CN116171713A - Grass collecting mechanism and mower - Google Patents
Grass collecting mechanism and mower Download PDFInfo
- Publication number
- CN116171713A CN116171713A CN202310300527.5A CN202310300527A CN116171713A CN 116171713 A CN116171713 A CN 116171713A CN 202310300527 A CN202310300527 A CN 202310300527A CN 116171713 A CN116171713 A CN 116171713A
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- CN
- China
- Prior art keywords
- grass
- collecting frame
- detection unit
- conductive
- collecting mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
- A01D43/063—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material in or into a container carried by the mower; Containers therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/06—Sheaf shockers or stookers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Abstract
The invention discloses a grass collecting mechanism and a grass mower; the grass collecting frame comprises a grass collecting frame and at least one conductive detection sensor, wherein the conductive detection sensor is used for detecting whether the grass collecting frame is full; the conductive detection sensor comprises a detection unit and a processing unit, wherein the detection unit is arranged at the top of the grass collecting frame and is used for being electrically connected with cut grass; the processing unit is electrically connected with the detection unit and is used for judging whether the detection unit is electrically connected with the cut grass or not. According to the invention, the detection unit is arranged in the grass collecting frame, when the grass in the grass collecting frame is not full, the detection unit is in a disconnection state, and when the grass in the grass collecting frame is more and more, and reaches the top of the grass collecting frame, the detection unit is conducted through the grass, after the processing unit detects that the detection unit is conducted, the grass in the grass collecting frame can be judged to be full, whether the grass collecting frame is full is judged through whether the detection unit is conducted, the influence of dust and broken grass during grass collection is avoided, and the precision of grass full detection can be greatly improved.
Description
Technical Field
The invention relates to the technical field of mowers, in particular to a grass collecting mechanism and a mowing machine.
Background
The mowing robot needs to collect grass, the grass collection container is full, a signal needs to be sent to the main board, a detection device for identifying that the grass is full is needed at the moment, for example, the application number is 202211131924.6, the mowing robot is an invention patent of mowing equipment, the movable part is used for touching the form of the micro switch, grass scraps can be clamped when the mowing robot is actually used, the mowing robot is invalid, moreover, the grass needs to push the micro switch to trigger, enough thrust is needed, the mowing robot is difficult to realize for a common small-sized mower when in use, and the grass full detection precision is poor. Or using infrared, laser, ultrasonic, millimeter wave radar equidistant sensor schemes, but sensors of this type are unstable in their data and poor in accuracy of grass detection when identifying clutter or flying grass clippings.
Disclosure of Invention
The invention mainly solves the technical problems of providing a grass collecting mechanism and a grass mower, and solves the problem of poor precision when grass full detection is carried out on the grass mower.
In order to solve the technical problems, the invention adopts a technical scheme that a grass collecting mechanism is provided, comprising: the grass collecting frame and at least one conductive detection sensor are used for detecting whether the grass collecting frame is full or not; the conductive detection sensor comprises a detection unit and a processing unit, wherein the detection unit is arranged at the top of the grass collecting frame and is used for being electrically connected with cut grass; the processing unit is electrically connected with the detection unit and is used for judging whether the detection unit is electrically connected with the cut grass or not.
Preferably, the detecting units are multiple, and are arranged at the top of the grass collecting frame at intervals in a straight line.
Preferably, the detection unit is arranged at each edge of the grass collecting frame.
Preferably, the detection unit comprises a first conductor which is electrically connected with the processing unit and represents an anode and a second conductor which represents a cathode, wherein the first conductor and the second conductor are arranged at intervals and protrude out of the grass collecting frame and extend for a preset distance.
Preferably, the detection unit is in any form of a conductive column, a conductive plate, a conductive block, a conductive film, an electrode, a conductive bump or a conductive sheet.
Preferably, the detection unit is in the form of a conductive column, and is made of carbon fiber or metal.
Preferably, the grass collecting mechanism further comprises a weight sensor for detecting the weight of grass collected by the grass collecting mechanism.
