CN206151364U - Dust catcher with function of making an uproar is fallen - Google Patents
Dust catcher with function of making an uproar is fallen Download PDFInfo
- Publication number
- CN206151364U CN206151364U CN201620598054.7U CN201620598054U CN206151364U CN 206151364 U CN206151364 U CN 206151364U CN 201620598054 U CN201620598054 U CN 201620598054U CN 206151364 U CN206151364 U CN 206151364U
- Authority
- CN
- China
- Prior art keywords
- anechoic chamber
- air
- flow
- chamber
- dust catcher
- 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.)
- Active
Links
Abstract
The utility model discloses a dust catcher with function of making an uproar is fallen, wherein: inside first anechoic room, second anechoic room, third anechoic room and the fourth anechoic room of still being equipped with of casing of dust catcher, air intake, motor generator room, first anechoic room, second anechoic room, third anechoic room, fourth anechoic room, air outlet communicate in proper order, and wherein, the air current is followed first anechoic room gets into the first upset of predetermineeing the angle takes place during the second anechoic room, follows the second anechoic room gets into the upset that the angle was predetermine to the second takes place during the third anechoic room, follows the third anechoic room gets into the upset that the angle was predetermine to the third takes place during the fourth anechoic room, follows the fourth anechoic room gets into the upset that the angle was predetermine to the fourth takes place during the air outlet. The utility model provides a dust catcher with function of making an uproar is fallen, when guaranteeing dust catcher dust absorption performance, effective noise reduction, the user uses and experiences better.
Description
Technical field
The utility model is related to a kind of dust catcher with decrease of noise functions.
Background technology
Dust catcher is widely used in the cleaning of various places.Air channel is typically provided with dust catcher, its role is to improve
The performance of dust catcher, while reducing the noise of dust catcher.The dust catcher of such as Wet-dry, it is provided with wind in nose assembly
Road.Common air channel type has：Single air-duct spiral case type air channel, annular passage, and the labyrinth type air duct of variable cross-section.
Above-mentioned Duct design structure is used on dust catcher, and dust catcher performance and noise can not be effectively taken into account mostly, and
Exhaust air flue mostly overturns structure, using its resistive counteracting noise reduction principle, or revolves direct air-out of turning around, and noise reduction measure is more single
One, noise reduction frequency range is not wide, and complete machine noise is still high, and ear sense is bad.
The quiet design of dust catcher is required in family expenses and Code in Hazardous Special Locations (such as reception room, Office Space etc.), accordingly, it would be desirable to
The denoising structure of existing dust catcher is improved.
Utility model content
The utility model purpose is to provide a kind of dust catcher with decrease of noise functions, is ensureing the same of dust catcher dust suction performance
When, noise can be effectively reduced, user experience is more preferable.
The technical solution of the utility model is：
A kind of dust catcher with decrease of noise functions, including housing, the housing has air inlet and air outlet, the housing
The motor room that inside is provided with impeller, the motor for driving the impeller, houses the motor, impeller rotation described in the Motor drive
Unidirectional air-flow is produced, air-flow is entered from the air inlet, discharged from the air outlet, wherein：The enclosure interior is additionally provided with
First anechoic chamber, the second anechoic chamber, the 3rd anechoic chamber and the 4th anechoic chamber, the air inlet, motor room, the first anechoic chamber,
Two anechoic chambers, the 3rd anechoic chamber, the 4th anechoic chamber, air outlet are sequentially communicated, wherein, air-flow enters institute from first anechoic chamber
There is the upset of the first predetermined angle when stating the second anechoic chamber, occur when entering three anechoic chamber from second anechoic chamber
The upset of the second predetermined angle, turns over from the 3rd anechoic chamber into there is the 3rd predetermined angle during four anechoic chamber
Turn, the upset of the 4th predetermined angle occurs when entering the air outlet from the 4th anechoic chamber.
Preferably, above-mentioned dust catcher, wherein：It is provided with first anechoic chamber and the connected entrance of second anechoic chamber
Flow-disturbing mechanism, if the air-flow for flowing to second anechoic chamber from first anechoic chamber passes through to form carried interest during the flow-disturbing mechanism
Flow-disturbing.
Further, above-mentioned dust catcher, wherein：The flow-disturbing mechanism includes aperture wooden partition, sets on the aperture wooden partition
There are some through holes, the diameter of each through hole is different with air-out direction.
