CN215810626U

CN215810626U - Stem leaf included angle measurer

Info

Publication number: CN215810626U
Application number: CN202122106919.7U
Authority: CN
Inventors: 季舜华; 詹仁锋; 傅兴浩; 范坚强; 邓小华; 陈义强; 崔振伟; 王超超; 陈龚; 赖荣华; 方璟; 张烨
Original assignee: China Tobacco Fujian Industrial Co Ltd
Current assignee: China Tobacco Fujian Industrial Co Ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-11
Anticipated expiration: 2031-09-02

Abstract

The disclosure relates to the technical field of vegetation size measurement, in particular to a device for measuring included angle of stems and leaves. The stem leaf contained angle caliber includes: a first arm; a second arm rotatably connected to the first arm; and the protractor is connected between the first arm and the second arm and is arranged in a foldable manner so as to be unfolded or folded along with the relative rotation of the first arm and the second arm. Based on this, can conveniently realize the measurement to stem leaf contained angle.

Description

Stem leaf included angle measurer

Technical Field

The disclosure relates to the technical field of vegetation size measurement, in particular to a device for measuring included angle of stems and leaves.

Background

In the growing process of some vegetation, dimension parameters such as the included angle of stems and leaves and the like need to be measured so as to facilitate the understanding of the growing condition of the vegetation. For example, in the tobacco planting industry, the included angle between the stem and leaf of a tobacco plant is an important index reflecting the maturity degree of the tobacco, and needs to be measured.

Therefore, it is necessary to provide a measuring device capable of conveniently measuring the included angle of the stem leaves.

Disclosure of Invention

The present disclosure aims to provide a device for measuring the included angle of stem and leaf, so as to conveniently measure the included angle of stem and leaf.

In order to achieve the above object, the stem leaf included angle measurer provided by the present disclosure includes:

a first arm;

a second arm rotatably connected to the first arm; and

and the protractor is connected between the first arm and the second arm and is arranged in a foldable manner so as to be unfolded or folded along with the relative rotation of the first arm and the second arm.

In some embodiments, the maximum deployment angle of the protractor is 90 °; and/or the protractor is in a sector shape.

In some embodiments, the protractor comprises a plurality of protractor tabs foldably connected together, and two protractor tabs located at an outermost side are connected to the first arm and the second arm, respectively.

In some embodiments, the protractor comprises 9 protractor slices, each corresponding to an angle of 10 °.

In some embodiments, the angle graduation marks on each of the protractor plates arranged in sequence along the protractor deployment direction increase in value in sequence.

In some embodiments, each goniometer blade is fan-shaped.

In some embodiments, one angle scale line is provided every 10 ° on the protractor.

In some embodiments, the first arm and/or the second arm are provided with length graduations.

In some embodiments, the first ends of the first and second arms are rotatably connected and the second ends of the first and second arms are free.

In some embodiments, the first ends of the first and second arms are each provided with a coupling hole through which a threaded coupling member passes and is locked by a nut.

Based on this stem leaf contained angle caliber that provides, only need expand first arm and second arm, read the scale on the protractor that the stem leaf corresponds, can realize the measurement to stem leaf contained angle, simple and convenient.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a stem leaf angle measurer in an unfolded state in the embodiment of the present disclosure.

Fig. 2 is a front view of the stem leaf angle measuring device in the folded state in the embodiment of the present disclosure.

FIG. 3 is a side view of the device for measuring the included angle of stem leaves in the folded state in the embodiment of the present disclosure.

Fig. 4 is a schematic structural view of the protractor in the unfolded state according to the embodiment of the present disclosure.

Description of reference numerals:

10. a stem leaf included angle measurer;

1. a first arm; 11. length scale lines; 12. connecting holes;

2. a second arm;

3. a protractor; 31. a corner measuring sheet; 32. angle scale lines;

4. a threaded connection;

5. and a nut.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without any inventive step, are intended to be within the scope of the present disclosure.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are presented only for the convenience of describing and simplifying the disclosure, and in the absence of a contrary indication, these directional terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the disclosure; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

In the description of the present disclosure, it should be understood that the terms "first", "second", etc. are used to define the components, and are used only for convenience of distinguishing the corresponding components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present disclosure.

