CN204180657U - Intelligent paddy rice draining irrigation system - Google Patents
Intelligent paddy rice draining irrigation system Download PDFInfo
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- CN204180657U CN204180657U CN201420653453.XU CN201420653453U CN204180657U CN 204180657 U CN204180657 U CN 204180657U CN 201420653453 U CN201420653453 U CN 201420653453U CN 204180657 U CN204180657 U CN 204180657U
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Abstract
The utility model relates to a kind of intelligent paddy rice draining irrigation system, comprise water-pumping/draining equipment, liquid level gauge, camera, image processing equipment and master controller, described water-pumping/draining equipment is used for carrying out pump drainage to water-holding quantity in described rice field, described liquid level gauge is for detecting the height of water level in described rice field, described camera is for taking rice field image, described image processing equipment is connected with to described rice field image procossing with described camera, described master controller and described water-pumping/draining equipment, described liquid level gauge is connected respectively with described image processing equipment, the pump drainage operation of described water-pumping/draining equipment is controlled based on described processing result image and described height of water level.By the utility model, the pump drainage water yield that the immersion percentage that can occupy whole strain paddy rice height according to height of water level in rice field is determined needed for rice field, and control the draining that water-pumping/draining equipment completes paddy rice automatically according to the required pump drainage water yield and irrigate.
Description
Technical field
The utility model relates to draining and irrigates field, particularly relates to a kind of intelligent paddy rice draining irrigation system.
Background technology
Paddy rice is one of main long-term cropping in the whole world, and its plantation is with a long history, especially in recent years the concentrated research of hybrid rice, and output and the economic benefit of paddy rice are more and more higher, for solving global hungry problem, safeguards that international community stablizes and makes outstanding contributions.
The planting patterns of paddy rice is different from the planting patterns of other dry land crops.Paddy rice has happiness water water-proofing performance, and normal employing basins irrigation mode, and therefore, the seepage loss water yield is large, and frequency of irrigation is many, and irrigation norm is large.Irrigation program should meet the depth requirements that water layer is basined irrigation in different times rice field.In view of this, the requirement of paddy rice to the water yield is harsher, and in order to maintain the high yield of paddy rice, paddy rice is to the demand of the water yield to need the moment to ensure.
Water-holding quantity in rice field needs to maintain certain altitude, could the growth of the most applicable paddy rice, therefore needs the mode combined irrigation of paddy fields draining, could ensure the water-holding quantity in rice field in time.But, paddy field drainage irrigation system of the prior art, often only lay particular stress on draining or irrigate in a certain respect, have ignored on the other hand, or only adopt manual type to process on the other hand, greatly reduce the automaticity of paddy field drainage irrigation system, paddy growth each period cannot be adapted to the different requirements of rice field water-holding quantity.
Therefore, need a kind of new paddy field drainage irrigation system, draining or irrigation process are all carried out automation customization, can when water-holding quantity is too much Auto-drainage, can when water-holding quantity is on the low side automatic irrigation, thus ensure that water level in paddy field maintains preset height, ensure the normal growth of paddy rice.
Utility model content
In order to solve the problem, the utility model provides a kind of intelligent paddy rice draining irrigation system, determine that in rice field, height of water level occupies the immersion percentage of whole strain paddy rice height by image recognition technology, thus determine the pump drainage water yield needed for rice field, and control water-pumping/draining equipment completes paddy rice automatically draining irrigation according to the required pump drainage water yield, the immersion height dimension of paddy rice is held in a zone of reasonableness, avoids paddy rice to be flooded or lack of water.
According to one side of the present utility model, provide a kind of intelligent paddy rice draining irrigation system, described system comprises water-pumping/draining equipment, liquid level gauge, camera, image processing equipment and master controller, described water-pumping/draining equipment is used for carrying out pump drainage to water-holding quantity in described rice field, described liquid level gauge is for detecting the height of water level in described rice field, described camera is for taking rice field image, described image processing equipment is connected with to described rice field image image procossing with described camera, described master controller and described water-pumping/draining equipment, described liquid level gauge is connected respectively with described image processing equipment, the pump drainage operation of described water-pumping/draining equipment is controlled based on described processing result image and described height of water level.
