CN209719885U - Conducive to the ship Ventilator device of noise reduction - Google Patents

Conducive to the ship Ventilator device of noise reduction Download PDF

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Publication number
CN209719885U
CN209719885U CN201920570456.XU CN201920570456U CN209719885U CN 209719885 U CN209719885 U CN 209719885U CN 201920570456 U CN201920570456 U CN 201920570456U CN 209719885 U CN209719885 U CN 209719885U
Authority
CN
China
Prior art keywords
upper shell
lower shell
noise reduction
air inlet
shell
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
CN201920570456.XU
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Chinese (zh)
Inventor
刘林春
王建涛
李小朋
刘波
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.)
Shandong Transport Vocational College
Original Assignee
Shandong Transport Vocational College
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 Shandong Transport Vocational College filed Critical Shandong Transport Vocational College
Priority to CN201920570456.XU priority Critical patent/CN209719885U/en
Application granted granted Critical
Publication of CN209719885U publication Critical patent/CN209719885U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of ship Ventilator devices conducive to noise reduction, including upper shell and lower shell, the upper shell and the lower shell are rotatably connected by bearing, air inlet cylinder is provided on the upper shell, the tail portion for being located at the air inlet cylinder on the upper shell, which extends back, is provided with strut, the end of the strut is fixedly installed with wind gathering cover, chimney fan is provided on the lower shell, several long slot holes are offered on the barrel of the upper shell and the lower shell respectively, are movably installed with an acoustical panel in each long slot hole respectively;Under drag effect of the wind gathering cover to wind, the upper shell is driven to rotate around the bearing, rotate to the air inlet cylinder down the wind, external air can easily enter inside cabin by ventilator very much again, avoid installation blower bring noise, it, can the degree that reduces of effective control noise in addition it can select the quantity and model of acoustical panel installation as needed.

