CN112243990A

CN112243990A - Central fixed walking type water, fertilizer and pesticide integrated machine

Info

Publication number: CN112243990A
Application number: CN202011242483.8A
Authority: CN
Inventors: 马骏
Original assignee: Anhui Irritech Agriculture Equipment Corp ltd
Current assignee: Anhui Irritech Agriculture Equipment Corp ltd
Priority date: 2019-12-28
Filing date: 2020-11-09
Publication date: 2021-01-22
Also published as: CN111066759A; CN112154999A; WO2021129666A1; WO2021128476A1; CN112243989A; CN112154999B

Abstract

One or more embodiments of this description provide a central fixed walking liquid manure medicine all-in-one, include: the tower, the span body, the mobile platform and the conveying assembly; at least two of the towers are sequentially arranged at intervals, and the span body is arranged between the towers in a spanning mode; the conveying assembly is configured to move the moving platform along the span; the mobile platform is configured to be provided with a drug application unit; the pesticide applying unit is used for realizing the function of spraying pesticide on crops; the sowing unit is used for realizing the function of sowing seeds of crops; the monitoring unit is used for monitoring and collecting the state data of the crops or the environmental state data of the crops. The conveying assembly is used for enabling the moving platform to move along the span body. According to different agricultural production needs, any one of the pesticide applying unit, the seeding unit and the monitoring unit can be arranged on the mobile platform selectively so as to meet various plant protection requirements in the agricultural production process.

Description

Central fixed walking type water, fertilizer and pesticide integrated machine

Technical Field

One or more embodiments of this description relate to agricultural machine technical field, especially relate to a fixed walking liquid manure medicine all-in-one in center.

Background

With the development of the productivity level, the intensification degree of agricultural production is continuously improved, and the application of the sprinkling machine is increasingly wide. The sprinkler has the advantages of high irrigation efficiency, water resource saving and the like, and is particularly suitable for large-scale agricultural planting. However, in agricultural production, there are many other plant protection requirements for crops, such as application of pesticide, sowing, monitoring, etc., in addition to the most basic irrigation requirements.

Based on this, how to expand the function of sprinkling irrigation machine in order to satisfy the plant protection demand in the agricultural production process is an urgent problem that awaits solution.

Disclosure of Invention

In view of the above, an object of one or more embodiments of the present disclosure is to provide a central fixed walking type integrated machine for water, fertilizer and pesticide.

In view of the above, one or more embodiments of the present specification provide a central fixed walking type water, fertilizer and pesticide all-in-one machine, including: the tower, the span body, the mobile platform and the conveying assembly; at least two of the towers are sequentially arranged at intervals, and the span body is arranged between the towers in a spanning mode; taking any one of the towers close to the end part as a central point, wherein the position of the central point is fixed, and wheels are arranged at the bottom ends of the other towers and can drive the span body to rotate by taking the central point as a circle center;

the conveying assembly is configured to move the moving platform along the span; the mobile platform is configured to be provided with a drug application unit; wherein the content of the first and second substances,

the delivery assembly, comprising: a guide rail and a connecting frame;

the guide rail is arranged on the span body and extends between at least two towers;

one end of the connecting frame is connected with the guide rail in a rolling mode through a roller, and the other end of the connecting frame is connected with the mobile platform; a wheel hub motor is also arranged on the wheel shaft of the roller;

the administration unit comprises: a medicine storage box, a medicine application pump and a medicine application assembly;

the pesticide box is configured to store pesticide, fertilizer or water;

the pesticide application pump is connected with the pesticide storage box and the pesticide application assembly and is configured to pump pesticide, fertilizer or water to the pesticide application assembly;

the applicator assembly is configured to spray a pesticide, fertilizer, or water.

