CN212726903U - Speed-regulating frequency converter for fan of cooling tower - Google Patents
Speed-regulating frequency converter for fan of cooling tower Download PDFInfo
- Publication number
- CN212726903U CN212726903U CN202021635970.6U CN202021635970U CN212726903U CN 212726903 U CN212726903 U CN 212726903U CN 202021635970 U CN202021635970 U CN 202021635970U CN 212726903 U CN212726903 U CN 212726903U
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- frequency converter
- baffle
- converter main
- cooling tower
- heat dissipation
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Abstract
The utility model discloses a cooling tower fan speed governing converter, including the converter main part, the air-out device is installed on the right side of converter main part shell, the left side of converter main part shell is evenly rabbeted and is had the heat dissipation fan, the left side fixed mounting of converter main part shell has the joint frame, the joint frame is located the outside of heat dissipation fan, the inside joint of joint frame has filter equipment, the air-out device includes the rectangular hole that the converter main part shell right side was evenly seted up, the inside right side fixed mounting of rectangular hole has first fender net, the left side of first fender net closely laminates and has waterproof ventilated membrane, the right side of rectangular hole articulates there is the baffle, the left side of baffle is rabbeted and is sealed the pad, sealed pad closely laminates with first fender net. This device can filter the air for the heat dissipation of air inlet department, and the during operation is opened the department of airing exhaust automatically, is closed the department of airing exhaust when out of work, avoids inside dust and foreign object enter into the converter, guarantees normal operating condition, increase of service life.
Description
Technical Field
The utility model relates to a converter technical field specifically is cooling tower fan speed governing converter.
Background
A fan speed regulation frequency converter of a cooling tower is a special frequency converter customized for various fans. The variable frequency speed regulation control technology is adopted, and the rotating speed of the fan is changed, so that the air quantity of the fan is changed to meet the requirements of the production process, the operation energy consumption is least, and the comprehensive benefit is highest.
Because there are many circuits or processing unit in the converter, these circuits and unit can generate heat in a large number in the course of the work, if can not dispel the heat to it effectively, will make the converter shut down or damage because of the high temperature, often install the heat dissipation fan on the converter and cool down, though have certain radiating effect, air intake and air exit are for a long time in the open mode, the dust enters into inside the converter easily, can influence the normal operating condition of converter in the past for a long time, shorten life, in order to solve above-mentioned problem, we propose cooling tower fan speed governing converter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cooling tower fan speed governing converter to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: cooling tower fan speed governing converter, including the converter main part, the air-out device is installed on converter main body cover's right side, the even scarf joint in left side of converter main body cover has the heat dissipation fan, the left side fixed mounting of converter main body cover has the joint frame, the joint frame is located the outside of heat dissipation fan, the inside joint of joint frame has filter equipment, the air-out device includes the rectangular hole that the converter main body cover right side was evenly seted up, the inside right side fixed mounting of rectangular hole has first fender net, the left side of first fender net closely laminates and has waterproof ventilated membrane, the right side of rectangular hole articulates there is the baffle, the left side scarf joint of baffle has sealed the pad, sealed pad closely laminates with first fender net.
Preferably, the linkage rod is installed in the rotation of the rear surface right-hand member of baffle, electric putter is installed in the rotation of the rear surface of converter main part through rotating the seat, electric putter telescopic link's outer end rotates the assembly through rotating seat and linkage rod lower extreme.
Preferably, filter equipment includes the fender ring of the inside grafting of joint frame, the inside left side fixed mounting who keeps off the ring has the second to keep off the net, the right side that the second kept off the net closely laminates there is compound filter layer, the right side that compound filter layer, fender ring closely laminates there is the filter pulp, the filter pulp right side closely laminates with the radiator fan.
Preferably, the upper side and the lower side of the clamping table of the baffle ring extend out of the outer surface of the clamping frame by 1 cm.
Preferably, the cross section of the baffle is in a right-angled triangle structure, and the upper part of the baffle is narrow and the lower part of the baffle is wide.
