Ventilator pipeline temperature and humidity monitoring and control system

Abstract

The invention discloses a ventilator pipeline temperature and humidity monitoring and control system, a collection end circuit and a control end circuit; the collection end circuit comprises: a temperature and humidity collection module, a second single-chip microcomputer chip U1, a first wireless communication module and a first power module; the control end circuit comprises: a second wireless communication module, a second single-chip microcomputer chip, an LCD display module, a temperature and humidity control module and a second power module; the temperature and humidity of the ventilator are collected by the temperature and humidity collection module, the first single-chip microcomputer chip processes and sends the data to the second single-chip microcomputer chip through the first wireless communication module and the second wireless communication module for processing, the temperature control module controls the temperature and humidity, and the temperature and humidity are adjusted, which is not restricted by environmental conditions, has high sensitivity, is easy to expand, and is convenient to maintain, thereby improving the rehabilitation treatment effect of ventilator patients; the invention can be used to detect and control the temperature and humidity of the ventilator.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a ventilator pipeline temperature and humidity monitoring and control system. Background Art

[0002] The temperature and humidity control of the ventilator patient circuit plays a vital role in the rehabilitation treatment of patients with respiratory diseases. Too high or too low temperature and humidity will affect the recovery of respiratory patients. In the medical field, there are few technologies for controlling the temperature and humidity of the ventilator patient circuit. The current problem is that the temperature and humidity of the traditional ventilator patient circuit are achieved through an external simple temperature and humidity generator, and the humidifier is used to add distilled water for gear control. There are many disadvantages, such as low sensitivity of temperature and humidity monitoring, slow response, high condensation water, and easy breakage of wired temperature probes. Summary of the invention

[0003] The purpose of the present invention is to provide a ventilator pipeline temperature and humidity monitoring and control system to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] The technical solution adopted to solve the above technical problems: a ventilator pipeline temperature and humidity monitoring and control system, comprising: an acquisition end circuit and a control end circuit; the acquisition end circuit comprises: a temperature and humidity acquisition module, a first single-chip microcomputer chip, a first wireless communication module and a first power supply module; the control end circuit comprises: a second wireless communication module, a second single-chip microcomputer chip, an LCD display module, a temperature and humidity control module and a second power supply module;

[0005] The temperature and humidity acquisition module is used to collect temperature and humidity data of the ventilator; the first single-chip microcomputer chip is connected to and controls the temperature and humidity acquisition module, receives the data collected by the temperature and humidity acquisition module and processes it to obtain a temperature and humidity signal; the first wireless communication module is connected to the first single-chip microcomputer chip, and receives the temperature and humidity signal of the first single-chip microcomputer chip; the first power supply module is used to connect and power the temperature and humidity acquisition module and the first single-chip microcomputer chip; the second wireless communication module is connected to and receives the temperature and humidity signal of the first wireless communication module; the second single-chip microcomputer chip receives the temperature and humidity signal of the second wireless communication module and processes it; the LCD display module is used to receive and display the temperature and humidity information of the second single-chip microcomputer chip; the temperature and humidity control module is connected to the second single-chip microcomputer chip and controls the temperature and humidity respectively according to the temperature and humidity information sent by the second single-chip microcomputer chip, and the temperature and humidity control module includes: an atomizer for adjusting humidity; a heating wire for adjusting temperature; the second power supply module is used to connect and power the second single-chip microcomputer chip, the LCD display module, the temperature and humidity control module and the temperature and humidity alarm module.

[0006] The temperature and humidity of the ventilator are collected through the temperature and humidity acquisition module, processed by the first single-chip microcomputer chip and sent to the second single-chip microcomputer chip for processing through the first wireless communication module and the second wireless communication module. The temperature and humidity are controlled by the temperature control module to achieve temperature and humidity adjustment. It is not restricted by environmental conditions, has high sensitivity, is easy to expand, and is convenient to maintain, thereby improving the rehabilitation treatment effect of ventilator patients.

