Deodorizing device for toilet
阅读说明:本技术 大便器用除臭装置 (Deodorizing device for toilet ) 是由 浮贝清岳 音羽勇哉 上本颂子 中道俊一 矶野香奈子 于 2019-08-15 设计创作,主要内容包括:本发明提供一种大便器用除臭装置,能够利用简易的结构对容易溶于水的成分和难以溶于水的成分进行除臭。大便器用除臭装置具有:吸气部,形成对空气进行吸入的吸气口;排气部,形成对除臭后的空气进行排气的排气口;风扇装置,设置于除臭风路,该除臭风路将上述吸气口与上述排气口连通并使空气流通;水除臭部,设置于上述除臭风路,利用水对吸入的空气进行除臭;以及氧化催化剂,设置于上述除臭风路。(The invention provides a deodorizing device for a toilet, which can deodorize components which are easy to dissolve in water and components which are difficult to dissolve in water by a simple structure. The deodorizing device for toilet comprises: an air suction unit that forms an air suction port for sucking air; an exhaust unit that forms an exhaust port for exhausting the deodorized air; a fan device disposed in a deodorization air path for communicating the air inlet and the air outlet and circulating air; a water deodorizing unit disposed in the deodorizing air path for deodorizing the sucked air with water; and an oxidation catalyst disposed in the deodorizing air passage.)
1. A deodorizing device for a toilet, comprising:
an air suction port part which forms an air suction port for sucking air;
an exhaust port part forming an exhaust port for exhausting the deodorized air;
a fan device provided in a deodorization air path that communicates the air inlet and the air outlet and circulates air;
a water deodorization unit disposed in the deodorization air path and configured to deodorize the sucked air with water; and
and an oxidation catalyst disposed in the deodorizing air passage.
2. The deodorizing device for toilet according to claim 1,
the oxidation catalyst is provided on a downstream side of the water deodorizer in the deodorizing air passage.
3. The deodorizing device for toilet according to claim 2,
the fan device is provided on a downstream side of the water deodorizer in the deodorizing air path.
4. The deodorizing device for toilet according to claim 2 or 3, wherein,
the deodorizing device for toilet further comprises a splash suppressing unit that is provided between the water deodorizing unit and the oxidation catalyst and suppresses splashing of water in the water deodorizing unit toward the oxidation catalyst.
5. The deodorizing device for toilet according to claim 4,
the water deodorization part is provided with a water storage part capable of storing water,
the water surface of the water stored in the water storage unit forms a part of the deodorizing air passage.
6. The deodorizing device for toilet according to claim 5, wherein,
the splash guard includes a water receiving wall that protrudes from a bottom surface of the water storage unit into the deodorizing air duct.
7. The deodorizing device for toilet according to claim 5 or 6, wherein,
the splash guard includes an enlarged portion formed in the water storage portion and enlarging a cross-sectional area of the deodorizing air passage.
8. The deodorizing device for toilet stool according to any one of claims 1 to 7, wherein,
the water deodorization part is provided with a water storage part capable of storing water,
the water surface of the water stored in the water storage unit forms a part of the deodorizing air passage,
the deodorizing device for toilet includes:
an oxidation catalyst disposed in the deodorizing air path;
a water supply unit for supplying water to the water storage unit;
a water discharge unit for discharging water from the water storage unit; and
a control unit for controlling water supply from the water supply unit and air suction from the fan unit,
the control section executes: a first water supply mode for supplying a first amount of water from the water supply unit to the water storage unit; and a second water supply mode for supplying a second amount of water smaller than the first amount of water from the water supply unit to the water storage unit.
9. The deodorizing device for toilet according to claim 8, wherein,
the control section executes: a first air intake mode for performing air intake with a first air volume, which is a maximum air volume, by using the fan device; and a second air intake mode for performing air intake with a second air volume smaller than the first air volume,
the first suction mode is not performed when the first water supply mode is performed.
10. The deodorizing device for toilet according to claim 9, wherein,
the control unit executes a third air intake mode in which air is taken in by the fan device at a third air flow rate smaller than the second air flow rate,
the third air suction mode is performed when the first water supply mode is performed.
11. The deodorizing device for toilet stool according to any one of claims 8 to 10, wherein,
after the water is drained from the drain portion, the control portion executes a drying mode in which the fan device is driven to dry the water storage portion.
Technical Field
The invention relates to a deodorizing device for a toilet.
