JP2640408B2 - Clothing temperature sensor mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to clothing and the like for drying an object to be dried by housing the object to be dried in a rotating drum, supplying heated air into the rotating drum, and exhausting the heated air. The present invention relates to an attachment structure for a clothing temperature sensor used for drying control in a dryer.

[0002]

2. Description of the Related Art As a dryer for clothes and the like, there is a type in which hot air is sent into a rotating drum and dried by the hot air. As shown in FIG. 1 to FIG. A rotatable drum (10) is rotatably provided in the housing, and the rotatable drum (10) is rotatably supported by a rear wall of the casing (1) or a mounting plate connected to the casing (1). The peripheral edge of the front opening of (10) is also supported by a metal support ring (3) fitted to the front edge, and the front and rear ends of the rotary drum (10) are rotatably supported.

[0003] An intake fan (F) is provided at the center of rotation of the rear wall, and a hot air supply port (30) is provided in the support ring (3) so that the air flows from the intake fan (F). An exhaust pipe for discharging exhaust gas is provided continuously, and a central opening of the support ring (3) is closed by an opening / closing lid (13) supported by a casing (1). In this type of dryer, the rotating drum (10) is driven to rotate by a motor (15), and a heating device (3) disposed upstream of a hot air supply port (30).
The heated air from 1) is supplied to the inside of the rotary drum (10), the opening / closing lid (13) is opened, and a material to be dried (M) such as clothing is thrown in. When the heating device (31) and the motor (15) are operated in a state where (13) is closed, the object to be dried (M) in the rotary drum (10) is dried by the heated air while being rotated. Becomes

Further, this conventional apparatus is provided with a clothing temperature sensor (S ₁ ) for controlling drying. This clothing temperature sensor
(S ₁ ) is mounted on a portion of the inner surface of the support ring (3) as a fixed wall surface (3a) exposed to the rotary drum (10) and the hot air supply port (30) in the rotation direction of the rotary drum.
The detection part (S ₀ ) of this sensor is fixed to the rotating drum (10) toward the fixed wall (3a) as shown in FIG. Projecting uniformly from The clothing temperature sensor (S ₁ ) has a hot air supply port (3
Since the object to be dried (M) can be detected immediately after passing through the hot air supply port (30) because it is fixed in the vicinity of the rear of (0), detection accuracy can be improved. In addition, the detection unit (S ₀ ) of the clothing temperature sensor (S ₁ ) comes into contact with the moving object to be dried (M) and detects the temperature thereof, whereby the control of the drying operation is accurately executed. .

However, in this case, a clothing temperature sensor (S
₁ ) The detection accuracy is insufficient. This is a clothing temperature sensor
(S ₁ ) is fixed wall (3a) via metal bracket (B)
The reason for this is that the clothing temperature sensor (S ₁ ) has a detection portion (S ₀ ) that is uniformly projected from the fixed wall surface (3a). The clothing temperature sensor (S ₁ ) has a detection unit (S ₀ ) built in a metal casing, and a flange-like bracket (B) projects from the casing, and the bracket (B) is a metal fixed member. Since the clothing temperature sensor (S ₁ ) is fixed in a substantially close contact state with the wall surface (3a), the detection temperature of the clothing temperature sensor (S ₁ ) is affected by the heat conduction from the support ring (3), and the clothing temperature sensor (S ₁ ) detecting portions of the S ₁₎ is (S _0), in order to have uniformly projecting from the stationary wall surface (3a),該検known portion (S ₀₎ in reliably且略throughout the material to be dried (M) which moves This is because they do not come into contact with each other.

[0006] The present invention has been made in view of the above points, and is directed to a system in which heated air is supplied into a rotary drum (10), and a material to be dried (M) stored therein is heated and dried. A clothes temperature sensor (S
₁ ), the detection accuracy of the clothes temperature sensor (S ₁ ) in the clothes dryer '' in which the detection unit (S ₀ ) of the clothes dryer is mounted so as to protrude from the metal fixed wall surface (3a) facing the rotary drum (10). The task is to improve it.

