CN218098978U

CN218098978U - Hand-held soil moisture tester

Info

Publication number: CN218098978U
Application number: CN202121968930.8U
Authority: CN
Inventors: 刘惠斌; 卢玉; 陆之平; 王晨光; 王颖; 李飞
Original assignee: Tianjin Teli Puer Technology Co ltd
Current assignee: Tianjin Teli Puer Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-12-20
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a hand-held type soil moisture apparatus, including apparatus body and sensor, apparatus body up end is equipped with display screen, control area and shift knob, and USB, BNC, DC socket interface and battery powered switch have been seted up to the apparatus body, and inside is equipped with nuclear core plate, battery, signal acquisition board, liquid crystal drive plate, button drive plate, GPS module and power supply unit. The inside fin that still is equipped with of apparatus body, lid and bottom plate behind the bottom of apparatus body is equipped with the battery, and a plurality of heat dissipation slot holes have been seted up at the bottom plate middle part, and the heat dissipation slot hole corresponds and laminates with the inside fin of apparatus body, and the sensor includes sensor housing, coaxial cable and needle body, coaxial cable connection apparatus body. The utility model has the advantages that: the method can accurately measure the apparent dielectric constant, conductivity and other dielectric properties of the soil. A built-in formula is adopted, and the error of measuring the volume water content of the soil is less than +/-2%. The radiating long hole is matched with the radiating fin, so that the radiating effect is good.

Description

Hand-held soil moisture tester

Technical Field

The utility model relates to a soil moisture determination equipment technical field especially relates to hand-held type soil moisture tester.

Background

Soil moisture content refers to the condition of soil humidity. Soil moisture is the degree of dryness of the soil, i.e., the actual moisture content of the soil. The soil moisture content is used for judging the condition of water content in the soil of the crop plough layer, and the change of the soil moisture content is known in time, so that the occurrence of drought can be effectively avoided, the damage loss is reduced, and meanwhile, the method also has important guiding significance for developing refined agricultural irrigation.

The soil moisture meter can measure the moisture state of soil. Is an important instrument for measuring soil moisture content. The soil moisture tester with good performance is necessary for meeting the requirements of soil moisture analysis and drought analysis, water resource scientific management and drought resistance and disaster relief decision.

The formula is rateed before current non-TDR hand-held type soil moisture apparatus need survey, can't realize quick accurate measurement, and traditional TDR soil moisture apparatus, and the volume is great, is not portable. In addition, the handheld soil moisture meter generates heat easily in long-time work, and the radiating effect is not good, influences staff's work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at improving the problem, and the hand-held type soil moisture meter that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hand-held soil moisture tester comprises a tester body and a sensor. The utility model discloses a survey appearance, including apparatus body, survey appearance body, switch button, display screen, control area and switch button, the display screen sets up the left part at survey appearance body up end, control area sets up the right at the display screen, switch button sets up control area's below, control area includes a plurality of control button. The tester comprises a tester body and is characterized in that a USB interface, a BNC interface and a DC socket interface are arranged on one side surface of the tester body, and a battery power supply switch is arranged on the other side surface of the tester body. The tester body is internally provided with a core board, a battery, a signal acquisition board, a liquid crystal drive board, a key drive board, a GPS module and a power supply unit. Nuclear core plate is connected with battery, signal acquisition board, liquid crystal drive board 23, button drive board 24, USB interface, BNC interface and DC socket interface respectively through the data line, the battery passes through the data line and is connected with nuclear core plate, battery powered switch and signal acquisition board respectively, the signal acquisition board is connected with battery and nuclear core plate respectively through the data line, liquid crystal drive board 23 is connected with display screen 4, button drive board 24 is connected with control area. The inside fin that still is provided with of apparatus body, the bottom of apparatus body is provided with lid and bottom plate behind the battery, a plurality of heat dissipation slot holes have been seted up at the bottom plate middle part, heat dissipation slot hole and the inside fin one-to-one of apparatus body and laminating. The portable measuring instrument comprises a measuring instrument body, and is characterized in that the left end and the right end of the upper end face of the measuring instrument body are respectively provided with a hand-held groove, and the lower end face of the measuring instrument body is symmetrically provided with two rectangular grooves. The sensor comprises a sensor shell, a coaxial cable and a needle body, and the determinator body is connected with the sensor through the coaxial cable.

Preferably, the tester also comprises a power adapter which is connected with the tester body through a battery-powered switch.

Preferably, the radiating fins and the bottom plate are coated with heat-conducting silica gel at the positions corresponding to the radiating long holes.

Preferably, the bottom of the tester body is provided with a supporting leg.

Preferably, the USB port, the BNC port and the power jack are provided with dust plugs.

Preferably, the battery rear cover and the floor are fixed to the meter body by screws.

Preferably, the display screen is an LED display screen.

