Grain dryer moisture monitoring device

By designing a detection rod system for the drive and scraping components on the outside of the grain dryer, the effects of high temperature and humidity on the monitoring device were resolved, thereby improving the durability of the detection rod and the monitoring accuracy.

CN223954601UActive Publication Date: 2026-02-27ZHENGZHOU ZHIMING GRAIN ENG TECH CO LTD
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Patent Information

Application Number
CN202520367882.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-27
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing moisture monitoring devices for grain dryers are prone to damage in high-temperature environments, and moisture and grain fragments easily adhere to the outside of the probe, affecting monitoring accuracy.

Method used

A detection rod system for moisture monitoring on the outside of a dryer was designed, including a drive assembly, wires, a detection rod, a return spring, and a scraping assembly. The detection rod is driven by a motor to move on the outside and scrape off the adhering debris, avoiding the effects of high temperature and humidity.

Benefits of technology

It extends the service life of the probe, improves monitoring accuracy, and avoids interference from grain fragments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of grain moisture monitoring, in particular to a grain dryer moisture monitoring device which comprises a discharging frame and a discharging frame fixedly connected to the rear side of the discharging frame, a baffle is arranged on the inner side of the discharging frame, sliding blocks which are symmetrically arranged are fixedly connected to the left end and the right end of the baffle, a driving assembly is installed on the outer sides of the sliding blocks, and the driving assembly is connected with the discharging frame. According to the grain drying machine, through the arrangement of the baffle, the sliding block, the driving assembly, the monitoring device, the wire and the detection rod, after grain drying is finished, the rotating motor is started to enable the bottom end of the baffle to be tightly attached to the bottom end of the inner side of the discharging frame, then the grain drying machine is started to enable the grain to be discharged into the inner side of the discharging frame, and the grain drying machine is started to be used for drying the grain. At the moment, the detection rod can detect the moisture in the grains, the detection rod can monitor the moisture of the grains on the outer side of the grain drying machine through the design of the driving assembly and the connecting component of the driving assembly, the influence of high temperature and moisture on the detection rod is avoided, and the service life of the detection rod is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grain moisture monitoring, in particular to a grain drying machine moisture monitoring device. BACKGROUND

[0002] People need to dry grain before storing, and grain drying machine, as a key equipment in modern agricultural production, plays an important role. It is mainly composed of drying box, heating system, ventilation system, grain conveying device and intelligent control system, etc. The grain drying machine moisture monitoring device is a device for detecting the moisture of grain in the grain drying machine, which can avoid incomplete drying of the grain in the drying machine.

[0003] The existing grain drying machine moisture monitoring device is widely used, but the existing monitoring device is generally arranged inside the drying machine, which is easy to be damaged in a high temperature environment for a long time. The high humidity in the drying machine may affect the monitoring accuracy of the monitoring device, and the humid grain fragments may adhere to the outside of the detection rod of the monitoring device, causing the monitoring device to fail to monitor the moisture of the grain. Therefore, a grain drying machine moisture monitoring device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a grain drying machine moisture monitoring device to solve the problems of the existing detection rod arranged inside the drying machine being easy to be damaged and the detection rod being easy to stick to grain fragments.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A grain drying machine moisture monitoring device, comprising a discharge frame and a discharge frame fixedly connected to the rear side of the discharge frame, the inner side of the discharge frame is provided with a baffle, the left and right ends of the baffle are fixedly connected with symmetrically arranged sliding blocks, the outer side of the sliding block is provided with a driving assembly, the bottom end of the discharge frame is fixedly connected with a monitoring device, the left and right sides of the monitoring device are fixedly connected with symmetrically arranged wires, the end of the wire away from the monitoring device is fixedly connected with a detection rod penetrating through the discharge frame and slidingly connected with the discharge frame, the outer side of the detection rod is fixedly connected with a connecting plate located on the left and right sides of the discharge frame, one side of the connecting plate is fixedly connected with a return spring located on the outer side of the detection rod, the end of the return spring away from the connecting plate is fixedly connected with a fixed plate slidingly connected on the outer side of the detection rod, the outer side of the fixed plate is fixedly connected with a plurality of fixed rods arranged in a polar axis, the side of the fixed rod away from the fixed plate is fixedly connected to the outer side of the discharge frame, the end of the detection rod close to the wire is fixedly connected with a handle, and the inner side of the discharge frame is provided with a scraping assembly.

