Soil temperature and humidity sensor

Abstract

The utility model relates to the technical field of soil temperature and humidity sensors, and discloses a soil temperature and humidity sensor which comprises a sensor shell. According to the utility model, the micro driving motor is operated, and the output end of the micro driving motor rotates the threaded rod, so that the threaded sliding block slides downwards along the outer wall of the threaded rod and the inner wall of the avoiding sliding groove, and meanwhile, the threaded sliding block downwards drives the probe to slide along the avoiding hole, so that the depth of the probe entering the soil is adjusted, and later storage is facilitated; after the internal temperature and humidity of the soil are detected, a threaded rod is rotated reversely, so that a threaded sliding block slides upwards along the surface of the threaded rod and the inner wall of an avoiding sliding groove, the threaded sliding block drives a probe to slide upwards, and when the soil on the surface of the probe is in contact with a soil cleaning block, the probe is cleaned. The soil cleaning block is arranged on the surface of the probe, so that the soil on the surface of the probe is removed by the soil cleaning block, the tidiness of the probe after being stored is ensured, and the probe is prevented from being influenced by the soil remained last time during the next detection operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil temperature and humidity sensor technical field especially relates to a soil temperature and humidity sensor. BACKGROUND

[0002] Common soil temperature and humidity sensor is resistance type soil temperature and humidity sensor. It indirectly calculates the humidity of soil by measuring the resistance value in soil, because the water content directly influences the conductivity of soil. When the soil humidity is higher, the resistance value is lower, and when the water content is less, the resistance value is higher.

[0003] The soil temperature and humidity sensor in the prior art is inconvenient to fix during installation and use, and the traditional sensor can only detect the surface soil, the application range of the short probe head is small when collecting data of soil at different depths, the sensor cannot detect deep soil layers, the practicability is poor, and the sensor is inconvenient to store after detection, meanwhile, when the probe is taken out of the soil, the probe surface will be covered with some soil, which needs to be cleaned repeatedly by manual, so that the storage process is more complicated. UTILITARIAN CONTENT

[0004] To solve the above technical problems, the utility model provides a soil temperature and humidity sensor.

[0005] The utility model discloses the following technical scheme is realized: a soil temperature and humidity sensor, including sensor shell, the inner wall of sensor shell is seted up and avoids the sliding slot, the top fixed connection of sensor shell inner wall has micro - drive motor, the output fixed connection of micro - drive motor has screw rod, the outer wall screw thread connection of screw rod has screw block, the bottom of sensor shell inner wall is seted up and avoids the hole, the bottom fixed connection of screw block has probe, the bottom fixed connection of sensor shell has soil cleaning piece.

[0006] As a further improvement of the above scheme, the outer wall of the screw block is slidably connected to the inner wall of the avoiding sliding slot, the outer wall of the probe is slidably connected to the inner wall of the avoiding hole, the outer wall of the probe is slidably connected to the inner wall of the soil cleaning piece, and the end of the probe away from the screw block extends through the bottom of the inner wall of the sensor shell.

[0007] As a further improvement of the above scheme, the avoiding hole is provided with two, and the two avoiding holes are symmetrically arranged with the screw rod as the center.

[0008] As a further improvement of the above scheme, the soil cleaning piece is provided with two, and the two soil cleaning pieces are symmetrically arranged with the screw rod as the center.

[0009] Through the technical scheme, the miniature driving motor is operated, the threaded rod is rotated at the output end of the miniature driving motor, the threaded sliding block is slid downward along the outer wall of the threaded rod and the inner wall of the avoiding sliding groove, meanwhile, the probe is slid downward along the avoiding hole by the threaded sliding block, so that the depth of the probe into the soil is adjusted, and the probe is conveniently stored later.

[0010] As a further improvement of the above scheme, the temperature and humidity sensor is fixedly connected to the top of the sensor shell, and a guide sliding groove is formed in the outer wall of the sensor shell.

[0011] As a further improvement of the above scheme, a counterweight sliding block is slidably connected to the inner wall of the guide sliding groove, a bottom limiting plate is arranged at the bottom of the counterweight sliding block, and a top limiting plate is arranged at the top of the counterweight sliding block.

[0012] As a further improvement of the above scheme, the bottom limiting plate is fixedly connected to the surface of the sensor shell, and the top limiting plate is fixedly connected to the surface of the sensor shell.

