CN110277740B - Utilize air to reduce outdoor switch board of air current vibration as power - Google Patents
Utilize air to reduce outdoor switch board of air current vibration as power Download PDFInfo
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- CN110277740B CN110277740B CN201910626323.4A CN201910626323A CN110277740B CN 110277740 B CN110277740 B CN 110277740B CN 201910626323 A CN201910626323 A CN 201910626323A CN 110277740 B CN110277740 B CN 110277740B
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- vibration
- fixedly connected
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- magnetic sheet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to an outdoor power distribution cabinet capable of reducing airflow vibration by utilizing air as power, which comprises a cabinet body, wherein the inner bottom wall of the cabinet body is fixedly connected with a drainage mechanism, the upper part of the drainage mechanism is fixedly connected with a supporting plate, the upper part of the supporting plate is fixedly connected with a vibration absorption mechanism, the drainage mechanism comprises a cover body, air suction ports are formed in two side walls of the cover body, the inner bottom wall of the cover body is fixedly connected with a guide plate, a vibration ring is fixedly connected above the guide plate, a vibration cavity is formed between the vibration ring and the guide plate, a magnetic sheet is fixedly connected above the vibration ring, as the noise generation principle in the power distribution cabinet is caused by micro vibration between components, the vibration rule of a vibration film can be changed by adjusting the tightness degree between the magnetic sheet and a washer, and when the vibration rule of the vibration film is opposite to that of the cabinet body, the effect of eliminating vibration and sound can be achieved.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an outdoor power distribution cabinet which utilizes air as power to reduce airflow vibration.
Background
The currently used power distribution cabinet is of a box type and comprises a box body and a power distribution cabinet body, wherein the box body provides protection, installation and heat dissipation functions; specifically, a louver or convection holes are formed in the box body to achieve a heat dissipation function, and prefabricated foundations such as a raft and the like are arranged in the box body to fix the power distribution cabinet body; after long-time use, the design efficiency of convection holes of the existing box body is very low, hot air in the box body rises and is concentrated at the top, and the convection holes formed in the side surface of the box body are difficult to completely replace internal hot air; if set up the case lid at the box top with the louvre, though can let steam discharge rapidly, but the very big part of box switch board all sets up in the open air, and this kind of structure makes the possibility greatly increased that inside intake causes the device to damage.
We find in the technological research process of heat dissipation to box switch board, inside the box, the switch board body surface has set up the fin and can promote the heat-sinking capability, but the heat that the fin gived off piles up inside the box in a large number, only lean on natural heat dissipation hardly to discharge immediately, even set up the fan and taken inside steam out, also because the convulsions direction of fan is single to cause the heat extraction effect poor, radiating effect can not be played to inside dead angle too much, switch board in use in addition, often can send the very irritated humming noise of making people and accompany the vibration, this kind of noise not only can influence work and rest among people's daily life, more serious, can cause the resident neurasthenia who lives in near, consequently, utilize the air to reduce the outdoor switch board of air current vibration as power.
Disclosure of Invention
In order to achieve the purpose of improving the heat dissipation effect and eliminating vibration and sound caused by the work of electronic elements, the invention provides the following technical scheme: the utility model provides an utilize air to reduce outdoor switch board of air current vibration as power, the intelligent cabinet temperature adjusting device comprises a cabinet body, the inside diapire fixedly connected with drainage mechanism of the cabinet body, the upper portion fixedly connected with backup pad of drainage mechanism, the upper portion fixedly connected with damping mechanism of backup pad, drainage mechanism is including the cover body, and the induction port has all been seted up to the both sides wall of the cover body, the inside diapire fixedly connected with guide plate of the cover body, the top fixedly connected with vibration ring of guide plate, form the vibration chamber between vibration ring and the guide plate, the top fixedly connected with magnetic sheet of vibration ring, the one end swing joint who vibrates the ring is kept away from to the magnetic sheet has the china department, the gas outlet has all been seted up on the surface of vibration ring and the both sides that are located the magnetic sheet, the top swing joint who just is located the magnetic sheet of vibration ring has the vibrating diaphragm.
The invention has the beneficial effects that:
1. the flowing air is sucked into the drainage mechanism through the air suction port, the sucked air flows between the guide plate and the vibration ring and flows to the surface of the vibration film from the air outlet, because the air flow irregularly flows in the vibration cavity and impacts each other, the vibration of the vibration film is caused, and the vibration film vibrates up and down, a suction effect similar to a negative pressure fan is generated, the external air is sucked into the vibration cavity and flows into the hollow channel from the air hole on the cover body, the flexible film is inflated to deform, because the flexible film is made of a silencing material, the sound introduced by the air flow is absorbed and the flowing of the air flow is not influenced, the air flow flowing into the cabinet body meets the hot air flow in the cabinet body to form a convection layer, the temperature in the cabinet body is reduced, and the heat dissipation effect is achieved.