[0007] Preferably, the driving assembly comprises a sliding frame vertically arranged and fixedly connected outside the discharging frame, a rotating motor fixedly connected at the top end of the sliding frame, and a lead screw vertically arranged and located inside the sliding frame and fixedly connected at the bottom end of the output shaft of the rotating motor.

[0008] Preferably, the output shaft of the rotating motor penetrates through and is rotationally connected with the sliding frame, the sliding block is slidingly connected inside the sliding frame, the bottom end of the lead screw is rotationally connected with the bottom end inside the sliding frame, and the lead screw penetrates through and is threadedly connected with the sliding block.

[0009] Preferably, the scraping assembly comprises an externally-threaded cylinder fixedly connected inside the discharging frame, an internally-threaded cover screw-connected outside the externally-threaded cylinder, and a plurality of rubber rings fixedly connected inside the internally-threaded cover.

[0010] Preferably, the internal diameters of the externally-threaded cylinder and the internally-threaded cover are the same, the internal diameter of the externally-threaded cylinder is larger than the external diameter of the probe rod, and the rubber rings are tightly fitted with the external side of the probe rod.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. In the utility model, the baffle, the sliding block, the driving assembly, the monitoring device, the wire and the probe rod are arranged, after the grain drying is completed, the rotating motor is started to make the bottom end of the baffle tightly fit with the bottom end inside the discharging frame, then the grain dryer is started to make the grain enter the inside of the discharging frame, at this time, the probe rod can detect the moisture in the grain, the driving assembly and the connecting member are designed to make the probe rod monitor the moisture of the grain outside the grain dryer, avoid the influence of high temperature and humidity on the probe rod, and prolong the service life of the probe rod.

[0013] 2. In the utility model, the connecting plate, the reset spring, the fixed plate, the fixed rod, the handle, the scraping assembly, the externally-threaded cylinder, the internally-threaded cover and the rubber ring are arranged, during the grain moisture monitoring process, the grain fragments may adhere to the external side of the probe rod, at this time, the handle can be pulled to make the reset spring be stressed and compressed, the rubber ring can scrape off the grain fragments adhered to the external side of the probe rod, the handle is released after the grain fragments are scraped off, the reset spring resets to drive the probe rod to move and reset, and the design of the scraping assembly can scrape off the grain fragments to avoid the influence of the grain fragments on the probe rod monitoring the moisture in the grain. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic view of the utility model;

[0015] Figure 2 It is the driving assembly connecting member structure schematic view of the utility model;

[0016] Figure 3 It is the overall bottom end structure schematic view of the utility model;

[0017] Figure 4 It is a local structure schematic view of the utility model;

[0018] Figure 5 It is a detection rod connecting member structure schematic view of the utility model;

[0019] Figure 6 It is a scraping assembly structure schematic view of the utility model.