[0007]

[Technical means] The technology of the present invention for solving the above problems
The basic method is to install the heat-insulating mounting base (a) on the fixed wall (3a).
The mounting plate (a) on the top surface of this mounting base (a).₁)
Sensor (S ₁) Bracket (B) and attach this mounting plate (a₁)
The height of each part protruding from the fixed wall (3a) is
It was inclined to be higher along the direction of movement. '
That is.

[0008]

The above technical means of the present invention operates as follows. When the object to be dried (M) is accommodated in the rotary drum (10) and put into operation, heated air is supplied, and the object to be dried (M) is heated and dried by the heated air. At this time, the bracket clothing temperature sensor for drying control (S ₁₎
(B) is mounted on a mounting base (a) made of heat insulating material, and since this mounting base (a) is mounted on a metal fixed wall surface (3a), detection of the clothing temperature sensor (S ₁ ) is performed. The temperature will not be affected by heat conduction from the fixed wall. Further, since the detecting portion (S ₀ ) of the clothing temperature sensor (S ₁ ) is inclined so that the height of the protrusion thereof increases along the moving direction of the object to be dried (M), The object (M) is surely brought into contact with the entire area. Furthermore, since the mounting plate (a ₁ ) of the mounting base (a) is inclined, the general clothing temperature sensor (S ₁ ) in which the bracket (B) and the detection unit (S ₀ ) are parallel is used as it is. Detector (S
₀ ) can be set to the inclined posture.

[0009]

According to the present invention having the above-described configuration, the present invention has the following specific effects. The clothing temperature sensor (S ₁ ) is not affected by heat conduction from the fixed wall surface (3a), and the clothing temperature sensor (S ₁ )
The detection unit (S ₀ ) surely comes into contact with the moving object to be dried (M) in almost the entire area, so that the detection accuracy is improved.

Further, the detecting unit (S₀)
And the bracket (B) against the detector (S ₀)
Special clothing temperature sensor (S₁) And need not be a general form
Clothing temperature sensor (S₁) Can be used as is
You.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the construction of the entire dryer embodying the present invention will be described in detail with reference to FIGS. The casing (1) has a support ring at the center of the front as shown in FIG.
An opening / closing lid (13) for closing the central opening of (3) is provided in a single-opening manner, and one side of the opening / closing lid (13) is rotatable back and forth by the front surface of the casing (1). The handle is supported, and a handle (14) is provided on the opposite side of the shaft support.

FIGS. 5 and 6 show the inside of the casing (1).
As shown in the figure, a rotating drum (10), an intake fan (F), a motor (15) for rotating both of them,
A support ring (3) that fits into the front opening of (0) and supports the front of the rotating drum (10), and the hot air supply port (30) of this support ring (3) is supplied via an air supply duct (4). A gas burner as a heating device (31) for supplying heated air, and an exhaust fan device (5) for housing the intake fan (F) and exhausting it through an exhaust duct outside the casing (1) are built in. I do. As shown in FIG. 6, the rotary drum (10) has a shaft (16) protruding from the center of its rear surface supported by a bearing (18a) provided on a mounting plate (18), and a front end of which is a casing. The support ring (3) fixed to (1) is rotatably fitted to the outer periphery of the support ring (3), and is rotatably accommodated in the casing (1) so as to be supported by the support ring (3). And
An outer peripheral portion of the rotating drum (10) and an output shaft of the motor (15) are belt-driven. Thus, the rotating drum (10) is rotated by the operation of the motor (15).
The internal structure of the rotary drum (10) is the same as that of a known one, and as shown in FIG. 7, angled portions (17) (17) protruding inward at a plurality of locations on the inner surface of the body and extending back and forth. ), And the object to be dried (M) is rotated by the chevron (17). Also,
Even when the amount of the material to be dried (M) is small, it is lifted up by the rotation of the rotary drum (10) and then falls, and the above operation is repeated according to the rotation of the material to be dried (M).

As shown in FIG. 1, the rotary drum (10) is driven to rotate by the motor (15).
The belt (19) wound around the trunk of (0) is transmitted to the output pulley (P) of the motor (15) in such a manner that tension is applied by the intermediate wheel. Further, as shown in the figure, the output pulley (P) is also belt-driven with the pulley of the intake fan (F), and is rotated by the common motor (15).
The intake fan (F) is driven to rotate by belt transmission.