[0007] As a further improvement of the above technical solution, the control end circuit also includes a temperature and humidity alarm module, and the temperature and humidity alarm module is connected to the second single-chip microcomputer chip to realize abnormal temperature and humidity alarm.

[0008] As a further improvement of the above technical solution, both the first wireless communication module and the second wireless communication module are ZigBee wireless communication modules, providing a fast wireless network environment.

[0009] As a further improvement of the above technical solution, the first single-chip microcomputer chip and the second single-chip microcomputer chip are both CC2530 chips, which have fast running speed and good performance.

[0010] As a further improvement of the above technical solution, the temperature and humidity acquisition module adopts SHT52 chip, which can collect data sensitively.

[0011] As a further improvement of the above technical solution, the driving circuit of the heating wire includes a third resistor, a fourth resistor, a first diode, a photocoupler, a fifth heating wire and a bidirectional thyristor;

[0012] The left end of the third resistor is connected to the power supply, the right end of the third resistor is connected to the first pin of the photocoupler, the second pin of the photocoupler is connected to the positive electrode of the first diode, the negative electrode of the first diode is connected to the second single-chip chip, the third pin of the photocoupler is connected to the gate of the bidirectional thyristor, the fourth pin of the photocoupler is connected to the left end of the fourth resistor, the right end of the fourth resistor is respectively connected to the left end of the fifth heating wire and the first electrode of the bidirectional thyristor, and the second electrode of the bidirectional thyristor and the right end of the fifth heating wire are respectively connected to the second single-chip chip.

[0013] As a further improvement of the above technical solution, the driving circuit of the atomizer sheet includes: a first switch, a twenty-second capacitor, a sixth resistor, a first fan, a third transistor, a second diode, a second transistor, a seventh resistor, an eighth resistor, a ninth resistor, a third diode, a reed switch, a tenth resistor, a twelfth resistor, a thirteenth resistor, a twenty-third capacitor, a fifth inductor, a fourteenth resistor, a fourth inductor, a sixth inductor, an atomizer sheet, a twenty-fourth capacitor, a twenty-fifth capacitor, a fifteenth resistor, a twenty-sixth capacitor, a first transistor, a voltage-stabilizing diode and a twenty-seventh capacitor;

[0014] The upper end of the 22nd capacitor is respectively connected to the power supply end, the upper end of the first switch and the first pin of the first fan, and the lower end of the 22nd capacitor is connected to the ground end; the emitter of the third transistor is connected to the lower end of the first switch, the collector of the third transistor is connected to the positive electrode of the second diode, the base of the third transistor is connected to the lower end of the reed switch, the left end of the ninth resistor, the upper end of the seventh resistor and the left end of the eighth resistor; the negative electrode of the second diode is connected to the ground end; the collector of the second transistor is connected to the second pin of the first fan, and the emitter of the second diode is connected to the ground end; the base of the second diode is connected to the lower end of the seventh resistor, the right end of the sixth resistor is connected to the upper end of the reed switch and the left end of the 23rd capacitor; the right end of the eighth resistor is connected to the positive electrode of the third diode, and the negative electrode of the third diode is connected to the ground end; the right end of the ninth resistor is connected to the upper end of the tenth resistor, and the lower end of the tenth resistor is respectively connected to the third pin of the digital potentiometer, the first pin of the digital potentiometer, and the second pin of the digital potentiometer. The left end of the twelfth resistor and the left end of the thirteenth resistor; the right end of the twelfth resistor are respectively connected to the eighth pin of the digital potentiometer, the lower end of the fifth inductor and the left end of the fourteenth resistor; the right end of the twenty-third capacitor is connected to the upper end of the fifth inductor, the upper end of the atomizer, the upper end of the twenty-sixth capacitor, the upper end of the twenty-seventh capacitor, the negative electrode of the voltage stabilizing diode and the collector of the first transistor; the lower end of the atomizer is connected to the upper end of the twenty-fourth capacitor, and the lower end of the twenty-fourth capacitor is respectively connected to the right end of the fourteenth resistor, the left end of the fifteenth resistor and the upper end of the twenty-fifth capacitor; the right end of the thirteenth resistor is connected to the left end of the fourth inductor, and the right end of the fourth inductor is connected to the lower end of the twenty-fifth capacitor, the left end of the sixth inductor and the lower end of the twenty-seventh capacitor; the base of the first transistor is respectively connected to the right end of the fifteenth resistor and the lower end of the twenty-sixth capacitor, and the emitter of the first transistor is respectively connected to the positive electrode of the voltage stabilizing diode and the right end of the sixth inductor.

