Plateau dispersion oxygen production indoor terminal intelligent control system

Abstract

The utility model relates to the field of indoor environment oxygenation in high altitude areas, and discloses a plateau dispersion oxygen production indoor terminal intelligent control system which comprises an oxygen generator, an oxygen sensor and an air pressure sensor. The oxygen generator comprises a central controller and a signal receiving module, the central controller is connected with the signal receiving module, the oxygen sensor and the air pressure sensor; the value output by the oxygen sensor is the proportion of oxygen in air instead of the actual oxygen concentration value, the control system obtains the altitude through the air pressure sensor, the reading of the oxygen sensor is automatically calibrated, it is ensured that a user obtains the actual oxygen concentration value, and the oxygen generator is accurately controlled to release oxygen so as to improve the indoor oxygen concentration; and the optimal comfortable and economical oxygen level of the user is ensured.

Description

Technical Field

[0001] The utility model relates to the field of indoor environment oxygen enrichment in high altitude areas, in particular to an intelligent control system for indoor terminals of plateau diffused oxygen generation. Background Art

[0002] With the continuous improvement of living standards in high altitude areas, people's awareness of artificial oxygen enrichment in the indoor environment is getting stronger and stronger.

[0003] In the prior art, there is a lack of an intelligent terminal for indoor artificial oxygen enrichment specifically designed for high altitude areas. Most systems still rely on simple control or manual operation, which not only wastes electric energy, but also cannot accurately control the indoor oxygen content, and cannot ensure that users are at the best comfortable and economical oxygen level. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an intelligent control system for indoor terminals of plateau diffused oxygen generation, aiming to solve the technical problem that there is a lack of an intelligent terminal for indoor artificial oxygen enrichment specifically designed for high altitude areas in the prior art.

[0005] To achieve the above purpose, the utility model proposes an intelligent control system for indoor terminals of plateau diffused oxygen generation, and the control system includes: an oxygen generator, an oxygen sensor and a barometric pressure sensor;

[0006] The oxygen generator includes: a central controller and a signal receiving module;

[0007] The central controller adopts an STM32F070C8T6 processor and is connected to the signal receiving module, the oxygen sensor and the barometric pressure sensor;

[0008] The signal receiving module is used to receive user signals and transmit the user signals to the central controller;

[0009] The oxygen sensor is used to collect the current oxygen content signal in the environment and output it to the central controller;

[0010] The barometric pressure sensor is used to detect the barometric pressure signal in the current environment and output it to the central controller;

[0011] The central controller is used to calibrate the current oxygen content signal through the preset barometric pressure signal to obtain a target oxygen concentration value when the barometric pressure signal is lower than the preset barometric pressure signal;

[0012] The central controller is used to start oxygen generation when the target oxygen concentration value is lower than the preset oxygen concentration value;

[0013] The user signal includes: a user remote control signal;

[0014] The signal receiving module includes: a wireless communication unit;

[0015] The wireless communication unit uses an ESP8266 Wi-Fi module. The RST pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PB3 / SPI1_SCK / ESP_RST pin of the central controller; the EN pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA15 / SPI1_CS / USART2_RX / ESP_EN pin of the central controller; the IO0 pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA8 / ESP_IO0 pin of the central controller; the IO2 / TX1 / SDA pin of the U4 of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA11 / USB_DM / ESP_IO2 pin of the central controller; the IO15 / PWM1 / HSPI_CS pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA12 / USB_DP / ESP_IO15 pin of the central controller;

[0016] The wireless communication unit is used to transmit user signals to the central controller when the user uses a wireless device;

[0017] The user signals include: touch signals;

[0018] The signal receiving module further includes: a human-machine interaction unit;

[0019] The human-machine interaction unit uses an NS4150B chip. The output end of the human-machine interaction unit is connected to the PA1 / ADC1 / USART4_RX / HMI pin of the central controller; the input end of the human-machine interaction unit is connected to the PA0 / ADC0 / USART4_TX / HMI pin of the central controller;

[0020] The human-machine interaction unit is used to transmit user signals to the central controller when the user touches the touch screen.

[0021] In one embodiment, the signal receiving module further includes: a voice control unit;

[0022] The voice control unit is connected to the central controller;

[0023] The voice control unit is used to transmit user signals to the central controller when the user makes a sound.

