External windshield of cooling tower

Abstract

The utility model provides an external windshield of a cooling tower. The cold tower external windshield comprises a windshield main body, a plurality of ventilation openings are formed in the windshield main body, a cavity is formed in the windshield main body, and a plurality of turning plate mechanisms and driving mechanisms are arranged on the windshield main body; the plate overturning mechanism comprises an overturning plate, a fixing shaft, a rotating disc and a fixing rod, the overturning plate is rotationally installed in the ventilation opening, the fixing shaft is fixedly installed at the top of the overturning plate, the top end of the fixing shaft extends into the cavity and is rotationally connected with the windshield body, the rotating disc is fixedly installed at the top end of the fixing shaft, and the fixing rod is fixedly connected with the rotating disc. And the fixed rod is fixedly mounted at the top of the turntable. The wind shield outside the cooling tower can slow down rapid loss of heat, enables the heat to circulate between the wind shield and the filler, and achieves the advantage of rapid ice melting.

Description

Technical Field

[0001] The utility model belongs to the technical field of instrument processing, and particularly relates to an external wind baffle of a cooling tower. Background Art

[0002] In winter, the formation of ice on the cooling tower has a great impact on the service life and working performance of the equipment. If ice forms at the air inlet, then with the accumulation of ice blocks, the weight of the ice blocks gradually increases, which is likely to cause damage to the louver, making it lose its air guiding effect. If the ice formation position is at the water collecting tray, then due to the increase in the volume of ice blocks during the ice formation process, the fiberglass water collecting tray will be damaged by the expansion force, resulting in water leakage and the like.

[0003] Therefore, it is necessary to provide a new external wind baffle for the cooling tower to solve the above technical problems. Summary of the Utility Model

[0004] The technical problem solved by the utility model is to provide an external wind baffle for a cooling tower that can slow down the rapid loss of heat, allow heat to circulate between the wind baffle and the packing, and achieve rapid ice melting.

[0005] To solve the above technical problems, the external wind baffle for a cooling tower provided by the utility model includes: a wind baffle main body, a plurality of ventilation openings are formed on the wind baffle main body, a cavity is formed on the wind baffle main body, and a plurality of flap mechanisms and a driving mechanism are arranged on the wind baffle main body;

[0006] The flap mechanism includes a flipping plate, a fixed shaft, a turntable and a fixed rod. The flipping plate is rotatably installed in the ventilation opening. The fixed shaft is fixedly installed at the top of the flipping plate. The top end of the fixed shaft extends into the cavity and is rotatably connected to the wind baffle main body. The turntable is fixedly installed at the top end of the fixed shaft. The fixed rod is fixedly installed at the top of the turntable.

[0007] As a further scheme of the utility model, the driving mechanism includes a strip-shaped push plate, a U-shaped rod, an internally threaded slider, two fixing plates, a threaded rod and a driving motor. The strip-shaped push plate is slidably installed in the cavity. The U-shaped rod is fixedly installed on one side of the strip-shaped push plate. The internally threaded slider is fixedly installed at the bottom of the U-shaped rod. Both of the two fixing plates are fixedly installed on the bottom inner wall of the cavity. The threaded rod is rotatably installed on the two fixing plates. The threaded rod penetrates through the internally threaded slider and is threadedly connected to the internally threaded slider. The driving motor is fixedly installed on the corresponding fixing plate. The output shaft of the driving motor is fixedly connected to one end of the threaded rod.

[0008] As a further scheme of the utility model, side baffles are fixedly installed on both inner walls of the ventilation opening. The two side baffles are respectively located on both sides of the flipping plate, and both of the two side baffles are in contact with the flipping plate.

[0009] As a further solution of the present utility model, a plurality of strip-shaped push grooves are provided on the strip-shaped push plate, and the plurality of fixing rods respectively penetrate through the plurality of fixing rods and are adapted to the fixing rods, and the plurality of strip-shaped push grooves are all inclined.

[0010] As a further solution of the present utility model, support sliding grooves are provided on the inner walls of both sides of the cavity, support sliders are slidably installed in the two support sliding grooves, and one side of the two support sliders close to each other is fixedly connected to the strip-shaped push plate.

