CN104977622A - Detection apparatus of number of layers of PE tube of reeling type irrigation sprinkler - Google Patents
Detection apparatus of number of layers of PE tube of reeling type irrigation sprinkler Download PDFInfo
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- CN104977622A CN104977622A CN201510385631.4A CN201510385631A CN104977622A CN 104977622 A CN104977622 A CN 104977622A CN 201510385631 A CN201510385631 A CN 201510385631A CN 104977622 A CN104977622 A CN 104977622A
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Abstract
The invention, which belongs to the technical field of the reeling type irrigation sprinkler, provides a detection apparatus of the number of layers of a PE tube of a reeling type irrigation sprinkler. The detection apparatus comprises a moving plate, a static plate, a signal transmitting device, a signal receiving device, and a signal detection system. The moving plate is installed at one end of an irrigation sprinkler press lever shaft; and a press lever is installed on the press lever shaft. The position of the press lever is changed when the number of layers of a PE tube is changed; and then the moving plate position is changed because of the change of the position of the press lever. The static plate is installed on a rack of the irrigation sprinkler. The signal transmitting device and the signal receiving device are installed on the moving plate or the static plate. The signal receiving device receives different signals to output different codes; and the signal detection system determines the number of layers of the PE tube based on the codes of the signal receiving device. According to the invention, the reliability is high; real-time monitoring and displaying can be realized; and the influence by the historical parameters during the irrigation sprinkler operation process can be avoided.
Description
Technical field
The invention belongs to reel sprinkling irrigation machine technical field, be specifically related to a kind of reel sprinkling irrigation machine PE tube layer number pick-up unit.
Background technology
Reel sprinkling irrigation machine is the middle-size and small-size irrigation machinery that a kind of automaticity is higher, and unit area investment is low, and widely use on China northeast, northwest and other places, its automaticity improves constantly in recent years.In the research of irrigation sprinkler, Chinese scholars is all studied the homogeneity of reel sprinkling irrigation machine, agricultural mechanical journal " sprinkling irrigation and flexible pipe irrigation dual-purpose unit rainfall distribution characteristics and test " (o. 11th in 2009) have studied rainfall distribution characteristics and the influence factor thereof of the truss-like sprinkler with reel adopting refraction sprinkler and flexible pipe to irrigate, and points out that the walking speed of douche is one of principal element affecting unit water distribution homogeneity.Therefore, particularly important to the monitoring of irrigation sprinkler PE pipe and sprinkler car recovery speed.
Along with the raising of irrigation sprinkler automaticity, recent year scholar proposes other drive unit except hydroturbine, agricultural research " research of pipe crimping type sprinkling machine capstan speed automatic control system " (the 1st phase in 2007) adopts 51 Single-chip Controlling driving stepper motor reels, achieves the adjustment of sprinkler car speed; Agricultural research " development of translation type sprinkler Driven by Solar Energy automaton " (the 8th phase in 2014) adopts DC servo motor to drive sprinkler car and reel motion in reel sprinkling irrigation machine group.The detection needing to carry out sprinkler car or PE pipe speed when sprinkler car speed reclaims and controls is realized adopting electric drive.In addition, in reel sprinkling irrigation machine actual moving process, user often wishes to know that the travelling speed of irrigation sprinkler is to estimate irrigation sprinkler remaining working time.
Reclaiming speed for detecting field PE pipe, the rotating speed and PE tube layer number that detect reel can be adopted simultaneously, then realize through calculating this indirect measurement method.Patent of invention 201510015574.0 discloses a kind of velocity measuring device, adopts a Hall element to detect the rotating speed of reduction gear box velocity measuring shaft, is converted to the rotating speed of reel according to ratio of gear; The interaction of the magnet put with guiding leading screw by the Hall switch being arranged on capstan winch bracing frame both sides respectively judges PE tube layer number, in conjunction with the linear velocity of reel rotating speed and winding radius calculating field PE pipe corresponding to PE tube layer number.Adopt PE tube layer number on the method determination reel to there is certain defect, be mainly manifested in:
1, the judgement of current PE tube layer number depends on and sprays the length that when starting, PE pipe launches, and can not adapt to the change of different PE pipe initial deployment length;
2, the judgement reliability of current PE tube layer number is lower, the Hall switch of capstan winch bracing frame both sides in whole irrigation sprinkler operational process due to mistake that the instability of external disturbance or detection can cause PE tube layer number to judge; When deadlock or dump and restart appear in Single Chip Microcomputer (SCM) system in whole irrigation sprinkler operational process, easily cause the loss of history heat transfer agent and make late detection inaccurate.
