CN103082930B - Drying apparatus for hands - Google Patents

Abstract

The hand drying device (100) is equipped with a water receiving part (1) that is formed with a water receiving part that recovers the water droplets blown off from the hand insertion part (3) of the pluggable hand and the hand, and is equipped with storage for the water recovered by the water receiving part. Water drain container (9). Then, the drainage container (9) is freely installed on the main body box (1), and a first key mechanism (15) is provided to restrict the removal of the drainage container (9). In addition, it also has an operation part for switching the operating state of the device. The operation part is set to be covered by an openable and closable operation part cover (18), and a third device for restricting the opening and closing of the operation part cover (18) is provided. key mechanism (19).

Description

hand dryer

This application is a divisional application of an invention patent application named "Hand Drying Device", with an international filing date of April 23, 2008, an international application number of PCT/JP2008/057850, and a national application number of 200880128731.7.

technical field

The present invention relates to a hand drying device for hygienically drying wet water after washing, and more particularly to a hand drying device having a drain container, an air filter, or an openable and closable operation part, etc., which are detachably provided on a main body device.

Background technique

As a device for drying wet hands after washing, there is a hand drying device that blows off water droplets adhering to the hands with a high-speed air flow and dries them. In this device, a hand insertion portion serving as a processing space is provided in a concave shape on a main body housing forming a housing, and an air nozzle is arranged in the hand insertion portion. The air duct connected to the blower (high-pressure air flow generating device) is connected to the air nozzle, and the high-speed air flow is sprayed into the hand insertion part. The water blown into the hand insertion part along with the drying process of the hand drips and is received from the water receiving part provided at the bottom of the hand insertion part to the drain container provided below the hand insertion part. As such conventional techniques, there are techniques disclosed in Patent Documents 1 and 2. As shown in FIG.

Patent Document 1: Japanese Patent Application Laid-Open No. 11-244192

Patent Document 2: Japanese Patent Laid-Open No. 2001-327433

In a hand dryer that dries hands with a high-speed air flow, an air filter that removes dust from the sucked air is required to protect the blower. In addition, a drainage container for storing water is also required so that the water blown off during the hand drying process does not drip down to the ground. In the case of Patent Document 1, in order to solve the problem of forgetting to put the drain container and the air filter during cleaning, the drain container and the air filter are connected. Therefore, it cannot be operated without an air filter installed. In the case of such a structure, if the drain container or air filter is lost due to mischief or theft, there are problems such as water dripping to the ground, dust and foreign matter being sucked in, and operation stopped for a long time.

In addition, the hand dryer is equipped with a power switch for cleaning the main body and when it is not used for a long time. In the case of Patent Document 2, it is configured to prevent water from directly splashing on the power switch, and to avoid misoperation by the user, and to arrange it at the bottom or back of the outer contour of the product. In this case, although the location cannot be easily identified, it is not reliable, so there is a possibility of mischievous manipulation. In addition, although an air volume regulator is provided so that the administrator can adjust the output of the blower in an environment requiring quietness, the output may be increased due to a user's arbitrary operation, which may cause a problem of noise.

The present invention is made to solve the above-mentioned conventional problems, and its subject is to obtain a hand drying device capable of preventing theft and mischievous operation. A hand dryer that can be detached and operated when the correct key release operation is performed.

Contents of the invention

In order to solve the above-mentioned problems and achieve the purpose, the hand drying device of the present invention has a main body box, a high-pressure air flow generator, a nozzle, and an operation part, and the main body box is formed with a hand insertion part that can insert and pull out a hand and a hand that can be recovered from the hand. The water receiving part of the blown water droplets; the high-pressure air flow generating device is accommodated in the above-mentioned main body box and generates high-pressure air flow; the nozzle sprays the high-pressure air flow generated by the high-pressure air flow generating device to the above-mentioned hand insertion part; The operation state of the device is switched by the operation part, and the hand drying device is characterized in that the operation part is set to be covered by an operation part cover that can be opened and closed, and a device is provided to limit the opening and closing of the operation part cover. key mechanism.

Invention effect

By adopting the above-mentioned means, the drainage container and the air filter can be removed only when the manager or the cleaner intends, and theft and mischief can be prevented. In addition, when the user wants to use it, there is no case that the power supply is not connected, and the operation is not performed in the state set by the administrator, so it is an easy-to-use hand dryer.

