JPH0724199A - Cordless iron - Google Patents

Abstract

PURPOSE:To enable the sure placement and detection of an iron section without structural limitations with the cordless iron which heats the iron section by supplying electric power from a stand section to a heater built in the base of the iron section 1 when the iron section is placed on the stand section and is used by the preheat generated in such a manner. CONSTITUTION:A power source is supplied to the iron section 1 from a commercial power source 2 to energize a heater section 8 and to heat a base section 7 when the iron section is placed on the stand section 3. The cordless iron is provided with a power source detecting section 9 for detecting the commercial power source 2 from the stand section 3 and a placement detecting section 15. This placement detecting section 15 is constituted to detect whether the iron section 1 is placed on the stand section 3 or is detached therefrom by the output of the power source detecting section 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless iron which is used by preheating the iron part by placing the iron part on the stand part to supply electric power to the heater built into the base of the iron part to heat the heater. It is a thing.

[0002]

2. Description of the Related Art Conventionally, a cordless iron of this type has been proposed as shown in FIGS. The configuration will be described below. As shown in the figure, the ironing part 41, when placed on the stand part 42,
The heater unit 44 for heating the base unit 43 of No. 1 is connected to the control circuit unit 47 provided in the stand unit 42 via the electrode unit 45a provided in the iron unit 41 and the electrode unit 46a provided in the stand unit 42, Electric power is supplied to the heater section 44 from a commercial power source to heat it.

The temperature of the base portion 43 of the ironing portion 41 is detected by a temperature detecting portion 48 and processed by a control circuit portion (not shown), and the detected temperature signal is transmitted through the electrode portions 45b and 46b to the stand portion 42. By sending the temperature to the control circuit section 47, the temperature of the base section 43 is controlled.

In the cordless iron having such a structure, whether the iron part 41 is placed on the stand part 42 is detected as shown in FIG.
The stand 49 is provided with a reed switch 50 which is turned on when the magnet 49 approaches. Then, by detecting the ON signal of the reed switch 50, it is determined that the iron portion 41 is placed on the stand portion 42.

That is, as shown in FIG. 7, when the iron part 41 is placed on the stand part 42, the reed switch 50 is turned on and the input voltage Ei to the microcomputer 51 becomes a high level, and the iron part 41. It can be seen that is mounted on the stand portion 42. The time T1 to T2 shown in FIG. 7 is set, and the iron part 41 is separated from the stand part 42 at other times. Iron part 41
When it is detected that is placed on the stand portion 42, a voltage is applied to the electrode portions 45a and 46b to start heating the base portion 43 of the iron portion 41.

[0006]

In such a conventional cordless iron, the mutual positional relationship is important in order to reliably operate the reed switch 50 by the magnet 49, and if the mounting state varies, the reed switch 50 may be used. Since there are cases where the 50 cannot be operated, there is a problem in that there are structural restrictions in order to reliably detect the placement.

The stand portion 42 also has a control circuit portion 47.
However, there is also a problem in that the structure of the stand portion 42 becomes complicated and the size of the stand portion 42 becomes large, resulting in poor usability for the user.

Therefore, it is considered to arrange all the control circuits in the ironing part 41, but the ironing part 41
Since the power supply of the control circuit is lost during use after detaching from the stand unit 42 and the control state cannot be stored and the usability is deteriorated, in order to operate the control circuit at the time of detachment, a power source such as a secondary battery is ironed. 41 need to be prepared.

However, since the capacity of the battery is limited,
It is necessary to charge the battery at the time of placement and set the operation mode to make the battery last longer when it is detached, and it is necessary to determine whether it is placed or detached.
By doing so, mutual positional relationship becomes important. As described above, a reliable means for detecting placement without structural restrictions is required.

SUMMARY OF THE INVENTION The first object of the present invention is to solve the above-mentioned problems and to provide a cordless iron having a simple structure of the stand portion, which is easy to use, and which detects the placement without structural restrictions. There is. The second purpose is to eliminate malfunction due to noise or the like, and to make it possible to reliably detect the placement. A third object is to allow the power source to be switched by detecting the placement and to make the power storage unit last longer when the iron is removed to improve usability.
A fourth object is to eliminate unstable elements on the circuit and to reliably detect the placement.

