CN214274066U - Silencer, water pump assembly and heating device - Google Patents
Silencer, water pump assembly and heating device Download PDFInfo
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- CN214274066U CN214274066U CN202120274184.6U CN202120274184U CN214274066U CN 214274066 U CN214274066 U CN 214274066U CN 202120274184 U CN202120274184 U CN 202120274184U CN 214274066 U CN214274066 U CN 214274066U
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- water
- water outlet
- muffler
- water pump
- wall
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Abstract
The utility model discloses a silencer, water pump assembly and heating device. The silencer comprises a shell and a water inlet pipe, wherein the shell of the silencer is provided with a silencing cavity and a water outlet, and the water outlet is communicated with the silencing cavity; the water inlet pipe penetrates through the shell wall of the shell and extends into the silencing cavity, the water inlet pipe comprises a water outlet section extending into the silencing cavity, a plurality of water outlet holes are formed in the pipe wall of the water outlet section, and the water inlet pipe is used for being connected with the outlet end of the water pump. The utility model discloses technical scheme can reduce the noise that the water pump produced.
Description
Technical Field
The utility model relates to a domestic water supply technical field, in particular to silencer, water pump assembly and heating device.
Background
In the field of water heaters, water pumps used in the industry are basically direct-current water pumps with high lift and good performance due to the influence of pipeline environments, but because the rotating speed of the direct-current water pumps is high, the frequency generated by vibration and water pressure pulsation of water outlets of the water pumps during working is overlapped with the resonance frequency of equipment, and the water pumps generate noise. The noise generated by the water pump is often used for reducing noise and eliminating noise: optimizing water pump blades or reducing water pump speed, but reducing noise while sacrificing water pump performance. Therefore, while maintaining the performance of the water pump, the way of reducing the noise of the water pump needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a silencer aims at making an uproar amortization of falling to the water pump.
In order to achieve the above object, the present invention provides a muffler for a water pump. The silencer comprises a shell and a water inlet pipe, wherein the shell is provided with a silencing cavity and a water outlet, the water outlet is communicated with the silencing cavity, and the water inlet pipe penetrates through the wall of the shell and extends into the silencing cavity; the water inlet pipe comprises a water outlet section extending into the silencing cavity, and the pipe wall of the water outlet section is provided with a plurality of water outlet holes; the water inlet pipe is used for being connected with the outlet end of the water pump.
Optionally, the water outlet section comprises a side pipe wall and an end pipe wall, and the plurality of water outlet holes are formed in the side pipe wall; or the water outlet section is provided with a pipe orifice, and the water inlet pipe also comprises a sealing cover for sealing the pipe orifice of the water outlet section.
Optionally, the water outlet section is a bellows.
Optionally, the housing further has a mounting opening through which the water inlet pipe extends into the sound-deadening chamber.
Optionally, the water outlet and the mounting port are respectively arranged at two ends of the housing.
Optionally, the housing comprises a side housing wall and first and second end housing walls respectively provided at opposite ends of the side housing wall, the water outlet is provided in the first end housing wall, and the mounting port is provided in the second end housing wall.
Optionally, the outer casing further comprises an installation interface connected to the periphery of the installation interface, and the outer circumferential surface of the water inlet pipe is in sealing connection with the inner wall surface of the installation interface.
Optionally, the cross-sectional area of the water outlet section is smaller than the cross-sectional area of the sound-deadening chamber.
Optionally, the diameter or equivalent diameter of the sound-deadening chamber is greater than or equal to 30 mm and less than or equal to 100 mm; and/or the diameter or equivalent diameter of the water outlet section is greater than or equal to 10 mm and less than or equal to 16 mm.
Optionally, the diameter or equivalent diameter of the water outlet hole is greater than or equal to 2 mm and less than or equal to 6 mm.
Optionally, the muffler further comprises sound dampening disposed in the sound dampening chamber.
Optionally, the sound dampening damping comprises an aqueous damping paint covering the surface of the water outlet section.
The utility model also provides a water pump assembly, this water pump assembly include the water pump with the silencer.
The utility model discloses still provide a heating device, this heating device includes water pump assembly.
Optionally, the heating device is a water heater or a wall-hanging stove.
