JP3322020B2 - Cordless iron - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless iron in which, when an iron portion is mounted on a stand portion, electric power is supplied from a stand portion to a heater incorporated in a base portion of the iron portion and heated, and preheating is performed to perform ironing. It is about.

[0002]

2. Description of the Related Art Conventionally, cordless irons of this type have generally been configured as shown in FIGS. Hereinafter, the configuration will be described.

[0003] As shown in the figure, an iron part 1 has a base part 3 heated by a heater 2 and protrudes electrode parts P1, P2 and P3 at the rear part. The stand section 5 having the commercial power supply 4 is provided with an electrode section P provided on the iron section 1.
It has electrode portions P4, P5, and P6 that are in contact with 1, P2, and P3.

When the iron unit 1 is placed on the stand unit 2, the iron unit 1 is provided on the stand unit 5 via the electrode units P 1 and P 2 provided on the iron unit 1 and the electrode units P 4 and P 5 provided on the stand unit 5. The electric power is supplied from the commercial power supply 4 to the heater 2 to heat the base portion 3. The temperature of the base unit 3 is detected by the temperature detection unit 6 and output to the iron-side control unit 7.

[0005] The output of the iron side control unit 7 is
3 and P6, is sent to the stand-side control unit 8, and the stand-side control unit 8 determines whether the sent temperature signal is higher or lower than the set temperature, and compares the result with the heater control unit 9.
Output to The heater control unit 9 controls the power supply to the heater 2 to keep the temperature of the base unit 3 constant.

[0006]

However, in such a conventional cordless iron, when the ironing is performed, a large amount of static electricity is charged on the iron portion 1. When the iron unit 1 is placed on the stand unit 5 in this state, static electricity is generated by the electrode unit P provided on each of the iron unit 1 and the stand unit 5.
3, there is a problem in that it enters the stand section 5 via P6 and destroys the stand-side control section 8.

The present invention has been made to solve the above-mentioned problems, and the static electricity charged in the iron portion is discharged before entering the stand portion via the electrode portion, and is provided on the stand portion even if the iron portion is charged with static electricity. A first object is to prevent the control circuit from being destroyed.

It is a second object of the present invention to prevent static electricity charged in the iron portion from being discharged simultaneously with the contact of the iron portion with the stand portion so as not to destroy a control circuit provided in the stand portion.

Also, without grounding the stand,
A third object is to prevent static electricity from entering the stand.

A fourth object of the present invention is to prevent static electricity charged in an iron portion by ironing from being discharged through a commercial power supply in the stand portion even if it enters the stand portion, thereby preventing a control circuit from being damaged by the static electricity. And

It is a fifth object of the present invention to easily configure a surge absorbing section for discharging static electricity that has entered the stand section.

[0012]

SUMMARY OF THE INVENTION In order to achieve the first object, the present invention comprises an ironing section and a stand section having a commercial power supply for mounting the ironing section. An electrode portion for supplying power to the iron portion when the iron portion is placed on the stand portion, wherein the stand portion contacts the electrode portion of the iron portion when the iron portion is placed on the stand portion. An electrode for supplying power to the iron, and a contact for contacting the iron prior to the electrode when the iron is placed on the stand, and connecting the contact to the ground. This is defined as a first problem solving means.

Further, in order to achieve the third object, a fourth problem solving means is that the contact portion of the first problem solving means is connected to one end of a commercial power supply.

In order to achieve the fourth object, an iron part and a stand part having a commercial power supply for mounting the iron part are provided. The iron part mounts the iron part on the stand part. An electrode portion for supplying power to the iron portion when the iron portion is placed, wherein the stand portion contacts the electrode portion of the iron portion and supplies power to the iron portion when the iron portion is placed on the stand portion. And a surge absorbing section connected between one end of the electrode section and the commercial power supply as fifth means for solving the problem.

According to a sixth aspect of the present invention, in order to achieve the fifth object, the surge absorbing section of the fifth aspect of the present invention is configured using a diode.

According to a seventh aspect of the present invention, in order to achieve the fifth object, the surge absorbing section of the fifth aspect of the present invention is configured using a capacitor.

