JP3069861U - Cleaning equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To reduce swirling and turbulence of air in a cleaning apparatus for cleaning an object to be cleaned by a flow of air. SOLUTION: A filter 29 provided at an upper part of a washing chamber 20 filters outside air and guides the outside air into the washing chamber 20, and a curved plate 25 is provided.
In the process of guiding the air filtered by the filter 29 into the cleaning chamber 20, the flow of the air is gradually expanded, so that the generation of the vortex and the turbulent flow of the air can be reduced. Therefore, when the person 70 is washed, foreign matter such as dust, dust, ash, and insects separated from the person 70 by washing enters the eyes, nose, mouth, ears, and the like of the person 70 due to swirling or turbulent air flow. Can be reduced.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a cleaning device using an air flow, and more particularly to a technology that can reduce the generation of eddy currents and turbulent air flow when removing dust, dust, and the like attached to an operator or the like by an air flow.

[0002]

[Prior art]

 High concentrations of dust, dust, etc. are generated in stone, pottery, carbon, cement, etc. manufacturing and waste incineration plants. For this reason, workers who work in these manufacturing plants and garbage incineration plants are exposed to high concentrations of dust, dust, etc., and maintaining the health of these workers becomes a problem. For this reason, a washing device that removes dust, dust and the like attached to an operator by a jet of air has conventionally been used. FIG. 5 shows an outline of the cleaning apparatus. In FIG. 5, a conventional cleaning device 80 includes a cleaning chamber 81 and a filtration chamber 82. A partition 83 separates the washing chamber 81 and the filtration chamber 82.

[0003] A first filter 84 is attached to a lower portion of the partition plate 83 on the left side in the figure. A first sirocco fan 85 is provided in the filtration chamber 82 at a position corresponding to the first filter 84. For this reason, the air in the cleaning chamber 81 is sucked by the first sirocco fan 85, filtered by the first filter 84, flows in the direction of the arrow 84x, enters the first sirocco fan 85, and The air is discharged from the sirocco fan 85 in the direction of the arrow 85x, further filtered by the second filter 86, and discharged from the second filter 86 in the direction of the arrow 86x.

Similarly, a third filter 87 is attached to the lower part of the partition plate 83 on the right side in the figure. A second sirocco fan 88 is provided in the filtration chamber 82 at a position corresponding to the third filter 87. For this reason, the air in the cleaning chamber 81 is sucked by the second sirocco fan 88, filtered by the third filter 87, flows in the direction of the arrow 87x, enters the second sirocco fan 88, and It is discharged from the sirocco fan 88 in the direction of the arrow 88x, filtered by the fourth filter 89, and discharged from the fourth filter 89 in the direction of the arrow 89x.

The air filtered by the second filter 86 and the air filtered by the fourth filter 89 are guided to a first outlet 91 to an eighth outlet 98 fixed to a partition plate 83. . The air blown out from the first outlet 91 is blown out in the direction between the arrows 91x and 91y. Similarly, in the second to eighth outlets 92 to 98, the direction of the blown air is a direction between arrows 92x to 98x and arrows 92y to 98y. In this case, the diameter of the first to eighth outlets 91 to 98 is 30 mm, and the speed of the air blown out from the first to eighth outlets 91 to 98 is as high as about 25 m / s. is there.

[0006]

[Problems to be solved by the invention]

 However, in the conventional cleaning device 80, for example, the air blown out from the outlet 93 and the air blown out from the outlet 94 collide with each other and generate a vortex or a turbulent flow. Further, the air blown out from the outlet 95 and the air blown out from the outlet 96 collide with each other to generate a vortex or a turbulent flow. In FIG. 5, these eddies and turbulences are generated near the head 101 of a person 100 such as an operator to be cleaned. Dust, dust, etc., sprayed by these eddies or turbulent flows may enter the mouth, eyes, ears, etc. of the person 100. This condition is dangerous for the person 100 being cleaned in the cleaning room 81. Therefore, an object of the present invention is to provide a cleaning apparatus capable of reducing the generation of a vortex or a turbulent flow in a cleaning chamber for cleaning an object to be cleaned by a flow of air.

