JP4932467B2 - Vaporizer for vehicles - Google Patents

Description

  The present invention relates to a vapourizer for a vehicle that evaporates a fragrance component or the like in a vehicle interior.

  Conventionally, as an apparatus for evaporating a liquid fragrance in a passenger compartment, a vehicle evaporator 801 is known as shown in FIG. 9 (for example, Patent Document 1).

  The vehicular vaporizer 801 includes a plug portion 811 inserted into an accessory socket for supplying power to the cigarette lighter, and a vaporizer main body 812 extending from the plug portion 811 toward the vehicle interior side.

The evaporator body 812 is provided with a cartridge housing portion 822 for housing a cartridge 821 in which a liquid medicine is housed. The cartridge 821 is heated by generating heat from the power source supplied from the plug portion 811. The container portion 824 is heated so that the liquid medicine in the container portion 824 can be evaporated into the vehicle interior via the permeable membrane 825 of the cartridge 821.
JP 2003-225293 A

  However, in such a vehicle evaporator 801, the heater accommodating portion 831 in which the heater 823 is accommodated and the cartridge accommodating portion 822 are partitioned by the intermediate tray 832, and are accommodated in the heater accommodating portion 831. The heater 823 is biased to the intermediate tray 832 made of resin via a metal plate 833.

  For this reason, the heat from the heater 823 is configured to be transmitted to the bottom surface of the cartridge 821 through the intermediate tray 832, and the heat transmission efficiency is poor.

  This invention is made | formed in view of such a conventional subject, and it aims at providing the vaporizer for vehicles which can improve the heat transfer efficiency.

In order to solve the above-mentioned problem, in the vaporizer for a vehicle according to claim 1 of the present invention , a cartridge housing portion is provided in a vaporizer body provided with a plug portion that is attached to and detached from an accessory socket of the vehicle, and the plug portion. In a vapourizer for a vehicle that heats and evaporates the liquid medicine in the cartridge set in the cartridge housing portion by generating heat from a power source supplied via the contact of the cartridge housing portion that contacts the cartridge A heating element accommodating portion for accommodating the heating element is recessed in the surface , a metal lid is provided in the opening of the heating element accommodating portion, and the heating surface of the heating element is brought into close contact with the lid The heat generating body accommodating portion is housed in a state and an electrode electrically connected to the heat generating body is formed by the lid body, and power is supplied to the heat generating body through the lid body, while the evaporator body a configuration Covered with the lid in the upper cover.

  In other words, a heating element accommodating part for accommodating a heating element is recessed in the contact surface of the cartridge accommodating part with which the cartridge contacts, and the heating element accommodated in the heating element accommodating part is stored in the heating element accommodating part. The housing state is maintained by a metal lid provided in the opening of the part.

  For this reason, a part of the contact surface with which the cartridge accommodated in the cartridge accommodating portion comes into contact is constituted by the lid, and the heat from the heating element is transferred to the cartridge via the metal lid. Is transmitted to.

Further , in the vehicle evaporator according to claim 2, the lid body includes a lid body that covers the opening of the heating element housing portion, and a locking piece that extends from a peripheral edge of the lid body, The outer peripheral part of the heat generating body accommodating part was provided with a locking hole for locking in a state where the locking piece was inserted.

  That is, the lid is configured by a lid main body that covers the opening, and a locking piece that extends from a peripheral edge of the lid main body. A locking hole is provided for locking in a state in which is inserted.

  For this reason, after the heating element is accommodated from the opening of the heating element accommodating part, the engaging piece extending from the lid body is attached to the engagement member while the opening is covered with the lid body of the lid. The heating element is maintained in the state of being accommodated in the heating element accommodating portion by being locked in the blind hole.

According to a third aspect of the present invention, there is provided a method of manufacturing a vehicle evaporator, wherein a cartridge housing portion is provided in a evaporator body having a plug portion that is attached to and detached from an accessory socket of the vehicle, and is supplied via the plug portion. In the method of manufacturing a vehicle evaporator for heating and evaporating a liquid medicine in the cartridge set in the cartridge housing part by generating heat from a heated power source, the contact surface of the cartridge housing part in contact with the cartridge A heating element accommodating step of accommodating the heating element in a recessed heating element accommodating portion, and a metal lid that supplies power to the heating element is attached to the opening of the heating element accommodating portion, and the lid the constituting a lid attachment step of accommodating the heating element the heating element accommodating portion of the heating surface of the heating element in a state of being closely the the evaporated diffuser body assembling the transpiration body to the upper And a, a main body assembling step of forming a state of covering the lid at the bar.

  That is, when assembling the vehicle evaporator, the heating element is accommodated in the heating element accommodating part recessed in the contact surface of the cartridge accommodating part, and then the opening of the heating element accommodating part is made of metal. By attaching the lid, the heating element is maintained in a state of being accommodated in the heating element accommodating portion.

  Thereby, a heating element module in which the heating element is set is formed.

  In this state, a part of the contact surface with which the cartridge accommodated in the cartridge accommodating portion comes into contact is configured by the lid, and the heat from the heating element passes through the metal lid. Is transmitted to the cartridge.

Moreover, in the manufacturing method of the vaporizer for vehicles of Claim 4 , the said cover body attachment process provided the latching piece extended from the peripheral edge of the said cover body in the outer peripheral part of the said heat generating body accommodating part. A locking piece insertion step of inserting into the locking hole; and a locking piece bending step of bending the tip of the locking piece inserted through the locking hole.

  That is, in the step of attaching the metal lid to the opening of the heating element housing portion, the locking piece extending from the lid body is inserted into the locking hole provided in the outer peripheral portion of the heating element housing portion. After that, the tip of the locking piece inserted through the locking hole is bent.

  As a result, the lid is fixed, and the heating element is maintained in the state of being accommodated in the heating element accommodating portion.

As described above, in the vehicular evaporator according to claim 1 of the present invention, by forming a part of the contact surface in contact with the cartridge accommodated in the cartridge accommodating portion with the lid, Heat from the heating element can be transmitted to the cartridge through the metal lid.

  For this reason, the heat generating body accommodating portion and the cartridge accommodating portion are partitioned by an intermediate tray, and heat is transmitted as compared to the conventional case in which heat from the heater is transmitted to the cartridge via the resin intermediate tray. Efficiency can be increased. Thereby, the transpiration | evaporation efficiency of a liquid chemical | medical agent can be improved.

Moreover , in the vehicle evaporator according to claim 2, the lid body includes a lid main body that covers the opening, and a locking piece that extends from a peripheral edge of the lid main body. The outer peripheral portion is provided with a locking hole for locking in a state where the locking piece is inserted.

  For this reason, after the heating element is accommodated from the opening of the heating element accommodating portion, the engaging piece that extends from the lid body is covered with the engagement piece while the opening is covered with the lid body of the lid. By engaging with the blind hole, the heating element can be maintained in the state of being accommodated in the heating element accommodation portion.

And in the manufacturing method of the vaporizer for vehicles of Claim 3 , after accommodating the said heat generating body in the heat generating body accommodating part recessedly provided in the contact surface of the said cartridge accommodating part, opening of the said heat generating body accommodating part By attaching a metal lid to the part, the heating element can be maintained in the state accommodated in the heating element accommodation part.

  Thereby, in the pre-process for assembling the vehicle evaporator, the heating element module on which the heating element is set can be assembled in advance, and the heating module alone can be stocked.

  In this state, a part of the contact surface in contact with the cartridge housed in the cartridge housing portion is constituted by the lid, and heat from the heating element is passed through the metal lid. Can be transmitted to the cartridge.

  For this reason, the heat generating body accommodating portion and the cartridge accommodating portion are partitioned by an intermediate tray, and heat is transmitted as compared to the conventional case in which heat from the heater is transmitted to the cartridge via the resin intermediate tray. Efficiency can be increased. Thereby, the transpiration | evaporation efficiency of a liquid chemical | medical agent can be improved.

