阅读说明：本技术 一种农业土壤酸碱值高精度检测装置 (Agricultural soil pH value high accuracy detection device ) 是由 张金林 周秀峰 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种农业土壤酸碱值高精度检测装置,属于土壤酸碱值检测领域,包括分离筒,所述分离筒的上侧安装有加土管,所述分离筒的下侧安装有注入管,所述分离筒的后侧设有收集箱,且分离筒的后侧开设有矩形槽,所述矩形槽的下侧安装有固定分离板,所述固定分离板分别延伸至分离筒和收集箱的内部,所述分离筒的内部通过横轴转动安装有活动分离板,所述活动分离板与固定分离板相互交叉配合,所述横轴的一端延伸至分离筒的外侧且与分离电机的驱动端安装。本发明可分离土壤中的杂质,然后将土壤制成悬浊液,利用pH检测电极和pH检测计检测土壤的pH值,整个检测过程简单方便,缩短操作时间,通过工作效率,最后的检测结果更加精确。(The invention discloses a high-precision agricultural soil pH value detection device, which belongs to the field of soil pH value detection and comprises a separation cylinder, wherein a soil adding pipe is installed on the upper side of the separation cylinder, an injection pipe is installed on the lower side of the separation cylinder, a collection box is arranged on the rear side of the separation cylinder, a rectangular groove is formed in the rear side of the separation cylinder, a fixed separation plate is installed on the lower side of the rectangular groove and extends into the separation cylinder and the collection box respectively, a movable separation plate is installed in the separation cylinder in a rotating mode through a transverse shaft and is in crossed fit with the fixed separation plate, and one end of the transverse shaft extends to the outer side of the separation cylinder and is installed with a driving end of a separation motor. The invention can separate impurities in soil, then make the soil into suspension, utilize pH detection electrode and pH detector to detect the pH value of the soil, the whole detection process is simple and convenient, shorten the operation time, through the working efficiency, the final detection result is more accurate.)

1. A high-precision detection device for the pH value of agricultural soil comprises a separation cylinder (1) and is characterized in that, the soil adding pipe (2) is arranged on the upper side of the separating cylinder (1), the injection pipe (5) is arranged on the lower side of the separating cylinder (1), the collecting box (4) is arranged on the rear side of the separating cylinder (1), a rectangular groove is arranged on the rear side of the separating cylinder (1), a fixed separating plate (12) is arranged on the lower side of the rectangular groove, the fixed separation plate (12) extends to the interior of the separation cylinder (1) and the collection box (4) respectively, a movable separating plate (13) is rotatably arranged in the separating cylinder (1) through a transverse shaft (17), the movable separating plate (13) and the fixed separating plate (12) are mutually crossed and matched, one end of the transverse shaft (17) extends to the outer side of the separating cylinder (1) and is installed with the driving end of the separating motor (3);

the lower side of the injection pipe (5) is provided with a dissolving cup (6), one side of the dissolving cup (6) is installed with a detection pipe (7) through a connecting pipe (8), a pH detection electrode (9) is inserted into the detection pipe (7), and the dissolving cup is electrically connected with a pH detector (10) through a lead.

2. The agricultural soil pH value high-precision detection device according to claim 1, wherein the movable separation plate (13) comprises a first arc-shaped plate (18), one side of the first arc-shaped plate (18) is fixed with a transverse shaft (17), the other side of the first arc-shaped plate is provided with a plurality of first arc-shaped racks (19), the fixed separation plate (12) comprises a second arc-shaped plate (20), the second arc-shaped plate (20) is fixed in a rectangular groove of the separation cylinder (1), one side, close to the inside of the separation cylinder (1), of the second arc-shaped plate (20) is provided with a plurality of second arc-shaped racks (21), the first arc-shaped racks (19) and the second arc-shaped racks (21) are mutually crossed and staggered, and one side, far away from the separation cylinder (1), of the second arc-shaped plate (20) extends towards the inside of the collection box (4).

