Laminar flow clean air supply device for clean room

Abstract

The utility model discloses a laminar flow clean air supply device for a clean room, which comprises a box body, an air outlet is arranged at the top of the box body, a filter screen is arranged below the box body, a fan is arranged at the upper part in the box body, a pore plate is arranged in the box body, and the laminar flow clean air supply device for the clean room further comprises a detection device, the box body is arranged in the box body; and the driving device is arranged on the outer side of the box body. The laminar flow clean air supply device for the clean room relates to the technical field of clean rooms, can automatically detect whether the filter screen is blocked or not through cooperation of the box body, the filter screen, the detection device, the driving device and the cleaning device, and can automatically clean once the filter screen is blocked, so that the cleaning efficiency is improved. According to the invention, a worker does not need to regularly carry out maintenance operation, so that the operation intensity of the worker can be reduced, the time required for maintenance can be shortened, and convenience is brought to the use of the worker.

Description

Technical Field

[0001] The utility model relates to the technical field of clean rooms, in particular to a laminar clean air supply device for a clean room. Background Art

[0002] A clean room refers to a well-sealed space where parameters such as air cleanliness, temperature, humidity, pressure, and noise are controlled as required.

[0003] When supplying air to a clean room, it is necessary to filter and remove impurities such as dust in the air, thereby preventing dust in the outside air from entering the clean room through the air supply port. In order to ensure the working quality of the air supply device, the staff needs to clean it regularly;

[0004] When using traditional air supply devices, since they do not have blockage detection devices, staff are required to clean them regularly, which increases the workload of staff. Moreover, when cleaning, staff need to remove the filter before cleaning, which makes the operation more difficult and takes a long time, resulting in low work efficiency and inconvenience for staff. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a laminar clean air supply device for a clean room, which solves the problem that the traditional air supply device does not have a blockage detection device during use, and therefore needs to be cleaned regularly by the staff, which increases the workload of the staff. Moreover, when cleaning, the staff needs to remove the filter before cleaning, which makes the operation more difficult and the work takes a long time, resulting in low work efficiency and inconvenience for the staff.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a laminar clean air supply device for a clean room, comprising a box body, an air outlet is arranged on the top of the box body, a filter is installed at the bottom of the box body, a fan is installed on the upper part of the interior of the box body, and a perforated plate is installed inside the box body. The laminar clean air supply device for a clean room also includes: a detection device, which is arranged inside the box body; a driving device, which is arranged on the outside of the box body; a cleaning device, which is arranged on the outside of the box body; and a collecting device, which is installed at the bottom of the box body; wherein the detection device can detect whether the filter is blocked, and then the cleaning device can be driven by the driving device to clean the surface of the filter, and the cleaned dust falls into the inside of the collecting device.

[0007] Preferably, the detection device includes: a first support plate installed on the upper interior of the box; a vertical rod installed on the bottom of the first support plate; a sleeve sleeved on the outer wall of the vertical rod; a spring sleeved on the outer wall of the vertical rod and tightly against the top of the sleeve; a plug plate installed on the bottom of the sleeve; a second support plate installed on the lower interior of the box and fits against the bottom of the plug plate; a switch installed in the groove of the second support plate and tightly against the bottom of the plug plate; a controller arranged on one side of the box and electrically connected to the switch; wherein the spring can drive the sleeve to move along the outer wall of the vertical rod, and then trigger the switch to turn on the controller through the plug plate.

[0008] Preferably, the driving device includes: a top plate, installed above the outer wall of the box body and detachably connected to the controller; a servo motor, installed on the top of the top plate; a first ring plate, installed on the inner wall of the top plate; a first gear, installed above the inner wall of the first ring plate; a second gear, meshing with the outer wall of the first gear and detachably connected to the output end of the servo motor; a limit rod, inserted into the inner wall of the first ring plate and fixedly connected to the bottom of the top plate; wherein the servo motor can drive the first gear through the second gear to drive the first ring plate to rotate, and then can drive the cleaning device to clean the filter.

[0009] Preferably, the cleaning device includes: a second ring plate, threadedly connected to the inner wall of the first ring plate; a plurality of brushes, equidistantly installed in a ring shape on the inner wall of the second ring plate; and fit with the outer wall of the box; wherein the second ring plate can drive the brush to clean the filter.

