CN103115592A - Mu calculating device of supersonic harvester - Google Patents
Mu calculating device of supersonic harvester Download PDFInfo
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- CN103115592A CN103115592A CN2013100663626A CN201310066362A CN103115592A CN 103115592 A CN103115592 A CN 103115592A CN 2013100663626 A CN2013100663626 A CN 2013100663626A CN 201310066362 A CN201310066362 A CN 201310066362A CN 103115592 A CN103115592 A CN 103115592A
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Abstract
The invention discloses a mu calculating device of a supersonic harvester. The mu calculating device of the supersonic harvester comprises a harvest width measuring device, a harvest distance measuring device, a singlechip device and a mu calculating trigger switch device. The harvest width measuring device and the harvest distance measuring device are respectively electrically connected with the singlechip device; a data display device and a parameter setting device are connected with the singlechip device through signals; and the mu calculating trigger switch device is installed on the harvester and connected with the singlechip device. Width of harvest crops and length of harvest crops are detected simultaneously by utilizing the harvest width measuring device and the harvest distance measuring device when the harvester is working; working areas are directly worked out through the singleship device; and the working areas, harvest unit price, harvest costs and harvest working time are displayed so that the mu calculating device of the supersonic harvester has the advantages of being convenient to check for a farmer and a manipulator of the harvester, high in accuracy, especially the accuracy of the detection of working width, avoiding misunderstanding and contradictions between the farmer and the manipulator of the harvester due to inaccurate working areas and improving the working efficiency of the harvester.
Description
Technical field
The present invention relates to a kind of device that measures the agricultural mechanical operation area, relate in particular to a kind of Mu measuring device for cropper harvesting crops working area.
Background technology
Due to the application widely of the agricultural machinery such as cropper, rotary cultivator, the measurement problem of harvest area, cultivated area has become the problem of agricultural machinery operator and vast farmers friend top concern.At present general agricultural machine working area measuring method is all more traditional, namely take meter ruler to carry out the measurement of length and width to the operation soil, the value of measuring is carried out the actual job area that product calculates agricultural machinery, this metering method is both inaccurate, operate very complicated again, and error is large, and efficient is low, has affected normal busy farming season operation.
Also there are at present some Mu measuring devices to begin to be installed on cropper and rotary cultivator, but existing Mu measuring device can only perception agricultural machinery the situation of advancing, and actual working state that can not perception agricultural machinery, therefore need the agricultural machinery operator to determine whether agricultural machinery is effectively working, as under the state such as move backward, turn to, the agricultural machinery operator must be set to stop count status by Mu measuring device, after also machinery is adjusted the position Deng agriculture, the agricultural machinery operator is manually opened Mu measuring device again, makes Mu measuring device continue counting.Because the agricultural machinery operator is generally that a people implements separately when working, therefore Mu measuring device is ceaselessly stopped and open operation, the labor capacity of the agricultural machinery hand that increases, if forget the operation Mu measuring device in acting hurriedly in a messy situation, will make Mu measuring device produce larger error in dipping, easily cause the contradiction between agriculture client and agricultural machinery working person, also be unfavorable for improving simultaneously the operating efficiency of agricultural machinery.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of ultrasound wave cropper Mu measuring device accurate, simple in structure that measures.
For solving the problems of the technologies described above, technical scheme of the present invention is: ultrasound wave cropper Mu measuring device, comprise the results width of measuring device, described results width of measuring device comprises hard-wired ultrasonic ranging unit respectively, harvester cutting bench crop entrance both sides, and the ultrasound wave transmit direction of described ultrasonic ranging unit is respectively towards the corresponding side surface of actual cut crop;
The results distance-measuring device is arranged on cropper;
Single chip computer device, described ultrasonic ranging unit and described results distance detection device are electrically connected to respectively described single chip computer device;
Data presentation device is connected with described single chip computer device signal;
Parameter setting apparatus is connected with described single chip computer device signal;
Meter mu trigger switch device is arranged on cropper, is connected with described single chip computer device.
