CN217873471U

CN217873471U - Emptying heat dissipation silencing box with high efficiency and noise reduction

Info

Publication number: CN217873471U
Application number: CN202221691751.9U
Authority: CN
Inventors: 刘佰达; 王胜兵; 张达; 尹海日
Original assignee: Jiangsu Haituobin Future Industrial Technology Group Co ltd
Current assignee: Jiangsu Haituobin Future Industrial Technology Group Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-22
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to an air-blower amortization field discloses a high-efficient emptying heat dissipation amortization box of making an uproar that falls, including installing the box body at quick-witted incasement, offer the unloading entry that is used for communicateing unloading pipeline on the box body, offer the hot-blast entry that is used for communicateing hot-blast main on the box body, offer the air outlet that is linked together with quick-witted case outside air on the box body, be provided with unloading baffle and hot-blast baffle in the box body, the unloading baffle encloses into first labyrinth passageway with the box body inner wall, the both ends of first labyrinth passageway are linked together with unloading entry and air outlet respectively, hot-blast baffle encloses into second labyrinth passageway with the box body inner wall, the both ends of second labyrinth passageway are linked together with hot-blast entry and air outlet respectively. This application has and can reduce the gas flow rate through setting up unloading baffle and hot gas baffle to reduce the noise that gas produced at the circulation in-process, and two labyrinth passageways prevent that two strands of air currents from intersecting and produce bigger noise, reach and improve the fan and produce the effect of great noise when operation and gassing.

Description

Emptying heat dissipation silencing box with high efficiency and noise reduction

Technical Field

The utility model relates to a field of air-blower amortization especially relates to a high-efficient emptying heat dissipation amortization box of making an uproar that falls.

Background

The air suspension centrifugal blower is a new concept blower, and adopts three core high-end technologies of an ultra-high speed direct connection motor, an air suspension bearing and a high-precision single-stage centrifugal impeller, so that a new era of high-efficiency, high-performance, low-noise and low-energy consumption blowers is created.

At present, air suspension centrifugal blower can cause the fan to take place the surge if meet external pressure increase suddenly when starting or moving, brings huge damage even damage for the fan of quick-witted incasement, consequently need install the atmospheric valve on the air-blower, and the atmospheric valve can deflate when the fan starts or meets high pressure to play the guard action to the fan.

In the running process of the fan, hot airflow in the fan can enter a hot air pipeline connected with the fan and then is discharged out of the case through the diversion of the hot air pipeline, and in the process of air discharge of the air discharge valve, the air discharge pipeline can generate a large amount of airflow, and the airflow is discharged out of the case through the diversion of the air discharge pipeline.

Aiming at the related technology, in the air discharging process, the air flow collides with the inner wall of the air discharging pipeline and generates noise, so that the air suspension centrifugal blower generates noise in the air discharging process, when the blower operates, the air flow collides with the inner wall of the hot air pipeline and generates noise, and in addition, the noise generated in the operation process of the blower is generated, so that the blower can generate larger noise in the operation and air discharging processes, and the inventor thinks that the defect that the blower generates larger noise in the operation and air discharging processes exists.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the fan produced great noise when operation and gassing, this application provides a high-efficient emptying heat dissipation amortization box of making an uproar that falls.

The application provides a high-efficient emptying heat dissipation amortization box of making an uproar that falls adopts following technical scheme:

the utility model provides an emptying heat dissipation silencing box of making an uproar falls in high efficiency, is including installing the box body at quick-witted incasement, set up the unloading entry that is used for communicateing unloading pipeline on the box body, set up the hot-blast entry that is used for communicateing hot-blast pipeline on the box body, set up the air outlet that is linked together with quick-witted case outside air on the box body, be provided with unloading baffle and the hot-blast baffle that is used for check air current in the box body, the unloading baffle encloses into first labyrinth passageway with the box body inner wall, just the both ends of first labyrinth passageway are linked together with unloading entry and air outlet respectively, the hot-blast baffle encloses into second labyrinth passageway with the box body inner wall, just the both ends of second labyrinth passageway are linked together with hot-blast entry and air outlet respectively.

