CN203518943U - Displacement measuring device used for agricultural machine - Google Patents
Displacement measuring device used for agricultural machine Download PDFInfo
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- CN203518943U CN203518943U CN201320563913.5U CN201320563913U CN203518943U CN 203518943 U CN203518943 U CN 203518943U CN 201320563913 U CN201320563913 U CN 201320563913U CN 203518943 U CN203518943 U CN 203518943U
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Abstract
The utility model relates to a displacement measuring device used for an agricultural machine and belongs to the field of agricultural machinery. In order to realize synchronous digitalization of experimental data of agricultural equipment in time and space, the utility model adopts a structure with ground wheels and photoelectric encoders combined together, so that relative space-time digitalization of experimental data of agricultural equipment and agricultural machine operation is realized conveniently. The utility model designs the high-precision positioning and large-displacement measuring system capable of realizing high-precision and low-cost digital positioning and displacement measurement in agricultural machine tests and agricultural equipment tests under a condition requiring no absolute positions. The displacement measuring device used for the agricultural machine disclosed by the utility model has advantages of (1) being low in cost; (2) being capable of realizing relative space-time digitalization of experimental data conveniently; (3) being simple in structure and convenient to use.
Description
Technical field
The utility model relates to a kind of agricultural machinery and implement displacement measurement device, belongs to agricultural mechanical field, relates in particular to the displacement measurement device in a kind of agricultural machinery and implement test.
Background technology
The operation of agricultural machinery and implement and the test of agricultural equipment often need to realize digital management and data processing.Existing GPS technology, can realize the absolute location coordinates location of mobile object on position of the earth easily, can realize the digitizing of space-time.But due to the restriction of technical conditions and privacy conditions, the defect such as the open positioning system ubiquity costs such as GPS are high, and positioning precision is low, is difficult to realize centimetre-sized and following positioning accuracy request.
In order to realize time and the space digitizing simultaneously of agricultural equipment test figure, the utility model adopts land wheel and the combined structure of photoelectric encoder, has realized easily the relative space-time digitizing of agricultural machinery and implement operation and agricultural equipment test unit test figure.The utility model has designed a set of high-precision location and big displacement quantity measuring system, can meet while not needing absolute position to require the measurement of high precision, low-cost digital location and the displacement of agricultural machinery and implement and agricultural equipment test.
In order to realize the measurement of low cost, hi-Fix and the displacement of space, the utility model discloses a kind of agricultural machinery and implement displacement measurement device.
Summary of the invention
The technical scheme that realizes above-mentioned utility model is: by land wheel and photoelectric encoder combination, utilize land wheel to drive photoelectric encoder to rotate, the displacement signal of photoelectric encoder output is changed with digitizer and shown, realize the space-time digitizing of the operation of space agricultural machinery and implement and agricultural equipment test, make test bit add relative position coordinates, and data are outputed to computer system, be convenient to realize the precise operation of agricultural machinery and implement and the deep analysis of agricultural equipment test.The concrete technical scheme content that realizes above-mentioned utility model is:
An agricultural machinery and implement displacement measurement device, by land wheel 1, elastic fixing pole 2, gear train 3, photoelectric encoder 4, direction judgment circuit, display circuit and output interface circuit form, and it is characterized in that: described elastic fixing pole 2 is connected with tested agricultural machinery and implement; Described land wheel 1 rolls on ground or track, drive the axle of gear train 3 to rotate, gear train 3 drives photoelectric encoder 4 central shafts to rotate, the position signalling that photoelectric encoder 4 produces outputs to direction judgment circuit, by direction judgment circuit, position signalling is delivered to display circuit and output interface circuit, by display circuit, complete numerical value and show, by output interface circuit, position signalling is inputted to upper Measurement &control computer system;
Described direction judgment circuit adopts 74HC123 and 74HC00 chip circuit;
Described display circuit adopts 74HC192, CD4511 and LED charactron to show;
Described output interface circuit adopts the output of USB (universal serial bus) agreement.
The disclosed agricultural machinery and implement displacement measurement device of the utility model has following advantage:
(1) with low cost;
(2) can conveniently realize the relative space-time digitizing of test figure;
(3) simple in structure, easy to use.
Accompanying drawing explanation
Fig. 1 is that agricultural machinery and implement displacement measurement device physical construction and system form schematic diagram
Fig. 2 signaling conversion circuit structural drawing
The meaning that in accompanying drawing, each legend mark represents is respectively as follows:
1-land wheel, 2-elastic fixing pole, 3-gear train, 4-photoelectric encoder
Embodiment
Below in conjunction with accompanying drawing, provide specific embodiment.
The agricultural machinery and implement displacement measurement device of an embodiment of the present utility model, by land wheel 1, elastic fixing pole 2, gear train 3, photoelectric encoder 4, direction judgment circuit, display circuit and output interface circuit form, and elastic fixing pole 2 is connected with tested agricultural machinery and implement; In tested agricultural machinery and implement moving process, land wheel 1 rolls on ground or track, gear train 3 is connected by axle with land wheel, drive the axle of gear train 3 to rotate, and then driving photoelectric encoder 4 central shafts to rotate, the position signalling that photoelectric encoder 4 produces outputs to direction judgment circuit, by direction judgment circuit, position signalling is delivered to display circuit and output interface circuit, by display circuit, complete numerical value and show, by output interface circuit, position signalling is inputted to upper Measurement &control computer system.
In order to increase or reduce the signal output of photoelectric encoder, gear train can adopt the method for machinery speed increasing or reduction of speed to realize.
These principles are identical, and structural change can form other embodiments of the present utility model.
Claims (4)
1. an agricultural machinery and implement displacement measurement device, by land wheel (1), elastic fixing pole (2), gear train (3), photoelectric encoder (4), direction judgment circuit, display circuit and output interface circuit form, and it is characterized in that: described elastic fixing pole (2) is connected with tested agricultural machinery and implement; Described land wheel (1) rolls on ground or track, drive the axle of gear train (3) to rotate, gear train (3) drives photoelectric encoder (4) central shaft to rotate, the position signalling that photoelectric encoder (4) produces outputs to direction judgment circuit, by direction judgment circuit, position signalling is delivered to display circuit and output interface circuit, by display circuit, complete numerical value and show, by output interface circuit, position signalling is inputted to upper Measurement &control computer system.
2. agricultural machinery and implement displacement measurement device according to claim 1, is characterized in that: described direction judgment circuit adopts 74HC123 and 74HC00 chip circuit.
3. agricultural machinery and implement displacement measurement device according to claim 1, is characterized in that: described display circuit adopts 74HC192, CD4511 and LED charactron to show.
4. agricultural machinery and implement displacement measurement device according to claim 1, is characterized in that: described output interface circuit adopts the output of USB (universal serial bus) agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563913.5U CN203518943U (en) | 2013-09-11 | 2013-09-11 | Displacement measuring device used for agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563913.5U CN203518943U (en) | 2013-09-11 | 2013-09-11 | Displacement measuring device used for agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518943U true CN203518943U (en) | 2014-04-02 |
Family
ID=50377863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563913.5U Expired - Fee Related CN203518943U (en) | 2013-09-11 | 2013-09-11 | Displacement measuring device used for agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817007A (en) * | 2017-12-05 | 2018-03-20 | 长春盛昊电子有限公司 | Cannon pinion multi-turn magnetoelectricity absolute type encoder |
-
2013
- 2013-09-11 CN CN201320563913.5U patent/CN203518943U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817007A (en) * | 2017-12-05 | 2018-03-20 | 长春盛昊电子有限公司 | Cannon pinion multi-turn magnetoelectricity absolute type encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |