JPH059403U - Hair dryer - Google Patents

Abstract

(57) [Summary] [Purpose] In a hair dryer that is capable of delivering hot / cold air at the same time or only hot air, both hot / cold air and hot air alone can be discharged from the hot air outlet. The temperature of the discharged hot air is controlled to be kept constant so that the hair can be set without damaging the hair and giving a hot feeling. [Configuration] A warm air outlet 4 and a cold air outlet 5 on the front end side
A hot air passage 10 for passing the air from the air blower 9 to the hot air outlet 4 and a cold air passage 11 for passing the cold air outlet 5 are formed inside the main body case 1 having the suction ports 8 on the rear end side. To do. A heat generating device 14 is provided in the warm air passage 10. A means for opening and closing the cold air passage 11 is provided. An air blowing control unit 30 that increases the amount of air blown in the air blowing device 9 is provided in association with the opening operation of the cold air passage 11. Instead of the air blow control unit 30, a heat generation control unit 34 that reduces the amount of heat generated in the heat generating device 14 in association with the opening operation of the cold air passage 11 may be provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is a hair dry that can blow out two kinds of wind, hot air and cold air, at the same time. Regarding the improvement of Ya.

[0002]

[Prior art]

  As this type of hair dryer, for example, Japanese Utility Model Laid-Open No. 48-39076 and As disclosed in Japanese Patent Laid-Open No. 48-30082, hot air outlets and cold air outlets By arranging and in the same direction, hot air and cold air can be blown out at the same time, In addition, by opening and closing the cool air outlet, it is possible to output only warm air or cold air. There are things that I was able to do.

[0003]

[Problems to be solved by the device]

  The problem here is that the hot air outlet and the cold air outlet are used to emit hot air and cold air at the same time. Both mouths are fully open. In this case, the wind sent from one fan Will flow into both the hot air passages and the cold air passages. The air volume from the air outlet is the same as when the cold air passage is closed and only hot air is emitted from the hot air outlet. It is reduced by the amount that flows into the cold air passage rather than the air volume. Therefore, at this time As for the temperature of the hot air discharged from the passage, the cold air passage is closed and only the hot air is emitted from the hot air passage. The temperature rises to an abnormally high temperature. For this reason, the heater It is easy to heat damage electronic components and hair styling nozzles. Problems such as being easily damaged and further giving hot discomfort occur.

[0004]   The purpose of the present invention is to provide hot air and cold air at the same time as described above. In a dry hair dryer, when warm air and cold air are simultaneously emitted, only hot air is emitted. Also, by controlling so that the temperature of the hot air discharged from the hot air passage is kept constant. It can be set without damaging the hair and giving it a hot feeling. There is a point.

[0005]

[Means for Solving the Problems]

  The present invention, as illustrated in FIGS. 1 and 4, includes a hot air outlet 4 and a cool air outlet 4 on the front end side thereof. It has a main body case 1 provided with an air outlet 5 and a suction port 8 on the rear end side. The air blower 9 is provided on the suction port side of the base 1, and the air blower 9 is installed in the main body case 1. A hot air passage 10 for sending the wind of the hot air to the hot air outlet 4 and a cold air passage 11 for sending the cold air to the cold air outlet 5. Form the heat generator 14 in the hot air passage 10 and open and close it in the cold air passage 11. Assuming a hair dryer equipped with a means for A blower control unit 30 that increases the blown amount of the blower 9 in association with the operation is provided. It is a thing. Instead of the blower control unit 30, heat is generated in conjunction with the opening operation of the cold air passage 11. A heat generation control unit 34 that reduces the heat generation amount in the device 14 may be provided.

[0006]

[Action]

  When the blower control unit 30 is provided, both the hot air passage 10 and the cold air passage 11 are opened. As a result, the amount of air blown can be increased, so that the warm air generated by opening the cold air passage 11 The decrease in the air volume into the passage 10 can be compensated for, and the warm air from the hot air outlet 4 is heated. The phenomenon can be prevented, and therefore, the warm air is blown from the hot air outlet 4 with the cold air passage 11 closed. The temperature can be the same as that of the hot air.

[0007]   When the heat generation control unit 34 is provided, both the hot air passage 10 and the cold air passage 11 are opened. And the calorific value is reduced in conjunction with the opening operation of the cold air passage 11, Even if the cold air passage 11 opens, it is possible to prevent the warm air from increasing in temperature. Only the hot air is blown out from the hot air outlet 4 in the closed state. You can

[0008]

[Effect of device]

  Therefore, according to the hair dryer of the present invention, it is possible to blow out hot air and cold air at the same time. In addition to being able to do it, the hot air outlet 4 exits when the cold air passage 11 is opened or closed. Since the temperature of the warm air can be kept constant, the heat can be maintained without damaging the hair. It is advantageous that you can set it without feeling it.