Background
As a deodorizing device for deodorizing in a toilet, a device is known in which odor components contained in air are dissolved in water by bringing the air into contact with the water (for example, patent document 1). The deodorizing device described in
Patent document 1: japanese patent laid-open publication No. 2017-223030
Hydrogen sulfide and methyl mercaptan are more difficult to dissolve in water than ammonia and trimethylamine in the odor in the toilet. Therefore, even if it is desired to remove the odor from the air only by the water ejected from the water ejection device as in
Disclosure of Invention
In view of the above, the present invention provides a deodorizing device for toilet stool, which can deodorize water-soluble components and water-insoluble components with a simple structure.
A deodorizing device for a toilet according to a first aspect of the present invention includes: an air suction unit that forms an air suction port for sucking air; an exhaust unit that forms an exhaust port for exhausting the deodorized air; a fan device disposed in a deodorization air path for communicating the air inlet and the air outlet and circulating air; a water deodorizing unit disposed in the deodorizing air path for deodorizing the sucked air with water; and an oxidation catalyst disposed in the deodorizing air passage.
According to the first aspect of the present invention, both odor components having high water solubility and odor components having low water solubility but high oxidative decomposition properties compared to these odor components can be effectively deodorized by the simple structure in which the water deodorizing section and the oxidation catalyst are disposed in one air passage. Can give consideration to both large-scale and complicated suppression and deodorization performance.
A second aspect of the present invention is the deodorizing device for toilet stool according to the first aspect, wherein the oxidation catalyst is provided on a downstream side of the water deodorizing portion in the deodorizing air passage.
According to the second aspect, dust such as dust and paper dust sucked in together with air from the air inlet can be captured by the water deodorization section, and a decrease in performance of the oxidation catalyst due to the flow of dust and the like to the oxidation catalyst can be suppressed. In addition, the alcohol component contained in the aromatic agent and the like can be dissolved in water in the water deodorization section, and the adhesion of the alcohol component to the oxidation catalyst can be suppressed.
A third aspect of the present invention is directed to the deodorizing device for toilet stool according to the second aspect, wherein the fan device is provided on a downstream side of the deodorizing air passage with respect to the water deodorizing portion.
According to the third aspect, the dust sucked in together with the air from the air inlet can be captured by the water deodorization section, and the dust and the like can be suppressed from reaching the fan device.
A fourth aspect of the present invention is the deodorizing device for stools according to the second or third aspect, further comprising a splash suppressing unit that is provided between the water deodorizing unit and the oxidation catalyst and suppresses splashing of water in the water deodorizing unit toward the oxidation catalyst.
According to the fourth aspect of the invention, adhesion of the alcohol component to the oxidation catalyst can be effectively suppressed by dissolution of water into the water deodorization section, and splashing of water in which the alcohol component is dissolved toward the oxidation catalyst can be suppressed by the splash suppression section, thereby suppressing the alcohol component-dissolved water from adhering to the oxidation catalyst.
A fifth aspect of the present invention is directed to the deodorizing device for toilet according to the fourth aspect, wherein the water deodorizing unit has a water reservoir capable of accumulating water, and a water surface of the water accumulated in the water reservoir forms a part of the deodorizing air passage.
According to the fifth aspect, since the alcohol dissolution can be performed by the accumulated water, the splashing can be further suppressed as compared with, for example, spraying mist from the nozzle.
A sixth aspect of the present invention is the deodorizing device for toilet bowl according to the fifth aspect, wherein the splash guard has a water receiving wall that protrudes from a bottom surface of the water storage unit into the deodorizing air passage.
According to the sixth aspect, splashing of water in which the alcohol component is dissolved toward the oxidation catalyst side can be suppressed with a simple configuration.
A seventh aspect of the present invention is the deodorizing device for toilet bowl according to the fifth or sixth aspect, wherein the splash guard has an enlarged portion that is formed in the water storage portion and that enlarges a cross-sectional area of the deodorizing air passage.
According to the seventh aspect, the wind speed can be reduced by increasing the cross-sectional area of the wind passage, and splashing of water in the water deodorizer to the downstream side can be suppressed.
An eighth aspect of the present invention is directed to the deodorizing device for toilet bowl according to any one of the first to seventh aspects, wherein the water deodorizing unit has a water storage portion capable of storing water, and a water surface of the water stored in the water storage portion forms a part of the deodorizing air passage, and the deodorizing device for toilet bowl includes: an oxidation catalyst disposed in the deodorizing air passage; a water supply unit for supplying water to the water storage unit; a water discharging unit for discharging water from the water storage unit; and a control unit that controls water supply from the water supply unit and air intake from the fan unit, the control unit executing: a first water supply mode in which the water supply unit supplies a first amount of water to the water storage unit; and a second water supply mode in which the water supply unit supplies a second amount of water smaller than the first amount of water to the water storage unit.
