CN112326922B - Portable detecting instrument suitable for soil pH value detects - Google Patents
Portable detecting instrument suitable for soil pH value detects Download PDFInfo
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- CN112326922B CN112326922B CN202010986254.0A CN202010986254A CN112326922B CN 112326922 B CN112326922 B CN 112326922B CN 202010986254 A CN202010986254 A CN 202010986254A CN 112326922 B CN112326922 B CN 112326922B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention provides a portable detection instrument suitable for soil pH value detection, relates to the technical field of soil detection devices, and solves the problem that workers are easy to prick or a detection head is easy to contact with a hard object to cause abrasion; the automatic cleaning of the soil on the detection head can not be realized automatically after the detection is finished, and the problem of organic combination of a scraping structure and a protection structure can not be realized through structural improvement. A portable detection instrument suitable for soil pH value detection comprises a detection device main body; a first damping block is installed on the detection device main body. Through the cooperation setting of charging plug and elastic expansion piece, because of the mutual joint in elastic expansion piece head end and joint groove, and elastic expansion piece has constituteed charging plug's locking structure to elastic expansion piece covers in the top position of the detection device main part jack that charges when charging plug takes out, thereby elastic expansion piece can realize charging plug's joint shutting on the one hand, and on the other hand still can realize charging plug's dustproof protection.
Description
Technical Field
The invention belongs to the technical field of soil detection devices, and particularly relates to a portable detection instrument suitable for soil pH value detection.
Background
The soil is a layer of loose substances on the earth surface, which comprises various granular mineral substances, organic substances, water, air, microorganisms and the like, and can grow plants, the soil is formed by weathering of rocks, the minerals, animals and plants, organic matters generated by decomposition of microorganism residues, soil organisms, water, air, oxidized humus and the like, a pH value detector is one of devices used in soil detection work, and the pH value of the soil has great influence on the growth of crops.
As in application No.: CN201921404368.9, the utility model discloses a pierce formula soil detection ware, including the diaphragm, the upper surface of diaphragm has inserted the inserted bar, the fixed cover in outer wall top of inserted bar has connect a screw thread section of thick bamboo, a screw thread section of thick bamboo and diaphragm clearance fit, the bottom of inserted bar is equipped with pierces formula tool bit subassembly, the outer wall of a screw thread section of thick bamboo is equipped with regulation and control mechanism, the top rigid coupling of inserted bar has the display. This pierce formula soil detection ware, through diaphragm, the riser, the footboard, the inserted bar, a screw thread section of thick bamboo, the knob, the handle and pierce the cooperation between the formula tool bit subassembly, use the handle to carry out the rotation to the knob, can make the formula tool bit subassembly of piercing, the inside that enters into stereoplasm soil that inserted bar and sensor are smooth, reduction operating personnel's that can be obvious physical demands makes soil detection efficiency obtain the guarantee, after soil detection accomplishes, the operating personnel that can be convenient for clears up the sensor, be convenient for use next time.
Soil ph detector similar to the above application still has the following disadvantages:
one is that the existing device has weak protection performance, cannot hide and protect the detection head when being placed or carried, is easy to prick workers or cause abrasion when the detection head is contacted with a hard object, and cannot protect the display screen; moreover, can not realize the automatic clearance of the overhead earth of detection in the automation after detecting, and can not realize scraping structure and protective structure's organic combination through structural improvement.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a portable detection instrument suitable for soil ph detection is provided, so as to achieve the purpose of having more practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a portable detection instrument suitable for soil pH value detection, aiming at solving the problems that the existing device has weaker protection performance, cannot hide and protect a detection head when being placed or carried, is easy to prick workers or cause abrasion when the detection head is contacted with a hard object, and cannot protect a display screen; moreover, can not realize the automatic clearance of the overhead earth of detection in the automation after detecting, and can not realize scraping structure and protective structure's the problem of organic combination through structural improvement.
