CN201640121U - Irrigation system - Google Patents

Irrigation system Download PDF

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Publication number
CN201640121U
CN201640121U CN2010201168153U CN201020116815U CN201640121U CN 201640121 U CN201640121 U CN 201640121U CN 2010201168153 U CN2010201168153 U CN 2010201168153U CN 201020116815 U CN201020116815 U CN 201020116815U CN 201640121 U CN201640121 U CN 201640121U
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China
Prior art keywords
irrigation
soil moisture
moisture content
sensor
master controller
Prior art date
Application number
CN2010201168153U
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Chinese (zh)
Inventor
林可
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林可
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Abstract

The utility model discloses an irrigation system. A wireless communication channel is established between a wireless transmitting device and a wireless receiving device for communication, a sensor, a slave controlling machine and the wireless transmitting device are sequentially connected, the sensor is used for measuring soil moisture content and sending the soil moisture content to the slave controlling machine, the salve controlling machine is used for controlling the sensor to measure the soil moisture content and sending out the soil moisture content via the wireless transmitting device, the wireless receiving device, a main controlling machine, a relay and an irrigation device are sequentially connected, the main controlling machine is used for receiving the soil moisture content via the wireless receiving device and controlling the relay according to the soil moisture content and a preset value, and the relay is used for controlling the irrigation device. With the technical scheme, the utility model can solve the problem for water-saving irrigation in areas with insufficient rainfall or uneven rainfall spatial-temporal distribution, and the system can implement accurate irrigation according to the soil moisture content and the water use rules of crops.

Description

A kind of irrigation system

Technical field

The utility model relates to agricultural technology field, relates in particular to a kind of irrigation system.

Background technology

Since ancient times, just there is the laudatory title in " land of plenty " in China south of the River, until now, southern area also remains one of grain major production areas of China.Than the north, southern summer rainwater is abundant, and paddy rice generally yields two crops a year, even 1 year three ripe, four ripe.Several provinces in south belong to hills, hill features such as Fujian, Yunnan and other places more, and paddy rice is planted with the terraced fields form, and the diversified economy crop also utilizes the mountain region such as tealeaves, fruit plantation more, and these have utilized landform well, have enlarged cultivated area.But very be not easy to a certain extent irrigate, and south four seasons rainwater is clearly demarcated, during summer and tens of days of heavy rain is more than, runs into usually also to lose rainwater dry season again in 30 days, so that the soil be full of cracks, the crops dries up.Therefore, how to obtain information on soil moisture, provide irrigation, the real necessity that belongs to according to the plant growing needs.

The utility model content

The purpose of this utility model is to propose a kind of irrigation system, can solve the water-saving irrigation problem in the uneven area of rainfall deficiency or rainfall spatial and temporal distributions, and system can implement accurately to irrigate according to soil moisture content and crop watering law.

For reaching this purpose, the utility model by the following technical solutions:

A kind of irrigation system, comprise sensor, from controller, wireless transmitting device, radio receiver, master controller, relay and irrigation installation, wherein, setting up radio communication channel between wireless transmitting device and the radio receiver communicates, sensor, be connected successively with wireless transmitting device from controller, sensor is used for the soil moisture content of measured soil, and issue from controller, be used to control the sensor measurement soil moisture content from controller, and soil moisture content sent by wireless transmitting device, radio receiver, master controller, relay is connected successively with irrigation installation, master controller is used for receiving soil moisture content by radio receiver, according to soil moisture content and preset value control relay, relay is used to control irrigation installation.

Also comprise input unit, input unit is connected with master controller, is used to import the preset value of soil irrigation.

Also comprise display unit, display unit is connected with master controller, is used to show soil moisture content and irrigates information.

Also comprise power supply, power supply respectively with master controller be connected from controller, be used to provide power supply.

Sensor is soil humidity sensor or soil moisture temperature sensor.

Master controller comprises the AT89S52 control chip.

Input unit is a matrix keyboard.

Display unit is 12864 LCDs.

