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Household heating water heater running cloud monitoring method and system thereof

A heating and hot water, cloud monitoring technology, applied in heating systems, signal transmission systems, heating methods, etc., can solve the problem of not being able to know the operation and safety of heating and water heaters in time, excessive CO, and user familiarity with product performance. lower problem

Inactive Publication Date: 2019-07-30
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual operation, the manufacturer cannot obtain the actual operating conditions and parameter data of the heating water heater to further improve the product, and the user cannot timely know the operation and safety problems of the heating water heater
If the energy efficiency of the heating water heater is abnormal during operation, there may be problems such as high water temperature, blockage of the heat exchanger, and excessive CO. However, users are not familiar with product performance and cannot judge the initial performance of the heating water heater in time. Abnormal conditions that cause serious consequences such as CO poisoning

Method used

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  • Household heating water heater running cloud monitoring method and system thereof
  • Household heating water heater running cloud monitoring method and system thereof
  • Household heating water heater running cloud monitoring method and system thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Calculation and Analysis of Heat Load and Thermal Efficiency of Embodiment 1

[0025] ① The measured converted heat load is calculated according to the following formula:

[0026]

[0027] In the formula Φ——15℃, atmospheric pressure 101.3kPa, and the actual measured converted heat load under the gas dry state, kW;

[0028] Q l ——15℃, atmospheric pressure 101.3kPa reference gas low calorific value, MJ / Nm 3 ;

[0029] V——measured gas flow meter flow rate, m 3 / h;

[0030] P a — Atmospheric pressure during the test, in kPa;

[0031] P m ——The measured pressure of the gas passing through the gas flowmeter, in kPa;

[0032] P g ——The measured gas pressure in front of the water heater, kPa;

[0033] t g ——the temperature of the gas passing through the gas flowmeter at the time of measurement, °C;

[0034] d - the relative density of the dry test gas;

[0035] d r ——The relative density of the reference gas.

[0036] ②The thermal efficiency is calculated accord...

Embodiment 2

[0045] Example 2 Calculation of flue gas CO content and excess air coefficient α

[0046] ① The carbon monoxide content in the flue gas is calculated according to the following formula:

[0047]

[0048] where CO α＝1 ——When the excess air coefficient is equal to 1, the carbon monoxide content in the dry flue gas, %;

[0049] CO' - carbon monoxide content in the flue gas sample, %;

[0050] CO" - carbon monoxide content in the indoor air, %;

[0051] o 2 ’——Oxygen content in the flue gas sample, %.

[0052] ②Excess air coefficient α is calculated according to the following formula:

[0053]

[0054] In the formula, α——excess air coefficient;

[0055] - Oxygen content in flue gas.

Embodiment 3

[0056] Embodiment 3 flame recognition

[0057] Based on Tenforflow and Faster-rcnn algorithm, the flame image obtained from real-time monitoring is recognized. Under the Windows system, build the program environment required for flame recognition: based on Python and Anaconda, based on the functions and databases provided by Tensorflow and the general algorithms for image processing and computer vision provided by opencv, to realize the programming of deep learning algorithms, and here On the basis, the Faster-rcnn algorithm is used to train, test and verify the flame images in the VOC data set (including training set and test set).

[0058] Flame recognition training method: For all models of heating water heaters integrated in the cloud server, 7 groups of videos were taken under different flame sizes, different distances, and different angles; each group of videos was decomposed to obtain 7000 single-frame pictures; all single-frame Screen the pictures, remove the pictures...

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Abstract

The invention relates to a household heating water heater running cloud monitoring method and system thereof. The system comprises a household fuel gas heating water heater, a data acquiring and transmission module, a cloud server and an information feedback and pre-warning module. The system is characterized in that temperature, flow rate, flame pictures and other data information acquired by thedata acquiring and transmission module of a terminal household heating water heater are transmitted to the cloud server controlled by a production factory through WIFI or GPRS network; the data information from the terminal can be collected, calculated and determined; the obtained problem information is fed back to the information feedback and pre-warning module of the terminal household heatingwater heater of a user; and the obtained problems are subjected to pre-warning. According to the system, the household heating water heater can be monitored and data are transmitted in real time through the WIFI or the GPRS network; the running data are handled through the cloud server in order to determine whether the actual running state of the heating water heater is normal; and meanwhile, theuser can be timely correspondingly pre-warned in case of problem, so that the safety of the user in use can be ensured to the maximum.

Description

technical field [0001] The invention relates to a cloud monitoring method and system for the operation of household-type heating and water heaters, and belongs to the technical field of intelligent control. Background technique [0002] As a heating (water) device with natural gas as the heat source, the household heating water heater can not only provide large-flow constant-temperature sanitary hot water for family bathing, kitchen and other places, but also has the function of central heating in the family. Realize personalized temperature adjustment and achieve the purpose of energy saving. And with the improvement of users' requirements for indoor comfort and the increase of individual needs for indoor environment, the usage of individual heating water heaters is increasing day by day. Especially after the "coal to gas" policy was advocated, it has gradually become a development trend to use natural gas as a heat source to produce heating and hot water. [0003] Howeve...

Claims

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Application Information

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IPC IPC(8): F24D19/10F24H9/20G08C17/02G08B19/00G08B21/18
CPCF24D19/1006F24D2200/04F24H9/2035G08B19/00G08B21/18G08C17/02
Inventor 黄小美孙梦晓吕山李杜肖隆明
Owner CHONGQING UNIV
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