The invention relates to a portable detection instrument suitable for soil pH value detection, which is realized by the following specific technical means:
a portable detection instrument suitable for soil pH value detection comprises a detection device main body; the detection device comprises a detection device body, a first damping block, a second damping block and a protection structure, wherein the detection device body is provided with the first damping block, the second damping block and the protection structure; the detection device main body is inserted with a charging plug and is also provided with an elastic telescopic piece; the detection device main body comprises detection rods, and two detection rods are mounted on the detection device main body; the protective structure comprises two cylindrical holes, and the two cylindrical holes are formed in the protective main body; the cylindrical hole is aligned with the detection rod, the inner diameter of the cylindrical hole is equal to the outer diameter of the detection rod, and the cylindrical hole forms an earth scraping structure of the detection rod; the protection structure comprises a stop block, the stop block is welded on the protection main body and is in contact with the bottom end face of the detection device main body, and the two detection rods are in a hidden state when the stop block is in contact with the bottom end face of the detection device main body.
Further, the detection device main body comprises a groove A and a groove B, the groove A is formed in the front end face of the detection device main body, and the groove B is formed in the rear end face of the detection device main body; the first damping block and the second damping block are respectively matched with the groove A and the groove B, and the groove A and the groove B respectively form an embedded fixing structure of the first damping block and the second damping block.
Furthermore, the detection device main body also comprises a clamping groove A, and two clamping grooves A are formed in the detection device main body; first snubber block includes the protruding A of joint, the butt fusion has two protruding A of joint on the first snubber block, and protruding A of joint and draw-in groove A phase-match to draw-in groove A and the protruding A of joint have constituteed the supplementary fixed knot structure of first snubber block jointly.
Further, the detection device main body further comprises bolt holes A, and four bolt holes A are formed in the detection device main body; first snubber block still includes fixed orifices A, four fixed orifices A have been seted up on the first snubber block, and fixed orifices A and bolt hole A align each other when protruding A of joint and draw-in groove A peg graft.
Further, the detection device main body further comprises a clamping groove B, and two clamping grooves B are formed in the detection device main body; the second snubber block includes the protruding B of joint, the last butt fusion of second snubber block has the protruding B of two joints, the protruding B of joint and draw-in groove B phase-match.
Further, the detection device main body further comprises bolt holes B, and four bolt holes B are formed in the detection device main body; the second snubber block still includes fixed orifices B, four fixed orifices B have been seted up on the second snubber block, and fixed orifices B and bolt hole B are adjusted well when protruding B of joint is pegged graft with draw-in groove B.
Further, the detection device main body further comprises sliding grooves, and two sliding grooves are formed in the detection device main body; the protective structure comprises a protective main body, two sliding rods and an elastic piece, wherein the two sliding rods are symmetrically welded on the protective main body and are connected in a sliding groove in a sliding mode; the elastic component is equipped with two altogether, and two elastic components place respectively in two sliding tray to two elastic components have constituteed the elasticity reset structure of slide bar and protection main part jointly.
Furthermore, the detection device main body also comprises a display screen, and the display screen is arranged on the detection device main body; the protective structure further comprises a baffle which is welded on the protective main body, and the baffle is aligned with the display screen when the stop block contacts with the bottom end face of the detection device main body.
Furthermore, the charging plug comprises a clamping groove, the charging plug is inserted in the detection device main body, and the clamping groove is formed in the charging plug; the mutual joint in elastic expansion piece head end and joint groove, and elastic expansion piece has constituteed charging plug's locking structure to elastic expansion piece covers in the top position of the detection device main part jack that charges when charging plug takes out.
Compared with the prior art, the invention has the following beneficial effects:
through protective structure's setting, on the one hand, can realize scraping off the automation of earth on the test bar, on the other hand can also realize the protection of test bar and display screen, specifically as follows: firstly, two cylindrical holes are arranged, and the two cylindrical holes are arranged on the protection main body; the cylindrical hole is aligned with the detection rod, the inner diameter of the cylindrical hole is equal to the outer diameter of the detection rod, and the cylindrical hole forms an earth scraping structure of the detection rod; and secondly, the baffle is welded on the protection main body, and the baffle is aligned with the display screen when the stop block contacts with the bottom end face of the detection device main body, so that the protection when the display screen is placed is realized.