[0024] In one embodiment, the control system further includes: an air humidity sensor and a radar;

[0025] The air humidity sensor and the radar are respectively connected to the central controller;

[0026] The air humidity sensor is used to monitor the temperature signal and humidity signal of the indoor air;

[0027] The radar is used to detect the presence status of indoor personnel when the temperature signal and the humidity signal are within the preset temperature signal and preset humidity signal ranges, and when no personnel are detected, output a cut-off signal to the central controller;

[0028] The central controller is further used to stop oxygen generation when receiving the cut-off signal.

[0029] In one embodiment, the oxygen sensor is also respectively connected to a sensor interface, a device interface, and a flow sensor;

[0030] The sensor interface is used to connect external sensor devices;

[0031] The device interface is used to communicate with control devices or slave devices;

[0032] The flow sensor is used to output a start signal to the central controller when the indoor oxygen concentration flow signal is lower than the preset oxygen concentration flow signal;

[0033] The central controller is further used to start oxygen generation when receiving the start signal.

[0034] In one embodiment, the control system further includes: an oscillator and a real-time clock;

[0035] The oscillator is used to generate the clock signal required by the control system;

[0036] The real-time clock is used to receive the clock signal generated by the oscillator and display the clock signal in real time.

[0037] In one embodiment, the control system further includes: a data storage module:

[0038] The data storage module is connected to the central controller;

[0039] The data storage module is used to store the air pressure signal, the current oxygen content signal, and the target oxygen concentration value during the operation of the control system.

[0040] In one embodiment, the control system further includes: a light controller, a valve controller, and a buzzer;

[0041] The light controller, the valve controller, and the buzzer are respectively connected to the central controller;

[0042] The lighting controller is used to control the lighting of the lighting devices within the control system or connected to the control system when the oxygen generator starts oxygen production.

[0043] The valve controller is used to control the opening and closing of the valves in the oxygen delivery pipeline when the oxygen generator starts oxygen production.

[0044] The buzzer is used to give an alarm when a fault occurs in the control system.

[0045] In one embodiment, the control system further includes: a power management module and a level conversion module;

[0046] The power management module and the level conversion module are respectively connected to the central controller;

[0047] The power management module is used to supply power to the control system;

[0048] The level conversion module is used to make the control system adapt to connection devices with different voltages.

[0049] The present utility model provides an intelligent control system for the indoor terminal of plateau diffused oxygen production, and the control system includes: an oxygen generator, an oxygen sensor, and a barometric pressure sensor; the oxygen generator includes: a central controller and a signal receiving module; the central controller is connected to the signal receiving module, the oxygen sensor, and the barometric pressure sensor; the signal receiving module is used to receive user signals and transmit the user signals to the central controller; the oxygen sensor is used to collect the current oxygen content signal in the environment and output it to the central controller; the barometric pressure sensor is used to measure the barometric pressure signal in the current environment and output it to the central controller; the central controller is used to calibrate the current oxygen content signal with the preset barometric pressure signal to obtain a target oxygen concentration value when the barometric pressure signal is lower than the preset barometric pressure signal; the central controller is used to start oxygen production when the target oxygen concentration value is lower than the preset oxygen concentration value. The value output by the oxygen sensor is the proportion of oxygen in the air, rather than the actual oxygen concentration value. This control system obtains the altitude through the barometric pressure sensor, automatically calibrates the reading of the oxygen sensor, ensures that the user obtains the true oxygen concentration value, accurately controls the oxygen generator to release oxygen to increase the indoor oxygen concentration, and ensures that the user is at the best comfortable and economical oxygen level. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 It is a schematic diagram of the modules of the first embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen production proposed by the present utility model;

