CN117990557B - Rapid detection device and detection method for soil water content - Google Patents
Rapid detection device and detection method for soil water content Download PDFInfo
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- CN117990557B CN117990557B CN202410401468.5A CN202410401468A CN117990557B CN 117990557 B CN117990557 B CN 117990557B CN 202410401468 A CN202410401468 A CN 202410401468A CN 117990557 B CN117990557 B CN 117990557B
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- 239000002689 soil Substances 0.000 title claims abstract description 103
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 188
- 238000001035 drying Methods 0.000 claims abstract description 184
- 230000033001 locomotion Effects 0.000 claims abstract description 72
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 238000005303 weighing Methods 0.000 claims abstract description 58
- 230000009471 action Effects 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a rapid detection device and a detection method for soil water content, wherein the rapid detection device for soil water content comprises: a base; the weighing device is arranged above the middle of the base; the drying box is placed on the weighing device and is attracted with the weighing device through the magnet; the air inlet fan is arranged on the drying box; the exhaust fan is arranged on the drying box; the first linear movement driving mechanism is connected with the base; the heating mechanism is connected with the first linear movement driving mechanism; the second linear movement driving mechanism is connected with the base; the main vibration mechanism is connected with the second linear movement driving mechanism. The invention also discloses a detection method of the rapid detection device for the soil water content, the soil can be fully contacted with hot air flow, the soil drying effect is good, the drying efficiency is high, the rapid detection of the soil water content is realized, the evaporation of the water content is complete, and the detection accuracy of the soil water content is high.
Description
Technical Field
The invention belongs to the technical field of soil moisture content detection, and particularly relates to a device and a method for rapidly detecting the soil moisture content.
Background
Soil moisture content is one of the key characterization parameters of soil properties, and the parameters play an important role in the fields of agriculture, hydrology, environment, weather and the like. Therefore, it is extremely important to accurately acquire the soil moisture content information in time. The soil water content is generally measured by adopting a drying weighing method, and the specific operation is as follows: firstly, weighing the soil to be detected once, continuously introducing hot air into the soil, carrying out water molecules in the soil out through the hot air, drying the soil, and weighing the dried soil twice, wherein the difference value of the two times is the water content value of the soil. However, as the soil is rich in moisture, the soil is easy to accumulate and adhere together, the contact area of the hot air flow and the soil is limited, so that the soil drying efficiency is low, the drying time is long, the detection time is prolonged, the moisture evaporation is incomplete, and the soil moisture content is inaccurate to solve the problems, and therefore, the invention provides a rapid detection device and a rapid detection method for the soil moisture content.
Disclosure of Invention
The invention provides a rapid detection device and a detection method for soil moisture content, which aim to solve the problems of low soil drying efficiency, long drying time, prolonged detection time, incomplete moisture evaporation and inaccurate soil moisture content detection caused by the existing drying weighing method.
The invention adopts the following specific technical scheme:
a rapid soil moisture content detection device, comprising:
A base;
the weighing device is arranged above the middle of the base;
The drying box is placed on the weighing device, the weighing device is used for weighing the weight of soil in the drying box, and the drying box is attracted with the weighing device through magnets;
the air inlet machine is arranged on the drying box and is used for blowing air into the drying box;
The exhaust fan is arranged on the drying box and is used for exhausting air to the outside of the drying box;
The first linear movement driving mechanism is connected with the base;
The heating mechanism is connected with the first linear movement driving mechanism, the first linear movement driving mechanism drives the heating mechanism to move, when the heating mechanism moves towards the direction of the drying box, the heating mechanism is attached to the bottom of the drying box to heat soil in the drying box, and when the heating mechanism moves away from the drying box, the heating mechanism is separated from the drying box;
The second linear movement driving mechanism is connected with the base;
The main vibration mechanism is connected with the second linear movement driving mechanism, the second linear movement driving mechanism drives the main vibration mechanism to move, when the main vibration mechanism moves towards the direction of the drying box, the main vibration mechanism is clamped with the drying box, the main vibration mechanism enables the drying box to vibrate, and when the main vibration mechanism moves away from the direction of the drying box, the main vibration mechanism is separated from the drying box.
Further, the heating mechanism comprises an annular platform, positioning blocks and heating wires, the first linear movement driving mechanism is connected with the annular platform, the annular platform is positioned below the drying box, a plurality of grooves and a plurality of positioning blocks are uniformly distributed on the annular platform along the circumference, the heating wires are arranged in each groove, and the positioning blocks and the grooves are arranged in a staggered mode; the bottom of stoving case be equipped with locating piece position relative and quantity the same constant head tank, first linear movement actuating mechanism drive annular platform rises, makes annular platform with the bottom of stoving case contacts, the heating wire is right the stoving case heats, just the locating piece inserts in the constant head tank.
Further, the first linear movement driving mechanism comprises a first motor, first driving rollers, a first driving belt and a first supporting frame, wherein the first supporting frame is connected with the base, the two first driving rollers are alternately arranged and rotatably installed on the first supporting frame, the first driving belt is connected with the two first driving rollers, the first motor is installed on the first supporting frame, an output shaft of the first motor is connected with one of the first driving rollers, and the annular platform is connected with the first driving belt.
Further, an ear plate is arranged on the annular platform, a first guide groove is arranged on the ear plate, a first guide rail matched with the first guide groove is arranged on the first support frame, the first guide groove is matched with the first guide rail, and the annular platform is connected with the first driving belt through the ear plate; the edge of the positioning block is provided with a guiding outer chamfer for guiding, and the notch of the positioning groove is provided with a guiding inner chamfer for guiding.
Further, the second linear movement driving mechanism comprises a second motor, a hollow driving roller, a second driving belt, a second supporting frame and a spiral spring, wherein the second supporting frame is connected with the base, the second motor is installed on the second supporting frame, the spiral spring is sleeved on an output shaft of the second motor, the inner end of the spiral spring is connected with an output shaft of the second motor, the hollow driving roller is sleeved on the spiral spring, the hollow driving roller is connected with the outer end of the spiral spring, the second driving roller is rotatably installed on the second supporting frame, and the second driving belt is connected with the second driving roller and the hollow driving roller;
The main vibration mechanism comprises a first electromagnet, an iron core, a vibration frame and clamping components, the vibration frame is connected with the second transmission belt, the first electromagnet is connected with the base or the second support frame, the iron core is connected with the second transmission belt, the iron core is positioned right above the first electromagnet and is alternately arranged with the first electromagnet, and a plurality of clamping components are uniformly distributed on the vibration frame along the circumference; the main vibration mechanism is positioned below the drying box;
When the second linear movement driving mechanism drives the main vibration mechanism to ascend until the clamping assembly is clamped with the drying box, the first electromagnet is electrified to attract the iron core to move downwards, the first electromagnet is powered off, and the iron core moves upwards under the action of the spiral spring; the second linear movement driving mechanism drives the main vibration mechanism to descend until the clamping component is separated from the drying box.
