CN219723943U - Positive and negative pressure adjustable air shower - Google Patents
Positive and negative pressure adjustable air shower Download PDFInfo
- Publication number
- CN219723943U CN219723943U CN202321212506.XU CN202321212506U CN219723943U CN 219723943 U CN219723943 U CN 219723943U CN 202321212506 U CN202321212506 U CN 202321212506U CN 219723943 U CN219723943 U CN 219723943U
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- air
- box body
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- box
- air shower
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- 230000003749 cleanliness Effects 0.000 abstract description 9
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Abstract
The utility model discloses a positive and negative pressure adjustable air shower, which comprises a box body, an air shower channel and a side fan, wherein the air shower channel and the side fan are arranged in the box body, a plurality of nozzles are respectively arranged on the box walls on two sides of the box body, and box doors are respectively arranged in front of and behind the box body, and the air shower is characterized in that: the purifying air supply device is arranged above the box body, the exhaust device is arranged at the bottom of the box body, the purifying air supply device comprises a top fan, an air supply opening is arranged on the top plate of the box body, and clean air flows through the air supply opening and enters the box body; the exhaust device comprises a bottom fan, an exhaust port is formed in a bottom plate of the box body, polluted air in the box body is exhausted outwards through the exhaust port, and an air outlet of the exhaust device is connected with an exhaust pipe. According to the utility model, through the cooperation of the top purifying and conveying device and the bottom exhaust device, the positive pressure and the negative pressure in the air shower chamber are regulated, the high-cleanliness clean room is not interfered by pollution when the door is opened, and the stability of the cleanliness of the clean area is improved.
Description
Technical Field
The utility model relates to an air shower technology, in particular to an air shower with adjustable positive and negative pressure.
Background
The air shower is a channel which is necessary for entering the clean room, so that the pollution problem caused by entering and exiting the clean room can be reduced. The air shower is generally arranged between a clean room and a non-clean room or a low-grade clean room and a high-grade clean room, when people and goods enter the clean area, the air shower is required to be blown by the air shower, and the blown clean air can remove dust carried by the people and the goods, so that dust sources can be effectively blocked or reduced from entering the clean area.
The main structure of the air shower comprises an air shower 15, an air shower channel 16 and a fan 17, wherein the air shower channel 16 and the fan 17 are arranged in the air shower 15, the interior of a part of static pressure box is also provided with a high-efficiency filter 18 and a static pressure machine, the inner wall of a fan cavity is provided with a nozzle 4 communicated with the fan, a human body is positioned in a blowing and showering area, after the fan is started, air flow is generated, after the air flow is subjected to static pressure through the static pressure box, the air flow is sprayed to the blowing and showering area from all directions through the nozzle by the high-efficiency filter 18, and dust particles adhered to the surface of the human body or cargoes are effectively and rapidly removed, as shown in the figure 1.
However, the conventional air shower has the following problems in practical use: the two sides of the air shower are areas with different cleanliness, when one side of the door is opened, the air flow in the corresponding side area interacts with the inside of the door, namely from the room to the air shower or from the air shower to the room, and the interaction of the air flow can influence the cleanliness in a certain area, especially in a high-grade clean room (particularly high-cleanliness-requirement occasion), and the interaction of the air flow is not accepted.
Disclosure of Invention
The utility model aims to provide a positive and negative pressure adjustable air shower, which can avoid air flow interaction, ensure that a high-cleanliness clean room is not interfered by pollution and maintain the high-cleanliness requirement through improving the structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a positive negative pressure adjustable air shower, includes the box, sets up in the inside air shower passageway of box and side fan, be equipped with a plurality of spouts on the box both sides case wall respectively, be equipped with the chamber door respectively in front of the box, the back, be equipped with purification air supply arrangement above the box, its bottom is equipped with exhaust device, purification air supply arrangement includes the top fan, is equipped with the supply-air outlet on the box roof, clean air flow is through the supply-air outlet gets into in the box; the exhaust device comprises a bottom fan, an exhaust port is formed in a bottom plate of the box body, polluted air in the box body is exhausted outwards through the exhaust port, and an air outlet of the exhaust device is connected with an exhaust pipe.
In the above technical scheme, a top efficient filter is arranged below the top fan, and air flow enters the box body through the air supply outlet after passing through the top efficient filter.
