KR100770989B1 - Apparatus for washing chassis of display device - Google Patents

Abstract

The present invention relates to a chassis automatic cleaning device for a display device, and after the chassis is loaded at the front entrance side of the frame body, the chassis is moved along the working path of the frame body by driving the transfer unit, so that the cleaning liquid spraying unit and the chassis rinse. Chassis cleaning → Chassis rinsing → Cleaning liquid removal → Pre-drying → This drying (hot air drying) can be automatically performed while passing through each section of the equipment section, cleaning liquid removing device, preliminary drying device, and hot air drying device. It is possible to solve the problems of the conventional problems, ie excessive workforce and labor costs, cost increase, and the presence of risks due to the use of chemical cleaning liquids, and provide the advantages of improving productivity by improving the working speed and work efficiency of cleaning operations. The present invention relates to a chassis automatic cleaning device for a display device.

Display, Chassis, Washer, Cleaning Liquid, Drying, LCD, PDP

Description

Chassis automatic washing device for display device {Apparatus for washing chassis of display device}

1 is a front view showing the overall arrangement of the chassis automatic cleaning device according to the present invention,

2 is a plan view of the chassis automatic cleaning device according to the present invention,

3 is a plan view showing the air knife arrangement state of the pre-drying unit in the automatic chassis cleaning apparatus according to the present invention,

Figure 4 is a block diagram showing the control relationship of the temperature sensor, controller and main operating elements of the automatic washing apparatus according to the present invention,

5 is a perspective view of the chassis used in the display device.

<Explanation of symbols for main parts of the drawings>

10: chassis 100: body frame

110: transfer unit 120: cleaning liquid injection unit

130: chassis rinsing device unit 140: cleaning liquid removal unit

150: preliminary drying unit 160: hot air drying unit

171: controller

The present invention relates to a chassis automatic cleaning device for a display device, and more particularly, to a chassis automatic cleaning device for a display device, and more particularly, to manufacture a chassis installed to support the outside of a display panel assembly in a display device. The present invention relates to an apparatus for automatically cleaning a chassis in which a molding process is completed.

Recently, with the development of information processing apparatuses, the demand for display devices (image display apparatuses or image display apparatuses) serving as interfaces between users and information processing apparatuses is rapidly increasing.

In particular, the development of high-definition television (High Definition Television) is part of the development, and the improvement of this problem continues to study the importance of the display device.

Types of such display devices are known, such as color cathode ray tube (CRT), liquid crystal display (LCD), fluorescent display (VFD), plasma display device (PDP) and the like.

However, as a display element satisfactory in relation to the development of high-definition television, which has not been technically completed yet, such display devices have been developed while maintaining mutually complementary relations at different positions.

Among the display devices described above, the liquid crystal display device and the plasma display device, which have recently been improved in performance, will be described.

First, the liquid crystal display is a device for displaying information by using the electrical and optical properties of the liquid crystal material injected into the liquid crystal display panel. Recently, a portable video camera, a digital camera, Applications such as navigation devices, various information devices, and communication devices of automobiles are gradually increasing.

The liquid crystal display device as described above requires a liquid crystal display panel assembly that receives an image signal from the information processing device and converts the signal into a liquid crystal control signal and then controls the amount of light transmitted through the liquid crystal to visually recognize the electrical image signal. Shall be.

The liquid crystal display panel assembly is again connected to a liquid crystal display panel for displaying an image using liquid crystal, a printed circuit board for applying an electrical signal to the liquid crystal display panel, and the liquid crystal display panel and the printed circuit board, It includes a flexible circuit board to reduce the planar area.

In addition, since the liquid crystal display uses liquid crystal, which is a light-receiving element that does not emit light by itself, the liquid crystal display device requires a backlight assembly installed on the lower surface of the liquid crystal display panel assembly in addition to the liquid crystal display panel assembly to provide light to the liquid crystal display panel assembly. do.

The above components are housed in a case for protection and fixation from external impact, and the bottom of the case sequentially receives the components of the backlight assembly, and above the liquid crystal display panel assembly.

Next, the plasma display apparatus displays an image on a plasma display panel (PDP) using a plasma generated by gas discharge. After the gas is sealed between two electrodes installed in an enclosed space, A discharge voltage is applied and the phosphor layer formed in a predetermined pattern is excited using ultraviolet rays generated due to the discharge voltage to obtain a desired number, letter or image.

Such a plasma display device basically includes a PDP, a chassis base disposed substantially parallel to the PDP, a thermally conductive medium interposed between the PDP and the chassis base and closely attached to the PDP and the chassis base, and the panel of the chassis base attached thereto. And a driving circuit mounted on the side opposite to the surface and connected to the PDP to drive the PDP. A front case is coupled to the PDP side, and a back case is coupled to the driving circuit side.

The plasma display device has the most promising resolution and illuminance ratio in this field, and is not only fast in response, but also suitable for displaying a large area image, and is widely used in televisions, monitors, indoor and outdoor display panels, and the like. have.

On the other hand, the liquid crystal display and the plasma display device both chassis is coupled to the case (chassis) in order to prevent the display panel assembly, which is simply seated on the case is separated from the outside.

The chassis (also referred to as a frame) is installed to support the outside of the display panel assembly. The chassis is divided into a top chassis and a bottom chassis according to the front and rear positions of the display panel assembly. The chassis is made of a metal material such as aluminum alloy or stainless steel (SUS). Is produced.

The chassis used in the liquid crystal display and the plasma display device have only a difference in size, and there is no big difference in the overall shape.

The chassis is formed by forming a metal plate through a press process to form a quadrangle having an upper surface 11 and four side surfaces 12 as shown in FIG. 5, and also in the upper surface 11 of the chassis 10. The central part corresponding to the effective display area of the display panel is cut in a quadrangular shape to form a large square hole 13.

In general, in order to manufacture the chassis having the above-described shape, a multi-stage pressing process is required. First, the metal disc is cut into a predetermined size and shape, which is cut to have a rectangular shape as a whole. It is processed by removing some holes at the same time.

Next, mark the plate as a base for post-processing, piercing the small holes as needed, embossing to create local protrusions, Z bending, burring, slits Additional processing such as slitting and engraving is performed.

Then, as a process of forming the sides along the four sides of the plate, the box bending (bending) bending the four sides of the plate in a 'b' shape by a certain width, so that the plate is the upper surface and four sides It consists of.

After the box bending to form the side as described above, to open the center of the upper surface of the chassis mounted on the piercing die (lower type) to form a square hole 13 in the center of the upper surface of the chassis with a piercing punch (top type). (opening).

After the molding process is completed as described above, all the manufacturing process of the chassis through the washing process is finally completed.

In the washing process, various oils (tapping oil, punching oil, etc.) and foreign substances remaining in the chassis are removed by using a hydrocarbon-based cleaning liquid.

However, in the related art, such a washing process is performed by a worker's hand, and thus there are various problems such as excessive workforce and labor cost, an increase in cost, and a risk of using a chemical cleaning solution.In addition, productivity decreases due to low work speed and work efficiency. The situation is also pointed out as a big problem.

Accordingly, the present invention has been invented to solve the above problems, and after the chassis is loaded at the front entrance side of the frame body, the chassis moves along the working path of the frame body by driving the transfer unit, thereby cleaning the liquid spraying unit. , Chassis cleaning → Chassis rinsing → Cleaning liquid removal → Pre-drying → This drying (hot air drying) can be automatically progressed through each section of the chassis rinsing unit, cleaning liquid removing unit, predrying unit, and hot air drying unit. It is configured to solve the problems such as excessive workforce and labor cost, cost increase, and risk of using chemical cleaning solution, and automatic chassis cleaning device for display device that can improve productivity by improving work speed and work efficiency of cleaning work. The purpose is to provide.

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

Chassis automatic cleaning device for a display device according to the present invention, the main body frame which is configured to be long and long to form a conveying path of the chassis, each part is installed and supported, and is installed and configured along the chassis conveying path of the main frame A transport unit for transporting the controller and a controller for controlling each operating element throughout the apparatus;

A cleaning liquid injector unit for spraying the cleaning liquid for cleaning the chassis, a chassis rinsing apparatus unit for removing contaminant cleaning liquid remaining in the chassis, a cleaning liquid removing unit unit for removing the cleaning liquid remaining in the chassis by high-pressure injection of compressed air, and a heater The pre-drying unit unit for pre-drying the chassis by high-pressure injection of the heated air, and the hot air drying unit for discharging the air heated by the heater to the upper side of the chassis and finally dried along the chassis transfer path of the main body frame It is characterized by.

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

The present invention relates to a chassis automatic cleaning device for a display device, and more particularly, an apparatus for automatically cleaning a chassis in which a shaping process is completed in a manufacturing process of a chassis installed to support the outside of a display panel assembly in a display device. It is about.

1 is a front view showing the overall arrangement structure of the automatic chassis cleaning apparatus according to the present invention, Figure 2 is a plan view of the automatic chassis cleaning apparatus according to the present invention, Figure 3 is a pre-drying unit in the automatic chassis cleaning apparatus according to the present invention Is a plan view showing the air knife arrangement.

As shown in the drawing, the automatic cleaning device of the present invention includes a main body frame 100 in which each component to be described below is installed and supported.

The body frame 100 is fabricated by assembling and welding various members such as steel pipes, section steel, angles, angles, plates, and the like, and are suitably designed and manufactured according to the purpose and use of the present invention.

