CN111426703B - Material moisture content detection device for microwave technology - Google Patents
Material moisture content detection device for microwave technology Download PDFInfo
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- CN111426703B CN111426703B CN202010348613.XA CN202010348613A CN111426703B CN 111426703 B CN111426703 B CN 111426703B CN 202010348613 A CN202010348613 A CN 202010348613A CN 111426703 B CN111426703 B CN 111426703B
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- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
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Abstract
The invention discloses a device for detecting the water content of a material for microwave technology, which comprises a shell, a pressure detection mechanism, a pressure reduction mechanism and a centrifugal drying mechanism, wherein the centrifugal drying mechanism, the pressure reduction mechanism and the pressure detection mechanism are sequentially arranged in the shell from top to bottom, the centrifugal drying mechanism removes water in the material by using centrifugal force and high temperature, the pressure reduction mechanism takes away air in the centrifugal drying mechanism by using high-speed moving airflow, and the pressure detection mechanism calculates the water content through pressure change before and after the material is dried. Meanwhile, the centrifugal drying mechanism generates heat through friction by utilizing a magnetocaloric effect and evaporates water.
Description
Technical Field
The invention relates to the technical field of material moisture content detection, in particular to a material moisture content detection device for a microwave technology.
Background
The microwave material is mainly used for microwave components such as resonators, filters, dielectric antennas, dielectric guided wave loops and the like. The method can be used for mobile communication, satellite communication, military radar and the like. With the development of scientific technology, the amount of communication information is rapidly increased, and the requirements of people on wireless communication, the use of microwave communication systems such as satellite communication and satellite direct broadcast television becomes a necessary trend for the development of current communication technology.
However, the material containing water will cause microwave energy loss, so that the microwave energy is reduced, and the normal operation of the microwave is influenced.
Therefore, a device for detecting moisture content of material in microwave technology is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a material moisture content detection device for microwave technology, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a material moisture content detection device for microwave technology, this moisture content detection device includes shell, pressure measurement mechanism, decompression mechanism, centrifugal drying mechanism, its characterized in that: the shell is inside from last to having set gradually centrifugal drying mechanism, decompression mechanism, pressure measurement mechanism down, centrifugal drying mechanism utilizes centrifugal force and high temperature to get rid of the moisture in the material, the air in the centrifugal drying mechanism is taken away to the air current that decompression mechanism utilized high-speed motion, pressure measurement mechanism calculates the moisture content through the pressure variation around the material is dry. The pressure detection mechanism detects the weight of a material in the centrifugal drying mechanism, the pressure detection mechanism converts the gravity of the material into the change of pressure in a sealed space, the moisture content in the material is calculated by detecting the change of the pressure in the sealed space before and after the material is dried, the pressure reduction mechanism takes away the air in the centrifugal drying mechanism by utilizing air flow to generate low pressure in the centrifugal drying mechanism, the pressure reduction mechanism utilizes the air flow to enable the centrifugal drying mechanism to rotate at high speed and generate centrifugal force, and the centrifugal drying mechanism utilizes the magnetocaloric effect to generate heat by friction and evaporate the moisture on the material.
According to a preferred technical scheme, the pressure detection mechanism comprises at least two groups of pressure cabins and detection cabins, wherein the two groups of pressure cabins are arranged in a shell, and the two groups of pressure cabins are connected with the detection cabins through pipelines; the pressure reducing mechanism comprises at least two groups of air machines and at least two groups of air inlet pipes, wherein the two groups of air machines are arranged on the shell, and the two groups of air machines are respectively fixed with one ends of the two groups of air inlet pipes; the centrifugal drying mechanism comprises a fixed shell and a centrifugal ball, the fixed shell is arranged inside the shell, and the centrifugal ball is positioned inside the fixed shell and is rotationally connected with the fixed shell; the fixed shell is located between the two groups of pressure cabins and fixed with the two groups of pressure cabins, and the other ends of the two groups of air inlet pipes are fixed with the fixed shell. The pressure cabin is connected with the centrifugal drying mechanism, the pressure cabin transmits the gravity change before and after the centrifugal drying mechanism to the detection cabin in a gas form, the detection cabin and the pressure cabin are connected with each other to form a sealed space, the pressure cabin is influenced by the gravity of the centrifugal drying mechanism, different amounts of air are input into the detection cabin by the pressure cabin according to different gravity of the centrifugal drying mechanism, the internal air pressure in the detection cabin is increased due to the pressurization of the air, and the water content of the material is obtained through calculation by detecting and comparing different air pressures of the detection cabin; the air machine provides power for the rotation of the centrifugal ball, and the air inlet pipe transmits air; the fixed shell provides support for the installation of centrifugal ball, and centrifugal ball provides for the material and holds the space, and the fixed shell cooperates each other with centrifugal ball and carries out centrifugal dehydration and high temperature drying to the material.
