Portable grain moisture detector

Abstract

The invention discloses a portable grain moisture detector, and relates to the technical field of grain quality inspection instruments, the portable grain moisture detector comprises a machine body, a rod body, a detection module, a power supply, a control panel and a plurality of dustproof nets; a cavity is formed in the rod body, and a plurality of ventilation windows communicated with the cavity are formed in the rod body; the detection module is arranged at the position, close to the ventilation window, in the cavity, the control panel is arranged on the outer side of the machine body, and the power source is arranged in the machine body. The power supply is electrically connected with the detection module and the control panel, and the control panel is in signal connection with the detection module and the power supply at the same time; and the dustproof nets cover the corresponding ventilation windows. According to the method, workers can conveniently and quickly detect the environment around the grains, so that the storage effect of the grains is judged based on the grain balance moisture, and the method has relatively high accuracy and reliability.

Description

Technical Field

[0001] The present application relates to the technical field of grain quality inspection instruments, and in particular to a portable grain moisture detector. Background Art

[0002] Currently, grains are generally stored in a warehousing manner. Usually, they are piled up on the flat ground in the warehouse in the form of grain piles. Different grains are stored in different grain piles in different areas, and a unified ventilation system is used to regulate the storage environment of the grains in the warehouse to better control the temperature and humidity environment of grain storage and ensure the storage effect of grains.

[0003] During the process of grain storage, the moisture content of grains is a very crucial parameter. If the moisture content of grains is too high, it will easily lead to mildew of grains. If the moisture content of grains is too low, it will affect the subsequent processing of grains. Therefore, special attention needs to be paid to the moisture content of grains during the process of grain storage.

[0004] Currently, usually, staff will regularly detect the moisture of grains in different grain piles, judge whether the storage environment of grains is appropriate based on the detection data, and then adjust the storage environment of grains accordingly according to the detection results to improve the storage effect of grains.

[0005] However, since the result of a single detection has poor representativeness for the grains at different positions in the grain pile, usually, it is necessary to take multiple samples of the grains in the grain pile for detection (such as drying method, capacitance method, resistance method, near-infrared spectroscopy method, etc.), which makes the detection process not only complicated in operation but also time-consuming. Summary of the Invention

[0006] The present application provides a portable grain moisture detector, which can facilitate the staff to quickly detect the environment around the grains, and thus judge the storage effect of grains based on the "equilibrium moisture content of grains" (that is, the moisture content of grains when the speed of water absorption and water loss of grains reaches equilibrium under certain temperature and humidity conditions), with high accuracy and reliability.

[0007] The present application provides a portable grain moisture detector, which adopts the following technical solutions: A portable grain moisture detector includes a body, a rod, a detection module, a power supply, a control panel, and a plurality of dust-proof nets; One end of the rod is fixedly connected to the body, the other end of the rod is an insertion end for inserting into the grain pile, and the insertion end is in a contracted shape in the direction away from the body; a cavity is provided inside the rod, and a plurality of air-permeable windows communicating with the cavity are provided at a position of the rod close to the insertion end; The detection module is arranged in the cavity near the ventilation window, the control panel is arranged outside the machine body, and the power supply is arranged inside the machine body; the power supply is electrically connected to both the detection module and the control panel, and the control panel is simultaneously connected to the detection module and the power supply signal, and is used to control the opening and closing of the detection module and the switching of the power supply; the control panel is used to display the detection data obtained by the detection module, and provide data of different types of grains for comparison; The plurality of dustproof nets correspond to the plurality of ventilation windows one by one, the dustproof nets are arranged on the rod body, and the dustproof nets cover the corresponding ventilation windows.

[0008] By adopting the above technical solution, after the staff inserts the insertion end of the rod body into the grain pile, they can start the detection module through the control panel to detect the humidity and temperature around the ventilation window, and judge the storage effect of the grain by comparing the data with the "grain balance moisture" of the corresponding type of grain, which can facilitate the staff to quickly detect the moisture of the environment around the grain, so as to facilitate the staff to quickly judge the storage effect of the grain pile; at the same time, the detection module can be effectively protected inside the rod body, and the dustproof net can also effectively reduce the probability of grain or dust particles entering the inside of the rod body, ensuring that the detection results of the detection module have high accuracy and reliability.

