CN102188727B - Antiseptic vacuum cleaner - Google Patents

Abstract

The invention relates to an antiseptic vacuum cleaner with reinforced antiseptic ability, making use of a dust collecting barrel of which the inner part is coated with photochemical catalyst to kill the bacteria.

Description

Antiseptic vacuum cleaner

Technical field

The dust bucket that the present invention relates to utilize internal coat to have photocatalyst is put to death the vacuum cleaner of the strengthening sterilizing ability of antibacterial.

Background technology

As existing vacuum cleaner, known have a disclosed technology of patent documentation 1.

As shown in Figure 15 and Figure 16, in the vacuum cleaner of patent documentation 1, be disposed at the rear of the punch panel 21 of beating unit 20 as the Burdick lamp 41 of the ultraviolet generation part 40 of disinfection component.In addition, be formed with suction inlet 13a, 13b at the rear of punch panel 41, above suction inlet 3a, dispose Burdick lamp 41.

By this configuration, knock after cleaned object the foreign body swimming insects such as () dust, antibacterial, demodicid mite classes is sterilized while order that vacuum sucks is carried out according to punch panel 21 first.

According to this clean order, for dust, easily float when knocking and be convenient to carry out vacuum suction, even if but do not have dead demodicid mite class etc. to knock difficult drop-off yet, float, and directly residue in cleaned object, cause bactericidal effect significantly decline (insect difficult drop-off is because impact force is relatively low, causes the increase of beating unit size if strengthen impact force).

In addition,, because suction inlet 13a and Burdick lamp 41 are disposed at upper and lower identical position, although can realize at short notice sterilization, sterilization needs 15 minutes above long periods.

That is, ultraviolet, as the mode sterilizing with specific wavelength, sterilizes and will consume the longer time insects such as demodicid mite classes, and bactericidal effect significantly declines, and therefore sterilization only only limits to form, does not have actual bactericidal action.

On the other hand, if pile up foreign body as the first filter 31 of dust bucket, because the breeding activity that does not have dead antibacterial pollutes indoor.

In addition, because suction inlet 13a, 13b are formed on the bottom surface of main body 10, so in the time that the dry goods such as quilt, carpet or curtain are cleaned, owing to promoting forward to clean under the state being adsorbed onto to a certain degree suction inlet 13a, 13b, if so dry goods is not tightened, be difficult for cleaning.

On the other hand, as shown in figure 15, first and second filter 31,33 is for filtering foreign bodies such as the airborne dust that is drawn into main body 10 inside, antibacterial, insects, releasably be arranged at filter installation room 11, the second filters 33 and be releasably arranged at the outside of exhaust portion 17 as the first filter 31 of dust bucket.First and second filter 31,33 possesses respectively first and second filter element 32,34 for filtering foreign body.The second filter element 34 has the more dense structure of the first filter element 32 frequently, and the small foreign body not being filtered in first component 32 is filtered in the second filter element 134.And the hot blast producing from fan electromotor 136 is fed into the second filter house 33 and antibacterial or the insect of being filtered by the second filter element 34 is sterilized.The second filter house 33 has for the grid portion 35 of removing the Bas Discharged of foreign body.

But the first filter 31 is owing to only removing foreign body by the first filter element 32, and the antibacterial being present in foreign body is not sterilized, so become the hotbed of antibacterial as the first filter 31 of dust bucket.

On the other hand, existing beating unit is recorded to some extent in patent documentation 2.

As shown in FIG. 17 and 18, existing beating unit comprises: be arranged at the electric magnet 10 of vacuum cleaner body interior '; Swing arm 20 ', its central part 22 ' be hinged, a side and permanent magnet 21 ' combination, in the time of electric magnet 10 ' vibration by the central part 22 that is hinged ' centered by swing up and down motion; A pair of impacting rod 31 ', 32 ', they be arranged at respectively swing arm 20 ' the both sides of central part, in the time of swing arm 20 ' swing, impact clean object.

But, due to swing arm 20 ' swing up and down centered by fixed hinge point motion, therefore swing arm 20 ' center be 0, the motion that swings up and down of swing arm 20 ' both sides is highly amplitude size, exists and limits.

In addition, owing to only implementing to impact by swinging up and down motion, and impacting rod 31 ', 33 ' impact obliquely cleaned object, therefore impact effect relatively poor.

