Sensor node device for intelligent monitoring of plantation

Abstract

The utility model discloses a sensor node device for intelligent monitoring of a plantation, which comprises a waterproof shell, a control part and a clamping part, and the control part and the clamping part are both arranged on the inner side of the waterproof shell; a baffle is fixedly installed at the top of the waterproof shell, a lens upper cover is arranged on the top face of the baffle, an acrylic plate is arranged on the inner side of the lens upper cover, and a bottom shell is installed at the bottom of the waterproof shell. The control component comprises a PCB mainboard, the PCB mainboard is fixedly installed in an inner cavity of the waterproof shell, and a lithium battery located on the inner side of the waterproof shell is installed at the bottom of the PCB mainboard. The clamping component comprises two battery sleeve shells, and the two battery sleeve shells are fixedly installed on the opposite faces of the inner wall of the waterproof shell respectively. According to the utility model, the 3D printing splash-proof waterproof housing and the baffle plate are adopted, and the waterproof housing and the bottom housing are designed and installed in a sealed manner, so that the sensor adapts to a humid farmland environment, and meanwhile, the lens upper cover is installed at the top of the baffle plate, so that the illumination sensor can be conveniently used for uncovered monitoring.

Description

Technical Field

[0001] This utility model relates to the field of plant monitoring technology, specifically a sensor node device for intelligent monitoring of plantations. Background Technology

[0002] Crops and fruits and vegetables are sensitive to environmental parameters such as temperature, humidity, light, and soil moisture. Traditional farmland monitoring systems often use single sensors or manual monitoring, which suffer from problems such as incomplete data collection, poor real-time performance, short equipment battery life, and insufficient environmental adaptability.

[0003] Limited data: It lacks the ability to monitor multiple parameters in a coordinated manner and cannot fully reflect the plant's growth environment.

[0004] Insufficient battery life: Traditional devices rely on wired power or small-capacity batteries, making it difficult to operate for extended periods.

[0005] Poor environmental adaptability: The outer shell lacks a waterproof design and is easily damaged by irrigation water.

[0006] Low data transmission efficiency: Reliance on complex communication protocols leads to data delays or loss.

[0007] Therefore, a sensor node device for intelligent monitoring of plantations is proposed. Utility Model Content

[0008] This invention provides a sensor node device for intelligent monitoring of plantations, aiming to improve the deficiencies in data comprehensiveness, battery life, environmental adaptability, and data transmission efficiency.

[0009] This utility model is implemented as follows: a sensor node device for intelligent monitoring of plantations, including a waterproof shell, a control component and a locking component, wherein the control component and the locking component are both disposed on the inner side of the waterproof shell;

[0010] A baffle is fixedly installed on the top of the waterproof housing, a lens cover is provided on the top surface of the baffle, an acrylic plate is provided on the inside of the lens cover, and a bottom shell is installed on the bottom of the waterproof housing.

[0011] The control components include a PCB motherboard, which is fixedly installed inside the waterproof housing. A lithium battery is installed at the bottom of the PCB motherboard inside the waterproof housing.

[0012] The locking component includes two battery housings, which are fixedly installed on opposite sides of the inner wall of the waterproof outer shell, and a fixing plate is slidably installed on the bottom of the battery housing.

[0013] Preferably, a circular slot is provided at the top center of the waterproof housing, a hollow groove is provided at the bottom outer ring of the baffle to fit the outer surface of the waterproof housing, a charging interface is provided at the center of the outer surface of the waterproof housing, the charging interface can be connected to the PCB motherboard, and four mounting holes arranged in a circumferential array are provided on the bottom side of the outer surface of the waterproof housing.

[0014] Preferably, the top inner side of the baffle has a slot located outside the circular slot, the inner side of the slot engages with the lens cover, the top surface of the baffle has five positioning slots arranged in a circumferential array, and the outer surface of the lens cover also has five positioning slots corresponding to the baffle.

[0015] Preferably, the bottom inner side of the waterproof outer shell is provided with a circular locking groove, the top outer side of the bottom shell is provided with a locking plate that is fixed to the locking groove, the top inner side of the bottom shell is provided with an inner groove, the outer side of the inner groove is provided with a connecting hole, and the outer side of the bottom shell is provided with a mounting groove corresponding to the mounting hole.

