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Temperature control system and temperature control method

A technology of temperature control system and main control system, which is applied in the direction of control/regulation system, temperature control, non-electric variable control, etc. It can solve problems such as burning circuit boards, overheating of the body, and failure to cut off power in time to achieve energy saving, The effect of guaranteeing the service life and preventing damage

Active Publication Date: 2015-01-21
NEWLINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the overheating of the body cannot cut off the power in time, and the circuit board is burned out. In view of the deficiencies in the prior art, the present invention provides a temperature control system and a temperature control method

Method used

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  • Temperature control system and temperature control method

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Experimental program
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Embodiment approach 1

[0031] Implementation Mode 1: Refer to figure 1 , 2 3. A temperature control system, including a main control system, a temperature sensing circuit for detecting the temperature of the circuit board in the body, and a temperature control circuit for making temperature control instructions. The main control system controls the temperature sensing circuit and the temperature control circuit. The control circuit includes a power-off switch circuit for emergency power-off protection; the power-off switch circuit includes a double switch circuit of a drive circuit switch and an execution command switch, and the drive circuit switch controls the execution command switch. The drive circuit switch includes the J4 pin 6, Q6 and Q5 two-stage amplifiers that accept the power-off command and the switch REL2 that turns on / off the drive circuit, and the collector of the Q5 amplifier is connected to the 3 pins of the switch REL2; The command switch includes the Q4 amplifier and the switch R...

Embodiment approach 2

[0033] Implementation mode two: refer to figure 2 , 3 4. On the basis of Embodiment 1, the main control system is also connected with a display screen.

[0034]When working, the temperature control method of the above temperature control system is as follows: the temperature sensor IC1 detects the temperature in the circuit board of the infrared touch all-in-one machine, outputs an electrical signal, and sends the signal to be amplified by the amplifier IC5, and then passed to the connector J5, using a wire The connection method sends the signal to the Android system. The Android system is equipped with power-off protection to control the temperature at 80°C (the temperature at which components are easily damaged). When the temperature read by the Android system reaches 80°C, the Android system will display a prompt character "The temperature inside the machine is too high and the power will be cut off soon" through the LED LCD screen. , please check the heat exhaust blocka...

Embodiment approach 3

[0035] Implementation Mode Three: Refer to figure 2 , 3 , 5, 6, on the basis of the second embodiment, the only difference is that the temperature control circuit also includes a cooling drive circuit. The cooling drive circuit includes a connector J4 pin 3 that accepts instructions, a J8 connector connected to the fan, and a transistor Q1 that controls the fan switch. The connector J4 pin 3 is connected to the base of the transistor Q1, and the J8 connector pin 2 is connected with the collector of transistor Q1. The base of the triode Q1 is connected in series with a voltage dividing resistor R1, and the base of the triode Q1 is also connected in parallel with two shunt resistors R2 and R3.

[0036] When working, the temperature control method of the above temperature control system: the temperature sensor IC1 detects the temperature in the circuit board of the infrared touch all-in-one machine, outputs an electrical signal, and sends the signal to be amplified by the ampl...

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Abstract

The invention relates to the technical field of a large-screen touch all-in-one machine, and particularly relates to a temperature control system and a temperature control method. The temperature control system comprises a master control system, a temperature sensing circuit which detects temperature of the circuit board in the machine body, and a temperature control circuit which issues a temperature control instruction. The master control system controls the temperature sensing circuit and the temperature control circuit. The temperature control circuit comprises a power-off switch circuit for emergency power-off protection. The power-off switch circuit is a double-switch circuit comprising a drive circuit switch and an execution command switch. The drive circuit switch controls the execution command switch. Temperature of the circuit board can be monitored in real time so that the service life of the circuit board is guaranteed, damage to electronic parts and components can be prevented, fire hazard caused by over-temperature of the circuit board can be avoided, the execution command switch supplies power only when power is needed, and thus energy is saved.

Description

technical field [0001] The invention relates to the technical field of touch-and-mold integrated machines, in particular to a temperature control system and a temperature control method for infrared touch-integrated machines. Background technique [0002] At present, users install the touch all-in-one machine in a relatively closed place or hang it on the wall. The distance between them is small, and the circuit generates heat during operation. However, the touch all-in-one machine has no facilities to control the temperature of the circuit board, and the temperature inside the machine is too high after long-term operation. , It is easy to cause damage to the device, affect the life of the component, burn and cause a fire and other factors. Forcibly using the fan for exhaust without monitoring, there will be noise, loss of ineffective power, and it is not possible to judge the heat dissipation. Some touch all-in-one machines are also equipped with a temperature self-control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20G06F1/20
CPCY02D10/00
Inventor 林瑞成黄敬宁
Owner NEWLINE CO LTD
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