Abstract: A modularized combined intelligent heat collector system, comprising a PTCR-xthm electric heating chip heat source main engine, a data control template, a constant-temperature and constant-pressure device and a variable-frequency pump; the variable-frequency pump and the PTCR-xthm electric heating chip heat source main engine are connected to the data control template; the outlet end of the PTCR-xthm electric heating chip heat source main engine is connected to the constant-temperature and constant-pressure device; the outlet end of the constant-temperature and constant-pressure device is connected to the PTCR-xthm electric heating chip heat source main engine through the variable-frequency pump; the PTCR-xthm electric heating chip heat source main engine directly leads out a user heating pipeline; and/or the PTCR-xthm electric heating chip heat source main engine leads out the user heating pipeline through the constant-temperature and constant-pressure device, and is connected to a heat exchanger of a user w

Abstract: A modularized combined intelligent heat collector system, comprising a PTCR-xthm electric heating chip heat source main engine, a data control template, a constant-temperature and constant-pressure device and a variable-frequency pump; the variable-frequency pump and the PTCR-xthm electric heating chip heat source main engine are connected to the data control template; the outlet end of the PTCR-xthm electric heating chip heat source main engine is connected to the constant-temperature and constant-pressure device; the outlet end of the constant-temperature and constant-pressure device is connected to the PTCR-xthm electric heating chip heat source main engine through the variable-frequency pump; the PTCR-xthm electric heating chip heat source main engine directly leads out a user heating pipeline; and/or the PTCR-xthm electric heating chip heat source main engine leads out the user heating pipeline through the constant-temperature and constant-pressure device, and is connected to a heat exchanger of a user w

Abstract: The invention provides a controllable electrothermal element of a PTC thick film circuit which includes a substrate and a serial electronic paste. The serial paste includes a medium and electrode paste. The serial paste consists of a functional phase, an inorganic adhesive phase and an organic carrier. The serial paste further includes PTC paste. The substrate is 1Cr18Ni9 series stainless steel. The serial paste in the form of a thick film prepared on the substrate.

Abstract: The present invention discloses a controllable electrothermal element of a PTC thick film circuit which comprises a substrate and a serial electronic paste, the serial electronic paste is prepared on the substrate, the said serial electronic paste comprises a medium paste and an electrode paste, the serial electronic paste is consists of three parts that are functional phase, inorganic adhesive phase and organic carrier. The said serial electronic paste further comprises PTC paste, the said substrate is 1Cr18Ni9 series stainless steel substrate, the serial electronic paste in the form of thick film is prepared on the substrate, the present invention also discloses the composition of the said medium paste, the PTC paste and the electrode paste.