Adopted the technical solution of the utility model, can implement accurately to irrigate according to soil moisture content and crop watering law, not only can effectively solve the low problem of agricultural irrigation water availability, alleviate the contradiction that is becoming tight water resource day, but also provide better growing environment for crop, realized to the monitoring of soil moisture content with to the Based Intelligent Control function of irrigation system, set up modern monitoring soil moisture, water-saving irrigation and the automation and control network of serving the water conservancy informatization of a cover, provide the information foundation for carrying out water-saving irrigation work.In addition, native system is simple to operate, accurately and reliably, supports to be applicable to various crop to the manual amendment of related parameter is arranged, and more can increase the output of crops, reduces the cost of agricultural product, has very big promotional value.

Description of drawings

Fig. 1 is the structural representation of irrigation system in the utility model embodiment.

Embodiment

Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.

Major technique thought of the present utility model is to be the control core with the single-chip microcomputer, form by master controller, wireless data sending with from the controller three parts, comprise information on soil moisture collection, wireless data transmission, control section information comprehensive analysis, the output of display part information and irrigate functional module such as control.Master controller has input module, can be according to Different Crop, and different growing stages, the difference of the water demand of crop is set soil moisture lower limit and equispaced irrigation time flexibly; Wireless data sending adopts wireless transceiving modes, has saved extensive laying-out, the expense of pipeline; By a plurality of Temperature Humidity Sensors, multiple spot is gathered information on soil moisture, and soil moisture content is monitored in real time from controller.Master controller is analyzed, is integrated the information that receives, change into and start the irrigation of watering intuitively, stop to water and irrigate and time sharing segment waters after the information such as irrigation, on LCDs, show current soil temp. and humidity information and water and irrigate prompting, automatically realize on time, according to quantity, supply water as required, thereby reduce vexed in flush period effectively, mashed root so that crop death, alleviate damage caused by a drought in the dry season, manpower is irrigated made scientific arrangement, finally improved crop yield.

Fig. 1 is the structural representation of irrigation system in the utility model embodiment.As shown in Figure 1, this irrigation system comprise sensor 1, from controller 2, wireless transmitting device 3, radio receiver 4, master controller 5, input unit 6, display unit 7, relay 8, irrigation installation 9 and power supply 10.

Wherein, set up radio communication channel between wireless transmitting device and the radio receiver and communicate, sensor, be connected successively with wireless transmitting device from controller, radio receiver, master controller, relay and irrigation installation are connected successively.

Sensor is soil humidity sensor or soil moisture temperature sensor, the sensor measurement soil tilth, and issue from controller, from controller control sensor measurement soil moisture content, and soil moisture content sent by wireless transmitting device, master controller receives soil moisture content by radio receiver, and according to soil moisture content and preset value control relay, relay control irrigation installation is irrigated.

Input unit is a matrix keyboard, by be connected the preset value of input soil irrigation with master controller.

Display unit is 12864 LCDs, by being connected with master controller, showing soil moisture content and irrigates information.

Power supply respectively with master controller be connected from controller, power supply can be provided.

Master controller comprises the AT89S52 control chip.

The agricultural water-saving irrigation control system mainly is made up of soil moisture content information gathering, the transmission of soil moisture content information and soil moisture content information processing three parts, finishes the monitoring to soil moisture content.

Soil moisture content information gathering part: soil moisture content promptly is the situation of water content number in the root of the crop layer soil, in China, typically refers to the water status at northern dry farming district soil.Soil moisture content influences the field weather, and soil aeration and nutrient decompose, and is one of essential condition of edaphon activity and crop growthing development.By bury the soil temperature and humidity sensor underground in the farmland, the data from the continuous read sensor of controller is gathered obtain information on soil moisture through after the respective handling.When practical application, in order to access the Global Information of agricultural land soil soil moisture content, a plurality of soil temperature and humidity sensors need be set in the farmland, realize the multiple spot collection of data.

The soil moisture content partial message transmission: the soil moisture content partial message transmission is made up of wireless transmitting device and radio receiver.Wireless transmitting device is by controlling from controller, from controller sensor being passed the data processing back of coming transfers out by wireless transmitting device, corresponding with it radio receiver is controlled by master controller, and the transmission of data is finished in the work of two parts matching coordinative.

