CN218414339U - Generator outlet circuit breaker for large-scale gas-steam combined cycle heat supply unit - Google Patents
Generator outlet circuit breaker for large-scale gas-steam combined cycle heat supply unit Download PDFInfo
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- CN218414339U CN218414339U CN202222037778.2U CN202222037778U CN218414339U CN 218414339 U CN218414339 U CN 218414339U CN 202222037778 U CN202222037778 U CN 202222037778U CN 218414339 U CN218414339 U CN 218414339U
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- Prior art keywords
- circuit breaker
- transmission case
- wind
- mount pad
- rotation
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 230000002146 bilateral effect Effects 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model discloses a generator outlet circuit breaker that large-scale gas-steam combined cycle heat supply unit used relates to circuit breaker application technology field, including mount pad and circuit breaker casing, the mount pad is equipped with the transmission case with the relative terminal surface of circuit breaker casing, the transmission case passes through screw and circuit breaker casing installation with the mount pad looks back, the inside rotation of transmission case is connected with the axis of rotation, fixed mounting has the wind wheel group in the axis of rotation, the axis of rotation is driven by driving motor, the wind-guiding structure is installed to transmission case bilateral symmetry, the wind-guiding structure includes the wind scooper, the wind scooper evenly is equipped with radiating fin with circuit breaker casing opposite face, be equipped with the second through-hole between the adjacent radiating fin, the mount pad is equipped with the ventilation groove with the circuit breaker casing back, ventilation inslot portion is equipped with guard flap. The circuit breaker ventilation device can ventilate the circuit breaker from a plurality of directions of the circuit breaker, guarantees the heat dissipation uniformity of the circuit breaker, and is assisted by the heat dissipation fins arranged in the air guide cover, so that the heat dissipation effect of the circuit breaker is improved.
Description
Technical Field
The utility model relates to a technical field is used to the circuit breaker, specifically is a generator outlet circuit breaker that large-scale gas-steam combined cycle heat supply unit used.
Background
The gas-steam combined cycle generator set adopting natural gas as fuel replaces a coal-fired generator set, so that the pollution to the atmosphere can be greatly reduced, the emission of greenhouse gas is reduced, and the heat efficiency is higher than that of coal-fired power generation. Among them, the application to the generator outlet circuit breaker is comparatively general.
The circuit breaker is a switching device capable of closing, carrying and opening a current under a normal circuit condition and closing, and carrying and opening a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range thereof, and generally comprises a contact system, an arc extinguishing system, an operating mechanism, a release, a housing and the like. When they are in serious overload or short circuit or under-voltage, the circuit can be automatically cut off, and its function is equivalent to the combination of fuse switch and over-and under-heat relay.
The existing circuit breaker heat dissipation device is basically installed in the box body, most of the existing circuit breaker heat dissipation devices adopt an air cooling mode for heat dissipation, the heat dissipation effect is poor, when the circuit breaker generates a large amount of heat, the heat which cannot be generated is rapidly discharged, the heat dissipation time is long, and the circuit breaker heat dissipation is not facilitated. In view of the above, a generator outlet circuit breaker for a large gas-steam combined cycle heat supply unit is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a generator outlet circuit breaker that large-scale gas-steam combined cycle heat supply unit used to solve the current circuit breaker radiating effect that proposes in the above-mentioned background art not good, when the circuit breaker produced a large amount of heats, the heat that can not make the production was discharged fast, and the radiating time is long, is unfavorable for the radiating problem of circuit breaker.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a generator outlet circuit breaker that large-scale gas-steam combined cycle heat supply unit used, includes mount pad and circuit breaker casing, the relative terminal surface of mount pad and circuit breaker casing is equipped with the transmission case, there is the circuit breaker casing transmission case with the mount pad looks back through screw fixed mounting, the inside rotation of transmission case is connected with the axis of rotation, fixed mounting has the fan group in the axis of rotation, the axis of rotation is driven by driving motor, the transmission case bilateral symmetry installs the wind-guiding structure, the wind-guiding structure includes the wind scooper, the wind scooper evenly is equipped with radiating fin with circuit breaker casing opposite face, and is adjacent be equipped with the second through-hole between the radiating fin, the mount pad is equipped with the ventilation groove with circuit breaker casing looks back, ventilation inslot portion is equipped with guard flap, the last filtration pore board that evenly is equipped with of guard flap.
Preferably, a first through hole is formed in the opposite surface of the mounting seat and the filter orifice plate, and the first through hole is communicated with the inner cavity of the transmission case.
Preferably, the wind scoopers are communicated with the inner cavity of the transmission case and are symmetrically arranged on two sides of the transmission case.