Preferably, the grass collecting mechanism further comprises a distance sensor for detecting the distance between the grass collected in the grass collecting frame and the top of the grass collecting frame.
Preferably, the distance sensor is one of infrared, laser, ultrasonic or millimeter wave radar.
The invention also provides a mower, which comprises a controller and the grass collecting mechanism, wherein when the grass collecting mechanism detects that grass is full, the controller controls the grass collecting mechanism to pour out grass.
The beneficial effects of the invention are as follows: according to the invention, the detection unit is arranged in the grass collecting frame, when the grass in the grass collecting frame is not full, the detection unit is in a disconnection state, and when the grass in the grass collecting frame is more and more, and reaches the top of the grass collecting frame, the detection unit is conducted through the grass, after the processing unit detects that the detection unit is conducted, the grass in the grass collecting frame can be judged to be full, whether the grass collecting frame is full is judged through whether the detection unit is conducted, the influence of dust and broken grass during grass collection is avoided, and the precision of grass full detection can be greatly improved. The data stability of the grass full detection is higher, and the judgment is simpler.
Drawings
FIG. 1 is a schematic diagram of a structure according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a detecting unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a structure according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of a detecting unit according to another embodiment of the present invention;
FIG. 5 is a schematic view of a structure for installing a weight sensor according to another embodiment of the present invention;
fig. 6 is a schematic view of a structure for installing a distance sensor according to another embodiment of the present invention.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
FIGS. 1-6 show an embodiment of a grass-collecting mechanism of the present invention, comprising a grass-collecting frame 1 and at least one conductive detection sensor for detecting whether the grass-collecting frame 1 is full; the conductive detection sensor comprises a detection unit 2 and a processing unit (not shown in the figure), wherein the detection unit 2 is arranged at the top of the grass collecting frame 1 and is used for being electrically connected with cut grass; the processing unit is electrically connected with the detecting unit 2 and is used for judging whether the detecting unit 2 is electrically connected with the cut grass or not.
In the invention, the detecting unit 2 is arranged in the grass collecting frame 1, when the grass in the grass collecting frame 1 is not full, the detecting unit 2 is in a disconnection state, and when the grass in the grass collecting frame 1 is more and more, and reaches the top of the grass collecting frame 1, the detecting unit 2 is conducted through the grass, after the processing unit detects that the detecting unit 2 is conducted, the grass in the grass collecting frame 1 can be judged to be full, whether the grass collecting frame 1 is full is judged through whether the detecting unit 2 is conducted, the influence of dust and broken grass during grass collection is avoided, and the precision of grass full detection can be greatly improved. The data stability of the grass full detection is higher, and the judgment is simpler.
The processing unit can be a singlechip, a controller of a mower, and the like. The detection unit 2 may be electrically connected to the processing unit by means of wires.
The detection unit 2 can be arranged at the middle position of the top of the grass collecting frame 1, the side frame of the top, the included angle of the top and the like, and the position of the detection unit 2 is the maximum position which can be reached by grass after grass is full.
The number of the detecting units 2 may be plural, and the plurality of detecting units 2 may be formed into different shapes, for example, the detecting units 2 may be formed into a circular shape, a linear shape, a polygonal shape, etc., and the shapes may be correspondingly set in combination with the shape of the grass collecting frame 1, so that grass collecting conditions at different corresponding positions may be detected.
The detection units 2 are arranged at the top of the grass collecting frame 1 at intervals in a straight line. This allows the detection unit 2 to cover the top of the entire grass collection frame 1, and to accurately detect grass when it is full.
The detection unit 2 is arranged at each edge of the grass collecting frame 1. This allows the detection unit 2 to cover the entire edge of the grass collecting frame 1, and to accurately detect the grass when the grass is full.
Preferably, the detecting unit 2 includes a first conductor 21 electrically connected to the processing unit and representing a positive electrode, and a second conductor 22 representing a negative electrode, and the first conductor 21 and the second conductor 22 are disposed at intervals and protrude from the grass collecting frame 1 and extend for a preset distance.