In addition, technical features involved in different embodiments of the present disclosure described below may be combined with each other as long as they do not conflict with each other.

During the growth process of vegetation such as tobacco plants, some size parameters need to be measured so as to accurately know the growth condition of the vegetation. For example, during the growth process of flue-cured tobacco leaves, the sizes of stem-leaf included angles, stem-stalk pitches and the like need to be measured. Wherein, the included angle of the stem leaves and the leaves refers to the natural included angle between the stem and the growing leaves. The change of the included angle of the stem leaves is consistent with the maturity of the tobacco leaves, and the included angle of the stem leaves can quantitatively reflect the maturity of the tobacco leaves. The maturity of the tobacco leaves is determined based on the change of the included angle of the stems and leaves, and the method is visual and obvious and is easy to be mastered by tobacco growers.

At present, the included angle of the stem leaves is generally measured by a common electronic protractor, and in the measuring process, the reading is carried out by contact points. However, the electronic protractor usually needs two persons to cooperate to complete the measurement, and because the blade has a radian in a natural state, the blade is often difficult to fix and difficult to read, and because the shape characteristics of each plant are different, the electronic protractor cannot be perfectly attached, so that the problems of inaccurate contact, large error of the measurement result and the like exist.

In order to solve the problems, the present disclosure provides a stem leaf included angle measuring device which is convenient to use.

Fig. 1 to 4 exemplarily show the structure of the stem leaf angle measuring instrument of the present disclosure.

Referring to fig. 1-4, in an embodiment of the present disclosure, a stem leaf angle measurer 10 includes a first arm 1, a second arm 2, and an angle gauge 3. Wherein the first arm 1 and the second arm 2 are rotatably connected. The protractor 3 is connected between the first arm 1 and the second arm 2 and is foldably provided to be unfolded or folded with the relative rotation of the first arm 1 and the second arm 2.

Based on the above arrangement, the stem leaf included angle measurer 10 can make the protractor 3 expand through the relative rotation of the first arm 1 and the second arm 2 on the premise of not causing damage to plants, and can realize the measurement of the stem leaf included angle by reading the reading of the leaves on the protractor 3.

When the device is used specifically, only one of the first arm 1 and the second arm 2 needs to be aligned with the stem, the other arm of the first arm 1 and the second arm 2 naturally drops, then the angle of the protractor 3 aligned with the tail end of the leaf is read through eyes, the included angle of the stem and the leaf can be obtained, and the measurement of the included angle of the stem and the leaf is realized.

Above-mentioned process, stem leaf contained angle caliber 10's is fixed comparatively easily, only needs the one hand can accomplish, and the reading is convenient, can not destroy the plant, and simultaneously, an arm that hangs down need not go the laminating blade, can accomplish the measurement, consequently can adapt to the shape characteristic of different blades and different plants in a flexible way, and can avoid the inaccurate measuring error's that causes of laminating problem, and the measuring accuracy is higher. In addition, the whole stem leaf included angle measuring device 10 can be folded and furled after being used, and is convenient to carry.

Therefore, the stem leaf included angle measuring device 10 provided by the embodiment of the disclosure is convenient and flexible to use, and can conveniently measure the included angle of the stem leaf without damaging the plant.

Wherein, in order to achieve a relative rotation of the first arm 1 and the second arm 2, see fig. 1-3, in some embodiments the first ends of the first arm 1 and the second arm 2 are rotatably connected and the second ends of the first arm 1 and the second arm 2 are free. In particular, as can be seen in fig. 1-3, in some embodiments, the first ends of the first arm 1 and the second arm 2 are each provided with a coupling hole 12, and the threaded coupling member 4 (e.g., a bolt) passes through the coupling hole 12 and is locked by the nut 5. In this way, the first arm 1 and the second arm 2 can rotate relatively, so that the free ends of the first arm 1 and the second arm 2 can move close to or away from each other, and the protractor 3 is driven to unfold or fold.

