CN216241407U

CN216241407U - Cooling fan for cooling tower

Info

Publication number: CN216241407U
Application number: CN202122842878.8U
Authority: CN
Inventors: 张元�; 陈潇; 袁春民
Original assignee: Suzhou Zhongzhixin Ring Cooling Equipment Co ltd
Current assignee: Suzhou Zhongzhixin Ring Cooling Equipment Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the technical field of cooling tower equipment, in particular to a cooling fan for a cooling tower. According to the utility model, the heat dissipation cover internally fixing the driving motor is sleeved in the fixed cylinder, so that the driving motor can be reversely ventilated after wind flow generated by the fan passes through the wind collecting plate, the driving motor can be cooled, three annular cavity columns are sleeved on the outer wall of the driving motor, heat generated by the motor can be indirectly volatilized through the annular cavity columns, the annular cavity columns can be cooled under the ventilation condition through the ventilation holes formed in the annular cavity columns, the heat dissipation efficiency of the motor can be further improved, the service life of the heat dissipation fan can be prolonged, and the wind guide plates arranged on the fixed cylinder can guide wind flow through the wind guide plates, so that wind resistance can be reduced, and the wind pressure of the fan can be improved.

Description

Cooling fan for cooling tower

Technical Field

The utility model relates to the technical field of cooling tower equipment, in particular to a cooling fan for a cooling tower.

Background

The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the evaporative heat dissipation device is an evaporative heat dissipation device which utilizes the principles that water is in flowing contact with air and then is subjected to heat exchange to generate steam, the steam volatilizes to take away heat to achieve evaporative heat dissipation, convective heat transfer, radiant heat transfer and the like to dissipate waste heat generated in industry or refrigeration air conditioners to reduce the water temperature so as to ensure the normal operation of the system, and the device is generally barrel-shaped and is named as a cooling tower.

The cooling tower needs dedicated cooling fan to ventilate and cool, so that the heat in the cooling tower is volatilized, the self heat dissipation capacity of the cooling fan of the existing cooling tower is poor, the service life of the fan is short, the air guide effect is poor, and the existing cooling fan of the cooling tower easily generates large noise when in use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problems, the present invention provides a cooling fan for a cooling tower, wherein a protective shell is disposed in the cooling fan for the cooling tower, a fixed cylinder is disposed in the protective shell, a heat dissipation cover with a driving motor fixed therein is sleeved in the fixed cylinder, and a wind collecting plate on the inner wall of the fixed cylinder surrounds the heat dissipation cover, and the driving motor drives a rotating shaft to rotate, so that the cooling fan can drive a plurality of aluminum alloy blades to rotate, so that the cooling tower is ventilated and cooled, and the driving motor can be ventilated reversely by wind current generated by the fan after passing through the wind collecting plate, so that the driving motor can be cooled, and because three annular cavity columns are sleeved on the outer wall of the driving motor, heat generated by the motor can be indirectly volatilized by the annular cavity columns, and air circulation in the annular cavity column 109 can be accelerated by ventilation holes formed on the annular cavity columns, the annular cavity column can be cooled under the ventilation condition, so that the heat dissipation efficiency of the motor can be further improved, the service life of the heat dissipation fan can be prolonged, and the wind guide plates are arranged on the fixed cylinder and can guide and divide wind flow, so that the wind resistance can be reduced, and the wind pressure of the fan can be improved; through being provided with installation mechanism on the outer wall in the protecting crust, through being fixed with the traveller of the cover post that cup joints on two locating racks, and the one end fixedly connected with damping spring of traveller, when cooling fan used, the vibration that its produced can reduce the vibration range under damping spring's effect to can reduce the noise that its fan produced, can avoid noise pollution to operational environment's interference like this.

The purpose of the utility model can be realized by the following technical scheme:

a cooling fan for a cooling tower comprises a cooling mechanism, wherein the cooling mechanism comprises a protective shell, and an installation mechanism is arranged on the outer wall of the protective shell;

the utility model discloses a heat dissipation cover, including protective housing, mounting mechanism, fixed cylinder, heat dissipation cover, driving motor, the equal fixedly connected with in protective housing top and bottom holding ring of equal fixedly connected with and installation mechanism looks joint, the top fixedly connected with ventilation plectane of protective housing, two on the inner wall of protective housing symmetry two spliced poles of fixedly connected with, two the fixed cylinder of fixedly connected with between the spliced pole, a plurality of album aerofoil of annular equidistance fixedly connected with on the inner wall of fixed cylinder, the heat exchanger that looses has cup jointed mutually with the ventilation plectane in the fixed cylinder, the fixed cover that looses has cup jointed driving motor, fixedly connected with axis of rotation on driving motor's the output, six radiator vane of bottom annular equidistance fixedly connected with of axis of rotation, its radiator vane's the material of making is the aluminum alloy, and the blade of aluminum alloy material is not only hard, and is lighter, can improve rotation efficiency, and its self is dispelled the heat well.

