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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

Inactive Publication Date: 2009-08-26
苏欣捷
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] The purpose of this invention is to solve the problem of inconvenient use of the existing PTC constant temperature container, and propose a PTC electric constant temperature container, which has a simple structure, is convenient to take and put, and its bottom size is not limited

Method used

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  • PTC electric constant temperature container
  • PTC electric constant temperature container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] Such as figure 1 and 2 As shown, the PTC electric constant temperature cup 5 includes a cup inner bottom part 7, a cup outer bottom part 10, a cup inner wall 3, a cup outer wall 4 and a cup cover 1, etc. The cup inner bottom part 7 is made of stainless steel plate, seven of which are 20 mm in diameter and thick 1.5mm, the circular PTC heating element 8 is soldered or brazed on the underside of the cup insole 7, 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 molded by plastic injection molding, and the center of its lower part is a frustum-shaped raised central electrode seat 12. The frustum-shaped central electrode pole shoe 30 at the lower end of the central electrode seat 12 is made of stainless steel, and the pole shoe passes through the center of the cup outer bottom part 10. One of the through holes is fixed with screw 31. The lower electrode layers of the seven PTC...

Embodiment 2

[0094] The difference between this embodiment and Embodiment 1 lies in the fixing method of the central electrode pole piece 30 of the cup outer bottom part, such as image 3 As shown, the screw 31 passes through the frustum-shaped central electrode pole shoe 30 with a through hole and the through hole of the cup outer bottom member 10 and the nut 33 on the upper part thereof is fixed, and is electrically connected with the electrode layer on the lower side of the PTC heating element 8 . The embodiment of the central electrode holder 12 and the central electrode pole piece 30 is defined as type B.

Embodiment 3

[0096] The difference between this embodiment and embodiment two is that the central electrode pole shoe 30 of the outer bottom of the cup, such as Figure 4 As shown, the shape of the frustum-shaped central electrode pole shoe 30 is changed from a conical shape to a conical shell shape, and the plastic circular frustum of the central electrode seat 12 matches it. The embodiment of the central electrode holder 12 and the central electrode pole piece 30 is defined as C-type.

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Abstract

The invention provides a PTC electric constant temperature container, and relates to a heating device and a water boiling vessel. The invention aims at solving the problem of inconvenient use of the prior PTC constant temperature container. The PTC electric constant temperature container of the invention comprises PTC heating elements which are in electric and heat conducting connection to the lower side of a metallic inner bottom piece of the constant temperature container. A main body of the container adopts a double-layer thin wall stainless steel structure, a metallic liner structure or an anti-corrosion metallic inner bottom piece structure. The bottom of the container is provided with a central electrode base and a pole shoe, and a circular ring-shaped electrode base and a pole shoe which are used for connecting a power supply. The upper surface of a power supply base powering the constant temperature container is provided with a ring-shaped protrusion, the inner side and the outer side of the ring are provided with a first electrode and a second electrode respectively, and the first electrode and the second electrode are electrically connected with the central electrode base and the circular ring-shaped electrode base respectively. A power line is connected with a switch, a fuse and an LED indicating the current in series and connected with an LED indicating the switch-on of the power supply in parallel. The constant temperature container is suitable for various power supplies.

Description

technical field [0001] The invention relates to a constant temperature electric heating device and a water boiling vessel, in particular to a PTC electric constant temperature vessel. Background technique [0002] Traditional thermostatic control methods usually use thermal sensors to detect temperature changes, which are then fed back to the heating operation of the heating element to compensate for the temperature changes that occur. The disadvantage is that it is more complicated, expensive, and less reliable. In recent years, the development and application of positive temperature coefficient (Positive Temperature Coefficient, PTC) thermal element heating technology has made great progress, providing a simple, affordable and highly reliable integration of heating and temperature control for the field of temperature control. heating and temperature control components. [0003] In order to keep the temperature of drinking water or beverages, traditional containers, such ...

Claims

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Application Information

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IPC IPC(8): A47G23/04A47J36/24A47J27/21G05D23/20
Inventor 苏欣捷
Owner 苏欣捷
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