[0010] Preferably, the collecting device comprises: a collecting box disposed below the box body; a support rod installed at the bottom of the inner wall of the collecting box and detachably connected to the bottom of the box body; wherein the collecting box can collect dust cleaned by the cleaning device. Beneficial Effects

[0011] The utility model provides a laminar clean air supply device for a clean room. It has the following beneficial effects: the laminar clean air supply device for a clean room can automatically detect whether the filter is blocked through the cooperation of a box, a filter, a detection device, a driving device and a cleaning device, and can automatically clean it once it is blocked, without the need for regular maintenance work by the staff, thereby reducing the work intensity of the staff and the time required for maintenance, thereby bringing convenience to the staff;

[0012] Through the cooperation of the collecting device, the cleaned dust can be collected to the greatest extent, which is convenient for the subsequent processing work of the staff and prevents the dust from falling directly on the ground, thereby reducing the difficulty of subsequent processing by the staff and facilitating the use of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A cross-sectional view of

[0015] Figure 3 for Figure 2 Schematic diagram of the structure of the middle box, fan and servo motor;

[0016] Figure 4 for Figure 2 Schematic diagram of the structure of the middle box, top plate and first ring plate.

[0017] In the figure: 1. box body, 2. detection device, 201. first support plate, 202. vertical rod, 203. spring, 204. sleeve, 205. plug plate, 206. second support plate, 207. switch, 208. controller, 3. driving device, 301. first ring plate, 302. first gear, 303. second gear, 304. top plate, 305. servo motor, 306. limit rod, 4. cleaning device, 401. second ring plate, 402. brush, 5. collecting device, 501. collecting box, 502. support rod, 6. filter, 7. fan, 8. air outlet, 9. orifice plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0020] When the traditional air supply device is in use, since it does not have a blockage detection device, the staff needs to clean it regularly, which increases the work intensity of the staff. In addition, when cleaning, the staff needs to remove the filter before cleaning, which makes the operation more difficult and takes a long time, resulting in low work efficiency and inconvenience for the staff.

[0021] In view of this, the utility model provides a laminar clean air supply device for a clean room. Through the cooperation of a box body, a filter screen, a detection device, a driving device and a cleaning device, it can automatically detect whether the filter screen is blocked, and once blocked, it can be automatically cleaned. There is no need for staff to perform maintenance work regularly, thereby reducing the work intensity of the staff and the time required for maintenance, which brings convenience to the staff.

[0022] Embodiment 1: By Figure 1 , 2 , 3 and 4 show that a laminar clean air supply device for a clean room includes a box body 1, an air outlet 8 is arranged on the top of the box body 1, a filter screen 6 is installed at the bottom of the box body 1, the mesh number of the filter screen 6 is not specifically limited, and it can meet the use requirements, a fan 7 is installed on the top of the box body 1, and the model of the fan 7 is HG-HF-150P. A perforated plate 9 is installed inside the box body 1. The laminar clean air supply device for a clean room also includes: a detection device 2, which is arranged inside the box body 1; a driving device 3, which is arranged on the outside of the box body 1; a cleaning device 4, which is arranged on the outside of the box body 1; a collecting device 5, which is installed at the bottom of the box body 1; wherein the detection device 2 can detect whether the filter screen 6 is blocked, and then the cleaning device 4 can be driven by the driving device 3 to clean the surface of the filter screen 6, and the cleaned dust falls into the inside of the collecting device 5;

[0023] In the specific implementation process, it is worth pointing out that a desiccant is filled below the orifice plate 9. The material of the desiccant is not specifically limited as long as it meets the use requirements. The fan 7 can draw the air outside the box 1 into the inside of the box 1 through the filter 6, and then introduce it into the room from the air outlet 8. The detection device 2 can detect whether the filter 6 is blocked, and then the cleaning device 4 is driven by the driving device 3 to clean the filter 6. Then, the cleaned dust can fall into the inside of the collecting device 5 to the greatest extent for collection;

[0024] Specifically, when using the laminar clean air supply device for a clean room, the staff first turns on the external power supply of the fan 7. At this time, the fan 7 can introduce the outside air into the interior of the box 1 through the filter 6, and then adsorb it in advance through the desiccant under the orifice plate 9, and then introduce it into the room through the air outlet 8. The detection device 2 can detect whether the filter 6 is blocked, and then control the driving device 3 to drive the cleaning device 4 to clean the filter 6, and the cleaned dust falls into the interior of the collecting device 5, and the work is completed at this time.

