CN109884276B - Layered soil humidity synchronous measuring device - Google Patents
Layered soil humidity synchronous measuring device Download PDFInfo
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- CN109884276B CN109884276B CN201910236347.9A CN201910236347A CN109884276B CN 109884276 B CN109884276 B CN 109884276B CN 201910236347 A CN201910236347 A CN 201910236347A CN 109884276 B CN109884276 B CN 109884276B
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Abstract
The application discloses a layered soil humidity synchronous measurement device. The device includes a plurality of sample measurement components, control assembly and connecting rod, the bottom of a sample measurement component is connected with the top of another adjacent sample measurement component, the top that is located the sample measurement component at top is connected with the bottom of connecting rod, the inside of sample measurement component is provided with humidity transducer and drive assembly, humidity transducer sets up on drive assembly, first cavity has been seted up to the inside of connecting rod, be provided with interior accuse axle in the first cavity, control assembly sets up the top at the connecting rod, the top and the control assembly of interior accuse axle are connected, the drive assembly in a plurality of sample measurement components connects gradually the lower part of interior accuse axle, control assembly drives the motion of the drive assembly in a plurality of sample measurement components through interior accuse axle, in order to make humidity transducer move to the outside of sample measurement component and measure the humidity of different soil layers. The application solves the technical problems that the soil humidity measuring device has low accuracy and can not measure humidity of different soil layers at the same time.
Description
Technical Field
The application relates to the field of soil humidity measurement, in particular to a layered soil humidity synchronous measurement device.
Background
Soil moisture refers to the moisture content of soil, is an important physical parameter of the soil, is a tie for connecting surface water with underground water, plays an important role in the formation, conversion and consumption processes of water resources, and has important significance for rainfall runoff, evapotranspiration, ecological system change and the like. In addition, soil humidity is also a key index in agricultural production conditions, the size of the soil moisture content plays a critical role in the growth of crops, organic nutrients in the soil are decomposed and mineralized and cannot be separated from water, chemical fertilizers applied to the soil can be dissolved only in water, nutrient ion migration to the root system surface and nutrient absorption by the crop root system are realized through moisture media, and therefore, effective and accurate measurement of the soil humidity is the basis of modern agricultural production.
The soil humidity measuring device is mainly used for measuring the water content of the soil volume so as to achieve the purposes of soil moisture content monitoring, agricultural irrigation and forestry protection. At present, various soil humidity measuring methods are available, such as a drying method, a neutron meter method, a soil conductivity measuring method and the like; at present, the main method of soil moisture measurement by the agricultural department is a traditional drying method, and some automatic observation instruments exist, but the monitoring precision of various types of instruments is uneven, and most of the existing soil moisture measurement devices are of an integrated connection structure and cannot be disassembled and combined. The carrying and the use are very inconvenient in daily life; in addition, current soil humidity measuring device only can detect the humidity of single soil layer, can not measure the soil layer of different degree of depth simultaneously, is difficult to satisfy the demand of high accuracy, multilayer soil humidity simultaneous detection volume, when need carrying out humidity measurement to the different soil layers of same position, still need the manual work to carry out a plurality of measurements, waste time and energy, the cost is too high.
Aiming at the problems that a soil humidity measuring device in the related art has low measuring precision and cannot measure humidity of different soil layers at the same time, an effective solution is not proposed at present.
Disclosure of Invention
The application mainly aims to provide a layered soil humidity synchronous measuring device, which is used for solving the problems that the soil humidity measuring device has low measuring precision and cannot measure humidity of different soil layers at the same time.
In order to achieve the above purpose, the application provides a layered soil humidity synchronous measurement device.
The layered soil humidity synchronous measuring device according to the present application comprises: the humidity sensor is arranged on the transmission component, a first cavity is formed in the connection rod, an inner control shaft capable of driving a plurality of transmission components in the sample measuring component to move is arranged in the first cavity, the control component is arranged at the top of the connection rod, the top of the inner control shaft is connected with the control component, the transmission components in the sample measuring component are sequentially connected to the lower parts of the inner control shafts, and the control component drives the transmission components in the sample measuring component to move so as to enable the humidity sensor to measure the humidity of the soil layers to be different from outside.
