JP5302694B2 - Fragrance supply device and pavement structure - Google Patents

Description

  The present invention relates to a fragrance supply device that supplies fragrance to a pavement and a pavement structure including the same.

Conventionally, adding a fragrance | flavor in the manufacturing process of a pavement material is performed.
For example, Patent Document 1 discloses a paving block in the process of manufacturing a paving block in which recycled rubber chips such as old tires, pigments, catalysts, adhesives, and additives are stirred and mixed, poured into a formwork, and dried. It is disclosed that a fragrance is added in accordance with the scenery (environment) of the installation location of the block.

On the other hand, an antifreezing agent or a snow melting agent is supplied to the road surface according to environmental conditions.
For example, Patent Document 2 includes measurement detection means for measuring and detecting environmental conditions such as snowfall conditions, outside air temperature, and road surface temperature, and is previously set as climate / temperature data based on electrical signals from the measurement detection means. A road surface anti-freezing agent and a snow melting agent spraying device that control the operation of a spray pump that sprays a solution such as a snow melting agent on a road surface with reference to input data are disclosed.

Utility Model Registration No. 3016413 Japanese Patent No. 3170705

  However, in the conventional paving block, since the fragrance is added in the manufacturing process of the paving material, it is difficult to change the scent afterwards according to the environment and season. Moreover, it was difficult to maintain the scent.

  In addition, in the conventional spreading | diffusion apparatus, although dispersion | spreading of antifreezing agents etc. is performed, it is not disclosed at all about spraying a fragrance | flavor. In addition, there is no disclosure about sorting and storing a plurality of fragrances and selecting and supplying the fragrances.

This invention is made | formed in view of these situations, and makes it a subject to provide the fragrance | flavor supply apparatus and pavement structure which can supply a fragrance | flavor to a pavement.
Moreover, this invention makes it another subject to provide the fragrance | flavor supply apparatus and pavement structure which can change the fragrance of a pavement according to the surrounding environment of a pavement.

  The fragrance supply device according to the present invention is a storage means for dividing and storing a plurality of fragrances, a measuring means for measuring environmental conditions around the pavement, and a storage means for storing supply conditions for each of the fragrances in advance. Of the plurality of fragrances, the fragrance selection means for selecting the fragrance whose supply condition matches the environmental condition, and the supply means for supplying the fragrance selected by the fragrance selection means from the storage means to the pavement. And.

  According to this configuration, when the environmental condition around the pavement is measured by the measuring means, the fragrance whose supply condition is suitable for the environmental condition is selected from the plurality of fragrances stored in the storage means. The fragrance selected by the selection means is supplied to the pavement by the supply means. Therefore, the scent suitable for the environmental conditions around the pavement is given to the pavement.

The measuring means is preferably configured to measure at least one of temperature, humidity and time as environmental conditions. Moreover, it is preferable that the supply conditions of each fragrance | flavor make an environmental condition measured with the said measurement means a parameter.
The storage of the fragrance in the storage means is not particularly limited, and the fragrance may be stored in a solution mixed with a solvent (for example, water), or the fragrance and the solvent may be stored separately. May be.

Further, the fragrance supply device according to the present invention includes a storage means for storing a fragrance, a supply means for supplying the fragrance to the pavement, a storage means for storing in advance a time for supplying the fragrance to the pavement, Control means for controlling the supply means based on time .
Further, the pavement structure according to the present invention includes a pavement, a storage means for dividing and storing a plurality of fragrances, a measurement means for measuring environmental conditions around the pavement, and supply conditions for each fragrance in advance. Storage means for storing; perfume selecting means for selecting the perfume whose supply condition is suitable for the environmental condition among the plurality of perfumes; and the perfume selected by the perfume selecting means from the storage means to the pavement Supply means for supplying to the body.
Further, the pavement structure according to the present invention includes a pavement, a storage unit for storing the fragrance, a supply unit for supplying the fragrance to the pavement, and a memory for storing in advance the time for supplying the fragrance to the pavement. Means and control means for controlling the supply means based on the time.

  According to this structure, while storing a fragrance | flavor, a fragrance | flavor can be supplied to a pavement as needed. Therefore, while being able to maintain a fragrance, if the stored fragrance | flavor is changed, a fragrance can also be changed.