Further, the bottom of the drying box is provided with T-shaped grooves which are the same as the clamping assemblies in number and opposite in position, the clamping assemblies comprise a second electromagnet, buckles, double-threaded rods and guide seats, the buckles are of L-shaped structures consisting of short sides and long sides, the guide seats are connected with the vibration frame, the two buckles are arranged in parallel at intervals and are movably arranged on the guide seats through the long sides, and the short sides of the two buckles are arranged in opposite and separated mode; an inner chamfer is arranged on the short side of the buckle; the T-shaped groove consists of a rectangular groove and two inner grooves respectively positioned at two sides of the rectangular groove;
The double-threaded rod consists of a first threaded section, a cylindrical section and a second threaded section which are sequentially connected, and the threaded directions of the first threaded section and the second threaded section are opposite; the long edge of the first buckle is provided with a first internal threaded hole matched with the first threaded section, the long edge of the second buckle is provided with a second internal threaded hole matched with the second threaded section, the double-threaded rod is rotatably arranged on the guide seat through the cylindrical section, the first threaded section is in threaded fit with the first internal threaded hole, and the second threaded section is in threaded fit with the second internal threaded hole; the second electromagnet is connected with the guide seat, and the second electromagnet is opposite to the first buckling position and is arranged at intervals;
When the clamping assembly moves towards the direction of the drying box, the short sides of the two buckles are inserted into the rectangular groove, then the second electromagnet is electrified to attract the first buckle to move towards the direction of the second electromagnet, so that the two buckles move away from each other on the guide seat, the short sides of the two buckles are respectively inserted into the two inner grooves, the inner chamfers on the short sides are aligned with the groove edges of the inner grooves, and the clamping assembly clamps the drying box; when the clamping assembly moves in the direction away from the drying box, the second electromagnet is powered off, the two buckles move on the guide seat in opposite directions, and the two buckles are separated from the T-shaped groove.
Further, a second guide groove is formed in the vibration frame, a second guide rail matched with the second guide groove is arranged on the second support frame, and the second guide groove is matched with the second guide rail; the notch of the T-shaped groove is provided with a guiding inner chamfer for guiding.
Further, the drying box consists of a box body and a box cover covered on the box body, one side of the box cover, which is close to the box body, is in a conical structure, an airflow channel is extended on the box cover, the air inlet machine is arranged on the airflow channel and is positioned on the air inlet side of the air inlet machine, and an inlet filter screen is further arranged on the airflow channel;
The exhaust fan is arranged on the box cover through an exhaust pipe; one end of the exhaust pipe extends into the box cover, and the other end extends out of the box cover; an outlet filter screen is arranged at one end of the exhaust pipe, and the exhaust fan is arranged at the other end of the exhaust pipe; one end of the exhaust pipe is provided with a conical flow guide table, the conical flow guide table extends to the inner wall of the box cover, and air in the drying box is exhausted from the exhaust pipe.
Further, the rapid soil moisture content detection device also comprises an auxiliary vibration mechanism, wherein the auxiliary vibration mechanism comprises a third electromagnet, a mounting seat, a lifting ring and a guide post, the mounting seat is sleeved on the box cover and is connected with the box cover, and a handle is arranged on the mounting seat; the base is provided with a support column, and the mounting seat is detachably connected with the support column through a limiting pin; one end of the guide post is connected with the mounting seat, and the other end of the guide post is connected with the third electromagnet;
The lifting ring is sleeved on the exhaust pipe and connected with the exhaust pipe, a guide hole matched with the guide post is formed in the lifting ring, and the guide post penetrates through the guide hole; the third electromagnet is arranged above the lifting ring and is arranged alternately with the lifting ring, and the guide column is provided with a stop step below the lifting ring; the exhaust pipe is mounted in a moving fit with the box cover, and the exhaust pipe is sealed with the box cover through a sealing ring; the third electromagnet is electrified to attract the lifting ring and the exhaust pipe to ascend; and the third electromagnet is powered off, and the lifting ring and the exhaust pipe freely descend until the lifting ring contacts with the stop step.
The invention also provides a detection method of the rapid soil water content detection device, which comprises the following steps:
S1: placing soil to be detected in a drying box, weighing the weight of the soil to be detected by a weighing device, and sucking the drying box and the weighing device through a magnet;
s2: the air inlet machine is started to pump the outside air into the drying box, and the exhaust fan is started to exhaust the air in the drying box;
S3: the second linear movement driving mechanism drives the main vibration mechanism to ascend, so that the main vibration mechanism clamps the drying box, the drying box is lifted, the drying box is separated from the weighing device, the main vibration mechanism vibrates the drying box, and soil in the drying box is scattered;
S4: the second linear movement driving mechanism drives the main vibration mechanism to descend so that the main vibration mechanism is separated from the drying box, and the drying box and the weighing device are attracted through the magnet;
s5: the first linear movement driving mechanism drives the heating mechanism to ascend, so that the heating mechanism contacts with the bottom of the drying box, and the heating mechanism heats soil in the drying box;
s6: the first linear movement driving mechanism drives the heating mechanism to descend so that the heating mechanism is separated from the drying box;
s7: if the soil is not dried, repeating steps S3-S6 until the soil is dried, and weighing the weight of the dried soil by a weighing device.
The invention has the beneficial effects that: according to the invention, the soil is heated by the heating mechanism, and air convection is formed in the drying box by the air inlet fan and the exhaust fan, so that water vapor generated by heating the soil can be rapidly discharged to the drying box, the drying speed of the soil is improved, meanwhile, under the action of the main vibration mechanism, the soil is dispersed by vibration, so that the soil can be fully contacted with hot air flow, the soil drying effect is good, the drying efficiency is high, the rapid detection of the water content of the soil is realized, the water evaporation is complete, and the detection accuracy of the water content of the soil is high. The invention has the advantages of small and exquisite whole structure, convenient use and simple operation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of FIG. 1 rotated by a certain angle;
FIG. 3 is a cut-away view of FIG. 1;
Fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is a perspective view of the upper half of FIG. 1, cut away;
fig. 7 is a cross-sectional view of the case of the present invention.