Preferably, above-mentioned dust catcher, wherein：3rd anechoic chamber includes some air channels, from second anechoic chamber
If being separated to form carried interest air-flow when flowing to the air-flow of the 3rd anechoic chamber by each air channel, and converge into described
Four anechoic chambers.
Further, above-mentioned dust catcher, wherein：Air-flow in each air channel enters the direction of the 4th anechoic chamber
It is different.
Further, above-mentioned dust catcher, wherein：The air channel include be sequentially communicated the first contraction chamber, expansion cavity and
Second contraction chamber, first contraction chamber is connected with second anechoic chamber, second contraction chamber and the 4th anechoic chamber
Connection.
Preferably, above-mentioned dust catcher, wherein：The motor room passes through air-flow with the connected entrance of first anechoic chamber
Sectional area of the sectional area less than the air-flow that the connected entrance is flowed to from the motor room.
Preferably, above-mentioned dust catcher, wherein：Body of the volume of second anechoic chamber more than first anechoic chamber
Product.
Based on identical inventive concept, the utility model provides the dust catcher that another has decrease of noise functions, including housing,
The housing has air inlet and air outlet, motor, the collecting electricity that the enclosure interior is provided with impeller, drives the impeller
The motor room of machine, impeller rotation described in the Motor drive produces unidirectional air-flow, and air-flow is entered from the air inlet, from described
Air outlet is discharged, wherein：The enclosure interior is additionally provided with the first anechoic chamber, the second anechoic chamber, the 3rd anechoic chamber being sequentially communicated
With the 4th anechoic chamber, first anechoic chamber also connects with the motor room of the dust catcher, the 4th anechoic chamber also with it is described
The air outlet connection of dust catcher, wherein first anechoic chamber is arranged on motor room outside, second anechoic chamber is arranged on institute
The first anechoic chamber upside is stated, the 3rd anechoic chamber is located at same level and positioned at the motor with second anechoic chamber
Room top, the 4th anechoic chamber is located at the air outlet lower section of the 3rd anechoic chamber and the dust catcher.
Preferably, above-mentioned dust catcher, wherein：3rd anechoic chamber includes some air channels, from second anechoic chamber
If being separated to form carried interest air-flow when flowing to the air-flow of the 3rd anechoic chamber by each air channel, and converge into described
Four anechoic chambers.
Further, above-mentioned dust catcher, wherein：The cross-sectional area of the air inlet in the air channel and the air-out in the air channel
The cross-sectional area of mouth is respectively less than the cross-sectional area of the pars intermedia in the air channel.
Further, above-mentioned dust catcher, wherein：The cross-sectional area of the pars intermedia in each air channel is different, and/or each institute
The inner wall shape for stating air channel is different.
Further, above-mentioned dust catcher, wherein：The inwall in the air channel forms some protuberances and/or depression
Portion.
Preferably, above-mentioned dust catcher, wherein：The cross-sectional area of first anechoic chamber and the connected entrance of the motor room
Less than the cross-sectional area of first anechoic chamber pars intermedia.
Preferably, above-mentioned dust catcher, wherein：Connected by some through holes between first anechoic chamber and the second anechoic chamber
It is logical.
Preferably, above-mentioned dust catcher, wherein：First anechoic chamber and/or the second anechoic chamber and/or the 3rd anechoic chamber
And/or the 4th the inwall of anechoic chamber be provided with quieter material.
Preferably, above-mentioned dust catcher, wherein：Motor shock absorption pad, the motor shock absorption pad are provided with the motor room
Positioned at the above and or below of motor.
The Substantial technical feature that the utility model has many protrusions is can be seen that from above technical solution, it is real
After applying technical solutions of the utility model, its significant technological progress is mainly reflected in：
(1) enclosure interior of the utility model dust catcher is provided with the first anechoic chamber, the second anechoic chamber, the 3rd anechoic chamber and
Four anechoic chambers, wherein, there is the upset of the first predetermined angle when entering second anechoic chamber from first anechoic chamber in air-flow,
There is the upset of the second predetermined angle when entering three anechoic chamber from second anechoic chamber, enter from the 3rd anechoic chamber
There is the upset of the 3rd predetermined angle when entering four anechoic chamber, occur when entering the air outlet from the 4th anechoic chamber
The upset of the 4th predetermined angle.Said structure of the present utility model causes the direct of travel of air-flow that repeatedly upset, Neng Gouyou occur
Effect abatement sound source power, reduces the purpose of noise, and the experience effect of user is more preferable.