Preferably, the control buttons include a measurement button, a save button, a set button, a return button, and a plurality of adjustment buttons.

Preferably, two indicator lights are further arranged on the left upper portion of the upper end face of the measuring instrument body.

Preferably, the indicator lamp 5 includes a power indicator lamp and a battery status indicator lamp.

To sum up, the beneficial technical effects of the utility model are that:

1. the method can accurately measure the apparent dielectric constant, conductivity and other dielectric properties of the soil. The error of measuring the volume water content of the soil is less than +/-2 percent by a built-in formula.

2. Has small volume and is convenient to carry.

3. The arranged heat dissipation long hole is matched with the heat dissipation sheet to perform heat dissipation operation, and the heat dissipation effect is good.

4. The radiating fins and the bottom plate are coated with heat-conducting silica gel, so that the radiating effect is further improved.

5. The USB port supports data external connection.

6. The USB port, the BNC port, the DC socket interface and the battery power supply switch are all provided with dustproof plugs, so that dust falling is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the measuring instrument body of the present invention;

fig. 3 is a bottom view of the measuring device body of the present invention;

fig. 4 is an enlarged view of a side view of the measuring instrument body according to the present invention.

Reference numerals: 1. a meter body; 2. a sensor housing; 3. a needle body; 4. a display screen; 5. a warning light; 6. a switch button; 7. a control button; 8. a USB interface; 9. a BNC interface; 10. a DC outlet interface; 11. a battery powered switch; 12. a core board; 13. a battery; 14. a signal acquisition board; 15. a battery rear cover; 16. a base plate; 17. a heat dissipation long hole; 18. a rectangular groove; 19. a hand-held groove; 20. supporting legs; 21. a dust plug; 22. a coaxial cable; 23. a liquid crystal driving board; 24. a key driving board; 25. and a GPS module.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-4, the hand-held soil moisture meter includes a meter body 1 and a sensor.

Referring to fig. 1, the sensor includes a sensor housing 2, a coaxial cable 22, and a needle body 3. The meter body 1 and the sensor are connected by a coaxial cable 22.

The upper end face of the tester body 1 is provided with a display screen 4, a control area and a switch button 6, the display screen 4 is arranged at the left part of the upper end face of the tester body 1, and the display screen 4 is an LED display screen. The control area is arranged to the right of the display 4 and the switch buttons 6 are arranged below the control area, which comprises a plurality of control buttons 7. The control buttons 7 include a measurement button, a save button, a set button, a return button, and a plurality of adjustment buttons.

The left end and the right end of the upper end face of the tester body 1 are both provided with a hand-held groove 19.

The upper left portion of apparatus body 1 up end still is provided with two warning light 5, and warning light 5 includes power warning light and battery status warning light.

Referring to fig. 2 and 4, one side of the tester body 1 is provided with a USB interface 8, a BNC interface 9 and a DC socket interface 10, the other side of the tester body 1 is provided with a battery power switch 11, and the USB interface, the BNC interface and the power jack are all provided with dust plugs 21.

Referring to fig. 2, the tester body 1 is provided therein with a core board 12, a battery 13, a signal acquisition board 14, a liquid crystal drive board 23, a key drive board 24, a GPS module 25, and a power supply unit. The core board 12 is connected to the battery 13, the signal acquisition board 14, the liquid crystal driver board 23, the key driver board 24, the USB interface 8, the BNC interface 9, and the DC jack interface 10 through data lines (not shown), the battery 13 is connected to the core board 12, the battery power supply switch 11, and the signal acquisition board 14 is connected to the battery 13 and the core board 12 through data lines, respectively. The liquid crystal driving board 23 is connected to the display screen 4, and the key driving board 24 is connected to the control area. The inside of the tester body 1 is also provided with a radiating fin.

Referring to fig. 3, a battery rear cover 15 and a bottom plate 16 are provided at the bottom of the measurement device body 1, and the battery rear cover 15 and the floor plate are fixed to the measurement device body 1 by screws. A plurality of heat dissipation long holes 17 are formed in the middle of the bottom plate 16, and the heat dissipation long holes 17 correspond to and are attached to heat dissipation fins inside the tester body 1 one by one. The radiating fins and the bottom plate 16 are coated with heat-conducting silica gel corresponding to the radiating long holes 17.

Two rectangular grooves 18 are symmetrically arranged on the lower end surface of the measuring instrument body 1.

The tester also comprises a power adapter (not shown in the figure), and the power adapter is connected with the tester body 1 through a battery-powered switch 11.

Referring to fig. 3 and 4, the bottom of the measuring instrument body 1 is provided with a support leg 20.