Further, the sample testing component comprises a shell, a second cavity is formed in the shell, a sample testing port communicated with the second cavity is formed in the side wall of the shell, the humidity sensor is located in the second cavity and is close to the sample testing port, and when the internal control shaft drives the transmission component to move, the humidity sensor stretches out of the sample testing port to the outside of the shell.
Further, a third chamber is arranged on the inner wall of the second chamber, the third chamber is located above the sample testing port, a baffle fixing port communicated with the second chamber is formed in the bottom of the third chamber, a first spring is arranged in the third chamber, a baffle capable of sliding up and down is embedded in the baffle fixing port, the top end of the first spring abuts against the top of the inner wall of the third chamber, the bottom end of the first spring abuts against the top edge of the baffle, the baffle is connected with the inner control shaft through a transmission rod, when the inner control shaft does not move, the upper portion of the baffle is located in the third chamber, and the lower portion of the baffle is located at the sample testing port to seal the sample testing port; when the inner control shaft moves, the transmission rod drives the baffle plate to slide into the third cavity upwards and extrude the first spring, and the sample measuring port is opened.
Further, a first retaining ring is arranged on the inner control shaft, a second retaining ring is arranged on the baffle, one end of the transmission rod is rotatably connected with the first retaining ring, and the other end of the transmission rod is rotatably connected with the second retaining ring.
Further, the transmission assembly comprises a linkage rod, a second spring and a pin, the inner control shaft is rotatably connected with the middle position of the linkage rod, one end of the linkage rod is rotatably connected with the inner wall of the second chamber through the pin, the humidity sensor is fixed at the other end of the linkage rod, the second spring is positioned below the linkage rod close to one side of the humidity sensor, the bottom end of the second spring is connected with the inner wall of the bottom of the second chamber, the top end of the second spring is rotatably connected with the lower part of the linkage rod, and when the inner control shaft does not move, the humidity sensor is positioned below the sample measuring port; when the inner control shaft moves, the linkage rod rotates by taking the pin as the shaft, the humidity sensor moves upwards and extends out of the sample measuring port, and the second spring is in a stretching state. Further, a first spline is arranged at the top of the shell, and a first through hole communicated with the second cavity is formed in the first spline; the bottom of shell is equipped with the second spline, set up on the second spline with the second through-hole of second cavity intercommunication, one the second spline of sample testing subassembly with adjacent another the first spline cooperation of sample testing subassembly is connected, and first spline and the outside cover of corresponding the second spline is equipped with the go-between.
Further, the layered soil humidity synchronous measuring device further comprises a probe which is convenient for the sample measuring assembly and the connecting rod to be inserted into the soil layer, and the probe is detachably connected with the bottom of the sample measuring assembly at the bottommost part.
Further, the probe is of an inverted conical structure.
Further, the layered soil humidity synchronous measuring device further comprises a handle, and the handle is fixed on the upper portion of the connecting rod.
Furthermore, the connecting rod is of a telescopic rod structure or a multi-section connecting rod structure with adjustable length.
