CN2787707Y

CN2787707Y - Electric steam iron

Info

Publication number: CN2787707Y
Application number: CN 200520200081
Authority: CN
Inventors: 黄实雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-02-07
Filing date: 2005-02-07
Publication date: 2006-06-14
Anticipated expiration: 2015-02-07

Abstract

The utility model relates to a steam electric iron which comprises an ironing head casing provide with a water charging can and a steam can. The utility model is characterized in that a water supply pipe provided with an electric pump is arranged between the water charging can and the steam can; an electric heating device and a probe of a water level sensor are arranged in the steam can; a steam outlet of the steam can is led to an air injection pore passage of the ironing head casing; a probe of a temperature sensor and the other electric heating device are arranged on the ironing head casing. The working circuit of the utility model is a single chip computer control circuit; the input end of the single chip computer control circuit is respectively connected with the water level sensor and the temperature sensor; the output end of a single chip computer is connected with a relay control circuit which controls the electric pump and the other electric heating device arranged on the ironing head casing to work respectively through a relay 1 and a relay 2. The utility model not only is favorable for automatically and accurately controlling the temperature of the ironing head casing but also is favorable for automatic controlling a water level in the steam can to maintain a proper position so as to guarantee that ironing work is processed normally.

Description

Steam and dry iron

Technical field

The utility model relates to a kind of steam and dry iron.

Background technology

Existing steam and dry iron miscellaneous is to adopt bimetal leaf to regulate the temperature of pressing head basically at present, and to satisfy the temperature requirements difference of flatiron different materials article, in use ubiquity the excessive problem of temperature deviation.In addition, owing to can't accurately control the water yield in the vapor can, often be anhydrous or water yield supplementing water more just in the vapor can by the time, this moment on the one hand when the water yield is very few, meeting dry combustion method in the vapor can and do not have steam, on the other hand, when replenishing big water gaging quickly, the water temperature in the vapor can is descended a lot, wait for a long time just has the steam ejection, and can have a large amount of moisture in the steam of ejection, thereby bring a lot of inconvenience for user's use.

Summary of the invention

The purpose of this utility model is to provide a kind of steam and dry iron, and this device not only helps automatically accurately control and presses the temperature of head capsule body, and helps controlling automatically the water level maintenance appropriate location in the vapor can, thereby guarantees normally carrying out of the work of pressing

The utility model is to constitute like this, it comprise have add water pot and vapor can press the head capsule body, it is characterized in that: (1) described adding, be provided with the supply channel with electrodynamic pump between water pot and the vapor can, be provided with the probe of electric heater unit and level sensor in the described vapor can, the steam (vapor) outlet of vapor can leads to the jet duct press the head capsule body, describedly presses probe and another electric heater unit that the head capsule body is provided with temperature sensor; (2) its operating circuit is a single chip machine controlling circuit, the input of described single chip machine controlling circuit is connected with temperature sensor with level sensor respectively, the output of single-chip microcomputer is connected with control relay circuit, and described control relay circuit is controlled electrodynamic pumps and is located at another electric heater unit work of pressing on the head capsule body through relay one and relay two respectively.

During work, add water in the water pot and be transported in the vapor can by electrodynamic pump and supply channel and heat, produce steam, the steam of generation is delivered to the ejection of jet duct by steam (vapor) outlet, for the usefulness of people's ironing clothes.Owing to pressing probe and another electric heater unit that is provided with temperature sensor on the head capsule body, when pressing head capsule body too high or too low for temperature, can both temperature signal accurately be inputed to single chip machine controlling circuit by the probe of temperature sensor, then give relay two by the single chip machine controlling circuit output order, the work of another electric heater unit on the head capsule body is pressed in control, is in suitable temperature thereby guarantee to press the head capsule body.On the other hand, owing to also be provided with the probe of the level sensor that is connected to single chip machine controlling circuit in the vapor can, thereby when the water level in the vapor can changes, the probe of level sensor can in time feed back to single chip machine controlling circuit with this water level signal, give relay one by the single chip machine controlling circuit output order, the running of control electrodynamic pump is to replenish the water source off and in vapor can, thereby both prevented hypervolia and made steam have excess moisture, can prevent to make the vapor can dry combustion method again because of the water yield is very few.In addition, also can be by the programming of single-chip microcomputer, make electrodynamic pump when vapor can is intake, only replenish low amounts of water at every turn, after it is fully vaporized, then replenish again, so the several times amount of makeup water is supplied fully until the water yield, can obtain steam (being less than 5 seconds usually) during with the assurance water inlet in the shortest time.

Than prior art, the utility model has been owing to adopted single chip machine controlling circuit, not only helps realizing the accurate control to temperature, water level and water yield, and guaranteed user's the safety and the high efficiency of use, greatly facilitates user's use.

Description of drawings

Fig. 1 is the utility model embodiment organigram.

Fig. 2 is the utility model ironing board blower fan counter-rotating blowing schematic diagram.

Fig. 3 is that the utility model ironing board blower fan is just changeing the air draught schematic diagram.

