CN203643769U - Full-automatic control device for agricultural frost-prevention machine - Google Patents
Full-automatic control device for agricultural frost-prevention machine Download PDFInfo
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- CN203643769U CN203643769U CN201320742540.8U CN201320742540U CN203643769U CN 203643769 U CN203643769 U CN 203643769U CN 201320742540 U CN201320742540 U CN 201320742540U CN 203643769 U CN203643769 U CN 203643769U
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Abstract
The utility model discloses a full-automatic control device for an agricultural frost-prevention machine, and belongs to the field of agricultural mechanical automation. A conventional agricultural frost-prevention machine cannot achieve the full-automatic control, thereby causing the low efficiency of the frost-prevention machine, and enabling the dust prevention effect to be limited. The device provided by the utility model employs a height sensor and an angle sensor for detecting the operation parameters of the frost-prevention machine. The parameters comprise a hydraulic lifting and descending vertical column height, a fan depression, a fan rotation speed, a PTZ rotation range, and a PTZ rotation period. A collection control terminal is used for collecting the signals of the height sensor and the angle sensor, and controlling an oil pump, a solenoid valve, an electric-telescoping-rod drive motor, a frequency converter, a stepping driver, thereby achieving the full-automatic control of the hydraulic lifting and descending vertical column height, the fan depression, the fan rotation speed, the PTZ rotation range and the PTZ rotation period. The device provided by the utility model can achieve the full-automatic control of the agricultural frost-prevention machine, can improve the effect of frost prevention and the service efficiency of the frost-prevention machine, is suitable for the full-automatic control of the frost-prevention machine in a complex environment.
Description
Technical field
The utility model belongs to Machinery Automation and agrometeorological hazard is resisted field, relates to a kind of device for automatically controlling and method of agricultural frost preventing machine.
Background technology
In recent years, low temperature freezing-disaster weather has brought serious loss to China crops.In existing domestic and international frost preventing machine, the parameters such as column height, rotation speed of fan, cloud platform rotation cycle, are all rule of thumb obtain and immobilize, and in the time dispatching from the factory, have set; The blower fan angle of depression of some frost preventing machine is variable, but is limited several fixed angle, and must adjust manually; Cloud platform rotation scope, only for one or limited fixed angle, also needs to adjust manually.
U.S. Pat 5244346 discloses a kind of portable demisler, removable and easy for installation, and its column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation cycle, cloud platform rotation scope are all immutable.U.S. Pat 805242 discloses a kind of tower frost preventing machine, utilizes gear drive, can realize blower fan and swing within the scope of 360 °, rotates in any angular range but can not control it.The patent No. is 201120394220.9 Chinese utility model, a kind of frost prevention machine for plant is disclosed, its angle of depression is adjustable, scope is between 20 ° ~ 45 °, but must regulate manually, its blower fan swings and realizes by crank-rocker mechanism, and hunting range is 90 ° to the maximum, and can only in this angular range, swing, can not in any angular range, swing.The disclosed frost preventing machine of above patent all can not be realized column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation cycle, cloud platform rotation scope Automatic Control.The patent No. is the United States Patent (USP) of US20120093646A1, disclose a kind of based on satellite and network communication, carry out the method for frost prevention group of planes location and controlling run, can adjust the flow direction, wind speed and the inclination angle of blower fan according to meteorological condition and landform, but not relate to the Automatic Control of frost preventing machine structural parameters.
Summary of the invention
Can not realize Automatic Control for existing domestic and international frost preventing machine, cause frost preventing machine service efficiency low, antifrost effect is limited.Frost preventing machine the utility model object has been to provide a kind of device for automatically controlling of agricultural frost preventing machine, to realize hydraulic lifting column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation scope, the Automatic Control in cloud platform rotation cycle, and for adjustable arbitrarily, without regulating manually, can adjust frost preventing machine operational factor according to the condition such as landform, inversion, to improve antifrost effect and frost preventing machine service efficiency.