Preferably, a space is arranged between the radiating fin and the breaker shell, and the opposite surface of the breaker shell and the radiating fin is perpendicular to the radiating fin.
Preferably, a plurality of air guide holes are formed in the opposite surface of the transmission case and the circuit breaker shell.
Preferably, the rotating shaft, the wind wheel set and the driving motor are all arranged inside the transmission case.
Preferably, the first through hole and the second through hole have center lines perpendicular to each other.
Advantageous effects
1. The utility model provides a generator outlet circuit breaker that large-scale gas-steam combined cycle heat supply unit used, through the generator outlet circuit breaker who uses the heat supply unit that will circulate, install on the mount pad, and set up the transmission case at the mount pad rather than corresponding terminal surface, under driving motor's effect, the axis of rotation in the transmission case drives the rotation of fan wheel group, ventilate the heat dissipation to the circuit breaker forward from the back, meanwhile, through the setting up of the wind-guiding structure of setting up in the transmission case both sides, make the inside wind-force that produces of transmission case can also ventilate the circuit breaker from the both sides of circuit breaker, in this process, locate the inside radiating fin of wind scooper and can assist the fan wheel group to reduce the heat of circuit breaker, the heat dissipation homogeneity of circuit breaker has been ensured, the radiating effect of circuit breaker has been improved.
The method comprises the following steps: the driving motor 10 is started, under the action of the driving motor 10, the rotating shaft 8 in the transmission case 3 drives the wind wheel set 9 to rotate, the circuit breaker is ventilated and cooled from back to front, meanwhile, the wind guide structures 5 arranged on the two sides of the transmission case 3 are used for ventilating the circuit breaker from the two sides of the circuit breaker by wind power generated inside the transmission case 3, the ventilation area of the circuit breaker is increased, in the process, the heat dissipation fins 52 arranged inside the wind guide cover 51 can assist the wind wheel set 9 to reduce the heat of the circuit breaker, the heat dissipation uniformity of the circuit breaker is guaranteed, and the heat dissipation effect of the circuit breaker is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention, partially cut away;
fig. 3 is a schematic front view of the present invention;
fig. 4 is a schematic view of the protective baffle of the present invention.
In the figure: 1. a mounting seat; 2. a ventilation slot; 3. a transmission case; 4. a circuit breaker housing; 5. a wind guide structure; 51. a wind scooper; 52. a heat dissipating fin; 53. a second through hole; 6. a protective baffle; 61. a filter orifice plate; 7. a first through hole; 8. a rotating shaft; 9. a wind wheel set; 10. the motor is driven.
Detailed Description
The embodiment is as follows: referring to fig. 1-4, the present invention provides a technical solution: a generator outlet circuit breaker for a large-scale gas-steam combined cycle heat supply unit mainly aims at improving the heat dissipation problem in the use process of replacing a coal-fired generator outlet circuit breaker by a gas-steam combined cycle generator unit taking natural gas as fuel. The specific scheme is as follows: the mounting seat 1 can be fixed on equipment through screws and comprises a mounting seat 1 and a breaker shell 4. The end face of the mounting seat 1 opposite to the breaker shell 4 is provided with a transmission case 3, and the transmission case 3 and the mounting seat 1 are fixedly mounted. Wherein, a plurality of wind-guiding holes are opened on the opposite surface of the transmission case 3 and the breaker shell 4. The arrangement of the air guide hole can facilitate the guiding of the air in the transmission case 3 into the breaker shell 4.
There is circuit breaker casing 4 through screw fixed mounting on the back at transmission case 3 and mount pad 1, and 3 inside rotations of transmission case are connected with axis of rotation 8, and fixed mounting has wind wheel set 9 on the axis of rotation 8, and axis of rotation 8 is driven by driving motor 10, and transmission case 3 is all located inside to axis of rotation 8, wind wheel set 9 and driving motor 10. Under the effect of driving motor 10, axis of rotation 8 rotates, can drive the windwheel group 9 and rotate, can accelerate the draught area of circuit breaker through windwheel group 9.
Further, air guide structures 5 are symmetrically installed on two sides of the transmission case 3, wherein each air guide structure 5 comprises an air guide cover 51, and the air guide covers 51 are fixedly welded on the transmission case 3. The wind scoopers 51 are communicated with the inner cavity of the transmission case 3, and the wind scoopers 51 are symmetrically arranged on two sides of the transmission case 3. The wind scooper 51 can guide the wind generated from the transmission case 3. The air guide cover 51 and the breaker case 4 are uniformly provided with heat dissipating fins 52 on opposite surfaces thereof. Wherein, a distance is provided between the heat dissipation fin 52 and the circuit breaker housing 4, and the opposite surfaces of the circuit breaker housing 4 and the heat dissipation fin 52 are perpendicular to the heat dissipation fin 52. Specifically, the distance between the heat dissipating fins 52 and the circuit breaker case 4 is about 2mm. The heat dissipation fins 52 are fixedly welded on the wind scooper 51, and through the arrangement of the heat dissipation fins 52, after wind power generated by the transmission case 3 enters the wind scooper 51, the wind can dissipate heat of the heat dissipation fins 52, and the heat dissipation effect of the heat dissipation fins 52 on the circuit breaker is guaranteed.
