CN108548357B - Dynamic multi-temperature-zone application method based on induction refrigeration - Google Patents
Dynamic multi-temperature-zone application method based on induction refrigeration Download PDFInfo
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- CN108548357B CN108548357B CN201810336045.4A CN201810336045A CN108548357B CN 108548357 B CN108548357 B CN 108548357B CN 201810336045 A CN201810336045 A CN 201810336045A CN 108548357 B CN108548357 B CN 108548357B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/003—Transport containers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
- F25D23/063—Walls defining a cabinet formed by an assembly of panels
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Abstract
The invention relates to the field of machinery, in particular to a dynamic multi-temperature-zone application method based on induction refrigeration. The base frame comprises a conversion part, the conversion part is plate-shaped, two sides of the plate-shaped structure can be rotatably arranged on the base frame through a rotating shaft, the conversion part comprises a handle, and the handle can rotate to the inside or the outside of the base frame along with the rotating shaft; when the handle is positioned in the frame body, the handle can abut against the lower part of the basic frame body pressed from the upper part; a plurality of frameworks are placed in an overlapping mode, the bottom of each basic framework is pressed on a handle located inside the framework, and the basic framework is prevented from being sleeved with the basic framework to extrude fruits.
Description
Technical Field
The invention relates to the field of machinery, in particular to a dynamic multi-temperature-zone application method based on induction refrigeration.
Background
The defects of the prior art are as follows:
items in the transport vehicle are easily pressed;
the cold air is difficult to be rapidly transmitted to the articles;
the transportation frame is generally not provided with a handle, and the frame with the handle occupies space;
three-dimensional modeling cannot be carried out, the temperature of each part cannot be accurately controlled, temperature measurement cables cannot be arranged like grain condition temperature measurement due to the fact that temperature sensors are difficult to install, and a frame cannot be placed into the temperature measurement cables due to the fact that space is occupied;
the temperature cannot be controlled accurately.
Disclosure of Invention
The purpose of the invention is as follows: in order to provide a dynamic multi-temperature-zone refrigeration device based on induction refrigeration with better effect, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first scheme is as follows:
the dynamic multi-temperature-zone refrigeration device based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of the plate-shaped structure can be rotatably arranged on the basic frame body through a rotating shaft, the conversion part comprises a handle, and the handle can rotate to the inside or the outside of the basic frame body along with the rotating shaft; the handle can be used as a handle for lifting the frame when the handle is outside the basic frame, and can be abutted against the lower part of the basic frame pressed from the upper part when the handle is positioned in the frame.
The invention further adopts the technical scheme that the basic frame body comprises a vertical pipe, the vertical pipe penetrates through the basic frame body and comprises an upper outlet of the vertical pipe and a lower outlet of the vertical pipe, the upper outlet of the vertical pipe and the lower outlet of the vertical pipe can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced.
The invention further adopts the technical scheme that the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and after the transverse pipe outlet and the transverse pipe inlet are matched and spliced, the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned.
The invention has the further technical scheme that the parts of the vertical pipes and the transverse pipes facing the inside of the frame on the basic frame body comprise a plurality of air distribution holes.
The invention has the further technical scheme that a temperature sensor is arranged in the basic frame body.
The invention has the further technical scheme that the vertical pipe and the transverse pipe are connected with a temperature control air source.
The invention has the further technical scheme that the basic frame bodies comprise a plurality of frame bodies which are inserted into each other and then are arranged in a carriage, and the carriage comprises a rotary air supply outlet.
The invention further adopts the technical scheme that one side of the basic frame body comprises a tiltable side wall, the lower part of the side wall is hinged at the bottom of the basic frame body, the side wall comprises a plurality of holes, the side of the basic frame body comprises mounting holes, screws can be inserted into the mounting holes, and the screws are fixed in the holes in the side wall to fix the side wall.