The first conductor 21 and the second conductor 22 may be made of a metal material capable of conducting electricity, for example: metals such as iron, aluminum, copper, etc. The first conductor 21 and the second conductor 22 can be arranged on an insulating fixing plate 23 at intervals, when no grass is arranged to electrically connect the first conductor 21 and the second conductor 22, the first conductor 21 and the second conductor 22 are non-conductive, when grass is arranged between the first conductor 21 and the second conductor 22 to electrically connect the first conductor 21 and the second conductor 22, the first conductor 21 and the second conductor 22 are conductive, and the grass is distributed in the space between the first conductor 21 and the second conductor 22, namely, the grass is fully collected in the grass collecting frame 1.
The first conductors 21 and the second conductors 22 may be in a one-to-one correspondence, as shown in fig. 1 and 2, i.e. one first conductor 21 corresponds to one second conductor 22. When the corresponding first conductor 21 and second conductor 22 are conducted, the grass collection frame 1 is full of grass. When the first conductor 21 and the second conductor 22 are in one-to-one correspondence, pairs may be provided, and the pairs appear in pairs.
The first conductors 21 and the second conductors 22 may be in a one-to-many relationship, as shown in fig. 3 and 4, that is, one first conductor 21 may correspond to a plurality of second conductors 22, or one second conductor 22 may correspond to a plurality of first conductors 21, and when the first conductors 21 and the second conductors 22 are in a one-to-many relationship, any one of the first conductors 21 and the second conductors 22 may be conducted, it may be indicated that grass in the grass collecting frame 1 is full. Alternatively, when a plurality or all of the first conductor 21 and the plurality of second conductors 22 are turned on, it may be indicated that the grass in the grass collecting frame 1 is full. The more the first conductors 21 and the second conductors 22, the higher the accuracy of grass fullness detection, and those skilled in the art can perform reasonable setting according to factors such as cost, structure of the grass collecting frame 1, and the like. The detection of the plurality of first conductors 21 and the plurality of second conductors 22 can be combined with an algorithm to obtain the current grass loading position and progress, which is beneficial to planning corresponding actions.
The detection unit 2 is in any form of a conductive column, a conductive plate, a conductive block, a conductive film, an electrode, a conductive bump or a conductive sheet. That is, the shapes of the first conductor 21 and the second conductor 22 may be in the form of a column, a plate, a block, a film, a dot, a sheet, etc., and only need to protrude from the grass collecting frame 1 by a predetermined distance so that grass can be contacted.
Preferably, the detection unit 2 is in the form of a conductive column. The preset distance is 0.5cm-5cm.
In response to extreme situations, when completely dry grass or fallen leaves are cut and the detection unit 2 cannot be turned on, other sensors can be added to assist in detecting grass fullness.
Preferably, as shown in fig. 5, the grass collecting mechanism further comprises a weight sensor 3 for detecting the weight of grass collected by the grass collecting mechanism. The weight sensor 3 may be a pressure sensor, a piezo-resistor, a film pressure sensor, etc. The weight sensor 3 can be arranged at the lower part of the grass collecting frame 1, the quantity of grass in the grass collecting frame 1 can be judged through the pressure born by the weight sensor 3, and whether the grass in the grass collecting frame 1 is full or not can be judged by combining the weight sensor 3.
Preferably, as shown in fig. 6, the grass collecting mechanism further comprises a distance sensor 4 for detecting the distance between the grass collected in the grass collecting frame 1 and the top of the grass collecting frame 1. The distance sensor 4 can be arranged at the top of the grass collecting frame 1, the distance between the grass and the top of the grass collecting frame 1 is judged, and when the distance between the grass and the top of the grass collecting frame 1 is smaller than 0.2cm-0.5cm, the grass in the grass collecting frame 1 can be judged to be full.
The distance sensor 4 is one of infrared, laser, ultrasonic or millimeter wave radar. Millimeter wave radar is preferred. Millimeter wave radar has the characteristics of small volume, light weight and high spatial resolution. Compared with infrared rays, laser, televisions and the like, the millimeter wave radar has strong capability of penetrating fog, smoke and dust, and can reduce the influence of grass dust on grass fullness detection precision.