In the embodiment of the application, a plurality of sequentially connected sample measuring components are arranged at the bottom of the connecting rod along the vertical direction, a control component capable of controlling the working state of each sample measuring component is arranged at the top of the connecting rod, a transmission component and a humidity sensor arranged on the transmission component are arranged in each sample measuring component, in addition, a first cavity is arranged in the connecting rod, an inner control shaft is arranged in the first cavity, the top end of the inner control shaft is connected with the control component, the lower part of the inner control shaft is sequentially connected with the transmission component in each sample measuring component, the inner control shaft is driven to move by pulling the control component, so that the transmission component in each sample measuring component is driven to move by the inner control shaft, the humidity sensor moves to the outside of the sample measuring component to measure the humidity of different soil layers, the purpose of simultaneously controlling the sample measuring components with different heights is achieved, the humidity sensor in the sample measuring component extends to the outside of the sample measuring component simultaneously and directly contacts with soil, and directly measures the humidity of the different soil layers, and the technical problems of simultaneously improving the measurement precision and measuring the humidity of different soil layers cannot be solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:
FIG. 1 is a front view of a layered soil moisture synchronous measuring device of the present invention;
FIG. 2 is a front cross-sectional view of the layered soil moisture synchronous measuring device of the present invention;
FIG. 3 is a perspective view of a sample assembly in the layered soil moisture synchronous measurement apparatus of the present invention;
FIG. 4 is a front cross-sectional view of a sample assembly in a layered soil moisture simultaneous measurement apparatus of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 4, the present application relates to a layered soil humidity synchronous measurement device, which comprises a plurality of sample measurement components 4, a control component 3 and a connecting rod 1, wherein the plurality of sample measurement components 4 are used for simultaneously measuring the humidity of different soil layers, the control component 3 is used for controlling the working state of each sample measurement component 4, the control component 3 is used for controlling each sample measurement component 4 to act so as to obtain the humidity information of different soil layers, and the connecting rod 1 is used for connecting the control component 3 with each sample measurement component 4. The plurality of sample measurement components 4 are sequentially arranged along the vertical direction, between two adjacent sample measurement components 4 up and down, the bottom of one sample measurement component 4 is detachably connected with the top of the other adjacent sample measurement component 4 through a spline structure, and the top of the sample measurement component 4 positioned at the top is detachably connected with the bottom of the connecting rod 1 through the spline structure. As shown in fig. 2 and 4, the humidity sensor 13 and the transmission assembly 15 are disposed inside each sample testing assembly 4, and the humidity sensor 13 is disposed on the transmission assembly 15. The inside of connecting rod 1 has seted up long tube-shape first cavity 101 along the extending direction of connecting rod 1, the opening with first cavity 101 intercommunication has all been seted up to the top and the bottom of connecting rod 1, be provided with the interior accuse axle 7 that can drive the motion of the transmission subassembly 15 in a plurality of sample measurement subassemblies 4 simultaneously in the first cavity 101, control assembly 3 sets up at the top of connecting rod 1, the opening at connecting rod 1 top is passed on the top of interior accuse axle 7 is connected with the bottom of control assembly 3, the lower part of interior accuse axle 7 passes the opening of connecting rod 1 bottom and is connected with the transmission subassembly 15 in each sample measurement subassembly 4 in proper order, control assembly 3 passes through interior accuse axle 7 and drives the motion of the transmission subassembly 15 in each sample measurement subassembly 4 simultaneously, so that humidity transducer 13 on the transmission subassembly 15 moves to the outside of sample measurement subassembly 4 and soil direct contact, in order to measure the humidity of different soil layers simultaneously. According to the application, the bottom of the connecting rod 1 is provided with the plurality of sequentially connected sample measuring assemblies 4 along the vertical direction, the top of the connecting rod 1 is provided with the control assembly 3 capable of controlling the working state of each sample measuring assembly 4, the inside of each sample measuring assembly 4 is provided with the transmission assembly 15 and the humidity sensor 13 arranged on the transmission assembly 15, in addition, the inside of the connecting rod 1 is provided with the first cavity 101, the first cavity 101 is internally provided with the inner control shaft 7, the top end of the inner control shaft 7 is connected with the control assembly 3, the lower part of the inner control shaft 7 is sequentially connected with the transmission assemblies 15 in each sample measuring assembly 4, the control assembly 3 is pulled to drive the inner control shaft 7 to move, so that the transmission assemblies 15 in each sample measuring assembly 4 are driven by the inner control shaft 7 to move to the outside of each sample measuring assembly 4, the humidity of different soil layers is measured simultaneously, the purposes of simultaneously controlling the plurality of sample measuring assemblies 4 at different heights are achieved, the control is convenient, manpower and material resources are saved, and when the humidity sensor 13 stretches out of the outside of the sample measuring assemblies to directly contact with the outside of the soil layers to measure the different soil layers, and the humidity measurement precision is greatly improved.