Through the cooperation setting of charging plug and elastic expansion piece, because of the mutual joint in elastic expansion piece head end and joint groove, and elastic expansion piece has constituteed charging plug's locking structure to elastic expansion piece covers in the top position of the detection device main part jack that charges when charging plug takes out, thereby elastic expansion piece can realize charging plug's joint shutting on the one hand, and on the other hand still can realize charging plug's dustproof protection.
The mounting and fixing structure of the first damping block is improved, and firstly, the first damping block and the second damping block are respectively matched with the groove A and the groove B, and the groove A and the groove B respectively form an embedded fixing structure of the first damping block and the second damping block, so that the fixing stability of the first damping block and the second damping block can be improved, and the falling probability of the first damping block and the second damping block is reduced; secondly, two clamping protrusions A are welded on the first damping block in a welded mode, the clamping protrusions A are matched with the clamping grooves A, and the clamping grooves A and the clamping protrusions A jointly form an auxiliary fixing structure of the first damping block, so that the fixing firmness of the first damping block is improved; and thirdly, four fixing holes A are formed in the first damping block, and the fixing holes A are aligned with the bolt holes A when the clamping protrusion A is connected with the clamping groove A in a plugging mode, so that the convenience of the first damping block during bolt fixing is improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic view of the present invention in an axially disassembled configuration.
Fig. 3 is an enlarged schematic view of fig. 2 at a.
Fig. 4 is an enlarged schematic view of fig. 2B according to the present invention.
Fig. 5 is a schematic axial view of the invention in the other direction of fig. 2.
Fig. 6 is an enlarged view of the structure of fig. 5C according to the present invention.
Fig. 7 is a schematic diagram of the adjusted front view structure of the present invention.
Fig. 8 is an enlarged, axial view of the protective structure of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a detection device main body; 101. a groove A; 102. a clamping groove A; 103. a bolt hole A; 104. a groove B; 105. a clamping groove B; 106. a bolt hole B; 107. a sliding groove; 108. a detection lever; 109. a display screen; 2. a first damper block; 201. clamping the protrusion A; 202. a fixing hole A; 3. a second damper block; 301. clamping the bulge B; 302. a fixing hole B; 4. a protective structure; 401. a protective body; 40101. a cylindrical hole; 402. a slide bar; 403. an elastic member; 404. a stopper; 405. a baffle plate; 5. a charging plug; 501. a clamping groove; 6. an elastic expansion piece.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a portable detection instrument suitable for soil pH value detection, which comprises a detection device main body 1; the detection device comprises a detection device body 1, a first damping block 2, a second damping block 3 and a protection structure 4, wherein the detection device body 1 is provided with the first damping block, the second damping block 3 and the protection structure 4; a charging plug 5 is inserted into the detection device main body 1, and an elastic expansion piece 6 is further installed on the detection device main body 1; referring to fig. 2 and 8, the detecting device body 1 includes detecting rods 108, and two detecting rods 108 are mounted on the detecting device body 1; the protective structure 4 comprises two cylindrical holes 40101, and the two cylindrical holes 40101 are formed in the protective main body 401; the cylindrical hole 40101 is aligned with the detection rod 108, the inner diameter of the cylindrical hole 40101 is equal to the outer diameter of the detection rod 108, and the cylindrical hole 40101 forms a soil scraping structure of the detection rod 108; referring to fig. 2 and 7, the protection structure 4 includes a stopper 404, the stopper 404 is welded to the protection main body 401, and the stopper 404 is in surface contact with the bottom end of the detection device main body 1, and the two detection rods 108 are hidden when the stopper 404 is in surface contact with the bottom end of the detection device main body 1, thereby achieving shielding protection of the detection rods 108.
