CN205895533U - Electric automobile air compressor admits air and filters silencer - Google Patents

Electric automobile air compressor admits air and filters silencer Download PDF

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Publication number
CN205895533U
CN205895533U CN201620785880.2U CN201620785880U CN205895533U CN 205895533 U CN205895533 U CN 205895533U CN 201620785880 U CN201620785880 U CN 201620785880U CN 205895533 U CN205895533 U CN 205895533U
Authority
CN
China
Prior art keywords
noise elimination
air
silencer
filter
chamber
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
CN201620785880.2U
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Chinese (zh)
Inventor
原和平
刘铭刚
王裕仁
王善江
李申建
俞旭辉
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.)
Ningbo Tianfeng Automobile Air Compressor Co. Ltd.
Original Assignee
FENGHUA TIANFENG AUTOMOBILE AIR COMPRESSOR Co Ltd
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 FENGHUA TIANFENG AUTOMOBILE AIR COMPRESSOR Co Ltd filed Critical FENGHUA TIANFENG AUTOMOBILE AIR COMPRESSOR Co Ltd
Priority to CN201620785880.2U priority Critical patent/CN205895533U/en
Application granted granted Critical
Publication of CN205895533U publication Critical patent/CN205895533U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an air intake muffler is an electric automobile air compressor admits air and filters silencer, and it includes casing, air filter, silencer, and its design point lies in that the partition of casing inner chamber forms filter chamber and noise elimination chamber, and the casing corresponds the filter chamber and is equipped with the end cover that is used for spacing air filter, is detachably connected between end cover and the casing, and the casing outside is equipped with the air inlet piping who switches on the air filter air inlet, formation one -level noise elimination chamber, second grade noise elimination chamber are separated to the noise elimination chamber, and one -level noise elimination chamber communicates with each other through empty chimney filter spare with the interior air filter's of filter chamber gas outlet, communicates with each other the external takeover of giving vent to anger that switches on second grade noise elimination chamber of housing end surface between one -level noise elimination chamber and the second grade noise elimination chamber through the noise elimination pipe fitting. The utility model discloses a combine as an organic wholely with the part of eliminating the noise filter portion to practice thrift installation space between them, reduce manufacturing cost, and adopt multistage noise elimination design, thereby be favorable to improving noise suppression effect.