Soil moisture content information processing part: the soil moisture content information processing partly is by master controller the data that radio receiver receives to be carried out liquid crystal display on the one hand, data with the keyboard input compare processing on the other hand, and then the break-make of control relay is finished real-time irrigation.

Have input equipment just because of master controller,, can set in advance the lower limit of different soils humidity different vegetative period for different plants, satisfy plant to the different demands of moisture.In the process of data acquisition, can settle different sensors in addition, and then obtain more detailed information in the soil, after the respective handling by single-chip microcomputer, better meet the demand of plant.

Specifically describe the hardware device of this irrigation system below.

The hardware components of this agricultural water-saving irrigation control system is mainly controlled six parts and is formed by soil moisture content collection, soil moisture content transmission, soil moisture content demonstration, master controller, matrix keyboard, irrigation.

The soil moisture content collecting part: moisture is the principal element of decision soil dielectric constant.The dielectric constant of measured soil can directly stably react the true moisture of various soil.TDR type soil moisture (moisture) but the percent by volume of sensor measured soil moisture is irrelevant with the mechanism of soil itself, be most popular in the world at present soil moisture (moisture) measuring method.TDR-3A type soil moisture temperature sensor is that temperature and humidity is integrated in one, and has sealing, waterproof, and the precision height, characteristics such as sensitivity height are the desirable instruments of measured soil temperature and humidity.

Soil moisture content hop: after having finished data acquisition, system will transmit relative moisture of the soil and the soil temperature of gathering, in this process, lay the trouble of bringing to farming operation in order to avoid the wire transmission circuit, adopt the radio transmission apparatus of built in hardware CRC error detection.

The mode of operation of radio transmission apparatus has four kinds of transceiver mode, configuration mode, idle pulley, shutdown mode.Configuration effort to radio transmission apparatus is to finish by SPI, has 30 byte configuration words:

Data width: the figure place of data occupancy in the statement rf data bag.This makes NewMsg_RF24L01 can distinguish data and the CRC check sign indicating number that receives in the packet;

Address width: the figure place that the address takies in the statement rf data bag.This makes NewMsg_RF24L01 can distinguish address and data;

Address: receive the address of data, the address of passage 0 to passage 5 arranged;

CRC: when making NewMsg_RF24L01 can generate CRC technology in using the NewMsg_RF24L01 sheet of CRC check sign indicating number and decoding, guarantee that CRC check is enabled in configuration words (EN_CRC of CONFIG), and transmission and the identical agreement of reception use.

Product performance is:

(1) the open ISM band in the 2.4Ghz whole world is exempted from the licensing use.

(2) high workload speed 2Mbps, efficient GFSK modulation, antijamming capability is strong, is particularly suitable for the Industry Control occasion.

(3) 125 channels satisfy multi-point and frequency hopping communications needs.

(4) built in hardware CRC error detection and point-to-multipoint delivery address control.

(5) low-power consumption 1.9~3.6V work, state only is 1uA under the Power down pattern.

(6) built-in 2.4Ghz antenna, the small and exquisite about 18*37mm of volume.

(7) but module software is established the address, data (provide interrupt indication) just can be provided when only receiving this machine address, can directly connect various single-chip microcomputers and use, software programming is very convenient.

(8) built-in special mu balanced circuit uses various power supplys to comprise that the DC/DC Switching Power Supply all has good communication efficiency.

(9) standard DIP spacing interface is convenient to Embedded Application.

The soil moisture content display part: what the display unit of native system adopted is 12864 LCDs, it is 128 * 64 dot matrix type LCD MODULEs, can show various characters and figure, can directly link to each other to have 8 normal data buses, 6 control lines and power line with single-chip microcomputer.