[0015] As a further improvement of the above technical solution, the temperature and humidity acquisition module includes: a temperature and humidity sensor chip, a sixteenth resistor, a seventeenth resistor, and a thirty-sixth capacitor;

[0016] The first pin of the temperature and humidity sensor chip is respectively connected to the upper end of the sixteenth resistor and the left end of the seventeenth resistor; the second pin of the temperature and humidity sensor chip is connected to the ground terminal; the third pin of the temperature and humidity sensor chip is connected to the lower end of the sixteenth resistor; the fourth pin of the temperature and humidity sensor chip is respectively connected to the lower end of the thirty-sixth capacitor and the ground terminal, and the fifth pin of the temperature and humidity sensor chip is connected to the right end of the seventeenth resistor; the upper end of the thirty-sixth capacitor is connected to the power supply terminal.

[0017] Beneficial effects of the present invention: The present invention collects the temperature and humidity of the ventilator through the temperature and humidity acquisition module, the first single-chip microcomputer chip processes it and sends it to the second single-chip microcomputer chip through the first wireless communication module and the second wireless communication module for processing, and the temperature control module controls the temperature and humidity to achieve temperature and humidity regulation. It is not restricted by environmental conditions, has high sensitivity, is easy to expand, and is convenient to maintain, thereby improving the rehabilitation treatment effect of ventilator patients.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a schematic diagram of a circuit module of a ventilator pipeline temperature and humidity monitoring and control system provided by the present invention;

[0021] Figure 2 This is a schematic diagram of a control end chip of a ventilator pipeline temperature and humidity monitoring and control system provided by the present invention;

[0022] Figure 3 It is a schematic diagram of the atomizer drive circuit of the ventilator pipeline temperature and humidity monitoring and control system provided by the present invention;

[0023] Figure 4 It is a schematic diagram of a heating wire driving circuit of a ventilator pipeline temperature and humidity monitoring and control system provided by the present invention;

[0024] Figure 5 It is a schematic diagram of the temperature and humidity sensor circuit of the ventilator pipeline temperature and humidity monitoring and control system provided by the present invention;

[0025] Figure 2 , 3 The coordinate arrows at , 4, and 5 represent up, down, left, and right, respectively. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] Reference Figure 1 The ventilator pipeline temperature and humidity monitoring and control system includes: an acquisition end circuit and a control end circuit; the acquisition end circuit includes: a temperature and humidity acquisition module, a first single-chip microcomputer chip, a first wireless communication module and a first power supply module; the control end circuit includes: a second wireless communication module, a second single-chip microcomputer chip U1, an LCD display module, a temperature and humidity control module, a second power supply module and a temperature and humidity alarm module; the temperature and humidity control module includes: an atomizer and a heating wire.

[0031] The first power supply module is respectively connected to the first wireless communication module, the first single-chip microcomputer chip, and the temperature and humidity acquisition module, and the first single-chip microcomputer chip is respectively connected to and controls the first wireless communication module and the temperature and humidity acquisition module; the first wireless communication module is connected to the second wireless communication module; the second power supply module is respectively connected to the second wireless communication module, the second single-chip microcomputer chip U1, the LCD display module, the temperature and humidity control module, and the temperature and humidity alarm module, and the second single-chip microcomputer chip U1 is respectively connected to and controls the second wireless communication module, the LCD display module, the temperature and humidity control module, and the temperature and humidity alarm module; the atomizer sheet and the heating wire are respectively connected to the second single-chip microcomputer chip U1.