3. The agricultural soil pH value high-precision detection device according to claim 2, wherein a socket is formed in one side of the collection box (4) close to the second arc-shaped plate (20), baffle plates are mounted on two sides of the socket, and one side of each baffle plate, which is far away from the collection box (4), extends to two sides of the distance groove and is attached to the outer surface of the separation barrel (1).

4. The agricultural soil pH value high-precision detection device according to claim 1, characterized in that a support frame (24) is installed on the outer side of the bottom of the injection pipe (5), and a placement hole matched with the upper end of the pH detection electrode (9) is formed in one end of the support frame (24) far away from the injection pipe (5).

5. The agricultural soil pH value high-precision detection device according to claim 1, wherein a valve is mounted on the connecting pipe (8).

6. The agricultural soil pH value high-precision detection device according to claim 1, wherein a discharge pipe (25) is installed at the bottom end of the dissolving cup (6), a sealing bottom cover (26) is installed at the bottom end of the discharge pipe (25), and a sealing top cover (27) is installed at the top of the soil feeding pipe (2).

7. The agricultural soil pH value high-precision detection device according to any one of claims 1-6, wherein a vertical shaft (14) is rotatably mounted in the injection pipe (5), a helical blade (15) is wound on the upper portion of the vertical shaft (14), the lower portion of the vertical shaft (14) extends into the dissolution cup (6) and is provided with a plurality of mixing rods (16), a transmission case is mounted on the outer side of the bottom wall of the injection pipe (5), a motor (11) is mounted on the upper side of the transmission case, a driving end of the motor (11) extends into the transmission case and is provided with a transmission wheel (22), the middle portion of the vertical shaft (14) is also provided with the transmission wheel (22), and the two transmission wheels (22) are connected with each other through the transmission belt (23).

8. The agricultural soil pH value high-precision detection device according to claim 7, characterized in that a cross brace is installed on the inner wall of the bottom of the injection pipe (5), and the cross brace is rotatably installed with the middle part of the vertical shaft (14) through a bearing.

Technical Field

The invention relates to the technical field of soil pH value detection, in particular to a high-precision detection device for agricultural soil pH values.

Background

The pH of soil is also called "soil reaction". It is an acid-base reaction of a soil solution. It depends mainly on the concentration of hydrogen ions in the soil solution, expressed as pH value. The solution with the pH value equal to 7 is a neutral solution; the pH value is less than 7, and the acid reaction is performed; an alkaline reaction is indicated when the pH value is greater than 7.

The methods for measuring the pH of soil can be roughly divided into two major types, namely a potentiometric method and a colorimetric method.

The potential method has the advantages of accuracy, rapidness, convenience and the like. The basic principle is as follows: when the pH value of the soil suspension is measured by a pH meter, a potential difference is generated due to the difference of H + ion activity of the solution inside and outside the glass electrode.

Colorimetric methods can also be used to measure: a little soil (about soybean) is taken, crushed and placed in a magnetic white disk, a plurality of drops of soil mixing indicator are dropped until the soil is completely wet, and a little amount of residue is left. And vibrating the magnetic disc to enable the indicator to fully act with the soil, standing for 1 minute, and comparing with a standard color comparison card to obtain the pH value of the soil.

Through retrieval, the Chinese patent No. CN 208580033U discloses a soil pH detection device, which comprises a U-shaped bracket and a detection plate, wherein the detection plate is connected with two inner side walls of the U-shaped bracket in a rotary damping manner through rotating shafts arranged on two side surfaces of the detection plate, at least three pH test paper placing grooves which are arranged in a straight line are arranged on the surface of the detection plate, and each pH test paper placing groove can be used for placing pH test paper; the test paper detection device is characterized by further comprising a movable plate, wherein a color comparison card is detachably arranged on the surface of the movable plate, extension rods are arranged on the edges of the same side of the detection plate in an outward extending mode and connected with two extension rods, at least two cylindrical rods which are parallel to each other are arranged on the extension rods, a sliding ring is sleeved on each cylindrical rod, the movable plate is arranged on the cylindrical rods in a sliding fit mode through the sliding rings, and the sliding direction of the cylindrical rods is parallel to the direction in which the pH test paper placing grooves are linearly arranged.

