CN204131295U - A kind of noise-decreasing device of compression pump motor - Google Patents
A kind of noise-decreasing device of compression pump motor Download PDFInfo
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- CN204131295U CN204131295U CN201420537506.1U CN201420537506U CN204131295U CN 204131295 U CN204131295 U CN 204131295U CN 201420537506 U CN201420537506 U CN 201420537506U CN 204131295 U CN204131295 U CN 204131295U
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- sidewall
- side wall
- noise
- compression pump
- air
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Abstract
The utility model provides a kind of noise-decreasing device of compression pump motor, comprise pedestal, described pedestal is also provided with casing, the inner chamber that one can be held motor is formed after described casing coordinates with described pedestal, described casing has the first side wall arranged in parallel and the second sidewall, and connect described the first side wall and described second sidewall and with the 3rd sidewall of described the first side wall or described second sidewalls orthogonal, the upper and lower of described the first side wall is provided with the shell air-vent of the described inner chamber of multiple connection and space outerpace, described second sidewall is provided with exhaust blower, described 3rd sidewall is provided with multiple through hole.High temperature air in inner chamber can be discharged by exhaust blower, under the effect of gas pressure, the air that external temperature is lower can enter inner chamber from air-vent, form the radiating airflow of a circulation, simultaneously, chamber air can also overflow from the through hole the 3rd sidewall, air-flow and micropore can produce to rub and resonate, and friction resonance can consume part acoustic energy.
Description
Technical field
The utility model relates to a kind of noise-decreasing device, especially a kind of noise-decreasing device that can be used for the compression pump motor making mist machine.
Background technology
Compression pump inevitably produces noise in the course of the work, and compression pump motor is exactly a main noise source.Noise all can produce great harmful effect to the environment of human body and surrounding greatly, along with the development of society, the requirement of people to noise abatement is more and more higher, because compression pump is widely used in making the various occasions such as mist machine, air conditioner, be therefore also necessary to solve the problem that in the compression pump course of work, noise is too large.
Chinese utility model patent ZL200520126737.4 discloses a kind of improved quiet air pump, comprise the motor as power set, compressor head, support, container body of outer cover, electric control gear, air silencer-filter, it is characterized in that the sound-insulation component layer on described container body of outer cover is made up of the noise reduction layer segment of internal layer and outer field back-up coat part, noise reduction layer segment wherein as internal layer is again successively by being positioned at the most inboard fine-celled foam noise reduction damping layer being densely covered with taper toy trumpet hole, the air layer being positioned at intermediate layer and the fine-celled foam noise reduction barrier layer being positioned at outside are composited.Although this Silent wind pump adopts fine-celled foam noise reduction barrier layer can play the effect of sound-insulation as sound-insulation assembly, because foamed material is not heat sink material, the radiating effect of the motor of this Silent wind pump may be affected.
In addition, the vibrations of compression pump motor and pipeline also can produce noise, for this problem, compression pump common in the market is generally solved by the mode of installing cushion pad in motor bottom, but noise reduction effect is also not obvious, the noise of this kind of compression pump is general still at about 70dB after tested, still has the space of improving further.
Utility model content
The purpose of this utility model is to provide a kind of noise-decreasing device effectively reducing the compression pump motor of motor noise when not affecting motor radiating effect.
To achieve these goals, the utility model adopts following technical scheme:
A kind of noise-decreasing device of compression pump motor, comprise pedestal, described pedestal is provided with the fixed axis for mounted motor, described fixed axis is provided with cushion pad, described pedestal is also provided with casing, the inner chamber that one can be held motor is formed after described casing coordinates with described pedestal, described casing has the first side wall arranged in parallel and the second sidewall, and connect described the first side wall and described second sidewall and with the 3rd sidewall of described the first side wall or described second sidewalls orthogonal, the upper and lower of described the first side wall is respectively arranged with the shell air-vent of the described inner chamber of multiple connection and space outerpace, described second sidewall is provided with exhaust blower, described 3rd sidewall is provided with the through hole that multiple diameter is 0.5mm-1.0mm, motor installs rear its rear end towards described the first side wall, front end is towards described second sidewall.
Adopt technique scheme, the heat produced during machine operation can make the air themperature in inner chamber increase, air higher for these temperature can be discharged inner chamber by exhaust blower, under the effect of gas pressure, the air that external temperature is lower can enter inner chamber from air-vent, form the radiating airflow of a circulation, the heat radiation of motor is unaffected, simultaneously, chamber air can also overflow from the through hole the 3rd sidewall, in overflow process, the hole wall of gas and through hole can produce to rub and resonate, and friction resonance can consume part acoustic energy, and then reaches the object of noise abatement.
Improve as one of the present utility model, the position near described the first side wall in described inner chamber is provided with the first dividing plate, and the centre position of described first dividing plate is provided with multiple dividing plate air-vent; Described inner chamber is provided with second partition near the position of described second sidewall, is separated with preset distance between the two ends of described second partition horizontal direction and described casing.By above-mentioned improvement, the flow direction of air in inner chamber can be changed, the heat enabling air-flow better take away motor to produce, simultaneously also easilier to overflow from through hole.