In this embodiment, be equipped with second through-hole 53 between the adjacent radiating fin 52, mount pad 1 is equipped with ventilation groove 2 with circuit breaker housing 4 back of the body, and ventilation groove 2 is inside to be equipped with guard plate 6, evenly is equipped with filtration pore board 61 on guard plate 6. The filtering hole plate 61 is an activated carbon net, the activated carbon net can filter entering air, dust is effectively prevented from falling into the breaker, and the using effect of the breaker is guaranteed. A first through hole 7 is formed in the opposite surface of the mounting seat 1 and the filtering pore plate 61, and the first through hole 7 is communicated with the inner cavity of the transmission case 3. The first through hole 7 and the second through hole 53 have center lines perpendicular to each other. The second through hole 53 can facilitate the discharge of hot air inside the air guide cover 51 to the outside thereof, so that the exchange of cold air and hot air is realized. And the first through hole 7 can realize the circulation of hot air and cold air in the box body.
Claims (3)
1. The utility model provides a generator outlet circuit breaker that large-scale gas-steam combined cycle heat supply unit used, includes mount pad (1) and circuit breaker casing (4), its characterized in that: the utility model discloses a circuit breaker, including mount pad (1), circuit breaker casing (4), transmission case (3), drive shaft (3) and mount pad (1) are mutually opposite face and are equipped with transmission case (3) through screw fixed mounting circuit breaker casing (4), transmission case (3) internal rotation is connected with axis of rotation (8), fixed mounting has wind wheel group (9) on axis of rotation (8), axis of rotation (8) are driven by driving motor (10), wind-guiding structure (5) are installed to transmission case (3) bilateral symmetry, wind-guiding structure (5) are including wind scooper (51), wind scooper (51) evenly are equipped with radiating fin (52) with circuit breaker casing (4) opposite face, and are adjacent be equipped with second through-hole (53) between radiating fin (52), mount pad (1) and circuit breaker casing (4) are mutually opposite face and are equipped with ventilation groove (2), ventilation groove (2) inside is equipped with guard flap (6), evenly be equipped with filtration orifice plate (61) on guard flap (6).
2. A generator outlet circuit breaker for a large gas-steam combined cycle heating unit according to claim 1, characterized in that: a first through hole (7) is formed in the opposite surface of the mounting seat (1) and the filtering pore plate (61), and the first through hole (7) is communicated with the inner cavity of the transmission case (3); the wind scoopers (51) are communicated with the inner cavity of the transmission case (3), and the wind scoopers (51) are symmetrically arranged on two sides of the transmission case (3); a space is arranged between the heat dissipation fins (52) and the breaker shell (4), and the opposite surfaces of the breaker shell (4) and the heat dissipation fins (52) are perpendicular to the heat dissipation fins (52).
3. A generator outlet circuit breaker for a large gas-steam combined cycle heating unit according to claim 2, characterized in that: a plurality of air guide holes are formed in the opposite surfaces of the transmission case (3) and the breaker shell (4); the rotating shaft (8), the wind wheel set (9) and the driving motor (10) are all arranged in the transmission case (3); the central lines of the first through hole (7) and the second through hole (53) are perpendicular to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222037778.2U CN218414339U (en) | 2022-08-04 | 2022-08-04 | Generator outlet circuit breaker for large-scale gas-steam combined cycle heat supply unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222037778.2U CN218414339U (en) | 2022-08-04 | 2022-08-04 | Generator outlet circuit breaker for large-scale gas-steam combined cycle heat supply unit |
Publications (1)
Publication Number | Publication Date |
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CN218414339U true CN218414339U (en) | 2023-01-31 |
Family
ID=85014736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222037778.2U Expired - Fee Related CN218414339U (en) | 2022-08-04 | 2022-08-04 | Generator outlet circuit breaker for large-scale gas-steam combined cycle heat supply unit |
Country Status (1)
Country | Link |
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CN (1) | CN218414339U (en) |
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2022
- 2022-08-04 CN CN202222037778.2U patent/CN218414339U/en not_active Expired - Fee Related
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230131 |
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CF01 | Termination of patent right due to non-payment of annual fee |