[0051] Figure 2The first circuit schematic diagram of the first embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0052] Figure 3 The second circuit schematic diagram of the first embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0053] Figure 4 The third circuit schematic diagram of the first embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0054] Figure 5a and Figure 5b The first circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0055] Figure 6a 、 Figure 6b 、 Figure 6c and Figure 6d The second circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0056] Figure 7 The third circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0057] Figure 8 The fourth circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0058] Figure 9 The fifth circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0059] Figure 10a and Figure 10b The sixth circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0060] Figure 11a and Figure 11b The seventh circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0061] Figure 12 The eighth circuit schematic diagram of the second embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0062] Figure 13 The first circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0063] Figure 14 This is the second circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0064] Figure 15 This is the third circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0065] Figure 16a 、 Figure 16b and Figure 16c This is the fourth circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0066] Figure 17 This is the fifth circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0067] Figure 18 This is the sixth circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0068] Figure 19a 、 Figure 19b 、 Figure 19c and Figure 19d This is the seventh circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model;

[0069] Figure 20 This is the eighth circuit schematic diagram of the third embodiment of the intelligent control system for the indoor terminal of plateau diffused oxygen generation proposed by the present utility model.

[0070] Explanation of the reference numerals in the drawings

[0071] Detailed implementation manners

[0072] It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0073] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0074] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the attached drawings). If this specific posture changes, the directional indications will change accordingly.

[0075] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0076] Embodiment 1

[0077] Referring to Figure 1 , a smart control system for an indoor terminal of plateau diffused oxygen generation, the control system includes: an oxygen generator, an oxygen sensor, and a barometric pressure sensor;

[0078] The oxygen generator includes: a central controller and a signal receiving module;

[0079] The central controller is connected to the signal receiving module, the oxygen sensor, and the barometric pressure sensor.

[0080] It should be noted that the oxygen generator refers to a machine including the above-mentioned central controller and signal receiving module, which is different from the common oxygen generators on the market in terms of the selection and connection of the controller. This control system realizes the function of precise oxygen generation by connecting different devices through the internal controller of the oxygen generator to ensure that the indoor oxygen concentration can meet the user's needs.

[0081] It should be understood that referring to Figure 2 , the central controller uses the STM32F070C8T6 processor U1, which is responsible for the core control and data processing of the system, and connects various devices through various pins (detailed connection relationships are given in the following embodiments) to precisely control the oxygen generator to release oxygen to increase the indoor oxygen concentration.

[0082] It should be noted that the PA13 and PA14 pins of the above-mentioned STM32F070C8T6 processor U1 are connected to the external SWD.

[0083] The signal receiving module is used to receive user signals and transmit the user signals to the central controller.

[0084] It should be understood that the signal receiving module includes a wireless communication unit, a human-computer interaction unit, and a voice control unit (detailed introduction in Embodiment 2).

[0085] The oxygen sensor is used to collect the current oxygen content signal in the environment and output it to the central controller.

[0086] It should be noted that Figure 3 it is the oxygen sensor. The oxygen sensor uses the TS3A50170RGYRQ1 sensor U2, and there are two of them. One is used to monitor the oxygen content signal in the room, and the other is used to monitor the oxygen content signal of the oxygen generator. The value output by the oxygen sensor is the proportion of oxygen in the air, rather than the actual absolute concentration value; refer to Figure 3 , the 1D pin of the TS3A50170RGYRQ1 sensor U2 is connected to the PA2 / USART2_TX / ADC2 / 485 (PA2) pin of the central controller, the 2D pin of the TS3A50170RGYRQ1 sensor U2 is connected to the PA3 / USART2_RX / ADC3 / 485 (PA3) pin of the central controller, the IN1 pin of the TS3A50170RGYRQ1 sensor U2 is connected to the PA6 / SPI1_MISO / ADC6 / SENSOR_CS2 (PA6) pin of the central controller, and the IN2 pin of the TS3A50170RGYRQ1 sensor U2 is connected to the PA7 / SPI1_MISO / ADC7 / SENSOR_CS3 (PA7) pin of the central controller.

[0087] The barometric pressure sensor is used for the barometric pressure signal in the current environment and outputs it to the central controller.

[0088] It should be understood that, refer to Figure 4 , the barometric pressure sensor uses the BMP280 sensor U3, which is used to measure the environmental barometric pressure and calculate the altitude and calibrate the oxygen concentration value; the SDI pin of the BMP280 sensor U3 is connected to the PB9 / SPI2CS / I2C1_SDA (PB9) pin of the central controller, and the SCK pin of the BMP280 sensor U3 is connected to the PB8 / I2C1_SCL (PB8) pin of the central controller.

