KR200441147Y1 - Hand dryer having means for disinfection - Google Patents

Abstract

The present invention relates to a hand dryer having a disinfection function. The configuration is that can be fixed to the wall, the first and second hand openings (6, 8) are provided separately, the disinfection space (SA) and the drying space (DA) independently by the diaphragm 12 A case 4 provided; First and second sensing means (20, 22) for detecting a hand drawn through the first and second hand openings (6, 8); Disinfectant solution means (38) installed inside the case (4); Blowing means (24) installed inside the case (4); And a controller 52 which independently operates the disinfectant spraying means 38 and the blowing means 24 by separate signals applied from the first and second sensing means 20 and 22.

Hand, disinfection, drying, washing, toilet, wall, wash basin, alcohol

Description

Hand dryer having means for disinfection {Hand dryer having means for disinfection}

1 is a perspective view of a hand dryer according to an embodiment of the present invention.

2 is a front configuration diagram of a hand dryer according to an embodiment of the present invention.

3 is a side configuration diagram of a hand dryer according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

2 ; Dryer 4; case

6,8; First and second hand openings 12; Plate

16; Viewing window 18; Tray

20,22; First and second sensing means 24; Blower

30; Heating wire 32; Air inlet

36; Injection pipe 38; Disinfectant solution

40; Disinfectant Storage Container 42; Injection pump

44; Nozzle 46; Recovery valve

50; Inclined plate 52; Control

DA; Drying space SA; Disinfection Space

The present invention relates to a hand dryer, and more particularly, to a hand dryer having a disinfection function as being attached to a wall in an environment requiring clean or hygienic conditions such as a washroom, a toilet, a factory or a hospital.

Conventional public toilets are equipped with a hand dryer for washing the hands independently of the wash basin and allowing them to dry quickly. As for the drying method, it is common to use warm air or cold air.

In addition, in the fields that require the cleanliness or hygiene of workers, such as medical, food or precision industries, hand sterilization is required after working or finishing work. As a method for disinfecting, ultraviolet rays and rubbing alcohol are used. Hand sterilizers were typically installed separately from the hand dryers mentioned above. Therefore, there was a problem of lowering the space efficiency or increasing the installation cost.

Utility Model Registration Application No. 20-2003-0025828 filed with the Republic of Korea Patent Office for this problem proposes a "hot air hand sterilization dryer spraying antiseptic drug liquid." It is a disinfection solution tank and the spray nozzle is installed inside one side of the case; It is a structure containing a blower. It is possible to disinfect using a disinfectant solution along with drying, suggesting a hand dryer with improved functions.

However, the above design allows hands to be put into one single space for disinfection and drying in one space. In addition, the time-series control method of spraying the disinfectant solution and automatically operating the blower after a certain period of time has been adopted, and even if the user only wants to dry, there is a wasteful element that needs to be disinfected unnecessarily.

In addition, there is a waste of disinfectant solution or power when the hands are not wide enough to place the hand accurately in the disinfectant spray nozzle.

The object of the present invention for the above problems, to provide a hand dryer having a disinfection function that allows the user to selectively use the desired mode by allowing the disinfection by the disinfectant and drying by blowing separately operated through a separate route. Is in. In addition, it is an object of the present invention to provide a hand dryer that can minimize the waste of the disinfectant by spraying the disinfectant in the correct position.

The above object is, as can be fixed to the wall, the first and second hand openings are provided separately, the disinfection space and the drying space is provided independently by the partition case; First and second sensing means for sensing a hand drawn through the first and second hand entrances; Disinfection solution spraying means including a disinfecting solution storage container, an injection pump and an injection nozzle installed inside the case; A blowing means installed in the case; And it is achieved by a hand dryer having a disinfection function including a control unit for independently operating the disinfectant spraying means and the blowing means by the individual signal applied from the first and second sensing means.

According to the present invention, the blowing means is provided in each of the upper and lower portions of the drying space to inject the compressed air, respectively from the top and bottom of the hand, two or more injection pipes with a plurality of injection holes perforated; It characterized in that it comprises a injection motor and a fan for supplying compressed air to the injection pipe.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view of a hand dryer according to an embodiment of the present invention. 2 and 3 are a front view and a side view of the hand dryer according to an embodiment of the present invention.

The hand dryer 2 is basically a structure that can be fixedly installed on a wall such as a workplace, a toilet or a washroom, and its appearance is specified by a case 4 having a long rectangular shape in the transverse direction. The case 4 can be made by cutting and bending a metal plate such as stainless steel or by injecting a synthetic resin. First and second hand openings 6 and 8 in the form of ellipses are provided on the lower left and right sides of the case 4, respectively. The edges of the first and second hand inlets 6 and 8 are secured by fitting a protective material 10 made of a soft material such as rubber or urethane to protect the hands.

The disinfection space SA and the drying space DA are provided by the first and second hand inlets 6 and 8 and the diaphragm 12 disposed therebetween. A power switch 14 is installed between the first and second hand inlets 6 and 8. The installation position and shape of the power switch can be modified in any way. The hand openings 6 and 8 are approximately elliptical in size so that both the adult's hands can fully enter.

At the front halfway point of the case 4, there is provided a viewing window 16 for visually confirming the remaining amount of the disinfectant solution. Although not shown, a cap or the like for replenishing the disinfecting solution may be provided in the disinfecting solution storage container 40 to be described later.