Preferably, the heat dissipation fan and the electric push rod are electrically connected with the frequency converter main body through wires, and the frequency converter main body is connected with an external power supply.
Compared with the prior art, the beneficial effects of the utility model are that: this cooling tower fan speed governing converter can filter the air for the heat dissipation of air inlet department, and the department of airing exhaust is opened automatically to the during operation, closes the department of airing exhaust when out of work, avoids inside dust and foreign object enter into the converter, guarantees the normal operating condition of converter, increase of service life.
Drawings
Fig. 1 is a schematic cross-sectional view of the structure of the present invention.
Fig. 2 is a rear view of the present invention.
In the figure: 1 a frequency converter main body, 2 an air outlet device, 21 a rectangular hole, 22 a waterproof and breathable film, 23 a first blocking net, 24 a sealing gasket, 25 a baffle, 3 an electric push rod, 4 a filtering device, 41 a blocking ring, 42 a second blocking net, 43 a filtering layer, 44 a filtering cotton, 5 a heat dissipation fan, 6 a clamping frame and 7 a linkage rod.
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.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: cooling tower fan speed governing converter, including converter main part 1, air-out device 2 is installed on the right side of 1 shell of converter main part, the even scarf joint in left side of 1 shell of converter main part has heat dissipation fan 5, the left side fixed mounting of 1 shell of converter main part has joint frame 6, joint frame 6 is located the outside of heat dissipation fan 5, the inside joint of joint frame 6 has filter equipment 4, air-out device 2 includes the rectangular hole 21 that 1 shell right side of converter main part evenly seted up, the inside right side fixed mounting of rectangular hole 21 has first fender net 23, the left side that first fender net 23 closely laminates has waterproof ventilated membrane 22, the right side of rectangular hole 21 articulates there is baffle 25, the left side scarf joint of baffle 25 has sealed pad 24, sealed pad 24 closely laminates with first fender net 23.
Rectangular hole 21 in the air-out device 2 can be aired exhaust, and first fender net 23 can carry out coarse filtration, avoids the foreign object to get into, and inside waterproof ventilated membrane 22 can avoid outside steam to get into converter main part 1 when guaranteeing to ventilate, causes the damage to components and parts, and baffle 25 can open and shut the action through control, and sealed pad 24 when baffle 25 is closed, closely laminates with first fender net 23, promotes the leakproofness.
The linkage rod 7 is rotatably installed at the right end of the rear surface of the baffle 25, the electric push rod 3 is rotatably installed on the rear surface of the frequency converter main body 1 through the rotating seat, and the outer end of the telescopic rod of the electric push rod 3 is rotatably assembled with the lower end of the linkage rod 7 through the rotating seat.
The electric push rod 3 is controlled to stretch and retract, and the linkage rod 7 can be pushed and pulled, so that the baffle 25 is controlled to open and close.
The filtering device 4 comprises a blocking ring 41 inserted inside the clamping frame 6, a second blocking net 42 is fixedly mounted on the left side inside the blocking ring 41, a composite filtering layer 43 is tightly attached to the right side of the second blocking net 42, filtering cotton 44 is tightly attached to the right sides of the composite filtering layer 43 and the blocking ring 41, and the right side of the filtering cotton 44 is tightly attached to the heat dissipation fan 5.
The baffle ring 41 in the filtering device 4 plays a supporting role, the second baffle net 42 has a coarse filtering capacity, foreign matters are prevented from entering, the composite filtering layer 43 and the filter cotton 44 can filter entering air, and dust is prevented from entering the frequency converter main body 1 through the heat dissipation fan 5.
The upper and lower sides of the clamping table of the retaining ring 41 extend 1 cm out of the outer surface of the clamping frame 6. The assembly and disassembly are convenient through the extended retaining ring 41 clamping table.
The cross section of the baffle 25 is of a right-angled triangle structure, and the upper part is narrow and the lower part is wide. The cross section is a right-angled triangle structure, and the baffle 25 which is narrow at the top and wide at the bottom is beneficial to the linkage rod 7 to control the opening and closing actions of the linkage rod.