[0032] The temperature and humidity acquisition module is used to collect the temperature and humidity data of the ventilator, including a temperature sensor and a humidity sensor.

[0033] The first single-chip microcomputer chip is connected to and controls the temperature and humidity acquisition module, receives data collected by the temperature and humidity acquisition module and processes the data to obtain temperature and humidity signals.

[0034] The second single-chip microcomputer chip U1 receives and processes the temperature and humidity signals from the second wireless communication module to obtain the temperature and humidity information data that needs to be adjusted.

[0035] LCD display module, used to receive and display the temperature and humidity information of the second single-chip microcomputer chip U1;

[0036] The temperature and humidity control module is connected to the second single-chip microcomputer chip U1 and controls the temperature and humidity respectively according to the temperature and humidity information sent by the second single-chip microcomputer chip U1, wherein the atomizing sheet is used to adjust the humidity; and the heating wire is used to adjust the temperature.

[0037] The second single-chip microcomputer chip U1 and the first single-chip microcomputer chip both use the CC2530 model. Figure 2, the first pin DVDD of the second single-chip microcomputer chip U1 is connected to the upper end of the second capacitor C2 and the left end of the first inductor L1, the second pin AVDD_DREG of the second single-chip microcomputer chip U1 is connected to the upper end of the first capacitor C1 and the left end of the first inductor L1, the third pin DGND_USB, the fourth pin USB_N, the fifth pin USB_P and the sixth pin DVDD_USB of the second single-chip microcomputer chip U1 are connected to the ground terminal GND, the seventh pin RESET of the second single-chip microcomputer chip U1 is connected to the right end of the third switch S3 and the right end of the twenty-first capacitor C21 The left end, the eighth pin DCOUPL of the second single-chip microcomputer chip U1 is connected to the upper end of the fourteenth capacitor C14 and the power supply end, the ninth pin RBLAS of the second single-chip microcomputer chip U1 is connected to the upper end of the first resistor R1, the tenth pin GND of the second single-chip microcomputer chip U1 is connected to the ground terminal GND, the eleventh pin AVDD5 of the second single-chip microcomputer chip U1 is connected to the upper end of the third capacitor C3 and the left end of the first inductor L1, the twelfth pin AVDD3 of the second single-chip microcomputer chip U1 is connected to the upper end of the fourth capacitor C4 and the left end of the first inductor L1, the second single-chip microcomputer chip U1 The thirteenth pin AVDD2, the fourteenth pin AVDD1 and the fifteenth pin AVDD4 are connected to the upper end of the fifth capacitor C5, the upper end of the sixth capacitor C6 and the left end of the first inductor L1, the sixteenth pin AVDD_GUARD of the second single-chip microcomputer chip U1 is connected to the upper end of the seventh capacitor C7, the upper end of the eighth capacitor C8 and the left end of the first inductor L1, the seventeenth pin RF_P of the second single-chip microcomputer chip U1 is connected to the left end of the tenth capacitor C10, the eighteenth pin RF_N of the second single-chip microcomputer chip U1 is connected to the left end of the twelfth capacitor C12, and the second single-chip microcomputer chip The nineteenth pin P2_4 of the second single-chip U1 is connected to the left end of the second crystal oscillator Y2 and the left end of the fifteenth capacitor C15, the twentieth pin P2_3 of the second single-chip microcomputer chip U1 is connected to the right end of the second crystal oscillator Y2 and the left end of the sixteenth capacitor C16, the twenty-first pin XOSC32M_Q1 of the second single-chip microcomputer chip U1 is connected to the left end of the first crystal oscillator Y1 and the left end of the eighteenth capacitor C18, and the twenty-second pin XOSC32M_Q2 of the second single-chip microcomputer chip U1 is connected to the right end of the first crystal oscillator Y1 and the left end of the seventeenth capacitor C17.