In addition, due to be swing arm 20 ', central part 22 ', impacting rod 31 ', 32 ' respectively assembled structure, therefore parts and assembling procedure are more.

Patent documentation 1: No. 20-2009-9237th, the open utility model of Korea S

Patent documentation 2: No. 20-2009-11457th, the open utility model of Korea S

Summary of the invention

The present invention proposes in order to address the above problem, and its object is to provide a kind of vacuum cleaner of the sterilizing ability that plays the simple in structure of photocatalyst effect and strengthening dust bucket inside.

For achieving the above object, the related vacuum cleaner of technical scheme 1 of the present invention, its main body is provided with vacuum cleaning assembly, above-mentioned vacuum cleaning assembly comprises the suction inlet of the bottom surface that is formed at aforementioned body, be arranged at aforementioned body inside suction motor and be arranged at dismantledly the dust bucket mounting groove that is formed at aforementioned body top, in above-mentioned dust bucket mounting groove, be formed with the first stream intercommunicating pore and the second stream intercommunicating pore, this the first stream intercommunicating pore forms the stream between above-mentioned suction inlet and above-mentioned dust bucket, this the second stream intercommunicating pore forms the stream between above-mentioned dust bucket and above-mentioned suction motor, inside at above-mentioned dust bucket forms photocatalytic coating, in above-mentioned dust bucket mounting groove, be provided with the light irradiation element to above-mentioned dust bucket internal irradiation light.

According to this structure, due to from external irradiation light, therefore simple in structure, can strengthen sterilization (sterilizing and the parasite killing) ability of dust bucket inside.

The related vacuum cleaner of technical scheme 2 of the present invention, above-mentioned dust bucket is made up of transparent material.Because the irradiation of light is fully delivered to dust bucket inside, therefore can significantly improve photocatalysis.

The related vacuum cleaner of technical scheme 3 of the present invention, in aforementioned body, be also provided with above-mentioned cleaned object is applied to the pasteurization assembly that heat sterilizes, above-mentioned pasteurization assembly comprises and is arranged at the bottom surface of aforementioned body and the hot plate directly contacting with above-mentioned cleaned object and the ptc heater that above-mentioned hot plate is heated.

According to this structure, owing to putting to death antibacterial or insect by direct heating, therefore can in 3 seconds, put to death the insects such as demodicid mite class.

As seen from the above description, the invention of the present embodiment has following effect.

Inside at dust bucket forms photocatalytic coating, and the light irradiation element to dust bucket internal irradiation light is set in dust bucket mounting groove, due in outside light irradiation, therefore omit electric wire etc. and be drawn out to outside distribution structure from dust bucket inside, therefore simple in structure, can strengthen sterilization (sterilizing and the parasite killing) ability of dust bucket inside.

In addition, dust bucket is formed by transparent material, because the irradiation of light is directly delivered to dust bucket inside, therefore can significantly improve photocatalysis.

Put to death insect owing to utilizing stable ptc heater to carry out direct heating, therefore can in 3 seconds, kill demodicid mite class etc., in the elimination of the demodicid mite class of bedding etc., there is superior effect.

Brief description of the drawings

Fig. 1 and Fig. 2 are the axonometric chart of the above and below of the vacuum cleaner of the preferred embodiment of the present invention.

Fig. 3 is the exploded perspective view for the main stream of presentation graphs 2.

Fig. 4 is the upward view of Fig. 3.

Fig. 5 is the axonometric chart of removing after upper body.

Fig. 6 is the axonometric chart of removing hammer bank and sucking the top of the lower case after motor.

Fig. 7 is the top view of removing in Fig. 1 after dust bucket.

Fig. 8 is the cutaway view of the 8-8 line of Fig. 4.

Fig. 9 is the cutaway view of the 9-9 line of Fig. 4.

Figure 10 is the cutaway view of the 10-10 line of Fig. 4.

Figure 11 is the axonometric chart of seeing from the bottom surface of dust bucket.

Figure 12 is the exploded perspective view of hammer bank.

Figure 13 is the axonometric chart of the major part of hammer bank.

Figure 14 is the top view of Figure 13.

Figure 15 is the bottom isometric view of existing vacuum cleaner.

Figure 16 is the cutaway view of Figure 15.

Figure 17 is the axonometric chart of the beating unit of existing vacuum cleaner.