Description of drawings

Fig. 1 is a longitudinal sectional view of Embodiment 1 of a hand dryer according to the present invention.

Fig. 2 is a perspective view of the hand dryer according to Embodiment 1.

FIG. 3 is a right side cross-sectional view showing the periphery of the drain container 9 disposed at the lower portion of the main body casing 1 .

Fig. 4 is an enlarged view of the drain container and the air filter housing of Fig. 2 .

FIG. 5 is an enlarged view showing the periphery of the operation unit cover shown in FIG. 2 .

FIG. 6 is a cross-sectional view showing the appearance of the operation unit.

Fig. 7 is an enlarged view of an air filter housing part according to Embodiment 2 of the hand dryer of the present invention.

Fig. 8 is an enlarged view showing the periphery of an operation unit cover according to Embodiment 3 of the hand dryer of the present invention.

Fig. 9 is a schematic diagram showing a state in which communication between a light receiving unit and a remote controller according to Embodiment 4 of the hand dryer of the present invention is performed.

Fig. 10 is an enlarged view of an air filter housing section according to Embodiment 5 of the hand dryer of the present invention.

Symbol Description

1: Main body; 2: Blower (high-pressure air flow generating device); 3: Hand insertion part; 4: Base; 5: Front panel; 6: Water receiving part; 7: Drain outlet; 8: Drain pipe; 9: Drainage container; 10: cover of the drainage container; 11: suction channel; 12: air access port; 13: air filter; 14: heater; 15, 15B: drainage container key mechanism (first key mechanism); 16: Heater box; 17: Drain container protrusion (engagement part); 18: Operation part cover; 19, 19B: Operation part key mechanism (third key mechanism); 20: Special key; 21: Storage part cover; 22, 22B: Air filter storage part key mechanism (second key mechanism); 23: Back panel; 24: Air volume regulator; 25: Power switch; 26: Heater switch; 27: Password confirmation screen; 28: Password input Button; 29: remote controller; 30: light-receiving part (light-receiving part) of the remote controller.

detailed description

First, the outline|summary of the hand dryer of this invention is demonstrated, Next, a concrete embodiment is demonstrated.

In the hand drying device of the present invention, a high-pressure air flow generating device for generating high-speed air flow is incorporated in a main body housing having a hand insertion portion constituted as a concave space. The air intake port for taking air to the high-pressure air flow generator is opened at the lowermost part of the main body housing as the end of the air intake passage formed inside the main body housing. An air filter for removing dust is attached to the air intake port, and air passing through the filter is heated by a heater arranged on the air intake passage. Below the hand insertion part of the main body case, there is a drain container that can be inserted and detached in the front and rear directions. The high-pressure air flow generated by the high-pressure air flow generating device is guided to the air nozzle provided on the upper portion of the hand insertion portion. From the air nozzle, the high-speed air flow is sprayed into the hand insertion part, and the moisture attached to the hands entering the hand insertion part is blown away, and it is stored in the drain container from the drain port provided on the water receiving part at the bottom of the hand insertion part.

Then, in the hand drying device of the present invention, a manager and a cleaner use a dedicated key to detach the drain container through the key mechanism provided on the drain container. According to this, it cannot be detached except for a specified person who has the key, and mischievous operation and theft by the user can be prevented.

Moreover, in the hand dryer of this invention, it is set as the structure which provided the engaging part which restricts detachment of an air filter to a drain container. With this structure, the key mechanism provided on the drain container can be removed, and the air filter can be taken out only when the drain container is removed. That is, the key mechanism of the drain container also serves as the key mechanism of the air filter.

In the hand dryer, an operation unit covered with an openable and closable cover is provided in a part of a main body box forming a casing. In this operation part, there are on/off switch of power supply, heater switch, and air volume regulator for adjusting high-pressure air flow. In the hand dryer of the present invention, the key mechanism is provided on the openable and closable cover of the operation part. According to this structure, since the operator and the cleaner cannot open and close the cover of the operation part, there is no need to worry about the power switch and the regulator of the high-pressure air flow arranged on the operation part being mischievously operated by the user.

