PTC electric constant temperature container
A container and constant temperature technology, which is applied in the direction of instruments, heating devices, temperature control, etc., can solve the problems of inconvenient use of PTC constant temperature containers, and achieve the effects of reliable electrical connection, strong adaptability, and simple operation
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[0088] Example one
[0089] Such as figure 1 with 2 As shown, the PTC electric thermostatic cup 5 includes a cup inner bottom piece 7, a cup outer bottom piece 10, a cup inner wall 3, a cup outer wall 4 and a cup lid 1, etc. The cup inner bottom piece 7 is made of stainless steel plate, seven of which are 20mm in diameter and thick The 1.5mm round PTC heating element 8 is soldered or brazed on the underside of the bottom part 7 in the cup, see figure 2 . The surface temperature of the PTC heating element 8 is 60±5°C, and the working voltage is 12V. The cup outer bottom part 10 is made of plastic injection molding. The center of the lower part is a truncated cone-shaped raised central electrode holder 12. The truncated cone-shaped central electrode shoe 30 at the lower end of the central electrode holder 12 is made of stainless steel. The electrode shoe passes through the center of the cup outer bottom part 10 One of the through holes is fixed with a screw 31. The lower electrode...
Example Embodiment
[0093] Example two
[0094] The difference between this embodiment and the first embodiment lies in the fixing method of the center electrode shoe 30 of the cup outer bottom part, such as image 3 As shown, the screw 31 passes through the truncated cone-shaped central electrode shoe 30 with a through hole and the through hole of the cup outer bottom part 10 to be fixed to the nut 33 on the upper part thereof, and is electrically connected to the lower electrode layer of the PTC heating element 8. This embodiment of the central electrode holder 12 and the central electrode shoe 30 is defined as a B-type.
Example Embodiment
[0095] Example three
[0096] The difference between this embodiment and the second embodiment lies in the center electrode shoe 30 of the cup outer bottom part, such as Figure 4 As shown, the shape of the frustum-shaped central electrode shoe 30 is changed from frustum-shaped to frustum-shaped, and the plastic frustum of the central electrode holder 12 is consistent with it. This embodiment of the central electrode holder 12 and the central electrode shoe 30 is defined as a C-shape.
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