JP2012061251A - Beauty appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a beauty appliance which prevents short-circuit and malfunction when cosmetic liquid adheres to electric devices or the like mounted on a circuit substrate even when the cosmetic liquid enters a body case, furthermore, to eliminate overheating of the beauty appliance, and improve safety and reliability.SOLUTION: The beauty appliance comprise a body case 1, a head 2 for cooling a skin face, a cooling part 12 including a thermoelectric conversion element 44 for cooling the head 2, a heat sink 30 for dissipation connected to the cooling part 12, and an air blowing fan 31 for supplying heat exchanging air to the heat sink 30. The body case 1 includes an electric part area 15 with a control circuit 87 arranged for controlling drive of the thermoelectric conversion element 44 and a ventilation area 13 with the heat sink 30 and the air blowing fan 31 arranged thereon. The ventilation area 13 has an air suction opening 61 and an air exhaust opening 62. The ventilation area 13 and the electric part area 15 are partitioned by a cover body 18 fixed to the inside of the body case 1.

Description

  The present invention relates to a beauty device that effectively cools the skin.

  As this type of beauty device, a beauty device is known in which a Peltier device is arranged on the inner surface of the head of a beauty device body, and the facial skin is cooled by a cooling plate cooled by the Peltier device to improve the skin condition. Yes (Patent Document 1). In this case, a heat radiation base made of a good heat conductor is joined to the high temperature surface side of the Peltier element, and heat radiation fins are joined to the outer surface of the heat radiation base. Further, by cooling the radiating fins with the cooling air generated by the blower fan, heat dissipation of the Peltier element is promoted and the element is prevented from falling into an overheated state. The cooling air is sucked in from a suction port opened around the massage head of the beauty device body, and is discharged to the outside from a discharge port opened in the lower end of the beauty device body. In addition, the radiation fin is configured by radially projecting a group of fins on the peripheral surface of the cylindrical body.

  A similar beauty device can also be found in Patent Document 2, in which the beauty skin body is vibrated while alternately heating or cooling the facial skin with a probe so that the beauty effect can be improved. For this purpose, a vibrator composed of a motor and an eccentric weight fixed to the output shaft is arranged inside the cosmetic device body. A blower fan that promotes heat dissipation of the Peltier element is provided inside the beauty device body.

  Furthermore, in the beauty device of Patent Document 3, the head is cooled by a Peltier element, and a weak pulse current is applied to the skin surface, so that skin lotion or the like can penetrate into the skin by an ion introduction effect.

Japanese Patent No. 3142860 (page 2, left column, lines 20 to 27, FIG. 1) Japanese Patent Laying-Open No. 2001-190586 (paragraph number 0015, FIG. 1) JP 2002-345976 (paragraph number 0021, FIG. 7)

  In the beauty device of Patent Document 1, in order to promote the heat dissipation action of the Peltier element, a blower fan is arranged inside the beauty device body, and a cooling air suction port and a discharge port are opened above and below the beauty device body. Yes. Therefore, there is no problem as long as the cooled cooling plate is simply pressed against the face skin to cool, but it is problematic when the skin surface is cooled together with the skin lotion like the beauty device of Patent Document 3. Produce. Specifically, the skin lotion enters the interior of the beauty device main body through the cooling air inlet and outlet, adheres to the circuit board disposed inside the beauty device main body, electronic components mounted on the circuit board, etc. May cause a short circuit or malfunction. In addition, a control circuit for controlling the driving state of the Peltier element and the blower fan or a current adjusting circuit for generating a pulse current for ion introduction is incorporated in the circuit board disposed inside this type of beauty device body. However, the electronic component mounted on the circuit board may be exposed to the warm air after heat exchange and fall into an overheated state, resulting in malfunction.

The object of the present invention is to prevent liquid such as lotion from adhering to the control circuit and electronic components mounted on the control circuit board even if liquid such as lotion enters the inside of the main body case. Further, it is an object of the present invention to provide a beauty device capable of preventing safety of electronic components from being overheated and improving safety and reliability.
An object of the present invention is to more effectively discharge the heat released from the thermoelectric conversion element, so that the beauty tool can be prevented from falling into an overheated state, and the beauty tool can be used beyond an appropriate usage time. Even if it is a case, it is providing the beauty instrument which can ensure and protect a user's safety.

  As shown in FIG. 1, a beauty instrument according to the present invention includes a main body case 1, a cooling unit 12 that includes a head 2 that cools the skin surface, and a thermoelectric conversion element 44 that cools the head 2, and a cooling unit 12. And a heat sink 30 for heat dissipation connected to the heat sink 30 and a blower fan 31 for supplying heat exchange air to the heat sink 30. The main body case 1 has an electrical component area 15 in which a control circuit 87 for controlling driving of the thermoelectric conversion element 44 is disposed, and a ventilation area 13 in which the heat sink 30 and the blower fan 31 are disposed. An air inlet 61 and an outlet 62 are opened in the wall forming the ventilation area 13. The ventilation area 13 and the electrical component area 15 are partitioned by a cover body 18 fixed inside the main body case 1.

  The cooling unit 12 is disposed on the upper part of the main body case 1. A heat sink 30 that releases heat generated on the high temperature surface side of the thermoelectric conversion element 44 is disposed on the high temperature surface side of the thermoelectric conversion element 44. The heat sink 30 is arranged vertically from the cooling unit 12 to the outer surface of the cover body 18.

  A blower fan 31 for supplying cooling air is disposed below the heat sink 30. The heat sink 30 includes a plate-shaped sink base 54 and a large number of fins 55 protruding from the sink base 54. The upper part of the outer surface of the cover body 18 is covered with a sink base 54.

  A stepped portion 57 is formed in the upper and lower middle portion of the sink base 54.

  A heat exchange passage 60 sandwiched between the sink base 54 and the peripheral wall of the main body case 1 facing the base 54 is formed so that the cross-sectional area of the passage decreases from the upper part to the lower part of the heat sink 30.

  Between the sink base 54 and the cover body 18 facing the base 54, a ventilation gap 63 smaller than the front and rear gaps of the heat exchange passage 60 is provided.

  A vibrator 33 is disposed inside the main body case 1 between the cooling unit 12 and the electrical component area 15. As shown in FIG. 6, the vibrator 33 is fixed by the pressing wall 22 provided on the cover body 18 fastened and fixed to the main body case 1.

  A discharge port 62 is opened in the peripheral wall of the main body case 1 below the blower fan 31. A diverter 32 that diverts and guides the heat exchange air supplied from the blower fan 31 toward the discharge port 62 is fixed to the inner surface of the main body case 1 facing the discharge port 62 (see FIG. 7).

  A power feeding socket 75 including a power feeding lead 77 is disposed adjacent to the turning body 32. The circumferential surface of the socket 75 on the side of the ventilation area 13 is covered with the deflector 32.

  The power supply lead 77 is introduced into the electrical component area 15 through a lead opening 78 opened in the cover body 18. A part of the deflector 32 is received by a packing 79 that closes a gap between the power supply lead 77 and the lead opening 78.

  A control circuit 88 that generates a pulse current for ion introduction or ion derivation is disposed in the electrical component area 15. The contact plate 39 of the head 2 also serves as the first electrode 9 for ion introduction or ion extraction. A second electrode 10 for introducing or deriving ions is disposed on the outer surface of the main body case 1 that also serves as a grip.

  In the present invention, the interior of the main body case 1 is divided into a ventilation area 13 and an electrical component area 15, and a blower fan 31 and a heat sink 30 for heat dissipation are arranged inside the ventilation area 13. In addition, a control circuit 87 for controlling the driving of the thermoelectric conversion element 44 of the cooling unit 12 is disposed inside the electrical component area 15 partitioned by the cover body 18. As described above, when the control circuit 87 is arranged in the electrical component area 15, the liquid adheres to the substrate of the control circuit 87 even if liquid such as skin lotion enters the inside of the main body case 1 when performing skin cooling. Can be prevented. In addition, it is possible to prevent the control circuit 87 from being heated by the warm air after heat exchange or the radiant heat emitted from the heat sink 30, thereby preventing the electronic component from being overheated. Therefore, there is no room for short circuit or malfunction due to adhesion of liquid such as skin lotion, and there is no room for failure or burn due to overheating of electronic parts, and it is possible to provide a beauty instrument with excellent safety and reliability.

  When the heat sink 30 is vertically disposed over the outer surface of the cover body 18 from the cooling unit 12 disposed at the upper part of the main body case 1, the contact between the cooling air and the heat sink 30 is increased and emitted from the thermoelectric conversion element 44. Heat can be effectively discharged out of the main body case 1. In addition, since a part of the outer surface of the cover body 18 is covered with the heat sink 30, the liquid such as lotion that has entered the ventilation area 13 together with the cooling air is blocked by the heat sink 30, and the liquid adheres to the outer surface of the cover body 18. Can be avoided as much as possible.

  When the heat sink 30 is configured by the plate-shaped sink base 54 and a large number of fins 55 protruding from the sink base 54, and the upper part of the outer surface of the cover body 18 is covered by the sink base 54, the inside of the ventilation area 13 is formed. The liquid such as lotion that has entered can be blocked more effectively by the plate-shaped sink base 54. Therefore, it is possible to more reliably prevent the liquid from adhering to the cover body 18 and prevent the circuit board 14 and the electronic components from being damaged.