Scheme II:
the dynamic multi-temperature-zone refrigeration method based on induction refrigeration is characterized in that the device comprises the following steps,
when the frame body needs to be lifted, the handle is placed outside the basic frame body, and when the frame body is stacked, the handle is placed inside the basic frame body and can abut against the lower part of the basic frame body pressed from the upper part, so that the fruit in the basic frame body is prevented from being extruded.
The invention has the further technical scheme that when the plurality of frame bodies are arranged in the carriage, the sensors in the plurality of basic frame bodies can form a three-dimensional temperature dynamic diagram; establishing a data association set for the sensors by using a distributed data fusion technology, establishing a central node fusion algorithm, and determining a time sequence queue for data acquisition in the vehicle-mounted sensors, so as to acquire and process sensor data in the transportation process of the refrigerated truck; establishing a heat transfer model of the multi-temperature-zone refrigerator car, establishing a three-dimensional discrete data field as basic analysis data by utilizing a numerical method of sensor temperature data discretization, Computational Fluid Dynamics (CFD), a speed field and a temperature field principle, and establishing a spatial database; selecting characteristic data nodes, introducing a Support Vector Machine (SVM) algorithm into a surface fitting process, constructing a space temperature field model with time sequence characteristics, and establishing a temperature field mode library;
establishing a k-epsilon three-dimensional turbulence temperature field model by using Fluent software according to the heat conductivity coefficient of the inner wall of the refrigerated vehicle and the fluctuation condition of a temperature field, setting boundary conditions and establishing a virtual turbulence boundary of a temperature interval; carrying out comparison numerical simulation test analysis by using a thermal balance method, reasonably dividing a multi-temperature area of the refrigerator carriage by a reflection principle, and taking the multi-temperature area as a decision basis for dynamic adjustment and temperature control of the multi-temperature area;
the temperature data collected by the sensor is used as the basis for sensing the change of the temperature field, and a refrigerating and air supply scheme of the refrigerator car is formulated according to the space circulating motion state of the temperature field, so that automatic refrigeration and rotary air supply based on a sensing mode are realized, and the multi-temperature-zone control efficiency of the refrigerator car is improved.
Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: when the handle is positioned in the frame body, the handle can abut against the lower part of the basic frame body pressed from the upper part; by adopting the structure, the frame body is provided with the handle which can be hidden, meanwhile, the handle facing the inside of the basic frame body can prevent the box body from pressing down the objects in the box below, and when the box is moved, the handle is lightened outwards from moving downwards. The problems of original movement and object extrusion are solved.
Drawings
To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a basic frame in a vehicle body;
FIG. 2 is a schematic view of the handle at the rim of the frame;
FIG. 3 is a technical roadmap for this patent;
FIG. 4 is a control platform interface schematic A;
FIG. 5 is a control platform interface schematic B;
wherein: 1. a base frame body; 2. a vertical tube; 3. a transverse tube; 4. a vertical tube lower outlet; 5. a conversion section; 6. mounting holes; 7. a side plate; 8. a transverse tube outlet; 9. a handle; 10. a rotating shaft.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings, which are not intended to limit the invention:
the first scheme is as follows:
the dynamic multi-temperature-zone refrigeration device based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of the plate-shaped structure can be rotatably arranged on the basic frame body through a rotating shaft, the conversion part comprises a handle, and the handle can rotate to the inside or the outside of the basic frame body along with the rotating shaft; the handle can be used as a handle for lifting the frame when the handle is outside the basic frame, and can be abutted against the lower part of the basic frame pressed from the upper part when the handle is positioned in the frame. The technical scheme of the invention has the following substantial technical effects and the realization process: when the handle is positioned in the frame body, the handle can abut against the lower part of the basic frame body pressed from the upper part; by adopting the structure, the frame body is provided with the handle which can be hidden, meanwhile, the handle facing the inside of the basic frame body can prevent the box body from pressing down the objects in the box below, and when the box is moved, the handle is lightened outwards from moving downwards. The problems of original movement and object extrusion are solved.
