JP2006230432A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner improving deodorizing and antibacterial effects and elongating the life of a deodorizing/antibacterial material by uniformly sticking the material to dust in the vacuum cleaner supplying a powder body of the material into a dust colleccting chamber, removing the odor and antibacterially impregnating the dust. <P>SOLUTION: This vacuum cleaner is provided with a first diffusive supply means 16 diffusively supplying a re-powdered material when partially powdering and supplying the solid body of the deodorizing/antibacterial material 1 composed of an inorganic adsorbent material and antibacterial material in the dust collecting chamber 9 and supplying the re-powdered material of the deodorizing/antibacterial material 1, and uniformly sticks the powdered material of the deodorizing/antibacterial material 1 to the dust to improve the deodorizing and antibacterial effects. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vacuum cleaner that can effectively remove malodors and germs in a dust collection chamber.

  In recent years, with the demand for comfort in the living environment, there has been an increasing need for improvements in the clean function of vacuum cleaners every year. Especially for the reduction and removal of dust, odors, bacteria, etc. contained in the exhaust, Of particular interest.

  As a countermeasure against odors contained in the exhaust of a conventional vacuum cleaner, there has been proposed one in which a deodorizing fragrance is installed in a dust collection indoor space (see, for example, Patent Document 1).

In addition, as a method for suppressing the propagation of germs in the dust of an electric vacuum cleaner, a method is proposed in which a preparation containing allyl isothiocyanate (hereinafter referred to as AIT) as an antibacterial component is installed in the dust collection chamber and released slowly. (For example, refer to Patent Document 2).
Japanese Patent No. 2810090 Japanese Patent Laid-Open No. 9-110620

  However, in the conventional configuration, a deodorizing fragrance or antibacterial component preparation is installed in the dust collection chamber space of the vacuum cleaner, and each component is scattered in the dust collection chamber to deodorize and antibacterial dust. Although the exhaust odor is alleviated, the deodorant fragrance is mixed with the odor of the dust to reduce the exhaust odor, so the fundamental odor cannot be removed. When AIT is used, since AIT has a unique wasabi odor, the antibacterial preparation itself causes exhaust odor, and furthermore, the deodorant fragrance and AIT are mixed together, resulting in an unpleasant odor from the vacuum cleaner. It had the subject that it might be exhausted.

  The present invention solves the above-mentioned conventional problems, and fundamentally and drastically reduces the odor derived from dust contained in the exhaust when using a vacuum cleaner, and at the same time, effectively suppresses the growth of germs in the dust. It is an object of the present invention to provide a vacuum cleaner that can further improve the deodorizing performance and antibacterial performance, and that does not cause any unpleasant odor due to the deodorizing antibacterial action.

  In order to solve the above-mentioned conventional problems, the vacuum cleaner of the present invention partially pulverizes a solid body of deodorized antibacterial material composed of an inorganic adsorbent and an antibacterial material, and puts it in a dust collection chamber. Furthermore, when the re-pulverized product of the deodorizing antibacterial material is added, the re-pulverized product is dispersed and input so that the powder of the deodorizing antibacterial material is uniformly attached to the dust.

  As a result, the re-pulverized product of the deodorizing antibacterial material uniformly adheres to the surface and the inside of the dust aggregate, and the deodorizing material absorbs and removes the odor generated from the dust, thereby suppressing the emission of bad odors to the outside. The contact of the germs inside with the antibacterial material stops the activity of the germs, and even when moisture is mixed in the dust, the germs do not multiply and the generation of bad odor derived from the germs can be prevented.

  In addition, since both the deodorizing material and the antibacterial material are odorless, no strange odor is generated when they are put into the dust collection chamber.

  The vacuum cleaner of the present invention partially re-pulverizes the solidified deodorized antibacterial material, further diffuses the re-pulverized product and puts it in the dust collecting chamber, so that the deodorized antibacterial agent is uniformly applied to dust. Compared to the case where re-pulverized material can be attached and not diffused and added, deodorization performance and antibacterial performance can be improved, and effective countermeasures against odor generation and germ growth Can do.

  A first aspect of the present invention is a vacuum cleaner that sucks dust by an electric blower and sucks dust and stores it in a dust collection chamber, in which a powdery deodorizing material is diffused into the space of the dust collection chamber. By providing the means, the powdery deodorizing material can be uniformly adhered to the dust in the dust collecting chamber, and the generation of bad odor derived from dust can be efficiently prevented.

