KR870002488A - Computer temperature control system and method - Google Patents

Abstract

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Description

Computer temperature control system and method

Since this is an open matter, no full text was included.

1 is a block diagram of a conventional temperature control system.

2 is a block diagram of a temperature control system according to the present invention.

3 is a flow chart of a temperature control method according to the invention.

Figure 4 is an embodiment of a specific circuit diagram of the temperature detector according to the present invention.

5 (a)-(h) are waveform diagrams of respective parts of FIG.

6 is a detailed circuit diagram of an interface circuit according to the present invention.

* Explanation of symbols for main parts of the drawings

19: counter 20: logic circuit

21: data selection circuit 22: temperature frequency conversion circuit

23: counting pulse generating circuit 24: reference temperature pulse generating circuit

11: Interface Circuit 46: First Decoder

47: second decoder 31, 32: heater or cooler switching circuit

33: data output driver 34: trigger latch circuit

35: place select latch circuit 36, 37, 38: driver

Claims (4)

In the temperature control system using a computer, the power amplification is input by inputting the interface circuit 11 for receiving data and control signals with the computer and the temperature control type command signals from all the places to be temperature controlled from the interface circuit 11. The power amplifier 25 and the relay 26 to operate the relay by the amplified power and the cold and warm device 27 installed in each place where the heater or cooler is operated by the operation of the relay senses the temperature of the place The trigger generation circuit 14 and the temperature sensor 28 for converting the enable signal output from the heater or cooler control circuit 13 and the interface circuit 11 composed of a temperature sensor 28 to a trigger signal A temperature-frequency conversion circuit 22 and the temperature for inputting an analog signal of the sensed temperature and the trigger signal to convert into a pulse corresponding to the analog signal; Input the output of the frequency conversion circuit 22 and the data selection circuit 21 and the trigger signal for outputting the pulse of the place to be controlled by inputting the location selection data from the computer 18 through the interface circuit 11. The count pulse generating circuit 23, the data selection circuit 21, the reference temperature pulse generating circuit 24 and the counting pulse generating circuit 23 generating a pulse to be counted by the reference temperature pulse generating circuit 24 which generates a pulse set at a constant temperature. A logic circuit 20 for inputting the output of the counting pulse generating circuit 23 to output a pulse corresponding to the current temperature of the place to be temperature controlled, a counter 19 for counting the number of pulses, and a digital clock. And a driver circuit (29) for driving the clock (30) and the current time of the digital clock (30) to the interface circuit (11). The first and second decoders 46 and 47 of claim 1, wherein the interface circuit 11 inputs an address signal output from a computer and a read and write signal to output a signal to either output terminal. And an oragate 39-45 for inputting an output of the first and second decoders and outputting a signal to one of the commands according to the address signal, and inputting an output signal of the oragate to a predetermined data or command. And a driver or latch circuit (31-38) for inputting or outputting the heater or the cooler control circuit (13) or the digital clock unit (15) or the temperature detector (12). 2. The temperature frequency converting circuit 22 and the reference temperature pulse generating circuit 24 are constituted by a monostable multivibrator, and the counting pulse generating circuit 23 is constituted by a pulse generator for generating a predetermined counting pulse. Circuit characterized in that. In a temperature control method using a computer, a first step of finding and storing a date to be controlled by inputting and storing data of a date to be temperature controlled and a current time, and determining whether the date has changed and data of the date to be controlled. Find and convert the current temperature according to the number of pulses, and find the data of the range of time to which the current time of the first step and the second step of preparing to compare and compare the first place data, and convert in the second step Determine whether the stored temperature is within a predetermined temperature range of the data, and determine whether the heater or cooler is turned on or off, and determine whether the heater or cooler is turned on or off until the data of all the places is read. After reading the data of step 3 and all places, the heater or cooler may be removed according to the on / off status of the heater or cooler determined in step 3. And outputting a predetermined result to the CRT display, the method characterized by made of an a fourth step of repeating the steps of the still. ※ Note: The disclosure is based on the initial application.