CN109030773A - A kind of soil testing assemblies applied to smart city, system and method - Google Patents
A kind of soil testing assemblies applied to smart city, system and method Download PDFInfo
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- CN109030773A CN109030773A CN201810687277.4A CN201810687277A CN109030773A CN 109030773 A CN109030773 A CN 109030773A CN 201810687277 A CN201810687277 A CN 201810687277A CN 109030773 A CN109030773 A CN 109030773A
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- 239000002689 soil Substances 0.000 title claims abstract description 158
- 230000000712 assembly Effects 0.000 title claims abstract description 49
- 238000000429 assembly Methods 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 13
- 230000005670 electromagnetic radiation Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
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Abstract
The present invention relates to a kind of soil testing assemblies applied to smart city, system and method.The device includes unmanned plane and the radio antenna being mounted on the unmanned plane, wireless signal transceiver module, navigation module, soil moisture content detection module and control module；Radio antenna realizes sending and receiving for information for connecting ground control cabinet；Wireless signal transceiver module connects the radio antenna, and for that will receive, signal will be transmitted to control module and antenna is sent by wireless communication by location information, water content data；Navigation module connects the wireless signal transceiver module, for obtaining location information；Soil moisture content detection module connects the wireless signal transceiver module, for obtaining water content data；Control module connects the wireless signal transceiver module and the navigation module, flies for controlling unmanned plane by planning air route information.The present invention can greatly improve Soil K+adsorption efficiency, and extend detectable range.
Description
Technical field
The present invention relates to intelligent Soil K+adsorption technical field, specifically a kind of Soil K+adsorption applied to smart city
Device, system and method.
Background technique
Build smart city, it is therefore an objective to realize the digitlization, informationization, intelligence of urban inner.But smart city is
It establishes on the basis of soil, becomes the premise of construction smart city to the detection of soil information.
The planning construction in any city all can't do without the detection to soil, and the construction of smart city is even more to rely on to different soil
The utilization of earth.Traditional Soil K+adsorption is that staff extracts soil sample, takes back laboratory, utilize corresponding detection device
It is tested.Existing scheme needs to determine the soil locations of detection in advance, and then staff extracts soil-like to designated position
This, is taken back laboratory, is tested using corresponding detection device.Under this scheme, it is constrained to artificial extraction process first,
Detection efficiency is very low.And it is limited to landform limitation, can not accomplish that the soil of anywhere all detects.
Summary of the invention
Aiming at the defects existing in the prior art, the technical problem to be solved in the present invention is to provide a kind of applications
Soil testing assemblies, system and method in smart city.
Present invention technical solution used for the above purpose is: a kind of Soil K+adsorption dress applied to smart city
It sets, including unmanned plane and the radio antenna being mounted on the unmanned plane, wireless signal transceiver module, navigation module, soil
Earth water content detection module and control module；
The radio antenna realizes sending and receiving for information for connecting ground control cabinet；
The wireless signal transceiver module connects the radio antenna, is transmitted to control module simultaneously for that will receive signal
By location information, water content data, antenna is sent by wireless communication；
The navigation module connects the wireless signal transceiver module, for obtaining location information；
The soil moisture content detection module connects the wireless signal transceiver module, for obtaining water content data；
The control module connects the wireless signal transceiver module and the navigation module, for controlling unmanned plane by rule
Air route information is drawn to fly.
The unmanned plane uses multi-rotor unmanned aerial vehicle.
The soil moisture content detection module include signal generating plate, electromagnetic wave dual-mode antenna,
The signal generating plate is for generating electromagnetic wave；
The electromagnetic wave dual-mode antenna connects the signal generating plate, the electromagnetic wave for generating the signal generating plate
It is emitted to surface soil and receives soil reflection electromagnetic wave；
The signal-processing board connects the electromagnetic wave dual-mode antenna, for converting electromagnetic waves into digital signal
The CPU board connects the signal-processing board, for calculating water content data and connecting radio receiving transmitting module.
The CPU board is used to calculate the water content data of soil:
Wherein, θ is soil moisture content；EC is soil conductivity；ρdFor dry density of soil；ρwFor water density；A, b is native
Demarcate constant；
Conductivity is calculated by following formula:
Wherein, EC is soil conductivity；ε0For permittivity of vacuum；C is the light velocity；KwFor the dielectric constant of water；L is probe
It is inserted into the length of soil；V0For the transformed initial voltage of electromagnetic wave time domain；VTFor the transformed crest voltage of electromagnetic wave time domain；
VfFor the transformed final voltage of electromagnetic wave time domain.