Description

Conducive to the ship Ventilator device of noise reduction
Technical field
The utility model relates to shipbuilding technical fields, more particularly to conducive to the ship Ventilator device of noise reduction.
Background technique
With increasingly progressing greatly for Marine engineering technology, requirement of the people to ship internal environment is also higher and higher, general next It says, cabin is located inside ship, needs for air to be passed through in cabin from the ventilator of setting above deck, to safeguard in cabin Air circulation improves environmental quality.When the air inlet direction of ventilator down the wind when, external air be very easy to by ventilation Cylinder enters inside cabin, but when the air inlet direction of ventilator is against wind direction, external air is difficult to enter by ventilator Inside cabin, therefore generally in order to guarantee ventilation effect, blower often is installed additional in the air inlet of ventilator, blower operating will be empty Pneumatic transmission enters ventilator, although the use of blower ensure that ventilation effect, noise is generated when resulting in ventilation, especially in stormy waves When larger, the pneumatic noise passed through in self-ventilation cylinder is become apparent, and causes indoor environment second-rate, influence crewman work and Life.
There are many type of muffler, but study carefully its noise elimination mechanism, and they can be divided into six kinds of main types, i.e., resistive Muffler, resistant noise-reducing device, impedance complex formula muffler, microperforated panel muffler, aperture muffler and active muffler.
Utility model content
A kind of the technical problem to be solved by the utility model is to provide structures ship simple, easy to use conducive to noise reduction Oceangoing ship Ventilator device.
In order to solve the above technical problems, the technical solution of the utility model is: conducive to the ship Ventilator device of noise reduction, Including upper shell and lower shell, the upper shell and the lower shell are rotatably connected by bearing, on the upper shell It is provided with air inlet cylinder, the tail portion that the air inlet cylinder is located on the upper shell, which extends back, is provided with strut, the end of the strut End is fixedly installed with wind gathering cover, is provided with chimney fan on the lower shell, on the barrel of the upper shell and the lower shell point Several long slot holes are not offered, are movably installed with an acoustical panel in each long slot hole respectively.
The upper shell and the lower shell are " L " type tube body, the upper shell and institute as a preferred technical solution, It is cylinder that lower shell, which is stated, by one end that the bearing links together, and the air inlet cylinder and the chimney fan are respectively square tube.
The acoustical panel includes the plate body positioned at the wall inner portion as a preferred technical solution, and the two of the plate body Side is fixedly installed with noise reduction rubber slab respectively, further includes the knob portion being wholely set outside the barrel with the plate body.
Several bloops are provided on the acoustical panel as a preferred technical solution,.
The wind gathering cover is plastics umbrella wind gathering cover as a preferred technical solution,.
By adopting the above-described technical solution, it is conducive to the ship Ventilator device of noise reduction, including upper shell and lower shell, The upper shell and the lower shell are rotatably connected by bearing, are provided with air inlet cylinder on the upper shell, it is described on The tail portion for being located at the air inlet cylinder on cylinder, which extends back, is provided with strut, and the end of the strut is fixedly installed with wind gathering cover, It is provided with chimney fan on the lower shell, offers several long slot holes respectively on the barrel of the upper shell and the lower shell, An acoustical panel is movably installed in each long slot hole respectively;The beneficial effects of the utility model are: when ventilator into Wind direction down the wind when, wind blows the wind gathering cover, and the resistance of generation rotates the upper shell around the bearing, makes institute It states and enters the wind cylinder always down the wind, external air is very easy to enter inside cabin by ventilator in this way, when ventilator When air inlet direction blows to the air inlet cylinder against wind direction or inclination, under drag effect of the wind gathering cover to wind, institute is driven It states upper shell to rotate around the bearing, rotates to the air inlet cylinder down the wind, external air again can very easily Enter inside cabin by ventilator, therefore, the wind gathering cover plays the role of wind vane, make the air inlet cylinder always with wind To consistent, ventilation effect is also assured in the case where not using blower, avoids blower bring noise, and due on described Several long slot holes are offered on the barrel of cylinder and the lower shell respectively, are movably installed with one respectively in each long slot hole A acoustical panel, the acoustical panel can prevent sound transmission and air-flow allowed to pass through, and be the important of elimination air power noise Measure can according to need the quantity and type for selecting the acoustical panel installation since the acoustical panel is activity installation Number, it can the degree that reduces of effective control noise.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model It encloses.Wherein:
Fig. 1 is the schematic perspective view of the utility model embodiment;
Fig. 2 is the cross-sectional view of the utility model embodiment;
Fig. 3 is the partial enlarged view in Fig. 2 at I;
Fig. 4 be II in Fig. 2 at partial enlarged view;
In figure: 1- upper shell;2- lower shell;3- bearing;4- enters the wind cylinder;5- strut;6- wind gathering cover;7- chimney fan;8- disappears Soundboard;9- plate body;10- noise reduction rubber slab;11- knob portion;12- bloop.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim Range.
As shown in Figures 1 to 4, conducive to the ship Ventilator device of noise reduction, including upper shell 1 and lower shell 2, it is described on Cylinder 1 and the lower shell 2 are rotatably connected by bearing 3, and air inlet cylinder 4, the upper cylinder are provided on the upper shell 1 The tail portion for being located at the air inlet cylinder 4 on body 1, which extends back, is provided with strut 5, and the end of the strut 5 is fixedly installed with wind gathering cover 6, it is provided with chimney fan 7 on the lower shell 2, offers several length respectively on the barrel of the upper shell 1 and the lower shell 2 Slot is movably installed with an acoustical panel 8 in each long slot hole respectively;When the air inlet direction of ventilator down the wind when, Wind blows the wind gathering cover 6, and the resistance of generation rotates the upper shell 1 around the bearing 3, makes the air inlet cylinder 4 always Down the wind, air external in this way is very easy to enter inside cabin by ventilator, when the air inlet direction of ventilator against Wind direction or inclination are when blowing to the air inlet cylinder 4, under drag effect of the wind gathering cover 6 to wind, drive the upper shell 1 around The bearing 3 rotate, rotate to the air inlet cylinder 4 down the wind, external air again can very easily process be divulged information Cylinder enter cabin inside, therefore, the wind gathering cover 6 plays the role of wind vane, make the air inlet cylinder 4 always with wind direction one It causes, also assures ventilation effect in the case where not using blower, avoid blower bring noise, and due to the upper shell 1 and the lower shell 2 barrel on offer several long slot holes respectively, be movably installed with one respectively in each long slot hole The acoustical panel 8, the acoustical panel 8 can prevent sound transmission and air-flow allowed to pass through, and be to eliminate air power noise Important measures can according to need the number for selecting the acoustical panel 8 to install since the acoustical panel 8 is activity installation Amount and model, can the degree that reduces of effective control noise.
