CN206413373U - A kind of leveling machine for farmland laser pickoff with digital filtering - Google Patents
A kind of leveling machine for farmland laser pickoff with digital filtering Download PDFInfo
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- CN206413373U CN206413373U CN201621222540.5U CN201621222540U CN206413373U CN 206413373 U CN206413373 U CN 206413373U CN 201621222540 U CN201621222540 U CN 201621222540U CN 206413373 U CN206413373 U CN 206413373U
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- laser
- circuit board
- laser pickoff
- status display
- farmland
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Abstract
The utility model is related to a kind of laser pickoff, especially a kind of leveling machine for farmland laser pickoff with digital filtering, the laser pickoff includes main circuit board, the status display circuit plate for status display and for the cavity device for the closing for placing main circuit board and status display circuit plate, and the main circuit board is electrically connected with status display circuit plate；The laser pickoff also includes the fixing device for being used to fix main circuit board and status display circuit plate, some semicircle install that the laser pickoff also includes being used to laser pickoff being attached on leveling machine for farmland receiver installation round bar hook, and the installation was worked hard in glove with attachment means and is connected with cavity device.Pass through the setting of the cavity device of closing so that main circuit board and status display circuit plate can be operated under closed environment, with very strong water proofing property, can be well adapted for agricultural production complex environment, especially the moist area of heavy rainfull in south.
Description
Technical field
The utility model is related to a kind of laser pickoff, and especially a kind of leveling machine for farmland with digital filtering is connect with laser
Device is received, belongs to Intelligent agricultural machinery field.
Background technology
China's agricultural water accounts for the 75.3% of national water consumption, and surface irrigation is the main method of China's agricultural irrigation, smooth
Farmland can improve the utilization rate of farmland irrigation water.
Traditional paddy-field flattening method is all that profiling is smooth, and labor intensity is big and efficiency is low, while smooth precision is low, it is difficult to
Reach fine smooth requirement（Liu's effect is brave etc., and 2010）.The simple level land equipment that is used in the conventional flat in paddy field it is general by
Piece wooden stick of tractor rear dragging or plank are as equipment, and level land precision depends primarily on the weight of equipment and the soft or hard journey in mud face
Degree.Due to the change of the soft or hard and height in mud face, equipment also can be with its dipping and heaving.As agriculture equipment develops with answering
With, it is desirable to work tool keeps parallel with manipulating object face.Laser controlled leveling technology be by the use of laser beam reference plane as
Land level scraper Height Standard, judges instead of the range estimation of conventional land leveling equipment operator, automatically controls hydraulic control system realization flat
The lifting of ground shovel, reaches the purpose finely leveled land.Laser pickoff is the key sensor of laser controlled leveling technology, mesh
What the preceding country was used is used for leveling machine for farmland laser pickoff, and because anti-interference is weak, the radius of clean-up is small, and precision is low, unit work
Make the low many reasons of efficiency not all to be applied and be converted into productivity and urgently improved.Patent《For laser control
The laser pickoff of flat ground system processed》（201420066308.8）With《A kind of laser pickoff》（201320178153.6）It is both needed to
Narrow band pass filter filters out the environmental disturbances such as sunshine, and its cost is high and stability is poor；Photoelectricity piece fastens with glue under circuit board
Easy aging comes off；Photoelectricity chip arrays are installed by 45 degree of steel plates and are easily destroyed photoelectricity chip arrays, and shock resistance is poor.In addition,
The moist area of heavy rainfull of the poor waterproof properties of current product, it is difficult to adapt to agricultural production complex environment, especially south.
Suitable for modern Intelligent agricultural machinery, the leveling machine for farmland laser pick-off with digital filtering of market demands is met
Device turns into a kind of demand.
Therefore, it is necessary to a kind of leveling machine for farmland laser pickoff be provided, with low, anti-interference, anti-vibration of cost etc.
