CN217181955U - Emergency cooling fan for dry-type transformer - Google Patents
Emergency cooling fan for dry-type transformer Download PDFInfo
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- CN217181955U CN217181955U CN202220751195.3U CN202220751195U CN217181955U CN 217181955 U CN217181955 U CN 217181955U CN 202220751195 U CN202220751195 U CN 202220751195U CN 217181955 U CN217181955 U CN 217181955U
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Abstract
The utility model relates to the technical field of dry-type transformers, in particular to an emergency cooling fan of a dry-type transformer, which comprises a fan box and a fan arranged in the fan box; a front wall through hole is formed in the front wall of the fan box, a rear wall through hole is formed in the rear wall of the fan box, a fan slot is formed above the fan box, symmetrical power plugs are arranged on the inner surface of the fan box, the fan is arranged in the fan slot, and a fan jack matched with the power plug is arranged on the bottom surface of the fan; an air duct connecting pipe is arranged in the through hole of the rear wall, an air duct support, a straight air duct and a conical air duct are fixedly connected behind the air duct connecting pipe in sequence, and one end of the conical air duct with the large diameter faces upwards. The utility model relates to a rationally, the installation is simple, can reduce the inside temperature of dry-type transformer fast, and the cabinet door contactless of patrolling and examining personnel and dry-type transformer when cooling, has avoided patrolling and examining personnel to take place the risk of electrocuting.
Description
Technical Field
The utility model relates to a dry-type transformer technical field, concretely relates to emergent cooling blower of dry-type transformer.
Background
In various fields, various dry-type transformers are used as intermediate links of high-voltage and low-voltage power transmission and distribution, and have important bearing functions.
Dry-type transformers are generally installed indoors, and the cooling method is mostly air cooling. The purpose of effective cooling is achieved by adding a cabinet surface temperature controller and a cabinet bottom drum type fan. The operating personnel is through setting up the upper and lower limit of temperature setting value, and the temperature controller is from opening and stopping cooling blower, and the personnel of patrolling and examining only need the record temperature controller show the temperature can, and this kind of mode is comparatively reliable convenient. However, in daily routing inspection, an operator can also find that the temperature of the temperature controller is abnormal, the dry-type transformer is not put into operation due to the fact that the cooling fan is arranged in the dry-type transformer, and the temperature controller is not closed due to the fact that the internal contact of the temperature controller fails through inspection. Because the power supply of the dry-type transformer with the cooling fan is taken from the inside of the temperature controller, the cooling fan cannot be manually and forcibly started, and an operator can only draw an electric fan outside the dry-type transformer to cool, the cooling effect is not good due to the shielding of the cabinet body; and moreover, after the protective articles are worn by an operator, the cabinet door at the low-voltage side of the dry-type transformer is opened, a power line is led to the self-contained cooling fan to start the dry-type transformer for cooling, and the dry-type transformer is dangerous to a certain extent when the dry-type transformer is too close to a charged body during the execution in such a mode, so that the dry-type transformer is not preferable. The final solution is to remove all the loads of the dry-type transformer, and after power failure, electricity test and grounding wire hanging, the dry-type transformer is charged with new temperature controller. For a plant area of continuous production, power failure can cause great economic loss, a temperature controller has faults and can cause the transformer to operate over-temperature regardless of the fault, the transformer can jump and stop or cause accidents such as fire and the like when exceeding a certain upper temperature limit, great potential safety hazards exist, and conventional solving methods have dangerousness and poor effects, so that an effective method which is safe, has good cooling effect and can be used for emergency without power failure is urgently needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art existence, the utility model provides an emergent cooling blower of dry-type transformer.
In order to achieve the above purpose, the technical scheme of the utility model is that: an emergency cooling fan for a dry-type transformer comprises a fan box and a fan arranged in the fan box; a front wall through hole is formed in the front wall of the fan box, a rear wall through hole is formed in the rear wall of the fan box, a fan slot is formed above the fan box, symmetrical power plugs are arranged on the inner surface of the fan box, the fan is arranged in the fan slot, and a fan jack matched with the power plug is arranged on the bottom surface of the fan; an air duct connecting pipe is arranged in the through hole of the rear wall, an air duct support, a straight air duct and a conical air duct are fixedly connected behind the air duct connecting pipe in sequence, and one end of the conical air duct with the large diameter faces upwards.
Furthermore, a protection window is arranged in front of the fan box, and a plurality of ventilation holes are formed in the protection window.