According to an eighth aspect of the present invention, in order to achieve the fifth object, the surge absorbing portion of the fifth aspect of the present invention comprises a varistor.

[0018]

According to the first aspect of the present invention, there is provided:
When ironing is performed and the iron is placed on the stand with static electricity charged on the iron, if the static electricity charged on the iron enters the stand via the electrode, the contact contacts the ground. Can be discharged,
The static electricity does not invade the stand, and the control circuit can be prevented from being destroyed by the static electricity.

Further, according to the fourth means for solving the problem, it is possible to discharge static electricity charged in the iron part by ironing through a commercial power supply, and the static electricity enters the stand part without grounding the stand part. Can be prevented.

According to the fifth means for solving the problem, when the ironing is performed and the iron is placed on the stand in a state where the iron is charged with the static electricity, the static electricity charged in the iron is discharged to the stand via the electrode. Break into the department,
The invading static electricity can be discharged through the surge absorbing portion, and the control circuit can be prevented from being destroyed by the static electricity.

According to the sixth to eighth means for solving the problems, the surge absorbing portion can be easily formed, and the static electricity which has been charged in the iron portion and has entered the stand portion via the electrode portion can be discharged. Become like

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

As shown in the figure, the iron section 1 has a metal base section 3 heated by a heater 2, and has electrode sections P1, P2 and P3 protruding at the rear. The stand unit 10 having the commercial power supply 4 includes the electrode units P4, P
5, P6.

The roller section 11 supports the base section 3 of the iron section 1 and is rotatably provided on the upper surface of the stand section 10. The contact portion 12 is provided at a position where, when the iron portion 1 is placed on the stand portion 10, the electrode portions P1, P2, and P3 come into contact with the iron portion 1 before coming into contact with the electrode portions P4, P5, and P6. The contact portion 12 is connected to the ground portion 13.

When the iron portion 1 is placed on the stand portion 10, the base portion 3 of the iron portion 1 and the roller portion 11 provided on the stand portion 10 first come into contact with each other. When the iron unit 1 is moved downward while rotating the roller unit 11, the electrode units P 1, P 2, P 3 provided on the iron unit 1 and the stand unit 1
The electrode portions P4, P5, and P6 provided at 0 come into contact with each other, and the mounting is completed.

When the ironing section 1 is placed on the stand section 10 in a state in which the ironing section has been charged with static electricity and the iron section 1 is charged, the static electricity charged on the ironing section 1 is transferred to the base section 3 of the iron section 1 and the stand section. Contact part 1 provided on 10
2 can be discharged from the contact part 12 to the ground part 13 when the two contact with each other.

At this time, the electrode portion P provided on the iron portion 1
1, P2, P3, and the electrode portion P provided on the stand portion 10.
4, P5 and P6 are not in contact with each other, so that static electricity does not invade the stand section 10, and damage to the control circuit due to static electricity can be prevented.

Next, a reference example relating to the present invention will be described with reference to FIG. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

As shown in the figure, the roller portion (contact portion) 1
Reference numeral 4 denotes a base for supporting the base 3 of the ironing unit 1, which is rotatably provided on the upper surface of the stand 15. The roller portion 14 is formed of a conductive member such as a metal such as aluminum, copper, or iron, a conductive rubber, a conductive resin, or a plated resin, and is connected to the ground portion 12.

The operation in the above configuration will be described. When the ironing section 1 is placed on the stand section 15 in a state where the ironing is performed and the ironing section 1 is charged with static electricity, first, the base section 3 of the ironing section 1 Since the roller unit 14 provided on the stand unit 15 comes into contact with the roller unit 14, when the base unit 3 of the iron unit 1 and the roller unit 14 provided on the stand unit 15 come into contact with each other, the static electricity charged on the iron unit 1 is contacted. Discharge can be made to the grounding portion 13.

At this time, the electrode portion P provided on the iron portion 1
1, P2, P3, and the electrode portion P provided on the stand portion 15.
4, P5, and P6 are not in contact with each other, so that static electricity does not enter the stand unit 15, thereby preventing the control circuit from being damaged by static electricity.