As preferred technical scheme, described meter mu trigger switch device comprises the ceding of Taiwan power trigger switch with the interlock of ceding of Taiwan propulsion system, with the taiwan cut off and landing trigger switch of header lifting device of mini-type interlock, be the relation of logical “and” between described ceding of Taiwan power trigger switch and described taiwan cut off and landing trigger switch.
As preferred technical scheme, described ultrasonic ranging unit comprises ultrasonic transmitter and the ultrasonic receiver corresponding with described ultrasonic transmitter.
As preferred technical scheme, during the work of described ultrasonic transmitter, overhead distance is: H 〉=Ltg (α/2); Wherein, overhead distance during the work of the described ultrasonic transmitter of H=, the distance between the described ultrasonic transmitter of L=two, the radiation angle of α=described ultrasonic transmitter.
As preferred technical scheme, described results distance-measuring device comprises the Hall element that is arranged on the cropper wheel shaft.
As preferred technical scheme, described single chip computer device comprises that described single chip computer device comprises single-chip microcomputer, be provided with for the data processing unit that receives and process described ultrasonic ranging cell signal and described results distance-measuring device signal the timing unit that is used for carrying out the parameter calculation unit of harvest area calculating and is used for measuring harvest time in described single-chip microcomputer.
As preferred technical scheme, described data presentation device comprises the touch-screen that is connected with described single chip computer device signal.
As preferred technical scheme, described touch-screen is double does described parameter setting apparatus.
As preferred technical scheme, described parameter setting apparatus comprises that button is raised in function selection key, valuation, button and valuation zero clearing button are lowered in valuation.
As to improvement of the technical scheme, described single chip computer device also is connected with voice-output unit.
owing to having adopted technique scheme, ultrasound wave cropper Mu measuring device, comprise: the results width of measuring device, described results width of measuring device comprises hard-wired ultrasonic ranging unit respectively, harvester cutting bench crop entrance both sides, and the ultrasound wave transmit direction of described ultrasonic ranging unit is respectively towards the corresponding side surface of actual cut crop, the results distance-measuring device is arranged on cropper, single chip computer device, described ultrasonic ranging unit and described results distance detection device are electrically connected to respectively described single chip computer device, data presentation device is connected with described single chip computer device signal, parameter setting apparatus is connected with described single chip computer device signal, meter mu trigger switch device is arranged on cropper, is connected with described single chip computer device, the invention has the beneficial effects as follows: utilize results width of measuring device and results distance-measuring device in the cropper operation, detect width and the length of harvesting crops, and directly calculate working area by single chip computer device, and with area, the results unit price, results expense and harvest operation time together show, so that peasant household and cropper operator are checked, especially to the detection of operation width, precision is high, avoided the misunderstanding contradiction that causes because working area is inaccurate between peasant household and cropper operator, help to improve the operating efficiency of cropper.
Description of drawings
The following drawings only is intended to the present invention is done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structured flowchart of the embodiment of the present invention;
Fig. 2 is the setting height(from bottom) schematic diagram of embodiment of the present invention ultrasonic transmitter;
Fig. 3 is the schematic diagram of the actual crop harvesting width of the embodiment of the present invention;
Fig. 4 is the connecting circuit schematic diagram of embodiment of the present invention Hall element.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present invention has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection domain of restriction claim.
As shown in Figure 1, ultrasound wave cropper Mu measuring device, comprise the results width of measuring device, described results width of measuring device comprises hard-wired ultrasonic ranging unit respectively, harvester cutting bench crop entrance both sides, and the ultrasound wave transmit direction of described ultrasonic ranging unit is respectively towards the corresponding side surface of actual cut crop; The results distance-measuring device is installed on cropper; Described ultrasonic ranging unit and described results distance detection device are electrically connected to respectively single chip computer device; Described single chip computer device also signal is connected with data presentation device and parameter setting apparatus; The meter mu trigger switch device that is connected with described single chip computer device is installed on cropper.