From the above, in the central fixed walking type water, fertilizer and pesticide integrated machine provided by one or more embodiments of the present specification, the mobile platform is used for arranging any one of the pesticide application unit, the sowing unit and the monitoring unit. The pesticide applying unit is used for realizing the function of spraying pesticide on crops; the sowing unit is used for realizing the function of sowing seeds of crops; the monitoring unit is used for monitoring and collecting the state data of the crops or the environmental state data of the crops. The conveying assembly is used for enabling the moving platform to move along the span body. According to different agricultural production needs, any one of the pesticide applying unit, the seeding unit and the monitoring unit can be arranged on the mobile platform selectively so as to meet various plant protection requirements in the agricultural production process.

Drawings

In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.

FIG. 1 is a schematic structural diagram of a central fixed walking type water, fertilizer and pesticide all-in-one machine according to one or more embodiments of the present disclosure;

FIG. 2 is a schematic partial structural view of a fixed-core walking type water, fertilizer and pesticide all-in-one machine in one or more embodiments of the present disclosure;

FIG. 3 is a schematic view of a connecting frame structure in one or more embodiments of the present disclosure;

FIG. 4 is a schematic structural diagram of a dosing unit according to one or more embodiments of the present disclosure;

FIG. 5 is a schematic view of a structure at a center point in one or more embodiments of the present description;

FIG. 6 is a schematic diagram of a supply connection and a refill interface according to one or more embodiments of the present disclosure;

fig. 7 is a schematic structural view of a sowing unit according to one or more embodiments of the present specification.

Detailed Description

For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

One or more embodiments of the specification provide a central fixed walking type water, fertilizer and pesticide all-in-one machine. Referring to fig. 1, the central fixed walking type water, fertilizer and pesticide integrated machine comprises: the tower comprises at least two towers 1 and a span body 2, wherein the towers 1 are sequentially arranged at intervals; the tower frame 1 and the span body 2 jointly form an arch structure of the central fixed walking type water, fertilizer and pesticide integrated machine. Any one of the towers 1 close to the end part is used as a central point 1 ', the position of the central point 1 ' is fixed, and wheels are generally arranged at the bottom ends of other towers 1 and can drive the span body 2 to rotate by taking the central point 1 ' as the center of a circle.

Parallel walking liquid manure medicine all-in-one, include: a mobile platform and a transport assembly. The mobile platform is used for arranging any one of the pesticide application unit, the sowing unit and the monitoring unit. The pesticide applying unit is used for realizing the function of spraying pesticides or applying fertilizers to crops; the sowing unit is used for realizing the seed sowing function of crops or applying fertilizer; the monitoring unit is used for monitoring and collecting the state data of the crops or the environmental state data of the crops. The conveying assembly is used for enabling the moving platform to move along the span body. According to different agricultural production needs, any one of the pesticide applying unit, the sowing unit and the monitoring unit can be arranged on the mobile platform selectively.

In this embodiment, the drug delivery unit includes: a medicine storage box, a medicine application pump and a medicine application assembly which are arranged on the mobile platform. Wherein, the mobile platform pesticide application unit comprises various components which provide the space for bearing and installing. In this embodiment, the movable platform is a frame structure formed by rigidly connecting members such as beams and columns. In this embodiment, the medicine storage box is used for storing pesticide, fertilizer or water. The medicine storage box is connected to the medicine applying assembly through the medicine applying pump, and the medicine storage box, the medicine applying pump and the medicine applying assembly are connected through pipelines; when the pesticide applying operation is carried out, the pesticide applying pump works to convey the pesticide, the fertilizer or the water stored in the pesticide storage box to the pesticide applying assembly, and the pesticide, the fertilizer or the water conveyed by the pesticide applying assembly is sprayed out. In this embodiment, the dispensing assembly may be a nozzle, a spray head, or the like.

In the following examples, the application unit is used to spray the agricultural chemicals. It will be appreciated that the applicator unit may be configured to spray any of a pesticide, fertilizer or water, depending on the particular implementation.

In this embodiment, the mobile platform is connected to the span body through the conveying assembly and can move along the span body under the drive of the conveying assembly, so as to realize the pesticide application operation on crops in the farmland within the range to which the span body extends.