[0009] Optionally, a portion of the rod body close to the insertion end is detachable.

[0010] By adopting the above technical solution, it is convenient for the staff to clean the dustproof net and it is also convenient for the staff to inspect and repair the test module inside the pole body.

[0011] Optionally, a handle is also included; The handle is arranged on the outer side of the machine body, the control panel is located on the side of the machine body away from the rod body, and the position of the handle on the machine body is located between the control panel and the rod body.

[0012] By adopting the above technical solution, it is convenient for workers to hold the moisture detector and insert the rod into the grain pile to detect the environment around the grain, which makes the workers more labor-saving during the detection process and convenient for the workers to observe data changes on the control panel during the detection process; at the same time, it is convenient for the workers to maintain the position stability of the moisture detector during the detection process, thereby further improving the accuracy of the test results.

[0013] Optionally, it further comprises a plurality of cover plates corresponding to the plurality of ventilation windows one by one; The cover plate is movably connected to the rod body; when the cover plate moves towards the corresponding air vent window to the extreme position, the cover plate seals the air vent window; when the cover plate moves away from the corresponding air vent window to the extreme position, the cavity communicates with the outside through the air vent window.

[0014] By adopting the above technical solution, when the moisture detector is not in use, the cover plate can separate the space inside the rod body from the outside world, thereby further protecting the detection module and further extending the service life of the detection module.

[0015] Optionally, the cover plate is rotatably connected to the rod body, the rotation axis is perpendicular to the length direction of the rod body, and a control component for controlling the synchronous rotation of multiple cover plates is provided on the rod body; The control component includes an operating member, a linkage member and a driving member; The operating member is movably connected to the rod body and is located at a position of the rod body close to the handle; the driving member is movably connected to the rod body and is simultaneously connected to multiple cover plates; both ends of the linkage member are respectively connected to the operating member and the driving member, and the operating member drives the driving member to move through the linkage member.

[0016] By adopting the above technical solution, it is convenient for the staff to control the simultaneous rotation of multiple cover plates while holding the moisture detector, thereby further reducing the operation difficulty of the moisture detector.

[0017] Optionally, an elastic member is provided between the cover plate and the rod body; Both ends of the elastic member are respectively connected to the cover plate and the rod body, and have a tendency to drive the cover plate to rotate to seal the corresponding air vent window.

[0018] By adopting the above technical solution, when the moisture detector is not in use, the detection module inside it can be kept in a state of being protected by multiple cover plates, improving the stability of the protection of the detection module; at the same time, it is convenient for the staff to control the rotation of the cover plate more flexibly during the use of the moisture detector.

[0019] Optionally, the rotation connection position between the cover plate and the rod body is located on the side of the corresponding air vent window close to the insertion end.

[0020] By adopting the above technical solution, the probability that the cover plate rotates by mistake under force during the process of inserting the rod body into the grain pile, causing grains or dust particles to enter the air vent window through the gap between the cover plate and the rod body, can be effectively reduced.

[0021] Optionally, it further includes a lighting device; The light-emitting device is disposed at a position of the cavity close to the observation window, on one side of the detection module, and is used for emitting light to enable the staff to know the position of the detection module in the grain pile; The light-emitting device is electrically connected to the power supply, and is signal-connected to the control panel, and its switch is controlled by the control panel.

[0022] By adopting the above technical solution, after the rod body is inserted into the grain pile, the light emitted by the light-emitting device can facilitate the staff to judge the position of the detection module in the grain pile, so that the staff can conveniently perform moisture detection on different positions in the grain pile according to requirements.

[0023] Optionally, a lens is provided on one side of the cover plate close to the corresponding air-permeable window, and is used for reflecting the light emitted by the light-emitting device in the direction close to the machine body.

[0024] By adopting the above technical solution, when the rod body is inserted into the grain pile, the lens can reflect light, so as to further facilitate the staff to judge the position of the detection module in the grain pile; at the same time, when the rod body is not inserted into the grain pile, the staff can judge the permeability of the dust-proof net by observing the lens or the reflection of the light of the lens, so as to timely know the blockage condition of the dust-proof net and timely clean and replace the dust-proof net.