In addition, chinese patent No. CN 111141712 a discloses a two-dimensional dynamic distribution detection device for pH value of soil. The device comprises a soil culture box, a digital single-lens reflex camera, an LED light source, a synchronous control switch and a computer terminal; wherein, a soil pH value sensing film is arranged at the bottom of the soil culture box; the digital single lens reflex is arranged right below the soil pH value sensing film in the soil culture box; the LED light source is arranged at a proper position at the oblique lower part of the soil culture box. The synchronous control switch is respectively connected with the digital single lens reflex, the LED light source and the computer terminal. And (3) acquiring a fluorescence intensity image of the pH value of the soil in real time by adopting a photographing imaging technology, and metering and detecting the pH value of the soil according to the acquired image.

The prior art adopts a colorimetric method and a potentiometric method respectively to detect the pH value of soil, but the prior art still has the following defects during operation: when soil is detected, impurities such as cobblestones, grass roots and the like are possibly mixed in the soil, so that the detection operation is inconvenient due to the existence of the impurities, and the accuracy of a detection result can be influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a high-precision detection device for the pH value of agricultural soil.

In order to achieve the purpose, the invention adopts the following technical scheme:

the agricultural soil pH value high-precision detection device comprises a separation cylinder, wherein a soil feeding pipe is installed on the upper side of the separation cylinder, an injection pipe is installed on the lower side of the separation cylinder, a collection box is arranged on the rear side of the separation cylinder, a rectangular groove is formed in the rear side of the separation cylinder, a fixed separation plate is installed on the lower side of the rectangular groove, the fixed separation plate extends into the separation cylinder and the collection box respectively, a movable separation plate is installed inside the separation cylinder in a rotating mode through a transverse shaft, the movable separation plate and the fixed separation plate are matched in an intersecting mode, and one end of the transverse shaft extends to the outer side of the separation cylinder and is installed with a driving end of a separation motor;

the device comprises a filling pipe, a detection pipe, a dissolution cup, a pH detection electrode and a pH detector, wherein the dissolution cup is arranged on the lower side of the filling pipe, one side of the dissolution cup is installed with the detection pipe through a connecting pipe, the pH detection electrode is inserted into the detection pipe, and the dissolution cup is electrically connected with the pH detector through a lead.

Further, the movable separating plate comprises a first arc-shaped plate, one side of the first arc-shaped plate is fixed with the cross shaft, a plurality of first arc-shaped racks are mounted on the other side of the first arc-shaped plate, the fixed separating plate comprises a second arc-shaped plate, the second arc-shaped plate is fixed in the rectangular groove of the separating cylinder, a plurality of second arc-shaped racks are mounted on one side, close to the inside of the separating cylinder, of the second arc-shaped plate, the first arc-shaped racks and the second arc-shaped racks are crossed and staggered, and one side, far away from the separating cylinder, of the second arc-shaped plate extends towards the inside of the collecting box.

Furthermore, a bearing opening is formed in one side, close to the second arc-shaped plate, of the collecting box, baffle plates are installed on two sides of the bearing opening, and one side, far away from the collecting box, of each baffle plate extends to two sides of the distance groove and is attached to the outer surface of the separating cylinder.

Furthermore, a support frame is installed on the outer side of the bottom of the injection pipe, and a placing hole matched with the upper end of the pH detection electrode is formed in one end, far away from the injection pipe, of the support frame.

Further, a valve is installed on the connecting pipe.

Another object of the invention is: the separated soil is conveniently discharged, and the soil is fully mixed and stirred to be mixed with water to form suspension, so that the invention provides the following technical scheme on the basis of the technical scheme:

furthermore, a discharge pipe is installed at the bottom end of the dissolving cup, a sealing bottom cover is installed at the bottom end of the discharge pipe, and a sealing top cover is installed at the top of the soil adding pipe.

