SU1501986A1 - Apparatus for controlling multiple-support frontal sprinkling machine - Google Patents

Abstract

This invention relates to agriculture. The purpose of the invention is to improve the quality of irrigation and save water. The device is installed on a sprinkler machine (DM), including support carriages with electric drives and limit switches connected to the stabilization units of the machine in line. In order to improve the uniformity of irrigation and save irrigation water, the machine is equipped with electrically controlled valves 30 connected between the pipeline and the sprinklers, divided into groups according to the number of limit switches and installed on the pipeline symmetrically to the support carriages. The device includes a heading stabilization device 1 with two blocks 5 and 6 of the left and right wings correction contacts, electric drives 21.24 extreme left and right carriages and two timers 22.23. The contacts are switched in blocks 5 and 6 through mechanical interaction with rods 7 and 8, kinematically connected with the guide cable 4. In addition, the device is equipped with a driver for switching on impulses consisting of the driver 25, the first circuit OR 26 and RS - triggers 30, the number of which is equal to the number of groups of electrically controlled valves, an electronic metering unit made in the form of a counter with a decoder 28, a second circuit OR 27 and a clock pulse generator 31 and an output switch 28. In the speed correction mode DM el ktronno-counting unit via the switch 28 and the pulse shaper incorporation allows to provide proportionality between the average velocity of movement of each sprinkler and medium water flow therethrough. This eliminates the occurrence of over-irrigation zones, improves the uniformity of irrigation and provides savings of irrigation water while managing its irrigation rate by setting the appropriate speed of the sprinkler, which is achieved by changing the settings of the timers. 1 hp f-ly, 1 ill.

Description

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correction cycles of the left and right wings, electric drives 21, 24 of the left and right trolleys and two timers 22, 23. The contacts in blocks 5 and 6 are switched by mechanically interacting with the rods 7 and 8, which are kinematically connected with the guide cable 4 In addition, the device is equipped with a switch-on pulse shaper consisting of a driver 25, a first circuit OR 26 and RS-flip-flops 30, the number of which is equal to the number of groups of electro-controlled valves, an electronic counting unit made in the form of a counter with rum 28, the second scheme OR 27, and the generation. The invention relates to the field of agriculture and can be used in automatic control devices by the movement of a multi-support wide-grip sprinkler front-14).

The aim of the invention is to increase the quality of irrigation and save water.

The drawing shows a block diagram of a control device for a multi-support frontal sprinkler (DM).

The device includes a heading stabilization device 1 (UCS) designed to control the speeds of the leftmost 2 and right extreme 3 carriages and to change the direction of movement of the MACHINE and stabilize it relative to the guide cable 4.

The device 1 stabilization rate includes blocks 5 and 6 contacts of the correction of the left and right wings of the DM, respectively.

To control the UCS, there are two rods 7 and 8 and mechanical connections 9 and 10 connecting the rods 7 and 8 with blocks 5 and 6 of the left and right wing correction contacts, respectively. Rods 7 and 8 are sensing elements sensing the lateral deviations of the machine from the guide cable 4, which is intended to set the direction of movement of the machine. Blocks 5 and 6 of the left and right wing correction pins are intended for switching electrical connections between the elements of the device. The left wing correction contact block includes a group of main contacts 11-14 for controlling the speeds of the extreme lower carriages 2 and 3 and closing contacts 15 and 16 for controlling the switching on of the DM sprinklers. In addition, blocks 5 and 6 of the contacts are provided with additional contacts 17-20 for intermittently turning on the groups of DM sprinklers for different times during

clock pulse 31 and switch outputs 28. In the DM speed correction mode, the electron-counting unit using the switch 28 and the turn-on pulse shaper allows for a proportionality between the average speed of each sprinkler and the average water flow through it. This eliminates the occurrence of over-irrigation zones, improves the uniformity of irrigation and provides savings of irrigation water while managing its irrigation rate by setting the appropriate speed of the sprinkler, which is achieved by changing the settings of the timers. 1 h. item f-ly, 1 ill.

five

depending on their distance from the central support of the DM.