[0038] Please refer to Figure 2, the lower end of the first capacitor C1, the lower end of the second capacitor C2, the lower end of the third capacitor C3, the lower end of the fourth capacitor C4, the lower end of the fifth capacitor C5, the lower end of the sixth capacitor C6, the lower end of the seventh capacitor C7, the lower end of the eighth capacitor C8, the lower end of the second capacitor C2, the right end of the second inductor L2, the right end of the thirteenth capacitor C13, the right end of the nineteenth capacitor, the lower end of the twentieth capacitor, the right end of the fifteenth capacitor C15, the right end of the sixteenth capacitor C16, the right end of the seventeenth capacitor C17, the right end of the eighteenth capacitor C18, the right end of the twenty-first capacitor C21, the tenth The lower end of the fourth capacitor C14 and the lower end of the first resistor are both connected to the ground terminal GND; the left end of the third switch S3 and the right end of the first inductor L1 are respectively connected to the power supply terminal; the right end of the tenth capacitor C10 is respectively connected to the left end of the second inductor L2 and the left end of the ninth capacitor C9, the right end of the ninth capacitor C9 is connected to the left end of the eleventh capacitor C11, the right end of the eleventh capacitor C11 is connected to the upper end of the twentieth capacitor C20, the right end of the twelfth capacitor C12 is connected to the left end of the thirteenth capacitor C13 and the left end of the third inductor L3, and the right end of the third inductor L3 is connected to the left end of the nineteenth capacitor C19.

[0039] Please refer to Figure 4 , the driving circuit of the heating wire includes a third resistor R3, a fourth resistor R4, a first diode D1, a photocoupler U4, a fifth heating wire R5A and a bidirectional thyristor Q4;

[0040] The left end of the third resistor R3 is connected to the power supply, the right end of the third resistor R3 is connected to the first pin of the photocoupler U4, the second pin of the photocoupler U4 is connected to the positive electrode of the first diode D1, the negative electrode of the first diode D1 is connected to the second single-chip microcomputer chip U1, the third pin of the photocoupler U4 is connected to the gate of the bidirectional thyristor Q4, the fourth pin of the photocoupler U4 is connected to the left end of the fourth resistor R4, the right end of the fourth resistor R4 is respectively connected to the left end of the fifth heating wire R5A and the first electrode of the bidirectional thyristor Q4, the second electrode of the bidirectional thyristor Q4 and the right end of the fifth heating wire R5A are respectively connected to the second single-chip microcomputer chip U1.

[0041] Please refer to Figure 3The driving circuit of the atomizer sheet includes: a first switch S1, a twenty-second capacitor C22, a sixth resistor R6, a first fan FAN1, a third transistor Q3, a second diode D2, a second transistor Q2, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a third diode D3, a reed switch S2, a tenth resistor R10, a twelfth resistor R12, a thirteenth resistor R13, a twenty-third capacitor C23, a fifth inductor L5, a fourteenth resistor R14, a fourth inductor L4, a sixth inductor L6, an atomizer sheet Y1, a twenty-fourth capacitor C24, a twenty-fifth capacitor C25, a fifteenth resistor R15, a twenty-sixth capacitor C26, a first transistor Q1, a voltage-stabilizing diode D4, and a twenty-seventh capacitor C27;