The basic frame body comprises a vertical pipe, the vertical pipe penetrates through the basic frame body and comprises an upper vertical pipe outlet and a lower vertical pipe outlet, the upper vertical pipe outlet and the lower vertical pipe outlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced. The technical scheme of the invention has the following substantial technical effects and the realization process: in the process of fruit and aquatic product transportation, what afraid of is exactly to fall the case, because the car is the motion, original case often has some to fall from the higher authority, adopts this kind of structure, can not fall, still makes the case fixed firm.
The basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced. The technical scheme of the invention has the following substantial technical effects and the realization process: by adopting the structure, the integral box body can be fixed into a whole, and the fixing effect is better.
The vertical pipe and the horizontal pipe contain a plurality of air distributing holes on the basic frame body facing the inside of the frame. The technical scheme of the invention has the following substantial technical effects and the realization process: by adopting the structure, the following effects are creatively achieved: A. cold air can be directly blown into the box through the plurality of air distribution holes; B. the basic frame body can be cleaned by pumping water into the air distribution holes.
And a temperature sensor is arranged in the basic frame body. The technical scheme of the invention has the following substantial technical effects and the realization process: the defects are aimed at: "three-dimensional modeling cannot be performed, the temperature of each part cannot be accurately controlled, temperature measurement cables cannot be arranged like grain condition temperature measurement due to the fact that temperature sensors are difficult to install, and a frame cannot be placed into the temperature measurement cables due to the fact that space is occupied; "; by adopting the structure, a plurality of sensors can be conveniently arranged in the vehicle body, a cable is not needed, but a built-in temperature sensor of the Internet of things is adopted, a three-dimensional temperature image can be formed, and the structure is more vivid and accurate.
The vertical pipe and the transverse pipe are connected with a temperature control air source. The basic frame body comprises a plurality of basic frame bodies, the basic frame bodies are inserted into each other and then are arranged in a carriage, and the carriage comprises a rotary air supply outlet.
With reference to fig. 1, one side of the basic frame body comprises a tiltable side wall, the lower part of the side wall is hinged at the bottom of the basic frame body, the side wall comprises a plurality of holes, the side of the basic frame body comprises mounting holes, screws can be inserted into the mounting holes, and the screws are fixed in the holes on the side wall to fix the side wall. The technical scheme of the invention has the following substantial technical effects and the realization process: by adopting the structure, the volume of the basic frame body can be changed, and the frame body is further more flexible to use.
Scheme II:
the dynamic multi-temperature-zone refrigeration method based on induction refrigeration is characterized in that the device comprises the following steps,
when the frame body needs to be lifted, the handle is placed outside the basic frame body, and when the frame body is stacked, the handle is placed inside the basic frame body and can abut against the lower part of the basic frame body pressed from the upper part, so that the fruit in the basic frame body is prevented from being extruded. By adopting the structure, the rotten fruit rate of the transported fruits is reduced by 70 percent.
The invention has the further technical scheme that when the plurality of frame bodies are arranged in the carriage, the sensors in the plurality of basic frame bodies can form a three-dimensional temperature dynamic diagram; establishing a data association set for the sensors by using a distributed data fusion technology, establishing a central node fusion algorithm, and determining a time sequence queue for data acquisition in the vehicle-mounted sensors, so as to acquire and process sensor data in the transportation process of the refrigerated truck; establishing a heat transfer model of the multi-temperature-zone refrigerator car, establishing a three-dimensional discrete data field as basic analysis data by utilizing a numerical method of sensor temperature data discretization, Computational Fluid Dynamics (CFD), a speed field and a temperature field principle, and establishing a spatial database; selecting characteristic data nodes, introducing a Support Vector Machine (SVM) algorithm into a surface fitting process, constructing a space temperature field model with time sequence characteristics, and establishing a temperature field mode library;
establishing a k-epsilon three-dimensional turbulence temperature field model by using Fluent software according to the heat conductivity coefficient of the inner wall of the refrigerated vehicle and the fluctuation condition of a temperature field, setting boundary conditions and establishing a virtual turbulence boundary of a temperature interval; carrying out comparison numerical simulation test analysis by using a thermal balance method, reasonably dividing a multi-temperature area of the refrigerator carriage by a reflection principle, and taking the multi-temperature area as a decision basis for dynamic adjustment and temperature control of the multi-temperature area;
the temperature data collected by the sensor is used as the basis for sensing the change of the temperature field, and a refrigerating and air supply scheme of the refrigerator car is formulated according to the space circulating motion state of the temperature field, so that automatic refrigeration and rotary air supply based on a sensing mode are realized, and the multi-temperature-zone control efficiency of the refrigerator car is improved.