  According to a second aspect of the present invention, there is provided an electric vacuum cleaner that generates suction air by an electric blower to suck dust and store the dust in a dust collection chamber, and a re-pulverization means that pulverizes the solidified deodorizing material. The deodorizing material is diffused and introduced into the space of the dust collection chamber, so that the re-pulverized product of the deodorizing material can be evenly adhered to the dust in the dust collection chamber and efficiently derived from dust. Odor generation can be prevented.

  In a third aspect of the invention, in particular, in the first aspect of the invention, a storage chamber for storing the deodorizing material above the dust collection chamber, and a means for diffusing and throwing in the communication portion between the storage chamber and the dust collection chamber space or in the storage chamber The diffusion charging means is provided with a diffusion guide plate, and the powdered deodorizing material is introduced by diffusing from the upper part of the dust collecting chamber. The dust falls from the upper side of the dust collection chamber and falls and does not concentrate and adhere to one place, and can be uniformly attached, and the deodorizing process of dust can be performed more efficiently.

  In a fourth aspect of the present invention, in particular, in the second aspect of the present invention, re-pulverization is performed in a storage chamber for storing a deodorizing material above the dust collection chamber, in a communicating portion between the storage chamber and the dust collection chamber space, or in the storage chamber. And a diffusion charging means, the diffusion charging means is provided with a diffusion guide plate, and the powdered deodorizing material is diffused and introduced from the upper part of the dust collecting chamber. The re-pulverized product falls from the upper part of the dust collection chamber and falls, and it can be uniformly attached without being concentrated on one part of the dust, making it possible to deodorize the dust more efficiently. it can.

  According to a fifth aspect of the present invention, in the first aspect of the present invention, in the first aspect, the storage chamber for storing the deodorizing material is provided upstream of the dust collection chamber of the suction flow, and the diffusion charging means is provided in the suction flow path. The deodorizing material is temporarily moved and stored in the diffusion charging means, and the deodorizing material is diffused and charged to the dust collection chamber side by a suction airflow during operation. The deodorizing material flows into the dust collection chamber in a more uniformly diffused state due to the synergistic effect of the intake air flow and the diffusion charging means, so that it can adhere to the dust more widely and uniformly, and the deodorizing performance Will increase.

  According to a sixth aspect of the present invention, in the second aspect of the present invention, in the second aspect of the present invention, the storage chamber for storing the deodorizing material is provided upstream of the dust collection chamber of the suction flow, and the diffusion charging means is provided in the suction flow path. And a re-pulverization means in the communication part or in the storage chamber, and the pulverized deodorizing material is temporarily moved and stored in the diffusion charging means, so that the suction airflow during operation The powdered deodorizing material is diffused and introduced into the dust collection chamber, so that the re-pulverized product of the deodorizing material is more uniformly diffused by the synergistic effect of the intake air flow and the diffusion charging means. Since it flows into a chamber, it can adhere to dust more widely and uniformly, and the deodorizing performance is further enhanced.

  According to a seventh aspect of the invention, in particular, in the fifth or sixth aspect of the present invention, the diffusion charging means extends radially in the direction of the dust collection chamber downstream of the storage chamber in the recess provided in the inner wall of the suction channel. The deodorizing material introduced into the storage chamber moves to the dust collection chamber side along the diffusion guide plate due to the airflow generated during the operation of the electric blower. The diffusion width increases, diffuses to the maximum extent, flows into the dust collection chamber, adheres uniformly to the dust, and the deodorizing material enters the dust by the suction airflow, allowing more efficient deodorization treatment. Further, since the diffusion charging means installed in the flow path is installed without blocking the flow path, the dust suction performance itself does not deteriorate.

  In an eighth aspect of the invention, in particular, in any one of the second, fourth, sixth, and seventh aspects, the deodorizing material re-pulverizing means partially pulverizes the deodorizing material by a frictional action. By charging the re-dusted product of the deodorizing material, when the re- powdered product of the charged deodorizing material diffuses and flows into the dust collection chamber, it positively adheres to the dust and affects the airflow during operation. Therefore, it is difficult to detach from the dust, so that the deodorizing effect can be maintained by uniformly adhering to the dust surface and inside both during operation and stop of the electric blower.

  In the ninth aspect of the invention, in particular, the deodorizing material according to any one of the first to eighth aspects is composed of an inorganic adsorbent, so that the deodorizing material itself is odorless and therefore uniformly diffuses and adheres to dust. In this case, no odor is generated, and since it is an insulator, it can be easily charged depending on the re-pulverization method, and adhesion to dust can be improved. Therefore, the deodorizing treatment of dust can be achieved safely and effectively.

