Concave-structure-based wagon box integrated heat preservation transportation equipment, method and equipment and medium

Abstract

The invention relates to the technical field of heat preservation transportation, in particular to carriage integrated heat preservation transportation equipment based on a concave structure, a method, equipment and a medium. The equipment comprises a frame and a heat preservation box, and the middle of the frame is provided with a downwards-concave bearing structure area; the heat preservation box comprises a lower box body and an upper box body, the lower box body is arranged in the bearing structure area, the bottom face of the lower box body is connected with the bearing framework in a welded mode, and the upper box body and the lower box body are detachably buckled through a locking mechanism to jointly define a sealed heat preservation cargo hold. A temperature regulation and control system is arranged on the frame and comprises a control unit, a temperature sensor, a cooling and heating two-mode air conditioner, a heating device and a power generation device; the control unit can obtain a speed signal of the tractor and control the air conditioner and the heating device to operate according to the speed and the internal and external temperature information. The temperature of the cargo hold can be dynamically and accurately regulated and controlled while the bearing and heat preservation performance is enhanced, and the problems that space is insufficient and temperature fluctuation is large in the transportation process of high and large cargoes are solved.

Description

Technical Field

[0001] This application relates to the field of thermal insulation transportation technology, specifically to an integrated thermal insulation transportation equipment, method, device, and medium based on a concave structure. Background Technology

[0002] In sectors with stringent requirements for transportation environments, such as food, pharmaceuticals, chemicals, and precision instruments, refrigerated transport equipment is a crucial element in ensuring cargo quality and safety. As cargo shapes become larger and more valuable, the market has two core demands for transport equipment: first, how to maximize loading space within height restrictions to accommodate oversized cargo; and second, how to achieve precise and stable temperature control in the cargo hold during long-distance, variable-condition transport.

[0003] To address these needs, existing technologies have primarily developed two typical solutions. One involves installing a subframe on a complete truck chassis and then fixing an independent insulated container onto it, using the container's built-in refrigeration or heating units for temperature regulation. The other involves using a low-flatbed semi-trailer to transport standard refrigerated containers or customized insulated boxes, relying on integrated temperature control equipment within the container and drawing power from the tractor unit during operation to maintain the internal temperature. Both approaches attempt to achieve the basic goal of insulated cargo transportation by adding functional modules to general-purpose transport vehicles.

[0004] However, the above-mentioned equipment solutions for insulated transportation have significant limitations when transporting oversized cargo and requiring high-precision temperature control: Due to its inherent structure, the chassis of a cargo truck has a relatively high ground clearance for its main beam. Adding a subframe and insulated box further encroaches on the overall vehicle height, severely limiting the usable interior height when transporting tall cargo. Whether it's a cargo truck or a low-flatbed semi-trailer, the frame (or flatbed) and insulated box are independent components, primarily connected by bolts or supported by pads. This split structure, under long-term concentrated loads and transport bumps, is prone to stress concentration and micro-deformation at the joints. This not only affects structural durability but also creates significant thermal bridges between the box and frame, disrupting insulation continuity and increasing heat loss. Furthermore, the split, non-permanently fixed design leads to… Temperature control equipment (such as generators and air conditioning units) cannot be stably and directly integrated into the main frame structure. These devices often have to be attached to the outside of the detachable cargo box or installed separately on temporary supports of the frame, resulting in a loose system layout, large vibrations, and complex and lengthy pipeline connections. This reduces the reliability and service life of the equipment and makes daily maintenance extremely inconvenient. In terms of temperature control, existing temperature control systems mostly rely on preset programs or manual adjustments, making it difficult to respond in real time to the dynamic impact of multiple factors such as changes in vehicle speed and drastic fluctuations in external ambient temperature on the heat load of the cargo box. This results in large fluctuations in the internal temperature of the insulated cargo compartment, and insufficient temperature control accuracy and stability. Summary of the Invention

[0005] To address the technical problems of existing insulated transport equipment solutions, which suffer from limited loading space, thermal bridges, and difficulty in securely integrating high-power temperature control equipment due to chassis height and detachable connection methods, and whose temperature control systems cannot respond to vehicle speed changes to achieve precise dynamic adjustment, this application provides an integrated insulated transport equipment, method, device, and medium based on a concave structure. By welding the concave frame and the lower box body together and integrating an intelligent temperature control system that can acquire vehicle speed signals, this solution simultaneously maximizes loading space, optimizes structural strength and insulation performance, ensures reliable equipment integration, and achieves high-precision and stable temperature control during transportation within limited dimensions.

[0006] In a first aspect, this application provides an integrated insulated transport equipment based on a concave structure, including a frame and an insulated box; The front end of the frame is equipped with a towing pin for connecting to the tractor, and the middle of the frame has a recessed load-bearing structure area, the length of which is not less than the length of the lower box. The insulated box includes a lower box and an upper box. The lower box is located in the recessed load-bearing structure area, and the bottom surface of the lower box is welded to the load-bearing frame of the vehicle frame in the load-bearing structure area. The upper container is fastened to the lower container and is detachably connected to the lower container through a locking mechanism, so that the upper and lower containers together form a sealed, insulated cargo compartment. The chassis is equipped with a temperature control system, which includes a control unit, a temperature sensor located in the lower compartment, a dual-mode air conditioner (heating and cooling), a heating device, and a power generation device that supplies power to the dual-mode air conditioner and the heating device. Both the dual-mode air conditioner and the heating device are used to regulate the temperature inside the insulated cargo compartment. The dual-mode (heating and cooling) air conditioner is connected to the lower casing via ventilation ducts. The control unit is connected to the temperature sensor signal and is also connected to the dual-mode air conditioner and heating device control, and is configured to acquire the vehicle speed signal of the tractor.