The parameter of the working range that it is maximum is as follows:

(1) logic working voltage (Vcc): 4.5~5.5V

(2) power supply ground (GND): 0V

(3) lcd drive voltage (Vee): 0~-10V

(4) input voltage: Vee~Vdd

(5) operating temperature (Ta): 0~55 ℃ of (normal temperature)/-20~70 ℃ (wide temperature)

(6) storage temperature (Tstg) :-10~65 ℃

Electrical characteristic (test condition Ta=25, Vdd=5.0+/-0.25V)

(1) input high level (Vih): 3.5Vmin

(2) input low level (Vil): 0.55Vmax

(3) output high level (Voh): 3.75Vmin

(4) output low level (Vol): 1.0Vmax

(5) operating current: 2.0mAmax

The master controller part: the control chip of master controller adopts AT89S52, it is a kind of low-power consumption, high-performance CMOS 8 8-digit microcontrollers, has 8K at system programmable Flash memory, use Atmel company high-density nonvolatile memory technology to make, compatible fully with industrial 80C51 product instruction and pin.Flash allows program storage at system programmable on the sheet, also is suitable for the conventional programming device.On single-chip, have 8 dexterous bit CPUs and, make AT89S52 provide flexible and efficient solution for numerous embedded Control application systems at system programmable Flash.

AT89S52 has following standard feature: 8k bytes Flash, 256 byte RAM, 32 I/O mouth lines, WatchDog Timer, 2 data pointers, three 16 bit timing device/counters, 2 grades of interrupt structures of one 6 vector, crystal oscillator and clock circuit in the full duplex serial port, sheet.In addition, AT89S52 can reduce to the operation of 0Hz static logic, supports 2 kinds of softwares can select energy-saving mode.Under the idle pulley, CPU quits work, and allows RAM, timer/counter, serial ports, interruption to work on.Under the power down protection mode, the RAM content is saved, and oscillator is frozen, and all work of single-chip microcomputer stop, till next one interruption or hardware reset.

Matrix keyboard: because different plants, in the requirement difference of different times for temp. and humidity, thus system by the lower limit of keyboard input temp. and humidity, thereby real-time plant is reasonably irrigated of science more.In order to reduce taking of I/O mouth, become matrix form to constitute matrix keyboard key arrangement, every horizontal line and vertical line directly are not communicated with at infall, but are connected by a button.Like this, a port (as the P0 mouth) just can constitute 4*4=16 button.

Irrigate control section: master controller is by the comparative result to the input value of the data collected and keyboard, thus the break-make of control relay, and then control corresponding irrigation installation, to the irrigation of plant real-time quantitative.

Specifically describe the software design of this irrigation system below.

According to the requirement of whole system function with to the consideration of the basic condition of hardware, in the process of software design, taked modular design method equally.Software design of whole system divides three unit to finish: soil moisture content collecting unit, wireless transmission unit, soil moisture content processing unit.

Soil moisture content collecting unit: in the process of image data, user's single-chip microcomputer sends a commencing signal, TDR-3A is transformed into fast mode from low-power consumption mode, after waiting for that the main frame commencing signal finishes, TDR-3A sends response signal, send the data of 40bit, and trigger signals collecting one time, be transformed into low-speed mode after the image data.Bus idle state is a high level, and main frame drags down bus and waits for the TDR-3A response, and main frame drags down bus must guarantee that TDR-3A can detect initial signal greater than 18 milliseconds.After TDR-3A receives the commencing signal of main frame, wait for that the main frame commencing signal finishes, and sends 80us low level response signal then. after main frame sends the commencing signal end, after 20-40us is waited in time-delay, read the response signal of TDR-3A, after main frame sent commencing signal, bus was drawn high by pull-up resistor.

Bus is a low level, and TDR-3A sends response signal, and TDR-3A draws high 80us to bus after sending response signal again, is ready for sending data, and each bit data all begins with 50us low level time slot, and it is 0 or 1 that the length of high level has been decided data bit.Behind last 1bit Data Transfer Done, TDR-3A drags down bus 50us, and bus is drawn high by pull-up resistor and entered idle condition subsequently.

Wireless transmission unit: in the flow process of radio receiving transmitting module emission: the first, the address of receiver and the data that will send are sent into radio receiving transmitting module chronologically, configuration CONFIG register makes it to enter sending mode; The second, microcontroller is put height (10us at least) to CE, excites the wireless module emission; The 3rd, carry out the data emission, to the radio-frequency front-end power supply, and, after emission is finished, enter idle condition with rf data packing (adding prefix, CRC check sign indicating number).