  If the stepped portion 57 is provided in the middle of the sink base 54, liquid such as lotion that has entered between the fins 55 of the heat sink 30 may be received by the stepped portion 57 and temporarily stay in the stepped portion 57. it can. Therefore, it is possible to prevent the liquid that has entered between the fins 55 from passing through the heat sink 30 together with the cooling air and adhering to the blower fan 31 disposed on the downstream side of the ventilation area 13. Further, a part of the liquid staying in the stepped portion 57 can be heated and evaporated by the heat of the sink base 54 while flowing down along the sink base 54.

  When the heat exchange passage 60 provided between the sink base 54 and the peripheral wall of the main body case 1 is formed so that the cross-sectional area of the passage decreases from the upper part to the lower part of the heat sink 30, The flow rate can be increased. Therefore, the passage speed of the cooling air passing between the fins 55 can be increased, the contact opportunity between the fins 55 and the cooling air can be increased, and the heat exchange efficiency of the heat sink 30 can be increased. As a result, the heat released from the thermoelectric conversion element 44 can be discharged more effectively. For example, even when the beauty tool is used over an appropriate usage time, the beauty tool falls into an overheated state. Can be secured to secure and protect users' safety.

  When a ventilation gap 63 smaller than the gap between the front and rear of the heat exchange passage 60 is provided between the sink base 54 and the cover body 18, the heat layer that conducts heat from the sink base 54 to the cover body 18 flows through the ventilation gap 63. Can be shut off. Similarly, the radiation heat of the sink base 54 reaching the cover body 18 can be blocked by the air layer flowing through the ventilation gap 63, and the electronic components in the electric component area 15 can be protected from the heat of the heat sink 30. Moreover, since the clearance dimension of the ventilation gap 63 is made smaller than the front and rear clearances of the heat exchange passage 60, the amount of air passing through the ventilation gap 63 can be limited. Therefore, most of the cooling air sucked into the blower fan 31 is made to flow along the heat exchange passage 60, and the heat exchange between the cooling air and the heat sink 30 is performed effectively, and the heat sink 30 moves toward the cover body 18. Heat transfer can be prevented.

  When the vibrator 33 is fixed by the pressing wall 22 of the cover body 18 fastened and fixed to the main body case 1, the screws and fixing structure for fixing the vibrator 33 can be omitted, and the structure can be simplified correspondingly. Further, since the outer surface of the vibrator 33 is covered with the pressing wall 22 provided on the cover body 18, it is possible to prevent the liquid such as the skin lotion that has entered the ventilation area 13 from being blocked by the pressing wall 22 and attached to the vibrator 33.

  When the diverter 32 is disposed below the blower fan 31 and the heat exchange air supplied from the blower fan 31 is directed to the discharge port 62 by the diverter 32, the heat exchange air is It can be effectively discharged outside. Thereby, since it is possible to eliminate high-temperature air after heat exchange in the ventilation area 13, the heat radiation effect in the heat sink 30 can be promoted, and the heat exchange efficiency can be further improved.

  When a power feeding socket 75 is disposed adjacent to the diverting body 32 and the peripheral surface on the ventilation area 13 side is covered with the diverting body 32, liquid such as lotion that has reached the vicinity of the socket 75 is transferred to the socket. It is possible to prevent the deflecting body 32 from adhering to the 75, the power feed lead 77 and the like. Therefore, it is possible to prevent troubles and accidents associated with the adhesion of liquid around the socket 75.

  When the gap between the power supply lead 77 led out from the socket 75 and the lead opening 78 opened in the cover body 18 is sealed with the packing 79 and a part of the turning body 32 is received by the packing 79, The movement can be damped by packing 79. Therefore, it can suppress that the direction change body 32 receives the vibration of the ventilation fan 31 and the vibrator 33, and vibrates. In addition, since it is possible to eliminate the occurrence of contact noise due to the turning body 32 coming into contact with the cover body 18, it is possible to reduce driving noise when using a beauty tool and improve quietness.

  According to the beauty tool in which the contact electrode 39 of the head 2 is used as the first electrode 9 for ion introduction or ion extraction, and the second electrode 10 for ion introduction or ion extraction is arranged on the outer surface of the main body case 1, The skin can be effectively penetrated into the skin by the introduction action, or fine dirt on the skin can be effectively removed by the action of deriving ions.

It is a vertical side view of the beauty instrument according to the present invention. It is a front view of the beauty instrument which concerns on this invention. It is a side view of the beauty instrument which concerns on this invention. It is a rear view of the beauty tool which concerns on this invention. It is an exploded sectional view of the beauty instrument concerning the present invention. It is a vertical side view which shows the structure of a head and a cooling unit. It is a vertical side view which shows a ventilation fan and its peripheral structure. It is the sectional view on the AA line in FIG. It is the BB sectional view taken on the line in FIG.