Furthermore, the protection window is made of transparent materials.
Furthermore, a power supply wiring terminal is arranged below the side face of the fan box.
Further, the air duct connecting pipe is in threaded connection with the rear wall through hole.
Further, the size of the front wall through hole is the same as the size of the rear wall through hole.
Further, the thickness of the front wall is less than the thickness of the rear wall.
The utility model discloses the beneficial effect who reaches does:
1. the utility model discloses the design has straight turning loudspeaker form wind channel, can bring into the internal portion of transformer cabinet with external wind, through loudspeaker form wind channel up formation water conservancy diversion wind up, takes the heat out to play fine cooling effect.
2. The utility model discloses the design has the fan case, and the mode of pegging graft through the power provides the power for the fan, and the operation is comparatively safe, and the fan case design is in the external portion of transformer cabinet, even emergent fan damages also need not to open the transformer cabinet door, can pull out in the outside and insert the change, and the safe distance has been kept with transformer inside isolated, does not have the potential safety hazard.
3. The utility model discloses anterior design has the protection window, and the protection window adopts transparent material, and the personnel of patrolling and examining both can patrol and examine the fan operational aspect and prevented to touch with dry-type transformer again, and the ventilation hole of design simultaneously can guarantee that external cooling wind gets into cabinet internal portion, reasonable in design, safe and reliable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the disassembled structure of the present invention;
FIG. 3 is a schematic structural view of the fan box of the present invention;
FIG. 4 is a schematic view of the air duct structure of the present invention;
FIG. 5 is a connection diagram of the fan box and the air duct according to the present invention;
FIG. 6 is a connection diagram of the fan box and the protection window of the present invention;
fig. 7 is a usage state diagram of the present invention.
The notation in the figure is: 1. a fan box; 11. a rear wall; 111. a rear wall through hole; 12. a front wall; 121. a front wall through hole; 13. a power plug; 14. a power supply wiring terminal; 2. a protective window; 21. a vent hole; 3. an air duct support; 31. an air duct connecting pipe; 32. a circular through hole; 4. a straight air duct; 5. a tapered air duct; 6. a fan; 61. a fan jack; 62. a fan slot; 7. dry-type transformer cabinet door.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the dry-type transformer emergency cooling fan includes a fan box 1, a fan 6 disposed inside the fan box 1, a protection window 2 disposed in front of the fan box 1, and an air duct disposed behind the fan box 1.
The fan box 1 is of a hollow cuboid structure, a circular front wall through hole 121 is formed in the center of a front wall 12 of the fan box 1, a circular rear wall through hole 111 is formed in the center of a rear wall 11 of the fan box 1, internal threads are arranged in the rear wall through hole 111, the size of the rear wall through hole 111 is the same as that of the front wall through hole 121, and the thickness of the rear wall 11 is thicker than that of the front wall 12. A fan slot 62 is arranged above the fan box 1, and the fan slot 62 is rectangular and is slightly close to the front wall 12. Bilateral symmetry's power plug 13 is provided with above the lower surface of fan case 1, power plug 13 is located fan slot 62 below. The central position below the left side surface of the fan box 1 is provided with a power supply wiring terminal 14, the inside of the power supply wiring terminal 14 is connected to the power plug 13 through a wire, and the wire is embedded in the box body of the fan box 1.
The air duct comprises an air duct support 3, a straight air duct 4 and a conical air duct 5. The whole cuboid structure that is of wind channel support 3, the surperficial central point that the wind channel supported 3 puts and is provided with circular through-hole 32, the preceding fixed wind channel connecting pipe 31 that is provided with of circular through-hole 32, wind channel connecting pipe 31 is inside hollow cylinder structure, the external diameter of wind channel connecting pipe 31 with circular through-hole 32's diameter is the same, the outside of wind channel connecting pipe 31 is provided with the external screw thread, wind channel connecting pipe 31 with back wall through-hole 111 threaded connection. The straight air duct 4 is fixedly arranged behind the circular through hole 32, the whole straight air duct 4 is of a hollow cylinder structure, and the inner diameter of the straight air duct 4 is the same as the diameter of the circular through hole 32; the terminal fixedly connected with in straight wind channel 4 toper wind channel 5, toper wind channel 5 is whole to be cavity "back taper type loudspeaker form" structure, the one end that toper wind channel 5 diameter is big is up.
