CN102319040A

CN102319040A - Mute dust collector

Info

Publication number: CN102319040A
Application number: CN201110270505A
Authority: CN
Inventors: 张瑜杰; 程宗南; 陈远
Original assignee: Jiangsu Midea Chunhua Electric Appliances Co Ltd
Current assignee: Jiangsu Midea Cleaning Appliances Co Ltd
Priority date: 2011-09-14
Filing date: 2011-09-14
Publication date: 2012-01-18
Anticipated expiration: 2031-09-14
Also published as: CN102319040B

Abstract

The invention provides a mute dust collector which comprises an inner cover, a motor assembly and an HEPA (High Efficiency Particulate Air) filter assembly. The inner cover is provided with an accommodating chamber for accommodating the motor assembly, an air outlet channel and an HEPA storage chamber, the motor assembly comprises a motor air inlet and a motor air outlet communicated with the accommodating chamber, and the HEPA storage chamber is arranged between the accommodating chamber and the air outlet channel and communicated with the accommodating chamber and the air outlet channel. The dust collector also comprises the HEPA assembly which is inserted in the HEPA storage chamber. The dust collector can lower noise.

Description

Quiet dust catcher

Technical field

The present invention relates to dust catcher.

Background technology

Usually, dust catcher comprises electric machine assembly, and electric machine assembly has motor air inlet and motor air outlet.This electric machine assembly is used to produce suction; This suction is sucked into ground impurity and the ambient air air inlet from dust catcher in the dust collection bag; Impurity is stored in air behind the dirt collection band and gets into the motor air inlet of electric machine assembly from dust collection bag, discharges from the air outlet of dust catcher through the motor air outlet.In described electric machine assembly, the rotation of motor can make flow air produce noise, and in addition, motor also can produce certain vibration, and this vibration reaches in the motor room of placing motor or in the main body of dust collector and the generation noise.In the place that needs peace and quiet, noise makes the use of dust catcher be restricted.

Summary of the invention

The problem that the present invention solves is the existing big problem of dust catcher noise.

For addressing the above problem, the present invention provides a kind of dust catcher, and this dust catcher comprises inner cover, electric machine assembly and HEPA assembly.This inner cover has accommodating chamber, air-out passage and the HEPA receiving room that holds said electric machine assembly; Said electric machine assembly comprises motor air inlet and the motor air outlet that is communicated with said accommodating chamber; Said HEPA receiving room between said accommodating chamber and said air-out passage and with said accommodating chamber and said air-out channel connection, said dust catcher also comprises the HEPA assembly that inserts said HEPA receiving room.

Alternatively; Said dust catcher also comprises shell; Shell is provided with the insertion groove that runs through this outer casing bottom, and this insertion groove is communicated with said HEPA receiving room, and said HEPA assembly comprises support and the end cap with HEPA paper; It specifically is that said support is positioned at said HEPA receiving room that said HEPA assembly inserts said HEPA receiving room, and said end cap is connected with said insertion groove detachable.

Alternatively, the two lateral walls of said insertion groove is provided with conduit, and the relative both sides of said end cap are provided with slide rail, said end cap be connected with said insertion groove detachable comprise said slide rail along said conduit move or said slide rail break away from said conduit.

Alternatively, said dust catcher is a horizontal dust collector, and the machine shaft of said electric machine assembly is perpendicular to ground, the motor air inlet than motor air outlet further from ground.

Alternatively, said HEPA receiving room has identical sidewall with accommodating chamber, and this sidewall is provided with connected entrance, and said HEPA receiving room and accommodating chamber are communicated with through this connected entrance.

Alternatively; Said accommodating chamber is the cavity structure with a connected entrance that is surrounded by roof, sidewall and diapire; Said motor air inlet is arranged on the roof; Sidewall in the shared said sidewall of said accommodating chamber and HEPA receiving room is provided with said connected entrance on this sidewall, it is that this accommodating chamber is communicated with the HEPA receiving room through said connected entrance that said accommodating chamber is communicated with the HEPA receiving room.

