Oxygen generating air conditioner, control method of oxygen generating air conditioner, and oxygen generating air conditioning system
By designing the air compressor and molecular sieve to be located outdoors and indoors respectively, and utilizing natural cooling, the noise and maintenance problems of traditional oxygen generation modules are solved, providing a quiet operating environment and convenient maintenance solutions.
Patent Information
- Application Number
- CN202411832471.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2044-12-12
AI Technical Summary
The air compressor in a traditional oxygen generator module generates significant noise during operation, and the molecular sieve and filter screen are inconvenient to replace due to their outdoor design, increasing the user's maintenance costs and difficulty.
The air compressor is designed on the outdoor unit of the air conditioner, while the molecular sieve and filter are designed on the indoor unit and connected by pipes. This utilizes natural cooling to reduce noise and simplify maintenance.
It effectively reduces indoor noise, simplifies the replacement and maintenance process of consumables, reduces maintenance costs, and improves user experience and product competitiveness.
Smart Images

Figure CN119665309B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of air conditioners, in particular to an oxygen generating air conditioner, a control method of the oxygen generating air conditioner and an oxygen generating air conditioning system. BACKGROUND
[0002] In modern life, with the improvement of people's requirements for indoor air quality, oxygen generating air conditioning technology has gradually become one of the important means to improve indoor air quality. The oxygen generating air conditioner improves the oxygen content of indoor air by setting an oxygen generating module, thereby providing a more healthy and comfortable living environment for users. However, the traditional design of the oxygen generating module has some problems, which affects its use experience and market competitiveness.
[0003] The air compressor in the oxygen generating module produces a lot of noise when it works, and the molecular sieve and filter screen in the oxygen generating module are consumables that need to be replaced regularly. Since these components are designed outdoors, it is inconvenient to operate when replacing them, increasing the user's maintenance cost and difficulty. SUMMARY
[0004] The main purpose of the present application is to provide an oxygen generating air conditioner, a control method of the oxygen generating air conditioner and an oxygen generating air conditioning system, to at least solve the problem that the air compressor in the oxygen generating module produces a lot of noise when it works, and the molecular sieve and filter screen in the oxygen generating module are designed outdoors, which is inconvenient to operate when replacing them.
[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present application, an oxygen generating air conditioner is provided, comprising: an air conditioner outdoor unit, the air conditioner outdoor unit at least comprising an air compressor, the air conditioner outdoor unit being located outdoors; an air conditioner indoor unit, the air conditioner indoor unit at least comprising a molecular sieve and a filter screen, the air conditioner indoor unit being located indoors, the air compressor and the molecular sieve being connected by a pipeline, the filter screen being located between the air compressor and the molecular sieve.
[0006] Optionally, the molecular sieve comprises: an oxygen gas outlet for dispersing oxygen in the room.
[0007] Optionally, the molecular sieve comprises: a nitrogen gas outlet connected to the air compressor through a first pipeline, nitrogen gas discharged through the nitrogen gas outlet being used to cool the air compressor; an air inlet connected to the air compressor through a second pipeline, the second pipeline being located in the first pipeline, the air compressor delivering air to the molecular sieve through the second pipeline, the air delivered by the air compressor being cooled in the first pipeline.
[0008] Optionally, the oxygen production air conditioner further comprises: a pressure sensor configured to detect the pressure of the output air of the air compressor; a differential pressure sensor configured to detect the differential pressure of two sides of the filter screen; a flow sensor configured to detect the output flow of the output end of the air compressor; a first flow valve configured to control the output flow of the output end of the air compressor; a second flow valve configured to control the output flow of the output end of the molecular sieve; and an oxygen concentration sensor configured to detect the concentration of oxygen at the output end of the molecular sieve.
[0009] According to another aspect of the present application, a control method of any of the oxygen production air conditioners is provided, the oxygen production air conditioner comprising a pressure sensor and a first flow valve, the pressure sensor being configured to detect the pressure of the output air of the air compressor, the first flow valve being configured to control the output flow of the output end of the air compressor, the method comprising: obtaining a current pressure, wherein the current pressure is the current air pressure output by the air compressor; obtaining a preset pressure, wherein the preset pressure is the standard air pressure output by the air compressor; adjusting the rotation speed of the air compressor and / or the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure, until the difference between the current pressure and the preset pressure is less than a preset pressure difference value.
[0010] Optionally, the oxygen production air conditioner comprises a differential pressure sensor configured to detect the differential pressure of two sides of the filter screen, and after adjusting the rotation speed of the air compressor and / or the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure, the method further comprises: obtaining a current differential pressure, wherein the current differential pressure is the current differential pressure of two sides of the filter screen; and generating a prompt information in the case that the current differential pressure is greater than or equal to a preset differential pressure threshold, wherein the prompt information indicates that the filter screen needs to be cleaned and / or replaced.
[0011] Optionally, the oxygen production air conditioner comprises a flow sensor configured to detect the output flow of the output end of the air compressor, and after adjusting the rotation speed of the air compressor and / or the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure, the method further comprises: obtaining a current flow, wherein the current flow is the current air flow output by the air compressor; obtaining a preset flow, wherein the preset flow is the standard air flow output by the air compressor; adjusting the rotation speed of the air compressor and / or the opening degree of the first flow valve according to the difference between the current flow and the preset flow, until the difference between the current flow and the preset flow is less than a preset flow difference value.
[0012] Optionally, the oxygen generator air conditioner comprises an oxygen concentration sensor configured to detect the concentration of oxygen at the output end of the molecular sieve, and after the speed of the air compressor and / or the opening of the first flow valve is adjusted according to the difference between the current pressure and the preset pressure, the method further comprises: obtaining a current oxygen concentration, wherein the current oxygen concentration is the current concentration of oxygen output by the molecular sieve; obtaining a preset oxygen concentration, wherein the preset oxygen concentration is the standard concentration of oxygen output by the molecular sieve; and adjusting the working temperature and / or the working pressure of the molecular sieve according to the difference between the current oxygen concentration and the preset oxygen concentration until the difference between the current oxygen concentration and the preset oxygen concentration is less than a first preset oxygen concentration difference.
[0013] Optionally, the oxygen generator air conditioner comprises a second flow valve configured to control the output flow at the output end of the molecular sieve, and after the speed of the air compressor and / or the opening of the first flow valve is adjusted according to the difference between the current pressure and the preset pressure, the method further comprises: obtaining an oxygen demand, wherein the oxygen demand is the demand for the concentration of oxygen corresponding to the indoor area; and adjusting the opening of the second flow valve according to the difference between the current oxygen concentration and the oxygen demand until the difference between the current oxygen concentration and the oxygen demand is less than a second preset oxygen concentration difference.
[0014] According to still another aspect of the present application, an oxygen generator air conditioning system is provided, which comprises: an oxygen generator air conditioner, which is any of the oxygen generator air conditioners; and a controller in communication connection with the oxygen generator air conditioner, the controller being configured to execute the control method of any of the oxygen generator air conditioners.
[0015] By applying the technical solution of the present application, the air compressor is designed on the outdoor unit of the air conditioner, the molecular sieve and the filter screen are designed on the indoor unit, the air compressor and the molecular sieve are connected through a pipeline, and the filter screen is designed between the air compressor and the molecular sieve. The outdoor installation of the air compressor effectively reduces indoor noise and provides a more quiet use environment. The indoor installation of the molecular sieve and the filter screen makes it easy for users to replace and maintain them, thereby reducing maintenance cost and difficulty. The above-mentioned solution solves the problem of inconvenient replacement of consumables such as the molecular sieve and the filter screen outdoors, and also solves the problem of noise affecting the indoor environment when the entire oxygen generator module is operated indoors. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the specification explain the application. The use of these drawings in explaining the application does not imply that the present application should be limited to the embodiments illustrated therein. In the drawings:
[0017] Figure 1 A schematic diagram of an air conditioner outdoor unit is shown;
[0018] Figure 2 A schematic diagram of an air conditioner indoor unit is shown;
[0019] Figure 3 A schematic diagram of the communication pipeline of the air conditioner outdoor unit and the air conditioner indoor unit is shown;
[0020] Figure 4 A hardware structure block diagram of a mobile terminal for executing a control method of an oxygen production air conditioner according to an embodiment of the present application is shown;
[0021] Figure 5 A flowchart of a control method of an oxygen production air conditioner according to an embodiment of the present application is shown;
[0022] Figure 6 A structure block diagram of a control device of an oxygen production air conditioner according to an embodiment of the present application is shown.