[0013] Through the technical scheme, the counterweight sliding block is pulled upward, the counterweight sliding block is slid upward along the guide sliding groove, and then the counterweight sliding block is slid downward along the guide sliding groove, so that the counterweight sliding block strikes the bottom limiting plate, and the bottom limiting plate drives the sensor shell to slide toward the soil.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a soil temperature and humidity detection device, including sensor shell, miniature driving motor, threaded rod, threaded sliding block, avoiding sliding groove, probe, soil cleaning block and soil temperature and humidity sensor, the threaded rod is fixedly connected to the sensor shell, the threaded sliding block is slidably connected to the threaded rod, the avoiding sliding groove is formed in the threaded sliding block, the probe is slidably connected to the threaded sliding block, the soil cleaning block is fixedly connected to the threaded sliding block, and the soil temperature and humidity sensor is fixedly connected to the top of the sensor shell.

[0016] The utility model discloses a probe is inserted to the inside of soil and is detected when needing, and the traditional probe needs manual to press down, but in the process of pressing down, the probe can be deformed and be damaged because of operator's mistake, and the counterweight sliding block is pulled up to make the counterweight sliding block slide up along the guide sliding slot, and then the counterweight sliding block is slid down along the guide sliding slot, and the counterweight sliding block is made to hit the bottom limit board, and the bottom limit board drives the sensor shell to slide to the soil direction, so that the probe is inserted to the inside of soil under the repeated operation of the counterweight sliding block, so that the process that the probe enters the inside of soil becomes more convenient, and the practicality and flexibility of equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the sensor shell section structure schematic diagram of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the utility model avoiding hole;

[0020] Figure 4 It is the structure schematic diagram of the utility model soil cleaning block;

[0021] Figure 5 It is the structure schematic diagram of the utility model counterweight sliding block.

[0022] Main symbol explanation:

[0023] 1, sensor shell;2, avoiding sliding slot;3, miniature drive motor;4, threaded rod;5, threaded sliding block;6, avoiding hole;7, probe;8, soil cleaning block;9, temperature and humidity sensor;10, guide sliding slot;11, bottom limit board;12, counterweight sliding block;13, top limit board. DETAILED DESCRIPTION

[0024] Below, combining the drawings and specific implementation, the utility model is described further, need explaining, under the premise of not conflicting, the following described each embodiment or each technical feature between can be any combination and form new embodiment.

[0025] Embodiment:

[0026] Please combine Figures 1-5The soil temperature and humidity sensor of the embodiment comprises a sensor shell 1, an avoiding sliding groove 2 is formed in the inner wall of the sensor shell 1, a micro drive motor 3 is fixedly connected to the top of the inner wall of the sensor shell 1, a threaded rod 4 is fixedly connected to the output end of the micro drive motor 3, a threaded sliding block 5 is threadedly connected to the outer wall of the threaded rod 4, an avoiding hole 6 is formed in the bottom of the inner wall of the sensor shell 1, a probe 7 is fixedly connected to the bottom of the threaded sliding block 5, and a soil cleaning block 8 is fixedly connected to the bottom of the sensor shell 1.

[0027] The outer wall of the threaded sliding block 5 is slidingly connected to the inner wall of the avoiding sliding groove 2, the outer wall of the probe 7 is slidingly connected to the inner wall of the avoiding hole 6, the outer wall of the probe 7 is slidingly connected to the inner wall of the soil cleaning block 8, and the end of the probe 7 away from the threaded sliding block 5 extends through the bottom of the inner wall of the sensor shell 1.

[0028] The avoiding hole 6 is provided with two, and the two avoiding holes 6 are symmetrically arranged with the threaded rod 4 as the center.

[0029] The soil cleaning block 8 is provided with two, and the two soil cleaning blocks 8 are symmetrically arranged with the threaded rod 4 as the center.

[0030] The top of the sensor shell 1 is fixedly connected with a temperature and humidity sensor 9, and a guide sliding groove 10 is formed in the outer wall of the sensor shell 1.

[0031] A counterweight sliding block 12 is slidingly connected to the inner wall of the guide sliding groove 10, a bottom limiting plate 11 is in contact with the bottom of the counterweight sliding block 12, and a top limiting plate 13 is in contact with the top of the counterweight sliding block 12.

[0032] The bottom limiting plate 11 is fixedly connected to the surface of the sensor shell 1, and the top limiting plate 13 is fixedly connected to the surface of the sensor shell 1.