[0007] It should be further noted that the load-bearing frame in the load-bearing structure area of ​​the vehicle frame includes a pair of main longitudinal beams, which are connected by several main cross beams. The connection between the main cross beams and the main longitudinal beams is by welding. Each main longitudinal beam is provided with a side beam on its outer side. The side beam is connected to the adjacent main longitudinal beam through several secondary cross beams. The connection between the secondary cross beams and the main longitudinal beams, and between the secondary cross beams and the side beams, is all by welding. The length direction of the main longitudinal beams and side beams is parallel to the overall length direction of the vehicle frame; The main longitudinal beams are box-shaped beams, and the side beams are I-shaped beams.

[0008] It should be further noted that a sealing base plate is welded to the bottom surface of the load-bearing frame in the load-bearing structural area of ​​the vehicle frame. The sealing base plate is a thin steel plate.

[0009] It should be further explained that the space between the bottom surface of the lower box and the sealing bottom plate is filled with polyurethane insulation material to fill the gaps outside the load-bearing frame, forming the first insulation layer.

[0010] It should be further noted that the lower box body includes a lower box body frame made of square tubes, and the lower box body frame includes a lateral part and a bottom part; The lower housing also includes a lower outer skin and a lower inner skin. The lower outer skin is fixed to the outer side of the lateral portion and the bottom portion, and the lower inner skin is fixed to the inner side of the lateral portion. In the space between the lower outer skin and the lower inner skin of the lateral section, polyurethane insulation material is filled into the gaps outside the lower box frame to form a second insulation layer.

[0011] It should be further noted that the upper surface of the bottom part of the lower box frame is covered with thermal break, which is made of PVC high-strength board. The thermal break is covered with the inner floor of the insulated cargo compartment, which is made of steel plate. In the space between the thermal break and the lower outer skin, polyurethane insulation material is used to fill the gaps outside the lower box frame.

[0012] It should be further noted that the upper box body includes an upper box body frame made of square tubes, and the upper box body frame includes a side part and a top part. The upper box also includes an upper outer skin fixed to the outside of the upper box frame and an upper inner skin fixed to the inside of the upper box frame. The space between the upper outer skin and the upper inner skin is filled with polyurethane insulation material to form a third insulation layer outside the upper box frame.

[0013] It should be further noted that the dual-mode air conditioner, heating device, power generation device, and control unit are integrated and installed on the platform at the rear of the vehicle frame; The heating device is a fuel oil heater; The power generation device is a diesel generator or a fuel cell.

[0014] It should be further noted that the vehicle speed signal is transmitted to the control unit via a vehicle speed signal communication line located between the tractor and the chassis.

[0015] Secondly, this application provides a method for controlling integrated insulated transport of a vehicle body based on a concave structure, using the aforementioned integrated insulated transport equipment, comprising the following steps: S1. Real-time data collection of vehicle speed and external ambient temperature of the insulated box, and temperature sensor detection of internal temperature of the insulated cargo compartment; S2. Based on the vehicle speed signal and the external ambient temperature of the insulated box, calculate the trend of the equivalent ambient temperature change of the outer wall of the insulated box; S3. Compare and analyze the equivalent ambient temperature of the outer wall of the insulated box with the internal temperature of the insulated cargo compartment, and generate control commands for the power generation device, the dual-mode air conditioning system and the heating device based on the analysis results; S4. Execute control commands to control the operation of the power generation unit, the dual-mode air conditioning system and the heating unit, and to regulate and stabilize the temperature inside the insulated cargo hold.

[0016] It should be further explained that, in step S2, calculating the trend of ambient temperature change on the outer wall of the insulation box specifically means calculating the predicted value of the equivalent ambient temperature of the outer wall of the insulation box in the next time step. The calculation formula is:

[0017] in, Indicates the current time The external ambient temperature of the insulated box; Indicates the current time The equivalent ambient temperature of the outer wall of the insulated box is obtained by setting the system temperature during initial system operation. Each subsequent time step is updated using the predicted value from the previous time step; The external wall temperature transfer coefficient is a pre-calibrated coefficient that characterizes the rate of change of the equivalent temperature of the outer wall of the insulation box caused by a unit external wall temperature difference at a unit vehicle speed. The unit is 1 / m. Indicates the current time Real-time vehicle speed data; It represents the step size of a time step.

[0018] It should be further explained that step S3 specifically includes: S301. Calculate the net heat load coefficient inside the insulated cargo compartment. The calculation formula is:

[0019]

[0020] in, This indicates the net heat load coefficient inside the insulated cargo compartment. Indicates the need for cooling. This indicates that heating is required; The absolute value represents the temperature that needs to be regulated inside the insulated cargo compartment; The formula for calculating the real-time temperature deviation inside the warehouse is as follows:

[0021] Indicates the current time Real-time monitoring of the internal temperature of the insulated cargo compartment; This indicates the preset target temperature inside the insulated cargo compartment; This represents the preset external wall temperature difference conversion factor. ; S302. Generate control commands, including: like This indicates a strong cooling demand, generates and starts the generator (104) as the main power source, and controls the dual-mode air conditioner to execute the strong cooling mode control command. like This indicates a moderate net cooling demand, generating control commands powered by the onboard auxiliary battery or the tractor's power system, and controlling the dual-mode air conditioning system to execute a mild cooling mode. like This indicates that the heat load is close to equilibrium, and generates a control command that powers the vehicle's auxiliary battery and puts the dual-mode air conditioning and heating device into the lowest power standby mode. like This indicates a moderate net heating demand, generating control commands to power the vehicle's auxiliary battery or the tractor's power system and activate the heating device for heating. like This indicates a strong demand for clean heating, generating control commands to start the power generation unit as the main power source, and simultaneously controlling the heating unit and the dual-mode air conditioner to operate in coordination. in, This indicates the preset threshold for strong net heat load demand.

[0022] This indicates the preset threshold for moderate net heat load demand. .

[0023] It should be further explained that, The calibration method was determined through calibration experiments. With the dual-mode air conditioning and heating devices turned off, the initial temperature inside the insulated cargo compartment is adjusted to a state with a significant temperature difference from the external environment, allowing the temperature to change naturally; and The monotonic change phases with the same sign are calculated. and The ratio of the rate of change as The value of is expressed as:

[0024] Thirdly, this application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the above-described integrated insulated transport method.