[0020] In the figure: 1, discharging frame; 2, discharging frame; 3, baffle; 4, sliding block; 5, driving assembly; 51, sliding frame; 52, rotating motor; 53, screw rod; 6, monitoring device; 7, wire; 8, detection rod; 9, connecting plate; 10, reset spring; 11, fixed plate; 12, fixed rod; 13, handle; 14, scraping assembly; 141, external thread cylinder; 142, internal thread cover; 143, rubber ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the utility model, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the protection scope of the utility model; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0023] In addition, it should be noted that the use of "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0025] The utility model provides a kind of grain dryer moisture monitoring device, including discharge frame 1 and fixedly connected in discharge frame 1 rear side's discharge frame 2, discharge frame 1 inner side is equipped with baffle 3, baffle 3 left and right two ends are fixedly connected with the slider 4 that is symmetrically arranged, slider 4 outside is equipped with drive assembly 5, discharge frame 1 bottom end is fixedly connected with monitoring device 6, monitoring device 6 left and right sides are fixedly connected with the wire 7 that is symmetrically arranged, wire 7 far from monitoring device 6 one end is fixedly connected with the detection rod 8 that passes through discharge frame 1 and with discharge frame 1 slidingly connected, detection rod 8 outside is fixedly connected with the connecting plate 9 located in the left and right sides of discharge frame 1, connecting plate 9 one side is fixedly connected with the reset spring 10 located in the outside of detection rod 8, reset spring 10 far from connecting plate 9 one end is fixedly connected with the fixed plate 11 slidingly connected in the outside of detection rod 8, fixed plate 11 outside is fixedly connected with a plurality of fixed rod 12 that is polar axis distribution, fixed rod 12 far from fixed plate 11 one side is fixedly connected in the outside of discharge frame 1, detection rod 8 close to wire 7 one end is fixedly connected with handle 13, discharge frame 1 inner side is equipped with scraping assembly 14, drive assembly 5 includes the sliding frame 51 that is vertically arranged and is fixedly connected with the outside of discharge frame 1, sliding frame 51 top end is fixedly connected with rotating motor 52, rotating motor 52 output shaft bottom end is fixedly connected with the screw rod 53 that is vertically arranged and is located in the inside of sliding frame 51, rotating motor 52 output shaft passes through sliding frame 51 and is rotationally connected with sliding frame 51, slider 4 is slidingly connected in the inside of sliding frame 51, screw rod 53 bottom end is rotationally connected with the inside bottom end of sliding frame 51, screw rod 53 passes through slider 4 and is threadedly connected with slider 4, after grain drying ends, start rotating motor 52 to make baffle 3 bottom end and discharge frame 1 inside bottom end closely adhere, subsequently start grain dryer to make grain discharge into discharge frame 2 inside, detection rod 8 can detect the moisture in grain at this time, the design of drive assembly 5 and its connecting member makes detection rod 8 can monitor the moisture in grain outside grain dryer, avoid the influence of high temperature and humidity to detection rod 8, prolong the service life of detection rod 8.

[0026] Scraping assembly 14 includes the outer thread cylinder 141 fixedly connected in the inside of discharge frame 1, the inner thread cover 142 screw connection has in the outside of outer thread cylinder 141, the inner thread cover 142 inside is fixedly connected with a plurality of rubber rings 143, the inner diameter of outer thread cylinder 141 and inner thread cover 142 is same, the inner diameter of outer thread cylinder 141 is greater than the outer diameter of detection rod 8, rubber ring 143 inside and detection rod 8 outside closely adhere, in the process of grain moisture monitoring, grain fragments can be adhered to the outside of detection rod 8, handle 13 can be pulled at this time, make reset spring 10 force compression, rubber ring 143 can scrape the grain fragments adhered to the outside of detection rod 8, after scraping grain fragments, handle 13 is loosened, reset spring 10 resets and drives detection rod 8 to move reset, the design of scraping assembly 14 can scrape grain fragments, avoid grain fragments to influence detection rod 8 to monitor the moisture in grain.

[0027] Workflow: before use, power on the device and connect the device to the control device, install the discharge frame 1 outside the discharge port of the grain dryer, put the internally threaded cover 142 outside the detection rod 8 and push, when the internally threaded cover 142 moves outside the externally threaded cylinder 141, rotate the internally threaded cover 142, make the internally threaded cover 142 screw with the externally threaded cylinder 141, after the grain drying is finished, start the rotating motor 52, the output shaft of the rotating motor 52 drives the screw rod 53 to rotate, at this time, the sliding block 4 slides inside the sliding frame 51 and drives the baffle 3 to descend until the bottom end of the baffle 3 tightly abuts with the bottom end inside the discharge frame 1, then start the grain dryer to make the grain discharge from the discharge port into the inside of the discharge frame 1, at this time, the detection rod 8 can detect the moisture in the grain and transmit the monitoring result to the monitoring device 6 through the wire 7, if the moisture is low, the rotating motor 52 can be directly started to make the baffle 3 ascend, so that the grain continuously discharges through the discharge frame 2, if the moisture is high, the grain dryer is closed to make the discharge port closed, the rotating motor 52 is started to make the baffle 3 ascend to make the grain discharge, and the grain is put into the dryer again to be dried, the design of the driving assembly 5 and the connecting members thereof makes the detection rod 8 capable of monitoring the moisture of the grain outside the grain dryer, avoids the influence of high temperature and humidity on the detection rod 8, prolongs the service life of the detection rod 8, during the process of monitoring the moisture of the grain, the grain fragments may adhere to the outside of the detection rod 8, at this time, the handle 13 can be pulled to make the detection rod 8 slide inside the fixed plate 11 at one end of the fixed rod 12, the reset spring 10 at one side of the connecting plate 9 is compressed under force, the rubber ring 143 in the internally threaded cover 142 can scrape the grain fragments adhered to the outside of the detection rod 8, after the grain fragments are scraped, the handle 13 is released, the reset spring 10 is reset to move the detection rod 8 to reset, the design of the scraping assembly 14 can scrape the grain fragments, avoids the influence of the grain fragments on the detection rod 8 monitoring the moisture in the grain.

