A multifunctional field plant growth data collection vehicle

Abstract

The embodiment of the present invention provides a multifunctional field plant growth data collection vehicle, including a mobile platform, a data collection device and a driving device. The mobile platform is horizontally movable; the data collection device is used to collect phenotypic data, environmental data and physiological data of plants, and the data collection device is movably installed on the mobile platform; the driving device is used to drive the data collection device to move on the mobile platform. The multifunctional field plant growth data collection vehicle provided by the embodiment of the present invention adopts an integrated structural design, can collect phenotypic data, environmental data and physiological data of plants, constructs a multifunctional data collection system, and can ensure the quality of data collection.

Description

Technical Field

[0001] The invention relates to the technical field of information collection devices, and in particular to a multifunctional field plant growth data collection vehicle. Background Art

[0002] Since the beginning of the 21st century, with the development of information technologies such as agricultural Internet of Things, big data, cloud computing, and artificial intelligence, agricultural scientific research has gradually developed from theoretical science and experimental science to big data omics science. High-throughput acquisition of plant phenotypic data, environmental data, and physiological and biochemical data is a key step in omics research. In addition, with the advancement of application technology, for field crops, the collection of omics data has gradually shifted from greenhouse experiments to field practice. Existing field plant growth data acquisition devices can usually only collect single data, and it is difficult to achieve synchronous measurement of omics data such as phenotypic data, environmental data, physiological and biochemical data, which makes data acquisition inefficient and increases the cost of data acquisition. Summary of the invention

[0003] The embodiment of the present invention provides a multifunctional field plant growth data collection vehicle, which is used to solve the problem that the existing field plant growth data collection device can usually only collect single data, making data acquisition inefficient and increasing data acquisition costs.

[0004] An embodiment of the present invention provides a multifunctional field plant growth data collection vehicle, comprising:

[0005] The mobile platform is configured to be able to move horizontally;

[0006] A data acquisition device, used for collecting phenotypic data, environmental data and physiological data of plants, wherein the data acquisition device is movably mounted on the mobile platform; and

[0007] A driving device is used to drive the data acquisition device to move on the mobile platform.

[0008] According to a multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the mobile platform is configured to be movable forward and backward;

[0009] The data acquisition device comprises a front data acquisition unit and a rear data acquisition unit, wherein the front data acquisition unit and the rear data acquisition unit are movably installed at the front end and the rear end of the mobile platform respectively;

[0010] The driving device comprises a front lifting unit and a rear lifting unit, and the front lifting unit and the rear lifting unit are used to drive the front data acquisition unit and the rear data acquisition unit to move respectively.

[0011] According to a multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the front data collection unit includes a mounting seat and a front sensor;

[0012] The front sensor is arranged on the mounting seat, and the front sensor includes at least one of a multi-spectral sensor, a color image sensor, a lidar sensor, a chain temperature and humidity sensor group, and a chain photosynthetic radiation sensor group.

[0013] According to the multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the front data collection unit further comprises an outer cover which is open downwards, and the outer cover is arranged on the mounting seat and covers the outside of the front sensor.

[0014] According to a multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the mounting seat is provided with the chain photosynthetic radiation sensor group, the chain temperature and humidity sensor group, the laser radar sensor, the color image sensor and the multi-spectral sensor in sequence from front to back; and / or,

[0015] The laser radar sensor, the color image sensor and the multi-spectral sensor are all arranged downward; and / or,

[0016] The mounting seat is provided with a first wheel-type retractable mechanism, the chain-type temperature and humidity sensor group comprises a flexible member and a plurality of temperature and humidity sensors, the flexible member extends in an up-down direction, the upper end of the flexible member is connected to the first wheel-type retractable mechanism, and the plurality of temperature and humidity sensors are arranged at intervals at the lower end of the flexible member; and / or,

[0017] A second wheel-type retractable mechanism is arranged on the mounting seat, and the chain-type photosynthetic radiation sensor group includes a mounting column and a plurality of photosynthetic radiation sensors. Both ends of the mounting column are connected to the second wheel-type retractable mechanism through a transmission line, and the plurality of photosynthetic radiation sensors are arranged on the mounting column at intervals along the extension direction of the mounting column.