In order to solve above technical matters, the technical solution adopted in the utility model is as follows:
A kind of device for automatically controlling of agricultural frost preventing machine, comprise control terminal for data acquisition (10), it is characterized in that: also comprise hydraulic lifting column (1), height sensor (2), variable-frequency motor (4), angular transducer (8), electric expansion bar (12), stepper motor (15), step actuator (16), solenoid valve (19), oil pump (21);
Described hydraulic lifting column (1) fixedly mounts on the ground; Described height sensor (2) is fixedly mounted on the lower surface of the fixed support dish (18) of The Cloud Terrace (3), and the impact of position while not being subject to the work of hydraulic lifting column (1) and fan blade (9); Described variable-frequency motor (4) is arranged on rotational support dish (17) upper surface of The Cloud Terrace (3), and the output shaft of variable-frequency motor (4) is connected with the assembling axle in pitching support tube (6) by shaft coupling (5);
Described angular transducer (8) is fixedly mounted in the installation shaft of pitching support tube (6) one end; Described electric expansion bar (12) top is connected with blower fan support tube (6) afterbody by bolt, and the coupling assembly on bottom and The Cloud Terrace (3) rotational support dish (17) is bolted;
Described stepper motor (15) is fixedly installed in fixed support dish (18) lower surface of The Cloud Terrace (3), and the output shaft of stepper motor (15) is connected with gear (13) axle through fixed support dish (18) through hole; Described step actuator (16) is fixedly mounted on described stepper motor (15);
Described solenoid valve (19), oil pump (21) are the ingredient of hydraulic power unit (11), solenoid valve (19) is installed on the valve plate (22) on fuel tank (20) surface, oil pump (21) is connected with fuel tank (20), and hydraulic power unit (11) is fixedly installed in the position near hydraulic lifting column (1) on ground; Described control terminal for data acquisition (10) is fixedly mounted on the non-lifting position of hydraulic lifting column (1), so that artificial execute-in-place does not affect the normal work of hydraulic lifting column (1); Described height sensor (2), angular transducer (8) are all connected with control terminal for data acquisition (10) input end, the frequency converter of variable-frequency motor (4), the drive motor of electric expansion bar (12), step actuator (16), solenoid valve (19), oil pump (21) are all connected with control terminal for data acquisition (10) output terminal.
Described The Cloud Terrace (3) can be at reciprocating rotation in any angular range.
the utility model principle of work and process are:according to conditions such as landform, crop varieties, inversions, adjust hydraulic lifting column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation scope, cloud platform rotation cycle, to improve antifrost effect.
Utilize height sensor (2), angular transducer (8) to detect the operational factor of frost preventing machine, comprise hydraulic lifting column height, the blower fan angle of depression
, rotation speed of fan, cloud platform rotation scope, cloud platform rotation cycle, control terminal for data acquisition (10) pick-up transducers signal, and frequency converter, electric expansion bar (12) drive motor, step actuator (16) to solenoid valve (19), oil pump (21), variable-frequency motor (4) control, thereby realize hydraulic lifting column height, the blower fan angle of depression
, rotation speed of fan, cloud platform rotation scope, the Automatic Control in cloud platform rotation cycle.
Control hydraulic lifting column height: utilize height sensor (2) to detect in real time hydraulic lifting column height, control terminal for data acquisition (10) gathers height sensor (2) signal, and compare with setting hydraulic lifting column height value, judge control oil pump (21) start and stop, solenoid valve (19) power on/off.
Control the blower fan angle of depression
: utilize angular transducer (8) to detect in real time the blower fan angle of depression
, control terminal for data acquisition (10) acquisition angles sensor (8) signal, and with set the blower fan angle of depression
value compares, and judges, and controls drive motor rotating and the power on/off of electric expansion bar (12).
Control rotation speed of fan: control terminal for data acquisition (10) is controlled the frequency converter output frequency of variable-frequency motor (8), thereby control the rotating speed of blower fan.
Control cloud platform rotation cycle and cloud platform rotation scope: control terminal for data acquisition (10) control step driver (16) produces the pulse of certain frequency and number, Driving Stepping Motor (15), makes The Cloud Terrace (3) rotate with slewing area and the rotation period set.
the beneficial effect the utlity model has.The utility model, by hydraulic lifting column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation scope, cloud platform rotation cycle are realized to Automatic Control, without regulating manually, and is that arbitrary continuation is adjustable, has improved the service efficiency of blower fan; Can adjust frost preventing machine operational factor according to conditions such as landform, crop varieties, inversions, thereby improve antifrost effect, reduce crops freeze injury loss, improve crops quality; Rotation speed of fan is not set with hydraulic lifting column height, the blower fan angle of depression, cloud platform rotation cycle, cloud platform rotation scope simultaneously, has avoided rotating because of blower fan the vibration and the impact that cause.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.