[0089] The central controller is used to calibrate the current oxygen content signal with the preset barometric pressure signal to obtain the target oxygen concentration value when the barometric pressure signal is lower than the preset barometric pressure signal.

[0090] It should be noted that atmospheric pressure is generated by the weight of gas molecules in the atmosphere above the Earth's surface. As the altitude increases, the atmosphere thins, and both the density of gas molecules and the gravitational force decrease, resulting in a decrease in air pressure. There is a direct negative correlation between air pressure and altitude. Therefore, when the air pressure signal is lower than the preset air pressure signal, the first converter inside the central controller converts the air pressure signal into an altitude signal, the second converter inside the central controller converts the altitude signal into a corresponding oxygen content signal, and the first comparator inside the central controller compares the oxygen content signal corresponding to the altitude signal with the current oxygen content signal to obtain the target oxygen concentration value. The above "calibration" process is implemented by the first converter, the second converter, and the first comparator hardware inside the central controller.

[0091] The central controller is configured to start oxygen generation when the target oxygen concentration value is lower than the preset oxygen concentration value.

[0092] It should be understood that the preset oxygen concentration value is set by the manufacturer or the user, and the comparison that the target oxygen concentration value is lower than the preset oxygen concentration value is achieved by the second comparator inside the central controller.

[0093] In this embodiment, the central controller is connected to the signal receiving module, the oxygen sensor, and the air pressure sensor; the signal receiving module is configured to receive user signals and transmit the user signals to the central controller; the oxygen sensor is configured to collect the current oxygen content signal in the environment and output it to the central controller; the air pressure sensor is configured to sense the air pressure signal in the current environment and output it to the central controller; the central controller is configured to calibrate the current oxygen content signal with the preset air pressure signal to obtain the target oxygen concentration value when the air pressure signal is lower than the preset air pressure signal; the central controller is configured to start oxygen generation when the target oxygen concentration value is lower than the preset oxygen concentration value. The value output by the oxygen sensor is the proportion of oxygen in the air, rather than the actual oxygen concentration value. This control system obtains the altitude through the air pressure sensor, automatically calibrates the reading of the oxygen sensor, ensures that the user obtains the real oxygen concentration value, accurately controls the oxygen generator to release oxygen to increase the indoor oxygen concentration, and ensures that the user is at the best comfortable and economic oxygen level.

[0094] Embodiment 2

[0095] The user signal includes: a user remote control signal.

[0096] The implementation of the user's remote control signal depends on effective communication transmission and the generation of control instructions. The user generates control instructions through a device, and these instructions are transmitted to the target device or system through an appropriate communication channel. The receiving end decodes the signal and performs corresponding operations, and can generate feedback information for the user to understand the status of the control system.

[0097] The signal receiving module includes: a wireless communication unit.

[0098] It should be understood that Figure 5a The components in form a wireless communication unit through connection. Referring to Figure 5b The wireless communication unit uses the ESP8266 Wi-Fi module U4.

[0099] The wireless communication unit is connected to the central controller.

[0100] It should be noted that the RST pin of the ESP8266 Wi-Fi module U4 in the wireless communication unit is connected to the PB3 / SPI1_SCK / ESP_RST (PB3) pin of the central controller; the EN pin of the ESP8266 Wi-Fi module U4 in the wireless communication unit is connected to the PA15 / SPI1_CS / USART2_RX / ESP_EN (PA15) pin of the central controller; the IO0 pin of the ESP8266 Wi-Fi module U4 in the wireless communication unit is connected to the PA8 / ESP_IO0 (PA8) pin of the central controller; the IO2 / TX1 / SDA pin of the ESP8266 Wi-Fi module U4 in the wireless communication unit is connected to the PA11 / USB_DM / ESP_IO2 (PA11) pin of the central controller; the IO15 / PWM1 / HSPI_CS pin of the ESP8266 Wi-Fi module U4 in the wireless communication unit is connected to the PA12 / USB_DP / ESP_IO15 (PA12) pin of the central controller.

[0101] It should be understood that J1, J2, and J3 are connection interfaces for enabling the normal operation of the wireless communication unit; among them, J2 is also connected to the PA9 pin of the central controller, and J3 is also connected to the PA10 pin of the central controller.

