JP4913255B1 - Hair dryer - Google Patents

Abstract

Provided is a hair dryer capable of preventing a decrease in negative ions due to heat or the like, increasing an amount of generated negative ions, and allowing negative ions to reach far.
A hair dryer according to the present invention includes a cylindrical main ventilation path provided with a suction port on one end side and a main discharge port on the other end side, through which air flows, and the main ventilation path. 14 has a fan 18 for blowing the air on the upstream side of the interior 14, a heater 17 for heating the air on the downstream side, and further branched from a position between the fan 18 and the heater 17 in the main ventilation path 14. And a sub-ventilation passage 21 for diverting the air. The sub-ventilation passage 21 includes at least a discharge electrode 24 of ion generating means for generating negative ions, and a cooling means 28 for cooling the diverted air. And a discharge port 23 for discharging the diverted air is provided in communication with the main ventilation path 14.
[Selection] Figure 1

Description

  The present invention relates to a hair dryer, and more particularly to a hair dryer that supplies negative ions together with hot air and cold air.

  With regard to hair dryers used for drying and setting hair, hair that supplies negative ions together with hot and cold air, especially for the purpose of preventing hair pain caused by blowing hot air or generating static electricity A dryer is known.

  Here, the hair dryer 100 shown in FIG. 4 is known as a prior art example of the hair dryer illustrated by the said structure (refer patent document 1). The hair dryer 100 has a structure in which a sub-air passage 119 is provided separately from the air passage 118 in which the blower fan 115 and the heater unit 117 are arranged, and a radiator 156 is arranged therein. The discharge part 133 of an ion generator and the heat absorption part of the thermoelectric conversion part 151 which comprises a cooling device are arrange | positioned facing the air path 118. FIG. In addition, dry air before being heated by the heater unit 117 and introduced by the blower fan 115 is introduced into the auxiliary ventilation path 119. Furthermore, the discharge part 133 is arrange | positioned upstream from an endothermic part, and the negative ion produced | generated by the discharge part 133 is forcedly cooled by an endothermic part. According to this, the amount of ions that can reach the hair can be improved by forcibly lowering the ions generated by the ion generator, maintaining the thermal kinetic energy in a low state, and suppressing the dissipation of ions. It can be done.

  In addition, hair dryers described in Patent Documents 2 to 4 are known as examples of hair dryers that supply negative ions together with hot and cold air.

JP 2008-284202 A JP 2008-264386 A JP 2004-208935 A JP 2005-000546 A

  Here, as exemplified by the hair dryer described in Patent Document 1, in the case where negative ions are generated and released in the main ventilation path through which the hot air heated by the heater flows, the high temperature due to the heat of the hot air is high. There is a problem that negative ions tend to disappear due to the environment. As a result, there arises a problem that the amount of negative ions reaching the hair decreases and the effect decreases.

  On the other hand, as exemplified by the hair dryer described in Patent Document 2, a sub-ventilation passage through which warm air does not pass is provided by branching the vent passage upstream of the heater arrangement position in the main vent passage, and the sub-ventilation When negative ions are generated and released in the road, the problem of the disappearance of negative ions due to heat can be solved. However, the secondary ventilation path is narrower than the main ventilation path, and it is a flow of air that is diverted from the main ventilation path, so the wind speed and volume are low, and the discharge area is filled with negative charges. Thus, there may be a problem that the amount of negative ions generated is reduced. In addition to this, since the air velocity and the air volume in the auxiliary ventilation path are low, there is a problem that the amount of negative ions reaching the hair is reduced and the effect is reduced.

  On the contrary, as exemplified by the hair dryer described in Patent Document 3, if the wind passing through the main ventilation path is diverted in the same direction as it is and distributed to the auxiliary ventilation path, the wind speed in the auxiliary ventilation path There is a problem that the air volume is too high to sufficiently cool the diverted air.

  The present invention has been made in view of the above circumstances, can prevent the decrease of negative ions due to heat or charge saturation, can increase the amount of negative ions generated by circulating sufficiently cooled air, An object of the present invention is to provide a hair dryer that can reach far.