Further lie in, installation mechanism includes two joint rings that cup joint mutually with the protecting crust, joint ring and holding ring looks joint, two equal fixedly connected with interconnect's connecting block, two between the top at joint ring both ends and the bottom equal fixedly connected with locating rack, two on the outer wall of joint ring the equal sliding clamping in one side of locating rack has the mount pad, can install cooling fan fast through installation mechanism, and can reduce the vibration of fan through installation mechanism to reduce the noise of fan.

The bottom of the protective shell is fixedly connected with a cover body, a grid plate is fixedly arranged at the bottom end of the cover body, and the grid plate is fixedly arranged at the bottom of the cover body, so that foreign matters and the like can be prevented from being drawn into the fan, and the fan is prevented from being broken down.

Further, a plurality of air deflectors are fixedly connected to the outer wall of the fixed cylinder at equal intervals in an annular mode, and the plurality of air deflectors are arranged on the outer wall of the fixed cylinder, so that the air flow generated by the fan can be subjected to air flow, the air resistance can be reduced, and the air pressure of the fan can be improved.

Further, a plurality of heat dissipation holes are formed in the outer wall of the heat dissipation cover in an annular equidistant mode, the top of the heat dissipation cover is fixedly connected with a connecting plate fixedly connected with a ventilation circular plate, and the plurality of heat dissipation holes are formed in the outer wall of the heat dissipation cover, so that the gathered wind current and the driving motor can be in large-area contact, and heat around the motor can be volatilized at the first time.

The heat dissipation cover is characterized in that three annular cavity columns fixed to the inner wall of the heat dissipation cover are fixedly connected to the outer wall of the driving motor at equal intervals, a plurality of vent holes are formed in the top of each annular cavity column at equal intervals in an annular mode, air flowing in the cavity columns can be accelerated through the vent holes formed in the annular cavity columns, and therefore the temperature of the annular cavity columns can be reduced, the temperature of the motor can be further reduced, and the heat dissipation capacity of the motor is improved.

Further, two sliding columns are symmetrically and fixedly connected to one side wall of the positioning frame about a vertical central plane of the positioning frame, damping springs are fixedly connected to one ends of the sliding columns, the outer walls of the sliding columns are sleeved with sleeving columns fixed to the mounting seat in a sliding mode, vibration amplitude generated by the fan can be reduced through the damping springs, noise generated by the fan can be reduced, and influence of noise pollution on workers is avoided.

The utility model has the beneficial effects that:

1. the protective shell is arranged in the cooling fan for the cooling tower, the fixed cylinder is arranged in the protective shell, the heat dissipation cover internally fixed with the driving motor is sleeved in the fixed cylinder, the wind collecting plate on the inner wall of the fixed cylinder surrounds the heat dissipation cover, the rotating shaft is driven to rotate by the driving motor, so that the plurality of aluminum alloy blades can be driven to rotate, the cooling fan can ventilate and cool the cooling tower, meanwhile, the wind flow generated by the fan can reversely ventilate the driving motor after passing through the wind collecting plate, so that the heat dissipation can be carried out on the driving motor, and because the outer wall of the driving motor is sleeved with the three annular cavity columns, the air flow in the annular cavity column 109 can be accelerated through the ventilation holes arranged on the annular cavity columns, so that the temperature of the annular cavity columns can be reduced, the heat dissipation efficiency of the motor can be further improved, and the service life of the cooling fan can be prolonged, the fixed cylinder is provided with the plurality of air deflectors, and air flow can be guided and divided through the air deflectors, so that the wind resistance can be reduced, and the wind pressure of the fan can be improved;

2. through being provided with installation mechanism on the outer wall in the protecting crust, through being fixed with the traveller of the cover post that cup joints on two locating racks, and the one end fixedly connected with damping spring of traveller, when cooling fan used, the vibration that its produced can reduce the vibration range under damping spring's effect to can reduce the noise that its fan produced, can avoid noise pollution to operational environment's interference like this.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the heat dissipation mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the fixed cylinder of the present invention;

FIG. 4 is a schematic view of the internal structure of the heat dissipation fan of the present invention;

FIG. 5 is a schematic view of the ring-shaped cavity pillar structure of the present invention;

FIG. 6 is a schematic view of the structure of the mounting mechanism of the present invention.