Moreover, in the hand dryer of this invention, it is set as the structure which can release with the same key with respect to a some key mechanism. In addition, it is configured so that it can be released by the same release method with respect to a plurality of key mechanisms. According to this structure, the man-hours at the time of maintenance of a cleaner are reduced, and the structure is simplified, and it can be set as an inexpensive hand dryer. In addition, the same cancellation method is, for example, password input from the same input unit, or signal input from the same remote controller to the same light receiving unit.

In addition, in the hand drying device of the present invention, if the key mechanism is not correctly released, the operation of taking out the drain container or the air filter, and the opening and closing operation of the operation part cover are performed, the buzzer of the warning sound will sound. structure. According to this structure, a user or an unspecified person cannot carry out a theft or a mischievous operation, and even if the theft or a mischievous operation is performed, the abnormality can be notified to the surroundings, so that the safety of the product can be improved.

Next, embodiments of the hand dryer according to the present invention will be described in detail with reference to the drawings. In addition, according to this embodiment, this invention is not limited.

Implementation mode 1.

Fig. 1 is a longitudinal sectional view of Embodiment 1 of a hand dryer according to the present invention. Fig. 2 is a perspective view of the hand dryer of the present embodiment. The hand dryer 100 of this embodiment has the main body case 1 which forms the outer casing of an apparatus. The main body case 1 is composed of a base 4 constituting a rear case and a front panel 5 constituting a front case. On the upper portion of the main body housing 1, a hand insertion portion 3 into which a hand can be inserted and removed is formed as a concave space. At the bottom of the hand insertion portion 3 is formed a water receiving portion 6 for collecting water droplets blown off the hand.

A blower (high-pressure air flow generating device) 2 for generating high-speed air flow is incorporated in the main body casing 1 . Also, an air intake port 12 for taking air into the blower 2 is opened at the lowermost part of the main body housing 1 as an end portion of an air intake passage 11 formed inside the main body housing 1 . An air filter 13 for removing dust is attached to the air intake port 12 , and air passing through the air filter 13 is heated by a heater 14 arranged on the air intake passage 11 . On the other hand, below the hand insertion portion 3 of the main body case 1, a drain container 9 that can be inserted and detached in the front-back direction is provided in a drawer shape. The high-pressure air flow generated by the blower 2 is guided to an air nozzle 3 a provided on the upper portion of the hand insertion portion 3 . From this air nozzle 3a, the high-speed air flow is sprayed in the hand insertion part 3, and the moisture attached to the hands entering the hand insertion part 3 is blown away, and the water outlet 7 on the water receiving part 6 at the bottom of the hand insertion part 3 is discharged from the air nozzle 3a. It is stored in the drain container 9 through the drain pipe 8 .

The hand insertion part 3 is formed on the front upper part of the main body case 1 as an open sink-shaped concave space with both sides open and the hands can be inserted and removed. Recycling is a structure that guides the recovered water to the drain port 7 at the inclined lower end.

The drain pipe 8 is connected with the drain port 7 . The water carried by the drain pipe 8 is retained in a drain container 9 of an open container configuration. A detachable cover 10 is arranged on the drain container 9 . In addition, the drain container 9 and its cover 10 are made of chemical-resistant PP, ABS, or ASA resin, and can be cleaned and cleaned using neutral detergent, alcohol, or the like. In addition, the surface of the hand insertion part 3 is impregnated with a water-repellent coating such as silicon or fluorine, or a hydrophilic coating such as titanium oxide, or an antibacterial agent, so as to reduce the adhesion of dirt to the surface and reduce the number of bacteria. reproduction.

The blower 2 is composed of a DC brushless motor (or a rectifier motor or an induction motor), a drive circuit for driving it, and a turbo fan rotated by the DC brushless motor. In this embodiment, it is installed in the hand insertion part 3 directly below. A heater box 16 is provided on the suction passage 11 farther from the air intake port 12 . A heat storage type heater 14 is incorporated in the heater box 16 .

In FIG. 2 , an unillustrated operation unit for switching the operating state of the device is provided on the upper left side of the main body case 1 , and the operation unit is covered by an openable and closable operation unit cover 18 . A power switch, a heater switch, and an air volume regulator are provided on the operation section.