As a preferred technical scheme, the shell is internally provided with two sets of vertical plates and two sets of transverse plates from top to bottom in sequence, the vertical plates and the transverse plates are matched with each other to separate the inner space of the shell into two compression spaces and a drying space, the pressure chambers are respectively positioned in the two compression spaces, the fixed shell is positioned in the drying space, the transverse plates separate the inner space of the shell into a power space and a detection space, the air machines are positioned in the power space, and the detection chamber is positioned in the detection space. Two sets of risers provide the support to the installation of centrifugal drying mechanism, and the diaphragm provides the support to the installation of air conditioner and the installation that detects the cabin, and the riser is mutually supported with the diaphragm and is cut apart the space in the shell.
As a preferred technical scheme, the pressure detection mechanism further comprises a detection system, the detection system comprises a pressure sensor and a controller, the pressure sensor and the controller are arranged in the detection cabin, and the pressure sensor is electrically connected with the controller. The detection system analyzes and calculates pressure data of the detection cabin to obtain weight change and water content before and after the material is dried, the pressure sensor detects pressure change in detection and transmits the data to the controller, and the controller analyzes and calculates the data.
As a preferred technical scheme, the pressure reduction mechanism further comprises a cooling pipe and at least two sets of three-position four-way valves, the two sets of three-position four-way valves are respectively fixed with the two sets of air inlet pipes, the cooling pipe is a Y-shaped cooling pipe, one end of the cooling pipe is fixed with the fixing shell, and two ends of the Y end of the cooling pipe are respectively fixed with the two sets of three-position four-way valves. The cooling pipe transmits the air extracted by the air machine, the air extracted by the air machine flows on the surface of the centrifugal ball, and the temperature generated by the centrifugal ball is taken away through the flow of the air, so that the centrifugal ball is cooled, the influence on detection data due to the temperature rise in the centrifugal ball is prevented, and the three-position four-way valve transmits the air extracted by the air machine in different paths.
As preferred technical scheme, the set casing is provided with two sets of pillars, and is two sets of be provided with the spout on the riser, and is two sets of the pillar is arranged in two sets of spouts respectively, the set casing passes through the mutual cooperation realization of pillar and spout and the sliding connection of two sets of risers, and is two sets of the pillar is fixed with the pressure chamber. The spout provides the passageway for the pillar slides on the riser, and the pillar setting is on the set casing, and the pillar is installed in the pressure chamber upper end, and the set casing obtains the support of pressure chamber on vertical space through the pillar, when the centrifugal ball that puts into the set casing and has the material, and the set casing exerts pressure to the pressure chamber through the pillar, makes the inside atmospheric pressure of pressure chamber change.
As a preferred technical scheme, two groups of pressure chambers respectively comprise a pressure plate fixed with a strut and a compression air bag connected with the pressure plate, the pressure plate is positioned above the compression air bag, and the pressure plate is connected with a vertical plate in a sliding mode. The pressure plate is connected with the strut, compresses the compression air bag after the pressure plate receives the gravity of the fixed shell transmitted by the strut, the compression air bag is connected with the detection cabin through a pipeline, and the compressed air bag transmits air into the detection cabin through the pipeline after being compressed, so that the air pressure in the detection cabin is changed.