Next, another reference example related to the present invention is shown in FIG.
This will be described with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in the figure, the ball portion (contact portion) 16
Supports the base part 3 of the iron part 1 and is rotatably provided on the upper surface of the stand part 17. The ball portion 16 is formed of a conductive member such as a metal such as aluminum, copper, or iron, a conductive rubber, a conductive resin, or a plated resin, and is connected to the ground portion 13.

The operation of the above construction will be described. When the ironing section 1 is placed on the stand section 17 in a state where the ironing is performed and the iron section 1 is charged with static electricity, first, the base section 3 of the ironing section 1 Since the ball 16 provided on the stand 17 comes into contact with the ball, the static electricity charged on the iron 1 is applied to the base 3 of the iron 1 and the stand 1.
5 comes into contact with the ball portion 16 provided on the
6 to the ground 13.

At this time, the electrode portion P provided on the iron portion 1
1, P2, P3 and the electrode portion P provided on the stand portion 17
4, P5, and P6 are not in contact with each other, so that static electricity does not invade the stand portion 17, and the control circuit can be prevented from being destroyed by the static electricity.

Next, a fourth embodiment of the present invention will be described with reference to FIG. The components having the same configuration as the second embodiment are denoted by the same reference numerals, and description thereof is omitted. As shown in the figure, the roller unit 14 is connected to one end of the commercial power supply 4.

The operation of the above configuration will be described. When the ironing section 1 is placed on the stand section 15 in a state where the ironing section 1 is ironed and the iron section 1 is charged with static electricity, first, the base section 3 of the ironing section 1 Since the roller unit 14 provided on the stand unit 15 comes into contact with the roller unit 14, when the base unit 3 of the iron unit 1 and the roller unit 14 provided on the stand unit 15 come into contact with each other, the static electricity charged on the iron unit 1 is generated. Discharge can be performed through the commercial power supply 4, static electricity does not enter the stand unit 15, and destruction of the control circuit due to static electricity can be prevented.

In the above embodiment, the static electricity charged in the iron unit 1 is discharged from the roller unit 14 through the commercial power supply 4, but the contact unit 1 in the first embodiment is discharged.
The static electricity charged in the iron part 1 may be discharged through the commercial power supply 4 from the ball part 16 of the second or third embodiment.

Next, a fifth embodiment of the present invention will be described with reference to FIG. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

As shown in the figure, the first surge absorber 18
Is connected between the electrode section P6 provided on the stand section 19 and one end of the commercial power supply 4, and the second surge absorbing section 20 is connected between the electrode section P6 and the other end of the commercial power supply 4. I have. These first and second surge absorbing units 18 and 20 are formed of capacitors or varistors, and have an impedance lower than that of the stand-side control unit 8 against static electricity entering from the ironing unit 1. Part 1
The static electricity that has entered from above is discharged through the commercial power supply 4.

The operation of the above configuration will be described. When the ironing section 1 is placed on the stand section 19 while ironing is performed and the iron section 1 is charged with static electricity, the static electricity charged on the iron section 1 is reduced to the electrode section. It enters the stand section 19 via P3 and P6.

At this time, since the impedance of the first surge absorbing unit 18 is lower than the impedance of the stand-side control unit 8, static electricity causes the iron unit 1 to move the iron unit 1 to the stand unit 19.
Is discharged to the commercial power supply 4 through the first surge absorbing section 18 or the second surge absorbing section 20 without passing through the stand-side control section 8 depending on the polarity of the commercial power supply 4 when placed on the power supply. Therefore, the stand-side control unit 8 due to static electricity
Such a control circuit can be prevented from being destroyed.

In the above embodiment, the first surge absorbing section 18 and the second surge absorbing section 20 are connected between the electrode section P6 and the commercial power supply 4, but only one of them is connected. You may. At this time, the surge absorbing section can be constituted by a diode.