By adopting the technical scheme, in the process of deflation of the deflation valve, the airflow in the emptying pipeline enters the first labyrinth passage of the box body from the emptying inlet, and the airflow impacts the emptying partition plate in the first labyrinth passage, so that the flow speed of the airflow in the first labyrinth passage is reduced, and the noise reduction effect is achieved; in the air current in the hot-blast pipeline got into the second labyrinth passageway of box body from hot-blast entry, the air current struck hot-blast baffle in second labyrinth passageway to thereby reduced the velocity of flow of air current in second labyrinth passageway and reached noise reduction effect, and two labyrinth passageways prevent that two air currents from intersecting and produce bigger noise. So set up, prevent that two strands of air currents from intersecting and producing bigger noise through adopting first labyrinth passageway and second labyrinth passageway, reduced the velocity of flow of air current through setting up unloading baffle and hot-blast baffle, the noise that produces when having reduced the air current circulation for the noise of bleed valve in gassing in-process machine incasement is lower, thereby makes the noise that the fan produced at the operation in-process littleer.

Preferably, the box body is provided with a first partition plate in the first labyrinth passage or the second labyrinth passage.

Through adopting above-mentioned technical scheme, utilize first baffle to check the air current to reduce the velocity of flow of air current in the box body.

Preferably, a second partition board is arranged in the box body, the second partition board is arranged along the axis direction of the air outlet, and the second partition board is located between the first labyrinth passage and the second labyrinth passage.

Through adopting above-mentioned technical scheme, the air current in first maze passageway and the second maze passageway strikes on the second baffle before getting into the air outlet to reduce the velocity of flow of air current in the box body.

Preferably, a collision cavity exists between the second partition plate and the air outlet, and two sides of the collision cavity are respectively communicated with the first labyrinth channel and the second labyrinth channel.

By adopting the technical scheme, part of the air flow in the first labyrinth passage and the second labyrinth passage impinges on the second partition plate, and the other part of the air flow in the first labyrinth passage and the second labyrinth passage enters the collision cavity and impinges with each other, so that the flow speed of the air flow is further reduced.

Preferably, the side walls of the hot air partition plate, the emptying partition plate and the first partition plate, which are close to the gas flow direction, are provided with silencing grooves, and the silencing grooves are also formed in the side walls of the two opposite sides of the second partition plate.

By adopting the technical scheme, when the air flow circulates in the box body, part of the air flow enters the silencing groove and then flows out of the silencing groove, and the flow speed of the air flow is reduced in the process of entering and exiting the silencing groove.

Preferably, the inner side wall of the box body is provided with a silencing partition plate, and a plurality of silencing holes are formed in the silencing partition plate.

By adopting the technical scheme, when the air flow circulates in the box body, part of the air flow enters the silencing holes of the silencing partition plate and then flows out of the silencing holes, and the flow speed of the air flow is reduced in the process of entering and exiting the silencing holes.

Preferably, the silencing partition is provided with silencing cotton which is tightly abutted against the side wall of the box body.

Through adopting above-mentioned technical scheme, the noise that the inside striking of box body and outer scattered can be absorbed to the amortization cotton, makes the noise greatly reduced in the box body.

Preferably, the silencing groove is a circular groove, and the silencing hole is a circular hole.

Through adopting above-mentioned technical scheme, the effect that circular shape amortization groove and amortization hole reduce the air current velocity of flow is better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first labyrinth passage and the second labyrinth passage are adopted to prevent the two air flows from being converged to generate larger noise, the emptying partition plate and the hot air partition plate are arranged to reduce the flow velocity of the air flows and reduce the noise generated during the circulation of the air flows, so that the noise in the case of the air release valve in the air release process is lower, and the noise generated during the operation and the air release process of the fan is lower;

2. by arranging the second partition plate, the airflow in the first labyrinth passage and the second labyrinth passage impacts the second partition plate before entering the air outlet, so that the flow velocity of the airflow in the box body is reduced;

3. through setting up the amortization cotton, the amortization cotton can absorb the inside striking of box body and the noise that looses outward, makes the noise greatly reduced in the box body.