2. After the vibrating diaphragm is impacted by irregularly flowing gas, the vibrating diaphragm forms vibration of upper and lower rules, and because the internal noise generation principle of the power distribution cabinet is caused by micro vibration between components and parts, the vibration rule of the vibrating diaphragm can be changed by adjusting the tightness between the magnetic sheet and the washer, and when the vibration rule of the vibrating diaphragm is adjusted to be opposite to that of the power distribution cabinet, the effects of eliminating vibration and sound can be achieved.
Preferably, the vibration absorption mechanism comprises a shell, the surface of the shell is fixedly connected with a flexible membrane, the interior of the shell is fixedly connected with a hollow channel, and the lower end of the hollow channel is fixedly connected with the top of the cover body.
Preferably, the center of the top of the cover body is provided with an air hole.
Preferably, the flexible membrane is dimensioned so as not to contact the inner wall of the cabinet prior to being inflated.
Preferably, the width of the vibration ring is smaller than the width of the diaphragm outer ring.
Preferably, an air outlet is formed in the center of the magnetic sheet and the washer.
Preferably, the vibrating membrane is made of a novel sound attenuation material, and the vibration sensitivity is high.
Drawings
FIG. 1 is a schematic representation of a flexible membrane of the present invention when it is not inflated;
FIG. 2 is a schematic view of a flexible membrane of the present invention when inflated;
FIG. 3 is a schematic view of the vibration of the diaphragm in the flow directing mechanism of the present invention;
FIG. 4 is a schematic view of the vibration film in the fluid guiding mechanism of the present invention when not vibrating.
In the figure: 1-cabinet body, 2-drainage mechanism, 3-support plate, 4-vibration-damping mechanism, 401-shell, 402-flexible membrane, 403-hollow channel, 5-cover body, 6-air suction port, 7-guide plate, 8-vibration ring, 9-vibration cavity, 10-magnetic sheet, 11-washer, 12-air outlet, 13-vibration membrane and 14-air hole.
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. 1-4, an outdoor power distribution cabinet using air as power to reduce airflow vibration, includes a cabinet 1, a flow guiding mechanism 2 fixedly connected to an inner bottom wall of the cabinet 1, a supporting plate 3 fixedly connected to an upper portion of the flow guiding mechanism 2, a vibration absorbing mechanism 4 fixedly connected to an upper portion of the supporting plate 3, the vibration absorbing mechanism 4 including a housing 401, a flexible membrane 402 fixedly connected to a surface of the housing 401, the flexible membrane 402 being not in contact with an inner wall of the cabinet 1 before being inflated, a hollow channel 403 fixedly connected to an inner portion of the housing 401, a lower end of the hollow channel 403 fixedly connected to a top of the housing 5, the flow guiding mechanism 2 including a housing 5, an air hole 14 formed in a center of the top of the housing 5, air inlets 6 formed in two side walls of the housing 5, and a flow guiding plate 7 fixedly connected to an inner bottom wall of the housing 5, top fixedly connected with vibration ring 8 of guide plate 7, form vibration chamber 9 between vibration ring 8 and the guide plate 7, top fixedly connected with magnetic sheet 10 of vibration ring 8, the one end swing joint that vibration ring 8 was kept away from to magnetic sheet 10 has magnificent department 11, gas outlet 12 has been seted up in the center department of magnetic sheet 10 and magnificent department 11, gas outlet 12 has all been seted up on the surface of vibration ring 8 and the both sides that are located magnetic sheet 10, the top swing joint that just is located magnetic sheet 10 on the surface of vibration ring 8 has vibrating diaphragm 13, vibrating diaphragm 13 is novel amortization material, and vibration sensitivity is higher, the width of vibration ring 8 is less than the width of the outer ring of vibrating diaphragm 13.