(Example) FIG. 1 thru | or FIG. 9 shows the Example of the beauty instruments based on this invention. In the present invention, “front / rear / left / right / up / down” follows the crossing arrows shown in FIGS. 2 and 3 and the front / rear / left / right / upper / lower notation displayed near the arrows. 2 and 3, the beauty tool has a main body case 1 that also serves as a grip as a basic structure, and a head 2 projects from the upper part of the front surface thereof. On the front surface of the main body case 1 are a power button 3 for turning on the power, a mode button 4 for switching the operation mode, a strength button 5 for switching the potential at the time of ion introduction, and four lighted according to the difference in the operation mode. The mode indicator lamp 6 and the two strength indicator lamps 7 that are turned on in accordance with the difference in potential are provided.

  On the left and right sides of the main body case 1, vertically long second electrodes 10 whose upper and lower ends are rounded into a semi-elliptical shape are arranged. The second electrode 10 is an electrode for ion introduction or ion derivation that supplies a weak pulse current to the human body, and supplies the pulse current to the human body in cooperation with the contact plate 39 that also serves as the first electrode 9. The second electrode 10 is fixed to the main body case 1 and is electrically connected to the output lead 90 of the control circuit 88 for ion introduction or ion derivation via a compression coil spring 94 described later. (See FIG. 9).

  The main body case 1 is formed in a hollow case shape by joining a front case 1a and a rear case 1b, which are divided into front and rear, with a screw 8 (see FIG. 1) in a lid-like shape. The electronic parts for the control circuit 87 for controlling the driving of the ventilation area 13 in which a part of the ventilation area 13 and the Peltier element (thermoelectric conversion element) 44 of the cooling unit 12 are driven, and the circuit board 14 on which the electronic circuit board 14 is mounted are arranged. A parts area 15 is partitioned. In the electrical component area 15, a control circuit (skin energization control circuit) 88 to be described later is also arranged. Specifically, the electrical component area 15 is partitioned by a partition rib 17 projecting in a circular manner on the inner surface of the front case 1 a and a cover body 18 that closes the opening surface of the partition rib 17. A ventilation area 13 is mainly used in the rear half of the internal space of the main body case 1. That is, the ventilation area 13 and the electrical component area 15 are divided by the wall of the main body case 1 and the wall of the cover body 18.

  The cover body 18 is made of a tray-shaped plastic molded product, and integrally includes a peripheral wall 19 joined to the partition rib 17 and a rear wall 20 that closes the rear surface of the peripheral wall 19. A fastening seat 21 protrudes from the upper end of the peripheral wall 19, and a pressing wall 22 for fixing the vibrator 33 is formed integrally with the left and right central portions (see FIG. 9). As shown in FIG. 5, an oval recess 23 that accommodates a part of the peripheral surface of the fan case 65 is formed in the lower portion of the rear wall 20, and the fan case 65 is fixed to both the left and right sides thereof. A screw boss 24 for projecting is provided. The joint surface of the cover body 18 with the partition rib 17 is sealed with a seal ring 25. The pressing wall 22 protrudes in a rectangular shape, and presses and fixes the motor 82 in a state of covering the entire peripheral surface of the motor 82 for the vibrator 33 (see FIG. 9).

  A cooling unit 12 is provided above the ventilation area 13, and a heat sink 30 for heat dissipation, a blower fan 31, and a diverter 32 connected to the rear end of the cooling unit 12 are provided in the ventilation area 13. They are arranged in the order of description with a space in the vertical direction. Thereby, the amount of space occupied by the upper structure of the main body case 1 can be reduced, and the grip portion of the main body case 1 can be slimmed. In addition, a vibrator 33 for vibrating the entire beauty tool is disposed inside the front case 1a between the cooling unit 12 and the electrical component area 15.

  The cooling unit 12 includes a cylindrical head case 36, the head 2, a cooling unit 37 that cools the head 2, and a heat dissipation structure for the cooling unit 37. The head case 36 is fixed to the inner surface of the front case 1a with screws 35 and protrudes forward from the front case 1a. The head 2 is fixed to the protruding end. The head 2 includes a contact plate 39 in which a titanium plate is formed in a dish shape, and a holding ring 40 that fixes and holds the peripheral portion of the contact plate 39. As shown in FIG. 6, the holding ring 40 is fitted on the outer surface of the protruding end of the head case 36 and fixed with screws 41. Sealing between the head case 36 and the front case 1a and between the contact plate 39 and the head case 36 are performed by seal rings 26 and 27, respectively.