[0025] Embodiment 2: By Figure 2 It can be seen that the detection device 2 includes: a first support plate 201, installed on the upper part of the interior of the box body 1; a vertical rod 202, installed on the bottom of the first support plate 201; a sleeve 204, sleeved on the outer wall of the vertical rod 202; a spring 203, sleeved on the outer wall of the vertical rod 202, and tightly against the top of the sleeve 204; a plug plate 205, installed on the bottom of the sleeve 204; a second support plate 206, installed on the lower part of the interior of the box body 1, and fit with the bottom of the plug plate 205; a switch 207, installed in the groove of the second support plate 206, and tightly against the bottom of the plug plate 205; a controller 208, the model of the controller 208 is not specifically limited, and it can meet the use requirements. It is arranged on the upper side of the box body 1 and is electrically connected to the switch 207; wherein the spring 203 can drive the sleeve 204 to move along the outer wall of the vertical rod 202, and then trigger the switch 207 through the plug plate 205 to turn on the controller 208;

[0026] In the specific implementation process, it is worth pointing out that when the filter screen 6 is clogged, the elastic force of the spring 203 can drive the sleeve 204 to move along the outer wall of the vertical rod 202, so that the plug plate 205 triggers the switch 207, and then turns on the controller 208, and the controller 208 can control the driving device 3 to drive the cleaning device 4 to clean the filter screen 6;

[0027] Specifically, based on the above-mentioned embodiment 1, as the work proceeds, when the wind force is less than the elastic force of the spring 203, the spring 203 drives the sleeve 204 to move along the outer wall of the vertical rod 202, and then drives the plug plate 205 to trigger the switch 207. At this time, the switch 207 can turn on the controller 208, and then the controller 208 can control the driving device 3 to drive the cleaning device 4 to clean the filter 6.

[0028] Embodiment 3: By Figure 1 , 2, 3 and 4 show that the driving device 3 includes: a top plate 304, which is installed above the outer wall of the box body 1 and is detachably connected to the controller 208; a servo motor 305, the model of the servo motor 305 is Z5BLD100-24GU-30S / 5GU30KB, which is installed on the top of the top plate 304; a first ring plate 301, which is installed on the inner wall of the top plate 304; a first gear 302, which is installed above the inner wall of the first ring plate 301; a second gear 303, which is meshed with the outer wall of the first gear 302 and is detachably connected to the output end of the servo motor 305; a limiting rod 306, which is plugged into the inner wall of the first ring plate 301 and is fixedly connected to the bottom of the top plate 304; wherein the servo motor 305 can drive the first gear 302 through the second gear 303 to drive the first ring plate 301 to rotate, and then can drive the cleaning device 4 to clean the filter screen 6;

[0029] In the specific implementation process, it is worth pointing out that the servo motor 305 can drive the first gear 302 to rotate through the second gear 303, and then drive the first ring plate 301 to rotate. As the first ring plate 301 rotates, the cleaning device 4 can be driven to move;

[0030] Specifically, based on the above-mentioned embodiments one and two, when cleaning the filter 6, the staff turns on the external power supply of the servo motor 305, and the servo motor 305 can drive the first gear 302 to rotate through the second gear 303. At this time, as the first gear 302 rotates, the first ring plate 301 can be driven to rotate, and then the cleaning device 4 can be driven to clean the filter 6.

[0031] Embodiment 4: By Figure 2 , 3 As shown in Figure 4, the cleaning device 4 includes: a second ring plate 401, which is threadedly connected to the inner wall of the first ring plate 301; a plurality of brushes 402 are arranged, which are evenly spaced and annularly installed on the inner wall of the second ring plate 401; and fit with the outer wall of the box body 1; wherein the second ring plate 401 can drive the brush 402 to clean the filter screen 6;

[0032] In the specific implementation process, it is worth pointing out that the second ring plate 401 can drive the brush 402 to clean the filter screen 6;

[0033] Specifically, based on the above-mentioned embodiments one, two and three, when the first ring plate 301 rotates, the first ring plate 301 can drive the second ring plate 401 to move along the outer wall of the limiting rod 306, and then the second ring plate 401 can drive the brush 402 to clean the filter screen 6.