[0011]

In order to achieve the first object of the present invention, the iron part has a heater part for supplying power from the stand part to heat the base part, and a commercial power source from the stand part. A power source detecting unit for detecting a power supply, a power source unit for generating driving power for each unit from the commercial power source, a power storage unit for storing electric charges by the power source unit, and an iron unit mounted on the stand unit by an output of the power source detecting unit. The first problem-solving means is to have a placement detector that detects whether or not the robot is detached.

Further, in order to achieve the second object, in addition to the means for solving the first problem, a timer section connected to a power source detecting section is provided in the iron section, and the placement detecting section detects the power source. The second problem-solving means is to measure the output of the unit by the timer unit and to judge that the iron unit is placed on the stand unit when the commercial power is input for a predetermined time.

In order to achieve the third object, in addition to the means for solving the first or second problem, the iron driving power is supplied from the power source unit or the power storage unit to the iron unit by the output of the placement detecting unit. The third problem solving means is to provide a power supply switching section for selecting and supplying power.

Further, in order to achieve the fourth object, in addition to the means for solving the first, second or third problems, the fourth object is to connect an impedance element between the electrode parts of the iron part. It is a solution.

[0015]

According to the first means for solving the above problems, the present invention provides:
When the iron part is placed on the stand part, commercial power is supplied to the iron part through the power feeding electrode part and the electrode part. The ironing unit can detect commercial power from the stand unit by the power supply detecting unit and can detect that the ironing unit is placed on the stand unit by the placement detecting unit. Therefore, it is possible to detect the placement without structural restrictions, and it is possible to realize a convenient cordless iron with a simple structure of the stand portion.

According to the second means for solving the problems, the output of the power source detection unit is timed by the timer unit, and when the commercial power is input for a predetermined time, the placement detection unit places the ironing unit on the stand unit. Since it is determined that there is a malfunction, there is no malfunction due to noise or the like, and the placement detection can be performed more reliably.

According to the third means for solving the problems, the power supply switching unit can be set to the operation mode by the power supply unit when the ironing unit is placed and the operation mode by the power storage unit when the ironing unit is detached. When detached, it can be operated for a long time by the charge of the power storage unit.

Further, by the fourth means for solving the problems, the impedance of the circuit of the ironing part is lowered to make it difficult to pick up noise and the like. Especially, the fact that the ironing part is detached from the stand part causes the noise to be generated due to the high impedance between the electrodes. It is possible to prevent the erroneous determination of being placed even though the voltage is detected and detected by detecting this voltage, and the placement can be surely detected.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG. As shown in the figure, the iron part 1 is placed on a stand part 3 having a commercial power supply 2, and the stand part 3 is provided with a power feeding electrode part 4 for supplying the iron part 1 with the commercial power supply 2. There is.

The ironing part 1 is connected to the power feeding electrode part 4 when the ironing part 1 is placed on the stand part 3,
The electrode part 5 for supplying the commercial power source 2 is provided on the iron part 1
When placed on the stand unit 3, the commercial power source 2 energizes the heater unit 8 which heats the base unit 7 through the power feeding electrode unit 4, the electrode unit 5 and the heater control unit 6 to heat the base unit 7. There is.

The power source detecting section 9 detects the commercial power source 2 from the stand section 3. The power supply unit 10 creates a power supply for driving the circuit from the commercial power supply 2, and the power storage unit 11 is charged by the power supply unit 10. The temperature detection unit 12 detects the temperature of the base unit 7, and the temperature detection unit 1
The temperature information of No. 2 is input to the heater control unit 6, and the heater control unit 6 controls energization to the heater unit 8 and adjusts the temperature of the base unit 7 to the desired temperature set by the temperature setting unit 13.

The display unit 14 is composed of a light emitting diode or the like, and displays the temperature set in the temperature setting unit 13 and the like. When the power detection unit 9 detects that the commercial power supply 2 is supplied, the placement detection unit 15 determines that the iron unit 1 is placed on the stand unit 3, and the power detection unit 7 causes the commercial power supply 2 to operate.
When it is detected that the iron is not supplied, it is determined that the iron unit 1 is separated from the stand unit 3.

According to the output of the placement detection unit 15, the power supply switching unit 16 sets the operation mode using the power supply unit 10 as a power source when the ironing unit 1 is placed on the stand unit 3, and when it is detached. The operation mode using the power storage unit 11 as a power source is set.