It should be noted that the following protection contents can also be included in the present patent.
The dynamic multi-temperature-zone pressure-proof method based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably arranged on the basic frame body through a rotating shaft, the conversion part comprises a handle, and the handle can rotate to the inside or the outside of the basic frame body along with the rotating shaft; when the handle is positioned in the frame body, the handle can abut against the lower part of the basic frame body pressed from the upper part; a plurality of frameworks are placed in an overlapping mode, the bottom of each basic framework is pressed on a handle located inside the framework, and the basic framework is prevented from being sleeved with the basic framework to extrude fruits.
The dynamic multi-temperature-zone direct cooling method based on induction refrigeration comprises a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, the basic frame body comprises a vertical pipe, the vertical pipe penetrates through the basic frame body and comprises an upper outlet of the vertical pipe and a lower outlet of the vertical pipe, the upper outlet of the vertical pipe and the lower outlet of the vertical pipe can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced; the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced; the parts of the vertical pipes and the transverse pipes facing the inside of the frame on the basic frame body comprise a plurality of air distribution holes; all blow in gas from the tip of vertical pipe and horizontal pipe, can directly be with cold air leading-in to basic frame in, carry out direct cooling, need not special cooling tube, two unifications of cooling tube and fixed knot structure.
The cleaning method of the dynamic multi-temperature zone based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, the basic frame body comprises a vertical pipe, the vertical pipe penetrates through the basic frame body and comprises an upper outlet of the vertical pipe and a lower outlet of the vertical pipe, the upper outlet of the vertical pipe and the lower outlet of the vertical pipe can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced; the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced; the parts of the vertical pipes and the transverse pipes facing the inside of the frame on the basic frame body comprise a plurality of air distribution holes; liquid is driven into the end parts of the vertical pipe and the transverse pipe, and the basic frame body is directly cleaned.
The box body bundling method of the dynamic multi-temperature zone based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, the basic frame body comprises vertical pipes, the vertical pipes penetrate through the basic frame body and comprise vertical pipe upper outlets and vertical pipe lower outlets, the vertical pipe upper outlets and the vertical pipe lower outlets can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced; the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced; after the plugging, a plurality of basic frame bodies are integrated, so that the integrated structure is more stable and the fixation is more stable.
The box body capacity changing method of the dynamic multi-temperature zone based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of the plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, one side of the basic frame body comprises a tiltable side wall, the lower portion of the side wall is hinged to the bottom of the basic frame body, the side wall comprises a plurality of holes, the side of the basic frame body comprises an installation hole, a screw can be inserted into the installation hole, and the side wall can be fixed in the hole in the side wall through the screw. Through fixing the screw in the mounting hole of difference, the screw passes the mounting hole and can change the hole of lateral wall and fix the lateral wall, adopts this kind of structure, can change the volume of basic framework, further makes the framework use more nimble.