According to a preferable technical scheme, the fixing shell is of a hollow sphere structure, the lower end of the fixing shell is provided with the positioning groove, the inner end face of the fixing shell is an embedded magnetic end face, the outer surface of the centrifugal sphere is provided with a plurality of groups of rotating plates, the plurality of groups of rotating plates are rotatably connected with the fixing shell, and the end faces of the plurality of groups of rotating plates, which are in contact with the fixing shell, are all embedded magnetic end faces. The lower extreme of set casing is provided with the constant head tank, position when conveniently rotating the centrifugal ball is controlled, prevent that the centrifugal ball from 360 rotations in the set casing under the promotion of air, the surface of centrifugal ball is provided with the rotor plate, when the intake pipe transmits the air that the air machine extracted to the set casing and produce the rotor plate and rotate thrust, the rotor plate drives the centrifugal ball and rotates in the set casing under the promotion of air, through inlaying the mutual friction between the magnetism terminal surface, make rotor plate and set casing utilize the magnetocaloric effect to produce and carry out dry high temperature to the material, the rotor plate is inside the centrifugal ball with temperature conduction, make the inside temperature of centrifugal ball rise, thereby carry out high temperature evaporation and material drying to the inside moisture of centrifugal ball.
As a preferred technical scheme, the centrifugal ball is of a hollow sphere structure, a screen plate is arranged in the centrifugal ball, a plurality of groups of one-way exhaust holes are formed in the centrifugal ball, and a positioning block is arranged at the lower end of the centrifugal ball and is positioned in a positioning groove. The fixed shell and the centrifugal ball are both hollow ball structures, the hollow structure of the fixed shell facilitates the placement of the centrifugal ball, the hollow structure of the centrifugal ball provides a holding space for the placement of materials, the inner part of the centrifugal ball can be fully heated through the arrangement of the ball body, the position of the material in the centrifugal ball is controlled by the screen plate, the material is prevented from being accumulated on the lower end of the inner part of the centrifugal ball in a large amount, so that the material can be better heated in the centrifugal ball, the one-way exhaust hole enables the air in the centrifugal ball to be exhausted out of the centrifugal ball, when the temperature and the pressure inside the centrifugal ball are high, the outside air is prevented from being subjected to the inside of the centrifugal ball, the influence of the outside air on the inside of the centrifugal ball on materials is avoided when the temperature inside the centrifugal ball is high, the positioning block and the positioning groove are matched with each other to limit the rotation of the centrifugal ball to a certain degree, the centrifugal ball can only rotate in the vertical direction under the driving of the rotating plate, and the centrifugal ball is prevented from rotating 360 degrees in the fixed shell under the influence of the inside materials.
As a preferred technical scheme, a plurality of groups of baffles are arranged on the plurality of groups of unidirectional exhaust holes, a gas baffle is arranged in the plurality of groups of unidirectional exhaust holes, and the plurality of groups of baffles block the gas baffle. The one-way exhaust hole provides a channel for discharging air in the centrifugal ball, and the air baffle plate plugs the one-way exhaust hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the pressure reducing mechanism takes away air in the centrifugal drying mechanism by utilizing air flow to generate low pressure in the centrifugal drying mechanism, the pressure reducing mechanism enables the centrifugal drying mechanism to rotate at a high speed by utilizing air flow and generate centrifugal force, water molecules in the material rapidly move to the outer surface of the material in an external low-pressure environment under the continuous extrusion of the material molecules, and the centrifugal drying mechanism generates heat by friction by utilizing a magnetocaloric effect and evaporates moisture on the material.
2. The weight of the material in the centrifugal drying mechanism is detected by the pressure detection mechanism, the gravity of the material is converted into the change of the pressure in the sealed space by the pressure detection mechanism, different pressures can be generated by the slight change of the weight of the material, and the moisture content in the material is calculated by detecting the change of the pressure in the sealed space before and after the material is dried.
Drawings
FIG. 1 is a schematic diagram of the installation of the overall structure of a device for detecting moisture content of a material for microwave technology according to the present invention;
FIG. 2 is a schematic view of a component mounting structure of the device for detecting moisture content in microwave material according to the present invention;
FIG. 3 is a schematic view showing the connection between a vertical plate and a support of the device for detecting moisture content in a material for microwave technology according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a centrifugal ball of the device for detecting moisture content of materials for microwave technology according to the present invention;
FIG. 5 is a schematic view of the connection between the centrifugal ball and the rotating plate of the device for detecting moisture content of material for microwave technology according to the present invention;
FIG. 6 is a schematic structural diagram of a one-way vent of a device for detecting moisture content in materials for microwave technology.