Summary of the invention
Order of the present invention is to overcome the deficiencies in the prior art, and a kind of low cost is provided, the reel sprinkling irrigation machine PE tube layer number pick-up unit that reliability is high, achieves PE tube layer number on Real-Time Monitoring reel, provides reliable PE tube layer number information to the field PE pipe velocity measuring of indirect type.
Technical scheme of the present invention is: a kind of reel sprinkling irrigation machine PE tube layer number pick-up unit, described reel sprinkling irrigation machine PE tube layer number pick-up unit is arranged on described reel sprinkling irrigation machine, the depression bar that described reel sprinkling irrigation machine comprises reel, some layers of PE pipe, frame, pressure shaft and is arranged on described pressure shaft, described reel sprinkling irrigation machine PE tube layer number pick-up unit comprises moving plate, still, sender unit, signal receiving device and signal detection system;
Described moving plate is arranged on one end of irrigation sprinkler pressure shaft, described still is arranged in described frame, described moving plate and still close to each other and parallel to each other, described sender unit and described signal receiving device are arranged on described moving plate or described still, described signal detection system is electrically connected with described signal receiving device, described depression bar rotates around pressure shaft, described depression bar is pressed on described PE pipe, described PE tube layer number change causes described depression bar change in location, described depression bar change in location causes described pressure shaft to rotate, thus described moving plate position is changed, the change in location of described moving plate makes described signal receiving device receive different signals, described signal detection system determines the number of plies of described PE pipe according to described signal.
In such scheme, described signal detection system comprises power module, signal processing module, one-chip computer module and display module;
Described power module is used for power supply;
Whether described signal receiving device is according to the signal that sender unit sends being detected and export different voltage, and described voltage is processed into standard low and high level signal combination by described signal processing module; Described one-chip computer module reads described standard low and high level signal combination, judges the number of plies of current described PE pipe according to the combination of described standard low and high level signal, and controls the number of plies of the current described PE pipe of described display module display.
In such scheme, described moving plate and described still are stiff sheet; Described moving plate is fan-shaped, and described still is rectangle, and the distance between described moving plate and described still is no more than 5 centimetres.
In such scheme, described sender unit is infrared transmitting tube, and described signal receiving device is infrared receiving tube;
An infrared transmitting tube F installed by described still
1, four infrared receiving tubes along the circumferential direction installed by described moving plate, and described four infrared receiving tubes are followed successively by infrared receiving tube A
1, infrared receiving tube A
2, infrared receiving tube A
3, infrared receiving tube A
4; The infrared signal that described four infrared receiving tubes are relative with the position of described infrared transmitting tube to be made described four infrared receiving tubes can receive described infrared transmitting tube to launch.
Further, being equipped with dividing plate between adjacent described infrared receiving tube avoids adjacent described infrared receiving tube to be interfered mutually when receiving the infrared signal that described infrared transmitting tube is launched.
In such scheme, described sender unit and described signal receiving device are combined into optoelectronic transceiver to pipe.
Further, described moving plate along the circumferential direction installs four to described optoelectronic transceiver to pipe, and described four are followed successively by optoelectronic transceiver to pipe D to described optoelectronic transceiver to pipe
1, optoelectronic transceiver is to pipe D
2, optoelectronic transceiver is to pipe D
3with optoelectronic transceiver to pipe D
4, the transverse width of described still can block optoelectronic transceiver described in a pair to pipe, when described still successively with described optoelectronic transceiver to pipe position relative to time described optoelectronic transceiver can be reflected back the infrared signal that pipe is launched.
Further, often pair of described optoelectronic transceiver is equipped with dividing plate between pipe.