In the present embodiment, described ultrasonic ranging unit comprises ultrasonic transmitter and the ultrasonic receiver corresponding with described ultrasonic transmitter.When wheat is cut in the ceding of Taiwan, ultrasonic transmitter can constantly send ultrasound wave, in order to measure wheat to the distance between ultrasonic transmitter, deduct with the inset spacing of the ceding of Taiwan developed width that numerical value that two ultrasonic transmitters return namely gets wheat that the ceding of Taiwan is cut, in order to guarantee the measurement data accuracy, in real work, the hyperacoustic frequency of the emission of ultrasonic transmitter setting is: rotate a circle at the cropper wheel, ultrasonic transmitter sends at least ten ultrasonic signals.After ultrasonic transmitter transmits, receive the ultrasonic receiver return signal by single chip computer device, single chip computer device is processed the data that ultrasonic transmitter returns, mainly be treated to the suppressing exception data, and qualified data are sorted, in the middle of remaining data are got, the mean value of three numbers, use in order to calculating.
As shown in Figure 2, when ultrasonic transmitter is installed, its installation position is equipped with certain requirement, during described ultrasonic transmitter work, overhead distance is: H 〉=Ltg (α/2); Wherein, overhead distance during the work of the described ultrasonic transmitter of H=, distance between the described ultrasonic transmitter of L=two, the radiation angle of α=described ultrasonic transmitter, the irradiation angle of ultrasonic transmitter described in the present embodiment is less than or equal to 15 °, namely as long as distance H 〉=Ltg (α/2) when ultrasonic transmitter is worked overhead just can not be subjected to any interference.
Described results distance-measuring device comprises the Hall element that is arranged on the cropper wheel shaft.Be illustrated in figure 4 as the catenation principle circuit diagram of Hall element.In the present invention, the range observation mode of Mu measuring device is similar with the taximeter principle, the cropper wheel rotates a circle, the Hall element induction once, the number of times of induction is counted by single chip computer device, and the girth that the number that single chip computer device is counted multiply by the cropper wheel is exactly the operation distance of cropper.In order prevent that the cropper wheel from just in time forwarding the sensed position of Hall element to, and the impact valuation in actual design, to only have the cropper wheel to turn over specific position, just Hall element can send signal one time, thereby has reduced error.
Following theoretical calculation analysis is mathematical computations process of the present invention once:
1), in the ceding of Taiwan actual cut width W of wheat be with the fixed width L(of the ceding of Taiwan two inboards simultaneously L be also distance between two described ultrasonic transmitters, ultrasonic ranging unit thinner, distance between itself and ceding of Taiwan inwall can be ignored,) deduct that first ultrasonic transmitter detects apart from a and second distance b that ultrasonic transmitter detects, as shown in Figure 3, that is:
W=L-a-b；
2), the cropper harvest operation distance of passing by is to count to get by the Hall element that is arranged on cropper, the cropper wheel often turns around, Hall element is counted once.Therefore, the distance that cropper is passed by is the girth length that number of turns n that Hall element is remembered multiply by wheel, the distance that the cropper harvest operation is passed by be cropper results wheat apart from N, that is:
N=n*length；
3), the total area S of harvesting wheat obtains by the harvesting wheat that the records product apart from N and harvesting wheat width W, that is:
S=N*W；
For the precision that guarantees to measure high, by repeatedly measuring (work period measures ten times) during actual measurement wheat area, then average, finally obtain accurate harvest area, draw to draw a conclusion by Time Calculation repeatedly: often the travel distance of 8cm of actual cut machine, namely measure the developed width of a wheat.
Described meter mu trigger switch device comprises the ceding of Taiwan power trigger switch with the interlock of ceding of Taiwan propulsion system, with the taiwan cut off and landing trigger switch of header lifting device of mini-type interlock, be the relation of logical “and” between described ceding of Taiwan power trigger switch and described taiwan cut off and landing trigger switch.Owing to being provided with meter mu trigger switch device, when harvester cutting bench does not put down, or the ceding of Taiwan is to put down but do not engage before power, even the cropper wheel is rotating, the numerical value that single chip computer device does not also return Hall element and ultrasonic transmitter is counted, and has improved greatly the degree of accuracy of harvest area metering.
