KR200437981Y1 - The elevator with clean room - Google Patents

Abstract

The present invention is equipped with a fan motor and a filter on the elevator lift, the upper part of the car, and the upper and left walls of the car to apply to finished goods and hotel chefs in workplaces requiring high cleanliness, and uninterrupted dust is not welded to the floor of the car. The purpose is to provide a clean room elevator with excellent cleanliness, which allows the construction of tiles to further improve cleanliness and maintain a comfortable condition.

High clean, clean room elevators, uninterrupted tiles

Description

Clean room elevator with excellent cleanliness {THE ELEVATOR WITH CLEAN ROOM}

1 is a block diagram showing the components of a clean room elevator hoistway 100 according to the present invention,

Figure 2 is a block diagram showing the components inside the clean room elevator according to the present invention,

Figure 3 is an embodiment showing a process in which fresh air flows from the top to the bottom inside the clean room elevator according to the present invention, absorbed in the uninterruptible tiles of the double structure,

Figure 4 is an embodiment showing a clean room elevator 200 is transferred along the clean room elevator hoistway 100 according to the present invention,

Figure 5 is an embodiment showing a process in which the finished food at the workplace and the finished food is loaded and transported to the hotel chef inside the clean room elevator according to the present invention,

Figure 6 is a block diagram showing the components of the dust detection sensor of the components of the clean room elevator according to the present invention,

Figure 7 is a cross-sectional view showing the components of the dust sensor among the components of the clean room elevator according to the present invention.

※ Brief description of reference numerals ※

100: elevator hoistway 110: exhaust duct

120: supply duct 130: fan

140: louver 200: clean room elevator

210: main body 220: air cleaner

230: uninterruptible tile 240: air filter unit

250: fan motor unit 260: sensor unit

270 control unit

The present invention is equipped with a fan motor and a filter on the elevator lift, the upper part of the car, and the upper and left walls of the car to apply to finished goods and hotel chefs in the workplace requiring high cleanness. The construction of the present invention relates to a clean room elevator having excellent cleanliness, which can improve cleanliness even more than the conventional method and maintain a comfortable state.

In general, semiconductor devices, flat panel displays, microelectronic devices, and the like are manufactured in a clean room because high cleanliness is required for their manufacture. The clean room keeps temperature, humidity and particles (micro particles such as dust, etc.) at a certain level to prevent defects in the manufacturing stage. Among these, temperature and humidity can be kept constant in a clean room using an automatic control device or the like. However, since particles are introduced into the clean room from the outside by an operator, maintaining the particles below a certain level in the clean room serves as an important factor in preventing manufacturing defects.

Workers should wear dustproof clothing, dustproof and dustproof gloves to prevent particles from entering the clean room. Then, the worker performs an air shower in the air shower device to remove the particles attached to the dust-proof suit, dust-proof and dust-proof gloves before entering the clean room. The air shower device sprays air at a high pressure to remove particles attached to the discharge suit, dustproof and dustproof gloves.

And, when the finished goods in the clean room is transferred to an elevator equipped with an air purifier.

However, even if the air in the transfer elevator is purified through the air purifier, the interior of the elevator and the elevator when transferring the finished goods to the transfer elevator (aka 'Car') in a workplace requiring high cleanness. There was a problem that the foreign matter attached to the transport path is easily defective.

In order to solve these problems, the present invention is equipped with a fan motor and a filter on the elevator lift and the upper side of the CAR, and the left and right walls, and by installing an uninterruptible tile in which the dust is not fused to the bottom of the car, the cleanliness is further improved than the conventional method. Its purpose is to provide a clean room elevator with excellent cleanliness to keep it comfortable.

Clean room elevator excellent in cleanliness according to the present invention to achieve the above object,

It is made of a clean room elevator (200) for loading the finished food and the finished food in the hotel chef in the workplace requiring high cleanness, and transported to each floor along the elevator hoistway (100),

The elevator hoistway 100 has an exhaust duct 110 for discharging air in the elevator hoistways along the left and right wall surfaces, and an air supply duct 120 for introducing fresh air from the outside, and is provided on the ceiling surface. A fan 130 for circulating air in the elevator hoisting path is formed, and the louver 140 for shielding light from the fan side is formed.

