CN218445477U

CN218445477U - Circular tube type soil moisture detector

Info

Publication number: CN218445477U
Application number: CN202221694375.9U
Authority: CN
Inventors: 徐宇红; 谢志勇; 康称发
Original assignee: Shenzhen Fine Offset Electronics Co ltd
Current assignee: Shenzhen Fine Offset Electronics Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-02-03
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of the soil moisture detects, especially, circular tube formula soil moisture detector, including humidity transducer I, humidity transducer II, humidity transducer III, power module, radio frequency communication module, MCU chip and clock circuit, humidity transducer I is used for measuring the soil moisture of the first degree of depth, humidity transducer I is connected with the MCU chip electricity, humidity transducer II is used for measuring the soil moisture of the second degree of depth, humidity transducer II is connected with the MCU chip electricity. This pipe formula soil moisture detector inserts soil with the PVC pipe, pulls out flexible probe III from flexible probe II again, and flexible probe II pulls out from flexible probe I to put into to the PVC pipe, separate probe and soil with the PVC pipe, measure the soil moisture of the different degree of depth through humidity transducer I, humidity transducer II and humidity transducer III, adopt the setting of pull formula, it is convenient to take out, and the later maintenance of being convenient for.

Description

Circular tube type soil moisture detector

Technical Field

The utility model relates to a soil moisture content detects technical field, especially relates to a circular tube formula soil moisture content detector.

Background

In the process of automatic agricultural production, the water content of soil is mastered in time, water is reasonably organized, and the requirement of meeting the water demand of crops and plants by controlling and adjusting the soil moisture is important content of the automatic agriculture, the decomposition and mineralization of organic nutrients in the soil can not separate water, chemical fertilizer applied into the soil can be dissolved only in water, nutrient ions migrate to the surface of a root system, and the absorption of the crop root system to the nutrients must be realized through a moisture medium, so that the effective measurement and control of the soil moisture content are the basis of the modern agricultural production.

Soil moisture detector mainly is used for measuring soil volume water content, does soil moisture content monitoring and agricultural irrigation and forestry protection, and soil moisture detector adopts single probe more at present, can only test the moisture content on soil surface, and the soil moisture to the different degree of depth can't be measured, and soil moisture detector's probe is direct and soil contact, and the time is long can dirty after the probe, leads to the measuring result not accurate.

SUMMERY OF THE UTILITY MODEL

Based on current soil moisture detector adopts single probe more, can only test soil surface's moisture content, can't measure the soil moisture of the different degree of depth, and soil moisture detector's probe is direct and soil contact, and the time is the back probe can be dirty for a long time, leads to the not accurate technical problem of measuring result, the utility model provides a circular tube formula soil moisture detector.

The utility model provides a round tube formula soil moisture detector, including humidity transducer I, humidity transducer II, humidity transducer III, power module, radio frequency communication module, MCU chip and clock circuit, humidity transducer I is used for measuring the soil moisture of first degree of depth, humidity transducer I is connected with the MCU chip electricity, humidity transducer II is used for measuring the soil moisture of the second degree of depth, humidity transducer II is connected with the MCU chip electricity, humidity transducer III is used for measuring the soil moisture of the third degree of depth, humidity transducer III is connected with the MCU chip electricity.

The utility model discloses a soil moisture detector, including power module, MCU chip, humidity transducer I, humidity transducer II, humidity transducer III, radio frequency communication module and MCU chip electricity, power module provides the electric energy for this soil moisture detector's work, power module and humidity transducer I, humidity transducer II, humidity transducer III, radio frequency communication module and MCU chip electricity are connected, radio frequency communication module is used for sending soil moisture data to the external world, radio frequency communication module is connected with the SPI end electricity of MCU chip, the MCU chip is used for receiving humidity transducer I, humidity transducer II, humidity transducer III's data signal to judge whether control radio frequency communication module sends soil moisture data signal to the external world according to the testing result, clock circuit is used for detecting the operating time of MCU chip, clock circuit and MCU chip electricity are connected.

Preferably, the radio frequency communication device further comprises a control mainboard, the radio frequency communication module and the MCU chip are both arranged on the control mainboard, and the clock circuit is arranged on the MCU chip.

Preferably, still include the casing, the control mainboard is installed in the casing, the head end of casing is connected with telescopic probe I, telescopic probe I in-connection has telescopic probe II, telescopic probe II in-connection has telescopic probe III.

Preferably, humidity transducer I connects on flexible probe I, humidity transducer II connects on flexible probe II, humidity transducer III connects on flexible probe III.

Preferably, the bottom of casing is slope form fixedly connected with connection shell, the bottom threaded connection of connection shell has the handle, power module installs in the handle, power module is the battery.