[0025] Optionally, the range of the light emitted by the light-emitting device covers a plurality of the air-permeable windows; when the cover plate rotates to the limit position in the direction away from the corresponding air-permeable window, the range of the light emitted by the light-emitting device also covers a plurality of the lenses.

[0026] By adopting the above technical solution, the reflection effect of the lens can be effectively guaranteed, so that as much light as possible can be reflected by the lens for the staff to observe, thereby further improving the effect of assisting the staff to judge the position of the detection module in the grain pile and the effect of assisting the staff to judge the use condition of the dust-proof net.

[0027] In summary, the present application includes at least one of the following beneficial effects: 1. It can facilitate the staff to quickly detect the environment around the grain, quickly judge the storage effect of the grain based on the "equilibrium moisture of grain", facilitate the subsequent storage of the grain in a more suitable environment, and effectively ensure the accuracy and reliability of the detection result; 2. It can facilitate the staff to hold the moisture detector to detect the environment at different positions in the grain pile, and further improve the accuracy of the detection result; 3. It can facilitate the staff to detect different types of grains and different positions in the grain pile according to requirements; 4. It can facilitate the staff to observe the usage of the dust-proof net, so as to facilitate the staff to clean and replace the dust-proof net in time, and ensure the protection effect it provides for the detection module. Description of the Drawings

[0028] Figure 1 is a schematic structural diagram of a portable grain moisture detector in Embodiment 1; Figure 2 is a sectional view of a portable grain moisture detector in Embodiment 1; Figure 3 is a partial sectional view of a portable grain moisture detector in Embodiment 1; Figure 4 is a schematic structural diagram of a portable grain moisture detector with the air vent window closed in Embodiment 2; Figure 5 is a schematic structural diagram of a portable grain moisture detector with the air vent window open in Embodiment 2; Figure 6 is a partial structural schematic diagram of a portable grain moisture detector with the air vent window closed in Embodiment 2; Figure 7 is a sectional view (omitting the handle) of a portable grain moisture detector with the air vent window open in Embodiment 2; Figure 8 is a partial sectional view of a portable grain moisture detector with the air vent window open in Embodiment 2.

[0029] Description of the reference numerals: 1, body; 11, handle; 2, rod body; 21, insertion end; 22, cavity; 23, air vent window; 3, detection module; 4, power supply; 5, control panel; 6, dust-proof net; 7, cover plate; 71, lens; 8, control component; 81, operating part; 811, extension part; 82, linkage part; 83, driving part; 9, light-emitting device; 10, elastic part. Detailed Description of the Embodiments

[0030] The following further elaborates on this application Figure 1-8 with reference to the attached drawings.

[0031] The embodiments of this application disclose a portable grain moisture detector, which facilitates the staff to conduct environmental detection (temperature, humidity) at different positions in the grain pile. Based on the "equilibrium moisture content of grain", the detected data is compared with the "equilibrium moisture content of grain" of the corresponding grain variety, so as to accurately judge the storage effect of the grain, facilitate the staff to adjust the grain storage environment in a timely manner subsequently, ensure the storage effect of the grain, and thus ensure the storage quality of the grain.

[0032] Embodiment 1: Refer to Figure 1 and Figure 2, The portable grain moisture detector includes a body 1, a rod 2, a detection module 3, a power supply 4, a control panel 5 and a plurality of dust-proof nets 6. Among them, the body 1 provides a holding position for the staff to hold the moisture detector; the rod 2 is used for inserting the moisture detector into the grain pile; the detection module 3 is used to detect the humidity and temperature of its surrounding environment; the power supply 4 is used to supply power to the detection module 3 and the control panel 5; the control panel 5 is used to facilitate the staff to control the detection module 3 and the power supply 4, and can provide the "grain equilibrium moisture" of different types of grains for the staff to compare data, so as to facilitate the staff to judge the storage effect of the grain according to the detection data; the dust-proof net 6 is used to prevent grains or dust particles from directly contacting the detection module 3, so as to effectively protect the detection module 3, improve the reliability of the detection module 3 during operation, and at the same time extend the service life of the detection module 3.