  In the tenth aspect of the invention, in particular, by adding an antibacterial material to the deodorizing material of any one of the first to ninth aspects, it is possible to suppress the proliferation of germs in the dust in addition to the deodorizing effect of the dust.

  In the eleventh aspect of the invention, in particular, the deodorizing antibacterial material of the tenth invention is composed of an inorganic adsorbent and an inorganic antibacterial material. Even if it adheres, it does not generate a strange odor, and since it is an insulator, it can be easily charged depending on the re-pulverization method, and adhesion to dust can be improved. In addition, since it is an inorganic substance, it is highly safe for the human body, and the deodorizing and antibacterial treatment of dust can be achieved safely and effectively.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a perspective view of a deodorizing antibacterial material according to the first embodiment of the present invention. FIG. 2 is a perspective view showing a method for re-pulverizing the deodorized antibacterial material in the same embodiment. FIG. 3 is a cross-sectional view of the electric vacuum cleaner provided with the first diffusion charging means in the same embodiment.

  The deodorizing antibacterial material 1 includes inorganic adsorbent material particles 2, inorganic antibacterial material particles 3, and a binding aid 4 for solidifying these.

  As the inorganic adsorbent particles 2, activated carbon, zeolite, etc. having a physical adsorption action, manganese dioxide, copper oxide, cobalt oxide, inorganic oxide, etc. having a chemical adsorption action are used depending on the type of odor to be deodorized. The best deodorizing effect can be obtained by selecting.

  The primary particle diameter of the raw material used as the inorganic adsorbent particles 2 is preferably less than 30 microns, and particularly affects deodorization characteristics, solidification dimensions, adhesion to substances generating odors, and the like. In view of physical properties such as specific surface area, bulk density and chargeability, it is more preferable to use a powder having a particle diameter of less than 10 microns as a raw material.

  The inorganic antibacterial material particles 3 can be effectively inactivated against various bacteria by using a material containing one or more antibacterial components of silver, zinc or copper metal oxides. This is preferable. In view of maintaining the chemical stability of the metal oxide, it is more preferable to use a predetermined amount of the metal oxide supported on a predetermined carrier material.

  As the carrier, it is preferable to use porous particles that can uniformly support metal oxide fine particles and have a high contact rate with bacteria, and zeolite and activated carbon are suitable for the use, and the porous As the primary particle diameter of the particulate carrier, it is preferable to use a powder of less than 10 microns, as with the inorganic adsorbent particles 2. Further, if the amount of the metal oxide supported on the porous particle carrier is in the range of 1 to 20 wt% with respect to the porous particle carrier, a sufficient antibacterial effect can be obtained.

  As the binding aid 4, water glass, colloidal silica, aluminum phosphate or the like is used, and various binding aids 4 are used in combination. By refining the mixed raw material of the particles 3 and adjusting the solidification strength of the deodorized antibacterial material 1, the amount of re-pulverization when a certain cutting stress is applied to the deodorized antibacterial material 1 after solidification, and the deodorized antibacterial material 1 It is possible to optimize the impact strength.

  In this embodiment, hydrophobic zeolite is used as the inorganic adsorbent particles 2, silver component-supported zeolite is used as the inorganic antibacterial material particles 3, colloidal silica is used as the binding aid 4, and hydrophobic zeolite and silver component-supported zeolite are used as 9 : 20 parts by weight of colloidal silica is added to 100 parts by weight of the raw material mixed in 1: mixed, kneaded, shaped into a square shape, dried at 150 ° C., and subsequently fired at 600 ° C. The deodorizing antibacterial material 1 having 10 g and a volume of 16 cc was obtained.

  The hydrophobic zeolite and the silver component-supported zeolite used had a primary particle size of about 5 microns.

  As described above, the deodorizing antibacterial material 1 solidified by the binding aid 4 serves as a protective layer, so that the inorganic adsorbent particles 2 and the inorganic antibacterial material particles 3 have an ambient temperature, humidity, It is possible to prevent deterioration of performance due to the influence of contamination such as various gases, and it is possible to maintain deodorization and antibacterial performance over a long period of time.

  Furthermore, the deodorizing antibacterial material 1 obtained by the production method can be easily returned to the original particle form by the method as shown in the example of FIG.