[0025] Fourthly, this application provides a storage medium storing a computer program, which, when executed by a processor, implements the steps of the above-described integrated insulated transport method for vehicle bodies.

[0026] As can be seen from the above technical solutions, this application has the following advantages: 1. This application integrates a recessed load-bearing frame, a welded lower box, a snap-fit ​​upper box, and a temperature control system with integrated vehicle speed signals into a single unit, thereby maximizing cargo loading space, optimizing structural strength and insulation continuity, and achieving high-precision and stable temperature control during transportation within limited external dimensions.

[0027] 2. This application adopts a recessed load-bearing structure area in the middle of the frame, and sets the lower part of the insulated box in this area and directly welds its bottom surface to the frame load-bearing skeleton. This integrates the main load-bearing frame and the bottom structure of the insulated box into a permanent rigid whole, which significantly increases the maximum height of the cargo that can be loaded. At the same time, it fundamentally solves the inherent defects of weak connection strength and easy thermal bridge in traditional split and detachable structures, and improves the load-bearing safety and overall rigidity under local concentrated loads.

[0028] 3. This application provides a stable and dedicated integrated installation platform for the temperature control system through a permanent welded integral structure between the frame and the lower housing. The dual-mode (heating and cooling) air conditioner, heating device, power generation device, and control unit are centrally and securely mounted on the reinforced platform at the rear of the frame. This completely solves the dilemma of high-power equipment in split designs, where the detachable housing leaves "nowhere to put" or only allows for "temporary installation," achieving a high degree of system integration and modularity, and significantly improving the operational reliability and maintenance convenience of the equipment.

[0029] 4. This application achieves a detachable connection between the upper and lower boxes by using a locking mechanism. While ensuring the permanent rigidity of the main structure and the stability of the equipment platform, it enables convenient opening and closing of the cargo hold top, solving the problem of the lack of loading and unloading channels on the top of large insulated boxes. While maintaining the high integration and reliability of the system, it greatly improves the flexibility and efficiency of cargo loading and unloading.

[0030] 5. This application establishes an integrated temperature control system comprising a control unit, a temperature sensor, a dual-mode (heating and cooling) air conditioner, a heating device, and a power generation device. The control unit acquires the tractor speed signal in real time, enabling intelligent predictive control based on multi-source information. This solves the problem of lag and poor accuracy in existing temperature control systems due to neglecting vehicle speed as a key dynamic variable. It can comprehensively judge the heat load trend based on vehicle speed and temperature difference and adjust the equipment output in advance, thereby achieving highly stable temperature control of the insulated cargo compartment in complex transportation environments. Attached Figure Description

[0031] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the description will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the overall structure of an integrated insulated transport equipment with a cargo box in one embodiment of this application.

[0033] Figure 2This is a structural schematic diagram of the frame and lower housing in one embodiment of this application.

[0034] Figure 3 This is a partial cross-sectional schematic diagram of the frame and lower housing in one embodiment of this application.

[0035] Figure 4 This is a schematic diagram of the load-bearing frame of the vehicle frame in the load-bearing structure area in one embodiment of this application.

[0036] Figure 5 This is a partial cross-sectional schematic diagram of the connection position between the upper and lower boxes in one embodiment of this application.

[0037] Figure 6 This is a flowchart of an integrated insulated transportation method for a vehicle body based on a concave structure, according to one embodiment of this application.

[0038] Figure 7 This is a schematic diagram of the hardware structure of an electronic device in one embodiment of this application.

[0039] In the diagram, 101-tractor unit, 102-upper body, 103-control unit, 104-generator, 105-dual-mode air conditioner (heating and cooling), 106-heating device, 107-lower body, 108-frame, 109-temperature sensor, 110-ventilation duct, 111-vehicle speed signal communication line, 201-main longitudinal beam, 202-side beam, 203-main crossbeam, 204-sealed bottom plate, 205-first insulation layer, 206-thermal insulation bridge, 207-cargo compartment floor plate, 301-upper body frame, 302-upper outer skin, 303-third insulation layer, 304-upper inner skin, 305-locking mechanism. Detailed Implementation

[0040] To make the purpose, features, and advantages of this application more apparent and understandable, specific embodiments and accompanying drawings will be used to clearly and completely describe the technical solution protected by this application. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] The integrated insulated transport method for the vehicle body according to this application will be described in detail below. Specific details such as particular system structures and technologies are presented for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of this application. However, those skilled in the art will understand that this application can also be implemented in other embodiments without these specific details.

[0042] In the integrated insulated transport method for vehicle bodies involved in this application, the term "comprising" indicates the presence of the described features, integrals, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or collections thereof. The terms "comprising," "including," "having," and variations thereof all mean "including but not limited to," unless otherwise specifically emphasized.

[0043] To facilitate a clear description of the technical solutions of this application, the terms "first" and "second" are used to distinguish identical or similar items with essentially the same function and effect. Those skilled in the art will understand that the terms "first" and "second" do not limit the quantity or execution order, and that the terms "first" and "second" do not necessarily imply that they are different.

[0044] The terms "one embodiment" or "some embodiments" used in this application mean that one or more embodiments of this application include the specific features, structures, or characteristics described in that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this application do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0045] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0046] The following are embodiments of the integrated insulated transport equipment based on a concave structure provided in this application. Among them, Figure 1 This is a schematic diagram of the overall structure of the integrated insulated transport equipment in some embodiments of this application; Figure 2 These are schematic diagrams of the frame and lower housing in some embodiments of this application; Figure 3 This is a partial cross-sectional schematic diagram of the frame and lower housing in some embodiments of this application; Figure 4 This is a schematic diagram of the load-bearing frame of the vehicle frame in the load-bearing structure area in some embodiments of this application; Figure 5 This is a partial cross-sectional schematic diagram of the connection position between the upper and lower boxes in some embodiments of this application.