[0018] According to a multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the rear data collection unit comprises a downwardly open box, a flexible adsorption membrane and an assimilation sensor group;

[0019] The assimilation sensor group is arranged in the box body, and the flexible adsorption film is arranged around the lower end of the box body and close to the opening of the box body.

[0020] According to a multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the assimilation sensor group includes at least one of a photosynthetic radiation sensor, a carbon dioxide concentration sensor, a temperature and humidity sensor, and an air pressure sensor; and / or,

[0021] The post-data acquisition unit comprises a pressure ring which is sleeved outside the box and located above the flexible adsorption film, and the pressure ring is movably connected to the box body up and down; and / or,

[0022] The box body is transparent.

[0023] According to a multifunctional field plant growth data collection vehicle according to one embodiment of the present invention, a storage structure is provided on the mobile platform, the storage structure is located within the movable range of the front data collection unit and the rear data collection unit, and the storage structure is used to place the front data collection unit and the rear data collection unit.

[0024] According to a multifunctional field plant growth data collection vehicle of one embodiment of the present invention, the front data collection unit is movably installed up and down and front and back at the front end of the mobile platform, and the rear data collection unit is movably installed up and down and front and back at the rear end of the mobile platform.

[0025] The multifunctional field plant growth data collection vehicle according to one embodiment of the present invention further includes a control device, wherein the control device is electrically connected to the data collection device and the driving device.

[0026] The multifunctional field plant growth data collection vehicle provided in the embodiment of the present invention adopts an integrated structural design, can collect plant phenotypic data, environmental data and physiological and chemical data, constructs a multifunctional data collection system, and can ensure the quality of data collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a structural schematic diagram of a multifunctional field plant growth data collection vehicle provided by an embodiment of the present invention;

[0029] Figure 2 yes Figure 1 The structural diagram of the front-end data acquisition unit;

[0030] Figure 3 yes Figure 1 A schematic diagram of the structure of the middle and rear data acquisition unit;

[0031] Figure 4 yes Figure 1 Schematic diagram of the structure of the front lifting unit.

[0032] Reference numerals:

[0033] 100: Multifunctional field plant growth data collection vehicle; 1: Mobile platform; 2: Front data collection unit; 21: Mounting seat; 211: First wheel retracting and releasing mechanism; 212: Second wheel retracting and releasing mechanism; 22: Multispectral sensor; 23: Color image sensor; 24: LiDAR sensor; 25: Chain temperature and humidity sensor group; 251: Flexible part; 252: Temperature and humidity sensor; 26: Chain photosynthetic radiation sensor group; 261: Mounting column; 262: Photosynthetic radiation sensor; 263: Transmission line; 3: Rear data collection unit; 31: Box; 32: Flexible adsorption film; 33: Assimilation sensor group; 34: Pressing ring; 35: Handle; 4: Front lifting unit; 41: Lifting device; 42: First lifting rod; 43: Second lifting rod; 44: Third lifting rod; 5: Rear lifting unit; 6: Storage structure; 7: Control device; 8: Platform control unit. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The embodiment of the present invention provides a multifunctional field plant growth data collection vehicle, which can be used for high-throughput and fast collection of phenotypic data, environmental data and physiological and chemical data of small plants such as wheat, upland rice, peanuts, rapeseed, and seedling corn in the field, such as Figure 1 As shown, the multifunctional field plant growth data collection vehicle 100 includes a mobile platform 1, a data collection device and a driving device.

[0036] like Figure 1 As shown, the mobile platform 1 is configured to be horizontally movable. According to actual use requirements, the mobile platform 1 may have driving functions such as walking, turning, and retreating. Figure 1 As shown, the mobile platform 1 adopts a four-wheel structure design, and the mobile platform 1 is provided with a platform control unit 8, and the platform control unit 8 is used to control the movement of the mobile platform 1 through electrical signals.

[0037] The data acquisition device is movably installed on the mobile platform 1, and the driving device is used to drive the data acquisition device to move on the mobile platform 1. The data acquisition device is used to collect phenotypic data, environmental data and physiological data of plants. Among them, the phenotypic data includes three-dimensional point cloud, canopy spectrum, image, thermal infrared, etc.; the environmental data includes canopy temperature and humidity, etc.; the physiological data includes plant population assimilation rate, canopy photosynthetic rate, etc.