The main body frame 100 is configured to be long in one direction as a whole so that the chassis 10 can be transported along a predetermined path in which the work is made, and thus the longitudinal direction of the main body frame 100 is a conveying direction of the chassis 10. In this case, the chassis 10 is sequentially passed through the components for performing the operation of each step for the chassis cleaning while being transported along the longitudinal direction from the front inlet side to the rear outlet side of the body frame 100.

A plurality of casters 101 may be installed at the lower end of the main body frame 100 to move the apparatus.

Next, the automatic cleaning device of the present invention is installed along the longitudinal direction of the main body frame 100, when the chassis 10 to be cleaned is loaded from the front inlet side of the main body frame 100 to the rear outlet side along the working path. It includes a conveying unit 110 for conveying.

The transfer unit 110 is a component that is responsible for the transfer and support of the chassis during the operation of each step, when the chassis 10 is loaded, that is, placed in the working position along the longitudinal direction of the main frame 100 The chassis is transported so that each installed part can be sequentially passed.

As the transfer unit 110, various types of known devices capable of transferring an object loaded at a work position along a predetermined work path may be used.

As a preferred embodiment, as shown in Figures 1 and 2, the transfer unit 110, the drive motor (111, 114) is provided at a predetermined position of the main body frame 100 to provide a rotational force, and the main body frame ( 100) a plurality of intermediate sprockets 112, 113, 115 and 116 rotatably installed at a predetermined position, the rotary shaft sprockets 111a and 114a of the drive motors 111 and 114 and the intermediate sprockets 112, 113, 115 and 116 and the sprockets 117a of the following rollers 117 The chains 112a, 113a, 115a, and 116a driven to transfer the rotational force of the driving motors 111 and 114 to the respective rollers 117, and along the working path of the main frame 100. Installed in equal intervals and rotated by a rotational force transmitted through the chains 112a, 113a, 115a, and 116a in a state in which the chassis 10 is loaded and supported upwards to transfer the chassis 10 Including roller 117 It is open configuration.

First, the first and second drive motors 111 and 114 are fixedly installed at the middle and rear end positions in the longitudinal direction of the main body frame 100, respectively, and the first intermediate sprockets 112 and 115 in the vicinity of the drive motors 111 and 114, respectively. The main body frame 100 is rotatably installed, and the chains 112a and 115a are connected between the sprockets 111a and 114a installed on the rotation shafts of the driving motors 111 and 114 and the first intermediate sprockets 112 and 115, respectively. Thus, the rotational force of the driving motors 111 and 114 is transmitted to the first intermediate sprockets 112 and 115 through the chains 112a and 115a.

In addition, a plurality of intermediate sprockets 113 and 116 are installed at a lower portion of the main body frame 100 at predetermined front and rear intervals along the longitudinal direction thereof, and on the upper surface on which the chassis 10 of the main body frame 100 is raised. A plurality of rollers 117 are arranged at equal intervals before and after along the direction.

About half of the rollers 117 which are positioned forward with respect to the intermediate position of the body frame in the longitudinal direction of the rollers 117 are driven by the first driving motor 111, and the remaining rollers which are located rearward thereof are the second driving motor 114. Driven by

To this end, a second intermediate sprocket (unsigned) integrally mounted to the first intermediate sprockets 112 and 115 near each motor, so that the rotational force of each motor 111 and 114 can be finally transmitted to the corresponding rollers 117, Separate chains 113a and 116a are connected between the front sprockets 113 and 116 and the sprockets 117a installed at one end of each roller 117.

In this manner, when the first driving motor 111 and the second driving motor 114 are driven, the rotational force transmitted through the chain and the sprocket is transmitted to each roller 117 so that the entire rollers are rotationally driven. The chassis 10 mounted on the 117 is transported along the front and rear longitudinal directions of the main body frame 100 by the rollers that rotate.

In the transfer unit made as described above, the chassis 10 may be transferred after being loaded in two rows on the roller 117 as shown in FIG. 1.

Next, the automatic cleaning device of the present invention after washing the chassis 10, which is transported along the longitudinal direction, that is, the working path of the main frame 100 by the transfer unit 110 using a cleaning liquid and removing the cleaning liquid from the chassis after Each component for drying the chassis is arranged and installed sequentially along the body frame longitudinal path.

That is, as a component installed along the working path (chassis conveying path) of the main frame 100, the cleaning liquid injector unit 120 for spraying the cleaning liquid for cleaning the conveyed chassis, and removes the contaminated cleaning liquid remaining in the chassis. In order to spray the separate cleaning solution to further clean the chassis rinsing (rinsing) unit 130, the high pressure and high temperature and high pressure and high temperature and high temperature and high A pre-drying unit 150 for spraying the heated air on the chassis to pre-dry the chassis, and a hot air drying unit 160 for discharging the high-pressure and high temperature heated air to the upper side of the chassis to finally dry the chassis.