As shown in fig. 1 and 2, the layered soil humidity synchronous measurement device further comprises a probe 5, the probe 5 is detachably connected with the bottom of the bottommost sample measurement component 4 through a spline structure, and the sample measurement component 4 and the connecting rod 1 are conveniently inserted into a soil layer through the probe 5.
In some embodiments of the present invention, the probe 5 may be, but is not limited to, an inverted conical structure.
In some embodiments of the present invention, universal interfaces may be provided between the plurality of sample measurement assemblies 4, between the sample measurement assemblies 4 and the connecting rod 1, and between the sample measurement assemblies 4 and the probe 5, and detachable connection between the components is performed through the universal interfaces, so that not only is assembly and installation convenient, but also disassembly and transportation convenient.
As shown in fig. 1 and 2, the layered soil humidity synchronous measurement device further comprises a handle 2, the handle 2 is fixed on the upper portion of the connecting rod 1, the handle 2 is located below the control component 3, and workers can conveniently press the sample measuring component 4 and the connecting rod 1 into the soil layer through the handle 2.
In some embodiments of the present invention, the handle 2 may be, but not limited to, a cylindrical structure, the handle 2 is disposed in a direction perpendicular to the connecting rod 1, the middle position of the handle 2 is connected to the connecting rod 1, and two ends of the handle 2 correspond to two sides of the connecting rod 1.
Specifically, be integrated into one piece between handle 2 and the connecting rod 1, guarantee stable connection structure between handle 2 and the connecting rod 1, avoid appearing being connected unstably between handle 2 and the connecting rod 1 in the course of the work, prevent that handle 2 from droing or cracked condition from taking place.
In some embodiments of the present invention, the connecting rod 1 may be, but not limited to, a telescopic rod structure with adjustable length or a multi-section connecting rod structure, and the structure of the connecting rod 1 may be an existing connecting rod structure, so that the length of the connecting rod 1 may be adjusted according to the actual measured soil layer depth, and the connecting rod is suitable for measuring the humidity of soil layers with different depths.
In some embodiments of the present invention, the control assembly 3 may be, but is not limited to, a spherical structure, which facilitates manual manipulation of the control assembly 3 by a worker.
In some embodiments of the present invention, the connecting rod 1, the control assembly 3 and the handle 2 may all be made of, but are not limited to, steel materials or tough PVC (polyvinyl chloride) materials.
As shown in fig. 3 and 4, the sample testing component 4 includes a housing 401, the housing 401 is a cylindrical structure arranged along a vertical direction, a second chamber 406 is provided in the housing 401, a first spline 402 is provided at the top of the housing 401, and a first through hole 403 communicated with the second chamber 406 is provided on the first spline 402; the bottom of the shell 401 is provided with a second spline 404, a second through hole 405 communicated with a second cavity 406 is formed in the second spline 404, the second spline 404 of one sample testing component 4 is matched and connected with the first spline 402 of the adjacent other sample testing component 4, and a connecting ring 6 is sleeved outside the first spline 402 and the corresponding second spline 404. The side wall of the housing 401 is provided with a sample testing port 408 communicated with the second chamber 406, the humidity sensor 13 is located in the second chamber 406 and is close to the sample testing port 408, and when the internal control shaft 7 drives the transmission assembly 15 to move, the humidity sensor 13 extends out of the sample testing port 408 to the outside of the housing 401. The inner control shaft 7 enters the second chamber 406 from the first through hole 403 of the second chamber 406, and after being connected with the transmission assembly 15 in the second chamber 406, the inner control shaft 7 extends out from the second through hole 405 of the second chamber 406 into the housing 401 of the next adjacent sample measurement assembly 4, so as to control a plurality of transmission assemblies 15 simultaneously through the inner control shaft 7.