[0007]

[Means for Solving the Problems]

 In order to solve the above-mentioned problem, the configuration of the first invention according to the present application is as described in claim 1. According to the configuration of the first invention, a discharge port for discharging air after cleaning the object to be cleaned in the cleaning chamber is provided at a lower portion of the cleaning chamber, and a blower connected to the discharge port sucks air in the cleaning chamber. The first filter provided at the top of the cleaning chamber filters the outside air and guides the outside air into the cleaning chamber. In the process of guiding the air filtered by the first filter into the cleaning chamber, the curved plate gradually widens the flow of the air, so that the first filter having an area smaller than the air flow in the cleaning chamber. By using the turbulence, it is possible to reduce the generation of vortex and turbulence of the air in the cleaning chamber. Furthermore, since the air in the cleaning chamber flows downward from above, foreign substances such as dust, dust, ash, and insects separated from the object to be cleaned by the cleaning are carried downward, so that the foreign substances can be easily taken out of the cleaning chamber. become.

[0008] Further, the configuration of the second invention is as described in claim 2. According to the configuration of the second invention, in addition to the operation of the configuration of the first invention, a second filter for filtering air passing through the blower is provided, and the air filtered by the second filter is washed. Since the blow-out pipe to be introduced into the room is provided at the center of the first filter, the air blown out from the blow-out pipe is supplied to the air flow with little eddy or turbulent air sucked by the first filter. Therefore, the air blown out from the blow-out pipe also has less eddy current and turbulence. For this reason, when washing a person, clean, low-eddy or turbulent air is flown through the head and face of the most important part of the human body to be washed, and foreign matter sprayed by the eddy current or turbulent flow is reduced. The eyes, mouth, nose, ears, etc. can be reduced. Further, the air after washing the object to be washed in the washing room with this flow of air is filtered by the second filter, and the filtered air is blown out to the washing room, so that the air used for washing can be reused. Can be planned. For this reason, the amount of air sucked into the cleaning chamber from outside the cleaning chamber can be reduced by the first filter.

Further, the configuration of the third invention is as described in claim 3. According to the configuration of the third invention, in addition to the operation of the configuration of the first or second invention, the wind direction rectification unit is provided on the leeward side of the first filter. The direction in which air is blown into the chamber can be freely adjusted to make it easier for the air flow to hit the object to be cleaned. For this reason, cleaning can be performed efficiently.

[0010] Further, the configuration of the fourth invention is as described in claim 4. According to the configuration of the fourth invention, in addition to the operation of the configuration of the second invention, the duct for sending the air filtered by the second filter into the cleaning chamber is provided with a damper for adjusting the air volume, thereby cleaning the duct. The amount of air sent into the room can be adjusted.

[0011] Further, the configuration of the fifth invention is as described in claim 5. According to the configuration of the fifth invention, the action of the first, second, third or fourth invention can be effectively performed, and the details of the object to be cleaned can be efficiently cleaned by the air gun provided in the cleaning chamber. .

Further, the configuration of the sixth invention is as described in claim 6. According to the configuration of the sixth aspect of the present invention, the function of the first, second, third or fourth aspect of the present invention and the flexible hose for blowing out the compressed air provided in the cleaning chamber are provided with the pressure of the compressed air. Therefore, the vibration of the flexible hose makes it possible to efficiently clean the details of the object to be cleaned.

[0013]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows an outline of the internal structure of the cleaning apparatus according to an embodiment of the present invention as viewed from the front, and FIG. 2 shows an outline of the internal structure of the cleaning apparatus shown in FIG. 1 as viewed from the right side.

As shown in FIG. 1, the cleaning apparatus 10 includes a cleaning chamber 20 and a filtration chamber 40. An outer wall (including a ceiling portion) 11 and a floor 14 form an outer shell of the cleaning device 10. The cleaning chamber 20 is the right part of the first partition 12 in the cleaning device 10 as shown in the drawing, and the filtration chamber 40 is the left part of the first partition 12 in the cleaning device 10 in the drawing. An inlet 12 a is formed below the first partition 12. A second partition 13 is formed in the filtration chamber 40 in parallel with the first partition 12, and a suction port 13 a is formed in the second partition 13. The gap between the first partition 12 and the second partition 13 is a ventilation path through which air passes through the suction port 12a and the suction port 13a.