Moreover, it is preferable that the pavement has a water retention layer capable of retaining moisture.
If it does in this way, since the solution containing a fragrance | flavor is hold | maintained at the water retention layer of a pavement, the duration of fragrance can be increased.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the fragrance | flavor supply apparatus and pavement structure which can supply a fragrance | flavor to a pavement.

It is sectional drawing of a pavement structure provided with the dispersion device which concerns on this embodiment. It is a block diagram of a control part. It is a flowchart which shows operation | movement of a spreading device. It is sectional drawing of the pavement in a modification.

  Embodiments of the present invention will be described in detail with reference to the drawings. In the description, the same elements are denoted by the same reference numerals, and redundant description is omitted.

FIG. 1 is a cross-sectional view of a pavement structure including a spraying device according to the present embodiment.
As shown in FIG. 1, the pavement structure 1 includes a pavement 2 that forms a road surface such as a road or a plaza, and a fragrance supply device 3 that supplies a solution W containing a fragrance to the pavement 2.

  The pavement 2 is, for example, asphalt pavement, and includes a surface layer, a base layer, a roadbed, and the like. Inside the pavement 2, a supply pipe 21 and a nozzle 22 which are a part of a supply device 6 to be described later are provided. The supply pipe 21 is piped in the road transverse direction and longitudinal direction (not shown). The supply pipe 21 includes a plurality of nozzles 22 for discharging the solution W. The nozzle 22 is exposed (opened) on the surface 2 a of the pavement 2.

  In addition, the kind of pavement 2 is not specifically limited, What kind of pavement may be used, such as concrete pavement, block pavement, and turf stone pavement other than asphalt pavement. Moreover, special pavements, such as a water retention pavement, a water-permeable pavement, and a semi-flexible pavement, may be sufficient. In particular, if a water-permeable pavement is employed, there is no water splash to the pedestrian, which is preferable.

The fragrance supply device 3 is a device that supplies the pavement 2 with the solution W containing the fragrance. The fragrance | flavor supply apparatus 3 is installed in the green space etc. by the side of a road, for example. As the fragrance supply device 3, for example, an antifreezing agent spraying device for spraying the antifreezing agent on the road surface in winter can be used by improving it.
The perfume supply device 3 includes a ground water tank 4 that stores the solution W containing the perfume, a measuring device 5 that measures environmental conditions around the pavement 2, a supply device 6 that supplies the solution W to the pavement 2, and And a control unit 7 for controlling the supply device 6.

The underground water tank 4 is a concrete box-shaped water tank that stores a solution W containing a fragrance, and is buried underground. The underground water tank 4 is divided into three spaces S1, S2, and S3 by two partition walls 41. The upper part of the underground water tank 4 is closed by a concrete lid 42.
Moreover, although illustration is abbreviate | omitted, the groundwater tank 4 supplies (supplements) the solution W to each space S1, S2, S3 and the measuring apparatus which measures the residual amount of the solution W in each space S1, S2, S3. And a solution supply unit.

  The solution W stored in the underground water tank 4 is composed of, for example, three types of solutions W1, W2, and W3. The solution W1 is, for example, a solution containing an antifreezing agent, and is stored in the space S1. The solution W2 is a solution containing a fragrance and is stored in the space S2. The solution W3 is a solution containing a fragrance different from the solution W2, and is stored in the space S3.

  In this embodiment, the fragrance is stored in a state mixed with a solvent (solution state). However, both the fragrance and the solvent (for example, water) are separately stored and supplied to the pavement 2. May be mixed.

The fragrance may be any fragrance such as a natural fragrance extracted from plants or animals, a chemically synthesized synthetic fragrance, or a mixture of these.
Incidentally, in the present embodiment, the solution W2 is mixed with a fragrance having a refreshing fragrance (for example, summer mandarin fragrance) that matches well in the early morning of summer. In addition, the solution W3 is mixed with a fragrance (for example, peppermint fragrance) that promotes daytime activities.

  The measuring device 5 is a device that measures environmental conditions around the pavement 2. Specifically, the measuring device 5 measures temperature T, humidity, precipitation Q, time H, and the like. Measurement data measured by the measuring device 5 is sent to the control unit 7 to be described later.

