JP2002045306A - Hand dryer apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid the miss operation of a detection means for a hand as object to be dried. SOLUTION: By integrally placing a signal permeation part 10 of a detection means 7 on a supporting board having a signal sending means or a signal receiving means 19, dropping or miss operation of the signal permeation part 10 can be avoided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a means for detecting a hand to be dried in a hand drying apparatus.

[0002]

2. Description of the Related Art FIGS. 19 to 21 show the structure of a conventional hand drying apparatus. FIG.
1 is a sectional view showing a conventional hand drying device. FIG.
0 is a perspective view of a main part of the detecting means, and FIG. 21 is a sectional view of the main part.

[0003] In the figure, a hand dryer 1 is provided with a blower 27.
The drying air is blown out from a nozzle 6 through a duct 5 as a high-speed airflow through a duct 5, and the drying chamber 3 into which a hand to be dried is inserted and a detecting means 7 for detecting the drying target. The detection means 7 for detecting a hand is a substrate on which a plurality of signal transmitting sections 10 desired through the drying chamber wall 15 and a plurality of signal transmitting sections 12 or signal receiving sections 14 are provided. 13, and a signal transmitting unit 12 or a signal receiving unit 14,
They are configured to face each other. Here, 2 is the back plate, 4
Are front plates, each constituting an outer shell. Solid arrows indicate the flow of drying air.

[0004]

However, in the above-mentioned conventional drying apparatus, since the signal transmitting section 10 and the support stand 11 are independent, the signal transmitting section 10 easily falls off due to an external force applied to the drying chamber 3 or the like. Alternatively, there has been a problem that the center of the signal transmitting unit 10 and the signal transmitting unit 12 or the signal receiving unit 14 mounted on the substrate 13 are easily shifted, which causes a malfunction.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention solves the above-mentioned problems by providing a means for ejecting drying air from a blower from a nozzle through an air chamber, a drying chamber for inserting a hand to be dried, and a hand. A signal transmitting means for detecting and a detecting means having a signal receiving means are provided, and the signal receiving means is arranged on a support base integrally provided with a signal transmitting section, and the signal transmitting section of each of the support stands is provided with the signal transmitting section. It was the one that was facing the drying room. As a result, it is possible to prevent the signal transmitting portion from falling off or malfunctioning.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A hand drying apparatus according to a first aspect of the present invention is a means for ejecting drying air from a blower from a nozzle through an air chamber, a drying chamber into which a hand to be dried is inserted, and a hand. A signal transmitting means for detecting a signal transmitting means and a detecting means having a signal receiving means, and the signal receiving means is arranged on a support base integrally provided with a signal transmitting part, and the signal transmitting part of each of the support bases is provided. Since it faces the drying chamber, it is possible to prevent the signal transmitting portion from falling off or malfunctioning.

According to a second aspect of the present invention, there is provided a hand drying apparatus in which a substrate on which a signal transmitting means or a signal receiving means is mounted is disposed on each support base, and the substrate is supported by support claws protruding from the support base. It is fixed to the table and the length from the substrate to the tip of the support claw is equal to or greater than the height of the electrical components mounted on the substrate, and the upper part of the substrate is covered with some of the components of the drying device. Contact with other components can be prevented.

A hand drying apparatus according to a third aspect of the present invention is such that a cover is provided on a part of a support, and a signal line is arranged below the cover, and the hand dryer is fixed to the support, and an electrical component is provided. Can be prevented from damaging the signal line from the substrate on which the is disposed.

According to a fourth aspect of the present invention, there is provided a hand dryer in which a support portion of a signal line is provided on a support base, and a signal line from a substrate fixed to the support base and provided with electrical components. Damage can be prevented.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a perspective view showing the appearance of a hand drying apparatus according to the present invention, FIG. 2 is a sectional view taken along the line A--A in FIG. 1, and FIG. FIG. 4 is a sectional view taken along line BB of FIG. 3, FIG. 5 is a sectional view taken along line CC of FIG. 2, FIG. 6 is a plan view of a support stand provided with signal receiving means, and FIG. 6 is a sectional view taken along line DD of FIG. 6, and FIG. 8 is a sectional view taken along line EE of FIG.

As shown in the figure, a hand drying device 1 of the present invention
The back plate 2, the drying chamber 3 into which the hand to be dried is inserted, and the drying chamber 3 form an outer shell with the front plate 4 which is detachably disposed. In the outer shell, a means for blowing out drying air from a blower (not shown) from a nozzle 6 into the drying chamber 3 through an air chamber 5 and a detecting means 7 for detecting a drying target are incorporated.

On the other hand, the detecting means 7 comprises a signal transmitting means 8 and a signal receiving means 9, and the signal transmitting means 8 emits, for example, an infrared signal to a support base 11 integrally provided with a plurality of signal transmitting portions 10. The signal receiving unit 9 supports a substrate 13 on which a plurality of signal transmitting units 12 are disposed, and the plurality of signal transmitting units 1
For example, a substrate 13 on which a plurality of signal receiving units 14 for receiving infrared signals are disposed is supported on a support base 11 integrally provided with zeros. The two signal transmitting portions 10 pass through the drying chamber wall 15 to reach the drying chamber 3 and the drying chamber 3
The signal from the signal transmitting means 8 passes through the signal transmitting section 10 and then reaches the signal receiving means 9 via the signal transmitting section 10 disposed opposite thereto.