The heat dissipation fan 5 and the electric push rod 3 are electrically connected with the frequency converter main body 1 through wires, and the frequency converter main body 1 is connected with an external power supply. The frequency converter main body 1 can control the working states of the heat dissipation fan 5 and the electric push rod 3.
The working principle is as follows: when the frequency converter main body 1 works, the heat dissipation fan 5 is filtered by the composite filter layer 43 and the filter cotton 44 in the filter device 4, so that clean air can be sucked in to dissipate heat of internal components; simultaneously, electric putter 3 extension can promote gangbar 7 to open baffle 25 and air exhaust, first fender net 23 in the air-out device 2 can carry out coarse filtration, avoids the foreign object to get into, and inside waterproof ventilated membrane 22 can avoid outside steam to get into converter main part 1 when guaranteeing to ventilate, causes the damage to components and parts, sealed pad 24 when baffle 25 is closed, closely laminates with first fender net 23, promotes the leakproofness, avoids the foreign object to get into.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. Cooling tower fan speed governing converter, its characterized in that: the air-conditioning system comprises a frequency converter main body (1), wherein an air outlet device (2) is installed on the right side of a shell of the frequency converter main body (1), a heat dissipation fan (5) is uniformly embedded on the left side of the shell of the frequency converter main body (1), a clamping frame (6) is fixedly installed on the left side of the shell of the frequency converter main body (1), the clamping frame (6) is located on the outer side of the heat dissipation fan (5), and a filtering device (4) is clamped inside the clamping frame (6);
air-out device (2) include rectangular hole (21) that converter main part (1) shell right side was evenly seted up, the inside right side fixed mounting of rectangular hole (21) has first fender net (23), the left side that first fender net (23) closely laminates and has waterproof ventilated membrane (22), the right side of rectangular hole (21) articulates there is baffle (25), the left side scarf joint of baffle (25) has sealed pad (24), sealed pad (24) closely laminate with first fender net (23).
2. The cooling tower fan speed regulation frequency converter of claim 1, characterized in that: the rear surface right-hand member of baffle (25) rotates and installs gangbar (7), electric putter (3) are installed through rotating the seat rotation to the rear surface of converter main part (1), the outer end of electric putter (3) telescopic link rotates the assembly through rotating seat and gangbar (7) lower extreme.
3. The cooling tower fan speed regulation frequency converter of claim 1, characterized in that: filter equipment (4) including inside fender ring (41) of pegging graft of joint frame (6), the inside left side fixed mounting that keeps off ring (41) has the second to keep off net (42), the right side that the second kept off net (42) closely laminates and has compound filter layer (43), the right side that compound filter layer (43), kept off ring (41) closely laminates and has filter pulp (44), filter pulp (44) right side and heat dissipation fan (5) closely laminate.
4. The cooling tower fan speed regulation frequency converter of claim 3, wherein: the upper side and the lower side of the clamping table of the baffle ring (41) extend out of the outer surface of the clamping frame (6) by 1 cm.
5. The cooling tower fan speed regulation frequency converter of claim 1, characterized in that: the cross section of the baffle (25) is of a right-angled triangle structure, and the upper part of the baffle is narrow and the lower part of the baffle is wide.
6. The cooling tower fan speed regulation frequency converter of claim 1, characterized in that: the heat dissipation fan (5) and the electric push rod (3) are electrically connected with the frequency converter main body (1) through wires, and the frequency converter main body (1) is connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021635970.6U CN212726903U (en) | 2020-08-10 | 2020-08-10 | Speed-regulating frequency converter for fan of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021635970.6U CN212726903U (en) | 2020-08-10 | 2020-08-10 | Speed-regulating frequency converter for fan of cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726903U true CN212726903U (en) | 2021-03-16 |
Family
ID=74912774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021635970.6U Active CN212726903U (en) | 2020-08-10 | 2020-08-10 | Speed-regulating frequency converter for fan of cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726903U (en) |
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2020
- 2020-08-10 CN CN202021635970.6U patent/CN212726903U/en active Active
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