[0023] Among the above-mentioned drawings, the following reference signs are included:
[0024] 102, processor; 104, memory; 106, transmission device; 108, input and output device; 10, air conditioner outdoor unit; 11, air compressor; 12, air conditioner indoor unit; 13, molecular sieve; 14, filter screen; 15, cavity; 16, oxygen outlet; 17, fan; 18, first pipeline; 19, second pipeline; 20, air flow direction; 21, nitrogen flow direction; 22, pressure sensor; 23, differential pressure sensor; 24, second flow valve. DETAILED DESCRIPTION
[0025] It should be noted that the embodiments and features in the present application can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.
[0026] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.
[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0028] For ease of description, the following describes some nouns or terms related to the embodiments of the present application:
[0029] Oxygen production module: refers to a device that separates oxygen and nitrogen in air using an air compressor and a molecular sieve to obtain air with high oxygen concentration.
[0030] As introduced in the background, the air compressor in the oxygen production module in the prior art generates a large amount of noise when working, and the molecular sieve and filter screen in the oxygen production module are designed outdoors, which is inconvenient to operate when replacing. To solve the above problems, the embodiments of the present application provide an oxygen production air conditioner, a control method of the oxygen production air conditioner and an oxygen production air conditioning system.
[0031] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.
[0032] The present application provides an oxygen production air conditioner, as shown in Figure 1 and Figure 2 , comprising:
[0033] Air conditioner outdoor unit 10, the air conditioner outdoor unit at least includes air compressor 11, the air conditioner outdoor unit is located outdoors;
[0034] Air conditioner indoor unit 12, the air conditioner indoor unit at least includes molecular sieve 13 and filter screen 14, the air conditioner indoor unit is located indoors, the air compressor and the molecular sieve are connected through a pipeline, and the filter screen is located between the air compressor and the molecular sieve.
[0035] By the embodiment, the air compressor is designed on the air conditioner outdoor unit, the molecular sieve and the filter screen are designed on the indoor unit, the air compressor and the molecular sieve are connected through the pipeline, and the filter screen is designed between the air compressor and the molecular sieve. The air compressor is installed outdoors to effectively reduce indoor noise and provide a more quiet use environment. The molecular sieve and the filter screen are installed indoors, and users can easily replace and maintain them, reducing maintenance cost and difficulty. The above scheme solves the problem of inconvenient replacement of consumables such as the molecular sieve and the filter screen outdoors, and also solves the problem of noise affecting the indoor environment when the entire oxygen generation module is operated indoors.
[0036] Specifically, the air compressor in the oxygen generation module in the prior art generates a large amount of noise when working. In order to reduce the impact on the indoor environment, the oxygen generation module is usually designed and installed outdoors. The molecular sieve and the filter screen in the oxygen generation module are consumables and need to be replaced regularly. Since these components are designed outdoors, it is inconvenient to replace them, increasing the maintenance cost and difficulty for users.
[0037] Specifically, in the above scheme of the present application, the problem of noise affecting the indoor environment when the entire oxygen generation module is operated indoors and the problem of inconvenient replacement of consumables such as the molecular sieve and the filter screen outdoors are effectively solved. The filter screen can effectively remove dust, particulate matter and other impurities in the air, ensuring that the air delivered to the molecular sieve is clean and improving the service life and separation efficiency of the molecular sieve.
[0038] The air compressor is installed outdoors to effectively reduce indoor noise and provide a more quiet use environment. The molecular sieve and the filter screen are installed indoors, and users can easily replace and maintain them, reducing maintenance cost and difficulty.
[0039] Specifically, the scheme of the present application effectively solves the problems of noise, inconvenient maintenance and complex equipment of the traditional oxygen generation module by designing the air compressor, the molecular sieve and the filter screen on the outdoor and indoor units respectively and using natural cooling.
[0040] Specifically, as shown in Figure 1 the cavity 15 for installing the air compressor is designed on the outdoor unit shell, and the air compressor is installed on the outdoor unit shell. The molecular sieve is designed on the indoor unit. The pipeline is designed to connect the outdoor air compressor and the indoor molecular sieve, and the filter screen is designed on the pipeline path indoors.
[0041] Specifically, the air compressor pressurizes the outdoor air and delivers it to the molecular sieve through the pipeline. In the delivery process, the air passes through the filter screen to remove impurities therein. The molecular sieve separates oxygen and nitrogen in the air.
[0042] An air compressor is a device used to compress air by increasing its pressure to reduce its volume. In an oxygen-making air conditioning system, the air compressor's role is to compress outdoor atmospheric air to a higher pressure to facilitate subsequent oxygen separation processes. The process of compressing air generates a large amount of heat, which is why the temperature of the air compressor rises when it is working. Designers usually take into account the noise and heat dissipation of the air compressor to ensure its efficient and stable operation.
[0043] Molecular sieve is a material with the function of adsorbing and separating gas mixtures. Its structure contains many small pores, the size of which can be precisely controlled, thereby selectively adsorbing certain gas molecules in the air, such as nitrogen. In an oxygen-making air conditioning system, molecular sieve enriches oxygen by adsorbing nitrogen in the air. Molecular sieve usually needs to be regenerated periodically to restore its adsorption capacity, and the regeneration process usually involves heating and decompression.
[0044] The filter screen is used to remove impurities such as dust, pollen, smoke particles, etc. in the air to provide clean air to the molecular sieve system. In an oxygen-making air conditioner, the filter screen is located before the air enters the molecular sieve, which can effectively prevent impurities from entering the molecular sieve and affecting its separation efficiency and service life. The filter screen needs to be cleaned or replaced regularly to maintain its filtering effect.
[0045] In the implementation process, as shown in Figure 2 The above-mentioned molecular sieve includes an oxygen outlet 16, which is used to disperse oxygen in the room.
[0046] In this scheme, the oxygen outlet of the molecular sieve is connected to the indoor unit, and the oxygen is evenly dispersed in the indoor space through the indoor unit. It solves the problem of uneven distribution of indoor oxygen concentration caused by the concentration of oxygen in a certain place.
[0047] Specifically, the above-mentioned scheme of the present application separates oxygen from the molecular sieve through the oxygen outlet connected to the indoor unit, and the fan of the indoor unit blows the oxygen evenly to the indoor space, improving the indoor air quality.
[0048] Specifically, the air compressor is a key component in the air conditioning system, responsible for providing air pressure to the molecular sieve. However, the air compressor generates a lot of noise during operation. Designing the air compressor on the outdoor unit of the air conditioner can effectively reduce the noise generated by the air compressor and its impact on the indoor environment. The molecular sieve is a high-efficiency gas separation material that can separate oxygen and nitrogen in the air. Designing the molecular sieve on the indoor unit and connecting it to the indoor unit through the oxygen outlet can evenly distribute the oxygen to the indoor space through the fan of the indoor unit, improving the indoor air quality and providing a fresher and healthier air environment. The filter is designed between the air compressor and the molecular sieve: the filter can effectively remove dust, particulate matter, and other impurities in the air, ensuring that the air delivered to the molecular sieve is clean, improving the service life and separation efficiency of the molecular sieve.
[0049] Specifically, as shown in Figure 2 , the separated oxygen is delivered to the indoor unit through the oxygen outlet, and then evenly distributed to the indoor space through the fan 17 of the indoor unit, providing fresh air.
[0050] In the existing scheme, the gas temperature from the air compressor is high, and needs to be cooled before passing through the molecular sieve. The traditional solution is to add additional cooling equipment, which not only increases the complexity and volume of the equipment, but also increases the cost.