The operation of the above structure will be described. First, when ironing, the cordless iron is taken out of the storage place and installed at an arbitrary place, and then the iron part 1 is placed on the stand part 3. Insert the plug into the outlet and turn on the commercial power supply 2.

The commercial power source 2 is a power feeding electrode section 4 of the stand section 3.
And is supplied to the entire ironing part 1 through the electrode part 5 of the ironing part 1. When the temperature setting unit 13 is operated to set the temperature of the base unit 7 in the heater control unit 6, the heater control unit 6 inputs the temperature information of the base unit 7 from the temperature detection unit 12 and energizes the heater unit 8. Then, the display unit 14 displays the set temperature.

When the temperature of the base section 7 reaches the temperature set by the temperature setting section 13, the heater control section 6 stops energizing the heater section 8. After this, the heater control unit 6 turns on / off the power supply to the heater unit 8 so that the temperature of the base unit 7 becomes constant according to the temperature information of the temperature detection unit 12.

Further, in this state, the power supply detection unit 9 detects that the commercial power supply 2 is being supplied from the electrode unit 5, and the placement detection unit 15 detects the commercial power supply from the detection output of the power supply detection unit 9. The supply of 2 is confirmed, and it is detected that the iron unit 1 is placed on the stand unit 3.

Further, the placement detector 15 is a heater controller 6
And that the ironing section 1 is placed on the stand section 3 to the power source switching section 16, the power source switching section 16 selects the power source section 10, and the power source section 10 supplies power to the entire ironing section 1. Supply. On the other hand, power storage unit 11 is charged by power supply unit 10 in preparation for detachment of ironing unit 1.

Next, when the temperature of the base part 7 reaches a desired temperature and the iron part 1 is detached from the stand part 3 and ironed, the power feeding electrode part 4 and the electrode part 5 come off and the iron part 1 is supplied with a commercial power source. 2 is not supplied. At this time, the power supply detection unit 9 detects that the commercial power supply 2 is not supplied and outputs it to the placement detection unit 15. Then, the placement detection unit 15 uses the detection output of the power supply detection unit 9 for the commercial power supply 2
It is confirmed that the iron is not supplied and that the iron part 1 is separated from the stand part 3.

The placement detection unit 15 outputs the detection of the detached state to the heater control unit 6 and the power supply switching unit 16, and the power supply switching unit 1
6, the power source of the ironing unit 1 from the power source unit 10 to the power storage unit 11
Switch to. As a result, power is supplied from the power storage unit 11 to the entire ironing unit 1.

The power source of the heater control unit 6 is the power storage unit 11
Therefore, even when the temperature of the base unit 7 is lower than the temperature set by the temperature setting unit 13 and the heater unit 8 is energized, the energization of the heater unit 8 is cut off, and the display unit 14 The display is erased to set the operation mode such that the power is saved and the electric charge of the power storage unit 11 lasts a long time.

If the heater control unit 6 is composed of a microcomputer, the temperature detection unit 12, the temperature setting unit 13 and the display unit 14 are operated intermittently, or the frequency of the system clock is lowered. It goes without saying that the operation mode is set to reduce the current consumption of the computer and its peripheral circuits.

Next, the state in which the iron part 1 is removed from the stand part 3 and used and the iron part 1 is placed on the stand part 3 will be described. When the iron unit 1 is used and removed, the power source detection unit 9 operates on the commercial power source 2
Is not being supplied. When the iron part 1 is placed on the stand part 3 when adjusting the shape of the cloth, the power feeding electrode part 4 and the electrode part 5 are connected and the iron part 1
Is supplied with commercial power supply 2.

At this time, the power supply detection unit 9 detects that the commercial power supply 2 is supplied, and the placement detection unit 15 confirms the supply of the commercial power supply 2 by the detection output, and confirms that the commercial power supply 2 is supplied.
Is detected on the stand unit 3. Based on the placement output from the placement detection unit 15, the power supply switching unit 16
Switches the power source from the power storage unit 11 to the power supply unit 10, and the power storage unit 1
1 charges the electric charge consumed at the time of separation. The heater control unit 6 switches the operation mode of the power storage unit 11 to the operation mode of the power supply unit 10, and controls the energization of the heater unit 8 so that the base unit 7 reaches the set temperature by the output of the temperature detection unit 12.

