CN213119353U - Negative pressure fan - Google Patents

Negative pressure fan Download PDF

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Publication number
CN213119353U
CN213119353U CN202022046702.7U CN202022046702U CN213119353U CN 213119353 U CN213119353 U CN 213119353U CN 202022046702 U CN202022046702 U CN 202022046702U CN 213119353 U CN213119353 U CN 213119353U
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side wall
fixedly arranged
water
case
fixedly provided
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CN202022046702.7U
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Chinese (zh)
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刘少洁
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Hunan Xinmingan Electromechanical Technology Co ltd
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Abstract

The utility model discloses a negative pressure fan in the technical field of fans, which comprises a case and a water tank, wherein the left side wall of the inner cavity of the case is fixedly provided with a first protective net, the inner side wall of the first protective net is fixedly provided with a first air inlet, the utility model has reasonable design, a buffer chamber is formed by the honeycomb-shaped water curtain plate of the dust-removing and temperature-reducing component and the fan component, thereby preventing the fan component from absorbing water drops, further preventing the fan component from being wetted by water, ensuring the normal work of the fan component, the reliability is very good, which can effectively improve the service life of the device, when the water pump works, the water in the water tank can be pumped to the sprinkling pipe, the sprinkling pipe can put the water and the wine on the top of the cellular water curtain plate, at this time, water flows downwards along the honeycomb water curtain plate and is combined with air passing through the honeycomb water curtain plate, so that the effects of dedusting and cooling are achieved.