Moreover, in the manufacturing method of the vaporizer for vehicles of Claim 4, in the process of attaching a metal cover body to the opening part of the said heat generating body accommodating part, the locking piece extended from the said cover body is the said. After inserting into the locking hole provided in the outer peripheral part of the heating element housing part, the heating element is bent into the leading end of the locking piece inserted through the locking hole so that the heating element is Can be maintained in a state of being accommodated in the container.

  Thereby, if the intermediate tray is not assembled in a state where the heat generating element is accommodated in the heat generating element accommodating portion, the assembling workability is improved as compared with the conventional case where the heat generating element cannot be maintained in the accommodated state.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a vehicular evaporator 1 according to the present embodiment. The vehicular evaporator 1 is a device that evaporates an aromatic component or the like in a passenger compartment of a passenger car or the like.

  As shown in FIGS. 1 to 3, the vehicular evaporator 1 includes a plug portion 11 and a rectangular evaporator body 12 that is foldably connected to the plug portion 11.

  The plug portion 11 is formed in a cylindrical shape that can be attached to and detached from an accessory socket provided on a vehicle instrument panel or the like, and a plus terminal 21 that presses against a plus electrode at the end of the accessory socket protrudes from the tip of the plug portion 11. It is installed. As shown in FIG. 4, a fuse 22 is accommodated inside the plus terminal 21 in an exchangeable manner, and an electrode 23 at the other end of the fuse 22 is provided on the evaporator main body 12 via a harness 24. Connected to the substrate 25.

  The plug portion 11 is provided with ground terminals 31 and 31 formed by bending a long metal plate so as to protrude sideways, and the ground terminals 31 and 31 are connected to the accessory. The inner peripheral surface of the socket is configured to be in pressure contact with the negative electrode formed. The ground terminals 31 and 31 are connected to the substrate 25 via a harness 32, and the substrate 25 is configured to be supplied with power from an in-vehicle battery.

  The substrate 25 to which this power is supplied is provided with a push button type switch 41 and a light emitting diode 42, and the button 43 and the light emitting diode 42 of the switch 41 protrude from the upper surface of the evaporator body 12. It is configured as follows. Thus, each time the button 43 of the switch 41 is pressed, the power is turned on and off alternately, and the light emitting diode 42 is lit when the power is turned on.

  The evaporator body 12 is provided so as to extend from the plug portion 11 inserted into the accessory socket to the vehicle interior side, and the evaporator body 12 is made of plastic. The evaporator body 12 has a container-like lower cover 51 constituting the lower surface side, a tray 52 attached to the upper surface opening of the lower cover 51, and a plurality of diverging ports 53,. 3 and 5, tapping screws 55 and 55 for inserting the lower cover 51 are screwed into boss portions 56 and 56 provided on the upper cover 54. In this state, the tray 52 is fixed between the lower cover 51 and the upper cover 54.

  As shown in FIG. 3 and FIG. 4, an inlet / outlet port 62 for inserting / removing the cartridge 61 into / from the evaporator body 12 is opened at the rear end of the evaporator body 12. A cartridge accommodating portion 63 for accommodating the cartridge 61 inserted from the insertion / removal port 62 is formed on the tray 52.

  As shown in FIG. 5, a plurality of ribs 71 that contact the upper surface of the cartridge 61 accommodated in the cartridge accommodating portion 63 extend on the inner side surface of the upper cover 54 (only one is shown). The cartridge 61 accommodated in the cartridge accommodating portion 63 is configured to be pressed against the tray 52 by the rib 71.

  Accordingly, as shown in FIGS. 5 and 6, the cartridge 61 is configured such that the bottom surface thereof is in pressure contact with the contact surface 75 of the upper portion of the tray 52, and in this state, the cartridge 61 and the cartridge 61 are in contact with each other. A transpiration space 72 is formed between the upper cover 54 and the upper cover 54.