Figure 18 is the cutaway view of the II-II line of Figure 17.

Label declaration

100: impact assembly; 110: hammer bank; 120: vibrating arm; 120a: base plate; 120b: biside plate; 121: Magnet installing rack; 123; Connecting portion; 125; Instrument access hole; 130: impact portion; 131: punch panel; 132: impact projection; 133: axial region; 133a: insertion groove; 134: polygon upper end; 135: seal member; 140: resiliency supported portion; 141: support chip; 143: gripper shoe; 145: connecting plate; 146: connecting hole; 170: vibrating mass; 180: electric magnet; 190: permanent magnet; 200:PCB; 300: sterilization module; 310: hot plate; 311,313; Upper and lower hot plate; 314: insert space; 315: connecting plate; 330: electric heater (ptc heater); 350: heater holder housing; 351,353: electric wire fairlead; 500: vacuum cleaning assembly; 510: suction inlet; 511: suction tank; 513: side suction inlet; 515: grid; 520: import and flow into road; Import at 521: the first and flow into road; 522: flow into guided plate; Import at 523: the second and flow into road; 530: suck motor; 540: high efficiency particle air filter; 545: cover; 550: dust bucket; 551: control of dust shell; 552: handle; 553: inflow entrance; 555: flow export; 557: filter house; 560: light irradiation element; 700: main body; 701: wheel; 710: lower case; 711: through hole; 711a: insert projection; 713: filter holder housing accommodating groove; 730: handle; 750: upper body; 760: dust bucket mounting groove; 761: the first stream intercommunicating pores; 763: the second stream intercommunicating pores; 765: outlet.

Detailed description of the invention

Below, with reference to accompanying drawing, the preferred embodiments of the present invention are described, but for existing identical part, the label that labelling is identical, omits detailed explanation.

In addition, this term of the sterilization of recording in description of the present invention and claims is the concept of the broad sense that comprises eliminating bacteria and insect, and especially the parasite killing of narrow sense refers to the concept eliminating destructive insects, in order to emphasize that this point distinguishes and use with sterilization.

In addition, for vacuum cleaner of the present invention, only use have sterilize+impact+cleaner of these three kinds of functions of vacuum describes, but those of ordinary skill in the art is obviously clear can also be with having sterilization+vacuum or the cleaner of these two kinds of functions of impact+vacuum is realized, the cleaner that therefore only use has three kinds of functions describes.

Fig. 1 and Fig. 2 are the axonometric chart of the above and below of the vacuum cleaner of the preferred embodiment of the present invention, and Fig. 3 is the exploded perspective view of the main stream of presentation graphs 2, the upward view that Fig. 4 is Fig. 3.

As shown in Figures 1 to 4, vacuum cleaner of the present invention comprises: what impact cleaned object impacts assembly 100; The sterilization module 300 that the foreign body of above-mentioned cleaned object is sterilized; Suck and collect the vacuum cleaning assembly 500 of above-mentioned foreign body; And installation impacts the main body 700 of assembly 100, sterilization module 300 and vacuum cleaning assembly 500.

Especially, the sterilization module 300 of vacuum cleaner of the present invention is disposed at the front that impacts assembly 100, so first to the antibacterial in the foreign body of cleaned object and insect sterilize (sterilizing or parasite killing) eliminate after knock, therefore the antibacterial dying and insect are convenient to come off and sucked by vacuum from cleaned object, and result is very totally clean.

Main body 700 is formed by lower case 710 upper body 750 that form profile.Preferably, in upper body 750, handle 730 is set.

Impacting assembly 100 is made up of hammer bank 110 and the vibrating mass 170 on the top that is arranged at lower case 710.

As shown in Fig. 5 and Figure 12, hammer bank 110 involving vibrations bars 120, be arranged at vibrating arm 120 left and right sides the portion that impacts 130 and be fixed on the central lower surface of vibrating arm 120 and the resiliency supported portion 140 that supports.

As shown in figure 13, vibrating arm 120 is configured to the beam of the groove cross section shape being made up of base plate 120a and biside plate 120b.

In addition, be formed with the Magnet installing rack 121 for mounting permanent magnet 190 at a side of vibrating arm 120.

In addition on the base plate 120a of vibrating arm 120, be formed with and the connecting portion 123 that impacts portion 130 and be connected.

Resiliency supported portion 140 is configured to upper end and is fixed in the S word shape of the bottom surface of base plate 120a.