In such scheme, described still laterally places two successively to described optoelectronic transceiver to pipe, and described optoelectronic transceiver is respectively optoelectronic transceiver to pipe D to pipe
5with optoelectronic transceiver to pipe D
6, described moving plate has two apertures, the position of described aperture corresponds to described optoelectronic transceiver to the position of pipe, when described optoelectronic transceiver is overlapping with described aperture position to pipe, the signal that described sender unit is launched is through described aperture, described light signal receiving can not receive signal, when described optoelectronic transceiver staggers with described aperture position to pipe, the signal that described sender unit is launched is reflected by described moving plate, described signal receiving device can receive signal, different with the relative position of described still by described moving plate, produce four kinds of described standard low and high level signal combination, described signal detection system determines the number of plies of described PE pipe according to four kinds of described standard low and high level signal combination.
In such scheme, the longitudinal placement two of described still to pipe, is respectively described optoelectronic transceiver to pipe D to described optoelectronic transceiver
7with optoelectronic transceiver to pipe D
8, described moving plate 4 has four apertures, the position of described aperture corresponds to described optoelectronic transceiver to the position of pipe, when described optoelectronic transceiver is overlapping with described aperture position to pipe, the signal that described sender unit is launched is through described aperture, described light signal receiving can not receive signal, when described optoelectronic transceiver staggers with described aperture position to pipe, the signal that described sender unit is launched is reflected by described moving plate, described signal receiving device can receive signal, different with the relative position of described still by described moving plate, produce four kinds of described standard low and high level signal combination, described signal detection system determines the number of plies of described PE pipe according to four kinds of described standard low and high level signal combination.
The invention has the beneficial effects as follows: compared with prior art the present invention utilizes the change of depression bar position when different PE tube layer number, design described moving plate and described still, and on described moving plate or described still, described sender unit and described signal receiving device are installed, the signal described signal receiving device being received by described signal detection system is converted to the number of plies that standard low and high level signal combination judges current described PE pipe, wherein, minimum described optoelectronic transceiver can be used pipe to be realized to the Real-Time Monitoring of the number of plies of described PE pipe when adopting " scale-of-two " to encode, and not by the impact of the factor such as external interference signals or system cut-off, this backrush layer pick-up unit reliability is high, can realize measuring in real time, anti-external disturbance ability is strong, detection mode is directly effective, not by the impact of irrigation sprinkler operational process history parameters.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention.
Fig. 2 ~ Fig. 5 is moving plate and the still interaction schematic diagram of the embodiment of the present invention one, and corresponding described moving plate is from the change in location of P1 ~ P4 respectively.
Fig. 6 ~ Fig. 9 is moving plate and the still interaction schematic diagram of the embodiment of the present invention two, and corresponding described moving plate is from the change in location of P1 ~ P4 respectively.
Figure 10 ~ Figure 13 is moving plate and the still interaction schematic diagram of the embodiment of the present invention three, and corresponding described moving plate is from the change in location of P1 ~ P4 respectively.
Figure 14 ~ Figure 17 is moving plate and the still interaction schematic diagram of the embodiment of the present invention four, and corresponding described moving plate is from the change in location of P1 ~ P4 respectively.
Figure 18 is signal detection system structural representation of the present invention.
In figure, 1, reel; 2, PE pipe; 3, depression bar; 4, moving plate; 5, still; 6, pressure shaft; 7, frame; 8, infrared transmitting tube F
1; 9, infrared receiving tube A
1; 10, infrared receiving tube A
2, 11, infrared receiving tube A
3, 12, infrared receiving tube A
4; 13, dividing plate; 14, optoelectronic transceiver is to pipe D
1; 15, optoelectronic transceiver is to pipe D
2; 16, optoelectronic transceiver is to pipe D
3; 17, optoelectronic transceiver is to pipe D
4; 18, optoelectronic transceiver is to pipe D
5; 19, optoelectronic transceiver is to pipe D
6; 20, optoelectronic transceiver is to pipe D
7; 21, optoelectronic transceiver is to pipe D
8; 22, aperture; 23, power module; 24, signal processing module; 25, one-chip computer module; 26, display module.
Embodiment
In describing the invention, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to this.