(2) enclosure interior of the utility model dust catcher is provided with the first anechoic chamber, the second anechoic chamber, the 3rd anechoic chamber and
Four anechoic chambers, wherein, first anechoic chamber is arranged on the motor room outside, and second anechoic chamber is arranged on described first
Anechoic chamber upside；3rd anechoic chamber is located at same level and positioned at dust collector generator chamber with second anechoic chamber
Top；4th anechoic chamber is located at the 3rd anechoic chamber lower section and connects with dust catcher air outlet；4th noise reduction
Room is located at the 3rd anechoic chamber lower section and connects with dust catcher air outlet.Said structure of the present utility model causes air-flow
There is repeatedly upset in direct of travel, can effectively cut down sound source power, reduce the purpose of noise, the experience effect of user
Fruit is more preferably.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Fig. 1 is lid structure chart detached with nose assembly in the utility model；
Fig. 2 is sectional view of the nose assembly under a visual angle in the utility model；
Fig. 3 is sectional view of the nose assembly under another visual angle in the utility model；
Fig. 4 is the structure chart that nose assembly removes after lid in the utility model；
Fig. 5 is the structure chart of the 3rd anechoic chamber in the utility model；
Fig. 6 is the exploded view of nose assembly in the utility model.
Specific embodiment
Embodiment 1
As shown in figures 1 to 6, the utility model provides a kind of dust catcher with decrease of noise functions.The dust catcher includes head
Component 1 and collecting vessel (not shown), air-flow enters nose assembly 1 after the separation of collecting vessel dust and gas.Nose assembly 1 is wrapped
Include housing 10, the lid 3 above housing 10.The motor room 100 and motor for housing motor 2 is provided with inside the housing 10
The second anechoic chamber 120 and disappear with second that the first anechoic chamber 110 that room 100 is connected is connected with the first anechoic chamber 110
The 3rd anechoic chamber 130 that tone chamber 120 is connected.It is additionally provided with inside the housing 10 and is connected and is located at the 3rd anechoic chamber 130
4th anechoic chamber 140 of the lower section of the 3rd anechoic chamber 130, the 4th anechoic chamber 140 also connects with dust catcher air outlet 150.Its
In, the 4th anechoic chamber 140 is located at the lower section of the air outlet 150, filtration members can be arranged at the air outlet 150, to realize air-flow
Final filtration.
Referring to shown in the direction of arrow in Fig. 2, the air-flow from the air inlet suction being arranged on collecting vessel is by motor room 120
Lower section is entered in motor room 100；Into the air-flow in motor room 100 again from first anechoic chamber 110 and the motor room 100
Connected entrance 1111 enter the first anechoic chamber 110；Into the first anechoic chamber 110 air-flow again from first anechoic chamber 110 with
The connected entrance 1201 of second anechoic chamber 120 enters the second anechoic chamber 120.It is shown in Figure 1, into the second anechoic chamber 120
Air-flow enter the 3rd anechoic chamber 130 from the connected entrance 1301 of second anechoic chamber 120 and the 3rd anechoic chamber 130 again；
Air-flow into the 3rd anechoic chamber 130 enters again from the 4th anechoic chamber 140 with the connected entrance 1401 of the 3rd anechoic chamber 130
Enter the 4th anechoic chamber 140.Shown in Figure 2, the air-flow into the 4th anechoic chamber 140 is again from the 4th anechoic chamber 140 and institute
The connected entrance 1501 for stating dust catcher air-out 150 enters the dust catcher air outlet 150, finally from the dust catcher air outlet 150
Discharge.The dust catcher air outlet 150 is oriented upwards.
In said structure of the present utility model, first anechoic chamber 110 is arranged on the outside of the motor room 100, described
Second anechoic chamber 120 is arranged on the upside of first anechoic chamber 110, and air-flow is entered behind the first anechoic chamber 110 from motor room 100,
Direction occurs to enter the second anechoic chamber after substantially 90 degree upsets；3rd anechoic chamber 130 and second anechoic chamber 120 are located at
Same level and positioned at the top of the motor room 100, air-flow is entered behind the second anechoic chamber 120 from the first anechoic chamber 110, side
Spend after upset into the 3rd anechoic chamber 130 to occurring substantially 90 again；4th anechoic chamber 140 is located at the 3rd anechoic chamber
Connect below 130 and with dust catcher air outlet, into the air-flow of the 3rd anechoic chamber 130, direction occurs again substantially 90 degree and turns over
The 4th anechoic chamber 140 is entered after turning；4th anechoic chamber 140 is located at the lower section of the 3rd anechoic chamber 130 and and dust catcher
Air outlet 150 is connected, and into the air-flow of the 4th anechoic chamber 140, direction occurs to go out into dust catcher after substantially 90 degree upsets again
Wind
150, and then discharge from dust catcher air outlet 150.Said structure of the present utility model causes the direct of travel of air-flow
Repeatedly overturn, can effectively cut down sound source power, reduce the purpose of noise.