[0102] The wireless communication unit is used to transmit the user signal to the central controller when the user uses a wireless device.

[0103] It should be understood that the wireless device can be a wireless router, wireless network card, Bluetooth device, mobile device, etc., and the user signal is the corresponding wireless signal.

[0104] The user signal includes: a touch signal;

[0105] The signal receiving module further includes: a human-machine interaction unit.

[0106] It should be noted that Figure 6a 、 Figure 6b 、 Figure 6c and Figure 6d are combined and connected to form a human-machine interaction unit. The human-machine interaction unit uses an NS4150B chip U5 (a three-state switch) and includes a 10.1-inch touch screen for displaying system status, operation parameters, and user settings.

[0107] It should be understood that the touch signal is generated when the user touches the touch screen.

[0108] The human-machine interaction unit is connected to the central controller.

[0109] It should be noted that referring to Figure 6a , the output terminal of the human-machine interaction unit is connected to the PA1 / ADC1 / USART4_RX / HMI (PA1) pin of the central controller; the input terminal of the human-machine interaction unit is connected to the PA0 / ADC0 / USART4_TX / HMI (PA0) pin of the central controller.

[0110] It should be understood that J5 is a USB interface for connecting to an external USB to enable the normal operation of the human-machine interaction unit; J4 and J6 are connection interfaces for enabling the normal operation of the human-machine interaction unit.

[0111] The human-machine interaction unit is used to transmit user signals to the central controller when the user touches the touch screen.

[0112] It should be understood that the touch screen is the above-mentioned 10.1-inch touch screen, and at this time the user signal is the touch signal generated by the touch.

[0113] The signal receiving module further includes: a voice control unit;

[0114] The voice control unit is connected to the central controller.

[0115] It should be noted that Figure 7It is a voice control unit. The IOB3 / SDA_3V3 pin of the voice control chip U6 in the voice control unit is connected to the PB14 / SPI2_MISO / I2C2_SDA / AI_IOB3 (PB14) pin of the central controller; the IOB2 / SDA_3V3 pin of the voice control unit U6 is connected to the PB13 / SPI2_SCK / I2C2_SCL / AI_IOB2 (PB13) pin of the central controller; the IOA27 pin of the voice control unit U6 is connected to the PB12 / SPI2_CS / AI_IOA27 (PB12) pin of the central controller; the IOB7 / RX1 pin of the voice control unit U6 is connected to the PB11 / USART3_RX / I2C2_SDA / AI_IOB7 (PB11) pin of the central controller; the IOB6 / TX1 pin of the voice control unit U6 is connected to the PB10 / SPI2_SCK / USART3_TX / AI_IOB6 (PB10) pin of the central controller.

[0116] The voice control chip U6 is used to transmit the user signal to the central controller when the user makes a sound.

[0117] It should be understood that the user signal is a user voice signal at this time.

[0118] The control system further includes: an air humidity sensor and a radar;

[0119] The air humidity sensor and the radar are respectively connected to the central controller.

[0120] It should be noted that with reference to Figure 8 , the humidity sensor uses an SHT3X-DIS_DNF8 sensor U7. The SDA pin of the SHT3X-DIS_DNF8 sensor U7 is connected to the PB9 / SPI2_CS / I2C1_SDA (PB9) pin of the central controller; the SCL pin of the SHT3X-DIS_DNF8 sensor U7 is connected to the PB8 / I2C1_SCL (PB8) pin of the central controller.

[0121] It should be understood that with reference to Figure 9 , the radar is connected to the PA5 / SPI1_SCK / ADC5 / RADAR (PA5) pin of the central controller.

[0122] It should be noted that J7 is a connection interface for enabling the radar to work properly.

[0123] The air humidity sensor is used to monitor the temperature signal and humidity signal of the indoor air.

[0124] It should be noted that the temperature signal and humidity signal of the indoor air should be within the range suitable for the body surface needs of personnel.

[0125] The radar is used to detect the presence status of indoor personnel when the temperature signal and the humidity signal are within the preset temperature signal and preset humidity signal ranges. When no personnel are detected, a cut-off signal is output to the central controller.

[0126] It should be understood that the central controller is also used to stop oxygen generation when receiving the cut-off signal.