It should be noted that the sensor herein is a temperature sensor, which is connected to the central control portion through a wireless device to feed back the temperature of each local part at any time.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a transport vechicle. Some details are not shown in the figures.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
As an optional and optional further embodiment development of this patent;
aiming at the complex problem of severe temperature fluctuation in the multi-temperature-zone transportation process, a refrigerated vehicle is used as a research object, temperature monitoring in the cold chain transportation process is used as a research background, a space discrete database and Support Vector Machine (SVM) model is constructed to reasonably distribute the sensors, a space temperature field is established to dynamically monitor and adjust the multi-temperature zone, and a numerical simulation experiment and a steady-state distributed parameter model are utilized to realize an induction type intelligent temperature control platform. In the academic aspect, an innovative dynamic space temperature field model is provided for the intelligent control and adjustment of the multi-temperature-zone refrigerator car by utilizing various mathematical methods; in the technical aspect, an intelligent control platform is constructed by using a test and simulation method aiming at the refrigeration, temperature control and air supply modes of the refrigerated vehicle, and technical innovations such as induction refrigeration, rotary air control and the like are realized.
The first part is based on multi-sensor optimization of space management for station arrangement and processing. A simulation model is established for the refrigerated carriage, a space interface is established and selected by utilizing a sensor coverage coefficient, and a sensor network three-dimensional topological model is established. Carrying out optimization design on the sensor station arrangement through an experimental method and a data simulation platform; and collecting and processing the sensor data by using a data fusion algorithm.
And (5) space management station arrangement. Setting up element temperature testing positions according to a three-dimensional topological model of the sensor network, adopting a batch estimation algorithm for the average value of multiple groups of data through an experimental method, using a space interface to manage the number of sensors to be decreased layer by layer, and using an inverse distance weighted interpolation algorithm to perform optimized setting on the sensor layout.
A multi-source data fusion and optimization method. A data association set is established for the sensors by utilizing a distributed data fusion technology, a central node fusion algorithm is established, and a time sequence queue for data acquisition in the vehicle-mounted sensors is determined, so that the data of the sensors in the transportation process of the refrigerator car is acquired and processed.
The second part is based on spatial temperature field imaging of three-dimensional discrete data. A heat transfer model of the multi-temperature-zone refrigerator car is established through analysis of multi-temperature-zone influence factors of the refrigerator car, a three-dimensional discrete data field is established as basic analysis data by utilizing a numerical method of sensor temperature data discretization, Computational Fluid Dynamics (CFD), a speed field and a temperature field principle, and a spatial database is established. Selecting characteristic data nodes, introducing a Support Vector Machine (SVM) algorithm into a surface fitting process, constructing a space temperature field model with time sequence characteristics, and establishing a temperature field mode library.
And the third part is based on multi-temperature zone dynamic control of a turbulence model. According to the heat conductivity coefficient of the inner wall of the refrigerator van and the fluctuation condition of the temperature field, a k-epsilon three-dimensional turbulence temperature field model is established by using Fluent software, boundary conditions are set, and a virtual turbulence boundary of a temperature interval is established. A thermal balance method is utilized to carry out comparison numerical simulation test analysis, a specific type of partition plate is selected, a multi-temperature zone of the refrigerator carriage is reasonably divided through a reflection principle, and the multi-temperature zone is used as a decision basis for dynamic adjustment and temperature control of the multi-temperature zone.
And the fourth part is a refrigeration and air supply technology and scheme based on a temperature field induction mode. The temperature data collected by the sensor is used as the basis for sensing the change of the temperature field, and a refrigerating and air supply scheme of the refrigerator car is formulated according to the space circulating motion state of the temperature field, so that automatic refrigeration and rotary air supply based on a sensing mode are realized, and the multi-temperature-zone control efficiency of the refrigerator car is improved.
And (5) induction cooling. Due to the interaction of the thermal force field and the energy field, the temperature field circulates in a fluctuation state, and a space temperature field model is constructed by utilizing sensor data. And performing matching analysis according to the temperature field mode library to form a refrigeration strategy taking the space temperature field as an induction mode, thereby realizing high-efficiency refrigeration.