Improve as another kind of the present utility model, described second sidewall is also provided with buffering kettle, and described buffering kettle is connected with the pipeline of compression pump.Because compression pump motor and compression pump pipeline link together, by installing buffering kettle, can the effectively vibrations that produce of absorption pressure pump line road and noise, the minimizing vibrations of pipeline and noise are on the impact of motor.
As further improvement of the utility model, the punching rate of described through hole on described 3rd sidewall is 1%-3%.By above-mentioned improvement, air-flow is made more easily to produce friction resonance when overflowing through hole.
As further improvement of the utility model, the thickness of described 3rd sidewall is 0.8mm, and the diameter of described through hole is also 0.8mm.By above-mentioned improvement, raising air-flow produces the possibility of friction resonance when overflowing through hole further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the noise-decreasing device of the utility model compression pump motor;
Fig. 2 is the structural representation after the noise-decreasing device biopsy cavity marker devices of the utility model compression pump motor;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the noise-decreasing device of the utility model compression pump motor.
Indicate corresponding as follows in figure:
1-pedestal; 2-motor;
3-fixed axis; 4-cushion pad;
5-casing; 51-the first side wall;
52-second sidewall; 53-the 3rd sidewall;
54-shell air-vent; 55-exhaust blower;
6-first dividing plate; 61-dividing plate air-vent;
7-second partition; 8-cushions kettle.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1-Figure 3, the noise-decreasing device of the compression pump motor that the present embodiment provides, comprises pedestal 1, pedestal 1 is provided with the fixed axis 3 for mounted motor 2, and in the present embodiment, fixed axis 3 has four, and motor 2 is arranged on pedestal 1 by four fixed axis 3.
Fixed axis 3 is provided with cushion pad 4, cushion pad 4, between motor 2 and pedestal 1, can form cushioning effect, reduces the noise produced due to fuselage vibrations in motor 2 course of work.Cushion pad 4 is preferably rubber blanket or spring pad, can certainly be the cushion pad of other types.
Pedestal 1 is also provided with casing 5, casing 5 coordinates rear formation one can hold the inner chamber of motor 2 with pedestal 1, casing 5 has the first side wall 51 arranged in parallel and the second sidewall 52, and connect the first side wall 51 and the second sidewall 52, and three sidewall 53 vertical with the first side wall 51 or the second sidewall 52,3rd sidewall 53 has three, one of them be positioned at motor 2 top and and plane-parallel, two other lays respectively at the both sides of motor 2 and perpendicular with horizontal plane.3rd sidewall 53 is preferably the steel plate of 0.8mm.Gather at the present embodiment, three the 3rd sidewalls 53 are that integral type connects, the first side wall 51 and be detachable connection between the second sidewall 52 with the 3rd sidewall 53.
The upper and lower of the first side wall 51 is respectively arranged with the shell air-vent 54 of multiple communication with cavity and space outerpace, the centre position of certain the first side wall 51 also can be provided with shell air-vent 54, but in the present embodiment, the centre position of the first side wall 51 does not arrange shell air-vent 54.The diameter of shell air-vent 54 and magnitude setting can set according to actual needs; Second sidewall 52 is provided with exhaust blower 55; 3rd sidewall 53 is provided with the through hole (not shown) that multiple diameter is 0.5mm-1.0mm, the diameter of through hole is preferably 0.8mm, namely identical with the thickness of the 3rd sidewall.In the present embodiment, the punching rate of through hole on the 3rd sidewall 53 is 1%-3%.Punching rate herein refers within the scope of perforation field, and the gross area of perforation eyelet accounts for the percentage of whole area.
Motor 2 installs rear its rear end towards the first side wall 51, and front end, towards the second sidewall 52, it should be noted that, the front end of motor 2 refers to that motor 2 is extruded with one end of rotor portion herein, and the corresponding other end is the rear end of motor 2, and namely motor 2 is equipped with one end of fan.
Second sidewall 52 is also provided with buffering kettle 8, buffering kettle 8 is connected with the pipeline of compression pump, and buffering kettle is preferably arranged on the output channel of compression pump.Because motor 2 and compression pump pipeline link together, the vibrations of compression pump pipeline also can have an impact to motor 2 and increase the noise of motor 2.After buffering kettle 8 is installed, by installing buffering kettle 8, when compression pump is started shooting from compression pump highly pressurised liquid out through surge flask 8 time, fluid pressure moment is absorbed, make compression pump pipeline can obtain stable liquid stream and pressure, reduce vibrations during compression pump start, and then reduce the noise of motor.
During use, the heat produced when motor 2 works can make the air themperature in inner chamber increase, form high temperature air, high temperature air in inner chamber can be discharged to the outside space by exhaust blower 55, now because interior intracavity gas is discharged, air pressure effect under, the air that external temperature is lower can enter inner chamber from shell air-vent 54, thus form the radiating airflow of a circulation, simultaneously, chamber air can also overflow from the through hole the 3rd sidewall 53, in overflow process, the hole wall of gas and through hole can produce to rub and resonate, the process of friction resonance can consume part acoustic energy, and then reach the object of noise abatement.
