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CN114935367B - Grain temperature and humidity monitoring system and control method thereof - Google Patents

Grain temperature and humidity monitoring system and control method thereof Download PDF

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Publication number
CN114935367B
CN114935367B CN202210541494.9A CN202210541494A CN114935367B CN 114935367 B CN114935367 B CN 114935367B CN 202210541494 A CN202210541494 A CN 202210541494A CN 114935367 B CN114935367 B CN 114935367B
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China
Prior art keywords
grain
assembly
temperature measuring
temperature
measuring cable
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CN202210541494.9A
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CN114935367A (en
Inventor
张晓丽
王绍军
肖海乐
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Zhejiang Jarol Scientific Instrument Co ltd
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Zhejiang Jarol Scientific Instrument Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The invention relates to the technical field of grain temperature and humidity monitoring and discloses a grain temperature and humidity monitoring system and a control method thereof, wherein the grain temperature and humidity monitoring system comprises a moving assembly, a rolling box is arranged on the moving assembly, a rolling wheel is arranged in the rolling box, a temperature measuring cable is wound on the rolling wheel, the rolling wheel is connected with a power assembly, the grain temperature and humidity monitoring system further comprises a grain position detecting assembly, the grain position detecting assembly is electrically connected with the moving assembly and the power assembly, temperature and humidity detection of grains is realized through the temperature measuring cable and the humidity detecting assembly, the moving assembly drives the rolling box to move in the horizontal direction in the grain injection process, and the power assembly drives the rolling wheel to release the temperature measuring cable, so that the temperature measuring cable is buried in grains in a zigzag manner, and the effect of expanding the monitoring area is achieved. Under the condition that the monitoring point positions need to be increased, the movement distance of the winding box in the horizontal direction is increased, and the purposes of conveniently increasing the monitoring point positions and the monitoring range are achieved.