In the first aspect, both large-sized and complicated suppression and deodorization performance can be achieved, but when the water deodorizer and the oxidation catalyst are disposed in one air passage, if the water deodorizer is configured to store water, the water stored in the water deodorizer narrows the deodorization air passage, thereby increasing the pressure loss in the deodorization air passage. The increase in the pressure loss may reduce the deodorizing performance of the oxidation catalyst.
According to the eighth aspect, since the amount of water stored in the water storage unit in the second water supply mode is smaller than that in the first water supply mode, the pressure loss in the deodorizing air passage can be suppressed, and the deterioration of the deodorizing performance of the oxidation catalyst can be suppressed.
On the other hand, in the first water supply mode, a larger amount of water than in the second water supply mode is accumulated in the water storage section, and the deodorizing effect of the odor component having high water solubility is improved.
Therefore, according to the eighth aspect, both the odor component having high water solubility and the odor component having low water solubility but high oxidative decomposition property can be effectively deodorized.
A ninth aspect of the present invention is directed to the deodorizing device for toilet bowl according to the eighth aspect, wherein the control unit executes: a first air intake mode in which the fan device is used to perform air intake with a first air volume, which is the maximum air volume; and a second air intake mode for performing air intake with a second air flow rate smaller than the first air flow rate, wherein the first air intake mode is not performed when the first water supply mode is performed.
In the deodorization of an odor component having high water solubility, the larger the amount of water, the better, but the more the amount of water, the more the water may overflow from the water storage portion. According to the ninth aspect, in the first water supply mode in which the water amount is large, the second air intake mode in which the air volume is smaller than the first air volume that is the maximum air volume is executed, and the first air intake mode in which the maximum air volume is not executed. When the amount of water is large, fluctuation of water stored in the water storage unit and suction of water into the fan device can be suppressed by suppressing the air volume. Therefore, when the amount of water is increased in order to improve the water deodorization effect, the overflow of water can be suppressed, and on the other hand, the first air suction mode can be executed to increase the air volume while suppressing the pressure loss in the second water supply mode, and the deodorization effect of the oxidation catalyst can be improved.
A tenth aspect of the present invention is directed to the deodorizing device for stools of the ninth aspect, wherein the control unit executes a third air intake mode in which a third air flow rate smaller than the second air flow rate is taken in by the fan device, and the third air intake mode is executed when the first water supply mode is executed.
According to the third aspect of the present invention, in the first water supply mode in which the amount of water is large, the third air intake mode in which the air volume is smaller than the second air volume is executed, and the first air intake mode in which the maximum air volume is not executed. When the amount of water is small, the fluctuation of water stored in the water storage unit and the effect of suppressing the water from being sucked into the fan device can be further improved by further suppressing the air volume.
An eleventh aspect of the present invention is directed to the deodorizing device for toilet stool of any one of the eighth to tenth aspects, wherein the controller executes a drying mode for driving the fan device to dry the water storage unit after the water is discharged from the water discharge unit.
In a structure for storing water used for deodorization of odor components having high water solubility, a biofilm may be formed. According to the eleventh aspect, by executing the drying mode, the water storage section after the water discharge can be dried, and the formation of the biofilm in the water storage section can be suppressed.
According to the present invention, a component that is easily soluble in water and a component that is hardly soluble in water can be deodorized with a simple configuration.
Drawings
Fig. 1 is an external perspective view of a toilet bowl according to a first embodiment.
Fig. 2 is a plan view of the deodorizing device for toilet stool according to the first embodiment.
Fig. 3 is a perspective view of a water deodorization unit in the toilet deodorization device according to the first embodiment.
Fig. 4 is a perspective view of the water deodorization unit of fig. 3 with a cover removed.
Fig. 5 is a sectional perspective view of the water deodorization unit in the toilet deodorizing device according to the first embodiment.
Fig. 6 is a sectional view showing a water storage operation in the deodorizing device for toilet according to the first embodiment.
Fig. 7 is a sectional view of the deodorizing device for toilet according to the first embodiment during a water discharge operation.
Fig. 8 is a perspective view of a water deodorization unit according to a second embodiment.
Fig. 9 is a perspective view of the water deodorization unit of fig. 8 with a cover removed.