More specifically, in described intelligent paddy rice draining irrigation system, described system also comprises flow detector, with described water-pumping/draining equipment connection, to draw water total amount or draining total amount for detecting described water-pumping/draining equipment, described water-pumping/draining equipment also comprises electromotor, for being extracted out by water-holding quantity in described rice field according to the signal that draws water received, and quits work according to the drain signal received, magnetic valve, be arranged in the catch feeder in described rice field, for controlling the closedown of described catch feeder according to the signal that draws water received, also for controlling opening of described catch feeder according to the drain signal received, enter described catch feeder with the irrigation advance controlled above described catch feeder, memory device, for storing paddy rice upper limit gray threshold and paddy rice lower limit gray threshold, described memory device also stored for the submerged position pump drainage water yield table of comparisons, described paddy rice upper limit gray threshold and described paddy rice lower limit gray threshold are used for the paddy rice in image and background separation, and the described submerged position pump drainage water yield table of comparisons saves the one-to-one relationship of immersion percentage and the pump drainage water yield, described camera is high-definition camera, and resolution is 1280 × 720, is arranged on the top in described rice field, for taking rice field image, described image processing equipment comprises image pre-processing unit, image segmentation unit and paddy rice water surface elevation recognition unit, described image pre-processing unit is connected with described camera, for performing contrast strengthen and wavelet filtering successively to described rice field image with output filtering rice field image, described image segmentation unit is connected respectively with described image pre-processing unit and described memory device, for by the pixel identification of gray value between described paddy rice upper limit gray threshold and described paddy rice lower limit gray threshold in the image of described filtering rice field to form multiple paddy rice subgraph, described paddy rice water surface elevation recognition unit is connected with described image segmentation unit, based on the water surface elevation of each each strain paddy rice of paddy rice subgraph identification, also the water surface elevation of average many strains paddy rice is to obtain average water surface elevation, described master controller and described water-pumping/draining equipment, described liquid level gauge, described flow detector, described memory device is connected respectively with described image processing equipment, the average water surface elevation summation that the height of water level export described liquid level gauge and described image processing equipment export is to obtain paddy rice height, described height of water level is occupied described paddy rice immersion percentage highly divided by described paddy rice height to obtain described height of water level, the pump drainage water yield corresponding with the described immersion percentage obtained is searched at the described submerged position pump drainage water yield table of comparisons based on the described immersion percentage obtained, and send when the described corresponding pump drainage water yield is pump-out the signal that draws water, drain signal is sent when the described corresponding pump drainage water yield is drainage discharge, wireless communication interface, with the irrigation and water conservancy parametric controller wireless connections of far-end, also be connected with described master controller, for by described height of water level, described average water surface elevation, described in the immersion percentage that obtains and the described corresponding pump drainage water yield be wirelessly transmitted to described irrigation and water conservancy parametric controller, and receiving the control instruction of described irrigation and water conservancy parametric controller transmission, described control instruction comprises the pump drainage water yield, power supply, is connected with described master controller, for providing power supply supply for the equipment in described system except described power supply, and carries out power supply management under the control of described master controller, wherein, draw water total amount or draining total amount that described master controller sends at described flow detector equal the described corresponding pump drainage water yield, stop the pump drainage of described water-pumping/draining equipment to operate, described master controller, described electromotor, described memory device, described power supply are all arranged in the waterproof case of described system.
More specifically, in described intelligent paddy rice draining irrigation system, described master controller, described memory device and described power supply are integrated on one piece of surface-mounted integrated circuit.
More specifically, in described intelligent paddy rice draining irrigation system, described electromotor is dc motor.
More specifically, in described intelligent paddy rice draining irrigation system, described wireless communication interface is the one in GPRS communication interface, 3G communication interface or 4G communication interface.
More specifically, in described intelligent paddy rice draining irrigation system, described system also comprises serial communication interface, be connected with described memory devices, for inputting described storage paddy rice upper limit gray threshold, described paddy rice lower limit gray threshold and the described submerged position pump drainage water yield table of comparisons to described memory device.