[0038] The multifunctional field plant growth data collection vehicle 100 provided in the embodiment of the present invention adopts an integrated structural design, can collect plant phenotypic data, environmental data and physiological and chemical data, construct a multifunctional data collection system, and can ensure the quality of data collection.

[0039] The data acquisition device is movably installed on the mobile platform 1, specifically, Figure 1 As shown, in this embodiment, the mobile platform 1 is movable forward and backward; the data acquisition device includes a front data acquisition unit 2 and a rear data acquisition unit 3, which are movably mounted at the front and rear ends of the mobile platform 1, respectively; the driving device includes a front lifting unit 4 and a rear lifting unit 5, which are used to drive the front data acquisition unit 2 and the rear data acquisition unit 3 to move, respectively. The multifunctional field plant growth data acquisition vehicle 100 adopts a front and rear placement method to place the data acquisition units, effectively utilizing the structural features of the mobile platform 1, which is conducive to reducing the overall height and size of the equipment, thereby reducing the manufacturing cost of the equipment.

[0040] The specific configuration of the front-end data acquisition unit 2 can be set according to actual needs, for example, Figure 1 and Figure 2 As shown, in this embodiment, the front data acquisition unit 2 includes a mounting seat 21 and a front sensor; the front sensor is arranged on the mounting seat 21, and the front sensor includes at least one of a multispectral sensor 22, a color image sensor 23, a laser radar sensor 24, a chain temperature and humidity sensor group 25, and a chain photosynthetic radiation sensor group 26. The front data acquisition unit 2 can be configured with a multispectral sensor 22, a color image sensor 23, a laser radar sensor 24, and a thermal infrared camera to collect phenotypic data at the top of the plant canopy; the front data acquisition unit 2 can also be configured with a chain temperature and humidity sensor group 25 to collect temperature and humidity data at different heights of the canopy; the front data acquisition unit 2 can also be configured with a chain photosynthetic radiation sensor group 26 to collect photosynthetic rate data at different heights of the canopy.

[0041] like Figure 1 and Figure 2As shown, in this embodiment, a chain photosynthetic radiation sensor group 26, a chain temperature and humidity sensor group 25, a lidar sensor 24, a color image sensor 23 and a multi-spectral sensor 22 are sequentially arranged on the mounting base 21 from front to back. Multi-source sensors are mounted on the mounting base 21 to realize automatic and high-throughput data acquisition, and the arrangement of the various sensors on the mounting base 21 is combined with the data collection sequence of the various sensors.

[0042] The multispectral sensor 22 is used to collect multispectral images of the top of the plant canopy, and, as Figure 2 As shown, the multispectral sensor 22 is generally disposed facing downward.

[0043] The color image sensor 23 is used to collect color images of the top of the plant canopy. The color image sensor 23 can be a high-definition color camera, etc., and, as Figure 2 As shown, the color image sensor 23 is also generally disposed downward.

[0044] The laser radar sensor 24 is used to collect plant canopy point cloud data, and, as Figure 2 As shown, the lidar sensor 24 is also generally disposed facing downward.

[0045] The chain temperature and humidity sensor group 25 is used to collect temperature and humidity data at different heights of the canopy, such as Figure 2 As shown, in this embodiment, a first wheel-type retractable mechanism 211 is provided on the mounting seat 21, and the chain-type temperature and humidity sensor group 25 includes a flexible member 251 and a plurality of temperature and humidity sensors 252, the flexible member 251 extends in the up and down directions, and the upper end of the flexible member 251 is connected to the first wheel-type retractable mechanism 211, and the plurality of temperature and humidity sensors 252 are arranged at intervals at the lower end of the flexible member 251. By retracting the flexible member 251 through the first wheel-type retractable mechanism 211, the height of the plurality of temperature and humidity sensors 252 in the plant canopy can be adjusted, wherein the plurality of temperature and humidity sensors 252 are oriented in the same and horizontal direction, for example, four temperature and humidity sensors 252 are provided, and the four temperature and humidity sensors 252 are arranged backward.