As shown in fig. 4, a third chamber 407 is disposed on the inner wall of the second chamber 406, the third chamber 407 is located above the sample testing port 408, a baffle fixing port communicated with the second chamber 406 is formed in the bottom of the third chamber 407, a first spring 11 is disposed in the third chamber 407, a baffle 12 capable of sliding up and down is disposed at the baffle fixing port, the top end of the first spring 11 abuts against the top of the inner wall of the third chamber 407, the bottom end of the first spring 11 abuts against the top edge of the baffle 12, and the baffle 12 is connected with the inner control shaft 7 through a transmission rod 10. When the inner control shaft 7 does not move (i.e. the worker does not operate the control assembly 3), the upper part of the baffle plate 12 is positioned in the third chamber 407, the lower part of the baffle plate 12 is positioned at the sample testing port 408 and seals the sample testing port 408, so that soil is prevented from entering the second chamber 406, and the normal operation of the measuring device is influenced; when the inner control shaft 7 moves (i.e. the staff operates the control assembly 3), the transmission rod 10 drives the baffle 12 to slide upwards into the third chamber 407, and presses the first spring 11, so that the first spring 11 is in a compressed state, at this time, the lower part of the sample testing port 408 is opened, and the humidity sensor 13 extends out of the housing 401 from the sample testing port 408.
As shown in fig. 4, the transmission assembly 15 includes a linkage rod 8, a second spring 14 and a pin 9, the inner control shaft 7 is rotatably connected with the middle position of the linkage rod 8, one end of the linkage rod 8 is rotatably connected with the inner wall of the second chamber 406 through the pin 9, the pin 9 is rotatably sleeved on the linkage rod 8, and two ends of the pin 9 are correspondingly rotatably connected with the inner wall of the second chamber 406. The humidity sensor 13 is fixed at the other end of the linkage rod 8, the second spring 14 is positioned below the linkage rod 8 near one side of the humidity sensor 13, the bottom end of the second spring 14 is connected with the bottom inner wall of the second chamber 406, and the top end of the second spring 14 is rotatably connected with the lower part of the linkage rod 8. When the inner control shaft 7 does not move (i.e. the staff member does not operate the control assembly 3), the humidity sensor 13 is located below the sample testing port 408; when the inner control shaft 7 moves (i.e., the worker manipulates the control assembly 3), the link lever 8 rotates about the pin 9, and the humidity sensor 13 moves upward and protrudes from the lower open position of the sample port 408 to the outside of the housing 401, at which time the second spring 14 is in a stretched state. After the soil humidity measurement is completed, the worker can release the control assembly 3, and the humidity sensor 13 is retracted into the housing 401 by means of the restoring force of the second spring 14, so that the baffle 12 falls down and the sample measuring port 408 is closed, thereby preventing the soil from entering and affecting the normal operation of all the components in the housing 401.
Specifically, an inner control shaft 7 is positioned between the connecting rod and the topmost sample testing component 4, the top end of the inner control shaft 7 is connected with the bottom of the control component 3, and the bottom of the inner control shaft 7 is rotatably connected with the middle position of the top of the linkage rod 8 in the topmost sample testing component 4; the inner control shaft 7 is located between two adjacent sample measurement assemblies 4, the top end of the inner control shaft 7 is rotatably connected with the middle position of the bottom of the linkage rod 8 in the upper sample measurement assembly 4, and the bottom end of the inner control shaft 7 is rotatably connected with the middle position of the top of the linkage rod 8 in the lower sample measurement assembly 4, so that a worker can drive all the linkage rods 8 to move only by controlling the control assembly 3, and humidity of different soil layers is measured simultaneously.
Specifically, the first retaining ring 701 is disposed on the inner control shaft 7 in the second chamber 406 of each sample testing assembly 4, the first retaining ring 701 is located above the linkage rod 8, the second retaining ring 1201 is disposed on the baffle 12, the second retaining ring 1201 is located at the upper portion of the inner sidewall of the baffle 12, one end of the transmission rod 10 is rotatably connected with the first retaining ring 701, and the other end of the transmission rod 10 is rotatably connected with the second retaining ring 1201.
In some embodiments of the present invention, the housing 401 may be made of, but not limited to, a steel material or a tough PVC material.