Fig. 10 is a sectional view of a water deodorization unit according to a second embodiment.
Fig. 11 is a schematic cross-sectional view of the water deodorizing unit according to the second embodiment during operation of storing water.
Fig. 12 is a schematic cross-sectional view of the water deodorizing unit according to the second embodiment at the time of a water discharging operation.
Fig. 13 is a flowchart of an operation example of the toilet deodorization device according to the second embodiment.
Fig. 14 is a flowchart of another operation example of the toilet deodorization device according to the second embodiment.
Description of reference numerals:
1 … toilet seat; 10 … deodorizing means; 20 … a water deodorization unit; 23 … air intake; 24 … exhaust port; 25 … drain port; 30 … control section; 40 … water deodorizing section; 41 … water-receiving wall; 45 … water supply part; 50 … a water holding portion; 51 … a first space; 52 … second space; 60 … fan assembly; 70 … oxidation catalyst; 80 … deodorizing air passage; 100 … toilet bowl; 101 … basin portion; 200 … sanitary washing device.
Detailed Description
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the drawings, the same components are denoted by the same reference numerals as much as possible, and redundant description thereof will be omitted for ease of understanding of the description.
Fig. 1 is an external perspective view of a
As shown in fig. 1, a
Fig. 2 is a plan view of the deodorizing device 10 according to the present embodiment, showing a state in which the
As shown in fig. 2, the deodorization device 10 has a
Fig. 3 is a perspective view of the
Fig. 4 is a perspective view of the
Fig. 5 is a sectional perspective view of the
As shown in fig. 3 to 5, the
Air is caused to flow in the space between the
The
The
In a state where the
By driving the
As shown in fig. 4, a
The water stored in the
In the
Next, the operation of the deodorizing device 10 according to the present embodiment will be described.
Fig. 6 is a sectional view of the deodorizing device 10 during water storage operation. Fig. 7 is a sectional view of the deodorizing device 10 during a water discharging operation.
When seating of the user on
The air under atmospheric pressure is sucked into the deodorizing
However, in a state where the
The supply of water from
The air sucked through the
In the air flowing further downstream in the deodorizing
As described above, according to the present embodiment, ammonia and trimethylamine having high water solubility can be deodorized by the
Further, dust such as dust and paper dust sucked together with air from the
Further, by the simple configuration in which the
The
In many cases, a fragrance is placed in a toilet. In general, when an alcohol component (e.g., ethanol or methanol) contained in an aromatic agent or the like is adhered to an oxidation catalyst, an offensive odor may be generated. Although the alcohol component can be dissolved in water in the
In the present embodiment, the
Further, according to the present embodiment, since alcohol dissolution can be performed only by the water W stored in the
The
Fig. 6 shows an example in which water W is accumulated in a region from the
The water W pushed by the air is caught by the
Since the
The user takes out the
In the case where a movable member such as an electromagnetic valve is used as the water discharge mechanism, there is a possibility that water cannot be discharged due to a defective valve opening caused by adhesion of the electromagnetic valve, but in the present embodiment, such a water discharge mechanism is not provided, and water can be discharged only by stopping the generation of negative pressure by the
Further, as the means for generating negative pressure, water accumulation and water drainage can be realized by using the minimum electric component of the fan means which is originally required for the air suction and exhaust of the deodorizing means, and it is not necessary to separately provide a pump or the like for generating negative pressure, and cost reduction and downsizing can be realized.
Further, by making the bottom surface of the
According to the present embodiment described above, the water W is stored in the
The
The
Next, a deodorizing device according to a second embodiment of the present invention will be described with reference to fig. 8 to 14. Here, only the points where the second embodiment of the present invention differs from the first embodiment will be described, and the same reference numerals are assigned to the same parts in the drawings, and the description thereof will be omitted.
The deodorization apparatus of the second embodiment has a
The control part 90 performs a first water supply mode and a second water supply mode. In the first water supply mode, water is supplied from the
The control unit 90 executes the first intake mode and the second intake mode. In the first intake mode, the
The control unit 90 can also execute a third air intake mode in which a third air flow rate smaller than the second air flow rate is taken in by the
Fig. 13 is a flowchart showing a detailed operation example of the deodorization device according to the second embodiment.
For example, in a time period in which the
In the non-use deodorization mode, when the
In step S9, if a person or a seat is detected in step S1, that is, if use of
In the water discharge mode,
After the water discharge operation, the flow proceeds to step S3, and the normal deodorization mode is executed. Alternatively, if it is detected in step S1 that use of
In the normal deodorization mode of step S3, a second water supply mode based on the supply of the second amount of water and a second air intake mode based on the second amount of air are performed.