[0127] The oxygen sensor is also respectively connected to a sensor interface, a device interface, and a flow sensor.

[0128] It should be noted that referring to Figure 10a and Figure 10b , Figure 10a and Figure 10b The components in are sequentially connected and combined to form the sensor interface; the sensor interface uses the MAX13487E chip U8 (a compatible transceiver); the signal receiving end of the MAX13487E chip U8 is connected to the SENSOR_RX2 pin of the oxygen sensor; the signal sending end of the MAX13487E chip U8 is connected to the SENSOR_TX2 pin of the oxygen sensor.

[0129] The sensor interface is used to connect external sensor devices.

[0130] It should be understood that referring to Figure 11a and Figure 11b , Figure 11a and Figure 11b The components in are sequentially connected and combined to form the device interface; the device interface also uses the above-mentioned MAX13487E chip U9; the signal receiving end of the device interface is connected to the SENSOR_RX1 pin of the oxygen sensor; the signal sending end of the device interface is connected to the SENSOR_TX1 pin of the oxygen sensor.

[0131] The device interface is used to communicate with control devices or slave devices.

[0132] It should be noted that referring to Figure 12 , Figure 12 The components in are sequentially connected and combined to form the flow sensor; the signal sending end of the flow sensor is connected to the SENSOR_RX4 pin of the oxygen sensor; the signal receiving end of the flow sensor is connected to the SENSOR_TX4 pin of the oxygen sensor.

[0133] It should be understood that J8 is a connector interface for enabling the normal operation of the flow sensor.

[0134] The flow sensor is used to output a start signal to the central controller when the indoor oxygen concentration flow signal is lower than the preset oxygen concentration flow signal;

[0135] It should be understood that the central controller is also used to start oxygen generation when receiving the start signal.

[0136] In this embodiment, the wireless communication unit transmits user signals to the central controller when the user uses a wireless device; the human-computer interaction unit transmits user signals to the central controller when the user touches the touch screen; the voice control unit transmits user signals to the central controller when the user makes a sound; the air humidity sensor monitors the temperature signal and humidity signal of the indoor air; the radar detects the presence status of indoor personnel when the temperature signal and the humidity signal are within the range of the preset temperature signal and the preset humidity signal, and outputs a cut-off signal to the central controller when no personnel are detected; the central controller stops oxygen generation when receiving the cut-off signal. By setting up the wireless communication unit, touch screen and voice control unit, the user operation is facilitated; by the air humidity sensor, a more suitable indoor living environment is created, and the radar is used to detect the presence of personnel to save electric energy; at the same time, the oxygen sensor is also connected to the sensor interface, device interface and flow sensor, and the oxygen generation of the control system is more accurate to ensure that the user is at the best comfortable and economical oxygen level.

[0137] Embodiment III

[0138] The control system further includes: an oscillator and a real-time clock;

[0139] The oscillator is used to generate the clock signal required by the control system.

[0140] It should be understood that Figure 13 For the oscillator, the third port of the oscillator is connected to the SENSOR_TX3 pin of the oxygen sensor; the fourth port of the oscillator is connected to the SENSOR_RX3 pin of the oxygen sensor.

[0141] It should be understood that J9 is a connection interface for enabling the oscillator to work properly.

[0142] It should be noted that referring to Figure 14 , Figure 14 The components in form the real-time clock, and the real-time clock uses the DS1307 chip U10 (a real-time clock chip).

[0143] The real-time clock is used to receive the clock signal generated by the oscillator and display the clock signal in real time.

[0144] It should be noted that the real-time display is performed through the touch screen in the second embodiment.

[0145] The control system further includes: a data storage module:

[0146] The data storage module is connected to the central controller.

[0147] It should be understood that with reference to Figure 15 , the data storage module uses the M24C16-WMN6TP chip U11 (STMicroelectronics); the SCL pin of the M24C16-WMN6TP chip U11 is connected to the PB8 / I2C1_SCL pin of the central controller; the SDA pin of the M24C16-WMN6TP chip U11 is connected to the PB9 / SPI2_CS / I2C1_SDA pin of the central controller.

[0148] The data storage module is used to store the air pressure signal, the current oxygen content signal, and the target oxygen concentration value during the operation of the control system.