Therefore, in the automatic washing apparatus according to the present invention, the chassis 10 is transferred along the working path of the main frame 100 by the transfer unit 110 described above, and the chassis loading → chassis cleaning → chassis cleaning is performed by the components. Rinsing → cleaning solution removal → pre-drying → main drying (hot air drying) → chassis unloading, cleaning can be completed.

The components will be described below with reference to FIGS. 1 and 2.

First, the cleaning liquid spraying unit 120 is configured to be installed in the front of the working path of the main frame 100 to perform the chassis cleaning using the cleaning liquid, which is the first step. It is a component that removes and cleans processing oil (taking oil, punching oil, etc.) and foreign substances on the chassis.

The cleaning liquid injector 120 includes a cleaning liquid storage tank 121 in which the cleaning liquid is stored, a plurality of injection pumps 122 for sucking and feeding the cleaning liquid stored in the cleaning liquid storage tank 121 through a pipe, It comprises a plurality of injection pipes 123 for injecting the cleaning liquid pumped by the injection pump 122 to the chassis being transferred through the injection nozzle (123a).

Here, the cleaning liquid storage tank 121 is installed on the main body frame 100 or at a predetermined position outside the main body frame.

In addition, the injection pump 122 is installed in a plurality of front and rear predetermined positions along the transfer path of the chassis in the main frame 100, and the inlet side of each injection pump 122 is the cleaning liquid storage tank 121 And a plurality of injection pipes 123 are connected through respective pipes serving as suction passages of the cleaning liquid, and the outlet side of each injection pump 122 is connected to the plurality of injection pipes 123 through each branch pipe 124b serving as a pressure passage of the cleaning liquid.

A plurality of the injection pipe 123 is installed for each injection pump 122, the injection pipe 123 is fixed to the bracket 123a of the main frame 100 in the transverse direction of the main frame 100 Bar is installed long, a plurality of injection pipe 123 is arranged at a predetermined interval before and after each injection pipe is installed in parallel with the adjacent injection pipe.

Each of the injection pipes 123 is provided with a plurality of injection nozzles 123a arranged in length.

In the present invention, the injection pipe 123 is preferably installed separately arranged on the upper side and the lower side of the chassis moving space, through the injection nozzle 123a installed in each of the upper and lower injection pipes 123, top, bottom The cleaning liquid is injected toward the chassis, and the injection nozzles 123a are installed in the respective injection pipes 123 so as to face the direction in which the chassis moves.

That is, in the case of the injection pipe disposed on the upper side, the spraying direction is installed downward so that the cleaning liquid injected at high pressure through the injection nozzles 123a of the respective injection pipes 123 may be sprayed on the conveying chassis. In the case of the injection pipe is installed so that the injection direction is upward.

As a result, the cleaning liquid stored in the cleaning liquid storage tank 121 by the driving of the injection pump 122 is sucked and pumped through the pipe and the branch pipe 124b to be supplied to the respective injection pipes 123, and then each injection pipe It is sprayed toward the chassis through the spray nozzle 123a of 123 to be sprayed.

The cleaning liquid used for cleaning the chassis in the cleaning liquid injector unit 120 uses a hydrocarbon-based cleaning liquid that is commonly used.

In the cleaning liquid injector unit 120 formed as described above, a filter (back filter type) 125 is preferably installed in the middle of the pipe connected to the inlet side of the injection pump 122, and by the filter 125 The filtered cleaning liquid is to be supplied by the injection pump (122).

In addition, a plurality of drip trays 126 are installed in the lower part of the main body frame 100 so that the washing liquid washing the chassis after injection flows downward and is collected by the drip trays 126. The collected contaminated cleaning liquid, that is, waste washing liquid is stored in the waste washing liquid storage tank 127.

A pipe is connected between the waste washing liquid storage tank 127 and the waste washing liquid storage tank 127 so that the waste washing liquid can be automatically recovered from each of the liquid receiving vessels 126 to the waste washing liquid storage tank 127. A separate recovery pump (not shown) for pumping the waste washing liquid into the waste liquid storage tank may be installed inside or in the middle of each pipe.

In addition, a regeneration device 128 may be installed so that the contaminated cleaning solution may be reused after regeneration. In this case, a regeneration device for regenerating the hydrocarbon-based cleaning solution using a distillation under reduced pressure may be installed.

For example, in the regeneration device of a vacuum distillation method, a storage tank (tank material: SUS 304), a filter, a heater, and a vacuum generating pump, which are insulated using ceramic fibers, are installed to reduce the waste cleaning liquid in the storage tank under reduced pressure. The cleaning solution is regenerated by distillation by heating.

The cleaning liquid regenerated by the regeneration device as described above is supplied to the cleaning liquid storage tank 121 and reused.