  Further, as shown in FIGS. 4 and 6, the contact surface 75 of the tray 52 has a convex portion 81 that prevents the cartridge 61 housed in the cartridge housing portion 63 from being detached from the loading / unloading port 62. Is provided so that the cartridge 61 can be held in the cartridge accommodating portion 63.

  As shown in FIG. 6, the contact surface 75 of the tray 52 is recessed with a rectangular heating element accommodating portion 91, and a part of the bottom surface 92 of the heating element accommodating portion 91 is missing. A cylindrical upright wall 93 is erected. A heater 94 as a disk-shaped heating element is accommodated inside the standing wall 93, and the heater 94 is supported by a support plate 95. A leaf spring 96 that also serves as an electrode of the heater 94 extends from the support plate 95, and the heater 94 is supported by the bottom surface 92 through the leaf spring 96 that extends from the support plate 95. The heating surface 97 is urged upward.

  The leaf spring 96, which also serves as the electrode of the heater 94, is connected to the substrate 25 via a harness (not shown), so that power is supplied from the battery when the switch 41 is turned on to generate heat. It is configured.

  A thick-walled portion 102 is formed over the entire outer periphery of the upper surface opening 101 of the heating element housing portion 91, and the upper-surface opening is formed in the thick-walled portion 102. Slit-like locking holes 103 and 103 extending along 101 are formed at two locations. The upper surface opening 101 of the heating element housing 91 is closed by a lid 105.

  As shown in FIG. 7, the lid 105 is constituted by a thin metal plate. The lid body 105 includes a rectangular lid body 111 formed in a size that covers the upper surface opening 101 of the heating element housing 91, and a locking piece 112 extending from the short side of the lid body 111, 112, and the locking pieces 112 are provided at positions where the lid main body 111 can be inserted into the locking holes 103 in a state where the lid body 111 covers the upper surface opening 101. . Each of the locking pieces 112 and 112 is set to have a width dimension that can be inserted into the corresponding locking holes 103 and 103, and the length at which the tip portion can be bent while being inserted into the locking holes 103 and 103. Set to dimensions.

  In this state, each of the locking pieces 112,... Is inserted into the corresponding locking holes 103, 103 and locked so that the lid 105 can be fixed to the tray 52. In a state where the lid 105 is attached to the tray 52, the heater 94 can be maintained in a state of being accommodated in the heating element accommodating portion 91.

  Here, in the present embodiment, the case where the heating element accommodating portion 91 is recessed in the contact surface 75 of the tray 52 has been described, but the present invention is not limited to this.

  For example, the tray 52 may be provided with only the upper surface opening 101 and the heating element housing 91 described above may be eliminated, or the lower cover 51 may be provided with the heaters 94. In this case, the lower cover 51 The plate spring 96 that supports the heater 94 may be held by the standing wall 93 by providing the standing wall 93 on the wall.

  The lid 105 also serves as an electrode that is electrically connected to the heater 94, and a terminal portion 115 extends from the edge of the lid body 111. The terminal portion 115 is configured to be connected to the substrate 25 via a harness 116, and is configured to be able to supply power from the substrate 25 to the heater 94.

  As a result, the heater 94 generates heat with the power supplied via the plug portion 11, and as shown in FIG. 6, the heating surface 97 of the heater 94 is in close contact with the lid 105. The liquid medicine 121 in the cartridge 61 set in the cartridge housing part 63 is configured to be evaporated from the bottom surface of the cartridge 61 by heating.

  As shown in FIG. 4, the cartridge 61 includes a rectangular container 131, and the opening edge of the container 131 extends laterally as shown in FIG. 3. A flange 132 is integrally formed over the entire circumference, and an arcuate tongue piece 134 is formed in a part thereof. In the container 131, as shown in FIG. 6, the liquid medicine 121, which is a liquid containing a medicine such as an aroma component, a deodorizing component, an insecticidal component, a sterilizing component, and an antifungal component, is accommodated. In addition, a permeable membrane 136 is joined to the flange 132 via a seal layer 135, and the container portion 131 is closed.

