JP2010248784A - Rainwater utilization system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make an environment surrounding a building in summer cool, to control the floating of particles suspended in air such as pollen, yellow sand, a harmful substance or the like, or to prevent the occurrence of fungus or moss on the external wall of a building, or to control a pet smell or the like by making effective use of rainwater. <P>SOLUTION: The rainwater utilization system is provided with a rain gutter 1, a cleaning device 2, a water storage part 4, a water supply pump 5, and a mist spraying part 6. The rain gutter discharges the rainwater, and the cleaning device cleans the rainwater. The water storage part 4 stores the cleaned rainwater, and the water supply pump 5 supplies the rainwater collected in the water storage part. The mist spraying part is used for making the water supplied from the water supply pump mist and spraying it. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a rainwater utilization system.

  Conventionally, what is shown by patent document 1 as an effective use of rainwater is known, for example.

  In the conventional example shown in Patent Document 1, the rainwater that has fallen on the roof is made to flow into the eaves, and further from the eaves to the eaves, and the eaves is connected to the water storage unit to collect rainwater and the water storage unit is provided. The dust contained in the rainwater is removed by the purification filter, and further, the rainwater from which the dust has been removed and accumulated in the water storage section is sucked up by a water pump and used as water for watering or washing water for toilets.

  As described above, as a conventional technique for using rainwater, rainwater is discharged as direct current or shower water and used as water for spraying or washing water for toilets.

JP-A-6-240712

  As described above, the conventional use of rainwater is limited to the use of rainwater once stored in a reservoir and discharged as direct current or shower water. In such a case where rainwater is discharged as direct current or shower water and reused, for example, in order to make the surroundings of the building cool in the summer, the rainwater collected in the water storage section is ground around the building. It is done by sprinkling water.

  However, in the case where rainwater collected in the water storage part is sprayed on the ground as direct current or shower water, there is a problem that if the rainwater sprayed on a person hits a person, it will become soaked and get wet. , There is a problem that the surroundings are soil and the water is dirty with muddy water, and it becomes difficult to walk. In addition, when the rain water collected in the water storage section is sprayed as direct current or shower water as described above, water spraying on the wall will cause deterioration of the wall, and the wall that is hot in summer cannot be cooled directly. There was a problem.

  Furthermore, as in the conventional case, in the case where the rainwater collected in the water storage part is discharged as direct current or shower water, the floating of fine particles floating in the air such as pollen, yellow sand or harmful substances is suppressed, or We could not expect effects such as prevention of moss and mold on the outer wall of the building, or suppression of pet odor.

  The present invention was invented in view of the above-mentioned problems of the conventional example, making effective use of rainwater to make the environment around the building cool in the summer, and fine particles floating in the air such as pollen, yellow sand and harmful substances Another object of the present invention is to provide a rainwater utilization system that can prevent floating of water, prevent moss and mold on the outer wall of a building, or suppress pet odor.

  In order to solve the above problems, the present invention has the following configuration.

  The rainwater utilization system of the present invention includes a rain gutter 1 for draining rainwater, a purifying device 2 for purifying rainwater, a water storage unit 4 for storing purified rainwater, and water supply for feeding rainwater collected in the water storage unit 4. It is characterized by comprising a pump 5 and a mist spraying section 6 for spraying the water supplied from the water supply pump 5 in a mist form.

  With such a configuration, the rainwater drained by the gutter 1 is stored in the water storage unit 4, and the rainwater stored in the water storage unit 4 is supplied to the mist spraying unit 6 by the water supply pump 5. The rainwater can be released as a mist and effectively reused. And by discharging mist from the mist spraying section 6 to the outside, even if the mist is discharged outdoors unlike shower water, the clothes and the walls of the building 7 are soaked with large droplets of water so that they do not get wet. Odor components such as yellow sand, pollen, harmful substances, and pet odors floating on the mist can be attached to the mist particles and dropped, so that yellow sand, pollen, and pet odors can be prevented from entering the building 7. In addition, by releasing rainwater as mist from the mist spraying section 6 in the summer, it is possible to cool the hot air in the summer and create a cool environment. As in the case, a cool feeling is obtained without getting wet and getting wet. Further, unlike the case where shower water is sprinkled, water droplets do not wet clothes or the outer wall 8 of the building 7 by dipping them, or do not make the ground soil muddy. In addition, since the rainwater is purified by the purification device 2, when the mist is generated and released by the mist spraying unit 6, dust and impure particles contained in the rainwater do not become a hindrance to the mist generation and are stable. Mist that does not contain dust or impure fine particles can be generated and released, and the dust or impure fine particles do not cause inconvenience in clogging or mist generation in the mist spraying section 6, and dust or impure Since mist that does not contain fine particles is released, even if the mist adheres to clothes, walls, or windows, they are not soiled.

