Air conditioning unit, control method and device thereof, air conditioner and storage medium

Abstract

The invention relates to an air conditioning unit and a control method and device thereof, an air conditioner and a storage medium, and the air conditioning unit adopts a structure that a first electromagnet and a second electromagnet alternately drive an air inducing plate to reciprocate, so that the operation noise of the unit is remarkably reduced, only airflow noise exists, and the sound environment of a cabin is greatly improved; meanwhile, the mechanical loss is low, the energy consumption is reduced, and the reliability and maintainability of the system are improved; and the unit can be flexibly designed into various shapes and sizes according to the mounting space, so that the adaptability is higher. According to the control method, the target air supply amount is determined by obtaining the current navigation state parameters of the ship, then the driving signal is generated to control the electromagnet to alternately work, self-adaptive matching of the air supply amount and the ship working condition is achieved, the output of the air conditioner can dynamically respond to the actual thermal load requirement of the ship, excessive air supply or insufficient air supply is avoided, and the service life of the ship is prolonged. The comfort is guaranteed, the operation energy efficiency is optimized, and the overall operation reasonability is improved.

Description

Technical Field

[0001] This application relates to the field of air conditioning, and more particularly to an air conditioning unit and its control method, device, air conditioner and storage medium. Background Technology

[0002] Traditional air conditioning units typically use motor-driven centrifugal or axial fans for air delivery. During ship navigation, the continuous impact of waves causes the hull to roll and vibrate. The rotating fan components amplify this vibration, generating noise levels as high as 65-75 decibels, severely affecting crew rest and potentially shortening equipment lifespan. Simultaneously, the hull's movement disrupts the airflow from the fans, reducing heat exchange efficiency between the air and heat exchangers by more than 20%, resulting in uneven cabin temperatures and poor comfort. Summary of the Invention

[0003] This application provides an air conditioning unit and its control method, device, air conditioner and storage medium to solve the technical problems of high vibration and noise, high energy consumption and uneven heat exchange caused by hull swaying in existing marine air conditioning units due to reliance on rotating fans.

[0004] In a first aspect, this application provides an air conditioning unit, comprising: Unit casing; The air outlet system includes a first air outlet group and a second air outlet group respectively disposed at both ends of the unit casing, and each air outlet group includes a return air outlet and a supply air outlet. The heat exchanger is installed inside the unit casing and located in the inner air duct of the return air inlet; The drive mechanism includes a first electromagnet and a second electromagnet, which are respectively fixed to the two sides inside the housing of the unit. The air intake plate, made of magnetic adsorption material, is reciprocally movable between the first electromagnet and the second electromagnet, and divides the interior of the unit housing into a first cavity and a second cavity that are not connected to each other; wherein, the first cavity is connected to the first air outlet group, and the second cavity is connected to the second air outlet group; A control unit is used to control the alternating energization of the first electromagnet and the second electromagnet. When the first electromagnet is energized, the air guide plate moves towards the first electromagnet under the action of magnetic force, compressing the first cavity and expanding the second cavity, so that the air in the first cavity is discharged through the corresponding air outlet, while the outside air enters the second cavity through the return air outlet after being heated by the heat exchanger. When the second electromagnet is energized, the air guide plate moves towards the second electromagnet under the action of magnetic force, compressing the second cavity and expanding the first cavity, so that the air in the second cavity is discharged through the corresponding air outlet, while the outside air enters the first cavity through the return air outlet after being heated by the heat exchanger.

[0005] In one possible implementation, both the return air inlet and the supply air inlet are provided with blades that can be opened and closed by airflow pressure; When the cavity is compressed to form positive pressure, the blades of the air supply port of the cavity open and the blades of the air return port close; when the cavity is expanded to form negative pressure, the blades of the air return port of the cavity open and the blades of the air supply port close. The blades of the air supply outlet are configured to open outwards from the unit housing; the blades of the return air outlet are configured to open inwards from the unit housing.

[0006] In one possible implementation, it also includes: A position detection sensor is installed on the unit housing and communicates with the control unit to detect whether the air deflector has moved to a limit position close to the first electromagnet or the second electromagnet. The control unit is used to cut off the power supply to the electromagnet on one side and simultaneously start the power supply to the electromagnet on the other side when it is determined from the signal of the position detection sensor that the wind deflector has reached the extreme position on one side.

[0007] In one possible implementation, it also includes: A telescopic strip is connected between the air duct and the unit housing, and is used to extend and retract with the reciprocating motion of the air duct to limit the travel of the air duct.

[0008] In one possible implementation, it also includes: The vibration energy recovery device is used to collect the vibration energy of the ship on which the air conditioning unit is installed and convert it into electrical energy to power the air conditioning unit.

[0009] In one possible implementation, the control unit is a frequency converter, used to adjust the energizing parameters of the first electromagnet or the second electromagnet to control the reciprocating speed and force of the fan plate.

[0010] Secondly, this application provides a control method for an air conditioning unit as described in any of the first aspects, comprising: Obtain the current navigation status parameters of the ship to which the air conditioning unit is installed; Based on the current navigation status parameters, determine the target air supply volume of the air conditioning unit; Based on the target air volume, a drive signal is generated and output to control the alternating energization of the first electromagnet and the second electromagnet, so as to adjust the reciprocating motion of the air duct.