In order to make, the air in inner chamber is easier to be overflowed and produces friction resonance from the through hole of the 3rd sidewall 53, the position of the present embodiment also near the first side wall 51 in inner chamber is provided with the first dividing plate 6, the centre position of the first dividing plate 6 is provided with multiple dividing plate air-vent 61, and the diameter of dividing plate air-vent 61 and magnitude setting also can be arranged according to actual needs; Also be provided with second partition 7 at inner chamber near the position of the second sidewall 52, be separated with preset distance between the two ends of second partition 7 horizontal direction and casing 5, concrete spacing distance can set according to actual needs, and such gas can pass through from the both sides of second partition 7.By arranging the first dividing plate 6 and second partition 7, the flow direction of air in inner chamber can be changed, making that gas is easier to be overflowed from through hole.
By reference to the accompanying drawings detailed description is done to the utility model above; but execution mode of the present utility model is not limited in above-mentioned execution mode; those skilled in the art can make various distortion to the utility model according to prior art; as also arranged air-vent etc. on second partition 7, these all belong to protection range of the present utility model.
Claims (5)
1. the noise-decreasing device of a compression pump motor, comprise pedestal, described pedestal is provided with the fixed axis for mounted motor, it is characterized in that, described fixed axis is provided with cushion pad, described pedestal is also provided with casing, the inner chamber that one can be held motor is formed after described casing coordinates with described pedestal, described casing has the first side wall arranged in parallel and the second sidewall, and connect described the first side wall and described second sidewall and with the 3rd sidewall of described the first side wall or described second sidewalls orthogonal, the upper and lower of described the first side wall is respectively arranged with the shell air-vent of the described inner chamber of multiple connection and space outerpace, described second sidewall is provided with exhaust blower, described 3rd sidewall is provided with the through hole that multiple diameter is 0.5mm-1.0mm, motor installs rear its rear end towards described the first side wall, front end is towards described second sidewall.
2. the noise-decreasing device of compression pump motor as claimed in claim 1, is characterized in that, the position near described the first side wall in described inner chamber is provided with the first dividing plate, and the centre position of described first dividing plate is provided with multiple dividing plate air-vent; Described inner chamber is provided with second partition near the position of described second sidewall, is separated with preset distance between the two ends of described second partition horizontal direction and described casing.
3. the noise-decreasing device of compression pump motor as claimed in claim 2, it is characterized in that, described second sidewall is also provided with buffering kettle, and described buffering kettle is connected with the pipeline of compression pump.
4. the noise-decreasing device of the compression pump motor as described in claim arbitrary in claim 1-3, is characterized in that, the punching rate of described through hole on described 3rd sidewall is 1%-3%.
5. the noise-decreasing device of the compression pump motor as described in claim arbitrary in claim 1-3, is characterized in that, the thickness of described 3rd sidewall is 0.8mm, and the diameter of described through hole is also 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537506.1U CN204131295U (en) | 2014-09-18 | 2014-09-18 | A kind of noise-decreasing device of compression pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537506.1U CN204131295U (en) | 2014-09-18 | 2014-09-18 | A kind of noise-decreasing device of compression pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131295U true CN204131295U (en) | 2015-01-28 |
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ID=52387616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537506.1U Expired - Fee Related CN204131295U (en) | 2014-09-18 | 2014-09-18 | A kind of noise-decreasing device of compression pump motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN204131295U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680612A (en) * | 2016-04-18 | 2016-06-15 | 江苏华源防爆电机有限公司 | New energy automobile low-noise permanent magnet motor |
| CN114094757A (en) * | 2021-12-06 | 2022-02-25 | 中国船舶科学研究中心 | Air bed underwater motor sound arrester |
| US20220265057A1 (en) * | 2019-10-22 | 2022-08-25 | Shenzhen Glamour Technology Co., Ltd | Silent air pump box and intelligent adjustment mattress |
-
2014
- 2014-09-18 CN CN201420537506.1U patent/CN204131295U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680612A (en) * | 2016-04-18 | 2016-06-15 | 江苏华源防爆电机有限公司 | New energy automobile low-noise permanent magnet motor |
| CN105680612B (en) * | 2016-04-18 | 2017-12-29 | 江苏华源防爆电机有限公司 | New-energy automobile low noise magneto |
| US20220265057A1 (en) * | 2019-10-22 | 2022-08-25 | Shenzhen Glamour Technology Co., Ltd | Silent air pump box and intelligent adjustment mattress |
| US11998117B2 (en) * | 2019-10-22 | 2024-06-04 | Shenzhen Glamour Technology Co., Ltd | Silent air pump box and intelligent adjustment mattress |
| CN114094757A (en) * | 2021-12-06 | 2022-02-25 | 中国船舶科学研究中心 | Air bed underwater motor sound arrester |
| CN114094757B (en) * | 2021-12-06 | 2022-10-28 | 中国船舶科学研究中心 | Air layer underwater motor sound insulation device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200320 Granted publication date: 20150128 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210908 Granted publication date: 20150128 |
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| 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: 20150128 Termination date: 20210918 |