As described above, since the placement detection is performed by detecting whether or not the commercial power source 2 is supplied to the ironing portion 1, the placement design is not restricted by the structure design like the detection method using the magnet and the reed switch. In addition to being able to detect the position, the stand unit 3 need only be configured with a minimum control circuit without constructing a complicated control circuit, which is simple, lightweight, and easy to use.

Further, the output of the placement detector 15 causes the power supply switching unit 16 to set the operation mode by the power supply unit 10 when the ironing unit 1 is placed and the operation mode by the power storage unit 11 when the ironing unit 1 is detached. , Power storage unit 11 when leaving
It lasts longer and you don't have to worry about running out of power, making ironing more comfortable.

Next, a second embodiment of the present invention will be described with reference to FIG. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. As shown in the figure, the ironing part 17 is provided with a timer part 18 connected to the power source detecting part 9, and the placement detecting part 19 is used as the power source detecting part 9.
When the commercial power supply 2 is input for a predetermined time by the timer section 18 and the iron section 17 is set to the stand section 3
I try to judge that it is placed in.

The operation of the above structure will be described with reference to FIG. 3. With the iron part 17 placed on the stand part 3, the plug is inserted into the outlet and the commercial power source 2 is turned on. Commercial power source 2
If the power is supplied, the process proceeds to step 22 and the power detection unit 9
The placement detection unit 19 confirms the supply of the commercial power supply 2 for a predetermined time through the timer unit 18 based on the detection output of.

When the commercial power source 2 is supplied for a predetermined time or longer, the process proceeds to step 23, where the placement detecting section 19 determines that the ironing section 17 is placed on the stand section 3. Further, the placement detector 19 includes the heater controller 6 and the power source switching unit 1.
It is output to the state that the ironing part 1 is placed on the stand part 3 to 6, and in step 24, the power source switching part 1
6 selects the power supply unit 10 and the ironing unit 1 from the power supply unit 10
Supply power to the whole. On the other hand, power storage unit 11 is charged by power supply unit 10 in preparation for detachment of ironing unit 1.

When the temperature of the base portion 7 reaches the temperature set by the temperature setting portion 13 in step 25, the process proceeds to step 26, and the heater control portion 6 stops energizing the heater portion 8. After this, the heater control unit 6 repeats step 26 or step 27 to turn on / off the power supply to the heater unit 8 so that the temperature of the base unit 7 becomes constant according to the temperature information of the temperature detection unit 12.

Next, when the temperature of the base portion 7 reaches a desired temperature and the iron portion 17 is removed from the stand portion 3 and ironed, the power feeding electrode portion 4 and the electrode portion 5 are detached and the iron portion 17 is supplied with a commercial power source. 2 is not supplied. At this time, in step 21, the power supply detection unit 9 detects that the commercial power supply 2 is not supplied, and outputs it to the placement detection unit 19 via the timer unit 18. Then, in step 28, the placement detection unit 19 is detected by the detection output of the power supply detection unit 9.
When it is confirmed by the timer unit 18 that the commercial power source 2 is not supplied for a predetermined time, the process proceeds to step 29, where it is determined that the iron unit 1 is detached from the stand unit 3.

The placement detection unit 19 outputs the detection of the detached state to the heater control unit 6 and the power supply switching unit 16, and the power supply switching unit 1
6 switches the power source of the ironing unit 17 from the power source unit 10 to the power storage unit 11 in step 30. This causes the power storage unit 11 to supply power to the entire ironing unit 17. Further, since the power source of the heater control unit 6 is the power storage unit 11, when the temperature of the base unit 7 is lower than the temperature set by the temperature setting unit 13 in step 31, the heater unit 8 is energized. Even then, the power supply to the heater unit 8 is cut off.

As described above, by confirming the mounting state by confirming the supply of the commercial power source 2 by the timer section 18 for a predetermined time, it becomes possible to perform the reliable mounting detection without erroneous detection due to noise or the like. The output of the placement detection unit 19 causes the power supply switching unit 16 to set the operation mode by the power supply unit 10 when the ironing unit 17 is placed and the operation mode by the power storage unit 11 when the ironing unit 17 is detached. The power storage unit 11 is made to last longer, the risk of power loss is reduced, and ironing becomes more comfortable.