Fig. 1 is the structure composition schematic diagram of the agricultural frost preventing machine of the utility model;
Fig. 2 is the agricultural frost preventing machine The Cloud Terrace of the utility model part-structure schematic diagram;
Fig. 3 is the utility model hydraulic pump station structure composition schematic diagram;
Fig. 4 is the utility model control system the general frame.
In figure: 1 hydraulic lifting column, 2 height sensors, 3 The Cloud Terraces, 4 variable-frequency motors, 5 shaft couplings, 6 blower fan support tubes, 7 pitching bracing frames, 8 angular transducers, 9 fan blades, 10 control terminal for data acquisition, 11 hydraulic power units, 12 electric expansion bars, 13 gears, 14 external tooth turntable bearings, 15 stepper motors, 16 step actuators, 17 rotational support dishes, 18 fixed support dishes, 19 solenoid valves, 20 fuel tanks, 21 oil pumps, 22 valve plates, 23 oil pipes; The blower fan angle of depression
, be blower fan support tube 6 and the angle of rotational support dish 17 upper surfaces.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.Should be understood that, embodiment described herein, only for description and interpretation the utility model, does not form restriction of the present utility model.
As depicted in figs. 1 and 2, each parts of the utility model system are connected.
System the Nomenclature Composition and Structure of Complexes of the present utility model as shown in Figure 1, Figure 2 and Figure 3, comprises hydraulic lifting column 1, height sensor 2, The Cloud Terrace 3, variable-frequency motor 4, shaft coupling 5, blower fan support tube 6, pitching bracing frame 7, angular transducer 8, fan blade 9, control terminal for data acquisition 10, hydraulic power unit 11, electric expansion bar 12, gear 13, external tooth turntable bearing 14, stepper motor 15, step actuator 16, rotational support dish 17, fixed support dish 18, solenoid valve 19, fuel tank 20, oil pump 21, valve plate 22, oil pipe 23.
Control system the general frame of the present utility model as shown in Figure 4, monitor the signal of height sensor 2, angular transducer 8 by control terminal for data acquisition 10, and control frequency converter, electric expansion bar 12 drive motor, the step actuator 16 of solenoid valve 19, oil pump 21, variable-frequency motor 4, thereby realize hydraulic lifting column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation scope, the Automatic Control in cloud platform rotation cycle.
Control terminal for data acquisition 10 adopts SIEMENS S 7-200 PLC; Height sensor 2 adopts stay wire displacement sensor, measure stroke and be 10m to the maximum, its bracing wire end is fixedly mounted on the lower surface of the fixed support dish 18 of The Cloud Terrace 3, and scrambler and wheel hub one end are fixedly mounted on the fixed part of hydraulic lifting column 1, keeps bracing wire vertical with encoder section; Angular transducer 8 is selected LCA316 single shaft obliquity sensor; Variable-frequency motor 4 adopts the variable-frequency motor of YVP315M-6 model, and power is 45KW, and degree of protection is IP55; Stepper motor 15 is selected the 130BYG350FH-SAKRMA-0602 stepper motor of the gloomy wound in southwestern Kunming, and it is the step actuator of SH-32206 that step actuator 16 is selected model; Oil pump 21 is selected the KCB series gear pump of the Changjiang river pump valve company; Solenoid valve 19 is selected the DG03-2C type three position four-way electromagnetic valve of seven foreign companies.
Frost preventing machine initial operational parameter: hydraulic lifting column height is 6m, rotation speed of fan is 550rpm, the blower fan angle of depression
be 15 °, cloud platform rotation scope is 360 °, and the cloud platform rotation cycle is 4min.
For scheme of the present utility model is described better, take Sloping field in mountain area tea place, landform apple orchard, as example, is now described further the utility model in the course of work under different condition pacifically.
embodiment 1
Take Sloping field in mountain area tea place as example.
Tea tree plant height is less, inversion intensity a little less than, therefore adopt following scheme: it is 8m that hydraulic lifting column height is set, and rotation speed of fan is 580rpm, the blower fan angle of depression
be 8 °, cloud platform rotation scope is 90 °, and the cloud platform rotation cycle is 1min.