  The re-pulverization means 5 in FIG. 2 has a configuration in which a plurality of cutting plates 6 are uniformly incorporated in a square frame with respect to the deodorizing antibacterial material 1, and the end surface of the cutting plate 6 with respect to the deodorizing antibacterial material 1 by the above configuration. By placing the deodorizing antibacterial material 1 on the cutting plates 6 arranged side by side, and moving the re-dusting means 5 to the deodorizing antibacterial material 1 in a shearing manner, for example, as shown in FIG. The line contact portion 7 of the cutting plate 6 cuts the surface layer of the deodorizing antibacterial material 1 by a certain width, and the shaved deodorizing antibacterial material 1 disrupts the binding of the binding aid 4 in the structure, and the inorganic adsorbent particles 2 and The inorganic antibacterial material particles 3 fall through the gaps between the cutting plates 6 while returning to the powder.

  In this case, the deodorizing antibacterial material 1 may be placed only by its own weight, or may be placed so as to press the deodorizing antibacterial material 1 against the cutting plate 6 by some pressing means (biasing with a spring, weight load, etc.). . At this time, the deodorizing antibacterial material 1 can be moved freely in the installation space when placed with its own weight alone, so that it can be cut almost evenly from the entire surface of the deodorizing antibacterial material 1 and pressed against the cutting plate 6. When placed in this manner, only the surface abutting against the cutting plate 6 is scraped, the amount to be scraped is proportional to the pressing force from the pressing means, and by setting or adjusting the pressing force, The amount of shaving can be adjusted.

  In addition, when the deodorizing antibacterial material 1 is cut by the re-pulverization means 5, the inorganic adsorbent particles 2 and the inorganic antibacterial material particles 3 return to the particles because the particles return to the state of particles in a very short time than the friction action. A peeling electrification phenomenon occurs in which the electric charge is out of balance and charged, resulting in a state of being charged for a certain period of time and a state of being easily attached to dust.

  In addition, regarding the material of the said cutting board 6, a metal, resin, a ceramic, etc. can be used, and it is more preferable to use a metal from a durable point.

  In addition, the method for re-pulverizing the deodorized antibacterial material 1 is not limited to the above method, and any method may be used as long as the deodorized antibacterial material 1 is returned from the solid to the particulate form and the re-pulverized particles are charged. Means may be used.

  In the cross-sectional view of the electric vacuum cleaner provided with the first diffusion charging means of FIG. 3, a dust collection chamber 9 and an electric blower 10 are disposed in the main body 8 of the electric vacuum cleaner. The part communicates with the dust collection chamber 9 and has a suction port 11 which is connected to a suction pipe 12 for sucking and introducing dust from the floor or the like. Further, a dust collection filter 13 is installed on the downstream side of the dust collection chamber 9, and the dust collection filter 13 is also installed in the same manner before and after the electric blower 10.

  The cleaning operation is performed by generating suction air by the operation of the electric blower 10 and sucking the dust, so that the dust is stored in the dust collecting chamber 9 through the suction pipe 12, and only the suction airflow is used for each dust collecting filter. 13 is discharged out of the main body 8 with fine dust removed.

  In addition, a storage chamber 14 is installed in the upper part of the dust collection chamber 9, and a re-dusting means 5 is incorporated in the bottom of the storage chamber 14, and the deodorizing antibacterial material 1 has a spring 21 in the storage chamber 14. The re-pulverization means 5 is loaded in a state of being pressed by the urging of.

  Then, a shearing operation similar to that shown in FIG. 2 is performed using the vibration means 15 that electrically swings the re-dusting means 5 using a solenoid or the like, and the deodorized antibacterial material 1 is re-powdered by a predetermined amount, and the dust collecting chamber 9 Can be put in.

  The vibration means 15 is not limited to electrical means, and may be generated manually or when the main body 8 of the vacuum cleaner is moved as long as an amplitude operation can be applied to the re-pulverization means 5. Vibration may be used. Further, the re-pulverization means 5 itself is rotatably supported, and may be vibrated by its own weight when the main body 8 is moved. At that time, the re-pulverization means 5 itself has a weight. If you give it weight or weight, it will still vibrate effectively.