  Moreover, it is preferable that the mist spraying part 6 sprays micron-sized mist.

  With this structure, yellow sand, pollen, harmful substances, etc. can be attached to micron-sized mists and reliably fall to the ground surface, and the summer air can be cooled to create a cool environment. it can.

  Moreover, it is preferable that the mist spraying unit 6 includes one that sprays the micron-sized mist and one that generates and sprays nanometer-sized charged fine particle water having radicals by electrostatic atomization.

  By having such a configuration, in addition to the operational effects of spraying the micron-sized mist, the nanometer-sized charged fine particle water having radicals is generated and sprayed. 7 can prevent the occurrence of moss and mold on the outer wall 8, and also has the effect of inactivating pollen and harmful substances and deodorizing by radicals.

  Moreover, it is preferable to provide the silver ion mixing means 10 which mixes silver ion into rain water in the water storage part 4 or the flow path of rain water.

  By having such a configuration, there is a sterilization effect by silver ions, and it is possible to prevent moss and mold generation on the outer wall 8 of the building 7.

  Moreover, it is preferable that the mist spraying part 6 is arranged on the outdoor side of the opening 9 of the building 7.

  With such a configuration, mist can be discharged from the mist spraying portion 6 to the outdoor side of the opening 9, and yellow sand, pollen and harmful substances can be prevented from entering the indoor from the opening 9 with a simple configuration. In addition, when entering the indoor from the outside, pollen attached to the clothes can be attached to the mist, so that the pollen attached to the clothes can be prevented from scattering indoors.

  Moreover, it is preferable that the mist spraying part 6 is provided in the upper part on the outdoor side of the opening part 9.

  By setting it as such a structure, by providing the mist spraying part 6 in the upper part of the outdoor side of the opening part 9, by discharging | emitting mist from the mist spraying part 6 provided in the upper part of the opening part 9, the opening part 9 whole Mist can be scattered to the inside, and yellow sand, pollen or harmful substances can be prevented from entering the indoor through the opening 9, and outdoor air cooled by mist in summer can be effectively taken into the indoor through the opening 9. It is possible to cool indoors.

  Moreover, it is preferable that the mist spraying part 6 is provided in the lower part on the outdoor side of the opening part 9.

  By setting it as such a structure, a mist can be effectively applied to the small animal like a pet in the lower part of the opening part 9, and a pet odor can be removed effectively.

  Moreover, it is preferable that the mist spraying direction is set so that mist is sprayed from the mist spraying part 6 toward the outer wall 8 of the building 7 or the fittings provided on the outer wall 8 of the building 7.

  By having such a configuration, the outer wall 8 of the building 7 or the joinery 11 provided in the opening 9 of the outer wall 8 is effectively misted to effectively cool the outer wall 8 and the joinery 11 in summer. Alternatively, in the case where the mist has a bactericidal effect or a deodorizing effect, generation of moss or mold is suppressed, and there is a deodorizing effect.

  Further, a water level detection means 12 for detecting the water level in the water storage section 4 is provided, and when the water level in the water storage section 4 falls to the lower limit water level, there is provided a tap water supply means 13 for supplying tap water to a set predetermined water level. Is preferred.

  By adopting such a configuration, even when the water level in the water storage unit 4 becomes low without raining, the mist spraying unit 6 generates and releases mist when necessary by replenishing tap water. Can do.