[0051] In some embodiments, as shown in Figure 3 , the above-mentioned molecular sieve includes a nitrogen gas outlet and an air inlet, the nitrogen gas outlet is connected to the air compressor through a first pipeline 18, and the nitrogen gas discharged through the nitrogen gas outlet cools the air compressor; the air inlet is connected to the air compressor through a second pipeline 19, the second pipeline is located in the first pipeline, the air compressor delivers air to the molecular sieve through the second pipeline, and the air delivered by the air compressor is cooled in the first pipeline.
[0052] In the scheme, the molecular sieve separates oxygen and nitrogen in the air during operation. Oxygen is transported to the room through the oxygen outlet of the molecular sieve, while nitrogen is discharged through the nitrogen outlet of the molecular sieve. The first pipeline is connected to a part of the air compressor (usually the cavity or heat dissipation area of the air compressor). In this way, when the molecular sieve separates nitrogen, the nitrogen will flow back to the air compressor through the first pipeline, using the cooling effect of the nitrogen to help the air compressor dissipate heat and reduce its operating temperature. After the air compressor compresses the air, it needs to transport the compressed air to the molecular sieve for gas separation. In order to utilize the cooling effect of the nitrogen backflow, a clever pipeline layout is designed. The air compressor transports air to the molecular sieve through the "second pipeline", which is designed inside the first pipeline. This means that the high-temperature air output by the air compressor will exchange heat with the nitrogen in the first pipeline during transportation to the molecular sieve. Nitrogen as a cooling medium can reduce the temperature of the air output by the air compressor, which not only reduces the need for additional cooling equipment, but also improves the separation efficiency of the molecular sieve.
[0053] Specifically, as shown in Figure 3 the first pipeline is the pipeline for transporting air to the air compressor, and the second pipeline is the pipeline for discharging nitrogen, Figure 3 the pink arrow indicates the direction of air flow 20, and the blue arrow indicates the direction of nitrogen flow 21.
[0054] Specifically, the nitrogen outlet of the molecular sieve extends to the air compressor cavity installed outdoors through the pipeline, and the air compressor is cooled by nitrogen. The pipeline for transporting air from the air compressor to the molecular sieve is designed inside the pipeline for discharging nitrogen, so that the air output by the air compressor exchanges heat in the nitrogen discharge pipeline, effectively reducing the temperature of the air output by the air compressor. This solves the problem of additional cooling equipment required for air compressor exhaust gas. It solves the problem of high temperature during operation of the air compressor, which is difficult to cool. The above scheme solves the problem of high temperature of the air compressor caused by heat generated during operation, which affects the working efficiency and service life.
[0055] Specifically, in the above scheme of the present application, the pipeline natural heat exchange cooling design makes the oxygen generating module not need additional cooling equipment, simplifies the equipment structure, reduces the volume and cost. The separated nitrogen extends to the air compressor cavity installed outdoors through the pipeline, and the air compressor is cooled by nitrogen. It can effectively reduce the operating temperature of the air compressor and improve its working efficiency and service life. Through the above improvement, the oxygen air conditioner not only improves the user experience, but also enhances the market competitiveness of the product.
[0056] Specifically, in the above-described scheme of this application, the nitrogen separated by the molecular sieve is discharged to an outdoor air compressor through a pipeline. The nitrogen can be used to cool the air compressor and reduce its operating temperature. This can effectively reduce the temperature of the air compressor and improve its working efficiency and lifespan.
[0057] Specifically, the above-mentioned solution in this application solves the problem of requiring additional cooling equipment for the exhaust gas of the air compressor. The design utilizing natural heat exchange cooling in the pipeline eliminates the need for additional cooling equipment for the oxygen generation module, simplifying the equipment structure and reducing its size and cost.
[0058] Specifically, the separated nitrogen gas is piped to the outdoor-installed air compressor chamber, where it is used to cool the air compressor. This effectively reduces the operating temperature of the air compressor, improving its efficiency and lifespan. The pipe supplying air from the air compressor to the molecular sieve is designed inside the nitrogen exhaust pipe, allowing the air output from the air compressor to undergo heat exchange within the nitrogen exhaust pipe. This effectively reduces the temperature of the air output from the air compressor. The natural heat exchange cooling design eliminates the need for additional cooling equipment for the oxygen generation module, simplifying the equipment structure and reducing its size and cost.
[0059] In the specific implementation process, such as Figure 1 and Figure 2 As shown, the oxygen-generating air conditioner also includes a pressure sensor 22, a differential pressure sensor 23, a flow sensor (not shown in the figure), a first flow valve (not shown in the figure), a second flow valve 24, and an oxygen concentration sensor. The pressure sensor is used to detect the pressure of the output air from the air compressor; the differential pressure sensor is used to detect the pressure difference across the filter; the flow sensor is used to detect the output flow rate at the output end of the air compressor; the first flow valve is used to control the output flow rate at the output end of the air compressor; the second flow valve is used to control the output flow rate at the output end of the molecular sieve; and the oxygen concentration sensor is used to detect the oxygen concentration at the output end of the molecular sieve.
[0060] In the scheme, the pressure sensor is installed at the output end of the air compressor for real-time monitoring of the pressure of the air output by the air compressor. The differential pressure sensor is used to detect the pressure difference on both sides of the filter screen, i.e., the pressure difference between the front of the filter screen (clean air side) and the back of the filter screen (air passing through the filter side). The flow sensor is used to detect the air flow at the output end of the air compressor to ensure that the molecular sieve is supplied with stable and sufficient air for gas separation. The first flow valve is connected to the output end of the air compressor for controlling the air flow output by the air compressor to the molecular sieve to ensure that the molecular sieve can be supplied with an appropriate amount of air for separation, while avoiding unnecessary energy loss of the air compressor. The second flow valve is located at the oxygen output end of the molecular sieve for controlling the oxygen flow separated out to adjust the oxygen supply according to the actual demand in the room to ensure that the oxygen concentration in the room is maintained at an ideal level. The oxygen concentration sensor is installed at the output end of the molecular sieve for monitoring the concentration of the separated oxygen. Through the precise monitoring and control of these sensors and valves, the air conditioner control can realize automatic adjustment to ensure that the air compression, filtration and oxygen separation are all in the optimal state during the entire operation process, thereby providing stable, efficient and safe oxygen supply while reducing maintenance costs and improving user comfort.
[0061] Specifically, an oxygen sensor can also be arranged at the position of the second flow valve.
[0062] In summary, the above scheme of the present application effectively solves the problems of noise, inconvenience of maintenance and complex equipment of the traditional oxygen generation module by designing the air compressor and the molecular sieve and the filter screen in the outdoor and indoor respectively and using the natural cooling method. This innovative design improves the performance and user experience of the oxygen generation air conditioner.
[0063] In summary, in the oxygen generation air conditioner technology, the air conditioner improves the indoor air quality by setting an oxygen generation module to increase the oxygen content of the indoor air. The oxygen generation module usually uses a combination of an air compressor, a molecular sieve and a filter screen to generate oxygen. Since the air compressor generates a lot of noise when it works, the oxygen generation module is usually designed and installed outdoors. However, the molecular sieve and the filter screen in the oxygen generation module are consumables, and if they are installed outdoors, it is quite inconvenient to replace them when necessary. In addition, the gas coming out of the air compressor is usually high in temperature and needs to be cooled before passing through the molecular sieve, which increases the complexity of the oxygen generation module and makes it bulky and occupies a lot of space. The present application provides a solution of designing the air compressor in the outdoor and the molecular sieve and the filter screen in the indoor, which increases the distance between the air compressor and the molecular sieve, so that the gas coming out of the molecular sieve can be naturally cooled by the distance, without the need for additional cooling equipment, which not only facilitates the replacement of consumables but also simplifies and miniaturizes the oxygen generation equipment, improving the product competitiveness.