Optimally, as shown in Figure 1,3, the 3rd anechoic chamber 130 includes that two separate the air channel for arranging, the i.e. He of the first air channel 132
Second air channel 134.Air channel described in two surrounds motor 2.The air inlet in the air channel is second anechoic chamber 120 and described
The connected entrance 1301 of three anechoic chambers 130, the air outlet in the air channel is the 4th anechoic chamber 140 and the 3rd anechoic chamber
130 connected entrance 1401, the air inlet in air channel described in two is connected with second anechoic chamber 130, the air-out in air channel described in two
Mouth is connected with the 4th anechoic chamber 140.The air-flow of the 3rd anechoic chamber 130 wind described in two is entered from the second anechoic chamber 120
Road is divided into two strands of air-flows, and two strands of air-flows are combined into again one when into four anechoic chambers 140, can avoid air-flow
Produce in air channel and utter long and high-pitched sounds, effectively the noise in abatement sound source.
Further optimally, the air inlet in the air channel is led to by the cross-sectional area of air-flow less than the pars intermedia in the air channel
The cross-sectional area of air-flow is crossed, and the air outlet in the air channel is led to by the cross-sectional area of air-flow less than the pars intermedia in the air channel
The cross-sectional area of air-flow is crossed, thus, the air-flow from the second anechoic chamber 120 is separated into after two strands of air-flows, wherein one air-flow
Wherein the air inlet in an air channel is retracted, into after the air channel, due to the middle cross section in the air channel
Product is relatively large, and air-flow flows to the 4th in the air channel intramedullary expansion, the finally air outlet in the air channel after being retracted again
Anechoic chamber 140.Air-flow can effectively cut down the low-frequency range noise in sound source through above-mentioned contraction, expansion, the change shunk.
Wherein, air channel described in two is asymmetric setting.For example, the cross-sectional area that the pars intermedia in air channel described in two passes through air-flow
Difference, and/or the inner wall shape difference in air channel described in two.Specifically, as shown in Figure 1,5, the side wall in the air channel is formed
One or more convex portions 139, can cause the air channel changing along width on airflow direction.The side wall in the air channel is also
One or more stage portions 138 can be formed, the air channel can be caused highly to change along airflow direction upper runner.
It is not etc. of different sizes or variform recessed that the inwall in the first air channel 132 and/or the second air channel 134 is also provided with quantity
Portion 136.Further, the first air channel 132 is different with the shape in the second air channel 134, can also be：First air channel 132 is rule
Shape, and the second air channel 134 is irregularly shaped.In addition, the angle in the first air channel 132 and the second air channel 134 can with difference, one
Air channel for arrange upward and another air channel to arrange down.
It should be noted that first, second air channel 132,134 can carry out asymmetric setting using following structure：For example,
The height in the first air channel 132 is uprised along airflow direction by low, and the height in the second air channel 134 along airflow direction by high step-down.Again
Such as, the width in the first air channel 132 is broadened along airflow direction by narrow, and the width in the second air channel 134 narrows from the width along airflow direction,
Preferably, by it is low uprise, by high step-down, by the narrow change frequency for broadening or narrowing from the width be one or many.
The said structure of the 3rd anechoic chamber 130 of the present utility model, air channel described in two sets in sectional area, vpg connection change
Put, so that flow-disturbing changes, can effectively cut down the dynamic pressure of fluid, so as to reduce uttering long and high-pitched sounds in noise reduction room for gas,
Make to cause the noise of the uncomfortable low-and high-frequency of human body to have and absorbed, ear sense is good, and the frequency range for abating the noise is wide, spectrum waveform
Gently, without larger peak value.
Used as preferred embodiment, the air-flow that first air channel flows through is by low change high pass, second air channel
The air-flow for flowing through is passed through by high step-down.The air-flow that first air channel flows through is passed through by narrow broadening, and second air channel makes
The air-flow for flowing through narrows from the width and passes through.