  Since the present invention is configured as described above, it is possible to effectively use rainwater, remove dust and fine particles contained in rainwater, and generate and release mist, thereby cooling the environment around the building in summer. It can be used as an environment, to suppress the floating of fine particles floating in the air such as pollen, yellow sand, and harmful substances, to prevent moss and mold on the outer wall of the building, or to suppress pet odor.

It is a schematic block diagram of one Embodiment of this invention. It is a schematic block diagram of other embodiment. It is a schematic block diagram of other further another embodiment. It is a schematic block diagram of other further another embodiment. It is a schematic block diagram which shows the example provided with the mist spraying part which produces | generates and sprays micron size mist as a mist spraying part, and the mist spraying part which produces | generates and sprays nanometer size mist.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

  FIG. 1 shows a schematic configuration diagram of an embodiment of the rainwater utilization system of the present invention. The rainwater utilization system of the present invention collects and drains rainwater that has fallen on the roof 14 (including the rooftop) of the building 7. A rain gutter 1, a purification device 2 that purifies rain water that drains the rain gutter 1, a water storage unit 4 that collects rain water purified by the purification device 2, and a water supply pump 5 that feeds rain water collected in the water storage unit 4 And a mist spraying unit 6 for mist-forming and spraying water supplied from the water supply pump 5.

  FIG. 1 shows an example in which an eaves gutter 1a, a water collector 1b, and a vertical gutter 1c are provided as a gutter 1 that drains rainwater that has fallen on the roof 14. That is, the eaves eaves 1a are disposed at the eaves of the roof 14, the water collector 1b is attached to the eaves eaves 1a, and the upper end of the vertical eaves 1c is connected to the water collector 1b. A rainwater tank 3 is installed on the outdoor side of the building 7. The rainwater tank 3 has a purification device 2 for removing dust and impure fine particles contained in the rainwater, and a reservoir for storing the purified rainwater. 4 is provided.

  A distributor 15 is provided in the middle of the downspout 1c. The distributor 15 causes a part of rainwater flowing in the upper part of the downspout 1c to flow to the rainwater tank 3 side and the rest to flow in the lower part of the downspout 1c. It is designed to distribute and flow. The distributor 15 and the purification device 2 are connected to each other by a communication pipe 16. When supplying a part of the rainwater distributed by the distributor 15 to the rainwater tank 3 side, first, the rainwater is passed through the purification device 2 to be purified. The dust removal unit provided in 2 removes relatively large rainwater contaminants such as dust by the purification device 2, and further removes particulates mixed in the rainwater by the filtration unit provided in the purification device 2. ing. A dust removing unit that removes relatively large rainwater contaminants such as dust may be provided in the distributor 15.

  The rainwater purified by the purification device 2 as described above is stored in the water storage unit 4. A water level sensor 12 for detecting the water level in the water storage section 4 and a water level detection means 12 such as a ball tap are provided, and the water level detection means 12 detects the lowest water level and the highest water level. And the water storage part 4 is provided with the water supply apparatus which has the tap water supply means 13, and if it detects that the water level in the water storage part 4 fell to the minimum water level by the said water level detection means 12, the tap water supply means 13 When a certain valve device is opened and tap water is supplied from the water supply device to the water storage unit 4 and a predetermined water level set by the water level detection means 12 is detected, the tap water supply means 13 is closed and the supply of tap water is stopped. It is supposed to be. Further, the water storage section 4 is provided with an overflow port (not shown) at the highest water level set above or slightly above, and when rain water flows into the difference high water level or higher, the rain water tank is supplied from the overflow port. 3 It drains to the outside.

  The rainwater tank 3 is provided with a water supply pump 5, and a mist spray unit 6 is connected to the water supply pump 5 through a water supply pipe 19.

  The mist spraying part 6 is arranged on the outdoor side of the building 7 and is provided on the outer wall 8 of the building 7, the frame part 18 of the opening 9 provided in the outer wall 8, the eaves ceiling, etc. Mist is discharged into the lower space of 20.