The supply device 6 is a device that supplies the solution W stored in the underground water tank 4 to the pavement 2. The supply device 6 includes suction pipes 61, 62, 63, a collecting pipe 64, a pump P, electromagnetic valves V ₁ , V ₂ , V ₃ , the supply pipe 21, and a plurality of nozzles 22. I have.

The suction pipes 61, 62, 63 are pipes for sucking up the solutions W1, W2, W3 from the spaces S1, S2, S3 of the underground water tank 4, respectively. The lower ends of the suction pipes 61, 62, 63 are inserted into the spaces S1, S2, S3. The upper ends of the suction pipes 61, 62, 63 are connected to the collecting pipe 64.
The collecting pipe 64 is a pipe that connects the suction pipes 61, 62, 63 and the pump P.
The pump P is a device that sucks up each solution W1, W2, W3 from each space S1, S2, S3 of the underground water tank 4. A collecting pipe 64 is connected to the upstream side of the pump P. The supply pipe 21 is connected to the downstream side of the pump P.
The solenoid valves V ₁ , V ₂ , and V ₃ are devices that open and close the suction pipes 61, 62, and 63, respectively, and are installed at intermediate portions of the suction pipes 61, 62, and 63. The solenoid valves V ₁ , V ₂ , V ₃ are electrically connected to the control unit 7, and the solution W (fragrance) to be sucked up can be selected by switching the combination of opening and closing.

FIG. 2 is a block diagram of the control unit.
The control unit 7 is a device that controls the supply device 6. The control unit 7 includes, for example, an arithmetic processing device such as a CPU and a storage device such as a RAM and a ROM.
The control unit 7 includes a storage unit 71, a solution selection unit 72, a valve control unit 73, and a pump control unit 74.

The memory | storage part 71 has a function which memorize | stores the supply conditions (namely, supply conditions of each fragrance | flavor) of each solution W1, W2, W3 set beforehand.
In this embodiment, the supply condition of the solution W1 is when the rainfall amount Q is larger than the threshold value Q _A (for example, Q _A = 0 mm / hour) and the temperature T is equal to or lower than the threshold value T _A (for example, T _A = 0 ° C.). The pavement 2 is set so as to be supplied (see FIG. 3).
The supply condition of the solution W2 is rainfall Q or less the threshold value _{Q A,} greater than the temperature T is the threshold value _{T A,} and, if the time H is between 6:00 9:00 pavement It is set to be supplied to the body 2.
The supply condition of the solution W3 is rainfall Q is equal to or less than the threshold value _{Q A,} greater than the temperature T is the threshold value _{T A,} and, if the time H is between 9:00 15:00 paving It is set to be supplied to the body 2.
In addition, the storage unit 71 stores the solutions W1, W2, and W3 in association with the spaces S1, S2, and S3 that store these solutions.

The solution selection unit 72 refers to the supply conditions of the solutions W1, W2, and W3 stored in advance in the storage unit 71 based on the measurement data of the environmental conditions sent from the measurement device 5, and each solution W1, Among the W2 and W3, the solution W has a function of selecting the solution W whose supply condition matches the environmental condition as the solution W to be supplied to the pavement 2.
The solution selection unit 72 is configured to transmit a solution selection signal related to the selected solution W to the valve control unit 73.
The solution selection unit 72 corresponds to “fragrance selection means” in the claims.

Based on the solution selection signal sent from the solution selection unit 72, the valve control unit 73 opens the electromagnetic valve V corresponding to the space S in which the selected solution W is stored, and opens the other electromagnetic valves V. a signal for closing, has a function to send to each of the electromagnetic valves _{V 1, V 2, V 3} .
The valve control unit 73 is configured to transmit an opening / closing completion signal to the pump control unit 74 after transmitting an opening / closing signal to each of the electromagnetic valves V ₁ , V ₂ , V ₃ .

The pump control unit 74 has a function of controlling driving and stopping of the pump P. The pump control unit 74 is configured to drive the pump P by transmitting a drive command signal to the pump P when receiving the opening / closing completion signal from the valve control unit 73. The pump control unit 74 is configured to stop the pump P after a predetermined operating time has elapsed.
In this way, the control unit 7 is selected for the pavement 2 via the supply pipe 21 and the nozzle 22 by controlling the supply device 6 (more specifically, the electromagnetic valve V and the pump P) based on the environmental conditions. The solution W is supplied.