Next, the chassis rinsing device unit 130 injects a clean cleaning liquid into the chassis at high pressure to remove contaminant detergent remaining in the chassis that has passed through the cleaning liquid injector unit 120. As a component for washing, it is a component installed in the main body frame 100, the rear of the cleaning liquid injector 120.

Since the configuration of the chassis rinsing device unit 130 is also to clean the chassis by spraying the cleaning liquid, there is no difference from the configuration of the cleaning liquid injector unit 120.

That is, the cleaning liquid storage tank (not shown) in which the cleaning liquid is stored, the injection pump 131 for sucking and pumping the cleaning liquid stored in the cleaning liquid storage tank through a pipe, and the cleaning liquid pumped by the injection pump 131 are injected. It is configured to include a plurality of injection pipes 132 to inject to the chassis being conveyed through the nozzle.

However, the above components are provided separately from those of the cleaning liquid injector, and can be configured by reducing the number of the injection pumps to one and reducing the total number of the injection pipes while reducing the capacity of the cleaning liquid storage tank compared to the cleaning liquid injector.

One injection pump installed last in FIG. 1, that is, the injection pump 131 installed on the rightmost side of the drawing, belongs to the chassis rinsing device unit 130.

The chassis rinsing device unit 130 also has a plurality of injection pipes 132 are installed side by side in the horizontal direction of the main body frame 100, the same as in the cleaning liquid injector unit 120, the cleaning liquid is supplied and sprayed It is the same as the cleaning liquid injector unit.

Next, the chassis passing through the chassis rinsing device unit 130 passes through the cleaning solution removing device unit 140 for removing the cleaning liquid present on the surface using high pressure compressed air.

The cleaning solution removing unit 140 is installed behind the chassis rinsing apparatus 130 in the chassis transfer direction on the main frame 100, and includes a compressed air supply unit 141 for supplying compressed air, and the compressed air supply unit ( And a plurality of air knives 144 that blow the compressed air provided by 141 at high pressure and high speed toward the chassis.

The compressed air supply unit 141 includes a blower 142 for sucking and sending air, and the blower 142 is connected to each air knife 144 through an air supply pipe 143.

That is, the plurality of air knives 144 are each supplied with compressed air through the corresponding air supply pipe 143 branched from the compressed air supply unit 141, each of the air knife 144 to spray the supplied compressed air To this end, a plurality of injection nozzles (unsigned) are arranged at predetermined intervals along the longitudinal direction thereof.

The air knife 144 is disposed on the main body frame 100 in a plurality of front and rear positions, respectively, and are installed in the transverse direction of the main body frame 100, respectively, bar compressed air is constant over the entire length It can be injected into the chassis by the air volume and the wind speed.

In the present invention, it is preferable that the air knife 144 is arranged separately on the upper side and the lower side of the chassis moving space, and the compressed air is directed toward the chassis from below and from the top through the injection nozzles installed on the upper and lower air knives. In each air knife, the spray nozzle is installed to face the direction in which the chassis moves.

That is, in the case of the air knife disposed on the upper side, the spraying direction is installed downward so that the compressed air injected at high pressure through the injection nozzles of the respective air knifes 144 may be sprayed on the conveying chassis. In the case of a knife, the spraying direction is installed upward.

In this way, according to the cleaning liquid removing unit 140, the cleaning liquid remaining in the chassis is removed while the compressed air supplied by the operation of the compressed air supply unit 141 is injected with high pressure to the chassis being transferred through the air knife 144. It becomes possible.

Next, the chassis passing through the cleaning liquid removing unit 140 passes through the predrying unit 150 to pre-dry the surface of the chassis using heated air at high pressure and high temperature.

The preliminary drying unit 150 is installed behind the cleaning liquid removing unit 140 in the chassis transfer direction on the main frame 100, the configuration is similar to the configuration of the cleaning liquid removing unit 140, but simply compressed air Unlike the cleaning liquid removing device unit 140 that sprays and washes the cleaning liquid, it is a kind of dryer for supplying high temperature hot air at high pressure and high speed for spraying the surface of the chassis.

The preliminary drying unit 150 is a plurality of blowers 151 for sucking air and sending it out at high pressure and high speed, and in the middle of an air supply pipe connected to the following air knives 154 from the discharge port side of each blower 151. It is configured to include a heater (eg, LEISTER HEATER) 153 is installed, and a plurality of air knife 154 for blowing the high-pressure and high-speed hot air provided through the heater 153 toward the chassis. .

That is, the discharge port of each blower 151 is connected to each air knife 154 through an air supply pipe, the heater 153 is installed in the middle of each air supply pipe, and each blower 151 is connected through the corresponding air supply pipe. When the high pressure and high speed air is sent out, the high pressure and high speed hot air heated through each heater 153 is supplied to the air knife 154.

Each air knife 154 is provided with a plurality of injection nozzles (unsigned) arranged at predetermined intervals along its longitudinal direction in order to spray the supplied hot air into the chassis being transferred.