The above reference numerals:
1. A base; 2. a drying box; 20. a case; 21. a case cover; 201. an air flow channel; 202. a T-shaped groove; 203. a positioning groove; 2020. rectangular grooves; 2021. an inner groove; 204. a cylinder; 3. a wind inlet machine; 4. an exhaust fan; 5. a first linear movement driving mechanism; 50. a first support frame; 51. a first motor; 52. a first belt; 53. a first driving roller; 6. a second linear movement driving mechanism; 60. a second support frame; 61. a second motor; 62. a hollow driving roller; 63. a second belt; 64. a second driving roller; 65. a coil spring; 7. an auxiliary vibration mechanism; 70. a mounting base; 71. a lifting ring; 72. a guide post; 73. a third electromagnet; 74. a limiting pin; 75. a handle; 76. a seal ring; 8. an exhaust pipe; 9. a heating mechanism; 90. an annular platform; 91. heating wires; 92. a positioning block; 901. ear plates; 10. a support column; 11. an outlet filter screen; 12. a conical diversion table; 13. a main vibration mechanism; 131. a first electromagnet; 132. an iron core; 133. a vibration frame; 134. a clamping assembly; 1340. a guide seat; 1341. a second electromagnet; 1342. a buckle; 1343. a double threaded rod; 1344. an inner chamfer; 1330. a through hole; 14. a weighing device; 15. a magnet; 16. and (5) an inlet filter screen.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present unless otherwise specified. It will also be understood that when an element is referred to as being "between" two elements, it can be the only one between the two elements or one or more intervening elements may also be present.
Where the terms "comprising," "having," and "including" are used herein, another component may also be added unless a specifically defined term is used, such as "consisting of only," "… …," etc. Unless mentioned to the contrary, singular terms may include plural and are not to be construed as being one in number.
It will be further understood that when interpreting an element, although not explicitly described, the element is intended to include the range of errors which should be within the acceptable limits of deviation from the particular values identified by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.
As shown in fig. 1 to 7, the device for rapidly detecting the moisture content of soil provided in this embodiment includes:
A base 1;
a weighing device 14, wherein the weighing device 14 is arranged above the middle of the base 1;
The drying box 2 is placed on the weighing device 14, the weighing device 14 is used for weighing the weight of soil in the drying box 2, and the drying box 2 and the weighing device 14 are attracted through the magnet 15; specifically, the magnet 15 may be fixed to the weighing device 14 or to the drying box 2;
the air inlet machine 3 is arranged on the drying box 2 and is used for blowing air into the drying box 2;
the exhaust fan 4 is arranged on the drying box 2 and is used for exhausting air to the outside of the drying box 2;
a first linear movement driving mechanism 5, wherein the first linear movement driving mechanism 5 is connected with the base 1;
A heating mechanism 9, wherein the heating mechanism 9 is connected with the first linear movement driving mechanism 5, the first linear movement driving mechanism 5 drives the heating mechanism 9 to move, when the heating mechanism 9 moves towards the direction of the drying box 2, the heating mechanism 9 is attached to the bottom of the drying box 2 to heat soil in the drying box 2, and when the heating mechanism 9 moves towards the direction away from the drying box 2, the heating mechanism 9 is separated from the drying box 2;
A second linear movement driving mechanism 6, wherein the second linear movement driving mechanism 6 is connected with the base 1;
The main vibration mechanism 13, the main vibration mechanism 13 is connected with the second linear movement driving mechanism 6, the second linear movement driving mechanism 6 drives the main vibration mechanism 13 to move, when the main vibration mechanism 13 moves towards the direction of the drying box 2, the main vibration mechanism 13 clamps the drying box 2, the main vibration mechanism 13 enables the drying box 2 to vibrate, and when the main vibration mechanism 13 moves towards the direction far away from the drying box 2, the main vibration mechanism 13 is separated from the drying box 2.
The detection method of the rapid detection device for the soil water content of the embodiment comprises the following steps:
s1: placing soil to be detected in a drying box 2, weighing the weight of the soil to be detected by a weighing device 14, and attracting the drying box 2 and the weighing device 14 through a magnet 15;
s2: the air inlet fan 3 is started to pump the outside air into the drying box 2, and the exhaust fan 4 is started to exhaust the air in the drying box 2;
S3: the second linear movement driving mechanism 6 drives the main vibration mechanism 13 to ascend, so that the main vibration mechanism 13 clamps the drying box 2, the drying box 2 is lifted, the drying box 2 is separated from the weighing device 14, the main vibration mechanism 13 vibrates the drying box 2, and soil in the drying box 2 is scattered;
S4: the second linear movement driving mechanism 6 drives the main vibration mechanism 13 to descend so that the main vibration mechanism 13 is separated from the drying box 2, and the drying box 2 and the weighing device 14 are attracted through the magnet 15;
S5: the first linear movement driving mechanism 5 drives the heating mechanism 9 to ascend, so that the heating mechanism 9 contacts with the bottom of the drying box 2, and the heating mechanism 9 heats soil in the drying box 2;
s6: the first linear movement driving mechanism 5 drives the heating mechanism 9 to descend so that the heating mechanism 9 is separated from the drying box 2;
S7: if the soil is not being dried, steps S3-S6 are repeated until the soil is being dried, and the weighing machine 14 weighs the dried soil. Specifically, the steps S3-S6 are repeated to repeatedly shake and heat the soil, so that the soil is sufficiently and thoroughly dried.
Of course, the detection method of the device of this embodiment may also be to heat the drying box 2 first and then circulate the drying box 2 by vibration, but the soil needs to be completely dried.
This embodiment heats soil through heating mechanism 9, and make stoving incasement 2 through air inlet fan 3 and exhaust fan 4 form the air convection, can be fast with the vapor discharge that soil heating produced to stoving case 2, improve the stoving speed of soil, simultaneously under main vibrating mechanism 13 effect, soil is shaken scattered for soil can fully contact with the hot air current, soil stoving is effectual, and drying efficiency is high moreover, thereby realized the short-term test of soil moisture content, and the evaporation of water is complete moreover, soil moisture content detection degree of accuracy is high. The weight of the soil to be detected is weighed by the weighing device 14, and then the weight of the dried soil is weighed, and the difference value between the two times of weighing is the water content value of the soil. Wherein, when the weighing device 14 weighs, the main vibration mechanism 13 and the heating mechanism 9 are not contacted with the drying box 2. The weighing machine 14 of the present embodiment is an existing conventional electronic weighing machine, which is an existing conventional product that can intuitively read weighing data, which is not described in detail.