[0033] The body 1 is integrally in a cuboid structure, and the rod 2 is integrally in a cylindrical structure. One end of the rod 2 in the axial direction is fixedly connected to one end of the body 1 in the length direction, and the axial direction of the rod 2 is parallel to the length direction of the body 1.

[0034] The inside of the rod 2 has a cavity 22. The detection module 3 is fixedly installed inside the rod 2 and is located at a position in the cavity 22 far from the body 1, and can detect the temperature and humidity of its surrounding environment; the power supply 4 is fixedly installed inside the body 1, and the control panel 5 is fixedly installed on one side of the body 1 in the height direction; the power supply 4 is electrically connected to the detection module 3 and the control panel 5 through a circuit at the same time, and the circuit between the power supply 4 and the detection module 3 passes through the cavity 22; the control panel 5 is signal-connected to the detection module 3 and the power supply 4 at the same time, can control the switches of the detection module 3 and the power supply 4, and can receive and display the detection data obtained by the detection module 3. In this embodiment, preferably, the control panel 5 has a touch control function. The staff can not only read the detection data of the detection module 3 on the control panel 5, but also control it to display the "grain equilibrium moisture" data of different types of grains for comparison and analysis according to the needs; since the detection module 3, the power supply 4 and the control panel 5 with the above functions are all common existing technologies, they will not be elaborated here, and they are only briefly shown in the drawings, and the circuit and the fixed connection structure between the detection module 3 and the rod 2 are omitted from the expression.

[0035] One end of the rod 2 far from the body 1 has an insertion end 21 that facilitates the end of the rod 2 to be inserted into the grain pile, and the insertion end 21 contracts in a conical structure along the axis of the rod 2 in the direction away from the body 1 to reduce the disturbance of the grain when the rod 2 is inserted into the grain pile.

[0036] Refer to Figure 1 and Figure 3, a plurality of ventilation windows 23 are provided at a position on the rod body 2 close to the insertion end 21. The cavity 22 can communicate with the space outside the rod body 2 through the plurality of ventilation windows 23, and the plurality of ventilation windows 23 are circumferentially arranged on the rod body 2 with the axis of the rod body 2 as the axis. In this embodiment, preferably, a total of four ventilation windows 23 are provided on the rod body 2.

[0037] The detection module 3 is located in the cavity 22 close to the ventilation window 23, and can detect the temperature and humidity of the environment around the ventilation window 23 through the ventilation window 23, so as to facilitate the staff to detect the environment around the ventilation window 23 in the grain pile after inserting the rod body 2 into the grain pile.

[0038] A plurality of dust-proof nets 6 correspond to the plurality of ventilation windows 23 one by one. The dust-proof nets 6 are fixedly installed on the rod body 2 and cover the corresponding ventilation windows 23, and can effectively prevent grains or dust particles from entering the cavity 22 through the ventilation windows 23 and affecting the detection module 3. In this embodiment, correspondingly, preferably, a total of four dust-proof nets 6 are installed on the rod body 2.

[0039] Furthermore, for the convenience of the staff to repair, replace the detection module 3 and clean the dust-proof net 6, preferably, the part of the rod body 2 away from the machine body 1 is detachably connected to the main body part of the rod body 2, and the ventilation window 23 is provided on the detachably connected part of the rod body 2.

[0040] After the detachable part of the rod body 2 is separated from the main body of the rod body 2, at this time, it is convenient for the staff to clean the dust-proof net 6 on the detachable part of the rod body 2. At the same time, the detection module 3 will be exposed at the opening of the cavity 22, which is convenient for the staff to repair and replace the detection module 3. In this embodiment, preferably, the detachable part of the rod body 2 is detachably connected to the main body of the rod body 2 through thread fitting.

