JP3585165B2 - Evaporator - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to evaporators.
[0002]
[Prior art]
As an evaporator for evaporating agent, there is an evaporating device in which a housing portion for storing and heating an evaporating container containing an evaporating agent is formed in a housing, and an aroma evaporating port is provided on a surface of the housing surrounding the housing portion.
[0003]
[Problems to be solved by the invention]
In order to change the surface appearance of the housing or to change the number and shape of the aroma evaporating ports, it is necessary to separately manufacture the entire evaporator including the housing and the like, resulting in poor productivity.
[0004]
Further, in order to incorporate a heater as a heating source for the evaporant into the housing, it is necessary to assemble the heater assembly into a mold and insert-mold the heater assembly, resulting in poor productivity.
[0005]
An object of the present invention is to easily change the surface appearance and the number and shape of fragrance evaporation ports without impairing the productivity of the evaporator.
[0006]
Another object of the present invention is to easily incorporate a heater without impairing the productivity of the evaporator.
[0007]
[Means for Solving the Problems]
The invention according to claim 1 is characterized in that a cap is provided on the front face facing the interior of the housing , a container storage portion is formed between the housing and the cap and directed downward from an upper opening, and the evaporation container containing the evaporating agent is transferred from the opening to the container. A cap that is exchangeably stored in the storage section to enable heating , the cap is a separate body from the housing, and is an evaporator including an aroma evaporating port, wherein the housing is a combined body of the first housing and the second housing; and forming an inner surface of the container storage portion by the first housing, the inner surface of the center portion of the inner surface incorporate heaters between the first housing and the second housing, toward the lower heat radiating center of the heater from the top of the container storage unit The evaporator is shifted to the lower part along the line .
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
As shown in FIGS. 1 and 2, the evaporator (heater) 10 includes a housing 11 for storing an evaporating container 30 in a housing 11. The container storage part 12 has an upper part opened in a dome shape, and the evaporation container 30 is put in and out of the opening. The inner surface 12A of the container storage portion 12 is formed into a spherical curved surface or a curved surface, and the lower storage space of the container storage portion 12 is formed so that the cross-sectional area gradually decreases from the convex portion 12B. A cap 13 is detachably provided on the front surface of the housing 11 with the container storage section 12 interposed therebetween, and the cap 13 is provided with a fragrance evaporation port 13A.
[0009]
The housing 11 of the evaporator 10 includes a first housing 11A forming a container housing 12 and a second housing 11B detachably connected to a side of the first housing 11A opposite to the side forming the container housing 12. The heater 20 is incorporated between the first housing 11A and the second housing 11B.
[0010]
The heater 20 includes an electrode terminal 21 seated on the support surface 14 provided on the second housing 11B, a heater element 22 supported on the rear surface of the central protrusion 21A of the electrode terminal 21 and in electrical contact with the electrode terminal 21; The heat dissipation terminal 23 is in close contact with the front surface of the first housing 11A in a state of being in close contact with the front surface, and the electrode terminal 21 is connected to the plug 24. 24A is an outlet connected to the plug 24 and facing the room. The evaporator 10 is used by inserting the plug 24 into a wall outlet.
[0011]
Here, the evaporator 10 has the heater 20 configured as follows.
As shown in FIG. 2, a plurality of spring legs 21B are provided on the electrode terminals 21 of the heater 20, and the spring legs 21B are seated on the support surface 14 of the second housing 11B. The electrode terminal 21 is a plate-shaped molded body provided with a spring-made protrusion 21A and a spring-made leg 21B by press molding or the like, and also provided with a connection portion 21C with the plug 24.
[0012]
The heat dissipation terminal 23 of the heater 20 is formed in a plate shape, and the heat dissipation terminal 23 is provided along the curved inner surface 12A of the container housing portion 12 of the first housing 11A. Further, the center of the heat radiation terminal 23 is shifted toward the lower side from the center of the curved inner surface 12A of the container housing portion 12 (a protrusion 12B described later), and the heat radiation terminal 23 is positioned closer to the lower end than the upper end. The heat dissipating terminals 23 are inclined with respect to the vertical plane so as to be closer to the curved inner surface 12A.