In this embodiment, under the action of the magnet 15, the drying box 2 and the weighing device 14 are attracted together, so as to ensure that the drying box 2 cannot deviate when the weighing device 14 weighs. Meanwhile, before the main vibration mechanism 13 vibrates the drying box 2, under the action of the first linear movement driving mechanism 5, the drying box 2 is lifted firstly, so that the drying box 2 is separated from the weighing device 14, and the drying box 2 is in a suspension state, and the main vibration mechanism 13 vibrates the drying box 2 to vibrate and disperse soil in the drying box 2. In addition, before the main vibration mechanism 13 vibrates the drying box 2, the heating mechanism 9 is driven by the first linear movement driving mechanism 5 until the heating mechanism 9 is separated from the drying box 2, so that the heating mechanism 9 does not influence the vibration of the drying box 2.
In this embodiment, further preferably, the heating mechanism 9 includes an annular platform 90, a positioning block 92, and an electric heating wire 91, the first linear movement driving mechanism 5 is connected to the annular platform 90, the annular platform 90 is located below the drying box 2, a plurality of grooves and a plurality of positioning blocks 92 are uniformly distributed on the annular platform 90 along a circumference, the electric heating wire 91 is installed in each groove, and the positioning blocks 92 and the grooves are staggered; the bottom of stoving case 2 is equipped with locating piece 92 position is relative and the same constant head tank 203 of quantity, first linear motion actuating mechanism 5 drive annular platform 90 rises, makes annular platform 90 with the bottom of stoving case 2 contacts, heating wire 91 is right stoving case 2 heats, just locating piece 92 inserts in the constant head tank 203.
When the heating mechanism 9 of this embodiment works, the first linear movement driving mechanism 5 drives the annular platform 90 to rise, so that the annular platform 90 contacts with the bottom of the drying box 2, the heating wire 91 heats the drying box 2, and the positioning block 92 is inserted into the positioning groove 203. After heating for a certain time, the first linear movement driving mechanism 5 drives the annular platform 90 to descend, the positioning block 92 is separated from the positioning groove 203, the annular platform 90 returns to the initial position, a heating process is completed, and if reheating is needed, the process is repeated. The time for which the heating means 9 heats the drying box 2 once is not particularly limited, depending on the actual situation.
In this embodiment, the plurality of heating wires 91 are uniformly distributed along the circumference of the annular platform 90, so that the drying box 2 is uniformly heated under the action of the plurality of heating wires 91.
In this embodiment, under the action of the positioning block 92 and the positioning groove 203, the positioning function of the annular platform 90 and the drying box 2 is realized, and the annular platform 90 and the drying box 2 are ensured to be accurately positioned and assembled together.
In this embodiment, the edge of the positioning block 92 is preferably provided with a guiding outer chamfer for guiding, and the notch of the positioning groove 203 is provided with a guiding inner chamfer for guiding. Under the action of the guide outer chamfer and the guide inner chamfer, the guide function of inserting the positioning block 92 into the positioning groove 203 is realized, and the positioning block 92 is ensured to be accurately and rapidly inserted into the positioning groove 203.
In this embodiment, the first linear motion driving mechanism 5 preferably includes a first motor 51, a first driving roller 53, a first driving belt 52 and a first supporting frame 50, where the first supporting frame 50 is connected to the base 1, two first driving rollers 53 are alternately disposed and rotatably mounted on the first supporting frame 50, the first driving belt 52 is connected to two first driving rollers 53, the first motor 51 is mounted on the first supporting frame 50, and an output shaft of the first motor 51 is connected to one of the first driving rollers 53, and the annular platform 90 is connected to the first driving belt 52. When the first linear movement driving mechanism 5 works, the first motor 51 drives the first driving roller 53 to rotate, so that the first driving belt 52 is driven, and the first driving belt 52 drives the annular platform 90 to lift. The first driving rollers 53 are rotatably mounted on the first supporting frame 50 through first transmission shafts, and an output shaft of the first motor 51 is connected with one of the first driving rollers 53 through the first transmission shaft.
In this embodiment, preferably, the annular platform 90 is provided with an ear plate 901, the ear plate 901 is provided with a first guide groove, the first support frame 50 is provided with a first guide rail matched with the first guide groove, the first guide groove is matched with the first guide rail, and the annular platform 90 is connected with the first driving belt 52 through the ear plate 901. Under the action of the first guide groove and the first guide rail, the lifting guide function of the annular platform 90 is realized, and the movement precision of the annular platform 90 is ensured.
Further preferably, the second linear movement driving mechanism 6 includes a second motor 61, a hollow driving roller 62, a second driving roller 64, a second driving belt 63, a second supporting frame 60 and a spiral spring 65, the second supporting frame 60 is connected with the base 1, the second motor 61 is mounted on the second supporting frame 60, the spiral spring 65 is sleeved on an output shaft of the second motor 61, an inner end of the spiral spring 65 is connected with an output shaft of the second motor 61, the hollow driving roller 62 is sleeved on the spiral spring 65, the hollow driving roller 62 is connected with an outer end of the spiral spring 65, the second driving roller 64 is rotatably mounted on the second supporting frame 60, and the second driving belt 63 is connected with the second driving roller 64 and the hollow driving roller 62. Wherein the second driving roller 64 is rotatably mounted on the second supporting frame 60 through a second driving shaft.
The main vibration mechanism 13 includes a first electromagnet 131, an iron core 132, a vibration frame 133 and a clamping assembly 134, the vibration frame 133 is connected with the second driving belt 63, the first electromagnet 131 is connected with the base 1 or the second supporting frame 60, as shown in fig. 1 and 3, the first electromagnet 131 is connected with the base 1, the iron core 132 is connected with the second driving belt 63, and the iron core 132 is located right above the first electromagnet 131 and is alternately arranged with the first electromagnet 131, a plurality of clamping assemblies 134 are uniformly distributed on the vibration frame 133 along the circumference, as shown in fig. 6, the number of the clamping assemblies 134 is four, and the specific number is not limited; the main vibration mechanism 13 is located below the drying box 2.