Specific embodiments: first, input hydraulic pressure lifting column height setting value 8m in PLC, start oil pump 21, stay wire displacement sensor detects the height of hydraulic lifting column 1 in real time, and send output signal to PLC, PLC compares hydraulic lifting column height detection value 6m and setting value 8m, opens the up oil circuit of three position four-way electromagnetic valve, and hydraulic lifting column height is increased.In the time that hydraulic lifting column height reaches setting value 8m, control oil pump 21 stops, three position four-way electromagnetic valve power-off, and column stops at 8m height; Then, in PLC, input the blower fan angle of depression
8 ° of setting values, the drive motor energising of electric expansion bar 12, LCA316 single shaft obliquity sensor detects the blower fan angle of depression in real time
, and signal is passed to PLC, PLC is to the blower fan angle of depression
8 ° of 15 ° of detected values and setting values compare, and control the drive motor reversion of electric expansion bar 12, electric expansion bar 12 are shortened, when the blower fan angle of depression
while reaching 8 °, control the drive motor power-off of electric expansion bar 12, blower fan stops at position, 8 ° of angles of depression; In PLC, input rotation speed of fan setting value 580rpm, PLC converts the rotation speed of fan value of setting to answer frequency values, controls variable-frequency motor 4 and exports corresponding rotating speed; Again, in PLC, input cloud platform rotation cycle setting value 1min, PLC becomes the cloud platform rotation periodic conversion of setting the step-by-step impulse frequency of stepper motor 15, and give step actuator 16 by the step-by-step impulse of this frequency, step actuator 16 is according to the pulse receiving, Driving Stepping Motor 15, driven gear 13 makes The Cloud Terrace 3 rotate with the rotation period of setting; Finally, 90 ° of PLC input cloud platform rotation scope setting values, PLC is converted to the cloud platform rotation scope of setting the umber of pulse of stepper motor 15, and give step actuator 16 by the pulse of this umber of pulse, Driving Stepping Motor 15 rotates, in the time reaching the umber of pulse of setting, step actuator 16 control step motor 15 counter-rotation.
Take landform apple orchard, level land as example.
Apple tree plant height is larger, under the stronger condition of inversion, adopts following scheme: it is 12m that hydraulic lifting column height is set, and rotation speed of fan is 450rpm, the blower fan angle of depression
be 20 °, cloud platform rotation scope is 120 °, and the cloud platform rotation cycle is 2min.
Specific embodiments: first, input hydraulic pressure lifting column height setting value 12m in PLC, start oil pump 21, stay wire displacement sensor detects the height of hydraulic lifting column 1 in real time, and send output signal to PLC, PLC compares hydraulic lifting column height detection value 6m and setting value 12m, opens the up oil circuit of three position four-way electromagnetic valve, and hydraulic lifting column height is increased.In the time that hydraulic lifting column height reaches setting value 12m, control oil pump 21 stops, three position four-way electromagnetic valve power-off, and column stops at 12m height; Then, in PLC, input the blower fan angle of depression
20 ° of setting values, the drive motor energising of electric expansion bar 12, LCA316 single shaft obliquity sensor detects the blower fan angle of depression in real time
, and signal is passed to PLC, PLC is to the blower fan angle of depression
20 ° of 15 ° of detected values and setting values compare, and control the drive motor forward of electric expansion bar 12, electric expansion bar 12 are extended, when the blower fan angle of depression
while reaching 20 °, control the drive motor power-off of electric expansion bar 12, blower fan stops at position, 20 ° of angles of depression; In PLC, input rotation speed of fan setting value 450rpm, PLC converts the rotation speed of fan value of setting to answer frequency values, controls variable-frequency motor 4 and exports corresponding rotating speed; Again, in PLC, input cloud platform rotation cycle setting value 2min, PLC becomes the cloud platform rotation periodic conversion of setting the step-by-step impulse frequency of stepper motor 15, and give step actuator 16 by the step-by-step impulse of this frequency, step actuator 16 is according to the pulse receiving, Driving Stepping Motor 15, driven gear 13 makes The Cloud Terrace 3 rotate with the rotation period of setting; Finally, in PLC, input 120 ° of cloud platform rotation scope setting values, PLC is converted to the cloud platform rotation scope of setting the umber of pulse of stepper motor 15, and give step actuator 16 by the pulse of this umber of pulse, Driving Stepping Motor 15 rotates, in the time reaching the umber of pulse of setting, step actuator 16 control step motor 15 counter-rotation.