[0009]

【Example】

  An embodiment of the present invention will be described with reference to FIGS.   1 to 3, reference numeral 1 denotes a body case of a hair dryer, which is a body case. The space 1 is a blower tube portion 2 that is long in the front-rear direction, and is connected to the blower tube portion 2 from the rear end side downward. It is formed in a pistol shape having a lip portion 3. Left and right of the rear end of the blower tube 2 Open the suction port 8 on the side surface, and at the front end side of the suction port 8 The surrounding cold air outlet 5 is opened concentrically, and the air is blown into the blower tube 2 at the inlet side. The air blower 9 includes a fan 6 and a fan 7 that is rotated by a motor 6.

[0010]   The main body case 1 has a warm air passage 10 for sending the air from the air blower 9 to the hot air outlet 4 and a cool air passage 10. A cold air passage 11 for sending to the air outlet 5 is formed. Inside, the cold air passages 11 are formed on the outer circumference of the blower tube portion 2.

[0011]   Inside the warm air passage 10, a heater is provided on the outer periphery of a cross-shaped insulating plate 12 when viewed from the front. A heating device 14 formed by winding 13 is provided. The outer circumference of the heater 13 is made of metal Care should be taken not to have a heat effect on the blower tube 2 by being covered with the heat shield tube 15. ing.

[0012]   In the cold air passage 11, the outer tube 16 is provided on the outer circumference of the blower tube portion 2 in a predetermined stroke in the front-rear direction. Formed so as to be relatively movable relative to each other and formed between the blower tube portion 2 and the outer tube 16, The wind from the blower device 9 is provided in the blower tube portion 2 at the rear side of the heat generating device 14, and the cool air passage hole 1 is provided. It is introduced into the cold air passage 11 through 7.

[0013]   The outer tube 16 is formed in such a manner that its front end 16a is narrowed down. The front end 16a of the blower slides away from the front end 2a of the blower tube part 2 when it slides forward. The cold air outlet 5 on the front end side of the cold air passage 11 is opened by and slides rearward. And its front end 16a abuts on the front end 2a of the blower tube portion 2 so that the cool air outlet 5 is To be closed. A rib 19 extending in the front-rear direction is provided on the outer circumference of the blower tube portion 2 in the circumferential direction. The space between the blower tube portion 2 and the outer tube 16 is maintained at a constant interval, and Sliding friction of the pipe 16 with the blower tube portion 2 is reduced. Further, the rib 19 is the outer tube 1 When 6 slides forward, the rear end 16b is abutted against the rear end of the rib 19. By controlling the outer tube 16, the outer tube 16 also has a function of restricting forward movement.

[0014]   The inside of the main body case 1 is for controlling the blower 9 and the heat generator 14. Contains electrical circuitry.   The electric circuit is, as shown in FIG. 4, a blower circuit 20 for energizing the blower motor 6. , A heat generating circuit 21 for energizing the heater 13 for heat generation, and the blower circuit 20 and the blower circuit 21. The main control unit 22 that regulates the energization state to the thermal circuit 21 is provided.

[0015]   The blower circuit 20 includes a diode bridge 24, and a main body case is connected via a plug 25. After full-wave rectification of the commercial AC voltage introduced in the source 1 by the diode bridge 24 It is applied to the motor 6 to rotate it.

[0016]   The heating circuit 21 connects the thermostat 26 in series with the heater 13 and The heat generation temperature can be maintained below the set value by the ON / OFF operation of the tut 26.

[0017]   The main controller 22 is a slide switch 27 as shown in FIG. 9 is provided in the grip portion 3, and the blower circuit 20 is linked with the sliding operation of the knob 29. Also, the timing of starting energization of the heat generating circuit 21 is controlled.

[0018]   A blower control unit 30 capable of controlling the rotation speed of the motor 6 in the blower circuit 20 is provided. Set up.   As shown in FIG. 4, the blower control unit 30 has two series connections on the input side of the blower circuit 20. Equipped with the motor resistances 31 and 32, which are normally open type in parallel with one motor resistance 31. The switch 33 is connected. The switch 33 is connected to the outer tube 16 as shown in FIG. It is provided between the wind tube portion 2 and the outer tube 16 and slides forward to cool the cold air passage 1 When 1 is opened, it closes, and when it slides backward and the cold air passage 11 is closed, it opens. Operate.

[0019]   Now, when the hot air and the cold air are blown at the same time, the outer tube 16 is opened to open the cold air passage 11. Sliding the switch forward closes the switch 33 and shorts the motor resistance 31. And the voltage applied to the blower circuit 20 rises, the rotation speed of the motor 6 is increased, and Increase the air volume. Due to the increase in the blown air volume, the warm air blown out from the warm air outlet 4 is different. It is possible to prevent the temperature from constantly rising, and to keep the temperature from the hot air outlet 4 with the cold air passage 11 closed. It can be the same as the temperature when only the wind is emitted.