Described single chip computer device comprises that described single chip computer device comprises single-chip microcomputer, be provided with for the data processing unit that receives and process described ultrasonic ranging cell signal and described results distance-measuring device signal the timing unit that is used for carrying out the parameter calculation unit of harvest area calculating and is used for measuring harvest time in described single-chip microcomputer.The present invention is take 51 single-chip microcomputers as control core, adopts the crystal oscillator of 11.0592Mhz, and the time of an instruction of every execution is 1ms, and to ensure time enough, the data such as the results distance that gathers when working for cropper and results width are changed.Results width by ultrasonic ranging unit measurement cropper, measure the total distance of results of cropper by Hall element, and undertaken by the data processing unit of single chip computer device inside and parameter calculation unit that data are processed, computing, at last with parameter displays such as the total area, total price on data presentation device.
The timing unit of described single chip computer device is to be connected with single-chip microcomputer by the 12M external crystal-controlled oscillation, and carries out timing by the timer of single-chip microcomputer, and the minimum time interval is 1us, can accurately carry out timing to harvest time and the stand-by period of cropper.Therefore because the stability of crystal oscillator is very high, the accuracy for the timing of cropper is very high, and error is almost nil.
What described data presentation device adopted is the color touch screen of a 640*480, by serial ports and single chip communication.Be transported to the data of single chip computer device according to ultrasonic transmitter and Hall element, corresponding data are presented on the color touch screen, and calculate accordingly according to the data of screen display, go out simultaneously the unit price of harvest area in the color touch screen display, total the price be exactly at last unit price and harvest area are multiplied each other, and be presented on the color touch screen, intuitive display facilitates peasant household and machinery operator to check.
Described touch-screen is double does described parameter setting apparatus, and described parameter setting apparatus comprises that button is raised in function selection key, valuation, button and valuation zero clearing button are lowered in valuation.By described parameter setting apparatus, can enter the price adjustment interface.Unit, angle that is provided with unit price on the price adjustment interface etc. selects button, and corresponding digital addition and subtraction button (i.e. button is raised in valuation and button is lowered in valuation) is arranged, be respectively that from " 0 " to " 9 " is regulated, click the return push-button on the color touch screen after unit price sets, just can return to main interface.
In addition, practise fraud in order to prevent the artificial cropper fee register that utilizes, be provided with specific mode of entrance aspect price adjustment, can only select the staff of some of the staff such as pricing bureau to enter, thereby can protect the interests of vast farmers, accomplish fair and just.This part is cipher mode, can adopt the encryption method of generally using at present, here repeats no more.
The mode of operation that button, valuation downward button and valuation zero clearing button are raised in function selection key, valuation is as follows:
Function selection key: enter angle modulation amount of money pattern after clicking, prepare the angle modulation amount of money; Enter first amount of money pattern of transferring after double-clicking, prepare to transfer first amount of money; Enter the ten yuan of amount of money patterns of transferring after three times; By the four next price adjustment patterns that withdraw from.
Button is raised in valuation: click, the corresponding amount of money adds one, is added to numeral ten and automatically becomes digital zero.
Button is lowered in valuation: click, the corresponding amount of money subtracts one, till reducing to digital zero.
In addition, for user friendly actual needs, be provided with a valuation zero clearing button on screen, when continuously according to valuation zero clearing button after a period of time, on screen except the price that has set is constant, all zero clearings such as other data such as area, total price etc. are so that carry out the measurement of harvest area next time.
Described single chip computer device also is connected with voice-output unit, is used for speech play cropper valuation parameter, uses to facilitate peasant household.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. ultrasound wave cropper Mu measuring device, is characterized in that, comprising:
Results width of measuring device, described results width of measuring device comprise hard-wired ultrasonic ranging unit respectively, harvester cutting bench crop entrance both sides, and the ultrasound wave transmit direction of described ultrasonic ranging unit is respectively towards the corresponding side surface of actual cut crop;
The results distance-measuring device is arranged on cropper;
Single chip computer device, described ultrasonic ranging unit and described results distance detection device are electrically connected to respectively described single chip computer device;
Data presentation device is connected with described single chip computer device signal;
Parameter setting apparatus is connected with described single chip computer device signal;
Meter mu trigger switch device is arranged on cropper, is connected with described single chip computer device.