FIG. 3 is a right side cross-sectional view showing the periphery of the drain container 9 disposed at the lower portion of the main body casing 1 . The drainage container 9 has a structure that can be removed and inserted in the front and rear directions as shown by the arrow A described in FIG. 3 . At the lower center of the drain container 9, a drain container key mechanism (first key mechanism) 15 that restricts removal of the drain container 9 is provided. A predetermined groove or protrusion is provided in the key insertion portion of the drainage container key mechanism 15 provided in the drainage container 9, and the drainage container key mechanism 15 can be rotated by inserting a special key 20 manufactured to conform to the shape of the key insertion portion. (Release). On the other hand, the heater box 16 has a portion that engages with the drain container key mechanism 15, and when both are overlapped, the drain container 9 cannot be pulled out. According to this structure, only a cleaner or a manager who has a dedicated key can insert and remove drain container 9, and theft and mischief can be prevented.

Fig. 4 is an enlarged view of the drain container and the air filter housing of Fig. 2 . The air filter housing is provided at the opening of the air intake port 12 and has a housing lid 21 that can be opened and closed. The storage part cover 21 is made to be connected with the heater box 16 through the hinge 21a provided at one end, and rotates with the hinge 21a as a fulcrum, and is opened on the near side as shown by the arrow B, and the air filter located inside can be opened. 13 Take out the construct. A drain container protrusion 17 extending from the drain container 9 hangs from the open-side end portion of the storage portion cover 21 . The drainage container protrusion 17 is made by bending a rectangular metal plate into an L-shaped cross-section, and is fixed to the drainage container 9 with screws not shown, etc., to restrict the opening of the storage portion cover 21 . When the drain container 9 is pulled out as indicated by the arrow C, the drain container protrusion 17 is detached from the housing portion cover 21 . Thereby, since the storage part cover 21 can be opened, the air filter 13 can be taken out. Since the drain container 9 cannot be taken out without the special key 20 by the drain container key mechanism 15, the air filter 13 cannot be taken out either. That is, the drain container key mechanism 15 also functions as a key mechanism that restricts removal of the air filter 13 . According to this structure, since there is no need to separately provide a key mechanism for preventing theft and mischief of the air filter 13, the structure can be simplified at low cost. In addition, the drainage container protrusion 17 may be formed integrally with the drainage container 9 .

FIG. 5 is an enlarged view showing the periphery of the operation unit cover shown in FIG. 2 . FIG. 6 is a cross-sectional view showing the state of the operation unit. The operating part cover 18 is made to be connected with the main body box 1 through a hinge structure not shown in the figure provided at one end, and rotates with the hinge structure as a fulcrum, as shown by arrow D in FIG. 5 , opens at the near side, The power switch 25 , the heater switch 26 , and the air volume regulator 24 provided on the inside operation portion 18B can be operated. An operation unit key mechanism (third key mechanism) 19 that restricts opening and closing of the operation unit cover 18 is provided on the operation unit cover 18 . The shape of the key insertion portion of the operation portion key mechanism 19 has a specific groove or protrusion. Then, the operation part key mechanism 19 can be rotated (released) by inserting the dedicated key 20 manufactured to conform to the shape of the insertion part. When the operation part key mechanism 19 is rotated, the front end overlaps with a part of the back panel 23, and the operation part cover 18 cannot be opened. According to this structure, the power switch 25, the heater switch 26, and the air volume regulator 24 arranged on the operation part 18B are not mischievously operated by the user, and only a specialized person with the dedicated key 20 can operate, so management is easy.

In addition, the above-mentioned drain container key mechanism (first key mechanism) 15 and the operation part key mechanism (third key mechanism) may have the same insertion portion shape, and may be configured to be released by a single dedicated key. With such a structure, management becomes easier and workability improves.

Implementation mode 2.

Fig. 7 is an enlarged view of an air filter housing part according to Embodiment 2 of the hand dryer of the present invention. The same symbols as in Embodiment 1 are used for the same parts as in Embodiment 1, and their descriptions are omitted.