Be illustrated in figure 1 the embodiment of a kind of reel sprinkling irrigation machine PE tube layer number pick-up unit of the present invention, in this embodiment, described reel sprinkling irrigation machine is JP75 type reel sprinkling irrigation machine, described reel sprinkling irrigation machine comprises reel 1, PE pipe 2, pressure shaft 6, is arranged on depression bar 3 on described pressure shaft 6 and frame 7, the total number of plies of described PE pipe 2 is 4 layers, is the 1st layer to the 4th layer from inside to outside.Along with described reel 1 rotates, described PE pipe 2 is wound on described reel 1 layer by layer.
Described reel sprinkling irrigation machine PE tube layer number pick-up unit is arranged on described reel sprinkling irrigation machine, and described a kind of reel sprinkling irrigation machine PE tube layer number pick-up unit, comprises moving plate 4, still 5, sender unit, signal receiving device and signal detection system.
Described moving plate 4 is arranged on one end of irrigation sprinkler pressure shaft 6, and described still 5 is arranged in described frame 7, and described moving plate 4 is close to each other and parallel to each other with still 5; Described in the corresponding every one deck of described depression bar 3, the position of PE pipe 2 is all relatively-stationary, described depression bar 3 rotates around pressure shaft 6, described depression bar 3 is pressed on described PE pipe 2, described PE pipe 2 number of plies change causes described depression bar 3 change in location, the change of described depression bar 3 position causes described pressure shaft 6 to rotate, thus described moving plate 4 position is changed, when described PE pipe 2 number of plies is 1 layer to 4 layers, corresponding moving plate 4 is designated as P1 to P4 successively with still 5 relative position.
Described sender unit and described signal receiving device are arranged on described moving plate 4 or described still 5, described signal detection system is electrically connected with described signal receiving device, the change in location of described moving plate 4 makes described signal receiving device receive different signals, and described signal detection system determines the number of plies of described PE pipe 2 according to described signal.
Described moving plate 4 is stiff sheet with described still 5; Described moving plate 4 is fan-shaped, and described still 5 is rectangle, and the distance between described moving plate 4 and described still 5 is no more than 5 centimetres, makes the signal between the described sender unit that detects and described signal receiving device more reliable.
As shown in figure 18, described signal detection system comprises power module 23, signal processing module 24, one-chip computer module 25 and display module 26.Described power module 23, for power supply, adopts accumulator, after the voltage stabilizing of voltage stabilizing chip, give each module for power supply, whether described signal receiving device is according to the signal that sender unit sends being detected and export different voltage, the output signal of described signal receiving device is processed into standard low and high level signal by described signal processing module 24, when described signal receiving device receives the signal of described sender unit, corresponding output is high level, be designated as " 1 ", when described signal receiving device does not receive the signal of described sender unit, corresponding output is low level, be designated as " 0 ", described standard low and high level signal combination detects for described one-chip computer module 25 pin by described signal processing module 24, described signal processing module 24 preferably have employed LM393 voltage comparator, described one-chip computer module 25 detects the described standard low and high level signal combination on pin, by detecting single-chip microcomputer pin level corresponding to described signal receiving device output signal, the relation corresponding with the number of plies with standard low and high level signal preset in described one-chip computer module 25, judge the number of plies of current described PE pipe 2, and control the display of described display module 26, described one-chip computer module 25 preferably adopts MSP430F149, and described display module 26 preferably have employed 12864 LCDs.
Embodiment one:
Described sender unit can be infrared transmitting tube, and described signal receiving device can be infrared receiving tube.
As shown in Figures 2 to 5, an infrared transmitting tube F installed by described still 5
18, four infrared receiving tubes installed by described moving plate 4, and described four infrared receiving tubes are followed successively by infrared receiving tube A
19, infrared receiving tube A
210, infrared receiving tube A
311, infrared receiving tube A
412; Described four infrared receiving tubes and described infrared transmitting tube F
18 is identical at radius circumferentially, the infrared signal that described four infrared receiving tubes are relative with the position of described infrared transmitting tube to be made described four infrared receiving tubes can receive described infrared transmitting tube to launch.Between adjacent two described infrared receiving tubes, be provided with dividing plate 13, avoid adjacent described infrared receiving tube at the described infrared transmitting tube F of reception
18 launch infrared signal time be interfered mutually.