[0047] like Figures 1-5 As shown, the integrated insulated transport equipment based on a concave structure includes a frame 108 and an insulated box. The frame 108 has a towing pin at the front end for connecting with the tractor 101, and the frame 108 has a recessed load-bearing structure area in the middle, the length of which is not less than the length of the lower box. The insulated box includes a lower box body 107 and an upper box body 102. The lower box body 107 is located in the recessed load-bearing structure area, and the bottom surface of the lower box body 107 is welded to the load-bearing frame of the vehicle frame 108 in the load-bearing structure area. The upper box 102 is fastened to the lower box 107 and is detachably connected to the lower box 107 through the locking mechanism 305, so that the upper box 102 and the lower box 107 together form a sealed insulated cargo compartment. The frame 108 is equipped with a temperature control system, which includes a control unit 103, a temperature sensor 109 installed in the lower box 107, a dual-mode air conditioner 105, a heating device 106, and a power generation device 104 that supplies power to the dual-mode air conditioner 105 and the heating device 106. The dual-mode air conditioner 105 and the heating device 106 are both used to control the temperature inside the insulated cargo compartment. The dual-mode air conditioner 105 (heating and cooling) is connected to the lower casing 107 via a ventilation duct 110. The control unit 103 is connected to the temperature sensor 109 and is also connected to the dual-mode air conditioner 105 and the heating device 106. It is also configured to acquire the speed signal of the tractor 101.

[0048] By designing the chassis with a concave load-bearing structure area in the middle, and placing the lower part of the insulated box within this area with its bottom surface welded to the chassis load-bearing frame, while making the upper box detachable and snap-fit, and integrating a control unit that can acquire vehicle speed signals with a temperature sensor, a dual-mode air conditioner, and a heating device to form a temperature control system, a deep rigid integration of the chassis structure and the insulated box body and an organic combination of intelligent dynamic temperature control are achieved. This not only provides maximum loading space for oversized cargo within height restrictions, but also eliminates thermal bridges in traditional separate connections and enhances local load-bearing strength through structural integration. Furthermore, by introducing vehicle speed as a key dynamic parameter, it enables advanced and precise adjustment of the temperature of the insulated cargo compartment.

[0049] In some specific embodiments, the load-bearing frame of the frame 108 in the load-bearing structure area includes a pair of main longitudinal beams 201, and the two main longitudinal beams 201 are connected by a number of main transverse beams 203. The main transverse beams 203 are connected to the main longitudinal beams 201 by welding. Each main longitudinal beam is provided with a side beam 202 on the outside. The side beam 202 is connected to the adjacent main longitudinal beam 203 through several secondary cross beams. The connection between the secondary cross beams and the main longitudinal beam 203, and between the secondary cross beams and the side beam 202, is by welding. The length directions of the main longitudinal beam 201 and the side beam 202 are parallel to the overall length direction of the frame 108; The main longitudinal beam 201 is a box-shaped beam, and the side beam 202 is an I-shaped beam.

[0050] By employing a pair of box-shaped beams as the main longitudinal beams and setting I-beam side beams on their outer sides, and simultaneously using the main crossbeams and secondary crossbeams to weld together to form a rigid frame, the advantages of the box-shaped beams' good torsional resistance and the I-beams' excellent bending resistance are fully utilized. The dense welding of the longitudinal and transverse beams forms a high-strength mesh load-bearing frame, enabling the frame to withstand the huge concentrated loads from the upper box and cargo in the concave area, effectively dispersing stress and significantly improving the structural stability and durability of the entire equipment under complex road conditions and long-term use.

[0051] In some specific embodiments, a sealing base plate 204 is welded to the bottom surface of the load-bearing frame in the load-bearing structure area of ​​the frame 108, and the sealing base plate 204 is a thin steel plate.

[0052] By welding a thin steel plate as a sealing base plate to the bottom of the load-bearing frame, a complete and continuous physical sealing layer is provided for the recessed load-bearing structure area. On the one hand, this completely prevents foreign objects such as dust and rainwater from entering the internal space of the frame, protecting the internal components. On the other hand, it also forms a flat and solid load-bearing surface, creating ideal basic conditions for subsequent filling of insulation materials and installation of the lower box. At the same time, it enhances the overall rigidity of the bottom of the frame and its ability to resist local impacts.

[0053] In some specific embodiments, the space between the bottom surface of the lower box 107 and the sealing bottom plate 204 is filled with polyurethane insulation material to form a first insulation layer 205.

[0054] By filling the gaps outside the load-bearing frame with polyurethane insulation material in the space between the sealed bottom plate and the bottom surface of the lower box to form the first insulation layer, the voids in the frame structure itself are transformed into an effective thermal insulation space. After foaming, the polyurethane material can tightly fill the irregular voids and firmly adhere to the frame, thereby significantly blocking the main path of heat conduction through the metal frame, greatly reducing the thermal bridge effect in this area, improving the overall thermal insulation performance of the frame base, and reducing the basic thermal load for cargo compartment insulation.

[0055] In some specific embodiments, the lower box 107 includes a lower box frame made of square tubing, and the lower box frame includes a lateral portion and a bottom portion. The lower housing 107 also includes a lower outer skin and a lower inner skin. The lower outer skin is fixed to the outer side of the lateral portion and the bottom portion, and the lower inner skin is fixed to the inner side of the lateral portion. In the space between the lower outer skin and the lower inner skin of the lateral section, polyurethane insulation material is filled into the gaps outside the lower box frame to form a second insulation layer.

[0056] By constructing the lower box as a sandwich insulation structure consisting of a square tube frame, inner and outer skins, and polyurethane filling material, an independent second insulation layer is formed, giving the lower box excellent thermal insulation performance and making it a complete functional unit. It not only contributes to the structural strength after the lower box is welded to the frame, but its high insulation performance also ensures the temperature stability of the lower side of the insulated cargo compartment, effectively resisting the influence of ambient temperature from the side.