When using millimeter wave radar and detecting element to detect grass full jointly, can also set up detecting element into conductive column shape, the material is carbon fiber, millimeter by the radar can be comparatively accurate detect the conductive column of carbon fiber material, the carbon fiber material is lighter, avoids great increase mower's weight. When the grass-collecting device is used, whether the grass covers the conductive column is identified through millimeter wave radar scanning, and when the millimeter wave radar cannot scan the conductive column, the grass is collected.
Based on the same inventive concept, the invention also provides a mower, which comprises a controller and the grass collecting mechanism, wherein when the grass collecting mechanism detects that grass is full, the controller controls the grass collecting mechanism to pour out grass.
According to the invention, the detection unit is arranged in the grass collecting frame, when the grass in the grass collecting frame is not full, the detection unit is in a disconnection state, and when the grass in the grass collecting frame is more and more, and reaches the top of the grass collecting frame, the detection unit is conducted through the grass, after the processing unit detects that the detection unit is conducted, the grass in the grass collecting frame can be judged to be full, whether the grass collecting frame is full is judged through whether the detection unit is conducted, the influence of dust and broken grass during grass collection is avoided, and the precision of grass full detection can be greatly improved. The data stability of the grass full detection is higher, and the judgment is simpler.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The grass collecting mechanism is characterized by comprising a grass collecting frame and at least one conductive detection sensor, wherein the conductive detection sensor is used for detecting whether the grass collecting frame is full; the conductive detection sensor comprises a detection unit and a processing unit, wherein the detection unit is arranged at the top of the grass collecting frame and is used for being electrically connected with cut grass; the processing unit is electrically connected with the detection unit and is used for judging whether the detection unit is electrically connected with the cut grass or not.
2. The grass collecting mechanism of claim 1, wherein the plurality of detection units are arranged at the top of the grass collecting frame at intervals in a straight line.
3. The grass-collecting mechanism of claim 1, wherein the detection unit is provided at each edge of the grass-collecting frame.
4. The grass-collecting mechanism according to claim 1, wherein the detecting unit includes a first conductor electrically connected to the processing unit and representing an anode and a second conductor representing a cathode, the first conductor and the second conductor being disposed at a distance from each other and protruding from the grass-collecting frame and extending a predetermined distance.
5. The grass-collecting mechanism of claim 4, wherein the detection unit is in any form of a conductive post, a conductive plate, a conductive block, a conductive film, an electrode, a conductive bump, or a conductive sheet.
6. The grass-collecting mechanism of claim 5, wherein the detecting unit is in the form of a conductive column, and is made of carbon fiber or metal.
7. The grass-collecting mechanism of any one of claims 1 to 6, further comprising a weight sensor for weight detection of grass collected by the grass-collecting mechanism.
8. The grass-collecting mechanism of any one of claims 1-6, further comprising a distance sensor for detecting a distance between grass collected in the grass-collecting frame and a top of the grass-collecting frame.
9. The grass-collecting mechanism of claim 8, wherein the distance sensor is one of infrared, laser, ultrasonic, or millimeter wave radar.
10. A lawnmower comprising a controller and a grass-collecting mechanism according to any one of claims 1 to 9, wherein the controller controls the grass-collecting mechanism to pour out grass when the grass-collecting mechanism detects that grass is full.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310300527.5A CN116171713A (en) | 2023-03-20 | 2023-03-20 | Grass collecting mechanism and mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310300527.5A CN116171713A (en) | 2023-03-20 | 2023-03-20 | Grass collecting mechanism and mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116171713A true CN116171713A (en) | 2023-05-30 |
Family
ID=86446495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310300527.5A Pending CN116171713A (en) | 2023-03-20 | 2023-03-20 | Grass collecting mechanism and mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116171713A (en) |
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2023
- 2023-03-20 CN CN202310300527.5A patent/CN116171713A/en active Pending
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