As an alternative embodiment, with reference to fig. 2 and 3, the delivery assembly comprises: a guide rail 201 and a connecting bracket 202. The guide rail 201 is provided to the span body 2 and extends along the span body 2 between at least two towers 1. The connection frame 202 is used to connect the moving platform 010 to the guide rail 201 and to enable the moving platform 010 to slide along the guide rail 201. The guide rail 201 may be formed by splicing a plurality of sections in sequence, so that the guide rail 201 can be replaced or maintained only on certain sections. Specifically, one end of the connecting frame 202 is provided with a roller 203, so that the connecting frame 202 can be arranged on the guide rail 201 through the rolling connection of the roller 203. The cross section of the guide rail 201 is T-shaped, and two L-shaped spaces formed by the guide rail 201 with the T-shaped cross section are used for providing arrangement spaces for the rollers 203 on the connecting frame 202 and simultaneously forming support for the rollers 203. The other end of the connecting frame 202 is fixedly connected with the movable platform 010. The wheel axle of the roller 203 is provided with a hub motor.

When the device works, the wheel hub motor outputs power to drive the roller 203 to roll, so that the connecting frame 202 and the moving platform 010 can reciprocate along the guide rail 201. In other embodiments, the specific shape of the guide rail 201, the specific shape of the connecting frame 202, and the number of the rollers 203 can be flexibly set according to implementation requirements.

As an alternative embodiment, referring to fig. 2 and 4, the administration unit further comprises: a screw 301, a lifting guide rail 302, a lifting frame 303 and a lifting motor 304; through above-mentioned part, realize dispensing subassembly position adjustment in the vertical direction. The screw rod 301 is arranged on the moving platform 010 along the vertical direction and defines a path for the pesticide application assembly to vertically move; the screw 301 is provided with a screw nut in a thread fit manner. And the lifting guide rail 302 is arranged on the moving platform along the vertical direction. The lifting frame 303 is of a frame structure and is fixedly connected with the screw rod nut; meanwhile, the lifting frame 303 is also connected with the lifting guide rail 302 in a sliding manner. The lifting motor 304 is arranged on the moving platform 010, and the output end of the lifting motor 304 is driven to be connected with the screw rod 301.

When the device works, when an obstacle is encountered and needs to be avoided, or the pesticide application height needs to be adjusted according to different crops, the device can be realized by the components of the embodiment. Specifically, the lifting motor 304 outputs power to drive the screw rod 301 to rotate, the screw rod 301 is matched with a screw nut on the screw rod 301 through threads, and the lifting guide rail 302 is limited to the position of the lifting frame 303, so that the rotation of the screw rod 301 is converted into the movement of the screw nut driving the lifting frame 303 along the screw rod 301, and the adjustment of the vertical position of the pesticide applying assembly on the lifting frame 303 is realized.

In this embodiment, referring to fig. 4, the dispensing assembly includes: a cross-telescoping wand 305, a spray head (not shown) and a pair of dosing cylinders 306. The shower nozzle is connected to the explosive box through the pipeline, can lead the pesticide that the explosive box was saved to the shower nozzle and go out the blowout in order to realize giving medicine to the poor free of charge. The spray heads are arranged at the at least partial hinged positions of the crossed telescopic rods 305; that is, the nozzles may be provided at all the hinged positions of the cross telescopic rod 305, or the nozzles may be provided only at some of the hinged positions of the cross telescopic rod 305. The cross telescopic rod 305 is used as a bearing structure of the spray head, and can change the position of the spray head on the cross telescopic rod relative to crops through the extension and retraction of the cross telescopic rod, so that the application range is adjusted.

