JPH06264890A - Electric fan - Google Patents

Abstract

PURPOSE:To detect a room temperature correctly so as to control a wind amount most suitably by communicating the inside of a power supply code housing chamber formed on a base with outside air, and housing a temperature sensor in the housing chamber, in an electric fan for operation-controlling by the room temperature. CONSTITUTION:A power supply code housing chamber 16 is formed on the rear part of the stand 1 of a base 3, and the bottom surface opening is blocked to be freely opening/closing by a cover body 17. The mounting member 18 of a temperature sensor 19 is provided, and a humidity sensor 19 is mounted. The mounting member 18 is composed of a temperature sensor enclosing part 20, a flat plate part 23 formed a rib for maintaining a lead wire, and a fixing part 25 inserted in the boss part 24 of the stand 1. When the humidity sensor 19 in the enclosing part 20 is housed, and the mounting part 18 is mounted on the boss part 24 of the stand 1, the enclosing part 20 is projected outward from a code housing chamber 16. At this time, space is formed between the outer circumference of the enclosing part 20 and the wall of the code housing chamber 16 so as to communicate an inside and an outside with each other. A dust discharging opening port 31 is provided on the flat plate part 23. Since the housing part of the temperature sensor 19 is formed in an electric supply code housing type, dust and the like are invaded in the code housing chamber 16, and the cover 17 for blocking the code housing chamber 16 is opened so as to dump easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a fan whose operation is controlled by the room temperature.

[0002]

2. Description of the Related Art In recent years, a fan has been developed in which a temperature sensor is housed inside a fan body and the amount of air blown is varied according to the room temperature based on the output of the temperature sensor. However,
Since the temperature sensor is stored inside the fan body,
In addition to being affected by the heat of the electronic components that control the blower fan driving electric motor, etc., the room temperature is detected via the outside of the fan body, so the room temperature cannot be accurately detected, and optimum air flow control is possible. There was a drawback that could not be done.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above drawbacks, and it is an object of the present invention to provide a fan capable of detecting the room temperature more accurately.

[0004]

According to the present invention, there is provided a base, a fan head supported by the base and having a blower fan rotation driving electric motor, a temperature sensor for detecting a change in room temperature, and a temperature sensor. A control circuit for controlling the electric motor based on the output is provided, and a storage section for storing the temperature sensor is formed in a power cord storage chamber formed in the base, and the storage section is allowed to communicate with outside air.

[0005]

According to the present invention, since the temperature sensor is stored in the storage portion communicating with the outside air, the indoor air circulates in the storage portion, and the temperature sensor detects the change in the indoor temperature quickly and accurately. . Further, since the dust that enters the base through the storage unit enters the power cord storage chamber, the electric components that control the electric motor and the like are not adversely affected.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail below with reference to FIGS.

Reference numeral 1 denotes a stand, which supports an elevating column 2 so as to be vertically movable, and a stand 3 is constituted by the stand 1 and the elevating column 2. Reference numeral 4 denotes a neck piece that is supported on the upper part of the elevating column 2 so as to be able to adjust the elevation angle, and accommodates a left / right swing motor (not shown) that swings a fan head 5 described later in the left / right direction. Reference numeral 5 denotes a fan head that is rotatably supported by the neck piece 4 in the left-right direction. An electric motor that rotationally drives the blower fan 6 and a vertical swing motor that swings the fan head 5 in the vertical direction (both are (Not shown). Reference numeral 7 is a guard that is mounted on the fan head 5 and surrounds the blower fan 6.

Reference numeral 8 denotes an operation portion formed on the stand 1,
Reference numeral 9 is a power switch for controlling the drive of the electric motor. When the power switch 9 is turned on, automatic operation is performed, and the electric motor is driven at a rotation speed corresponding to the detected temperature based on the output of a temperature sensor 19 described later. ing. Reference numeral 10 is a mode changeover switch.When the temperature detected by the temperature sensor 19 rises to a certain temperature during operation of the mode changeover switch 10, a nighttime operation in which the electric motor is driven to rotate when the temperature rises to a certain temperature and the temperature detected by the temperature sensor 19 It is designed to select the automatic operation that blows air according to. In the sleep operation, the electric motor is driven at a lower rotation speed than in the automatic operation according to the temperature detected by the temperature sensor 19.