The air knife 154 is disposed on the main body frame 100 in a plurality of front and rear positions, respectively, are installed in the transverse direction of the main body frame 100, respectively, bar hot air constant air volume over the entire length It can be sprayed into the chassis at high wind speeds.

The air knife 154 is preferably installed separately on the upper side and the lower side of the chassis moving space, through the spray nozzles installed in each of the upper and lower air knife to inject hot air toward the chassis from below, top, each In the air knife, the spray nozzle is installed to face the direction in which the chassis moves.

That is, in the case of the air knife disposed on the upper side, the spraying direction is installed downward so that the hot air injected by the high pressure through the injection nozzles of the respective air knife 154 may be sprayed on the conveying chassis. In this case is installed so that the injection direction is upward.

In this way, according to the pre-drying unit 150, after the high-pressure and high-speed air supplied by the operation of each blower 151 is heated by the heater 153 in the air supply pipe, each air knife 154 It is possible to pre-dry the chassis being transported while spraying through.

As described above, by pre-drying the chassis before the hot air drying, which is the main drying method, to transfer the high speed hot air to the cleaned object, the effect of the hot air drying can be further maximized.

Next, the chassis passing through the preliminary drying unit 150 passes through the hot air drying unit 160 to finally completely dry the surface of the chassis using high pressure and high temperature heated air.

The hot air drying unit 160 is installed on the rear of the pre-drying unit 150 in the chassis transfer direction on the main body frame 100, a plurality of hot air generating unit 161 arranged back and forth along the longitudinal direction of the main body frame (100). It is composed of

Each hot air generating unit 161 is blown by the blower 162 is built in the blower 162 for sucking air and sending it out at high pressure and high speed, and the heater box 163 connected to the outlet side of the blower 162. And a discharge duct 165 connected to the outlet side of the heater box 163 and guiding and discharging the hot air supplied by the heater 164 downward through the heated air. It is configured by.

In each of the hot air generators 161, when the blower 162 is operated to send air, the air is then heated through the heater 164 and then discharged downward through the discharge duct 165 to completely transfer the chassis being transported. It is dried.

Meanwhile, in FIG. 1, reference numeral 170 denotes a control box for operating and controlling the automatic washing apparatus of the present invention, and the control box 170 includes a controller for controlling overall operation of the automatic washing apparatus according to the present invention. 171 is installed.

Figure 4 is a block diagram showing the control relationship of the temperature sensor, controller and main operating elements of the automatic washing apparatus according to the present invention.

The controller 171 controls each operating element included in the automatic cleaning device of the present invention, and more specifically, the first and second driving motors 111 and 114 and the cleaning liquid injection unit 120 in the transfer unit 110. ) And the respective injection pumps 122 and 131 of the chassis rinsing unit 130, each pump and heater of the regeneration unit 128, each blower 151 and the heater 153 of the predrying unit 150, and a hot air drying unit Each blower 162 and heater 164 of 160 are controlled.

In addition, the controller 171 may be configured to control the operation of these devices when other optional devices are added to the automatic cleaning device of the present invention, for example, when a fire extinguishing device or a warning device is installed.

In a preferred embodiment, the controller 171 may be configured to control each operating element by receiving a signal from a plurality of temperature sensing sensors 172a to 175c installed at a predetermined position.

First, as a safety device for cleaning liquid management, the ambient temperature of each position is detected in a cleaning liquid spraying section in which the cleaning liquid spraying unit 120 is installed in the main frame 100, that is, a section in which the cleaning liquid is injected and the chassis being transported is cleaned. A plurality of temperature sensing sensors 172a, 172b, and 172c are installed, and each of these temperature sensing sensors is connected to the controller 171 to enable signal input.

And, the controller 171 receives the temperature at each position in the cleaning liquid injection section from each temperature sensor (172a, 172b, 172c) and automatically stops the operating element of the whole device when the temperature rises above the set value. Activate extinguishing and warning devices, if fitted.

In addition, a plurality of temperatures for detecting the ambient temperature of each position in the hot air drying section in which the preliminary drying device unit 150 and the hot air drying device unit 160 are installed in the main body frame 100, that is, a section in which the hot air is being supplied and the chassis being transported is dried. Sensors 173, 174a, and 174b are installed, and each of these temperature sensors is connected to the controller 171 to enable signal input.

In FIG. 1, reference numeral 173 denotes a temperature detection sensor for detecting a temperature in a section in which the air knife 154 of the preliminary drying unit 150 is installed, and reference numerals 174a and 174b denote hot air generating units of the hot air drying unit 160. 161 is a temperature sensor for detecting a temperature in a section where the temperature is controlled.