[0011] In one possible implementation, the current navigation status parameter includes the ship's real-time speed; Determining the target air volume of the air conditioning unit based on the current navigation status parameters includes: The target air volume is determined based on the real-time speed; wherein the target air volume is positively correlated with the real-time speed.

[0012] In one possible implementation, generating and outputting a drive signal for controlling the alternating energization of the first electromagnet and the second electromagnet based on the target air volume includes: Based on the target air volume, determine the target alternation frequency of the first electromagnet and the second electromagnet; A drive signal with the target alternation frequency is generated and output to control the first electromagnet and the second electromagnet to be periodically and alternately energized at the target alternation frequency.

[0013] In one possible implementation, the current navigation state parameters include the real-time roll amplitude of the vessel; the method further includes: The vibration energy recovery rate is determined based on the real-time roll amplitude. The electrical energy converted according to the vibration energy recovery rate is supplied to the first electromagnet and / or the second electromagnet.

[0014] In one possible implementation, the method further includes: Monitor the real-time roll amplitude of the vessel; When the real-time sway amplitude exceeds the preset safety threshold, the air conditioning unit is controlled to perform a protection operation. The protection operation includes: pausing the electromagnet-based drive and switching to the standby air supply mode to maintain the preset minimum air supply volume.

[0015] Thirdly, this application provides a control device for an air conditioning unit as described in any of the first aspects, comprising: The navigation status monitoring module is used to acquire the current navigation status parameters of the ship to which the air conditioning unit is installed; The target determination module is used to determine the target air volume of the air conditioning unit based on the current navigation status parameters. The control module is used to generate and output a drive signal for controlling the alternating energization of the first electromagnet and the second electromagnet according to the target air volume, so as to adjust the reciprocating motion of the air duct.

[0016] Fourthly, this application provides an air conditioner, including the air conditioning unit described in any one of the first aspects.

[0017] Fifthly, this application provides a storage medium storing one or more programs that can be executed by one or more processors to implement the control method described in any one aspect.

[0018] Compared with the prior art, the technical solution provided in this application has the following advantages: This application provides an air conditioning unit and its control method. The air conditioning unit replaces the traditional rotary fan with a core structure in which a first electromagnet and a second electromagnet alternately drive the air intake plate to reciprocate, achieving a fundamental innovation in the air supply principle. This structure eliminates high-speed rotating components such as fan impellers and motors at the source, significantly reducing the unit's operating noise to only airflow noise, greatly improving the cabin acoustic environment. Simultaneously, this direct-drive structure has fewer moving parts and a simpler transmission path, resulting in lower mechanical losses, reduced energy consumption, and improved system reliability and maintainability. Furthermore, this structural form releases the constraints of traditional fans on the unit's shape, allowing the unit to be flexibly designed into various shapes and sizes according to the installation space, making it more adaptable. The control method provided in this application obtains the ship's current navigation status parameters and determines the target air supply volume accordingly. Then, it generates a drive signal to control the alternating operation of the electromagnet, realizing adaptive matching between the air supply volume and the ship's operating conditions. This enables the air conditioning output to dynamically respond to the ship's actual heat load demand, avoiding "over-air supply" or "under-air supply". While ensuring comfort, it optimizes operating energy efficiency and improves the overall operational rationality. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0022] Figure 1 This is a schematic diagram of the structure of an air conditioning unit provided in an embodiment of this application; Figure 2 This is a cross-sectional schematic diagram of the air conditioning unit; Figure 3 This is a schematic diagram of the air vents of an air conditioning unit; Figure 4 This is a schematic diagram of the air conditioning unit operation; Figure 5 A flowchart illustrating an embodiment of a control method for an air conditioning unit provided in this application; Figure 6 A block diagram illustrating an embodiment of a control device for an air conditioning unit provided in this application; Figure 7 This is a schematic diagram of the structure of an air conditioner provided in an embodiment of this application. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0025] To address the technical problems of high vibration and noise, high energy consumption, and uneven heat exchange caused by ship swaying in existing marine air conditioning units that rely on rotating fans, this application provides an air conditioning unit and its control method, device, and storage medium. This solution replaces the traditional fan with the reciprocating motion of an electromagnetically adsorbed fan-driven deflector, combined with adaptive ship navigation control, achieving significant noise reduction, substantial energy savings, and improved heat exchange efficiency.

[0026] Figure 1 This is a schematic diagram of the structure of an air conditioning unit provided in an embodiment of this application. Figure 1 As shown, the air conditioning unit includes a unit housing 1, an air outlet system 2, a heat exchanger 3, a drive mechanism 4, an air intake plate 5, and a control unit (not shown in the figure).

[0027] Specifically, combined Figure 2 The cross-sectional view of the air conditioning unit shown in the example shows that the air outlet system 2 includes a first air outlet group and a second air outlet group respectively located at both ends of the unit casing 1. Each air outlet group includes a return air outlet and a supply air outlet. Figure 2 In the middle, the first air outlet group includes air supply outlet 211 and air return outlet 212, and the second air outlet group includes air supply outlet 221 and air return outlet 222.