Reference numeral 11 denotes an air flow rate adjusting switch, which is adapted to change the number of rotations of the electric motor to adjust the air flow rate. 12 is an intermittent operation switch, which allows the electric motor to be intermittently operated to blow air in a natural manner. Reference numeral 13 denotes a timer switch, which is adapted to stop the driving of the electric motor after the time set by the operation thereof. Reference numeral 14 is a swing adjustment switch, which controls the driving of the left and right swing motors and the vertical swing motor. Reference numeral 15 is a receiving unit that receives a control signal from a transmitter (not shown).

Reference numeral 16 denotes a power cord storage chamber formed in the rear portion of the stand 1, the lower surface opening of which is closed by a lid 17 so as to be openable and closable. 18 is disposed in the power cord storage chamber 16,
A mounting member for mounting the temperature sensor 19 on the stand 1, a surrounding portion 20 surrounding the temperature sensor 19, a flat plate portion 23 having a plurality of ribs 22 for holding the lead wires 21 of the temperature sensor 19, and the stand 1 A fixing portion 25 which is inserted into a boss 24 formed in the above to position the mounting member 18, and a back lid 26 which closes the opening of the lower surface of the stand 1 is fixed to the boss 24 by a screw.
The mounting member 18 is sandwiched between the stand 1 and the back cover 26.

The surrounding flexible portion 20 comprises a rising piece 27 standing upright from the flat plate portion 23, a temperature sensor 19 mounting piece 28 formed horizontally from the rising piece 27, and a lower end from the upper end of the rising piece 27. It is composed of a plurality of engaging pieces 29 formed toward the power cord storage chamber 16, and the surrounding flexible portion 20 is exposed from the power cord storage chamber 16 through an opening formed corresponding to the power cord storage chamber 16. . The space surrounded by the surrounding flexible portion 20 is used as a space for accommodating the temperature sensor 18, and communicates with the outside through a gap 30 formed between the rising piece 27 and the engaging piece 29 and between the engaging pieces 29. It has become. The outer diameter of the surrounding flexible portion 20 is formed to be larger than the inner diameter of the opening of the stand 1, and the rising piece 27 and the engaging piece 29 are elastically engaged with the opening. Reference numeral 31 is a bent portion of the flat plate portion 23.
An opening formed at a position corresponding to 20 guides dust or the like that has entered the surrounding flexible portion 20 through the gap 30 to the power cord storage chamber 16.

When the power switch 9 is operated, automatic operation is performed and air is blown in an amount according to the room temperature detected by the temperature sensor 19. Since the temperature sensor 19 communicates with the outside air through the gap 30 formed in the surrounding flexible portion 20, it is possible to reliably detect the room temperature and its change.

When the sleep mode operation is selected by operating the mode selection switch 10, when the timer operation of the air conditioner is cut off and the indoor temperature rises to a predetermined temperature, the temperature sensor 19 detects the temperature change and automatically operates. Start.

When not in use, the power cord is stored in the power cord storage chamber 16. The lead wire 21 of the temperature sensor 19 is locked by the rib 22 of the flat plate portion 23 and is covered with the flat plate portion 23. The lead wire 21 is not pulled by pulling out the power cord or the like to break the wire.

Further, dust and the like enter the stand 1 through the gap 30 provided in the surrounding flexible portion 20, but since the dust and the like enter the power cord storage chamber 16, the lid body that closes the power cord storage chamber 16 is closed. By opening 17, dust and the like can be easily discarded.