Description

Electric automobile air-inlet filtering silencer for air compressor
Technical field
The utility model is related to intake muffler, especially a kind of electronic vapour for electric automobile air compressor air inlet Car air-inlet filtering silencer for air compressor.
Background technology
The noise source of air compressor is particularly evident essentially from intake and exhaust, wherein inflow noise, prior art be directed to into The scheme that gas noise is taken mainly is to increase filter and silencer, and filter plays the effect to air-filtering, silencer Play the effect of noise reduction sound-deadening.But in prior art, using being provided separately more than filter and silencer, for large-scale air pressure For contracting machine, the installing space of filter and silencer is sufficient, therefore both are respectively provided with impact less;But for small-sized air For compressor, air compressor for example used for electric vehicle, its overall volume is less, if divided with silencer using filter Open up and put, overall volume certainly will be affected, be unfavorable for installing, and in the case that installing space is limited, silencer also should not design Greatly, thus soundproof effect is not good enough.For this reason, needing the existing filter being applied to mini air compressor and silencer are changed Enter.
Content of the invention
For overcoming above-mentioned deficiency, the purpose of this utility model is to provide a kind of electric automobile air compressor to enter to this area Gas filtering silencer so as to solve existing like product volume larger, the technical problem that soundproof effect is not good enough.Its objective is to pass through Following technical scheme is realized.
This electric automobile air-inlet filtering silencer for air compressor includes housing, air filtering core, silencer, its structural feature It is that described housing cavity is separated to form filter chamber and noise elimination cavity, the corresponding filter chamber of housing is provided with for spacing described air filtering core End cap, be connected for detachable between end cap and housing, hull outside is provided with the air inlet tube of conducting air filter core air inlet;Institute State noise elimination cavity and be separated to form one-level noise elimination cavity, two grades of noise elimination cavities, one-level noise elimination cavity and the giving vent to anger of air filtering core in described filter chamber Mouth is communicated by air filter pipe fitting, is communicated by noise elimination pipe fitting, housing end face is external to lead between one-level noise elimination cavity and two grades of noise elimination cavities The outgoing gas connection tube of logical two grades of noise elimination cavities.Said structure, by filtration fraction is combined as a whole with muffling part, thus save two The installing space of person, reduces manufacturing cost, and using multistage design of eliminating the noise, thus being conducive to improving soundproof effect.
Described one-level noise elimination cavity constitutes one-level silencer with described air filter pipe fitting, and its divergence ratio is 29;Described noise elimination pipe fitting It is 27 with the divergence ratio of one-level noise elimination cavity, two grades of noise elimination cavities;Described two grades of noise elimination cavities constitute two grades with described outgoing gas connection tube and disappear Sound device, its divergence ratio is 29.Divergence ratio refers to the area ratio between the section of pipe fitting and the section of expansion cavity, concrete by this Noise elimination parameter designing, be conducive to reaching preferably soundproof effect.
Pass through butterfly nut between described end cap and housing to fasten with bolt connection, and setting sealing between end cap and housing Part forms sealing.By this structure, end cap is facilitated to dismantle, thus facilitating the replacing of air filtering core to safeguard.
Described housing is long tubular, and described filter chamber, one-level noise elimination cavity, two grades of noise elimination cavities are straight to arrangement.By this knot Structure, unobstructed to ensure air inlet, be conducive to eliminating the noise.
Described connecting pipe, one-level noise elimination cavity, noise elimination pipe fitting, two grades of noise elimination cavities, outgoing gas connection tubes constitute muffler, should Electric automobile air-inlet filtering silencer for air compressor is provided with least one set muffler.According to actual needs, by setting Multigroup muffler is to improve soundproof effect.
Being communicated by three noise elimination pipe fittings being mutually 120 ° of angles between described one-level noise elimination cavity and two grades of noise elimination cavities, and The mouth of pipe of three noise elimination pipe fittings is not relative with the mouth of pipe of described air filter pipe fitting, outgoing gas connection tube.This structure, is conducive to improving effect of eliminating the noise Really.
The utility model is not only simple in structure, small volume, low cost of manufacture, and good muffling effect, easy to install, fits Cooperate as all kinds of air compressors, especially the filtering noise elimination use of automobile air compressor.
Brief description
Fig. 1 is internal structure schematic diagram of the present utility model, and in figure has made a-a section view.
Fig. 2 is the a-a cross section structure diagram of Fig. 1.
In figure sequence number and entitled: 1, housing, 2, end cap, 3, butterfly nut, 4, air filtering core, 5, air inlet tube, 6, empty Chimney filter part, 7, one-level noise elimination cavity, 8, noise elimination pipe fitting, 9, two grades of noise elimination cavities, 10, outgoing gas connection tube.
Specific embodiment
In conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1 and Figure 2, this electric automobile air-inlet filtering silencer for air compressor is by filtration fraction and noise elimination portion Divide and be combined as a whole, its concrete structure is: include being separated to form left and right two chambers by dividing plate in a housing 1, housing, its , as filter chamber, right chamber is as noise elimination cavity for middle left chamber.In filter chamber, air filtering core 4 is installed, and the shell end of filter chamber is passed through Butterfly nut 3, bolt, seal connect end cap 2, by end cap, air filtering core are limited in filter chamber.Hull outside face sets There is the air inlet tube 5 communicating with the air inlet of air filtering core in filter chamber.In noise elimination cavity, one-level is separated to form again by dividing plate 7, two grades of noise elimination cavities 9 of noise elimination cavity.Dividing plate between above-mentioned filter chamber and noise elimination cavity be fixed with conducting air filter core gas outlet with The air filter pipe fitting 6 of one-level noise elimination cavity, the corresponding shell end of two grades of noise elimination cavities is fixedly connected outgoing gas connection tube 5, one-level noise elimination cavity with Dividing plate between two grades of noise elimination cavities is fixedly connected three noise elimination pipe fittings 8 being mutually 120 ° of angles, three noise elimination pipe fittings and above-mentioned sky Chimney filter part, outgoing gas connection tube the mouth of pipe not relatively, and three noise elimination pipe fittings are be arranged in parallel with air filter pipe fitting, outgoing gas connection tube.Above-mentioned one Level noise elimination cavity and air filter pipe fitting constitute one-level silencer, and its divergence ratio is 29;Above-mentioned noise elimination pipe fitting and one-level noise elimination cavity, two grades disappear The divergence ratio of the operatic tunes is 27;Above-mentioned two grades of noise elimination cavities constitute secondary muffler with outgoing gas connection tube, and its divergence ratio is 29.Divergence ratio Refer to the area ratio between the section of pipe fitting and the section of expansion cavity, the bigger noise elimination of divergence ratio is better in theory, but is subject to structure Size limitation, general divergence ratio is less than or equal to 40.
Above-mentioned air filter pipe fitting of the present utility model, one-level noise elimination cavity, noise elimination pipe fitting, two grades of noise elimination cavities, outgoing gas connection tubes also may be used Constitute muffler, more preferable soundproof effect is reached by multigroup muffler in upright arrangement.
The utility model has filtering function and noise elimination function.Filtering function is: air enters filter chamber through air inlet tube Air filtering core, through air filtering core filter after air through air filter pipe fitting enter one-level noise elimination cavity, then through noise elimination pipe fitting enter two Level noise elimination cavity, finally enters compressor inlet by outgoing gas connection tube.Noise elimination function is: compressor inlet radiated noise is through giving vent to anger Adapter enters in two grades of noise elimination cavities, realizes air inlet radiated noise first time noise reduction;Again through three noise elimination pipe fittings, realize second Noise reduction;Enter the air filtering core in filter chamber after through one-level noise elimination cavity, air filter pipe fitting, realize third time noise reduction.Compressor enters After three noise elimination links of two grades of expansions, noise intensity substantially reduces gas port radiated noise.
Above content is intended to technological means of the present utility model is described, not limits technical scope of the present utility model.This With reference to existing, skilled person knows that general knowledge is done conspicuously improved to the utility model, also falls into guarantor of the present utility model altogether Within the scope of shield.