Drawings

FIG. 1 is a schematic view of the overall structure of an emptying, heat dissipating and noise reducing box for efficient noise reduction according to the present application;

FIG. 2 is a first exploded view of the internal structure of the vented heat dissipation sound-deadening box with high noise reduction efficiency of the present application;

FIG. 3 is a second exploded view of the internal structure of the vented heat dissipation sound-deadening box with high noise reduction efficiency of the present application;

fig. 4 is a front view of a partial structure of the high-efficiency noise-reduction emptying heat dissipation silencing box for highlighting the gas flow direction.

Description of the reference numerals: 1. a box body; 2. an emptying inlet; 3. a hot air inlet; 4. an air outlet; 5. emptying the air partition plate; 6. a hot air baffle; 7. a first labyrinth passage; 8. a second labyrinth passage; 9. a first separator; 10. a second separator; 11. a collision chamber; 12. a silencing groove; 13. a sound-deadening partition plate; 14. a silencing hole; 15. silencing cotton; 16. emptying the air inlet pipe; 17. a hot air inlet pipe; 18. and an air outlet pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an emptying heat dissipation silencing box capable of efficiently reducing noise.

Referring to fig. 1, an emptying heat dissipation silencing box with high-efficiency noise reduction comprises a box body 1 with an open end, wherein the end face of the opening of the box body 1 is fixedly installed on the inner side wall of a case of an air blower through a bolt, a silencing partition plate 13 is fixedly installed at one open end of the box body 1, an air outlet 4 is formed in the silencing partition plate 13, an air outlet pipe 18 is fixedly installed at the position, located at the air outlet 4, of the silencing partition plate 13, and the air outlet pipe 18 penetrates through the case of the air blower and is communicated with external air.

Referring to fig. 2 and 4, the silencing partition 13 is C-shaped and attached to the inner side wall of the box body 1, the emptying inlet 2 is opened on the side wall adjacent to the opening end of the box body 1, and an emptying air inlet pipe 16 communicated with an emptying pipeline is fixedly installed in the emptying inlet 2 of the box body 1. Along the axis direction fixed mounting of evacuation intake pipe 16 there is L type evacuation baffle 5 in the box body 1, the relative lateral wall middle part fixed connection of one end and the 1 open end of box body of evacuation baffle 5, the other end of evacuation baffle 5 is towards the 16 directions bending 90 of evacuation intake pipe, evacuation baffle 5 along self width direction's both sides wall and the relative two inside walls fixed connection of box body 1. The inner side wall of the box body 1 and the emptying partition plate 5 separate the inner cavity of the box body 1 to form a first labyrinth passage 7, and two ends of the first labyrinth passage 7 are respectively communicated with an emptying air inlet pipe 16 and an emptying air outlet pipe 18. In the process of deflating by the deflating valve, the airflow in the emptying pipeline enters the first labyrinth passage 7 of the box body 1 from the emptying air inlet pipe 16, and the airflow impacts the emptying partition plate 5 in the first labyrinth passage 7, so that the flow speed of the airflow in the first labyrinth passage 7 is reduced, and the noise reduction effect is achieved.

Referring to fig. 3 and 4, a hot air inlet 3 is arranged on the side wall of the box body 1 far away from the open end and on one side of the emptying partition plate 5 far away from the emptying air inlet pipe 16, and a hot air inlet pipe 17 communicated with a hot air pipeline is fixedly arranged in the hot air inlet 3 of the box body 1. An L-shaped hot air partition plate 6 is fixedly mounted in the box body 1 along the axis direction of the emptying air inlet pipe 16, one end of the hot air partition plate 6 is fixedly connected with the middle of the side wall opposite to the opening end of the box body 1, meanwhile, the hot air partition plate 6 and the emptying partition plate 5 are fixedly connected with the side wall close to the hot air inlet pipe 17, and the length of the hot air partition plate 6 is smaller than that of the emptying partition plate 5. The other end of the emptying partition plate 5 is bent 90 degrees towards the direction of the hot air inlet pipe 17, and the two side walls of the hot air partition plate 6 in the width direction are fixedly connected with the two opposite inner side walls of the box body 1. The inner side wall of the box body 1 and the hot air partition plate 6 separate the inner cavity of the box body 1 to form a second labyrinth passage 8, and two ends of the second labyrinth passage 8 are respectively communicated with a hot air inlet pipe 17 and an air outlet pipe 18.