The resiliency supported portion 140 of this S word shape, not only makes vibrating arm 120 swing up and down motion under the effect of vibrating mass 170 and vibrates, also by swinging up and down the repercussions of motion and himself also up-down vibration.

Thereby vibrating arm 120 not only plays and swing up and down the effect of the fulcrum of motion in resiliency supported portion 140, himself is up-down vibration also, therefore can significantly amplify the whole amplitude impacting, and because the effect of knocking increases, can easily brush lightly dust etc.

In addition, the upper end of resiliency supported portion 140 is fixed in the bottom surface of base plate 120a, therefore without assembling as two parts as in the past, and can carry out integral injection molding, and therefore assembling procedure significantly reduces.

Resiliency supported portion 140 is S font state, and with existing hinges fixing phasing ratio, the height between punch panel 131 and connecting portion 123 increases.

If highly increase as described above, heavier owing to impacting portion 130 self, so in the identical interior number of times minimizing that can impact that applies, it is therefore preferable that vibrating arm 120 forms the form that two side portions is lower than mid portion with the vibrating mass 170 of same capability.

On the other hand, although the lower end of resiliency supported portion 140 can be installed to lower case 710 with bar, in order stably to support, preferably support chip 141 forms as one.

Support chip 141 is made up of the gripper shoe 143 that the lower end of resiliency supported portion 140 is supported and the connecting plate 145 of the both sides that are formed at gripper shoe 143.On connecting plate 145, be formed with connecting hole 146.

On the other hand, as shown in Figure 10 and Figure 14, in order to be connected to lower case 710 with screw via connecting hole 146, preferably, on base plate 120a and above connecting hole 146, form instrument gateway 125.If attachment screw can produce connecting hole upward from the bottom surface of lower case, and there is the probability that enters dust etc. via this connecting hole, so preferably, connect downwards from top, to realize sealing.

As shown in figure 12, impact portion 130 by punch panel 131 with supporting the axial region 133 being connected with connecting portion 123 under the state of this punch panel 131.The upper end 134 of axial region 133 and the lower surface of connecting portion 123 form polygon, prevent that thus axial region 133 from rotating arbitrarily relative to connecting portion 123.

Preferably, be formed with multiple projections 132 that impact at the lower surface of punch panel 131.

Axial region 133 is configured in the through hole 711 that is formed at lower case 710, to move up and down.

In addition, preferably, between axial region 133 and through hole 711, be provided with can be flexible up and down seal member 135.Are inserted in respectively the insertion projection 711a of through hole 711 and the insertion groove 133a of axial region 133 in the periphery of seal member 135 and interior week, move up and down together if therefore make seal member 135 follow moving up and down of axial region 133, can realize the sealing of through hole 711.

As shown in Figure 5, vibrating mass 170 is made up of electric magnet 180 and permanent magnet 190.

Electric magnet 180 is installed on the upper surface of lower case 170, and is positioned at the adjoining position that attracts up and down permanent magnet 190.That is, as the present embodiment, electric magnet 180 and permanent magnet are arranged at position in opposite directions, left and right, or are arranged at up and down position in opposite directions, provide thus vibration with the motion that swings up and down.

Thereby, pull up and down permanent magnet 190 along the sense of current of electric magnet 180, so that vibrating arm 120 swings up and down motion taking resiliency supported portion 140 as fulcrum, knock cleaned object simultaneously.

The sterilization module 300 of one of feature of the present invention realizes by cleaned object being applied to the pasteurization assembly 300 that heat sterilizes.

As shown in Fig. 8 and Fig. 9, pasteurization assembly 300 is made up of hot plate 310 and the electric heater 330 of the bottom surface that is disposed at lower case 710.

Hot plate 310 is by upper and lower hot plate 311,313 and connect between upper and lower hot plate 311,313 and the connecting plate 315 that forms the insertion space 314 of inserting for electric heater 330 forms.In addition, preferably, hot plate 310 is made up of the superior aluminium material of heat conductivity.

After electric heater 330 being inserted into insertion space 314, hot plate 311,313 heated and connected airtight, can make pasteurization assembly 300.

This pasteurization assembly 300 is installed in heater holder housing 350.

Heater holder housing 350 is contained and is connected in the heater holder housing accommodating groove 713 of the bottom surface that is formed at lower case 710.