The utility model discloses in, can locate the play water end of water pump with the silencer, in order to utilize a plurality of apopores on amortization chamber and the inlet tube, the water pressure pulsation frequency of the higher frequency channel of the water of absorption water pump income amortization intracavity to reduce the noise frequency that the water pump produced, overlap with heating device's resonance frequency with avoiding taking place resonance, thereby can reduce the noise of water pump and heating device during operation.
Moreover, noise is reduced by arranging the silencer at the water outlet end of the water pump, and noise reduction can be realized without optimizing water pump blades or reducing the rotating speed of the water pump, so that vibration reduction can be realized on the premise of ensuring or improving the performance of the water pump.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of the muffler of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the muffler of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the muffler of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the heating device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1000 | |
16 | Second |
| 100 | |
20 | |
| 10 | |
21 | |
| 11 | |
211 | |
| 12 | |
212 | |
| 121 | |
213 | |
| 13 | |
30 | |
| 131 | |
200 | |
| 14 | |
300 | |
| 15 | First end shell wall |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a silencer, which is used for a water pump to form a water pump component, the water pump component is used for a heating device, and the heating device can be selected as a water heater (such as a gas water heater, an electric water heater and the like) or a wall-mounted furnace (such as a gas wall-mounted furnace and the like); the following description will be made taking a gas water heater as an example.
In the embodiment of the present invention, as shown in fig. 1, the muffler 100 includes a housing 10 and a water inlet pipe 20, the housing 10 has a silencing cavity 11 and a water outlet 13, and the water outlet 13 is communicated with the silencing cavity 11; the water inlet pipe 20 penetrates through the wall of the housing 10 and extends into the muffling chamber 11, the water inlet pipe 20 comprises a water outlet section 21 extending into the muffling chamber 11, and a plurality of water outlet holes 211 are formed in the wall of the water outlet section 21, so that the water inlet pipe 20 is communicated with the muffling chamber 11 through the water outlet holes 211; the water inlet pipe 20 is used for being connected with the outlet end of the water pump.
Specifically, the cross-sectional area of the water outlet section 21 is smaller than the cross-sectional area of the sound-deadening chamber 11.
Specifically, as shown in fig. 4, the water inlet of the water inlet pipe 20 is connected to the outlet of the water pump 200, so that the water pump 200 is communicated with the sound-deadening chamber 11 through the water inlet pipe 20.
When the muffler 100 and the water pump 200 (i.e., the water pump assembly) used in cooperation therewith are applied to a gas water heater including the heat exchanger 300, the water pump assembly may be disposed on the water inlet side or the water outlet side of the heat exchanger 300, and the following description will be given by taking the water inlet side as an example.
Specifically, referring to fig. 4, the water pump 200 is disposed between a cold water inlet of the heating device and the heat exchanger 300, the muffler 100 is disposed between the water pump 200 and the heat exchanger 300, an outlet end of the water pump 200 is connected to a water inlet of the water inlet pipe 20, and a water outlet 13 of the housing 10 is connected to the heat exchanger 300.
When the water-saving heat exchanger works, water pumped by the water pump 200 enters the silencing cavity 11 through the water outlet hole 211 on the water inlet pipe 20 and flows to the heat exchanger through the water outlet 13 communicated with the silencing cavity 11. When pumped water enters the silencing cavity 11 through the water outlet hole 211, on one hand, silencing can be realized due to the change of the flow channel, on the other hand, the water outlet hole 211 can disperse impact water flow, so that the water flow passing through the water outlet hole 211 reaches a widened silencing frequency section, thereby realizing the absorption of the water pressure pulsation frequency of a higher frequency section pumped by the water pump 200, further reducing the vibration frequency of noise generated by the water pump 200, avoiding the overlapping of the vibration frequency of the water pump and the resonance frequency of the heating device, avoiding resonance, and further reducing the noise generated when the water pump 200 and the heating device work.