[0044]

As described above, according to the present invention, an iron part,
The iron unit comprises a stand unit having a commercial power supply for mounting the iron unit, and the iron unit includes an electrode unit that supplies power to the iron unit when the iron unit is mounted on the stand unit. An electrode unit that contacts the electrode unit of the iron unit when the iron unit is placed on the stand unit and supplies power to the iron unit; and an electrode unit that puts the iron unit on the stand unit. The iron part is placed on the stand part in a state where the iron part is connected to the ground part and the iron part is connected to the ground part, and the iron part is ironed and the iron part is charged with static electricity. In this case, the static electricity charged in the iron part can be discharged from the ground part before entering the control circuit of the stand part through the electrode part, thereby preventing the control circuit from being destroyed. It is possible.

Further, since the contact portion is connected to one end of the commercial power source, the static electricity charged to the iron portion by ironing can be discharged through the commercial power source, and the static electricity can be discharged without grounding the stand portion. Intrusion into the stand can be prevented.

The iron unit includes a stand unit having a commercial power supply for mounting the iron unit, and the iron unit supplies power to the iron unit when the iron unit is mounted on the stand unit. An electrode section, wherein the stand section contacts the electrode section of the iron section when the iron section is placed on the stand section, and supplies power to the iron section; and one end of the electrode section and a commercial power supply When the iron part is placed on a stand with the iron part charged with static electricity, the static electricity charged on the iron part causes the electrode part to be charged. The static electricity that has entered the stand unit can be discharged through the surge absorbing unit, thereby preventing the control circuit from being damaged by the static electricity.

Further, since the surge absorbing section is constituted by using a diode, a capacitor or a varistor, the surge absorbing section can be easily constructed, and the static electricity charged in the iron section is applied to the stand section via the electrode section. Even in the case of intrusion, the static electricity can be discharged and the control circuit can be prevented from being damaged by the static electricity.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of a cordless iron according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway side view of a cordless iron according to a reference example of the present invention.

FIG. 3 is a partially cutaway side view of the cordless iron according to the reference example of the present invention.

FIG. 4 is a partially cutaway side view of a cordless iron according to a fourth embodiment of the present invention.

FIG. 5 is a main part block circuit diagram of a cordless iron according to a fifth embodiment of the present invention.

FIG. 6 is an exploded perspective view of a conventional cordless iron.

FIG. 7 is a main part block circuit diagram of the cordless iron.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Iron part 2 Heater 3 Base part 4 Commercial power supply 10 Stand part 12 Contact part 13 Ground part P1 electrode part P2 electrode part P3 electrode part P4 electrode part P5 electrode part P6 electrode part

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Yoshinori Kataoka 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Kenjiro Tomita 1006 Okadoma Kadoma, Kazuma Osaka Pref. (72) Inventor Kenji Takenaka 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Keiko Noda 1006 Oji Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (56) JP-A-5-154300 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) D06F 79/02

Claims (6)

(57) [Claims] 1. An iron unit comprising: a stand unit having a commercial power supply on which the iron unit is placed; and the iron unit supplies power to the iron unit when the iron unit is placed on the stand unit. An electrode unit, wherein the stand unit is configured to contact the electrode unit of the iron unit when the iron unit is placed on the stand unit and supply power to the iron unit, and the iron unit to the stand unit. A cordless iron comprising: a contact portion that contacts the iron portion before the electrode portion when placed; and the contact portion is connected to a ground portion. 2. The cordless iron according to claim 1, wherein the contact portion is connected to one end of a commercial power supply. 3. An iron unit and a stand unit having a commercial power supply for mounting the iron unit, and the iron unit supplies power to the iron unit when the iron unit is mounted on the stand unit. An electrode section, wherein the stand section contacts the electrode section of the iron section when the iron section is placed on the stand section, and supplies power to the iron section; and one end of the electrode section and a commercial power supply Cordless iron with surge absorber connected between them. 4. The cordless iron according to claim 3 , wherein the surge absorbing section is configured using a diode. 5. The cordless iron according to claim 3 , wherein the surge absorbing section is configured using a capacitor. 6. The cordless iron according to claim 3 , wherein the surge absorbing section is formed using a varistor.