The first disconnecting contact 11 and the second closing contact 13 are designed to disconnect the input of the electric drive 21 of the leftmost carriage 2 in the course correction mode from the output of the first timer 22 and connect it to the output of the second timer 23. The first disconnecting contact 12 and the second closing contact 14 are intended to disconnect in the modes of the machine, at the rate of the input of the electric Q drive 24 of the right-hand side of the trolley 3 from the output iiepi of timer 22 and its connection to the output of the second timer 215 via the switch-on pulse generator with the grinding included formirovagelem 25 and the first OR circuit 26.

The actuators 21 and 24 of the left-handed edge 2 and right edge 3 trucks are designed to set these trucks in motion. The third closing contacts 15 and 16 are used to connect in the output of the first timer 22 of the input of the driver 25 pulses of short duration, coinciding with the leading edge of the command to turn on the actuators from the output of the first timer 22. The fourth fourth disconnecting contacts 17 and 18 are connected in series the second inputs of the first element OR 26 and the second element OR 27 to the power supply in the main mode of movement. The fifth make contacts 19 and 20 serve to connect the first and second control inputs of the switch 28 to the power supply. The output of the driver 25 pulses is fed to the first input of the first element OR 26 and to the first input of the electron-counting unit, the outputs of which are connected to the inputs of the switch 28 of the outputs. The electronic counting unit includes a counter 29 with a decoder at the output and a second

The OR circuit is 27. The electronic counting unit is designed to form, with different delay, the closing commands of the electrically controlled valves 30 through which irrigation water is fed to the machine sprinklers. The switch 28 of the outputs is intended to change the order in which the turn-on commands are issued when the left or right wings of the machine are corrected. The last output of the counter with the decoder 29 is also connected to the first input of the second element OR 27, the output of which is connected to the second input of the counter 29. The output of the generator 31 of clock pulses is connected to the third input of block 29, the periodicity of the signals determines the difference in time delays of commands close the valves 30 generated in the counter 29 of the electronic counting unit.

The output of the first element OR 26 is connected to the installation inputs of all the RS-flip-flops 32, which are designed to command the opening of electric valves. Switch 28 outputs connected to the reset inputs of the RS-flip-flops 32.

The device can be made on serial elements of type VL - 41 or VL-47 (timers 22 and 23), electric motors of the type CHABAREO (drives 21 and 24 carriages), AND, integrated circuits of series K 176, K561, K 155, K 140 (counter 29 with a damper, triggers, OR circuits, driver 25 pulses, switch 28 outputs).

The control unit of the multi-support frontal DM operates as follows.

After switching on the machine from the output of the first timer 22, the first disconnecting contacts 11 and 12, respectively, are fed to the input of the electric drive 21 of the leftmost trolley 2 and to the input of the electric drive 24 of the right extreme trolley 3 pulsed signals are periodically turned on and off by these electric drives, causing the machine to start moving . The speed of its movement is determined by the setting of the first timer 22.

In this, the main mode of movement, the inputs of the first and second elements OR 26 and 27 through the serially connected fourth disconnecting contacts 17 and 18 receive a signal from the power supply. As a result, the output of the first element OR 26 sends a signal to the installation inputs of all RS-flip-flops 32 at once, from whose outputs commands are given to open electrically-controlled valves 30 of all groups of sprinklers. Thus, in the basic mode of movement, all the sprinklers of the machine are turned on, and the fulfillment of a given rate of irrigation is provided with an appropriate ratio of the given speed of movement to the flow of water through the sprinklers. The signal that appears at the output of the second element

OR 27, arrives at the second input of the counter with the decoder 29, blocking the issuing by the resolving block of the commands for closing the valves.

If, under the influence of external disturbing factors (for example, unevenness of the soil), the machine deviates from a given direction of movement (for example, to the left), then after some time the side separation of the machine from the guide cable will exceed a certain specified value. In this case, the rod 8, deflected by the guide cable from the vertical cable to the right, through the mechanical connection 10 will change the state of all contacts in the block 6 of the right wing wing correction module UCS 1. At the same time, the input of the electric actuator 24 of the right end carriage 3 is disconnected by first disconnecting contact 12 from the output of the first timer 22 and is connected to the second closing contact 14 to the output of the second timer 23, which is configured so that its signals provide a slow motion of the right extreme trolley 3. Thereby, the rektsii maschiny Exchange (correction of the right wing). The difference in speed of the left edge 2 and the right edge of 3 carriages causes the machine to turn to the right, reducing the lateral deviation.