  4 is an enlarged schematic cross-sectional view of the main part of the first diffusion charging means 16 installed at the lower part of the re-pulverization means 5, which is an enlarged portion surrounded by a dotted line in FIG. 3. The first diffusion charging means 16 distributes the re-dusted product of the deodorized antibacterial material 1 that has passed through the re-pulverizing means 5 and dispersed into the dust collecting chamber 9. The first diffusion input means 16 incorporates a plurality of diffusion guide plates 17 in a rectangular frame, and the width between the diffusion guide plates 17 is larger on the dust collection chamber 9 side than on the storage chamber 14 side. Accordingly, the re-pulverized product of the deodorizing antibacterial material 1 is uniformly dispersed into the dust collecting chamber 9 by the diffusion guide plate 17.

  With the above configuration, the re-pulverized product of the deodorizing antibacterial material 1 can be diffused and introduced into the dust stored in the dust collecting chamber 9 to uniformly adhere to the entire dust.

  A series of operations in which the re-pulverization means 5 is electrically operated and the re-pulverized product of the deodorizing antibacterial material 1 is dispersed and introduced into the dust collecting chamber 9 is performed at an appropriate time by a control means (not shown). It is controlled and operated.

  Using the vacuum cleaner of Embodiment 1 configured as described above, the effect of the present invention was verified by experiments.

(Experimental example 1)
Using the above vacuum cleaner, the actual room was cleaned for 15 minutes. After the cleaning is completed, the electric blower 10 is stopped, the vibration means 15 is operated for 10 seconds, the deodorized antibacterial material 1 is re-pulverized, and the inorganic adsorbent particles 2 and the inorganic antibacterial material particles 3 are first diffused. The means 16 was passed through the dust collecting chamber 9 and adhered to the dust. And this room was cleaned every day for 15 days. As a comparative example 1 of the control experiment, an ordinary vacuum cleaner under the condition where the deodorizing antibacterial material 1 is not charged is used, and as a comparative example 2, only the first diffusion charging means 16 is installed with the deodorizing antibacterial material 1 being charged. The actual room was also cleaned for 15 minutes using the machine, and this actual room cleaning was continued every day for 15 days as in the case of the electric vacuum cleaner of the first embodiment. As a result of continuing the cleaning work while sensuously conscious of the exhaust odor, the vacuum cleaner of the target experiment without the introduction of the deodorizing antibacterial material 1 of Comparative Example 1 is the exhaust odor immediately after the start of operation from about the seventh day. In the electric vacuum cleaner without the first diffusion charging means 16 of Comparative Example 2, the odor of the exhaust gas can be slightly recognized at the 15th day. On the other hand, the vacuum cleaner of the first embodiment did not bother the exhaust odor at the start of the operation and during the operation even at the end of the test on the 15th day from the start of the experiment.

Next, the vacuum cleaner after the lapse of 15 days was set in a 1 m ³ sealed chamber, allowed to stand for 1 day, and then operated for 60 seconds. The air in the chamber was subjected to odor sniffing sensory evaluation by 6 panelists of mixed gender sensory evaluation. As a result, the average odor intensity of the electric vacuum cleaner of Embodiment 1 was 1.1, whereas the condition of the deodorizing antibacterial material 1 in Comparative Example 1 of the control experiment was that the average odor intensity was 3.0, the condition without the first diffusion charging means 16 of Comparative Example 2 is that the average odor intensity is 1.8, and the electric vacuum cleaner of the first embodiment in which the first diffusion charging means 16 is installed However, it was confirmed quantitatively that it is effective in improving the deodorization performance of exhaust odor.

  Moreover, as a result of taking out the dust in the dust collection chamber 9 of the vacuum cleaner of this Embodiment 1 and the comparative example 2 after completion | finish of experiment and observing visually, the dust of the comparative example 2 is a re-powdered thing of the deodorizing antibacterial material 1. In this embodiment, although there are some portions where the amount of adhesion is large, portions where the amount of adhesion is small, and portions where no amount of adhesion is observed, this embodiment has a slight unevenness in the amount of adhesion, but the deodorizing antibacterial material is almost entirely in the dust. 1 is confirmed, and it is also confirmed that the re-pulverized product of the deodorized antibacterial material 1 has been uniformly diffused into the dust collection chamber 9 by the first diffusion charging means 16. did it.

  From the above results, the first diffusion throwing means 16 of the present embodiment is effective in improving the deodorizing performance against the odor generated by dust, and prevents the generation of exhaust odor even during the cleaning work, and is comfortable cleaning. A working environment can be provided.