  As an embodiment, the above-described problem is solved by a solution as disclosed below.

The disclosed hair dryer is provided with a cylindrical main ventilation path in which a suction port for taking in air is provided on one end side, a main discharge port for discharging the air is provided on the other end side, and the air flows therethrough. In a hair dryer having a fan for blowing the air on the upstream side inside the ventilation path and a heater for heating the air on the downstream side, a branch is made from a position between the fan and the heater in the main ventilation path. comprising a secondary air passage for diverting the air, the sub-air passage is inside, the discharge Denden poles of the ion generating means for generating negative ions, and a cooling means for cooling said diverted air is provided with, outlet for releasing the air flowed該分is provided to communicate with the main air passage, the discharge electrodes of the ion generating means is disposed in the vicinity of the outlet of the secondary air passage Together, the opposing electrodes of the ion generating means may be a requirement that is disposed on top of said main air passage.

  According to the disclosed hair dryer, it is possible to prevent a decrease in negative ions due to heat and to prevent a decrease in the amount of negative ions generated due to charge saturation. Further, the amount of negative ions generated can be increased by circulating sufficiently cooled air. Furthermore, it is possible to make negative ions reach far.

It is the schematic (side sectional drawing) which shows the example of the hair dryer which concerns on embodiment of this invention. It is the schematic (front view) which shows the example of the hair dryer which concerns on embodiment of this invention. FIG. 3 is a partially enlarged view of FIG. 2. It is the schematic (side sectional drawing) which shows the example of the hair dryer which concerns on the conventional embodiment.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side sectional view (schematic diagram) showing an example of a hair dryer 1 according to an embodiment of the present invention, and FIG. 2 is a front view (schematic diagram) thereof. FIG. 3 is a partially enlarged view of a portion X in FIG. Note that components having the same function are denoted by the same reference symbols throughout the drawings for describing the embodiments, and the repetitive description thereof may be omitted.

  As shown in FIGS. 1 and 2, the hair dryer 1 according to the present embodiment has a grip 12 foldably attached to a lower portion of the housing 11 and a suction port 15 for taking in air (outside air) at the rear end of the housing 11. The main discharge port 16 for discharging the taken-in air is provided at the front end of the housing 11. As a result, a cylindrical main ventilation path 14 through which the air flows is formed in the housing 11.

  Inside the main ventilation path 14 of the housing 11, outside air is taken into the main ventilation path 14 from the suction port 15 and blown toward the main discharge port 16, and is discharged from the main discharge port 16 as hot air (or cold air). A fan 18 and a motor 19 that rotationally drives the fan 18 are provided. The rotation speed of the motor 19 is set so as to be switchable between a high speed and a low speed, for example, by switching a switch 13 provided on the grip 12.

  Further, in the main ventilation path 14 of the housing 11, the air taken into the main ventilation path 14 on the downstream side of the fan 18 (that is, on the downstream side in the flow direction of the air generated by driving the fan 18). Is provided with a heater 17. This makes it possible to generate warm air. The flow of the warm air is indicated by broken arrows C and D in FIG. In addition, you may provide the cold wind mode which discharge | releases the wind with the temperature of the taken in outside air by not energizing the heater 17. FIG.

  As an example, a heating wire is used for the heater 17 and is wound around the central axis S of the cylindrical main ventilation path 14 in the circumferential direction. The heater 17 is shown by hatching in FIG. 1, and the outer position of the heater 17 is shown by broken lines in FIG. In the present embodiment, the heater 17 is arranged so that the outer diameter of the upper half near the sub-ventilation passage 21 (described later) with respect to the central axis S of the main ventilation passage 14 is smaller than the outer diameter of the lower half. It is installed. As a result, a wind passage that is not heated by the heater 17 is formed in the uppermost portion 14 a in the main ventilation passage 14. This wind flow is indicated by a broken-line arrow B in FIG. On the other hand, the wind flowing through the lowermost portion of the main ventilation path 14 is released as the hottest hot air among the hot air generated by the heater 17. A broken line arrow D in FIG. 1 indicates the flow of this high-temperature hot air.