[0028] Combination Figure 3 The illustrated air vent diagram shows that both the return air vent (including return air vent 212 and return air vent 222) and the supply air vent (including supply air vent 211 and supply air vent 221) are equipped with blades 23 that can be opened and closed by airflow pressure. The rotating shaft 24 of the blades 23 is fixed to the air vent frame 25. The blades 23 are fixed to the rotating shaft 24 and can rotate with the rotating shaft 24, thereby achieving automatic opening and closing based on changes in air pressure within the cavity to control unidirectional airflow. Specifically, the blades 23 of the supply air vent are configured to open towards the outside of the unit housing 1; the blades 23 of the return air vent are configured to open towards the inside of the unit housing 1.

[0029] The heat exchanger 3 is located inside the unit casing 1 and spans the inner air duct between the return air inlet 212 and the return air outlet 222. This means that outside air must first pass through the heat exchanger 3 before entering the inner cavity of the unit casing.

[0030] The drive mechanism 4 includes a first electromagnet 41 and a second electromagnet 42, which are respectively fixed to both sides inside the unit housing 1. Each of the first electromagnet 41 and the second electromagnet 42 includes an electromagnet core and a coil wound on the electromagnet core. Both sets of coils are connected to a control unit, which controls the energization and de-energization of the coils, as well as the specific energization parameters (such as energization frequency, current, etc.).

[0031] The air intake plate 5 is made of a magnetically adsorbent material. For example, the air intake plate 5 is made of a magnetically adsorbent material such as iron or nickel. The air intake plate 5 is reciprocally disposed between the first electromagnet 41 and the second electromagnet 42, and divides the interior of the unit housing 1 into a first cavity 11 and a second cavity 12 that are not connected to each other; wherein, the first cavity 11 is connected to the first air outlet group, and the second cavity 12 is connected to the second air outlet group.

[0032] The control unit is used to control the alternating energization of the first electromagnet 41 and the second electromagnet 42. In one embodiment, the control unit is a frequency converter, used to adjust the energizing parameters of the first electromagnet 41 or the second electromagnet 42 to control the reciprocating speed and force of the fan plate.

[0033] Combination Figure 4 The illustrated schematic diagram of the air conditioning unit operation shows that when the first electromagnet 41 is energized, it generates magnetic force, causing the air intake plate 5 to move towards it, compressing the first cavity 11 and expanding the second cavity 12. At this time, the first cavity 11 is compressed, creating positive pressure. The blades of the air supply port 211 of the first cavity 11 open, and the blades of the return air port 212 close, allowing air from the first cavity 11 to be discharged through the air supply port 211. Simultaneously, the second cavity 12 expands, creating negative pressure. The blades of the return air port 222 of the second cavity 12 open, and the blades of the air supply port 221 close, allowing external air to enter the second cavity 12 through the return air port 222 after heat exchange with the heat exchanger 3.

[0034] Continue to combine Figure 4 The illustrated schematic diagram of the air conditioning unit operation shows that when the second electromagnet 42 is energized, the second electromagnet 41 generates magnetic force, and the air guide plate 5 moves towards the second electromagnet 42 under the action of magnetic force, compressing the second cavity 12 and expanding the first cavity 11. At this time, the second cavity 112 is compressed to form a positive pressure, the blades of the air supply port 221 of the second cavity 12 open and the blades of the return air port 222 close, so that the air in the second cavity 12 is discharged through the air supply port 221; at the same time, the first cavity 11 is expanded to form a negative pressure, the blades of the return air port 212 of the first cavity 11 open and the blades of the air supply port 211 close, so that the outside air is heated by the heat exchanger 3 and enters the first cavity 11 through the return air port 212 of the first cavity 11.

[0035] The air intake plate 5 is connected to the unit housing 1 via a telescopic strip 6. The telescopic strip 6 extends and retracts with the reciprocating motion of the air intake plate 5 to limit its travel distance. Figure 4 As shown, the telescopic strip 6 is in the shape of a broken line and has good extensibility. It extends when the air duct 5 moves. When it is extended to the limit, the air duct 5 will not touch the unit casing 1, thus avoiding collision.

[0036] In addition, to adapt to special environments, such as the continuous vibration and swaying environment during ship navigation, this application incorporates vibration-damping design on the wind deflector 5, specifically in the following two aspects: 1. Vibration reduction design of the wind deflector: An elastic vibration damping layer is added to the main structure of the wind deflector 5. This layer can be made of high-damping elastic materials (such as rubber, silicone or special polymer composite materials), which can effectively absorb and isolate vibration energy from the hull and drive mechanism, prevent it from resonating with the wind deflector or transmitting noise, thereby ensuring the smooth operation of the wind deflector and further reducing the overall noise.

[0037] 2. Composite Material of Sealing Strips: The sealing strips between the air intake plate 5 and the unit casing 1, and between the air intake plate and the air outlet, are made of silicone-fluorocarbon composite material. This composite material combines the excellent elasticity, sealing performance, and high and low temperature resistance of silicone with the outstanding oil resistance, corrosion resistance, aging resistance, and low coefficient of friction of fluorocarbon materials. In the harsh environment of ships, characterized by humidity, salt spray, and oil contamination, this sealing strip can maintain its elasticity and sealing effect for a long time, preventing air leakage or abnormal noise caused by material aging and wear, greatly improving the reliability and service life of the unit.

[0038] The synergistic effect of the aforementioned vibration-damping design enhances the adaptability of the air conditioning unit to the special operating conditions of ships from two dimensions: structural vibration reduction and material tolerance, ensuring its long-term stable, quiet, and reliable operation under complex sea conditions.