In this embodiment, the heating device is a gas water heater, which is usually a thin-walled shell structure, and the spatial structure characteristics of the combustion chamber of the heat exchanger thereof lead to the resonance frequency of the gas water heater being distributed at 500 to 1000 hertz (Hz), and by arranging the silencer 100 at the water outlet side of the water pump 200, the water pumped by the water pump 200 can absorb the noise of the 500 to 1000Hz vibration frequency section after passing through the silencer 100, so that the noise transmitted to the heat exchanger 300 is reduced, thereby avoiding the occurrence of resonance, and achieving the effect of reducing the noise.
The utility model discloses an in the test, to the pump of lift between 10 meters to 15 meters, through set up silencer 100 at its play water side, can reduce the noise that its work brought to below 45dB (A) to effectual improvement use experience, do not sacrifice water pump 200 performance simultaneously again.
The utility model discloses in, can locate water pump 200's play water end with silencer 100, in order to utilize a plurality of apopores 211 on the amortization chamber 11 and the inlet tube 20 absorb the higher frequency section water pressure pulsation frequency of the water of water pump 200 pump income amortization intracavity 11 to reduce the noise frequency that water pump 200 produced, overlap with heating device's resonance frequency in order to avoid taking place resonance, thereby can reduce the noise of water pump 200 and heating device during operation.
Moreover, noise is reduced by arranging the silencer 100 at the water outlet end of the water pump 200, and noise reduction can be realized without optimizing water pump blades or reducing the rotating speed of the water pump, so that vibration reduction can be realized on the premise of ensuring or improving the performance of the water pump.
Moreover, the utility model discloses silencer 100, simple structure, processing is convenient, and it is less to use the inner space that occupies the complete machine when gas heater.
In addition, when the muffler 100 and the water pump 200 (i.e., the water pump assembly) used in cooperation therewith are applied to a gas water heater, the muffler 100 can be directly fixed (e.g., welded, etc.) to the water tank of the gas water heater.
Specifically, the ratio of the cross-sectional area of the water outlet section 21 to the cross-sectional area of the sound-deadening chamber 11 is smaller than 3/4, such as 2/3, 3/5, 1/2, 2/5, 1/3, 1/4, 1/5, or 1/6.
Further, as shown in fig. 1, the water outlet section 21 includes a side tube wall 212 and an end tube wall 213, and the plurality of water outlet holes 211 are disposed on the side tube wall 212.
Thus, by providing the end pipe wall 213 at the end of the water outlet section 21, the end of the water outlet section 21 can be sealed, so that the water in the water outlet section 21 can only flow out from the water outlet holes 211 on the side pipe wall 212, and the water entering the water outlet section 21 can be turned to enhance the noise reduction effect.
Of course, in other embodiments, the outlet section 21 can be provided in other forms, such as providing the outlet section 21 with a nozzle, and the inlet tube 20 further includes a sealing cover for sealing the nozzle of the outlet section 21; as another example, water outlet holes may be formed in the end pipe wall 213.
Further, the water outlet section 21 is a corrugated pipe. In this way, the noise generated by the water flow impacting the water outlet section 21 can be reduced.
Of course, in other embodiments, the water outlet section 21 may have other shapes, such as a circular tube of the water outlet section 21.
Further, as shown in fig. 1, the housing 10 further has a mounting opening 12 and a water outlet 13, and the water inlet pipe 20 extends into the sound-deadening chamber 11 through the mounting opening 12.
Specifically, as shown in fig. 2, the water inlet pipe 20 is hermetically installed at the installation opening 12.
In this manner, the inlet tube 20 can be assembled with the housing 10 through the mounting port 12.
Of course, in other embodiments, the water inlet pipe 20 may be integrally formed with the housing 10.
Further, the water outlet 13 and the mounting port 12 are respectively disposed at two ends of the housing 10. In this manner, it is possible to facilitate the installation of the sound-deadening chamber 11 between the water pump 200 and the heat exchanger 300.
Further, as shown in fig. 1, the housing 10 further includes a side housing wall 14, and a first end housing wall 15 and a second end housing wall 16 respectively disposed at two ends of the side housing wall 14, the water outlet 13 is disposed at the first end housing wall 15, and the mounting port 12 is disposed at the second end housing wall 16.
In particular, the side casing wall 14 is a cylindrical or polygonal casing or the like.
Specifically, the end casing wall is plate-shaped, or the end casing wall is tapered in a direction away from the side casing wall 14, or the end casing wall is recessed into the sound-deadening chamber 11, and so on.