The air filter housing is provided at the opening of the air intake port 12 and has a housing lid 21 that can be opened and closed. The housing part cover 21 is connected to the heater box 16 through a hinge 21a provided at one end, and is pivoted on the hinge 21a to open on the near side, so that the air filter 13 stored inside can be taken out. . An air filter storage unit key mechanism (second key mechanism) 22 is provided at an open-side end portion of the storage unit cover 21 . The key insertion part of the air filter storage part key mechanism 22 is provided with a specific groove or protrusion, and the air filter storage part key mechanism 22 can be rotated (released) by inserting the special key 20 made in conformity with the key insertion part. ). In addition, the air filter storage part key mechanism 22 is partially engaged with the heater box 16, and when the two are overlapped, the storage part cover 21 is not opened and the air filter 13 cannot be taken out. By rotating the air filter storage part key mechanism 22 using the exclusive key 20, the storage part cover 21 can be opened, and the air filter 13 inside can be taken out. According to this structure, only a cleaner or an administrator who has a dedicated key can take out the air filter 13, and theft and mischief can be prevented. The other structures are the same as those in Embodiment 1.

In addition, the air filter housing part key mechanism (second key mechanism) 22 of this embodiment may be combined with the drain container key mechanism (first key mechanism) 15 and the operation part key mechanism (third key mechanism) of Embodiment 1. The insertion part shape of 19 is identical, makes the structure that can release with a special key. With such a structure, management becomes easier and workability improves. This effect can be obtained as long as a dedicated key is used to perform the locking operation of at least two key mechanisms.

Implementation mode 3.

Fig. 8 is an enlarged view showing the periphery of an operation unit cover according to Embodiment 3 of the hand dryer of the present invention. The same symbols as in Embodiment 1 are used for the same parts as in Embodiment 1, and their descriptions are omitted.

The operation part cover 18 is connected to the main body case 1 by a hinge structure (not shown) provided at one end, pivots on the hinge structure, opens on the near side, and can operate the operation part 18B provided on the inside. The structure of the power switch 25, the heater switch 26 and the air volume regulator 24. An operation part key mechanism (third key mechanism) 19B that restricts opening and closing of the operation part cover 18 is provided. In addition, a password confirmation screen (password input unit) 27 for unlocking the operation unit key mechanism 19B is provided on the upper portion of the main body housing 1 . In addition, adjacent to this password confirmation screen 27, a password input button 28 is provided, and the administrator can set an arbitrary number. When cleaning, etc., the initial set number is input into the password confirmation screen 27, and accordingly, the microcomputer installed in the product recognizes the input number, and if the numbers match, a release signal is output, and the operation part key mechanism 19B is released. According to this structure, the power switch 25, the heater switch 26, and the air volume regulator 24 arranged in the operation part will not be mischievously operated by the user, and only the manager and the cleaner who have set the password can operate, so management is easy. The other structures are the same as those in Embodiment 1.

In addition, not limited to the operation part key mechanism (third key mechanism) 19B of this embodiment, the drain container key mechanism (first key mechanism) 15 of Embodiment 1, the air filter housing part key mechanism of Embodiment 2 (third key mechanism) The two-key mechanism) 22 can also be unlocked by inputting a password from the same password confirmation screen 27 provided on the main body casing 1 . In this case, for example, a password starting with "1" can be distinguished as unlocking of the operation part key mechanism 19, a password starting with "2" can be distinguished as unlocking of the drain container key mechanism 15, and the like. According to this configuration, a plurality of key mechanisms can be unlocked without using a dedicated key, which makes management easy and simplification of the device can be achieved.

Implementation mode 4.

Fig. 9 is a schematic diagram showing a state in which communication between a light receiving unit and a remote controller according to Embodiment 4 of the hand dryer of the present invention is performed. The same symbols as in Embodiment 1 are used for the same parts as in Embodiment 1, and their descriptions are omitted.

As described above, there is a risk of theft in the drain container and the air filter, and there is a risk of mischievous manipulation of the power switch 25 and the air volume regulator 24. Therefore, key mechanisms for preventing theft and mischief are respectively provided. In this embodiment, the upper part of the main body box 1 is equipped with a remote control light receiving unit 30 that receives the transmission content of the remote control, and then the dedicated remote control 29 transmits the locking and unlocking signals of the key mechanism, and is mounted on the inside of the main body. The microcomputer recognizes the transmission content from the light-receiving unit 30 of the remote controller that has received the transmission content, and automatically locks or unlocks the key mechanism.