[0039] Furthermore, the air conditioning unit also includes a position detection sensor (not shown in the figure), which is installed on the unit housing 1 and communicates with the control unit. This sensor detects whether the air duct 5 has moved to a position close to the first electromagnet 41 or the second electromagnet 42. When the control unit determines, based on the signal from the position detection sensor, that the air duct 5 has reached a position on one side, it cuts off the power supply to the electromagnet on that side and simultaneously starts the power supply to the electromagnet on the other side. Specifically, when the air duct 5 reaches the position on the side of the first electromagnet 41, the control unit disconnects the energizer on the coil of the first electromagnet 41 and energizes the coil of the first electromagnet 42; when the air duct 5 reaches the position on the side of the second electromagnet 42, the control unit disconnects the energizer on the coil of the second electromagnet 42 and energizes the coil of the second electromagnet 41.

[0040] Through the repeated cycle of the above process, the air intake plate 5 continuously reciprocates, achieving continuous air supply and heat exchange for the air conditioning unit. The system's air supply capacity can be controlled by adjusting the control parameters: increasing the driving current of the coil enhances the electromagnetic attraction, thereby increasing the acceleration and speed of the air intake plate; increasing the alternating energizing frequency of the coil output by the control unit directly increases the number of reciprocating motions of the air intake plate per unit time. In summary, under reasonable system matching, increasing the current and increasing the frequency can effectively improve the air supply volume of the unit, thereby increasing the heat exchanger's heat exchange capacity.

[0041] In addition, the air conditioning unit provided in this application has the following significant advantages in terms of performance and design: 1. Operating noise is significantly reduced. By employing electromagnetically adsorption-driven reciprocating motion of the exhaust fan to deliver air, the high-speed rotating components such as fans, motors, and impellers found in traditional marine air conditioning systems are completely eliminated, thus removing the main source of mechanical vibration and rotational noise. The only noise source during unit operation is the wind noise generated when airflow passes through the air vents and heat exchangers, resulting in a significantly lower overall noise level compared to traditional fan-operated air handling units.

[0042] 2. Energy consumption has been significantly reduced, and energy efficiency has been improved. The energy transfer path of this application is more direct. Electrical energy is directly converted into the reciprocating mechanical energy of the exhaust plate after electromagnetic conversion to drive the air. It only needs to overcome electromagnetic drive losses and air flow resistance, avoiding the multi-stage conversion and transmission losses of "electrical energy → motor rotational mechanical energy → impeller kinetic energy → wind energy" in traditional fan systems. Therefore, under the premise of providing the same air volume, the overall energy consumption of this unit is significantly reduced compared with the traditional fan drive method.

[0043] 3. Simplified structure, highly adaptable and easy to maintain The core air supply mechanism of the unit (electromagnet and exhaust vane) features a simple structure and few moving parts, and its linear reciprocating motion ensures that the overall layout of the unit is not constrained by the geometry of rotating components. Therefore, the unit's casing can be flexibly designed in various cross-sectional shapes such as circles, rectangles, and polygons to suit different installation spaces, and its volume can be customized, greatly improving its adaptability to installation in different locations. At the same time, the simplified mechanical structure also reduces the complexity and cost of daily maintenance.

[0044] In summary, the air conditioning unit provided by this application not only achieves efficient and quiet air delivery in terms of function, but also demonstrates significant advantages in terms of energy efficiency, spatial adaptability and maintainability, making it suitable for use in environments (such as ships) with stringent requirements for vibration, noise, energy consumption and spatial layout.

[0045] Furthermore, to adapt to ship application scenarios and improve energy efficiency, Figure 1 The illustrated air conditioning unit may also include a vibration energy recovery device (not shown in the figure). This device is used to collect the vibration energy of the ship's hull caused by waves, wind, etc. during navigation, and convert it into electrical energy as an auxiliary power source for the air conditioning unit, thereby reducing dependence on the ship's main power supply and achieving energy-saving operation. Specifically, piezoelectric vibration energy harvesters can be embedded in significantly vibrating parts such as the hull keel or engine room base to efficiently capture mechanical vibrations; after the vibration energy is processed by rectification and voltage regulation circuits, it can be preferentially supplied to the drive mechanism 4 and / or control unit. The specific implementation method, power supply logic, and collaborative working strategy with the air conditioning system will be described in detail below with reference to the accompanying drawings and embodiments.

[0046] Figure 5This is a flowchart illustrating an embodiment of a control method for an air conditioning unit provided in this application. Figure 5 As shown, it includes the following steps: Step 501: Obtain the current navigation status parameters of the ship where the air conditioning unit is installed.

[0047] Step 502: Determine the target air volume of the air conditioning unit based on the current navigation status parameters.

[0048] Step 503: Based on the target air volume, generate and output a drive signal to control the alternating energization of the first electromagnet and the second electromagnet, so as to adjust the reciprocating motion of the air duct.

[0049] For ease of understanding, steps 501 to 503 are explained uniformly below: As described in steps 501 to 503, this control method constructs an adaptive control logic based on the ship's navigation state. This method dynamically determines the matching air conditioning supply demand by sensing the ship's operating state in real time, and precisely controls the air supply actuators accordingly, thereby intelligently coupling the air conditioning system's operating mode with the ship's actual operating conditions. This concept achieves on-demand, dynamic adjustment of the air conditioning supply volume, not only improving the environmental comfort of the ship's cabins and the operating efficiency of the air conditioning system, but also providing an effective technical path for ship energy conservation and emission reduction.

