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heater

A fan heater and air duct technology, applied in the field of cooling structures, can solve the problem that the cold air cannot be properly sent to the power supply terminal and the like

Active Publication Date: 2022-06-17
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a possibility that cold air cannot be properly sent to the power supply terminal 4
Therefore, there is still room for improvement in terms of the cooling effect of the power supply terminal 4, which tends to generate heat.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment approach

[0018] Hereinafter, the heater according to the embodiment of the present invention will be described item by item.

[0019] The structure of the heater

[0020] First, use Figure 1 to Figure 3 The structure of the air heater 100 of this embodiment is demonstrated.

[0021] figure 1 It is a perspective view which shows the external appearance of the heater of Embodiment 1. figure 2 It is a vertical cross-sectional view of the heater viewed from the right side. image 3 It is a longitudinal sectional view of the heater viewed from the front.

[0022] like figure 1 and figure 2 As shown, the main body 110 of the fan heater 100 of the present embodiment has an outer shape of a substantially rectangular parallelepiped (including a rectangular parallelepiped).

[0023] In addition, in this embodiment, as figure 1 As shown, the front side of the main body 110 of the heater 100 is the front side, the back side is the rear side, the right side is the right side from the...

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PUM

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Abstract

A warm air blower, comprising: an air suction port (130) and a blowing port opened on the outer surface of a main body (110); midway of the road; a heater unit (200), which is arranged downstream of the blower; and a heater housing (180), which accommodates the heater unit (200). The heater unit (200) includes a heating element, heat radiation fins, electrodes, and a power supply terminal (240). The heater casing (180) includes: a heater housing portion (182) housing a heating element and heat dissipation fins; and a cooling air path (181) housing a power supply terminal (240). The air passage on the upstream side of the heater unit (200) communicates with the cooling air passage (181). Accordingly, it is possible to provide a heater (100) capable of suppressing a temperature rise of a power supply terminal of a heater unit and having safety and durability.

Description

technical field [0001] The present invention relates to a cooling structure for a power supply terminal of a heater unit in a heater using a PTC (Positive Temperature Coefficient) element as a heat generating body. Background technique [0002] Conventionally, the heater includes: a centrifugal fan that sucks air; a scroll-shaped casing in which the centrifugal fan is mounted; and a heating element provided in communication with the discharge port of the scroll-shaped casing at the discharge port of the scroll-shaped casing A discharge opening is provided in the vicinity. The fan heater discharges a part of the cool air from the discharge opening to the outside of the scroll casing. Thereby, it is comprised so that the discharge|emission cold air is blown to the power supply terminal of a heat generating body. The above-mentioned heater is described in, for example, Japanese Patent Application Laid-Open No. 3-87565 (hereinafter, referred to as "Patent Document 1"). [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/04F24H9/20F24H9/1863
CPCF24H3/04F24H9/2071
Inventor 森川由隆丸山真一
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD