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Universal communication interface of gas heating water heater

A communication interface and gas heating technology, which is applied in the field of general communication interface of gas heating water heaters, can solve problems such as limited use, limited open functions, and functional solidification, and achieve the goals of reducing access difficulty, facilitating connection, and improving versatility Effect

Active Publication Date: 2021-03-12
MACRO THERMAL ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Restricted by the third-party network platform, it can only be used on the designated network platform; and it limits the user's selection range of other linkage devices
Due to technical secrets such as communication protocols that manufacturers are unwilling to disclose to the public and network platform restrictions, the open functions are limited, the functions are solidified, and the use is limited, which cannot meet the individual needs of users and the control needs of smart homes.

Method used

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  • Universal communication interface of gas heating water heater
  • Universal communication interface of gas heating water heater

Examples

Experimental program
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Effect test

Embodiment 1

[0018] like figure 1 As shown, the present invention includes adopting a TTL UART hardware interface, powered by the main control board S1; adopting a general modbus protocol framework, RTU message type, and clearly disclosing the address point parameters, maximizing the opening of the function and function of the wall-hung boiler Data, users can freely select the required functions and data according to the agreement. In this embodiment, the peripheral circuits of the main control board are electrically connected to the sensors and actuators (such as fans, water pumps, and gas proportional valves) of the gas heating water heater. The main control board is provided with MCU1 and a power module, and the main control board MCU1 is responsible for collecting The data of each sensor and the control of each actuator; the general communication interface is set on the one-key display control board S2. Two-way communication between the two; the general communication interface is conn...

Embodiment 2

[0023] In this example, if figure 2 As shown, when an external communication device with an EIA-485 interface is required, the TTL-to-485 module S3 can be connected between the general communication interface and the communication device to complete the matching and use of the external communication device.

[0024] Compared with the prior art, the present invention uses a dual-serial-port MCU for its key-display control board, wherein one serial port is connected to a general-purpose communication interface, and is specially used for data transmission with communication equipment. At the same time as the communication protocol between them, the function of the gas heating water heater is opened, which is convenient for the gas heating water heater to connect to the smart home platform, and the smart home platform can effectively monitor the gas heating water heater.

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Abstract

The invention discloses a universal communication interface for a gas heating water heater. The universal communication interface is characterized by adopting a TTL UART hardware interface powered bya main control board; a universal modbus protocol framework and an RTU message type are adopted; public address point location parameters are defined; and a user freely selects required functions anddata according to a protocol. The universal communication interface for the gas heating water heater is specially used for data transmission with communication equipment, and the function of the gas heating water heater is opened while a communication protocol between a manufacturer main controller and a key display controller is not disclosed, so that the gas heating water heater can be conveniently connected into an intelligent household platform, and the intelligent household platform can effectively monitor the gas heating water heater.

Description

technical field [0001] The invention relates to the technical field of gas appliances, and more specifically relates to a general communication interface of a gas heating water heater. Background technique [0002] With the rise and promotion of smart homes, gas heating water heaters (hereinafter referred to as "wall-hung boilers"), as heat source products for household heating in the north, must have open communication interfaces to facilitate access to smart home platforms to achieve data transmission and communication. Connected control of other household devices. Some wall-hung boilers use the wifi module as an interface to connect to third-party network platforms such as Mijia, etc., to realize simple interconnection and control of household equipment. Restricted by the third-party network platform, it can only be used on the designated network platform; and it limits the user's selection range of other linkage devices. Due to technical secrets such as communication p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20
CPCF24H9/2035
Inventor 艾穗江赵志勇汪为彪
Owner MACRO THERMAL ENERGY TECH
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