Heating heat-source apparatus and control method thereof
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Solution Overview
Problem
Existing heating heat-source apparatuses lack a mechanism to detect and report abnormalities in heating demand information input to specific input circuits, leading to unrecognized operational issues.
Innovation Solution
Incorporating a control part and reporting part within the heating heat-source apparatus to detect and report abnormalities by converting and analyzing voltage information from input circuits, determining if the voltage values deviate from specified ranges, and alerting users to incorrect settings or missing input data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a plurality of input circuits are provided to receive heating demand information, then the adaptability and versatility of the apparatus are improved, but the reliability deteriorates due to inability to detect abnormalities in input circuit settings
Solution Approach 1:
The control part continuously monitors the voltage output from the selected input circuit and compares it against expected voltage ranges. When an abnormality is detected (such as voltage outside the predetermined range or no heating demand information received), the system provides feedback by displaying an abnormality notification on the display device, enabling users to recognize and correct the issue.
Solution Approach 2:
The control part acts as an intermediary between the input circuits and the display device. It receives voltage information from multiple input circuits, processes this information to determine which circuit is selected and whether it is functioning properly, and communicates the status to users through the display device, thereby mediating the complexity of multiple input circuits.
2Device complexity
If one input circuit is set to use state by builder, then the device complexity is reduced, but the ease of operation deteriorates due to lack of user awareness about abnormal settings
Solution Approach 1:
The system maintains simple configuration by having only one input circuit selected at a time, but adds feedback functionality where the control part monitors whether the selected input circuit is receiving proper heating demand information. When an abnormality is detected, the display device notifies the user, making the system easy to operate by automatically alerting users to configuration issues without requiring them to understand complex circuit settings.
3Measurement precision
If voltage information is output from input circuit, then the measurement precision is improved, but the difficulty of detecting and measuring increases due to need to verify voltage range compliance
Solution Approach 1:
The control part performs preliminary verification by comparing the voltage output from the input circuit against predetermined voltage ranges before using the heating demand information. This preliminary action ensures that only valid voltage information within the expected range is processed, automatically detecting abnormalities without requiring users to perform complex measurements or verifications.
Data Source
AI summary
In a heating heat-source apparatus having input circuits configured to receive pieces of mutually independent heating demand information, an abnormality related to an operation for setting one input circuit among the input circuits to a use state is detected and reported. Input circuits receive heating demand information. An operation part receives an operation for setting one input circuit of the input circuits to a use state. A CPU receives heating demand information transmitted from the input circuit in the use state while receiving specified information for specifying the input circuit in the use state from the operation part. Each piece of heating demand information is voltage information having a predetermined voltage range. The CPU reports an abnormality related to an operation for setting when voltage information transmitted from the input circuit in the use state deviate from a voltage range specified in the specified information.