In addition, the controller 171 receives the temperature at each position in the hot air drying section from each temperature sensor (173, 174a, 174b) so that the temperature condition in the hot air drying section can be maintained in the set temperature range ( 150 and the operation elements of the hot air dryer unit 160, that is, the operation of each blower (151, 162) and the heater (153, 164) is properly controlled.

Ideally, the set temperature range for controlling the temperature conditions of the hot air drying section is set to a minimum temperature condition for drying, and the temperature required for drying in the hot air drying section through the temperature condition control of the hot air drying section. Conditions can be secured.

In addition, in the heater box 163 installed in each hot air generating unit 161 of the hot air drying unit 160, temperature sensor 175a, 175b, 175c for detecting the temperature of the heater 164 is provided, The temperature sensor is connected to the controller 171 to enable a signal input.

The temperature detection sensors 175a, 175b, and 175c of the heater box 163 are sensors for managing heat quantity necessary for securing temperature conditions in a section where temperature is controlled by the hot air drying device unit 160, and also a hot air drying cabinet. The tooth 160 may be used as a sensor for coping with a heater failure (or malfunction).

That is, the controller 171 receives the temperature of the heater 164 from the temperature sensor 175a, 175b, 175c of each heater box 163 so that the heater does not generate heat at an appropriate level or does not overheat or operate at all. It is possible to automatically stop the operating elements of the whole device.

In this way, in the automatic cleaning device according to the present invention, after the chassis 10, which is the object to be cleaned, is first loaded on the shear inlet side roller 117 of the frame body 100, the chassis is driven by the rollers to operate the frame body. While moving along the path, each section of the cleaning liquid injector unit 120, the chassis rinsing apparatus unit 130, the cleaning liquid removal unit 140, the predrying unit 150, and the hot air drying unit 160 is sequentially passed. After the cleaning and drying, the chassis is unloaded at the rear end of the frame body 100.

As described above, according to another automatic washing apparatus according to the present invention, after the chassis loading, all the washing operations are automatically performed by the components of the chassis cleaning, chassis rinsing, washing liquid removal, preliminary drying, and main drying (hot air drying). do.

As described above, according to the automatic cleaning device for a display device according to the present invention, after the chassis is loaded at the front entrance side of the frame body, the chassis moves along the working path of the frame body to drive the cleaning liquid by driving the transfer unit. Chassis cleaning → Chassis rinsing → Cleaning liquid removal → Pre-drying → Main drying (hot air drying) By being configured to proceed, it is possible to solve the problems of the conventional, that is, the excessive workforce and labor costs, the cost increase, the presence of risks due to the use of chemical cleaning liquid, and to improve productivity by improving the working speed and work efficiency of the cleaning work. There is an advantage.

Claims (15)