[0046] The chain photosynthetic radiation sensor group 26 is used to collect photosynthetic rate data at different heights of the canopy, such as Figure 2As shown, in the present embodiment, a second wheel-type retractable mechanism 212 is provided on the mounting seat 21, and the chain-type photosynthetic radiation sensor group 26 includes a mounting column 261 and a plurality of photosynthetic radiation sensors 262, both ends of the mounting column 261 are connected to the second wheel-type retractable mechanism 212 through a transmission line 263, and the plurality of photosynthetic radiation sensors 262 are arranged on the mounting column 261 at intervals along the extension direction of the mounting column 261. By retracting the transmission line 263 through the second wheel-type retractable mechanism 212, the height of the plurality of photosynthetic radiation sensors 262 in the plant canopy can be adjusted. When the chain-type photosynthetic radiation sensor group 26 is collecting, the mounting column 261 is placed horizontally, and the plurality of photosynthetic radiation sensors 262 are all arranged upward.

[0047] In this embodiment, the front data acquisition unit 2 further includes an outer cover (not shown in the figure) which is open downwards and is arranged on the mounting seat 21 and covers the outside of the front sensor. The outer cover can protect the front sensor.

[0048] The front data collection unit 2 is driven to move by the front lifting unit 4. The setting mode of the front lifting unit 4 is related to the movement mode of the front data collection unit 2. For example, in this embodiment, the front data collection unit 2 is installed at the front end of the mobile platform 1 so as to be movable up and down and forward and backward. Figure 1 and Figure 4 As shown, in this embodiment, the front lifting unit 4 includes a lift 41, a first lifting rod 42, a second lifting rod 43 and a third lifting rod 44. The lift 41 is arranged at the front end of the mobile platform 1, and is used to lift and lower the lifting structure; the two ends of the first lifting rod 42 are respectively rotatably connected to the lift 41 and one end of the second lifting rod 43; the other end of the second lifting rod 43 is rotatably connected to one end of the third lifting rod 44; the other end of the third lifting rod 44 is connected to the mounting seat 21.

[0049] The specific configuration of the post-data acquisition unit 3 can be set according to actual needs, for example, Figure 1 and Figure 3 As shown, in this embodiment, the rear data acquisition unit 3 includes a box body 31 open downward, a flexible adsorption film 32 and an assimilation sensor group 33; the assimilation sensor group 33 is arranged in the box body 31, and the flexible adsorption film 32 is arranged around the lower end of the box body 31 and close to the opening of the box body 31. The rear data acquisition unit 3 is a box structure, and the box body 31 has a built-in plant assimilation sensor group 33 for measuring the assimilation rate of the plant population. Among them, the box body 31 is a transparent setting, the upper plane and side of the box body 31 are made of glass or thin film transparent material, the lower plane of the box body 31 is hollow, and, as shown in FIG. Figure 1 and Figure 3As shown, in this embodiment, the post-data acquisition unit 3 includes a pressure ring 34 which is sleeved outside the box 31 and located above the flexible adsorption film 32, and the pressure ring 34 is movably connected to the box 31 up and down. During the data acquisition process, the box 31 covers the plant group, and the pressure ring 34 is driven down by the lifting drive mechanism to allow the pressure ring 34 to press on the flexible adsorption film 32, so that the flexible adsorption film 32 is adsorbed on the ground to form a closed box 31. Among them, the assimilation sensor group 33 includes at least one of a photosynthetic radiation sensor, a carbon dioxide concentration sensor, a temperature and humidity sensor, and an air pressure sensor. The structure of the flexible adsorption film 32 and the pressure ring 34 is used at the bottom of the box 31 to construct a rapid sealing device, realize the mobile measurement of the assimilation box, and improve the original assimilation box fixed-point measurement and artificial sealing process.

[0050] The rear data acquisition unit 3 is driven by the rear lifting unit 5. The arrangement of the rear lifting unit 5 is related to the movement of the rear data acquisition unit 3. For example, in this embodiment, the rear data acquisition unit 3 is movably installed at the front end of the mobile platform 1 up and down and forward and backward. Figure 1 As shown, in this embodiment, two handles 35 are respectively provided on the left outer wall and the right outer wall of the box body 31, and the rear lifting unit 5 is arranged at the rear end of the mobile platform 1. The rear lifting unit 5 includes two sub-lifting units with similar structures to the front lifting unit 4 and arranged corresponding to the two handles 35, and the two ends of each sub-lifting unit are respectively connected to the mobile platform 1 and the corresponding handles 35.