The protractor 3 is provided with angle scale lines 32. When the first arm 1 and the second arm 2 are rotated in the first direction (clockwise in fig. 1), the protractor 3 is gradually unfolded, and the angle scale lines 32 on the protractor 3 are gradually exposed, so as to facilitate angle measurement. When the first arm 1 and the second arm 2 rotate in the second direction (i.e., counterclockwise in fig. 1), the protractor 3 gradually retracts, and the angle scale lines 32 on the protractor 3 gradually hide. When the stem leaf included angle measurer is completely folded, as shown in fig. 3, the first arm 1 and the second arm 2 are overlapped together, the protractor 3 is clamped between the first arm and the second arm, and the whole stem leaf included angle measurer 10 is approximately rectangular, small in size and convenient to carry.

The maximum relative angle of rotation between the first arm 1 and the second arm 2 may be determined by the protractor 3. For example, referring to fig. 1, in some embodiments, the maximum deployment angle of the protractor 3 is 90 °, and the maximum relative rotation angle between the first arm 1 and the second arm 2 is 90 °, which makes one of the first arm 1 and the second arm 2 naturally fall to a position perpendicular to the stalk when the other arm of the first arm 1 and the second arm 2 is aligned parallel to the stalk, so that the stem-leaf included angle value can be read more conveniently, and the plant is less prone to being injured.

Fig. 4 further shows the construction of the protractor 3. As can be seen from fig. 4 and fig. 1, in some embodiments, the protractor 3 includes a plurality of protractor tabs 31, the plurality of protractor tabs 31 are foldably connected together, and two protractor tabs 31 located at the outermost side are respectively connected with the first arm 1 and the second arm 2. Therefore, when the first arm 1 and the second arm 2 rotate relatively, the angle gauge sheets 31 can be driven to rotate relatively, and the protractor 3 can be controlled to be unfolded and folded.

As an example, as shown in fig. 4, the protractor 3 includes 9 protractor plates 31, and each protractor plate 31 corresponds to an angle range of 10 °. Like this, the measurable quantity angle scope of whole protractor 3 is 0 ~ 90, satisfies the measurement demand of stem leaf contained angle, because, the value range of stem leaf contained angle also is 0 ~ 90. At this time, the maximum deployment angle of the protractor 3 is 90 °, and the maximum relative rotation angle of the first arm 1 and the second arm 2 is 90 °.

With continued reference to fig. 4, in some embodiments, the angle scale 32 on each angle scale 31 is located in the middle of each angle scale 31 in the deployment direction (i.e., clockwise) of the angle protractor 3, corresponding to angle values of 5 °, 15 °, 25 °, 35 °, 45 °, 55 °, 65 °, 75 ° and 85 °, respectively, and the initial edge of the angle gauge 31 in the unfolding direction is marked with angle values of 0 °, 10 °, 20 °, 30 °, 40 °, 50 °, 60 °, 70 ° and 80 °, respectively, in which case the measurable angle range of the angle gauge 3 is 0-90 °, and one angle scale line 32 is arranged on the protractor 3 every 10 degrees, that is, the angle between two adjacent angle scale lines 32 is 10 degrees, meanwhile, the values of the angle scale lines 32 on the respective protracting tabs 31, which are sequentially arranged in the extending direction of the protractor 3, sequentially increase.

Additionally, referring to fig. 4, in some embodiments, each of the horns 31 has a fan shape. Thus, the whole protractor 3 is in a fan shape, which is more convenient for the protractor 3 to fold along with the relative rotation of the first arm 1 and the second arm 2.