As shown in Figure 2 or Figure 3, motor room 100 is provided with several mesh 101, wherein mesh 101 and collection in inlet side
Barrel cavity is connected.The incoming air area of each mesh 101 constitutes the area of motor air inlet 102.First anechoic chamber with it is described
The connected entrance 1101 of motor room is less than cross section of first anechoic chamber pars intermedia by air-flow by the cross-sectional area of air-flow
Product.Consider to rise yupin effect and processability, the diameter of mesh 101 is preferably but is not limited to Φ 2- Φ 5mm.
Preferably, motor room 100 is connected by mesh 101 with air intake filtration system, and the mesh gross area is needed more than motor
More than 2.5 times of air-admitting surface, so that machine sound brings up to the non-audible high-frequency range for arriving of human ear.
As shown in Fig. 4 or Fig. 5, connected by multiple through holes 1030 between the first anechoic chamber 110 and the second anechoic chamber 120.
Second anechoic chamber 120 is located at the top of the first anechoic chamber 110, and the volume of the second anechoic chamber 120 is more than the appearance of the first anechoic chamber 110
Product, also greater than the volume of the 3rd anechoic chamber 130.The top of the second anechoic chamber 120 is provided with Air spacing pocket, and Air spacing pocket makes to have leisure
Gas is different with refraction to the spread speed of sound from solid, makes sound wave cancel out each other, and energy is weak.
Preferably, first anechoic chamber and/or the second anechoic chamber and/or the 3rd anechoic chamber and/or the 4th anechoic chamber
Inwall is provided with soft damping noise reduction medium, to eliminate high frequency noise.The soft damping noise reduction medium can be sponge, wool
Felt, impurity cotton etc..
Preferably, the cross-sectional sizes of each chamber air-out are motor air inlets in first, second, third, fourth anechoic chamber
More than 1.5 times of 102 areas, so as to cut down sound source power while air flow rate is ensured, reach the purpose of noise reduction.
Preferably, the sectional area of the first anechoic chamber 110 more than motor room 100 air outlet sectional area, and the second anechoic chamber
, more than the sectional area of the first anechoic chamber 110, the sectional area of the 3rd anechoic chamber 130 is more than the second anechoic chamber 120 for 120 sectional area
Sectional area, wherein the sectional area of the first anechoic chamber 110 is more than the area of motor air inlet 102.Certainly, the first anechoic chamber 110, second
Anechoic chamber 120 is also provided with the passage for allowing air-flow to be mutated, and be mutated then increased suddenly by the sectional area of passage or
Reduce realizing, the low-frequency range noise in making gas have the change of contraction, expansion, shunting, jet to cut down sound source.
In the present embodiment, between the first anechoic chamber 110 and the second anechoic chamber 120 realized by aperture wooden partition 103
There is the through hole 1030 of a number of radial direction arrangement in the mutation of passage, and aperture wooden partition 103.The gross area of through hole 1030 is electricity
More than 2.5 times of the area of machine air inlet 102, the centre-to-centre spacing of through hole 1030 and aperture ratio 1.5 less than 7 so that machine sound
Sound brings up to the non-audible high-frequency range for arriving of human ear.Consider to rise yupin effect and processability, the diameter of through hole 1030 be preferably but
It is not limited to Φ 2- Φ 5mm.
As shown in figure 5, the 3rd anechoic chamber 130 is also connected with the second anechoic chamber 120 including one end and the other end is then with
First, the air intake in the second air channel 132,134 is connected collecting chamber 1300 and the air-out with first, second air channel 132,134
, less than the volume of discharge chamber 1302, and collecting chamber 1300 cuts for the connected discharge chamber 1302 in end, the wherein volume of collecting chamber 1300
Area is more than the sectional area sum in first, second air channel 132,134, from there through the air channel of collecting chamber 1300 and first, second
132nd, the abrupt-change cross section between 134 air intake, makes gas have shunting, i.e., two strand or more than two strands, and first, second air channel
132nd, 134 differ in sectional area and shape, realize that flow-disturbing changes to cut down the dynamic pressure of fluid, so as to reduce gas in air channel
Inside utter long and high-pitched sounds, also have abrupt-change cross section between the outlet air end in the air channel 132,134 of discharge chamber 1302 and first, second in the same manner.