Alternatively; Said accommodating chamber is to have a connected entrance and a uncovered cavity structure by what roof and sidewall surrounded, and said motor air inlet is arranged on the roof, the sidewall in the shared said sidewall of said HEPA receiving room and said accommodating chamber; Said connected entrance is set on this sidewall; It is that this accommodating chamber is communicated with said HEPA receiving room through said connected entrance that said accommodating chamber is communicated with the HEPA receiving room, and said dust catcher also comprises shell, and this shell has the uncovered sealing of sealing.

The present invention also provides another kind of dust catcher; It comprises electric machine assembly and the accommodating chamber and the air-out passage that are used to accommodate said electric machine assembly; It also comprises the HEPA receiving room; This HEPA receiving room between said accommodating chamber and said air-out passage and with said accommodating chamber and said air-out channel connection, said dust catcher also comprises the HEPA assembly that inserts said HEPA receiving room, the air that gets into dust catcher flows to the HEPA receiving room by accommodating chamber and filters the back through said HEPA assembly and discharges from the air-out passage.

Alternatively, this dust catcher is a horizontal dust collector, and said electric machine assembly is vertically placed in the said accommodating chamber and the motor air outlet of said electric machine assembly is communicated with accommodating chamber, the motor air inlet of said electric machine assembly than motor air outlet further from ground.

Alternatively; Said accommodating chamber is the cavity structure with a connected entrance that is surrounded by roof, sidewall and diapire; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber; Said connected entrance is set on this sidewall; Said HEPA receiving room and air-out passage have common common wall, and said common wall is provided with the channel connection mouth, said HEPA receiving room and accommodating chamber and air-out channel connection be said HEPA receiving room through said connected entrance corresponding with the channel connection mouth with accommodating chamber and air-out channel connection.

Alternatively; Said accommodating chamber is to have a connected entrance and a uncovered cavity structure by what roof and sidewall surrounded; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber is provided with said connected entrance on this sidewall, said HEPA receiving room and said air-out passage have common common wall; Said common wall is provided with the channel connection mouth; Said HEPA receiving room and accommodating chamber and air-out channel connection be said HEPA receiving room through said connected entrance corresponding with the channel connection mouth with accommodating chamber and air-out channel connection, said dust catcher also comprises shell, this shell has and seals uncovered sealing.

Compared with prior art, the invention has the beneficial effects as follows:

1, because the present invention is being provided with the HEPA receiving room and insertion HEPA assembly in this HEPA receiving room between air-out passage and the accommodating chamber; Like this; After a, HEPA assembly intercepted air-flow, the density of air-flow increased, and air-flow is in HEPA inter-module resilient depression repeatedly; The sound wave energy of same frequency produces and disappears mutually, realizes damping; B, this process make and the chance that increases the friction acting between the air-flow realize the conversion of kinetic energy and heat energy to a greater extent; The HEPA paper of c, HEPA assembly can make the sound wave of the flat rate of part penetrate; Finally being converted into heat energy in accommodating chamber inside discharges with air-flow; In the process of above three aspect air-flows through the HEPA assembly; By the noise reduction of HEPA assembly, make the sound wave of air-out passage reduce, reach the purpose that reduces noise.And air-flow filters the back by HEPA paper refinement layering through air-out HEPA, is difficult between the refinement uniform airflow producing additional noise, further reaches the purpose of noise reduction.

2, because shell is provided with the insertion groove that is communicated with the HEPA receiving room, and HEPA lid is connected with said insertion groove detachable, and like this, installation HEPA assembly makes things convenient for.

3, because accommodating chamber is the cavity structure with a connected entrance, so, after inserting the HEPA assembly; Said accommodating chamber not only is the equal of an enclosed construction, and said HEPA assembly just is close to accommodating chamber; Sound wave can be repeatedly in this enclosure space internal reflection, thereby, reach the purpose that reduces noise; Same, when accommodating chamber has a connected entrance and a uncovered cavity structure, insert HEPA assembly and both seals uncovered after; Said accommodating chamber becomes enclosure space equally, and sound wave still can repeatedly reflect, and reaches the purpose that reduces noise.