In this embodiment, heated air heated by a heating device (31) is supplied into a rotary drum (10) from a hot air supply port (30) provided in a lower right portion of a support ring (3). ,
As shown in FIG. 5, the heating device (31) includes a pair of unit burners in which the flame hole portion is continuous in the longitudinal direction,
This is accommodated in a burner box (32) opened upward.

The heating device (31) is located at the inlet (41) of the air supply duct (4). The air supply duct
(4) is a fan-shaped discharge chamber (42) formed between the front surface of the casing (1) and the support ring (3),
(41) and a connecting portion (43) for connecting the connecting portion (4).
The entrance (41) is formed to extend rearward from the lower rear surface of (3), and this entrance (41) is fixed to the bottom surface of the casing (1) as shown in FIG.

As shown in FIG. 5, the rear surface of the discharge chamber (42) is in contact with the front surface of the support ring (3). Opening to (40) (40)
The space between the openings (40) and (40) is closed. On the surface where the rear surface of the discharge chamber portion (42) is in contact with and coincides with the openings (40) and (40), there are formed open areas (30a) and (30b) in which a number of small through-holes are formed. This opening area functions as the hot air supply port (30) described above.

In this embodiment, as shown in FIGS. 7 to 9, a clothing temperature sensor (S ₁ ) for a control unit for maintaining the temperature in the rotary drum (10) at a set temperature, and a drying end Electrode sensor (S
₂ ). The clothing temperature sensor (S ₁ ) is mounted on a portion of the inner surface of the support ring (3) exposed to the rotary drum (10) and the hot air supply port (30) in the rotation direction of the rotary drum (10). The electrode sensor (S ₂ ) is fixed to the outer peripheral side of the support ring (3) behind the clothing temperature sensor (S ₁ ). Have been. As shown in FIG. 10, these sensors have a built-in detection unit (S ₀ ) in a metal casing,
Flange-shaped metal bracket from the casing
(B) is an overhanging configuration. For fixing the sensors, a mounting base made of injection-molded polypropylene resin (a)
Is used. The mounting base (a) has a configuration in which a flange (H ₁ ) extends from the lower end of a cup-shaped housing (H) that is opened downward, and a mounting plate (a ₁ ) serving as a top surface of the housing (H). A central portion of the housing is provided with a hole through which a casing of the sensor can be loosely inserted, and a housing (H).
On both sides of the is provided a screw hole for fixing the sensor,
The mounting plate (a ₁ ) is inclined with respect to the flange (H ₁ ) of the housing (H). Therefore, the bracket of each sensor
(B) is inserted from the open bottom side of the housing (H) of the mounting base (a) and screwed to the mounting plate (a ₁ ).
The lower side of the projecting height of the mounting plate (a ₁ ) is the object to be dried (M).
The mounting posture is set so as to be located on the upper side in the moving direction of the camera, and the camera is mounted on the support ring (3).
The electrode sensor (S ₂ ) is a known sensor, and is composed of a pair of electrodes. When an object to be dried (M) that contacts between the two electrodes is wet, an electric current flows and the electrode is dried. The dry state is detected by utilizing the fact that the current decreases as the current value decreases.

Accordingly, in this embodiment, the air heated by the heating device (31) is supplied from the inlet (41) through the connecting portion (43) through the openings (40) and (40) and the opening areas (30a) (30a). 30b) is discharged into the rotating drum (10), and the material to be dried (M) in the rotating drum (10).
Is heated by the heated air. In the drying operation state, as described above, the clothing temperature sensor (S ₁ ) is attached immediately behind the hot air supply port (30), and the electrode sensor (S 1
₂₎ further且support ring behind the garment temperature sensor (S ₁₎
(3) Since the mounted radially offset, these sensors, without interfering with the contact between the material to be dried (M) to move relative to each other, the detection portion of the sensor and (S _0), the dried Stuff
(M) reliably and almost in contact with the entire area, so that a sufficient contact area between the detecting portion (S ₀ ) of these sensors and the object to be dried (M) can be ensured, the detection accuracy is improved, and insufficient heating is achieved. Or excessive heating can be prevented.
The brackets (B) of these sensors are mounted on a mounting base (a) made of polypropylene resin, and the mounting base (a) is mounted on the support ring (3). The sensor is not affected by the heat conduction from (3), and since these sensors are inclined so as to be higher along the rotation direction of the rotary drum (10), the moving object (M) is not moved. Since it is possible to more reliably contact the detection unit (S ₀ ) of each sensor, the detection accuracy is further improved. Further, the detection portion (S ₀₎ to a tilted position, since the mounting plate of the mounting base (a) the (a ₁₎ is tilted, the detection unit with respect to the bracket (B) (S ₀₎ is inclined There is no need to use such a special sensor, and a general type sensor can be used as it is. Further, in the attachment to the support ring (3), because mount flange (a) (H ₁₎ closes the mounting hole formed in the support ring (3), hot air rotary drum (1
There is no leakage to the outside of (0).