[0064] The method embodiments provided in the embodiments of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Taking the case of running on a mobile terminal,Figure 4 This is a hardware structure block diagram of a mobile terminal for a control method of an oxygen generator air conditioner according to an embodiment of the present invention. Figure 4 As shown, a mobile terminal may include one or more ( Figure 4 Only one is shown in the diagram. A processor 102 (which may include, but is not limited to, a microprocessor MCU or a programmable logic device FPGA, etc.) and a memory 104 for storing data are also shown. The mobile terminal may further include a transmission device 106 for communication functions and an input / output device 108. Those skilled in the art will understand that... Figure 4 The structure shown is for illustrative purposes only and does not limit the structure of the mobile terminal described above. For example, the mobile terminal may also include components that are more... Figure 4 The more or fewer components shown, or having the same Figure 4 The different configurations shown.
[0065] The memory 104 can be used to store computer programs, such as application software programs and modules, like the computer program corresponding to the device information display method in this embodiment of the invention. The processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, thereby implementing the above-described method. The memory 104 may include high-speed random access memory and non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 104 may further include memory remotely located relative to the processor 102, and these remote memories can be connected to the mobile terminal via a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof. The transmission device 106 is used to receive or send data via a network. Specific examples of the aforementioned networks may include wireless networks provided by the mobile terminal's communication provider. In one example, the transmission device 106 includes a network interface controller (NIC), which can be connected to other network devices via a base station to communicate with the Internet. In one example, the transmission device 106 may be a radio frequency (RF) module, which is used to communicate with the Internet wirelessly.
[0066] This embodiment provides a control method for an oxygen-generating air conditioner that runs on a mobile terminal, computer terminal, or similar computing device. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Also, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.
[0067] Figure 5 is a flowchart of a control method of an oxygen-generating air conditioner according to an embodiment of the present application. The oxygen-generating air conditioner includes a pressure sensor and a first flow valve. The pressure sensor is configured to detect the pressure of the output air of the air compressor. The first flow valve is configured to control the output flow of the output end of the air compressor. As shown in Figure 5 the method comprises the following steps:
[0068] In step S201, a current pressure is obtained. The current pressure is the current air pressure output by the air compressor.
[0069] Specifically, the pressure sensor is used to monitor the current output air pressure of the air compressor in real time and transmit the data to the controller. The current pressure refers to the actual measured air pressure output by the air compressor at any given time. Obtaining the current pressure is the basis for implementing the control algorithm, which provides real-time data for subsequent comparison and adjustment.
[0070] In step S202, a preset pressure is obtained. The preset pressure is the standard air pressure output by the air compressor.
[0071] Specifically, the preset pressure refers to a target value within the optimal pressure range for effective separation of oxygen by the molecular sieve during design. This value is usually preset based on the optimal working conditions of the molecular sieve and the efficiency requirements of the entire air conditioning system. Obtaining the preset pressure is the standard for comparison with the current pressure, which is used to determine whether the output pressure of the air compressor is within the ideal range.
[0072] In step S203, the speed of the air compressor and / or the opening degree of the first flow valve are adjusted according to the difference between the current pressure and the preset pressure until the difference between the current pressure and the preset pressure is less than the preset pressure difference.
[0073] Specifically, by comparing the difference between the current pressure and the preset pressure, the speed of the air compressor and / or the opening degree of the first flow valve are automatically adjusted to make the current pressure as close as possible to the preset pressure. The preset pressure difference mentioned here is a set allowable deviation. When the difference between the current pressure and the preset pressure is within the allowable deviation, it is considered that the output pressure of the air compressor has reached a stable state, and the control process ends.
[0074] If the current pressure is lower than the preset pressure, the speed of the air compressor is increased to increase the output pressure of the compressed air to approach the preset value. If the current pressure is higher than the preset pressure, the speed of the air compressor is reduced to reduce the output pressure, also to approach the preset value.
[0075] If it is still difficult to quickly reach the preset pressure by adjusting the air compressor speed, or the design tends to more fine pressure control, the air flow into the molecular sieve can be controlled by adjusting the opening of the first flow valve, thereby indirectly affecting the output pressure of the air compressor. If the pressure needs to be increased, the opening of the first flow valve can be reduced, and vice versa.
[0076] Through this embodiment, through closed-loop control, the output pressure of the air compressor can be continuously monitored and adjusted to ensure it is stable within the preset pressure range, and the air compressor speed and flow valve opening are automatically adjusted, avoiding unnecessary energy waste, ensuring the air conditioning system operates in the optimal state, improving overall energy efficiency and operational economy. Keeping the air compressor running at the right working pressure can reduce equipment overload and wear, prolong the service life of the air compressor, and reduce maintenance costs.
[0077] Specifically, a pressure sensor is installed on the air compressor to monitor the output air pressure in real time. When the pressure is lower or higher than the set value, the speed of the air compressor or the intake valve opening is automatically adjusted to ensure that the molecular sieve is supplied with stable pressure air.
[0078] Assuming that the oxygen production air conditioning system is in operation, the goal is to maintain the air pressure output by the air compressor at 280kPa (preset pressure) to ensure that the molecular sieve separates oxygen and nitrogen in the best state.
[0079] The pressure sensor data at the output end of the air compressor is obtained in real time, and it is assumed that at a certain time, the current pressure measurement value is 270kPa. This pressure value is lower than the preset pressure, and needs to be adjusted. The preset pressure is 280kPa, which is the best pressure value based on design and molecular sieve separation efficiency.
[0080] The difference between the current pressure 270kPa and the preset pressure 280kPa is 10kPa, which exceeds the allowable range of the preset pressure difference 5kPa, and needs to be adjusted.
[0081] First, try to increase the output pressure by increasing the speed of the air compressor to approach the preset pressure. For example, assume that the current air compressor speed is 1800RPM, and the speed is adjusted to 1900RPM to increase the amount of air compression. After adjusting the speed, assume that the current pressure rises to 275kPa, which is still lower than the preset pressure 280kPa, but the difference is reduced to 5kPa, which does not reach the target range. At this time, the opening of the first flow valve is further adjusted.
[0082] The opening of the first flow valve can be adjusted to further control the air flow into the molecular sieve. Assuming that by reducing the opening of the first flow valve (e.g., from 80% to 70%), the air pressure inside the air compressor is further increased until the current pressure reaches 280 kPa, which is equal to the preset pressure, or the difference is reduced to within the allowed range of less than 5 kPa. After that, the current state is defined as a stable state, and the speed of the air compressor and the opening of the first flow valve will be maintained at the adjusted values, unless subsequent pressure sensor data indicates the need for further adjustment. If the current pressure continues to rise to 285 kPa, the output pressure will be reduced again to approach the target value by reducing the speed of the air compressor or increasing the opening of the first flow valve.
[0083] In a specific implementation process, the oxygen-making air conditioner includes a differential pressure sensor for detecting the pressure difference on both sides of the filter screen. After adjusting the speed of the air compressor and / or the opening of the first flow valve according to the difference between the current pressure and the preset pressure, the method further includes the following steps: obtaining the current pressure difference, wherein the current pressure difference is the current pressure difference on both sides of the filter screen; and generating a prompt message if the current pressure difference is greater than or equal to a preset pressure difference threshold, wherein the prompt message indicates that the filter screen needs to be cleaned and / or replaced.
[0084] In this scheme, regular cleaning or replacement of the filter screen can ensure its continuous and effective removal of impurities in the air, ensuring the quality of air received by the molecular sieve, thereby improving the purity of oxygen output and the overall separation efficiency of the air conditioning system. Blockage of the filter screen can cause a decrease in air flow, affecting the normal operation of the air compressor and the molecular sieve, and even causing air conditioning failure. By monitoring the pressure difference and cleaning or replacing the filter screen in a timely manner, such situations can be avoided, and the stability of the air conditioning system can be improved.
[0085] In an oxygen-making air conditioning system, the filter screen is located on the air conveying path between the air compressor and the molecular sieve, and is used to remove dust, particulate matter and other impurities in the air to ensure that the molecular sieve can process clean air and improve its separation efficiency. The differential pressure sensor is installed on both sides of the filter screen to continuously monitor the pressure difference before and after the filter screen. The current pressure difference refers to the pressure difference on both sides of the filter screen measured by the differential pressure sensor at any given time. As the filter screen captures more impurities, its resistance will gradually increase, causing the pressure difference to rise. The preset pressure difference threshold is a set standard value used to determine whether the filter screen needs to be cleaned or replaced. If the current pressure difference exceeds or equals this threshold, it means that the degree of blockage of the filter screen has reached a level that may affect the performance of the air conditioner. At this time, a prompt message will be generated, which may be displayed through the control panel, sent to the mobile application or through a sound alarm, to inform the user that the filter screen needs to be cleaned or replaced.
