Air conditioner monitoring control system

Abstract

The utility model provides an air conditioner monitoring and control system, and relates to the field of air conditioner intelligent monitoring and control, and the system comprises a power measurement module, a temperature measurement module, an Ethernet to serial port module, an ESP32 main control chip, an infrared and air conditioner communication module, and an air conditioner module. The power measurement module is used for monitoring voltage information and current information and transmitting the voltage information and the current information to the ESP32 main control chip; the temperature measurement module is used for monitoring temperature information and transmitting the temperature information to the ESP32 main control chip; the Ethernet to serial port module is used for realizing conversion between serial port data and Ethernet data and sending the converted data to the ESP32 main control chip; the ESP32 main control chip is used for receiving and processing monitored voltage information, current information and temperature information and outputting a control instruction to the infrared and air conditioner communication module; and the infrared and air conditioner communication module is used for sending the control instruction to the air conditioner module to adjust each air conditioner. The remote monitoring control function of air conditioners of various models is achieved.

Description

Technical Field

[0001] The present application relates to the field of intelligent monitoring and control of air conditioners, and in particular to an air conditioner monitoring and control system. Background Art

[0002] Traditional classroom air conditioners do not have intelligent control systems and cannot be accurately adjusted according to actual needs, resulting in energy waste and inability to perform remote monitoring and fault diagnosis, which increases the difficulty and cost of maintenance and management. Utility Model Content

[0003] The purpose of this application is to provide an air conditioning monitoring and control system in order to solve the problem that traditional classroom air conditioners are difficult to remotely monitor and accurately adjust due to the lack of intelligent control systems.

[0004] The above-mentioned purpose of the present application is achieved through the following technical solutions:

[0005] The system includes: power measurement module, temperature measurement module, Ethernet to serial port module, ESP32 main control chip, infrared and air conditioning communication module, and air conditioning module;

[0006] The power measurement module is wirelessly connected to the Ethernet to serial port module; the temperature measurement module is wirelessly connected to the Ethernet to serial port module; the Ethernet to serial port module is electrically connected to the ESP32 main control chip; the infrared and air conditioning communication module is electrically connected to the ESP32 main control chip; the infrared and air conditioning communication module is wirelessly connected to the air conditioning module;

[0007] The power measurement module is used to monitor voltage information and current information and transmit them to the ESP32 main control chip;

[0008] The temperature measurement module is used to monitor temperature information and transmit it to the ESP32 main control chip;

[0009] The Ethernet to serial port module is used to realize the conversion between serial port data and Ethernet data, and send the converted data to the ESP32 main control chip;

[0010] The ESP32 main control chip is used to receive the monitored voltage information, current information, and temperature information for processing, and output control instructions to the infrared and air conditioning communication modules;

[0011] The infrared and air conditioning communication module is used to send control instructions to the air conditioning module to adjust each air conditioner.

[0012] Optionally, the power measurement module includes: a CS5463 power meter chip U2, a current transformer, a voltage transformer, and a resistor-capacitor filter circuit;

[0013] The current transformer is electrically connected to a resistor and capacitor filter circuit, and the voltage transformer is electrically connected to a resistor and capacitor filter circuit; the resistor and capacitor filter circuit is connected to a CS5463 electricity meter chip U2.

[0014] Optionally, the infrared and air-conditioning communication module includes: an RS485 air-conditioning communication sub-module and an infrared transmitting and receiving sub-module.

[0015] Optionally, the RS485 air conditioning communication submodule includes: an RS485 interface and an isolation circuit; the RS485 interface is electrically connected to the isolation circuit.

[0016] Optionally, the model of the isolated power supply in the isolation circuit is DC0505.

[0017] Optionally, the infrared transmitting and receiving submodule includes: 2 external infrared transmitting head interfaces CN1 and an infrared receiving head LED1.

[0018] Optionally, the temperature measurement module includes: an external temperature sensor interface P9, an external temperature sensor interface P10, and an external temperature sensor interface P11.