  On the other hand, as a characteristic configuration of the present embodiment, the main air passage 14 branches from a position between the position where the fan 18 is disposed and the position where the heater 17 is disposed, and enters the main air passage 14 from the suction port 15. A sub-ventilation passage 21 is provided for diverting the air (outside air) taken into the air. As an example, a bulging portion 20 that bulges the upper portion of the housing 11 upward is provided, and the auxiliary ventilation path 21 is disposed inside the bulging portion 20.

  More specifically, as shown in FIG. 1, the intake port 22 that branches from the main ventilation path 14 and diverts the air to the sub ventilation path 21 has an arrangement position of the fan 18 and an arrangement of the heater 17 in the main ventilation path 14. It is provided between the installation positions. In addition, a discharge port 23 that discharges air into the main ventilation passage 14 that is divided by joining the sub-ventilation passage 21 to the main ventilation passage 14 is disposed at the position where the heater 17 is disposed and the main discharge port 16 of the main ventilation passage 14. It is provided between the installation positions. That is, the discharge port 23 that discharges the diverted air communicates with the main ventilation path 14. In FIG. 1, a broken-line arrow A indicates the flow of air that is diverted from the main ventilation path 14 to the sub ventilation path 21 by the intake port 22 and merges from the sub ventilation path 21 to the main ventilation path 14 by the discharge port 23.

  In addition, the intake port 22 is provided in a hole shape that opens to the inner wall surface of the main ventilation path 14, and the flow path 21 a in the vicinity of the intake port 22 in the sub-ventilation path 21 is predetermined with respect to the main ventilation path 14. An angle θ is provided (see FIG. 3). The angle θ is preferably set to an acute angle, and is set to about θ = 45 [°] as an example, but is not limited to this angle. According to this configuration, it is possible to reduce the wind speed / air volume of the air diverted into the auxiliary ventilation path 21 to an appropriate value. Therefore, it is possible to solve the above-described problem, that is, the problem that the diverted air cannot be sufficiently cooled because the wind speed and the air volume in the auxiliary ventilation path are too high. In addition, by appropriately changing the inner diameter or the angle θ of the intake port 22, it is possible to adjust the air speed and the air volume of the air in the auxiliary ventilation path 21 to optimum values.

  On the other hand, the discharge port 23 is provided in communication with the uppermost part 14 a in the main ventilation path 14. As a result, it is possible to join the air diverted into the sub-ventilation passage 21 to the unheated air having a high wind speed and air volume that flows through the uppermost portion 14a in the main ventilation passage 14.

  In addition, cooling means for cooling the diverted air is provided inside the sub-ventilation passage 21. As the cooling means in the present embodiment, the heat absorbing portion 28 of the Peltier element 27 is used. More specifically, as shown in FIG. 1, the Peltier element 27 is disposed so that the heat absorbing portion 28 is exposed in the auxiliary ventilation path 21. By energizing the Peltier element 27, the heat absorbing portion 28 becomes low in temperature, so that the air in the auxiliary ventilation path 12 is cooled. At the same time, an effect of supplying water droplets by condensing water vapor in the air is also obtained. By these actions, it becomes possible to improve the negative ion release action described later. The cooling means is not limited to the heat absorbing portion 28 of the Peltier element 27.

  In addition, ion generating means for generating negative ions is provided inside the sub-ventilation passage 21. As an example, the ion generating means includes a discharge electrode 24 and a counter electrode 25, and a cathode of a high voltage power source (not shown) is connected to the discharge electrode 24, and an anode is connected to the counter electrode 25. By discharging between the electrodes, negative ions are generated. In the present embodiment, the discharge electrode 24 of the ion generating means is arranged in the sub ventilation path 21 and the counter electrode 25 is arranged in the main ventilation path 14. However, the present invention is not limited to this, and a configuration in which the discharge electrode 24 and the counter electrode 25 are disposed in the auxiliary ventilation path 21 is also conceivable. Further, other ion generating means may be used.