[0050] Specifically, in one embodiment, the current navigation status parameters include the ship's real-time speed; determining the target air supply volume of the air conditioning unit based on the current navigation status parameters includes: determining the target air supply volume based on the real-time speed; wherein the target air supply volume is positively correlated with the real-time speed.

[0051] In this embodiment, the ship's real-time speed is selected as a key parameter characterizing its operating status and cabin environmental load. By establishing a positive correlation between the target air supply volume and the real-time speed, this embodiment achieves automatic matching between the air conditioning air supply volume and the ship's navigation conditions: that is, when the ship is sailing at high speed, the air supply volume is automatically increased to cope with the potentially increased heat load or ventilation demand; when the ship is at low speed or stationary, the air supply volume is automatically reduced to reduce unnecessary energy consumption.

[0052] This design enables the air conditioning system to move away from a fixed output mode and dynamically adjust its operating status according to the actual operation of the ship, thereby significantly improving overall energy efficiency while ensuring environmental comfort, and meeting the operational requirements of energy conservation and emission reduction for ships.

[0053] As an optional implementation, the target air volume is determined based on the ship's real-time speed using the following formula (1), ensuring a positive correlation between the target air volume and the real-time speed: Formula (1) In formula (1), Q represents the target air volume, expressed as a percentage of the rated maximum air volume; V represents the real-time speed of the ship; V0 is the preset speed threshold (e.g., 15 knots); C is the proportional coefficient (e.g., 1.2), used to adjust the air volume according to the actual system characteristics and the influence of ship motion. Indicates taking The calculation result is compared with the smaller value in 1.0 to achieve an upper limit constraint on the target air supply volume.

[0054] According to formula (1), a control strategy was implemented in which the target air volume Q is positively correlated with the ship's real-time speed V: when the speed is below V0 (e.g., 15 knots), the target air volume Q increases linearly with the increase of speed V, and the growth slope is determined by the coefficient C; when the speed reaches or exceeds V0, the air volume Q in formula (1) increases linearly with the increase of speed V, and the growth slope is determined by the coefficient C; when the speed reaches or exceeds V0, the air volume Q in formula (1) increases linearly with the increase of speed V. The calculation result will be greater than or equal to C. At this time, due to the effect of the min() function, Q will be constrained to 100%, that is, the system maintains the rated maximum air supply volume.

[0055] By setting the coefficient C to be greater than 1 (e.g., C=1.2), active compensation can be made for factors such as airflow disturbance and changes in cabin heat load caused by ship movement during the linear speed growth range, so that heat exchange efficiency can still be ensured when the actual air volume demand is higher than the linear reference. Formula (1) reflects the core of adaptive control that air volume is positively correlated with ship speed, and naturally connects the linear adjustment zone and the full load working zone through the min() function, taking into account the flexibility of control and the safety limit of the system, so that the air conditioning air supply capacity always matches the actual navigation conditions and the design capacity of the unit.

[0056] In one embodiment, a drive signal for controlling the alternating energization of the first electromagnet and the second electromagnet is generated and output according to the target air volume, including: determining the target alternation frequency of the first electromagnet and the second electromagnet according to the target air volume; generating and outputting the drive signal having the target alternation frequency to control the first electromagnet and the second electromagnet to periodically alternately energize at the target alternation frequency.

[0057] In this embodiment, the core step of "generating and outputting a drive signal based on the target air volume" lies in converting the calculated target air volume Q into a target alternation frequency f that can directly drive hardware actions. This target alternation frequency f directly corresponds to the number of complete reciprocating motions completed per second by the air intake plate.

[0058] As an optional implementation, a precise quantitative mapping from air volume demand to frequency command can be achieved by establishing and applying the following formula (2): Formula (2) In formula (2), A represents the base frequency, which is in Hertz (Hz). It corresponds to the base frequency of the reciprocating motion of the air deflector when the air conditioning unit maintains the minimum ventilation requirement (e.g., when the ship is moored). For example, if A is 20, the target air volume Q is 30%.

[0059] S represents the proportionality coefficient, measured in Hertz per percentage (Hz / %). It determines the rate at which the target alternation frequency f changes for every unit percentage change in the target airflow Q, reflecting the slope of the linear relationship between the system's response to airflow demand. In a specific embodiment, the value of S is 0.4 Hz / %.

[0060] For example, when the system determines that the maximum air volume (Q=100%) is required, the target alternation frequency f=60Hz is calculated, and the first electromagnet and the second electromagnet are controlled to work alternately at this frequency, driving the air intake plate to achieve a high-speed reciprocating motion of 60 times per second, thereby outputting the rated maximum air volume.

[0061] In practical applications, engineers can finely match the cabin volume, airflow characteristics, and comfort requirements of different ships by adjusting the base frequency A and the proportional coefficient S, which greatly improves the engineering adaptability and configurability of the product.

[0062] The above embodiments establish a quantitative mapping relationship between the target air volume Q and the target alternation frequency f, seamlessly converting environmental demand commands (air volume) into underlying hardware execution commands (frequency). This design makes the response behavior of the control system completely predictable and accurately calculable, fundamentally avoiding the lag, overshoot, or instability problems that may be caused by traditional experience-based adjustment or fuzzy control, and ensuring the accuracy, efficiency, and reliability of the entire control chain of "speed perception - air volume decision - frequency execution".