Further, as shown in fig. 1, the housing 10 further includes a mounting port 121 connected to a periphery of the mounting port 12, and an outer circumferential surface of the water inlet pipe 20 is in sealing connection with an inner wall surface of the mounting port 121.
In this way, by providing the mounting interface 121 to be connected to the water inlet pipe 20, the connection area between the housing 10 and the water inlet pipe 20 can be increased to enhance the sealing performance and the connection strength between the housing and the water inlet pipe.
Optionally, the water inlet pipe 20 is welded to the installation interface 121, or the water inlet pipe 20 is connected to the installation interface 121 in a watertight manner by a sealant.
Further, as shown in fig. 1, the housing 10 further includes a water outlet port 131 connected to a periphery of the water outlet 13. In this manner, the water pipe connection between the housing 10 and the heat exchanger 300 is facilitated.
Further, the diameter or equivalent diameter of the sound-deadening chamber 11 is greater than or equal to 30 mm and less than or equal to 100 mm, such as 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, 90 mm, or 95 mm.
It will be appreciated that the larger the diameter or equivalent diameter of the sound-deadening chamber 11, the better the sound-deadening effect, but the greater its volume.
Further, the length of the sound-deadening chamber 11 is greater than or equal to 20 mm and less than or equal to 210 mm. Such as 30 mm, 50 mm, 70 mm, 90 mm, 120 mm, 150 mm, 180 mm, 200 mm, etc.
In this embodiment, the diameter of the sound-deadening chamber 11 is 40 mm, the length thereof is 70 mm, and after the water pumped by the water pump passes through the sound-deadening device 100, the noise of the vibration frequency range of 500-1000 Hz can be eliminated, so that the noise transmitted to the heat exchanger is reduced.
Optionally, the diameter or equivalent diameter of the water outlet hole 211 is greater than or equal to 2 mm, and less than or equal to 6 mm, such as 2 mm, 3 mm, 4 mm, 5 mm, or 6 mm.
Further, as shown in fig. 1, the diameter or equivalent diameter of the inlet tube 20 is sized to match the mounting interface 121.
Specifically, the diameter or equivalent diameter of the water inlet pipe 20 is greater than or equal to 10 mm and less than or equal to 16 mm, such as 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm or 16 mm.
It will be understood that the sound-deadening effect of the muffler 100 is related to the diameters or equivalent diameters of the sound-deadening chamber 11, the water outlet section 21 and the water outlet hole 211, and that the diameters or equivalent diameters of the sound-deadening chamber 11, the water outlet section 21 and the water outlet hole 211 can be selected according to the sound-deadening needs (for example, different sizes of heating devices having different resonance frequencies, i.e., different sound-deadening needs) in a specific application.
Further, as shown in fig. 1, the water outlet holes 211 are regularly distributed, such as evenly distributed, on the water outlet section 21.
Optionally, a plurality of the water outlet holes 211 are arranged in a plurality of rows in the circumferential direction of the water outlet section 21, and each row has a plurality of water outlet holes 211. For example, 3, 4, 5 or 6 columns may be taken.
Of course, a plurality of said outlet holes 211 may be distributed irregularly on the outlet section 21.
Specifically, the utility model discloses do not restrict the material of muffler 100, it can use different materials to make. If the water inlet pipe 20 and the housing 10 are made of copper pipes, they can be made of plastic, etc.
In another embodiment of the present invention, the difference is that, as shown in fig. 3, the muffler 100 further includes a sound damping 30 disposed in the sound-deadening chamber 11. In this manner, the noise reduction damper 30 may be utilized to further reduce noise.
In this embodiment, the sound-deadening damper 30 comprises an aqueous damping paint covering the surface of the water outlet section 21, and/or the sound-deadening damper 30 comprises sound-deadening cotton or particles filled in the sound-deadening chamber 11.
It should be noted that when the silencing particles are used for silencing, a filter screen may be disposed at the water outlet 13 to prevent the silencing particles from flowing out.