More specifically, in described intelligent paddy rice draining irrigation system, described serial communication interface is RS-232 serial communication interface.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the block diagram of the intelligent paddy rice draining irrigation system according to the utility model embodiment.
Embodiment
Below with reference to accompanying drawings the embodiment of intelligent paddy rice draining irrigation system of the present utility model is described in detail.
Paddy rice originates in Tropical Asian, after China widely plants, propagates into gradually all over the world.According to diverse ways, paddy rice can be divided into long-grained nonglutinous rice and japonica rice, early rice and middle late rice, glutinous rice and non-glutinous rice.Tremendous contribution has been made in the research of Chinese Scientists Yuan Longping to hybrid rice, and be described as " father of hybrid rice ", hybrid rice makes rice yield increase rapidly.The grain of rice that paddy rice is tied claims rice, scented rice, rice or rice after shelling.Nearly half population is in the world all food with rice.The eating method of rice is varied, has rice, congee, rice cake, rice cake, rice noodles rice wine etc.Paddy rice institute knot reality and paddy, claim rice or rice after shelling.Belong to direct economy crop, still the staple food of 1/3rd mankind in the world.
Paddy rice requires higher to the water-holding quantity in rice field, if hypervolia, paddy rice poor air permeability, easily the diseases such as banded sclerotial blight occurs, and in addition, if booting stage is by flood, part spike of rice can be dead, although putting forth ears of having, and the fringe of the incomplete or empty flat grain of how lopsided rice, panicle development; Heading stage is flooded, plant anoxic, causes root system early ageing even rotten, can not absorb enough nutrients, cause leaf presenility, and water-holding quantity is in fact also too much waste the one of water.
Meanwhile, if the water yield is very few, will reduces photosynthetic capacity, affect Young spike development, affect the growth of branch stalk, increase the degeneration and infertile of grain husk flower, rice strain improving activity of root system declines.The booting initial stage suffers from drought and suppresses branch stalk, the differentiation of clever flower primordium, and number of grain per ear is few, and booting lack of water in mid-term makes interior coetonium and Pistil And Stamen depauperation.Meiosis stage, lack of water caused grain husk to spend a large amount of degeneration, and grain number reduces, and ripening rate declines.Heading stage, lack of water caused heading to bloom difficulty, not only ear uneven, bag neck dead ears are many, reduce ripening rate, also directly can cause and can not take out fringe, have a strong impact on the output of paddy rice.
Intelligent paddy rice draining irrigation system of the present utility model, can by automatically identifying that in current rice field, height of water level occupies the immersion percentage of whole strain paddy rice height, and according to the immersion percentage preset and the one-to-one relationship of the pump drainage water yield, inquire the pump drainage water yield needed for rice field, thus control the draining that water-pumping/draining equipment completes paddy rice automatically according to the required pump drainage water yield and irrigate, water level in paddy field is unanimously remained on and allows the optimum position of paddy rice normal growth.
Fig. 1 is the block diagram of the intelligent paddy rice draining irrigation system according to the utility model embodiment, described system comprises water-pumping/draining equipment 1, liquid level gauge 2, camera 3, image processing equipment 4 and master controller 5, described water-pumping/draining equipment 1 is for carrying out pump drainage to water-holding quantity in described rice field, described liquid level gauge 2 is for detecting the height of water level in described rice field, described camera 3 is for taking rice field image, described image processing equipment 4 is connected with to described rice field image image procossing with described camera 3, described master controller 5 and described water-pumping/draining equipment 1, described liquid level gauge 2, described camera 3 and described image processing equipment 4 are connected to start or close described water-pumping/draining equipment 1 respectively, described liquid level gauge 2, described camera 3 and described image processing equipment 4, the pump drainage operation of described water-pumping/draining equipment 1 is also controlled based on described processing result image and described height of water level.
Then, more specific description is carried out to the structure of intelligent paddy rice draining irrigation system of the present utility model.
Described intelligent paddy rice draining irrigation system also comprises flow detector, is connected with described water-pumping/draining equipment 1, to draw water total amount or draining total amount for detecting described water-pumping/draining equipment 1.