  In the embodiment shown in FIG. 1, an example in which the mist spraying portion 6 is provided in the frame portion 18 of the opening 9 provided in the outer wall 8 of the building 7 is shown. That is, the mist spraying part 6 is provided in the frame part 18 of the opening part 9 such as a window or an entrance / exit provided on the outer wall 8. Here, since the frame portion 18 of the opening 9 such as a window or a door is generally made of an aluminum sash frame material, the water supply pipe 19 is passed along the inside or the outside of the aluminum sash frame material. The mist spraying part 6 connected to the water supply pipe 19 is disposed at an arbitrary position of the frame part 18 of the opening 9.

  The mist spraying part 6 has an atomizing means and atomizes the purified rainwater supplied from the water supply pump 5 to generate and discharge mist. As the atomization means, conventionally known various methods for atomizing water can be adopted.

  Here, the mist generated by atomizing the rainwater with the atomizing means has a particle size of micron size, and when released into the air, it evaporates immediately even if it hits clothes or the outer wall 8, like a shower. The clothes will not be submerged.

  In the rainwater utilization system described above, rainwater that has fallen on the roof 14 flows into the eaves fence 1a, and further flows from the eaves fence 1a to the vertical fence 1c via the water collector 1b. A part of the rainwater that has flowed to the vertical gutter 1c is caused to flow directly to the lower part of the vertical gutter 1c by the distributor 15, but a part of the rainwater is purified by flowing to the purification device 2 via the communication pipe 16, and the purified rainwater is stored in the reservoir 4 Accumulate on.

  By operating the water supply pump 5, purified rainwater is supplied to the water storage unit 4 to the mist spraying unit 6, atomized by the atomizing means provided in the mist spraying unit 6 to generate mist, and the tip of the mist spraying unit 6 It discharges to the outside from the ejection part of the part.

  The mist released into the outdoor space of the building 7 in this way has a much smaller particle size than the shower water, so even if it is released into the outdoor space, the clothes and the outer wall 8 of the building 7 will be submerged. There is nothing to do. When the mist falls while floating in the air on the outdoor side, odor components such as yellow sand, pollen, harmful substances, and pet odor adhere to the mist particles and fall. Therefore, it can be disabled by capturing and dropping yellow sand, pollen, and pet odor outside the building 7 so that the yellow sand, pollen, and pet odor do not enter the building 7.

  Moreover, if rainwater is discharged as mist from the mist spraying part 6 in the summer, the air heated in the summer can be cooled to create a cool environment. Thus, a cool feeling can be obtained inside and outside the building 7 without being submerged. Further, unlike the case where shower water is sprinkled, water droplets do not wet clothes or the outer wall 8 of the building 7 or soak the ground with water.

  In particular, when the mist spraying part 6 is arranged on the outdoor side of the opening 9 such as a window or entrance / exit of the building 7, the mist can be discharged from the mist spraying part 6 to the outdoor side of the opening 9. Therefore, yellow sand, pollen, and harmful substances can be captured by being attached to the mist outside the opening 9 and dropped onto the ground. Even if the opening 9 is opened, yellow sand, pollen, and harmful substances do not enter the room. You can In addition, when opening the opening 9 that is the doorway, when entering the indoor from the outdoors, pollen attached to the clothes can be attached to the mist, it is possible to prevent the pollen attached to the clothes from scattering indoors It becomes.

  Further, since the space below the ridge 20 is shaded, by releasing the mist from the mist spraying section 6 to the space below the ridge 20, the mist is not instantly evaporated by sunlight simultaneously with the release. It can be effectively sprayed over a wide area below the kite 20, and the effect of cooling the air and the effect of adhering yellow sand, pollen, harmful substances, etc. and falling to the ground can be more reliably exhibited.

  In the embodiment shown in FIG. 1, an example is shown in which mist spraying portions 6 are respectively provided on the upper portion and the lower portion of the opening 9 on the outdoor side.

