Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Reexamination Certificate
1999-11-19
2001-12-11
Gutierrez, Diego (Department: 2859)
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
C374S145000, C374S148000, C374S208000, C165S011100
Reexamination Certificate
active
06328468
ABSTRACT:
TECHNICAL FIELD
The present invention relates to an air conditioner for sensing the temperature of air flowing into a heat exchanger and controlling various operations, and more particularly to a fixing device for fixing a temperature sensing element in the air conditioner.
BACKGROUND ART
A schematic diagram of a conventional fixing device of temperature sensing device is shown in FIG.
6
. In
FIG. 6
, a conventional fixing device
103
comprises a temperature sensing element holder
101
for holding the tip of a temperature sensing element
100
, a main body fixing portion
102
for fixing to the main body, and a recess
105
for fitting to the piping of a fin and tube heat exchanger. This fixing device was formed by using a resin material. The piping was fabricated from a copper material. In such conventional constitution, the tip of the temperature sensing element is a part of an electronic control circuit, and the temperature sensing element was installed in the air conditioner while the tip of the temperature sensing element was exposed.
The surface of the temperature sensing element of the modern air conditioner is covered with insulating resin or the like, but the thickness of this insulating film is a minimum thickness necessary for sensing air temperature, and is, for example, about 0.1 mm to about 0.2 mm. Accordingly, in the exposed state of the surface of the temperature sensing element, when the temperature sensing element is installed in the air conditioner, the surface of the coating of the tip of the temperature sensing element is likely to be flawed, and if the user touches the flawed temperature sensing element, the temperature sensing element may be broken, and the temperature control of the air conditioner becomes imperfect, which causes problems for the safety of the user.
It is hence an object of the invention to present a fixing device to prevent damage of the temperature sensing element from outside and to prevent the user from touching directly the temperature sensing element.
SUMMARY OF THE INVENTION
A fixing device of temperature sensing element of air conditioner of the invention comprises (a) a fixing portion to be fixed to a main body, (b) an opening portion forming an opening surface, (c) a folded portion having a holding portion for holding a temperature sensing element, (d) an accommodating portion disposed as being opened at the opening surface, for accommodating a tip of the temperature sensing element, and (e) a foldable thin wall portion disposed between the opening portion and the folded portion, in which the fixing portion, the opening portion, the thin wall portion, and the folded portion are integrally formed, the holding portion of the folded portion is positioned at the opening surface by folding the thin wall portion, the temperature sensing element is held in the holding portion, and the tip of the temperature sensing element is disposed in the accommodating portion.
An assembling method of fixing device of temperature sensing element of air conditioner of the invention comprises (a) a step of supplying a fixing device including a fixing portion to be fixed to a main body, an opening portion forming an opening surface, a folded portion having a holding portion for holding a temperature sensing element, an accommodating portion disposed as being opened at the opening surface, for accommodating a tip of the temperature sensing element, and a foldable thin wall portion disposed between the opening portion and the folded portion, (b) a step of disposing the temperature sensing element in the holding portion, and (c) a step of folding the thin wall portion, fitting the holding portion mounting the temperature sensing element to the opening portion, and disposing the temperature sensing element in the accommodating portion.
In this constitution, injury or breakage of the temperature sensor is prevented. Also, direct touch by the user is prevented. Moreover, it is extremely easy when fixing the temperature sensor in the air conditioner.
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Miyanagi Yukitaka
Nagano Masatoshi
Okubo Junichi
Gutierrez Diego
Matsushita Electric - Industrial Co., Ltd.
McDermott & Will & Emery
Verbitsky Gail
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