[0051] like Figure 1 As shown, in this embodiment, a storage structure 6 is provided on the mobile platform 1, and the storage structure 6 is located within the active travel of the front data acquisition unit 2 and the rear data acquisition unit 3, and the storage structure 6 is used to place the front data acquisition unit 2 and the rear data acquisition unit 3. The storage structure 6 is usually provided in the middle of the mobile platform 1, and the front data acquisition unit 2 and the rear data acquisition unit 3 can be stored in the storage structure 6 when data collection is not needed.

[0052] like Figure 1 As shown, in this embodiment, the multifunctional field plant growth data collection vehicle 100 also includes a control device 7, and the control device 7 is electrically connected to the data collection device and the driving device. Among them, the control device 7 includes a controller unit, a data collector and a network communicator. The controller unit is used to drive the front lifting unit 4 and the rear lifting unit 5 to lift and place the front data collection unit 2 and the rear data collection unit 3 to a suitable position; the data collector unit is used to drive the front data collection unit 2 and the rear data collection unit 3 to collect data; the network communicator unit is used to transmit the collected sensor data to the server in real time for storage management.

[0053] The following will take the field wheat planting experiment measurement, the width of the wheat planting experimental plot is 1 meter, and the maximum growth height of wheat is 1.3 meters as an example to introduce the specific structural setting method of the multifunctional field plant growth data collection vehicle 100:

[0054] 1. The chassis height of the mobile platform 1 is 1.5 meters, the width is 1.3 meters, and the length is 2.8 meters. The mobile platform 1 is electrically controlled and has driving functions such as walking, turning, and retreating;

[0055] 2. The hoist 41 of the front lifting unit 4 is fixedly placed on the front center line of the mobile platform 1 and 0.3 meters away from the front edge. The hoist 41 adopts a telescopic structure to drive the front data acquisition unit 2 to rise and fall. Each lifting rod adopts a steel profile and a column structure design, which is connected by each lifting fulcrum to drive the front data acquisition unit 2 to be fixed at the end of the front lifting unit 4. The maximum lifting height is 1.5 meters (the height of the mobile platform 1 is 1.5 meters, and the cumulative distance from the ground is 3 meters). Before the front data acquisition unit 2 collects data, adjust the front data acquisition unit 2 to a height of 1 meter from the top of the wheat canopy;

[0056] 3. The sensor in the front data acquisition unit 2 is as follows: Figure 2 The structure is fixedly placed, wherein a plurality of temperature and humidity sensors 252 are connected by rubber wires (i.e., flexible members 251) to form a chain structure, which is bound to the transmission line of the first wheel-type retractable mechanism 211. When collecting data, the sensors are lowered into the wheat canopy to the bottom of the canopy, and two adjacent temperature and humidity sensors 252 are 40 cm apart. The mounting column 261 of the chain photosynthetic radiation sensor group 26 is made of a cylindrical aluminum profile with a length of 1 meter. 10 photosynthetic radiation sensors 262 are fixedly installed. The two ends of the cylindrical aluminum profile are connected to the double transmission lines of the second wheel-type retractable mechanism 212. The height in the plant canopy is adjusted by the second wheel-type retractable mechanism 212 structure, and the sensors are placed horizontally. The photosynthetic rate data at different heights of the canopy are collected at fixed intervals from the top of the canopy to the bottom of the canopy and from high to low.

[0057] 4. The rear lifting unit 5 is composed of two rear sub-lifting units on the left and right. The sub-lifting units have the same structure as the front lifting unit 4. The lifting device of the rear lifting unit 5 is fixed at the rear end of the mobile platform 1 and is 0.3 meters away from the rear edge of the mobile platform 1. The lifting device adopts a telescopic structure to drive the rear data acquisition unit 3 to rise and fall. The rear data acquisition unit 3 is fixed at both ends of the rear lifting unit 5. The maximum lifting height is 1.5 meters (the height of the mobile platform 1 is 1.5 meters, and the cumulative distance from the ground is 3 meters). Before the rear data acquisition unit 3 collects data, the box 31 of the rear data acquisition unit 3 is put down and falls on the ground to cover the wheat group. After the rear data acquisition unit 3 completes data collection, the rear data acquisition unit 3 is lifted up above the wheat canopy.

[0058] 5. The post-data acquisition unit 3 is a box structure, the box 31 is a cubic frame structure, the size of the cube is 1.3 meters * 1.3 meters * 1.3 meters, the frame is made of aluminum profiles, the upper plane and the side of the box 31 are sealed with transparent glass material, the four sides of the bottom of the box 31 are made of latex material, and a three-ring adsorption ring is formed (i.e., a flexible adsorption film 32, the three-ring adsorption ring includes an inner ring, a middle ring and an outer ring from the inside to the outside, the inner ring, the middle ring and the outer ring are all tilted downward, the inclination angle of the middle ring is greater than the inclination angle of the inner ring and less than the inclination angle of the outer ring), the pressure ring 34 is a steel plate structure, before data collection, the box 31 is covered on the plant group, and the pressure ring 34 is lowered by the lifting drive mechanism to make the flexible adsorption film 32 adsorbed on the ground to form a closed box 31, and the plant assimilation sensor group 33 in the box 31 includes a photosynthetic radiation sensor, a carbon dioxide concentration sensor, a temperature and humidity sensor, and an air pressure sensor;

[0059] 6. The storage structure 6 is placed in the middle of the mobile platform 1, and the storage structure 6 is used to place the front data acquisition unit 2 and the rear data acquisition unit 3;

[0060] 7. The platform control unit 8 is placed at the left front end of the mobile platform 1. The platform control unit 8 is used to operate the mobile platform 1 to move through electrical signals;

[0061] 8. The control device 7 is placed at the right front end of the mobile platform 1. The control device 7 includes a controller unit, a data collector and a network communicator. The controller unit is used to drive the front lifting unit 4 and the rear lifting unit 5 to lift and place the front data acquisition unit 2 and the rear data acquisition unit 3 to a suitable position; the data collector unit is used to drive the front data acquisition unit 2 and the rear data acquisition unit 3 to collect data; the network communicator unit is used to transmit the collected sensor data to the server in real time for storage management;

[0062] According to the above, the mobile platform 1 is driven forward to collect data from the wheat experimental plots in turn.

[0063] The following will introduce the working principle of the multifunctional field plant growth data collection vehicle 100:

[0064] Before the multifunctional data collection in the field, the front data collection unit 2 and the rear data collection unit 3 are placed on the storage structure 6. The mobile platform 1 is operated by the platform control unit 8 to travel to the plant experimental plot.

[0065] Through the control device 7, the front data acquisition unit 2 is adjusted, the fixed suspended front data acquisition unit 2 is operated, and the front data acquisition unit 2 is placed in front of the mobile platform 1, above the plant experimental plot, and at a certain height from the top of the plant canopy. The multispectral sensor 22 is driven in sequence to collect the multispectral image of the top of the plant canopy; the color image sensor 23 is driven to collect the color image of the top of the plant canopy; the laser radar sensor 24 is driven to collect the point cloud data of the plant canopy; the chain temperature and humidity sensor group 25 is placed through the first wheel-type retracting and releasing mechanism 211 to collect the temperature and humidity data at different heights of the plant canopy, and after the collection is completed, the chain temperature and humidity sensor group 25 is retracted through the first wheel-type retracting and releasing mechanism 211; the chain photosynthetic radiation sensor group 26 is placed through the second wheel-type retracting and releasing mechanism 212, and the height of the chain photosynthetic radiation sensor group 26 in the plant canopy is adjusted through the second wheel-type retracting and releasing mechanism 212, and is placed horizontally, from the top of the canopy to the bottom of the canopy, and from high to low fixed intervals to collect the photosynthetic radiation intensity at different heights of the canopy, and after the collection is completed, the chain photosynthetic radiation sensor group 26 is retracted through the second wheel-type retracting and releasing mechanism 212.

[0066] Then, the mobile platform 1 is operated by the platform control unit 8 to move forward, and the rear data acquisition unit 3 is adjusted by the control device 7, and the fixed suspension rear data acquisition unit 3 is operated to make the rear data acquisition unit 3 directly behind the mobile platform 1 and directly above the plant experimental plot. Then, the box 31 is placed by the rear lifting unit 5, covered on the plant experimental plot, and pressed on the flexible adsorption film 32 by the pressure ring 34, so that the flexible adsorption film 32 is adsorbed on the ground to form a closed box 31, and no gas exchange is carried out with the outside world. Then, the assimilation sensor group 33 is driven to collect plant assimilation rate data. After completion, the rear data acquisition unit 3 is lifted by the rear lifting unit 5.