Further, as desired in the drying chamber 3, the signal transmitting part 10, which forms a part of the support base 11, and the penetrating part of the drying chamber 3,
The O-ring 16 has a waterproof structure.

Here, 17 is a signal line 18 from the substrate 13.
19 is a connector for taking out the substrate 13
It is a fixed claw to be fixed to. Solid arrows indicate the flow of drying air. The drying chamber 3 and the front plate 4 are detachable as a configuration in which a hook 21 provided on the front plate 4 is hooked to a hook 20 provided in the drying chamber 3.

Next, the operation and operation will be described. A signal is always transmitted from the signal transmitting means 8 to the signal receiving means 9 via the signal transmitting portion 10 of the support 11. And
When the hand to be dried is inserted into the drying chamber 3, the signal to the signal receiving means 9 is cut off to detect the drying target,
Activate the blower (not shown).

The air flow from the blower is ejected from the nozzle 6 through the air chamber 5 into the drying chamber 2 in a high-speed air flow, and collides with the hand to be dried to perform drying.

Here, as shown in the figure, since the signal transmitting portion 10 is integrally formed to form a part of the support base 11, an external force is applied from inside the drying chamber 3 during use. In this case, the fixing force of the support base 11 is large, and it is possible to prevent the signal transmission unit 10 from falling off from the drying chamber 3. Since the penetrating portion with the drying chamber wall 15 has a waterproof structure with the O-ring 16, it is possible to prevent water from entering the inside, even during cleaning.

(Embodiment 2) FIG. 9 is a sectional view of a main part of a hand drying apparatus according to Embodiment 2 of the present invention, and FIG. 10 is a sectional view of a support base of the present invention.

The second embodiment is different from the first embodiment in that a fixing claw 19 in which a substrate 13 on which a plurality of electrical components 22 such as a plurality of signal receiving members 14 are disposed protrudes from a support base 11 is provided.
The electrical component 2 having the length H from the substrate 13 to the tip of the fixing claw 18 mounted on the substrate 13
2 and a height h or more, and the upper part of the substrate 13 is covered with a part of the air chamber 5 which constitutes a part of the flow path of the dry air. The support base 11 is fixed to a boss 23 projecting from the drying chamber wall 15 with a screw 22. Note that components having the same reference numerals as those in the first embodiment indicate the same structure, and description thereof will be omitted.

Next, the operation and operation will be described. A signal is always transmitted from the signal transmitting means 8 to the signal receiving means 9 via the signal transmitting portion 10 of the support base 11. And
When the hand to be dried is inserted into the drying chamber 3, the signal to the signal receiving means 9 is cut off to detect the drying target,
Activate the blower (not shown). The air flow from the blower is blown out from the nozzle 6 through the air chamber 3 into the drying chamber 3 in a high-speed air flow, and collides with the hand to be dried to perform drying.

Here, the substrate 13 is fixed to the fixing claws 19 protruding from the support base 11, and the height H from the substrate 13 to the tip of the fixing claws 19 and the height h of the electric component 22 mounted on the substrate 13 are determined. , H> h, and the upper part of the substrate 13 is covered by a part of the air chamber 3 which constitutes a part of the flow path of the dry air. Contact can be prevented.

(Embodiment 3) FIG. 11 is a perspective view of a main part of Embodiment 3 of the present invention, FIG. 12 is a sectional view taken along line FF of FIG. 1, FIG. 13 is a plan view of a support, and FIG. FIG. 7 is a sectional view taken along line GG of FIG.

The third embodiment is different from the first and second embodiments in that a cover 25 is provided on a part of the support base 11 and the signal line 18 is arranged below the cover 252. .

The components having the same reference numerals as those in the first and second embodiments have the same structure, and the description is omitted.

Next, the operation and operation will be described. A signal is always transmitted from the signal transmitting means 9 to the signal receiving means 10 via the signal transmitting portion 10 of the support base 11. Then, when the hand to be dried is inserted into the drying chamber 3, the signal to the signal receiving means 9 is cut off to detect the drying target and to activate a blower (not shown). Then, the airflow from the blower is blown out from the nozzle 6 into the drying chamber 3 through the air chamber 5 in a high-speed airflow state, and collides with the hand to be dried, thereby performing drying.

On the other hand, since the drying chamber 3 and the front plate 4 are detachably attached to the hooks 20 provided on the front plate with the hooks 20 provided in the drying chamber 3, the hooks 21 are hooked. The front plate 4 is detached from the drying chamber 3 by being shifted from the stop claws 20.