And (5) rotating to supply air. And designing the position of an air supply outlet according to a multi-temperature-zone division scheme of the refrigerator carriage and by combining hydromechanics and speed field distribution conditions. Placing a sliding wheel track and designing a rotary air supply outlet. And carrying out balance type analysis on the temperature field distribution by using a steady-state distributed parameter model, and setting an air supply outlet scheme to accurately supply air to the multi-temperature-zone interval of the refrigerator carriage.
And the fifth part is based on a data transmission scheme of the WSN and an intelligent temperature control platform. The WSN topological structure is designed according to the self-organizing network theory through the configuration of the logic sensors in the sensing tags, a WSID network architecture is formed by adopting a Tree + Z-AODV routing algorithm and a ZigBee protocol based on a routing method of data characteristics, the integration of wireless sensor networks is established, and the remote connection of data is realized. And establishing an intelligent temperature control center based on the temperature field mode library, performing real-time modeling and analysis on the circulating state of the temperature field of the refrigerated carriage in the transportation process, realizing remote control on refrigeration equipment and an air supply outlet of the refrigerated carriage, and constructing an intelligent control platform. The research relates to multiple disciplines such as system modeling, wireless communication technology, mechanical design and the like. Therefore, a plurality of methods and means are comprehensively integrated and mutually verified, the scientificity of research work and the reliability of research conclusion are ensured, and research is carried out according to the thought of 'demand analysis- > data acquisition- > perception model- > control strategy'.
And adjusting multiple temperature zones of the refrigerator car and analyzing the requirements of refrigeration, air supply and control strategies. The method comprises the steps of investigating main influence factors influencing the temperature regulation and control of the refrigerator car with the multiple temperature zones through methods of data collection such as field investigation, expert interview, literature analysis and the like, analyzing the mutual influence and restriction relation among the influence factors, and carrying out demand analysis on the temperature control of the refrigerator car from the perspective of refrigeration and air supply strategies.
And (4) space management of a multi-temperature zone of the refrigerator car. And carrying out physical modeling treatment on the refrigerator carriage, and setting a full-coverage section according to the sensor coverage coefficient to form a space topological structure of the sensor. And optimizing the layout of the sensors by utilizing a space management mode and an Inverse Distance weighted interpolation to aPower (Inverse Distance to aPower) algorithm, and optimizing the layout of the sensors through multiple times of numerical simulation test analysis to establish the optimal layout of the sensors of the refrigerator van.
And (5) acquiring and optimizing sensor data. And performing redundancy removal and structure consistency processing on the sensor data by using a data fusion algorithm to form a simplest set of temperature data. And constructing an optimal data set by discretizing the data and combining the fused rule association mapping function. A data management middleware based on an AR (p) model and a mean value recurrence theory is designed and realized, data interaction and management with a sensor and supporting equipment are realized, and the complexity of front-end hardware is shielded.
The spatial temperature field is constructed and the sensing mode is set. Establishing boundary conditions, a speed field and an airflow field model according to a cold chain environment, constructing a k-epsilon three-dimensional turbulence temperature field model, utilizing an experiment and simulation system to fluctuate the temperature in the transportation process of the refrigerator car, establishing a temperature field mode recognition library, and collecting and arranging temperature data.
Dynamic regulation of multiple temperature zones and refrigeration and air supply technology. The refrigerator car temperature zone is dynamically adjusted according to the characteristics of perishable foods, a transportation path and the principles of a heat conduction model, hydrodynamics and a velocity field. Through analyzing the steady state distribution function of the three-dimensional temperature field, the refrigeration rate and the air supply speed are calculated, so that the rotating wind direction of the air supply outlet is effectively adjusted, the air supply rate is formulated, and the aim of effectively and accurately controlling the temperature is fulfilled.
And the data transmission and intelligent control platform. And the WSN technology is combined with a Zigbee protocol to effectively identify the sensor data nodes and establish a data real-time acquisition scheme and a wireless remote communication platform. And a central processor and a processing module are constructed, task deployment is formulated, and data is subjected to redundancy removal processing, so that an accurate and real-time intelligent control platform is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.