A main body frame which is installed and supported at each component part and is formed to be generally elongated to form a transfer path of the chassis, a transfer unit installed along the chassis transfer path of the main body frame to transfer the chassis, and each operation of the apparatus A controller for controlling the element; A cleaning liquid injector unit for spraying the cleaning liquid for cleaning the chassis, a chassis rinsing apparatus unit for removing contaminant cleaning liquid remaining in the chassis, a cleaning liquid removing unit unit for removing the cleaning liquid remaining in the chassis by high-pressure injection of compressed air, and a heater The pre-drying unit unit for pre-drying the chassis by high-pressure injection of the heated air, and the hot air drying unit for discharging the air heated by the heater to the upper side of the chassis and finally dried along the chassis transfer path of the main body frame Chassis automatic cleaning device for a display device, characterized in that. The method according to claim 1, The transfer unit, First and second driving motors installed at intermediate intermediate positions and rear ends of the main body frame to provide rotational force; A plurality of intermediate sprockets installed at each position in the vicinity of each drive motor and along a longitudinal direction of the main frame; A plurality of rollers arranged at equal intervals along the longitudinal direction of the main body frame and transferring the chassis raised upward by rotating; A chain connected between the rotating shaft sprockets of the drive motors, the intermediate sprockets, and the sprockets at each end of the rollers, and configured to transmit the rotational force of each drive motor to rotate the rollers; Chassis automatic cleaning device for a display device, characterized in that the chain drive system configured to include a. The method according to claim 1, The cleaning liquid injector unit, A cleaning liquid storage tank in which the cleaning liquid is stored; A plurality of injection pumps installed at predetermined positions of the main body frame to suck and pump the cleaning liquid of the cleaning liquid storage tank; A plurality of injection pipes installed in the transverse direction of the main body frame in a state supported by the bracket of the main body frame and disposed at predetermined intervals in the longitudinal direction of the main body frame; It is configured to include, a plurality of injection nozzles are installed on the length of each injection pipe, each injection pipe is connected to the injection pump through a branch pipe, the injection liquid pumped by the injection pump to the injection pipe Chassis automatic cleaning device for a display device, characterized in that to be sprayed on the chassis through the injection nozzle of. Claim 4 was abandoned when the registration fee was paid. The method according to claim 3, The spray pipe is a chassis automatic cleaning device for a display device, characterized in that arranged in the upper and lower sides of the chassis transfer space, respectively. Claim 5 was abandoned upon payment of a set-up fee. The method according to claim 1, The cleaning liquid injector unit, A cleaning liquid storage tank in which the cleaning liquid is stored; An injection pump installed at a predetermined position of the main body frame to suck and pump the cleaning liquid of the cleaning liquid storage tank; A plurality of injection pipes installed in the transverse direction of the main body frame in a state supported by the bracket of the main body frame and disposed at predetermined intervals in the longitudinal direction of the main body frame; It is configured to include, a plurality of injection nozzles are installed on the length of each injection pipe, each injection pipe is connected to the injection pump through a branch pipe, the injection liquid pumped by the injection pump to the injection pipe Chassis automatic cleaning device for a display device, characterized in that to be sprayed on the chassis through the injection nozzle of. Claim 6 was abandoned when the registration fee was paid. The method according to claim 5, The spray pipe is a chassis automatic cleaning device for a display device, characterized in that arranged in the upper and lower sides of the chassis transfer space, respectively. The method according to claim 1, The cleaning liquid removal unit, A compressed air supply unit for supplying compressed air; A plurality of air knives disposed in the main body frame in a lateral direction and disposed at predetermined intervals in the longitudinal direction of the main body frame; It is configured to include, a plurality of injection nozzles are installed on the length of each air knife, each air knife is connected to the compressed air supply through an air supply pipe, the compressed air supplied by the compressed air supply Chassis automatic cleaning device for a display device, characterized in that to spray to the chassis through the spray nozzle of the air knife. Claim 8 was abandoned when the registration fee was paid. The method according to claim 7, The air knife is a chassis automatic cleaning device for a display device, characterized in that installed on the upper side and the lower side of the chassis transfer space, respectively. The method according to claim 1, The predrying unit, A plurality of blowers that suck air and send it at high pressure and high speed; A plurality of air knives disposed in the main body frame in a lateral direction and disposed at predetermined intervals in the longitudinal direction of the main body frame; A heater provided in the middle of an air supply pipe connected to each air knife from a discharge port side of each blower; And a plurality of injection nozzles are installed on the lengths of the respective air knives, such that the air supplied by each blower is heated through the heaters and then sprayed into the chassis through the injection nozzles of the air knives. Chassis automatic cleaning device for a display device, characterized in that. Claim 10 was abandoned upon payment of a setup registration fee. The method according to claim 9, The air knife is a chassis automatic cleaning device for a display device, characterized in that installed on the upper side and the lower side of the chassis transfer space, respectively. The method according to claim 1, The hot air drying unit is composed of a plurality of hot air generating unit disposed along the chassis transfer path on the body frame, each hot air generating unit, A blower that sucks air and sends it out at high pressure and high speed; A heater which is built in a heater box connected to an outlet side of the blower and passes through the air blown by the blower to be heated and supplied; A discharge duct connected to an outlet side of the heater box and guiding and discharging hot air supplied by the heater downward from an upper side of the chassis transfer space; Chassis automatic cleaning device for a display device, characterized in that comprises a. Claim 12 was abandoned upon payment of a registration fee. The method according to claim 1, In the main frame, a plurality of temperature sensing sensors are installed in the cleaning liquid spraying section in which the cleaning liquid spraying unit is installed, and the temperature sensing sensors are connected to enable the signal input to the controller, so that the controller detects the cleaning liquid by each temperature sensing sensor. When the temperature in the injection section rises above the set value Chassis automatic cleaning device for display device, characterized in that to automatically stop the operating element of the entire device. Claim 13 was abandoned upon payment of a registration fee. The method according to claim 1, In the main frame, a plurality of temperature sensors are installed in a hot air drying section in which a preliminary dryer unit and a hot air dryer unit are installed, and each of these temperature sensors is connected to the controller to enable a signal input. And an operating element of the pre-drying unit and the hot-air drying unit so as to maintain a temperature in a hot-air drying section based on a signal. Claim 14 was abandoned when the registration fee was paid. The method according to claim 1, A temperature sensing sensor for detecting a temperature of a heater is installed in a heater box in which each heater of the hot air drying unit is installed, and each of the temperature sensing sensors is connected to enable the signal input to the controller, so that the controller is defective or malfunctions. Chassis automatic cleaning device for a display device, characterized in that to automatically stop the entire operating element. Claim 15 was abandoned upon payment of a registration fee. The method according to claim 1, The lower part of the main body frame in the section in which the cleaning liquid spraying unit and the chassis rinsing device unit is installed, the chassis automatic cleaning device for a display device, characterized in that the liquid receiver for collecting the cleaning liquid flowing after the injection.

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