[0013]
A heat insulating portion 25 made of a heat insulating air layer 25A is provided on the side of the housing 11 opposite to the side of the heater 20 facing the container storage section 12, in other words, around the seating portion of the electrode terminal 21 in the second housing 11B. The outer surface of 11B was not provided with a radiating fin or a radiating port.
[0014]
The heater element 22 of the heater 20 has a self-temperature control function. That is, when the temperature of the heater 20 (the heater element 22 and the heat radiation terminal 23) exceeds a certain temperature, the resistance of the heater element 22 increases, thereby restricting energization and preventing overheating. For example, when the electrode terminal 21 is made of stainless steel and the heat radiating terminal 23 is made of aluminum, and the heat radiating terminal 23 is set at 60 ° C., the heater 20 has a power consumption of 0.4 W and the inner surface 12A of the container housing 12 has a temperature of 50 ° C. The outer surface of the first housing 11B could be kept at 30 ° C. In the prior art, the power consumption for setting the inner surface 12A of the container housing 12 to 50 ° C. was 1.5 W.
[0015]
The cap 13 is separate from the housing 11, and is detachably coupled to the first housing 11A. In producing the evaporator 10, a plurality of types of caps 13 (FIGS. 3 and 4) having different surface appearances, the number of the aroma evaporating ports 13A, and different shapes are prepared in advance, and a desired cap 13 is selected according to the application and the like. To be connected to the first housing 11A.
[0016]
The evaporating container 30 has a case 31 for accommodating the evaporating agent 1 formed as a substantially spherical surface 31A along the inner surface 12A of the container storing portion 12 without or with a small gap therebetween. I do. Further, by forming the inner surface of the case 31 outwardly convex and providing the concave portion 31B on the outer surface of the convex shape, the rigidity of the surface is improved and further deformation is prevented. Further, the concave portion 31B is provided at the center of the surface of the evaporation container 30, and the convex portion 12B is provided on the inner surface 12A of the container storage portion 12 of the evaporator 10 at a position corresponding to the concave portion 31B, so that the evaporator 10 is locked with each other. Can be prevented from falling down. The opening of the case 31 is sealed with a film 32 such as a gas-permeable, stretchable film. The transpiration agent 1 may be a mixture of a perfume (which may be an insecticide or the like), a solvent, and a gelled material to form a gel.
[0017]
In the evaporator 10, the evaporator 1 is used in a state that the evaporator container 30 is exchangeably stored in the container storage portion 12 of the housing 11, and evaporates by heating the evaporator container 30 from the outside of the case 31 by the heater 20. Is transmitted through the film 32 to evaporate into the external space. At this time, as the evaporant 1 evaporates, the surface level of the evaporant 1 in the evaporating container 30 decreases due to gravity, and as the internal pressure of the case 31 is reduced by the evaporation of the evaporant 1 on the film 30, It expands and deforms concavely so as to follow the evaporant 1 remaining inside.
[0018]
Therefore, according to the present embodiment, the following operations are provided.
(Action corresponding to claim 1)
(1) Since the cap 13 having the aroma evaporating port 13A is separate from the housing 11, only the cap 13 is changed to simplify the surface appearance of the evaporator 10 and the number and shape of the aroma evaporating ports 13A. Can be changed. For example, in the evaporator 10 for a toilet, the total opening area can be increased to increase the transpiration intensity of aroma, and in the evaporator 10 for a living room, the total opening area can be reduced to decrease the transpiration intensity of the aroma.
[0019]
(Action corresponding to claim 2)
(2) By incorporating the heater 20 between the first housing 11A and the second housing 11B in which the housing 11 is divided, the heater 20 can be easily built in without using insert molding.
[0020]
(3) By incorporating the heater 20 between the first housing 11A and the second housing 11B, the heater 20 is brought into close contact with the first housing 11A on the side where the container housing 12 is formed, and the opposite side to the container housing 12 A heat insulating portion 25 can be formed between the second housing 11B and the heater 20. As a result, the heat generated by the heater 20 is effectively transmitted to the container storage portion 12, and wasteful heat is not radiated from the opposite side. Therefore, overheating of the housing 11 can be prevented even without the radiation fins, and the heating efficiency can be improved.