The working procedures of the main vibration mechanism 13 and the second linear movement driving mechanism 6 of the present embodiment are as follows: the second linear movement driving mechanism 6 drives the main vibration mechanism 13 to rise, that is, when the main vibration mechanism 13 moves towards the direction of the drying box 2, as shown in fig. 3, the first motor 51 drives the hollow driving roller 62, the second driving roller 64 and the second driving belt 63 to rotate anticlockwise, the main vibration mechanism 13 rises until the clamping assembly 134 clamps the drying box 2, so that the main vibration mechanism 13 is connected with the drying box 2, as shown in fig. 3, the first linear movement driving mechanism 5 continues to drive the main vibration mechanism 13 to rise, so that the drying box 2 is lifted relative to the weighing device 14, the drying box 2 is separated from the weighing device 14, and the drying box 2 is in a suspension state, so that the weighing device 14 cannot interfere with vibration of the drying box 2. Referring to the direction shown in fig. 3, after the first electromagnet 131 is powered, the iron core 132 is attracted to move downwards, the iron core 132 moves downwards and pulls the second driving belt 63 to drive anticlockwise, the corresponding hollow driving roller 62 and the second driving roller 64 rotate anticlockwise, so as to drive the vibration frame 133 to move upwards, and the corresponding synchronous driving drying box 2 moves upwards, and the output shaft of the second motor 61 is flexibly connected with the hollow driving roller 62 through the coil spring 65, so that the hollow driving roller 62 rotates and drives the coil spring 65 to twist tightly to a certain extent, but does not drive the output shaft of the second motor 61 to rotate; when the first electromagnet 131 is powered down, the coil spring 65 releases reset, under the action of the coil spring 65, the hollow driving roller 62 is driven to rotate clockwise, so that the second driving roller 64 is driven to rotate clockwise, the second driving belt 63 is driven clockwise, the iron core 132 moves upwards to reset, the corresponding vibration frame 133 and the drying box 2 synchronously move downwards, and accordingly the first electromagnet 131 is powered down, up-and-down reciprocating motion of the vibration frame 133 and the drying box 2 is achieved, the drying box 2 vibrates up and down, soil in the drying box 2 is dispersed in a vibration mode, and one vibration process of the drying box 2 is completed. The time for the drying box 2 to complete one vibration process is not limited according to practical situations.
After the drying box 2 completes a vibration process, the first electromagnet 131 is in a power-off state, and the second motor 61 drives the hollow driving roller 62, the second driving roller 64 and the second driving belt 63 to rotate clockwise, so that the vibration frame 133 and the drying box 2 synchronously move downwards until the drying box 2 and the weighing device 14 are attracted by the magnet 15, and meanwhile, the clamping assembly 134 is separated from the drying box 2, and the first linear movement driving mechanism 5 continuously moves downwards, so that the vibration frame 133 returns to the initial position.
The output shaft of the second motor 61 is flexibly connected with the hollow driving roller 62 through the coil spring 65, so that the second driving belt 63 is pulled back and forth through the power-off of the first electromagnet 131 under the condition that the second motor 61 does not rotate.
In this embodiment, further preferably, the bottom of the drying box 2 is provided with T-shaped slots 202 that are the same as the number of the clamping assemblies 134 and are located opposite to each other, the clamping assemblies 134 include a second electromagnet 1341, a buckle 1342, a double threaded rod 1343, and a guide holder 1340, the buckle 1342 has an L-shaped structure composed of a short side and a long side, the guide holder 1340 is connected with the vibration frame 133, the two buckles 1342 are arranged in parallel and alternately, and are mounted on the guide holder 1340 by moving along the long side, specifically, guide slots matched with the guide holder 1340 are provided on the long side, and the short sides of the two buckles 1342 are arranged opposite to each other; an inner chamfer 1344 is arranged on the short side of the buckle 1342; the T-shaped groove 202 is composed of a rectangular groove 2020 and two inner grooves 2021 located on both sides of the rectangular groove 2020.
The double-threaded rod 1343 is composed of a first threaded section, a cylindrical section and a second threaded section which are sequentially connected, and the threaded directions of the first threaded section and the second threaded section are opposite; the long side of the first buckle 1342 is provided with a first internal threaded hole matched with the first threaded section, the long side of the second buckle 1342 is provided with a second internal threaded hole matched with the second threaded section, the double-threaded rod 1343 is rotatably installed on the guide seat 1340 through the cylindrical section, the first threaded section is in threaded fit with the first internal threaded hole, and the second threaded section is in threaded fit with the second internal threaded hole; the second electromagnet 1341 is connected to the guide holder 1340, and the second electromagnet 1341 is opposite to the first buckle 1342 and is disposed at intervals.
The clamping assembly 134 of this embodiment operates as follows: when the clamping assembly 134 moves towards the drying box 2, the short sides of the two buckles 1342 are inserted into the rectangular groove 2020, then the second electromagnet 1341 is electrified, the first buckle 1342 is attracted to move towards the second electromagnet 1341, as shown in fig. 4, the first buckle 1342 moves leftwards, under the action of the double threaded rod 1343, the first internal threaded hole and the second internal threaded hole, the two buckles 1342 move away from each other on the guide holder 1340, the short sides of the two buckles 1342 are respectively inserted into the two internal grooves 2021, and the internal chamfers 1344 on the short sides are aligned with the groove sides of the internal grooves 2021, so that the two buckles 1342 cannot deviate from the T-shaped groove 202, the clamping of the clamping assembly 134 and the drying box 2 is realized, and the second electromagnet 1341 is always in an electrified state in the clamping process of the clamping assembly 134 and the drying box 2.
When the drying box 2 completes one vibration, the first linear movement driving mechanism 5 drives the vibration frame 133 and the drying box 2 to synchronously move downwards until the drying box 2 and the weighing device 14 are attracted through the magnet 15, the drying box 2 stops moving downwards, the first linear movement driving mechanism 5 continues to drive the main vibration mechanism 13 to move downwards, the second electromagnet 1341 is in a power-off state, at the moment, under the action of the inner chamfer 1344, the first buckle 1342 is separated from the T-shaped groove 202, the first buckle 1342 moves towards a direction deviating from the second electromagnet 1341, as shown in fig. 4, namely, the first buckle 1342 moves rightwards, at the moment, under the action of the double threaded rod 1343, the first internal threaded hole and the second internal threaded hole, the two buckles 1342 are made to move towards each other on the guide seat 1340, so that the two buckles 1342 are separated from the T-shaped groove 202, namely, the clamping assembly 134 is separated from the drying box 2, and the first linear movement driving mechanism 5 continues to move downwards, so that the vibration frame 133 returns to an initial position.