  The permeable membrane 136 is configured by a film body that prevents the liquid drug 121 from flowing out in a normal state, while allowing the liquid drug 121 heated and evaporated by the heater 94 to pass therethrough. Thus, when the cartridge 61 is heated by the heater 94, the liquid medicine 121 is transmitted to the outside of the cartridge 61, and the liquid medicine 121 that has passed through the permeable membrane 136 is passed to the upper cover 54. It is comprised so that it can diverge into a vehicle interior via the said divergence opening 53 provided.

  The entire surface of the permeable membrane 136 is covered with an aluminum seal so as to be peeled off at the time of sale.

  In the present embodiment according to the above configuration, the manufacturing procedure of the vehicular evaporator 1 will be described with reference to FIG.

  That is, when the vehicle evaporator 1 is assembled, a heating element module is formed by assembling the heater 94 to the tray 52 in advance in the heating element module assembly step (S1), and in the main body assembly step (S2), The plug portion 11 is set on the lower cover 51, and the modular heating element module is set between the lower cover 51 and the upper cover 54, and the lower cover 51 and the modularized tray 52 The upper cover 54 is fixed with the tapping screws 55 and 55 to complete the vehicular evaporator 1.

  In the heating element module assembly step (S1), in the heating element accommodation step (SB1), a heater 94 is provided in the upright portion 93 of the heating element accommodation portion 91 that is recessed in the contact surface 75 of the tray 52. The support plate 95 is set with the extended leaf spring 96 facing the bottom surface 92 side.

  Then, in the lid attaching step (SB2), the upper surface opening 101 of the heating element accommodating portion 91 in which the heater 94 is accommodated is covered with the lid 105, and the heater 94 is accommodated in the heating element accommodating portion 91. A state is formed and the lid 105 is attached to the tray 52.

  Thereby, the heating element module in which the heater 94 is set on the tray 52 can be assembled in advance in the pre-process of the main assembly process (S2) for assembling the vehicular evaporator 1. And since this heat-generating module can be stocked and carried alone, convenience is improved.

  The lid attaching step (SB2) will be specifically described. In the latching piece insertion step (SC1), the latching pieces 112 extended from the lid 105 are bent at right angles. The lid body 111 of the lid body 105 covers the upper surface opening 101 of the heating element housing portion 91, and the locking pieces 112 are provided on the outer peripheral portion of the heating body housing portion 91. Insert into the locking holes 103.

  Next, in the locking piece bending step (SB3), the front ends of the locking pieces 112,... Inserted through the locking holes 103,. It bends and each locking piece 112, ... is locked to each said locking hole 103, .... As a result, the lid 105 is attached to the tray 52.

  As described above, after the locking pieces 112,... Extending from the lid 105 are inserted into the locking holes 103,. It is possible to maintain the heater 94 in the state where the heater 94 is accommodated in the heating element accommodating portion 91 by bending the tip end portions of the engaging pieces 112,. it can.

  Thereby, if the intermediate tray is not assembled in the state where the heater 94 is accommodated in the heating element accommodating portion 91, the assembly workability is improved as compared with the conventional case where the heater 94 cannot be maintained in the accommodated state. improves.

  In the vehicle evaporator 1 assembled in this way, a part of the contact surface 75 with which the bottom surface of the cartridge 61 accommodated in the cartridge accommodating portion 63 comes into contact is covered with the lid 105. Can be configured.

  For this reason, the heat from the heater 94 provided in the heating element accommodating portion 91 can be transmitted to the cartridge 61 through the metal lid 105.

  Therefore, compared with the conventional case where the heating element accommodating portion 91 and the cartridge accommodating portion 63 are partitioned by an intermediate tray, and heat from the heater 94 is transmitted to the cartridge 61 via a resin intermediate tray, Heat transfer efficiency can be increased. Thereby, the evaporation efficiency of the liquid chemical | medical agent 121 in the said cartridge 61 can be improved.