In the flow process that receives: the first, the packet size that disposes this machine address and will receive, configuration CONFIG register makes it to enter receiving mode, and CE is put height; The second, behind the 130us, radio receiving transmitting module enters monitored state, waits for the arrival of packet; The 3rd, when receiving correct packet (correct address and CRC check sign indicating number), radio receiving transmitting module goes prefix, address and CRC check displacement automatically; The 4th, radio receiving transmitting module by the STATUS register RX-DR set and notify single-chip microcomputer, single-chip microcomputer is read data from radio receiving transmitting module; The 5th, after finishing, all data reads remove the STATUS register.

The soil moisture content processing unit: master controller is gathered the warm and humid information of soil at set intervals one time, and on LCDs, show, master controller is analyzed data simultaneously, judge whether that according to humidity lower limit that sets in advance and analysis result needs water soil, prescribe a time limit when humidity is lower than down, relay closes starts watering appliance, relay automatic disconnection after a period of time, thus reach the purpose of automatic control water-saving irrigation.

For the irrigation system in this embodiment, on demand: China is a developing large agricultural country, the water of having a large population and a few land is few, Precipitation Distribution in Time and Space is uneven, water and soil resources do not match, special nature and social and economic condition, and the decision grain-production must depend on irrigation.By normal need and non-its excessive exploitation of groundwater, about 200 billion cubic meters of China's field irrigation lack of water.Along with the development of economic society, agricultural water will be faced with stern challenge more., remain under the situation that irrigation water capacity do not increase for this reason, ensure the sustainable development of agricultural, must tap the latent power inside, greatly develop water-saving agriculture, popularize water-saving irrigation in China.Native system can economize on electricity in theory, can also take things easy, and has effectively alleviated the contradiction of socio-economic development with water shortage, has ensured particularly grain-production water of agricultural production, has promoted modern agricultural development and increasing peasant income.

From practicality: this product outside is provided with input equipment, LCDs, relay; Inside is provided with the wireless data transfer line road of using the open ISM band in the whole world (2.4Ghz) of exempting from licensing.At different plants, can set in advance the lower limit of different soils humidity by input equipment different vegetative period, and then automatically plant be carried out real-time irrigation by the break-make of relay, satisfy the different demands of plant to moisture.

On technology and cost, because Single-chip Controlling is adopted in the core of this product, cost is lower, and has good performance, is suitable for consumers in general's the level of consumption.

From suitable application region: this product generally is suitable in rainfall deficiency or the uneven area of rainfall space-time, is particularly useful for the landform on southern many mountain regions, hills, and to the tea tree of mountain planting, economic crops such as fruit tree can provide and irrigate control automation control preferably;

Main application fields: water-saving irrigation control; Soil moisture content is gathered; Field information acquisition; Greenhouse surroundings monitoring; The hydrology-water quality monitoring; The monitoring of animals and plants physiological ecological; Plant and equipment and environmental monitoring etc.

Compare with traditional irrigation system, no matter on demand, still on its practicality and function, all have certain advantage, accepted by the vast farmers consumer easily and use, market application foreground is extensive.

The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims (8)