[0021]
(Other effects)
(4) With the electrode terminal 21 of the heater 20 elastically seated on the housing 11 by the spring leg 21B, the heater element 22 is backed up and the heater element 22 is seated on the heat radiating terminal 23. Accordingly, the degree of adhesion between the heater element 22 and the heat radiation terminal 23 is increased while the electrical contact failure between the electrode terminal 21 and the heater element 22 is avoided by the spring force of the leg portion 21B of the electrode terminal 21. 11 can also be improved, and the heat transfer from the heater element 22 to the housing 11 via the heat radiation terminal 23 and the heat transfer to the inner surface 12A of the container housing 12 (the heating surface for the evaporation container 30) can be improved. However, the heating efficiency of the evaporation container 30 can be improved with a simple configuration.
[0022]
(5) Since the electrode terminal 21 of the heater 20 is seated on the housing 11 by the spring leg 21B, the contact area with the housing 11 is small, and a heat insulating air layer 25A can be formed between the electrode terminal 21 and the housing 11. . Therefore, it is possible to suppress wasteful heat release in which the heat generated by the heater element 22 escapes to the outer surface of the housing 11 via the electrode terminal 21, and it is possible to improve the efficiency of heating the evaporation container 30. In addition, overheating of the outer surface of the housing 11 due to wasteful heat radiation can be prevented, and it is not necessary to provide a heat radiation fin or a heat radiation hole in the housing 11, and the appearance can be made smart.
[0023]
(6) The curved inner surface 12A of the container housing 12 serves as a heating surface surrounding the side surface to the bottom surface of the evaporation container 30, so that the concentration of heat on the evaporation container 30 is good and the heating efficiency can be improved.
[0024]
(7) Since the heater 20 is provided along the curved inner surface 12A of the container housing 12, the heat transfer from the heater 20 to the curved inner surface 12A of the container housing 12 (heating surface for the evaporation container 30) is good. The heating efficiency can be improved.
[0025]
(8) Since the heater 20 is provided near the lower portion of the curved inner surface 12A of the container storage section 12, even if the remaining amount of the evaporant 1 in the evaporating container 30 decreases and the agent surface level of the evaporant 1 drops. In addition, the heat of the heater 20 is transmitted to the evaporation container 30 through the lower portion of the curved inner surface 12A of the container storage portion 12 without waste, and the heating efficiency is not impaired.
[0026]
(9) Since the heater 20 has a self-temperature control function, overheating of the container housing 12 can be reliably prevented, and the heating efficiency can be improved.
[0027]
(10) Since the evaporation container 30 is rounded along the curved inner surface 12A of the container housing 12, the heat transfer from the heater 20 to the evaporation container 30 via the curved inner surface 12A of the container housing 12 is improved. Stable transpiration of the transpirant 1 can be maintained.
[0028]
【The invention's effect】
As described above, according to the present invention, it is possible to easily change the surface appearance and the number and shape of the aroma evaporating ports without impairing the productivity of the evaporator. Further, according to the present invention, the heater can be easily incorporated without impairing the productivity of the evaporator.
[Brief description of the drawings]
FIG. 1 is a sectional view showing an evaporator.
FIG. 2 is an exploded perspective view showing the evaporator.
FIG. 3 is a front view showing an example of a cap.
FIG. 4 is a front view showing another example of the cap.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Evaporating agent 10 Evaporator 11 Housing 11A First housing 11B Second housing 12 Container storage unit 13 Cap 13A Aroma evaporating opening 20 Heater 30 Evaporation container

Claims (1)

A cap is provided on the front side facing the interior of the housing , a container storage part is formed between the housing and the cap and directed downward from the upper opening, and the evaporation container containing the evaporating agent is exchangeably stored in the container storage part from the opening. To enable heating , the cap is a separate body from the housing, a vaporizer with an aroma vapor port,
The housing is a combined body of a first housing and a second housing. The first housing forms an inner surface of the container housing portion, and a heater is incorporated between the first housing and the second housing. An evaporator provided so as to be displaced from a central portion of an inner surface directed downward from an upper portion of the container storage portion toward a lower portion along the inner surface .

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