[0033] The implementation principle of the soil temperature and humidity sensor in the embodiment of the application is as follows: by running the micro drive motor 3, the micro drive motor 3 outputs a threaded rod 4, the threaded slide block 5 slides along the outer wall of the threaded rod 4 and the inner wall of the avoiding sliding groove 2 downward, at the same time, the threaded slide block 5 drives the probe 7 to slide along the avoiding hole 6 downward, so as to adjust the depth of the probe 7 into the soil, and facilitate the storage in the later period, when the soil internal temperature and humidity detection is completed, the threaded rod 4 is reversely rotated, so that the threaded slide block 5 slides along the surface of the threaded rod 4 and the inner wall of the avoiding sliding groove 2 upward, so that the threaded slide block 5 drives the probe 7 to slide upward, when the soil on the surface of the probe 7 contacts the soil cleaning block 8, the soil cleaning block 8 removes the soil on the surface of the probe 7, so as to ensure the neatness of the probe 7 after storage, and ensure that the probe 7 is not affected by the residual soil in the last detection operation, when it is needed to insert the probe 7 into the soil for detection operation, the traditional probe 7 needs to be pressed downward manually, but in the pressing process, the probe 7 may be deformed and damaged due to the operation personnel's mistake, so that the counterweight slide block 12 is pulled upward, the counterweight slide block 12 slides upward along the guide sliding groove 10, and then slides downward along the guide sliding groove 10, so that the counterweight slide block 12 strikes the bottom limiting plate 11, the bottom limiting plate 11 drives the sensor shell 1 to slide to the soil direction, so that the probe 7 is inserted into the soil under the repeated operation of the counterweight slide block 12, so that the process of inserting the probe 7 into the soil becomes more convenient, and the practicability and flexibility of the equipment are improved.

[0034] The above embodiment is only a preferred embodiment of the present application, and cannot be used to limit the scope of protection of the present application, and any non-substantial change and replacement made by a person skilled in the art on the basis of the present application belongs to the scope of protection of the present application.

Claims

1. A soil temperature and humidity sensor, characterized in that, The sensor housing (1) includes an inner wall with a clearance groove (2), a micro drive motor (3) is fixedly connected to the top of the inner wall of the sensor housing (1), a threaded rod (4) is fixedly connected to the output end of the micro drive motor (3), a threaded slider (5) is threadedly connected to the outer wall of the threaded rod (4), a clearance hole (6) is provided at the bottom of the inner wall of the sensor housing (1), a probe (7) is fixedly connected to the bottom of the threaded slider (5), and a soil cleaning block (8) is fixedly connected to the bottom of the sensor housing (1).

2. The soil temperature and humidity sensor as described in claim 1, characterized in that: The outer wall of the threaded slider (5) is slidably connected to the inner wall of the clearance groove (2), the outer wall of the probe (7) is slidably connected to the inner wall of the clearance hole (6), the outer wall of the probe (7) is slidably connected to the inner wall of the soil cleaning block (8), and the end of the probe (7) away from the threaded slider (5) penetrates the bottom of the inner wall of the sensor housing (1) and extends.

3. A soil temperature and humidity sensor as described in claim 1, characterized in that: There are two clearance holes (6), and the two clearance holes (6) are symmetrically arranged with the threaded rod (4) as the center.

4. A soil temperature and humidity sensor as described in claim 1, characterized in that: Two soil cleaning blocks (8) are provided, and the two soil cleaning blocks (8) are symmetrically arranged with the threaded rod (4) as the center.

5. A soil temperature and humidity sensor as described in claim 1, characterized in that: A temperature and humidity sensor (9) is fixedly connected to the top of the sensor housing (1), and a guide groove (10) is provided on the outer wall of the sensor housing (1).

6. A soil temperature and humidity sensor as described in claim 5, characterized in that: The inner wall of the guide groove (10) is slidably connected to a counterweight slider (12), the bottom of the counterweight slider (12) is in contact with a bottom limiting plate (11), and the top of the counterweight slider (12) is in contact with a top limiting plate (13).

7. A soil temperature and humidity sensor as described in claim 6, characterized in that: The bottom limiting plate (11) is fixedly connected to the surface of the sensor housing (1), and the top limiting plate (13) is fixedly connected to the surface of the sensor housing (1).

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