FIG. 7 is a schematic diagram showing the connection of a three-position four-way valve, an air inlet pipe and a cooling pipe of the device for detecting moisture content of materials for microwave technology;
FIG. 8 is a schematic diagram of a screen structure of a device for detecting moisture content of a material for microwave technology according to the present invention.
The reference numbers are as follows: 1. a housing; 2. a pressure detection mechanism; 3. a pressure reduction mechanism; 4. a centrifugal drying mechanism; 1-1, vertical plate; 1-2, a transverse plate; 1-3, a chute; 2-1, a pressure chamber; 2-2, a detection cabin; 2-3, detecting a system; 2-11, a pressure plate; 2-12, compressing the air bag; 2-31, a pressure sensor; 2-32, a controller; 3-1, an air machine; 3-2, an air inlet pipe; 3-3, cooling pipes; 3-4, a three-position four-way valve; 4-1, fixing the shell; 4-2, centrifugal ball; 4-11, a strut; 4-21, rotating the board; 4-22, a screen plate; 4-23, one-way vent hole; 4-24, positioning blocks; 4-25, a baffle; 4-26 and an air baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 8, the moisture content detection device for the microwave technology comprises a shell 1, a pressure detection mechanism 2, a pressure reduction mechanism 3 and a centrifugal drying mechanism 4, wherein the centrifugal drying mechanism 4, the pressure reduction mechanism 3 and the pressure detection mechanism 2 are sequentially installed in the shell 1 from top to bottom, the centrifugal drying mechanism 4 removes moisture in a material by using centrifugal force and high temperature, the pressure reduction mechanism 3 takes away air in the centrifugal drying mechanism 4 by using high-speed moving airflow, and the pressure detection mechanism 2 calculates the moisture content through pressure change before and after the material is dried.
The controller 2-32 in the device is a PLC controller with the model number of FX3U-16MT/DS, the air motor 3-1 is a device which is driven by electricity to generate air flow, such as a fan, an exhaust fan and the like, and the pressure sensor 2-31 is an HM10 high-precision pressure sensor.
Two groups of vertical plates 1-1 and two groups of transverse plates 1-2 are sequentially welded in the shell 1 from top to bottom, the two groups of vertical plates 1-1 and the one group of transverse plates 1-2 are matched with each other to divide the inner space of the shell 1 into two compression spaces and one drying space, the two groups of pressure chambers 2-1 are respectively positioned in the two compression spaces, the centrifugal drying mechanism 4 is positioned in the drying space, the two groups of transverse plates 1-2 divide the inner space of the shell 1 into a power space and a detection space, the two groups of air machines 3-1 are positioned in the power space, and the detection chambers 2-2 are positioned in the detection space.
The pressure detection mechanism 2 comprises at least two groups of pressure chambers 2-1 and detection chambers 2-2, the two groups of pressure chambers 2-1 are positioned in a compression space in the shell 1, and the two groups of pressure chambers 2-1 are connected with the detection chambers 2-2 through pipelines;
the two groups of pressure chambers 2-1 respectively comprise pressure plates 2-11 and compression air bags 2-12 which are connected with the pressure plates 2-11 through gluing, the pressure plates 2-11 are positioned above the compression air bags 2-12, the pressure plates 2-11 are connected with vertical plates 1-1 and the inner wall of the shell 1 in a sliding mode, the lower ends of the compression air bags 2-12 are connected with pipelines, the other ends of the pipelines are connected with the detection chambers 2-2, and electric control valves are installed in the pipelines.
The pressure detection mechanism 2 further comprises a detection system 2-3, the detection system 2-3 comprises a pressure sensor 2-31 installed in the detection cabin 2-2 and a controller 2-32 installed in the detection space through screws, the pressure sensor 2-31 is electrically connected with the controller 2-32, and the electric control valve is electrically connected with the controller 2-32 through a lead.
In a further optimized scheme, the pressure detection mechanism 2 further comprises a humidity sensor arranged at the upper end inside the centrifugal ball 4-2, the humidity sensor is electrically connected with the controller 2-32 through a lead, and the humidity sensor detects the humidity in the centrifugal ball 4-2 and transmits data to the controller 2-32.
