CN202900799U - Inflow type low-noise fan - Google Patents

Inflow type low-noise fan Download PDF

Info

Publication number
CN202900799U
CN202900799U CN 201220642126 CN201220642126U CN202900799U CN 202900799 U CN202900799 U CN 202900799U CN 201220642126 CN201220642126 CN 201220642126 CN 201220642126 U CN201220642126 U CN 201220642126U CN 202900799 U CN202900799 U CN 202900799U
Authority
CN
China
Prior art keywords
hush pipe
air inlet
anger
insulation board
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220642126
Other languages
Chinese (zh)
Inventor
钱禧昱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 201220642126 priority Critical patent/CN202900799U/en
Application granted granted Critical
Publication of CN202900799U publication Critical patent/CN202900799U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model relates to an inflow type low-noise fan which comprises a housing, an air inlet hush pipe, an air outlet hush pipe and a fan, wherein a sound insulation layer is formed on the inner wall of the housing; an isolating pipe is arranged between the air outlet hush pipe and the air inlet hush pipe; a plurality of sound insulation plates III are arranged between the isolating pipe and the air outlet hush pipe; a plurality of sound insulation plates IV are arranged between the sound insulation layer and the air outlet hush pipe; an air inlet hush hole is formed in the air inlet hush pipe; an air outlet hush hole is formed in the air outlet hush pipe; the inner part of the air inlet hush pipe is divided into a plurality of air inlet cavities I by sound insulation plates I; a part between the air inlet hush pipe and the isolating pipe is divided into a plurality of air inlet cavities II by sound insulation plates II; a part between the isolating pipe and the air outlet hush pipe is divided into a plurality of air outlet cavities I by the sound insulation plates III; and a part between the sound insulation layer and the air outlet hush pipe is divided into a plurality of air outlet cavities II by the sound insulation plates IV. The inflow type low-noise fan has the advantages of reasonable structure design, no noise, strong capability of air suction and air exhaust and wide application range.