In this embodiment, preferably, the vibration frame 133 is provided with a second guide groove, and the second support frame 60 is provided with a second guide rail matched with the second guide groove, and the second guide groove is matched with the second guide rail. Under the action of the second guide rail and the second guide groove, the guiding function of lifting of the vibration frame 133 is realized, and the moving precision of the vibration frame 133 is ensured.
In this embodiment, the notch of the T-shaped slot 202 is preferably provided with a guiding inner chamfer for guiding. With this guiding inner chamfer, a guiding action of the clasp 1342 inserted into the T-shaped groove 202 is performed.
The vibration frame 133 of the present embodiment is provided with through holes 1330 at positions opposite to the first and second internal screw holes, so as to avoid interference with the movement of the double threaded rod 1343.
In this embodiment, it is further preferable that the drying box 2 is composed of a box body 20 and a box cover 21 covered on the box body 20, a side of the box cover 21 close to the box body 20 is in a conical structure, an airflow channel 201 extends on the box cover 21, the air intake machine 3 is installed on the airflow channel 201 and is located on an air intake side of the air intake machine 3, and an inlet filter screen 16 is further installed on the airflow channel 201; the exhaust fan 4 is arranged on the box cover 21 through an exhaust pipe 8; one end of the exhaust pipe 8 extends into the box cover 21, and the other end extends out of the box cover 21; an outlet filter screen 11 is arranged at one end of the exhaust pipe 8, and the exhaust fan 4 is arranged at the other end of the exhaust pipe 8; one end of the exhaust pipe 8 is provided with a conical flow guiding table 12, the conical flow guiding table 12 extends to the inner wall of the box cover 21, and air in the drying box 2 is exhausted from the exhaust pipe 8.
Under the filtering action of the inlet filter screen 16, the filtering action of external impurities is achieved, and the external impurities are prevented from entering the drying box 2. Under the filtering action of the outlet filter screen 11, the filtering action of the soil is achieved, and the soil in the drying box 2 is prevented from being discharged to the outside. Meanwhile, under the action of the conical flow guiding table 12, the guiding function is realized, so that the internal water vapor quickly flows into the exhaust pipe 8 along the conical flow guiding table 12 and is discharged.
The drying box 2 of the embodiment adopts a mode of combining the box body 20 and the box cover 21, and soil is placed in the box body 20 by opening the box cover 21, so that the soil can be conveniently put in and taken out.
The cylinder 204 extends downwards below the box 20 in the embodiment, the magnet 15 adopts an annular structure, and the lower part of the cylinder 204 is inserted into the magnet 15; the annular platform 90 surrounds the cylinder 204, and the vibration frame 133 is provided with an annular structure matched with the cylinder 204, that is, the vibration frame 133 surrounds the cylinder 204 through the annular structure, so that the compact installation of the drying box 2, the heating mechanism 9 and the main vibration mechanism 13 is realized, and the structure is small.
Further preferably, the device for rapidly detecting the moisture content of soil further comprises an auxiliary vibration mechanism 7, wherein the auxiliary vibration mechanism 7 comprises a third electromagnet 73, a mounting seat 70, a lifting ring 71 and a guide post 72, the mounting seat 70 is sleeved on the case cover 21 and is connected with the case cover 21, and a handle 75 is arranged on the mounting seat 70; the base 1 is provided with a support column 10, and the mounting seat 70 is detachably connected with the support column 10 through a limiting pin 74; one end of the guide post 72 is connected to the mounting base 70, and the other end is connected to the third electromagnet 73; the lifting ring 71 is sleeved on the exhaust pipe 8 and connected with the exhaust pipe 8, the lifting ring 71 is provided with a guide hole matched with the guide post 72, and the guide post 72 passes through the guide hole; the third electromagnet 73 is located above the lifting ring 71 and is arranged at intervals with the lifting ring 71, and the guide post 72 is provided with a stop step below the lifting ring 71; the exhaust pipe 8 and the box cover 21 are mounted in a moving fit manner, the exhaust pipe 8 and the box cover 21 are sealed through the sealing ring 76, and the sealing between the exhaust pipe 8 and the box cover 21 is realized under the action of the sealing ring 76; the third electromagnet 73 is powered to attract the lifting ring 71 and the exhaust pipe 8 to ascend; the third electromagnet 73 is de-energized, and the lifting ring 71 and the exhaust pipe 8 freely descend until the lifting ring 71 contacts the stop step.
The embodiment plays a role in vibrating up and down of the outlet filter screen 11, the conical flow guide table 12 and the exhaust pipe 8 under the action of the auxiliary vibrating mechanism 7, and prevents soil from adhering to the outlet filter screen 11, the conical flow guide table 12 and the exhaust pipe 8. When the auxiliary vibration mechanism 7 works, the third electromagnet 73 is obtained, the lifting ring 71 is attracted to ascend, the lifting ring 71 is connected with the exhaust pipe 8, so that the exhaust pipe 8 is driven to ascend, the guide post 72 plays a guide role of lifting of the lifting ring 71, after that, the third electromagnet 73 is powered off, the lifting ring 71 and the exhaust pipe 8 freely descend until the lifting ring 71 contacts with a stop step, the lifting ring 71 and the exhaust pipe 8 stop descending, so that the third electromagnet 73 is powered off, the lifting ring 71 and the exhaust pipe 8 perform up-and-down reciprocating motion, the lifting ring 71 and the exhaust pipe 8 vibrate up and down, and the fact that soil cannot adhere to the outlet filter screen 11, the conical guide table 12 and the exhaust pipe 8 is guaranteed.
In this embodiment, the mounting base 70 is detachably connected to the support column 10 by the limiting pin 74. The stopper pin 74 is removed, and the handle 75 is held by hand to lift the mount 70, so that the mount 70 is lifted up to open the cover 21 because the mount 70 and the cover 21 are connected together. After the cover 21 is closed, the stopper pin 74 is attached to fix the mount 70 and the support column 10 together. Wherein the mounting seat 70 and the support column 10 are provided with pin holes for the stop pins 74 to pass through.