The pressure reducing mechanism 3 comprises at least two groups of air machines 3-1 and at least two groups of air inlet pipes 3-2, the two groups of air machines 3-1 are positioned in a power space of the shell 1, the air machines 3-1 are electrically connected with the controller 2-32 through leads, the two groups of air machines 3-1 are respectively fixed with one ends of the two groups of air inlet pipes 3-2 through screws, one ends of the air inlet pipes 3-2, which are connected with the air machines 3-1, are horn-shaped and can intensively transmit air blown out by the air machines 3-1, the other ends of the two groups of air inlet pipes 3-2 are welded with the fixed shell 4-1, and the air inlet pipes 3-2 are fixed on the inner wall of the shell 1 through screws to prevent the air inlet pipes 3-2 from generating downward traction force.
The pressure reducing mechanism 3 also comprises a cooling pipe 3-3, the cooling device comprises at least two groups of three-position four-way valves 3-4, wherein the two groups of three-position four-way valves 3-4 are installed on an air inlet pipe 3-2, the three-position four-way valves 3-4 are fixed on a transverse plate 1-2 through screws, the two groups of three-position four-way valves 3-4 are electrically connected with controllers 2-32 through leads, the two groups of three-position four-way valves 3-4 are respectively fixed with the two groups of air inlet pipes 3-2, the cooling pipe 3-3 is a Y-shaped cooling pipe, one end of the cooling pipe 3-3 is fixed with the lower end of a fixed shell 4-1, two ends of the Y end of the cooling pipe 3-3 are respectively fixed with the two groups of three-position four-way valves 3-4, and the cooling pipe.
The centrifugal drying mechanism 4 comprises a fixed shell 4-1 and a centrifugal ball 4-2, the fixed shell 4-1 is positioned in the shell 1 and positioned in a drying space, the centrifugal ball 4-2 is positioned in the fixed shell 4-1 and rotatably connected with the fixed shell 4-1, a feeding hole is formed in the upper end of the centrifugal ball 4-2, a sealing cover is installed on the feeding hole, and a humidity sensor is installed on the sealing cover.
The fixed shell 4-1 is located between the two groups of pressure chambers 2-1 and fixed with the two groups of pressure chambers 2-1, two groups of supports 4-11 are welded on two sides of the fixed shell 4-1, sliding grooves 1-3 are processed on the two groups of vertical plates 1-1, the two groups of supports 4-11 are respectively located in the two groups of sliding grooves 1-3, the fixed shell 4-1 is in sliding connection with the two groups of vertical plates 1-1 through mutual matching of the supports 4-11 and the sliding grooves 1-3, the supports 4-11 are located on the upper end faces of the pressure plates 2-11 and are welded with the pressure plates 2-11, and the fixed shell 4-1 is fixed with the pressure chambers 2-1 through the supports 4-11 and the pressure plates 2-11.
The fixed shell 4-1 is a hollow sphere structure, the upper end of the fixed shell 4-1 is welded with an air outlet pipe, the lower end of the fixed shell 4-1 is processed with a positioning groove, the lower end of the positioning groove is welded with a cooling pipe 3-3, the inner end surface of the fixed shell 4-1 is a magnetic embedding end surface, the centrifugal sphere 4-2 is a hollow sphere structure, the outer surface of the centrifugal sphere 4-2 is processed with a plurality of groups of rotating plates 4-21, the plurality of groups of rotating plates 4-21 are rotatably connected with the fixed shell 4-1, the end surfaces of the plurality of groups of rotating plates 4-21, which are contacted with the fixed shell 4-1, are magnetic embedding end surfaces, the lower end of the centrifugal sphere 4-2 is processed with a positioning block 4-24, the positioning block 4-24 is positioned in the positioning groove, the upper end of the rotating plate 4-21 corresponds to the air outlet, the lower end of the rotating plate 4-21 is covered on the positioning block 4-24.
The centrifugal ball 4-2 is internally welded with a screen plate 4-22, a plurality of groups of one-way exhaust holes 4-23 are processed on the ball body of the centrifugal ball 4-2, the air outlet end of the plurality of groups of one-way exhaust holes 4-23 is horn-shaped, a plurality of groups of baffles 4-25 are processed at the air outlet end of the horn-shaped, the air inlet end of the plurality of groups of one-way exhaust holes 4-23 is provided with a filter screen, materials in the centrifugal ball 4-2 are blocked through the filter screen, the materials are prevented from leaving the centrifugal ball 4-2 through the one-way exhaust holes 4-23, air baffles 4-26 are installed in the plurality of groups of one-way exhaust holes 4-23, and the air baffles 4-26 are blocked through the plurality of.