The operation of locking and unlocking due to the signal input from the remote controller 29 to the remote controller light receiving unit 30 is described as the drainage container key mechanism (first key mechanism) 15 and the operation part key mechanism (third key mechanism) of Embodiment 1. ) 19 and the locking and unlocking operations of the air filter storage unit key mechanism (second key mechanism) 22 of the embodiment are applied. According to this structure, people who perform work, such as a cleaner and a manager, can easily prevent theft and a mischievous operation. In addition, operations of locking and unlocking by the above-mentioned plurality of key mechanisms are performed by inputting signals from the same remote controller 29 to the same remote controller light receiving unit 30, so that the device can be simplified. In addition, this effect can be obtained as long as the locking and unlocking operations of at least two key mechanisms are performed by inputting signals from the same remote controller 29 to the same remote controller light receiving unit 30 . In addition, in this case, by providing the locking and unlocking structures by the private key 20 in combination, usability can be further improved.

Implementation mode 5.

Fig. 10 is an enlarged view of an air filter housing section according to Embodiment 5 of the hand dryer of the present invention. The same symbols as in Embodiment 1 are used for the same parts as in Embodiment 1, and their descriptions are omitted. In this embodiment, an alarm that sounds a warning sound is provided when the drain container 9 is removed or the storage portion cover 21 is opened without the correct release operation of the key mechanism.

As described above, there is a possibility of theft of the detachable drain container 9 and the air filter 13 . Therefore, a buzzer (alarm) that generates a warning sound is provided inside the main body casing 1. If the key mechanism is not correctly released, the drain container 9 and the air filter 13 are removed, and the buzzer sounds. The sound can remind you to pay attention when performing prank operations. In addition, when cleaning, the special key 20 is inserted into the warning sound release button (by the drainage container key mechanism (first key mechanism) 15B and the air filter storage part key mechanism) that is arranged on the drainage container 9 and the air filter storage part. (the second key mechanism) 22B is also used), that is, by performing the correct release operation of the key mechanism and inputting the release signal, the microcomputer inside the main body box 1 recognizes the release signal, stops the buzzer function, and can be disassembled without a warning sound. Down. According to this structure, it is possible to warn the user who is performing a mischievous operation such as theft, and to notify the surroundings of an abnormality, so management is easy.

In addition, in this embodiment, it is not limited to the removal of the drain container and the opening of the storage part cover, and the warning sound may be sounded when the operation part cover is opened without the correct release operation of the key mechanism. ring.

Possibility of industrial use

The present invention is suitable for use in a hand drying device for hygienically drying the wet water after washing, and is especially suitable for use in a drain container or an air filter or an openable and closable Hand dryers for operating parts, etc.

Claims (6)

1. A hand drying device, said hand drying device has a main body box, a high-pressure air flow generating device, a nozzle, an operating part, The main body box is formed with a hand insertion part capable of inserting and pulling out a hand and a water receiving part for recovering water droplets blown off from the hand; The high-pressure air flow generating device is accommodated in the above-mentioned main body box and generates high-pressure air flow; The nozzle ejects the high-pressure air flow generated by the high-pressure air flow generating device from two sides facing the hand insertion part; The operation part is provided in a recess formed in a part of the side part of the main body case, and switches the operating state of the device, The hand dryer is characterized in that, The operation part is provided to be covered by an openable and closable operation part cover, and the operation part cover is provided on a part of the side part of the main body case, The hand dryer is provided with a key mechanism that restricts the opening and closing of the operation portion cover, The hand insertion part is opened on the upper part and both side surfaces of the main body case, and constitutes a concave space in which a hand can be inserted and removed. 2. The hand dryer according to claim 1, wherein: An insertion portion having a groove or a protrusion capable of rotating the key mechanism is provided on the key mechanism. 3. The hand dryer according to claim 2, wherein: The key mechanism can be rotated by inserting a key matching the shape of the insertion portion into the insertion portion. 4. The hand dryer according to claim 3, wherein: The key mechanism is provided on the operation part cover, and when the key inserted into the insertion part of the key mechanism is rotated, the front end of the key mechanism overlaps with a part of the back panel of the main body case, Prevent the operation unit cover from opening. 5. The hand dryer according to claim 4, wherein: The operating part cover is disposed on the upper left side of the main body case. 6. The hand dryer according to claim 5, wherein: The operation part cover is connected to the main body case by a hinge structure provided at one end, and is opened on the near side by turning around the hinge structure as a fulcrum.