[0067] In the above data collection process, the data is sent to the server in real time through the control device 7. Then, the mobile platform 1 is driven forward to collect data for the next experimental cell, and so on.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multifunctional field plant growth data collection vehicle, characterized in that: include: The mobile platform is configured to be able to move horizontally; A data collection device, used to collect phenotypic data, environmental data and physiological data of the plant, wherein the data collection device is movably installed on the mobile platform; as well as, A driving device, used for driving the data acquisition device to move on the mobile platform; The mobile platform is configured to be movable forward and backward; The data acquisition device comprises a front data acquisition unit and a rear data acquisition unit, wherein the front data acquisition unit and the rear data acquisition unit are movably installed at the front end and the rear end of the mobile platform respectively; The driving device comprises a front lifting unit and a rear lifting unit, wherein the front lifting unit and the rear lifting unit are used to drive the front data acquisition unit and the rear data acquisition unit to move respectively; The front data acquisition unit includes a mounting seat and a front sensor; The front sensor is arranged on the mounting seat, and the front sensor includes at least one of a multispectral sensor, a color image sensor, a laser radar sensor, a chain temperature and humidity sensor group, and a chain photosynthetic radiation sensor group; the chain photosynthetic radiation sensor group, the chain temperature and humidity sensor group, the laser radar sensor, the color image sensor, and the multispectral sensor are arranged on the mounting seat in sequence from front to back; The laser radar sensor, the color image sensor and the multi-spectral sensor are all arranged downward; The mounting seat is provided with a first wheel-type retractable mechanism, the chain-type temperature and humidity sensor group comprises a flexible member and a plurality of temperature and humidity sensors, the flexible member extends in an up-down direction, the upper end of the flexible member is connected to the first wheel-type retractable mechanism, and the plurality of temperature and humidity sensors are arranged at intervals at the lower end of the flexible member; The mounting seat is provided with a second wheel-type retractable mechanism, the chain-type photosynthetic radiation sensor group comprises a mounting column and a plurality of photosynthetic radiation sensors, both ends of the mounting column are connected to the second wheel-type retractable mechanism via a transmission line, and the plurality of photosynthetic radiation sensors are arranged on the mounting column at intervals along the extension direction of the mounting column; The post-data acquisition unit includes a box body open downward, a flexible adsorption membrane and an assimilation sensor group; The assimilation sensor group is arranged in the box body, and the flexible adsorption film is arranged around the lower end of the box body and close to the opening of the box body; The assimilation sensor group includes at least one of a photosynthetic radiation sensor, a carbon dioxide concentration sensor, a temperature and humidity sensor, and an air pressure sensor; The post-data acquisition unit comprises a pressure ring which is sleeved outside the box and located above the flexible adsorption film, and the pressure ring is movably connected to the box body up and down; The box is transparent; The mobile platform is provided with a storage structure, the storage structure is located within the moving travel of the front data acquisition unit and the rear data acquisition unit, and the storage structure is used to place the front data acquisition unit and the rear data acquisition unit; The front lifting unit includes a lift, a first lifting rod, a second lifting rod and a third lifting rod. The lift is arranged at the front end of the mobile platform and is used to lift and lower the lifting structure. The two ends of the first lifting rod are respectively rotatably connected to the lift and one end of the second lifting rod; the other end of the second lifting rod is rotatably connected to one end of the third lifting rod; the other end of the third lifting rod is connected to the mounting seat.

2. The multifunctional field plant growth data collection vehicle according to claim 1, characterized in that: The front data acquisition unit also includes an outer cover which is open downwards, and the outer cover is arranged on the mounting seat and covers the outside of the front sensor.

3. The multifunctional field plant growth data collection vehicle according to claim 2, characterized in that: The front data collection unit is movably installed at the front end of the mobile platform in an up-down and forward-backward manner, and the rear data collection unit is movably installed at the rear end of the mobile platform in an up-down and forward-backward manner.

4. The multifunctional field plant growth data collection vehicle according to claim 1 or 2, characterized in that: It also includes a control device, which is electrically connected to the data acquisition device and the driving device.

Images