[0057] In some specific embodiments, the upper surface of the bottom part of the lower box frame is covered with a thermal break 206, the thermal break 206 is a PVC high-strength board, and the thermal break 206 is covered with a floor plate 207 that forms the inner floor of the insulated cargo compartment, the floor plate 207 of the insulated cargo compartment is a steel plate. In the space between the thermal break 206 and the lower outer skin, polyurethane insulation material is filled into the gaps outside the lower box frame.

[0058] By laying PVC high-strength board as a thermal break on the upper surface of the bottom part of the lower box frame, and then laying steel plate on it to form the cargo hold floor, this design inserts a low thermal conductivity insulation layer between the load-bearing structure and the internal space. The PVC material effectively cuts off the path of direct heat conduction from the metal frame to the insulated cargo hold, while the upper steel plate provides a flat, sturdy and easy-to-clean load-bearing surface. The combination of the two ensures the practicality of cargo carrying and maximizes the thermal insulation effect of the cargo hold bottom.

[0059] In some specific embodiments, the upper box 102 includes an upper box frame 301 made of square tubes, and the upper box frame 301 includes a side portion and a top portion. The upper box body 102 also includes an upper outer skin 302 fixed to the outside of the upper box body frame 301 and an upper inner skin 304 fixed to the inside of the upper box body frame 301. In the space between the upper outer skin 302 and the upper inner skin 304, polyurethane insulation material is filled into the gaps outside the upper box frame 301 to form a third insulation layer 303.

[0060] By constructing the upper container as a sandwich insulation structure consisting of a square tube frame, inner and outer skins, and polyurethane filling material, a third insulation layer is formed. This ensures that the upper part of the container has excellent insulation performance that matches the lower part, so that all six sides of the insulated cargo compartment are surrounded by high-performance insulation walls, forming a uniform and continuous thermal insulation barrier, minimizing the fluctuation of the internal temperature of the cargo compartment due to the influence of the external environment.

[0061] In some specific embodiments, the dual-mode air conditioner 105, heating device 106, power generation device 104 and control unit 103 are integrated and installed on the platform at the rear of the vehicle frame 108; Heating device 106 is a fuel oil heater; The power generation unit 104 is a diesel generator or a fuel cell.

[0062] By integrating the dual-mode air conditioning (heating and cooling), fuel heater, diesel generator or fuel cell power generation device, and control unit onto the platform at the rear of the vehicle frame, a modular and compact layout of all core components of the temperature control system is achieved. This integrated installation method simplifies the pipeline connection between devices, improves space utilization, facilitates centralized management, maintenance and repair of the equipment, and enhances the overall stability and reliability of the system.

[0063] In some specific embodiments, the vehicle speed signal is transmitted to the control unit 103 via a vehicle speed signal communication line 111 located between the tractor 101 and the chassis 108.

[0064] By setting up a dedicated vehicle speed signal communication line between the tractor and the chassis, a stable and reliable real-time vehicle speed data acquisition channel is provided for the control unit, ensuring that this key dynamic parameter of vehicle speed can be continuously and accurately collected. This is the basic premise for realizing predictive temperature control based on vehicle speed and avoiding temperature control failure due to signal loss or interruption.

[0065] In one specific embodiment, the integrated insulated transport equipment based on a concave structure includes a frame 108 and an insulated box. The frame 108 has a towing pin at the front end for connecting with the tractor 101, and the frame 108 has a recessed load-bearing structure area in the middle, the length of which is not less than the length of the lower box. The load-bearing frame of the frame 108 in the load-bearing structure area includes a pair of main longitudinal beams 201. The two main longitudinal beams 201 are connected by several main cross beams 203. The main cross beams 203 are connected to the main longitudinal beams 201 by welding. Each main longitudinal beam is provided with a side beam 202 on the outside. The side beam 202 is connected to the adjacent main longitudinal beam 203 through several secondary cross beams. The connection between the secondary cross beams and the main longitudinal beam 203, and between the secondary cross beams and the side beam 202, is by welding. The length directions of the main longitudinal beam 201 and the side beam 202 are parallel to the overall length direction of the frame 108; The main longitudinal beam 201 is a box-shaped beam, and the side beam 202 is an I-shaped beam; A sealing base plate 204 is welded to the bottom surface of the load-bearing frame in the load-bearing structural area of ​​the frame 108. The sealing base plate 204 is a thin steel plate. The insulated box includes a lower box body 107 and an upper box body 102, with the lower box body 107 located in the recessed load-bearing structure area; The lower box 107 includes a lower box frame made of square tubes, and the lower box frame includes a side part and a bottom part; The lower housing 107 also includes a lower outer skin and a lower inner skin. The lower outer skin is fixed to the outer side of the lateral portion and the bottom portion, and the lower inner skin is fixed to the inner side of the lateral portion. The lower outer skin of the bottom surface of the lower box 107 is welded to the load-bearing frame of the frame 108 in the load-bearing structural area; In the space between the lower outer skin of the bottom part and the sealing bottom plate 204, polyurethane insulation material is filled into the gaps outside the load-bearing frame to form the first insulation layer 205. In the space between the lower outer skin and the lower inner skin of the lateral section, polyurethane insulation material is filled into the gaps outside the lower box frame to form a second insulation layer. The upper surface of the bottom part of the lower box frame is covered with thermal break 206, which is a PVC high-strength board. The thermal break 206 is covered with a floor 207 that forms the inner floor of the insulated cargo compartment, which is a steel plate. In the space between the thermal break 206 and the lower outer skin of the bottom part, polyurethane insulation material is filled into the gap outside the lower box frame. The upper box 102 includes an upper box frame 301 made of square tubes, and the upper box frame 301 includes a side part and a top part. The upper box body 102 also includes an upper outer skin 302 fixed to the outside of the upper box body frame 301 and an upper inner skin 304 fixed to the inside of the upper box body frame 301. In the space between the upper outer skin 302 and the upper inner skin 304, the gaps outside the upper box frame 301 are filled with polyurethane insulation material to form the third insulation layer 303. The upper box 102 is fastened to the lower box 107 and is detachably connected to the lower box 107 through the locking mechanism 305, so that the upper box 102 and the lower box 107 together form a sealed insulated cargo compartment. The frame 108 is equipped with a temperature control system, which includes a control unit 103, a temperature sensor 109 installed in the lower box 107, a dual-mode air conditioner 105, a heating device 106, and a power generation device 104 that supplies power to the dual-mode air conditioner 105 and the heating device 106. The dual-mode air conditioner 105 and the heating device 106 are both used to control the temperature inside the insulated cargo compartment. The dual-mode air conditioner 105 (heating and cooling), heating device 106, power generation device 104, and control unit 103 are integrated and installed on the platform at the rear of the vehicle frame 108; Heating device 106 is a fuel oil heater; The power generation unit 104 is a diesel generator or a fuel cell; The dual-mode air conditioner 105 (heating and cooling) is connected to the lower casing 107 via a ventilation duct 110. The control unit 103 is connected to the temperature sensor 109 and is also connected to the dual-mode air conditioner 105 and the heating device 106 for control purposes. It is also configured to acquire the speed signal of the tractor 101. The vehicle speed signal is transmitted to the control unit 103 via the vehicle speed signal communication line 111 set between the tractor 101 and the frame 108.