Referring to fig. 2, the detection device body 1 includes a groove a101 and a groove B104, the groove a101 is formed on the front end surface of the detection device body 1, and the groove B104 is formed on the rear end surface of the detection device body 1; first snubber block 2 and second snubber block 3 are assorted with recess A101 and recess B104 respectively, and recess A101 and recess B104 have constituteed the embedded fixed knot who first snubber block 2 and second snubber block 3 respectively and have constructed to can improve the fixed steadiness of first snubber block 2 and second snubber block 3, and then reduced first snubber block 2 and second snubber block 3 probability of droing.
Referring to fig. 2 and fig. 3, the detecting device body 1 further includes two card slots a102, and two card slots a102 are opened on the detecting device body 1; first snubber block 2 includes the protruding A201 of joint, and the butt fusion has two protruding A201 of joint on first snubber block 2, and the protruding A201 of joint and draw-in groove A102 phase-match to draw-in groove A102 and the protruding A201 of joint have formed the supplementary fixed knot structure of first snubber block 2 jointly, thereby have improved the fastness that first snubber block 2 is fixed.
Referring to fig. 5 and 6, the detection device body 1 further includes bolt holes a103, and four bolt holes a103 are opened on the detection device body 1; first snubber block 2 still includes fixed orifices A202, has seted up four fixed orifices A202 on first snubber block 2, and fixed orifices A202 and bolt hole A103 when protruding A201 of joint is pegged graft with draw-in groove A102 align each other to convenience when having improved the bolt fastening of first snubber block 2.
Referring to fig. 2 and 5, the detecting device body 1 further includes two card slots B105, and the detecting device body 1 is provided with two card slots B105; the second snubber block 3 includes protruding B301 of joint, and the last butt fusion of second snubber block 3 has two protruding B301 of joint, and protruding B301 of joint and draw-in groove B105 phase-match.
Referring to fig. 5 and 6, the detection device body 1 further includes bolt holes B106, and four bolt holes B106 are formed in the detection device body 1; the second damping block 3 further comprises a fixing hole B302, four fixing holes B302 are formed in the second damping block 3, and when the clamping protrusion B301 is inserted into the clamping groove B105, the fixing hole B302 is aligned with the bolt hole B106.
Referring to fig. 2, the detecting device body 1 further includes a sliding groove 107, and two sliding grooves 107 are formed on the detecting device body 1; the protective structure 4 comprises a protective main body 401, two sliding rods 402 and an elastic piece 403, wherein the two sliding rods 402 are symmetrically welded on the protective main body 401, and the two sliding rods 402 are both connected in the sliding groove 107 in a sliding manner; the number of the elastic members 403 is two, and the two elastic members 403 are respectively placed in the two sliding grooves 107, and the two elastic members 403 together form the elastic reset structure of the sliding rod 402 and the protection main body 401.
Referring to fig. 2 and 7, the detecting device body 1 further includes a display screen 109, and the detecting device body 1 is provided with the display screen 109; the protective structure 4 further comprises a baffle 405, the baffle 405 is welded on the protective main body 401, and when the stopper 404 is in contact with the bottom end face of the detection device main body 1, the baffle 405 is aligned with the display screen 109, so that the protection when the display screen 109 is placed is realized.
Referring to fig. 2, the charging plug 5 includes a clamping groove 501, the charging plug 5 is inserted into the detection device main body 1, and the clamping groove 501 is formed on the charging plug 5; the head end of the elastic expansion piece 6 is mutually clamped with the clamping groove 501, the elastic expansion piece 6 forms a locking structure of the charging plug 5, and the elastic expansion piece 6 covers the position above the charging jack of the detection device main body 1 when the charging plug 5 is taken out, so that the elastic expansion piece 6 can realize clamping locking of the charging plug 5 on one hand and can also realize dustproof protection of the charging jack on the other hand.