  It continues and demonstrates operation | movement of the fragrance | flavor supply apparatus 3 which concerns on this embodiment mainly with reference to FIG. 3 (FIGS. 1 and 2 suitably). FIG. 3 is a flowchart showing the operation of the spraying device.

As shown in FIG. 3, first, the solution selection unit 72 (see FIG. 2) of the control unit 7 of the fragrance supply device 3 has a rainfall Q measured by the measurement device 5 as a threshold Q _A (for example, Q _A = It is determined whether it is larger than 0 mm / hour) (step S1).

When the rainfall amount Q is 0 mm / hour or less (step S1, No), the solution selection unit 72 next determines whether or not the temperature T is higher than a threshold value T _A (eg, T _A = 0 ° C.). Determine (step S2).

  When the temperature T is higher than 0 ° C., that is, when it is not raining and there is no fear of freezing (step S2, Yes), the solution selection unit 72 has the time H from 6:00 to 9:00. It is determined whether it is between (step S3).

  When the time H is between 6:00 and 9:00 (step S3, Yes), the solution selection unit 72 refers to the supply condition of each solution W stored in advance in the storage unit 71, and paving. As the solution W to be supplied to the body 2, a solution W2 containing a fragrance with a refreshing fragrance that matches well in the early morning in summer is selected. Then, the solution selection unit 72 transmits a signal indicating that the solution W2 has been selected to the valve control unit 73.

Upon receiving a signal indicating that the solution W2 has been selected, the valve control unit 73 refers to the correspondence relationship between each solution W and each space S stored in advance in the storage unit 71 and stores the solution W2. the solenoid valve _{V 2} corresponding to the space S2 which are then opened and the other solenoid valves _V 1, _{V 3} to the closed state (step S8).
In addition, the valve control unit 73 transmits an opening / closing completion signal to the pump control unit 74 after setting the opening / closing of each electromagnetic valve V.

  The valve control unit 73 that has received the opening / closing completion signal operates the pump P (step S10), sucks up the solution W2, and supplies the solution W2 to the pavement 2 through the supply pipe 21 and the nozzle 22. Thereby, the refreshing fragrance which suits the pavement 2 well in the early morning in the summer is supplied, and the feeling of the person using the road is improved.

  On the other hand, when the time H is not between 6:00 and 9:00 (step S3, No) but between 9:00 and 15:00 (step S4, Yes), the solution selection unit 72 With reference to the supply conditions of each solution W stored in advance in the storage unit 71, a solution W3 containing a fragrance that promotes daytime activities is selected as the solution W to be supplied to the pavement 2. Then, the solution selection unit 72 transmits a signal indicating that the solution W3 has been selected to the valve control unit 73.

Upon receiving a signal indicating that the solution W3 has been selected, the valve control unit 73 refers to the correspondence between each solution W and each space S stored in advance in the storage unit 71 and stores the solution W3. the solenoid valve _{V 3} corresponding to the space S3 which are then opened and the other solenoid valves _V 1, _{V 2} to the closed state (step S9).
In addition, the valve control unit 73 transmits an opening / closing completion signal to the pump control unit 74 after setting the opening / closing of each electromagnetic valve V.

  The valve control unit 73 that has received the opening / closing completion signal operates the pump P (step S10), sucks up the solution W3, and supplies the solution W3 to the pavement 2 via the supply pipe 21 and the nozzle 22. Thereby, the fragrance | flavor which promotes activity in the daytime is supplied to the pavement 2, and the activity of the person who uses a road is encouraged.

  If the time H is before 6 o'clock or after 15 o'clock, the pump P is stopped to save supply of the solution W to the pavement 2 for saving (step S5).

By the way, when the rainfall amount Q is larger than 0 mm / hour (step S1, Yes), the solution selection unit 72 next determines whether or not the temperature T is larger than a threshold value T _A (eg, T _A = 0 ° C.). Is determined (step S6).

  And when temperature T is 0 degrees C or less (step S6, No), the solution selection part 72 refers to the supply conditions of each solution W previously stored in the memory | storage part 71, and supplies it to the pavement 2. As the solution W, a solution W1 containing an antifreezing agent is selected. Then, the solution selection unit 72 transmits a signal indicating that the solution W1 has been selected to the valve control unit 73.