In the in-process that carries out the gassing at the bleed valve, the air current in the hot-blast main gets into the second labyrinth passageway 8 of box body 1 from hot-blast intake pipe 17 in, the air current strikes hot-blast baffle 6 in second labyrinth passageway 8, it reaches the noise reduction effect to have reduced the velocity of flow in second labyrinth passageway 8, and box body 1 inner chamber is separated and is prevented effectively that two strands of air currents from intersecting for first labyrinth passageway 7 and second labyrinth passageway 8 and produce bigger noise, thereby it is littleer to make the fan at the noise that operation and gassing in-process produced.

The box body 1 is fixedly provided with a first clapboard 9 in the second labyrinth passage 8, the first clapboard 9 is parallel to the side wall opposite to the opening end of the box body 1, and the first clapboard 9 is positioned between the hot air clapboard 6 and the air outlet pipe 18. One side wall of the first partition board 9 is fixedly connected with the inner side wall of the hot air partition board 6 in the box body 1 far away from the emptying partition board 5, and two opposite side walls of the first partition board 9 adjacent to the side wall are fixedly connected with two opposite inner side walls of the box body 1. The air current has reduced the velocity of flow after striking hot-blast baffle 6 in second maze passageway 8, and the air current continues to circulate and strike on first baffle 9 along second maze passageway 8, and first baffle 9 keeps off the air current to reduce the velocity of flow of air current in second maze passageway 8 once more, make the noise that produces when the air current circulates littleer.

The side wall that unloading baffle 5 is close to outlet duct 18 goes up along perpendicular first baffle 9 direction fixed mounting with second baffle 10, and second baffle 10 is located between first baffle 9 and the unloading baffle 5 and is in the axis direction of outlet duct 18, and the relative both sides wall of second baffle 10 respectively with two relative inside wall fixed connection of box body 1. Airflow in the second labyrinth passage 8 strikes the first partition plate 9 and then continues to circulate and strikes on the second partition plate 10, airflow in the first labyrinth passage 7 strikes the emptying partition plate 5 and then continues to circulate and strikes on the second partition plate 10, the airflow strikes the case of the air blower which is discharged from the air outlet pipe 18 after the second partition plate 10, the second partition plate 10 blocks the airflow, thereby reducing the flow velocity of the airflow in the case body 1 again, and making the noise generated during the airflow circulation smaller.

A collision cavity 11 is formed between the second partition board 10 and the air outlet pipe 18 in the box body 1, and two sides of the collision cavity 11 are respectively communicated with the first labyrinth passage 7 and the second labyrinth passage 8. Part of the air flow in the first labyrinth passage 7 and the second labyrinth passage 8 impinges on the second partition plate 10, and the other part of the air flow in the first labyrinth passage 7 and the second labyrinth passage 8 enters the collision chamber 11 and impinges on each other, and then is discharged out of the case of the blower through the air outlet pipe 18. The air flows enter the collision chamber 11 and collide with each other, thereby further reducing the flow velocity of the air flows.

Referring to fig. 2 and 3, a plurality of circular silencing holes 14 are formed at equal intervals in the silencing partition plate 13, a plurality of circular silencing grooves 12 are formed at equal intervals in the side walls of the emptying partition plate 5, the hot air partition plate 6 and the first partition plate 9 close to the gas flow direction, and the silencing grooves 12 start to be formed at equal intervals in the opposite side walls of the second partition plate 10. When the air current circulates in the box body 1, part of the air current enters the silencing groove 12 and the silencing hole 14 and then flows out from the silencing groove 12 and the silencing hole 14, the flow speed of the air current is reduced in the process of entering and exiting the silencing groove 12 and the silencing hole 14, and the noise generated when the air current circulates is smaller.