Preferably, the bottom of the handle is in threaded connection with a sealing cover, and a sealing ring I is sleeved between the sealing cover and the handle.

Preferably, the tail end of the shell is in threaded connection with a tail cover, and a sealing ring II is sleeved between the tail cover and the shell.

Preferably, the model of the MCU chip is MC96F6332L, and the model of the radio frequency communication module is CMT2119A.

Preferably, the detection end of the telescopic probe III is conical, and the outer diameter of the detection end of the telescopic probe III is gradually reduced along the direction far away from the telescopic probe II.

The utility model provides a beneficial effect does:

adopt the design of multisection formula, establish humidity transducer I on flexible probe I, humidity transducer II establishes on flexible probe II, humidity transducer III connects on flexible probe III, adopt the probe of multisection, the soil moisture of the different degree of depth of measurable quantity, when using, insert soil with the PVC pipe earlier, pull out flexible probe III from flexible probe II again, flexible probe II pulls out from flexible probe I, and put into to the PVC pipe, separate probe and soil with the PVC pipe, through humidity transducer I, humidity transducer II and humidity transducer III measure the soil moisture of the different degree of depth, adopt pull formula setting, it is convenient to take out, and be convenient for later maintenance.

Drawings

FIG. 1 is a block diagram of the structure circuit of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is an explosion diagram of the structure of the present invention.

In the figure: 1. a humidity sensor I; 2. a humidity sensor II; 3. a humidity sensor III; 4. a power supply module; 5. a radio frequency communication module; 6. an MCU chip; 7. a clock circuit; 8. a control main board; 9. a housing; 10. a telescopic probe I; 11. a telescopic probe II; 12. a telescopic probe III; 13. a connecting shell; 14. a handle; 15. a sealing cover; 16. a seal ring I; 17. a tail cover; 18. and a sealing ring II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a round tube formula soil moisture detector, including humidity transducer I1, humidity transducer II 2, humidity transducer III3, power module 4, radio frequency communication module 5, MCU chip 6 and clock circuit 7, humidity transducer I1 is used for measuring the soil moisture of first degree of depth, humidity transducer I1 is connected with MCU chip 6 electricity, humidity transducer II 2 is used for measuring the soil moisture of second degree of depth, humidity transducer II 2 is connected with MCU chip 6 electricity, humidity transducer III3 is used for measuring the soil moisture of third degree of depth, humidity transducer III3 is connected with MCU chip 6 electricity.

Power module 4 provides the electric energy for this soil moisture detector's work, power module 4 and humidity transducer I1, humidity transducer II 2, humidity transducer III3, radio frequency communication module 5 and MCU chip 6 electricity are connected, radio frequency communication module 5 is used for sending soil moisture data to the external world, radio frequency communication module 5 is connected with MCU chip 6's SPI end electricity, radio frequency communication module 5's model is CMT2119A, MCU chip 6 is used for receiving humidity transducer I1, humidity transducer II 2, humidity transducer III 3's data signal, and judge according to the testing result whether control radio frequency communication module 5 to send soil moisture data signal to the external world, MCU chip 6's model is MC96F6332L, clock circuit 7 is used for detecting MCU chip 6's operating time, clock circuit 7 is connected with MCU chip 6 electricity.

In the embodiment of the application, pipe formula soil moisture detector, still including control mainboard 8, radio frequency communication module 5 and MCU chip 6 all set up on control mainboard 8, clock circuit 7 sets up on MCU chip 6, clock circuit 7 inserts 32.768KHZ, can be with control mainboard 8, radio frequency communication module 5 and MCU chip 6 are installed on control mainboard 8, be convenient for to control mainboard 8, radio frequency communication module 5 and MCU chip 6's installation is fixed.

In the embodiment of the application, pipe formula soil moisture detector, still include casing 9, casing 9 is cylindric, be equipped with in casing 9 and hold the chamber, control mainboard 8 is installed in casing 9, the head end of casing 9 is connected with flexible probe I10, flexible probe II 11 is connected to flexible probe I10 in, flexible probe II 11 can be in flexible probe I10 telescopic motion, flexible probe II 11 in-connection has flexible probe III12, flexible probe III12 can stretch out and draw back in flexible probe II 11 and remove, humidity transducer I1 connects on flexible probe I10, humidity transducer II 2 connects on flexible probe II 11, humidity transducer III3 connects on flexible probe III12, the sense terminal of flexible probe III12 is the toper, the external diameter of flexible probe III12 sense terminal diminishes along the direction of keeping away from flexible probe II 11 gradually, when using, insert soil with the PVC pipe earlier, again pull out flexible probe III12 from flexible probe II 11, flexible probe II 11 pulls out from flexible probe I10, and put into the PVC pipe, with the PVC pipe with humidity transducer I and soil moisture transducer I1 separate, the humidity transducer II is convenient for later stage to take out, the moisture sensor sets up and the convenient for taking out.