In addition, the clean room elevator 200 according to the present invention

Square box consisting of an inner portion 212 formed of left and right side plates, a ceiling plate and a foot plate inside the elevator and an outer portion 211 formed of left and right side plates, a ceiling plate and a bottom plate outside the elevator at intervals of 5 to 30 cm from the inner portion thereof. Body 210 made of a dual structure of the shape,

An air cleaner 220 installed at one side of the ceiling plate between the inner part 212 and the outer part 211 of the main body 210 to purify the air blown through the air inlet to flow to the inner bottom of the clean room elevator;

A double structure uninterruptible tile 230 installed on the bottom plate of the main body to prevent foreign matter from being fused to objects and foods requiring cleanliness;

An air filter unit 240 disposed between the inner bottom plate located at the lower end of the uninterruptible tile 230 and the outer bottom plate to absorb and purify the air and foreign matter inside the clean room elevator;

A fan motor unit 250 for moving the purified air from the air filter unit 240 upwardly to the air cleaner through an exchange duct formed on the left and right sidewalls between the inner and outer sides of the main body;

A sensor unit 260 attached to one side of the doorway and one bottom plate of the clean room elevator to detect whether the object and the food requiring the cleanness are mounted;

The controller 270 is connected to the sensor unit 260 and detects whether the object and food requiring cleanliness is loaded, and then controls the operation of the air cleaner 220, the air filter unit 240, and the fan motor unit 250. Is achieved by

Hereinafter, with reference to the drawings will be described a preferred embodiment of the present invention.

Figure 4 relates to an embodiment showing a clean room elevator 200 is transported along the clean room elevator hoistway 100 according to the present invention, which is largely the elevator hoistway 100 and the clean room elevator 200 It is composed.

First, the elevator hoistway 100 will be described.

Elevator hoistway 100 according to the present invention is a place for loading the finished goods and finished food in the hotel cookhouse in the clean room elevator 200, and transported to each floor, which is required in high workplace, which is As illustrated, the exhaust duct 110, the air supply duct 120, the fan 130, and the louver 140 are configured.

The exhaust duct 110 is formed in the longitudinal direction along the left and right side wall to discharge the air in the elevator hoisting to the outside.

Grills are formed at regular intervals in the exhaust duct 110 to discharge the air in the elevator hoistway to the outside.

The air supply duct 120 is formed in the longitudinal direction along the left and right wall surfaces to serve to introduce fresh air into the elevator hoistway.

Grills are formed at regular intervals in the air supply duct 120 to introduce fresh air into the elevator hoistway.

The fan 130 is attached to one side of the ceiling surface of the elevator hoist 100 to circulate air in the elevator hoist.

The louver 140 is installed at one side of the fan 130 to serve to shield light from the outside.

Next, a clean room elevator 200 according to the present invention will be described.

The clean room elevator 200 according to the present invention is a place that loads the finished food and the finished food in the hotel cooking place in a business that requires high cleanness, and transports safely to each floor, which is a main body 210 and an air cleaner ( 220, an uninterruptible tile 230, an air filter unit 240, a fan motor unit 250, a sensor unit 260, and a control unit 270.

The main body 210 is an inner portion 211 formed of left and right side plates, a ceiling plate, and a foot plate inside the clean room elevator, and spaced apart at intervals of 5 to 30 cm from the inner portion 211, left and right side plates, a ceiling plate, and a bottom plate of the elevator. Consists of an outer portion 212 formed of a rectangular box-shaped double structure.

One side of the ceiling plate 210a between the inner portion 211 and the outer portion 212 of the main body 210 is an air cleaner 220 is configured, the bottom between the inner portion 211 and the outer portion 212 of the main body 210. An uninterruptible tile 230 is dually formed at one upper side of the plate 210b, and an air filter unit 216 and a fan motor unit 250 are formed between the inner bottom plate and the outer bottom plate, and the inner left and right side plates and the outer left and right sides. An exchange duct 218 connected to the air cleaner 220 is formed between the side plates.

Here, the material of the main body 210 is made of stainless steel (STS 304).

In addition, one side of the lower left and right side plates of the main body 210 detects dust attached to the inside of the elevator and objects and foods in order to prevent foreign matter from being accumulated in the elevator or the objects and foods requiring cleanliness. Dust detection sensor 280 is attached.

6 and 7, the dust sensor 280 according to the present invention, the left and right side plates of the main body 210 is a lower end of one side, a cylindrical air transfer passage 281 is formed, the air transfer passage Grooves 281a and 281b are formed on both sidewalls of the 281, and a light emitting part 282 is formed on one side of the groove 281a to emit light through the light emitting LED 282a and the light emitting lens 282b. On the other side of the groove 281b, a light receiving unit 283 including a light receiving LED 283a and a light receiving lens 283b is formed to collect light emitted from the light emitting unit 282, and the light emitting unit 282 and the light receiving unit 283 are formed. The control unit 270 is connected to one side of the rear end.