[0086] Specifically, for the filter screen, a differential pressure sensor is installed. When the pressure difference across the filter screen exceeds a programmed set value, a maintenance alert is triggered, indicating that the filter screen needs to be cleaned or replaced to ensure smooth air passage and effective impurity removal.
[0087] Specifically, assuming the oxygen production air conditioning system is in operation, it is necessary to monitor the cleaning status of the filter screen to ensure air quality and efficient operation of the air compressor. The differential pressure across the filter screen is continuously monitored. Assuming the current differential pressure measurement is 100 Pa. The differential pressure is caused by the pressure difference between the front of the filter screen (clean air side) and the back of the filter screen (air after filtration side), and is an important indicator of the cleaning level of the filter screen.
[0088] The preset differential pressure threshold is a standard value set in the design, used to determine whether the filter screen needs to be cleaned or replaced. In this embodiment, the preset differential pressure threshold is assumed to be 200 Pa. When the actual monitored differential pressure value exceeds or equals this threshold, a maintenance alert will be triggered.
[0089] Suppose the filter screen gradually accumulates a lot of dust and impurities, causing the differential pressure to rise to 250 Pa. This value exceeds the preset differential pressure threshold of 200 Pa.
[0090] When the current differential pressure is greater than or equal to the preset differential pressure threshold, a maintenance alert message is generated. The alert message may be a "filter screen cleaning alert" displayed on the control panel, or a message sent to the user through the mobile app, saying "differential pressure of filter screen is high, please consider cleaning or replacing the filter screen".
[0091] After receiving the alert message, the user can take immediate action, such as stopping the machine to clean the filter screen, or deciding whether to replace the filter screen based on its usage.
[0092] In some embodiments, the above oxygen production air conditioner includes a flow sensor for detecting the output flow of the output end of the air compressor. After adjusting the speed of the air compressor and / or adjusting the opening of the first flow valve according to the difference between the current pressure and the preset pressure, the method further comprises the following steps: obtaining the current flow, wherein the current flow is the current air flow output by the air compressor; obtaining the preset flow, wherein the preset flow is the standard air flow output by the air compressor; adjusting the speed of the air compressor and / or adjusting the opening of the first flow valve according to the difference between the current flow and the preset flow, until the difference between the current flow and the preset flow is less than the preset flow difference.
[0093] In this solution, by precisely controlling the output flow rate of the air compressor, the molecular sieve can operate under optimal airflow conditions, thereby improving the separation efficiency of oxygen and nitrogen, and increasing the purity and quantity of oxygen produced. Ensuring the air compressor output flow rate remains within a preset range avoids over-compression or under-compression, reducing energy waste and improving the overall energy efficiency of the air conditioning system.
[0094] Specifically, the current air flow rate is monitored in real time by a flow sensor installed at the output end of the air compressor; that is, the actual amount of air output by the air compressor at any given time. Monitoring the air flow rate is crucial to ensuring that the molecular sieve receives a sufficient and stable airflow for oxygen separation.
[0095] The preset flow rate refers to the ideal airflow rate set during the design phase for effective gas separation by the molecular sieve. This value is typically determined based on the performance parameters of the molecular sieve and the overall requirements of the oxygen-generating air conditioning system to ensure the efficiency and quality of oxygen production.
[0096] When the current flow rate is lower than the preset flow rate, the air output will be increased by increasing the speed of the air compressor or decreasing the opening of the first flow valve to reach the preset flow rate. Conversely, if the current flow rate is higher than the preset flow rate, the air compressor speed will be reduced or the opening of the first flow valve will be increased to reduce the air output.
[0097] The preset flow rate difference is an allowable deviation range. When the difference between the current flow rate and the preset flow rate falls within this allowable range, the flow rate adjustment is considered to be complete and a stable state has been reached.
[0098] Specifically, a flow sensor can be installed to optimize the operating parameters of the air compressor based on air flow feedback, ensuring a stable supply of air to the molecular sieve.
[0099] Specifically, assume that the oxygen-generating air conditioning system is designed with a preset flow rate of 1200 L / min for the air compressor during normal operation to achieve optimal oxygen production efficiency. The air conditioner is equipped with a flow sensor to monitor the current flow rate in real time, and a control module to adjust the air compressor speed and the opening of the first flow valve.
[0100] When the air conditioner is started, the flow sensor begins to work, continuously monitoring the current flow rate output by the air compressor. Let's assume that when the air conditioner is first started, the air compressor has not yet reached full speed, and the current flow rate is displayed as 1000 L / min.
[0101] The preset flow rate of 1200 L / min is obtained and compared with the current flow rate of 1000 L / min detected by the flow sensor. The difference between the two is determined to be 200 L / min.
[0102] According to the difference between the current flow and the preset flow, it is decided to take adjustment measures. First, try to increase the speed of the air compressor to increase the output flow. Assuming that the current air compressor speed is 1500 RPM, it is adjusted to 1700 RPM. After adjustment, the flow sensor monitors that the air flow output by the air compressor rises to 1100 L / min.
[0103] Although the current flow increases to 1100 L / min by adjusting the speed of the air compressor, there is still a difference of 100 L / min from the preset flow of 1200 L / min. In order to further increase the flow to the preset standard, the opening of the first flow valve is then adjusted. The current opening of the first flow valve is 50%, which is increased to 60%. After this adjustment, the current flow rises to 1180 L / min.
[0104] Again, compare the current flow 1180 L / min with the preset flow 1200 L / min, and the difference this time is 20 L / min. Assuming that the preset flow difference is 30 L / min, it means that the difference between the current flow and the preset flow has been less than the maximum allowable deviation. It is considered that the flow has reached a stable state and does not need to be further adjusted.
[0105] After reaching a stable state, continue to monitor the data of the flow sensor. If the current flow monitored in the future is lower than the preset flow, and the difference again exceeds the preset flow difference (for example, drops to 1150 L / min, difference 40 L / min), the above process will be repeated to adjust the speed of the air compressor or the opening of the first flow valve until a stable state is reached again.
[0106] In the specific implementation process, the above-mentioned oxygen production air conditioner includes an oxygen concentration sensor for detecting the concentration of oxygen at the output end of the molecular sieve. After adjusting the speed of the air compressor and / or adjusting the opening of the first flow valve according to the difference between the current pressure and the preset pressure, the method further includes the following steps: obtaining the current oxygen concentration, wherein the current oxygen concentration is the current oxygen concentration output by the molecular sieve; obtaining the preset oxygen concentration, wherein the preset oxygen concentration is the standard oxygen concentration output by the molecular sieve; adjusting the working temperature of the molecular sieve and / or adjusting the working pressure of the molecular sieve according to the difference between the current oxygen concentration and the preset oxygen concentration, until the difference between the current oxygen concentration and the preset oxygen concentration is less than the first preset oxygen concentration difference.
[0107] In this scheme, by accurately controlling the working conditions of the molecular sieve, oxygen concentration meeting the preset standard can be continuously produced, ensuring stable oxygen quality and meeting the health needs of users. Dynamically adjusting the working conditions of the molecular sieve avoids unnecessary energy consumption, improves the energy use efficiency of the entire air conditioning system, and reduces operating costs.
[0108] Specifically, the oxygen concentration in the molecular sieve output gas is monitored in real time by an oxygen concentration sensor. The current oxygen concentration reflects the oxygen output of the air conditioner at any given time.
[0109] The preset oxygen concentration is a target set at the design stage, i.e., the oxygen concentration level that the molecular sieve is expected to produce, in order to meet specific oxygen quality standards and user needs.
