Electric heating control system
A heating control and control system technology, applied in electric heating devices, electrical components, etc., can solve problems such as potential safety hazards, and achieve the effect of reducing quantity, improving safety, and low voltage
Pending Publication Date: 2018-09-18
WUXI WANLI IND DEV
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Problems solved by technology
In the heating process, in order to avoid the temperature of the medium in the container from being too high, a thermostat is usually installed in the heating circuit. However, in actual use, if the thermostat fails, the electric heating device will continue to heat, which is prone to safety hazards. Hidden danger
Method used
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0023] Please refer to figure 1 , which shows a structural block diagram of an electric heating control system provided by an embodiment of the present invention. Such as figure 1 As shown, the electric heating control system includes a heating circuit 110, a heating control detection device 120 and a temperature controller.
[0024] The thermostat includes a first thermostat 140 , a second thermostat 150 and a self-fusing thermostat 130 .
[0025] The heating circuit 110 includes a heating relay and an electric heating device for heating the medium stored in the container.
[0026] The heating circuit 110 is connected with a heating control detection device 120 .
[0027] The heating control detection device is used to control and...
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The invention discloses an electric heating control system and belongs to the field of electric heating control. The system comprises a heating loop, a heating control detection device and temperaturecontrollers. The heating loop comprises a heating relay and an electric heating device. The heating loop is connected with the heating control device. One end of a contact point of the heating relayis connected with the heating control detection device. The heating control detection device is connected with the electric heating device. The other end of the contact point of the heating relay is connected with a power supply through a self-fluxing temperature controller. A low-liquid level switch and the coil of the heating relay are connected with the heating control detection device througha first temperature controller and a second temperature controller. The temperature setting value of the second temperature controller is bigger than the temperature setting value of the first temperature controller. The temperature setting value of the self-fluxing temperature controller is bigger than the temperature setting value of the second temperature controller. According to the invention,a problem that safety accidents easily occur since the electric heating device cannot be stopped after the temperature controllers in the electric heating circuit are damaged is solved and effects ofimproving reliability and safety of the electric heating control circuit are achieved.
Description
technical field [0001] The embodiments of the present invention relate to the field of electric heating control, in particular to an electric heating control system. Background technique [0002] Because some media are susceptible to state changes due to temperature changes in the storage environment, for example, when the temperature of the storage environment decreases, the volume of the medium inside the container becomes larger due to freezing and ice, and the temperature of the storage environment increases, and the volume of the medium inside the container melts when heated Smaller, the container of the storage medium is damaged under the change of thermal expansion and contraction of the medium. [0003] In order to avoid damage to the container, an electric heating device is generally installed inside or outside the container to heat the medium stored in the container to achieve the effect of heat preservation. In the heating process, in order to avoid the temperatu...
Claims
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Login to View More IPC IPC(8): H05B1/02
CPCH05B1/0205H05B1/0288
Inventor 谈国良郑宗泽
Owner WUXI WANLI IND DEV