In this embodiment, a clothing temperature sensor (S ₁ ) is attached to the inner peripheral side of the support ring (3),
Electrode sensor (S ₂ ) on the outer peripheral side of support ring (3) behind (S ₁ )
However, a clothing temperature sensor (S ₁ ) is attached to the outer peripheral side of the support ring (3), and an electrode sensor () is attached to the inner peripheral side of the support ring (3) behind the clothing temperature sensor (S ₁ ). S ₂ ) may be attached. Further, in the same radial direction of the support ring (3), a clothing temperature sensor (S ₁ ) may be attached to the inner peripheral side, and an electrode sensor (S ₂ ) may be attached to the outer peripheral side. The positions may be set opposite to each other.

Although the gas burner is used as the heating device (31), it can be an electric heater, and the heating device (31) can be connected to the side of the inlet (41) of the air supply duct (4). It may be attached to. Also, rotate the rotating drum (1
0) may be rotated so that the hot air supply port (30) is positioned at the lower left.

Further, the clothing temperature sensor (S ₁ ) is fixed to the support ring (3) via the mounting base (a) made of polypropylene resin. However, the mounting base made of another heat insulating material is used.
It may be fixed to the support ring (3) via (a).

[Brief description of the drawings]

FIG. 1 is an overall explanatory view of a conventional example.

FIG. 2 is an explanatory view of a main part of a conventional example.

FIG. 3 is a sectional view taken along line XX.

FIG. 4 is a perspective view of a dryer employing the present invention.

FIG. 5 is an exploded perspective view of the dryer.

FIG. 6 is a cross-sectional plan view of the dryer.

FIG. 7 is a cutaway front view of a main part.

8 is an enlarged view of a main part of FIG. 7;

9 is a perspective view of a main part of FIG.

FIG. 10 is a sectional view taken along line YY.

[Explanation of symbols]

(10) ・ ・ ・ Rotating drum (3a) ・ ・ ・ Fixed wall surface (M) ・ ・ ・ Dry thing (S ₁ ) ・ ・ ・ Clothing temperature sensor (B) ・ ・ ・ Bracket (a) ・ ・ ・ Mounting stand (a ₁ ) ・ ・ ・ Mounting plate

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshimitsu Tsujimoto 2-26, Fukuzumicho, Nakagawa-ku, Nagoya-shi Inside Rinnai Corporation (72) Inventor Tamotsu Yamaoka 2-26, Fukuzumicho, Nakagawa-ku, Nagoya-shi Rinnai Stock In-company (56) References JP-A-4-33699 (JP, A) JP-A-4-276300 (JP, A) JP-A-61-41696 (JP, U) JP-A-59-165192 (JP, U) ) Shokai Sho 59-157696 (JP, U)

Claims (1)

(57) [Claims] 1. A dryer in which heated air is supplied into a rotating drum (10), and a material to be dried (M) stored therein is heated and dried. Sensor
In the clothes dryer in which the detection unit (S ₀ ) of (S ₁ ) is mounted so as to protrude from the metal fixed wall surface (3a) facing the inside of the rotating drum (10), the mounting stand (a) made of heat insulating material is used. attached to a fixed wall (3a), the garment temperature sensor to the mounting plate of the top surface of the mount (a) (a ₁₎
Attach the bracket (B) of (S ₁ ) and incline it so that the height of the mounting plate (a ₁ ) protruding from the fixed wall surface (3a) increases along the moving direction of the object to be dried (M). The mounting structure of the clothing temperature sensor.