[0042] The upper end of the twenty-second capacitor C22 is respectively connected to the power supply end, the upper end of the first switch S1 and the first pin of the first fan FAN1, and the lower end of the twenty-second capacitor C22 is connected to the ground end; the emitter of the third transistor Q3 is connected to the lower end of the first switch S1, the collector of the third transistor Q3 is connected to the positive electrode of the second diode D2, the base of the third transistor Q3 is connected to the lower end of the reed switch S2, the left end of the ninth resistor R9, the upper end of the seventh resistor R7 and the left end of the eighth resistor R8; the cathode of the second diode D2 is connected to the ground end; The collector is connected to the second pin of the first fan FAN1, and the emitter of the second diode D2 is connected to the ground terminal; the base of the second diode D2 is connected to the lower end of the seventh resistor R7, and the right end of the sixth resistor R6 is connected to the upper end of the reed switch S2 and the left end of the twenty-third capacitor C23; the right end of the eighth resistor R8 is connected to the positive electrode of the third diode D3, and the negative electrode of the third diode D3 is connected to the ground terminal; the right end of the ninth resistor R9 is connected to the upper end of the tenth resistor R10, and the lower end of the tenth resistor R10 is respectively connected to the third pin of the digital potentiometer U3 and the twelfth resistor R1 2 and the left end of the thirteenth resistor R13; the right end of the twelfth resistor R12 is respectively connected to the eighth pin of the digital potentiometer U3, the lower end of the fifth inductor L5 and the left end of the fourteenth resistor R14; the right end of the twenty-third capacitor C23 is connected to the upper end of the fifth inductor L5, the upper end of the atomizer Y1, the upper end of the twenty-sixth capacitor C26, the upper end of the twenty-seventh capacitor C27, the cathode of the voltage stabilizing diode D4 and the collector of the first transistor Q1; the lower end of the atomizer Y1 is connected to the upper end of the twenty-fourth capacitor C24, and the lower end of the twenty-fourth capacitor C24 ... The right end of the fourteenth resistor R14, the left end of the fifteenth resistor R15 and the upper end of the twenty-fifth capacitor C25 are respectively connected; the right end of the thirteenth resistor R13 is connected to the left end of the fourth inductor L4, the right end of the fourth inductor L4 is connected to the lower end of the twenty-fifth capacitor C25, the left end of the sixth inductor L6 and the lower end of the twenty-seventh capacitor C27; the base of the first transistor Q1 is respectively connected to the right end of the fifteenth resistor R15 and the lower end of the twenty-sixth capacitor C26, and the emitter of the first transistor Q1 is respectively connected to the anode of the voltage stabilizing diode D4 and the right end of the sixth inductor L6.

[0043] Please refer to Figure 5 The temperature and humidity sensor adopts SHT35 chip, and the temperature and humidity acquisition module includes: temperature and humidity sensor chip U6, sixteenth resistor R16, seventeenth resistor R17, and thirty-sixth capacitor C36;

[0044] The first pin P0_5 / SDA of the temperature and humidity sensor chip U6 is respectively connected to the upper end of the sixteenth resistor R16 and the left end of the seventeenth resistor R17; the second pin of the temperature and humidity sensor chip U6 is connected to the ground terminal GND; the third pin P0_6 / SCL of the temperature and humidity sensor chip U6 is connected to the lower end of the sixteenth resistor R16; the fourth pin of the temperature and humidity sensor chip U6 is respectively connected to the lower end of the thirty-sixth capacitor C36 and the ground terminal GND, and the fifth pin of the temperature and humidity sensor chip U6 is connected to the right end of the seventeenth resistor R17; the upper end of the thirty-sixth capacitor C36 is connected to the power supply terminal.

[0045] The temperature and humidity of the ventilator are collected through the temperature and humidity acquisition module, processed by the first single-chip microcomputer chip and sent to the second single-chip microcomputer chip U1 for processing through the first wireless communication module and the second wireless communication module. The temperature and humidity are controlled by the temperature control module to achieve temperature and humidity adjustment. It is not restricted by environmental conditions, has high sensitivity, is easy to expand, and is convenient to maintain, thereby improving the rehabilitation treatment effect of ventilator patients.

[0046] In some embodiments, the first wireless communication module and the second wireless communication module are both ZigBee wireless communication modules.