1. irrigation system, it is characterized in that, comprise sensor, from controller, wireless transmitting device, radio receiver, master controller, relay and irrigation installation, wherein, setting up radio communication channel between wireless transmitting device and the radio receiver communicates, sensor, be connected successively with wireless transmitting device from controller, sensor is used for the soil moisture content of measured soil, and issue from controller, be used to control the sensor measurement soil moisture content from controller, and soil moisture content sent by wireless transmitting device, radio receiver, master controller, relay is connected successively with irrigation installation, master controller is used for receiving soil moisture content by radio receiver, and according to soil moisture content and preset value control relay, relay is used to control irrigation installation.
2. a kind of irrigation system according to claim 1 is characterized in that, also comprises input unit, and input unit is connected with master controller, is used to import the preset value of soil irrigation.
3. a kind of irrigation system according to claim 1 is characterized in that, also comprises display unit, and display unit is connected with master controller, is used to show soil moisture content and irrigates information.
4. a kind of irrigation system according to claim 1 is characterized in that, also comprises power supply, power supply respectively with master controller be connected from controller, be used to provide power supply.
5. a kind of irrigation system according to claim 1 is characterized in that, sensor is soil humidity sensor or soil moisture temperature sensor.
6. a kind of irrigation system according to claim 1 is characterized in that master controller comprises the AT89S52 control chip.
7. a kind of irrigation system according to claim 2 is characterized in that input unit is a matrix keyboard.
8. a kind of irrigation system according to claim 3 is characterized in that, display unit is 12864 LCDs.
CN2010201168153U 2010-02-23 2010-02-23 Irrigation system CN201640121U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102119648A (en) * 2011-01-14 2011-07-13 吉林省农机装备科技创新中心 Precise drip irrigation system with autonomous consciousness
CN102200767A (en) * 2011-03-02 2011-09-28 深圳市赛瑞景观工程设计有限公司 Satellite irrigation system controller
CN102283081A (en) * 2011-06-28 2011-12-21 山东农业大学 Double-factor automatic irrigation control system based on soil moisture and prepaid water charge
CN103168659A (en) * 2013-04-10 2013-06-26 无锡市崇安区科技创业服务中心 Automatic agricultural irrigation system based on micro-electromechanical system (MEMS) technology
CN104335882A (en) * 2014-10-27 2015-02-11 华南农业大学 Wireless accurate irrigation control system
CN104396684A (en) * 2014-12-16 2015-03-11 山西森海源农林科技有限公司 Grape planting automatic control system and control method thereof
CN104798632A (en) * 2015-04-29 2015-07-29 无锡市崇安区科技创业服务中心 Intelligent greenhouse system for self-adaptively regulating soil moisture
CN104838985A (en) * 2015-04-21 2015-08-19 边贻国 Agricultural modernization management rice field water conservancy irrigating system device based on ZigBee network
CN105165566A (en) * 2015-10-14 2015-12-23 重庆交通大学 Programmable solar-powered irrigation control system
CN105191759A (en) * 2015-09-10 2015-12-30 太仓市秀兴农场专业合作社 Agricultural irrigation system
CN107372038A (en) * 2017-09-06 2017-11-24 郑州云海信息技术有限公司 A kind of automatic irrigation system based on cloud computing

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102119648A (en) * 2011-01-14 2011-07-13 吉林省农机装备科技创新中心 Precise drip irrigation system with autonomous consciousness
CN102200767A (en) * 2011-03-02 2011-09-28 深圳市赛瑞景观工程设计有限公司 Satellite irrigation system controller
CN102283081A (en) * 2011-06-28 2011-12-21 山东农业大学 Double-factor automatic irrigation control system based on soil moisture and prepaid water charge
CN103168659A (en) * 2013-04-10 2013-06-26 无锡市崇安区科技创业服务中心 Automatic agricultural irrigation system based on micro-electromechanical system (MEMS) technology
CN104335882A (en) * 2014-10-27 2015-02-11 华南农业大学 Wireless accurate irrigation control system
CN104396684A (en) * 2014-12-16 2015-03-11 山西森海源农林科技有限公司 Grape planting automatic control system and control method thereof
CN104838985A (en) * 2015-04-21 2015-08-19 边贻国 Agricultural modernization management rice field water conservancy irrigating system device based on ZigBee network
CN104798632A (en) * 2015-04-29 2015-07-29 无锡市崇安区科技创业服务中心 Intelligent greenhouse system for self-adaptively regulating soil moisture
CN105191759A (en) * 2015-09-10 2015-12-30 太仓市秀兴农场专业合作社 Agricultural irrigation system
CN105165566A (en) * 2015-10-14 2015-12-23 重庆交通大学 Programmable solar-powered irrigation control system
CN107372038A (en) * 2017-09-06 2017-11-24 郑州云海信息技术有限公司 A kind of automatic irrigation system based on cloud computing

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