Further, the vertical shaft is rotatably installed in the injection pipe, helical blades are installed on the upper portion of the vertical shaft in a winding mode, the lower portion of the vertical shaft extends into the dissolving cup and is provided with a plurality of mixing rods, a transmission box is installed on the outer side of the bottom wall of the injection pipe, a motor is installed on the upper side of the transmission box, the driving end of the motor extends into the transmission box and is provided with transmission wheels, the middle of the vertical shaft is also provided with transmission wheels, and the two transmission wheels are connected with each other through a transmission belt.

Furthermore, a cross brace is installed on the inner wall of the bottom of the injection pipe, and the cross brace is rotatably installed with the middle of the vertical shaft through a bearing.

Compared with the prior art, the invention has the beneficial effects that:

1. before detection, impurities such as cobblestones, grass roots and the like in soil can be separated, the soil with high purity can be obtained after separation, then suspension is prepared for the soil, the pH value of the soil is detected through a pH detection electrode and a pH detector, the detection process is simple and convenient, and the detection result is more accurate.

2. The invention can quickly mix the high-purity soil obtained after separation with water to form suspension, thereby facilitating the preparation of the soil suspension, simplifying the operation flow, shortening the operation time and improving the working efficiency.

In conclusion, the invention can separate impurities in soil, the separated soil can be quickly and conveniently prepared into turbid liquid, and the pH value of the soil can be detected by utilizing the pH detection electrode and the pH detector, so that the whole detection process is simple and convenient, the operation time is shortened, and the final detection result is more accurate through the working efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a front oblique view of a high-precision detection device for the pH value of agricultural soil according to the present invention;

FIG. 2 is a rear oblique view of the high-precision detection device for the pH value of agricultural soil according to the present invention;

FIG. 3 is an internal cross-sectional view of a high-precision detection device for pH of agricultural soil according to the present invention;

FIG. 4 is a partial cross-sectional view of the separating cartridge and collection tank of the present invention;

FIG. 5 is a schematic view of the structure of the movable separation plate according to the present invention;

FIG. 6 is a schematic view of the movable separation plate and the fixed separation plate crossing each other according to the present invention;

FIG. 7 is a schematic view of the rear side of the separation barrel and the stationary separator plate of the present invention;

fig. 8 is a schematic view showing the respective structures of the injection tube and the inside of the dissolving cup in fig. 3.

In the figure: 1 separating cylinder, 2 soil adding pipe, 3 separating motor, 4 collecting box, 5 filling pipe, 6 dissolving cup, 7 detecting pipe, 8 connecting pipe, 9pH detecting electrode, 10pH detecting meter, 11 motor, 12 fixed separating plate, 13 movable separating plate, 14 vertical shaft, 15 helical blade, 16 mixing rod, 17 horizontal shaft, 18 first arc-shaped plate, 19 first arc-shaped rack, 20 second arc-shaped plate, 21 second arc-shaped rack, 22 driving wheel, 23 driving belt, 24 supporting frame, 25 discharging pipe, 26 sealing bottom cover and 27 sealing top cover.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-7, a high-precision agricultural soil ph value detection device comprises a separation cylinder 1, wherein a soil feeding pipe 2 is installed on the upper side of the separation cylinder 1, an injection pipe 5 is installed on the lower side of the separation cylinder 1, a collection box 4 is arranged on the rear side of the separation cylinder 1, a rectangular groove is formed in the rear side of the separation cylinder 1, a fixed separation plate 12 is installed on the lower side of the rectangular groove, the fixed separation plate 12 extends into the separation cylinder 1 and the collection box 4 respectively, a movable separation plate 13 is rotatably installed in the separation cylinder 1 through a transverse shaft 17, the movable separation plate 13 and the fixed separation plate 12 are in cross fit with each other, and one end of the transverse shaft 17 extends to the outer side of the separation cylinder 1 and is installed with the driving end of a separation motor 3;

soil is added into the separation box 1 through the soil adding pipe 2, and the separation motor 3 drives the transverse shaft 17 and the movable separation plate 13 to rotate in the separation box 1.