Description

Grain temperature and humidity monitoring system and control method thereof
Technical Field
The invention relates to the technical field related to grain temperature and humidity monitoring, in particular to a grain temperature and humidity monitoring system and a control method thereof.
Background
The grain condition measurement and control system is a necessary device for modern grain storage, and has the main function of measuring parameters such as temperature, humidity and the like of grains in a granary. The existing grain condition measurement and control system mainly comprises a computer, an extension set and a temperature measurement cable; in a large grain bin, a plurality of temperature measuring cables are needed to be inserted into grains to realize detection, the plurality of temperature measuring cables form a plurality of branches, then the branches are connected with a trunk, parameter information is uploaded to an extension, at the present stage, the temperature measuring cables are placed generally after the grains are injected into the grain bin, the temperature measuring cables are pulled by a metal rod to be inserted into the grains, the labor intensity of workers is high, the efficiency is low, the temperature measuring cables are hung at the top in advance, and when the grains are injected, the temperature measuring cables are buried directly, the efficiency is high, the labor cost is saved, but larger pulling is brought to the temperature measuring cables, the damage is easy to cause, the temperature measuring cables are placed in a straight line mode, the monitoring area is small, if the monitoring area is required to be increased, the branch is increased, the structure is required to be adjusted greatly, the expansion is not facilitated, and the application is provided for the problems.
Disclosure of Invention
The invention aims to provide a grain temperature and humidity monitoring system and a control method thereof, which are used for overcoming the problems.
The invention is realized by the following technical scheme.
The invention discloses a grain temperature and humidity monitoring system, which comprises a moving assembly, wherein a winding box is arranged on the moving assembly, a winding wheel is arranged in the winding box, a temperature measuring cable is wound on the winding wheel, the winding wheel is connected with a power assembly, the grain temperature and humidity monitoring system also comprises a grain position detecting assembly and a humidity detecting assembly, the grain position detecting assembly is electrically connected with the moving assembly and the power assembly, when grains are injected into a grain bin, the grain position detecting assembly is used for detecting the height of the grains in the grain bin, when the grains are injected into the grain bin, the temperature measuring cable is hung at the top of the grain bin, the bottom of the temperature measuring cable is buried after the grains are injected, in the subsequent grain injection process, the moving assembly drives the winding box to move in the horizontal direction, and the power assembly drives the winding wheel to release the temperature measuring cable, and the movement speed of the winding box in the horizontal direction and the speed of the winding wheel to release the temperature measuring cable are determined according to parameters detected by the grain position detecting assembly.
Further, the moving assembly is annular, and a plurality of winding boxes are arranged on the moving assembly.
Further, the moving assembly drives each of the windboxes individually or all of the windboxes in synchronization as a whole.
Further, the power component is a motor, and the moving component is a roller type guide rail.
Further, the humidity detection assembly is mounted on the temperature measurement cable.
Further, one end of the temperature measuring cable penetrates into the rotating shaft of the winding wheel and penetrates out of one end of the rotating shaft.
Further, the bottom end of the temperature measuring cable is provided with a weighting component.
A control method of a grain temperature and humidity monitoring system is based on the grain temperature and humidity monitoring system, and comprises the following steps: s1: suspending the temperature measuring cable at the top of the granary; s2: after grain is injected, the bottom of the temperature measuring cable is buried, in the subsequent grain injection process, the moving assembly drives the winding box to move in the horizontal direction, the power assembly drives the winding wheel to release the temperature measuring cable, the moving speed of the winding box in the horizontal direction and the speed of the winding wheel to release the temperature measuring cable are determined according to parameters detected by the grain position detecting assembly, and the faster the grain position detecting assembly detects the rise speed of grain in a bin, the faster the moving speed of the winding box in the horizontal direction and the speed of the winding wheel to release the temperature measuring cable are.
Further, in the step S2, when the moving component drives the winding box to move in the horizontal direction, the speed gradually increases in the process of moving towards the grain injection point, and the speed gradually decreases in the process of moving away from the grain injection point.
Further, in the step S2, the moving component moves linearly or in an arc in a horizontal direction.
The invention has the beneficial effects that:
Temperature and humidity detection to grain is realized through temperature measurement cable and humidity detection subassembly, at grain injection in-process, remove the subassembly drive the rolling case carries out the motion of horizontal direction, the power component drive the rolling wheel releases temperature measurement cable to bury temperature measurement cable tortuous in grain, reach the effect of expanding the monitoring area.
Under the condition that the monitoring point positions need to be increased, the movement distance of the winding box in the horizontal direction is increased, and the purposes of conveniently increasing the monitoring point positions and the monitoring range are achieved.
As the temperature measuring cable is buried in grains in a meandering manner, the pressure of the grains is not directly conducted to the connection position of the temperature measuring cable and the trunk, the temperature measuring cable and the connection point are prevented from being subjected to larger pulling force, and the probability of faults is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of a moving assembly, a winding box and a thermometric cable;
FIG. 2 is a bottom view of the mobile assembly in a ring configuration;
FIG. 3 is a schematic view of the overall structure of the temperature measurement cable laid in the silo;
FIG. 4 is a schematic view of the internal structure of the winding box. .
Detailed Description
The invention is described in detail below in connection with fig. 1-4.