  The cooling unit 37 includes a Peltier element (thermoelectric conversion element) 44, a cooling block 45 and a heating block 46 that are in close contact with the low temperature side and the high temperature side with the element 44 interposed therebetween, and these three units 44, 45, The cooling unit holder 47 that supports the cooling unit 46 is used. The cooling block 45 and the heating block 46 are in close contact with the Peltier element 44 via a heat transfer sheet 48. The heat transfer sheet 48 is configured by coating silicon on both the front and back surfaces of an aluminum sheet. The Peltier element (thermoelectric conversion element) 44, the cooling block 45, and the heating block 46 are fastened together with the thermal insulator 50 disposed between the blocks 45 and 46 by screws 49 inserted into the cooling unit holder 47. It is unitized (see FIG. 5).

  As shown in FIG. 9, the cooling unit holder 47 is fixed to the front case 1a with four screws 51 so that the front end surface of the cooling block 45 is in close contact with the inner surface of the contact plate 39 so that the cooling unit 37 can be It is fixed to the case 1a and the head case 36. The rear end of the thermal block 46 in this state enters the rear case 1b side from the joint surface of the front and rear cases 1a and 1b (see FIG. 6).

  The cooling block 45 and the heating block 46 are each made of an aluminum die-cast molded product. In order to more effectively release the heat generated in the Peltier element (thermoelectric conversion element) 44, the volume of the heating block 46 is made sufficiently larger than the volume of the cooling block 45, and the amount of heat conduction per unit time. (Heat capacity) is increased. Thereby, the heat generated on the high temperature surface side of the Peltier element 44 can be effectively conducted to the heat sink 30 fixed to the rear end of the thermal block 46 to promote the heat radiation action.

  As shown in FIGS. 5 and 6, the heat sink 30 is an aluminum die-cast molded product integrally including a plate-shaped sink base 54 and a large number of fins 55 protruding from the rear surface of the sink base 54. Consists of. The heat sink 30 is fastened so as not to be separated by screws 56 screwed into the heat block 46 in a contact state where the upper part of the sink base 54 is engaged with the heat block 46 so as not to be relatively movable. A stepped portion 57 that is inclined obliquely downward is formed in the upper and lower middle portion of the sink base 54. Therefore, the plate-like portion 54b below the stepped portion 57 is higher than the plate-like portion 54a above the stepped portion 57. It is approaching the rear case 1b. The connection between the cooling unit 12 and the heat sink 30 is not limited to the above-described structure in which the sink base 54 is directly fixed to the thermal block 46, and the heat sink 30 is kept in a state where the facing surfaces of the thermal block 46 and the sink base 54 are in contact with each other. Can be fixed to the front case 1a.

  In order to increase the chance of contact between the fins 55 and the cooling air and increase the heat exchange efficiency, the heat sink 30 is formed vertically along the ventilation area 13. Further, the passage cross-sectional area of the heat exchange passage 60 sandwiched between the sink base 54 and the peripheral wall of the rear case 1b facing the base 54 is made smaller from the heat sink 30 side toward the blower fan 31 side. Yes. More specifically, the peripheral wall of the rear case 1 b facing the sink base 54 is recessed so as to approach the sink base 54, and the passage cross-sectional area of the heat exchange passage 60 is changed from the upper end side to the lower end side of the sink base 54. It is formed in a constricted shape downward. Incidentally, the distance between the lower end side of the sink base 54 and the peripheral wall of the rear case 1b is made smaller than the distance between the upper end side of the sink base 54 and the peripheral wall of the rear case 1b, so that the passage sectional area of the heat exchange passage 60 is increased. It can be formed in a constricted shape toward the blower fan 31 side.

  As described above, the amount of heat released by the fins 55 can be increased by increasing the vertical length of the heat sink 30. Furthermore, by forming the heat exchange passage 60 in a constricted shape, the passage speed of the cooling air passing between the fins 55 can be increased, and the chance of contact between the fins 55 and the cooling air can be increased. The heat exchange efficiency of 30 can be increased. Since the heat sink 30 is arranged vertically from the cooling unit 12 to the outer surface of the cover body 18, the majority lower part of the lower plate-like part 54b covers the outside of the upper rear surface of the cover body 18 (FIGS. 1 and 6). reference). Therefore, the lotion that has entered through the suction port 61 is shielded by the sink base 54, and the lotion can be well prevented from adhering to the cover body 18. Further, by providing the stepped portion 57 in the middle part of the sink base 54, the lotion flowing down along the upper plate-like portion 54a can be received by the stepped portion 57 and retained therein.

  A group of cooling air suction ports 61 are opened in the peripheral wall of the rear case 1 b facing the upper plate-like portion 54 a of the sink base 54. Further, a group of discharge ports 62 for discharging the warm air after heat exchange is opened in the peripheral wall on the lower side of the rear case 1b. Thus, if the structure which discharges warm air from the lower part side of main body case 1 is employ | adopted, since warm air can be discharged in the position away from the skin of cooling object, it does not give a user discomfort. In the present embodiment, the suction port 61 and the discharge port 62 are opened toward the side (rear), but the suction port 61 is opened upward and the discharge port 62 is opened downward. It may be a thing.

