CN219892126U - Low-noise circuit breaker - Google Patents
Low-noise circuit breaker Download PDFInfo
- Publication number
- CN219892126U CN219892126U CN202321647798.XU CN202321647798U CN219892126U CN 219892126 U CN219892126 U CN 219892126U CN 202321647798 U CN202321647798 U CN 202321647798U CN 219892126 U CN219892126 U CN 219892126U
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- low
- circuit breaker
- noise circuit
- noise
- fixedly arranged
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- 239000000428 dust Substances 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000013019 agitation Methods 0.000 description 8
- 230000009467 reduction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of circuit breakers and discloses a low-noise circuit breaker which comprises a base, wherein a low-noise circuit breaking assembly is fixedly arranged at the center of the upper surface of the base, a fixing assembly is arranged on the outer side of the base, and a low-noise heat dissipation mechanism is arranged on the outer side of the low-noise circuit breaking assembly. This low noise circuit breaker, through the dust cover that sets up, the cooperation of heat dissipation casing, dust screen and louvre, avoid external impurity such as dust to fall on low-noise circuit breaking assembly surface and lead to temperature rise and noise grow, simultaneously through the low-speed fan of setting, expand fan housing and the cooperation of smooth pipeline, use lower power to take away the heat of low-noise circuit breaking assembly surface gathering fast, through the cooperation of lower otic placode that sets up, the guide bar, go up otic placode, the guiding hole and bolt, can accomplish the installation to the dust cover fast accurately, unscrew the bolt and can dismantle the dust cover when need overhauling low-noise circuit breaking assembly, easy and simple to handle.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a low-noise circuit breaker.
Background
The circuit breaker is widely used in industrial production and daily life, and the main function is to switch on and off the circuit, and the circuit breaker can cut off the circuit under the conditions of short circuit and serious overload, so that electric appliances in the circuit are effectively protected, and the circuit breaker for high voltage, most commonly a gas circuit breaker and a vacuum circuit breaker, can generate noise in circuit equipment and mechanical structures in the circuit breaker during operation, and cause noise pollution to surrounding environment.
According to a low-noise circuit breaker (publication number: CN 210110635U) disclosed in the application, a noise reduction technology is adopted, a panel of a base is arranged to be of a multi-layer noise reduction structure, the low-noise circuit breaker specifically comprises a sound absorbing plate, a vacuum layer with a multi-layer vacuum cavity and a sound insulating plate, a sleeve is arranged to be of a layered structure consisting of the sound absorbing plate and the sound insulating plate, and a gap inside a circuit breaking assembly is pumped into a vacuum area.
However, in the actual use process of the device, in order to reduce noise generated when the circuit breaker works, the multi-layer noise reduction structure arranged on the outer side of the circuit breaking assembly can seriously influence the heat dissipation of the circuit breaking assembly, and the higher the internal temperature of the circuit breaker is, the higher the resistance is, the larger the noise amplitude is, so that the noise reduction effect is influenced, and even the service life of the circuit breaker is also influenced; in view of this, we propose a low noise circuit breaker.
Disclosure of Invention
The present utility model is directed to a low noise circuit breaker to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low noise circuit breaker, includes the base, the upper surface center department fixed mounting of base has low-noise circuit breaker subassembly, the outside of base is provided with fixed subassembly, the outside of low-noise circuit breaker subassembly is provided with low-noise heat dissipation mechanism, low-noise heat dissipation mechanism includes:
the dustproof cover is fixedly arranged on the upper surface of the base through the fixing component, a radiating shell is fixedly arranged at the left end of the dustproof cover, a dustproof net is fixedly arranged at the left end of the radiating shell, a low-speed fan is fixedly arranged in the radiating shell, and air can be supplied to the inside of the dustproof cover when the low-speed motor is started;
the wind expansion cover is fixedly arranged on the left inner wall surface of the dust cover, a gentle pipeline is fixedly arranged at the right end of the wind expansion cover, a supporting rod is fixedly arranged on the upper surface of the gentle pipeline, and the wind speed can be increased through the arranged wind expansion cover and the gentle pipeline;
and the radiating holes are formed in the right side surface of the dust cover, and can enable redundant air in the dust cover to be discharged.
Preferably, the interior of the heat dissipation shell is communicated with the interior of the air expansion cover.
Preferably, the gentle duct is located directly to the left of the low-noise circuit breaker assembly.
Preferably, the top end of the supporting rod is fixedly connected with the inner top surface of the dust cover.
Preferably, the fixing assembly includes:
the lower ear plate is fixedly arranged on the outer wall surface of the base, and a guide rod is fixedly arranged on the upper surface of the lower ear plate;
go up the otic placode, go up otic placode fixed mounting at the outer wall surface of dust cover, the guiding hole has been seted up to the upper surface of last otic placode, the top of going up the otic placode is provided with the bolt, and the guide bar and the guiding hole of setting can lead spacingly to the installation of last otic placode.