As depicted in figs. 1 and 2, the upper shell 1 and the lower shell 2 are " L " type tube body, the upper shell 1 and institute It is cylinder that lower shell 2, which is stated, by one end that the bearing 3 links together, and the air inlet cylinder 4 and the chimney fan 7 are respectively side Cylinder.The lower end of the upper shell 1 and the upper end of the lower shell 2 are the cylinder, therefore the two can pass through the bearing 3 It is rotatably connected, and rotates very flexibly, convenient for being rotated in time with wind direction, the upper end of the upper shell 1 and institute The lower end for stating lower shell 2 is respectively the square tube, convenient for the installation of the acoustical panel 8, the shape of the acoustical panel 8 and the side The inside dimension of cylinder is adapted.
As shown in Figures 2 and 3, the acoustical panel 8 includes the plate body 9 positioned at the wall inner portion, the two sides of the plate body 9 It is fixedly installed with noise reduction rubber slab 10 respectively, further includes the knob portion being wholely set outside the barrel with the plate body 9 11.Resistive muffler mainly reduces noise using sound-absorbing porous material.Sound-absorbing material is fixed in airflow channel It is arranged in the duct on wall or according to certain way, just constitutes resistive muffler.When sound wave enters resistive muffler, one Divide sound that can rub in the hole of porous material and be converted to thermal energy consumption and dissipate, makes to weaken by the sound wave of muffler.It is described to disappear Soundboard 8 just belongs to resistive muffler, and the overall dimensions of the acoustical panel 8 are adapted with the barrel, and the acoustical panel 8 can lead to The long slot hole that the knob portion 11 pulls out and is packed on the barrel is crossed, therefore when erasure effect is undesirable, Ke Yishi When the quantity that increases the acoustical panel 8 improves erasure effect, sound reaches under the blocking of the acoustical panel 8 in layer To the effect of good noise reduction, the noise reduction rubber slab 10 not only with noise reduction but also can have certain elasticity, in this way can be with Fix the acoustical panel 8 in the long slot hole stronger, and the better tightness with the long slot hole.
As shown in Figure 3 and Figure 4, the acoustical panel 8 can be the vertical barrel to insert, and be also possible to tilt certain angle Degree selects suitable setting angle according to the actual situation to insert to ensure good erasure effect.
As shown in Figure 1 to Figure 3, several bloops 12 are provided on the acoustical panel 8.Can wherein a part described in disappear The bloop 12 is provided on soundboard 8.The proof gold metal thin plate that the acoustical panel 8 can be less than 1mm using thickness makes, thin It is less than the bit bore of 1mm on plate with aperture, punching rate is 1% one 3%, the chamber for selecting different punching rates different with plate thickness It is deep, so that it may which that the spectral performance for controlling muffler makes it obtain good erasure effect in the frequency range of needs.Work as use When the acoustical panel 8 with the bloop 12, be between the acoustical panel 8 and the barrel it is gapless, air passes through The bloop 12 circulates;But when using the acoustical panel 8 without the bloop 12, the acoustical panel 8 The gap for thering is gas to circulate between the barrel.
As depicted in figs. 1 and 2, the wind gathering cover 6 is plastics umbrella wind gathering cover.The wind gathering cover 6 is similar in life often The wind sleeve seen.It is preferably made of light-weight water-proof cloth, there is flexibility ratio high point, threshold wind velocity is small for revolution, high reliablity, makes With the advantage that the service life is long, the wind gathering cover 6 can drive the upper shell 1 under described according to wind direction adjust automatically direction Cylinder 2 rotates, and is that direction is grasped in the rotation of the upper shell 1.
The utility model does not illustrate the utility model preferably in the oral area of the air inlet cylinder 4 withouyt blower The air inlet cylinder 4 at cannot install blower additional, blower can also be installed additional according to the actual situation, then pass through the acoustical panel 8 Carry out noise reduction.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. being conducive to the ship Ventilator device of noise reduction, it is characterised in that: including upper shell and lower shell, the upper shell and institute It states lower shell to be rotatably connected by bearing, air inlet cylinder is provided on the upper shell, is located on the upper shell described The tail portion of air inlet cylinder, which extends back, is provided with strut, and the end of the strut is fixedly installed with wind gathering cover, sets on the lower shell It is equipped with chimney fan, offers several long slot holes, each long slot hole respectively on the barrel of the upper shell and the lower shell It is inside movably installed with an acoustical panel respectively.
2. being conducive to the ship Ventilator device of noise reduction as described in claim 1, it is characterised in that: the upper shell and described It is cylinder that lower shell, which is " L " type tube body, the upper shell and the lower shell by one end that the bearing links together, The air inlet cylinder and the chimney fan are respectively square tube.
3. being conducive to the ship Ventilator device of noise reduction as described in claim 1, it is characterised in that: the acoustical panel includes position In the plate body of the wall inner portion, the two sides of the plate body are fixedly installed with noise reduction rubber slab respectively, further include being located at the cylinder The knob portion being wholely set outside wall with the plate body.
4. being conducive to the ship Ventilator device of noise reduction as claimed in claim 3, it is characterised in that: be arranged on the acoustical panel There are several bloops.
5. being conducive to the ship Ventilator device of noise reduction as described in claim 1, it is characterised in that: the wind gathering cover is plastics Umbrella wind gathering cover.
CN201920570456.XU 2019-04-24 2019-04-24 Conducive to the ship Ventilator device of noise reduction Expired - Fee Related CN209719885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920570456.XU CN209719885U (en) 2019-04-24 2019-04-24 Conducive to the ship Ventilator device of noise reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920570456.XU CN209719885U (en) 2019-04-24 2019-04-24 Conducive to the ship Ventilator device of noise reduction

Publications (1)

Publication Number Publication Date
CN209719885U true CN209719885U (en) 2019-12-03

Family

ID=68673739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920570456.XU Expired - Fee Related CN209719885U (en) 2019-04-24 2019-04-24 Conducive to the ship Ventilator device of noise reduction

Country Status (1)

Country Link
CN (1) CN209719885U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111268085A (en) * 2020-02-27 2020-06-12 广船国际有限公司 Ventilation system for ship superstructure and arrangement method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111268085A (en) * 2020-02-27 2020-06-12 广船国际有限公司 Ventilation system for ship superstructure and arrangement method thereof

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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: 20191203

Termination date: 20200424

CF01 Termination of patent right due to non-payment of annual fee