  Between the lower plate-like portion 54b described above and the cover body 18, a ventilation gap 63 smaller than the front and rear gaps of the heat exchange passage 60 is secured, and therefore a part of the cooling air in the ventilation area 13 is secured. Is sucked into the blower fan 31 via the ventilation gap 63. Thus, by ensuring the ventilation gap 63, it is possible to prevent the heat of the sink base 54 from being conducted to the cover body 18. Further, since the gap size of the ventilation gap 63 is small, most of the cooling air sucked into the blower fan 31 can flow along the heat exchange passage 60 to effectively perform heat exchange.

  The blower fan 31 includes a fan case 65 that also serves as a motor holder, a motor 66 that is fixed to the upper half of the fan case 65, and an axial-flow fan 67 that is fixed to the output shaft thereof. The air in the area 13 is fed downward toward the deflector 32. The fan case 65 is fixed to the screw boss 24 described above with screws 71 (see FIG. 9). Note that the periphery of the fan case 65 is divided into upper and lower portions by a partition wall 72 projecting from the cover body 18 and the rear case 1b so as to face each other (see FIG. 7). Therefore, after the heat exchange sent from the blower fan 31 Does not flow back to the heat exchange passage 60 side.

  As shown in FIG. 5, the deflecting body 32 is formed of a cover-like structure whose front and bottom surfaces are open, and the outer shape viewed from the rear side is formed in an inverted convex shape (see FIG. 9). As shown in FIG. 7, a turning wall 68 is formed in a downwardly inclined manner in the wide portion on the upper half side of the turning body 32 facing the discharge port 62. A contact rib 69 is provided on the inner surface of the inclined portion at the upper end of the turning wall 68. A partially spherical turning surface 70 is formed at the lower end of the recess 23 described above. The heat exchange air supplied from the blower fan 31 by the turning surface 70 is shared with the turning wall 68. Then, it is possible to guide the direction of change toward the discharge port 62. In the above embodiment, the suction port 61 is formed in the upper portion of the main body case 1 and the discharge port 62 is formed in the lower portion of the main body case 1 so that the heat exchange (cooling) air in the ventilation area 13 is sent downward. A discharge port 62 may be formed in the upper part of the case 1 and a suction port 61 may be formed in the lower part of the main body case 1 so that heat exchange (cooling) air in the ventilation area 13 may be supplied upward. Naturally, the blowing direction of the blowing fan 31 in that case is set in reverse.

  A power feeding socket 75 is arranged on the inner surfaces of the lower ends of the front and rear cases 1a and 1b, and the circumferential surface on the side of the ventilation area 13 is covered with a deflecting body 32. The diverter 32 and the socket 75 are fixed to each other by using the lower two screws 8 that fasten the front and rear cases 1a and 1b, and are integrated with the main body case 1. As shown in FIG. 7, two connection pins 76 for connecting a power supply plug 74 led out from the power adapter are provided in the power supply socket 75, and the power supply leads connected to the connection pins 76 are provided. 77 is derived from the upper end of the socket 75. The power supply lead 77 is introduced into the electrical component area 15 through a lead opening 78 opened in the cover body 18 and connected to the circuit board 14. A gap between the power supply lead 77 and the lead opening 78 is sealed with a rubber packing 79 attached to the lead opening 78.

  As described above, the deflector 32 is fixed to the main body case 1. Therefore, it vibrates in response to the vibration of the blower fan 31 or the vibration of the vibrator 33, and the upper opening edge may contact the cover body 18 to generate contact noise. In order to prevent the generation of such noise, the projecting end of the contact rib 69 of the deflector 32 is received by the rear end surface of the packing 79 to prevent the deflector 32 from coming into contact with the cover body 18. Can be absorbed by the packing 79 (see the enlarged view of FIG. 7).

  The vibrator 33 disposed inside the front case 1a is constituted by a motor 82 and an eccentric weight 83 fixed to the output shaft thereof. A rubber mounting seat 84 is fixed inside the front case 1a, and the motor 82 fitted in the mounting seat 84 is fixed and held by the pressing wall 22 provided on the cover body 18 so as not to be separated (see FIG. 6).