Description

A kind of in-flow low-noise fan
Technical field
The utility model relates to a kind of blower fan, specifically, relates to a kind of in-flow low-noise fan.
Background technique
Blower fan is used very general in life, but most blower fan can produce a large amount of noises in operation, and these noises often bring a lot of inconvenience to life.The problem that solves at present noise is at the air intake pipe of blower fan or air outlet tube one baffler to be installed mostly, and this way can only reduce noise, can not tackle the problem at its root.Therefore, need a kind of new technological scheme to solve above-mentioned technical problem.
The model utility content
The purpose of this utility model provides a kind of integrated high pressure noise free blower fan.
The technical solution adopted in the utility model is:
A kind of in-flow low-noise fan, comprise shell, the air inlet hush pipe, give vent to anger hush pipe and blower fan, be provided with puigging on the described outer casing inner wall, the described hush pipe of giving vent to anger places in the puigging, described air inlet hush pipe places in the hush pipe of giving vent to anger, described giving vent to anger is provided with isolated tube between hush pipe and air inlet hush pipe, be provided with insulation board I in the described air inlet hush pipe, be provided with a plurality of insulation board II between described isolated tube and the air inlet hush pipe, described isolated tube and give vent to anger and be provided with a plurality of insulation board III between hush pipe, described puigging and give vent to anger and be provided with a plurality of insulation board IV between hush pipe, be provided with cellular air inlet bloop on the described air inlet hush pipe, be provided with the cellular bloop of giving vent to anger on the described hush pipe of giving vent to anger, be separated into a plurality of air-inlet cavity I by insulation board I in the described air inlet hush pipe, be separated into a plurality of air-inlet cavity II by insulation board II between described air inlet hush pipe and isolated tube, described air-inlet cavity I, air inlet bloop and air-inlet cavity II consist of gas-entered passageway, described isolated tube and give vent to anger and be divided into a plurality of outlet chamber I by insulation board III between hush pipe, described puigging and give vent to anger and be separated into a plurality of outlet chamber II by insulation board IV between hush pipe, described outlet chamber II, give vent to anger bloop and outlet chamber I forms outlet passageway.
Be provided with silencer cover on the described cover top portion, be provided with the air outlet on the described silencer cover, stretch out outside the silencer cover at the top of described air inlet hush pipe.
Described blower fan is arranged at the bottom of isolated tube.
The top cover of the described hush pipe of giving vent to anger has paper folding noise reduction cover.
Described insulation board I and insulation board II are arranged in a crossed manner, and described insulation board III and insulation board IV are arranged in a crossed manner.
The utility model has the advantages that: reasonable in design, noise free, air draught and air draft ability are strong, applied range.
Description of drawings
Fig. 1 is overall structure schematic representation of the present utility model.
Wherein: 1, shell, 2, the air inlet hush pipe, 3, the hush pipe of giving vent to anger, 4, blower fan, 5, puigging, 6, isolated tube, 7, insulation board I, 8, insulation board II, 9, insulation board III, 10, insulation board IV, 11, the air inlet bloop, 12, the bloop of giving vent to anger, 13, air-inlet cavity I, 14, air-inlet cavity II, 15, gas-entered passageway, 16, outlet chamber I, 17, outlet chamber II, 18 outlet passageways, 19, silencer cover, 20, air outlet, 21, paper folding noise reduction cover, 22, suction port.
Embodiment
As shown in Figure 1, a kind of in-flow low-noise fan, comprise shell 1, air inlet hush pipe 2, give vent to anger hush pipe 3 and blower fan 4, be provided with puigging 5 at shell 1 inwall, the hush pipe 3 of giving vent to anger places in the puigging 5, air inlet hush pipe 2 places in the hush pipe 3 of giving vent to anger, give vent to anger 2 of hush pipe 3 and air inlet hush pipes is provided with isolated tube 6, in air inlet hush pipe 2, be provided with insulation board I 7, be provided with a plurality of insulation board II8 between isolated tube 6 and the air inlet hush pipe 2, isolated tube 6 and 3 of the hush pipes of giving vent to anger are provided with a plurality of insulation board III9, puigging 5 and 3 of the hush pipes of giving vent to anger are provided with a plurality of insulation board IV10, be provided with cellular air inlet bloop 11 at air inlet hush pipe 2, be provided with the cellular bloop 12 of giving vent to anger at the hush pipe 3 of giving vent to anger, air inlet hush pipe 2 is interior to be separated into a plurality of air-inlet cavity I13 by insulation board I7,6 of air inlet hush pipe 2 and isolated tubes are separated into a plurality of air-inlet cavity II14 by insulation board II8, air-inlet cavity I13, air inlet bloop 11 consists of gas-entered passageway 15 with air-inlet cavity II14, isolated tube 6 and 3 of the hush pipes of giving vent to anger are divided into a plurality of outlet chamber I16 by insulation board III9, puigging 5 and 3 of the hush pipes of giving vent to anger are separated into a plurality of outlet chamber II17, outlet chamber II17 by insulation board IV10, give vent to anger bloop 12 and outlet chamber I16 forms outlet passageway 18.
The top of the gas-entered passageway 15 of this blower fan 4 is suction port 22, wind enters in the gas passage 15 from suction port 22, wind is discharged from outlet passageway 18 through behind the blower fan 4, the gradually noise reduction under the effect of air inlet bloop 11, the bloop 12 of giving vent to anger, air-inlet cavity II14, outlet chamber I16 and outlet chamber II17 of the wind that sucks and the wind of discharging finally reaches the effect of noise reduction.
In order to increase erasure effect, be provided with silencer cover 19 at shell 1 top, be provided with air outlet 20 at silencer cover 19, stretch out outside the silencer cover 19 at the top of air inlet hush pipe 2.
For the ease of installing and ensure the compactedness of structure, blower fan 4 is arranged at the bottom of isolated tube 6.
In order further to strengthen erasure effect, cover has paper folding noise reduction cover 21 at the top of the hush pipe 3 of giving vent to anger.
In order to guarantee gas-entered passageway 15 and outlet passageway 18 smoothnesses, insulation board I7 and insulation board II8 is arranged in a crossed manner, and insulation board III9 and insulation board IV10 are arranged in a crossed manner.

Claims (5)