[0110] Based on the difference between the current oxygen concentration and the preset oxygen concentration, it is determined whether and how to adjust the working conditions of the molecular sieve. If the current oxygen concentration is lower than the preset oxygen concentration, the working temperature or pressure of the molecular sieve may be increased to improve oxygen separation efficiency; conversely, if the current oxygen concentration is too high, the working temperature or pressure of the molecular sieve may be reduced to avoid wasting gas sources or affecting the volumetric mass of oxygen.
[0111] A range of allowed oxygen concentration deviation is set, and when the difference between the current oxygen concentration and the preset oxygen concentration is below this set threshold, it is considered that the oxygen concentration has stabilized within the target range and no further adjustment is made.
[0112] Specifically, a flow regulating valve and an oxygen concentration sensor are installed at the molecular sieve outlet to monitor the separation effect of oxygen and nitrogen in real time. If the separation efficiency decreases, the separation process can be optimized by adjusting the working temperature, pressure, etc. of the molecular sieve.
[0113] Suppose the design requirement is that the preset concentration of oxygen output by the molecular sieve is 23%, in order to meet the health needs of the indoor environment for oxygen concentration. An oxygen concentration sensor has been installed in the air conditioner to monitor the current oxygen concentration in real time, as well as a molecular sieve module with temperature and pressure regulation functions.
[0114] After the air conditioner starts, the oxygen concentration sensor begins to continuously monitor the oxygen concentration produced by the molecular sieve. Suppose that at the initial stage of air conditioner operation, the current oxygen concentration is 20%.
[0115] The controller obtains the preset oxygen concentration of 23% from the system configuration and compares it with the current oxygen concentration of 20%, determining that the difference between the two is 3%.
[0116] Since the current oxygen concentration is lower than the preset concentration, the controller determines that the concentration of oxygen production needs to be increased. According to the system design, the oxygen separation efficiency can be affected by adjusting the working temperature and / or working pressure of the molecular sieve.
[0117] The first step is to try to adjust the working temperature of the molecular sieve. Suppose the current working temperature of the molecular sieve is 20°C, and the controller increases the working temperature to 25°C. The working temperature of the molecular sieve has a direct impact on the oxygen-nitrogen separation efficiency, and generally, appropriately increasing the temperature helps to improve the separation efficiency.
[0118] If the current oxygen concentration still does not reach the preset concentration after adjusting the temperature, the controller will try to change the working pressure of the molecular sieve. Assuming that the current working pressure of the molecular sieve is 4 bar, the controller will increase it to 5 bar. Increasing the working pressure can further promote the separation of oxygen and nitrogen and increase the oxygen concentration.
[0119] After a series of adjustments, suppose the current oxygen concentration rises to 22%. The controller compares the current oxygen concentration with the preset oxygen concentration again, and the difference is 1%. If this difference is less than the first preset oxygen concentration difference (for example, set to ±2%), it is considered that the oxygen concentration has stabilized in the target range and no further adjustment is needed. If the difference is still outside the allowed range, the controller will continue to repeat the above process until the difference between the current oxygen concentration and the preset oxygen concentration is within the allowed range.
[0120] After reaching a stable state, the data of the oxygen concentration sensor is continuously monitored, and as soon as it is detected that the current oxygen concentration deviates from the preset concentration, the adjustment mechanism is started to maintain the continuous stability of the oxygen concentration.
[0121] In some embodiments, the above oxygen production air conditioner includes a second flow valve for controlling the output flow of the output end of the molecular sieve. After adjusting the speed of the air compressor according to the difference between the current pressure and the preset pressure, and / or adjusting the opening of the first flow valve, the method further comprises the following steps: obtaining the oxygen demand, wherein the oxygen demand is the required oxygen concentration demand corresponding to the indoor area; adjusting the opening of the second flow valve according to the difference between the current oxygen concentration and the oxygen demand until the difference between the current oxygen concentration and the oxygen demand is less than the second preset oxygen concentration difference.
[0122] In this scheme, by real-time monitoring and dynamic adjustment, the indoor oxygen concentration can be accurately controlled to ensure that it is always at the most beneficial level for human health, providing an indoor environment conducive to life. According to the actual demand, the oxygen supply is dynamically adjusted to avoid excessive oxygen production or insufficient oxygen production, thereby improving energy utilization efficiency, reducing unnecessary energy waste, and reducing operating costs. Ensuring that the indoor oxygen concentration is stable at an appropriate level provides a comfortable and healthy living or working environment for users, improving their quality of life.
[0123] Specifically, according to the indoor area and the preset health and comfort standards, the required oxygen concentration demand of the indoor space is calculated. For example, for a 30 square meter room, the oxygen concentration demand will be set according to human health and activity needs. The current oxygen concentration in the room is monitored in real time by the oxygen concentration sensor to reflect the actual oxygen supply situation.
[0124] Based on the difference between the current oxygen concentration and the oxygen demand, the opening of the second flow valve is dynamically adjusted, which directly affects the amount of oxygen sent into the room after molecular sieve separation. If the current oxygen concentration is lower than the oxygen demand, the opening of the second flow valve will be increased to increase the oxygen supply; on the contrary, if the current oxygen concentration is too high, the opening of the second flow valve will be reduced to reduce the oxygen supply.
[0125] An allowed oxygen concentration deviation range is set. When the difference between the current oxygen concentration and the oxygen demand is lower than this set threshold, it is considered that the oxygen concentration has stabilized within the target range, and the adjustment of the opening of the second flow valve is no longer performed.
[0126] Specifically, according to the air supply demand of the indoor unit and the indoor oxygen concentration, the oxygen flow is automatically adjusted to ensure that the indoor oxygen content and fresh air supply are always appropriate.
[0127] Assuming that the design requires calculating the oxygen demand based on the indoor area to maintain the indoor oxygen concentration at about 21%, which is based on the general standard of human health and comfort. Taking a 80 square meter living room as an example, through calculation, it is known that in order to meet the oxygen demand of the space, the current oxygen concentration should be maintained at 21%.
[0128] According to the area of the living room (80 square meters), combined with the pre-set health and comfort standard, the oxygen concentration demand of the space is calculated to be 21%. This demand is based on a comprehensive evaluation of multiple factors such as indoor human activity, breathing rate, space volume, etc.
[0129] The oxygen concentration sensor installed in the air conditioner continuously monitors the current indoor oxygen concentration. In the initial stage of air conditioner operation, the current oxygen concentration may be 20%.
[0130] The controller obtains the difference between the current oxygen concentration 20% and the oxygen demand 21%, which is 1%. If the current oxygen concentration is lower than the demand, the controller will increase the opening of the second flow valve to increase the oxygen supply and increase the indoor oxygen concentration. Assuming that the initial opening of the second flow valve is 50%, the controller will adjust it to 60%. After adjustment, the current oxygen concentration is continuously monitored, and it is assumed that the concentration rises to 20.5%.
[0131] The controller calculates the difference between the current oxygen concentration 20.5% and the oxygen demand 21%, which is 0.5%. If this difference is still greater than the set second preset oxygen concentration difference (for example, set to ±0.3%), the controller will continue to adjust the opening of the second flow valve until the difference between the current oxygen concentration and the oxygen demand is within the allowed deviation range. Assuming that after further adjustment, the current oxygen concentration stabilizes at 20.8%.
[0132] When the difference between the current oxygen concentration and the oxygen demand is lower than the second preset oxygen concentration difference, it is considered that the oxygen concentration has stabilized in the target range, and the adjustment of the opening degree of the second flow valve will be temporarily stopped. However, the data of the oxygen concentration sensor will be continuously monitored, and as soon as the concentration deviates from the target range, the adjustment mechanism will be started immediately to maintain the stability of the indoor oxygen concentration.
[0133] In addition, a central control system (i.e. a controller, the execution subject of the above-mentioned scheme of the application) can also be set up to integrate the data of all sensors and uniformly monitor and adjust the operating parameters of the entire system to ensure stable operation of the system and fully exert the advantages of simplified structure and reduced cost. At the same time, the control system can manage the operating time and fault records of the equipment, which is convenient for maintenance and optimization.