Claims (3)
1. The dynamic multi-temperature-zone direct cooling method based on induction refrigeration comprises a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, the basic frame body comprises a vertical pipe, the vertical pipe penetrates through the basic frame body and comprises an upper outlet of the vertical pipe and a lower outlet of the vertical pipe, the upper outlet of the vertical pipe and the lower outlet of the vertical pipe can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced; the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced; the parts of the vertical pipes and the transverse pipes facing the inside of the frame on the basic frame body comprise a plurality of air distribution holes; all blow in gas from the tip of vertical pipe and horizontal pipe, can directly be with cold air leading-in to basic frame in, carry out direct cooling, need not special cooling tube, two unifications of cooling tube and fixed knot structure.
2. The cleaning method of the dynamic multi-temperature zone based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, the basic frame body comprises a vertical pipe, the vertical pipe penetrates through the basic frame body and comprises an upper outlet of the vertical pipe and a lower outlet of the vertical pipe, the upper outlet of the vertical pipe and the lower outlet of the vertical pipe can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced; the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced; the parts of the vertical pipes and the transverse pipes facing the inside of the frame on the basic frame body comprise a plurality of air distribution holes; liquid is driven into the end parts of the vertical pipe and the transverse pipe, and the basic frame body is directly cleaned.
3. The box body bundling method of the dynamic multi-temperature zone based on induction refrigeration is characterized by comprising a basic frame body, wherein the basic frame body comprises a conversion part, the conversion part is plate-shaped, two sides of a plate-shaped structure can be rotatably installed on the basic frame body through a rotating shaft, the basic frame body comprises vertical pipes, the vertical pipes penetrate through the basic frame body and comprise vertical pipe upper outlets and vertical pipe lower outlets, the vertical pipe upper outlets and the vertical pipe lower outlets can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked after being matched and spliced; the basic frame body comprises a transverse pipe, the transverse pipe penetrates through the basic frame body and comprises a transverse pipe outlet and a transverse pipe inlet, the transverse pipe outlet and the transverse pipe inlet can be matched and spliced, and the upper basic frame body and the lower basic frame body can be stacked left and right and are oppositely aligned after being matched and spliced; after the plugging, a plurality of basic frame bodies are integrated, so that the integrated structure is more stable and the fixation is more stable.
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| CN201810336045.4A CN108548357B (en) | 2016-08-04 | 2016-08-04 | Dynamic multi-temperature-zone application method based on induction refrigeration |
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| CN201810336045.4A CN108548357B (en) | 2016-08-04 | 2016-08-04 | Dynamic multi-temperature-zone application method based on induction refrigeration |
| CN201610628795.XA CN106091529B (en) | 2016-08-04 | 2016-08-04 | Dynamic multi-temperature zone cold storage plant and method based on induction refrigeration |
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| CN202010007176.5A Active CN111174500B (en) | 2016-08-04 | 2016-08-04 | Dynamic multi-temperature-zone variable-volume box based on induction refrigeration |
| CN201610628795.XA Active CN106091529B (en) | 2016-08-04 | 2016-08-04 | Dynamic multi-temperature zone cold storage plant and method based on induction refrigeration |
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| CN201610628795.XA Active CN106091529B (en) | 2016-08-04 | 2016-08-04 | Dynamic multi-temperature zone cold storage plant and method based on induction refrigeration |
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| CN107839581B (en) * | 2017-09-05 | 2020-01-10 | 鲁东大学 | Automatic control feedback carriage and method based on temperature field three-dimensional imaging |
| CN111176172A (en) * | 2019-12-31 | 2020-05-19 | 天津津滨信钥信息技术有限公司 | Logistics environment equipment control method, device, equipment and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106091529A (en) | 2016-11-09 |
| CN108548357A (en) | 2018-09-18 |
| CN111174500A (en) | 2020-05-19 |
| CN106091529B (en) | 2018-08-17 |
| CN111174500B (en) | 2021-07-23 |
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