Preferably, the size of the guide hole is matched with the size of the guide rod, and the lower ear plate and the upper ear plate are fixedly connected through bolts.
Compared with the prior art, the utility model provides a low-noise circuit breaker, which has the following beneficial effects:
1. this low noise circuit breaker, through the dust cover that sets up, the cooperation of heat dissipation casing, dust screen and louvre, avoid external impurity such as dust to fall on low noise circuit breaker subassembly surface and lead to temperature rise and noise grow, simultaneously through the low-speed fan that sets up, expand the fan housing and the cooperation of smooth pipeline, use lower power to take away the heat of low noise circuit breaker subassembly surface gathering fast, further noise reduction's production, and the multilayer that avoids low noise circuit breaker subassembly inside to set up falls the heat dissipation of structure influence circuit breaker, reduce noise reduction effect and circuit breaker's life.
2. This low noise circuit breaker, through the cooperation of lower otic placode, guide bar, upper otic placode, guiding hole and the bolt that sets up, can accomplish the installation to the dust cover fast accurately, unscrew the bolt and can dismantle the dust cover when need overhauling low noise circuit breaking assembly, easy and simple to handle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model at A;
fig. 3 is a schematic view of the structure of the present utility model with a front side partially cut away.
In the figure: 1. a base; 2. a low-noise circuit breaking assembly; 3. a low-noise heat dissipation mechanism; 301. a dust cover; 302. a heat dissipation housing; 303. a dust screen; 304. a low-speed fan; 305. a wind expansion cover; 306. a gentle duct; 307. a support rod; 308. a heat radiation hole; 4. a fixing assembly; 401. a lower ear plate; 402. a guide rod; 403. an upper ear plate; 404. a guide hole; 405. and (5) a bolt.
Detailed Description
As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a low noise circuit breaker, includes base 1, and base 1's panel sets up to the multilayer structure of making an uproar that falls, specifically includes abatvoix, possess vacuum layer, the acoustic celotex board of multilayer vacuum chamber, can carry out good absorption to the noise that the circuit breaker produced, and base 1's upper surface center department fixed mounting has low-noise circuit breaker assembly 2, and base 1's outside is provided with fixed subassembly 4, and low-noise circuit breaker assembly 2's outside is provided with low-noise heat dissipation mechanism 3.
The low-noise heat dissipation mechanism 3 includes: dust cover 301, expand fan housing 305 and louvre 308, dust cover 301 passes through fixed subassembly 4 fixed mounting at the upper surface of base 1, and the dust cover 301 of setting can protect the outside of low agitation circuit breaker assembly 2 and handle, avoids impurity such as dust to be stained with the heat dissipation that influences low agitation circuit breaker assembly 2 that the surface of low agitation circuit breaker assembly 2 leads to, and when low agitation circuit breaker assembly 2 surface temperature constantly gathers when rising, because the temperature is higher, the resistance is higher, and noise amplitude can also be greater.
The left end fixed mounting of dust cover 301 has heat dissipation casing 302, heat dissipation casing 302's left end fixed mounting has dust screen 303, can avoid impurity such as external dust to get into the inside heat dissipation that influences low-agitation circuit breaking assembly 2 of dust cover 301 through heat dissipation casing 302 through setting up the dust screen 303, heat dissipation casing 302's inside fixed mounting has low-speed fan 304, can constantly draw outside air to blow to dust cover 301 inside when low-speed fan 304 starts, take away low agitation circuit breaking assembly 2 surface temperature fast, accelerate the heat dissipation of low agitation circuit breaking assembly 2.
The fan housing 305 is fixedly installed on the left inner wall surface of the dust cover 301, the inside of the heat dissipation shell 302 is mutually communicated with the inside of the fan housing 305, a gentle pipeline 306 is fixedly installed at the right end of the fan housing 305, the gentle pipeline 306 is located right left of the low-noise circuit breaking assembly 2, a supporting rod 307 is fixedly installed on the upper surface of the gentle pipeline 306, the top end of the supporting rod 307 is fixedly connected with the inner top surface of the dust cover 301, a heat dissipation hole 308 is formed in the right surface of the dust cover 301, wind generated by the low-speed fan 304 enters the gentle pipeline 306 through the fan housing 305 and then blows to the surface of the low-noise circuit breaking assembly 2, and when the wind enters the smaller gentle pipeline 306 from the larger fan housing 305, due to the fact that the ventilation area is reduced, the corresponding wind speed is increased, heat accumulated on the surface of the low-noise circuit breaking assembly 2 can be taken away more quickly, the right air outlet of the gentle pipeline 306 can be better adapted to the size of the low-noise circuit breaking assembly 2 at the moment, wind waste is avoided, and the same effect can be brought by using smaller power, so that noise is reduced.