Described water-pumping/draining equipment 1 also comprises electromotor, for being extracted out by water-holding quantity in described rice field according to the signal that draws water received, and quits work according to the drain signal received; Magnetic valve, be arranged in the catch feeder in described rice field, for controlling the closedown of described catch feeder according to the signal that draws water received, also for controlling opening of described catch feeder according to the drain signal received, enter described catch feeder with the irrigation advance controlled above described catch feeder.
Described intelligent paddy rice draining irrigation system also comprises memory device, for storing paddy rice upper limit gray threshold and paddy rice lower limit gray threshold, described memory device also stored for the submerged position pump drainage water yield table of comparisons, described paddy rice upper limit gray threshold and described paddy rice lower limit gray threshold are used for the paddy rice in image and background separation, and the described submerged position pump drainage water yield table of comparisons saves the one-to-one relationship of immersion percentage and the pump drainage water yield.
Described camera 3 is high-definition camera, and resolution is 1280 × 720, is arranged on the top in described rice field, for taking rice field image.
Described image processing equipment 4 comprises image pre-processing unit, image segmentation unit and paddy rice water surface elevation recognition unit, described image pre-processing unit is connected with described camera 3, for performing contrast strengthen and wavelet filtering successively to described rice field image with output filtering rice field image, described image segmentation unit is connected respectively with described image pre-processing unit and described memory device, for by the pixel identification of gray value between described paddy rice upper limit gray threshold and described paddy rice lower limit gray threshold in the image of described filtering rice field to form multiple paddy rice subgraph, described paddy rice water surface elevation recognition unit is connected with described image segmentation unit, based on the water surface elevation of each each strain paddy rice of paddy rice subgraph identification, also the water surface elevation of average many strains paddy rice is to obtain average water surface elevation.
Described master controller 5 and described water-pumping/draining equipment 1, described liquid level gauge 2, described flow detector, described memory device is connected respectively with described image processing equipment 4, the average water surface elevation summation that the height of water level export described liquid level gauge 2 and described image processing equipment 4 export is to obtain paddy rice height, described height of water level is occupied described paddy rice immersion percentage highly divided by described paddy rice height to obtain described height of water level, the pump drainage water yield corresponding with the described immersion percentage obtained is searched at the described submerged position pump drainage water yield table of comparisons based on the described immersion percentage obtained, and send when the described corresponding pump drainage water yield is pump-out the signal that draws water, drain signal is sent when the described corresponding pump drainage water yield is drainage discharge.
Described intelligent paddy rice draining irrigation system also comprises wireless communication interface, with the irrigation and water conservancy parametric controller wireless connections of far-end, also be connected with described master controller 5, for by described height of water level, described average water surface elevation, described in the immersion percentage that obtains and the described corresponding pump drainage water yield be wirelessly transmitted to described irrigation and water conservancy parametric controller, and receiving the control instruction of described irrigation and water conservancy parametric controller transmission, described control instruction comprises the pump drainage water yield.
Described intelligent paddy rice draining irrigation system also comprises power supply, is connected with described master controller 5, for providing power supply supply for the equipment in described system except described power supply, and carries out power supply management under the control of described master controller 5.
Wherein, draw water total amount or draining total amount that described master controller 5 sends at described flow detector equal the described corresponding pump drainage water yield, stop the pump drainage of described water-pumping/draining equipment 1 to operate, described master controller 5, described electromotor, described memory device, described power supply are all arranged in the waterproof case of described system.
Wherein, can select described master controller 5, described memory device and described power supply are integrated on one piece of surface-mounted integrated circuit, described electromotor is chosen as dc motor, described wireless communication interface is chosen as GPRS communication interface, one in 3G communication interface or 4G communication interface, described system can also comprise serial communication interface, be connected with described memory devices, for inputting described storage paddy rice upper limit gray threshold to described memory device, described paddy rice lower limit gray threshold and the described submerged position pump drainage water yield table of comparisons, described serial communication interface is preferably RS-232 serial communication interface.
In addition, serial communication interface standard, through using and developing, has had several at present, but is all formed through improving on the basis of rs-232 standard.RS-232C standard is the communication protocol announced for 1969 that U.S. EIA (Electronic Industries Association) develops together with the companies such as BELL.He is suitable for the communication of message transmission rate within the scope of 0 ~ 20000b/s.This standard to the relevant issues of serial communication interface, as holding wire function, electrical characteristic all make explicit provisions.Because communications equipment vendor produces the communication equipment with RS-232C multiple display modes compatible, therefore, he, as a kind of standard, extensively adopts at present in microcomputer communication interface.