  More specifically, as shown in FIG. 1, the discharge electrode 24 of the ion generating means is disposed in the vicinity of the discharge port 23 in the auxiliary ventilation path 21. The discharge electrode 24 in the present embodiment is configured using an ion needle having a needle shape, and a wire (not shown) from the high-voltage power source is connected to the ion needle, and the tip of the needle is mainly used. It arrange | positions toward the direction of the ventilation path 14. FIG. This makes it possible to discharge toward the main ventilation path 14.

  On the other hand, the counter electrode 25 of the ion generating means is disposed on the uppermost part 14 a in the main ventilation path 14. The counter electrode 25 in the present embodiment is configured using a grommet fixed to the heater plate 26, and wiring (not shown) from the high voltage power source is connected to the grommet.

As described above, by providing the auxiliary ventilation path 21 and configuring the intake port 22 and the flow path 21a in the vicinity of the intake port 22 as described above, the wind speed of the air divided into the auxiliary ventilation path 21 Since the air volume can be reduced to an appropriate value, and the effect of cooling the air in the sub-ventilation passage 21 by the cooling means (herein, the heat absorbing portion 28) and the effect of supplying water droplets can be enhanced. The effect of generating negative ions can be enhanced by discharging to a low pressure. On the other hand, if the wind speed and the air volume of the air in the sub-ventilation passage 21 are reduced, the opposite problem, that is, as described above, the discharge portion and the periphery thereof are saturated with a negative charge, and the amount of negative ions generated There may be a problem that decreases (decreases). On the other hand, in the present embodiment, the negative electrode is saturated in the narrow sub-air passage 21 by disposing the discharge electrode 24 in the sub-air passage 21 and arranging the counter electrode 25 in the main air passage 21. Since the situation can be prevented, the problem can be solved.
However, since the counter electrode 25 is disposed in the main ventilation path 14, the above-described problem, that is, the problem that the negative ions are likely to disappear due to the high temperature environment caused by the heat of the warm air may occur. On the other hand, in this embodiment, the outer diameter dimension of the upper half part of the heater 17 is made small, and the flow path of the wind which is not heated by the heater 17 in the uppermost part 14a in the main ventilation path 14 is formed. Is possible. In addition to this, the discharge port 23 of the auxiliary ventilation path 21 is communicated with the main ventilation path 14, and the generated negative ions are unheated and circulate through the uppermost portion 14a in the main ventilation path 14, and have a high wind speed and volume. By sending it on the air, it is possible to solve the above-mentioned problem, that is, the problem that the effect of the negative ion amount reaching the hair is reduced due to the low wind speed and air volume in the sub-air passage.

Then, operation | movement of the hair dryer 1 provided with the said structure is demonstrated.
First, when the power is turned on by the switch 13 provided in the grip 12 (warm air mode), the motor 19 and the heater 17 are operated, and the outside air is introduced into the main ventilation path 14 from the inlet 15 and is heated by the heater 17. It is discharged from the main discharge port 16 as warm air. Here, the flow rate (air volume) of the air flowing through the main ventilation path 14 may be always constant, or may be changed by a switch 13 provided in the grip 12 so as to be adjustable stepwise or continuously. When the cool air mode is provided as described above, when the power is turned on (cold air mode), the heater 17 is not energized, and thus the cool air (the air at the outside air temperature) is discharged from the main discharge port 16.

  At the same time as the air flow is generated in the main ventilation path 14, the air is diverted from the main ventilation path 14 to the sub ventilation path 21 by the intake port 22, and is merged from the sub ventilation path 21 to the main ventilation path 14 by the discharge port 23. An air flow (divided flow) is generated.

  The air flow (divided flow) divided into the sub-ventilation passage 21 is cooled by the cooling means (here, the heat absorbing portion 28 of the Peltier element 27). Further, water vapor contained in the air condenses by cooling, and water droplets are generated in the diverted air.