  As shown in FIG. 3, the following members are accommodated in the electrical component area 15. Electronic components for a Peltier element (thermoelectric conversion element) 44, a motor 66 of the blower fan 31, and a control circuit (control circuit for instrument energization) 87 for controlling the energization state to the motor 82 of the vibrator 33, and ion introduction or ion Electronic components for a control circuit (skin conduction control circuit) 88 that generates a pulse current for derivation and controls the potential thereof are mounted on the circuit board 14. As shown in FIG. 8, one output lead 89 of the control circuit 88 is connected to a connection terminal 91 integrally provided with an elastically deformable contact portion 93 provided inside the head case 36, and the other output lead. Reference numeral 90 denotes a connection terminal 92 fixed to the left and right of the fan case 65 as shown in FIG. The former connection terminal 91 is made of a metal plate, and its free end side, that is, the contact portion 93 side is fixed to be elastically deformable by using a screw 35 for fastening the head case 36 to the front case 1a.

  In a state in which the head 2 is assembled to the head case 36, the contact portion 93 provided on the distal end side of the arm portion of the connection terminal 91 is in close contact with the inner surface of the contact plate 39 that also serves as the first electrode 9. . As described above, when the connection terminal 91 and the first electrode 9 are conducted through the elastically deformable contact portion 93, even if a dimensional error occurs between the fixed portion of the connection terminal 91 and the first electrode 9, A dimension error is absorbed by the arm part of the connection terminal 91, and an electrical connection state can be maintained favorable. In particular, when using a beauty tool, the head 2 is cooled or returned to room temperature, so the distance between the components is likely to change due to the temperature change. Even in such a case, the electrical connection state is good. Can be maintained.

  The connection terminal 92 for the second electrode 10 is fixed using a screw 71 for fixing the fan case 65, and the second electrode 10 and the connection terminal 92 press and urge the second electrode 10. The spring 94 is used for conduction. When the connection terminal 92 and the second electrode 10 are electrically connected via the coiled spring 94, even if a dimensional error occurs between the connection terminal 92 and the second electrode 10, the dimensional error can be absorbed by the spring 94. It is possible to maintain a good electrical connection state.

  The connection terminal 91 can be formed as a fixed portion by bending the base end portion of the metal wire into an L shape, and the other end can be formed as a coil-shaped contact portion 93 having spring properties. In that case, the fixing part is fixed with the screw 35, the contact part 93 on the free end side is assembled to the first electrode 9 in a pressed state, and the connection terminal 91 and the first electrode 9 are made conductive. Even in the case of this structure, even if a dimensional error occurs between the fixed portion of the connection terminal 91 and the first electrode 9, a good electrical connection state can be maintained by elastic contact.

  In FIG. 9, reference numeral 101 denotes a power supply lead for the Peltier element (thermoelectric conversion element) 44, reference numeral 102 denotes a power supply lead for the blower fan 31, and reference numeral 103 denotes a power supply lead for the vibrator 33. The lead openings of each of the power supply leads 101, 102, and 103 and the lead openings of the output leads 89 and 90 described above are sealed with packing in the same manner as the power supply lead 77.

  In the beauty device configured as described above, when the power button 3 is turned on, a driving current is supplied from the control circuit 87, the motor 82 of the vibrator 33 is activated, and after a predetermined period (for example, 1 second), The first mode is entered, and the operation of the instrument begins. Since the vibrator 33 is driven when the power button 3 is turned on, it can be confirmed that the instrument is activated by the touch of the hand, which leads to a sense of security for the user.

  The mode button 4 can be switched from the first mode to the fourth mode every time it is turned on. In the first mode, a voltage with the first electrode 9 having a positive polarity and the second electrode 10 having a negative polarity is applied. Thus, the cotton mat 97 (see FIG. 3) impregnated with lotion is applied to the outer surface of the contact plate 39, and the periphery thereof is fixed by the cap 98 that is press-fitted to the head 2. Can be applied to the face skin, so that ions can be derived and fine dirt such as the face skin can be removed. In the second mode, a voltage whose polarity is alternately switched is applied to the first electrode 9 and the second electrode 10, and the vibrator 33 is driven. Thereby, if the head 2 is applied to the face skin, the skin can be loosened. In the third mode, a voltage with the first electrode 9 having a negative polarity and the second electrode 10 having a positive polarity is applied. In this state, if the cotton mat 97 for cosmetics impregnated with lotion is fixed to the head 2, ion introduction can be performed by applying the cotton mat 97 to the facial skin, and the moisture retention component is infiltrated into the skin. The effect can be enhanced. In the fourth mode, the Peltier element (thermoelectric conversion element) 44 is driven. Thereby, if the head 2 is applied to the face skin, the skin surface can be cooled.

  In each mode, the potential applied to the first and second electrodes 9 and 10 can be switched between strong and weak by turning on the strength button 5. In the first, second, and third modes, in order to energize the skin surface, the main body case 1 is held with one hand, the hand is brought into contact with the second electrode 10, and the head 2 is moved to the face skin. It is necessary to make contact with the skin surface. When the power button 3 is turned on again or when a predetermined period (for example, 5 minutes) elapses after the power button 3 is turned on, the power is turned off. In addition, a mode in which driving of the Peltier element (thermoelectric conversion element) 44, driving of the vibrator 33, and voltage application to the first electrode 9 and the second electrode 10 are performed simultaneously may be provided.