[0041] The implementation principle of a portable grain moisture detector in an embodiment of the present application is as follows: When it is necessary to judge the storage effect of grains, first operate the control panel 5 to turn on the power supply 4, and make the "grain equilibrium moisture" data of the corresponding type of grains be displayed on the control panel 5 for the staff to compare and analyze. Then, insert the rod body 2 into a suitable position in the grain pile by means of the insertion end 21 of the rod body 2. Next, operate the control panel 5 to control the detection module 3 to turn on. The detection module 3 can detect the environment of the area adjacent to it in the grain pile through the plurality of ventilation windows 23, and reflect the obtained temperature and humidity data on the control panel 5; After the staff compare and analyze the data, if the detection data of the detection module 3 is close to the "grain equilibrium moisture" data, it means that the grains have a good storage effect at this time; if the detection data of the detection module 3 is very different from the "grain equilibrium moisture" data, it means that the storage effect of the grains is poor at this time, and it is urgent for the staff to make corresponding adjustments to the grain storage environment; During the use of the portable grain moisture detector, the dust-proof net 6 can effectively prevent grains or dust particles from entering the cavity 22 through the air-permeable window 23, thus effectively preventing the detection module 3 from contacting the grains or dust particles, extending the service life of the detection module 3, and ensuring the reliability and stability of the detection module 3 for environmental detection.

[0042] Embodiment 2: Refer to Figure 4 and Figure 5 Based on Embodiment 1, corresponding improvements are made in this embodiment in terms of the operation difficulty and the working stability of the detection module 3, and the detachable design of the part of the rod body 2 near the insertion end 21 is cancelled.

[0043] One end of the rod body 2 far from the insertion end 21 is fixedly connected to one side of the machine body 1 in the height direction, and the axial direction of the rod body 2 is parallel to the height direction of the machine body 1; the control panel 5 is fixedly installed on the side of the machine body 1 facing away from the rod body 2, and a handle 11 for the staff to hold extends outward from one side of the machine body 1 in the length direction, and the position of the handle 11 on the machine body 1 is located between the control panel 5 and the rod body 2.

[0044] At this time, the staff can hold the handle 11 to control the rod body 2 to insert into the grain pile through the insertion end 21, and at the same time can operate the control panel 5 in front of them and read and compare the data on the control panel 5.

[0045] Refer to Figure 6 and Figure 7 To further improve the protection effect of the detection module 3 in the cavity 22, it is preferred that a plurality of covers 7 corresponding to the plurality of air-permeable windows 23 are installed on the rod body 2.

[0046] The cover 7 is integrally in an arc-shaped plate structure, one end of its length direction is rotatably connected to the rod body 2, its rotation axis is perpendicular to its own length direction and perpendicular to the axial direction of the rod body 2, and its rotatable connection position with the rod body 2 is located on the side of the corresponding air-permeable window 23 close to the insertion end 21. In this embodiment, correspondingly, it is preferred that a total of four covers 7 are installed on the rod body 2.

[0047] Refer to Figure 6 and Figure 8, there are limitations during the rotation of the cover plate 7 relative to the rod body 2. When the cover plate 7 rotates towards the corresponding ventilation window 23 and reaches the limit position, the cover plate 7 can completely cover the corresponding ventilation window 23, and the inner arc surface of the cover plate 7 can be in contact with and abutted against the outer surface of the rod body 2, further effectively preventing grains or dust particles from entering the cavity 22 through the corresponding ventilation window 23; when the cover plate 7 rotates away from the corresponding ventilation window 23 and reaches the limit position, the length direction of the cover plate 7 is inclined relative to the axis direction of the rod body 2, and the cover plate 7 is inclined outward relative to the rod body 2 in the direction away from the insertion end 21. At this time, the corresponding ventilation window 23 is in an open state, facilitating the detection device to detect the surrounding environment.

[0048] Further, to facilitate the staff to control the rotation of the cover plate 7 according to requirements, preferably, a control assembly 8 for controlling the synchronous rotation of the four cover plates 7 is further installed on the rod body 2.

[0049] The control assembly 8 includes an operating member 81, a linkage member 82, and a driving member 83.

[0050] The operating member 81 is sleeved and cooperated with the rod body 2. It is located at a position on the rod body 2 close to the machine body 1 and is movably connected to the rod body 2 along the axis direction of the rod body 2; an extension portion 811 for facilitating the staff to control the movement of the operating member 81 extends on the operating member 81 towards the position close to the handle 11. And when the staff holds the handle 11, the fingers of the same hand can control the movement of the operating member 81 on the rod body 2 through the extension portion 811. In this embodiment, preferably, the extension direction of the extension portion 811 is perpendicular to the movement direction of the operating member 81 relative to the rod body 2.