A side at heater holder housing 350 is formed with electric wire fairlead 351, draws the electric wire (not shown) that PCB200 and electric heater 330 are coupled together from this electric wire fairlead 351.Certainly, in heater holder housing accommodating groove 713, be also formed with electric wire fairlead 353.

In addition, preferably, electric heater 330 is made up of ptc heater 330.

The characteristic that when ptc heater 330 has temperature rise, resistance sharply rises at a certain temperature, is that resistance increases, electric current reduces, caloric value reduces when rising to uniform temperature above, and in the time that temperature declines, resistance reduces, electric current increases, temperature rise.Like this, can be controlled at uniform temperature.

Thereby, without other temperature sensor, also can prevent that temperature rise is to more than design temperature, comparatively stable while therefore heating dry goods.

In addition, preferably, set temperature sensor (not shown) in ptc heater 330.

This temperature sensor (not shown) is for example controlled the action of ptc heater 330 in the time that the maximum design temperature (150 DEG C) of ptc heater 330 is set to higher than its serviceability temperature (120 DEG C) and reaches serviceability temperature.Using the gradient upper body of design temperature along maximum design temperature, only have the effect that shortens preheating stand-by time, is not for preventing overheated other temperature sensor.Temperature sensor (not shown) is installed on top hot plate 311.

This hot plate 310 has the effect of ironing plate, contact cleaned object and directly with the dead antibacterial of heat kill and insect, therefore sterilizing and parasite killing are reliable, and its time is very short.

As shown in Fig. 3 and Fig. 8, vacuum cleaning assembly 500 comprise the bottom surface that is formed at lower case 710 suction inlet 510, be installed on lower case 710 upper surface suction motor 530 and be set to dismantledly the dust bucket 550 of the dust bucket mounting groove 760 on the top that is formed at upper body 750.

Suction inlet 510 runs through the suction tank 511 that is formed at the bottom surface that is formed on lower case 710.The grid 515 of muntin shape is installed at suction tank 511, to prevent the absorption completely of dry goods, guiding sucks smoothly.

Suction inlet 510 is arranged at the rear of punch panel 131, owing to carrying out vacuum suction after fully impacting, therefore can improve dust suction efficiency.

On the other hand, because suction inlet 510 or grid 515 are worked to be fitted into a certain degree under the state of dry goods, even therefore sometimes the bottom surface of bottom shell 710 be provided with wheel 701, be also difficult to promote to advance.

For make this advance smooth and easy slightly, preferably, at formation side, the side of suction tank 511 suction inlet 513.

Side suction inlet 513 has and blow vent opposite effect, suppresses to greatest extent dry goods and is adsorbed in suction inlet 510.

On the other hand, as shown in Figure 3, preferably, be formed with in the front of hot plate 310 and import inflow road 520.

Import flow into road 520 by be formed at lower case 710 bottom surface forefront first import flow into road 521 and be formed at first pour into second between road 521 and suction tank 511 import flow into road 523 form.

First for example imports inflow road 521, along also (giving prominence on the lower than the bottom surface of lower case 710, be preferably the identical degree of height contacting with wheel) inflow guided plate 522 length direction (fore-and-aft direction) form, in addition, flowing into guided plate 522 is provided with multiple along left and right directions with predetermined distance.

Thereby, between inflow guided plate 522, form the first importing and flow into road 521.

Second imports inflow road 523 is made up of the second importing inflow groove that forms deeplyer than heater holder housing accommodating groove 731.

Second imports inflow road 523 maintains the open state in front and back by heater holder housing 350.

Thereby the suction effect needing only is by suction tank 511 → suction inlet 510, or first importing inflow road 521 → the second importing inflow road 523 → suction tank, 511 → suction inlets 510 carry out.

As shown in figure 11, the filter house 527 that dust bucket 550 forms the control of dust shell 551 of Liu's entrance 553 and flow export 555 by lower surface and the back side and is installed on flow export 555 forms.Preferably, give prominence to and be formed with handle 552 at the upper surface of control of dust shell 551.

As shown in Figures 7 and 8, in dust bucket mounting groove 760, be formed with the first stream intercommunicating pore 761 and the second stream intercommunicating pore 763, wherein, the first stream intercommunicating pore 761 forms the stream between suction inlet 510 and the inflow entrance 553 of dust bucket 550, and the second stream intercommunicating pore 763 forms outlet 555 or the filter house 527 of dust bucket 550 and sucks the stream between motor 530.