Description of drawings

Fig. 1 is a quiet dust collector structure sketch map of the present invention;

Fig. 2 is the cutaway view of Fig. 1 along the A-A line;

Fig. 3 is the stereogram of inner cover one angle of quiet dust catcher;

Fig. 4 is the stereogram of another angle of inner cover shown in Figure 3;

Fig. 5 is the constitutional diagram of quiet motor of dust collector assembly of the present invention;

Fig. 6 is the partial enlarged drawing of B part among Fig. 2.

The specific embodiment

By the technology contents, the structural feature that specify the invention, reached purpose and effect, will combine embodiment and conjunction with figs. to specify below.

See also Fig. 1, the dust catcher of present embodiment is a horizontal dust collector, and this dust catcher comprises shell 1, inner cover 2, electric machine assembly 3 and HEPA assembly 4.Shell 1 is provided with air inlet 11 and air outlet 12.This air inlet 11 can be communicated with dust exhaust apparatus through sweep-up pipe; Like this; When said dust exhaust apparatus contacted with ground, ground dust and/or foreign material can be through dust exhaust apparatus through the dust collection bag (not shown) of sweep-up pipe from said air inlet 11 entering dust catchers, and said air outlet 12 is through filtering the final outlet of back air; In dust catcher, the air that gets into dust collection bag from air inlet 11 is discharged from said air outlet 12 through electric machine assembly 3 backs.

See also Fig. 2, Fig. 3, Fig. 4 and combine Fig. 1, said inner cover 2 comprises accommodating chamber 21, air-out passage 22 and HEPA receiving room 23.Said accommodating chamber 21 holds said electric machine assembly 3, and this accommodating chamber 21 is to have a connected entrance and a uncovered cavity structure by what roof and sidewall surrounded, and is concrete; Said sidewall is the general designation of all walls between accommodating chamber 21 upper surfaces and the lower surface; Lower surface is the position of inner cover 2 near ground, and said upper surface is and the lower surface facing surfaces, and is concrete; Said roof is provided with wears mouth 211; Said sidewall comprises the first side wall 212, second sidewall 213, the 3rd sidewall 214 and the 4th sidewall 215, and said connected entrance is arranged on the 4th sidewall 215, and is said uncovered with to wear mouthfuls 211 relative.Air-out passage 22 is communicated with said air outlet 12, and the air that the connection here should be understood to from accommodating chamber 21 can pass through air-out passage 22 from air outlet 12 discharges.Said HEPA receiving room 23 is communicated with between accommodating chamber 21 and air-out passage 23 and with accommodating chamber 21 and air-out passage 23; In the embodiment that does not limit; Sidewall (the 4th sidewall 215) in said accommodating chamber 21 and the HEPA receiving room 23 shared said sidewalls; The 4th sidewall 215 is provided with connected entrance 2151, and it is that HEPA receiving room 23 is communicated with through said connected entrance 2151 with accommodating chamber 21 that said accommodating chamber 21 is communicated with HEPA receiving room 23.Same reason; It also is said air-out passage 23 and said HEPA receiving room 23 shared common walls that said HEPA receiving room 23 is communicated with air-out passage 23; This common wall is provided with the channel connection mouth, and said HEPA receiving room 23 is communicated with through this channel connection mouth with air-out passage 22.