A kind of soil detection system applied to smart city is controlled including the soil testing assemblies, probe and ground
Platform processed；The probe-loading is on the unmanned plane in the soil testing assemblies, and the unmanned plane is after landing by the probe
It is inserted into soil, the bottom surface console and the soil testing assemblies are wirelessly connected, for sending route planning information
Extremely in the soil testing assemblies, and the location information of the soil testing assemblies is received, stores the water content data.
A kind of Soil K+adsorption method applied to smart city, comprising the following steps:
Step 1: starting ground control cabinet；
Step 2: carrying out to detect the routeing of soil on ground control cabinet；
Step 3: starting soil testing assemblies, obtain the routeing information of ground control cabinet；
Step 4: soil testing assemblies judge whether to complete the detection of all way points；If completing, unmanned plane is returned
Beginning position terminates detection；If not completing, the 5th step is gone to；
Step 5: soil testing assemblies flight inserts a probe into soil to next way point；
Step 6: soil testing assemblies emit electromagnetic wave to soil；
Step 7:；Soil testing assemblies receive the electromagnetic wave of soil reflection；
Step 8:；The water content of soil testing assemblies calculating soil；
Step 9: soil testing assemblies obtain current location information, and probe is extracted into soil；
Step 10: location information and soil moisture content are sent to ground control cabinet by soil testing assemblies；
Step 11: ground control cabinet receives the location information and soil moisture content information that soil testing assemblies are sent, and
It stores in database, then goes to the 4th step.
The soil testing assemblies calculate the water content of soil, specifically:
Wherein, θ is soil moisture content；EC is soil conductivity；ρdFor dry density of soil；ρwFor water density；A, b is native
Demarcate constant；
Conductivity is calculated by following formula:
Wherein, EC is soil conductivity；ε0For permittivity of vacuum；C is the light velocity；KwFor the dielectric constant of water；L is probe
It is inserted into the length of soil；V0For the transformed initial voltage of electromagnetic wave time domain；VTFor the transformed crest voltage of electromagnetic wave time domain；
VfFor the transformed final voltage of electromagnetic wave time domain.
The present invention has the following advantages and beneficial effects:
1, the present invention can greatly improve Soil K+adsorption efficiency, and extend detectable range.
2, detection efficiency of the invention is high, and full-automatic acquisition of information substitutes artificial detection.
3, the present invention is limited small by landform, extends detection range using unmanned plane as detection carrier.
Detailed description of the invention
Fig. 1 is the overall structure figure of soil testing assemblies of the invention；
Fig. 2 is the circuit diagram of soil moisture content detection module of the invention；
Fig. 3 is the circuit diagram of control module of the invention；
Fig. 4 is the circuit diagram of digital processing plate of the invention；
Fig. 5 is the circuit diagram of CPU board of the invention；
Fig. 6 is the structure chart of soil detection system of the invention；
Fig. 7 is the state diagram of the present invention when detecting；
Fig. 8 is the transformed curve of electromagnetic wave time domain of the invention；
Fig. 9 is the flow chart of Soil K+adsorption method of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of soil testing assemblies applied to smart city, comprising:
Unmanned plane 1 realizes flight and charging appliance, selects quadrotor drone in the embodiment of the present invention；
Radio antenna 2 realizes sending and receiving for information；
Wireless signal transceiver module 3, signal will be received by, which realizing, is transmitted to control module 6, and the position that navigation module 4 is obtained is believed
Breath and soil moisture content detection module 5 to water content data antenna 3 is sent to ground control cabinet by wireless communication；
Navigation module 4 realizes the acquisition to location information, and is transmitted to wireless signal transceiver module 3 and control module 6；
Soil moisture content detection module 5, soil sends electromagnetic wave to the ground, and receives reflection signal, and processing obtains soil
Water content data are transmitted to wireless signal transceiver module 3 by water content data；
Control module 6 receives the position letter of routeing information and navigation module 4 that wireless signal transceiver module 3 obtains
Breath calculates flight attitude and speed, and control unmanned plane 1 flies by planning air route information, and realizes and hover on way point.
As shown in Fig. 2, reflection of electromagnetic wave of the soil moisture content detection module 5 using reflection method for measuring soil, and then calculate
The water content of soil.Entire module includes:
Signal generating plate 7, for generating electromagnetic wave；
Electromagnetic wave dual-mode antenna 8, the electromagnetic radiation for generating signal generating plate 7 receive anti-to surface soil
The electromagnetic wave penetrated；
Digital processing plate 9 is handled as digital signal, obtains corresponding S parameter for acquiring electromagnetic wave frequency conversion；
CPU board 10 obtains the water content data of soil, and be passed along wireless signal transmitting-receiving mould for calculating S parameter
Block.