Description

Negative pressure fan
Technical Field
The utility model relates to a fan technical field specifically is a negative-pressure air fan.
Background
The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, naturally sucks fresh air from a gate or a window opposite to an installation place, quickly and forcibly discharges indoor sultry gas outdoors, any problem of poor ventilation can be improved, the negative pressure fan is generally used in factories for gas generated in the processing production process of a factory building, for the food processing industry, the negative pressure fan is commonly used, a large amount of vapor is generated in the dehydration process of food, the vapor is condensed into water when entering the negative pressure fan, the existing negative pressure fan is not provided with a drainage structure, so that the condensed water is left on the wall surface inside or outside a factory building, to workman's operational environment, not only need discharge the vapor in the factory building, still often carry out the renewal to the air in the factory building and take a breath, just can guarantee staff's health.
The existing negative pressure fan only comprises a shell and a fan, can only achieve the function of air exchange, and cannot treat air, so that indoor harmful dust can be directly discharged into the atmosphere, huge pollution can be caused to the environment, the health of surrounding residents and pedestrians can be harmed, and the health of surrounding animals and plants can be harmed, and therefore the negative pressure fan is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative-pressure air fan to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a negative-pressure air fan comprises a case and a water tank, wherein a first protective net is fixedly arranged on the left side wall of the inner cavity of the case, a first air inlet is fixedly arranged on the inner side wall of the first protective net, a first cellular water curtain plate is fixedly arranged on the inner side wall of the first air inlet, the water tank is fixedly arranged on the inner side wall of the first cellular water curtain plate, a water inlet pipe is fixedly arranged on the upper side wall of the case, a second air inlet is fixedly arranged on the upper side wall of the inner cavity of the case, a second protective net is fixedly arranged on the inner side wall of the second air inlet, a dedusting and cooling assembly is fixedly arranged on the inner side wall of the second protective net, a second cellular water curtain plate is fixedly arranged on the inner side wall of the dedusting and cooling assembly, a water pump is fixedly arranged below the water tank, a buffer chamber is fixedly arranged on the lower side wall, the fixed switch that is provided with of right side wall of machine case, the fixed fan subassembly that is provided with of right side wall of the inner chamber of machine case, the fan subassembly includes driving motor, belt, mount and flabellum, driving motor's last side wall activity is provided with the belt, the fixed mount that is provided with of left side wall of the inner chamber of machine case, the fixed belt that is provided with of last side wall of mount, the fixed flabellum that is provided with in below of mount, the fixed air outlet that is provided with of lower side wall of mount, the fixed vertical air guide curtain that is provided with of lower side wall of air outlet, the fixed horizontal air guide curtain that is provided with of lower side wall of vertical air guide curtain.
Preferably, the left side wall of machine case is fixed and is provided with the breakwater, the left side wall of first cellular water curtain board is fixed and is provided with the cellular water curtain board of second, the fixed sprinkler pipe that is provided with in top of the cellular water curtain board of second, the lower side wall flange of water pump is connected with the outlet pipe.
Preferably, driving motor includes front end housing, an oil blanket section of thick bamboo, organism, rear end cap, heat dissipation lug, closed power wiring mouth, stopper, gear and motor flange, the fixed oil blanket section of thick bamboo that is provided with of right side wall of front end housing, the fixed gear that is provided with of lateral wall of an oil blanket section of thick bamboo, the fixed motor flange that is provided with of last lateral wall of an oil blanket section of thick bamboo, the fixed organism that sets up of right side wall of an oil blanket section of thick bamboo, the fixed rear end cap that is provided with of right side wall of organism, the fixed heat dissipation lug that is provided with of right side wall of rear end cap, the fixed stopper that is provided with of right side wall of rear end cap, the fixed closed power wiring mouth that.
Preferably, the locking type power connection port comprises a connecting block, a frame, a connection port, a power line and a power connection terminal, the outer side wall of the connecting block is the frame, the connection port is fixedly arranged on the front side wall of the connecting block, the power line is fixedly arranged on the front side wall of the connection port, and the front end of the power line is the power connection terminal.
Preferably, the lower side wall of the case is fixedly provided with a traveling wheel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable design, the cellular water curtain board of the dedusting and cooling component and the fan component form a buffer chamber, thereby preventing the fan component from absorbing water drops, further preventing the fan component from being wetted by water, and ensuring the normal work of the fan component, the reliability is very good, the service life of the device can be effectively prolonged, the two sides and the back of the case are full-face air inlets, which can effectively increase the air input of the device, thereby effectively improving the exhaust capacity of the device, being beneficial to rapidly improving the indoor air quality, and avoiding the health of indoor personnel from being influenced, when the water pump works, the water in the water tank can be pumped to the sprinkling pipe, the sprinkling pipe can sprinkle water and wine on the top of the cellular water curtain board, at the moment, the water can flow downwards along the water curtain board, and is combined with the air passing through the cellular water curtain board, so as to achieve the dedusting and cooling effects, when water is distributed to the bottom of the honeycomb-shaped water curtain plate, the water falls into the water tank, so that the water is circulated in the device, the waste of water resources can be effectively avoided, and the operation cost of enterprises is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of a negative pressure fan of the present invention;
fig. 2 is a schematic sectional view of a negative pressure fan according to the present invention;