Feature, to meet the market demand.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art that there is provided a kind of leveling machine for farmland with digital filtering
With laser pickoff, cause the leveling machine for farmland laser pickoff that there is the spies such as low, the anti-interference, anti-vibration of cost by design
Point, can be suitably used for modern Intelligent agricultural machinery, meets market demands.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of leveling machine for farmland laser pickoff with digital filtering is provided, the laser pickoff includes main circuit
Plate, the status display circuit plate for status display and for the chamber for the closing for placing main circuit board and status display circuit plate
Body device, the main circuit board is electrically connected with status display circuit plate；The laser pickoff also includes being used to fix main circuit
The fixing device of plate and status display circuit plate, the laser pickoff also includes putting down for laser pickoff to be attached into farmland
Some semicircle install that ground machine receiver is installed on round bar hook, and the installation was worked hard in glove with attachment means and is connected with cavity device.
The setting for the cavity device that the utility model passes through closing so that main circuit board and status display circuit plate can be
It is operated under closed environment, with very strong water proofing property, agricultural production complex environment can be well adapted for, it is especially southern
Side humidity area of heavy rainfull；Pass through the setting of the fixing device for fixing main circuit board and status display circuit plate so that main electricity
Road plate and status display circuit plate can be fixed well, improve freedom from vibration, and improve the working stability of laser pickoff
Property；The setting being connected with cavity device is hooked by installing to hook and install, is hooked using installing by laser pickoff and farmland level land
Machine receiver is installed round bar and is connected, and improves the reliability that laser pickoff is installed with leveling machine for farmland receiver, improves
Freedom from vibration.
Preferably, the cavity device includes the first lid, the second lid, transparent tube, and first lid, the second lid are by can
Detaching structure is covered with transparent tube and is connected.By in this way, enabling main circuit board and status display circuit plate closed
In the environment of be operated, with very strong water proofing property, agricultural production complex environment can be well adapted for；Simultaneously because design
Transparent tube be easy to observe main circuit board and status display circuit plate；Additionally by the setting of demountable structure, it is easy to
The installation, maintenance and carrying of laser pickoff.
Preferably, the laser pickoff also includes the band filter window panel for being capable of infrared light transmission, and the band filter window panel is set
In the outside of transparent tube, the band filter window panel is electrically connected with status display circuit plate.So set and be easy to by band filter window face
The display of plate improves the water proofing property of whole system so as to avoid the leakage of status display circuit plate, and being capable of infrared light transmission
Band filter window panel setting reduce the interference of ambient light.Preferably, the band filter window panel is thin including two fan infrared light transmissions
Film window and water white transparency show mouth, and panel is high viscosity panel, is pasted on oval tube outer surface.
Preferably, the fixing device includes the first fixed mount and the second fixed mount, and first fixed mount and second are consolidated
Determine frame main circuit board is fixed between the first fixed mount and the second fixed mount by screw thread buffer structure, the status display electricity
Road plate is connected by the second helicitic texture with the first fixed mount, and the status display circuit plate is located at first with main circuit board to be fixed
The not homonymy of frame.Reliably main circuit board can be fixed between the first fixed mount and the second fixed mount, improved by setting
The stability of main circuit board work, while the setting of screw thread buffer structure, improves the freedom from vibration of main circuit board.The state
Display circuit board is located at the not homonymy of the first fixed mount with main circuit board, thus is avoided that line risk closely occurs very much in distance, improves
The service life of laser pickoff.Preferably, the screw thread buffer structure includes helicitic texture and rubber blanket.
Preferably, described install is hooked provided with two, and the installation worked hard in glove with installation bolt structure and the first lid, the second lid respectively
From connection.So set and lower fixed laser receiver is covered by the first lid, second, improve its anti-interference and stability.
Preferably, the hook of installing is equipped with and laser pickoff is shaken for buffering with the first lid, the second junction covered
Dynamic spring.So set and interference of the round bar vibrations to laser pickoff is installed to reduce land leveller receiver, improve it and prevent
Shaking property.
Preferably, the main circuit board includes laser signal modulation module, amplification module, Shaping Module, broadening module, number
Word processing module, communication module and power module；
Laser photoelectricity signal modulation is high-frequency ac electric signal by laser signal modulation module, and laser signal modulation module will
High-frequency ac electric signal is transferred to amplification module and carries out signal amplification, and amplification module is by the electric signal transmission of amplification to Shaping Module
Pulse signal is converted to broadening module, digital signal processing module progress digital filtering is subsequently communicated to and is processed and transmitted to communication mould
Block.
