MEASUREMENT PATH OF A TEMPERATURE CONTROLLER FOR A THERMOELECTRIC MODULE

摘要

The device provides the possibility of feeding test signals to a thermoelectric module by virtue of the use of controllable switches and also makes it possible to increase test criteria and to detect faults and the causes of said faults at early stages outside of the use process of the thermoelectric module (TEM), as well as in periods between use. This technical result is achieved in that the device comprises a DC source, a measurement circuit, a first, a second, a third and a fourth controllable switch, which are used for feeding test signals and are switched on and off by a temperature controller. The first and the second controllable switches are used for connection to the DC source, and the third and fourth switches are grounded with the possibility of switching from the third controllable switch over to the first controllable switch and from the fourth controllable switch over to the second controllable switch. One of the conductors of the measurement circuit is connected between the first and the third controllable switches, and a second of the conductors is connected between the second and the fourth controllable switches. The conductors of the measurement circuit are intended for connection to the thermoelectric module and for transmitting measurement data to the temperature controller

主权项

1. A measurement path of a temperature controller for a thermoelectric module, comprising: a DC source, a measuring circuit made of two wires, the first, second, third, fourth controllable switches being switched ON/OFF by a temperature controller, the first and second controllable switches being intended for connection to the DC source intended for feeding a test signal, and the third and fourth switches being made grounded and serving for feeding a test signal with the possibility of connecting the third controllable switch to the first controllable switch, and the fourth controllable switch to the second controllable switch; one of the measuring circuit wires is connected between the first and the third controllable switches, and the other wire is connected between the second and the fourth controllable switches, the measuring circuit wires being intended for connection to a thermoelectric module and transmission of measurements to a temperature controller.