In the above technical scheme, the air shower channel is internally provided with the main efficient filter, the side fan is arranged at the lower half part of the box body, air drawn in by the side fan flows through the main efficient filter to enter the air supply cavity, and is blown out from the nozzle into the box body.
In the technical scheme, the air inlet of the top fan is communicated with the air supply cavity of the air shower channel, and clean air flow is blown out from the air supply inlet to the box body through the top fan.
In the technical scheme, the air outlet of the air exhaust device is provided with the coarse filter.
In the above technical scheme, be equipped with the controller on the box, including panel, control chip and connecting circuit, be equipped with display screen and a plurality of regulation button on the panel, every regulation button is connected with control chip, top fan, side fan and bottom fan are connected with control chip through connecting circuit respectively.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the top purification air supply device and the bottom air exhaust device are mutually matched, so that the air flow in the box body (the air shower area) is in a vertical laminar flow state after the air shower is finished, the high cleanliness requirement can be rapidly met in the box body, the high cleanliness clean room is not interfered by pollution when the air shower door is opened, and the cleanliness stability of the high-grade clean room is improved;
2. by adjusting the bottom air discharge quantity, the air shower area can be maintained to be converted into a positive pressure or negative pressure state according to the requirements of field use, the clean environment in the air shower room is met when the air shower area is positive pressure, the air flow in the air shower room is not overflowed when the air shower area is negative pressure, and the pollution to the external space is avoided;
3. when the air shower is normally used, high-speed clean air flow is blown out from left and right through the nozzles, clean low-speed air flow is blown out from the top purification air supply device, polluted air flow in the air shower area is extracted from the bottom exhaust device, the air shower area is exhausted through the exhaust pipe, and turbulent flow is formed in the air shower area due to the fact that air shower at multiple angles is blown out, and the air shower effect can be better improved.
Drawings
FIG. 1 is a schematic diagram of a structure of the background art of the utility model;
FIG. 2 is a schematic diagram of a first embodiment of the present utility model;
FIG. 3 is a schematic side view of FIG. 2;
fig. 4 is a schematic top view of fig. 2.
Wherein: 1. a case; 2. a wind shower passage; 3. a side fan; 4. a spout; 5. a door; 6. a purifying air supply device; 7. an exhaust device; 8. a top blower; 9. a bottom fan; 10. an exhaust pipe; 11. a top high efficiency filter; 12. a main high-efficiency filter; 13. a panel; 14. a shower area; 15. an air shower; 16. a wind shower passage; 17. a blower; 18. high efficiency filter.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
embodiment one: referring to fig. 2-4, a positive and negative pressure adjustable air shower comprises a box body 1, an air shower channel 2 and side fans 3, wherein the air shower channel 2 and the side fans 3 are arranged in the box body 1, a plurality of nozzles 4 are respectively arranged on the box walls on two sides of the box body 1, box doors 5 are respectively arranged in front of and behind the box body 1, a purifying air supply device 6 is arranged above the box body 1, an air exhaust device 7 is arranged at the bottom of the box body, the purifying air supply device 6 comprises a top fan 8, an air supply opening is arranged on the top plate of the box body 1, and clean air flows through the air supply opening and enters the box body 1; the exhaust device 7 comprises a bottom fan 9 and a coarse filter, an exhaust port is formed in the bottom plate of the box body 1, polluted air in the box body 1 is exhausted outwards through the exhaust port, and an air outlet of the exhaust device 7 is connected with an exhaust pipe 10 through the coarse filter.
As shown in fig. 2, a top high efficiency filter 11 is arranged below the top fan 8, and the air flow passes through the top high efficiency filter 11 and enters the box 1 through the air supply opening.
As shown in fig. 3, a main efficient filter 12 is disposed in the air shower channel 2, the side fan 3 is disposed at the lower half of the box 1, and air drawn in from the side fan 3 flows through the main efficient filter 12 to enter the air supply cavity, and is blown out into the box 1 through the nozzle 4.
As shown in fig. 2, the box 1 is provided with a controller, which comprises a panel 13, a control chip and a connection circuit, the panel 13 is provided with a display screen and a plurality of adjusting keys, each adjusting key is connected with the control chip, and the top fan 8, the side fan 3 and the bottom fan 9 are respectively connected with the control chip through the connection circuit. The air exhaust amount of each fan can be adjusted through the controller, and the air showering area can be maintained to be in a positive pressure or negative pressure state according to the requirements of on-site use by adjusting the air exhaust amount at the bottom. When the pressure is positive, the clean environment in the air shower is maintained, and when the pressure is negative, the air flow in the air shower is not overflowed. The staff accessible box on the regulation button realize, control the convenience.