As shown in FIG. 2, a door 32 is provided so as to open and close the entrance 20 a of the cleaning chamber 20. 32a is a handle of the door 32. A limit switch 21 for detecting that the door 32 is closed is provided in the cleaning chamber 20. An air pipe 22 connected to a not-shown compressed air source (for example, an air compressor) is provided at a location (in the back of the cleaning chamber 20) away from the door 32 in the cleaning chamber 20. An air gun 23 and five flexible hoses 24 a, 24 b, 24 c, 24 d, 24 e (with an inner diameter of about 5 to 10 mm) are connected to the air pipe 22. The air gun 23 blows out compressed air from a nozzle, and the distal ends of the flexible hoses 24a to 24e vibrate by the pressure of the compressed air when blowing out the compressed air. The air gun 23 operates when the person 70 to be cleaned operates a lever (not shown) provided on the air gun 23. When the person 70 to be cleaned operates a valve (not shown) provided on the air pipe 22, the flexible hoses 24a to 24e operate.

As shown in FIG. 1, a wind direction rectifying plate 28 is provided on the ceiling of the washing room 20, and a filter 29 for simple filtration is provided so as to cover the upper side (outside) of the wind direction rectifying plate 28. I have. The wind direction rectifying plate 28 is for manually adjusting the wind direction, and is an example of the “wind direction rectifying section” in the claims of the present invention. The filter 29 is an example of the “first filter” in the claims for utility model registration, and can remove dirt from outside air. A quadrangular cylindrical curved plate 25 whose upper and lower surfaces are open is disposed above the cleaning chamber 20. A wind direction rectifying plate 28 and a filter 29 are arranged in the upper opening of the curved plate 25. The space surrounded by the curved plate 25 gradually widens downward. Therefore, by the operation of the blower 41 described later, the flow of the air sucked into the cleaning chamber 20 through the filter 29 and the wind direction rectifying plate 28 gradually spreads from the upper part to the lower part along the curved plate 25. Therefore, it is possible to reduce the generation of the vortex and the turbulence of the air in the cleaning chamber 20.

The outlet pipe 27 of the duct 26 is provided so as to pass through the center of the wind direction rectifying plate 28 and the filter 29. The blow-out pipe 27 blows out the air sent in the direction of the arrow 26 a by the duct 26 into the washing chamber 20, and is formed in a conical trumpet shape slightly larger than the head 71 of the person 70. In this case, the blow angle of the blow pipe 27, the spread angle of the jet of the blown air, and the wind speed are important, and the best numerical values can be experimentally obtained. The cover 31 is disposed above the filter 29, and a space between the cover 31 and the filter 29 is a ceiling suction unit 30. The inside of the cover 31 is a bowl-shaped portion 31a. For this reason, the water droplets and the like attached to the bowl-shaped portion 31a descend along the inner surface 31b of the bowl-shaped portion 31a, so that the water droplets and the like can be prevented from dropping onto the filter 29. Furthermore, the cover 31 prevents dust and the like from dropping onto the filter 29 when the cleaning device 10 is stopped, and reduces the resistance of the filter 29 to suck air by the bowl-shaped portion 31a.

A grating 33 is provided as a floor member of the cleaning chamber 20. A conveyor 35 is provided below the grating 33. The conveyor 35 is for transporting foreign substances such as dust, dust, ash, and insects that have fallen from the person 70 by washing and fall from the gaps of the grating 33 toward the rubber stopper 34. As described above, the gap between the first partition 12 and the second partition 13 serves as a passage for the air containing the foreign matter, and the rubber stopper 34 is provided so as to close the lower end of the air passage. .

A control box 36 is embedded in the wall of the cleaning chamber 20 (see FIG. 2). A control circuit 37 is provided in the control box 36 (see FIG. 3). The limit switch 21 is connected to a control circuit 37. In order to carry the foreign matter, the conveyor 35 is controlled by the control circuit 37 and rotates in the direction of an arrow 35a (see FIG. 1). The control circuit 37 includes a first timer for determining the operation time of the motor 42 described later and a second timer for determining the time for opening the valves 61a, 62a and 63a described later.

The blower 41 is disposed above the filtration chamber 40. The rotation shaft of the motor 42 for the blower 41 is connected to the rotation shaft 41 d of the blower 41. The inlet 41a of the blower 41 faces downward. The fan 41c is fixed to a rotating shaft 41d of the blower 41. FIG. 4 shows a plane of the blower 41. In FIG. 4, air is blown in the direction of arrow 41e from a lateral outlet 41b of the blower 41. Therefore, when the rotating shaft of the motor 42 rotates, the blower 41 sucks air from the downward inlet 41a and blows air from the lateral outlet 41b.

As shown in FIG. 1, a first chrysanthemum-shaped filter 43, a second chrysanthemum-shaped filter 44, and a third chrysanthemum-shaped filter 44 are used to filter air sent from the washing chamber 20 to the filtration chamber 40. Shaped filters 45 are arranged in the filter chamber 40 in parallel. The “chrysanthemum filter” here is a filter with a flat cross section of a chrysanthemum shape. The air filtered by the first chrysanthemum filter 43, the second chrysanthemum filter 44, and the third chrysanthemum filter 45 is sucked into the inlet 41a of the blower 41.

The hopper 46 is disposed below the first to third chrysanthemum-shaped filters 43, 44, 45. The receiving bag 50 for dust and the like is attached to the opening 46a at the lower end of the hopper 46 by a band 51 for fastening the bag. A damper 48 for maintaining airtightness is mounted so as to open and close the opening 46a. To seal the gap between the closed damper 48 and the opening 46a, a ring-shaped rubber packing 49 is fixed to the opening 46a.

The main body 47 a of the air cylinder 47 is attached to the hopper 46. The rod 47b of the air cylinder 47 is connected to an arm 47d fixed to a damper 48 for maintaining airtightness. The connection between the arm 47d and the rod 47b is in a state where the angle between the arm 47d and the rod 47b can be changed according to the operation of the air cylinder 47. The direction of the entire air cylinder 47 or the direction of the rod 47b can be changed according to the operation of the air cylinder 47. FIG. 1 shows a state in which the rod 47b of the air cylinder 47 is moved in the direction of the arrow 47c under the control of the control circuit 37 (or manually), and the damper 48 for keeping airtightness is closed. In this state, when the rod 47b moves in the direction opposite to the arrow 47c under the control of the control circuit 37 (or manually), the airtight holding damper 48 is opened as shown by the two-dot chain line.

A high-performance filter 52 is provided above the filtration chamber 40. The air blown from the outlet 41 b of the blower 41 is filtered by the filter 52 and sent to the duct 26. In this embodiment, the filtering efficiency of the filter 52 is 99.97% for dust having a size of 0.3 μm. The first to third chrysanthemum-shaped filters 43 to 45 and the high-performance filter 52 are examples of the “second filter” in the claims of the present invention. By operating the damper 54 for adjusting the air volume of the duct 26 provided at the inlet of the duct 26, a part of the air filtered by the filter 52 is discharged from the discharge port 53 to the outside of the filtration chamber 40. ing. Note that the damper 54 may be manually operated.

An air pipe 60 connected to a compressed air source such as the air compressor is disposed below the blower 41, and a first nozzle 61, a second nozzle 62, and a third nozzle 63 are connected to the air pipe 60. I have. The tip of the first nozzle 61 faces the inside of the first chrysanthemum filter 43, the tip of the second nozzle 62 faces the inside of the second chrysanthemum filter 44, and the third The tip of the nozzle 63 faces the inside of the third chrysanthemum filter 45.

As shown in FIG. 2, when a person 70 such as an operator opens the door 32 and enters the cleaning room 20 and closes the door 32, the limit switch 21 operates. When the limit switch 21 operates, the control circuit 37 controls the motor 42 to rotate for a predetermined time. The blower 41 operates by the rotation of the motor 42. As described above, the air discharged from the outlet 41b of the blower 41 is filtered by the high-performance filter 52, a part of which is discharged to the outside from the discharge port 53, and the other air passes through the duct 26, The air is blown from the blowing pipe 27 toward the head 71 of the person 70 in the cleaning chamber 20.