Please continue to consult Fig. 2 and Fig. 5; Said electric machine assembly 3 comprises seat 31, motor 32 and motor soft seat 33 in the motor; Seat 31 has container cavity 311 in this motor; This container cavity 311 holds the part of said motor 32 and has first opening, this first opening and the said mouthful motor air inlet of 211 formation electric machine assemblies 3 of wearing.The sidewall 3111 of container cavity 311 is provided with second opening 312, and this second opening 312 is as the motor air outlet of electric machine assembly 3, and this motor air outlet is communicated with accommodating chamber 21.In the embodiment that does not limit, this motor air outlet towards back to HEPA assembly 4 (also can think) back to the 4th sidewall 25 of said HEPA receiving room 23.Seat 31 is interlocked and makes that seat 31 holds said motor 31 in motor soft seat 33 and the motor in said motor soft seat 33 and the said motor, and said motor soft seat 33 is integrated, and like this, that can avoid that high temperature gas flow brings screams, and further reduces noise.When seat 31 in the motor of electric machine assembly 3 and motor soft seat 33 adopt said structure and make the motor air outlet back to HEPA assembly 4; Air from air inlet 11 blows out from the motor air inlet process motor air outlet of electric machine assembly 3 and from the motor air outlet; Said air blows to the 4th sidewall 215 second relative sidewalls 213 and makes air get into air-out passage 22 with the passage that electric machine assembly 3 is surrounded through connected entrance 2151 from the first side wall 212 and the 3rd sidewall 214; Prolong the path of air motion, reduced noise.In the present embodiment, the machine shaft vertical ground of said electric machine assembly 3, said motor air inlet further from ground, like this, are more conducive to increase the path of air motion than motor air outlet, and, also created condition for design HEPA receiving room 23.

See also Fig. 6 and combine Fig. 2, said HEPA assembly 4 is existing parts, comprises HEPA frame 41 and HEPA lid 42 with HEPA paper.This HEPA assembly 4 inserts said HEPA receiving room 23, in the enforcement that does not limit, is that the HEPA frame 41 of the said HEPA of having paper inserts said HEPA receiving room 23.Said HEPA lid 42 is used for the said HEPA frame 41 of shutoff in said HEPA receiving room 23, in the embodiment that does not limit, in order to make said HEPA assembly 4 to change easily or to take out; The bottom of said shell 1 is provided with insertion groove 13; Said HEPA lid 42 is connected with insertion groove 13 detachables of shell 1, and it is when needs take out said HEPA assembly 4 that this detachable connects, and said HEPA lid 42 can make HEPA frame 41 expose and conveniently from 23 taking-ups of HEPA receiving room; In the time need not taking out HEPA assembly 4; HEPA lid 42 can be encapsulated in HEPA frame 41 in the said HEPA receiving room 23, in the embodiment that does not limit, connects in order to realize detachable; The two lateral walls 131 of the insertion groove 13 of said shell 1 is provided with conduit 1311; The relative both sides of said HEPA lid 42 are provided with slide rail 421, and when HEPA frame 41 was positioned at said HEPA receiving room 23, this HEPA lid 42 was slided and said HEPA frame is encapsulated in the said HEPA receiving room 23 along said conduit 1311 by guide rail 421; After HEPA lid 42 broke away from conduit 1311, said HEPA frame 41 can take out in said HEPA receiving room 23.

Said shell 1 has sealing, like this, and when the said inner cover 2 of this shell 1 parcel; Said both seals is said uncovered, like this, when said uncovered inserted said HEPA receiving room 23 by both seals and said HEPA assembly 4 after; Said accommodating chamber 21 just becomes confined space; The confined space here is construed as from air inlet 11 and the air in motor air inlet and motor air outlet entering accommodating chamber 21 and only can flows to HEPA receiving room 23 and by said HEPA assembly 4 filtrations, become confined space from said connected entrance 2151, can be so that sound wave repeatedly reflection in this confined space; Thereby, reach the purpose that reduces noise.Structure in view of above-mentioned seal cavity; Those skilled in the art can expect that also said seal cavity also can constitute like this, and said accommodating chamber 21 is the cavity structures with a connected entrance that surrounded by roof, sidewall and diapire; Sidewall in said HEPA receiving room 23 and the accommodating chamber 21 shared said sidewalls; This sidewall is provided with said connected entrance, and said HEPA receiving room 23 is communicated with through this connected entrance with accommodating chamber 21, after being provided with like this; Sound wave can change into heat energy in accommodating chamber 21, said seal cavity also can reach the purpose that reduces noise.