Upon receiving a signal indicating that the solution W1 has been selected, the valve control unit 73 refers to the correspondence relationship between each solution W and each space S stored in advance in the storage unit 71, and stores the solution W1. the solenoid valve _{V 1} corresponding to the space S1 that are to the open state, the other electromagnetic valve _V 2, _{V 3} to the closed state (step S7).
In addition, the valve control unit 73 transmits an opening / closing completion signal to the pump control unit 74 after setting the opening / closing of each electromagnetic valve V.

  The valve control unit 73 that has received the opening / closing completion signal drives the pump P to suck up the solution W1 containing the antifreezing agent, and supplies the solution W1 to the pavement 2 through the supply pipe 21 and the nozzle 22. This prevents the road surface from freezing.

  On the other hand, when the rainfall amount Q is larger than 0 mm / hour and the temperature T is larger than 0 ° C. (step S6, Yes), it is not necessary to spray the antifreeze agent, and it is immediately after sprinkling the fragrance. Therefore, the pump P is stopped and the supply of the solution W to the pavement 2 is postponed (step S5).

  Further, when the rainfall amount Q is 0 mm / hour or less and the temperature T is 0 ° C. or less (step S2, No), there is a possibility of freezing when the solution W containing the fragrance is sprayed. Stop and stop supplying the solution W to the pavement 2 (step S5).

  According to the fragrance supply device 3 as described above, the environmental conditions around the pavement 2 are measured by the measuring device 5, and from among the plurality of solutions W1, W2, and W3 that are divided and stored in the underground water tank 4, Since the solution W that meets the environmental conditions is selected by the solution selection unit 72 of the control unit 7 and the selected solution W is supplied to the pavement 2 by the supply device 6, the scent suitable for the environmental conditions is paved. It can be given to the body 2.

  Moreover, a fragrance can be easily changed by changing the kind of solution W currently stored by the underground water tank 4. FIG. Therefore, a fragrance can be changed according to the use conditions of the pavement 2. For example, when the pavement 2 forms a road surface of a plaza such as a park, the fragrance suitable for the event can be provided by changing the fragrance according to the event performed in the plaza.

<Modification>
In the above-described embodiment, the pavement 2 is a normal asphalt pavement, but a so-called water-retaining pavement may be used as the pavement 2. The water-retaining pavement is a pavement having a function of depriving the surface of the road surface by vaporization heat, thereby depriving the surface of the road surface by vaporization heat, thereby lowering the road surface temperature.

  Below, the modification using a water retention pavement as the pavement 2 is demonstrated with reference to FIG. In the description, the same elements as those in the above-described embodiment are denoted by the same reference numerals, and redundant description is omitted.

FIG. 4 is a cross-sectional view of a paving body in a modified example.
As shown in FIG. 4, the water retention pavement 10 is configured by laminating a roadbed 11, a water shielding layer 12, a water supply layer 13, and a water retention layer 14 in this order. A supply pipe 21 is provided.

  The water-impervious layer 12 is a layer that prevents water supplied to the water supply layer 13 from permeating the roadbed 11, and is constituted by, for example, a clay layer having a relatively high density. In addition, as the water shielding layer 12, a water shielding sheet made of synthetic resin may be used.

  The water supply layer 13 is a layer for supplying moisture to the water retention layer 14. The water supply layer 13 is, for example, a silica sand having a particle size of about 0.15 mm to 0.6 mm in a continuous space of a so-called open particle size asphalt mixture formed by mixing an aggregate 13a having a particle size of about 2 mm to 20 mm and asphalt. 13b is filled. A supply pipe 21 is disposed in the water supply layer 13. The supply pipe 21 is provided with a plurality of through holes 21 a so that the solution W supplied from the pump P of the fragrance supply device 3 (see FIG. 1) is supplied to the water supply layer 13. The solution W supplied to the water supply layer 13 is sucked up by the capillary phenomenon of the silica sand 13 b and supplied to the water retention layer 14.

The water retention layer 14 is configured, for example, by filling a water retention grout 14b in a continuous void of an open particle size asphalt mixture formed by mixing an aggregate 14a having a particle size of about 2 mm to 20 mm and asphalt.
As the water retention grout 14b, a known one can be used. For example, a mixture of a silt powder, a cement solidifying agent, and an additive such as a water reducing agent or a setting retarder in a predetermined composition is used. Can do.