[0016] Preferably, each of the two battery housings has an electrode copper core that can contact the lithium battery on its opposite sides. The inner side of the battery housing has a semi-circular arc-shaped fixing groove. Two telescopic slide rods are slidably installed at the bottom of the battery housing. A common fixing plate is fixedly installed at the bottom of the two telescopic slide rods. The inner side of the fixing plate has a semi-circular arc-shaped groove that can be spliced ​​with the fixing groove. The lithium battery can be fixedly installed on the inner side of the fixing groove.

[0017] Preferably, the top surface of the battery casing can fit against the bottom surface of the PCB motherboard, and two sponge pads are provided on the inner top surface of the bottom casing, and the bottom of the fixing plate can contact the sponge pads.

[0018] Preferably, the outer surface of the PCB motherboard is provided with four types of sensor pads, the PCB motherboard is connected to the lithium battery, and positioning holes for fixing to the waterproof shell are opened at the four corners of the PCB motherboard.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This utility model is equipped with a large-capacity lithium battery and a charging interface. It adopts a low-power design to reduce maintenance frequency. Multiple sensors are connected to the ESP32C3 via I2C bus on the PCB motherboard to reduce wiring complexity. At the same time, it integrates four types of sensors to comprehensively cover plant growth environment parameters.

[0021] 2. This utility model adopts a 3D-printed splash-proof waterproof shell and baffle, and the waterproof shell and bottom shell are sealed together to make the sensor adaptable to the humid environment of farmland. At the same time, a lens cover is installed on the top of the baffle to facilitate the use of the light sensor for unobstructed monitoring.

[0022] 3. This utility model is equipped with a battery casing and a fixing plate and a fixing slot are slidably installed, which facilitates quick installation and replacement of lithium batteries and improves the stable use of lithium batteries inside the waterproof casing. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the battery casing and its surrounding structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the exploded structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the bottom shell structure of this utility model;

[0027] Figure 5 This is a schematic diagram of the PCB motherboard design of this utility model.

[0028] In the diagram: 1. Waterproof outer shell; 11. Baffle; 12. Hollow slot; 13. Card slot; 14. Positioning slot; 15. Mounting hole; 16. Engaging slot; 2. Lens top cover; 3. Bottom shell; 31. Mounting slot; 32. Inner slot; 33. Connecting hole; 34. Sponge pad; 35. Engaging plate; 4. PCB motherboard; 5. Charging interface; 6. Battery casing; 61. Electrode copper core; 62. Fixing slot; 63. Fixing plate; 64. Telescopic slide rod; 7. Lithium battery. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Example 1

[0033] Please see Figure 1 , 3 4, 5, A sensor node device for intelligent monitoring of a plantation, comprising a waterproof housing 1, a control component and a locking component, wherein the control component and the locking component are both disposed inside the waterproof housing 1.

[0034] The control components include a PCB motherboard 4, which is fixedly installed inside the waterproof housing 1. A lithium battery 7 is installed at the bottom of the PCB motherboard 4 inside the waterproof housing 1.

[0035] The outer surface of PCB motherboard 4 is provided with four types of sensor pads. The core controller of PCB motherboard 4 adopts ESP32C3 microcontroller, which supports Wi-Fi / Bluetooth communication and integrates low power mode. The four types of pads are respectively soldered with BMP280 barometric pressure sensor, AHT20 temperature and humidity sensor, BH1750 light sensor and capacitive soil moisture sensor. By integrating four types of sensors, it is beneficial to comprehensively cover plant growth environment parameters.

[0036] Among them, the BMP280 barometric pressure sensor is used to monitor changes in barometric pressure and predict the impact of weather on crop growth;

[0037] The AHT20 temperature and humidity sensor is used for dual-parameter acquisition, with an accuracy of ±2%RH and ±0.3℃.

[0038] The BH1750 light sensor has a measurement range of 0-65535lx and supports dynamic light monitoring.

[0039] Capacitive soil moisture sensors are used to monitor soil moisture content in real time, with an error of <3%.

[0040] The communication protocol of PCB motherboard 4 mainly uses the I 2C bus to connect various sensors, reducing wiring complexity, and uses Wi-Fi to transmit data to Huawei Cloud server, using JSON format for encapsulation to ensure fast and stable data transmission.