[0149] The control system further includes: a light controller, a valve controller, and a buzzer;

[0150] The light controller, the valve controller, and the buzzer are respectively connected to the central controller.

[0151] It should be noted that with reference to Figure 16a , 16b and 16c respectively refer to the circuit schematic diagrams for controlling the red light, the green light, and the yellow light. Figure 16a , 16b and 16c together constitute the light controller; the red light circuit is connected to the PB0 / ADC8 / LIGHT_R pin of the central controller; the green light circuit is connected to the PB1 / ADC9 / LIGHT_G pin of the central controller; the yellow light circuit is connected to the PB2 / LIGHT_Y pin of the central controller.

[0152] It should be understood that Figure 17 is the valve controller, and the valve controller is connected to the PA4 / SPI1_CS / ADC4 / VALVE pin of the central controller.

[0153] It should be understood that J10 is a connection interface for enabling the normal operation of the valve controller.

[0154] It should be noted that with reference to Figure 18 , the buzzer is connected to the PB15 / SPI2_MOSI / RTC_REFIN / BUZZER pin of the central controller.

[0155] The lighting controller is used to control the lighting of the lighting devices within or connected to the control system when the oxygen generator starts to produce oxygen;

[0156] The valve controller is used to control the opening and closing of the valves in the oxygen delivery pipeline when the oxygen generator starts to produce oxygen;

[0157] The buzzer is used to give an alarm when the control system fails.

[0158] The control system further includes: a power management module and a level conversion module;

[0159] The power management module and the level conversion module are respectively connected to the central controller.

[0160] It should be understood that the power management module is divided into: Figure 19a : 24V input, the main power input of the system; Figure 19b : 24V to 5V step-down, used to provide a stable 5V power supply for the system; Figure 19c : 5V to 3.3V step-down: further step down 5V to 3.3V, suitable for low-voltage components; Figure 19d : 3.3V to A3V3 step-down: provide an independent power supply for some specific 3.3V components.

[0161] It should be noted that J11 is a connection interface for the normal operation of the power management module.

[0162] The power management module is used to supply power to the control system;

[0163] The level conversion module is used to make the control system adapt to connection devices with different voltages.

[0164] It should be noted that referring to Figure 20 , the level conversion module uses the TXS0102_US8 converter U14; the A1 pin of the TXS0102_US8 converter U14 is connected to the PB8 / I2C1_SCL pin of the central controller; the A2 pin of the TXS0102_US8 converter U14 is connected to the PB9 / SPI2_CS / I2C1_SDA pin of the central controller.

[0165] In this embodiment, the time is displayed to the user by adding an oscillator and a real-time clock to ensure the synchronization of the control system with the external time; the key data is stored through the data storage module to facilitate the direct operation of the control system under the same working conditions; by adding a lighting controller, a valve controller and a buzzer, the user can be prompted by lights and buzzers in case of system failure, and different oxygen delivery pipelines can be controlled for oxygen delivery; the power management module powers the control system; and a level conversion module is added to make the control system adapt to connection devices with different voltages to ensure that the system can work under different voltage conditions. The oxygen generator is precisely controlled to release oxygen to increase the indoor oxygen concentration and ensure that the user is at the best comfortable and economical oxygen level.

[0166] The above are only some embodiments of the present utility model, and thus do not limit the scope of implementation of the present utility model. Any equivalent structural or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the protection scope of the present utility model.