The utility model discloses still provide a water pump assembly, refer to figure 4, this water pump assembly includes silencer 100 and water pump 200, silencer 100 install in water pump 200's play water end. The concrete structure of the muffler 100 refers to the above embodiments, and since the water pump assembly adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Wherein, the water outlet end of the water pump 200 is connected with the water inlet pipe 20 of the muffler 100.
The utility model discloses still provide a heating device, refer to fig. 4, this heating device include heat exchanger 300 with water pump assembly, water pump assembly locates heat exchanger 300's the side of intaking or play water side. The specific structure of the water pump assembly refers to the above embodiments, and since the heating device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Optionally, the water pump assembly is disposed on a water inlet side of the heat exchanger 300, specifically, the water pump 200 is disposed between a cold water inlet of the heating device and the heat exchanger 300, the muffler 100 is disposed between the water pump 200 and the heat exchanger 300, an outlet end of the water pump 200 is connected to a water inlet of the water inlet pipe 20, and a water outlet 13 of the housing 10 is connected to the heat exchanger.
Optionally, the heating device is a water heater (such as a gas water heater or an electric water heater) or a wall-hanging stove (such as a gas wall-hanging stove).
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (14)
1. A muffler for a water pump, the muffler comprising:
the shell is provided with a silencing cavity and a water outlet, and the water outlet is communicated with the silencing cavity;
the water inlet pipe penetrates through the wall of the shell and extends into the silencing cavity, the water inlet pipe comprises a water outlet section extending into the silencing cavity, and a plurality of water outlet holes are formed in the wall of the water outlet section; the water inlet pipe is used for being connected with the outlet end of the water pump.
2. The muffler of claim 1, wherein the outlet section includes a side wall and an end wall, and the plurality of outlet holes are formed in the side wall; alternatively, the first and second electrodes may be,
the water outlet section is provided with a pipe orifice, and the water inlet pipe also comprises a sealing cover for sealing the pipe orifice of the water outlet section.
3. The muffler of claim 2, wherein the water outlet section is a bellows.
4. The muffler of claim 1, wherein the housing further has a mounting opening through which the inlet pipe extends into the sound-deadening chamber.
5. The muffler of claim 4, wherein the water outlet and the mounting port are disposed at opposite ends of the housing, respectively.
6. The muffler of claim 5, wherein the housing includes a side housing wall and first and second end housing walls disposed at opposite ends of the side housing wall, respectively, the water outlet being disposed in the first end housing wall and the mounting port being disposed in the second end housing wall.
7. The muffler of claim 6, wherein the housing further comprises a mounting port connected to a periphery of the mounting port, and wherein an outer peripheral surface of the inlet pipe is sealingly connected to an inner wall surface of the mounting port.
8. The muffler of claim 7, wherein the cross-sectional area of the water outlet section is less than the cross-sectional area of the sound-attenuating chamber.
9. The muffler of any one of claims 1-8, wherein the diameter or equivalent diameter of the muffling cavity is greater than or equal to 30 millimeters and less than or equal to 100 millimeters; and/or the presence of a gas in the gas,
the diameter or equivalent diameter of the water outlet section is greater than or equal to 10 mm and less than or equal to 16 mm.
10. The muffler of any one of claims 1-8, wherein the diameter or equivalent diameter of the outlet orifice is greater than or equal to 2 millimeters and less than or equal to 6 millimeters.
11. The muffler of claim 1, further comprising sound dampening disposed in the sound-attenuating chamber.
12. A water pump assembly, characterized in that the water pump assembly comprises a water pump and a silencer according to any of claims 1-11.
13. A heating device, characterized in that the heating device comprises a water pump assembly according to claim 12.
14. A heating device as claimed in claim 13, wherein the heating device is a water heater or a wall-mounted stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120274184.6U CN214274066U (en) | 2021-01-29 | 2021-01-29 | Silencer, water pump assembly and heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120274184.6U CN214274066U (en) | 2021-01-29 | 2021-01-29 | Silencer, water pump assembly and heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274066U true CN214274066U (en) | 2021-09-24 |
Family
ID=77770587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120274184.6U Active CN214274066U (en) | 2021-01-29 | 2021-01-29 | Silencer, water pump assembly and heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274066U (en) |
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2021
- 2021-01-29 CN CN202120274184.6U patent/CN214274066U/en active Active
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