The fan 6 is a frame type large wind power axial flow fan, the whole fan 6 is of a cuboid structure, and fan jacks 61 are symmetrically arranged on the left and right of the bottom surface of the fan 6; the size of the fan 6 is matched with that of the fan slot 62, the size of the fan jack 61 is matched with that of the power plug 13, the fan jack 61 faces downwards, the fan 6 is inserted into the fan slot 62, and the fan jack 61 is effectively connected with the power plug 13.
The fan box is characterized in that the protection window 2 is arranged in front of the fan box 1, the protection window 2 is of a cuboid structure as a whole, the size of the protection window 2 is the same as that of the front wall 12, the protection window 2 is made of transparent materials, a plurality of ventilation holes 21 are uniformly formed in the protection window 2, the ventilation holes 21 are of a square structure, and the protection window 2 is adhered to the front of the fan box 1.
During the use, the staff is at dry-type transformer cabinet door 7's suitable position trompil, the trompil size with air duct connecting pipe 31's external diameter size phase-match will fan case 1 is arranged in dry-type transformer cabinet door 7 outside makes back wall 11 paste apply in on dry-type transformer cabinet door 7's the outer wall, will air duct connecting pipe 31 passes dry-type transformer cabinet door 7 go up the hole of opening with back wall through-hole 111 threaded connection, final messenger 5 wind gaps in toper wind channel have up, have accomplished this moment the utility model discloses an effectively fix. After accomplishing, come out through the wire at the temperature controller power department of dry-type transformer self-band and power all the way, be connected to power binding post 14 department has accomplished promptly the utility model discloses a power is connected. The personnel of patrolling and examining discover to lead to dry-type transformer to take cooling blower from the time of can't using because the damage of the inside contact of temperature controller, the personnel of patrolling and examining can with fan 6 inserts inside fan slot 62 makes fan jack 61 with power plug 13 effectively contacts, and power switch-on, fan 6 begins work, to the emergent cooling of dry-type transformer. It should be particularly noted that the fan 6 may be placed in the fan box 1 for a long time without being taken out, because a separate power switch may be added when the power supply of the temperature control box of the dry-type transformer is connected to the outside, and when a temperature controller fault is found and the emergency fan 6 needs to be started, the power switch may be closed.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (7)
1. The utility model provides an emergent cooling blower of dry-type transformer which characterized in that: comprises a fan box (1) and a fan (6) arranged in the fan box (1); a front wall through hole (121) is formed in a front wall (12) of the fan box (1), a rear wall through hole (111) is formed in a rear wall (11) of the fan box (1), a fan slot (62) is formed above the fan box (1), symmetrical power plugs (13) are arranged on the inner surface of the fan box (1), the fan (6) is arranged in the fan slot (62), and a fan jack (61) matched with the power plug (13) is arranged on the bottom surface of the fan (6); be provided with air duct connecting pipe (31) in back wall through-hole (111), fixedly connected with wind channel support (3), straight wind channel (4) and toper wind channel (5) in proper order behind air duct connecting pipe (31), the one end that toper wind channel (5) diameter is big up.
2. A dry-type transformer emergency cooling fan according to claim 1, characterized in that: a protective window (2) is arranged in front of the fan box (1), and a plurality of ventilation holes (21) are formed in the protective window (2).
3. A dry-type transformer emergency cooling fan according to claim 2, characterized in that: the protective window (2) is made of transparent materials.
4. A dry-type transformer emergency cooling fan according to claim 1, characterized in that: and a power supply wiring terminal (14) is arranged below the side surface of the fan box (1).
5. A dry-type transformer emergency cooling fan according to claim 1, characterized in that: the air duct connecting pipe (31) is in threaded connection with the rear wall through hole (111).
6. A dry-type transformer emergency cooling fan according to claim 1, characterized in that: the front wall through hole (121) has the same size as the rear wall through hole (111).
7. A dry-type transformer emergency cooling fan according to claim 1, characterized in that: the thickness of the front wall (12) is smaller than the thickness of the rear wall (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220751195.3U CN217181955U (en) | 2022-03-31 | 2022-03-31 | Emergency cooling fan for dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220751195.3U CN217181955U (en) | 2022-03-31 | 2022-03-31 | Emergency cooling fan for dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217181955U true CN217181955U (en) | 2022-08-12 |
Family
ID=82746030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220751195.3U Active CN217181955U (en) | 2022-03-31 | 2022-03-31 | Emergency cooling fan for dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217181955U (en) |
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2022
- 2022-03-31 CN CN202220751195.3U patent/CN217181955U/en active Active
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