As shown in figure 3, control module includes ARM and IMU.Navigation module sends navigation data to control by spi bus
The ARM of module.IMU is Inertial Navigation Unit, for incuding the posture of unmanned plane；Data are transmitted to by it by RS232 bus
ARM.ARM calculates target navigation data, Present navigation data and current UAV Attitude data, obtains unmanned plane rotor motor
Signal is controlled, and control signal is passed into rotor motor in the form of PMW.
As shown in figure 4, digital processing plate includes amplifier, frequency mixer, A/D converter and FPGA.The reflection of electromagnetic wave is believed
Number, it is returned by probe, and reach digital processing plate.After the amplifier of digital processing plate amplifies reflection of electromagnetic wave signal
Pass to frequency mixer.Reflection of electromagnetic wave signal down coversion is obtained intermediate-freuqncy signal by frequency mixer, passes to A/D sampler.A/D is adopted
Sample device obtains digital signal, and pass to fpga chip for after if signal sampling.Digital signal is carried out IQ points by fpga chip
Solution, obtains S parameter, and pass to CPU board.
As shown in figure 5, CPU board is realized by ARM.It is anti-that the ARM chip of CPU board obtains the electromagnetic wave that digital processing plate transmits
Signal S parameter is penetrated, obtains the water content of soil using formula (1), (2).And pass the result to wireless signal transceiver module.
As shown in fig. 6, with unmanned plane 1 being carrier based on the soil testing assemblies of unmanned plane, the road of ground control cabinet 2 is received
Diameter planning information is being flown to after planning way point, and probe 14 is inserted into concurrent radio magnetic wave in surface soil 13, receives reflection
Electromagnetic wave is calculated the water content information of soil using bounce technique, then passes through current location information and soil moisture content information
Radio antenna 2 is transmitted to ground control cabinet 12.
Ground control cabinet 12 realizes the planning to detection path, and planning information is transmitted to the inspection of the soil based on unmanned plane 1
Survey device；It realizes the reception to location information and soil moisture content information, and data is stored in database.
The method that detailed description below calculates soil water density using bounce technique.
It is as follows that soil moisture content calculates formula:
Wherein, θ is soil moisture content；EC is soil conductivity；ρdFor dry density of soil, in experimental determination；ρwFor watertight
Degree；A, b is the calibration constant of soil.
Conductivity is calculated by following formula:
Wherein, EC is soil conductivity；ε0For permittivity of vacuum；C is the light velocity；KwFor the dielectric constant of water；L is probe
It is inserted into the length of soil；V0For the transformed initial voltage of electromagnetic wave time domain；VTFor the transformed crest voltage of electromagnetic wave time domain；
VfFor the transformed final voltage of electromagnetic wave time domain.
Fig. 8 is the transformed curve of electromagnetic wave time domain.CPU board is in the electromagnetic wave processing letter for receiving the transmission of digital processing plate
After number, IFFT is carried out to it and converts to obtain time-domain signal, such as Fig. 8 curve.V0For the transformed initial voltage of electromagnetic wave time domain；VT
For the transformed crest voltage of electromagnetic wave time domain；VfFor the transformed final voltage of electromagnetic wave time domain.
Specific implementation process of the invention is as shown in Figure 9:
Step 1: starting ground control cabinet 12.
Step 2: carrying out to detect the routeing of soil on ground control cabinet 12.
Step 3: soil testing assemblies of the starting based on unmanned plane 1, obtain the routeing information of ground control cabinet.
Step 4: the soil testing assemblies based on unmanned plane 1, judge whether the detection for completing all way points.If completing,
Then unmanned plane correcting action terminates detection；If not completing, the 5th step is gone to.
Step 5: the soil testing assemblies based on unmanned plane 1, next way point is arrived in flight, and probe 14 is inserted into soil 13.
Step 6: the soil testing assemblies based on unmanned plane 1 emit electromagnetic wave to soil 13.
Step 7: the soil testing assemblies based on unmanned plane 1 receive the electromagnetic wave that soil 13 reflects.
Step 8: the soil testing assemblies based on unmanned plane 1 calculate the water content of soil 13.
Step 9: the soil testing assemblies based on unmanned plane 1 obtain current location information, and probe (4) are extracted into soil
13。
Step 10: location information and soil moisture content are sent to ground control by the soil testing assemblies based on unmanned plane 1
Platform 12.