[0134] In addition, the compressor of the application can also complete the automatic cleaning process at the normal working frequency.
[0135] The embodiment of the application also provides a control device of an oxygen production air conditioner. It should be noted that the control device of the oxygen production air conditioner of the embodiment of the application can be used to execute the control method for the oxygen production air conditioner provided by the embodiment of the application. The device is used to realize the above-mentioned embodiments and preferred embodiments, and will not be described here. As used below, the term "module" can be a combination of software and / or hardware that realizes a predetermined function. Although the device described in the following embodiments is preferably realized in software, hardware or a combination of software and hardware is also possible and is conceived.
[0136] The control device of the oxygen production air conditioner provided by the embodiment of the application is introduced below.
[0137] Figure 6 is a structural block diagram of a control device of an oxygen production air conditioner according to the embodiment of the application. As shown in Figure 6 , the device comprises:
[0138] A first acquisition unit 100 is configured to acquire a current pressure, wherein the current pressure is the current air pressure output by the air compressor;
[0139] A second acquisition unit 200 is configured to acquire a preset pressure, wherein the preset pressure is the standard air pressure output by the air compressor;
[0140] A first control unit 300 is configured to adjust the rotating speed of the air compressor and / or adjust the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure until the difference between the current pressure and the preset pressure is less than a preset pressure difference.
[0141] Through the closed-loop control, the output pressure of the air compressor can be continuously monitored and adjusted to ensure that it is stable within the preset pressure range. The air compressor speed and the flow valve opening degree are automatically adjusted to avoid unnecessary energy waste, ensure that the air conditioning system operates in the optimal working state, and improve the overall energy efficiency and operating economy. Keeping the air compressor operating at the appropriate working pressure can reduce the excessive load and wear of the equipment, prolong the service life of the air compressor, and reduce maintenance costs.
[0142] In the specific implementation process, the oxygen-making air conditioner includes a differential pressure sensor for detecting the pressure difference on both sides of the filter screen. The device further includes a third acquisition unit and a generation unit. The third acquisition unit is used to acquire the current pressure difference after adjusting the speed of the air compressor and / or adjusting the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure. The current pressure difference is the current pressure difference on both sides of the filter screen. The generation unit is used to generate a prompt message if the current pressure difference is greater than or equal to a preset pressure difference threshold. The prompt message indicates that the filter screen needs to be cleaned and / or replaced.
[0143] In this scheme, regular cleaning or replacement of the filter screen can ensure that it continuously and effectively removes impurities from the air, ensuring the quality of the air received by the molecular sieve, thereby improving the purity of the oxygen output and the overall separation efficiency of the air conditioning system. Blockage of the filter screen can cause a decrease in air flow, affecting the normal operation of the air compressor and the molecular sieve, and even causing air conditioning failure. By monitoring the pressure difference and cleaning or replacing the filter screen in a timely manner, this situation can be avoided, and the stability of the air conditioning system can be improved.
[0144] In some embodiments, the oxygen-making air conditioner includes a flow sensor for detecting the output flow of the output end of the air compressor. The device further includes a fourth acquisition unit, a fifth acquisition unit, and a second control unit. The fourth acquisition unit is used to acquire the current flow after adjusting the speed of the air compressor and / or adjusting the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure. The current flow is the current air flow output by the air compressor. The fifth acquisition unit is used to acquire a preset flow. The preset flow is the standard air flow output by the air compressor. The second control unit is used to adjust the speed of the air compressor and / or adjust the opening degree of the first flow valve according to the difference between the current flow and the preset flow until the difference between the current flow and the preset flow is less than a preset flow difference value.
[0145] In the scheme, by accurately controlling the output flow of the air compressor, the molecular sieve can work under the optimal gas flow conditions, thereby improving the separation efficiency of oxygen and nitrogen, increasing the purity and amount of oxygen output. Ensuring that the output flow of the air compressor is within the preset range avoids excessive compression or insufficient compression, reduces energy waste, and improves the overall energy efficiency of the air conditioning system.
[0146] In the implementation process, the oxygen-making air conditioner includes an oxygen concentration sensor for detecting the concentration of oxygen at the output end of the molecular sieve. The device further includes a sixth acquisition unit, a seventh acquisition unit, and a third control unit. The sixth acquisition unit is configured to acquire the current oxygen concentration after adjusting the speed of the air compressor and / or adjusting the opening degree of the first flow valve based on the difference between the current pressure and the preset pressure. The current oxygen concentration is the current oxygen concentration output by the molecular sieve. The seventh acquisition unit is configured to acquire the preset oxygen concentration, which is the standard oxygen concentration output by the molecular sieve. The third control unit is configured to adjust the working temperature and / or the working pressure of the molecular sieve based on the difference between the current oxygen concentration and the preset oxygen concentration until the difference between the current oxygen concentration and the preset oxygen concentration is less than the first preset oxygen concentration difference.
[0147] In the scheme, by accurately controlling the working conditions of the molecular sieve, oxygen concentration meeting the preset standard can be continuously output, ensuring stable oxygen quality and meeting the health needs of users. Dynamic adjustment of the working conditions of the molecular sieve avoids unnecessary energy consumption, improves the energy use efficiency of the entire air conditioning system, and reduces operating costs.
[0148] In some embodiments, the oxygen-making air conditioner includes a second flow valve for controlling the output flow of the output end of the molecular sieve. The device further includes an eighth acquisition unit and a fourth control unit. The eighth acquisition unit is configured to acquire the oxygen demand after adjusting the speed of the air compressor and / or adjusting the opening degree of the first flow valve based on the difference between the current pressure and the preset pressure. The oxygen demand is the required oxygen concentration demand of the indoor area. The fourth control unit is configured to adjust the opening degree of the second flow valve based on the difference between the current oxygen concentration and the oxygen demand until the difference between the current oxygen concentration and the oxygen demand is less than the second preset oxygen concentration difference.
[0149] In the scheme, the indoor oxygen concentration can be accurately controlled through real-time monitoring and dynamic adjustment, so that the indoor oxygen concentration is always at a level most beneficial to human health, and an indoor environment conducive to life is provided. The oxygen supply amount is dynamically adjusted according to actual needs, so that the situation of excessive oxygen production or insufficient oxygen production is avoided, the energy utilization efficiency is improved, unnecessary energy waste is reduced, and the operation cost is reduced. The indoor oxygen concentration is ensured to be stable at an appropriate level, so that a comfortable and healthy living or working environment is provided for users, and the life quality of the users is improved.
[0150] The control device of the oxygen production air conditioner includes a processor and a memory, and the first acquisition unit, the second acquisition unit and the first control unit are stored in the memory as program units, and the corresponding functions are realized by executing the program units stored in the memory by the processor. The modules are located in the same processor, or the modules are located in different processors in any combination.
[0151] The processor includes a core, and the core retrieves the corresponding program unit from the memory. One or more cores can be set, and the problem that the air compressor in the oxygen production module produces a large noise when working and the molecular sieve and the filter screen in the oxygen production module are designed outdoors and are inconvenient to replace can be solved by adjusting the core parameters.
[0152] The memory can include a non-permanent memory in a computer readable medium, a random access memory (RAM) and / or a non-volatile memory such as a read-only memory (ROM) or a flash memory (flash RAM), and the memory includes at least one memory chip.
[0153] The embodiment of the present application provides a computer readable storage medium, and the computer readable storage medium includes a stored program, wherein the computer readable storage medium controls a device in which the computer readable storage medium is located to execute the control method of the oxygen production air conditioner when the program runs.
[0154] The embodiment of the present application provides a processor, and the processor is used to run a program, wherein the control method of the oxygen production air conditioner is executed when the program runs.
[0155] The embodiment of the present application provides a device, and the device includes a processor, a memory and a program stored in the memory and capable of running on the processor, and the processor executes the program to realize at least the control method steps of the oxygen production air conditioner. The device in the present application can be a server, a PC, a PAD, a mobile phone and the like.
[0156] A computer program product comprises a non-volatile computer readable storage medium storing a computer program, the computer program, when executed by a processor, implements the steps of the control method of the oxygen generating air conditioner in the embodiments of the present application.