fig. 3 is a schematic structural view of a driving motor of a negative pressure fan according to the present invention;
fig. 4 is a rear view of the driving motor of the negative pressure fan of the present invention.
In the figure: 1. a chassis; 2. a water tank; 3. a first protection net; 4. a first air inlet; 5. a buffer chamber; 6. a first cellular water curtain plate; 7. a water inlet pipe; 8. a second protective net; 9. a second air inlet; 10. a water pump; 11. a dust removal and temperature reduction component; 12. a belt; 13. a second cellular water curtain plate; 14. a waterproof cover; 15. a drive motor; 16. a power switch; 17. a fan assembly; 18. a fan blade; 19. a transverse air guide curtain; 20. an air outlet; 21. a vertical air guide curtain; 22. a fixed mount; 23. a front end cover; 24. an oil seal cylinder; 25. a body; 26. a rear end cap; 27. a heat dissipating fin; 28. a locking type power supply wiring port; 281. connecting blocks; 282. a frame; 283. a wiring port; 284. a power line; 285. a power supply terminal; 29. a brake; 30. a gear; 31. a motor flange; 32. a water retaining sheet; 33. a water outlet pipe; 34. a traveling wheel; 35. a sprinkler pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a negative pressure fan as shown in figures 1-4, which comprises a case 1 and a water tank 2, wherein the left side wall of the inner cavity of the case 1 is fixedly provided with a first protective screen 3, the inner side wall of the first protective screen 3 is fixedly provided with a first air inlet 4, the inner side wall of the first air inlet 4 is fixedly provided with a first honeycomb-shaped water curtain plate 6, the inner side wall of the first honeycomb-shaped water curtain plate 6 is fixedly provided with the water tank 2, the upper side wall of the case 1 is fixedly provided with a water inlet pipe 7, the upper side wall of the inner cavity of the case 1 is fixedly provided with a second air inlet 9, the inner side wall of the second air inlet 9 is fixedly provided with a second protective screen 8, the inner side wall of the second protective screen 8 is fixedly provided with a dust removing and cooling component 11, the inner side wall of the dust removing and cooling component 11 is fixedly provided with a second honeycomb-, a waterproof cover 14 is fixedly arranged on the right side wall of the inner cavity of the case 1, a power switch 16 is fixedly arranged on the right side wall of the case 1, a fan assembly 17 is fixedly arranged on the right side wall of the inner cavity of the case 1, the fan assembly 17 comprises a driving motor 15, a belt 12, a fixing frame 22 and fan blades 18, the belt 12 is movably arranged on the upper side wall of the driving motor 15, the fixing frame 22 is fixedly arranged on the left side wall of the inner cavity of the case 1, the belt 12 is fixedly arranged on the upper side wall of the fixing frame 22, the fan blades 18 are fixedly arranged below the fixing frame 22, an air outlet 20 is fixedly arranged on the lower side wall of the fixing frame 22, a vertical air guide curtain 21 is fixedly arranged on the lower side wall of the air outlet 20, a transverse air guide curtain 19 is fixedly arranged on the lower side wall of the vertical air guide curtain 21, a cellular water curtain plate of the dedusting and cooling assembly 11 and, further, the fan assembly 17 is prevented from being wetted by water, so that the normal operation of the fan assembly 17 is ensured, the reliability is very good, the service life of the device can be effectively prolonged, the whole-surface air inlets are formed in the two sides and the back surface of the case 1, the air inflow of the device can be effectively increased, the exhaust capacity of the device can be effectively improved, the indoor air quality is favorably and quickly improved, and the influence on the health of indoor personnel is avoided, when the water pump 10 works, water in the water tank 2 can be pumped to the sprinkler pipe 35, the sprinkler pipe 35 can pump water and wine on the top of the honeycomb-shaped water curtain plate, at the moment, the water can flow downwards along the honeycomb-shaped water curtain plate and is combined with air passing through the honeycomb-shaped water curtain plate, so that the dust removal and temperature reduction effects are achieved, when the water flows to the bottom of the honeycomb-shaped water curtain plate, the water can fall into the water tank 2, so that the water, so as to reduce the operation cost of enterprises.
The left side wall of the case 1 is fixedly provided with a water baffle 32, the left side wall of the first honeycomb water curtain plate 6 is fixedly provided with a second honeycomb water curtain plate 13, a sprinkler pipe 35 is fixedly arranged above the second honeycomb water curtain plate 13, and the lower side wall of the water pump 10 is connected with a water outlet pipe 33 through a flange;
the driving motor 15 comprises a front end cover 23, an oil seal cylinder 24, a machine body 25, a rear end cover 26, a heat dissipation lug 27, a closed power supply wiring port 28, a brake 29, a gear 30 and a motor flange 31, wherein the right side wall of the front end cover 23 is fixedly provided with the oil seal cylinder 24, the outer side wall of the oil seal cylinder 24 is fixedly provided with the gear 30, the upper side wall of the oil seal cylinder 24 is fixedly provided with the motor flange 31, the right side wall of the oil seal cylinder 24 is fixedly provided with the machine body 25, the right side wall of the machine body 25 is fixedly provided with the rear end cover 26, the right side wall of the rear end cover 26 is fixedly provided with the heat dissipation lug 27, the right side wall of the rear end cover 26 is fixedly provided with the brake 29, the right side wall of the brake 29 is fixedly provided with the closed power supply wiring port 28, the working efficiency of the utility;
the locking type power supply wiring port 28 comprises a connecting block 281, a frame 282, a wiring port 283, a power line 284 and a power supply terminal 285, wherein the outer side wall of the connecting block 281 is the frame 282, the front side wall of the connecting block 281 is fixedly provided with the wiring port 283, the front side wall of the wiring port 283 is fixedly provided with the power line 284, the front end of the power line 284 is the power supply terminal 285, and the locking type power supply wiring port 28 can improve the outdoor use waterproof grade;
the lower side wall of the case 1 is fixedly provided with walking wheels 34, so that the equipment is more convenient and fast in the use process.