At the same time, when entering the correction mode, the output of the first timer 22 by the third closing contact 16 sends the trigger 25 to the input of the driver 25, and the second inputs of the first and second elements OR 26 and 27 are disconnected by the fourth disconnecting contact 18 from the power supply that is connected to the second control The switch's input is 28 outputs. As a result, in the course correction mode, from the output of the driver 25 start pulses through the element OR 26, the inputs of all RS flip-flops 32 will receive pulse signals that coincide in time with the actuator start times specified by the first timer 22. Consequently, at these times the electrically controlled valves 30 will be opened by the output signals of the RS flip-flops 32. At the same time, the counter 29 with the decoder after the arrival of each start pulse at its first input from the output of the driver 25 AET team at the closing elektroupravl proxy valve 30. The number of teams is one less than the number of sprinklers groups. The difference in the delay time of the close commands, successively one after the other, is equal to the period of arrival of the clock pulses to the third input of the counter 29 from the generator output 31 clock pulses. The signal that arrives at the second control input of the switch box 28 of the outputs provides such an order for issuing closing commands to the reset inputs of the RS flip-flops 32,

 The 1 h (in) th group of the drivers is adjacent to the right-most carriage 3, oixa-1ts Otslyuchennaya to the shortest and ;. h m, and I pyiina sprinklers, adjacent to the ninth extreme carriage 2, are not turned off. Thus, in each period of signaling by the first timer 22 in the correction mode of the wing, all the sprinkler groups except the leftmost one will turn on and off, and the time is lined () G (1 state of sprinklers / 1M flash 01 the edge of it: 5 ts. To Zhek, thus the osuiach: is something like 1 nd 11 () - it controls the flow of water through () s.). rain gels, when the cohor is C1) ed and 11, the water flow through the sprinklers is y6iii – vast from hp ipgo l) a ma: iiii to the right, which) t / i. cnc: iiii.KM 1G)) sh. PGY. d.iuk) nponopiuio- 1; |, 1Ы1чс; M1.-Cd with;) sdngy soon. Human Rights, II) / K UMiai p. 1 and average) asx () house in D1, | Mepe; it is the same value for both the u and yro july and pons) counts, and therefore, the measured rate of watering. Thus, c) the 1st mode of the sn11al from the last spin of the combination key .. 1ka 29. 11o looked to) N1IYsi with the greatest number of times 1 (|, through V1K) nd. leMciii 11, U1 27 get on the second | 1 input of the counter-j.ieKT) oHHo-c4CTHoi4) b.yuka, providing the hem itself1) 1m resetting its output comapl .

, i, a 6oK () iioe og.1openiya will become dopos 1OCNP ma. plm nrrani a 8 IK, K 1, deflected nap) Apt. Я1 1н1м cable 4, mushroom. Igip - with to ii) tnka, 1st but. to the south and merg: mechanical connection K) returns the contacts of a b. yuka (i contacts of the core | 5 of the moral in the original mode. 15 rezu.chippe type .1 electric drive 24 moral 11 K1) ayney of the carriage 3 otkhochit second closure kongakt 14 from The output of the second timer (23) and node.1K) is read by first opening contact 12 to the output of nerve timer 22. This will result in the correction mode MaiiiHHiji ending on course and both Kpaiiinie carts 2 and 3 are wearing the end) will move with the same speed. equal to 1) 1 CKopoc iH of the main mode ;. movement, ass; 1inom1 | ) vym timer 22. () bottom 1 5n meppo with ok () on the mode K0 | .i-direction input (() ormirs) watts-; 25 imp.; 1s of start-up o-1t.1yuchs-ts of the start-up of the timer 22, the third close the contact hi, and BTopoJ p |). In the iy iy iho; 1 KOMM ia-iura 28 outputs from the source (.

