CN1312962C

CN1312962C - Steam cleaner

Info

Publication number: CN1312962C
Application number: CNB021488304A
Authority: CN
Inventors: 金郑喆; 南贤植; 朴龙乭; 李映佑; 柳湖善
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2002-11-18
Filing date: 2002-11-18
Publication date: 2007-04-25
Anticipated expiration: 2022-11-18
Also published as: CN1500566A

Abstract

The present invention relates to a steam cleaner. The steam cleaner comprises a casing, a pressure container and a steam generator, wherein the pressure container and the steam generator are arranged in the casing; the steam generator comprises a magnetic coil, a high-frequency generator and an induction heat generation component, wherein the magnetic coil is arranged outside the bottom wall of the pressure container; the high-frequency generator generates high-frequency current and is connected with the magnetic coil; the induction heat generation component is arranged on the inner bottom of the pressure container. In the steam cleaner, the induction heat generation component directly transfers heat to water to generate steam, and thus, the steam cleaner has characteristics of direct and fast heat transfer, small heat loss, high thermal efficiency, improved steam generation effect and short steam generation time. Simultaneously, because the induction heat generation component is arranged in the pressure container, the surface temperature of the pressure container can be easily reduced, the distance between the pressure container and the casing of the steam cleaner can be correspondingly decreased, and the volume of the steam cleaner is smaller under the condition with the same volume.

Description

Steam cleaner

Technical field

The present invention relates to a kind of steam cleaner, particularly relate to a kind of induction heating equipment that has, utilize the water in the induced current heated pressure container and produce the steam cleaner of steam.

Background technology

See also shown in Figure 1ly, in general, the floor tile of toilet, stupid stain on glass and the clean of pasting the dust etc. in jail bother time-consuming, effort very much.Existing steam cleaner is to utilize the high-temperature steam that ejects to remove these stupid stains, dust etc., then is very easy to.Existing steam cleaner structure is made up of housing 110, pressure vessel 120, steam generator 130 and steam jet ejector 140.Wherein pressure vessel 120 is the pressure water tanks 121 with energy splendid attire water and steam of certain volume, and the roof of pressure water tank 121 is provided with water filling port 122, is provided with the seal cover 123 that can bear pressure in the pressure water tank 121 in the water filling port 122.Pressure water tank 121 sidewalls or roof are provided with safety valve 124, and the effect of safety valve 124 is to prevent that pressure water tank 121 internal pressures are excessive and cause danger, and promptly when the pressure in the water tank 121 surpassed set point, safety valve 124 was opened automatically, and pressure release guarantees safety.Steam generator 130 comprises the sensing controler 32 of temperature and pressures in the heater 131 that is installed in pressure vessel 120 diapires outsides and the monitor force water tank 121.Wherein the effect of heater is to make electric energy to be transformed into heat energy, and heated pressure water tank and interior water thereof make the water in the water tank be transformed into water vapour.Steam jet ejector 140 comprises the steam jet 142 that is communicated to steam discharge pipe 141 also overhanging on the pressure water tank 121 and is installed in steam discharge pipe 141 ends, and the flow control valve 143 of control quantity of steam also is installed on the steam discharge pipe 141.

The course of work of existing steam cleaner is described below:

Open the seal cover 123 of water filling port 122 on pressure water tank 121 roofs, put into a certain amount of water after, cover seal cover 123; Heater 131 energized that pressure water tank 121 diapires are outer, produce heat, heated pressure water tank 121, water in the pressure water tank 121 are heated and produce high-temperature steam, high-temperature steam is ejected into institute by steam discharge pipe 141, flow control valve 143 and steam jet 142 will cleaning place, the spot on cleaning objects surface, dust etc. easily.

In general, the pressure set points in the pressure water tank 121 is according to the difference of product material, kind and difference generally clung to (1 millibar of pressure that equals 0.75 millimeter of mercury) at 3-5.Along with the prolongation of heater heats time, the temperature and pressure in the pressure water tank 121 constantly rises, and when reaching set point, by temperature sensing controller control heater 131, makes the water vapour of pressure water tank 121 inside maintain constant state; And abnormal operation is when making hypertonia, and pressure water tank 121 has the danger of blast, so when surpassing design temperature, force value, safety valve 124 is open automatically, pressure release.

Above-mentioned prior art, though can provide user one to have to save time, the steam cleaner of laborsaving, effect convenient for cleaning, really has progressive, but when using, reality but finds also to have in its structure some shortcomings, cause this steam cleaner in practical application, fail to reach best result of use, and its shortcoming can be summarized as follows:

During work, because heater 131 first heated pressure water tanks 121, pressure water tank 121 produces steam again with its inner water of heat transferred, and the heat transfer step is many, and thermal loss is big, and the heat efficiency is low, and warm-up time is long; Simultaneously pressure vessel 121 and heater 131 are in the condition of high temperature, and housing easily produces thermal deformation, variable color, rotten, and institute thinks and avoids housing distortion as far as possible, just needs spaced apart between pressure vessel and the housing.The overall dimension of steam cleaner is more much bigger than the volume of the pressure vessel that is filled with water like this.

This shows that above-mentioned existing steam cleaner still has many defectives, and the assistant officer waits to be improved.