[0157] The present application also provides an oxygen generating air conditioning system, comprising an oxygen generating air conditioner and a controller, the oxygen generating air conditioner is any one of the oxygen generating air conditioners described above; the controller is in communication connection with the oxygen generating air conditioner, and the controller is used to execute the control method of any one of the oxygen generating air conditioners described above.
[0158] Obviously, those skilled in the art should understand that the modules or steps of the present application described above can be realized by general computing devices, which can be concentrated on a single computing device, or distributed on a network composed of multiple computing devices, which can be realized by program codes executable by computing devices, so that they can be stored in storage devices and executed by computing devices, and in some cases, the steps shown or described can be executed in different order, or they can be manufactured into individual integrated circuit modules, or multiple modules or steps can be manufactured into a single integrated circuit module. Therefore, the present application is not limited to any specific combination of hardware and software.
[0159] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can be in the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can be in the form of a computer program product implemented on one or more computer usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer usable program codes.
[0160] The present application is described with reference to flowcharts and / or block diagrams according to the methods, devices (systems), and computer program products of the embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of the flows and / or blocks in the flowcharts and / or block diagrams can be realized by computer program instructions. These computer program instructions can be provided to a general purpose computer, a special purpose computer, an embedded processor, or other programmable data processing devices to produce a machine, so that the instructions executed by the computer or other programmable data processing devices produce a device that implements the functions specified in the flowcharts and / or block diagrams. Figure 1 The device that realizes the functions specified in one flow or multiple flows and / or blocks Figure 1 The device that realizes the functions specified in one flow or multiple flows and / or blocks
[0161] These computer program instructions can also be stored in a computer- readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instructions which implement the Figure 1 function specified in the flow or flows and / or blocks Figure 1 of the block or blocks.
[0162] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the Figure 1 function specified in the flow or flows and / or blocks Figure 1 of the block or blocks.
[0163] In a typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.
[0164] The memory can include non-persistent memory and / or volatile memory, such as a random access memory (RAM) including a cache area for the temporary storage of data. The memory can also include non-volatile memory, such as read only memory (ROM), electrically programmable read only memory (EPROM), electrically erasable programmable read only memory (EEPROM), flash memory, or non-volatile random access memory (NVRAM), for the storage of information, such as data files or program
[0165] Computer readable media includes permanent and non-permanent, removable and non-removable media implemented in any method or technology for the storage of information. The information can be computer readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital versatile discs (DVDs) or other optical storage, magnetic cassettes, magnetic disks storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information accessible to a computing device. According to the definition herein, computer readable media does not include transitory media, such as modulated data signals and carrier waves.
[0166] It should also be noted that the terms "comprising," "including," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0167] The above description is merely the preferred embodiments of the present application and is not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art without departing from the spirit and scope of the present application. Any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the present application shall be included in the scope of the present application.
Claims
1. An oxygen-generating air conditioner, characterized in that, include: An air conditioner outdoor unit, which includes at least an air compressor, is located outdoors; An air conditioner indoor unit, the air conditioner indoor unit including at least a molecular sieve and a filter screen, the air conditioner indoor unit being located indoors, the air compressor and the molecular sieve being connected by a pipe, and the filter screen being located between the air compressor and the molecular sieve; The molecular sieve includes: an oxygen outlet for dispersing oxygen indoors; The molecular sieve includes: a nitrogen outlet, which is connected to the air compressor via a first pipe, through which nitrogen discharged from the nitrogen outlet cools the air compressor; and an air inlet, which is connected to the air compressor via a second pipe located within the first pipe, through which the air compressor supplies air to the molecular sieve, and the air supplied by the air compressor is cooled within the first pipe.
2. The oxygen-generating air conditioner according to claim 1, characterized in that, The oxygen-generating air conditioner also includes: A pressure sensor is used to detect the pressure of the output air from the air compressor; A differential pressure sensor is used to detect the pressure difference across the filter screen. A flow sensor is used to detect the output flow at the output end of the air compressor; The first flow valve is used to control the output flow at the output end of the air compressor; The second flow valve is used to control the output flow rate at the output end of the molecular sieve. An oxygen concentration sensor is used to detect the oxygen concentration at the output end of the molecular sieve.
3. A control method for an oxygen-generating air conditioner according to claim 1 or 2, characterized in that, The oxygen-generating air conditioner includes a pressure sensor and a first flow valve. The pressure sensor is used to detect the pressure of the output air from the air compressor, and the first flow valve is used to control the output flow rate at the output end of the air compressor. The method includes: Obtain the current pressure, wherein the current pressure is the current air pressure output by the air compressor; Obtain a preset pressure, wherein the preset pressure is the standard air pressure output by the air compressor; Based on the difference between the current pressure and the preset pressure, adjust the speed of the air compressor and / or adjust the opening of the first flow valve until the difference between the current pressure and the preset pressure is less than the preset pressure difference.
4. The method according to claim 3, characterized in that, The oxygen-generating air conditioner includes a differential pressure sensor, which is used to detect the pressure difference across the filter. After adjusting the speed of the air compressor and / or adjusting the opening of the first flow valve based on the difference between the current pressure and the preset pressure, the method further includes: Obtain the current pressure difference, wherein the current pressure difference is the current pressure difference across the filter screen; If the current differential pressure is greater than or equal to a preset differential pressure threshold, a prompt message is generated, wherein the prompt message indicates that the filter needs to be cleaned and / or replaced.
5. The method according to claim 3, characterized in that, The oxygen-generating air conditioner includes a flow sensor for detecting the output flow at the output end of the air compressor. After adjusting the speed of the air compressor and / or adjusting the opening of the first flow valve based on the difference between the current pressure and the preset pressure, the method further includes: Obtain the current flow rate, wherein the current flow rate is the current air flow rate output by the air compressor; Obtain a preset flow rate, wherein the preset flow rate is the standard air flow rate output by the air compressor; Based on the difference between the current flow rate and the preset flow rate, adjust the speed of the air compressor and / or adjust the opening of the first flow valve until the difference between the current flow rate and the preset flow rate is less than the preset flow rate difference.
6. The method according to claim 3, characterized in that, The oxygen-generating air conditioner includes an oxygen concentration sensor, which is used to detect the oxygen concentration at the output end of the molecular sieve. After adjusting the speed of the air compressor and / or adjusting the opening of the first flow valve based on the difference between the current pressure and the preset pressure, the method further includes: Obtain the current oxygen concentration, wherein the current oxygen concentration is the current oxygen concentration output by the molecular sieve; Obtain a preset oxygen concentration, wherein the preset oxygen concentration is the standard oxygen concentration output by the molecular sieve; Based on the difference between the current oxygen concentration and the preset oxygen concentration, adjust the working temperature of the molecular sieve and / or adjust the working pressure of the molecular sieve until the difference between the current oxygen concentration and the preset oxygen concentration is less than a first preset oxygen concentration difference.
7. The method according to claim 6, characterized in that, The oxygen-generating air conditioner includes a second flow valve, which is used to control the output flow rate at the output end of the molecular sieve. After adjusting the speed of the air compressor and / or adjusting the opening degree of the first flow valve according to the difference between the current pressure and the preset pressure, the method further includes: Obtain the oxygen requirement, wherein the oxygen requirement is the required concentration of oxygen corresponding to the indoor area; Based on the difference between the current oxygen concentration and the oxygen demand, adjust the opening of the second flow valve until the difference between the current oxygen concentration and the oxygen demand is less than a second preset oxygen concentration difference.
8. An oxygen-generating air conditioning system, characterized in that, The oxygen-generating air conditioning system includes: An oxygen-generating air conditioner, wherein the oxygen-generating air conditioner is the oxygen-generating air conditioner according to claim 1 or 2; A controller, which is communicatively connected to the oxygen-generating air conditioner, is used to execute the control method of the oxygen-generating air conditioner according to any one of claims 3 to 7.
Citation Information
Patent Citations
Air compression oxygen generating device and oxygenator
CN104891446A
Air conditioner
CN216716402U