  In addition, the lid body 105 includes a lid body 111 that covers the upper surface opening 101, and the locking pieces 112 that extend from the periphery of the lid body 111. On the outer peripheral portion of the portion 91, there are provided locking holes 103,... For locking in a state where the locking pieces 112,.

  For this reason, after the heater 94 is accommodated from the upper surface opening 101 of the heating element accommodating portion 91, the lid body 111 is covered with the lid body 111 of the lid 105. By locking the extended locking pieces 112,... In the locking holes 103,..., The heater 94 can be maintained in the state of being housed in the heating element housing portion 91. .

It is a top view which shows one embodiment of this invention. It is a side view which shows the same embodiment. It is a bottom view which shows the same embodiment. It is sectional drawing along the AA line of FIG. It is sectional drawing along the BB line of FIG. It is a principal part enlarged view of FIG. It is a top view which shows the cover body of the embodiment. It is explanatory drawing which shows the manufacturing process of the embodiment. It is sectional drawing which shows the conventional vapourizer for vehicles.

Explanation of symbols

1 Vaporizer for vehicle 11 Plug part 12 Vaporizer body
54 Upper cover 61 Cartridge 63 Cartridge housing part 75 Contact surface 91 Heating element housing part 94 Heater (heating element)
97 Heating surface 101 Upper surface opening 103 Locking hole 105 Cover body 111 Cover body 112 Locking piece 121 Liquid medicine S1 Heating element module assembly process S2 Body assembly process SB1 Heating element housing process SB2 Cover body mounting process SC1 Locking piece insertion process SC2 Locking piece folding process

Claims (4)

The evaporator main body having a plug portion that is attached to and detached from an accessory socket of a vehicle is provided with a cartridge housing portion, and the heating element is heated by the power supplied through the plug portion and set in the cartridge housing portion. In a vehicle evaporator that heats and evaporates the liquid medicine in the cartridge,
A heating element accommodating part for accommodating the heating element is recessed in a contact surface of the cartridge accommodating part with which the cartridge is in contact, and a metal lid is provided at an opening of the heating element accommodating part. While accommodated in the heating element accommodating portion in a state where the heating surface of the heating element is in close contact,
The lid is configured with an electrode that is electrically connected to the heating element, and power is supplied to the heating element via the lid, and the lid is covered with an upper cover that constitutes the evaporator body. A vehicle evaporator. The lid is composed of a lid main body that covers the opening of the heating element housing part, and a locking piece that extends from the periphery of the lid main body,
The vehicle evaporator according to claim 1, wherein a locking hole for locking in a state where the locking piece is inserted is provided in an outer peripheral portion of the heating element housing portion. The evaporator main body having a plug portion that is attached to and detached from an accessory socket of a vehicle is provided with a cartridge housing portion, and the heating element is heated by the power supplied through the plug portion and set in the cartridge housing portion. In a method for manufacturing a vehicle evaporator for heating and evaporating a liquid medicine in a cartridge,
A heating element accommodating step of accommodating the heating element in a heating element accommodating portion recessed in a contact surface of the cartridge accommodating portion with which the cartridge contacts;
A metal lid that supplies power to the heating element is attached to the opening of the heating element housing portion, and the heating element is accommodated in the state where the heating surface of the heating element is in close contact with the lid body. A lid mounting step for housing in the unit ;
A main assembly process for assembling the evaporator main body to form a state in which the lid is covered with an upper cover constituting the evaporator main body;
A method of manufacturing a vehicle evaporator. The lid attaching step includes
A locking piece insertion step of inserting a locking piece extending from the peripheral edge of the lid into a locking hole provided in an outer peripheral portion of the heating element housing;
A locking piece bending step of bending the tip of the locking piece inserted through the locking hole;
A method for manufacturing a vapourizer for a vehicle according to claim 3 .

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