In sum, dust catcher of the present invention is provided with the HEPA receiving room 23 that is inserted with HEPA assembly 4 between air-out passage 22 and accommodating chamber 21; And this HEPA receiving room 23 is communicated with said air-out passage 22 and accommodating chamber 21, so, after HEPA assembly 4 can reach following effect: a, HEPA assembly air-flow is intercepted; The density of air-flow increases; Air-flow is in HEPA inter-module resilient depression repeatedly, and the sound wave energy of same frequency produces and disappears mutually, realizes damping; B, this process make and the chance that increases the friction acting between the air-flow realize the conversion of kinetic energy and heat energy to a greater extent; The HEPA paper of c, HEPA assembly can make the sound wave of the flat rate of part penetrate; Finally being converted into heat energy in accommodating chamber inside discharges with air-flow; In the process of above three aspect air-flows through the HEPA assembly; By the noise reduction of HEPA assembly, make the sound wave of air-out passage reduce, reach the purpose that reduces noise.And air-flow filters the back by HEPA paper refinement layering through air-out HEPA, is difficult for producing additional noise between the refinement uniform airflow.

Be communicated with according to above-mentioned HEPA receiving room 23 is arranged between accommodating chamber 21 and the air-out passage 22 and with accommodating chamber 21 and air-out passage 22; And in HEPA receiving room 23, insert in the HEPA assembly 4 and the principle of reduction noise; Said air-out passage 22 is not must be arranged on the inner cover 2 with accommodating chamber 21; So; The present invention can provide following dust catcher, and this dust catcher comprises the HEPA receiving room, this HEPA receiving room between said accommodating chamber and said air-out passage and with said accommodating chamber and said air-out channel connection; Said dust catcher also comprises the HEPA assembly that inserts said HEPA receiving room, and the air that gets into dust catcher is flowed to by accommodating chamber discharges from the air-out passage after the HEPA receiving room also filters through said HEPA assembly.

In the embodiment that does not limit; This dust catcher is a horizontal dust collector; Said dust catcher comprises electric machine assembly; This electric machine assembly is vertically placed in the said accommodating chamber and the motor air outlet of said electric machine assembly is communicated with accommodating chamber, the motor air inlet of said electric machine assembly than motor air outlet further from ground.

In the embodiment that does not limit; Said accommodating chamber is the cavity structure with a connected entrance that is surrounded by roof, sidewall and diapire; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber; Said connected entrance is set on this sidewall; Said HEPA receiving room and air-out passage have common common wall, and said common wall is provided with the channel connection mouth, said HEPA receiving room and accommodating chamber and air-out channel connection be said HEPA receiving room through said connected entrance corresponding with the channel connection mouth with accommodating chamber and air-out channel connection.

In the embodiment that does not limit; Said accommodating chamber is to have a connected entrance and a uncovered cavity structure by what roof and sidewall surrounded; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber is provided with said connected entrance on this sidewall, said HEPA receiving room and said air-out passage have common common wall; Said common wall is provided with the channel connection mouth; Said HEPA receiving room and accommodating chamber and air-out channel connection be said HEPA receiving room through said connected entrance corresponding with the channel connection mouth with accommodating chamber and air-out channel connection, said dust catcher also comprises shell, this shell has and seals uncovered sealing.

The above is merely preferred embodiment of the present invention, so can not limit protection scope of the present invention with this, any equivalent variations and modification that technical scheme of the present invention is done all should belong to the scope that circle claim of the present invention is contained.

Claims

1. quiet dust catcher; It comprises inner cover, electric machine assembly; This inner cover has accommodating chamber and the air-out passage that holds said electric machine assembly; Said electric machine assembly comprises motor air inlet and the motor air outlet that is communicated with said accommodating chamber; It is characterized in that: said inner cover also is provided with the HEPA receiving room, said HEPA receiving room between said accommodating chamber and said air-out passage and with said accommodating chamber and said air-out channel connection, said dust catcher also comprises the HEPA assembly that inserts said HEPA receiving room.

