present invention has been detailed description, still, it will be understood by those of ordinary skill in the art that, still may be used
To modify to the present invention or equivalent replacement；And all do not depart from the technical solution of the spirit and scope of the present invention and its change
Into should all cover in scope of the presently claimed invention.
Claims (10)
1. a kind of hyperfrequency, which takes, can and communicate sensing device, which is characterized in that including：
Taking energy unit, for coupling and obtaining radio frequency energy；
Supply unit for storing the energy acquired in taking energy unit, and carries out steady pressure treatment, and to sensing unit, radio frequency list
Member, control unit provide energy；
Sensing unit, for acquiring sensing data；
Radio frequency unit, for passing through radio signal transmission sensing data and control signal；
Control unit, acquisition and upload for controlling sensing data.
2. hyperfrequency according to claim 1, which takes, can and communicate sensing device, which is characterized in that the taking energy unit is half
Wave dipole antenna, including two groups of antenna arms, each antenna arm is quarter-wave.
3. hyperfrequency according to claim 1 take can and communication sensing device, which is characterized in that the supply unit is into one
Step includes：
Voltage multiplying rectifier conversion subunit, the energy for being obtained to the taking energy unit carry out rectification；
Energy stores subelement, the energy for storing the voltage multiplying rectifier converting unit output；
Inspection pressure voltage stabilizing subelement, predetermined threshold is met or exceeded for monitoring the energy stored in the energy storage units
Afterwards, stable energy is exported.
4. hyperfrequency according to claim 3, which takes, can and communicate sensing device, which is characterized in that voltage regulation unit is pressed in the inspection
Further comprise：
Whether voltage controller, the accumulation of energy value for detecting the energy storage units meet or exceed predetermined threshold；
Three-terminal voltage-stabilizing pipe, for after accumulation of energy value meets or exceeds predetermined threshold, exporting stable energy.
5. hyperfrequency according to claim 1, which takes, can and communicate sensing device, which is characterized in that the radio frequency unit is used for
Control signal is received, described control unit is waken up, obtains sensing data to control sensing unit, and obtained to upper layer transport
The sensing data taken.
6. hyperfrequency according to claim 1, which takes, can and communicate sensing device, which is characterized in that described control unit is connecing
Before the wake-up control signal for receiving the radio frequency unit, in a dormant state.
7. a kind of hyperfrequency, which takes, can and communicate method for sensing, for passing through super high frequency radio frequency signal acquisition energy in sensing device
Amount, and acquire sensing data, which is characterized in that including：
Super high frequency radio frequency signal is received, and obtains the energy in super high frequency radio frequency signal；
The acquired energy of storage provides energy to sensing device；
During providing energy to sensing device, required sensing data is acquired, and sensing data is transferred to external radio frequency and is read
Read apparatus.
8. hyperfrequency according to claim 8, which takes, can and communicate method for sensing, it is characterised in that further include, when the energy of storage
After amount meets or exceeds predetermined threshold, start to provide energy to sensing device.
9. hyperfrequency according to claim 8, which takes, can and communicate method for sensing, it is characterised in that further include being filled to sensing
Set provide energy before, each unit in sensing device in a dormant state, to sensing device provide energy after, according to outside
The control signal of radio frequency reading device, starts the acquisition of sensing data.
10. hyperfrequency according to claim 8, which takes, can and communicate method for sensing, it is characterised in that further include, when sensing number
After the completion of acquisition, after the sensing data is calibrated and filtered, then it is transferred to external radio frequency reading device.
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| CN201810447284.7A CN108648430A (en) | 2018-05-11 | 2018-05-11 | A kind of hyperfrequency take can and communication sensing device |
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| CN112271832A (en) * | 2020-09-27 | 2021-01-26 | 北京智芯微电子科技有限公司 | Power supply device, power equipment sensor and power system |
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Application publication date: 20181012 |