[0047] The software development environment of the present invention is IAR Embedded Workbench for 8051, the ZigBee protocol stack is TI's ZStack-CC2530-2.3.0-1.4.0, the application code of the system is implemented by programming in C language, the program is downloaded using SmartRF Flash Programmer software, and the serial port debugging software sscom32 is used to perform sensor network data acquisition experiments.

[0048] The specific process of the overall operation process of the software system is: the control end and the acquisition end system are powered on, the delay program is executed to stabilize the system, and the system is initialized (including CC2530 chip initialization, IIC initialization, temperature and humidity acquisition module initialization, LCD display module initialization, etc.), the CC2530 chip on the acquisition end executes the write IIC Address command and the 16-bit Fetch Data command, and SHT35 returns a 6-byte array (including 16-bit temperature, 16-bit humidity, 8-bit temperature CRC check, 8-bit humidity CRC check) after receiving the command, parses the array to obtain temperature and humidity information and sends it to the control end, the control end determines the temperature and humidity through the alarm upper and lower limits, and executes the corresponding control program to drive the atomizer, and finally displays the collected relevant information on the OLED screen.

[0049] The program code for automatically reading temperature and humidity in this system software program is as follows:

[0050]

[0051]

[0052]

[0053] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A ventilator pipeline temperature and humidity monitoring and control system, characterized in that: include: The collection end circuit includes: Temperature and humidity acquisition module, used to collect temperature and humidity data of the ventilator; A first single-chip microcomputer chip is connected to and controls the temperature and humidity acquisition module, receives data collected by the temperature and humidity acquisition module and processes the data to obtain a temperature and humidity signal; A first wireless communication module is connected to the first single-chip microcomputer chip and receives temperature and humidity signals from the first single-chip microcomputer chip; A first power supply module, used for connecting to and supplying power to the temperature and humidity acquisition module and the first single-chip microcomputer chip; The control end circuit comprises: A second wireless communication module, connected to and receiving the temperature and humidity signals of the first wireless communication module; A second single-chip microcomputer chip receives and processes the temperature and humidity signals from the second wireless communication module; An LCD display module, used for receiving and displaying the temperature and humidity information of the second single-chip microcomputer chip; A temperature and humidity control module, connected to the second single-chip microcomputer chip and controlling the temperature and humidity respectively according to the temperature and humidity information sent by the second single-chip microcomputer chip; The control end circuit also includes a temperature and humidity alarm module; The temperature and humidity control module comprises: Atomizer sheet, used to adjust humidity; Heating wire, used to adjust the temperature; A second power supply module, used to connect and supply power to the second single-chip microcomputer chip, the LCD display module, the temperature and humidity control module, and the temperature and humidity alarm module; The driving circuit of the heating wire comprises a third resistor, a fourth resistor, a first diode, a photocoupler, a fifth heating wire and a bidirectional thyristor; The left end of the third resistor is connected to a power source, the right end of the third resistor is connected to a first pin of the photocoupler, the second pin of the photocoupler is connected to the anode of the first diode, the cathode of the first diode is connected to the second single-chip chip, the third pin of the photocoupler is connected to the gate of the bidirectional thyristor, the fourth pin of the photocoupler is connected to the left end of the fourth resistor, the right end of the fourth resistor is respectively connected to the left end of the fifth heating wire and the first electrode of the bidirectional thyristor, the second electrode of the bidirectional thyristor and the right end of the fifth heating wire are respectively connected to the second single-chip chip; The driving circuit of the atomizer sheet includes: a first switch, a twenty-second capacitor, a sixth resistor, a first fan, a third transistor, a second diode, a second transistor, a seventh resistor, an eighth resistor, a ninth resistor, a third diode, a reed switch, a tenth resistor, a twelfth resistor, a thirteenth resistor, a twenty-third capacitor, a fifth inductor, a fourteenth resistor, a fourth inductor, a sixth inductor, an atomizer sheet, a twenty-fourth