CN212254029U

CN212254029U - Open-air spot test leaf area device

Info

Publication number: CN212254029U
Application number: CN202020367527.9U
Authority: CN
Inventors: 包广道; 刘婷; 张忠辉; 罗也; 林士杰; 王梓默; 李岩; 付世萃
Original assignee: Jilin Provincial Academy of Forestry Sciences
Current assignee: Jilin Provincial Academy of Forestry Sciences
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-12-29
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a device for rapidly measuring leaf area in the field, which comprises a host, a holding rod and a data acquisition part, wherein the host, the holding rod and the data acquisition part are connected into an integral structure; the host comprises a frame, a singlechip, a display screen, a power supply and a charging interface; the single chip microcomputer and the power supply are arranged in the rack, and the display screen is embedded on one extending side face of the rack; the single chip microcomputer, the display screen and the charging interface are electrically connected with a power supply; the singlechip is electrically connected with the display screen; the data acquisition part comprises a measuring arm, a pressing plate, a laser emitter, a photosensitive sensor and a sampling counter; the measuring arm is fixed on the upper parts of the host and the holding rod, the pressing plate is positioned on the upper part of the measuring arm, and the pressing plate is movably connected with one corresponding end of the measuring arm; the singlechip is electrically connected with the laser transmitter; the photosensitive sensor is electrically connected with the sampling counter, and the sampling counter is electrically connected with the single chip microcomputer. The utility model discloses simplified the structure greatly, easy operation is swift, and portable is suitable for and uses under the field environment.

Description

Open-air spot test leaf area device

Technical Field

The utility model relates to a vegetation information measuring equipment technical field, more specifically the utility model relates to an open-air spot test leaf area device that says so.

Background

The leaf area is an important index for representing the growth and development and the physiological ecology of the plants and is also a necessary reference factor for researching plant cultivation, genetic breeding and the like, so that the research cost can be effectively saved by quickly and accurately measuring the leaf area, and the research efficiency is improved. There are various methods for measuring the leaf area, and among them, the measurement using a leaf area measuring instrument is widely used.

However, most of the existing leaf area measuring instruments are complex in structure, inconvenient to carry, complex in operation, not suitable for field environment and incapable of meeting use requirements.

Therefore, it is an urgent need to solve the problem of providing a portable and easy-to-operate device for rapidly measuring leaf area in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an open-air spot test leaf area device has simplified the structure greatly, and easy operation is swift, and portable is suitable for and uses under the open-air environment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device for rapidly measuring the leaf area in the field comprises a host, a holding rod and a data acquisition part, wherein the host, the holding rod and the data acquisition part are connected into an integral structure;

the host comprises a rack, a singlechip, a display screen, a power supply and a charging interface; the single chip microcomputer and the power supply are installed inside the rack, and the display screen is embedded on one extending side face of the rack; the single chip microcomputer, the display screen and the charging interface are electrically connected with the power supply; the single chip microcomputer is electrically connected with the display screen;

the data acquisition part comprises a measuring arm, a pressing plate, a laser emitter, a photosensitive sensor and a sampling counter; the measuring arm is fixed on the upper parts of the host and the holding rod, the pressing plate is positioned on the upper part of the measuring arm, one end of the pressing plate corresponding to the measuring arm is movably connected with the measuring arm, and the laser emitter, the photosensitive sensor and the sampling counter are all arranged in the measuring arm; the single chip microcomputer is electrically connected with the laser transmitter; the photosensitive sensor is electrically connected with the sampling counter, and the sampling counter is electrically connected with the single chip microcomputer.

Further, the intelligent control system also comprises an external data memory, wherein the external data memory is arranged inside the host and electrically connected with the single chip microcomputer.

Further, the distance between the extension end of the holding rod and the end surface of the data acquisition part close to the holding rod is 8-12 cm.

Further, the power supply is a rechargeable battery.

Further, the type of the single chip microcomputer is AT89C 52.