[0019] The beneficial effects of the technical solution provided by this application are as follows: the infrared and air conditioning communication modules are designed to control air conditioners that do not have serial communication, thereby improving the versatility of the system. The power measurement module, temperature measurement module, and Ethernet to serial port module are designed to realize the function of remotely monitoring each air conditioner, thereby improving the practicality of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present application will be further described below with reference to the accompanying drawings and embodiments, in which:

[0021] Figure 1 is a system structure diagram of the air conditioning monitoring and control system in the embodiment of the present application;

[0022] Figure 2 This is an Ethernet to serial port module diagram of the air conditioning monitoring and control system in the embodiment of the present application;

[0023] Figure 3 It is a power measurement module diagram of the air conditioning monitoring and control system in the embodiment of the present application;

[0024] Figure 4 It is a diagram of infrared transmitting and receiving submodules of the air conditioning monitoring and control system in the embodiment of the present application;

[0025] Figure 5 It is a temperature measurement module diagram of the air conditioning monitoring and control system in the embodiment of the present application. DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present application, the specific implementation methods of the present application are now described in detail with reference to the accompanying drawings.

[0027] An embodiment of the present application provides an air conditioning monitoring and control system.

[0028] Please refer to Figure 1 , Figure 1 It is a structural diagram of an air conditioning monitoring and control system in an embodiment of the present application, the system includes: a power measurement module, a temperature measurement module, an Ethernet to serial port module, an ESP32 main control chip, an infrared and air conditioning communication module, and an air conditioning module;

[0029] The power measurement module is wirelessly connected to the Ethernet to serial port module; the temperature measurement module is wirelessly connected to the Ethernet to serial port module; the Ethernet to serial port module is electrically connected to the ESP32 main control chip; the infrared and air conditioning communication module is electrically connected to the ESP32 main control chip; the infrared and air conditioning communication module is wirelessly connected to the air conditioning module;

[0030] The power measurement module is used to monitor voltage and current information and transmit them to the ESP32 main control chip;

[0031] The temperature measurement module is used to monitor temperature information and transmit it to the ESP32 main control chip;

[0032] The Ethernet to serial port module is used to convert serial port data to Ethernet data and send the converted data to the ESP32 main control chip;

[0033] The ESP32 main control chip is used to receive the monitored voltage information, current information, and temperature information for processing, and output control instructions to the infrared and air conditioning communication modules;

[0034] The infrared and air conditioning communication module is used to send control instructions to the air conditioning module to adjust each air conditioner.

[0035] Specifically, Figure 2 As shown in the figure, the Ethernet to Serial port module is a serial port server module that realizes the conversion between serial port data and Ethernet data; it has multiple Modbus gateway modes and MQTTC / HTTPC IoT gateway modes, which can meet the networking functions of various serial port devices / PLCs. The module has its own USB to TTL circuit, which does not require an external converter, and leads to external buttons for reset and restart pins for easy operation, and also connects an external LED to the operating status indicator pin for users to observe the status. In this design, the server sends data to the Ethernet to Serial port module via Ethernet, and the Ethernet to Serial port module parses the data and sends it to the ESP32 main control chip, and controls the status of the air conditioner through ESP32.

[0036] like Figure 3As shown, the power measurement module includes: CS5463 power meter chip U2, current transformer, voltage transformer, resistor and capacitor filter circuit;

[0037] The current transformer is electrically connected to the resistor and capacitor filter circuit, and the voltage transformer is electrically connected to the resistor and capacitor filter circuit; the resistor and capacitor filter circuit is connected to the CS5463 electricity meter chip U2.

[0038] Specifically, the CS5463 power meter chip of the power measurement module integrates two ΔΣ analog-to-digital converters, a power calculation engine, an energy converter and a serial interface into the power meter chip, which can accurately measure power. In this design, current transformers and voltage transformers are selected; the signals of the current and voltage transformers are filtered by resistors and capacitors and then transmitted to the CS5463 power meter chip; after the data is processed, the voltage, current, power, etc. are transmitted to the ESP32 main control chip through the SPI interface.

[0039] like Figure 4 As shown, the infrared and air conditioning communication module includes: an RS485 air conditioning communication submodule and an infrared transmitting and receiving submodule.

[0040] The RS485 air conditioner communication submodule includes: an RS485 interface and an isolation circuit; the RS485 interface is electrically connected to the isolation circuit.