Then, if the absence of the seat is detected in step S4, the process proceeds to step S5, and the strong deodorization mode is executed. In the strong deodorization mode, a second water supply mode based on the supply of the second water amount and a first air suction mode based on the maximum air volume, that is, the first air volume are performed.
That is, in the strong deodorization mode, the amount of water stored in
In a state where the absence of the seat, i.e., the continuation of the sitting of the user, is not detected in step S4, the normal deodorization mode of step S3 continues.
The strong deodorization mode is performed for a prescribed time. After the strong deodorization mode is ended, in step S6,
After the water discharge operation, the drying mode is executed in step S7. In the dry mode, the water supply to the
In the case where a person is not detected or a person is not seated until a certain time elapses before the execution of the above-described non-use deodorization mode, the execution of the non-use deodorization mode continues.
When the non-use deodorization mode is executed for a certain time, the flow proceeds to step S10 to execute the drainage mode, and the drying mode is executed in the next step S7.
Fig. 14 is a flowchart of another detailed operation example of the deodorization device according to the second embodiment.
In the time period in which the
In the non-use deodorization mode, at the time of non-use of the
In step S19, if a person or a seat is detected in step S11, that is, if the use of
In the water discharge mode,
After the water discharge operation, the flow proceeds to step S13, and the normal deodorization mode is executed. Alternatively, if it is detected in step S11 that use of
In the normal deodorization mode of step S13, a second water supply mode based on the supply of the second amount of water and a second air intake mode based on the second amount of air are performed.
Then, if the absence of the seat is detected in step S14, the process proceeds to step S15, and the strong deodorization mode is executed. In the strong deodorization mode, a second water supply mode based on the supply of the second water amount and a first air suction mode based on the maximum air volume, that is, the first air volume are performed.
In step S14, the normal deodorization mode in step S13 is continued in a state where no out-of-seat is detected, that is, the user continues to sit.
The strong deodorization mode is performed for a prescribed time. After the strong deodorization mode is ended, in step S16,
After the water discharge operation, the drying mode is executed in step S17. In the dry mode, the water supply to the
In the case where a person is not detected or seated before a certain time elapses for the execution of the above-described non-use deodorization mode, the execution of the non-use deodorization mode is continued.
When the non-use deodorization mode is executed for a certain time, the flow proceeds to step S20 to execute the drainage mode, and the drying mode is executed in the next step S17.
According to the second embodiment described above, in the second water supply mode in which the normal deodorization mode and the strong deodorization mode are executed, the amount of water stored in the
On the other hand, in the first water supply mode in which the non-use deodorization mode is executed, a larger amount of water than in the second water supply mode is accumulated in the
Therefore, according to the present embodiment, both of the odor component having high water solubility and the odor component having lower water solubility but high oxidative decomposition property than the odor component can be effectively deodorized.
In the deodorization of the odor component having high water solubility, the larger the amount of water, the better, but the more the amount of water, the more the water may overflow from the
In the operation example shown in fig. 14, in the first water supply mode (in the non-use deodorization mode) in which the water amount is large, the third air intake mode in which the air volume is smaller than the second air volume is executed, and the first air intake mode in which the maximum air volume is not executed. When the amount of water is large, the effect of suppressing the fluctuation of water stored in
In a structure for storing water used for deodorization of odor components having high water solubility, a biofilm may be formed. On the other hand, according to the present embodiment, by executing the drying mode at step S7 in fig. 13 or step S17 in fig. 14, the drained
The modes shown in fig. 13 and 14 are executed by the control unit 90 controlling the
In the above-described embodiment, the example in which the deodorization device 10 is installed in the
The embodiments of the present invention have been described above with reference to specific examples. However, the present invention is not limited to the above, and various modifications can be made based on the technical idea of the present invention.
In the above-described embodiment, the example in which the water deodorizing unit has the water storage unit capable of storing water and the water surface of the water stored in the water storage unit forms a part of the deodorizing air passage has been described, but the water deodorizing unit of the present invention may have a structure in which water is discharged to, for example, the air to be sucked.
In the above-described embodiment, the example in which the fan device is used as the negative pressure forming device has been described, but the present invention is not limited to forming the negative pressure in the
In the above-described embodiment, the example in which the air inlet also serves as the drain port was described, but the present invention is not limited to the structure in which the
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