Step 11: ground control cabinet 12 receives the location information and soil that the soil testing assemblies based on unmanned plane 1 are sent
Earth water content information, and store into database.Then go to the 4th step.
Claims (7)
1. a kind of soil testing assemblies applied to smart city, which is characterized in that including unmanned plane and be mounted in it is described nobody
Radio antenna, wireless signal transceiver module, navigation module, soil moisture content detection module and control module on machine；
The radio antenna realizes sending and receiving for information for connecting ground control cabinet；
The wireless signal transceiver module connects the radio antenna, is transmitted to control module and by position for that will receive signal
Confidence breath, antenna is sent water content data by wireless communication；
The navigation module connects the wireless signal transceiver module, for obtaining location information；
The soil moisture content detection module connects the wireless signal transceiver module, for obtaining water content data；
The control module connects the wireless signal transceiver module and the navigation module, navigates for controlling unmanned plane by planning
Road information is flown.
2. a kind of soil testing assemblies applied to smart city according to claim 1, which is characterized in that it is described nobody
Machine uses multi-rotor unmanned aerial vehicle.
3. a kind of soil testing assemblies applied to smart city according to claim 1, which is characterized in that the soil
Water content detection module include signal generating plate, electromagnetic wave dual-mode antenna,
The signal generating plate is for generating electromagnetic wave；
The electromagnetic wave dual-mode antenna connects the signal generating plate, the electromagnetic radiation for generating the signal generating plate
To surface soil and receive soil reflection electromagnetic wave；
The signal-processing board connects the electromagnetic wave dual-mode antenna, for converting electromagnetic waves into digital signal
The CPU board connects the signal-processing board, for calculating water content data and connecting radio receiving transmitting module.
4. a kind of soil testing assemblies applied to smart city according to claim 3, which is characterized in that the CPU
Plate is used to calculate the water content data of soil:
Wherein, θ is soil moisture content；EC is soil conductivity；ρdFor dry density of soil；ρwFor water density；A, b is the calibration of soil
Constant；
Conductivity is calculated by following formula:
Wherein, EC is soil conductivity；ε0For permittivity of vacuum；C is the light velocity；KwFor the dielectric constant of water；L is probe insertion
The length of soil；V0For the transformed initial voltage of electromagnetic wave time domain；VTFor the transformed crest voltage of electromagnetic wave time domain；VfFor
The transformed final voltage of electromagnetic wave time domain.
5. a kind of soil detection system applied to smart city, which is characterized in that including as described in claim any one of 1-4
Soil testing assemblies, probe and ground control cabinet；The probe-loading is on the unmanned plane in the soil testing assemblies, institute
It states unmanned plane the probe is inserted into soil after landing, the bottom surface console wirelessly connects with the soil testing assemblies
It connects, for route planning information to be sent in the soil testing assemblies, and receives the position letter of the soil testing assemblies
Breath, stores the water content data.
6. a kind of Soil K+adsorption method applied to smart city, which comprises the following steps:
Step 1: starting ground control cabinet；
Step 2: carrying out to detect the routeing of soil on ground control cabinet；
Step 3: starting soil testing assemblies, obtain the routeing information of ground control cabinet；
Step 4: soil testing assemblies judge whether to complete the detection of all way points；If completing, unmanned plane returns to start bit
It sets, terminates detection；If not completing, the 5th step is gone to；
Step 5: soil testing assemblies flight inserts a probe into soil to next way point；
Step 6: soil testing assemblies emit electromagnetic wave to soil；
Step 7:；Soil testing assemblies receive the electromagnetic wave of soil reflection；
Step 8:；The water content of soil testing assemblies calculating soil；
Step 9: soil testing assemblies obtain current location information, and probe is extracted into soil；
Step 10: location information and soil moisture content are sent to ground control cabinet by soil testing assemblies；
Step 11: ground control cabinet receives the location information and soil moisture content information that soil testing assemblies are sent, and store
Into database, the 4th step is then gone to.