In the embodiment of the application, the bottom of casing 9 is slope form fixedly connected with connecting shell 13, the bottom threaded connection of connecting shell 13 has handle 14, be convenient for grip the use of this soil moisture detector through handle 14, power module 4 installs in handle 14, power module 4 is the battery, the bottom threaded connection of handle 14 has sealed lid 15, the cover is equipped with sealing washer I16 between sealed lid 15 and the handle 14, sealing washer I16 has strengthened the leakproofness between sealed lid 15 and the handle 14, prevent that moisture from entering into in the handle 14, protective effect has been played to the battery, the tail end threaded connection of casing 9 has tail cover 17, tail cover 17 detachable design, be convenient for installation and maintenance to the interior part of casing 9, the cover is equipped with sealing washer II 18 between tail cover 17 and the casing 9, sealing washer II 18 can strengthen the leakproofness between tail cover 17 and the casing 9, prevent that moisture from entering into in the casing 9.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a circular tube formula soil moisture detector which characterized in that includes:

the humidity sensor I (1) is used for measuring soil moisture of a first depth, and the humidity sensor I (1) is electrically connected with the MCU chip (6);

the humidity sensor II (2), the humidity sensor II (2) is used for measuring soil moisture of a second depth, and the humidity sensor II (2) is electrically connected with the MCU chip (6);

the humidity sensor III (3) is used for measuring soil moisture at a third depth, and the humidity sensor III (3) is electrically connected with the MCU chip (6);

the power module (4) provides electric energy for the work of the soil moisture detector, and the power module (4) is electrically connected with the humidity sensor I (1), the humidity sensor II (2), the humidity sensor III (3), the radio frequency communication module (5) and the MCU chip (6);

the soil moisture data transmission device comprises a radio frequency communication module (5), wherein the radio frequency communication module (5) is used for transmitting soil moisture data to the outside, and the radio frequency communication module (5) is electrically connected with an SPI (serial peripheral interface) end of an MCU (microprogrammed control unit) chip (6);

the MCU chip (6) is used for receiving data signals of the humidity sensor I (1), the humidity sensor II (2) and the humidity sensor III (3) and judging whether to control the radio frequency communication module (5) to send out a soil moisture data signal to the outside or not according to a detection result;

the clock circuit (7), clock circuit (7) are used for detecting the operating time of MCU chip (6), clock circuit (7) are connected with MCU chip (6) electricity.

2. The round tube soil moisture detector of claim 1, wherein: the radio frequency communication device is characterized by further comprising a control mainboard (8), wherein the radio frequency communication module (5) and the MCU chip (6) are both arranged on the control mainboard (8), and the clock circuit (7) is arranged on the MCU chip (6).

3. The circular tube soil moisture detector of claim 2, wherein: still include casing (9), install in casing (9) control mainboard (8), the head end of casing (9) is connected with telescopic probe I (10), telescopic probe I (10) in-connection has telescopic probe II (11), telescopic probe II (11) in-connection has telescopic probe III (12).

4. The circular tube soil moisture detector of claim 3, wherein: humidity transducer I (1) is connected on telescopic probe I (10), humidity transducer II is connected on telescopic probe II (11), humidity transducer III (3) is connected on telescopic probe III (12).

5. The circular tube soil moisture detector of claim 3, wherein: the bottom of casing (9) is slope form fixedly connected with and connects shell (13), the bottom threaded connection who connects shell (13) has handle (14), install in handle (14) power module (4), power module (4) are the battery.

6. The round tube soil moisture detector of claim 5, wherein: the bottom of handle (14) threaded connection has sealed lid (15), the cover is equipped with sealing washer I (16) between sealed lid (15) and handle (14).

7. The round tube soil moisture detector of claim 3, wherein: the tail end of the shell (9) is in threaded connection with a tail cover (17), and a sealing ring II (18) is sleeved between the tail cover (17) and the shell (9).

8. The circular tube soil moisture detector of claim 1, wherein: the model of the MCU chip (6) is MC96F6332L, and the model of the radio frequency communication module (5) is CMT2119A.

9. The circular tube soil moisture detector of claim 3, wherein: the detection end of the telescopic probe III (12) is conical, and the outer diameter of the detection end of the telescopic probe III (12) is gradually reduced along the direction far away from the telescopic probe II (11).