A pair of drug delivery gases 306 is used for driving the cross telescopic rods 305 to stretch and retract. The pair of pesticide applying air cylinders 306 are arranged on the lifting frame 303 and are oppositely arranged at intervals; the output ends of a pair of dosing cylinders 306 face each other. The output ends of a pair of dispensing cylinders 306 are also connected to a pair of opposing hinge points of the cross-bar 305, respectively. When the pesticide application range needs to be adjusted during pesticide application operation, the pair of pesticide application air cylinders 306 can be controlled to work, so that the output ends of the pesticide application air cylinders synchronously move; when the output ends of the pair of pesticide application air cylinder output ends 306 move towards each other, the pair of opposite hinged positions of the cross telescopic rod 305 can be driven to approach each other, so that the cross telescopic rod 305 extends integrally; when the output ends of the pair of pesticide delivery cylinders 306 move in opposite directions, the pair of opposite hinged positions of the cross telescopic rod 305 can be driven to be away from each other, so that the cross telescopic rod 505 is shortened as a whole. The extension and the shortening of the cross telescopic rod 305 realize the position change of the spray head on the cross telescopic rod relative to crops, thereby adjusting the pesticide application range.

In this embodiment, the output ends of the pair of pesticide applying cylinders 306 may be arranged in the vertical direction or in the horizontal direction, and the arrangement directions of the cross telescopic rods 305 are determined correspondingly in different arrangement directions. Any of the above arrangements may be selected according to particular implementation needs.

In some other embodiments, the spray head may also be positioned at a non-hinged location of the cross telescoping rod 305.

In some other embodiments, the rods constituting the cross telescopic rods 305 may be hollow, and the medicine boxes may be connected to the cross telescopic rods 305 through a connection, and the hollow rods may be used as the pesticide conveying path to be conveyed to the spray heads.

In some other embodiments, a position sensor may also be disposed on the mobile platform 010. During the movement of the mobile platform 010, the elongated cross telescopic bar 305 may collide with the tower 1 or other obstacles. Through the setting of position sensor, when position sensor detects that it is about to collide with above-mentioned barrier, can send the signal to dispensing cylinder 306 for dispensing cylinder 306 action shortens cross telescopic link 305, in order to avoid the collision with the barrier. The specific setting position of the position sensor can be flexibly set according to the requirements in the implementation process.

In some other embodiments, the applicator assembly may also be a applicator rod. The drug applying rod is a rod piece, and drug applying holes or nozzles are distributed on the rod piece. The pesticide application rod is connected to the pesticide storage box through a pipeline, and pesticides stored in the pesticide storage box can be guided to the pesticide application hole or the spray head to be applied.

As an alternative embodiment, referring to fig. 2, 5 and 6, the span body 2 may be further provided with a fluid infusion tank 401 through a detachable connection member, such as a connection arm, a connection claw, and the like. The liquid replenishing tank 401 is connected to the adjacent tower 1 through a medicine supply pipe 402 and further connected to an external medicine supply system, and the liquid replenishing tank 401 can obtain pesticide from the medicine supply system through the medicine supply pipe 402 for storage. The liquid supplementing box 401 is also connected with a medicine supply joint 403; after the pesticide is delivered into the replenishing tank 401 through the pesticide supply pipe 402, the pesticide stored in the replenishing tank 401 can be further discharged through the pesticide supply joint 403. When the dispensing unit moves to the fluid infusion box 401 along the span body 2, the fluid infusion box 401 can butt against the fluid infusion interface 404 of the medicine box of the dispensing unit through the medicine supply joint 403, so as to achieve the purpose of supplementing the medicine to the medicine box of the dispensing unit.

In this embodiment, the fluid infusion tank 401 is further provided with a drug supply device 405. The medicine supply device 405 can be an air cylinder, a hydraulic cylinder and the like, and the output end of the medicine supply device 505 is connected with a medicine supply joint; when the medicine supply device 405 works, the medicine supply connector 403 can be driven to do linear motion through the extension and contraction of the output end. In this embodiment, the medicine storage box of the medicine dispensing unit is provided with a horn-shaped medicine replenishing interface 404. The supply connector 403 is tapered, and the supply connector 403 can be matched with the medicine supplementing interface 404 for butt joint.