Through taking above scheme, the beneficial effects of the utility model are that:

1) the host and the data acquisition part form an integral structure, the structure volume is greatly reduced, the carrying is convenient, a user holds the holding rod by hand and the operation is easy, the measurement of the leaf area and the data acquisition are completed through the data acquisition part, a laser beam emitted by the laser emitter is reflected from the inner surface of the measurement arm and then received by the photosensitive sensor, the receiving level of the photosensitive sensor is compared with the fixed threshold level, the data is transmitted to the sampling counter to record and calculate the size of the leaf, the data acquisition, storage, display and transmission functions are realized through the singlechip, and the man-machine information exchange is realized through the display screen;

2) through setting up external data memory, can gather and store a large amount of measured data, satisfy the user demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a device for rapidly measuring leaf area in the field according to the present invention;

fig. 2 is a schematic diagram of a circuit connection relationship of the device for rapidly measuring the leaf area in the field according to the present invention.

In the figure: 1-host computer, 2-holding rod, 3-data acquisition part, 11-display screen, 12-charging interface, 31-measuring arm and 32-pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the embodiment of the utility model discloses a device for rapidly determining leaf area in the field, which comprises a host 1, a holding rod 2 and a data acquisition part 3, wherein the host 1, the holding rod 2 and the data acquisition part 3 are connected into an integral structure; the host 1 comprises a frame, a singlechip, a display screen 11, a power supply and a charging interface 12; the single chip microcomputer and the power supply are arranged in the rack, and the display screen 11 is embedded on one extending side face of the rack; the single chip microcomputer, the display screen 11 and the charging interface are electrically connected with a power supply; the single chip microcomputer is electrically connected with the display screen 11; the data acquisition part 3 comprises a measuring arm 31, a pressing plate 32, a laser emitter, a photosensitive sensor and a sampling counter; the measuring arm 31 is fixed on the upper parts of the host 1 and the holding rod 2, the pressing plate 32 is positioned on the upper part of the measuring arm 31, the pressing plate 32 is movably connected with one corresponding end of the measuring arm 31, and the laser emitter, the photosensitive sensor and the sampling counter are all arranged inside the measuring arm 31; the singlechip is electrically connected with the laser transmitter; the photosensitive sensor is electrically connected with the sampling counter, and the sampling counter is electrically connected with the single chip microcomputer. The utility model discloses host computer 1 and data acquisition portion 3 form a body structure, the structure volume has been dwindled greatly, and is convenient for carry, the holding rod is handed to the user, easy operation, the measurement of leaf area and the collection of data are accomplished through data acquisition portion 3, the laser beam that laser emitter sent is reflected from the internal surface of measuring arm 31, receive by photosensitive sensor again, photosensitive sensor receives the level and makes the comparison with fixed threshold level, data transmission records and calculates the blade size to the sampling counter in, realize the collection of data through the singlechip, the storage, show and transmission function, realize man-machine exchange information through display screen 11, whole measurement process is simple and convenient, and is quick accurate, be suitable for and use under the field environment.

Specifically, still include external data memory, external data memory sets up inside host computer 1, and with singlechip electric connection.

Specifically, the distance between the extending end of the holding rod 2 and the end surface of the data acquisition part 3 close to the holding rod is 8-12 cm.

Specifically, the power source is a rechargeable battery.

Specifically, the type of the singlechip is AT89C 52.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for rapidly measuring the leaf area in the field is characterized by comprising a host, a holding rod and a data acquisition part, wherein the host, the holding rod and the data acquisition part are connected into an integral structure;

the data acquisition part comprises a measuring arm, a pressing plate, a laser emitter, a photosensitive sensor and a sampling counter; the measuring arm is fixed on the upper portions of the host and the holding rod, the pressing plate is located on the upper portion of the measuring arm and is movably connected with one end of the measuring arm, and the laser emitter, the photosensitive sensor and the sampling counter are all installed inside the measuring arm; the single chip microcomputer is electrically connected with the laser transmitter; the photosensitive sensor is electrically connected with the sampling counter, and the sampling counter is electrically connected with the single chip microcomputer.

2. The device for rapidly determining the leaf area in the wild according to claim 1, further comprising an external data memory, wherein the external data memory is arranged inside the host and electrically connected with the single chip microcomputer.

3. The device for rapidly measuring the leaf area in the field according to claim 1, wherein the distance between the extension end of the holding rod and the end surface of the data acquisition part close to the holding rod is 8-12 cm.

4. The device for rapidly determining the leaf area in the field according to claim 1, wherein the power source is a rechargeable battery.

5. The device for rapidly measuring the leaf area in the wild according to claim 1, wherein the type of the single chip microcomputer is AT89C 52.