RS-232-C is a kind of serial physical interface standards that EIA EIA (Electronic Industry Association) formulates.RS is the abbreviation of English " proposed standard ", and 232 is identification number, and C represents amendment number of times.RS-232-C bus standard is provided with 25 signal line, comprises a main channel and an accessory channel.Mainly use main channel as a rule, for general duplex communication, only need a few signal line just can realize, as one sends line, a reception line and a ground wire.
The message transmission rate that RS-232-C standard specifies is 50,75,100,150,300,600,1200,2400,4800,9600,19200,38400 bauds.RS-232-C standard specifies, driver allows the capacitive load of 2500pF, and communication distance will limit by this electric capacity, and such as, when adopting the communication cable of 150 pF/m, maximum communication distance is 15m; If the capacitance of every meter of cable reduces, communication distance can increase.Short another reason of transmission range is that RS-232 belongs to single-ended signal transmission, there is Earth noise and can not suppress the problems such as common mode disturbances altogether, is therefore generally used for the communication within 20m.
Adopt intelligent paddy rice draining irrigation system of the present utility model, cannot realize to paddy rice the technical problem that draining automation and irrigation automation cause automaticity lower for prior art simultaneously, in order to water level in paddy field being maintained in the zone of reasonableness of guarantee paddy rice normal growth, determine that in current rice field, height of water level occupies the immersion percentage of whole strain paddy rice height by image recognition technology, determine the pump drainage water yield needed for rice field further, and control water-pumping/draining equipment completes paddy rice automatically draining irrigation according to the required pump drainage water yield, improve the intelligent level of paddy rice draining irrigation system.
Be understandable that, although the utility model with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the utility model.For any those of ordinary skill in the art, do not departing under technical solutions of the utility model ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (7)
1. an intelligent paddy rice draining irrigation system, described Operation system setting is in rice field, it is characterized in that, described system comprises water-pumping/draining equipment, liquid level gauge, camera, image processing equipment and master controller, described water-pumping/draining equipment is used for carrying out pump drainage to water-holding quantity in described rice field, described liquid level gauge is for detecting the height of water level in described rice field, described camera is for taking rice field image, described image processing equipment is connected with to described rice field image image procossing with described camera, described master controller and described water-pumping/draining equipment, described liquid level gauge is connected respectively with described image processing equipment, the pump drainage operation of described water-pumping/draining equipment is controlled based on described processing result image and described height of water level.
2. intelligent paddy rice draining irrigation system as claimed in claim 1, it is characterized in that, described system also comprises:
Flow detector, with described water-pumping/draining equipment connection, to draw water total amount or draining total amount for detecting described water-pumping/draining equipment;
Described water-pumping/draining equipment also comprises
Electromotor, for being extracted out by water-holding quantity in described rice field according to the signal that draws water received, and quits work according to the drain signal received;
Magnetic valve, be arranged in the catch feeder in described rice field, for controlling the closedown of described catch feeder according to the signal that draws water received, also for controlling opening of described catch feeder according to the drain signal received, enter described catch feeder with the irrigation advance controlled above described catch feeder;
Memory device, for storing paddy rice upper limit gray threshold and paddy rice lower limit gray threshold, described memory device also stored for the submerged position pump drainage water yield table of comparisons, described paddy rice upper limit gray threshold and described paddy rice lower limit gray threshold are used for the paddy rice in image and background separation, and the described submerged position pump drainage water yield table of comparisons saves the one-to-one relationship of immersion percentage and the pump drainage water yield;
Described camera is high-definition camera, and resolution is 1280 × 720, is arranged on the top in described rice field, for taking rice field image;