[0028] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A grain dryer moisture monitoring device, comprising a discharge frame (1) and a discharge frame (2) fixedly connected to the rear side of the discharge frame (1), characterized in that: The inside of the discharge frame (1) is provided with a baffle (3), the left and right ends of the baffle (3) are fixedly connected with symmetrically arranged sliding blocks (4), the outside of the sliding block (4) is provided with a driving assembly (5), the bottom end of the discharge frame (1) is fixedly connected with a monitoring device (6), the left and right sides of the monitoring device (6) are fixedly connected with symmetrically arranged wires (7), one end of the wire (7) away from the monitoring device (6) is fixedly connected with a detection rod (8) penetrating through the discharge frame (1) and being in sliding connection with the discharge frame (1), the outside of the detection rod (8) is fixedly connected with a connecting plate (9) located on the left and right sides of the discharge frame (1), one side of the connecting plate (9) is fixedly connected with a return spring (10) located on the outside of the detection rod (8), one end of the return spring (10) away from the connecting plate (9) is fixedly connected with a fixed plate (11) slidingly connected on the outside of the detection rod (8), the outside of the fixed plate (11) is fixedly connected with a plurality of fixed rods (12) arranged in a polar axis, one side of the fixed rod (12) away from the fixed plate (11) is fixedly connected on the outside of the discharge frame (1), one end of the detection rod (8) close to the wire (7) is fixedly connected with a handle (13), the inside of the discharge frame (1) is provided with a scraping assembly (14).

2. A moisture monitoring device for a grain dryer as claimed in claim 1, wherein: The driving assembly (5) comprises a sliding frame (51) vertically arranged and fixedly connected to the outside of the discharge frame (1), the top end of the sliding frame (51) is fixedly connected with a rotating motor (52), the output shaft of the rotating motor (52) is fixedly connected with a lead screw (53) vertically arranged and located on the inside of the sliding frame (51).

3. A moisture monitoring device for a grain dryer as claimed in claim 2, wherein: The output shaft of the rotating motor (52) penetrates through the sliding frame (51) and is in rotary connection with the sliding frame (51), the sliding block (4) is slidingly connected on the inside of the sliding frame (51), the bottom end of the lead screw (53) is in rotary connection with the bottom end of the inside of the sliding frame (51), the lead screw (53) penetrates through the sliding block (4) and is in screw connection with the sliding block (4).

4. A grain dryer moisture monitoring device according to claim 2, characterised in that: The scraping assembly (14) comprises an external thread cylinder (141) fixedly connected on the inside of the discharge frame (1), the outside of the external thread cylinder (141) is screw-connected with an internal thread cover (142), the inside of the internal thread cover (142) is fixedly connected with a plurality of rubber rings (143).

5. A grain dryer moisture monitoring apparatus as claimed in claim 4, wherein: The inside diameters of the external thread cylinder (141) and the internal thread cover (142) are the same, the inside diameter of the external thread cylinder (141) is larger than the outside diameter of the detection rod (8), the inside of the rubber ring (143) is tightly attached to the outside of the detection rod (8).