The present embodiment of course further includes a power source for supplying power to the heating wire 91, the first electromagnet 131, the second electromagnet 1341, the third electromagnet 73, etc., which is conventional in the art, and is not focused on in the present embodiment, so that it will not be described in detail.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a soil moisture content quick detection device which characterized in that includes:
a base (1);
The weighing device (14) is arranged above the middle of the base (1);
the drying box (2), the drying box (2) is placed on the weighing device (14), the weighing device (14) is used for weighing the weight of soil in the drying box (2), and the drying box (2) and the weighing device (14) are attracted through a magnet (15);
The air inlet machine (3) is arranged on the drying box (2) and is used for blowing air into the drying box (2);
the exhaust fan (4) is arranged on the drying box (2) and is used for exhausting air to the outside of the drying box (2);
the first linear movement driving mechanism (5), the first linear movement driving mechanism (5) is connected with the base (1);
The heating mechanism (9) is connected with the first linear movement driving mechanism (5), the first linear movement driving mechanism (5) drives the heating mechanism (9) to move, when the heating mechanism (9) moves towards the drying box (2), the heating mechanism (9) is attached to the bottom of the drying box (2) to heat soil in the drying box (2), and when the heating mechanism (9) moves away from the drying box (2), the heating mechanism (9) is separated from the drying box (2);
The second linear movement driving mechanism (6), the second linear movement driving mechanism (6) is connected with the base (1);
the main vibration mechanism (13), main vibration mechanism (13) with second rectilinear movement actuating mechanism (6) are connected, second rectilinear movement actuating mechanism (6) drive main vibration mechanism (13) remove, when main vibration mechanism (13) towards the direction of stoving case (2) removes, main vibration mechanism (13) with stoving case (2) centre gripping mutually, main vibration mechanism (13) make stoving case (2) produce vibrations, when main vibration mechanism (13) are kept away from the direction of stoving case (2) removes, main vibration mechanism (13) with stoving case (2) breaks away from mutually.
2. The rapid soil moisture content detection device according to claim 1, wherein the heating mechanism (9) comprises an annular platform (90), positioning blocks (92) and heating wires (91), the first linear movement driving mechanism (5) is connected with the annular platform (90), the annular platform (90) is located below the drying box (2), a plurality of grooves and a plurality of positioning blocks (92) are uniformly distributed on the annular platform (90) along the circumference, the heating wires (91) are installed in each groove, and the positioning blocks (92) and the grooves are arranged in a staggered manner; the bottom of stoving case (2) be equipped with locating piece (92) position relative and constant head tank (203) the quantity the same, first linear movement actuating mechanism (5) drive annular platform (90) rise, make annular platform (90) with the bottom of stoving case (2) contacts, heating wire (91) are right stoving case (2) heating, just locating piece (92) insert in constant head tank (203).
3. The rapid soil moisture content detection device according to claim 2, wherein the first linear movement driving mechanism (5) comprises a first motor (51), a first driving roller (53), a first driving belt (52) and a first supporting frame (50), the first supporting frame (50) is connected with the base (1), the two first driving rollers (53) are alternately arranged and rotatably mounted on the first supporting frame (50), the first driving belt (52) is connected with the two first driving rollers (53), the first motor (51) is mounted on the first supporting frame (50), an output shaft of the first motor (51) is connected with one of the first driving rollers (53), and the annular platform (90) is connected with the first driving belt (52).
4. A soil moisture content rapid detection device according to claim 3, wherein an ear plate (901) is arranged on the annular platform (90), a first guide groove is arranged on the ear plate (901), a first guide rail matched with the first guide groove is arranged on the first support frame (50), the first guide groove is matched with the first guide rail, and the annular platform (90) is connected with the first transmission belt (52) through the ear plate (901); the edge of the positioning block (92) is provided with a guiding outer chamfer for guiding, and the notch of the positioning groove (203) is provided with a guiding inner chamfer for guiding.
5. The rapid soil moisture content detection device according to claim 1, wherein the second linear movement driving mechanism (6) comprises a second motor (61), a hollow driving roller (62), a second driving roller (64), a second driving belt (63), a second supporting frame (60) and a spiral spring (65), the second supporting frame (60) is connected with the base (1), the second motor (61) is mounted on the second supporting frame (60), the spiral spring (65) is sleeved on an output shaft of the second motor (61), an inner end of the spiral spring (65) is connected with an output shaft of the second motor (61), the hollow driving roller (62) is sleeved on the spiral spring (65), the hollow driving roller (62) is connected with an outer end of the spiral spring (65), the second driving roller (64) is rotatably mounted on the second supporting frame (60), and the second driving belt (63) is connected with the second driving roller (64) and the hollow driving roller (62).
The main vibration mechanism (13) comprises a first electromagnet (131), an iron core (132), a vibration frame (133) and a clamping assembly (134), wherein the vibration frame (133) is connected with the second transmission belt (63), the first electromagnet (131) is connected with the base (1) or the second support frame (60), the iron core (132) is connected with the second transmission belt (63), and the iron core (132) is positioned right above the first electromagnet (131) and is alternately arranged with the first electromagnet (131), and a plurality of clamping assemblies (134) are uniformly distributed on the vibration frame (133) along the circumference; the main vibration mechanism (13) is positioned below the drying box (2);
when the second linear movement driving mechanism (6) drives the main vibrating mechanism (13) to ascend until the clamping assembly (134) is clamped with the drying box (2), the first electromagnet (131) is powered to attract the iron core (132) to move downwards, the first electromagnet (131) is powered off, and the iron core (132) moves upwards under the action of the spiral spring (65); the second linear movement driving mechanism (6) drives the main vibrating mechanism (13) to descend until the clamping component (134) is separated from the drying box (2).