The working principle and the beneficial effects of the embodiment are as follows:

when in use, the tester body 1 can be selected to be fixed or the tester body 1 can be held by hands. If the tester body 1 is fixed, the power adapter is connected to the tester body 1 through the battery-powered switch 11 to supply power to the tester body 1, and the tester body 1 is supported by the support legs 20. If the tester body 1 is held by hand, the battery 13 provides energy for the tester body 1, and the hand-held groove 19 and the rectangular groove 18 are convenient for workers to hold the tester body 1 by hand.

In operation, the switch button 6 is turned on, and the parameters are debugged through the control button 7, and the display screen 4 displays the relevant parameters. The USB port supports data external connection. The USB port, the BNC port and the DC socket interface 10 are externally connected with connecting wires according to requirements. When the USB port, the BNC port, the DC socket interface 10 and the battery power supply switch 11 are not required to be connected, the dust plugs 21 are arranged, and dust falling is avoided. The sensor is connected to the meter body 1 by a coaxial cable 22. The needle body 3 is inserted into the soil to start the work.

In the working process, the heat dissipation long holes 17 are matched with the heat dissipation fins to perform heat dissipation operation, and the heat dissipation fins and the heat conduction silica gel coated on the bottom plate 16 further improve the heat dissipation effect.

The tester body 1 can accurately measure the apparent dielectric constant, conductivity and other dielectric properties of soil. The built-in formula can lead the measurement error of the volume water content of the field soil to be lower than +/-2% under the condition of no need of calibration. Meanwhile, the soil is taken by matching with a field cutting ring, and the dry volume weight and the mass water content of the soil can be directly measured without manual drying.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. Hand-held type soil moisture apparatus, its characterized in that: the tester comprises a tester body (1) and a sensor, wherein a display screen (4), a control area and a switch button (6) are arranged on the upper end face of the tester body (1), the display screen (4) is arranged at the left part of the upper end face of the tester body (1), the control area is arranged on the right side of the display screen (4), the switch button (6) is arranged below the control area, the control area comprises a plurality of control buttons (7), a USB interface (8), a BNC interface (9) and a DC socket interface (10) are arranged on one side face of the tester body (1), a battery power supply switch (11) is arranged on the other side face of the tester body (1), a battery (13), a signal acquisition board (14), a liquid crystal drive board (23), a key drive board (24), a GPS module (25) and a power supply unit are arranged in the tester body (1), the core board (12) is respectively connected with the battery (13), the signal acquisition board (14), the liquid crystal (23), the key drive board (24), the USB interface (9), the GPS module (25) and the DC socket interface (10) and a core board (11) are respectively connected with a battery power supply line (13), the utility model discloses a signal acquisition board, including signal acquisition board (14), LCD drive plate (23), bottom plate (16), a plurality of heat dissipation slot holes (17) have been seted up at bottom plate (16) middle part, heat dissipation slot hole (17) and the inside fin one-to-one of apparatus body (1) laminate, both ends all are provided with hand recess (19) about the up end of apparatus body (1), the lower terminal surface symmetry of apparatus body (1) is provided with two rectangle recesses (18), the sensor includes sensor housing (2), coaxial cable (22) and needle body (3), apparatus body (1) is connected through coaxial cable (22) with the sensor respectively with battery (13) and core plate (12), liquid crystal drive plate (23) are connected with display screen (4), key drive plate (24) are connected with control area, the inside fin that still is provided with of apparatus body (1), the bottom of apparatus body (1) is provided with lid (15) and bottom plate (16) behind the battery, a plurality of heat dissipation slot holes (17) have been seted up at bottom plate (16) middle part, heat dissipation slot hole (17) and the inside fin one-to-on-for-one-on the measuring apparatus body (1).

2. The hand-held soil moisture meter of claim 1, wherein: the tester also comprises a power adapter, and the power adapter is connected with the tester body (1) through a battery power supply switch (11).

3. The hand-held soil moisture meter of claim 1, wherein: and heat-conducting silica gel is coated on the radiating fins and the bottom plate (16) corresponding to the radiating long holes (17).

4. The hand-held soil moisture meter of claim 1, wherein: the bottom of the determinator body (1) is provided with a supporting leg (20).

5. The hand-held soil moisture meter of claim 4, wherein: and the USB interface, the BNC interface and the power supply jack are all provided with dustproof plugs (21).

6. The hand-held soil moisture meter of claim 4, wherein: the battery rear cover (15) and the floor are fixedly connected to the tester body (1) through screws.

7. The hand-held soil moisture meter of claim 4, wherein: the display screen (4) is an LED display screen.

8. The hand-held soil moisture meter of claim 7, wherein: the control buttons (7) comprise a measuring button, a saving button, a setting button, a returning button and a plurality of adjusting buttons.

9. The hand-held soil moisture meter of claim 4, wherein: the left upper part of the upper end surface of the determinator body (1) is also provided with two prompt lamps (5).

10. The hand-held soil moisture meter of claim 9, wherein: the prompting lamp (5) comprises a power prompting lamp and a battery state prompting lamp.