[0020]   Instead of the blower control unit 30, as shown in FIG. A heat generation control unit 34 that controls the amount of electricity supplied to the device is provided.   The heat generation control unit 34 includes two heaters 1 connected in series as shown in the circuit diagram of FIG. A normally open switch 33 is connected in parallel with one of the heaters 3a and 13b. It The switch 33 includes the outer tube 16 and the blower tube portion 2 as in the case of the above embodiment. It is provided between. To open the cold air passage 11 when blowing out hot air and cold air at the same time When the outer tube 16 is slid forward, the switch 33 is closed and one heater is 13a is short-circuited to reduce the amount of heat generated by only the other heater 13b. But At this time, too, the warm air blown out from the warm air outlet 4 can be prevented from rising abnormally. , Its temperature when only the hot air is discharged from the hot air outlet 4 with the cold air passage 11 closed Can be the same as

[0021]   The heat generation control unit 34 replaces that shown in FIG. 5 with the heat generation circuit 21 as shown in FIG. A rectifying diode 35 is connected between the main control unit 22 and the A normally closed switch 33 is connected in parallel, and the switch 33 is the same as that in the above embodiment. Similarly, it is provided between the outer tube 16 and the blower tube portion 2. To close the cold air passage 11 When the outer tube 16 is slid rearward, the heater 13 is pressed through the switch 33. The commercial AC voltage is applied to the outer tube 16 as it is to open the cold air passage 11. If you slide forward, the diode 35 half-wave rectifies the commercial AC voltage, The electric power supplied to the heater 13 is reduced to about half, and the amount of heat generated by the heater 13 is reduced. Reduce. Therefore, at this time as well, the warm air blown out from the warm air outlet 4 rises abnormally. It is possible to prevent the hot air from flowing out from the hot air outlet 4 with the cold air passage 11 closed. It can be the same as the temperature at which it is served.

[0022]   As the opening / closing means for the cold air passage 11, in addition to the above embodiment, for example, shown in FIG. So that the front end 2a of the blower tube portion 2 is formed into a trumpet shape, and the front end 16a of the outer tube 16 is By forming the outer tube 16 in parallel and sliding the outer tube 16 back and forth, both front ends 2a and 16 It is also possible to open and close the cold air outlet 5 formed between a. Also shown in FIG. As described above, an opening / closing valve body 36 is provided separately from the blower tube portion 2, and the opening / closing valve body 36 is connected to the cold air passage 1 The cold air passage 11 can be opened and closed by being provided slidably on the inlet side of 1.

[0023]   As shown in FIG. 7, the front end 2a of the blower tube portion 2 or the front end 16a of the outer tube 16 is agitated. A member 37 is provided so that both hot air and cold air are agitated and mixed when they are blown out at the same time. You can also do it.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view showing a part of the structure.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is an exploded perspective view.

FIG. 4 is an electric circuit diagram.

FIG. 5 is an electric circuit diagram showing another embodiment.

FIG. 6 is an electric circuit diagram showing still another embodiment.

FIG. 7 is a partial vertical side view showing another embodiment.

FIG. 8 is a vertical cross-sectional side view showing a further embodiment with a part thereof broken away.

[Explanation of symbols]

1 body case 4 Hot air outlet 5 Cold air outlet 8 suction port 9 Blower 10 hot air passage 11 Cold wind passage 14 heating device 30 Blower control unit 34 Heat generation control unit

Claims (2)

[Scope of utility model registration request] 1. A main body case 1 having a hot air outlet 4 and a cold air outlet 5 on its front end side and a suction port 8 on its rear end side.
The air blower 9 is provided on the suction port side in the main body case 1, and the wind from the air blower 9 is placed in the main body case 1 with the warm air outlet 4
Air passage 10 for sending air to the cold air passage 11 and cold air passage 11 for sending air to the cold air outlet 5
In the hair dryer having the heating device 14 arranged in the hot air passage 10 and having means for opening and closing the cold air passage 11, the blower is operated in conjunction with the opening operation of the cold air passage 11. A hair dryer comprising a blower control unit 30 for increasing the blown amount of the device 9. 2. A main body case 1 having a hot air outlet 4 and a cold air outlet 5 on its front end side and a suction port 8 on its rear end side.
The air blower 9 is provided on the side of the suction port 8 in the main body case 1.
Air passage 10 for sending air to the cold air passage 11 and cold air passage 11 for sending air to the cold air outlet 5
In the hair dryer having the heating device 14 arranged in the hot air passage 10 and the means for opening and closing the cold air passage 11, heat is generated in association with the opening operation of the cold air passage 11. A hair dryer, comprising a heat generation control unit 34 for reducing the amount of heat generated in the device 14.