7. a kind of Soil K+adsorption method applied to smart city according to claim 6, which is characterized in that the soil
Detection device calculates the water content of soil, specifically:
Wherein, θ is soil moisture content；EC is soil conductivity；ρdFor dry density of soil；ρwFor water density；A, b is the calibration of soil
Constant；
Conductivity is calculated by following formula:
Wherein, EC is soil conductivity；ε0For permittivity of vacuum；C is the light velocity；KwFor the dielectric constant of water；L is probe insertion
The length of soil；V0For the transformed initial voltage of electromagnetic wave time domain；VTFor the transformed crest voltage of electromagnetic wave time domain；VfFor
The transformed final voltage of electromagnetic wave time domain.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858393A (en) * | 2021-04-25 | 2021-05-28 | 湖南大学 | TDR (time domain reflectometry) conductivity testing method based on frequency stepping principle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003329625A (en) * | 2002-05-15 | 2003-11-19 | Japan Science & Technology Corp | Method of detecting soil pollution caused by organic liquid substance |
| US20040201385A1 (en) * | 2003-02-18 | 2004-10-14 | Drnevich Vincent P. | Method and apparatus for measuring dry density and water content of soil |
| WO2009084971A1 (en) * | 2007-12-27 | 2009-07-09 | Utad-Universidade De Tras-Os-Montes E Alto Douro | System for measuring soil properties |
| US20130110398A1 (en) * | 2011-10-28 | 2013-05-02 | Purdue Research Foundation | Time domain reflectometry for characterizing soils |
| CN104848893A (en) * | 2015-04-18 | 2015-08-19 | 中国计量学院 | Drone drought detection method based on airborne soil moisture sensor |
| CN104914115A (en) * | 2015-07-03 | 2015-09-16 | 天津特利普尔科技有限公司 | Soil moisture content tester and testing method thereof |
| CN205581576U (en) * | 2016-03-17 | 2016-09-14 | 天津中翔腾航科技股份有限公司 | Unmanned aerial vehicle farmland soil information monitoring system |
| CN106371417A (en) * | 2016-11-21 | 2017-02-01 | 天津中翔腾航科技股份有限公司 | Intelligent agricultural system based on unmanned aerial vehicle |
| CN107036659A (en) * | 2017-06-09 | 2017-08-11 | 长江师范学院 | A kind of Multifunctional environment monitoring sampling apparatus and its method |
| CN107389737A (en) * | 2017-07-04 | 2017-11-24 | 北京林业大学 | A kind of soil parameters measurement apparatus |
| CN208399498U (en) * | 2018-06-28 | 2019-01-18 | 沈阳兴迪电子科技有限公司 | A kind of soil testing assemblies applied to smart city |
-
2018
- 2018-06-28 CN CN201810687277.4A patent/CN109030773A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003329625A (en) * | 2002-05-15 | 2003-11-19 | Japan Science & Technology Corp | Method of detecting soil pollution caused by organic liquid substance |
| US20040201385A1 (en) * | 2003-02-18 | 2004-10-14 | Drnevich Vincent P. | Method and apparatus for measuring dry density and water content of soil |
| WO2009084971A1 (en) * | 2007-12-27 | 2009-07-09 | Utad-Universidade De Tras-Os-Montes E Alto Douro | System for measuring soil properties |
| US20130110398A1 (en) * | 2011-10-28 | 2013-05-02 | Purdue Research Foundation | Time domain reflectometry for characterizing soils |
| CN104848893A (en) * | 2015-04-18 | 2015-08-19 | 中国计量学院 | Drone drought detection method based on airborne soil moisture sensor |
| CN104914115A (en) * | 2015-07-03 | 2015-09-16 | 天津特利普尔科技有限公司 | Soil moisture content tester and testing method thereof |
| CN205581576U (en) * | 2016-03-17 | 2016-09-14 | 天津中翔腾航科技股份有限公司 | Unmanned aerial vehicle farmland soil information monitoring system |
| CN106371417A (en) * | 2016-11-21 | 2017-02-01 | 天津中翔腾航科技股份有限公司 | Intelligent agricultural system based on unmanned aerial vehicle |
| CN107036659A (en) * | 2017-06-09 | 2017-08-11 | 长江师范学院 | A kind of Multifunctional environment monitoring sampling apparatus and its method |
| CN107389737A (en) * | 2017-07-04 | 2017-11-24 | 北京林业大学 | A kind of soil parameters measurement apparatus |
| CN208399498U (en) * | 2018-06-28 | 2019-01-18 | 沈阳兴迪电子科技有限公司 | A kind of soil testing assemblies applied to smart city |
Non-Patent Citations (1)
| Title |
|---|
| 孙玉龙, 郝振纯, 陈启慧, 刘凌: "土壤电导率及土壤溶液电导率与土壤水分之间关系", 河海大学学报(自然科学版), no. 06, 30 December 1997 (1997-12-30), pages 69 - 73 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858393A (en) * | 2021-04-25 | 2021-05-28 | 湖南大学 | TDR (time domain reflectometry) conductivity testing method based on frequency stepping principle |
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