On the lower surface of the case 4, a tray 18 with a handle is provided. The tray 18 collects a disinfectant solution or a liquid falling from the hand during drying.

First and second sensing means 20 and 22 are installed at an upper portion of the first and second hand inlets 6 and 8 to detect whether the hand is inserted, and an infrared sensor is usually used as the sensing means.

Blowing means 24 is installed inside the case 4, particularly on the left side where the first hand opening 6 is located. The blowing means 24 comprises a motor 26 and a fan 28. The motor and fan may sometimes be replaced by an air pump. The heating wire 30 may be further provided as a blowing means to supply warm air. Of course, the heating wire 30 may be installed at the front end of the motor. The grille-type air inlet 32 is provided at the top of the case to smoothly flow the air. The blowing means may include a flow path by the duct 34.

The blowing means may include two or more rod-shaped injection tubes 36 to inject air into the upper and lower portions of the drawn hand. Each injection pipe 36 is provided with a plurality of injection holes at regular intervals. Each injection pipe 36 allows for evenly drying hands quickly with compressed air at a higher flow rate. Whether or not to install the injection pipe 36 is optional. As shown, the injection pipe 36 is in the form of a straight line, but is not limited thereto, and may have a curved shape such as a circular shape or a curved shape.

The disinfectant solution injection means 38 is installed inside the right side of the case 4, which includes a disinfectant solution storage container 40, an injection pump 42, and an injection nozzle 44. The spray nozzle 44 is for spraying or spraying a disinfectant solution that is a liquid to the space inside the second hand inlet 8. The injection angle is set at 80 ° to 90 ° and is activated by an electrical signal generated by the second sensing means 22. As the disinfectant solution, ethyl alcohol or an aqueous solution thereof may be used.

According to the embodiment of the present invention, a predetermined pressure is applied between the injection pump 42 and the injection nozzle 44. Even after the spraying of the disinfectant solution is terminated by this pressure, the injection pump 42 and the injection nozzle 44 A recovery valve 46 is installed to prevent leakage of the disinfectant solution in the form of droplets through the injection nozzle 44. The recovery valve 46 is a solenoid valve that is normally open and then closed when an electrical signal is applied. That is, the injection (or spray) is terminated and the injection pump is closed at the same time the signal is closed by disinfection solution storage container 40 through the recovery pipe 48 to the disinfectant solution between the injection pump 42 and the injection nozzle 44 To flow into. Disinfectant spray nozzle 44 is shown as one, but two or more may be installed for even spraying.

An inclined plate 50 inclined toward the center is provided on the bottom of the case 4. By the inclined plate 50, disinfectant solution or water is collected in the center of the bottom of the case 4 to fall on the tray 18. Of course, the tray 18 is provided so that it can slide out by a manager.

As shown in the side configuration of FIG. 3, the first sensing means 20 is installed at the inlet of the first hand inlet 6, and the injection pipe 36 of the blowing means 24 is the sensing means 20. Is installed in the rear of the. This arrangement is the same for the disinfectant solution injection means 38. As shown, two injection pipes 36 are provided, but may be four or more in order to widen the injection range.

In addition, the 1st, 2nd hand openings 6 and 8 are provided upwards in the range of 10 degrees-30 degrees. This is a consideration that makes it easy to insert the hand.

The control unit 52 is provided in the form of a printed circuit board (PCB), and the blower means 24 and the disinfectant spraying means 38 are driven for a predetermined time by signals applied from the first and second sensing means 20 and 22, respectively. Do it. The disinfectant solution is set to spray in an amount of 1 to 2 cc. The blowing means 24 may be operated for a predetermined time, for example, between 10 and 20 seconds or may be stopped on condition that the hand is taken out.

Importantly, the blowing means 24 and the disinfecting liquid spraying means 38 are operated independently by separate signals. This means that the blowing means 24 and the disinfecting liquid spraying means 38 may be operated at the same time, which means that two people may use them together.

The user may rub and dry the hand by putting the hand in the first hand inlet 6, and then disinfect with the disinfectant by replacing the hand in the second hand inlet 8. The user may only disinfect or dry only with one device, if necessary.

According to the above configuration, there is provided an integrated hand dryer capable of independently disinfecting and hand drying by the blowing means and the disinfectant spray means to operate separately. This provides a hand dryer that can reduce power consumption or disinfectant consumption by using various modes, such as selectively using only a portion according to a user's needs. In some cases, two users may use the same time, and thus a preferable hand dryer is provided even in an environment in which many people use it.

Claims (2)

As can be fixed to the wall, the first and second hand openings (6, 8) are provided separately, the case is provided with a disinfection space (SA) and drying space (DA) independently by the diaphragm 12 ( 4); First and second sensing means (20, 22) for detecting a hand drawn through the first and second hand openings (6, 8); Disinfectant solution means (38) installed inside the case (4); Blowing means (24) installed inside the case (4); And a control unit 52 which independently operates the disinfectant dispensing means 38 and the blowing means 24 by separate signals applied from the first and second sensing means 20 and 22. dryer. According to claim 1, wherein the blowing means 24 are respectively provided in the upper and lower portions of the drying space (DA) to inject compressed air from above and below the hand, respectively, two or more injection pipes 36 perforated with a plurality of injection holes ; Hand dryer having a disinfection function, characterized in that it comprises a motor (26) and a fan (28, fan) for supplying compressed air to the injection pipe (36).

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