The specific embodiment

The utility model embodiment comprise have add water pot 1 and vapor can 2 press head capsule body 3, it is characterized in that: (1) described adding, be provided with the supply channel 5 with electrodynamic pump 4 between water pot and the vapor can, be provided with the probe of electric heater unit 6 and level sensor 9 in the described vapor can, the steam (vapor) outlet 7 of vapor can leads to the jet duct 8 of pressing the head capsule body, describedly presses probe and another electric heater unit 11 that the head capsule body is provided with temperature sensor 10; (2) its operating circuit is a single chip machine controlling circuit, the input of described single chip machine controlling circuit is connected with temperature sensor with level sensor respectively, the output of single-chip microcomputer 12 is connected with control relay circuit 13, and described control relay circuit is controlled electrodynamic pumps and is located at another electric heater unit 11 work of pressing on the head capsule body through relay 1 and relay 2 16 respectively.

Vapor (steam) temperature and pressure for the ease of in the control vapor can also are provided with steam pressure switch 14 on the above-mentioned vapor can housing, and the control contact of the electric heater unit that the signal output part of this steam pressure switch is interior with being located at vapor can is connected.After the electric heater unit heating steam in the vapor can is moved to steam pressure switch, promptly disconnect the control contact of electric heater unit, it is quit work.

In addition, also be provided with and press the ironing board 17 of head capsule body cooperating, described ironing board middle part is provided with wind hole 18, be provided with the blowing counter-rotating blower fan 20 that is just changeing blower fan 19 and upwards blowing away in order to the dust impurity that will drop on the ironing board in order to the air draught that will be dropped in the downward sucking-off of the globule on the ironing board in the wind hole, the output of described control relay circuit is respectively through relay 3 21 and relay 4 22 control air draughts just commentaries on classics blower fan and the work of blowing counter-rotating blower fan.

Above-mentioned single-chip microcomputer is PIC16F818.

For the ease of showing the working condition of whole single chip machine controlling circuit, above-mentioned single-chip microcomputer is connected with LCD display or VFD display screen 23.

Above-mentioned temperature sensor is a thermistor.

The utility model has following characteristics in the specific implementation:

(1) can select to press the temperature of head capsule body according to the dress material of being pressed by man-machine interface.Every kind of dress material all has upper, middle and lower third gear temperature optional.Detect by thermistor and to control the break-make of pressing the electric heater unit on the head capsule body, press head capsule body temperature degree thereby control.Accuracy can reach ± and 5 ℃, avoided existing electric iron to use the bimetal leaf thermosistor to bring ± 20 ℃ of deviations.

(2) be detected in the vapor can when anhydrous, electrodynamic pump interrupted tens of seconds after the energising several seconds earlier again, so repeated for several times.Thereby the steam that provides enough will be to pressing the head capsule body but the electric heater unit in the vapor can will be worked always, therefore can avoid the water of glut quickly and to cause the vapor can temperature to descend too fast, need to wait for the problem that steam was just arranged in 2-3 minute.

(3) when water level in the vapor can not to and electrodynamic pump worked and do not reached then alarm lack of water of water level yet after the scheduled time, to prevent the vapor can dry combustion method.

(4) the vapor can inner bottom part is established temperature protection switch and is prevented dry combustion method.

(5) the vapor can top can be established when safety valve guarantees the steam pressure switch inefficacy and can be discharged too high pressure.

(6) duty of whole electric iron shows by display screen (LCD or VFD).

The utility model is simple structure, control convenience not only, and safe in utilization, high efficiency, has bigger application value.

Claims

1. steam and dry iron, comprise have add water pot and vapor can press the head capsule body, it is characterized in that: (1) described adding, be provided with the supply channel with electrodynamic pump between water pot and the vapor can, be provided with the probe of electric heater unit and level sensor in the described vapor can, the steam (vapor) outlet of vapor can leads to the jet duct press the head capsule body, describedly presses probe and another electric heater unit that the head capsule body is provided with temperature sensor; (2) its operating circuit is a single chip machine controlling circuit, the input of described single chip machine controlling circuit is connected with temperature sensor with level sensor respectively, the output of single-chip microcomputer is connected with control relay circuit, and described control relay circuit is controlled electrodynamic pumps and is located at another electric heater unit work of pressing on the head capsule body through relay one and relay two respectively.

2. steam and dry iron according to claim 1 is characterized in that: also be provided with steam pressure switch on the described vapor can housing, the control contact of the electric heater unit that the signal output part of this steam pressure switch is interior with being located at vapor can is connected.

3. steam and dry iron according to claim 1 and 2, it is characterized in that: the ironing board that also is provided with and presses head capsule body cooperating, described ironing board middle part is provided with the wind hole, being provided with air draught in the wind hole is just changeing blower fan and blowing counter-rotating blower fan, and the output of described control relay circuit is respectively through relay three and relay four control air draughts just commentaries on classics blower fan and the work of blowing counter-rotating blower fan.

4. steam and dry iron according to claim 3 is characterized in that: described single-chip microcomputer is PIC16F818.

5. steam and dry iron according to claim 4 is characterized in that: described single-chip microcomputer is connected with LCD display or VFD display screen.

6. steam and dry iron according to claim 5 is characterized in that: described temperature sensor is a thermistor.