When the power distribution cabinet is used, the power distribution cabinet is installed in an outdoor windy place, when the wind blows, air near the power distribution cabinet enters the cover body 5 through the air suction port 6 and flows to the vibration cavity 9 in the flow guide mechanism 2 under the action of the flow guide plate 7, because of the flowing irregularity of the air flow, when the air flows near the vibration ring 8, the air flows into the surface of the vibration film 13 from the air outlet, the air returns to impact the vibration ring 8 again after impacting the vibration film 13, the vibration film 13 vibrates regularly up and down in such a reciprocating way, a suction effect similar to a negative pressure fan is generated, outside air is sucked into the vibration cavity 9 and flows into the hollow channel 403 from the air holes 14 on the cover body 5, the flexible film 402 is inflated to deform, because of the sound absorption of the air flow and the flow influence of the air flow is avoided, the air flow flowing into the cabinet body 1 meets with hot air flow in the cabinet body 1 to form a convection layer, the temperature inside the cabinet body 1 is reduced, the whole drainage mechanism 2 can vibrate when the vibrating membrane 13 vibrates, the vibration rule of the vibrating membrane 13 can be changed by adjusting the tightness degree between the magnetic sheet 10 and the washer 11, and the amplitude and the phase of the vibration frequency of the vibrating membrane 13 can be offset when the amplitude and the phase are equal to the amplitude and the phase of the vibration frequency of the cabinet body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. The utility model provides an utilize air to reduce outdoor switch board of air current vibration as power, includes cabinet body (1), its characterized in that: the bottom wall of the interior of the cabinet body (1) is fixedly connected with a drainage mechanism (2), the upper part of the drainage mechanism (2) is fixedly connected with a support plate (3), and the upper part of the support plate (3) is fixedly connected with a vibration absorption mechanism (4); the drainage mechanism (2) comprises a cover body (5), suction ports (6) are formed in two side walls of the cover body (5), a guide plate (7) is fixedly connected to the inner bottom wall of the cover body (5), a vibration ring (8) is fixedly connected to the upper portion of the guide plate (7), a vibration cavity (9) is formed between the vibration ring (8) and the guide plate (7), a magnetic sheet (10) is fixedly connected to the upper portion of the vibration ring (8), one end, far away from the vibration ring (8), of the magnetic sheet (10) is movably connected with a washer (11), air outlets (12) are formed in the surface of the vibration ring (8) and located on two sides of the magnetic sheet (10), and a vibration film (13) is movably connected to the surface of the vibration ring (8) and located above the magnetic sheet (10); the vibration absorption mechanism (4) comprises a shell (401), a flexible membrane (402) is fixedly connected to the surface of the shell (401), a hollow channel (403) is fixedly connected to the interior of the shell (401), and the lower end of the hollow channel (403) is fixedly connected with the top of the cover body (5); an air hole (14) is formed in the center of the top of the cover body (5).
2. The outdoor power distribution cabinet using air as power to reduce airflow vibration according to claim 1, characterized in that: the flexible membrane (402) does not have a dimension to contact the inner wall of the cabinet (1) before being inflated.
3. The outdoor power distribution cabinet using air as power to reduce airflow vibration according to claim 1, characterized in that: the width of the vibration ring (8) is smaller than that of the outer ring of the vibration membrane (13).
4. The outdoor power distribution cabinet using air as power to reduce airflow vibration according to claim 1, characterized in that: an air outlet (12) is arranged at the center of the magnetic sheet (10) and the washer (11).
5. The outdoor power distribution cabinet using air as power to reduce airflow vibration according to claim 1, characterized in that: the vibrating membrane (13) is made of a novel noise reduction material, and the vibration sensitivity is high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910626323.4A CN110277740B (en) | 2019-07-11 | 2019-07-11 | Utilize air to reduce outdoor switch board of air current vibration as power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910626323.4A CN110277740B (en) | 2019-07-11 | 2019-07-11 | Utilize air to reduce outdoor switch board of air current vibration as power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110277740A CN110277740A (en) | 2019-09-24 |
| CN110277740B true CN110277740B (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910626323.4A Active CN110277740B (en) | 2019-07-11 | 2019-07-11 | Utilize air to reduce outdoor switch board of air current vibration as power |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110864071A (en) * | 2019-09-25 | 2020-03-06 | 李兰笑 | Transaction device for electronic commerce based on cloud big data transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102629739A (en) * | 2012-04-10 | 2012-08-08 | 上海交通大学 | Thin noise reduction structure capable of naturally ventilating for indoor substation |
| CN103037276B (en) * | 2012-11-29 | 2015-03-11 | 郁志曰 | Air power vibration horn driving unit and head wearing type earphone thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yongqiang Inventor after: Zhou Hongliang Inventor after: Tu Wanxin Inventor after: Tu Jindong Inventor after: Li Zhe Inventor before: Li Zhe |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210716 Address after: 313000 No. 11, Baoqiao Road, Huaxi street, Changxing County, Huzhou City, Zhejiang Province Applicant after: ZHEJIANG DONGYU ELECTRIC Co.,Ltd. Address before: 045200 Gugu temple, Guanshan Town, Pingding County, Yangquan City, Shanxi Province Applicant before: Li Zhe |
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