[0011] Compared with the related art, the external wind shield of the cooling tower provided by the present utility model has the following beneficial effects:

[0012] 1. By setting the flap mechanism in the present utility model, the flap can be in an open state in the natural wind mode, and normal air intake can be carried out for cooling. When switching to the deicing mode, the fan in the air duct will blow air in the reverse direction into the cooling tower. At this time, the flap is in a closed state, reducing heat loss to achieve rapid ice melting. When the cooling tower fan is switched to the natural air cooling mode, the flap is in an open state;

[0013] 2. By setting the driving mechanism in the present utility model, the strip-shaped push plate can be pushed, and at the same time, a plurality of flaps can be flipped, so as to adjust the opening and closing states of the flaps, and further switch between the natural air cooling mode and the deicing mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] For the convenience of those skilled in the art to understand, the present utility model will be further described below with reference to the accompanying drawings.

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the external wind shield of the cooling tower provided by the present utility model;

[0016] Figure 2 It is a first sectional structural schematic diagram of the external wind shield of the cooling tower provided by the present utility model;

[0017] Figure 3 It is a second sectional structural schematic diagram of the external wind shield of the cooling tower provided by the present utility model.

[0018] In the figure: 1, wind shield main body; 2, ventilation opening; 3, cavity; 4, flap; 5, fixed shaft; 6, turntable; 7, fixing rod; 8, strip-shaped push plate; 9, U-shaped rod; 10, internally threaded slider; 11, fixing plate; 12, threaded rod; 13, driving motor; 14, side baffle; 15, strip-shaped push groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Please refer to Figure 1 、 Figure 2 and Figure 3 , wherein, Figure 1Schematic three-dimensional structure diagram of the external windshield of the cooling tower provided by the present utility model; Figure 2 First sectional structure diagram of the external windshield of the cooling tower provided by the present utility model; Figure 3 Second sectional structure diagram of the external windshield of the cooling tower provided by the present utility model. The external windshield of the cooling tower includes: a windshield main body 1, a plurality of ventilation openings 2 are provided on the windshield main body 1, a cavity 3 is provided on the windshield main body 1, and a plurality of flap mechanisms and a driving mechanism are provided on the windshield main body 1;

[0020] The flap mechanism includes a flip plate 4, a fixed shaft 5, a turntable 6 and a fixed rod 7. The flip plate 4 is rotatably installed in the ventilation opening 2. The fixed shaft 5 is fixedly installed on the top of the flip plate 4. The top end of the fixed shaft 5 extends into the cavity 3 and is rotatably connected to the windshield main body 1. The turntable 6 is fixedly installed on the top end of the fixed shaft 5. The fixed rod 7 is fixedly installed on the top of the turntable 6.

[0021] As Figure 3 shown, the driving mechanism includes a strip-shaped push plate 8, a U-shaped rod 9, an internally threaded slider 10, two fixing plates 11, a threaded rod 12 and a driving motor 13. The strip-shaped push plate 8 is slidably installed in the cavity 3. The U-shaped rod 9 is fixedly installed on one side of the strip-shaped push plate 8. The internally threaded slider 10 is fixedly installed on the bottom of the U-shaped rod 9. Both of the two fixing plates 11 are fixedly installed on the bottom inner wall of the cavity 3. The threaded rod 12 is rotatably installed on the two fixing plates 11. The threaded rod 12 penetrates through the internally threaded slider 10 and is threadedly connected to the internally threaded slider 10. The driving motor 13 is fixedly installed on the corresponding fixing plate 11. The output shaft of the driving motor 13 is fixedly connected to one end of the threaded rod 12;

[0022] By setting the driving mechanism, it is possible to push the strip-shaped push plate 8 to flip a plurality of flip plates 4 at the same time, so as to adjust the opening and closing states of the flip plates 4, and further switch between the natural air cooling mode and the deicing mode.

[0023] As Figure 2 shown, side baffles 14 are fixedly installed on both inner walls of the ventilation opening 2. The two side baffles 14 are respectively located on both sides of the flip plate 4. Both of the two side baffles 14 are in contact with the flip plate 4;

[0024] By setting the side baffles 14, when switching to the deicing mode, the side baffles 14 can be made to contact the flip plate 4 to improve the sealing performance, thereby reducing heat loss.