[0063] In one embodiment, the current navigation state parameters include the real-time roll amplitude of the ship; the method provided in this application embodiment further includes: determining the vibration energy recovery rate based on the real-time roll amplitude of the ship; and supplying the electrical energy converted according to the vibration energy recovery rate to the first electromagnet and / or the second electromagnet.

[0064] This embodiment introduces the ship's real-time roll amplitude as a key input parameter, which not only senses the environmental conditions affecting air supply demand, but also actively assesses available environmental energy sources. Specifically, based on the real-time roll amplitude, the current vibration energy recovery rate is calculated through a predetermined relationship (e.g., the following formula (3)). This recovery rate quantitatively characterizes the proportion of ship mechanical vibration that can be converted into electrical energy and used by the air conditioning system through vibration energy harvesting devices such as piezoelectric devices.

[0065] Formula (3) In formula (3), It indicates the current vibration energy recovery rate, usually expressed as a percentage (%), which quantifies the proportion of electrical energy converted from vibration that can be used in air conditioning systems; The real-time roll amplitude of the ship is expressed in degrees (°); K is the system efficiency coefficient, which is a constant related to the arrangement density, conversion efficiency and circuit characteristics of the vibration energy harvesting device, for example, a value of 0.04.

[0066] Formula (3) establishes the vibration energy recovery rate With the ship's real-time roll amplitude The linear proportionality between the two indicates that the more violent the ship's rolling, the more vibrational energy can be recovered and utilized. The recovery rate calculated using this formula... It is directly used to guide the system in the intelligent allocation and scheduling of vibration-recovered electrical energy and main power supply.

[0067] Based on this, the system implements an intelligent energy dispatching strategy: prioritizing the supply of electrical energy converted according to this recovery rate to the first and / or second electromagnets driving the reciprocating motion of the induced draft vanes. This means that when the ship experiences significant swaying due to wind and waves, the driving energy of the air conditioning system can be partially or even entirely derived from the recovered "free" vibration energy, thereby directly reducing the load demand on the ship's main generator or main power supply.

[0068] This design transforms a traditional "energy-consuming device" into a system with partial "energy self-sufficiency" capabilities. By converting adverse factors (vibration) during ship navigation into usable energy, this embodiment not only achieves basic ventilation functions but also practices energy conservation, significantly improving the overall energy efficiency of the ship.

[0069] Based on the above embodiments, this application provides an adaptive control method and a dynamic coupling mechanism for ship navigation state to form a closed-loop adaptive system, the complete logic flow of which is as follows: 1. Multi-parameter sensing and fusion Two core operating parameters are collected in real time and synchronously via the ship's bus or dedicated sensors: speed V and roll amplitude θ. Speed ​​V is directly related to the cabin heat load and fresh air demand, and is the main basis for determining the air conditioning supply volume; roll amplitude θ reflects the intensity of the ship's swaying and is a direct indicator for assessing the amount of available vibration energy.

[0070] 2. Dynamic Calculation and Decision Making The control unit performs fusion calculations on the collected parameters to generate precise execution instructions: Energy recovery assessment: First, when the ship is moored / berthed (V=0), the vibration energy recovery system is off and the main power supply is at full load; when the ship is sailing (V>0), the vibration energy recovery system is activated. At this time, based on the roll amplitude θ, the vibration energy recovery rate is calculated in real time according to the above formula (3). Quantify the proportion of electricity that can currently be supplied to the air conditioning system by vibration energy.

[0071] Load demand matching: Based on the ship's speed V, the target air supply volume Q is dynamically determined using the above formula (1). This ensures that the air supply capacity is always matched with the ship's actual operating load.

[0072] Target alternation frequency generation: Substitute the target air volume Q into the above formula (2) to finally calculate the target alternation frequency f. This frequency directly commands the on / off rhythm of the electromagnet, thereby precisely controlling the reciprocating speed of the exhaust plate.

[0073] 3. Strategy Execution and Energy Management The frequency converter (i.e., the control unit) generates a drive signal based on the target alternating frequency f, controlling the first and second electromagnets to periodically alternate energization at this frequency. Simultaneously, the system performs intelligent energy scheduling: prioritizing the use of energy generated by the vibration energy recovery device based on the recovery rate. The converted electrical energy powers the electromagnet; any shortfall is automatically supplemented by the ship's main power supply. This mechanism significantly reduces the load on the main generator from the air conditioning system.

[0074] This adaptive control strategy can seamlessly switch according to the ship's state, and its typical operating modes are shown in Table 1 below: Table 1

[0075] 4. System Security Mechanism To improve reliability, the control system in this embodiment integrates multiple protection mechanisms: Independent current regulation: The coil drive current I is adjusted independently of the target alternating frequency f. Its function is to provide sufficient electromagnetic force for the movement of the wind deflector, ensuring stable and accurate movement under different frequencies and disturbances such as wind resistance and ship sway. The current magnitude can be dynamically compensated according to actual needs.

[0076] Abnormal operating condition protection: Monitor the real-time roll amplitude of the ship; when the real-time roll amplitude exceeds the preset safety threshold, control the air conditioning unit to perform protection operations, including: suspending the electromagnet-based drive and switching to the standby air supply mode to maintain the preset minimum air supply volume.

[0077] Specifically, when extreme sea conditions are detected (such as roll amplitude θ > 25°), the system immediately triggers protection logic: suspending the electromagnetic drive mode, and after a short delay (e.g., 0.5 seconds), switching to a purely mechanical backup damper to maintain a minimum air supply of no less than 20%. Once the ship's attitude stabilizes, the system automatically and smoothly switches back to the aforementioned adaptive frequency control mode. This mechanism significantly reduces the risk of system downtime in severe sea conditions, and the noise fluctuations caused by mode switching are minimal.

[0078] In summary, this embodiment provides a highly integrated and intelligent ship air conditioning control method. It utilizes dual-parameter sensing (V, θ) → dual-path calculation (… The closed-loop logic of Q) → core objective alternating frequency f decision → intelligent energy scheduling realizes deep self-adaptation between the air conditioning system and the ship's navigation conditions. Combined with an independent power guarantee mechanism (current I regulation) and system-level protection strategies, it achieves performance improvements in multiple dimensions such as high-efficiency heat exchange, significant energy saving, quiet operation, and high reliability of the air conditioning system in the special and variable environment of offshore vessels.

[0079] This application provides an air conditioning unit and its control method. The air conditioning unit utilizes a core structure where a first electromagnet and a second electromagnet alternately drive the reciprocating motion of the air intake plate, replacing the traditional rotary fan and achieving a fundamental innovation in air delivery principles. This structure eliminates high-speed rotating components such as fan impellers and motors at the source, significantly reducing unit operating noise to only airflow noise, thus greatly improving the cabin acoustic environment. Simultaneously, this direct-drive structure has fewer moving parts and a simpler transmission path, resulting in lower mechanical losses, reduced energy consumption, and improved system reliability and maintainability. Furthermore, this structural form frees the unit from the constraints of traditional fans on its shape, allowing for flexible design of various shapes and sizes to suit different installation spaces, thus enhancing adaptability. The control method provided in this application obtains the ship's current navigation status parameters and determines the target air supply volume accordingly. Then, it generates a drive signal to control the alternating operation of the electromagnet, realizing adaptive matching between the air supply volume and the ship's operating conditions. This enables the air conditioning output to dynamically respond to the ship's actual heat load demand, avoiding "over-air supply" or "under-air supply". While ensuring comfort, it optimizes operating energy efficiency and improves the overall operational rationality.

[0080] Figure 6 This is a block diagram illustrating an embodiment of a control device for an air conditioning unit provided in this application. Figure 6 As shown, the device includes: The navigation status monitoring module 61 is used to acquire the current navigation status parameters of the ship to which the air conditioning unit is installed; The target determination module 62 is used to determine the target air supply volume of the air conditioning unit based on the current navigation status parameters. The control module 63 is used to generate and output a drive signal for controlling the alternating energization of the first electromagnet and the second electromagnet according to the target air volume, so as to adjust the reciprocating motion of the air duct.

[0081] In one possible implementation, the current navigation status parameter includes the ship's real-time speed; The target determination module 62 is specifically used for: The target air volume is determined based on the real-time speed; wherein the target air volume is positively correlated with the real-time speed.

[0082] In one possible implementation, the control module 63 is specifically used for: Based on the target air volume, determine the target alternation frequency of the first electromagnet and the second electromagnet; A drive signal with the target alternation frequency is generated and output to control the first electromagnet and the second electromagnet to be periodically and alternately energized at the target alternation frequency.

[0083] In one possible implementation, the current navigation state parameters include the real-time roll amplitude of the vessel; the device further includes: The vibration energy recovery module is used to determine the vibration energy recovery rate based on the real-time roll amplitude. The electrical energy converted according to the vibration energy recovery rate is supplied to the first electromagnet and / or the second electromagnet.

[0084] In one possible implementation, the device further includes: An anomaly protection module is used to monitor the real-time roll amplitude of the vessel; When the real-time sway amplitude exceeds the preset safety threshold, the air conditioning unit is controlled to perform a protection operation. The protection operation includes: pausing the electromagnet-based drive and switching to the standby air supply mode to maintain the preset minimum air supply volume.

[0085] like Figure 7 As shown, this application embodiment provides an air conditioner, including the air conditioning unit 115, processor 111, communication interface 112, memory 113, and communication bus 114 provided in the above embodiment. The processor 111, communication interface 112, and memory 113 communicate with each other via the communication bus 114. Memory 113 is used to store computer programs; In one embodiment of this application, when the processor 111 executes a program stored in the memory 113, it implements the control method provided in any of the foregoing method embodiments, including: Obtain the current navigation status parameters of the ship to which the air conditioning unit is installed; Based on the current navigation status parameters, determine the target air supply volume of the air conditioning unit; Based on the target air volume, a drive signal is generated and output to control the alternating energization of the first electromagnet and the second electromagnet, so as to adjust the reciprocating motion of the air duct.

[0086] This application also provides a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements the steps of the control method provided in any of the foregoing method embodiments.

[0087] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0088] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented using software plus a general-purpose hardware platform, or of course, using hardware. Based on this understanding, the above technical solutions, in essence or the parts that contribute to the related technology, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0089] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0090] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement 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 claimed herein.