[0051] The driving member 83 is sleeved and cooperated with the rod body 2. It is located at a position on the rod body 2 close to the insertion end 21 and is on the side of the cover plate 7 close to the insertion end 21; the driving member 83 is movably connected to the rod body 2 along the axis direction of the rod body 2, and during the movement of the driving member 83 relative to the rod body 2, it can be in contact with and abutted against the four cover plates 7 at the same time.

[0052] There are limitations during the movement of the driving member 83 relative to the rod body 2. When the driving member 83 moves towards the insertion end 21 to the limit position and the cover plate 7 remains in contact with and abutted against the driving member 83, at this time, the cover plate 7 is in the position state when it rotates towards the corresponding ventilation window 23 to the limit position; when the driving member 83 moves away from the insertion end 21 to the limit position and the cover plate 7 remains in contact with and abutted against the driving member 83, at this time, the cover plate 7 is in the position state when it rotates away from the corresponding ventilation window 23 to the limit position.

[0053] Further, to facilitate the cover plate 7 to remain in contact with and abutted against the driving member 83, and at the same time facilitate the cover plate 7 to protect the monitoring module when the detection module 3 is not in use, preferably, an elastic member 10 is installed between the cover plate 7 and the rod body 2.

[0054] Both ends of the elastic member 10 are fixedly connected to the cover plate 7 and the rod body 2 respectively, and have a tendency to drive the corresponding cover plate 7 to rotate towards the corresponding air permeable window 23 to the limit position and remain there. In this embodiment, preferably, the elastic member 10 is a torsion spring; since the torsion spring is a common prior art, it will not be elaborated here, and only its installation position is shown in the drawings and its structure is omitted.

[0055] The linkage member 82 is installed inside the structure of the rod body 2 along the axial direction of the rod body 2, and both ends in its length direction are fixedly connected to the operating member 81 and the driving member 83 respectively, so that controlling the movement of the operating member 81 relative to the rod body 2 can drive the driving member 83 to move synchronously and in the same direction relative to the rod body 2.

[0056] At this time, when the staff holds the handle 11 and controls the operating member 81 to move towards the machine body 1, the four cover plates 7 can be driven to rotate synchronously towards the direction away from the corresponding air permeable window 23 to the limit position through the control assembly 8; after that, when the staff holds the handle 11 and releases the control of the operating member 81, the four cover plates 7 and the control assembly 8 can both complete the reset under the elastic reset tendency of the elastic member 10.

[0057] Refer to Figure 7 and Figure 8 , further, to facilitate the staff to determine the general position of the detection device in the grain pile outside the grain pile after the rod body 2 is inserted into the grain pile through the insertion end 21, so as to facilitate the staff to perform environmental detection on different positions in the grain pile according to needs, preferably, a lighting device 9 is also fixedly installed in the cavity 22 of the rod body 2.

[0058] The lighting device 9 is fixedly installed inside the rod body 2 and is located at a position in the cavity 22 that is directly communicated with the air permeable window 23. It is located on one side of the detection device and adjacent to the detection device; the lighting device 9 is powered by the power supply 4 and its switch is controlled by the control panel 5. After the lighting device 9 is turned on, it can emit light, and the light can pass through the four dust-proof nets 6 and be emitted through the four air permeable windows 23, and the range of the light emitted by the lighting device 9 can cover the four air permeable windows 23. In this embodiment, since the lighting device 9 with the above functions is a common prior art, it will not be elaborated here, and only a brief representation is made in the drawings, and the structure of the line between the lighting device 9 and the power supply 4 and the structure of the fixed connection between the lighting device 9 and the rod body 2 are both omitted.

[0059] At this time, when the rod body 2 is inserted into the grain pile and the lighting device 9 is turned on to emit light, the staff outside the grain pile can see the light emitted by the lighting device 9 through the gaps in the grain pile, and the position of the detection device in the grain pile can be generally judged by observing the lighting situation of the lighting device 9.

