PTC heater device to eliminate induction electricity

A technology of heater and induction electricity, applied in the direction of heating element material, heating element shape, etc., can solve the problems of low manufacturability, poor thermal conductivity, high failure rate, etc., and achieve the effects of simple manufacturing process, reduced potential difference, and increased thermal conductivity

Active Publication Date: 2016-08-24
芜湖蓓慈塑胶有限公司
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  • Abstract
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Problems solved by technology

[0003] In the process of realizing the present invention, the inventors found that the prior art has at least the following problems: However, the prior art has poor thermal conductivity, high failure rate and low manufacturability when making the metal shielding layer wrapping the heating element

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  • PTC heater device to eliminate induction electricity
  • PTC heater device to eliminate induction electricity

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Embodiment Construction

[0015] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the embodiments of the present invention in detail with reference to the accompanying drawings.

[0016] See figure 1 , A PTC heater device that eliminates induced electricity, including an aluminum heat sink 201, the aluminum heat sink is a hollow structure, and is provided with a heat dissipation inner cavity 202. The heat dissipation inner cavity 202 is provided with a PTC heater 203. The PTC heater 203 includes The first electrode plate 2, the second electrode plate 4, the third electrode plate 6, the first ceramic heating sheet 3, the second ceramic heating sheet 5 and the insulating layer 1. The two sides of the second electrode plate 4 are the first ceramic heating sheet 3 And the second ceramic heating sheet 5, the outer side of the first ceramic heating sheet 3 is the first electrode plate 2, and the outer side of the second ceramic...

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Abstract

The invention discloses a PTC heating device eliminating induced electricity. The device comprises an aluminum radiating member (201) in a hollow structure; the aluminum radiating member (201) is provided with a radiating cavity (202) inside; the radiating cavity (202) is provided with a PTC heater (203) inside. The PTC heater (203) comprises a first electrode plate (2), a second electrode plate (4), a third electrode plate (6), a first ceramic heating plate (3), a second ceramic heating plate (5) and an insulating layer (1); two ceramic heating plates are utilized, residual metal shielding layers are omitted, the heating speed is high, the heat conduction performance is improved, and the manufacture process is simple.

Description

Technical field [0001] The invention belongs to the technical field of PTC heaters, and particularly relates to a PTC heater device for eliminating induced electricity. Background technique [0002] At this stage, all PTC heaters can generate induction electricity, and the prior art mainly eliminates induction electricity by adding a metal shielding layer. The method is to surround a metal shielding layer outside the heating element, the shielding layer is connected with the neutral line, and the shielding layer is separated from the aluminum heat dissipation surface by an insulating layer, so that the shielding layer potential is approximately zero, thereby eliminating the induction on the surface of the aluminum heat sink Electricity. [0003] In the process of realizing the present invention, the inventor found that the prior art has at least the following problems: However, the prior art has poor thermal conductivity, high failure rate, and low manufacturability when fabricati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/40H05B3/10
Inventor 孙殷贤梁朝华李杰淳刘阳海
Owner 芜湖蓓慈塑胶有限公司
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