(Experimental example 2)
The vacuum cleaners of the first embodiment, the first comparative example, and the second comparative example in Experimental Example 1 are left in an atmosphere of 35 ° C. and 90% humidity for 24 hours in a state where dust enters the dust collection chamber 9. After that, 1 g of each dust is collected from inside the dust collecting chamber 9 and dispersed in sterilized water containing a surfactant, and 0.2 ml of the dispersed aqueous solution is applied on a standard agar medium, and is in an incubator at 35 ° C. And cultured for 40 hours, and the number of bacteria in the dust was measured. In addition, in order to measure the initial number of bacteria of the dust, the dust before being left in a high humidity atmosphere was also cultured by the same operation as described above.

  As a result, in Comparative Example 1, the number of bacteria increased 1000 times or more compared to the initial value, while Comparative Example 2 increased 10 times compared to the initial value. Thus, it was confirmed that the growth of the bacteria in the dust was effective in suppressing the number of the bacteria at the same level and the inorganic antibacterial particles 3 adhered more uniformly than in Comparative Example 2.

  From the above results, the first diffusion throwing means 16 in the present embodiment can be effective in suppressing the proliferation of germs in the dust, and sucks and collects the dust containing moisture during the cleaning operation. Even when the inside of the dust chamber 9 is in an atmosphere of high humidity, it is possible to prevent the generation of malodor due to bacterial growth and maintain cleanliness during the cleaning operation.

(Embodiment 2)
FIG. 5 is a cross-sectional view of a vacuum cleaner provided with the second diffusion charging means according to the second embodiment of the present invention.

  In addition, about the structure same as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In FIG. 5, the second diffusion input means 18, the deodorizing antibacterial material 1, the storage chamber 14, and the re-pulverization means 5 are installed in the vicinity of the suction port 11 on the upstream side of the dust collection chamber 9.

  6C is an enlarged cross-sectional view of the main part of the second diffusion throwing means 18 in the portion surrounded by the dotted line in FIG. 5, and FIG. 6B is a cross-sectional view taken along line AA in FIG. It is a figure and (a) figure has shown BB sectional drawing of (b) figure.

  In FIG. 6, the deodorized antibacterial material 1, which is re-pulverized by operating the re-pulverization means 5 via the vibration means 15, connects the lower part of the suction port 11 from the storage chamber along the outer periphery of the suction port 11. Through the introduction pipe 19 installed in this manner, the gas is stored in a storage chamber 20 installed in a recess provided in the inner wall below the suction port 11.

  The storage chamber 20 communicates with the inside of the suction port 11, and a plurality of diffusion guide plates 17 are installed on the downstream side of the storage chamber 20. It is installed radially so that the downstream side is wider than the upstream side.

  With the above configuration, the inorganic adsorbent particles 2 and the inorganic antibacterial material particles 3 that have been re-pulverized and introduced into the storage chamber 20 are drawn from the storage chamber 20 to the diffusion guide plate 17 by the suction airflow generated by the operation of the electric blower 10. , It moves downstream and flows into the dust collecting chamber 9 while diffusing.

  Using the vacuum cleaner of Embodiment 2 configured as described above, the effect of the present invention was verified by experiments.

(Experimental example 1)
Using the above vacuum cleaner, the actual room was cleaned for 15 minutes. After the cleaning is completed, the electric blower 10 is temporarily stopped, the vibration means 15 is operated for 10 seconds, the deodorized antibacterial material 1 is re-pulverized, and the inorganic adsorbent particles 2 and the inorganic antibacterial material particles 3 are introduced through the introduction pipe 19. After storing a certain amount in the storage chamber 20, the electric blower was operated for 5 seconds, and the re-pulverized product was put into the dust collection chamber 9 to adhere to the dust. And this room was cleaned every day for 30 days. As a control experiment, the cleaning of the actual room using the vacuum cleaner without the first diffusion input means 16 of the comparative example 2 shown in the first embodiment and the vacuum cleaner of the first embodiment is also performed for 15 minutes. This actual room cleaning was continued every day for 30 days in the same manner as the electric vacuum cleaner of the second embodiment. As a result of continuing the cleaning work while sensuously conscious of the exhaust odor, the odor of the exhaust can be recognized after 20 days without the first diffusion input means 16 of Comparative Example 2. . On the other hand, in the electric vacuum cleaner of the first embodiment, a slight exhaust odor was recognized at the end of the test on the 30th day from the start of the experiment. On the other hand, the electric vacuum cleaner of Embodiment 2 did not bother the exhaust odor at the start of operation or during operation even at the end of the test on the 30th.

