Temperature control apparatus applied to heater

A temperature control device and heater technology, applied in electric heating devices, electrical components, etc., can solve the problems of uncontrollable heating temperature of stainless steel electric heating tubes, inability to adjust power, explosion, fire, etc., to improve intelligence and operability , improve security, improve the effect of accuracy

Inactive Publication Date: 2015-11-18
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AI-Extracted Technical Summary

Problems solved by technology

As one of the important equipment in daily life, stainless steel electric heating tubes are traditionally used. Its structure is to put electric heating wires in the metal tubes, and the gaps are tightly filled with thermally conductive and insulating magnesium oxide powder. Its advantages The stainless steel electric heating tube is a purely resistive load, and the power is easy to determine...
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The invention relates to a temperature control apparatus applied to a heater. The temperature control apparatus comprises a temperature sensor, a single-chip microcomputer, a liquid crystal display module, a power supply module, a Bluetooth communication module, a primary protector and a secondary protector. The primary protector comprises a temperature controller and a normally closed contact. The secondary protector comprises a fuse. The primary protector and the secondary protector are serially connected with the power supply module. By making full use of the single-chip microcomputer for intelligent control and the Bluetooth for communication with mobile terminals, the temperature control apparatus can have the intelligent performance and the maneuverability obviously improved. The unique dual protection design including both the temperature controller and the fuse further improves the safety of the heater. The adopted temperature sensor with high sensitivity further makes the temperature acquisition accuracy improved. The apparatus which is convenient and intelligentized has high stability.

Application Domain

Electric heating

Technology Topic

Liquid-crystal displayEngineering +7


  • Temperature control apparatus applied to heater


  • Experimental program(1)

Example Embodiment

[0018] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.
[0019] In one embodiment, such as figure 1 As shown, a temperature control device applied to a heater includes a temperature sensor, a single-chip computer, a liquid crystal display module, a power supply module, a Bluetooth communication module, a primary protection device, and a secondary protection device. The first protection device includes a temperature control The second protection device includes a fuse, the first protection device and the second protection device are connected in series with the power supply module,
[0020] The single-chip microcomputer module coordinates the cooperative work of various components of the temperature control device, the power supply device is used to supply power to the temperature control device, and the Bluetooth communication module is used to communicate between the temperature control device and the mobile terminal held by the user , The liquid crystal display module is used to display the temperature of the heater,
[0021] The temperature sensor is arranged inside the heater and is used to collect the temperature of the heater. It includes 6 components, which are a MEMS thermopile sensor, a 16-bit ADC, an operational amplifier, and an ambient temperature sensor. The signal output by the thermopile sensor and The signal output by the ambient temperature sensor is sent to the ADC after passing through the operational amplifier. The temperature sensor calculates the heater temperature according to the ambient temperature sensor and the MEMS thermopile sensor, and transmits the temperature to the single-chip microcomputer. Control the primary protection device and the secondary protection device according to the temperature,
[0022] When the temperature exceeds the first preset temperature, the thermostat controls the normally closed contact to bounce off, cuts off the circuit where the power source is located, and the heater stops working. When the temperature is lower than the second preset temperature, The thermostat controls the normally closed contact to reset, and the circuit where the power source is located is turned on. When the temperature exceeds a third preset temperature, the fuse is blown to cut off the circuit where the power source is located.
[0023] Preferably, the first preset temperature and the second preset temperature are set in a single chip microcomputer.
[0024] Preferably, the first preset temperature is 90°C by default.
[0025] Preferably, the second preset temperature is 40°C by default.
[0026] Preferably, the third preset temperature is 100°C.
[0027] Preferably, the power supply module provides two voltages, 3.5V for supplying power to the single-chip microcomputer, temperature sensor and Bluetooth communication module, and 5.5V for supplying power to the liquid crystal display module.
[0028] Preferably, the input voltage of the power supply module is 10V.
[0029] The above-disclosed are only the preferred embodiments of the present invention, which of course cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.


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Description & Claims & Application Information

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