The working principle of the device is as follows:
In the non-working state, the baffle 12 blocks the sample testing port 408 due to the downward elastic force of the first spring 11 on the baffle 12, the sample testing port 408 is closed, and the control assembly 3 is contacted with the top of the connecting rod 1;
Under the operating condition, the control assembly 3 is manually lifted upwards by a worker, the control assembly 3 drives the inner control shaft 7 to move upwards, the inner control shaft 7 drives the baffle 12 to slide upwards to enter the third chamber 407 and squeeze the first spring 11, meanwhile, the inner control shaft 7 drives the linkage rod 8 to rotate by taking the pin 9 as an axis, the humidity sensor 13 which is positioned below the sample testing port 408 and is arranged on the linkage rod 8 rotates upwards and stretches out of the opening position of the lower part of the sample testing port into the external soil of the shell 401, and therefore the humidity of the soil is measured.
From the above description, it can be seen that the following technical effects are achieved:
According to the application, the bottom of the connecting rod 1 is provided with the plurality of sequentially connected sample measuring assemblies 4 along the vertical direction, the top of the connecting rod 1 is provided with the control assembly 3 capable of controlling the working state of each sample measuring assembly 4, the inside of each sample measuring assembly 4 is provided with the transmission assembly 15 and the humidity sensor 13 arranged on the transmission assembly 15, in addition, the inside of the connecting rod 1 is provided with the first cavity 101, the first cavity 101 is internally provided with the inner control shaft 7, the top end of the inner control shaft 7 is connected with the control assembly 3, the lower part of the inner control shaft 7 is sequentially connected with the transmission assemblies 15 in each sample measuring assembly 4, the control assembly 3 is pulled to drive the inner control shaft 7 to move, so that the transmission assemblies 15 in each sample measuring assembly 4 are driven by the inner control shaft 7 to move to the outside of each sample measuring assembly 4, the humidity of different soil layers is measured simultaneously, the purposes of simultaneously controlling the plurality of sample measuring assemblies 4 at different heights are achieved, the control is convenient, manpower and material resources are saved, and when the humidity sensor 13 stretches out of the outside of the sample measuring assemblies to directly contact with the outside of the soil layers to measure the different soil layers, and the humidity measurement precision is greatly improved.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. A layered soil moisture synchronous measurement device, comprising: a plurality of sample measuring components (4) for measuring humidity of different soil layers, a control component (3) for controlling the working state of the sample measuring components (4) and a connecting rod (1) for connecting the control component (3) and the sample measuring components (4), wherein the sample measuring components (4) are distributed along the vertical direction, the bottom of one sample measuring component (4) is connected with the top of the adjacent sample measuring component (4), the top of the sample measuring component (4) positioned at the top is connected with the bottom of the connecting rod (1),
The inside of sample testing component (4) is provided with humidity transducer (13) and drive assembly (15), humidity transducer (13) set up on drive assembly (15), first cavity (101) have been seted up to the inside of connecting rod (1), be provided with in first cavity (101) and can drive a plurality of drive assembly (15) motion's in sample testing component (4 interior accuse axle (7), control assembly (3) set up in the top of connecting rod (1), the top of interior accuse axle (7) with control assembly (3) are connected, a plurality of drive assembly (15) in sample testing component (4) are in proper order connected in the lower part of interior accuse axle (7), control assembly (3) are through interior accuse axle (7) drive a plurality of in sample testing component (4) drive assembly (15) motion, so that humidity transducer (13) motion to the outside of measuring component (4) is measured humidity differently;
The sample testing assembly (4) comprises a shell (401), a second cavity (406) is formed in the shell (401), a sample testing port (408) communicated with the second cavity (406) is formed in the side wall of the shell (401), the humidity sensor (13) is located in the second cavity (406) and is close to the sample testing port (408), and when the inner control shaft (7) drives the transmission assembly (15) to move, the humidity sensor (13) stretches out of the sample testing port (408) to the outside of the shell (401);