When described moving plate 4 and described still 5 relative position are followed successively by P1, P2, P3, P4, described infrared receiving tube A
19, infrared receiving tube A
210, infrared receiving tube A
311, infrared receiving tube A
412 receive infrared signal respectively, described signal processing module 24 outputting standard low and high level signal combination, therefore, when described PE pipe 2 changes from 1 layer to 4 layers, corresponding output signal is followed successively by: " 1000 ", " 0100 ", " 0010 ", " 0001 ", described one-chip computer module 25 reads described standard low and high level signal combination, the number of plies of current described PE pipe 2 can be known according to the numbering of the described infrared receiving tube of outputting standard low and high level signal, and control described display module 26 and show current results.
Embodiment two:
Described sender unit and described signal receiving device are combined into optoelectronic transceiver to pipe.
As shown in Figures 6 to 9, described moving plate 4 along the circumferential direction installs four to described optoelectronic transceiver to pipe, and described four are followed successively by optoelectronic transceiver to pipe D to described optoelectronic transceiver to pipe
114, optoelectronic transceiver is to pipe D
215, optoelectronic transceiver is to pipe D
316 and optoelectronic transceiver to pipe D
417, often pair of described optoelectronic transceiver, to being equipped with dividing plate 13 between pipe, avoids adjacent described optoelectronic transceiver to be interfered mutually when receiving and dispatching infrared signal to pipe.The transverse width of described still 5 can block optoelectronic transceiver described in a pair to pipe, when the position of described moving plate 4 changes, the infrared signal that described sender unit is launched can reflect back by described still 5 successively, and described signal receiving device can receive different signals.
In the present embodiment, when described moving plate 4 and described still 5 relative position are followed successively by P1, P2, P3, P4, described optoelectronic transceiver is to pipe D
114, optoelectronic transceiver is to pipe D
215, optoelectronic transceiver is to pipe D
316 and optoelectronic transceiver to pipe D
417 are blocked by described still 5 successively, and receive different signals, described signal processing module 24 outputting standard low and high level signal combination, therefore, when described PE pipe 2 changes from 1 layer to 4 layers, corresponding output signal is followed successively by: " 1000 ", " 0100 ", " 0010 ", " 0001 ", described one-chip computer module 25 reads described standard low and high level signal combination, the number of plies of current described PE pipe 2 can be known according to the numbering of the described infrared receiving tube of outputting standard low and high level signal, and control described display module 26 and show current results.
Embodiment three:
Described sender unit and described signal receiving device are combined into optoelectronic transceiver to pipe.
As shown in Figure 10 to Figure 13, described still 5 laterally places two successively to described optoelectronic transceiver to pipe, and described optoelectronic transceiver is respectively optoelectronic transceiver to pipe D to pipe
518 and optoelectronic transceiver to pipe D
619, when described moving plate 4 is followed successively by P1, P2, P3, P4 with described still 5 relative position, described moving plate 4 has an aperture 22 in the position of P1 and P2, and described aperture 22 is identical with the radius of a circle of described optoelectronic transceiver to pipe.The position of described aperture 22 corresponds to described optoelectronic transceiver to the position of pipe, when described optoelectronic transceiver is overlapping with described aperture 22 to pipe, the signal that described sender unit is launched is through described aperture 22, described light signal receiving can not receive signal, when described optoelectronic transceiver staggers with described aperture 22 position to pipe, the signal that described sender unit is launched is reflected by described moving plate 4, described signal receiving device can receive signal, different with the relative position of described still 5 by described moving plate 4, produce four kinds of described standard low and high level signal combination, described signal detection system determines the number of plies of described PE pipe 2 according to four kinds of described standard low and high level signal combination.In the present embodiment, when described moving plate 4 is followed successively by P1, P2, P3, P4 with described still 5 relative position, described optoelectronic transceiver is to pipe D
518 and optoelectronic transceiver to pipe D
619 receive different signals, the standard low and high level signal combination that described signal processing module 24 exports is respectively " 10 ", " 00 ", " 01 ", " 11 ", described one-chip computer module 25 reads described standard low and high level signal combination, the number of plies of current described PE pipe 2 can be known according to the numbering of the described infrared receiving tube of outputting standard low and high level signal, and control described display module 26 and show current results.