Pnganp Lfc is closed by coigact 2 (1. In addition to Toi o. signal from source j. ieKii O- nitany, the fourth is disconnected, KouiriK-1T) and 18 will be fed to Bropoii input hsr-; . 1, 1см11Та ГК П 2ii and through the peg;) in OCHD: -) - io mode. The movement of the machine will not be notable for the inputs of the installation 1 h. 1 S-TpHrri) OB 32, ensuring the position of the i; -15

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Indoorly (- s (stonnaya electrically operated valves 30. This same signal from the power source through the fourth disconnecting to (; nakt 18 and through the second element OR 27 at the end of the correction mode will go to the second input of the counter 29 electronic counting unit, block issuing commands to close the valves.

Similarly, the device works in the left wing correction mode. In this mode, the connection and disconnection of the outputs of the first and second timers 22 and 23 to the input of the electric drive 21 of the leftmost trolley 2 are made first (disconnecting switch C1 and the second closing contact 13. Connecting and disconnecting the input of the starting pulse generator 25 to the output of the first timer 22 shipped with 1 i-ivM i si rj) eTbHM closing contact 15. Disconnecting and connecting the source yjit-KTpfjHHTaHHH to the upstream inputs of the first- and second | of the first element OR 26 and 27 of the axis. and to the control hx (Jdv switch 28 out Dot - to - Fifth closing contact 19 Signal supply .i; i and ne () ip1 the control input of the commut.mut 28 outlets provides such a time - the pnc command output to the reset inputs RS - d) ПГеров 32. at which rain group .icii. sticking to the right extreme geo-c .isxe 3. will be enabled permanently, and the group of sprinklers, adjacent to jieBoii extreme trolley 2, will be 1 1t: try for the shortest time in the signal period - V1LM 1; and 1mer) m 22.

 akim obom, in the correction mode le- 1, og (,, i.: ia, average water flow through .. 1e. 1 and decreases from HjiaBoi4) edge manmsch to l (muom, which also provides 1 postviHHcri. o Sloa and you | OLNeniy- (l uinoii norms p.live and in this case.

That lnm (j6pa30M, yenol. Proposed by MOi o vcipoi u.TBa allows you to settle with the flow rate through the sprinklers in the modes of 1 river h and hak, which ensures proportionality between the average speed of the sprinklers and the average consumption io; i.) i through it, which eliminates the appearance, it and: i) it is 1H () of irrigation, thereby improving the uniformity of irrigation and eliminates the irrigation irrigation sooiomy while maintaining control norm according to iHisa. by the imposition of the speed of movement (i.e. nmeni. iiiie.M of timers) of the extreme. lürng te te.1 nezhek DM.

Claims (2)

1. The control unit of multi-support φju) l; t; l. llli (JI; 1E; 1; mashina, including 1–1 1 stabilization course, pod; 1) 1 to 2 gaimers, the task j.iocrn the form of two contact blocks for correcting the position of the left and right wings, which are mechanically connected with rods installed with the ability to interact with the guide cable, as well as the control unit for the electrically controlled sprinkler activation valves, divided into groups according to the number of support carts connected to the source power through the closing contacts of the heading stabilization device, characterized in that, in order to improve the quality of watering and to save water, the device is supplied with / 5 flip-flops, the number of which corresponds to for electrically controlled valves connected between the blocks of the contacts for correcting the position of the right and left wings and the electrically controlled valves, a switch driver, made in the form of serially connected pulse shaper, the first OR circuit and in parallel connected to its output by the RS installation triggers, as well as additional pairs of opening and 3 i ii iKciK) contacts in each block are connected to the heading stabilization device, subsequently connected to the electronic counting unit. the first input of which is connected to series-connected between the power source and the second input of the first circuit OR additional break contacts, and the second - to the driver output, and the switch outputs, two control inputs of which are connected to the additional closing contacts, and outputs to the reset inputs / 5 -triggers. 2. The device according to claim 1, characterized in that the electronic counting unit is designed as a clock pulse generator connected to the counter input with a decoder and includes a second OR circuit connected to the blocking input of the counter, the inputs of which are connected to the last output of the descrambler and the second the input of the first circuit OR.