Next, each of the vacuum cleaners after 30 days was set in a 1 m ³ sealed chamber, allowed to stand for 1 day, and then operated for 60 seconds. The air in the chamber was subjected to odor sniffing sensory evaluation by 6 panelists of mixed gender sensory evaluation. As a result, the vacuum cleaner of the second embodiment has an average odor intensity of 0.6, whereas the first diffusion charging means 16 of the comparative example 2 shown in the first embodiment is not provided. The vacuum cleaner of the first embodiment has an average odor intensity of 2.1, and the vacuum cleaner of the first embodiment in which the first diffusion charging means 16 is installed has a result of an odor intensity of 1.5. It was confirmed that the diffusion charging means of the vacuum cleaner of aspect 2 can maintain high deodorization performance for a longer period of time.

  Moreover, as a result of taking out the dust in the dust collection chamber 9 of the vacuum cleaner of this Embodiment 2 and Embodiment 1 after completion | finish of experiment and visually observing, this implementation compared with the vacuum cleaner of Embodiment 1. In the vacuum cleaner of Form 2, it was also confirmed that the re-pulverized product of the deodorizing antibacterial material 1 adhered to the dust more uniformly, and further adhered evenly to the inside of the dust.

  This is because the re-pulverized material uniformly adheres to the inside of the dust due to the diffusion and charging while sucking.

  From the above results, the second diffusion input means 18 of the second embodiment is more uniform by introducing the re-pulverized product of the deodorized antibacterial material 1 into the dust collection chamber 9 while diffusing it in the suction airflow. The deodorizing performance against the odor generated by the dust can be maintained at a high level for a long period of time, and a comfortable cleaning work environment can always be provided.

(Experimental example 2)
In the electric vacuum cleaner of the second embodiment, the electric vacuum cleaner of the first embodiment, and the electric vacuum cleaner of the comparative example 2, it is necessary to make the odor intensity of the exhaust odor less than 1 when 20 g of dust is sucked. The input amount of the deodorizing antibacterial material 1 was measured by performing the same sensory evaluation as in Experimental Example 1.

  From the measurement results in Table 1, the vacuum cleaner of the second embodiment reached an odor intensity of the exhaust odor less than 1 with an input amount of 1 wt% with respect to 20 g of dust, whereas the vacuum cleaner of the first embodiment The vacuum cleaner was 1.5 wt%, and the vacuum cleaner of Comparative Example 2 was charged with 3.0 wt%, reaching an odor intensity of less than 1.

  From the above results, the vacuum cleaner of the second embodiment can obtain high deodorizing performance with a smaller amount of input, and can extend the wear life of the deodorizing antibacterial material 1.

(Experimental example 3)
In the vacuum cleaner of the second embodiment, the vacuum cleaner of the first embodiment, and the vacuum cleaner of the second comparative example, an atmosphere having a temperature of 35 ° C. and a humidity of 90% in a state where dust enters the dust collection chamber 9. For 24 hours, collect 1 g of each dust from the dust collection chamber 9, disperse it in sterilized water containing a surfactant, and apply 0.2 ml of the dispersed aqueous solution on a standard agar medium. The cells were cultured for 40 hours in an incubator at 35 ° C., and the number of bacteria in the dust was measured. In addition, in order to measure the initial number of bacteria of the dust, the dust before being left in a high humidity atmosphere was also cultured by the same operation as described above.

  As a result, the vacuum cleaner of Embodiment 1 was at the same level as the initial number of bacteria, and the vacuum cleaner of Comparative Example 2 was multiplied by 10 times compared to the initial level, whereas this Embodiment 2 In the vacuum cleaner, the number of bacteria is reduced to 1/10 from the initial stage, and the inorganic antibacterial material particles 3 adhere more uniformly to the surface and inside of the dust, thereby reducing the bacteria in the dust. It was confirmed that the effect was exerted.

  From the above results, the second diffusion throwing means 18 of the second embodiment can be effective in reducing germs in the dust, and sucks the dust containing moisture during the cleaning operation, and collects the dust. Even when the inside of the chamber 9 is in a high humidity atmosphere, it is possible to prevent the generation of malodor due to bacterial growth over a long period of time and maintain the cleanliness during the cleaning operation.

  In the first embodiment and the second embodiment, the case where the solidified deodorized antibacterial material 1 is pulverized by the re-pulverization means 5 has been described. A material may be used, and in this case, the re-pulverization means 5 is unnecessary.