At the same time, the air (secondary air) filtered from the simple filtration type filter 29 installed on the ceiling in the cleaning room 20 is adjusted in wind direction by the wind direction rectifying plate 28, and the curved surface plate 25 has a smooth curved surface. It flows downward while spreading gradually along. Therefore, the vertical flow of air from above to below hits the entire body of the person 70. For this reason, in the cleaning room 20 (especially, in the vicinity of the head 71 of the person 70), eddy currents and turbulent air flows can be reduced.

The motor 42 serves as a power source for the flow of air in the cleaning device 10. In consideration of the economy of the output of the motor 42, in order to reduce the air sucked from the filter 29 and further increase the wind speed in the cleaning chamber 20, the width of the filter 29 is set to be about the shoulder width of the person 70. However, in the cleaning room 20, the foreign matter is blown away by the air gun 23 from the foreign matter that is easily and easily peeled off by a person 70 (for example, stains on work shoes). Further, in places that cannot be reached, such as the back of the person 70, the foreign matter is knocked off by the vibration force of the flexible hoses 24a to 24e. For this reason, the cleaning room 20 needs a certain space for the air gun 23 and the flexible hoses 24a to 24e.

As described above, for example, high-concentration foreign substances (dust, ash, insects, etc.) adhering to the person 70 are air blown out from the blowout pipe 27 and the filter 29 into the cleaning chamber 20 or arbitrarily used. The air gun 23 and the flexible hoses 24a to 24e are separated from the person 70 and dropped. The foreign matter dropped from the person 70 is sucked downward from the gap between the gratings 33 at the feet of the person 70, falls on the conveyor 35, is conveyed by the conveyor 35, is stopped by the rubber stopper 34, and is stopped by the second stop. Is sucked into the suction port 13a of the partition wall 13. However, fine and light objects are conveyed from the suction port 12a of the first partition 12 to the suction port 13a without passing through the grating 33.

When the chrysanthemum-shaped filters 43, 44, and 45 have a constant dust-containing concentration and are clogged, the dust-absorbing ability decreases. Therefore, normally, the control circuit 37 controls the valve 61a of the first nozzle 61, the valve 62a of the second nozzle 62, and the valve 63a of the third nozzle 63 (see FIG. 3) to stop the motor 42. During a certain period of time thereafter, compressor air (for example, with a pressure of 5 kg / cm ² ) is blown from the nozzles 61, 62, 63 into the interior of the chrysanthemum-shaped filters 43, 44, 45, and the foreign substances are filtered out of the chrysanthemum-shaped filter. It blows down from the inside of 43,44,45 outside. The foreign matter blown down from the chrysanthemum-shaped filters 43, 44, 45 falls into the hopper 46. The air cylinder 47 is operated by the control circuit 37 (or manually) to open the damper 48 for maintaining the airtightness, drop the foreign matter into the receiving bag 50, and then close the damper 48.

When taking out the receiving bag 50, the band 51 for tightening the bag is loosened, the upper portion of the receiving bag 50 is pinched, and the receiving bag 50 is taken out from the filtration chamber 40 so that dust and the like do not wind up. Incidentally, a cylinder of oxygen or the like may be added to the inside of the filtration chamber 40, and oxygen or the like in the cylinder may be added to the air blown into the washing chamber 20 from the blowing pipe 27 through the duct 26. Although the person 70 to be washed is shown in an upright state, the person 70 to be washed may be in a squat state or a lying state.

[0032]

[Effect of the invention]

 According to the cleaning device of the first invention of the present application, in the process of guiding the air filtered by the first filter into the cleaning chamber, the curved plate gradually widens the flow of the air. By using the first filter having an area smaller than that of the air flow, it is possible to reduce the generation of the vortex and the turbulence of the air in the cleaning chamber. Further, since the air in the cleaning chamber flows downward from above, the foreign matter separated from the object to be cleaned by the cleaning is carried downward, so that the foreign matter can be easily taken out of the cleaning chamber. For this reason, the foreign matter sprayed by the eddy current or the turbulent flow can be reduced from entering the eyes, mouth, nose, ears, etc. of the person to be cleaned, thereby improving the safety of the person to be cleaned. be able to.