When the medicine replenishing operation is performed, the moving platform moves from the conveying assembly to the position of the liquid replenishing box 401, and further, the medicine replenishing interface 404 of the medicine storage box is opposite to the position of the medicine supplying joint 403. Then, the medicine supply device 505 works, the output end of the medicine supply device extends out, the medicine supply connector 403 is driven to gradually approach the medicine supplementing interface 404 and finally to be in butt joint with the medicine supplementing interface 404, and at the moment, the medicine storage box is communicated with the liquid supplementing box 401 through the medicine supply connector 403. Next, the pesticide or chemical fertilizer in the liquid replenishing tank 401 can enter the medicine box through the medicine supply joint 403 and the medicine replenishing interface 504, and the pesticide is replenished to the medicine box.

In this embodiment, the span body 2 can rotate around the center point 1' as a rotation center. Accordingly, referring to fig. 5, the center point 1' is provided with a ring-shaped transfer medicine box 406 at a position where the spanning body 1 is rotatably connected. The transfer medicine box 406 includes an annular cavity, and the transfer medicine box 406 is connected to an external medicine supply system through the medicine supply pipe 402. The annular surface of the transfer medicine box 406 facing the straddle body 2 is rotationally connected with other parts of the transfer medicine box 406, and the annular surface can rotate by taking the center of the circle of the transfer medicine box 406 as a rotation center; to ensure sealing, a self-adaptive sealing rubber may be provided between the annular surface and the rest of the intermediate medicine chest 406. The annular surface is provided with a medicine outlet which is connected with a liquid supplementing box 401 through a medicine supply pipe 402.

During operation, the span body continuously rotates by taking the central point 1' as a rotation center, and the medicine supply pipe 402 between the liquid supplementing box 401 and the transfer medicine box 406 correspondingly drives the annular surface to rotate. With the above design of the present embodiment, the problem of the pipeline winding of the drug supply tube 402 caused by the rotation of the span body can be prevented.

As an alternative embodiment, the mobile platform is further configured to provide a seeding unit.

Referring to fig. 7, the sowing unit includes: a seed storage box 501, a turntable 502 and a sowing motor 503. The seed storage box 501 is used for storing seeds, and has a funnel shape with a discharge port for discharging seeds provided at a bottom end thereof. The turntable 502 is located below the seed magazine 501 and opposite the location of the discharge outlet. The turntable 502 is provided with a plurality of guide plates 504 for defining a seed discharge direction. The turntable 502 is also in driving connection with a sowing motor 503.

In operation, the discharge opening at the bottom end of the seed storage box 501 is opened, and seeds or fertilizers stored in the seed storage box 501 are discharged from the discharge opening under the action of gravity and fall onto the turntable 502. Accordingly, the sowing motor 503 operates to drive the turntable 502 to rotate about the center of the rotation. The seeds falling on the turntable 502 rotate along with the turntable and fly out from the edge of the turntable under the action of centrifugal force, thereby realizing sowing operation. A guide plate 504 on the turntable 502 defines the direction in which the seeds fly; the number of the guide plates 504 can be specifically distributed according to the sowing requirement. In addition, the range of sowing can be controlled by controlling the rotation speed of the turntable by the sowing motor 503; when the rotating speed of the rotating disc 502 is faster, the centrifugal force applied to the seeds is larger, the flying distance is longer, otherwise, the flying distance is closer.

As an alternative embodiment, the mobile platform is further configured to provide a monitoring unit. The monitoring unit comprises: the system comprises an image acquisition device, a temperature sensor, a humidity sensor, a crop growth sensor, an insect condition monitoring sensor and an illness state monitoring sensor. The image acquisition device can acquire the graphic data of the crops and is used for monitoring and analyzing the growth vigor, the health state and the like of the crops; the image acquisition device can select an infrared image acquisition device, a spectral imaging device and the like according to different data acquisition requirements. The temperature sensor and the humidity sensor are respectively used for monitoring the temperature and humidity data of the crop growth environment and monitoring and analyzing the crop growth environment.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.

It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.