Preferably, the first stream intercommunicating pore 761 and the second stream intercommunicating pore 763 configurations are formed at bottom surface and the back side of dust bucket mounting groove 760.Corresponding to this, inflow entrance 553 and flow export 555 are formed at bottom surface and the back side of control of dust shell 551.

Thereby foreign body is filtered according to suction inlet 510 → the first stream intercommunicating pore 761 → inflow entrance 553 → filter houses 527, the air after filtering is discharged according to the second stream intercommunicating pore 763 → suction motor 530 → outlet 765.

For air filtered the dust of smiling before outlet 765 is discharged, preferably, in the exhaust side that sucks motor 530, high efficiency particle air filter 540 (HEPA) is also set.

On the other hand, preferably, there is photocatalyst in the internal coat of control of dust shell 551, and in the bottom of dust bucket mounting groove 760, the light irradiation element 560 that makes this photocatalyst activation is set.

Preferably, light irradiation element 560 is made up of LED parts.

Like this, in the inside of control of dust shell 551, the foreign body filtering because of the activation of photocatalyst (that is, airborne steam is broken down into hydroxy and strengthens sterilizing ability) is sterilized again, therefore can prevent the breeding again of antibacterial.

In addition, as shown in Figure 7, because light irradiation element 560 is arranged at the outside of dust bucket 550, so electric wires etc. are not subject to the restriction of dust bucket 550, can free distribution, therefore arrange and become simple.

In addition, control of dust shell 551 is made up of the plastics of transparent material, and this can improve light-struck light transmittance, further promotes the activation of photocatalyst.

As mentioned above, although be illustrated with reference to the preferred embodiments of the present invention, those of ordinary skill in the art should be appreciated that not departing from the scope in thought of the present invention that claim records and field, the present invention also can carry out various changes and distortion.

The sterilization module utilization of the present embodiment, as the hot plate of flatiron and so on, is carried out sterilizing and parasite killing but utilize high-temperature steam to spray cleaned object, also has almost identical effect.As long as wet sterilization assembly utilizes the principle of steam cleaner, in main body 700 inside, vapor generation part is set, and the steam occurring from this vapor generation part is sprayed by the bottom surface of lower case 710.

The present invention may be used on the vacuum cleaner that needs sterilization and impact.

Claims (3)

1. a vacuum cleaner, its main body is provided with vacuum cleaning assembly, it is characterized in that,

Above-mentioned vacuum cleaning assembly comprise the bottom surface that is formed at aforementioned body suction inlet, be arranged at aforementioned body inside suction motor and be arranged at dismantledly the dust bucket mounting groove that is formed at aforementioned body top,

Dust bucket is installed in dust bucket mounting groove, and dust bucket is formed inflow entrance and flow export control of dust shell by lower surface and the back side forms with the filter house that is installed on flow export,

In above-mentioned dust bucket mounting groove, be formed with the first stream intercommunicating pore and the second stream intercommunicating pore, wherein, the first stream intercommunicating pore forms the stream between suction inlet and the inflow entrance of dust bucket, the second stream intercommunicating pore forms the flow export/filter house of dust bucket and sucks the stream between motor, wherein the first stream intercommunicating pore and the configuration of the second stream intercommunicating pore are formed at bottom surface and the back side of dust bucket mounting groove, thereby, foreign body is filtered according to suction inlet → the first stream intercommunicating pore → inflow entrance → flow export/filter house, air after filtering is discharged according to second stream intercommunicating pore → suction motor → outlet,

Inside at above-mentioned dust bucket forms photocatalytic coating,

In above-mentioned dust bucket mounting groove, be provided with the light irradiation element to above-mentioned dust bucket internal irradiation light.

2. vacuum cleaner according to claim 1, is characterized in that,

Above-mentioned dust bucket is made up of transparent material.

3. vacuum cleaner according to claim 1 and 2, is characterized in that,

In aforementioned body, be also provided with above-mentioned cleaned object applied to the pasteurization assembly that heat sterilizes,

Above-mentioned pasteurization assembly comprises and is arranged at the bottom surface of aforementioned body and the hot plate directly contacting with above-mentioned cleaned object and the ptc heater that above-mentioned hot plate is heated.