  Thus, when the mist spraying part 6 is provided in the upper part on the outdoor side of the opening 9, the mist can be scattered over the entire opening 9 by discharging the mist from the mist spraying part 6 provided in the upper part of the opening 9. In addition, yellow sand, pollen or harmful substances can be prevented from entering the opening 9 indoors, and outdoor air cooled by mist in summer can be effectively taken indoors from the opening 9. Moreover, by providing the mist spraying part 6 at the lower part on the outdoor side of the opening 9, it is possible to effectively apply mist to the small animal such as a pet at the lower part of the opening 9, thereby removing pet odors and the like. Can be done effectively.

  In the embodiment of FIG. 1, an example in which the mist spraying part 6 is provided on the upper part and the lower part of the opening 9 on the outdoor side is shown, but the mist spraying part 6 is provided only on the upper part or the lower part of the opening 9 on the outdoor side. May be.

  FIG. 2 shows another embodiment of the present invention. This embodiment is the same as the above-described embodiment, but silver that mixes silver ions into rainwater in the water storage section 4 or the rainwater flow path. The difference is that the ion mixing means 10 is provided. In FIG. 2, a rainwater tank 3 is provided with a water storage unit 4, a purification device 2, a water supply pump 5, and silver ion mixing means 10.

  The silver ion mixing means 10 is provided with silver ion generating means by, for example, electrolysis, and silver ions generated by the silver ion generating means are mixed in rain water.

  In this embodiment, since rainwater mixed with silver ions is supplied to the mist spraying unit 6, the mist generated by the mist spraying unit 6 and released to the outside is a mist containing silver ions. Therefore, the mist containing silver ions has a sterilizing effect due to silver ions in addition to the action of the mist. For this reason, when the mist containing silver ions adheres to the outer wall 8, the outer wall 8 It is possible to prevent the occurrence of mold and moss.

  3 and 4 show still another embodiment of the present invention. In this embodiment, the spraying direction of the mist discharged from the mist spraying part 6 is the fitting 11 provided on the outer wall 8 of the building 7 or the opening 9 of the outer wall 8 of the building 7 (entrance doors, window shutters and glass screens). It is set to spray toward.

  3 and 4, the mist spraying portion 6 is attached to the eaves ceiling, and the mist is discharged toward the outer wall 8 of the building 7 or the fitting 11 provided in the opening 9 of the outer wall 8 of the building 7. Although the mist spraying part 6 is provided in the frame part 18 of the opening 9, the mist is directed toward the fitting 11 provided on the outer wall 8 of the building 7 or the opening 9 of the outer wall 8 of the building 7. You may make it discharge | release.

  Thus, when the mist spraying direction is set so as to spray the mist from the mist spraying section 6 toward the outer wall 8 of the building 7 or the fitting provided on the outer wall 8 of the building 7, the outer wall 8 of the building 7 is set. Or when the mist is effectively applied to the joinery 11 provided in the opening 9 of the outer wall 8 to effectively cool the outer wall 8 and the joinery 11 in the summer, or when the mist has a sterilizing effect or a deodorizing effect. Suppresses the generation of moss and mold on the outer wall 8 and the joinery 11 and has a deodorizing effect.

  FIG. 5 shows still another embodiment of the present invention. In each of the embodiments described above, an example in which a micron-sized mist is sprayed as the mist spraying unit 6 has been described. However, in the present embodiment, a mist spraying that generates micron-sized mist as the mist spraying unit 6 and sprays it to the outside. Unit 6a and a mist spraying unit 6b that generates and sprays nanometer-sized charged fine particle water having radicals by electrostatic atomization.

  The mist spraying section 6a generates micron-sized mist and discharges it to the outside as described above. Further, the mist spraying part 6b includes a discharge electrode 21, a water reservoir part 22 that branches off from the water supply pipe 19 having the atomizing part 6a at the tip thereof and stores a small portion of rainwater supplied from the water supply pump 5, It is comprised with the water supply means 23 using the capillary phenomenon etc. for supplying the rain water collected in the water reservoir part 22 to the discharge electrode 21, and by applying a high voltage to the discharge electrode 21, the front-end | tip of the discharge electrode 21 is comprised. The water supplied to the water is electrostatically atomized to produce countless charged fine particle water of nanometer size. This charged fine particle water generates radicals during electrostatic atomization and is contained in the charged fine particle water. Will be.