[0041] The PCB motherboard 4 is connected to the lithium battery 7. The four corners of the PCB motherboard 4 are provided with positioning holes for fixing to the waterproof shell 1. The center of the outer surface of the waterproof shell 1 is provided with a charging interface 5, which can be connected to the PCB motherboard 4. The lithium battery 7 is a 3000mAh lithium battery. Combined with low power consumption code optimization, it can realize intermittent sensor wake-up and the battery life is ≥15 days. In addition, the PCB motherboard is also connected to a Type-C charging interface 5.

[0042] It should be noted that in sleep mode, users can disconnect the input of charging port 5, and the sensor will only retain temperature and humidity monitoring while the other modules are turned off, extending the battery life to 20 days.

[0043] Example 2

[0044] Please see Figure 1 , 3 4, 5. A baffle 11 is fixedly installed on the top of the waterproof shell 1. A circular slot is opened at the center of the top of the waterproof shell 1. A hollow groove 12 is opened on the bottom outer ring of the baffle 11 to fit the outer surface of the waterproof shell 1. The waterproof shell 1 and the baffle 11 are made of 3D printed shell. Combined with the blank space of the hollow groove 12, it has waterproof function to prevent rainwater from seeping in and adapt to the complex environment of farmland.

[0045] The top surface of the baffle 11 is provided with a lens cover 2, and the inner side of the lens cover 2 is provided with an acrylic plate. The top inner side of the baffle 11 is provided with a slot 13 located outside the circular slot. The inner side of the slot 13 is engaged with the lens cover 2. The top surface of the baffle 11 is provided with five positioning slots 14 arranged in a circumferential array. The outer surface of the lens cover 2 is also provided with five positioning slots 14 corresponding to the baffle 11. The lens cover 2 and the baffle 11 are fixed together by the corresponding positioning slots 14. The acrylic plate is installed to protect the internal light sensor from dust contamination and facilitate more accurate monitoring.

[0046] In this embodiment, four mounting holes 15 arranged in a circular array are provided on the bottom side of the outer surface of the waterproof housing 1. A bottom shell 3 is installed on the bottom of the waterproof housing 1. A circular locking groove 16 is provided on the bottom inner side of the waterproof housing 1. A locking plate 35 fixed to the locking groove 16 is provided on the outer side of the top of the bottom shell 3. A mounting groove 31 corresponding to the mounting holes 15 is provided on the outer side of the bottom shell 3. The bottom of the waterproof housing 1 is connected to the bottom shell 3 through the locking groove 16. The locking plate 35 of the bottom shell 3 is embedded in the locking groove 16 of the waterproof housing 1. The waterproof housing 1 is fixed by screws passing through the mounting holes 15 and the mounting groove 31 of the bottom shell 3 to ensure overall sealing.

[0047] The bottom shell 3 has an inner groove 32 on its inner top surface for installing a capacitive soil moisture sensor. The outer side of the inner groove 32 has a connection hole 33 to facilitate the passage of the sensor wire and to make it more stable.

[0048] Example 3

[0049] Please see Figure 1 , 2 4. The engaging component includes two battery housings 6, which are respectively fixedly installed on opposite sides of the inner wall of the waterproof housing 1. A fixing plate 63 is slidably installed on the bottom of the battery housing 6.

[0050] Both battery housings 6 have copper electrode cores 61 on opposite sides that can contact the lithium battery 7. The inner side of the battery housing 6 has a semi-circular arc-shaped fixing groove 62. Two telescopic slide rods 64 are slidably installed at the bottom of the battery housing 6. The bottom of the two telescopic slide rods 64 is fixedly installed with a common fixing plate 63. The inner side of the fixing plate 63 has a semi-circular arc-shaped groove that can be spliced ​​with the fixing groove 62. The lithium battery 7 can be fixedly clamped and installed through the fixing groove 62 composed of the two semi-circular arcs.

[0051] When installing the lithium battery 7, the lithium battery 7 is pushed into the fixing slot 62 of the battery housing 6, and the electrode of the lithium battery 7 makes contact with the electrode copper core 61 of the battery housing 6. Then, the fixing plate 63 is slid upward so that its semi-circular arc groove is spliced ​​with the fixing slot 62. The lithium battery 7 is locked by the spring pressure of the telescopic slide rod 64, which achieves a stable fixing effect.