[0041] Specifically, the ESP32 main control chip controls the status of the air conditioner and obtains the air conditioner data through the RS485 interface.

[0042] The infrared transmitting and receiving submodule includes: 2-way external infrared transmitting head interface CN1 and infrared receiving head LED1.

[0043] Specifically, the infrared receiving head is used to receive external infrared signals. The ESP32 main control chip controls the status of each air conditioner through infrared, which is suitable for some air conditioners without 485 interface.

[0044] like Figure 5 As shown, the temperature measurement module includes: an external temperature sensor interface P9, an external temperature sensor interface P10, and an external temperature sensor interface P11.

[0045] Specifically, the main control chip obtains the ambient temperature from the temperature sensor and dynamically adjusts the temperature of the air conditioner according to the ambient temperature.

[0046] The model of the isolated power supply in the isolation circuit is DC0505.

[0047] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0048] The above are only exemplary embodiments of the present disclosure and cannot be used to limit the scope of the present disclosure. That is, any equivalent changes and modifications made according to the teachings of the present disclosure are still within the scope of the present disclosure. After considering the disclosure of the specification and the truth of practice, those skilled in the art will easily think of other embodiments of the present disclosure.

[0049] This application is intended to cover any variation, use or adaptation of the present disclosure, which follows the general principles of the present disclosure and includes common knowledge or customary technical means in the art not described in the present disclosure. The description and examples are to be regarded as exemplary only, and the scope and spirit of the present disclosure are defined by the claims.

Claims

1. An air conditioning monitoring and control system, characterized in that: The system includes: a power measurement module, a temperature measurement module, an Ethernet to serial port module, an ESP32 main control chip, an infrared and air conditioning communication module, and an air conditioning module; The power measurement module is wirelessly connected to the Ethernet to serial port module; the temperature measurement module is wirelessly connected to the Ethernet to serial port module; the Ethernet to serial port module is electrically connected to the ESP32 main control chip; the infrared and air conditioning communication module is electrically connected to the ESP32 main control chip; the infrared and air conditioning communication module is wirelessly connected to the air conditioning module; The power measurement module is used to monitor voltage information and current information and transmit them to the ESP32 main control chip; The temperature measurement module is used to monitor temperature information and transmit it to the ESP32 main control chip; The Ethernet to serial port module is used to realize the conversion between serial port data and Ethernet data, and send the converted data to the ESP32 main control chip; The ESP32 main control chip is used to receive the monitored voltage information, current information, and temperature information for processing, and output control instructions to the infrared and air conditioning communication modules; The infrared and air conditioning communication module is used to send control instructions to the air conditioning module to adjust each air conditioner.

2. An air conditioning monitoring and control system as claimed in claim 1, characterized in that: The power measurement module includes: a CS5463 power meter chip U2, a current transformer, a voltage transformer, and a resistor-capacitor filter circuit; The current transformer is electrically connected to a resistor and capacitor filter circuit, and the voltage transformer is electrically connected to a resistor and capacitor filter circuit; the resistor and capacitor filter circuit is connected to a CS5463 electricity meter chip U2.

3. An air conditioning monitoring and control system as claimed in claim 1, characterized in that: The infrared and air conditioning communication module includes: an RS485 air conditioning communication submodule and an infrared transmitting and receiving submodule.

4. An air conditioning monitoring and control system as claimed in claim 3, characterized in that: The RS485 air conditioner communication submodule comprises: an RS485 interface and an isolation circuit; the RS485 interface is electrically connected to the isolation circuit.

5. An air conditioning monitoring and control system as claimed in claim 4, characterized in that: The model of the isolated power supply in the isolation circuit is DC0505.

6. An air conditioning monitoring and control system as claimed in claim 3, characterized in that: The infrared transmitting and receiving submodule includes: 2-way external infrared transmitting head interface CN1 and infrared receiving head LED1.

7. An air conditioning monitoring and control system as claimed in claim 1, characterized in that: The temperature measurement module includes: an external temperature sensor interface P9, an external temperature sensor interface P10, and an external temperature sensor interface P11.

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