2. quiet dust catcher as claimed in claim 1; It is characterized in that: said dust catcher also comprises shell; Shell is provided with the insertion groove that runs through this outer casing bottom, and this insertion groove is communicated with said HEPA receiving room, and said HEPA assembly comprises support and the end cap with HEPA paper; It specifically is that said support is positioned at said HEPA receiving room that said HEPA assembly inserts said HEPA receiving room, and said end cap is connected with said insertion groove detachable.

3. quiet dust catcher as claimed in claim 2; It is characterized in that: the two lateral walls of said insertion groove is provided with conduit; The relative both sides of said end cap are provided with slide rail, said end cap be connected with said insertion groove detachable comprise said slide rail along said conduit move or said slide rail break away from said conduit.

4. quiet dust catcher as claimed in claim 1 is characterized in that: said dust catcher is a horizontal dust collector, and the machine shaft of said electric machine assembly is perpendicular to ground, said motor air inlet than motor air outlet further from ground.

5. like any one described quiet dust catcher of claim 1 to 4; It is characterized in that: said accommodating chamber is the cavity structure with a connected entrance that is surrounded by roof, sidewall and diapire; Said motor air inlet is arranged on the roof; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber is provided with said connected entrance on this sidewall, it is that this accommodating chamber is communicated with the HEPA receiving room through this connected entrance that said accommodating chamber is communicated with the HEPA receiving room.

6. like any one described quiet dust catcher of claim 1 to 4; It is characterized in that: said accommodating chamber is to have a connected entrance and a uncovered cavity structure by what roof and sidewall surrounded; Said motor air inlet is arranged on the roof; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber is provided with said connected entrance on this sidewall, it is that this HEPA receiving room is communicated with through said connected entrance with accommodating chamber that said accommodating chamber is communicated with the HEPA receiving room; Said dust catcher also comprises shell, and this shell has the uncovered sealing of sealing.

7. quiet dust catcher; It comprises electric machine assembly and the accommodating chamber and the air-out passage that are used to accommodate said electric machine assembly; It is characterized in that: further comprising the HEPA receiving room; This HEPA receiving room between said accommodating chamber and said air-out passage and with said accommodating chamber and said air-out channel connection; Said dust catcher also comprises the HEPA assembly that inserts said HEPA receiving room, and the air that gets into dust catcher is flowed to by accommodating chamber discharges from the air-out passage after the HEPA receiving room also filters through said HEPA assembly.

8. quiet dust catcher as claimed in claim 7; It is characterized in that: this dust catcher is a horizontal dust collector; Said electric machine assembly is vertically placed in the said accommodating chamber and the motor air outlet of said electric machine assembly is communicated with accommodating chamber, the motor air inlet of said electric machine assembly than motor air outlet further from ground.

9. like claim 7 or 8 described quiet dust catchers; It is characterized in that: said accommodating chamber is the cavity structure with a connected entrance that is surrounded by roof, sidewall and diapire; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber; Said connected entrance is set on this sidewall; Said HEPA receiving room and air-out passage have common common wall, and said common wall is provided with the channel connection mouth, said HEPA receiving room and accommodating chamber and air-out channel connection be said HEPA receiving room through said connected entrance corresponding with the channel connection mouth with accommodating chamber and air-out channel connection.

10. like claim 7 or 8 described quiet dust catchers; It is characterized in that: said accommodating chamber is to have a connected entrance and a uncovered cavity structure by what roof and sidewall surrounded; Sidewall in the shared said sidewall of said HEPA receiving room and accommodating chamber; Said connected entrance is set on this sidewall; Said HEPA receiving room and said air-out passage have common common wall, and said common wall is provided with the channel connection mouth, said HEPA receiving room and accommodating chamber and air-out channel connection be said HEPA receiving room through said connected entrance corresponding with the channel connection mouth with accommodating chamber and air-out channel connection; Said dust catcher also comprises shell, and this shell has the uncovered sealing of sealing.