In addition, a fan & motor driver 285 is formed at the lower end of the cylindrical air transfer passage 281 so as to suck dust contained in the air.

Here, the control unit 270 compares the illuminance of the light emitting unit 282 and the illuminance collected by the light receiving unit 283 after passing through the space 284 to measure a loss value, and the amount of dust contained in the air is determined by the loss value. If the determination is greater than or equal to the reference value, the air cleaner 220 is driven to control the fresh air to flow into the elevator interior.

As such, the present invention can accurately purify the air by measuring the dust contained in the air inside the elevator in real time even if the object is not mounted inside the clean room elevator.

The air cleaner 220 is installed on one side of the ceiling plate 210a between the inner portion 211 and the outer portion 212 of the main body 210 to purify the air blown through the air inlet 213a to the inner bottom of the clean room elevator. To flow.

An air inlet 213a is formed at one side of the ceiling surface of the clean room elevator 100, and an air cleaner 220 is mounted at one side of the air inlet 213a, and an air filter unit is disposed at an upper end side of the air cleaner 220. The exchange duct 218 is connected so that the purified air from 216 is circulated and introduced.

The air cleaner 220 is operated by the fan under the control of the controller 270, the air of the exchange duct 218 is forced into the clean room elevator 200 in accordance with the operation of the fan, the air in the process It is introduced into the clean room elevator 200 through the plurality of filters 213b of the cleaner 220.

As shown in FIG. 5, the uninterruptible tile 230 is installed on the bottom plate of the main body 210 and is formed in a double structure such that foreign matters are not fused to objects and foods requiring cleanliness. Here, the diameter of the groove formed in the uninterruptible tile 230 is 3φ ~ 4φ.

As shown in FIG. 43, the air filter unit 240 is installed between the inner bottom plate and the outer bottom plate located at the bottom of the uninterruptible tile 230 to absorb and purify the air and foreign substances inside the clean room elevator. Where it consists of a Hepa Filter.

Here, the HEPA filter serves as a high performance filter to remove more than 99.97% of 0.3㎛ particles.

The fan motor unit 250 is installed at the bottom of the air filter unit 240 to purify the air from the air filter unit 240 through the exchange duct 218 formed on the left and right side walls between the inner and outer parts of the air cleaner ( 220) to move upward.

The sensor unit 260 is attached to one side of the doorway and the bottom plate of the clean room elevator 200 to detect whether or not to load the food and food requiring cleanliness, which is composed of a temperature sensor and a pressure sensor.

That is, by sensing the temperature of the food mounted in the elevator, the fan is driven from the air purifier through the control of the control unit 270 or the air is introduced, or by detecting the dynamic capacity of the object through the control of the control unit 270 The fan can be configured to drive air from the air cleaner.

The control unit 270 is connected to the sensor unit 260 detects whether the objects and foods that require cleanliness, and then the operation of the air cleaner 220, the air filter unit 240, the fan motor unit 250 As a control, it is configured on one side of the keypad of the clean room elevator.

The control unit 270 according to the present invention is connected to a power supply unit on one side of the input terminal to control the power to be applied to each device, and the sensor unit 260 is connected to one side of the input terminal whether to load the food and food requiring cleanliness It detects whether the lamp is connected to one side of the output terminal to control the lighting to detect whether or not the mounting of food and food that requires cleanliness, and the air cleaner 220 is connected to one side of the output terminal is blown through the air inlet 230a Purified air is controlled to flow to the inner floor of the clean room elevator, and the air filter unit 240 is connected to one output terminal to control to absorb and purify the air and foreign matter inside the clean room elevator, and one output terminal The fan motor 250 is connected to the exchange duct 218 formed on the left and right side walls between the inner and outer portions of the air to clean the air from the air filter unit 240 It is controlled to move upward to the air cleaner 220 through.

The controller 270 compares the illuminance of the light emitting unit 282 with the illuminance collected by the light receiving unit 283 after passing through the space 284 to measure a loss value. The amount of dust contained in the air is determined by the loss value. If it is determined that the reference value or more, the air cleaner 220 is driven to control the fresh air to flow into the elevator interior.

Hereinafter, a detailed operation process between the components of the clean room elevator excellent in cleanliness according to the present invention.

First, the air in the elevator hoistway 100 is discharged to the outside from the exhaust duct 110 configured in the elevator hoistway 100, and fresh air outside the air supply duct 120 flows into the elevator hoistway 100.

Subsequently, a fan 130 attached to one side of the ceiling surface of the elevator hoistway 100 is driven to circulate air in the elevator hoistway.