[0052] The top surface of the battery housing 6 can fit against the bottom surface of the PCB motherboard 4. The inner top surface of the bottom housing 3 is also provided with two sponge pads 34. The bottom of the fixing plate 63 can contact the sponge pads 34 to further buffer the impact of vibration on the installation and use of the lithium battery 7.

[0053] In this embodiment, the user fixes the sensor node near the plant with the transparent window of its lens cover 2 facing upwards. After the device is powered on, it automatically connects to the Wi-Fi hotspot and collects data [temperature, humidity, light intensity, soil moisture, and air pressure] every 10 minutes. After the collected data is calibrated, it is uploaded to Huawei Cloud via the module on the PCB motherboard. Farmers can view real-time charts through the web interface to determine whether irrigation or shading measures need to be adjusted.

[0054] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sensor node device for intelligent monitoring of a plantation, comprising a waterproof housing (1), a control component and a locking component, wherein the control component and the locking component are both disposed inside the waterproof housing (1); Its features are: A baffle (11) is fixedly installed on the top of the waterproof housing (1), a lens cover (2) is provided on the top surface of the baffle (11), an acrylic plate is provided on the inner side of the lens cover (2), and a bottom shell (3) is installed on the bottom of the waterproof housing (1). The control component includes a PCB motherboard (4), which is fixedly installed in the inner cavity of the waterproof housing (1). A lithium battery (7) is installed at the bottom of the PCB motherboard (4) inside the waterproof housing (1). The engaging component includes two battery housings (6), which are respectively fixedly installed on opposite sides of the inner wall of the waterproof housing (1), and a fixing plate (63) is slidably installed on the bottom of the battery housing (6).

2. The sensor node device for intelligent monitoring of plantations according to claim 1, characterized in that: The waterproof housing (1) has a circular slot at the top center, and the baffle (11) has a slot (12) at the bottom outer ring that fits with the outer surface of the waterproof housing (1). The waterproof housing (1) has a charging interface (5) at the center of the outer surface, which can be connected to the PCB motherboard (4). The waterproof housing (1) has four mounting holes (15) arranged in a circular array on the bottom side of the outer surface.

3. A sensor node device for intelligent monitoring of a plantation according to claim 2, characterized in that: The top inner side of the baffle (11) is provided with a slot (13) located outside the circular slot. The inner side of the slot (13) is engaged with the lens cover (2). The top surface of the baffle (11) is provided with five positioning slots (14) arranged in a circular array. The outer surface of the lens cover (2) is also provided with five positioning slots (14) corresponding to the baffle (11).

4. A sensor node device for intelligent monitoring of a plantation according to claim 2, characterized in that: The waterproof outer shell (1) has an annular locking groove (16) at the bottom of its inner side. The bottom shell (3) has a locking plate (35) fixed to the locking groove (16) on its top outer side. The bottom shell (3) has an inner groove (32) on its inner top surface. The inner groove (32) has a connecting hole (33) on its outer side. The bottom shell (3) has an installation groove (31) on its outer side that corresponds to the installation hole (15).

5. A sensor node device for intelligent monitoring of a plantation according to claim 4, characterized in that: Both battery housings (6) have copper electrode cores (61) that can contact the lithium battery (7) on opposite sides. The inner side of the battery housing (6) has a semi-circular arc-shaped fixing groove (62). Two telescopic slide rods (64) are slidably installed at the bottom of the battery housing (6). The bottom of the two telescopic slide rods (64) is fixedly installed with a common fixing plate (63). The inner side of the fixing plate (63) has a semi-circular arc-shaped groove that can be spliced ​​with the fixing groove (62). The inner side of the fixing groove (62) can be fixedly installed with the lithium battery (7).

6. A sensor node device for intelligent monitoring of a plantation according to claim 5, characterized in that: The top surface of the battery casing (6) can be attached to the bottom surface of the PCB motherboard (4), and the inner top surface of the bottom shell (3) is also provided with two sponge pads (34), and the bottom of the fixing plate (63) can contact the sponge pads (34).

7. A sensor node device for intelligent monitoring of a plantation according to claim 1, characterized in that: The outer surface of the PCB motherboard (4) is provided with four types of sensor pads. The PCB motherboard (4) is connected to the lithium battery (7). The four corners of the PCB motherboard (4) are provided with positioning holes for fixing to the waterproof shell (1).

Images