Automatic oxygen concentration synchronizing system of oxygen generator

Abstract

The utility model discloses an oxygen concentration automatic synchronizing system of an oxygen generator. The oxygen generator comprises an outer machine and an inner machine, the indoor unit comprises a host and a plurality of slaves, the host is provided with a host mainboard, the slaves are provided with slave mainboards, and the input ends of the host mainboard and the slave mainboards are respectively connected with an oxygen sensor; the information mutual transmission end of the host mainboard is connected with a first communication module, the information mutual transmission end of the slave mainboard is connected with a second communication module, and the first communication module is in communication connection with the second communication module. Data receiving and sending can be realized. After the oxygen generator is started, the master machine and the slave machines obtain the oxygen concentration value of the current environment, the slave machines transmit the oxygen concentration value to the master machine, the master machine analyzes and processes the data, then calculates a synchronous value and sends the synchronous value back to the slave machines, and finally the master machine and the slave machines adjust the oxygen concentration values of the master machine and the slave machines according to the synchronous value. And the oxygen concentrations at different positions in the same space are kept consistent.

Description

Technical Field

[0001] The utility model relates to a communication control system, in particular to an automatic synchronization system for oxygen concentration of an oxygen concentrator. Background Art

[0002] The diffused oxygen generator includes an outdoor unit installed outdoors and an indoor unit installed indoors. The outdoor unit and the indoor unit are connected by a pipe. The outdoor unit is used to produce oxygen and transfer oxygen to the indoor unit for discharge. The indoor unit is used to monitor the indoor oxygen concentration in real time and control the start and stop of the outdoor unit.

[0003] In the existing technology, multiple indoor units may be placed at different locations in the same indoor space. However, due to the combined influence of various complex factors such as atmospheric diffusion, air convection, and air density, the oxygen distribution conditions in the local environment of each indoor unit will vary, making it difficult to maintain consistent oxygen concentration values ​​detected by different indoor units. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an oxygen concentration automatic synchronization system for an oxygen concentrator.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] An oxygen concentration automatic synchronization system for an oxygen concentrator, the oxygen concentrator comprising an external unit and an internal unit; the internal unit comprising a host and a plurality of slave units, the host being provided with a host mainboard, the slave being provided with a slave mainboard, the input ends of the host mainboard and the slave mainboard being respectively connected to oxygen sensors; an information transmission end of the host mainboard being connected to a first communication module, an information transmission end of the slave mainboard being connected to a second communication module, the first communication module being communicatively connected to the second communication module.

[0007] The host motherboard includes a main control chip U2, the first communication module includes a Bluetooth module U1, the 12th pin of the main control chip U2 is connected to the 8th pin of the Bluetooth module U1 through a resistor R4, and the 13th pin of the main control chip U2 is connected to the 7th pin of the Bluetooth module U1 through a resistor R5.

[0008] The 31st pin of the main control chip U2 is connected to the 1st pin of the oxygen sensor U3 through the resistor R6, and the 30th pin of the main control chip U2 is connected to the 2nd pin of the oxygen sensor U3 through the resistor R7.

[0009] A host filter circuit consisting of a capacitor C1 , a capacitor C2 , a capacitor C3 , a capacitor C4 and a capacitor C5 connected in parallel is connected between the power input terminal of the main control chip U2 and the ground.

[0010] The slave mainboard includes a main control chip U5, the second communication module includes a Bluetooth module U4, the 12th pin of the main control chip U5 is connected to the 8th pin of the Bluetooth module U4 through a resistor R11, and the 13th pin of the main control chip U5 is connected to the 7th pin of the Bluetooth module U4 through a resistor R12.

[0011] The 31st pin of the main control chip U5 is connected to the 1st pin of the oxygen sensor U6 via the resistor R13, and the 30th pin of the main control chip U5 is connected to the 2nd pin of the oxygen sensor U6 via the resistor R14.

[0012] A slave filter circuit consisting of capacitors C7, C8, C9, C10 and C11 connected in parallel is connected between the power input terminal of the master control chip U5 and the ground.

[0013] The Bluetooth module U1 of the first communication module is communicatively connected with the Bluetooth module U4 of the second communication module.