[0060] Further, to further facilitate the staff to determine the general position of the detection device in the grain pile outside the grain pile and at the same time facilitate the staff to judge the usage condition of the dust-proof net 6, it is preferred that a flat lens 71 is fixedly installed on one side of the inner arc surface of the cover plate 7, and the surface of the lens 71 facing away from the corresponding cover plate 7 is used to reflect light.

[0061] The lens 71 is integrally in a rectangular sheet structure, the length direction thereof is parallel to the length direction of the corresponding cover plate 7, and the width direction thereof is parallel to the rotation axis of the corresponding cover plate 7 and the rod body 2.

[0062] When the cover plate 7 rotates away from the corresponding ventilation window 23 to the limit position and the light-emitting device 9 is turned off, the staff can observe the dust-proof net 6 adjacent to the lens 71 by observing the lens 71 on the side of the machine body 1 away from the rod body 2, which is convenient for the staff to judge the usage condition of the dust-proof net 6 with the naked eye, and is convenient for the staff to clean it in time when the dust-proof net 6 is blocked by grains or dust particles.

[0063] When the cover plate 7 rotates away from the corresponding ventilation window 23 to the limit position and the light-emitting device 9 is turned on to emit light. If the rod body 2 is in the state of being inserted into the grain pile at this time, the light emitted by the light-emitting device 9 can be more easily observed by the staff performing the detection work after being reflected by the four lenses 71, so that the accuracy of the staff to judge the position of the detection device in the grain pile by observing the light-emitting condition of the light-emitting device 9 can be further improved; if the rod body 2 is in the state of not being inserted into the grain pile at this time, the light emitted by the light-emitting device 9 can also be more easily observed by the staff performing the detection work after being reflected by the four lenses 71, and the staff can judge whether there is a dust-proof net 6 blocked by grains or dust particles according to the situation of the light reflected by different lenses 71, and the intensity of the light reflected by the lens 71 adjacent to the dust-proof net 6 blocked by grains or dust particles will be significantly reduced.

[0064] The implementation principle of the portable grain moisture detector in the embodiment of the present application is as follows: When it is necessary to judge the storage effect of grains, first operate the control panel 5 to turn on the power supply 4, and make the "grain equilibrium moisture" data of the corresponding type of grains be displayed on the control panel 5 for the staff to compare and analyze. Then insert the rod body 2 into a suitable position in the grain pile by means of the insertion end 21 of the rod body 2. Then drive the plurality of cover plates 7 to rotate synchronously through the control component 8 so that the four ventilation windows 23 are all opened. At the same time, operate the control panel 5 to control the detection module 3 to be turned on. The detection module 3 can detect the environment of the area adjacent to it in the grain pile through the plurality of ventilation windows 23, and reflect the obtained temperature and humidity data on the control panel 5 for the staff to compare and analyze and judge. And the staff can generally determine the position of the detection module 3 in the grain pile by controlling the light-emitting device 9, which is convenient for the staff to adjust the position of the environment detection in the grain pile according to the needs. When the portable grain moisture detector is not in use and during the process of inserting the rod body 2 into the grain pile, the four cover plates 7 can further prevent grains or dust particles from entering the cavity 22 through the air permeable window 23. After the dust-proof net 6 is used for a certain period of time, it is prone to being blocked by grains or dust particles. The staff can directly observe the usage condition of the dust-proof net 6 in the state of holding the handle 11 through the reflection of the lens 71, or can judge the usage condition of the dust-proof net 6 according to the light emission situation of the lens 71 by means of the light-emitting device 9 emitting light, so as to facilitate the staff to clean the dust-proof net 6 in time to ensure the reliability and stability of the detection device for detecting the environment around it in the grain pile through the air permeable window 23.