The working principle of the invention is as follows:
when the material is put into the centrifugal ball 4-2, the material falls on the screen plate 4-22, when the centrifugal ball 4-2 is placed on the fixed shell 4-1, the fixed shell 4-1 compresses the compression air bag 2-12 through the support 4-11 and the pressure plate 2-11, so that the air in the compression air bag 2-12 enters the detection cabin 2-2, when the pressure sensor 2-31 detects a pressure change in the detection chamber 2-2, the pressure sensor 2-31 transmits pressure data to the controller 2-32, the controller 2-32 analyses the data of the pressure sensor 2-31, and recording the data after the numerical values of the pressure sensors 2-31 are stabilized, wherein the stabilized data are the pressure values corresponding to the integral weight of the material added to the centrifugal drying mechanism 4.
After the data is stable, the controller 2-32 controls the electric control valve to close a connecting pipeline between the compression air bag 2-12 and the detection cabin 2-2, so that the fixed shell 4-1 is prevented from transmitting unnecessary data to the controller 2-32 through the pressure sensor 2-31 when the centrifugal ball 4-2 rotates in the fixed shell 4-1, and meanwhile, air in the compression air bag 2-12 is blocked, so that the compression air bag 2-12 forms a closed space, so that the compression air bag 2-12 supports the fixed shell 4-1 in the vertical direction when the centrifugal ball 4-2 rotates in the fixed shell 4-1, and the influence of the vertical movement of the fixed shell 4-1 on the rotation of the centrifugal ball 4-2 is avoided.
The controller 2-32 controls the electric control valve to close the pipeline, the controller 2-32 controls the two groups of air machines 3-1 to start to extract air, the controller 2-32 controls the three-position four-way valve 3-4 to conduct one end of the air inlet pipe 3-2 connected with the fixed shell 4-1, and the air inlet pipe 3-2 transmits the air extracted by the air machines 3-1 to the fixed shell 4-1.
When air enters the fixed shell 4-1, the rotating plate 4-21 drives the centrifugal ball 4-2 to rotate in the fixed shell 4-1 under the pushing of the air, the centrifugal ball 4-2 is driven by the rotating plate 4-21 to rapidly rotate in the fixed shell 4-1 and generate centrifugal force inside, and the material on the screen plate 4-22 extrudes internal water molecules under the action of the centrifugal force.
When air flows on the outer surface of the centrifugal ball 4-2 through the rotating plate 4-21, the air inside the centrifugal ball 4-2 close to the one-way exhaust hole 4-23 is carried out of the centrifugal ball 4-2 by the air on the outer surface due to the high air flow speed outside the centrifugal ball 4-2, the air inside the centrifugal ball 4-2 is continuously reduced, a low-pressure space is formed inside the centrifugal ball 4-2, and water molecules in the material rapidly move to the outer surface of the material under the external low-pressure environment and the continuous extrusion of the material molecules.
When the rotating plate 4-21 is driven by air to rotate continuously in the fixed shell 4-1, the rotating plate 4-21 generates heat by friction with the fixed shell 4-1 by using the magnetocaloric effect, so that high temperature is generated in the fixed shell 4-1 and on the rotating plate 4-21, the rotating plate 4-21 transfers the heat into the centrifugal ball 4-2, so that high temperature is generated in the centrifugal ball 4-2, the centrifugal ball 4-2 carries out comprehensive water evaporation on the material on the screen plate 4-22 through the high temperature, the internal space of the centrifugal ball 4-2 is changed into a high-temperature high-pressure space after the water evaporation, so that the water vapor in the centrifugal ball 4-2 is discharged out of the centrifugal ball 4-2 under the high pressure and the external surface air flow, so that the material on the screen plate 4-22 is dried under the centrifugal force and the high temperature, A moisture free material.