The fixing assembly 4 includes: the lower otic placode 401 and go up otic placode 403, lower otic placode 401 fixed mounting is at the outer wall surface of base 1, the last fixed surface of lower otic placode 401 installs guide bar 402, go up otic placode 403 fixed mounting and have seted up guiding hole 404 at the outer wall surface of dust cover 301, go up the upper surface of otic placode 403, the size of guiding hole 404 and the mutual adaptation of the size of guide bar 402, the top of going up otic placode 403 is provided with bolt 405, pass through bolt 405 fixed connection between lower otic placode 401 and the last otic placode 403, the installation of upper otic placode 403 and last otic placode 403 can be guided spacing by guiding hole 404 and guide bar 402 that sets up, thereby the convenience is to screw up bolt 405, when dust cover 301 needs to be taken down and examine and repair low agitation circuit breaker assembly 2, screw down bolt 405 can.
In the utility model, when the dust cover 301 is used, the upper lug plate 403 and the upper lug plate 403 are attached through the guide holes 404 and the guide rods 402 and fixed through the bolts 405, so that the dust cover 301 is installed, then the low-speed fan 304 is started, external air is extracted to blow and dissipate heat to the low-noise circuit breaking assembly 2, the temperature rise caused by the heat accumulation on the surface of the low-noise circuit breaking assembly 2 is avoided, meanwhile, the wind speed is increased through the matching of the arranged wind expansion cover 305 and the flat pipeline 306 and the shape of the low-noise circuit breaking assembly 2 is more adapted, the surface heat of the low-noise circuit breaking assembly 2 is more quickly carried away, the same heat is carried away by using lower working power of the low-speed fan 304, and therefore, the noise is reduced, and when the dust cover 301 needs to be taken down to overhaul the low-noise circuit breaking assembly 2, the bolts 405 are unscrewed.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a low noise circuit breaker, includes base (1), the upper surface center department fixed mounting of base (1) has low-noise circuit breaking assembly (2), its characterized in that: the outside of base (1) is provided with fixed subassembly (4), the outside of low-noise circuit breaker subassembly (2) is provided with low-noise heat dissipation mechanism (3), low-noise heat dissipation mechanism (3) include:
the dustproof cover (301), the dustproof cover (301) is fixedly arranged on the upper surface of the base (1) through the fixing component (4), a radiating shell (302) is fixedly arranged at the left end of the dustproof cover (301), a dustproof net (303) is fixedly arranged at the left end of the radiating shell (302), and a low-speed fan (304) is fixedly arranged in the radiating shell (302);
the air expansion cover (305), the air expansion cover (305) is fixedly arranged on the left inner wall surface of the dust cover (301), a gentle pipeline (306) is fixedly arranged at the right end of the air expansion cover (305), and a supporting rod (307) is fixedly arranged on the upper surface of the gentle pipeline (306);
and the radiating holes (308) are formed in the right side surface of the dust cover (301).
2. A low noise circuit breaker according to claim 1, characterized in that: the interior of the heat dissipation housing (302) is communicated with the interior of the expansion cover (305).
3. A low noise circuit breaker according to claim 1, characterized in that: the smooth pipeline (306) is positioned right left of the low-noise circuit breaking assembly (2).
4. A low noise circuit breaker according to claim 1, characterized in that: the top end of the supporting rod (307) is fixedly connected with the inner top surface of the dust cover (301).
5. A low noise circuit breaker according to claim 1, characterized in that: the fixing assembly (4) comprises:
the lower ear plate (401), the lower ear plate (401) is fixedly arranged on the outer wall surface of the base (1), and a guide rod (402) is fixedly arranged on the upper surface of the lower ear plate (401);
go up otic placode (403), go up otic placode (403) fixed mounting at the outer wall surface of dust cover (301), guide hole (404) have been seted up on the upper surface of last otic placode (403), the top of last otic placode (403) is provided with bolt (405).
6. The low noise circuit breaker according to claim 5, wherein: the size of the guide hole (404) is matched with the size of the guide rod (402), and the lower lug plate (401) is fixedly connected with the upper lug plate (403) through a bolt (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321647798.XU CN219892126U (en) | 2023-06-27 | 2023-06-27 | Low-noise circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321647798.XU CN219892126U (en) | 2023-06-27 | 2023-06-27 | Low-noise circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892126U true CN219892126U (en) | 2023-10-24 |
Family
ID=88401424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321647798.XU Active CN219892126U (en) | 2023-06-27 | 2023-06-27 | Low-noise circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892126U (en) |
-
2023
- 2023-06-27 CN CN202321647798.XU patent/CN219892126U/en active Active
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