According to device for automatically controlling and the method for the agricultural frost preventing machine of above embodiment explanation, can realize hydraulic lifting column height, the blower fan angle of depression, rotation speed of fan, cloud platform rotation scope, the Automatic Control in cloud platform rotation cycle, improve frost preventing machine service efficiency; Can adjust frost preventing machine operational factor according to conditions such as landform, crop varieties, inversions, improve antifrost effect, reduce crops freeze injury loss, improve and make amount.
Claims (2)
1. the device for automatically controlling of an agricultural frost preventing machine, comprise control terminal for data acquisition (10), it is characterized in that: also comprise hydraulic lifting column (1), height sensor (2), variable-frequency motor (4), angular transducer (8), electric expansion bar (12), stepper motor (15), step actuator (16), solenoid valve (19), oil pump (21);
Described hydraulic lifting column (1) fixedly mounts on the ground; Described height sensor (2) is fixedly mounted on the lower surface of the fixed support dish (18) of The Cloud Terrace (3), and the impact of position while not being subject to the work of hydraulic lifting column (1) and fan blade (9); Described variable-frequency motor (4) is arranged on rotational support dish (17) upper surface of The Cloud Terrace (3), and the output shaft of variable-frequency motor (4) is connected with the assembling axle in pitching support tube (6) by shaft coupling (5);
Described angular transducer (8) is fixedly mounted in the installation shaft of pitching support tube (6) one end; Described electric expansion bar (12) top is connected with blower fan support tube (6) afterbody by bolt, and the coupling assembly on bottom and The Cloud Terrace (3) rotational support dish (17) is bolted;
Described stepper motor (15) is fixedly installed in fixed support dish (18) lower surface of The Cloud Terrace (3), and the output shaft of stepper motor (15) is connected with gear (13) axle through fixed support dish (18) through hole; Described step actuator (16) is fixedly mounted on described stepper motor (15);
Described solenoid valve (19), oil pump (21) are the ingredient of hydraulic power unit (11), solenoid valve (19) is installed on the valve plate (22) on fuel tank (20) surface, oil pump (21) is connected with fuel tank (20), and hydraulic power unit (11) is fixedly installed in the position near hydraulic lifting column (1) on ground; Described control terminal for data acquisition (10) is fixedly mounted on the non-lifting position of hydraulic lifting column (1), so that artificial execute-in-place does not affect the normal work of hydraulic lifting column (1); Described height sensor (2), angular transducer (8) are all connected with control terminal for data acquisition (10) input end, the frequency converter of variable-frequency motor (4), the drive motor of electric expansion bar (12), step actuator (16), solenoid valve (19), oil pump (21) are all connected with control terminal for data acquisition (10) output terminal.
2. the device for automatically controlling of a kind of agricultural frost preventing machine as claimed in claim 1, is characterized in that: described The Cloud Terrace (3) can be at reciprocating rotation in any angular range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320742540.8U CN203643769U (en) | 2013-11-22 | 2013-11-22 | Full-automatic control device for agricultural frost-prevention machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320742540.8U CN203643769U (en) | 2013-11-22 | 2013-11-22 | Full-automatic control device for agricultural frost-prevention machine |
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| Publication Number | Publication Date |
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| CN203643769U true CN203643769U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320742540.8U Expired - Fee Related CN203643769U (en) | 2013-11-22 | 2013-11-22 | Full-automatic control device for agricultural frost-prevention machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592887A (en) * | 2013-11-22 | 2014-02-19 | 江苏大学 | Full-automatic control device and method for agricultural frost prevention machine |
| CN105475058A (en) * | 2015-11-28 | 2016-04-13 | 江苏吟春碧芽股份有限公司 | Plant assisting anti-frost device |
-
2013
- 2013-11-22 CN CN201320742540.8U patent/CN203643769U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592887A (en) * | 2013-11-22 | 2014-02-19 | 江苏大学 | Full-automatic control device and method for agricultural frost prevention machine |
| CN103592887B (en) * | 2013-11-22 | 2015-12-30 | 江苏大学 | A kind of device for automatically controlling of agricultural frost preventing machine and method |
| CN105475058A (en) * | 2015-11-28 | 2016-04-13 | 江苏吟春碧芽股份有限公司 | Plant assisting anti-frost device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20181122 |