2. ultrasound wave cropper Mu measuring device as claimed in claim 1, it is characterized in that, described meter mu trigger switch device comprises the ceding of Taiwan power trigger switch with the interlock of ceding of Taiwan propulsion system, with the taiwan cut off and landing trigger switch of header lifting device of mini-type interlock, be the relation of logical “and” between described ceding of Taiwan power trigger switch and described taiwan cut off and landing trigger switch.
3. ultrasound wave cropper Mu measuring device as claimed in claim 1, is characterized in that, described ultrasonic ranging unit comprises ultrasonic transmitter and the ultrasonic receiver corresponding with described ultrasonic transmitter.
4. ultrasound wave cropper Mu measuring device as claimed in claim 3, is characterized in that, during the work of described ultrasonic transmitter, overhead distance is: H 〉=Ltg (α/2); Wherein, overhead distance during the work of the described ultrasonic transmitter of H=, the distance between the described ultrasonic transmitter of L=two, the radiation angle of α=described ultrasonic transmitter.
5. ultrasound wave cropper Mu measuring device as claimed in claim 1, is characterized in that, described results distance-measuring device comprises the Hall element that is arranged on the cropper wheel shaft.
6. ultrasound wave cropper Mu measuring device as claimed in claim 1, it is characterized in that, described single chip computer device comprises that described single chip computer device comprises single-chip microcomputer, be provided with for the data processing unit that receives and process described ultrasonic ranging cell signal and described results distance-measuring device signal the timing unit that is used for carrying out the parameter calculation unit of harvest area calculating and is used for measuring harvest time in described single-chip microcomputer.
7. ultrasound wave cropper Mu measuring device as claimed in claim 1, is characterized in that, described data presentation device comprises the touch-screen that is connected with described single chip computer device signal.
8. ultrasound wave cropper Mu measuring device as claimed in claim 7, is characterized in that, described touch-screen is double does described parameter setting apparatus.
9. ultrasound wave cropper Mu measuring device as claimed in claim 8, is characterized in that, described parameter setting apparatus comprises that button is raised in function selection key, valuation, button and valuation zero clearing button are lowered in valuation.
10. the described ultrasound wave cropper of claim as arbitrary in claim 1 to 9 Mu measuring device, is characterized in that, described single chip computer device also is connected with voice-output unit.
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| CN201310066362.6A CN103115592B (en) | 2013-03-01 | 2013-03-01 | Ultrasound wave cropper Mu measuring device |
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| CN201310066362.6A CN103115592B (en) | 2013-03-01 | 2013-03-01 | Ultrasound wave cropper Mu measuring device |
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| CN103115592A true CN103115592A (en) | 2013-05-22 |
| CN103115592B CN103115592B (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040027A (en) * | 2019-12-26 | 2021-06-29 | 上海宏灿信息科技股份有限公司 | Visual wisdom agricultural system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1238579A1 (en) * | 2001-03-08 | 2002-09-11 | Deere & Company | Crop width measuring means |
| CN201222876Y (en) * | 2008-07-24 | 2009-04-22 | 李启海 | Full-automatic fee register of combine-harvester |
| CN201345827Y (en) * | 2008-12-31 | 2009-11-18 | 湖南农业大学 | Harvesting area on-line measuring device of combine harvester |
| CN201467717U (en) * | 2009-07-09 | 2010-05-19 | 孙文清 | Precise acre measuring device |
-
2013
- 2013-03-01 CN CN201310066362.6A patent/CN103115592B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1238579A1 (en) * | 2001-03-08 | 2002-09-11 | Deere & Company | Crop width measuring means |
| CN201222876Y (en) * | 2008-07-24 | 2009-04-22 | 李启海 | Full-automatic fee register of combine-harvester |
| CN201345827Y (en) * | 2008-12-31 | 2009-11-18 | 湖南农业大学 | Harvesting area on-line measuring device of combine harvester |
| CN201467717U (en) * | 2009-07-09 | 2010-05-19 | 孙文清 | Precise acre measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 谢剑斌等: "《视觉感知与智能视频监控》", 31 March 2012, article ""超声传感器"", pages: 63-65 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040027A (en) * | 2019-12-26 | 2021-06-29 | 上海宏灿信息科技股份有限公司 | Visual wisdom agricultural system |
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