Peeling strength testing fixture of PPTC (Polymeric Positive Temperature Coefficient) battery piece

• Main Authors: ZENG QINGYU, TIAN ZONGQIAN, LIN MENGPING
• Format: Patent
• Language: Chinese; English
• Published: 08.01.2014
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a peeling strength testing fixture of a PPTC (Polymeric Positive Temperature Coefficient) battery piece. The peeling strength testing fixture comprises a peeling strength tester (10) and is characterized by comprising an upper fixture (21) for clamping a nickel strap and a lower fixture for mounting a battery piece to be tested, wherein at least one chip clamping groove (221) is formed in one end of the lower clamp (22), the other end of the lower fixture (22) is connected with the peeling strength tester (10), the peeling strength tester (10) is connected with the upper fixture (21), a PTC (Positive Temperature Coefficient) chip (30) to be tested is inserted in the chip clamping groove (221), a nickel strap of the PTC chip (30) is folded from inside to outside by the clamping groove (221), and a nickel strap clamping device of the clamp (20) slowly pulls the nickel strap (31) of the PTC chip (30), so that the nickel strap and the PTC chip (30) are peeled for testing the peeling st