CN216085907U - Multifunctional electricity control cabinet for relay protection of thermal power plant - Google Patents
Multifunctional electricity control cabinet for relay protection of thermal power plant Download PDFInfo
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- CN216085907U CN216085907U CN202122632689.8U CN202122632689U CN216085907U CN 216085907 U CN216085907 U CN 216085907U CN 202122632689 U CN202122632689 U CN 202122632689U CN 216085907 U CN216085907 U CN 216085907U
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- blades
- cleaning
- relay protection
- power plant
- thermal power
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Abstract
The utility model discloses a multifunctional power control cabinet for relay protection of a thermal power plant, which comprises a cabinet body, wherein a heat dissipation port is formed in the cabinet body, a heat dissipation fan is arranged in the heat dissipation port, the heat dissipation fan comprises a plurality of blades and a driving shaft, the blades are all arranged on the driving shaft, cleaning rings capable of cleaning dust on the blades are arranged on the blades, hairbrushes are arranged in the cleaning rings and abut against the blades, and the multifunctional power control cabinet for relay protection of the thermal power plant is different from the prior art.
Description
Technical Field
The utility model relates to the technical field of power control cabinets, in particular to a multifunctional power control cabinet for relay protection of a thermal power plant.
Background
The relay protection hardware of the thermal power plant is a computer, and is composed of hardware and software, various complex functions are realized by corresponding programs, and the microcomputer relay protection device has a self-diagnosis function, can continuously and automatically detect each part of the hardware and the program stored in an EPROM, can normally confirm that the device is intact as long as no alarm is given after the power is switched on once the abnormality is found, and thus, the workload of operation and maintenance is greatly reduced.
However, in the use process of the existing multifunctional power control cabinet for relay protection of a thermal power plant, the following problems exist, a lot of dust is attached to fan blades after long-time use, the accumulated dust can increase resistance, the original aerodynamic appearance is damaged, the efficiency is reduced, and the heat dissipation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional power control cabinet for relay protection of a thermal power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a multifunctional power control cabinet for relay protection of a thermal power plant comprises a cabinet body, wherein a heat dissipation opening is formed in the cabinet body, a heat dissipation fan is arranged inside the heat dissipation opening and comprises a plurality of blades and a driving shaft, the blades are all arranged on the driving shaft, cleaning rings capable of cleaning dust on the blades are arranged on the blades, hairbrushes are arranged inside the cleaning rings and abut against the blades, and when the heat dissipation fan is started, centrifugal force drives the cleaning rings to move to the outer side of the heat dissipation fan;
the fan cleaning device is characterized in that a groove is formed in the driving shaft, a limiting device is arranged in the groove, a plurality of through grooves are further formed in one end of the driving shaft, pull ropes are arranged in the through grooves, one ends of the pull ropes are correspondingly connected with the cleaning rings respectively, the other ends of the pull ropes are connected with the limiting device, and the limiting device binds the cleaning rings to one side, close to the driving shaft, of the blades through the pull ropes when the cooling fan is not started or the starting is finished.
Preferably, a pull ring is mounted on the cleaning ring at a side close to the driving shaft, the pull rope needs to be tied on the pull ring, and the worn cleaning ring can be replaced by disconnecting the pull rope and the pull ring.
Preferably, the limiting device comprises a baffle plate, the baffle plate is installed at one end, far away from the cooling fan, of the driving shaft, a spring is arranged on the baffle plate, the maximum length of the spring capable of being compressed is smaller than the length of the blades, one end of the spring is connected with the baffle plate, a cover is arranged at the other end of the spring, a plurality of through holes are formed in the cover, and the pull ropes correspond to the through holes one to one and are connected with the baffle plate through the through holes.
Preferably, the cover is connected with the driving shaft through threads, and an auxiliary rod is arranged on the cover.
Preferably, a pulley is arranged at the notch of the through groove, and the pulley changes pulling friction of the pull rope into rolling friction.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is different from the prior art, in the using process, the centrifugal force provided by the rotation of the fan drives the cleaning ring to move outwards, the cleaning ring finishes the cleaning of the blades for one time, and the cleaning ring is pulled to the driving shaft by the spring and the pull rope in the limiting device when the fan is static, and finishes the cleaning for another time, thereby increasing the air volume brought by the rotation of the blades and improving the heat dissipation efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a blade according to the present invention;
fig. 3 is a schematic sectional view of the driving shaft of the present invention.
In the figure: 1-a cabinet body; 3-a blade; 4-a drive shaft; 5-cleaning a ring; 51-a pull ring; 6-a restriction device; 61-a baffle; 62-a spring; 63-a lid; 64-a through hole; 65-auxiliary rod; 7-pulling a rope; 8-through grooves; 9-a groove; 10-pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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. 1-3, the present invention provides a technical solution: a multifunctional power control cabinet for relay protection of a thermal power plant comprises a cabinet body 1, wherein a heat dissipation opening is formed in the cabinet body 1, a heat dissipation fan is arranged inside the heat dissipation opening and comprises a plurality of blades 3 and a driving shaft 4, the blades 3 are all arranged on the driving shaft 4, a driving motor is arranged in the cabinet body 1, the driving motor is not shown in the drawing because a driving machine does not relate to the protection range of the multifunctional power control cabinet, the driving motor drives the driving shaft to rotate, cleaning rings 5 capable of cleaning dust on the blades 3 are arranged on the blades 3, hairbrushes are arranged inside the cleaning rings 5 and abut against the blades 3, when the heat dissipation fan is started, centrifugal force drives the cleaning rings 5 to move to the outer side of the heat dissipation fan, and one-time cleaning of the blades 3 is completed through the movement of the cleaning rings 5;
the fan cleaning device is characterized in that a groove 9 is formed in the driving shaft 4, a limiting device 6 is arranged in the groove 9, a plurality of through grooves 8 are further formed in one end of the driving shaft 4, pull ropes 7 are arranged in the through grooves 8, one ends of the pull ropes 7 are correspondingly connected with the cleaning rings 5 respectively, the other ends of the pull ropes are connected with the limiting device 6, and the limiting device 6 binds the cleaning rings 5 to one side, close to the driving shaft 4, of the blades 3 through the pull ropes 7 when the cooling fan is not started or is started.