A third chamber (407) is arranged on the inner wall of the second chamber (406), the third chamber (407) is positioned above the sample testing port (408), a baffle fixing port communicated with the second chamber (406) is formed in the bottom of the third chamber (407), a first spring (11) is arranged in the third chamber (407), a baffle (12) capable of sliding up and down is embedded at the baffle fixing port, the top end of the first spring (11) is abutted against the top of the inner wall of the third chamber (407), the bottom end of the first spring (11) is abutted against the top edge of the baffle (12), the baffle (12) is connected with the inner control shaft (7) through a transmission rod (10), when the inner control shaft (7) does not move, the upper part of the baffle (12) is positioned in the third chamber (407), and the lower part of the baffle (12) is positioned at the sample testing port (408) to seal the sample testing port (408); when the inner control shaft (7) moves, the transmission rod (10) drives the baffle plate (12) to slide upwards into the third cavity (407) and squeeze the first spring (11), and the sample measuring port (408) is opened;
the transmission assembly (15) comprises a linkage rod (8), a second spring (14) and a pin (9), wherein the inner control shaft (7) is rotatably connected with the middle position of the linkage rod (8), one end of the linkage rod (8) is rotatably connected with the inner wall of the second chamber (406) through the pin (9), the humidity sensor (13) is fixed at the other end of the linkage rod (8), the second spring (14) is positioned below the linkage rod (8) close to one side of the humidity sensor (13), the bottom end of the second spring (14) is connected with the bottom inner wall of the second chamber (406), the top end of the second spring (14) is rotatably connected with the lower part of the linkage rod (8), and when the inner control shaft (7) does not move, the humidity sensor (13) is positioned below the sample measuring port (408); when the inner control shaft (7) moves, the linkage rod (8) rotates by taking the pin (9) as an axis, the humidity sensor (13) moves upwards and stretches out of the sample measuring port (408), and the second spring (14) is in a stretching state;
A first spline (402) is arranged at the top of the shell (401), and a first through hole (403) communicated with the second cavity (406) is formed in the first spline (402); the bottom of shell (401) is equipped with second spline (404), set up on second spline (404) with second through-hole (405) of second cavity (406) intercommunication, one second spline (404) of sample testing component (4) with adjacent another sample testing component (4) first spline (402) cooperation is connected, and first spline (402) with the outside cover of corresponding second spline (404) is equipped with go-between (6).
2. The layered soil humidity synchronous measurement device according to claim 1, wherein a first retaining ring (701) is arranged on the inner control shaft (7), a second retaining ring (1201) is arranged on the baffle plate (12), one end of the transmission rod (10) is rotatably connected with the first retaining ring (701), and the other end of the transmission rod (10) is rotatably connected with the second retaining ring (1201).
3. The layered soil moisture simultaneous measurement device of claim 1, further comprising a probe (5) facilitating insertion of the sample assembly (4) and the connecting rod (1) into the soil layer, the probe (5) being detachably connected to the bottom of the bottommost sample assembly (4).
4. A layered soil moisture simultaneous measurement device as claimed in claim 3, wherein the probe (5) is of inverted conical configuration.
5. The layered soil moisture synchronization measurement device according to claim 1, further comprising a handle (2), the handle (2) being fixed at an upper portion of the connecting rod (1).
6. The layered soil humidity synchronous measurement device according to claim 1, wherein the connecting rod (1) is a telescopic rod structure or a multi-section connecting rod structure with adjustable length.
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| CN110568021B (en) * | 2019-10-09 | 2024-04-19 | 清华大学 | Tower-type soil moisture content monitor based on filter-type soil moisture content sensor |
| CN114556088A (en) * | 2019-10-16 | 2022-05-27 | 精密种植有限责任公司 | Soil water collection and analysis system and related methods |
| CN114323161B (en) * | 2022-03-09 | 2022-05-24 | 徐州迈远智能科技有限公司 | Sensor for monitoring field environment for plant protection |
| CN115901926B (en) * | 2023-02-20 | 2023-05-12 | 山西省生态环境监测和应急保障中心(山西省生态环境科学研究院) | Monitor for measuring soil water content through magnetic variable |
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