[0066] Figure 6 This is a flowchart of an embodiment of the integrated insulated transport method for a vehicle body based on a concave structure, according to one embodiment of this application. Figure 6 The method utilizes integrated insulated transport equipment for transportation. Depending on different needs, the order of steps in this flowchart can be changed, and some steps can be omitted.

[0067] The integrated insulated transport method based on a concave structure and the integrated insulated transport equipment based on a concave structure belong to the same inventive concept as the above-described embodiments. For details not described in detail in the embodiments of the integrated insulated transport method based on a concave structure, please refer to the embodiments of the integrated insulated transport equipment based on a concave structure described above.

[0068] like Figure 6 As shown, the integrated insulated transport method based on a concave structure includes: S1. Real-time data collection of vehicle speed and external ambient temperature of the insulated box, and temperature sensor 109 detects the internal temperature of the insulated cargo compartment; By collecting vehicle speed, external ambient temperature of the insulated box, and internal temperature of the insulated cargo compartment in real time, comprehensive and timely basic operating condition data are provided for the entire temperature control system. The synchronous acquisition of these multi-source signals constitutes the data foundation for intelligent decision-making, enabling the system to perceive the comprehensive thermal environment status of the transportation equipment in real time, and providing the necessary information input for subsequent analysis and precise control. S2. Based on the vehicle speed signal and the external ambient temperature of the insulated box, calculate the trend of the equivalent ambient temperature change of the outer wall of the insulated box; By calculating the changing trend of the equivalent ambient temperature of the outer wall of the insulated box based on the real-time collected vehicle speed and external ambient temperature, the dynamic vehicle speed variable is combined with the static ambient temperature, enabling the system to detect the potential impact of external heat load on the cargo compartment in advance, realizing the transformation from passively responding to internal temperature to actively predicting external disturbances. S3. Compare and analyze the equivalent ambient temperature of the outer wall of the insulated box with the internal temperature of the insulated cargo compartment, and generate control commands for the power generation device 104, the dual-mode air conditioner 105 and the heating device 106 based on the analysis results. By comparing and analyzing the predicted equivalent ambient temperature of the outer wall of the insulated box with the real-time detected internal temperature of the cargo hold, and generating control commands accordingly, it comprehensively evaluates the trend of internal temperature deviation and external thermal shock, thereby accurately determining the intensity of current cooling or heating demand, and providing a precise decision-making basis for selecting the most suitable equipment working mode and energy supply scheme. S4. Execute control commands to control the operating status of the power generation unit 104, the dual-mode air conditioner 105, and the heating unit 106, and regulate and stabilize the temperature inside the insulated cargo hold; By executing control commands, the system specifically controls the operation of the power generation unit, the dual-mode air conditioning system, and the heating unit, transforming analytical decisions into actual temperature regulation actions, thereby achieving proactive, precise, and stable temperature control within the insulated cargo hold.

[0069] In some specific embodiments, in step S2, calculating the trend of ambient temperature change on the outer wall of the insulation box specifically involves calculating the predicted value of the equivalent ambient temperature of the outer wall of the insulation box in the next time step. The calculation formula is:

[0070] in, Indicates the current time The external ambient temperature of the insulated box; Indicates the current time The equivalent ambient temperature of the outer wall of the insulated box is obtained by setting the system temperature during initial system operation. Each subsequent time step is updated using the predicted value from the previous time step; The external wall temperature transfer coefficient is a pre-calibrated coefficient that characterizes the rate of change of the equivalent temperature of the outer wall of the insulation box caused by a unit external wall temperature difference at a unit vehicle speed. The unit is 1 / m. Indicates the current time Real-time vehicle speed data; It represents the step size of a time step.

[0071] By employing a calculation formula that incorporates vehicle speed, current external wall temperature difference, and time step, the equivalent ambient temperature of the outer wall of the insulated box is predicted. This transforms the abstract heat exchange process into concrete numerical calculations, enabling the system to perceive the degree of thermal impact of external environmental changes on the box in a calculable and predictable manner, thus providing precise quantitative basis for proactive control.