A pull ring 51 is arranged on one side of the cleaning ring 5 close to the driving shaft 4, the pull rope 7 needs to be tied on the pull ring 51, the connection between the pull rope 7 and the pull ring 51 is disconnected, and the worn cleaning ring 5 can be replaced.
The limiting device 6 comprises a baffle 61, the baffle 61 is installed at one end, far away from the cooling fan, of the driving shaft 4, a spring 62 is arranged on the baffle 61, the maximum length, capable of being compressed, of the spring 62 is smaller than the length of the blade 3, one end of the spring 62 is connected with the baffle 61, the other end of the spring 62 is provided with a cover 63, a plurality of through holes 64 are formed in the cover 63, the pull ropes 7 correspond to the through holes 64 in a one-to-one mode and are connected with the baffle 61 through the through holes 64, the driving shaft 4 rotates, the pull ropes 7 are pulled by the cleaning ring 5 to drive the baffle 61, and the spring 62 is compressed.
The cover 63 is connected with the driving shaft 4 through threads, and the auxiliary rod 65 is arranged on the cover 63, so that the cover 63 can be conveniently detached in a rotating mode, and the spring 62 and the pull rope 7 can be replaced through detaching the cover 63.
The pulley 10 is arranged at the notch of the through groove 8, and the pulley 10 changes the pulling friction of the pull rope 7 into rolling friction, so that the friction force is reduced, and the service life of the pull rope 7 is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a relay protection of thermal power plant is with multi-functional accuse electric cabinet, includes the cabinet body (1), the cabinet body (1) is equipped with the thermovent, the inside radiator fan that is equipped with of thermovent, radiator fan includes a plurality of blades (3) and drive shaft (4), blade (3) are all installed on drive shaft (4), its characterized in that: the blades (3) are respectively provided with a cleaning ring (5) capable of cleaning dust on the blades (3), the cleaning rings (5) are internally provided with a hairbrush, the hairbrushes are abutted against the blades (3), and when the cooling fan is started, centrifugal force drives the cleaning rings (5) to move to the outer side of the cooling fan;
be equipped with recess (9) in drive shaft (4), be equipped with limiting device (6) in recess (9), drive shaft (4) one end still is equipped with a plurality of logical groove (8), all be equipped with stay cord (7) in leading to groove (8), stay cord (7) one end corresponds with cleaning ring (5) respectively and links to each other, and the other end links to each other with limiting device (6), limiting device (6) are when radiator fan does not start or start the end, are close to drive shaft (4) one side at blade (3) through stay cord (7) with cleaning ring (5) constraint.
2. The multifunctional power control cabinet for relay protection of the thermal power plant according to claim 1, characterized in that: a pull ring (51) is installed on one side, close to the driving shaft (4), of the cleaning ring (5), the pull rope (7) needs to be tied to the pull ring (51), the connection between the pull rope (7) and the pull ring (51) is unfastened, and the worn cleaning ring (5) can be replaced.
3. The multifunctional power control cabinet for relay protection of the thermal power plant according to claim 1, characterized in that: limiting device (6) are including baffle (61), radiator fan one end is kept away from in drive shaft (4) is installed to baffle (61), be equipped with spring (62) on baffle (61), the maximum length that spring (62) can compress is less than the length of blade (3), spring (62) one end is connected with baffle (61), and the other end is equipped with lid (63), be equipped with a plurality of through-holes (64) on lid (63), stay cord (7) and through-hole (64) one-to-one and be connected with baffle (61) through-hole (64).
4. The multifunctional power control cabinet for relay protection in a thermal power plant according to claim 3, characterized in that: the cover (63) is in threaded connection with the driving shaft (4), and an auxiliary rod (65) is arranged on the cover (63).
5. The multifunctional power control cabinet for relay protection of the thermal power plant according to claim 1, characterized in that: a pulley (10) is arranged at the notch of the through groove (8), and the pulley (10) changes pulling friction of the pull rope (7) into rolling friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632689.8U CN216085907U (en) | 2021-10-29 | 2021-10-29 | Multifunctional electricity control cabinet for relay protection of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632689.8U CN216085907U (en) | 2021-10-29 | 2021-10-29 | Multifunctional electricity control cabinet for relay protection of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216085907U true CN216085907U (en) | 2022-03-18 |
Family
ID=80642788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122632689.8U Active CN216085907U (en) | 2021-10-29 | 2021-10-29 | Multifunctional electricity control cabinet for relay protection of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216085907U (en) |
-
2021
- 2021-10-29 CN CN202122632689.8U patent/CN216085907U/en active Active
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