In the figure: 100. a heat dissipation mechanism; 101. a protective shell; 102. a positioning ring; 103. a cover body; 104. a grid plate; 105. a ventilation circular plate; 106. a connecting plate; 107. a heat dissipation cover; 108. a drive motor; 109. a ring-shaped cavity column; 110. a vent hole; 111. a rotating shaft; 112. a heat dissipating fin; 113. a fixed cylinder; 114. a wind guide sheet; 115. connecting columns; 116. a wind-collecting plate; 200. an installation mechanism; 201. a snap ring; 202. connecting blocks; 203. a positioning frame; 204. a mounting seat; 205. a traveler; 206. a damping spring; 207. the column is sleeved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, a cooling fan for a cooling tower includes a heat dissipation mechanism 100, the heat dissipation mechanism 100 includes a protective shell 101, and an installation mechanism 200 is disposed on an outer wall of the protective shell 101;

the top end and the bottom end of the protective shell 101 are fixedly connected with positioning rings 102 clamped with the mounting mechanism 200, the top of the protective shell 101 is fixedly connected with a ventilation circular plate 105, the inner wall of the protective shell 101 is symmetrically and fixedly connected with two connecting columns 115, a fixed cylinder 113 is fixedly connected between the two connecting columns 115, a plurality of air collecting plates 116 are fixedly connected with the inner wall of the fixed cylinder 113 at equal intervals in an annular mode, a heat dissipation cover 107 fixed with the ventilation circular plate 105 is sleeved in the fixed cylinder 113, a driving motor 108 is fixedly sleeved on the heat dissipation cover 107, a rotating shaft 111 is fixedly connected to the output end of the driving motor 108, six heat dissipation blades 112 are fixedly connected with the bottom end of the rotating shaft 111 at equal intervals in an annular mode, the manufactured materials of the heat dissipation blades 112 are aluminum alloys, the blades made of the aluminum alloys are not only hard, but also light, the rotating efficiency can be improved, and the self heat dissipation is good.

Installation mechanism 200 includes two joint rings 201 that cup joint mutually with protecting crust 101, joint ring 201 and holding ring 102 looks joint, equal fixedly connected with interconnect's connecting block 202 between the top at two joint ring 201 both ends and the bottom, equal fixedly connected with locating rack 203 on two joint ring 201's the outer wall, the equal slip joint in one side of two locating rack 203 has mount pad 204, can install cooling fan fast through installation mechanism 200, and can reduce the vibration of fan through installation mechanism 200, thereby reduce the noise of fan.

The bottom of the protective shell 101 is fixedly connected with a cover body 103, the bottom end of the cover body 103 is fixedly provided with a grid plate 104, and the grid plate 104 is fixedly arranged at the bottom of the cover body 103, so that foreign matters and the like can be prevented from being involved in the fan, and the problem that the fan breaks down and the like is caused.

A plurality of air deflectors 114 are fixedly connected to the outer wall of the fixed cylinder 113 in an annular equidistant mode, and the plurality of air deflectors 114 are arranged on the outer wall of the fixed cylinder 113, so that the air flow generated by the fan can be divided, the wind resistance can be reduced, and the wind pressure of the fan can be improved.

A plurality of heat dissipation holes are formed in the outer wall of the heat dissipation cover 107 at equal intervals in an annular mode, the top of the heat dissipation cover 107 is fixedly connected with a connecting plate 106 fixedly connected with a ventilation circular plate 105, and the heat dissipation holes are formed in the outer wall of the heat dissipation cover 107, so that the gathered wind current and the driving motor 108 can be in large-area contact, and heat around the driving motor 108 can be volatilized at the first time.

Three annular cavity columns 109 fixed with the inner wall of the heat dissipation cover 107 are fixedly connected to the outer wall of the driving motor 108 at equal intervals, a plurality of ventilation holes 110 are formed in the top of each annular cavity column 109 at equal intervals in an annular mode, and air flowing in the annular cavity columns 109 can be accelerated through the ventilation holes 110 formed in the annular cavity columns 109, so that the temperature of the annular cavity columns 109 can be reduced, the temperature of the driving motor 108 can be reduced, and the heat dissipation capacity of the driving motor can be improved.

Two travelers 205 of its vertical central plane symmetry fixedly connected with on the lateral wall of locating rack 203, the equal fixedly connected with damping spring 206 of one end of two travelers 205, all slide on the outer wall of two travelers 205 and cup joint the post 207 of cup jointing mutually fixed with mount pad 204, through can reduce the vibration range that the fan produced in damping spring 206 to can reduce the noise that the fan produced, avoid noise pollution to staff's influence.