  According to this configuration, the water retention pavement 10 can suppress an increase in the temperature of the road surface, and since the solution W containing the fragrance is retained in the water retention pavement 10, the scent duration can be increased. . Moreover, if the fragrance | flavor of the type which relieves heat is used as a fragrance | flavor, the effect which makes a road surface cool can be improved.

  As mentioned above, although embodiment of this invention was described in detail with reference to drawings, this invention is not limited to this, In the range which does not deviate from the main point of invention, it can change suitably.

For example, in the present embodiment, a plurality of fragrances are stored separately in the underground water tank 4 serving as a storage means, but the present invention is not limited to this, and one kind of fragrance is stored. May be.
Even in such a case, since the fragrance can be supplied to the pavement 2, the fragrance can be maintained for a long time. Moreover, a fragrance can be changed afterwards by changing the fragrance | flavor to store.

  In the present embodiment, the fragrance is supplied to the pavement 2 based on the environmental conditions around the pavement 2 measured by the measuring device 5, but the present invention is not limited to this. The supply time may be stored in advance in the storage unit 71, and a perfume whose time measured by the measurement device 5 matches the time stored in the storage unit 71 may be supplied to the pavement 2. In this way, the cost can be reduced by simplifying the measuring device 5.

  Moreover, in this embodiment, although the piping 21 was embed | buried inside the pavement 2, you may make it form a groove | channel in the surface 2a of the pavement 2, and make a fragrance | flavor (or solution containing a fragrance | flavor) flow into the groove | channel. .

  Moreover, in this embodiment, although the solution W was made to contain a fragrance | flavor, you may make it spray the solution containing a deodorant component in an environment with strong odor, for example. Moreover, you may contain the fragrance | flavor which emits an insect-proof odor.

  In addition, the scent may be changed according to the user who uses the pavement 2. Possible users include infants, elementary school students, junior high school students, high school students, university students, working adults, elderly people, men, and women. Among these users, a solution W containing a fragrance preferred by a specific user may be supplied to the pavement 2 in accordance with a time period in which there are many specific users (for example, school hours for elementary school students). Good.

  Further, although different from the present invention, a solution containing a fungicide may be sprayed in a place where mold or the like is likely to be generated on the road surface.

DESCRIPTION OF SYMBOLS 1 Pavement structure 2 Pavement body 3 Spraying device 4 Groundwater tank 41 Bulkhead 5 Measuring device 6 Solution supply device 7 Control part 71 Memory | storage part 72 Solution selection part 73 Valve control part 74 Pump control part P Pump W Solution

Claims (6)

Storage means for storing a plurality of perfumes separately;
Measuring means for measuring environmental conditions around the pavement,
Storage means for storing supply conditions for each fragrance in advance;
Of the plurality of fragrances, the fragrance selection means for selecting the fragrance in which the supply condition matches the environmental conditions;
Supply means for supplying the perfume selected by the perfume selection means from the storage means to the pavement;
The fragrance | flavor supply apparatus characterized by including.   The fragrance supply device according to claim 1, wherein the measurement unit measures at least one of temperature, humidity, and time as the environmental condition. Storage means for storing perfume;
Supply means for supplying the fragrance to the pavement;
Storage means for storing in advance the time for supplying the perfume to the pavement;
Control means for controlling the supply means based on the time;
The fragrance | flavor supply apparatus characterized by including. Paved body,
Storage means for storing a plurality of perfumes separately;
Measuring means for measuring environmental conditions around the pavement,
Storage means for storing supply conditions for each fragrance in advance;
Of the plurality of fragrances, the fragrance selection means for selecting the fragrance in which the supply condition matches the environmental conditions;
Supply means for supplying the perfume selected by the perfume selection means from the storage means to the pavement;
A pavement structure characterized by comprising: Paved body,
Storage means for storing perfume;
Supply means for supplying the perfume to the pavement;
Storage means for storing in advance the time for supplying the perfume to the pavement;
Control means for controlling the supply means based on the time;
A pavement structure characterized by comprising: The pavement structure according to claim 4 or 5, wherein the pavement has a water retention layer capable of holding moisture.

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