Preferably, the external inductance of laser signal modulation module and laser sensor arrangements；The laser sensor arrangements are
Laser sensor or some groups of laser sensor arrays；The laser sensor array includes some laser sensors and laser
Inductive circuit plate, some laser sensors are soldered to laser sensing circuit board, and the laser sensing circuit board is by some laser
Sensor is divided into seven tunnels.Preferably, the laser signal frequency of the digital filtering of the digital signal processing module mainly by receiving
Filtered out, 7 road laser signal frequencies should be：The generating laser rotating speed of f=60/, ungratified signal is interference signal.Through
7 road laser signals after digital filtering processing represent the position of laser pickoff and laser rotary plane, and 7 fragment positions are represented respectively
For：-h3, -h2, -h1, 0, +h1, +h2, h3.
Preferably, the laser sensing array is 4 groups, and every two groups of laser sensing arrays pass through laser sensing circuit board and master
Weld circuit board side；Laser sensing circuit board and the main circuit board side is semicircle pad, every group of laser sensing battle array
Row are in 45 degree with main circuit board angle, and four groups of mutual angles of laser sensing array are in 90 degree.
Compared with prior art, the beneficial effects of the utility model are：
The setting for the cavity device that the utility model passes through closing so that main circuit board and status display circuit plate can be
It is operated under closed environment, with very strong water proofing property, agricultural production complex environment can be well adapted for, it is especially southern
Side humidity area of heavy rainfull；Pass through the setting of the fixing device for fixing main circuit board and status display circuit plate so that main electricity
Road plate and status display circuit plate can be fixed well, improve freedom from vibration, and improve the working stability of laser pickoff
Property；The setting being connected with cavity device is hooked by installing to hook and install, is hooked using installing by laser pickoff and farmland level land
Machine receiver is installed round bar and is connected, and improves the reliability that laser pickoff is installed with leveling machine for farmland receiver, improves
Freedom from vibration；
And main circuit board is fixed between the first fixed mount and the second fixed mount by screw thread buffer structure, can be reliable
Main circuit board is fixed between the first fixed mount and the second fixed mount by ground, improves the stability of main circuit board work, simultaneously
The setting of screw thread buffer structure, improves the freedom from vibration of main circuit board；
Digital filtering processing is carried out to 7 road laser signals by digital signal processing module simultaneously, and in the way of digital communication
Communicated with level land machine controller, further increase the stability and reliability of laser pickoff signal.
Brief description of the drawings
Fig. 1 is band filter window panel schematic diagram.
Fig. 2 is laser pickoff exploded perspective view.
Fig. 3 is laser sensor array schematic diagram.
Fig. 4 is that laser sensor array circuit board welds schematic diagram with main circuit board.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
The same or analogous part of same or analogous label correspondence in the accompanying drawing of the utility model embodiment；In this practicality
In new description, it is to be understood that if the orientation or position relationship that have the instructions such as term " on ", " under ", "left", "right" are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that signified device or element must have specific orientation, to be retouched in specific azimuth configuration and operation, therefore accompanying drawing
Term the being given for example only property explanation of position relationship is stated, it is impossible to be interpreted as the limitation to this patent, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
First for leveling machine for farmland laser pickoff of the utility model with digital filtering is implemented as shown in Figures 1 to 4
Example, the laser pickoff includes main circuit board 1, the status display circuit plate 2 for status display and for placing main electricity
The cavity device of the closing of road plate 1 and status display circuit plate 2, the main circuit board 1 is electrically connected with status display circuit plate 2；
The laser pickoff also includes the fixing device for being used to fix main circuit board 1 and status display circuit plate 2, the laser pick-off
Some semicircle install that device also includes being used to laser pickoff being installed on leveling machine for farmland receiver installation round bar hook 3,
The hook 3 of installing is connected by attachment means with cavity device.
Specifically, the cavity device includes the first lid 4, the second lid 5, transparent tube 6, and first lid 4, the second lid 5 are equal
Covered and be connected with transparent tube 6 by demountable structure.By in this way, enabling main circuit board 1 and status display circuit plate 2
It is enough to be operated under closed environment, with very strong water proofing property, agricultural production complex environment can be well adapted for；Simultaneously
Because the transparent tube 6 of design is easy to observe main circuit board 1 and status display circuit plate 2；Additionally by demountable structure
Setting, be easy to the installation, maintenance and carrying of laser pickoff.