The working principle is as follows: in the concrete construction operation, the device is started by the power switch 16, when the water pump 10 works, the water in the water tank 2 is pumped to the sprinkling pipe 35, the sprinkling pipe 35 sprinkles the water on the top of the honeycomb-shaped water curtain plate, at the moment, the water flows downwards along the honeycomb-shaped water curtain plate and passes through the honeycomb-shaped water curtain plate to be combined with the air, so as to achieve the effects of dedusting and cooling, when the water flows to the water tank 2, circulation is formed by the water pump 10, waste of water resources can be avoided, the driving motor 15 is started, the fan blades 18 are driven to rotate by the belt 12, the air enters the device from the air inlet, the dust and heat in the air are removed by the protective net and the honeycomb-shaped water curtain plate, the air outlet condition of the air outlet 20 is changed by adjusting the transverse air guide curtain 19 and the vertical air guide curtain 21, the resistance of air flow can be increased or reduced by adjusting the transverse air guide curtain 19, the resistance of air flow can be increased, the flow speed of air is slowed down, air can be combined with dust more fully, and the purpose of effective dust removal is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a negative-pressure air fan, includes quick-witted case (1) and basin (2), its characterized in that: the water purifier is characterized in that a first protective screen (3) is fixedly arranged on the left side wall of an inner cavity of the case (1), a first air inlet (4) is fixedly arranged on the inner side wall of the first protective screen (3), a first cellular water curtain plate (6) is fixedly arranged on the inner side wall of the first air inlet (4), a water tank (2) is fixedly arranged on the inner side wall of the first cellular water curtain plate (6), a water inlet pipe (7) is fixedly arranged on the upper side wall of the case (1), a second air inlet (9) is fixedly arranged on the upper side wall of the inner cavity of the case (1), a second protective screen (8) is fixedly arranged on the inner side wall of the second air inlet (9), a dust removal and cooling component (11) is fixedly arranged on the inner side wall of the second protective screen (8), a second cellular water curtain plate (13) is fixedly arranged on the inner side wall of the dust removal and cooling component (11, the water tank is characterized in that a buffer chamber (5) is fixedly arranged on the lower side wall of the water tank (2), a waterproof cover (14) is fixedly arranged on the right side wall of the inner cavity of the case (1), a power switch (16) is fixedly arranged on the right side wall of the case (1), a fan assembly (17) is fixedly arranged on the right side wall of the inner cavity of the case (1), the fan assembly (17) comprises a driving motor (15), a belt (12), a fixing frame (22) and fan blades (18), the belt (12) is movably arranged on the upper side wall of the driving motor (15), the fixing frame (22) is fixedly arranged on the left side wall of the inner cavity of the case (1), the belt (12) is fixedly arranged on the upper side wall of the fixing frame (22), the fan blades (18) are fixedly arranged below the fixing frame (22), and an air outlet (20) is fixedly arranged on, the lower side wall of the air outlet (20) is fixedly provided with a vertical air guide curtain (21), and the lower side wall of the vertical air guide curtain (21) is fixedly provided with a transverse air guide curtain (19).
2. The negative-pressure air blower according to claim 1, characterized in that: the fixed water retaining sheet (32) that is provided with of left side wall of quick-witted case (1), the fixed cellular water curtain board of second (13) that is provided with of left side wall of first cellular water curtain board (6), the fixed sprinkler pipe (35) that is provided with in top of the cellular water curtain board of second (13), the lower side wall flange of water pump (10) is connected with outlet pipe (33).
3. The negative-pressure air blower according to claim 1, characterized in that: the driving motor (15) comprises a front end cover (23), an oil seal cylinder (24), a machine body (25), a rear end cover (26), a heat dissipation lug (27), a locking type power supply wiring port (28), a brake (29), a gear (30) and a motor flange (31), an oil seal cylinder (24) is fixedly arranged on the right side wall of the front end cover (23), a gear (30) is fixedly arranged on the outer side wall of the oil seal cylinder (24), the upper side wall of the oil seal cylinder (24) is fixedly provided with a motor flange (31), an organism (25) is fixedly arranged on the right side wall of the oil seal cylinder (24), a rear end cover (26) is fixedly arranged on the right side wall of the organism (25), the right side wall of the rear end cover (26) is fixedly provided with a heat dissipation lug (27), the right side wall of the rear end cover (26) is fixedly provided with a brake (29), and the right side wall of the brake (29) is fixedly provided with a locking type power supply wiring port (28).
4. The negative-pressure air blower according to claim 3, characterized in that: the locking type power connection port (28) comprises a connecting block (281), a frame (282), a connection port (283), a power line (284) and a power connection terminal (285), wherein the outer side wall of the connecting block (281) is the frame (282), the front side wall of the connecting block (281) is fixedly provided with the connection port (283), the front side wall of the connection port (283) is fixedly provided with the power line (284), and the front end of the power line (284) is the power connection terminal (285).
5. The negative-pressure air blower according to claim 1, characterized in that: and a traveling wheel (34) is fixedly arranged on the lower side wall of the case (1).
CN202022046702.7U 2020-09-18 2020-09-18 Negative pressure fan Active CN213119353U (en)

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Application Number Priority Date Filing Date Title
CN202022046702.7U CN213119353U (en) 2020-09-18 2020-09-18 Negative pressure fan

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Application Number Priority Date Filing Date Title
CN202022046702.7U CN213119353U (en) 2020-09-18 2020-09-18 Negative pressure fan

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CN202022046702.7U Active CN213119353U (en) 2020-09-18 2020-09-18 Negative pressure fan

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114278132A (en) * 2021-12-28 2022-04-05 广东恒辉建设集团股份有限公司 Steel structure factory building and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114278132A (en) * 2021-12-28 2022-04-05 广东恒辉建设集团股份有限公司 Steel structure factory building and construction method thereof

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Effective date of registration: 20230601

Address after: Room 1706, Building 2, Yuntong Zunyuan, No. 269, Hengda Road, Hehuayuan Street, Furong District, Changsha City, Hunan Province 410000

Patentee after: Hunan Xinmingan Electromechanical Technology Co.,Ltd.

Address before: 510000 room 705, No.5, compound 89, Yongfu Road, Yuexiu District, Guangzhou City, Guangdong Province

Patentee before: Liu Shaojie