JPS62249611A - Hair dryer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] 〔Technical field〕 This invention relates to a hair dryer.

[Background technology]

In hair dryers used for drying hair, styling, etc.
Recent trends include wanting to do everything from drying wet hair to styling and setting hair without damaging the hair, wanting to do it quickly, and wanting to use it comfortably even in a hot room in the summer without feeling hot. There is a need.

Therefore, it is necessary to specify specifications for equipment that correspond to diversified needs. For example, by controlling the air temperature to the desired amount,
Specifications that allow you to use it appropriately for summer and winter, specifications that allow you to use it for drying and setting after washing your hair,
It has become necessary to have specifications that appropriately control the air temperature so as not to damage the hair, as well as specifications that allow switching of the air volume, etc. It is necessary to make the functions provided in the equipment visually appealing to the user so that the user can accurately grasp the contents of the functions before using the equipment.

For this reason, as seen in the specification and drawings of Japanese Utility Model Publication No. 58-20163, hair dryers equipped with display means such as light emitting diodes (light emitting elements) and display marks have been provided. However, in the conventional example described above, the light emitting diode and the dial, which is the operator of the light emitting diode, are located at separate locations, so each requires a large installation space.
In addition, since the display mark was placed in parallel with the switch provided on the grip, there was a drawback that when operating the switch with the fingers, the display mark was hidden by the fingers and was difficult to see.

[Purpose of the invention]

In view of the above problems, it is an object of the present invention to provide a hair dryer that is compact and has a display means that is easy to see when operating the operator.

[Disclosure of the Invention] In order to achieve the above object, a hair dryer according to the present invention includes: a control circuit that controls the amount of current applied to a load; a switch operator that adjusts the amount of current applied via the control circuit; In the hair dryer equipped with a display means for displaying the energization level according to the adjustment by the operator, the operator and the display means are arranged in a straight line, and the display means is set higher than the operator. The gist is a hair dryer characterized by being placed on the mouth side.

Hereinafter, the hair dryer according to the present invention will be described in detail with reference to the drawings showing embodiments thereof.

Fig. 1 shows an entire cross-section of an embodiment of the hair dryer according to the present invention, and Fig. 2 shows a state in which it is disassembled except for a part and viewed diagonally from above. There is. As shown in these figures, the main body of the hair dryer has a body 1 attached to its exterior. Body 1 is
It consists of two parts, one of which is the first case body 2.
The other is the second case body 3. These first and second case bodies 2.3 are provided with a mounting step 5 having an attachment/detachment button 4 at the tip, and an outside air intake port 6 and a connector mounting portion 7 at the rear end. first and second case bodies 2,
3 each have a semi-cylindrical shape, and are combined together to form one cylinder. A cap 9 having an accent ring 8 at its base is attached to the mounting step 5. The cap 9 consists of a straight cylindrical cap tube 10 and a lattice 11 integrally formed to cross orthogonally cross the tip thereof. The gaps between the grids serve as ventilation ports 112.

A rear end frame portion 14 having an outside air intake port 6 is formed at the rear end of the body 1, and a connector ring 16 to which a power cord 15 is connected is attached to the center of the rear end frame portion 14. It is being The power cord 15 and the connector ring 16 are connected to each other by a connecting tube 17, and one end of a fixing ring 18 provided on the outer periphery of the connecting tube 17 engages with a hole in the center of the rear end frame portion 14. installed. A rear end cap 19 is fitted onto the outer periphery of the fixing ring 18, and an intake filter 20 is attached via this rear end cap 19. A rectifier blade 22 having a motor (M) 21 at the center of the front end is provided at the rear of the body l. The rectifier blade 22 is attached to the body l via a cylindrical fan housing 23 provided so as to protrude from its rear end. An air supply fan 24 driven by the motor 21 is provided within the fan housing 23 . The air supply fan 24 is
The outside air sucked in from the outside air intake port 6 through the intake filter 20 is sent to the rectifying blade 22, straightened through the rectifying blade 22, and then passed through the enclosure frame 25 provided at the front part of the body 1 to the base 9. Air is sent from the air outlet 112 to a removable attachment (not shown).

The enclosing frame 25 is attached to the body 1, and a first wiring board 26 is installed in the open bottom portion of the enclosing frame 25. The first wiring board 26 is a rectangular plate that is long from front to back, and is provided with an ascending stepped portion 27 at a slightly higher front end thereof. This first wiring board 26 is arranged parallel to the center of the body l and close to the inner circumferential wall of the second case body 3, and has an upward step portion 27 at its front end on the upper surface, which is the center side of the body 1. A temperature sensor 31 is installed at. This temperature sensor 31
As shown in the figure, a positive temperature coefficient thermistor (PTC) 32 and a micro heater (μH) 33 for PTC temperature control.
It consists of

A thermoswitch (Th) 37 is arranged behind the temperature sensor 31 on the first wiring board 26 . Furthermore, a heater block 35 is arranged behind the thermo switch 37. As shown in FIG. 4, the heater block 35 includes a pair of front and rear conductive support pieces 38, 38.