Embodiment four:
Described sender unit and described signal receiving device are combined into optoelectronic transceiver to pipe.
As shown in Figure 14 to Figure 17, the longitudinal placement two of described still 5 to pipe, is respectively described optoelectronic transceiver to pipe D to described optoelectronic transceiver
720 and optoelectronic transceiver to pipe D
821, described moving plate 4 is followed successively by P1, P2, P3, P4 with described still 5 relative position, described moving plate 4 has four apertures 22, and the position of described aperture 22 corresponds to described optoelectronic transceiver to the position of pipe, wherein, two described apertures 22 and described optoelectronic transceiver are to pipe D
7the radius of a circle of 17 is identical and lay respectively on the position of P1 and P3, and described in two other, aperture 22 and optoelectronic transceiver are to pipe D
8the radius of a circle of 21 is identical and lay respectively on the position of P1 and P2.
When described optoelectronic transceiver is to pipe and described aperture 22 location overlap, the signal that described sender unit is launched is through described aperture 22, described light signal receiving can not receive signal, when described optoelectronic transceiver staggers with described aperture 22 position to pipe, the signal that described sender unit is launched is reflected by described moving plate 4, described signal receiving device can receive signal, different with the relative position of described still 5 by described moving plate 4, produce four kinds of described standard low and high level signal combination, described signal detection system determines the number of plies of described PE pipe 2 according to four kinds of described standard low and high level signal combination.
In the present embodiment, when described moving plate 4 is followed successively by P1, P2, P3, P4 with described still 5 relative position, described optoelectronic transceiver is to pipe D
720 and optoelectronic transceiver to pipe D
821 receive different signals, the standard low and high level signal combination that described signal processing module 24 exports is respectively " 00 ", " 10 ", " 01 ", " 11 ", described one-chip computer module 25 reads described standard low and high level signal combination, the number of plies of current described PE pipe 2 can be known according to the numbering of the described infrared receiving tube of outputting standard low and high level signal, and control described display module 26 and show current results.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (10)
1. a reel sprinkling irrigation machine PE tube layer number pick-up unit, described reel sprinkling irrigation machine PE tube layer number pick-up unit is arranged on described reel sprinkling irrigation machine, the depression bar (3) that described reel sprinkling irrigation machine comprises reel (1), some layers of PE manages (2), frame (7), pressure shaft (6) and be arranged on described pressure shaft (6), it is characterized in that, described reel sprinkling irrigation machine PE tube layer number pick-up unit comprises moving plate (4), still (5), sender unit, signal receiving device and signal detection system;
Described moving plate (4) is arranged on one end of irrigation sprinkler pressure shaft (6), described still (5) is arranged in described frame (7), described moving plate (4) is close to each other and parallel to each other with still (5), described sender unit and described signal receiving device are arranged on described moving plate (4) or described still (5), described signal detection system is electrically connected with described signal receiving device, described depression bar (3) rotates around pressure shaft (6), described depression bar (3) is pressed in described PE and manages on (2), described PE manages the change of (2) number of plies and causes described depression bar (3) change in location, described depression bar (3) change in location causes described pressure shaft (6) to rotate, thus described moving plate (4) position is changed, the change in location of described moving plate (4) makes described signal receiving device receive different signals, according to described signal, described signal detection system determines that described PE manages the number of plies of (2).
2. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 1, it is characterized in that, described signal detection system comprises power module (23), signal processing module (24), one-chip computer module (25) and display module (26);
Described power module (23) is for power supply;
Whether described signal receiving device is according to the signal that sender unit sends being detected and export different voltage, and described voltage is processed into standard low and high level signal combination by described signal processing module (24); Described one-chip computer module (25) reads described standard low and high level signal combination, judge the number of plies of current described PE pipe (2) according to the combination of described standard low and high level signal, and control the number of plies that described display module (26) shows current described PE pipe (2).
3. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 1, is characterized in that, described moving plate (4) and described still (5) are stiff sheet; Described moving plate (4) is for fan-shaped, and described still (5) is rectangle, and the distance between described moving plate (4) and described still (5) is no more than 5 centimetres.
4. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 1, it is characterized in that, described sender unit is infrared transmitting tube, and described signal receiving device is infrared receiving tube;
The upper installation infrared transmitting tube F of described still (5)
1(8), described moving plate (4) along the circumferential direction installs four infrared receiving tubes, and described four infrared receiving tubes are followed successively by infrared receiving tube A
1(9), infrared receiving tube A
2(10), infrared receiving tube A
3(11), infrared receiving tube A
4(12); The infrared signal that described four infrared receiving tubes are relative with the position of described infrared transmitting tube to be made described four infrared receiving tubes can receive described infrared transmitting tube to launch.
5. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 4, it is characterized in that, be equipped with dividing plate (13) between adjacent described infrared receiving tube and avoid adjacent described infrared receiving tube to be interfered mutually when receiving the infrared signal that described infrared transmitting tube is launched.
6. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 1, it is characterized in that, described sender unit and described signal receiving device are combined into optoelectronic transceiver to pipe.
7. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 6, is characterized in that, described moving plate (4) along the circumferential direction installs four to described optoelectronic transceiver to pipe, and described four are followed successively by optoelectronic transceiver to pipe D to described optoelectronic transceiver to pipe
1(14), optoelectronic transceiver is to pipe D
2(15), optoelectronic transceiver is to pipe D
3(16) and optoelectronic transceiver to pipe D
4(17), the transverse width of described still (5) can block optoelectronic transceiver described in a pair to pipe, when described still (5) successively with described optoelectronic transceiver to pipe position relative to time described optoelectronic transceiver can be reflected back the infrared signal that pipe is launched.
8. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 7, is characterized in that, often pair of described optoelectronic transceiver is to being equipped with dividing plate (13) between pipe.
9. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 6, is characterized in that, described still (5) laterally places two successively to described optoelectronic transceiver to pipe, and described optoelectronic transceiver is respectively optoelectronic transceiver to pipe D to pipe
5(18) and optoelectronic transceiver to pipe D
6(19), described moving plate (4) has two apertures (22), the position of described aperture (22) corresponds to described optoelectronic transceiver to the position of pipe, when described optoelectronic transceiver is to pipe and described aperture (22) location overlap, the signal that described sender unit is launched is through described aperture (22), described light signal receiving can not receive signal, when described optoelectronic transceiver staggers with described aperture (22) position to pipe, the signal that described sender unit is launched is reflected by described moving plate (4), described signal receiving device can receive signal, different with the relative position of described still (5) by described moving plate (4), produce four kinds of described standard low and high level signal combination, according to four kinds of described standard low and high level signal combination, described signal detection system determines that described PE manages the number of plies of (2).
10. reel sprinkling irrigation machine PE tube layer number pick-up unit according to claim 6, is characterized in that, the longitudinal placement two of described still (5) to pipe, is respectively described optoelectronic transceiver to pipe D to described optoelectronic transceiver
7(20) and optoelectronic transceiver to pipe D
8(21), described moving plate 4 has four apertures (22), the position of described aperture (22) corresponds to described optoelectronic transceiver to the position of pipe, when described optoelectronic transceiver is to pipe and described aperture (22) location overlap, the signal that described sender unit is launched is through described aperture (22), described light signal receiving can not receive signal, when described optoelectronic transceiver staggers with described aperture (22) position to pipe, the signal that described sender unit is launched is reflected by described moving plate (4), described signal receiving device can receive signal, different with the relative position of described still (5) by described moving plate (4), produce four kinds of described standard low and high level signal combination, according to four kinds of described standard low and high level signal combination, described signal detection system determines that described PE manages the number of plies of (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385631.4A CN104977622B (en) | 2015-06-30 | 2015-06-30 | A kind of reel sprinkling irrigation machine PE tube layer number detection means |
Applications Claiming Priority (1)
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| CN114208637A (en) * | 2021-12-13 | 2022-03-22 | 江苏大学 | PE pipe operation monitoring device and monitoring method for reel type sprinkler |
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| CN104977622B (en) | 2018-02-27 |
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