The specific use mode and function of the embodiment are as follows:
when the device is used, the protection main body 401 is manually shifted to enable the stop block 404 to be separated from the detection device main body 1 during detection, then the detection device main body 1 is pressed, at the moment, the detection rod 108 penetrates through the cylindrical hole 40101 to be pricked into soil for detection, when the detection rod 108 is pulled out of the soil, the protection main body 401 is reset under the pushing of the elastic piece 403, at the moment, the cylindrical hole 40101 can realize scraping of the detection rod 108, the stop block 404 is restored to the limiting state of the detection device main body 1 again after the protection main body 401 is reset, at the moment, the detection rod 108 is in a hidden state, so that the protection of the detection rod 108 is realized, and the baffle 405 covers the front side of the display screen 109 after the protection main body 401 is reset to realize the protection of the display screen 109;
when the charging plug 5 is connected, the head end of the elastic expansion piece 6 is mutually clamped with the clamping groove 501, the elastic expansion piece 6 forms a locking structure of the charging plug 5, and the elastic expansion piece 6 covers the position above the charging jack of the detection device main body 1 when the charging plug 5 is pulled out, so that the elastic expansion piece 6 can realize clamping locking of the charging plug 5 on one hand and can realize dust prevention protection of the charging jack on the other hand;
in the use process, firstly, the first damping block 2 and the second damping block 3 are respectively matched with the groove A101 and the groove B104, and the groove A101 and the groove B104 respectively form an embedded fixing structure of the first damping block 2 and the second damping block 3, so that the fixing stability of the first damping block 2 and the second damping block 3 can be improved, and the falling probability of the first damping block 2 and the second damping block 3 is reduced; secondly, two clamping protrusions A201 are welded on the first damping block 2, the clamping protrusions A201 are matched with the clamping grooves A102, and the clamping grooves A102 and the clamping protrusions A201 jointly form an auxiliary fixing structure of the first damping block 2, so that the fixing firmness of the first damping block 2 is improved; thirdly, because of having seted up four fixed orificess A202 on the first snubber block 2, and fixed orificess A202 aligns each other with bolt hole A103 when protruding A201 of joint is pegged graft with draw-in groove A102 to convenience when having improved the bolt fastening of first snubber block 2.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (2)
1. The utility model provides a portable detecting instrument suitable for soil pH valve detects which characterized in that: comprises a detection device body (1); the detection device comprises a detection device body (1), a first damping block (2), a second damping block (3) and a protection structure (4), wherein the detection device body (1) is provided with the first damping block, the second damping block and the protection structure; a charging plug (5) is inserted into the detection device main body (1), and an elastic telescopic piece (6) is further mounted on the detection device main body (1); the detection device main body (1) comprises detection rods (108), and the detection device main body (1) is provided with two detection rods (108); the protective structure (4) comprises two cylindrical holes (40101), and the two cylindrical holes (40101) are arranged on the protective main body (401); the cylindrical hole (40101) is aligned with the detection rod (108), the inner diameter of the cylindrical hole (40101) is equal to the outer diameter of the detection rod (108), and the cylindrical hole (40101) forms a soil scraping structure of the detection rod (108); the protection structure (4) comprises a stop block (404), the stop block (404) is welded on the protection main body (401), the stop block (404) is in contact with the bottom end face of the detection device main body (1), and when the stop block (404) is in contact with the bottom end face of the detection device main body (1), the two detection rods (108) are in a hidden state;
the detection device main body (1) comprises a groove A (101) and a groove B (104), the groove A (101) is formed in the front end face of the detection device main body (1), and the groove B (104) is formed in the rear end face of the detection device main body (1); the first damping block (2) and the second damping block (3) are respectively matched with the groove A (101) and the groove B (104), and the groove A (101) and the groove B (104) respectively form an embedded fixing structure of the first damping block (2) and the second damping block (3);