The invention relates to a grain temperature and humidity monitoring system, which comprises a moving assembly 1, wherein a winding box 2 is arranged on the moving assembly 1, a winding wheel 21 is arranged in the winding box 2, a temperature measuring cable 5 is wound on the winding wheel 21, the winding wheel 21 is connected with a power assembly 3, and the grain temperature and humidity monitoring system also comprises a grain position detecting assembly, wherein the grain position detecting assembly is electrically connected with the moving assembly 1 and the power assembly 3, when grains are injected into a grain bin, the grain position detecting assembly is used for detecting the height of the grains in the grain bin, the grain position detecting assembly is arranged on the wall or the top of the grain bin and is an ultrasonic distance sensor or an infrared sensor, when the grains are injected into the grain bin, the temperature measuring cable 5 is hung on the top of the grain bin, the bottom of the temperature measuring cable 5 is buried after the grains are injected, and the moving assembly 1 drives the winding box 2 to move in the horizontal direction in the subsequent grain injection process, the power component 3 drives the winding wheel 21 to release the temperature measuring cable 5, the movement speed of the winding box 2 in the horizontal direction and the speed of the winding wheel 21 to release the temperature measuring cable 5 are determined according to the parameters detected by the grain position detecting component, the higher the grain position detecting component detects that the grain height in the bin rises, the faster the movement speed of the winding box 2 in the horizontal direction and the speed of the winding wheel 21 to release the temperature measuring cable 5 are, the slower the reverse is, so that the temperature measuring cable 5 is zigzag buried in grains, the effect of enlarging the monitoring area is achieved, and under the condition that the monitoring point needs to be increased, the purpose of conveniently increasing the monitoring point and the monitoring range is achieved only by increasing the movement distance of the winding box 2 in the horizontal direction, and because the temperature measuring cable 5 is zigzag buried in grains, the pressure of grain can not direct conduction to the junction position department of temperature measurement cable 5 and trunk road, avoids temperature measurement cable 5 and tie point position to receive great pulling strength, reduces the probability of breaking down.
The temperature measuring cable 5 is provided with a humidity detecting component, such as a humidity sensor.
After the temperature measuring cable 5 is embedded, connecting an interface of the temperature measuring cable 5 at the top with a trunk, connecting the trunk with an extension or a host, collecting the temperature of each point of the grain pile point by a temperature sensor and a humidity sensor of the temperature measuring cable 5, and uploading the data to the detection host or the extension; the temperature measuring cable 5 can also be directly connected with a wireless transmitting module, the wireless transmitting module transmits the temperature and humidity parameters to a host or an extension through an electric signal, and staff can check the parameters of each point position through display equipment.
Preferably, the rotating shaft of the winding wheel 21 is a hollow rotating shaft, one end of the temperature measuring cable 5 penetrates into the rotating shaft of the winding wheel 21 and is penetrated out from one end of the rotating shaft, as shown in fig. 4, after the connecting end 52 of the temperature measuring cable 5 is penetrated out, the connection of the staff is facilitated.
As shown in fig. 2, the moving assembly 1 is in an annular structure, a plurality of winding boxes 2 are installed on the moving assembly 1, the number of the winding boxes 2 is determined according to the scale of a silo, each winding box 2 is independently driven by the moving assembly 1 or all the winding boxes 2 are integrally and synchronously driven, under the condition of independent driving, the laying speed and the laying range of each temperature measuring cable 5 are determined according to grain height parameters detected by a grain position detecting assembly at the position, so that reasonable potential monitoring is laid, the problem that the distance between monitoring points is too short or too long is avoided, under the condition of integral synchronous driving, the control mode is simpler and easy to realize, the moving assembly is an annular frame, and a plurality of guide rail assemblies are installed on the annular frame when the annular frame is driven by a driving motor to rotate and is independently driven.
Preferably, the power assembly 3 is a motor, and the moving assembly 1 is a roller type guide rail.
The weighting assembly 6 is installed at the bottom end of the temperature measuring cable 5, the weighting assembly 6 is a heavy hammer, the temperature measuring cable can be kept vertical in an initial state, meanwhile, the bottom of the temperature measuring cable can be buried in grains more easily, and the bottom of the temperature measuring cable is prevented from rising along with the grains.
A control method of a grain temperature and humidity monitoring system is based on the grain temperature and humidity monitoring system, and comprises the following steps: s1: hanging the temperature measuring cable 5 on the top of the granary; s2: after grain is injected, the bottom of the temperature measuring cable 5 is buried, in the subsequent grain injection process, the moving assembly 1 drives the winding box 2 to move in the horizontal direction, the power assembly 3 drives the winding wheel 21 to release the temperature measuring cable 5, the moving speed of the winding box 2 in the horizontal direction and the speed of the winding wheel 21 to release the temperature measuring cable 5 are determined according to parameters detected by the grain position detecting assembly, and the grain position detecting assembly detects that the higher the grain height in the bin is, the faster the moving speed of the winding box 2 in the horizontal direction and the speed of the winding wheel 21 to release the temperature measuring cable 5 are.
In step S2, when the moving component 1 drives the winding box 2 to move in the horizontal direction, the speed in the process of moving towards the grain injection point gradually increases, the speed in the process of moving away from the grain injection point gradually decreases, and because the grain pile is approximately conical in the process of grain injection, the grain height at the position close to the grain injection point increases fast, so that the speed in the process of moving towards the grain injection point gradually increases, the distance between monitoring points of the temperature measuring cable 5 can be avoided to be too large, the speed in the process of moving away from the grain injection point gradually decreases, the distance between monitoring points of the temperature measuring cable 5 can be avoided to be too small, and the temperature measuring cable 5 is ensured to be uniformly and curvedly buried in grains.
In the step S2, the moving assembly 1 moves linearly or in an arc manner in a horizontal direction, the track of the temperature measuring cable 5 is laid in a zigzag manner on a two-dimensional plane during the linear movement, and the track of the temperature measuring cable 5 is in a form similar to a spring spiral line during the arc movement, so that one temperature measuring cable 5 can have a larger monitoring range.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (10)