[0072] In some specific embodiments, step S3 specifically includes: S301. Calculate the net heat load coefficient inside the insulated cargo compartment. The calculation formula is:

[0073]

[0074] in, This indicates the net heat load coefficient inside the insulated cargo compartment. Indicates the need for cooling. This indicates that heating is required; The absolute value represents the temperature that needs to be regulated inside the insulated cargo compartment; The formula for calculating the real-time temperature deviation inside the warehouse is as follows:

[0075] Indicates the current time Real-time monitoring of the internal temperature of the insulated cargo compartment; This indicates the preset target temperature inside the insulated cargo compartment; This represents the preset external wall temperature difference conversion factor. ; By introducing an external wall temperature difference conversion factor, the predicted external thermal shock trend is quantified into a net heat load factor that is comparable to the internal temperature deviation. This unifies the comprehensive contribution of internal temperature deviation and external thermal shock to the cargo hold heat load, and uses its positive or negative sign and magnitude as the only quantitative standard for determining the cooling or heating demand and its intensity. This makes the complex multi-factor thermal state assessment simple, clear and operable. S302. Generate control commands, including: like This indicates a strong cooling demand, generating and starting the power generation device 104 as the main power source, and controlling the dual-mode air conditioner 105 to execute the strong cooling mode control command. like This indicates a moderate net cooling demand, generating control commands powered by the onboard auxiliary battery or the tractor's power supply system, and controlling the dual-mode air conditioner 105 to execute a mild cooling mode. like This indicates that the heat load is close to balance, and generates a control command that powers the vehicle auxiliary battery and puts the dual-mode air conditioner 105 and the heating device 106 into the lowest power standby mode. like This indicates a moderate net heating demand, generating a control command to be powered by the on-board auxiliary battery or the tractor's power supply system, and to start the heating device 106 for heating. like This indicates a strong demand for clean heating, generating a control command to start the power generation device 104 as the main power source, and simultaneously controlling the heating device 106 and the dual-mode air conditioner 105 to operate in coordinated heating modes. in, This indicates the preset threshold for strong net heat load demand.

[0076] This indicates the preset threshold for moderate net heat load demand. .

[0077] By setting two threshold values ​​for the net heat load coefficient and generating refined instructions to start different power sources (power generation device, vehicle battery or tractor power system) and control the dual-mode air conditioning and heating devices to perform different working modes (strong cooling, mild cooling, standby, heating, and coordinated heating) based on the different value ranges they fall into, the system achieves tiered and optimized management of the energy efficiency of the temperature control system and the working status of the equipment. This ensures that energy is saved to the maximum extent and the equipment load is reasonably allocated while meeting the temperature control accuracy requirements.

[0078] In some specific embodiments, The calibration method was determined through calibration experiments. With the dual-mode air conditioning 105 and heating device 106 turned off, the initial temperature inside the insulated cargo compartment is adjusted to a state with a significant temperature difference from the external environment, allowing its temperature to change naturally; and The monotonic change phases with the same sign are calculated. and The ratio of the rate of change as The value of is expressed as:

[0079] This paper proposes a specific experimental method to calibrate the external wall temperature difference conversion factor by calculating the ratio of the rate of change of the internal temperature difference to the equivalent external temperature difference, under conditions where the temperature control equipment is turned off, utilizing the natural temperature change process inside the insulated cargo compartment. This key control parameter provides a clear, repeatable, and physical process-based calibration method, ensuring the scientific validity and accuracy of the coefficient values. This, in turn, guarantees the effectiveness and reliability of net heat load calculations and subsequent control strategies based on this coefficient. This application also provides an electronic device for implementing the various embodiments of this application. Figure 7 To illustrate the hardware structure of an electronic device according to various embodiments of this application, as shown in the following diagram... Figure 7 As shown, the electronic device includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor.

[0080] Those skilled in the art will understand that the electronic device structure involved in the embodiments of this application does not constitute a limitation on the electronic device. The electronic device may include more or fewer components than shown in the figure, or combine certain components, or have different component arrangements.

[0081] In embodiments of this application, electronic devices include, but are not limited to, laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. Electronic devices may also represent various forms of mobile devices and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the embodiments of this application described and / or claimed herein.

[0082] In this application embodiment, the processor can be implemented using at least one of an Application-Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a processor, a controller, a microcontroller, a microprocessor, or an electronic unit designed to perform the functions described herein. In some cases, such implementations can be implemented within a controller. For software implementations, implementations such as processes or functions can be implemented with separate software modules that allow the performance of at least one function or operation. The software code can be implemented by a software application (or program) written in any suitable programming language, and the software code can be stored in memory and executed by the controller.

[0083] In addition, the electronic device includes some functional modules not shown, which will not be described in detail here.

[0084] Those skilled in the art will understand that the various aspects of the electronic device provided in this application can be implemented as a system, method, or program product. Therefore, the various aspects of this application can be specifically implemented in the following forms: a completely hardware implementation, a completely software implementation (including firmware, microcode, etc.), or a combination of hardware and software aspects, collectively referred to herein as a "circuit," "module," or "system."

[0085] This application also provides a storage medium storing a program product capable of implementing a method for integrated insulated transport of a vehicle body based on a concave structure. In some possible embodiments, various aspects of this application can also be implemented as a program product comprising program code that, when run on a terminal device, causes the terminal device to perform the steps described in the foregoing "Exemplary Methods" section of this specification according to various exemplary embodiments of this application.

[0086] The storage medium may be any combination of one or more readable media. A readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example,, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of readable storage media include: electrical connections having one or more wires, portable disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof.

[0087] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A type of integrated insulated transport equipment based on a concave structure, comprising a frame (108) and an insulated box, characterized in that: The front end of the frame (108) is provided with a towing pin for connecting with the tractor (101), and the middle part of the frame (108) has a recessed load-bearing structure area, the length of which is not less than the length of the lower box. The insulated box includes a lower box (107) and an upper box (102). The lower box (107) is located in the recessed load-bearing structure area, and the load-bearing frame of the lower box (107) is structurally connected to the load-bearing frame of the vehicle frame (108) in the load-bearing structure area, together forming an integrated load-bearing frame. The upper box (102) is fastened to the lower box (107) and is detachably connected to the lower box (107) through a locking mechanism (305), so that the upper box (102) and the lower box (107) together form a sealed insulated cargo compartment. The frame (108) is equipped with a temperature control system, which includes a control unit (103), a temperature sensor (109) installed in the lower box (107), a dual-mode air conditioner (105), a heating device (106), and a power generation device (104) that supplies power to the dual-mode air conditioner (105) and the heating device (106). The dual-mode air conditioner (105) and the heating device (106) are both used to control the temperature inside the insulated cargo compartment. The dual-mode air conditioner (105) is connected to the lower casing (107) through a ventilation duct (110); The control unit (103) is connected to the temperature sensor (109) and is also connected to the dual-mode air conditioner (105) and the heating device (106) for control purposes. It is also configured to acquire the speed signal of the tractor (101).