The conductive support piece 38 is composed of a cylindrical insertion tube 39 and support legs 40 extending downward from the insertion tube 39 in a V-shape. The conductive support piece 38 is entirely made of conductive material. An insulating pipe 41 is inserted between the two conductive support pieces 38 via insertion tubes 39, 39. This insulating pipe 41 is provided with a heater wire (H) 42 on its outer periphery.

The heater wire 42 is formed into a ring shape using a strip-shaped material such that large covering parts and small covering parts alternate.

The heater wires 42 are arranged concentrically around the outer periphery of the insulated pipe 41, and are arranged in multiple stages in the axial direction of the insulated pipe 41.

A voltage dividing resistor block 50 is arranged behind the heater block 35 on the first wiring board 26 . This voltage dividing resistor block 50 is connected to the motor 21 as shown in FIG.
It is provided to reduce the voltage applied to the first and second insulating substrates 51 and 51 on the left and right pair of insulating substrates 51 and 51, respectively. Second voltage dividing resistance wire (R
? , Re ) 52, 53 are wound, and these insulating substrates 51° 51 are arranged so as to be parallel to the air blowing direction. A through hole 60 is formed in the center of the insulating substrate 51. The insulating substrate 51 is inserted and attached to the first wiring board 26 by means of conductive insertion legs 54 attached to the lower end thereof so as to protrude downward. A conductive connecting piece 55 is attached between the upper ends of the left and right insulating substrates 51, 51 so as to form a gate shape. This connecting piece 55 is formed into a substantially T-shape,
The tips 59 of the T-shaped legs are inserted into the first wiring board 26. A temperature fuse 46 is installed between the insulating substrates 51 and 51 by utilizing the space.

A control circuit component block 62 is arranged behind the voltage dividing resistor block 50 on the first wiring board 26 so as to be in front of the motor 21 . The control circuit component block 62 is
As shown in FIG. 6, the first to third sub-wiring boards 63
．． 64.65. The first and second sub-wiring boards 63 and 64 are provided vertically in the same row behind the insulating board 51 of the voltage dividing resistor block 50. The first and second sub-wiring boards 63 and 64 are sub-wiring plates 66.
67, and a third sub-wiring board 65 is provided above both boards 63 and 64 so as to face horizontally. A triac (T) 49 is installed on this third sub-wiring board 65. Said 1st. A toroidal core (L) 68, which is a triac switching noise prevention coil, is installed between the second sub-wiring boards 63 and 64 so as to be connected to the first wiring board 26. 1st. On the outside of the second sub-wiring board 63, 64, there are
Capacitors for triggers (C+ to C4) 69 to 71.
Control components such as 47, a diode 72, a coil 73, a silicon bidirectional switching (trigger) element (SBS) 48, and a rectifier (D) 74 are arranged.

A cap 85 is attached to the back side of the first wiring board 26 so as to correspond to the heater block 35 . A slide member 87 of a power on/off switch (S, ) 86 is set in this cap 85. This slide member 87 is adapted to be moved by an operator 86a of the power on/off switch 86.

A second wiring board 76 is provided at a position on the back side of the first wiring board 26 so as to be parallel to the second wiring board 76 . The second wiring board 76 has three temperature control control lamps (light emitting elements) 77 (D,), 78 () in order from the front side.
Ds), 79 (D6), air temperature control switch (S: l > s o - wind m control switch (divided voltage resistance changeover switch 52) 81, and air temperature fine adjustment volume (V R) 36 are connected in series. The operator 80a of the air temperature control switch 80 and the operator 81a of the air volume control switch 81 are configured to slide back and forth.

The electric power M: (amount of current applied) to the heater wire (load) 42 is switched as follows.

As shown in Figure 3, this hair dryer has a resistor R.
, -R,, Air temperature fine adjustment volume VR.