A second embodiment of the present invention will be described in detail with reference to FIGS. The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

32 is a power cord storage chamber 16 on the upper surface of the stand 1.
The stepped portion 33 formed in the lower part is brought into contact with the peripheral edge of the opening by the object fitted into the opening formed corresponding to the above to prevent the downward movement. Reference numeral 34 denotes a plurality of slits formed in the body 32, and the body 32 and a mounting member 35 described later through the slits 34.
The accommodating space surrounded by the temperature sensor 19 is communicated with the outside air to improve the followability of the temperature sensor 19 to the room temperature.

The numeral 35 is arranged in the power cord storage chamber 16,
The mounting member for mounting the temperature sensor 19 on the stand 1 has a locking claw 36 that engages with a locking hole formed in the lower part of the body 32, and the locking claw 36 is fitted in the locking hole of the body 32. In the engaged state, the boss 24 and the back cover 26 are clamped and fixed.
37 is a locking piece formed on the mounting member 35, and is adapted to fix a lead wire 38 connecting the temperature sensor 19 and a circuit board (not shown). Reference numeral 39 denotes a side wall integrally formed on both sides of the mounting member 35. The lead wire 38 is arranged in a space surrounded by the side wall 39, the mounting member 35 and the stand 1, and the power cord is inserted into and removed from the power cord storage chamber 16. Sometimes the power cord is a lead wire
It is designed to prevent the lead wire 38 from being broken by the 38.

When the power switch 9 is operated, automatic operation is performed and air is blown in an amount according to the room temperature detected by the temperature sensor 19. Since the temperature sensor 19 communicates with the outside air through the slit 34 formed in the body 32, it is possible to reliably detect the room temperature and its change.

When the mode selection switch 10 is operated to select the good night operation, when the timer operation of the air conditioner is stopped and the indoor temperature rises to a predetermined temperature, the temperature sensor 19 detects the temperature change and automatically starts the operation. Start.

When not in use, the power cord is stored in the power cord storage chamber 16, but the lead wire 38 of the temperature sensor 19 is locked by the locking piece 37 of the mounting member 35 and is covered by the mounting member 35 and the side wall 39. As a result, the lead wire 38 will not be pulled and disconnected due to pulling in and out of the power cord.

A slit 34 provided with dust or the like on the portion 32 is also provided.
There is a case where the temperature sensor housing chamber 19 is invaded through the container and dust or the like further leaks into the stand 1. However, since the dust or the like enters the power cord housing chamber 16, the lid body 17 for closing the power cord housing chamber 16 is closed. By opening the door, dust and the like can be easily discarded.

[0023]

As described above, according to the present invention, the accommodating portion of the temperature sensor is communicated with the outside air, so that it is possible to improve the followability with respect to a change in room temperature, and to reliably blow air according to the room temperature. Can be made. The storage part of the temperature sensor is
Since it is formed in the power cord storage chamber, dust and the like can enter the cord storage chamber and can be easily discarded by opening the lid that closes the cord storage chamber, thus preventing adverse effects on electrical components. And so on.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part of a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of essential parts showing a mounted state of the temperature sensor.

FIG. 3 is a main-portion cross-sectional view showing a mounted state of the temperature sensor.

FIG. 4 is a main-portion cross-sectional view showing a mounted state of the temperature sensor.

FIG. 5 is a plan view of an essential part showing a mounted state of the temperature sensor.

FIG. 6 is a side view of the same appearance.

FIG. 7 is a plan view of the operation unit.

8 is a sectional view taken along the line AA of FIG. 10 showing the second embodiment of the present invention.

9 is a sectional view taken along line BB in FIG.

FIG. 10 is a bottom view of the relevant part.

[Explanation of symbols]

 3 Base 5 Fan Head 6 Blower 16 Power Cord Storage Room 19 Temperature Sensor

Claims (1)

[Claims] 1. A base, a fan head supported by the base and having a blower fan rotation driving electric motor, a temperature sensor for detecting a change in room temperature, and an electric motor based on the output of the temperature sensor. An electric fan comprising a control circuit for controlling, and a storage section for storing a temperature sensor formed in a power cord storage chamber formed in the base, the storage section being in communication with outside air.