capacitor, a twenty-fifth capacitor, a fifteenth resistor, a twenty-sixth capacitor, a first transistor, a voltage-stabilizing diode, and a twenty-seventh capacitor; The upper end of the 22nd capacitor is respectively connected to the power supply end, the upper end of the first switch and the first pin of the first fan, and the lower end of the 22nd capacitor is connected to the ground end; the emitter of the third transistor is connected to the lower end of the first switch, the collector of the third transistor is connected to the positive electrode of the second diode, the base of the third transistor is connected to the lower end of the reed switch, the left end of the ninth resistor, the upper end of the seventh resistor and the left end of the eighth resistor; the negative electrode of the second diode is connected to the ground end; the collector of the second transistor is connected to the second pin of the first fan, and the emitter of the second diode is connected to the ground end; the base of the second diode is connected to the lower end of the seventh resistor, the right end of the sixth resistor is connected to the upper end of the reed switch and the left end of the 23rd capacitor; the right end of the eighth resistor is connected to the positive electrode of the third diode, and the negative electrode of the third diode is connected to the ground end; the right end of the ninth resistor is connected to the upper end of the tenth resistor, and the lower end of the tenth resistor is respectively connected to the third pin of the digital potentiometer, the first pin of the digital potentiometer, and the second pin of the digital potentiometer. The left end of the twelfth resistor and the left end of the thirteenth resistor; the right end of the twelfth resistor is respectively connected to the eighth pin of the digital potentiometer, the lower end of the fifth inductor and the left end of the fourteenth resistor; the right end of the twenty-third capacitor is connected to the upper end of the fifth inductor, the upper end of the atomizer, the upper end of the twenty-sixth capacitor, the upper end of the twenty-seventh capacitor, the negative electrode of the voltage-stabilizing diode and the collector of the first transistor; the lower end of the atomizer is connected to the upper end of the twenty-fourth capacitor, and the lower end of the twenty-fourth capacitor is respectively connected to the right end of the fourteenth resistor, the left end of the fifteenth resistor and the upper end of the twenty-fifth capacitor; the right end of the thirteenth resistor is connected to the left end of the fourth inductor, and the right end of the fourth inductor is connected to the lower end of the twenty-fifth capacitor, the left end of the sixth inductor and the lower end of the twenty-seventh capacitor; the base of the first transistor is respectively connected to the right end of the fifteenth resistor and the lower end of the twenty-sixth capacitor, and the emitter of the first transistor is respectively connected to the positive electrode of the voltage-stabilizing diode and the right end of the sixth inductor; The temperature and humidity acquisition module includes: a temperature and humidity sensor chip, a sixteenth resistor, a seventeenth resistor, and a thirty-sixth capacitor; The first pin of the temperature and humidity sensor chip is respectively connected to the upper end of the sixteenth resistor and the left end of the seventeenth resistor; the second pin of the temperature and humidity sensor chip is connected to the ground terminal; the third pin of the temperature and humidity sensor chip is connected to the lower end of the sixteenth resistor; the fourth pin of the temperature and humidity sensor chip is respectively connected to the lower end of the thirty-sixth capacitor and the ground terminal, and the fifth pin of the temperature and humidity sensor chip is connected to the right end of the seventeenth resistor; the upper end of the thirty-sixth capacitor is connected to the power supply terminal.

2. The ventilator pipeline temperature and humidity monitoring and control system according to claim 1 is characterized in that: The temperature and humidity alarm module is connected to the second single-chip microcomputer chip to realize abnormal temperature and humidity alarm.

3. The ventilator pipeline temperature and humidity monitoring and control system according to claim 1 is characterized in that: The first wireless communication module and the second wireless communication module are both ZigBee wireless communication modules.

4. The ventilator pipeline temperature and humidity monitoring and control system according to claim 1 is characterized in that: The first single-chip microcomputer chip and the second single-chip microcomputer chip are both CC2530 chips.

5. The ventilator pipeline temperature and humidity monitoring and control system according to claim 1 is characterized in that: The temperature and humidity acquisition module adopts SHT52 chip.

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