[0014] The beneficial effects of the present invention are as follows: The present invention installs multiple indoor units at different locations within the same indoor space. These units consist of a master unit and several slave units. The master unit and the slave units are connected via a communication module, enabling data transmission and reception. After the oxygen concentrator is powered on, the master unit and the slave units obtain the current ambient oxygen concentration value. Each slave unit transmits the oxygen concentration value to the master unit, which analyzes and processes the data, calculates a synchronization value, and sends this synchronization value back to the slave units. Finally, the master unit and the slave units adjust their own oxygen concentration values ​​based on the synchronization value, ensuring that the oxygen concentration remains consistent at different locations within the same space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 It is a principle block diagram of the utility model.

[0017] Figure 2 This is the circuit schematic of the host motherboard.

[0018] Figure 3 This is the circuit schematic of the slave mainboard. DETAILED DESCRIPTION

[0019] Reference Figure 1An automatic oxygen concentration synchronization system for an oxygen concentrator is disclosed. The system includes a host and several slaves, wherein the host is any one of several internal units. The host is provided with a host motherboard, and the slaves are provided with slave motherboards. The input terminals of the host motherboard and the slave motherboard are respectively connected to oxygen sensors. The information transmission terminal of the host motherboard is connected to a first communication module, and the information transmission terminal of the slave motherboard is connected to a second communication module. The first communication module and the second communication module are communicatively connected to each other to enable data reception and transmission. After the oxygen concentrator is powered on, the host and each slave obtain the current ambient oxygen concentration value. Each slave transmits the oxygen concentration value to the host. The host analyzes and processes this data, then calculates a synchronization value and sends it back to each slave. The synchronization value can be the average of the data or any single value. The host and each slave adjust their own oxygen concentration values ​​based on the synchronization value to ensure that the oxygen concentration at different locations in the same space remains consistent.

[0020] Reference Figure 2 , Figure 2 This is a schematic diagram of the host motherboard circuit provided in this embodiment. The host motherboard includes a main control chip U2, and the first communication module includes a Bluetooth module U1. Pin 12 of the main control chip U2 is connected to pin 8 of the Bluetooth module U1 via resistor R4, and pin 13 of the main control chip U2 is connected to pin 7 of the Bluetooth module U1 via resistor R5. In this embodiment, the main control chip U2 uses an STM32 series single-chip microcontroller, with the optimal chip model being STM32F103C8T6TR. Pins 12 and 13 of the main control chip U2 serve as the data transmit pin and data receive pin, respectively, for sending and receiving data. Pin 2 of the Bluetooth module U1 is connected to a power supply VCC with a voltage of 3.3V. Pin 3 of the Bluetooth module U1 is grounded. Pin 4 of the Bluetooth module U1 is connected in series with a light-emitting diode LED1 via resistor R1. When in operation, LED1 illuminates, indicating the status of the Bluetooth module U1.

[0021] Pin 31 of the main control chip U2 is connected to pin 1 of the oxygen sensor U3 via resistor R6, and pin 30 of the main control chip U2 is connected to pin 2 of the oxygen sensor U3 via resistor R7. Pin 31 of the main control chip U2 is used to receive data transmitted by the oxygen sensor U3, and pin 30 of the main control chip U2 is used to control the start and stop of the oxygen sensor U3.

[0022] A host filter circuit consisting of capacitors C1, C2, C3, C4, and C5 in parallel is connected between the power input terminal of the main control chip U2 and ground to prevent signal interference. In this embodiment, pin 7 of the main control chip U2 can be used as a program input pin. Pin 7 is connected to the power supply VCC through resistor R7, and capacitor C6 is connected between resistor R9 and pin 7.

[0023] Reference Figure 3 , Figure 3 This is a schematic diagram of the slave motherboard circuit provided in this embodiment. The slave motherboard includes a master control chip U5, and the second communication module includes a Bluetooth module U4. Pin 12 of the master control chip U5 is connected to pin 8 of the Bluetooth module U4 via resistor R11, and pin 13 of the master control chip U5 is connected to pin 7 of the Bluetooth module U4 via resistor R12. In this embodiment, the master control chip U5 uses an STM32 series single-chip microcontroller, with the optimal chip model being STM32F103C8T6TR. Pins 12 and 13 of the master control chip U5 serve as the data transmit pin and data receive pin, respectively, for sending and receiving data. Pin 2 of the Bluetooth module U4 is connected to a power supply VCC with a voltage of 3.3V. Pin 3 of the Bluetooth module U4 is grounded. Pin 4 of the Bluetooth module U4 is connected in series with a light-emitting diode LED2 via resistor R8. When in operation, LED2 illuminates, indicating the status of the Bluetooth module U4.