  The micron-sized mist is sprayed from the mist spraying part 6a to provide the above-described effects. In addition to this, nanometer-sized charged fine particle water having radicals is generated and sprayed from the mist spraying part 6b. Thus, the sterilization effect by radicals can prevent the occurrence of moss and mold on the outer wall 8 of the building 7, and the radicals inactivate pollen and harmful substances and have a deodorizing effect.

  Here, when the micron-sized mist is discharged from the mist spraying part 6a, simultaneously, a high voltage is applied to the discharge electrode 21 of the mist spraying part 6b to discharge nanometer-sized charged fine particle water containing radicals. Alternatively, when the operation of discharging the micron-sized mist from the mist spraying part 6a is performed, the operation of discharging the nanometer-size mist from the mist spraying part 6b is not performed, and the nanometer-size mist is discharged from the mist spraying part 6b. When performing the discharge operation, the operation mode may be selected so that the micron-sized mist is not discharged from the mist spray unit 6a.

  When the operation of discharging the micrometer size mist from the mist spraying part 6a is not performed during the operation of discharging the nanometer size mist from the mist spraying part 6b, the operation of the water supply pump 5 is stopped. The supplied rainwater is supplied to the tip of the discharge electrode 21 by the water supply means 23, and the amount of water used for electrostatic atomization may be small compared with the case where micron-sized mist is generated. Even if the operation of 5 is stopped, there is no problem in the supply of electrostatic atomized water.

  In the example of generating charged fine particle water by electrostatic atomization, a counter electrode (not shown) is provided at the tip of the discharge electrode 21, and a high voltage is applied between the discharge electrode 21 and the counter electrode to discharge the discharge electrode. The rainwater supplied to the tip of the battery may be atomized electrostatically, or the counter electrode may not be provided for electrostatic atomization.

  In addition, when a mist spraying part 6a that discharges micron-sized mist and a mist spraying part 6b that discharges nanometer-size charged fine particle water containing radicals are provided, the mist spraying part 6a is arranged on the outdoor side to provide a micron. The size mist may be discharged outdoors, and the mist spray unit 6b may be disposed indoors so that the charged particulate water is discharged indoors. When the charged fine particle water is discharged indoors, it can exert a deodorizing effect and a sterilizing effect indoors.

DESCRIPTION OF SYMBOLS 1 Gutter 2 Purification apparatus 4 Water storage part 5 Water supply pump 6 Mist spray part 7 Building 8 Outer wall 9 Opening part 10 Silver ion mixing means 11 Joining

Claims (9)

  A mist that drains rainwater, a purification device that purifies rainwater, a water storage unit that stores purified rainwater, a water supply pump that supplies rainwater collected in the water storage unit, and water that is supplied from the water supply pump A rainwater utilization system comprising a mist spraying unit for spraying and spraying.   The rainwater utilization system according to claim 1, wherein the mist spraying section sprays micron-sized mist.   2. The mist spraying section includes a sprayer for spraying the micron-sized mist, and a sprayer for generating and spraying nanometer-sized charged fine particle water having radicals by electrostatic atomization. The rainwater utilization system described.   The rainwater utilization system according to any one of claims 1 to 3, wherein silver ion mixing means for mixing silver ions into the rainwater is provided in the rainwater reservoir or the rainwater channel.   The rainwater utilization system according to any one of claims 1 to 4, wherein the mist spraying part is disposed on the outdoor side of the opening of the building.   The rainwater utilization system according to claim 5, wherein a mist spraying portion is provided at an upper portion on the outdoor side of the opening.   The rainwater utilization system according to claim 4 or 5, wherein a mist spraying portion is provided at a lower portion on the outdoor side of the opening.   The mist spraying direction is set so that the mist is sprayed from the mist spraying portion toward the outer wall of the building or the fitting provided on the opening of the outer wall of the building. The rainwater utilization system according to any one of the above.   2. A water level detecting means for detecting a water level in the water storage section is provided, and tap water supply means for supplying tap water to a predetermined water level when the water level in the water storage section falls to a lower limit water level is provided. The rainwater utilization system according to any one of claims 8 to 9.

Images