As a further improvement of the previous embodiments, referring to fig. 1 and 2, in some embodiments the first arm 1 and/or the second arm 2 are provided with length graduations 11. Specifically, in fig. 1 and 2, length scale marks 11 are provided on both the first arm 1 and the second arm 2.

Based on the above arrangement, the stem leaf included angle measurer 10 can measure not only the stem leaf included angle, but also the length size such as the stem stalk pitch, and the function is richer.

Taking the measurement of the pitch of the stalks as an example, when the device is used, only one of the first arm 1 and the second arm 2 needs to be aligned with the stalks in parallel, and then the length dimension of each stalk on the arm aligned with the stalk is read, so that the pitch dimension of the stalks can be obtained.

The measurement process of the length sizes such as the stem pitch can be carried out simultaneously in the measurement process of the stem leaf included angle, and can also be carried out independently, for example, the measurement process can be carried out by taking the stem leaf included angle measurer 10 as a straight ruler after the stem leaf included angle measurer 10 is folded, and the measurement of the length sizes such as the stem pitch is carried out by utilizing the scales on the first arm 1 and/or the second arm 2.

The first arm 1 and/or the second arm 2 may be provided to have a certain length so as to measure a plurality of data at a time when measuring the length dimension of the pitch of the stalks.

Therefore, the stem leaf included angle measurer 10 provided by the embodiment of the disclosure is a portable measurer, and has the advantages of convenience in folding, carrying and measurement, high accuracy, flexibility in use, rich functions and the like.

The stem leaf included angle measurer 10 provided by the embodiment of the disclosure is applied to plant measurement, and the growth condition of plants can be conveniently known. Particularly, the method can be used for measuring the tobacco plants so as to facilitate tobacco growers to accurately know the maturity of the tobacco leaves.

The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims

1. An apparatus (10) for measuring the angle of stalk and leaf, comprising:

a first arm (1);

a second arm (2) rotatably connected to the first arm (1); and

the protractor (3) is connected between the first arm (1) and the second arm (2) and is arranged in a foldable mode so as to be unfolded or folded along with the relative rotation of the first arm (1) and the second arm (2).

2. The device (10) for measuring the included angle between stem and leaf according to claim 1, characterized in that the angle gauge (3) has a maximum angle of extension of 90 °; and/or the protractor (3) is in a sector shape.

3. The device (10) for measuring the included angle between stem and leaf as claimed in claim 1, wherein the protractor (3) comprises a plurality of protractor tabs (31), the plurality of protractor tabs (31) are foldably connected together, and two outermost protractor tabs (31) are respectively connected with the first arm (1) and the second arm (2).

4. The device (10) for measuring the stem leaf angle as claimed in claim 3, wherein the protractor (3) comprises 9 protractor plates (31), each protractor plate (31) corresponding to an angle of 10 °.

5. The device (10) for measuring the stem leaf angle as claimed in claim 3, wherein the angle graduation marks (32) on each angle measuring piece (31) arranged in sequence along the direction of extension of the angle gauge (3) increase in sequence.

6. The device (10) for measuring the included angle between stems and leaves as claimed in claim 4, wherein each of the measuring pieces (31) is in the shape of a sector.

7. The stem leaf included angle measurer (10) as claimed in any one of claims 1 to 6, characterised in that an angle scale mark (32) is provided on the protractor (3) at intervals of 10 °.

8. The device (10) for measuring the included angle between stem leaves as claimed in any one of claims 1 to 6, wherein the first arm (1) and/or the second arm (2) is provided with length scale marks (11).

9. The device (10) for measuring the stem-leaf angle as claimed in any one of claims 1 to 6, wherein the first arm (1) and the second arm (2) are rotatably connected at a first end and the first arm (1) and the second arm (2) are free at a second end.

10. The stem leaf included angle measurer (10) as claimed in claim 9, wherein the first ends of the first arm (1) and the second arm (2) are both provided with a connecting hole (12), and the threaded connecting piece (4) penetrates through the connecting hole (12) and is locked by the nut (5).