the detection device main body (1) further comprises a clamping groove A (102), and two clamping grooves A (102) are formed in the detection device main body (1); the first damping block (2) comprises a clamping protrusion A (201), the first damping block (2) is welded with the two clamping protrusions A (201), the clamping protrusion A (201) is matched with the clamping groove A (102), and the clamping groove A (102) and the clamping protrusion A (201) jointly form an auxiliary fixing structure of the first damping block (2);
the detection device main body (1) further comprises bolt holes A (103), and four bolt holes A (103) are formed in the detection device main body (1); the first damping block (2) further comprises fixing holes A (202), four fixing holes A (202) are formed in the first damping block (2), and the fixing holes A (202) are aligned with the bolt holes A (103) when the clamping protrusions A (201) are inserted into the clamping grooves A (102);
the detection device main body (1) further comprises a clamping groove B (105), and two clamping grooves B (105) are formed in the detection device main body (1); the second damping block (3) comprises a clamping protrusion B (301), the second damping block (3) is welded with the two clamping protrusions B (301), and the clamping protrusions B (301) are matched with the clamping grooves B (105);
the detection device main body (1) further comprises bolt holes B (106), and four bolt holes B (106) are formed in the detection device main body (1); the second damping block (3) further comprises fixing holes B (302), four fixing holes B (302) are formed in the second damping block (3), and when the clamping protrusion B (301) is in inserted connection with the clamping groove B (105), the fixing holes B (302) are aligned to the bolt holes B (106);
the detection device body (1) further comprises a sliding groove (107), and the detection device body (1) is provided with two sliding grooves (107); the protective structure (4) comprises a protective main body (401), two sliding rods (402) and an elastic piece (403), wherein the two sliding rods (402) are symmetrically welded on the protective main body (401), and the two sliding rods (402) are both connected in the sliding groove (107) in a sliding manner; the number of the elastic pieces (403) is two, the two elastic pieces (403) are respectively placed in the two sliding grooves (107), and the two elastic pieces (403) jointly form an elastic reset structure of the sliding rod (402) and the protection main body (401);
the charging plug (5) comprises a clamping groove (501), the charging plug (5) is inserted into the detection device main body (1), and the clamping groove (501) is formed in the charging plug (5); elastic expansion piece (6) head end and the mutual joint in joint groove (501), and elastic expansion piece (6) have constituteed the locking structure of charging plug (5) to elastic expansion piece (6) cover in the top position of the jack that charges of detection device main part (1) when charging plug (5) take out.
2. The portable detecting instrument for detecting the pH value of soil as claimed in claim 1, wherein: the detection device main body (1) further comprises a display screen (109), and the display screen (109) is installed on the detection device main body (1); the protective structure (4) further comprises a baffle (405), the baffle (405) is welded on the protective main body (401), and when the stop block (404) is in contact with the bottom end face of the detection device main body (1), the baffle (405) is aligned with the display screen (109).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010986254.0A CN112326922B (en) | 2020-09-18 | 2020-09-18 | Portable detecting instrument suitable for soil pH value detects |
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| CN202010986254.0A CN112326922B (en) | 2020-09-18 | 2020-09-18 | Portable detecting instrument suitable for soil pH value detects |
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| CN210982430U (en) * | 2019-08-05 | 2020-07-10 | 重庆市隆宇环境检测有限公司 | Soil detection instrument for environmental detection |
| CN210665592U (en) * | 2019-08-28 | 2020-06-02 | 中晟升博集团有限公司 | Piercing type soil detector |
| CN211014275U (en) * | 2019-09-29 | 2020-07-14 | 杭州华臻环保科技有限公司 | Portable soil detection device |
| CN210626479U (en) * | 2019-10-06 | 2020-05-26 | 东海县金测农业科技有限公司 | Portable wetland soil pH valve detection device |
| CN111272856A (en) * | 2020-04-03 | 2020-06-12 | 山东仁科测控技术有限公司 | Automatic continuous measuring device for soil pH value |
| CN111638086A (en) * | 2020-06-02 | 2020-09-08 | 临沂大学 | Soil sampling device suitable for field surveying and sampling |
| CN111637927A (en) * | 2020-06-04 | 2020-09-08 | 赵鑫 | Self-cleaning sensor and measuring bracket for measuring soil humidity and temperature |
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