PTC? Micro heater μH for mm control
)33. Positive characteristic thermistor (PTC)32. Trigger capacitor (c,)47. I-Riga element (SBS) 4
8. ) A phase control circuit including a LIAC (T) 49 and the like is assembled. By switching the resistors R1 to R1 using the air temperature control switch 80 and making fine adjustments using the air temperature fine adjustment volume VR, the PTC
The power amount of the temperature control micro-heater (μH) 33 is switched. That is, the amount of heat of the PTC temperature control micro heater (μH) 33 is switched. A positive characteristic thermistor (PTC)
32 temperatures are controlled. Therefore, the resistance value of the positive characteristic thermistor (PCT) 32 is
The trigger start phase point of the triac (T) 49 is determined in accordance with this determined resistance value, and the amount of current applied to the heater wire (H) 42 is switched. That is, in this hair dryer, the control circuit is controlled by sliding the operator 80a of the air temperature control switch 80, and the air temperature is changed by controlling the control circuit.

Note that the resistance value of the positive temperature coefficient thermistor 32 is set on the side of the air outlet 112 of the heater block 35, so that it is also affected by the amount of heat generated by the heater wire.

The above describes the switching of the air temperature, but the switching of the air volume is performed as follows.

That is, the operator 81 of the air volume control switch 81
Slide a to set the resistance of the voltage dividing resistor block 50,
For example, by changing R1 to R6, motor (load) 2
This is done by changing the amount of current applied to 1.

As mentioned above, a control lamp for temperature control, for example a light emitting diode? The wind temperature was 7,78°79.
The landscape picture control switches 80 and 81 are arranged in series on one straight line. Therefore, as shown in FIG. 7, the air temperature control switch operator 80a, the air volume control switch operator 81a, and the temperature control control lamps 77, 78, and 79 are also arranged in a straight line. These are not simply arranged in a straight line, but the temperature control lamps 77 to 79 are located in front of the air temperature control switch operator 8Oa and the air volume control switch operator 81a, and
are placed in close proximity. As a result, the temperature control lamps 77 to 79 and the operators soa and 81
Not only can it provide an easy-to-grip body that fits in a narrow front-to-back space with a narrow width, but also lights up the temperature control lamps 77 to 79 when the operator 80a of the air temperature control switch 80 is slid. The spots are hidden by your fingers and you can't see them (that doesn't happen).

The lighting order of the temperature control lamps 77, 78, and 79 is determined by the operation button 80 of the air temperature control switch 80.
It corresponds to the slide operation procedure of a. In other words, Fig. 8 (al) shows the operating state and its lighting state when the wind temperature is High, Fig. 8 (b) shows the wind temperature M e d, and Fig. 8 (C) shows the operating state when the wind temperature is Low. Resistors R188, R289 for temperature switching (for adjusting micro heater wattage),
R:l 90 are arranged in series parallel to the sliding direction of the operator 80a of the air temperature control switch, and R+ is arranged toward the tip of the body 1. Control lamp for temperature control (D4 to D6) 7
7 to 79 are arranged so that D4 is on the R188 side. As a result, when the operator 80a of the air temperature control switch is operated so as to be the closest to you, as shown in the same figure (al), all of the temperature control lamps D4 to D are lit and set to High. As shown in the same figure (bl), when the operator 80a of the air temperature control switch is slid forward one step,
The two front temperature control lamps Da and D3 light up and go out to indicate that the vehicle is in M e d. As shown in FIG.
Two temperature control control lamps D2. D, goes out and only D4 lights up, indicating that it is in l, ow.

In this way, since the air temperature switching is visualized in such a way that the sliding sequence of the operator 80a of the air temperature control switch and the lighting order are interlocked, it is possible to provide a hair dryer that is easy to use.

Moreover, this hair dryer has 7 and 8 switch
As shown in FIG. 7, the operator 86a of No. 6 is also arranged in a straight line with the operator 80a of the air temperature control switch and the control lamp 77, 78, 79 for temperature control. It is arranged on the air outlet 112 side. Therefore, the width is narrower and the usability is also improved.

As shown in FIG. 9, an air volume control control lamp 77 is provided in front of the air volume control switch operator 81a and behind the air temperature control switch operator 80a.
' (DI), 7B' (DI), 79' (DI)
may be arranged. The electrical circuit is shown in Figure 1O. This control lamp D”r for air volume control
, Ds and DI are also control lamps D4 for temperature control.
．． Like Ds and Db, they are turned on in sequence in accordance with the sliding procedure of the air volume control switch operator 81a. By doing so, it is possible to provide a hair dryer that is more convenient to use and visualizes when changing the windshield.

As shown in FIG. 11, the second case body 3 has a panel setting port 91 opened therein.
The operation panel 93 is elastically fitted through the hook 92.

This operation panel 93 has an operation port 94 and a lamp pro 95 formed therein. The operation port 94 has operators 86a and 80a for a power on/off switch, an air temperature control switch, and an air volume control switch.

