Q1: What is a temperature controller?
A1: A thermostat is a series of automatic control elements that generate certain special effects by physical deformation inside the switch according to the temperature change of the working environment, resulting in an on or off action, also called temperature control switch, temperature protector, temperature controller, or thermostat for short. Or through the temperature protector will be temperature to the temperature controller, temperature the controller issues a switch command, so as to control the operation of the equipment to achieve the desired temperature and energy-saving effect.
Q2: What is the working principle of a temperature controller?
A2: Its working principle is to automatically sample and instantly monitor the ambient temperature through the temperature sensor, and the control circuit starts when the ambient temperature is higher than the control setpoint, and the control return difference can be set. If the temperature is still rising, the over-limit alarm function is activated when it rises to the set over-limit alarm temperature point. When the controlled temperature can not
be effectively controlled, in order to prevent the destruction of the equipment can also stop the equipment to continue to run through the function of tripping. It is mainly used in various high and low-voltage switchgear, dry-type transformers, box-type substations, and other related temperature fields used in the electric power sector.
Q3: What is the temperature controller used for?
A3: Digital electronic temperature controller is a precision temperature detection controller, that can be digital quantitative control of temperature, temperature controller is generally used NTC thermal sensor or thermocouple as the temperature detection element.
Tips: What is the soft start effect of the hot runner temperature controller?
The temperature rise of the hot runner temperature controller must conform to the law of heat conduction and heat distribution, requiring a good temperature rise curve. It is not that the faster the temperature rise, the better the temperature control. Too fast a temperature rise not only can not improve productivity but will cause damage to the hot runner and related components.
If the hot runner is not used for the first time, there will be residue inside. If the temperature rises quickly, the residual plastic will be heated first. And the heating will be very uneven throughout the runner, which will result in the residual plastic in the runner near the heating ring being scorched, while the injected plastic away from the heating ring will not be melted. Therefore, soft start is a necessary preheating process that can avoid product failure, plastic hardening or even carbonization and sticking in the inner wall of the hot runner, and long-term blockage of the hot runner which reduces the service life.