Claims

1. A plateau diffuse oxygen indoor terminal intelligent control system, characterized in that: The control system includes: an oxygen concentrator, an oxygen sensor and an air pressure sensor; The oxygen concentrator comprises: a central controller and a signal receiving module; The central controller adopts an STM32F070C8T6 processor and is connected to the signal receiving module, the oxygen sensor and the air pressure sensor; The signal receiving module is used to receive user signals and transmit the user signals to the central controller; The oxygen sensor is used to collect the current oxygen content signal in the environment and output it to the central controller; The air pressure sensor is used to detect the air pressure signal in the current environment and output it to the central controller; The central controller is used to calibrate the current oxygen content signal by the preset air pressure signal to obtain a target oxygen concentration value when the air pressure signal is lower than a preset air pressure signal; The central controller is used to start oxygen production when the target oxygen concentration value is lower than a preset oxygen concentration value; The user signal includes: a user remote control signal; The signal receiving module includes: a wireless communication unit; The wireless communication unit adopts an ESP8266 Wi-Fi module, and the RST pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PB3 / SPI1_SCK / ESP_RST pin of the central controller; the EN pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA15 / SPI1_CS / USART2_RX / ESP_EN pin of the central controller; the IO0 pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA8 / ESP_IO0 pin of the central controller; the IO2 / TX1 / SDA pin of the ESP8266 Wi-Fi module U4 in the wireless communication unit is connected to the PA11 / USB_DM / ESP_IO2 pin of the central controller; the IO15 / PWM1 / HSPI_CS pin of the ESP8266 Wi-Fi module in the wireless communication unit is connected to the PA12 / USB_DP / ESP_IO15 pin of the central controller; The wireless communication unit is used to transmit a user signal to the central controller when the user uses a wireless device; The user signal includes: a touch signal; The signal receiving module further includes: a human-computer interaction unit; The human-machine interaction unit adopts NS4150B chip, and the output end of the human-machine interaction unit is connected to the PA1 / ADC1 / USART4_RX / HMI pin of the central controller; the input end of the human-machine interaction unit is connected to the PA0 / ADC0 / USART4_TX / HMI pin of the central controller; The human-computer interaction unit is used to transmit a user signal to the central controller when the user touches the touch screen.

2. The plateau diffuse oxygen indoor terminal intelligent control system according to claim 1, characterized in that: The signal receiving module also includes: a voice control unit; The voice control unit is connected to the central controller; The voice control unit is used to transmit the user signal to the central controller when the user speaks.

3. The plateau diffuse oxygen indoor terminal intelligent control system as claimed in claim 1 is characterized in that: The control system also includes: an air humidity sensor and a radar; The air humidity sensor and the radar are respectively connected to the central controller; The air humidity sensor is used to monitor the temperature signal and humidity signal of the indoor air; The radar is used to detect the presence of people in the room when the temperature signal and the humidity signal are within the range of the preset temperature signal and the preset humidity signal, and output a cutoff signal to the central controller when no people are detected; The central controller is further configured to stop oxygen production upon receiving the cut-off signal.

4. The plateau diffuse oxygen indoor terminal intelligent control system as claimed in claim 1, characterized in that: The oxygen sensor is also connected to the sensor interface, the equipment interface and the flow sensor respectively; The sensor interface is used to connect to an external sensor device; The device interface is used to communicate with the control device or the slave device; The flow sensor is used to output a start signal to the central controller when the indoor oxygen concentration flow signal is lower than a preset oxygen concentration flow signal; The central controller is further configured to start oxygen production upon receiving the start signal.

5. The plateau diffuse oxygen indoor terminal intelligent control system as claimed in claim 1, characterized in that: The control system also includes: an oscillator and a real-time clock; The oscillator is used to generate a clock signal required by the control system; The real-time clock is used to receive the clock signal generated by the oscillator and display the clock signal in real time.

6. The plateau diffuse oxygen indoor terminal intelligent control system as claimed in claim 1, characterized in that: The control system also includes: a data storage module: The data storage module is connected to the central controller; The data storage module is used to store the air pressure signal, the current oxygen content signal and the target oxygen concentration value during the operation of the control system.

7. The plateau diffuse oxygen indoor terminal intelligent control system as claimed in claim 1, characterized in that: The control system also includes: a lighting controller, a valve controller and a buzzer; The lighting controller, the valve controller and the buzzer are respectively connected to the central controller; The lighting controller is used to control the lighting equipment in the control system or connected to the control system to illuminate when the oxygen generator starts to produce oxygen; The valve controller is used to control the valve switch of the oxygen delivery pipeline when the oxygen concentrator starts to produce oxygen; The buzzer is used to give an alarm when the control system fails.

8. The plateau diffuse oxygen indoor terminal intelligent control system as claimed in claim 1, characterized in that: The control system further comprises: a power management module and a level conversion module; The power management module and the level conversion module are respectively connected to the central controller; The power management module is used to supply power to the control system; The level conversion module is used to enable the control system to adapt to connection devices with different voltages.

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