When the air conditioner is used, as shown in the figure 4, personnel enter the box body 1 from the low (or no) cleanliness area on the left side, the air showering area 14 is arranged in the middle of the box body 1, the box door on the left side is closed, high-speed clean air flows are blown out from the left side and the right side through the nozzles 4, clean low-speed air flows are blown out from the top purifying air supply device 6, polluted air flows in the air showering area are extracted from the bottom air exhaust device 7, the air showering area is exhausted through the air exhaust pipe, and the trend of the air flows is shown in the figure 3. After the shower is continued for a period of time, the left side fan and the right side fan are stopped, the top fan and the bottom fan are still continuous, and a person opens the right side box door to enter a high-cleanliness area. At this time, the top purifying air supply device 6 and the bottom air exhaust device 7 are mutually matched, so that the air flow in the air shower area 14 is kept in a vertical laminar flow state after the air shower is finished, the requirement of high cleanliness can be rapidly met, and the high cleanliness clean room is ensured not to be interfered by pollution when the air shower door is opened.
In the second embodiment, the structure of the air shower with adjustable positive and negative pressure is basically similar to that of the first embodiment, and the difference is that: the top purifying air supply device is communicated with the air supply cavity of the air shower channel, clean air flow is supplied by the main high-efficiency filter in the air supply cavity, and then is blown out into the box body from the air supply port by the top fan.
Although the investment of a high-efficiency filter can be reduced, the air flow in the air supply cavity can be dispersed partially, the nozzle strength can be affected, and the technical scheme of multi-angle air outlet can be realized under the condition of solving the air flow, and the first embodiment is more preferable.
Claims (6)
1. The utility model provides a positive negative pressure adjustable air shower, includes the box, sets up in the inside air shower passageway of box and side fan, be equipped with a plurality of spout on the box both sides case wall respectively, be equipped with the chamber door before the box, the back respectively, its characterized in that: the purifying air supply device is arranged above the box body, the exhaust device is arranged at the bottom of the box body, the purifying air supply device comprises a top fan, an air supply opening is arranged on the top plate of the box body, and clean air flows through the air supply opening and enters the box body; the exhaust device comprises a bottom fan, an exhaust port is formed in a bottom plate of the box body, polluted air in the box body is exhausted outwards through the exhaust port, and an air outlet of the exhaust device is connected with an exhaust pipe.
2. The positive and negative pressure adjustable air shower according to claim 1, wherein: a top high-efficiency filter is arranged below the top fan, and air flow enters the box body through the air supply outlet after passing through the top high-efficiency filter.
3. The positive and negative pressure adjustable air shower according to claim 1, wherein: the air shower channel is internally provided with a main high-efficiency filter, the side fans are arranged at the lower half part of the box body, air drawn in by the side fans flows through the main high-efficiency filter to enter the air supply cavity, and the air is blown out from the nozzle into the box body.
4. A positive and negative pressure adjustable air shower according to claim 3, wherein: the air inlet of the top fan is communicated with the air supply cavity of the air shower channel, and clean air flow is blown out into the box body from the air supply inlet through the top fan.
5. The positive and negative pressure adjustable air shower according to claim 1, wherein: and a coarse filter is arranged at the air outlet of the air exhaust device.
6. The positive and negative pressure adjustable air shower according to claim 1, wherein: the box is provided with a controller, and comprises a panel, a control chip and a connecting circuit, wherein the panel is provided with a display screen and a plurality of adjusting keys, each adjusting key is connected with the control chip, and the top fan, the side fan and the bottom fan are respectively connected with the control chip through the connecting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321212506.XU CN219723943U (en) | 2023-05-18 | 2023-05-18 | Positive and negative pressure adjustable air shower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321212506.XU CN219723943U (en) | 2023-05-18 | 2023-05-18 | Positive and negative pressure adjustable air shower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219723943U true CN219723943U (en) | 2023-09-22 |
Family
ID=88050565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321212506.XU Active CN219723943U (en) | 2023-05-18 | 2023-05-18 | Positive and negative pressure adjustable air shower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219723943U (en) |
-
2023
- 2023-05-18 CN CN202321212506.XU patent/CN219723943U/en active Active
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