1. A grain humiture monitoring system which is characterized in that: the automatic grain filling machine comprises a moving assembly (1), wherein a rolling box (2) is arranged on the moving assembly (1), a rolling wheel (21) is arranged in the rolling box (2), a temperature measuring cable (5) is wound on the rolling wheel (21), the rolling wheel (21) is connected with a power assembly (3), the automatic grain filling machine further comprises a grain position detecting assembly and a humidity detecting assembly, the grain position detecting assembly is electrically connected with the moving assembly (1) and the power assembly (3), when grains are filled in a grain bin, the grain position detecting assembly is used for detecting the height of the grains in the bin, when the grains are filled in the grain bin, the temperature measuring cable (5) is hung at the top of the grain bin, the bottom of the temperature measuring cable (5) is buried after the grains are filled in, in the subsequent grain filling process, the moving assembly (1) drives the rolling box (2) to move in the horizontal direction, the power assembly (3) drives the rolling wheel (21) to release the temperature measuring cable (5), and the movement speed of the rolling box (2) in the horizontal direction and the speed of the rolling wheel (21) releases the temperature measuring cable (5) to the grain position detecting assembly according to the detection parameters; when the moving assembly (1) drives the winding box (2) to move in the horizontal direction, the speed is gradually increased in the process of moving towards the grain injection point, and the speed is gradually reduced in the process of moving away from the grain injection point; the moving assembly (1) moves linearly or in an arc manner in the horizontal direction, the track of the temperature measuring cable (5) is laid in a zigzag manner on a two-dimensional plane during linear movement, and the laying track of the temperature measuring cable (5) is in the form of a spring spiral line during arc movement.
2. The grain temperature and humidity monitoring system according to claim 1, wherein: the movable assembly (1) is annular, and a plurality of winding boxes (2) are arranged on the movable assembly (1).
3. The grain temperature and humidity monitoring system according to claim 2, wherein: the moving assembly (1) drives each winding box (2) independently or drives all winding boxes (2) integrally and synchronously.
4. A food temperature and humidity monitoring system according to any one of claims 1 to 3, characterized in that: the power assembly (3) is a motor, and the moving assembly (1) is a roller type guide rail.
5. A food temperature and humidity monitoring system according to any one of claims 1 to 3, characterized in that: the humidity detection assembly is mounted on the temperature measurement cable (5).
6. The food temperature and humidity monitoring system according to claim 5, wherein: one end of the temperature measuring cable (5) penetrates into the rotating shaft of the winding wheel (21) and penetrates out of one end of the rotating shaft.
7. The food temperature and humidity monitoring system according to claim 1 or 6, wherein: and a weighting component (6) is arranged at the bottom end of the temperature measuring cable (5).
8. A method for controlling a grain temperature and humidity monitoring system, based on the grain temperature and humidity monitoring system as claimed in any one of claims 1 to 7, characterized in that: the method comprises the following steps: s1: suspending the temperature measuring cable (5) at the top of the granary; s2: burying the bottom of the temperature measuring cable (5) after grain injection, driving the winding box (2) to move in the horizontal direction by the moving component (1) in the subsequent grain injection process, driving the winding wheel (21) by the power component (3) to release the temperature measuring cable (5), wherein the moving speed of the winding box (2) in the horizontal direction and the speed of the winding wheel (21) to release the temperature measuring cable (5) are determined according to parameters detected by the grain position detecting component, and the faster the grain position detecting component detects the rising speed of grain in a bin, the faster the moving speed of the winding box (2) in the horizontal direction and the speed of the winding wheel (21) to release the temperature measuring cable (5); when the moving assembly (1) drives the winding box (2) to move in the horizontal direction, the speed is gradually increased in the process of moving towards the grain injection point, and the speed is gradually reduced in the process of moving away from the grain injection point; the moving assembly (1) moves linearly or in an arc manner in the horizontal direction, the track of the temperature measuring cable (5) is laid in a zigzag manner on a two-dimensional plane during linear movement, and the laying track of the temperature measuring cable (5) is in the form of a spring spiral line during arc movement.
9. The method for controlling a system for monitoring the temperature and humidity of grains according to claim 8, wherein: in the step S2, when the moving assembly (1) drives the winding box (2) to move in the horizontal direction, the speed of the winding box in the process of moving towards the grain injection point gradually increases, and the speed of the winding box in the process of moving away from the grain injection point gradually decreases.
10. The method for controlling a system for monitoring the temperature and humidity of grains according to claim 8 or 9, wherein: in the step S2, the moving component (1) moves linearly or in an arc in the horizontal direction.
CN202210541494.9A 2022-05-17 2022-05-17 Grain temperature and humidity monitoring system and control method thereof Active CN114935367B (en)

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CN107310878A (en) * 2017-06-30 2017-11-03 深圳市诚骋科技有限公司 A kind of food processing flour storage tank humidity detector

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US4553432A (en) * 1982-07-10 1985-11-19 Reinhold Barlian Temperature-humidity surveillance equipment
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Application publication date: 20220823

Assignee: Jiaxing Leyao New Energy Co.,Ltd.

Assignor: ZHEJIANG JAROL SCIENTIFIC INSTRUMENT Co.,Ltd.

Contract record no.: X2024330000398

Denomination of invention: A Grain Temperature and Humidity Monitoring System and Its Control Method

Granted publication date: 20240719

License type: Common License

Record date: 20240820