When the humidity sensor detects that the air in the centrifugal ball 4-2 contains no water, the controller 2-32 controls the three-position four-way valve 3-4 to conduct one end of the cooling pipe 3-3 connected with the fixed shell 4-1, the air machine 3-1 transmits air into the fixed shell 4-1 from the lower end of the fixed shell 4-1 through the cooling pipe 3-3, at the moment, because the flowing direction of the air is parallel to the rotating plate 4-21, the rotating plate 4-21 cannot be pushed by the air, the centrifugal ball 4-2 stops in the fixed shell 4-1 under the action of gravity, the air takes away the temperature on the fixed shell 4-1, the rotating plate 4-21 and the centrifugal ball 4-2 through flowing, and the temperature reduction treatment of the centrifugal ball 4-2 is realized.
When the temperature in the centrifugal ball 4-2 is reduced, the controller 2-32 controls the air machine 3-1 to stop working, the controller 2-32 controls the electric control valve to open a pipeline between the compression air bag 2-12 and the detection cabin 2-2, the fixed shell 4-1 compresses the compression air bag 2-12, the compression air bag 2-12 transmits air into the detection cabin 2-2, the pressure sensor 2-31 detects the air pressure in the detection cabin 2-2 again and transmits data into the controller 2-32, when the controller 2-32 receives stable data, the stable data is the air pressure value corresponding to the whole weight of the material after the centrifugal drying mechanism 4 and the water removal, the controller 2-32 processes the data after the two times of stabilization to calculate the final result, i.e. the water content in the material.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a material moisture content detection device for microwave technology, this moisture content detection device includes shell (1), pressure detection mechanism (2), step-down mechanism (3), centrifugal drying mechanism (4), its characterized in that: the device is characterized in that a centrifugal drying mechanism (4), a pressure reduction mechanism (3) and a pressure detection mechanism (2) are sequentially arranged in the shell (1) from top to bottom, the centrifugal drying mechanism (4) removes moisture in the material by utilizing centrifugal force and high temperature, the pressure reduction mechanism (3) takes away air in the centrifugal drying mechanism (4) by utilizing high-speed moving airflow, and the pressure detection mechanism (2) calculates the water content through pressure change before and after the material is dried;
the pressure detection mechanism (2) comprises at least two groups of pressure chambers (2-1) and detection chambers (2-2), the two groups of pressure chambers (2-1) are arranged in the shell (1), and the two groups of pressure chambers (2-1) are connected with the detection chambers (2-2) through pipelines; the pressure reduction mechanism (3) comprises at least two groups of air machines (3-1) and at least two groups of air inlet pipes (3-2), the two groups of air machines (3-1) are arranged on the shell (1), and the two groups of air machines (3-1) are respectively fixed with one ends of the two groups of air inlet pipes (3-2); the centrifugal drying mechanism (4) comprises a fixed shell (4-1) and a centrifugal ball (4-2), the fixed shell (4-1) is arranged in the shell (1), and the centrifugal ball (4-2) is positioned in the fixed shell (4-1) and is rotatably connected with the fixed shell (4-1); the fixed shell (4-1) is positioned between the two groups of pressure chambers (2-1) and fixed with the two groups of pressure chambers (2-1), and the other ends of the two groups of air inlet pipes (3-2) are fixed with the fixed shell (4-1).
2. The device for detecting the moisture content of the material for microwave technology according to claim 1, wherein: the shell (1) is internally provided with two sets of vertical plates (1-1) and two sets of transverse plates (1-2) from top to bottom in sequence, the vertical plates (1-1) and the transverse plates (1-2) are matched with each other to separate the internal space of the shell (1) into two compression spaces and one drying space, the pressure chambers (2-1) are respectively arranged in the two compression spaces, the fixed shell (4-1) is arranged in the drying space, the transverse plates (1-2) are used for separating the internal space of the shell (1) into a power space and a detection space, and the air machines (3-1) are arranged in the power space and the detection chambers (2-2) are arranged in the detection space.
3. The device for detecting the moisture content of the material for microwave technology according to claim 1, wherein: the pressure detection mechanism (2) further comprises a detection system (2-3), the detection system (2-3) comprises a pressure sensor (2-31) arranged in the detection cabin (2-2) and a controller (2-32), and the pressure sensor (2-31) is electrically connected with the controller (2-32).