Next, a third embodiment of the present invention will be described with reference to FIG. As shown in the figure, a resistance (impedance element) is provided between the electrode parts 5 of the iron part 1 of the first embodiment.
20 are connected. The other structure is the same as that of the first embodiment. Moreover, you may connect the resistance 20 between the electrode parts 5 of the iron part 17 of a 2nd Example.

In the above structure, by lowering the impedance between the electrode portions 5 by the resistor 20, noise is induced because the impedance between the electrode portions 5 is high, and this voltage is detected and released. It is possible to prevent misjudgment that the device is placed and to reliably detect the placement.
In this way, by connecting the resistor 20 between the electrode portions 5 of the ironing portion 1, it is possible to prevent noise from being erroneously determined, and it is possible to reliably detect the placement.

[0046]

As is apparent from the above embodiments, according to the present invention, the iron part detects the heater part which supplies power from the stand part to heat the base part and the commercial power source from the stand part. Whether a power source detection unit, a power source unit that generates drive power for each unit from the commercial power source, a power storage unit that stores electric charges by the power source unit, and the iron unit that is placed on the stand unit based on the output of the power source detection unit Or because it is equipped with a placement detection unit that detects whether it is detached,
The power supply detector detects commercial power from the stand,
The detection output can detect that the ironing part is placed on the stand part by the placement detecting part, can eliminate structural restrictions on the placement detection, and can simplify the configuration of the stand part, The usability can be improved.

Further, the ironing section is provided with a timer section connected to the power source detecting section, and the placement detecting section measures the output of the power source detecting section by the timer section and the ironing section is operated when the commercial power is input for a predetermined time. Since it is determined that the device is mounted on the stand portion, there is no malfunction due to momentary noise or the like, and the mounting detection can be performed more reliably.

Further, since the ironing part is provided with the power source switching part for selecting and switching the driving power source of the ironing part from the power source part or the power storage part according to the output of the placement detecting part, the power source switching part is the power source part when the iron is placed. To the operation mode by
When the iron is removed, the power storage unit can be set to the operation mode, and the power storage unit also lasts longer, which reduces the risk of power failure and makes ironing more comfortable.

Further, since the impedance element is connected between the electrode parts of the iron part, the impedance between the electrode parts is lowered, and noise is induced because the impedance between the electrode parts is high, and this voltage is detected and disconnected. However, it is possible to prevent the erroneous determination that it is placed, and to reliably detect the placement.

[Brief description of drawings]

FIG. 1 is a block diagram of a cordless iron according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a cordless iron according to a second embodiment of the present invention.

FIG. 3 is an operation flowchart of the cordless iron.

FIG. 4 is a circuit diagram showing a configuration of a cordless iron electrode portion according to a third embodiment of the present invention.

FIG. 5 is a partially cutaway side view of a conventional cordless iron.

FIG. 6 is a circuit diagram of a placement detector of the cordless iron.

FIG. 7 is an operation explanatory view of the cordless iron.

[Explanation of symbols]

 1 Ironing Part 2 Commercial Power Supply 3 Stand Part 4 Feeding Electrode Part 5 Electrode Part 7 Base Part 8 Heater Part 9 Power Supply Detecting Part 10 Power Supply Part 11 Power Storage Part 15 Placement Detection Part

Claims (4)

[Claims] 1. An iron part, and a stand part having a commercial power source for mounting the iron part, wherein the iron part comprises a base part and a heater part for heating the base part.
An electrode portion for supplying power to the heater portion from the stand portion, a power source detection portion for detecting commercial power source from the stand portion, a power source portion for generating drive power for each portion from the commercial power source, and a charge for the power source portion. And a placement detecting unit that detects whether the ironing unit is placed on the stand unit or separated from the stand unit according to the output of the power source detecting unit, and the stand unit includes the electrode. Cordless iron equipped with a power supply electrode part that is connected to the iron part and supplies commercial power to the iron part. 2. The ironing part is provided with a timer part connected to the power source detecting part, and the placement detecting part measures the output of the power source detecting part by the timer part and irons when commercial power is input for a predetermined time. The cordless iron according to claim 1, wherein it is determined that the portion is placed on a stand portion. 3. The cordless iron according to claim 1, wherein the ironing section is provided with a power source switching section for selecting and supplying a driving power source for the iron from a power source section or a power storage section according to the output of the placement detecting section. 4. The cordless iron according to claim 1, wherein an impedance element is connected between the electrode parts of the iron part.