6. The rapid soil moisture content detection device according to claim 5, wherein the bottom of the drying box (2) is provided with T-shaped grooves (202) which are the same in number and opposite in position to the clamping assemblies (134), the clamping assemblies (134) comprise second electromagnets (1341), buckles (1342), double threaded rods (1343) and guide bases (1340), the buckles (1342) are of an L-shaped structure consisting of short sides and long sides, the guide bases (1340) are connected with the vibration frame (133), the two buckles (1342) are arranged in parallel at intervals and are mounted on the guide bases (1340) in a moving manner through the long sides, and the short sides of the two buckles (1342) are arranged in a back-to-back manner; an inner chamfer (1344) is arranged on the short side of the buckle (1342); the T-shaped groove (202) consists of a rectangular groove (2020) and two inner grooves (2021) respectively positioned at two sides of the rectangular groove (2020);
The double-threaded rod (1343) consists of a first threaded section, a cylindrical section and a second threaded section which are sequentially connected, and the threaded directions of the first threaded section and the second threaded section are opposite; a first internal threaded hole matched with the first threaded section is formed in the long side of the first buckle (1342), a second internal threaded hole matched with the second threaded section is formed in the long side of the second buckle (1342), the double-threaded rod (1343) is rotatably installed on the guide seat (1340) through the cylindrical section, the first threaded section is in threaded fit with the first internal threaded hole, and the second threaded section is in threaded fit with the second internal threaded hole; the second electromagnet (1341) is connected with the guide seat (1340), and the second electromagnet (1341) is opposite to the first buckle (1342) in position and is arranged at intervals;
when the clamping assembly (134) moves towards the drying box (2), short sides of the two buckles (1342) are inserted into the rectangular groove (2020), the second electromagnet (1341) is electrified, the first buckle (1342) is attracted to move towards the second electromagnet (1341), the two buckles (1342) are moved away from each other on the guide seat (1340), the short sides of the two buckles (1342) are respectively inserted into the two inner grooves (2021), inner chamfers (1344) on the short sides are aligned with the groove sides of the inner grooves (2021), and the clamping assembly (134) and the drying box (2) are clamped; when the clamping assembly (134) moves in a direction away from the drying box (2), the second electromagnet (1341) is powered off, the two buckles (1342) move on the guide base (1340) in opposite directions, and the two buckles (1342) are separated from the T-shaped groove (202).
7. The rapid soil moisture content detection device according to claim 6, wherein a second guide groove is formed in the vibration frame (133), a second guide rail matched with the second guide groove is formed in the second support frame (60), and the second guide groove is matched with the second guide rail; the notch of the T-shaped groove (202) is provided with a guiding inner chamfer for guiding.
8. The rapid soil moisture content detection device according to claim 1, wherein the drying box (2) is composed of a box body (20) and a box cover (21) covered on the box body (20), one side of the box cover (21) close to the box body (20) is in a conical structure, an air flow channel (201) extends on the box cover (21), the air inlet machine (3) is arranged on the air flow channel (201) and is positioned on an air inlet side of the air inlet machine (3), and an inlet filter screen (16) is further arranged on the air flow channel (201);
The exhaust fan (4) is arranged on the box cover (21) through an exhaust pipe (8); one end of the exhaust pipe (8) extends into the box cover (21), and the other end extends out of the box cover (21); an outlet filter screen (11) is arranged at one end of the exhaust pipe (8), and the exhaust fan (4) is arranged at the other end of the exhaust pipe (8); one end of the exhaust pipe (8) is provided with a conical flow guide table (12), the conical flow guide table (12) extends towards the inner wall of the box cover (21), and air in the drying box (2) is exhausted from the exhaust pipe (8).
9. The rapid soil moisture content detection device according to claim 8, further comprising an auxiliary vibration mechanism (7), wherein the auxiliary vibration mechanism (7) comprises a third electromagnet (73), a mounting seat (70), a lifting ring (71) and a guide post (72), the mounting seat (70) is sleeved on the case cover (21) and is connected with the case cover (21), and a handle (75) is arranged on the mounting seat (70); the base (1) is provided with a support column (10), and the mounting seat (70) is detachably connected with the support column (10) through a limiting pin (74); one end of the guide post (72) is connected with the mounting seat (70), and the other end of the guide post is connected with the third electromagnet (73);
The lifting ring (71) is sleeved on the exhaust pipe (8) and is connected with the exhaust pipe (8), a guide hole matched with the guide post (72) is formed in the lifting ring (71), and the guide post (72) penetrates through the guide hole; the third electromagnet (73) is arranged above the lifting ring (71) and is arranged at intervals with the lifting ring (71), and the guide column (72) is provided with a stop step below the lifting ring (71); the exhaust pipe (8) and the box cover (21) are mounted in a moving fit manner, and the exhaust pipe (8) and the box cover (21) are sealed through a sealing ring (76); the third electromagnet (73) is electrified to attract the lifting ring (71) and the exhaust pipe (8) to ascend; the third electromagnet (73) is powered off, and the lifting ring (71) and the exhaust pipe (8) freely descend until the lifting ring (71) is in contact with the stop step.
10. A detection method of a soil moisture content rapid detection device according to any one of claims 1 to 9, comprising the steps of:
S1: placing soil to be detected in a drying box (2), weighing the weight of the soil to be detected by a weighing device (14), and sucking the drying box (2) and the weighing device (14) through a magnet (15);
S2: the air inlet fan (3) is started to pump the external air into the drying box (2), and the exhaust fan (4) is started to exhaust the air in the drying box (2);
s3: the second linear movement driving mechanism (6) drives the main vibration mechanism (13) to ascend, so that the main vibration mechanism (13) is clamped with the drying box (2), the drying box (2) is lifted, the drying box (2) is separated from the weighing device (14), the main vibration mechanism (13) vibrates the drying box (2), and soil in the drying box (2) is scattered;
S4: the second linear movement driving mechanism (6) drives the main vibration mechanism (13) to descend, so that the main vibration mechanism (13) is separated from the drying box (2), and the drying box (2) and the weighing device (14) are attracted through the magnet (15);
s5: the first linear movement driving mechanism (5) drives the heating mechanism (9) to ascend, so that the heating mechanism (9) is in contact with the bottom of the drying box (2), and the heating mechanism (9) heats soil in the drying box (2);
s6: the first linear movement driving mechanism (5) drives the heating mechanism (9) to descend so that the heating mechanism (9) is separated from the drying box (2);
s7: if the soil is not being dried, steps S3-S6 are repeated until the soil is being dried, and the weight of the dried soil is weighed by the weighing device (14).
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| CN112051382A (en) * | 2020-08-27 | 2020-12-08 | 江苏博微检测技术有限公司 | Fixing structure and testing device for soil mercury content detection chip |
| WO2022099778A1 (en) * | 2020-11-12 | 2022-05-19 | 俞新灿 | Printing, dyeing and drying device for textile processing |
| CN113009110A (en) * | 2021-02-25 | 2021-06-22 | 马边青山莲农业科技开发有限公司 | Multifunctional rapid detection device for soil detection |
| CN113310764A (en) * | 2021-06-02 | 2021-08-27 | 西华师范大学 | Device for measuring content of elements based on soil interior |
| CN114112618A (en) * | 2021-11-22 | 2022-03-01 | 钱玉梅 | Device and method for detecting dispersion rate of soybean protein isolate product |
| CN116973264A (en) * | 2023-07-06 | 2023-10-31 | 桐乡恒益纸塑有限公司 | Device and method for testing water content of chemical fiber paper tube |
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