Claims (6)

1. a kind of electric automobile air-inlet filtering silencer for air compressor, it includes housing (1), air filtering core (4), silencer, It is characterized in that described housing (1) inner chamber is separated to form filter chamber and noise elimination cavity, the corresponding filter chamber of housing is provided with for spacing institute State the end cap (2) of air filtering core (4), be connected for detachable between end cap and housing, hull outside is provided with conducting air filter core and enters The air inlet tube (5) of gas port;Described noise elimination cavity is separated to form one-level noise elimination cavity (7), two grades of noise elimination cavities (9), one-level noise elimination cavity with In described filter chamber, the gas outlet of air filtering core is communicated by air filter pipe fitting (6), logical between one-level noise elimination cavity and two grades of noise elimination cavities Cross noise elimination pipe fitting (8) to communicate, the outgoing gas connection tube (10) of housing end face two grades of noise elimination cavities of external conducting.
2. electric automobile air-inlet filtering silencer for air compressor according to claim 1 is it is characterised in that described one-level Noise elimination cavity (7) constitutes one-level silencer with described air filter pipe fitting (6), and its divergence ratio is 29;Described noise elimination pipe fitting (8) is disappeared with one-level The operatic tunes (7), the divergence ratio of two grades of noise elimination cavities (9) are 27;Described two grades of noise elimination cavities constitute two grades with described outgoing gas connection tube (10) Silencer, its divergence ratio is 29.
3. electric automobile air-inlet filtering silencer for air compressor according to claim 1 is it is characterised in that described end cap (2) pass through butterfly nut (3) and housing (1) between to fasten with bolt connection, and between end cap and housing, setting seal is formed Sealing.
4. electric automobile air-inlet filtering silencer for air compressor according to claim 1 is it is characterised in that described housing (1) it is long tubular, described filter chamber, one-level noise elimination cavity (7), two grades of noise elimination cavities (9) are straight to arrangement.
5. electric automobile air-inlet filtering silencer for air compressor according to claim 1 is it is characterised in that described air filter Pipe fitting (6), one-level noise elimination cavity (7), noise elimination pipe fitting, two grades of noise elimination cavities (9), outgoing gas connection tubes (10) constitute muffler, this electricity Electrical automobile air-inlet filtering silencer for air compressor is provided with least one set muffler.
6. electric automobile air-inlet filtering silencer for air compressor according to claim 1 is it is characterised in that described one-level Communicated by three noise elimination pipe fittings (8) being mutually 120 ° of angles between noise elimination cavity (7) and two grades of noise elimination cavities (9), and three noise eliminations The mouth of pipe of pipe fitting is not relative with the mouth of pipe of described air filter pipe fitting (6), outgoing gas connection tube (10).
CN201620785880.2U 2016-07-21 2016-07-21 Electric automobile air compressor admits air and filters silencer Expired - Fee Related CN205895533U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620785880.2U CN205895533U (en) 2016-07-21 2016-07-21 Electric automobile air compressor admits air and filters silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620785880.2U CN205895533U (en) 2016-07-21 2016-07-21 Electric automobile air compressor admits air and filters silencer

Publications (1)

Publication Number Publication Date
CN205895533U true CN205895533U (en) 2017-01-18

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Family Applications (1)

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CN201620785880.2U Expired - Fee Related CN205895533U (en) 2016-07-21 2016-07-21 Electric automobile air compressor admits air and filters silencer

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725235A (en) * 2017-10-27 2018-02-23 艾珍机械设备制造(上海)有限公司 Straight barrel type admission air silencer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725235A (en) * 2017-10-27 2018-02-23 艾珍机械设备制造(上海)有限公司 Straight barrel type admission air silencer

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 3, Kai Cheng West Street, Shang Tian Town, Fenghua District, Ningbo, Zhejiang

Patentee after: Ningbo Tianfeng Automobile Air Compressor Co. Ltd.

Address before: 315511 Ningbo City, Fenghua province Shang Tian Town West Street, No. 3

Patentee before: Fenghua Tianfeng Automobile Air Compressor Co., Ltd.

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

Granted publication date: 20170118

Termination date: 20190721