Referring to fig. 1, the side wall of the silencing partition 13 near the opening end of the box body 1 is fixedly provided with annular silencing cotton 15, and the silencing cotton 15 is fixedly connected with the inner side wall of the box body 1 in the periphery in the horizontal direction. The noise reduction cotton 15 can absorb the noise of the inside impact and the outside scattering of the box body 1, so that the noise in the box body 1 is greatly reduced.

The implementation principle of the embodiment of the application is as follows: in the process of deflating the air release valve, the air flow in the air release pipeline enters the first labyrinth passage 7 of the box body 1 from the air release inlet pipe 16, the air flow collides with the air release partition plate 5 in the first labyrinth passage 7, the flow speed of the air flow in the first labyrinth passage 7 is reduced, the air flow in the hot air pipeline enters the second labyrinth passage 8 of the box body 1 from the hot air inlet pipe 17, the air flow collides with the hot air partition plate 6 in the second labyrinth passage 8, the flow speed of the air flow in the second labyrinth passage 8 is reduced, the reduction of the gas flow speed enables the noise generated by the air in circulation to be smaller, and the two labyrinth passages prevent the two air flows from intersecting to generate larger noise, so that the noise generated by the fan in the operation and deflation processes is smaller.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an emptying heat dissipation amortization box that high efficiency was fallen and is fallen, its characterized in that: including installing box body (1) at quick-witted incasement, offer on box body (1) and be used for communicateing unloading entry (2) of unloading pipeline, offer on box body (1) and be used for communicateing hot-blast main's hot-blast entry (3), air outlet (4) that are linked together with quick-witted case outside air are seted up on box body (1), be provided with unloading baffle (5) and hot-blast baffle (6) that are used for the check to keep off the air current in box body (1), unloading baffle (5) and box body (1) inner wall enclose into first labyrinth passageway (7), just the both ends of first labyrinth passageway (7) are linked together with unloading entry (2) and air outlet (4) respectively, hot-blast baffle (6) and box body (1) inner wall enclose into second labyrinth passageway (8), just the both ends of second labyrinth passageway (8) are linked together with hot-blast entry (3) and air outlet (4) respectively.

2. The emptying, heat dissipation and noise reduction box with high efficiency and noise reduction according to claim 1, is characterized in that: the box body (1) is positioned in the first labyrinth passage (7) or the second labyrinth passage (8) and is internally provided with a first clapboard (9).

3. The emptying heat dissipation sound attenuation box for efficiently reducing noise according to claim 2, characterized in that: the air outlet is characterized in that a second partition plate (10) is arranged in the box body (1), the second partition plate (10) is arranged along the axis direction of the air outlet (4), and the second partition plate (10) is located between the first labyrinth channel (7) and the second labyrinth channel (8).

4. The emptying heat dissipation sound attenuation box for efficiently reducing noise according to claim 3, characterized in that: a collision cavity (11) exists between the second partition plate (10) and the air outlet (4), and two sides of the collision cavity (11) are respectively communicated with the first labyrinth channel (7) and the second labyrinth channel (8).

5. The emptying heat dissipation sound attenuation box for efficiently reducing noise according to claim 3, characterized in that: the side walls of the hot air partition plate (6), the emptying partition plate (5) and the first partition plate (9) close to the gas flow direction are provided with silencing grooves (12), and the silencing grooves (12) are also formed in the side walls of the two opposite sides of the second partition plate (10).

6. The emptying, heat dissipation and noise reduction box with high efficiency and noise reduction according to claim 1, is characterized in that: the sound attenuation box is characterized in that a sound attenuation partition plate (13) is arranged on the inner side wall of the box body (1), and a plurality of sound attenuation holes (14) are formed in the sound attenuation partition plate (13).

7. The emptying, heat dissipation and noise reduction box with high efficiency and noise reduction according to claim 6, characterized in that: the silencing partition board (13) is provided with silencing cotton (15), and the silencing cotton (15) is tightly propped against the side wall of the box body (1).

8. The emptying, heat dissipation and noise reduction box with high efficiency and noise reduction according to claim 6, characterized in that: the silencing holes (14) are circular holes.