Wherein, the laser pickoff also includes the band filter window panel 7 for being capable of infrared light transmission, and the band filter window panel 7 is set
In the outside of transparent tube 6；The band filter window panel 7 is electrically connected with status display circuit plate 2.So set and be easy to by band filter window
The display of panel 7 leaks outside so as to avoid status display circuit plate 2, improves the water proofing property of whole system, and infrared light transmission
Band filter window panel 7 setting reduce the interference of ambient light.Preferably, the band filter window panel 7 includes two fan infrared light transmissions
Film window and water white transparency show mouth, and panel is high viscosity panel, is pasted on transparent tube outer surface.
In addition, the fixing device includes the first fixed mount 8 and the second fixed mount 9, first fixed mount 8 and second is consolidated
Determine frame main circuit board 1 is fixed between the first fixed mount 8 and the second fixed mount by screw thread buffer structure, the status display
Circuit board 2 is connected by the second helicitic texture with the first fixed mount 8, and the status display circuit plate 2 and main circuit board 1 are located at the
The not homonymy of one fixed mount 8.By set can reliably by main circuit board 1 be fixed on the first fixed mount 8 and the second fixed mount 9 it
Between, the stability of the work of main circuit board 1 is improved, while the setting of screw thread buffer structure, improves the anti-vibration of main circuit board 1
Property.In addition, the status display circuit plate 2 is located at the not homonymy of the first fixed mount with main circuit board 1, it thus is avoided that distance is too near
There is line risk, improve the service life of laser pickoff.Preferably, the screw thread buffer structure includes helicitic texture and rubber
Rubber cushion.
Wherein, described install hooks 3 provided with two, and the hook 3 of installing passes through installation bolt structure and the first lid 4, the second lid 5
Each connection.So set by the first lid 4, the second lid fixed laser receiver about 5, improve its anti-interference and stably
Property.
Preferably, the lid 4 of hook 3 and first, the junction of the second lid 5 installed is equipped with for buffering to laser pickoff
The spring 10 of vibrations.So set and interference of the round bar vibrations to laser pickoff is installed to reduce land leveller receiver, improve
Its vibrationproof.
In addition, the main circuit board 1 includes laser signal modulation module, amplification module, Shaping Module, broadening module, number
Word processing module, communication module and power module；
Laser photoelectricity signal modulation is high-frequency ac electric signal by laser signal modulation module, and laser signal modulation module will
High-frequency ac electric signal is transferred to amplification module and carries out signal amplification, and amplification module is by the electric signal transmission of amplification to Shaping Module
Pulse signal is converted to broadening module, digital signal processing module progress digital filtering is subsequently communicated to and is processed and transmitted to communication mould
Block.
Wherein, the external inductance of laser signal modulation module and laser sensor arrangements；The laser sensor arrangements are sharp
Optical sensor or some groups of laser sensor arrays；The laser sensor array 11 includes some laser sensors 12 and laser
Sensing circuit plate 13, some laser sensors are soldered to laser sensing circuit board, and the laser sensing circuit board will be some
Laser sensor is divided into seven tunnels.Preferably, the laser signal of the digital filtering of the digital signal processing module mainly by receiving
Frequency is filtered out, and 7 road laser signal frequencies should be：" f=60/ generating laser rotating speed ", ungratified signal is interference letter
Number.7 road laser signals after being handled through digital filtering represent the position of laser pickoff and laser rotary plane, 7 fragment positions point
It is not expressed as：-h3, -h2, -h1, 0, +h1, +h2, h3.
In addition, the laser sensing array is 4 groups, every two groups of laser sensing arrays pass through laser sensing circuit board and main electricity
Weld road plate side；Laser sensing circuit board 13 and main circuit board 1 side is semicircle pad 14, every group of laser sensing
Array is in 45 degree with the angle of main circuit board 1, and four groups of mutual angles of laser sensing array are in 90 degree.So setting can ensure that laser connects
Receive device can 360 degree can receive laser signal.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in
Within the utility model scope of the claims.