The movable separating plate 13 comprises a first arc-shaped plate 18, one side of the first arc-shaped plate 18 is fixed with a cross shaft 17, a plurality of first arc-shaped racks 19 are mounted on the other side of the first arc-shaped plate 18, the fixed separating plate 12 comprises a second arc-shaped plate 20, the second arc-shaped plate 20 is fixed in a rectangular groove of the separating cylinder 1, one side, close to the inside of the separating cylinder 1, of the second arc-shaped plate 20 is provided with a plurality of second arc-shaped racks 21, the first arc-shaped racks 19 and the second arc-shaped racks 21 are mutually crossed and staggered, and one side, far away from the separating cylinder 1, of the second arc-shaped plate 20 extends towards the inside of the collecting box 4.

The collecting box 4 is close to one side of second arc 20 and has been seted up the bellmouth, and the baffle is installed to the both sides of bellmouth, and the baffle is kept away from one side of collecting box 4 and is extended to the both sides of apart from the groove and laminate each other with the surface of separating cylinder 1.

When activity separator plate 13 rotated, can stir the inside soil of separator box 1, when a plurality of first arc racks 19 of activity separator plate 13 and a plurality of second arc racks 21 intercrossed of fixed separator plate 12, can separate impurity such as stone and grass root in the soil, impurity can be discharged from the rectangular channel of separator box 1 rear side along second arc 20 to get into inside the collecting box 4 of collecting through the bellmouth on the collecting box 4 at last.

The movable separation plate 13 rotates, and the screened high-purity soil can be left in the separation box 1.

The lower side of the injection pipe 5 is provided with a dissolving cup 6, one side of the dissolving cup 6 is installed with a detection pipe 7 through a connecting pipe 8, and a valve is installed on the connecting pipe 8. A pH detection electrode 9 is inserted in the detection tube 7 and is electrically connected with a pH detector 10 through a lead.

A support frame 24 is arranged on the outer side of the bottom of the injection pipe 5, and a placing hole matched with the upper end of the pH detection electrode 9 is formed in one end, far away from the injection pipe 5, of the support frame 24.

The topmost mountable valve of filling tube 5, when this valve was opened, high-purity soil after the screening accessible filling tube 5 entered into and dissolved in cup 6, added water and made it mix in dissolving cup 6 and form the soil turbid liquid, opened the valve on the connecting pipe 8, turbid liquid accessible connecting pipe 8 entered into in the detecting tube 7, utilized the pH detecting electrode 9 of being connected with pH meter 10 electricity at this moment, can detect the pH value of turbid liquid, and the testing result is accurate.

The top of the soil adding pipe 2 is provided with a sealing top cover 27. After the soil is added, the soil is screwed with the adding pipe 2, so that the soil is prevented from spilling when the movable separating plate 13 rotates. The bottom end of the dissolving cup 6 is provided with a discharge pipe 25, the bottom end of the discharge pipe 25 is provided with a sealed bottom cover 26, and the soil sediment and the turbid liquid in the dissolving cup 6 can be cleaned out by opening the sealed bottom cover 26.

Example two

Referring to fig. 1-8, in the second embodiment, on the basis of the first embodiment, a vertical shaft 14 is rotatably mounted in an injection pipe 5, and a cross brace is mounted on the inner wall of the bottom of the injection pipe 5 and rotatably mounted with the middle part of the vertical shaft 14 through a bearing. Spiral blades 15 are wound on the upper portion of the vertical shaft 14, the lower portion of the vertical shaft 14 extends into the dissolving cup 6 and is provided with a plurality of mixing rods 16, a transmission box is installed on the outer side of the bottom wall of the injection pipe 5, a motor 11 is installed on the upper side of the transmission box, the driving end of the motor 11 extends into the transmission box and is provided with transmission wheels 22, the middle portion of the vertical shaft 14 is also provided with the transmission wheels 22, and the two transmission wheels 22 are connected with each other through a transmission belt 23.

When the motor 11 is driven, the vertical shaft 14 can be driven to rotate under the mutual matching of the driving wheel 22 and the driving belt 23, the helical blades 15 are utilized to control the gradual conveying of soil in the separation box 1 to the dissolving cup 6, and the soil and water in the dissolving cup 6 are rapidly and sufficiently mixed through the mixing rod 16, so that the soil suspension is rapidly prepared, and the preparation efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.