  On the other hand, when the power is turned on, a high voltage is applied between the discharge electrode 24 and the counter electrode 25, and a strong electric field is generated in the gap between the tip of the discharge electrode 24 and the counter electrode 25. At this time, discharge (corona discharge) is performed in the air cooled by the cooling means and supplied with water droplets, and negative ions are released. In the present embodiment, an effect that the negative ions are generated in the vicinity of the inside and outside of the discharge port 23 of the sub-ventilation passage 21 can be obtained, and the negative ions (negative charges) can be prevented from being saturated. It is possible to prevent the generation amount from decreasing.

  When the diverted air in the sub-ventilation passage 21 joins from the discharge port 23 to the main ventilation passage 14, the negative ions generated as described above are unheated and circulates through the uppermost portion 14a in the main ventilation passage 14, and the wind speed / The air is discharged from the main discharge port 16 on the air having a high air volume.

  As described above, according to the hair dryer according to the present invention, it is possible to prevent a decrease in negative ions due to heat and to prevent a decrease in the amount of negative ions generated due to charge saturation. In addition, it is possible to increase the amount of negative ions released by circulating sufficiently cooled air, and to make negative ions reach far.

  More specifically, it is possible to reduce the air speed and the amount of air diverted into the auxiliary ventilation path to an appropriate value, and to cool the air in the auxiliary ventilation path by the cooling means and to supply water droplets. Therefore, the negative ion generation effect can be enhanced by discharging into the air. That is, the amount of negative ions generated can be increased.

  Further, since negative ions can be generated in the vicinity of the inside and outside of the outlet of the auxiliary ventilation path, it is possible to prevent the negative charge from being saturated in the narrow auxiliary passage and reducing the amount of generated negative ions.

  Moreover, it is possible to prevent the generated negative ions from being reduced by the heat of the hot air by generating an unheated air flow with a high wind speed and volume at the top of the main ventilation path. Furthermore, the negative ions can be made to reach far enough, that is, the user's hair.

  The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the present invention.

DESCRIPTION OF SYMBOLS 1 Hair dryer 11 Housing 12 Grip 13 Switch 14 Main ventilation path 15 Inlet 16 Main discharge port 17 Heater 18 Fan 19 Motor 20 Blowing part 21 Sub ventilation path 22 Intake port 23 Release port 24 Discharge electrode 25 Counter electrode 26 Heater plate 27 Peltier element 28 Heat absorption part of Peltier element

Claims (5)

A suction port for taking in air is provided on one end side, a main discharge port for discharging the air is provided on the other end side, and a cylindrical main ventilation path through which the air flows is provided, and an upstream side inside the main ventilation path In a hair dryer having a fan for blowing the air and a heater for heating the air on the downstream side,
A secondary ventilation path for branching from the position between the fan and the heater in the main ventilation path and diverting the air;
The secondary air passage has therein a discharge Denden poles of the ion generating means for generating negative ions, with a cooling means is provided for cooling the said diverted air, release to release the air that has flowed該分An outlet is provided in communication with the main ventilation path ;
The discharge electrode of the ion generating means is disposed in the vicinity of the discharge port in the sub ventilation path, and the counter electrode of the ion generating means is disposed at the uppermost part in the main ventilation path. Hair dryer according to claim <br/> that. The sub-ventilation path is provided with an intake port that divides air from the main vent path in a hole shape that opens on the inner wall surface of the main vent path, and a flow path near the intake port in the sub-ventilation path is provided. The hair dryer according to claim 1, wherein the hair dryer is provided so as to form a predetermined angle with respect to the main ventilation path. The heater is disposed such that the outer diameter of the upper half near the sub-ventilation path is smaller than the outer diameter of the lower half with respect to the center of the main ventilation path. The hair dryer according to claim 1 or 2, wherein a wind passage not heated by the heater is formed at the top of the hair dryer. The hair dryer according to claim 3, wherein the discharge port of the auxiliary ventilation path is provided in communication with the uppermost portion in the main ventilation path. The hair dryer according to any one of claims 1 to 4 , wherein the cooling means is a heat absorbing portion of a Peltier element.

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