[0025] As Figure 3 shown, a plurality of strip-shaped push grooves 15 are provided on the strip-shaped push plate 8. A plurality of the fixed rods 7 respectively penetrate through the plurality of fixed rods 7 and are adapted to the fixed rods 7. The plurality of strip-shaped push grooves 15 are all inclined;

[0026] By providing the strip push groove 15 , the fixing rod 7 can be pushed through the strip push groove 15 , and the fixing rod 7 is tilted to avoid being stuck in the strip push groove 15 , which makes the flip plate 4 unable to flip.

[0027] like Figure 3 As shown, support slide grooves are provided on the inner walls of both sides of the cavity 3, and support sliders are slidably installed in the two support slide grooves, and the sides of the two support sliders close to each other are fixedly connected to the strip push plate 8;

[0028] By providing the supporting slide groove and the supporting sliding block, the strip push plate 8 can be supported and guided at the same time, so that the strip push plate 8 can move smoothly.

[0029] The working principle of the external windshield of the cooling tower provided by the utility model is as follows:

[0030] When the cooling tower is used in winter, the outside of the cooling tower is prone to ice formation, and the cooling tower needs to be switched between natural air cooling mode and de-icing mode at regular intervals;

[0031] When switching to the de-icing mode, the fan will blow air in the cooling tower in the reverse direction, and the driving motor 13 will be started at the same time, the driving motor 13 will drive the threaded rod 12 to rotate, the threaded rod 12 will drive the internal threaded slider 10 to move, the internal threaded slider 10 will drive the shaped rod 9 and the strip push plate 8 to move, the strip push groove 15 on the strip push plate 8 can cooperate with the fixed rod 7 to make the turntable 6 rotate, the turntable 6 will drive the fixed shaft 5 to rotate, the fixed shaft 5 will drive the flip plate 4 to flip, so that the flip plate 4 is closed, reducing heat loss, so as to achieve rapid ice melting;

[0032] When switching to the natural air cooling mode, the driving motor 13 is reversed to reset the strip push plate 8, so that the flip plate 4 is in the open state, and air can be normally introduced for cooling.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A cooling tower external windshield, characterized in that: Including: A windshield main body, on which a plurality of ventilation openings are provided, a cavity is provided on the windshield main body, and a plurality of flap mechanisms and driving mechanisms are arranged on the windshield main body; The flap mechanism includes a flip plate, a fixed shaft, a turntable and a fixed rod. The flip plate is rotatably installed in the ventilation opening. The fixed shaft is fixedly installed on the top of the flip plate. The top end of the fixed shaft extends into the cavity and is rotatably connected to the windshield main body. The turntable is fixedly installed on the top end of the fixed shaft. The fixed rod is fixedly installed on the top of the turntable.

2. The cooling tower external windshield according to claim 1, characterized in that: The driving mechanism includes a strip-shaped push plate, a C-shaped rod, an internally threaded slider, two fixing plates, a threaded rod and a driving motor. The strip-shaped push plate is slidably installed in the cavity. The C-shaped rod is fixedly installed on one side of the strip-shaped push plate. The internally threaded slider is fixedly installed at the bottom of the C-shaped rod. The two fixing plates are both fixedly installed on the bottom inner wall of the cavity. The threaded rod is rotatably installed on the two fixing plates. The threaded rod penetrates through the internally threaded slider and is threadedly connected to the internally threaded slider. The driving motor is fixedly installed on the corresponding fixing plate. The output shaft of the driving motor is fixedly connected to one end of the threaded rod.

3. The cooling tower external windshield according to claim 1, characterized in that: Side baffles are fixedly installed on the inner walls on both sides of the ventilation opening. The two side baffles are respectively located on both sides of the flip plate, and the two side baffles are both in contact with the flip plate.

4. The cooling tower external windshield according to claim 2, characterized in that: A plurality of strip-shaped push grooves are provided on the strip-shaped push plate. The plurality of fixed rods respectively penetrate through the plurality of fixed rods and are adapted to the fixed rods. The plurality of strip-shaped push grooves are all inclined.

5. The cooling tower external windshield according to claim 2, characterized in that: Support sliding grooves are provided on the inner walls on both sides of the cavity. Support sliders are slidably installed in the two support sliding grooves. The sides of the two support sliders close to each other are fixedly connected to the strip-shaped push plate.

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