4. The device for detecting the moisture content of the material for microwave technology according to claim 1, wherein: the pressure reduction mechanism (3) further comprises a temperature reduction pipe (3-3) and at least two sets of three-position four-way valves (3-4), the two sets of three-position four-way valves (3-4) are respectively fixed with the two sets of air inlet pipes (3-2), the temperature reduction pipe (3-3) is a Y-shaped temperature reduction pipe, one end of the temperature reduction pipe (3-3) is fixed with the fixed shell (4-1), and two ends of the Y end of the temperature reduction pipe (3-3) are respectively fixed with the two sets of three-position four-way valves (3-4).
5. The device for detecting the moisture content of the material for microwave technology according to claim 2, wherein: the fixed shell (4-1) is provided with two groups of pillars (4-11), sliding grooves (1-3) are formed in the two groups of vertical plates (1-1), the two groups of pillars (4-11) are respectively located in the two groups of sliding grooves (1-3), the fixed shell (4-1) is in sliding connection with the two groups of vertical plates (1-1) through mutual matching of the pillars (4-11) and the sliding grooves (1-3), and the two groups of pillars (4-11) are fixed with the pressure chamber (2-1).
6. The device for detecting the moisture content of the material for microwave technology according to claim 5, wherein: the two groups of pressure chambers (2-1) respectively comprise pressure plates (2-11) fixed with the pillars (4-11) and compression airbags (2-12) connected with the pressure plates (2-11), the pressure plates (2-11) are positioned above the compression airbags (2-12), and the pressure plates (2-11) are connected with the vertical plates (1-1) in a sliding mode.
7. The device for detecting the moisture content of the material for microwave technology according to claim 1, wherein: the centrifugal ball is characterized in that the fixed shell (4-1) is of a hollow sphere structure, a positioning groove is formed in the lower end of the fixed shell (4-1), the inner end face of the fixed shell (4-1) is a magnetic embedding end face, a plurality of groups of rotating plates (4-21) are arranged on the outer surface of the centrifugal ball (4-2), the plurality of groups of rotating plates (4-21) are rotatably connected with the fixed shell (4-1), and the end faces, in contact with the fixed shell (4-1), of the plurality of groups of rotating plates (4-21) are magnetic embedding end faces.
8. The device for detecting moisture content in material for microwave technology according to claim 7, wherein: the centrifugal ball (4-2) is of a hollow sphere structure, a screen plate (4-22) is arranged inside the centrifugal ball (4-2), a plurality of groups of one-way exhaust holes (4-23) are formed in the centrifugal ball (4-2), a positioning block (4-24) is arranged at the lower end of the centrifugal ball (4-2), and the positioning block (4-24) is located in a positioning groove.
9. The device for detecting moisture content in material for microwave technology according to claim 8, wherein: a plurality of groups of baffles (4-25) are arranged on the plurality of groups of unidirectional exhaust holes (4-23), a plurality of groups of unidirectional exhaust holes (4-23) are internally provided with air baffles (4-26), and the plurality of groups of baffles (4-25) block the air baffles (4-26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234887.2A CN112325574B (en) | 2020-04-28 | 2020-04-28 | Material moisture content detection device for microwave technology |
| CN202011234888.7A CN112326496B (en) | 2020-04-28 | 2020-04-28 | Material moisture content detection device for microwave technology |
| CN202010348613.XA CN111426703B (en) | 2020-04-28 | 2020-04-28 | Material moisture content detection device for microwave technology |
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| CN202010348613.XA CN111426703B (en) | 2020-04-28 | 2020-04-28 | Material moisture content detection device for microwave technology |
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| CN202011234888.7A Division CN112326496B (en) | 2020-04-28 | 2020-04-28 | Material moisture content detection device for microwave technology |
| CN202011234887.2A Division CN112325574B (en) | 2020-04-28 | 2020-04-28 | Material moisture content detection device for microwave technology |
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- 2020-04-28 CN CN202010348613.XA patent/CN111426703B/en active Active
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| Publication number | Publication date |
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| CN111426703A (en) | 2020-07-17 |
| CN112326496B (en) | 2022-07-19 |
| CN112325574A (en) | 2021-02-05 |
| CN112326496A (en) | 2021-02-05 |
| CN112325574B (en) | 2022-08-12 |
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