1. in-flow low-noise fan, it is characterized in that: comprise shell, the air inlet hush pipe, give vent to anger hush pipe and blower fan, be provided with puigging on the described outer casing inner wall, the described hush pipe of giving vent to anger places in the puigging, described air inlet hush pipe places in the hush pipe of giving vent to anger, described giving vent to anger is provided with isolated tube between hush pipe and air inlet hush pipe, be provided with insulation board I in the described air inlet hush pipe, be provided with a plurality of insulation board II between described isolated tube and the air inlet hush pipe, described isolated tube and give vent to anger and be provided with a plurality of insulation board III between hush pipe, described puigging and give vent to anger and be provided with a plurality of insulation board IV between hush pipe, be provided with cellular air inlet bloop on the described air inlet hush pipe, be provided with the cellular bloop of giving vent to anger on the described hush pipe of giving vent to anger, be separated into a plurality of air-inlet cavity I by insulation board I in the described air inlet hush pipe, be separated into a plurality of air-inlet cavity II by insulation board II between described air inlet hush pipe and isolated tube, described air-inlet cavity I, air inlet bloop and air-inlet cavity II consist of gas-entered passageway, described isolated tube and give vent to anger and be divided into a plurality of outlet chamber I by insulation board III between hush pipe, described puigging and give vent to anger and be separated into a plurality of outlet chamber II by insulation board IV between hush pipe, described outlet chamber II, give vent to anger bloop and outlet chamber I forms outlet passageway.
2. a kind of in-flow low-noise fan according to claim 1, it is characterized in that: be provided with silencer cover on the described cover top portion, be provided with the air outlet on the described silencer cover, stretch out outside the silencer cover at the top of described air inlet hush pipe.
3. a kind of in-flow low-noise fan according to claim 1, it is characterized in that: described blower fan is arranged at the bottom of isolated tube.
4. a kind of in-flow low-noise fan according to claim 1 is characterized in that: the top cover of the described hush pipe of giving vent to anger has paper folding noise reduction cover.
5. a kind of in-flow low-noise fan according to claim 1, it is characterized in that: described insulation board I and insulation board II are arranged in a crossed manner, and described insulation board III and insulation board IV are arranged in a crossed manner.
CN 201220642126 2012-11-11 2012-11-11 Inflow type low-noise fan Expired - Fee Related CN202900799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220642126 CN202900799U (en) 2012-11-11 2012-11-11 Inflow type low-noise fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220642126 CN202900799U (en) 2012-11-11 2012-11-11 Inflow type low-noise fan

Publications (1)

Publication Number Publication Date
CN202900799U true CN202900799U (en) 2013-04-24

Family

ID=48121475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220642126 Expired - Fee Related CN202900799U (en) 2012-11-11 2012-11-11 Inflow type low-noise fan

Country Status (1)

Country Link
CN (1) CN202900799U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448423A (en) * 2016-05-31 2017-12-08 埃贝斯佩歇气候控制系统有限责任两合公司 Particularly it is used for the wing passage air blower of vehicle heating system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448423A (en) * 2016-05-31 2017-12-08 埃贝斯佩歇气候控制系统有限责任两合公司 Particularly it is used for the wing passage air blower of vehicle heating system
CN107448423B (en) * 2016-05-31 2019-10-15 埃贝斯佩歇气候控制系统有限责任两合公司 Wing passage air blower
US10527044B2 (en) 2016-05-31 2020-01-07 Eberspächer Climate Control Systems GmbH & Co. KG Side channel blower, especially for a vehicle heater

Similar Documents

Publication Publication Date Title
CN201778861U (en) Flow around type silencer
CN201277205Y (en) Denoising centrifugal ventilation machine
CN203441795U (en) Air exchanging and noise reducing device of offshore drilling platform
CN201448291U (en) Fan volute structure of range hood
WO2016019689A1 (en) Multi-stage compressor and air conditioner
CN203430857U (en) Novel gas compressor volute with noise elimination function
CN201652559U (en) Inject type kitchen ventilator
CN202493456U (en) Jet flow type induced ventilator
CN202900799U (en) Inflow type low-noise fan
CN202132207U (en) Folded plate composite type silencer
CN202473218U (en) Multifunctional integrated muffler for oxygenerator
CN205956027U (en) High -efficient low noise axial -flow blower
CN203608004U (en) Motor with noise reduction device
CN203146082U (en) Steam exhausting muffler
CN201284899Y (en) Silencer for blast furnace gas pipe
CN104791049A (en) Automobile exhaust silencer
CN202937509U (en) Centrifugal blower and air conditioner comprising same
CN203516111U (en) Noise insulation enclosure for roots blower
CN202001389U (en) Low-noise energy-saving fan box
CN203463361U (en) Meridian fan
CN202402185U (en) Air inlet device of chassis of mute generator set
CN201705732U (en) High efficient low noise non surging fire smoke discharging axial flow fan
CN205717414U (en) Large wind pressure range hood
CN203051241U (en) High-efficient low-noise draught fan
CN104555931A (en) Oxygen generator

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130424

Termination date: 20131111