2. The integrated insulated transport equipment with a cargo box as described in claim 1, characterized in that, It also includes a sealing base plate (204) welded to the bottom surface of the load-bearing frame (108) in the load-bearing structure area, and the sealing base plate (204) is a thin steel plate.

3. The integrated insulated transport equipment with a cargo box as described in claim 2, characterized in that, In the space between the bottom surface of the lower box (107) and the sealing bottom plate (204), polyurethane insulation material is filled into the gaps outside the load-bearing frame to form the first insulation layer (205).

4. The integrated insulated transport equipment with a cargo box as described in claim 1, characterized in that, The lower box (107) includes a lower box frame made of square tubes, the lower box frame including a lateral part and a bottom part; The lower housing (107) also includes a lower outer skin fixed to the outside of the lower housing frame and a lower inner skin fixed to the inside of the lateral part of the lower housing; In the space between the lower outer skin and the lower inner skin of the lateral section, polyurethane insulation material is filled into the gaps outside the lower box frame to form a second insulation layer.

5. The integrated insulated transport equipment with a cargo box as described in claim 1, characterized in that, The upper box (102) includes an upper box frame (301) made of square tubes, and the upper box frame (301) includes a side part and a top part; The upper box (102) also includes an upper outer skin (302) fixed to the outside of the upper box frame (301) and an upper inner skin (304) fixed to the inside of the upper box frame (301). In the space between the upper outer skin (302) and the upper inner skin (304), polyurethane insulation material is filled into the gaps outside the upper box frame (301) to form a third insulation layer (303).

6. A method for integrated insulated transport control of a vehicle body based on a concave structure, characterized in that, Transportation using the integrated insulated transport equipment as described in any one of claims 1-5 includes the following steps: S1. Real-time acquisition of vehicle speed and external ambient temperature of the insulated box, and detection of internal temperature of the insulated cargo compartment by temperature sensor (109); S2. Based on the vehicle speed signal and the external ambient temperature of the insulated box, calculate the trend of the equivalent ambient temperature change of the outer wall of the insulated box; S3. Compare and analyze the equivalent ambient temperature of the outer wall of the insulated box with the internal temperature of the insulated cargo compartment, and generate control commands for the power generation device (104), the dual-mode air conditioner (105), and the heating device (106) based on the analysis results; S4. Execute control commands to control the operating status of the power generation unit (104), the dual-mode air conditioner (105), and the heating unit (106), and to regulate and stabilize the temperature inside the insulated cargo hold.

7. The integrated insulated transport control method for the vehicle body as described in claim 6, characterized in that, In step S2, calculating the trend of ambient temperature change on the outer wall of the insulation box specifically involves calculating the predicted value of the equivalent ambient temperature on the outer wall of the insulation box in the next time step. The calculation formula is: in, Indicates the current time The external ambient temperature of the insulated box; Indicates the current time The equivalent ambient temperature of the outer wall of the insulated box is obtained by setting the system temperature during initial system operation. Each subsequent time step is updated using the predicted value from the previous time step; The external wall temperature transfer coefficient is a pre-calibrated coefficient that characterizes the rate of change of the equivalent temperature of the outer wall of the insulation box caused by a unit external wall temperature difference at a unit vehicle speed. The unit is 1 / m. Indicates the current time Real-time vehicle speed data; It represents the step size of a time step.

8. The integrated insulated transport control method for the vehicle body as described in claim 7, characterized in that, Step S3 specifically includes: S301. Calculate the net heat load coefficient inside the insulated cargo compartment. The calculation formula is: in, This indicates the net heat load coefficient inside the insulated cargo compartment. Indicates the need for cooling. This indicates that heating is required; The absolute value represents the temperature that needs to be regulated inside the insulated cargo compartment; The formula for calculating the real-time temperature deviation inside the warehouse is as follows: Indicates the current time Real-time monitoring of the internal temperature of the insulated cargo compartment; This indicates the preset target temperature inside the insulated cargo compartment; This represents the preset external wall temperature difference conversion factor. ; S302. Generate control commands, including: like This indicates a strong cooling demand, generates and starts the generator (104) as the main power source, and controls the dual-mode air conditioner (105) to execute the strong cooling mode control command; like This indicates a moderate net cooling demand, generating a control command that is powered by the vehicle's auxiliary battery or the tractor's power supply system and controls the dual-mode air conditioner (105) to execute a mild cooling mode. like This indicates that the heat load is close to equilibrium, and generates a control command that powers the vehicle auxiliary battery and puts the dual-mode air conditioner (105) and heating device (106) into the lowest power standby mode. like This indicates a moderate net heating demand, and generates a control command to start the heating device (106) for heating, powered by the on-board auxiliary battery or the tractor's power supply system. like This indicates a strong demand for net heating, and generates a control command to start the generator (104) as the main power source, and simultaneously controls the heating device (106) and the dual-mode air conditioner (105) to operate in coordination in heating mode. in, This indicates the preset threshold for strong net heat load demand. This indicates the preset threshold for moderate net heat load demand. .

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes a computer program, it implements the steps of the integrated insulated transport method for a vehicle body as described in any one of claims 6-8.

10. A storage medium storing a computer program, characterized in that, When the computer program is executed by the processor, it implements the steps of the integrated insulated transport method for the vehicle body as described in any one of claims 6-8.

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