The working principle is as follows: when in use, the driving motor 108 in the heat dissipation mechanism 100 can drive the rotating shaft 111 to rotate, so that the rotating shaft 111 drives the heat dissipation blades 112 at the bottom end thereof to rotate around the rotating shaft 111, thereby ventilating and cooling the cooling tower through the heat dissipation fan, the wind flow generated by the fan can be divided under the action of the wind guide sheets 114, thereby reducing the wind resistance, improving the wind pressure of the fan, and meanwhile, the wind flow can ventilate the driving motor 108 in the fixed cylinder 113 under the action of the wind collection plate 116, thereby dissipating heat of the driving motor 108, three annular cavity columns 109 are arranged on the outer wall of the driving motor 108, the air flow in the annular cavity columns 109 can be accelerated through the ventilation holes 110 arranged at the tops of the annular cavity columns 109, thereby accelerating the cooling of the annular cavity columns 109, thereby accelerating the heat dissipation of the driving motor 108, thereby improving the heat dissipation efficiency and the service life of the driving motor 108, two joint rings 201 through installation mechanism 200 cup joint with protecting crust 101 mutually, can connect joint ring 201 through connecting block 202 to can fix a position the installation to radiator fan, when radiator fan used, the vibration of its production makes traveller 205 make a round trip to slide in cup jointing post 207, can reduce the vibration of fan through damping spring 206, thereby can reduce the vibration range of both sides mount pad 204, thereby can reduce the noise that the fan produced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the utility model to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the utility model as defined in the following claims.

Claims

1. The cooling fan for the cooling tower is characterized by comprising a cooling mechanism (100), wherein the cooling mechanism (100) comprises a protective shell (101), and an installation mechanism (200) is arranged on the outer wall of the protective shell (101);

locating ring (102) of equal fixedly connected with in protecting crust (101) top and bottom and installation mechanism (200) looks joint, the top fixedly connected with ventilation plectane (105) of protecting crust (101), two spliced pole (115) of symmetry fixedly connected with on the inner wall of protecting crust (101), two fixedly connected with solid fixed cylinder (113) between spliced pole (115), a plurality of wind-collecting plate (116) of annular equidistance fixedly connected with on the inner wall of solid fixed cylinder (113), cup joint the heat exchanger (107) fixed mutually with ventilation plectane (105) in solid fixed cylinder (113), heat exchanger (107) fixed cup jointed driving motor (108), fixedly connected with axis of rotation (111) on the output of driving motor (108), six radiating vane (112) of bottom annular equidistance fixedly connected with of axis of rotation (111).

2. The cooling fan for the cooling tower as claimed in claim 1, wherein the mounting mechanism (200) comprises two clamping rings (201) sleeved with the protective shell (101), the clamping rings (201) are clamped with the positioning rings (102), the top ends and the bottom ends of the two clamping rings (201) are fixedly connected with connecting blocks (202) which are connected with each other, the outer walls of the two clamping rings (201) are fixedly connected with positioning frames (203), and one sides of the two positioning frames (203) are slidably clamped with mounting seats (204).

3. The cooling fan for a cooling tower as claimed in claim 1, wherein a cover (103) is fixedly connected to the bottom of the protective casing (101), and a grid plate (104) is fixedly arranged at the bottom end of the cover (103).

4. The cooling fan for a cooling tower as claimed in claim 1, wherein a plurality of air guiding fins (114) are fixedly connected to the outer wall of the fixed cylinder (113) in an annular shape at equal intervals.

5. The cooling fan for a cooling tower as claimed in claim 1, wherein the outer wall of the heat dissipation cover (107) is provided with a plurality of heat dissipation holes at equal intervals in a ring shape, and the top of the heat dissipation cover (107) is fixedly connected with a connecting plate (106) fixedly connected with the ventilation circular plate (105).

6. The cooling fan for the cooling tower as claimed in claim 1, wherein three annular cavity columns (109) fixed to the inner wall of the heat dissipation cover (107) are fixedly connected to the outer wall of the driving motor (108) at equal intervals, and a plurality of ventilation holes (110) are formed in the top of the annular cavity columns (109) at equal intervals in an annular shape.

7. The cooling fan for the cooling tower as claimed in claim 2, wherein two sliding columns (205) are symmetrically and fixedly connected to one side wall of the positioning frame (203) about a vertical center plane of the positioning frame, a damping spring (206) is fixedly connected to one end of each of the two sliding columns (205), and a sleeving column (207) fixed to the mounting seat (204) is slidably sleeved on an outer wall of each of the two sliding columns (205).