Claims (10)
1. a kind of leveling machine for farmland laser pickoff with digital filtering, it is characterised in that the laser pickoff includes master
Circuit board（1）, status display circuit plate for status display（2）And for placing main circuit board（1）With status display electricity
Road plate（2）Closing cavity device, the main circuit board（1）With status display circuit plate（2）Electrical connection；The laser pick-off
Device also includes being used to fix main circuit board（1）With status display circuit plate（2）Fixing device, the laser pickoff also includes
Some semicircle install for laser pickoff to be installed on leveling machine for farmland receiver installation round bar hook（3）, the peace
Dress is hooked（3）It is connected by attachment means with cavity device.
2. the leveling machine for farmland laser pickoff according to claim 1 with digital filtering, it is characterised in that the chamber
Body device includes the first lid（4）, second lid（5）, transparent tube（6）, first lid（4）, second lid（5）By detachably tying
Structure and transparent tube（6）Cover connection.
3. the leveling machine for farmland laser pickoff according to claim 1 with digital filtering, it is characterised in that described to swash
Optical receiver also includes the band filter window panel for being capable of infrared light transmission（7）, the band filter window panel（7）Located at transparent tube（6）It is outer
Side.
4. the leveling machine for farmland laser pickoff according to claim 1 with digital filtering, it is characterised in that described solid
Determining device includes the first fixed mount（8）With the second fixed mount（9）, first fixed mount（8）Pass through screw thread with the second fixed mount
Buffer structure is by main circuit board（1）It is fixed on the first fixed mount（8）And second between fixed mount, the status display circuit plate
（2）Pass through the second helicitic texture and the first fixed mount（8）Connection, the status display circuit plate（2）With main circuit board（1）It is located at
First fixed mount（8）Not homonymy.
5. the leveling machine for farmland laser pickoff according to claim 2 with digital filtering, it is characterised in that the peace
Dress is hooked（3）Provided with two, described install hooks（3）Pass through installation bolt structure and the first lid（4）, second lid（5）Each connection.
6. the leveling machine for farmland laser pickoff according to claim 5 with digital filtering, it is characterised in that the peace
Dress is hooked（3）With the first lid（4）, second lid（5）Junction be equipped with for buffer to laser pickoff shake spring（10）.
7. the leveling machine for farmland laser pickoff according to claim 5 with digital filtering, it is characterised in that the master
Circuit board（1）Including laser signal modulation module, amplification module, Shaping Module, broadening module, digital signal processing module, communication mould
Block and power module.
8. the leveling machine for farmland laser pickoff according to claim 5 with digital filtering, it is characterised in that described to swash
The external inductance of optical signal modulation module and laser sensor arrangements；The laser sensor arrangements are laser sensor or some groups of laser
Sensor array；The laser sensor array includes some laser sensors and laser sensing circuit board, some laser
Sensor is soldered to laser sensing circuit board, and some laser sensors are divided into seven tunnels by the laser sensing circuit board.
9. the leveling machine for farmland laser pickoff according to claim 8 with digital filtering, it is characterised in that described to swash
Light sensing array is 4 groups, and every two groups of laser sensing arrays are welded by laser sensing circuit board and main circuit board side；It is described to swash
Light sensing circuit board and main circuit board（1）Side is semicircle pad, every group of laser sensing array and main circuit board（1）Angle
In 45 degree, four groups of mutual angles of laser sensing array are in 90 degree.
10. the leveling machine for farmland laser pickoff according to claim 7 with digital filtering, it is characterised in that described
Digital signal processing module including the digital filtering that is filtered out the laser signal frequency received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222540.5U CN206413373U (en) | 2016-11-14 | 2016-11-14 | A kind of leveling machine for farmland laser pickoff with digital filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222540.5U CN206413373U (en) | 2016-11-14 | 2016-11-14 | A kind of leveling machine for farmland laser pickoff with digital filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206413373U true CN206413373U (en) | 2017-08-18 |
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ID=59578780
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621222540.5U Active CN206413373U (en) | 2016-11-14 | 2016-11-14 | A kind of leveling machine for farmland laser pickoff with digital filtering |
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| CN (1) | CN206413373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612646A (en) * | 2016-11-14 | 2017-05-10 | 华南农业大学 | Laser receiver having digital filtering function and used for farmland leveler |
-
2016
- 2016-11-14 CN CN201621222540.5U patent/CN206413373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612646A (en) * | 2016-11-14 | 2017-05-10 | 华南农业大学 | Laser receiver having digital filtering function and used for farmland leveler |
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