  As described above, the vacuum cleaner according to the present invention can further improve the performance against the deodorization of the odor derived from the dust of the vacuum cleaner and the growth suppression of various germs contained in the dust, and the deodorization. Since the consumption life of the antibacterial material can be extended, the same effect can be obtained even when applied to the deodorizing antibacterial application of the garbage disposal machine.

The perspective view of the deodorizing antibacterial material in Embodiment 1 of this invention The perspective view of the re-pulverization method of the deodorizing antibacterial material in the embodiment Sectional drawing of the vacuum cleaner which installed the 1st spreading | diffusion throwing-in means in the embodiment Sectional drawing of the principal part of the 1st spreading | diffusion throwing means of the vacuum cleaner in the same embodiment Sectional drawing of the vacuum cleaner which installed the 2nd spreading | diffusion throwing-in means of Embodiment 2 of this invention (A) BB sectional view of the second diffusion throwing means of the vacuum cleaner in the embodiment (b) AA sectional view of the second diffusion throwing means of the vacuum cleaner in the embodiment (c) ) Cross-sectional view of the main part of the second diffusion charging means of the vacuum cleaner in the same embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Deodorizing antibacterial material 2 Inorganic adsorbent particle 3 Inorganic antibacterial material particle 5 Repulverization means 9 Dust collection chamber 10 Electric blower 14 Storage chamber 16 1st spreading | diffusion throwing means 17 Diffusion guide plate 18 2nd spreading | diffusion throwing means 20 Storage chamber

Claims (11)

In a vacuum cleaner that generates suction air by an electric blower to suck dust and store it in a dust collection chamber, the vacuum cleaner includes a diffusion charging means for diffusing and charging a powdery deodorizing material into the space of the dust collection chamber Machine. In an electric vacuum cleaner that generates suction air by an electric blower to suck dust and store it in a dust collection chamber, the re-pulverizing means for pulverizing the solidified deodorizing material, and the powdered deodorizing material are collected in the vacuum cleaner. A vacuum cleaner equipped with a diffusion charging means for diffusing and charging the dust chamber. A storage chamber for storing the deodorizing material above the dust collection chamber, and a diffusion charging means is provided in a communication portion between the storage chamber and the dust collection chamber space or in the storage chamber, and the diffusion charging means includes a diffusion guide plate. The vacuum cleaner according to claim 1, wherein the powdered deodorizing material is introduced while being diffused from the upper part of the dust collection chamber. A storage chamber for storing the deodorizing material above the dust collection chamber, and a re-pulverization means and a diffusion input means are provided in a communication portion between the storage chamber and the dust collection chamber space or in the storage chamber. The electric vacuum cleaner according to claim 2, wherein a diffusion guide plate is provided, and the powdered deodorizing material is introduced by being diffused from the upper part of the dust collection chamber. On the upstream side of the dust collection chamber of the suction flow, a diffusion charging means is provided in the storage chamber for storing the deodorizing material and the suction flow path, and the storage chamber and the diffusion charging means are communicated with each other via the communication portion, so that the deodorizing material is The vacuum cleaner according to claim 1, wherein the vacuum cleaner is once moved and stored in the diffusion charging means, and the deodorizing material is diffused and charged into the dust collection chamber side by a suction airflow during operation. On the upstream side of the dust collection chamber of the suction flow, a diffusion charging means is provided in the storage chamber for storing the deodorizing material and the suction flow path, and the storage chamber and the diffusion charging means are communicated with each other via the communication portion. Alternatively, re-pulverization means is provided in the storage chamber, and the powdered deodorizing material is once moved and stored in the diffusion charging means, and the powdered deodorizing material is collected by a suction airflow during operation. The electric vacuum cleaner according to claim 2, which is diffused into the side. The diffusion charging means is configured by a diffusion guide plate that extends radially in the direction of the dust collection chamber on the downstream side of the storage chamber in the recess provided on the inner wall of the suction flow path. Electric vacuum cleaner. The deodorizing material re-pulverization means charges the re-pulverized product of the deodorizing material by partially pulverizing the deodorizing material by friction action. Electric vacuum cleaner. The vacuum cleaner according to any one of claims 1 to 8, wherein the deodorizing material is composed of an inorganic adsorbent. The vacuum cleaner according to any one of claims 1 to 9, wherein an antibacterial material is blended in the deodorizing material. The vacuum cleaner according to claim 10, wherein the deodorizing antibacterial material is composed of an inorganic adsorbent and an inorganic antibacterial material.

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