[0065] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A portable grain moisture detector, characterized in that, It comprises a body (1), a rod body (2), a detection module (3), a power supply (4), a control panel (5) and a plurality of dustproof screens (6); One end of the rod body (2) is fixedly connected to the machine body (1), and the other end of the rod body (2) is an insertion end (21) for inserting into a grain pile, and the insertion end (21) is in a contracted shape in a direction away from the machine body (1); the rod body (2) has a cavity (22) inside, and a plurality of air permeable windows (23) communicating with the cavity (22) are provided at a position of the rod body (2) close to the insertion end (21); The detection module (3) is arranged in the cavity (22) at a position close to the ventilation window (23), the control panel (5) is arranged on the outside of the machine body (1), and the power supply (4) is arranged inside the machine body (1); the power supply (4) is electrically connected to both the detection module (3) and the control panel (5), and the control panel (5) is simultaneously connected to the detection module (3) and the power supply (4) by signals, and is used to control the opening and closing of the detection module (3) and the switching of the power supply (4); the control panel (5) is used to display the detection data obtained by the detection module (3) and to provide data of different types of grain for comparison; The plurality of dustproof nets (6) correspond one to one with the plurality of ventilation windows (23); the dustproof nets (6) are arranged on the rod body (2), and the dustproof nets (6) cover the corresponding ventilation windows (23).

2. The portable grain moisture detector according to claim 1, wherein The portion of the rod body (2) close to the insertion end (21) is detachable.

3. The portable grain moisture detector according to claim 1, characterized in that, Also includes a handle (11); The handle (11) is arranged on the outside of the machine body (1), the control panel (5) is located on a side of the machine body (1) away from the rod body (2), and the position of the handle (11) on the machine body (1) is between the control panel (5) and the rod body (2).

4. The portable grain moisture detector according to claim 3, characterized in that, It also includes a plurality of cover plates (7) corresponding one-to-one to the plurality of ventilation windows (23); The cover plate (7) is movably connected to the rod body (2); when the cover plate (7) moves toward the corresponding ventilation window (23) to an extreme position, the cover plate (7) covers the ventilation window (23); when the cover plate (7) moves toward the corresponding ventilation window (23) to an extreme position, the cavity (22) communicates with the outside through the ventilation window (23).

5. A portable grain moisture detector according to claim 4, characterized in that, The cover plate (7) is rotatably connected to the rod body (2), the rotation axis thereof is perpendicular to the length direction of the rod body (2), and a control component (8) for controlling the synchronous rotation of a plurality of the cover plates (7) is provided on the rod body (2); The control component (8) comprises an operating member (81), a linkage member (82) and a driving member (83); The operating member (81) is movably connected to the rod body (2) and is located at a position of the rod body (2) close to the handle (11); the driving member (83) is movably connected to the rod body (2) and is simultaneously connected to a plurality of the cover plates (7); two ends of the linkage member (82) are respectively connected to the operating member (81) and the driving member (83), and the operating member (81) drives the driving member (83) to move through the linkage member (82).

6. The portable grain moisture detector according to claim 5, characterized in that, An elastic member (10) is arranged between the cover plate (7) and the rod body (2); Two ends of the elastic member (10) are respectively connected to the cover plate (7) and the rod body (2), and have a tendency to drive the cover plate (7) to rotate to cover the corresponding air permeable window (23).

7. A portable grain moisture detector according to claim 5, characterized in that, The rotational connection position between the cover plate (7) and the rod body (2) is located on a side of the corresponding air permeable window (23) close to the insertion end (21).

8. A portable grain moisture detector according to claim 7, characterized in that, It further includes a lighting device (9); The lighting device (9) is arranged at a position of the cavity (22) close to the observation window, is located on one side of the detection module (3), and is used for emitting light so that the staff can know the position of the detection module (3) in the grain pile; The lighting device (9) is electrically connected to the power supply (4), is signal-connected to the control panel (5), and its switch is controlled by the control panel (5).

9. The portable grain moisture detector according to claim 8, characterized in that, A lens (71) is arranged on a side of the cover plate (7) close to the corresponding air permeable window (23) and is used for reflecting the light emitted by the lighting device (9) in a direction close to the machine body (1).

10. A portable grain moisture detector according to claim 9, characterized in that, The range of the light emitted by the lighting device (9) covers a plurality of the air permeable windows (23); when the cover plate (7) rotates to the extreme position in a direction away from the corresponding air permeable window (23), the range of the light emitted by the lighting device (9) also covers a plurality of the lenses (71).

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