[0024] Pin 31 of the main control chip U5 is connected to pin 1 of the oxygen sensor U6 via resistor R13, and pin 30 of the main control chip U5 is connected to pin 2 of the oxygen sensor U6 via resistor R14. Pin 31 of the main control chip U5 is used to receive data transmitted by the oxygen sensor U6, and pin 30 of the main control chip U5 is used to control the start and stop of the oxygen sensor U6.

[0025] A slave filter circuit consisting of capacitors C7, C8, C9, C10, and C11 in parallel is connected between the power input terminal of the master control chip U5 and ground. In this embodiment, pin 7 of the master control chip U2 can be used as a program input pin. Pin 7 is connected to the power supply VCC via resistor R9, and capacitor C12 is connected between resistor R9 and pin 9.

[0026] Working principle: After the oxygen concentrator is powered on, the oxygen sensor U3 of the host and the oxygen sensor U6 of each slave obtain the oxygen concentration value of the current environment. The oxygen sensor U3 transmits data to the main control chip U2, and the oxygen sensor U6 transmits data to the main control chip U5. Then, the main control chip U5 of each slave transmits the data to the Bluetooth module U1 of the host through the Bluetooth module U4. The Bluetooth module U1 transmits the data to the main control chip U2. The main control chip U2 then analyzes and processes the data, calculates a synchronization value and sends the synchronization value back to the Bluetooth module U1. The Bluetooth module U1 sends the synchronization value to the Bluetooth module U4 of each slave. The main control chip U5 of each slave obtains the synchronization value returned by the Bluetooth module U4. Finally, the host and each slave adjust their own oxygen concentration values ​​according to the synchronization value to keep the oxygen concentration in different positions in the same space consistent.

[0027] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An oxygen concentration automatic synchronization system for an oxygen concentrator, the oxygen concentrator comprising an external unit and an internal unit; characterized in that: The internal machine includes a host and several slaves, the host is provided with a host mainboard, and the slave is provided with a slave mainboard. The input ends of the host mainboard and the slave mainboard are respectively connected to oxygen sensors; the information transmission end of the host mainboard is connected to a first communication module, and the information transmission end of the slave mainboard is connected to a second communication module, and the first communication module is communicatively connected to the second communication module.

2. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 1 is characterized in that The host motherboard includes a main control chip U2, the first communication module includes a Bluetooth module U1, the 12th pin of the main control chip U2 is connected to the 8th pin of the Bluetooth module U1 through a resistor R4, and the 13th pin of the main control chip U2 is connected to the 7th pin of the Bluetooth module U1 through a resistor R5.

3. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 2 is characterized in that The 31st pin of the main control chip U2 is connected to the 1st pin of the oxygen sensor U3 through the resistor R6, and the 30th pin of the main control chip U2 is connected to the 2nd pin of the oxygen sensor U3 through the resistor R7.

4. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 3 is characterized in that A host filter circuit consisting of a capacitor C1 , a capacitor C2 , a capacitor C3 , a capacitor C4 and a capacitor C5 connected in parallel is connected between the power input terminal of the main control chip U2 and the ground.

5. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 1 is characterized in that The slave mainboard includes a main control chip U5, the second communication module includes a Bluetooth module U4, the 12th pin of the main control chip U5 is connected to the 8th pin of the Bluetooth module U4 through a resistor R11, and the 13th pin of the main control chip U5 is connected to the 7th pin of the Bluetooth module U4 through a resistor R12.

6. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 5 is characterized in that The 31st pin of the main control chip U5 is connected to the 1st pin of the oxygen sensor U6 via the resistor R13, and the 30th pin of the main control chip U5 is connected to the 2nd pin of the oxygen sensor U6 via the resistor R14.

7. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 6 is characterized in that A slave filter circuit consisting of capacitors C7, C8, C9, C10 and C11 connected in parallel is connected between the power input terminal of the master control chip U5 and the ground.

8. The oxygen concentration automatic synchronization system of the oxygen concentrator according to claim 1 is characterized in that The Bluetooth module U1 of the first communication module is communicatively connected with the Bluetooth module U4 of the second communication module.

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