Subsequently, the louver 140 installed at one side of the fan 130 is driven to block light from the outside.

Subsequently, when objects and foods requiring cleanliness are mounted in the clean room elevator, the sensor unit 260 detects whether the objects and foods requiring cleanliness are mounted and transmits them to the controller 60.

Subsequently, the control unit 270 detects whether the objects and foods requiring cleanliness are loaded and sends a driving signal to the air cleaner 220 to purify the air blown through the air inlet 230a to clean the elevator 200. Flow to the inner bottom.

Subsequently, the control unit 270 drives the air filter unit 240 to absorb and purify the air and the foreign matter in the interior of the clean room elevator 200.

Subsequently, the air purifier 220 is driven by the fan motor 250 in the controller 270 through the exchange duct 218 formed on the left and right side walls between the inner side and the outer side of the main body. Move up to.

Subsequently, when the object and the food requiring the cleanliness are transferred to another place, the sensor unit detects whether the object is transferred and transmits it to the control unit 270. The control unit 270 sends an output signal to stop the operation of all devices. .

As described above, in the present invention, by installing a fan motor and a filter on the elevator hoistway and the upper part of the CAR, and the left and right walls, and installing the uninterruptible tiles in which dust is not fused on the floor of the car, clean room elevator air and cleanliness can be improved. There is a good effect to increase the cleanliness of the required items and food to 95%.

Claims (5)

In the workplace requiring high cleanness, the finished goods and the finished food in the hotel cookhouse are loaded, and transferred to each floor along the elevator hoistway 100, and the elevator hoistway 100 is located in the elevator hoistways along the left and right wall surfaces. An exhaust duct 110 for discharging air to the outside and an air supply duct 120 for introducing fresh air into the outside are formed, and a fan 130 for circulating air in the elevator hoisting path is formed on the ceiling surface. In the clean room elevator 200, characterized in that the louver 140 for blocking light on one side of the fan 130, The clean room elevator 200 includes an inner part 212 formed of left and right side plates, a ceiling plate, and a foot plate inside the elevator, and an outer part formed of left and right side plates, a ceiling plate, and a bottom plate of the elevator outside at an interval of 5 to 30 cm from the inner part thereof. A main body 210 having a double structure having a rectangular box shape, An air cleaner 220 installed at one side of the ceiling plate between the inner part 212 and the outer part 211 of the main body 210 to purify the air blown through the air inlet to flow to the inner bottom of the clean room elevator; A double structure uninterruptible tile 230 installed on the bottom plate of the main body to prevent foreign matter from being fused to objects and foods requiring cleanliness; An air filter unit 240 disposed between the inner bottom plate located at the lower end of the uninterruptible tile 230 and the outer bottom plate to absorb and purify the air and foreign matter inside the clean room elevator; A fan motor 250 for moving the purified air from the air filter unit 240 upwardly to an air cleaner through an exchange duct formed on the left and right sidewalls between the inner and outer sides of the main body, and one side and the bottom plate of the doorway of the clean room elevator. A sensor unit 260 attached to one side and detecting whether the object and the food are required to be cleaned; The controller 270 is connected to the sensor unit 260 and detects whether the object and food requiring cleanliness is loaded, and then controls the operation of the air cleaner 220, the air filter unit 240, and the fan motor unit 250. Clean room elevator excellent in cleanliness, characterized in that consisting of). delete The left and right side plates of the main body 210 are formed at one side of the lower end, and a cylindrical air transfer passage 281 is formed, and grooves 281a and 281b are formed on both sidewalls of the air transfer passage 281. The light emitting portion 282 emitting light through the light emitting LED 282a and the light emitting lens 282b is formed at one side of the groove 281a, and the light emitted from the light emitting portion 282 is provided at the other side of the groove 281b. The light receiving unit 283 is formed of a light receiving LED 283a and a light receiving lens 283b so as to collect the dust detection sensor formed by connecting the control unit 270 to one end of the light emitting unit 282 and the light receiving unit 283. Clean room elevator excellent in cleanliness, characterized in that the attachment. The method of claim 3, wherein the control unit 270 compares the illuminance of the light emitting unit 282 with the illuminance collected by the light receiving unit 283 after passing through the space 284, and measures a loss value. Clean room elevator excellent in cleanliness, characterized in that by controlling the amount of dust included in the fresh air into the elevator drive the air cleaner 220 when the reference value is determined. The clean room elevator of claim 1, wherein the air filter unit 240 is a high-performance filter and is composed of a HEPA filter that removes 0.3 μm or more of particles by 99.97%.

Images