Because there is low, the bulky defective of the heat efficiency that can't overcome in above-mentioned existing steam cleaner, the design people is based on abundant practical experience and professional knowledge, actively studied innovation, through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.

Summary of the invention

Technical problem underlying to be solved by this invention is, overcomes the defective that existing steam cleaner exists, and a kind of little steam cleaner of heat efficiency height, volume of new structure is provided.

The present invention solves its technical problem underlying and realizes by the following technical solutions.Steam cleaner according to the present invention's proposition, comprise housing, be arranged on pressure vessel and steam generator in the housing, wherein said steam generator comprises magnetic coil, generation high-frequency current and radio-frequency generator that is connected with described magnetic coil that is arranged on pressure vessel diapire outside and the induction heat generating member that is placed on the pressure vessel inner bottom part, and wherein said induction heat generating member is a plurality of Metal Ball or net metal dish or sheet metal.

The present invention solves its technical problem and can also adopt following technical measures further to realize.

Aforesaid steam cleaner, wherein said Metal Ball movably is deposited in the inner bottom part of pressure vessel.

The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, steam generator in the steam cleaner of the present invention comprises radio-frequency generator, magnetic coil and induction heat generating member, wherein magnetic coil is arranged on pressure vessel diapire outside, the induction heat generating member is placed on the pressure vessel inner bottom part, after magnetic coil feeds alternating current, produce magnetic field, has thermal effect so in the induction heat generating member, produce induced current, these heats are directly passed to water, produce water vapour, so heat transmission has directly, characteristics fast, thermal loss is little, correspondingly heat efficiency height improves the steam generation effect thus, shortens the steam generation time; Simultaneously, because the induction heat generating member is placed in the pressure vessel, helps reducing the Surface Pressure Vessel temperature, and is relative smaller with the distance between the steam cleaner housing with regard to the authorized pressure container like this, so under the identical situation of pressure vessel volume, the volume of steam cleaner of the present invention is little.

In sum, steam cleaner of the present invention, it is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.

The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of existing steam cleaner;

Fig. 2 is the sectional structure schematic diagram of steam cleaner of the present invention;

Fig. 3 is the sectional structure schematic diagram of an embodiment of induction heating equipment in the steam cleaner of the present invention;

Fig. 4 is the sectional structure schematic diagram of another embodiment of the induction heating equipment of steam cleaner of the present invention;

Fig. 5 is the sectional structure schematic diagram of another embodiment of the induction heating equipment of steam cleaner of the present invention.

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment, to the steam cleaner that foundation the present invention proposes, its embodiment, structure, feature and effect thereof, describe in detail as after.

See also Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, steam cleaner of the present invention, it mainly comprises: housing 110, be arranged on pressure vessel 120 and steam generator 130 in the housing 110.Wherein said steam generator 130 comprises radio-frequency generator 131 that high-frequency current takes place, is arranged on pressure vessel 120 diapires outside and magnetic coil 132 that is connected with described radio-frequency generator 131 and the induction heat generating member that is placed on pressure vessel 120 inner bottom parts.Wherein the high-frequency current frequency is 30KHz, and its frequency all is feasible between 20-40KHz; Described induction heat generating member is the sheet metal 133b (see figure 5) of a plurality of Metal Ball 133 (see figure 3)s or net metal dish 133a (see figure 4) or the arrangement of shark's fin shape, and the induction heat generating member also can be big surface area of having of other shapes and the faradic metalwork of energy.Steam cleaner of the present invention also is provided with temperature, pressure induction controller (not shown), and its effect is identical with temperature, pressure induction controller in the existing steam cleaner.

Be the course of work that example illustrates steam cleaner of the present invention below with Fig. 3:

Open the seal cover 123 of pressure water tank 121 upper wall water filling ports 122, after injecting a certain amount of water, cover seal cover 123, energized, high-frequency current produces the magnetic line of force around making magnetic coil 132, thereby make the Metal Ball pulsing electric current of diapire in the pressure vessel 121, Metal Ball resistance is very big, can produce a large amount of heats, water in the direct heated pressure container of these heats 121 and produce high-temperature steam fast, high-temperature steam is ejected into institute by steam discharge pipe 141, flow control valve 143 and steam jet will can carry out clean in the cleaning place.Steam cleaner of the present invention has shortened the time that water converts water vapour to widely because Metal Ball directly contacts with water, and contact area is big, has improved the heat efficiency simultaneously.In addition, because Metal Ball movably is deposited in pressure vessel 121 inner bottom parts, the contact area of itself and water is very big, heat transfer efficiency height not only, and also when steam cleaner tilted, these Metal Ball were movable to the ponding place, thus can produce steam constantly.

The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of steam cleaner, comprise housing (110), be arranged on pressure vessel (120) and steam generator (130) in the housing (110), described steam generator (130) comprises the magnetic coil (132) that is arranged on pressure vessel (120) diapire outside, the induction heat generating member that high-frequency current and the radio-frequency generator (131) that is connected with described magnetic coil (132) takes place and be placed on pressure vessel (120) inner bottom part is characterized in that wherein this induction heat generating member is a plurality of Metal Ball that are stacked together (133) or a plurality of net metal dish (133a) or plural pieces sheet metal (133b).

2, steam cleaner according to claim 1 is characterized in that wherein said Metal Ball (133) movably is deposited in the inner bottom part of pressure vessel (121).