Further, with the cleaning device according to the second invention, together with the effect of the first invention, an outlet pipe for introducing the air filtered by the second filter into the cleaning chamber is provided at the center of the first filter. Since the air blown out of the blow-out tube is surrounded by the air flow of the first filter having a small turbulence or turbulence, the air blown out of the blow-out tube also has a vortex flow or a turbulence. The flow is reduced. For this reason, when cleaning a person, the clean and low eddy or turbulent air flows through the head and face of the most important part of the human body to be cleaned. Can be reduced from entering the eyes, mouth, nose, and ears of a person. Further, the air after washing the object to be washed in the washing room with this flow of air is filtered by the second filter, and the filtered air is blown out to the washing room, so that the air used for washing can be reused. Can be planned. For this reason, the amount of air sucked into the cleaning chamber from outside the cleaning chamber can be reduced by the first filter.

Further, with the cleaning device according to the third invention, the wind direction rectification unit is provided on the leeward side of the first filter together with the effect of the first or second invention. The direction in which air is blown out from the filter to the cleaning room can be freely adjusted to make it easier for the air flow to hit the object to be cleaned. For this reason, cleaning can be performed efficiently.

Further, with the cleaning device according to the fourth invention, in addition to the effect of the second invention, by providing a damper for adjusting the air volume in the duct for sending the air filtered by the second filter into the cleaning chamber. The amount of air sent into the cleaning chamber can be adjusted by the duct.

Further, according to the cleaning device of the fifth invention, in addition to the effects of the first, second, third or fourth invention, the details of the object to be cleaned can be efficiently reduced by the air gun provided in the cleaning chamber. Can be cleaned well. For this reason, it is possible to efficiently remove dirt and the like from human shoes.

Further, with the cleaning apparatus according to the sixth invention, the effect of the first, second, third or fourth invention and the details of the object to be cleaned are reduced by the vibration of the flexible hose provided in the cleaning chamber. It can be washed efficiently. For this reason, it is possible to efficiently remove dirt from parts that cannot be reached by humans, such as the back of human clothes.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an outline of an internal structure of a cleaning apparatus according to an embodiment of the present invention as viewed from the front.

FIG. 2 is an explanatory view schematically showing an internal structure of the cleaning device shown in FIG. 1 as viewed from a right side surface.

FIG. 3 is a block diagram schematically showing a control system of the cleaning apparatus shown in FIG.

FIG. 4 is a plan view of a blower of the cleaning device shown in FIG.

FIG. 5 is an explanatory view schematically showing an internal structure of a conventional cleaning apparatus as viewed from the front.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Cleaning apparatus 12a Suction port 20 Cleaning chamber 23 Air gun 24a-24e Flexible hose 25 Curved plate 26 Duct 27 Blowing pipe 28 Wind direction rectifying plate 29 Filter for simple filtration 33 Grating 40 Filter room 41 Blower 43, 44, 45 Chrysanthemum type filter 52 High-performance filter 53 Discharge port 54 Damper 70 Person to be cleaned

Claims (6)

[Utility model registration claims] 1. A first filter is provided at an upper portion of a cleaning chamber to filter outside air and guide the air to the cleaning chamber. In a process of guiding air filtered by the first filter into the cleaning chamber, a flow of the air is reduced. A curved plate that gradually widens, a discharge port for discharging air after cleaning the object to be cleaned in the cleaning chamber is provided at a lower portion of the cleaning chamber, and a blower that sucks air in the cleaning chamber is the discharge port. A washing device connected to a washing machine. 2. A second filter for filtering air sent by the blower is provided, and an outlet pipe for introducing the air filtered by the second filter into the cleaning chamber is provided at a central portion of the first filter. The cleaning device according to claim 1, wherein the cleaning device is provided. 3. The cleaning device according to claim 1, wherein a wind direction rectification unit is provided on a leeward side of the first filter. 4. The cleaning device according to claim 2, wherein a damper for adjusting an air volume is provided in a duct for sending the air filtered by the second filter to the outlet pipe. 5. The cleaning apparatus according to claim 1, wherein an air gun for blowing compressed air from a nozzle is provided in the cleaning chamber. 6. The cleaning apparatus according to claim 1, wherein a flexible hose for blowing compressed air is provided in the cleaning chamber.