[0034] Embodiment 5: By Figure 1 and 2It can be seen that the collecting device 5 includes: a collecting box 501, which is arranged below the box body 1; a support rod 502, which is installed at the bottom of the inner wall of the collecting box 501 and is detachably connected to the bottom of the box body 1; wherein the collecting box 501 can collect the dust cleaned by the cleaning device 4;

[0035] In the specific implementation process, it is worth pointing out that the collection box 501 can collect the cleaned dust to the greatest extent;

[0036] Specifically, based on the above-mentioned embodiments 1, 2, 3 and 4, when the filter 6 is cleaned, the cleaned dust falls into the interior of the collection box 501 to the greatest extent, thereby bringing convenience to the subsequent cleaning work of the staff.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laminar clean air supply device for a clean room, comprising a box (1), characterized in that: The top of the box (1) is provided with an air outlet (8), a filter screen (6) is installed below the box (1), a fan (7) is installed above the inside of the box (1), and a perforated plate (9) is installed inside the box (1). The laminar clean air supply device for a clean room further comprises: A detection device (2) is arranged inside the box (1); A driving device (3) is arranged outside the box (1); A cleaning device (4) is arranged outside the box (1); A collecting device (5) installed at the bottom of the box (1); The detection device (2) can detect whether the filter (6) is clogged, and the driving device (3) can drive the cleaning device (4) to clean the surface of the filter (6), so that the cleaned dust falls into the interior of the collecting device (5).

2. A laminar clean air supply device for a clean room according to claim 1, characterized in that: The detection device (2) comprises: A first support plate (201) is installed on the upper part of the interior of the box body (1); A vertical rod (202) installed at the bottom of the first support plate (201); A sleeve (204) sleeved on the outer wall of the vertical rod (202); A spring (203) is sleeved on the outer wall of the vertical rod (202) and is tightly pressed against the top of the sleeve (204); A plug plate (205) installed at the bottom of the sleeve (204); A second support plate (206) is installed at the lower part of the box body (1) and fits the bottom of the plug plate (205); A switch (207) is installed in the groove of the second support plate (206) and is tightly abutted against the bottom of the plug plate (205); A controller (208) is disposed above one side of the box (1) and is electrically connected to the switch (207); The spring (203) can drive the sleeve (204) to move along the outer wall of the vertical rod (202), thereby triggering the switch (207) to turn on the controller (208) through the plug plate (205).

3. A laminar clean air supply device for a clean room according to claim 1, characterized in that: The driving device (3) comprises: A top plate (304) is installed above the outer wall of the box body (1) and is detachably connected to the controller (208); A servo motor (305) is installed on the top of the top plate (304); A first ring plate (301) mounted on the inner wall of the top plate (304); A first gear (302) is mounted above the inner wall of the first ring plate (301); A second gear (303) meshed with the outer wall of the first gear (302) and detachably connected to the output end of the servo motor (305); A limiting rod (306) is inserted into the inner wall of the first ring plate (301) and is fixedly connected to the bottom of the top plate (304); The servo motor (305) can drive the first gear (302) via the second gear (303) to drive the first ring plate (301) to rotate, thereby driving the cleaning device (4) to clean the filter screen (6).

4. A laminar clean air supply device for a clean room according to claim 3, characterized in that: The cleaning device (4) comprises: A second ring plate (401) threadedly connected to the inner wall of the first ring plate (301); A plurality of brushes (402) are provided and are equidistantly mounted in a ring-shaped manner on the inner wall of the second ring plate (401); and are in contact with the outer wall of the box body (1); The second ring plate (401) can drive the brush (402) to clean the filter screen (6).

5. The laminar clean air supply device for a clean room according to claim 1, characterized in that: The collecting device (5) comprises: A collection box (501) is arranged below the box body (1); A support rod (502) is mounted on the bottom of the inner wall of the collection box (501) and is detachably connected to the bottom of the box body (1); The collection box (501) can collect dust cleaned by the cleaning device (4).

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