Described image processing equipment comprises image pre-processing unit, image segmentation unit and paddy rice water surface elevation recognition unit, described image pre-processing unit is connected with described camera, for performing contrast strengthen and wavelet filtering successively to described rice field image with output filtering rice field image, described image segmentation unit is connected respectively with described image pre-processing unit and described memory device, for by the pixel identification of gray value between described paddy rice upper limit gray threshold and described paddy rice lower limit gray threshold in the image of described filtering rice field to form multiple paddy rice subgraph, described paddy rice water surface elevation recognition unit is connected with described image segmentation unit, based on the water surface elevation of each each strain paddy rice of paddy rice subgraph identification, also the water surface elevation of average many strains paddy rice is to obtain average water surface elevation,
Described master controller and described water-pumping/draining equipment, described liquid level gauge, described flow detector, described memory device is connected respectively with described image processing equipment, the average water surface elevation summation that the height of water level export described liquid level gauge and described image processing equipment export is to obtain paddy rice height, described height of water level is occupied described paddy rice immersion percentage highly divided by described paddy rice height to obtain described height of water level, the pump drainage water yield corresponding with the described immersion percentage obtained is searched at the described submerged position pump drainage water yield table of comparisons based on the described immersion percentage obtained, and send when the described corresponding pump drainage water yield is pump-out the signal that draws water, drain signal is sent when the described corresponding pump drainage water yield is drainage discharge,
Wireless communication interface, with the irrigation and water conservancy parametric controller wireless connections of far-end, also be connected with described master controller, for by described height of water level, described average water surface elevation, described in the immersion percentage that obtains and the described corresponding pump drainage water yield be wirelessly transmitted to described irrigation and water conservancy parametric controller, and receiving the control instruction of described irrigation and water conservancy parametric controller transmission, described control instruction comprises the pump drainage water yield;
Power supply, is connected with described master controller, for providing power supply supply for the equipment in described system except described power supply, and carries out power supply management under the control of described master controller;
Wherein, draw water total amount or draining total amount that described master controller sends at described flow detector equal the described corresponding pump drainage water yield, stop the pump drainage of described water-pumping/draining equipment to operate;
Wherein, described master controller, described electromotor, described memory device, described power supply are all arranged in the waterproof case of described system.
3. intelligent paddy rice draining irrigation system as claimed in claim 2, is characterized in that:
Described master controller, described memory device and described power supply are integrated on one piece of surface-mounted integrated circuit.
4. intelligent paddy rice draining irrigation system as claimed in claim 2, is characterized in that:
Described electromotor is dc motor.
5. intelligent paddy rice draining irrigation system as claimed in claim 2, is characterized in that:
Described wireless communication interface is the one in GPRS communication interface, 3G communication interface or 4G communication interface.
6. intelligent paddy rice draining irrigation system as claimed in claim 2, it is characterized in that, described system also comprises:
Serial communication interface, is connected with described memory devices, for inputting described storage paddy rice upper limit gray threshold, described paddy rice lower limit gray threshold and the described submerged position pump drainage water yield table of comparisons to described memory device.
7. intelligent paddy rice draining irrigation system as claimed in claim 6, is characterized in that:
Described serial communication interface is RS-232 serial communication interface.
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| CN201420653453.XU CN204180657U (en) | 2014-11-04 | 2014-11-04 | Intelligent paddy rice draining irrigation system |
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| CN201420653453.XU CN204180657U (en) | 2014-11-04 | 2014-11-04 | Intelligent paddy rice draining irrigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104351021A (en) * | 2014-11-04 | 2015-02-18 | 无锡北斗星通信息科技有限公司 | Intelligent rice drainage and irrigation system |
| CN106917100A (en) * | 2017-04-12 | 2017-07-04 | 无锡北斗星通信息科技有限公司 | Automation pipeline rust cleaning system |
-
2014
- 2014-11-04 CN CN201420653453.XU patent/CN204180657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104351021A (en) * | 2014-11-04 | 2015-02-18 | 无锡北斗星通信息科技有限公司 | Intelligent rice drainage and irrigation system |
| CN106917100A (en) * | 2017-04-12 | 2017-07-04 | 无锡北斗星通信息科技有限公司 | Automation pipeline rust cleaning system |
| CN106917100B (en) * | 2017-04-12 | 2018-10-09 | 福鼎诺一家居设计有限公司 | Automate pipeline derusting system |
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