Control device for combustion apparatus and method for controlling the same

• US 5,205,486 A
• Filed: 01/10/1992
• Issued: 04/27/1993
• Est. Priority Date: 01/31/1991
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jung, Jae-Hwan
• Primary Examiner(s): Wayner, William E.
• Application Number:
  US07/818,905
• Time in Patent Office: 473 Days
• Field of Search: 374/183, 364/557, 395/61, 395/900, 236/94, 431/14
• US Class Current: 236/94
• CPC Class Codes: F23N 2223/08 Microprocessor; Microcomputer
• CPC Class Codes: F23N 2223/52 Fuzzy logic
• CPC Class Codes: F23N 2225/12 room temperature
• CPC Class Codes: F23N 5/022 using electronic means F23N5/04 - F23N5/14 take precedence
• CPC Class Codes: G05D 23/24 the sensing element having a resistance varying with temperature, e.g. a thermistor
• CPC Class Codes: Y10S 706/90 Fuzzy logic

Abstract

A control device for a combustion apparatus, which can detect failure of components and a method for controlling the combustion apparatus are disclosed. More particularly to a control device and a method for a combustion apparatus utilizing fuzzy logic reasoning in order to maintain accurate temperature control are disclosed.

Claims

1. A method for controlling an apparatus, said method comprising the steps of:

inputting a predetermined temperature value into a microprocessor;

detecting a voltage value of a power supply;

determining a variation in voltage from said power supply by comparing the detected voltage from said power supply with a reference voltage value stored in said microprocessor;

detecting a temperature variation;

determining a fuzzy correlation by comparing a variation in room temperature stored in said microprocessor with the detected temperature variation over a predetermined time period; and

displaying an operating state, which corresponds to said variation in voltage or said fuzzy correlation, of the apparatus on a display.

2. The method of claim 1, wherein said apparatus is a combustion apparatus and wherein the variation in temperature stored in said microprocessor is the variation of temperature per unit time at each controlling step of said combustion apparatus.

3. The method of claim 2, wherein said each controlling step can be divided into a plurality of steps from the lowest combustion state to the highest combustion state.

4. A control device for a combustion apparatus, said device comprising:

memory means for storing reference temperature data and a reference voltage;

means for measuring temperature;

means for measuring a voltage supplied to said combustion apparatus; and

means for controlling combustion based on the measured temperature and the reference temperature data and based on the detected voltage and a reference voltage stored in said memory means.

5. The control device according to claim 4 further including means for displaying the measured temperature and the reference temperature data.

6. A method for controlling a combustion apparatus, said method comprising the steps of:

storing reference temperature data and a reference voltage;

measuring temperature;

detecting a voltage corresponding to a power supplied to said combustion apparatus; and

controlling combustion based on the measured temperature and the reference temperature data and based on the detected voltage and a reference voltage stored in said processing means.