  In the above-described embodiment, a beauty instrument having an ion introduction function has been described, but the ion introduction function can be omitted. In that case, the second electrode 10 that supplies the pulse current may be omitted. The beauty device according to the present invention is used not only for cooling and energizing the face skin but also for cooling and energizing the skin around the neck and the skin around the chest.

  The heat exchanging passage 60 has a constricted shape in which the space between the sink base 54 and the rear case 1b is narrowed in the front-rear direction, or a constricted shape in which the distance in the left-right direction is constricted. Can be configured. The heat sink 30 can take a form in which fins 55 are provided on each of the front and rear surfaces of the sink base 54.

DESCRIPTION OF SYMBOLS 1 Main body case 2 Head 12 Cooling part 13 Ventilation area 15 Electrical component area 17 Partition rib 18 Cover body 30 Heat sink 31 Blower fan 32 Turning body 33 Vibrator 39 Contact plate 44 Peltier element 54 Sink base 55 Fin 60 Heat exchange path 61 Suction port 62 Discharge port 68 Turning wall

Claims (11)

A cooling unit (12) including a main body case (1), a head (2) for cooling the skin surface, and a thermoelectric conversion element (44) for cooling the head (2), and connected to the cooling unit (12). A heat sink (30) for heat dissipation and a blower fan (31) for supplying heat exchange air to the heat sink (30),
An electric component area (15) in which a control circuit (87) for controlling driving of the thermoelectric conversion element (44) is arranged, a heat sink (30), and a blower fan (31) are arranged in the main body case (1). A ventilation area (13)
Air inlets (61) and outlets (62) are opened in the walls forming the ventilation area (13),
A beauty instrument characterized in that a ventilation area (13) and an electrical component area (15) are partitioned by a cover body (18) fixed inside the body case (1). The cooling part (12) is arranged on the upper part of the main body case (1),
A heat sink (30) for releasing heat generated on the high temperature surface side of the thermoelectric conversion element (44) is disposed on the high temperature surface side of the thermoelectric conversion element (44),
The beauty tool according to claim 1, wherein the heat sink (30) is arranged vertically from the cooling part (12) to the outer surface of the cover body (18). A blower fan (31) for supplying cooling air is disposed below the heat sink (30),
The heat sink (30) includes a plate-shaped sink base (54) and a plurality of fins (55) protruding from the sink base (54).
The cosmetic device according to claim 2, wherein the upper part of the outer surface of the cover body (18) is covered with a sink base (54).   The beauty tool according to claim 3, wherein a stepped portion (57) is formed in a middle portion of the sink base (54).   The heat exchange passage (60) sandwiched between the sink base (54) and the peripheral wall of the main body case (1) facing the base (54) has a passage cross-sectional area from the upper portion of the heat sink (30) toward the lower portion. The beauty tool according to claim 3 or 4, which is formed to be small.   A ventilation gap (63) smaller than the front and rear gaps of the heat exchange passage (60) is provided between the sink base (54) and the cover body (18) facing the base (54). Or the beauty instrument of 5. A vibrator (33) is disposed inside the main body case (1) between the cooling unit (12) and the electrical component area (15),
The beauty tool according to any one of claims 1 to 6, wherein the vibrator (33) is fixed by a pressing wall (22) provided on a cover body (18) fastened and fixed to the main body case (1). A discharge port (62) is opened in the peripheral wall of the main body case (1) below the blower fan (31),
A diverter (32) for diverting and guiding the heat exchange air supplied from the blower fan (31) toward the discharge port (62) is provided on the inner surface of the main body case (1) facing the discharge port (62). The beauty tool according to any one of claims 1 to 7, which is fixed. A power feeding socket (75) including a power feeding lead (77) is disposed adjacent to the turning body (32),
The beauty tool according to claim 8, wherein the peripheral surface of the socket (75) on the side of the ventilation area (13) is covered with a turning body (32). A power feed lead (77) is introduced into the electrical component area (15) through a lead opening (78) opened in the cover body (18),
The cosmetic device according to claim 8 or 9, wherein a part of the deflecting body (32) is received by a packing (79) that closes a gap between the power supply lead (77) and the lead opening (78). A control circuit (88) for generating a pulse current for ion introduction or ion derivation is disposed in the electrical component area (15),
The contact plate (39) of the head (2) also serves as the first electrode (9) for introducing or deriving ions. On the outer surface of the main body case (1) also serving as a grip, a second electrode for introducing or deriving ions is provided. The beauty tool according to any one of claims 1 to 10, wherein two electrodes (10) are arranged.

Images