Piezoelectric quartz crystal resonator

Abstract

The present invention provides a piezoelectric quartz crystal resonator. The piezoelectric quartz crystal resonator comprises a circuit board, a quartz crystal resonator and a thermistor, wherein the thermistor is configured to detect a temperature of the quartz crystal resonator, the thermistor and the quartz crystal resonator are arranged on the circuit board and interconnected with each other via electric wires arranged on the circuit board; the thermistor and the quartz crystal resonator are sealed independently from each other by thermoplastic material, and the thermoplastic material sealing the thermistor is in contact with the thermoplastic material sealing the quartz crystal resonator.

What is claimed is: 
     
         1 . A piezoelectric quartz crystal resonator comprising a circuit board, a quartz crystal resonator and a thermistor, wherein, the thermistor is configured to detect a temperature of the quartz crystal resonator, the thermistor and the quartz crystal resonator are arranged on the circuit board and interconnected with each other via electric wires arranged on the circuit board; the thermistor and the quartz crystal resonator are sealed independently from each other by thermoplastic material, and the thermoplastic material sealing the thermistor is in contact with the thermoplastic material sealing the quartz crystal resonator. 
     
     
         2 . The piezoelectric quartz crystal resonator according to  claim 1 , wherein, the thermistor and the quartz crystal resonator are arranged side by side on the same side of the circuit board, and a clearance is preset between the thermistor and the quartz crystal resonator. 
     
     
         3 . The piezoelectric quartz crystal resonator according to  claim 1 , wherein, the thermistor is arranged on a back of the quartz crystal resonator, and at least one welding pad of the thermistor is connected with at least one welding pad of the quartz crystal resonator. 
     
     
         4 . The piezoelectric quartz crystal resonator according to  claim 3 , wherein, a central portion of the circuit board where the quartz crystal resonator is arranged is provided with a through hole, and the thermistor is arranged in the through hole.