Claims

1. The utility model provides a walking liquid manure medicine all-in-one is fixed at center which characterized in that includes: the tower, the span body, the mobile platform and the conveying assembly; at least two of the towers are sequentially arranged at intervals, and the span body is arranged between the towers in a spanning mode; taking any one of the towers close to the end part as a central point, wherein the position of the central point is fixed, and wheels are arranged at the bottom ends of the other towers and can drive the span body to rotate by taking the central point as a circle center;

the delivery assembly, comprising: a guide rail and a connecting frame;

the pesticide box is configured to store pesticide, fertilizer or water;

2. The central fixed walking type water-fertilizer-pesticide integrated machine according to claim 1, wherein the pesticide applying unit further comprises:

the screw rod is arranged on the moving platform along the vertical direction; a screw rod nut is arranged on the screw rod in a threaded fit manner;

the lifting guide rail is arranged on the moving platform along the vertical direction;

the lifting frame is arranged on the lifting guide rail in a sliding mode and is fixedly connected to the screw rod nut; the pesticide applying assembly is arranged on the lifting frame;

the lifting motor is arranged on the mobile platform; the output end of the lifting motor is in driving connection with the screw rod.

3. The central fixed walking type water-fertilizer-pesticide integrated machine according to claim 1, wherein the pesticide application assembly comprises:

cross telescopic links;

the spray head is arranged at the hinged position of at least part of the crossed telescopic rods and is configured to spray pesticide;

the pair of pesticide applying air cylinders are oppositely arranged at intervals, and the output ends of the pesticide applying air cylinders are opposite; the output ends of the pair of pesticide application cylinders are respectively connected to a pair of opposite hinged positions of the cross telescopic rods.

4. The central fixed walking type water-fertilizer-pesticide integrated machine according to claim 1, wherein the pesticide application assembly comprises:

the drug application rod is distributed with drug application holes or spray heads.

5. The central fixed walking type water, fertilizer and pesticide all-in-one machine as claimed in claim 1, further comprising:

the liquid supplementing box is detachably arranged on the span body and is connected with a medicine supply system through a medicine supply pipe; the liquid supplementing box is connected with a medicine supply joint;

the explosive box still is provided with the joint of mending medicine, the joint of mending medicine can with supply the medicine to connect mutually.

6. The central fixed walking type water-fertilizer-pesticide integrated machine according to claim 5, wherein the shape of the pesticide supplementing interface is horn-shaped; the shape of the medicine supply joint is conical; the medicine supply joint can be matched with the medicine supplementing interface for butt joint.

7. The central fixed walking type water, fertilizer and pesticide all-in-one machine as claimed in claim 5, wherein an annular transfer pesticide box is further arranged on the central point; the transfer medicine box is connected with the medicine supply system through the medicine supply pipe; the annular surface of the transfer medicine box facing the span body is rotationally connected with other parts of the transfer medicine box; the annular surface is provided with a medicine outlet, and the medicine outlet is connected with the liquid supplementing box through the medicine supply pipe.

8. The central fixed walking type water, fertilizer and pesticide all-in-one machine as claimed in claim 7, wherein self-adaptive sealing rubber is arranged between the annular surface and the other parts of the transfer pesticide box.

9. The central fixed walking liquid manure medicine all-in-one machine as claimed in claim 1, wherein the mobile platform is further configured to provide a sowing unit;

the sowing unit includes:

a seed storage tank configured to store seeds; the seed storage box is funnel-shaped, and the bottom end of the seed storage box is provided with a discharge port for discharging seeds;

the rotary disc is positioned below the seed storage box and is opposite to the discharge port; the rotary table is provided with a plurality of guide plates for limiting the seed discharge direction;

and the sowing motor is in driving connection with the turntable and is configured to drive the turntable to rotate by taking the circle center as a rotation center.

10. The central fixed walking liquid manure medicine all-in-one machine of claim 1, wherein the mobile platform is further configured to provide a monitoring unit; the monitoring unit includes: at least one of an image acquisition device, a temperature sensor, a humidity sensor, a crop growth sensor, an insect pest situation monitoring sensor and a crop disease condition monitoring sensor.