Here, the signal line 18 from the substrate 13 fixed to the support 11 is connected to the cover 2 provided on the support 11.
Since the inside of 5 is wired and the cover portion 25 prevents disturbance of the signal line, it is possible to prevent contact between the hook 21 and the signal line 18 when the front plate 4 is attached or detached.

(Embodiment 4) FIG. 15 is a sectional view of a main part of Embodiment 4 of the present invention, FIG. 16 is a plan view showing the structure of a support table, and FIG.
7 is a sectional view taken along line HH of FIG. 16, and FIG. 18 is a sectional view taken along line II of FIG.
It is a line sectional view.

The fourth embodiment is different from the first and second embodiments in that the signal line 18 is held by the hook 26. The components having the same reference numerals as those in the first and second embodiments have the same structure, and the description will be omitted.

Next, the operation and operation will be described. A signal is always transmitted from the signal transmitting means 8 to the signal receiving means 9 via the signal transmitting portion 10 of the support base 11. And
When the hand to be dried is inserted into the drying chamber 3, the signal to the signal receiving means 9 is cut off to detect the drying target,
Activate the blower (not shown). Then, the airflow from the blower is blown out from the nozzle 6 into the drying chamber 3 through the air chamber 5 in a high-speed airflow state, and collides with the hand to be dried, thereby performing drying.

On the other hand, since the drying chamber 3 and the front plate 4 can be detachably attached to each other by hooking the hook 21 provided on the front plate 4 to the hook 20 provided in the drying chamber 3, the hook 21 can be detached. The front plate 4 is detached from the drying chamber 3 by being displaced from the hook 20.

Here, the signal line 18 from the substrate 13 fixed to the support 11 is connected to the hook 2 provided on the support 11.
Hold at 6.

[0034]

As described above, according to the hand drying apparatus of the first aspect of the present invention, there is an effect that it is possible to avoid a malfunction due to a drop of the signal transmitting portion.

According to the hand drying device of the second aspect of the present invention, it is possible to prevent the contact between the substrate and other components.

According to the hand drying apparatus of the third aspect of the present invention, the cover is provided on a part of the support, and the signal line is arranged below the cover. That is, it is possible to prevent signal lines from being damaged from the substrate.

According to the hand drying device of the fourth aspect of the present invention, the supporting portion of the signal line is provided on the support, and the signal line is held on the supporting portion. Can be prevented from being damaged.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a first embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along line AA of FIG.

FIG. 3 is a plan view of the signal transmitting means.

FIG. 4 is a sectional view taken along line BB in FIG. 3;

FIG. 5 is a sectional view taken along line CC of FIG. 3;

FIG. 6 is a plan view showing the signal receiving means.

FIG. 7 is a sectional view taken along line DD of FIG. 6;

FIG. 8 is a sectional view taken along line EE in FIG. 6;

FIG. 9 is a sectional view of a main part of a hand drying device according to a second embodiment of the present invention.

FIG. 10 is a sectional view of the support base.

FIG. 11 is a perspective view of a main part of a hand drying device according to a third embodiment of the present invention.

FIG. 12 is a sectional view taken along line FF in FIG. 11;

FIG. 13 is a plan view of the support base.

14 is a sectional view taken along line GG of FIG.

FIG. 15 is a sectional view of a main part of a hand drying device according to a fourth embodiment of the present invention.

FIG. 16 is a plan view showing the configuration of the support base.

FIG. 17 is a sectional view taken along line HH in FIG. 16;

18 is a cross-sectional view taken along line II of FIG.

FIG. 19 is a sectional view showing a conventional hand dryer.

FIG. 20 is a perspective view of the main part.

FIG. 21 is a sectional view of the main part.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Hand drying device 3 Drying chamber 6 Nozzle 7 Detecting means 8 Signal transmitting means 9 Signal receiving means 10 Signal transmitting section 11 Support base 12 Signal generating section 13 Substrate 14 Signal receiving section 15 Drying chamber wall 18 Signal line 19 Fixing claw 20 Locking Claws 21 Hooks 22 Electrical parts 25 Covering parts 26 Hanging parts

Claims (4)

[Claims] 1. A means for ejecting drying air from a blower from a nozzle through an air chamber, a drying chamber for inserting a hand to be dried, a signal transmitting means for detecting a hand, and a detecting means having a signal receiving means. A hand drying device, wherein a signal receiving means is provided on a support base integrally provided with a signal transmission unit, and the signal transmission unit of each of the support allowances faces the drying chamber. 2. A board on which a signal transmitting means or a signal receiving means is mounted is provided on each support base, and the board is fixed to the support base with a support claw protruding from the support base, and the support claw is removed from the substrate. 2. The hand dryer according to claim 1, wherein the length to the tip is equal to or greater than the height of the electrical component mounted on the substrate, and the upper part of the substrate is covered by a part of the air chamber. 3. The hand dryer according to claim 1, wherein a cover is provided on a part of the support base, and a signal line is arranged below the cover. 4. The hand drying device according to claim 1, wherein a support portion for the signal line is provided on the support base, and the signal line is held on the support portion.