81a, and temperature control control lamps D4 to D6 face the lamp pro 95, respectively. The air temperature fine adjustment volume 36 is hidden by fitting the operation panel 93, as shown in FIG. As mentioned above, the positive characteristic thermistor (PTC) is provided on the side of the air outlet 112 from the heater block 35, but the positive characteristic thermistor (PTC) is When installing the thermistor, it is extremely difficult to set the PTC temperature to a target temperature due to variations in position.

For those without a volume for fine adjustment of air temperature, a temperature sensor 31 equipped with a positive temperature coefficient thermistor is installed and then tilted appropriately to adjust the temperature to the target temperature. In this way, tilting the temperature sensor 31 to adjust it to a position where the optimum temperature is achieved is not quantitative and relies largely on the operator's intuition. As a result, there were large variations in characteristics. What's more, the adjustment is done by checking the assembled finished product, and if there is any deviation, disassembling it, tilting the positive thermistor again, reassembling it, and checking again to bring the characteristics to the target value. Because they had brought their own equipment with them, there were many problems, such as the time it took to make adjustments. On the other hand, in the above example, the first wiring board 2
6, assemble everything from the temperature sensor 31 to the fan 24,
A temperature control control lamp D is provided on the second wiring board 76.
4 to D6 and power on/off switch 86. Air temperature control switch 80. Air volume control switch 81, and
The one with the air temperature fine adjustment volume 36 assembled is the second one.
After setting it in the case body 3, attach the first case body 2, and then attach the intake filter 20. Attach the power cord 15, etc. to make it into a finished product, perform a trial run in this state, check the characteristics of the temperature sensor 31, and adjust the air temperature fine adjustment volume 36 to check the variations in R0 to Rs, PTC, and The characteristics of the temperature sensor 31 are adjusted by absorbing variations in the air temperature distribution in the area where the PTC is attached, and then the operation panel 93 is attached to complete the assembly. With this configuration, the temperature sensor can be easily adjusted and a hair dryer with characteristics with less variation can be provided, and the operation panel 93 is assembled last and the air temperature fine adjustment volume 36 is assembled. Since this is hidden, there is no fear that the air temperature a adjustment volume 36 will be moved later due to external factors such as external force and the characteristics will change.

In FIG. 3, R is a resistance (for voltage drop) for the temperature control control lamp (light emitting element), D3 is a rectifier for the lamp, Dl, D2. R4 is a diode and resistor for removing hysteresis, and Rs is a protection resistor.

The hair dryer according to the present invention is not limited to the above embodiment.

〔Effect of the invention〕

As described above, the hair dryer according to the present invention includes: a control circuit that controls the amount of current applied to the load; a switch operator that adjusts the amount of current applied via the control circuit;
In the hair dryer equipped with a display means for displaying the energization level according to the adjustment by the operator, the operator and the display means are arranged in a straight line, and the display means is set higher than the operator. Since it is characterized by being disposed on the mouth side, the entire device is compact and the display means is easily visible when operating the operator.

[Brief explanation of drawings]

FIG. 1 is a vertical sectional view of an embodiment of a hair dryer according to the present invention, FIG. 2 is an exploded perspective view of the embodiment, and FIG. 3 is an electric circuit diagram of the embodiment. FIG. 4 is a detailed perspective view of the heater block of the embodiment, FIG. 5 is a detailed perspective view of the resistance block of the embodiment, and FIG. 6 is a front view of the control circuit component block of the embodiment. , FIG. 7 is a front view of the above embodiment as seen from the operator side of the air temperature control switch, and FIG. FIG. 9 is a front view of an embodiment in which control lamps for air volume control are combined, as seen from the operator side of the air temperature control switch, and FIG. FIG. 11 is an exploded perspective view showing the structure for fitting the operation panel into the body. 21... Motor (load), 42... Heater wire (load)? ? , 78.79... Control lamp for temperature control (light emitting element') 7? ', 78', 79'・
... Control lamp for air volume control (light emitting element) 8
0a...Air temperature control switch operator 81a
...Air volume control switch operator 86...
Power on/off switch 112...Air vent agent Patent attorney Takehiko Matsumoto @Figure 4Figure 5

Claims (3)

[Claims] (1) A control circuit that controls the amount of energization to the load, a switch operator that adjusts the amount of energization via the control circuit, and a display means that displays the energization level according to the adjustment by the operator. In the hair dryer, the operator and the display means are arranged in a straight line, and
A hair dryer characterized in that the display means is arranged closer to the air outlet than the operator. (2) The hair dryer according to claim 1, wherein the display means is a plurality of light emitting elements and the operating element is slidable, and the sliding sequence and the lighting order of the light emitting elements match. . (3) Claim 1 or 2, wherein a power on/off switch is provided on a straight line on which the display means and the operator are arranged, and the display means is arranged between the power on/off switch and the operator. Hair dryer as described in section.