4th anechoic chamber 140 is connected with discharge chamber 1302, and wherein the volume of discharge chamber 1302 is less than the 4th anechoic chamber 140
Volume, and be also equipped with abrupt-change cross section between the anechoic chamber 140 of discharge chamber 1302 and the 4th, and made in the state of different flow-disturbings
Two strands of gases collaborate together, to cut down sound source in noise.
As shown in fig. 6, being provided with the first motor shock absorption pad 40 and/or the second motor shock absorption pad 42, institute in the motor room
The lower section that the first motor shock absorption pad 40 is located at the motor 2 is stated, the second motor shock absorption pad 42 is located at the upper of the motor 2
Side.The setting of motor shock absorption pad so that motor 2, into soft contact, increases buffering with structural member, reduces vibration transmission, further
Reduce noise.
Embodiment 2
As shown in figures 1 to 6, the present embodiment also provides a kind of dust catcher with decrease of noise functions, including housing 10, the shell
Body 10 has air inlet (not shown) and air outlet 150, impeller (not shown) is provided with inside the housing 10, is driven
The motor 2 of the impeller, the motor room 100 for housing the motor 2, it is unidirectional that the motor 2 drives the impeller rotation to produce
Air-flow, air-flow is entered from the air inlet, is discharged from the air outlet 150, wherein：It is additionally provided with first inside the housing 10 to disappear
Tone chamber 110, the second anechoic chamber 120, the 3rd anechoic chamber 130 and the 4th anechoic chamber 140, the air inlet, motor room 100, first
Anechoic chamber 110, the second anechoic chamber 120, the 3rd anechoic chamber 130, the 4th anechoic chamber 140, air outlet 150 are sequentially communicated, wherein, gas
The upset that the first predetermined angle occurs when entering second anechoic chamber 120 from first anechoic chamber 110 is flowed, from described second
There is the upset of the second predetermined angle in anechoic chamber 120, enter from the 3rd anechoic chamber 140 when entering three anechoic chamber 130
There is the upset of the 3rd predetermined angle when entering four anechoic chamber 140, from the 4th anechoic chamber 140 air outlet is entered
The upset of the predetermined angles of Shi Fasheng the 4th.
For above-mentioned technical proposal, specific embodiment is：First anechoic chamber 110 is arranged on the outside of motor room 100,
Second anechoic chamber 120 is arranged on the upside of first anechoic chamber 110, the 3rd anechoic chamber 130 and second noise reduction
Room 120 is located at same level and positioned at the top of the motor room 100, and the 4th anechoic chamber 140 disappears positioned at the described 3rd
Tone chamber 130 and air outlet lower section.
Optimally, the connected entrance of the motor room 100 and first anechoic chamber 110 by the sectional area of air-flow be less than from
The motor room 100 flows to the sectional area of the air-flow of the connected entrance.
Further optimally, volume of the volume of two anechoic chambers 120 more than first anechoic chamber 110.
As depicted in figs. 1 and 2, it is provided with flow-disturbing at first anechoic chamber 110 and the connected entrance of second anechoic chamber 120
Mechanism, forms some when flowing to the air-flow of second anechoic chamber 120 by the flow-disturbing mechanism from first anechoic chamber 110
Stock flow-disturbing.
Specifically, the flow-disturbing mechanism includes aperture wooden partition 103, and the aperture wooden partition 103 is provided with some through holes 1030,
The diameter of each through hole 1030 is different with air-out direction.
Optimally, the 3rd anechoic chamber 130 includes some air channels, and from second anechoic chamber 120 the described 3rd is flowed to
If being separated to form carried interest air-flow when the air-flow of anechoic chamber 130 is by each air channel, and converge into the 4th anechoic chamber
140.Specifically, as shown in Fig. 1,4,5, the quantity in the air channel is 2, and certainly, quantity is 2 simply citings, not new to practicality
The restriction of type technical scheme.
Above-mentioned specific embodiment can also make further optimization, and the air-flow in each air channel enters the 4th anechoic chamber
140 direction is different.The air channel includes the first contraction chamber, expansion cavity and the second contraction chamber being sequentially communicated, and described first receives
Contracting chamber connects with second anechoic chamber 120, and second contraction chamber is connected with the 4th anechoic chamber 140.
Certainly above-described embodiment its object is to allow and be familiar with this only to illustrate technology design of the present utility model and feature
The people of technology will appreciate that content of the present utility model and implements according to this, can not limit protection model of the present utility model with this
Enclose.Equivalent transformation or modification that all Spirit Essences according to the utility model main technical schemes are done, all should cover in this reality
Within new protection domain.