Claims

1. An air conditioning unit, comprising: The air conditioning unit comprises: a unit shell; an air inlet system comprising a first air inlet group and a second air inlet group respectively arranged at two ends of the unit shell, each air inlet group comprising a return air inlet and a supply air inlet; a heat exchanger arranged in the unit shell and located in an inner side air duct of the return air inlet; a driving mechanism comprising a first electromagnet and a second electromagnet respectively fixed to the inner sides of the unit shell; a draft plate made of a magnetically adsorbable material, which is arranged between the first electromagnet and the second electromagnet in a reciprocating manner and separates the unit shell into a first cavity and a second cavity which are not connected to each other, wherein the first cavity is in communication with the first air inlet group and the second cavity is in communication with the second air inlet group; a control unit for controlling the first electromagnet and the second electromagnet to be powered alternately; when the first electromagnet is powered, the draft plate moves to the first electromagnet under the action of magnetic force, compresses the first cavity and expands the second cavity, so that the air in the first cavity is discharged through the corresponding supply air inlet, while the external air enters the second cavity through the return air inlet of the second cavity after being heated by the heat exchanger; when the second electromagnet is powered, the draft plate moves to the second electromagnet under the action of magnetic force, compresses the second cavity and expands the first cavity, so that the air in the second cavity is discharged through the corresponding supply air inlet, while the external air enters the first cavity through the return air inlet of the first cavity after being heated by the heat exchanger.

2. The air conditioning unit of claim 1, wherein The return air inlets and the supply air inlets are each provided with vanes which can be driven to open and close by air flow pressure; When the cavity is compressed to form positive pressure, the vanes of the supply air inlet of the cavity open and the vanes of the return air inlet close; when the cavity is expanded to form negative pressure, the vanes of the return air inlet of the cavity open and the vanes of the supply air inlet close; The vanes of the supply air inlet are configured to open towards the outside of the unit shell, and the vanes of the return air inlet are configured to open towards the inside of the unit shell.

3. The air conditioning unit of claim 1, wherein Further comprising: a position detection sensor arranged on the unit shell and in communication connection with the control unit, for detecting whether the draft plate moves to the limit position close to the first electromagnet or the second electromagnet; The control unit is used for cutting off the power supply of the electromagnet on one side and simultaneously starting the power supply of the electromagnet on the opposite side when it is determined according to the signal of the position detection sensor that the draft plate reaches the limit position on one side.

4. The air conditioning unit of claim 3, wherein Further comprising: a telescopic strip connected between the draft plate and the unit shell, for telescoping with the reciprocating movement of the draft plate to limit the movement stroke of the draft plate.

5. The air conditioning unit of claim 1, wherein Further comprising: a vibration energy recovery device for collecting the vibration energy of a ship on which the air conditioning unit is installed and converting it into electric energy to supply power to the air conditioning unit.

6. The air conditioning unit of claim 1, wherein The control unit is a variable frequency controller for adjusting the power-on parameters of the first electromagnet or the second electromagnet to control the reciprocating movement speed and force of the draft plate.

7. A control method for the air conditioning unit as claimed in any one of claims 1 to 6, characterized in that, The method comprises: acquiring the current sailing state parameters of a ship on which the air conditioning unit is installed; determining the target supply air volume of the air conditioning unit according to the current sailing state parameters; According to the target air supply amount, a drive signal for controlling the first electromagnet and the second electromagnet to be alternately powered is generated and outputted, so as to adjust the reciprocating movement of the air guide plate.

8. The method of claim 7, wherein, The current navigation state parameter includes a real-time sailing speed of the ship. The method further includes: According to the real-time sailing speed, the target air supply amount is determined, wherein the target air supply amount is positively correlated with the real-time sailing speed.

9. The method of claim 7, wherein, According to the target air supply amount, the drive signal for controlling the first electromagnet and the second electromagnet to be alternately powered is generated and outputted, including: According to the target air supply amount, a target alternating frequency of the first electromagnet and the second electromagnet is determined; The drive signal with the target alternating frequency is generated and outputted, so as to control the first electromagnet and the second electromagnet to be periodically and alternately powered with the target alternating frequency.

10. The control method according to claim 7, characterized by, The current navigation state parameter includes a real-time rolling amplitude of the ship; the method further includes: According to the real-time rolling amplitude, a vibration energy recovery rate is determined; The electric energy converted according to the vibration energy recovery rate is supplied to the first electromagnet and / or the second electromagnet.

11. The control method according to claim 7, characterized by, The method further includes: The real-time rolling amplitude of the ship is monitored; When the real-time rolling amplitude exceeds a preset safety threshold, the air conditioning unit is controlled to perform a protection operation, including: suspending the driving based on the electromagnet, and switching to a backup air supply mode to maintain a preset minimum air supply amount.

12. A control device for the air conditioning unit as claimed in any one of claims 1 to 6, characterized in that The method further includes: A navigation state monitoring module is configured to acquire a current navigation state parameter of a ship on which the air conditioning unit is installed; A target determination module is configured to determine a target air supply amount of the air conditioning unit according to the current navigation state parameter; A control module is configured to generate and output a drive signal for controlling the first electromagnet and the second electromagnet to be alternately powered according to the target air supply amount, so as to adjust the reciprocating movement of the air guide plate.

13. An air conditioner characterized by comprising: The air conditioning unit includes any one of the air conditioning units in claims 1-6.

14. A storage medium, characterized by The storage medium stores one or more programs, which can be executed by one or more processors to implement the control method in any one of claims 7-11.

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