Claims (17)
1. a kind of dust catcher with decrease of noise functions, including housing, the housing has air inlet and air outlet, in the housing
The motor room (100) that portion is provided with impeller, the motor for driving the impeller, houses the motor, impeller described in the Motor drive
Rotation produces unidirectional air-flow, and air-flow is entered from the air inlet, discharges from the air outlet, it is characterised in that：The housing
Inside is additionally provided with the first anechoic chamber (110), the second anechoic chamber (120), the 3rd anechoic chamber (130) and the 4th anechoic chamber (140), institute
State air inlet, motor room (100), the first anechoic chamber (110), the second anechoic chamber (120), the 3rd anechoic chamber (130), the 4th noise reduction
Room (140), air outlet are sequentially communicated, wherein, air-flow is from first anechoic chamber (110) into second anechoic chamber (120)
The upset of the predetermined angles of Shi Fasheng first, occurs during from second anechoic chamber (120) into the 3rd anechoic chamber (130)
The upset of two predetermined angles, from the 3rd anechoic chamber (140) into the 3rd preset angle of generation during the 4th anechoic chamber (140)
The upset of degree, from the 4th anechoic chamber (140) into the upset that the 4th predetermined angle occurs during the air outlet.
2. the dust catcher with decrease of noise functions according to claim 1, it is characterised in that：First anechoic chamber (110)
Flow-disturbing mechanism is provided with the connected entrance of second anechoic chamber (120), from first anechoic chamber (110) described second is flowed to
Anechoic chamber (120) if air-flow pass through the flow-disturbing mechanism when formed carried interest flow-disturbing.
3. the dust catcher with decrease of noise functions according to claim 2, it is characterised in that：The flow-disturbing mechanism includes aperture
Wooden partition (103), the aperture wooden partition (103) is provided with some through holes (1030), the diameter of each through hole (1030) and goes out
Wind direction is different.
4. the dust catcher with decrease of noise functions according to any one of claim 1-3, it is characterised in that：3rd noise reduction
Room (130) includes some air channels, and the air-flow of the 3rd anechoic chamber (130) is flowed to by each from second anechoic chamber (120)
If being separated to form carried interest air-flow during the air channel, and converge into the 4th anechoic chamber (140).
5. the dust catcher with decrease of noise functions according to claim 4, it is characterised in that：Air-flow in each air channel enters
The direction for entering the 4th anechoic chamber (140) is different.
6. the dust catcher with decrease of noise functions according to claim 4, it is characterised in that：The air channel includes being sequentially communicated
The first contraction chamber, expansion cavity and the second contraction chamber, first contraction chamber is connected with second anechoic chamber (120), described
Second contraction chamber is connected with the 4th anechoic chamber (140).
7. the dust catcher with decrease of noise functions according to any one of claim 1-3,5-6, it is characterised in that：The motor
Room (100) is less than from the motor room (100) flow direction with the connected entrance of first anechoic chamber (110) by the sectional area of air-flow
The sectional area of the air-flow of the connected entrance.
8. the dust catcher with decrease of noise functions according to any one of claim 1-3,5-6, it is characterised in that：Described second
Volume of the volume of anechoic chamber (120) more than first anechoic chamber (110).
9. a kind of dust catcher with decrease of noise functions, including housing, the housing has air inlet and air outlet, in the housing
The motor room (100) that portion is provided with impeller, the motor for driving the impeller, houses the motor, impeller described in the Motor drive
Rotation produces unidirectional air-flow, and air-flow is entered from the air inlet, discharges from the air outlet, it is characterised in that：The housing
Inside is additionally provided with the first anechoic chamber (110), the second anechoic chamber (120), the 3rd anechoic chamber (130) and the 4th noise reduction being sequentially communicated
Room (140), first anechoic chamber (110) also connects with the motor room (100), the 4th anechoic chamber (140) also with institute
Air outlet connection is stated, wherein first anechoic chamber (110) is arranged on motor room (100) outside, second anechoic chamber (120)
The first anechoic chamber (110) upside is arranged on, the 3rd anechoic chamber (130) is with second anechoic chamber (120) positioned at same
One horizontal plane and positioned at the motor room (100) top, the 4th anechoic chamber (140) is positioned at the 3rd anechoic chamber
(130) and below the air outlet.
10. the dust catcher with decrease of noise functions according to claim 9, it is characterised in that：3rd anechoic chamber (130)
Including some air channels, the air-flow for flowing to the 3rd anechoic chamber (130) from second anechoic chamber (120) passes through each air channel
If when be separated to form carried interest air-flow, and converge into the 4th anechoic chamber (140).
11. dust catchers with decrease of noise functions according to claim 10, it is characterised in that：The air inlet in the air channel
The cross-sectional area of the air outlet in cross-sectional area and the air channel is respectively less than the cross-sectional area of the pars intermedia in the air channel.
12. dust catchers with decrease of noise functions according to claim 10, it is characterised in that：The pars intermedia in each air channel
Cross-sectional area it is different, and/or the inner wall shape in each air channel is different.
13. dust catchers with decrease of noise functions according to claim 12, it is characterised in that：The inwall shaping in the air channel
There are some protuberances and/or depressed part.
14. the dust catcher with decrease of noise functions according to any one of claim 9-13, it is characterised in that：Described first disappears
Tone chamber (110) is less than the horizontal stroke of the first anechoic chamber (110) pars intermedia with the cross-sectional area of the connected entrance of the motor room (100)
Sectional area.
15. dust catchers with decrease of noise functions according to any one of claim 9-13, it is characterised in that：Described first disappears
Connected by some through holes (1030) between tone chamber (110) and the second anechoic chamber (120).
16. dust catchers with decrease of noise functions according to any one of claim 9-13, it is characterised in that：Described first disappears
The inwall of tone chamber (110) and/or the second anechoic chamber (120) and/or the 3rd anechoic chamber (130) and/or the 4th anechoic chamber (140) sets
It is equipped with quieter material.
17. dust catchers with decrease of noise functions according to any one of claim 9-13, it is characterised in that：The motor room
Motor shock absorption pad is inside provided with, the motor shock absorption pad is located at the above and or below of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598054.7U CN206151364U (en) | 2016-06-17 | 2016-06-17 | Dust catcher with function of making an uproar is fallen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598054.7U CN206151364U (en) | 2016-06-17 | 2016-06-17 | Dust catcher with function of making an uproar is fallen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206151364U true CN206151364U (en) | 2017-05-10 |
Family
ID=58647049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620598054.7U Active CN206151364U (en) | 2016-06-17 | 2016-06-17 | Dust catcher with function of making an uproar is fallen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206151364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107212809A (en) * | 2017-07-28 | 2017-09-29 | 江苏美的清洁电器股份有限公司 | Dustbin type dust catcher |
-
2016
- 2016-06-17 CN CN201620598054.7U patent/CN206151364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107212809A (en) * | 2017-07-28 | 2017-09-29 | 江苏美的清洁电器股份有限公司 | Dustbin type dust catcher |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6382931B1 (en) | Compressor muffler | |
| CA2712924C (en) | Silencer for drying appliance and silent hair dryer | |
| CN101457946B (en) | Bionic micropore noise reduction structure for smoke exhaust system | |
| US5996731A (en) | Compressor muffler | |
| CN207214201U (en) | A kind of near-suction type oil smoke suction machine | |
| JP2022509612A (en) | Air treatment equipment | |
| CN104180412A (en) | Smoke absorbing and noise reducing device of range hood | |
| CN106050751A (en) | Silencer of range hood | |
| CN103697511B (en) | Diffusion drainage device of range hood | |
| EP3628202B1 (en) | Vacuum cleaner and motor module thereof | |
| CN111835130A (en) | Motor element and cleaning equipment | |
| CN107345679A (en) | A kind of denoising device and the range hood with the denoising device | |
| CN106765384A (en) | A kind of perforated microstructure low noise lampblack absorber | |
| CN206151364U (en) | Dust catcher with function of making an uproar is fallen | |
| CN105987418A (en) | Ultra-silent side-draft range hood | |
| CN111102247B (en) | Amortization subassembly, centrifugal fan's spiral case subassembly, centrifugal fan and lampblack absorber | |
| CN207214198U (en) | A kind of near-suction type oil smoke suction machine | |
| CN106949099B (en) | Dust catcher motor air pump | |
| CN202544964U (en) | Silencer | |
| CN207214203U (en) | A kind of near-suction type oil smoke suction machine | |
| CN207230680U (en) | A kind of near-suction type oil smoke suction machine | |
| CN207907384U (en) | Efficient mute air purifier | |
| CN202047880U (en) | Novel impedance composite silencer | |
| CN205895706U (en) | Range hood's silencer | |
| CN207214202U (en) | A kind of near-suction type oil smoke suction machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |